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b/toolkit/components/pdfjs/content/web/cmaps/WP-Symbol.bcmap diff --git a/toolkit/components/pdfjs/content/web/debugger.css b/toolkit/components/pdfjs/content/web/debugger.css new file mode 100644 index 0000000000..b9d9f81906 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/debugger.css @@ -0,0 +1,111 @@ +/* Copyright 2014 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +:root { + --panel-width: 300px; +} + +#PDFBug, +#PDFBug :is(input, button, select) { + font: message-box; +} +#PDFBug { + background-color: rgb(255 255 255); + border: 1px solid rgb(102 102 102); + position: fixed; + top: 32px; + right: 0; + bottom: 0; + font-size: 10px; + padding: 0; + width: var(--panel-width); +} +#PDFBug .controls { + background: rgb(238 238 238); + border-bottom: 1px solid rgb(102 102 102); + padding: 3px; +} +#PDFBug .panels { + inset: 27px 0 0; + overflow: auto; + position: absolute; +} +#PDFBug .panels > div { + padding: 5px; +} +#PDFBug button.active { + font-weight: bold; +} +.debuggerShowText, +.debuggerHideText:hover { + background-color: rgb(255 255 0 / 0.25); +} +#PDFBug .stats { + font-family: courier; + font-size: 10px; + white-space: pre; +} +#PDFBug .stats .title { + font-weight: bold; +} +#PDFBug table { + font-size: 10px; + white-space: pre; +} +#PDFBug table.showText { + border-collapse: collapse; + text-align: center; +} +#PDFBug table.showText, +#PDFBug table.showText :is(tr, td) { + border: 1px solid black; + padding: 1px; +} +#PDFBug table.showText td.advance { + color: grey; +} + +#viewer.textLayer-visible .textLayer { + opacity: 1; +} + +#viewer.textLayer-visible .canvasWrapper { + background-color: rgb(128 255 128); +} + +#viewer.textLayer-visible .canvasWrapper canvas { + mix-blend-mode: screen; +} + +#viewer.textLayer-visible .textLayer span { + background-color: rgb(255 255 0 / 0.1); + color: rgb(0 0 0); + border: solid 1px rgb(255 0 0 / 0.5); + box-sizing: border-box; +} + +#viewer.textLayer-visible .textLayer span[aria-owns] { + background-color: rgb(255 0 0 / 0.3); +} + +#viewer.textLayer-hover .textLayer span:hover { + background-color: rgb(255 255 255); + color: rgb(0 0 0); +} + +#viewer.textLayer-shadow .textLayer span { + background-color: rgb(255 255 255 / 0.6); + color: rgb(0 0 0); +} diff --git a/toolkit/components/pdfjs/content/web/debugger.mjs b/toolkit/components/pdfjs/content/web/debugger.mjs new file mode 100644 index 0000000000..59c1871b3e --- /dev/null +++ b/toolkit/components/pdfjs/content/web/debugger.mjs @@ -0,0 +1,623 @@ +/* Copyright 2012 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +const { OPS } = globalThis.pdfjsLib || (await import("pdfjs-lib")); + +const opMap = Object.create(null); +for (const key in OPS) { + opMap[OPS[key]] = key; +} + +const FontInspector = (function FontInspectorClosure() { + let fonts; + let active = false; + const fontAttribute = "data-font-name"; + function removeSelection() { + const divs = document.querySelectorAll(`span[${fontAttribute}]`); + for (const div of divs) { + div.className = ""; + } + } + function resetSelection() { + const divs = document.querySelectorAll(`span[${fontAttribute}]`); + for (const div of divs) { + div.className = "debuggerHideText"; + } + } + function selectFont(fontName, show) { + const divs = document.querySelectorAll( + `span[${fontAttribute}=${fontName}]` + ); + for (const div of divs) { + div.className = show ? "debuggerShowText" : "debuggerHideText"; + } + } + function textLayerClick(e) { + if ( + !e.target.dataset.fontName || + e.target.tagName.toUpperCase() !== "SPAN" + ) { + return; + } + const fontName = e.target.dataset.fontName; + const selects = document.getElementsByTagName("input"); + for (const select of selects) { + if (select.dataset.fontName !== fontName) { + continue; + } + select.checked = !select.checked; + selectFont(fontName, select.checked); + select.scrollIntoView(); + } + } + return { + // Properties/functions needed by PDFBug. + id: "FontInspector", + name: "Font Inspector", + panel: null, + manager: null, + init() { + const panel = this.panel; + const tmp = document.createElement("button"); + tmp.addEventListener("click", resetSelection); + tmp.textContent = "Refresh"; + panel.append(tmp); + + fonts = document.createElement("div"); + panel.append(fonts); + }, + cleanup() { + fonts.textContent = ""; + }, + enabled: false, + get active() { + return active; + }, + set active(value) { + active = value; + if (active) { + document.body.addEventListener("click", textLayerClick, true); + resetSelection(); + } else { + document.body.removeEventListener("click", textLayerClick, true); + removeSelection(); + } + }, + // FontInspector specific functions. + fontAdded(fontObj, url) { + function properties(obj, list) { + const moreInfo = document.createElement("table"); + for (const entry of list) { + const tr = document.createElement("tr"); + const td1 = document.createElement("td"); + td1.textContent = entry; + tr.append(td1); + const td2 = document.createElement("td"); + td2.textContent = obj[entry].toString(); + tr.append(td2); + moreInfo.append(tr); + } + return moreInfo; + } + + const moreInfo = fontObj.css + ? properties(fontObj, ["baseFontName"]) + : properties(fontObj, ["name", "type"]); + + const fontName = fontObj.loadedName; + const font = document.createElement("div"); + const name = document.createElement("span"); + name.textContent = fontName; + let download; + if (!fontObj.css) { + download = document.createElement("a"); + if (url) { + url = /url\(['"]?([^)"']+)/.exec(url); + download.href = url[1]; + } else if (fontObj.data) { + download.href = URL.createObjectURL( + new Blob([fontObj.data], { type: fontObj.mimetype }) + ); + } + download.textContent = "Download"; + } + + const logIt = document.createElement("a"); + logIt.href = ""; + logIt.textContent = "Log"; + logIt.addEventListener("click", function (event) { + event.preventDefault(); + console.log(fontObj); + }); + const select = document.createElement("input"); + select.setAttribute("type", "checkbox"); + select.dataset.fontName = fontName; + select.addEventListener("click", function () { + selectFont(fontName, select.checked); + }); + if (download) { + font.append(select, name, " ", download, " ", logIt, moreInfo); + } else { + font.append(select, name, " ", logIt, moreInfo); + } + fonts.append(font); + // Somewhat of a hack, should probably add a hook for when the text layer + // is done rendering. + setTimeout(() => { + if (this.active) { + resetSelection(); + } + }, 2000); + }, + }; +})(); + +// Manages all the page steppers. +const StepperManager = (function StepperManagerClosure() { + let steppers = []; + let stepperDiv = null; + let stepperControls = null; + let stepperChooser = null; + let breakPoints = Object.create(null); + return { + // Properties/functions needed by PDFBug. + id: "Stepper", + name: "Stepper", + panel: null, + manager: null, + init() { + const self = this; + stepperControls = document.createElement("div"); + stepperChooser = document.createElement("select"); + stepperChooser.addEventListener("change", function (event) { + self.selectStepper(this.value); + }); + stepperControls.append(stepperChooser); + stepperDiv = document.createElement("div"); + this.panel.append(stepperControls, stepperDiv); + if (sessionStorage.getItem("pdfjsBreakPoints")) { + breakPoints = JSON.parse(sessionStorage.getItem("pdfjsBreakPoints")); + } + }, + cleanup() { + stepperChooser.textContent = ""; + stepperDiv.textContent = ""; + steppers = []; + }, + enabled: false, + active: false, + // Stepper specific functions. + create(pageIndex) { + const debug = document.createElement("div"); + debug.id = "stepper" + pageIndex; + debug.hidden = true; + debug.className = "stepper"; + stepperDiv.append(debug); + const b = document.createElement("option"); + b.textContent = "Page " + (pageIndex + 1); + b.value = pageIndex; + stepperChooser.append(b); + const initBreakPoints = breakPoints[pageIndex] || []; + const stepper = new Stepper(debug, pageIndex, initBreakPoints); + steppers.push(stepper); + if (steppers.length === 1) { + this.selectStepper(pageIndex, false); + } + return stepper; + }, + selectStepper(pageIndex, selectPanel) { + pageIndex |= 0; + if (selectPanel) { + this.manager.selectPanel(this); + } + for (const stepper of steppers) { + stepper.panel.hidden = stepper.pageIndex !== pageIndex; + } + for (const option of stepperChooser.options) { + option.selected = (option.value | 0) === pageIndex; + } + }, + saveBreakPoints(pageIndex, bps) { + breakPoints[pageIndex] = bps; + sessionStorage.setItem("pdfjsBreakPoints", JSON.stringify(breakPoints)); + }, + }; +})(); + +// The stepper for each page's operatorList. +class Stepper { + // Shorter way to create element and optionally set textContent. + #c(tag, textContent) { + const d = document.createElement(tag); + if (textContent) { + d.textContent = textContent; + } + return d; + } + + #simplifyArgs(args) { + if (typeof args === "string") { + const MAX_STRING_LENGTH = 75; + return args.length <= MAX_STRING_LENGTH + ? args + : args.substring(0, MAX_STRING_LENGTH) + "..."; + } + if (typeof args !== "object" || args === null) { + return args; + } + if ("length" in args) { + // array + const MAX_ITEMS = 10, + simpleArgs = []; + let i, ii; + for (i = 0, ii = Math.min(MAX_ITEMS, args.length); i < ii; i++) { + simpleArgs.push(this.#simplifyArgs(args[i])); + } + if (i < args.length) { + simpleArgs.push("..."); + } + return simpleArgs; + } + const simpleObj = {}; + for (const key in args) { + simpleObj[key] = this.#simplifyArgs(args[key]); + } + return simpleObj; + } + + constructor(panel, pageIndex, initialBreakPoints) { + this.panel = panel; + this.breakPoint = 0; + this.nextBreakPoint = null; + this.pageIndex = pageIndex; + this.breakPoints = initialBreakPoints; + this.currentIdx = -1; + this.operatorListIdx = 0; + this.indentLevel = 0; + } + + init(operatorList) { + const panel = this.panel; + const content = this.#c("div", "c=continue, s=step"); + const table = this.#c("table"); + content.append(table); + table.cellSpacing = 0; + const headerRow = this.#c("tr"); + table.append(headerRow); + headerRow.append( + this.#c("th", "Break"), + this.#c("th", "Idx"), + this.#c("th", "fn"), + this.#c("th", "args") + ); + panel.append(content); + this.table = table; + this.updateOperatorList(operatorList); + } + + updateOperatorList(operatorList) { + const self = this; + + function cboxOnClick() { + const x = +this.dataset.idx; + if (this.checked) { + self.breakPoints.push(x); + } else { + self.breakPoints.splice(self.breakPoints.indexOf(x), 1); + } + StepperManager.saveBreakPoints(self.pageIndex, self.breakPoints); + } + + const MAX_OPERATORS_COUNT = 15000; + if (this.operatorListIdx > MAX_OPERATORS_COUNT) { + return; + } + + const chunk = document.createDocumentFragment(); + const operatorsToDisplay = Math.min( + MAX_OPERATORS_COUNT, + operatorList.fnArray.length + ); + for (let i = this.operatorListIdx; i < operatorsToDisplay; i++) { + const line = this.#c("tr"); + line.className = "line"; + line.dataset.idx = i; + chunk.append(line); + const checked = this.breakPoints.includes(i); + const args = operatorList.argsArray[i] || []; + + const breakCell = this.#c("td"); + const cbox = this.#c("input"); + cbox.type = "checkbox"; + cbox.className = "points"; + cbox.checked = checked; + cbox.dataset.idx = i; + cbox.onclick = cboxOnClick; + + breakCell.append(cbox); + line.append(breakCell, this.#c("td", i.toString())); + const fn = opMap[operatorList.fnArray[i]]; + let decArgs = args; + if (fn === "showText") { + const glyphs = args[0]; + const charCodeRow = this.#c("tr"); + const fontCharRow = this.#c("tr"); + const unicodeRow = this.#c("tr"); + for (const glyph of glyphs) { + if (typeof glyph === "object" && glyph !== null) { + charCodeRow.append(this.#c("td", glyph.originalCharCode)); + fontCharRow.append(this.#c("td", glyph.fontChar)); + unicodeRow.append(this.#c("td", glyph.unicode)); + } else { + // null or number + const advanceEl = this.#c("td", glyph); + advanceEl.classList.add("advance"); + charCodeRow.append(advanceEl); + fontCharRow.append(this.#c("td")); + unicodeRow.append(this.#c("td")); + } + } + decArgs = this.#c("td"); + const table = this.#c("table"); + table.classList.add("showText"); + decArgs.append(table); + table.append(charCodeRow, fontCharRow, unicodeRow); + } else if (fn === "restore" && this.indentLevel > 0) { + this.indentLevel--; + } + line.append(this.#c("td", " ".repeat(this.indentLevel * 2) + fn)); + if (fn === "save") { + this.indentLevel++; + } + + if (decArgs instanceof HTMLElement) { + line.append(decArgs); + } else { + line.append(this.#c("td", JSON.stringify(this.#simplifyArgs(decArgs)))); + } + } + if (operatorsToDisplay < operatorList.fnArray.length) { + const lastCell = this.#c("td", "..."); + lastCell.colspan = 4; + chunk.append(lastCell); + } + this.operatorListIdx = operatorList.fnArray.length; + this.table.append(chunk); + } + + getNextBreakPoint() { + this.breakPoints.sort(function (a, b) { + return a - b; + }); + for (const breakPoint of this.breakPoints) { + if (breakPoint > this.currentIdx) { + return breakPoint; + } + } + return null; + } + + breakIt(idx, callback) { + StepperManager.selectStepper(this.pageIndex, true); + this.currentIdx = idx; + + const listener = evt => { + switch (evt.keyCode) { + case 83: // step + document.removeEventListener("keydown", listener); + this.nextBreakPoint = this.currentIdx + 1; + this.goTo(-1); + callback(); + break; + case 67: // continue + document.removeEventListener("keydown", listener); + this.nextBreakPoint = this.getNextBreakPoint(); + this.goTo(-1); + callback(); + break; + } + }; + document.addEventListener("keydown", listener); + this.goTo(idx); + } + + goTo(idx) { + const allRows = this.panel.getElementsByClassName("line"); + for (const row of allRows) { + if ((row.dataset.idx | 0) === idx) { + row.style.backgroundColor = "rgb(251,250,207)"; + row.scrollIntoView(); + } else { + row.style.backgroundColor = null; + } + } + } +} + +const Stats = (function Stats() { + let stats = []; + function clear(node) { + node.textContent = ""; // Remove any `node` contents from the DOM. + } + function getStatIndex(pageNumber) { + for (const [i, stat] of stats.entries()) { + if (stat.pageNumber === pageNumber) { + return i; + } + } + return false; + } + return { + // Properties/functions needed by PDFBug. + id: "Stats", + name: "Stats", + panel: null, + manager: null, + init() {}, + enabled: false, + active: false, + // Stats specific functions. + add(pageNumber, stat) { + if (!stat) { + return; + } + const statsIndex = getStatIndex(pageNumber); + if (statsIndex !== false) { + stats[statsIndex].div.remove(); + stats.splice(statsIndex, 1); + } + const wrapper = document.createElement("div"); + wrapper.className = "stats"; + const title = document.createElement("div"); + title.className = "title"; + title.textContent = "Page: " + pageNumber; + const statsDiv = document.createElement("div"); + statsDiv.textContent = stat.toString(); + wrapper.append(title, statsDiv); + stats.push({ pageNumber, div: wrapper }); + stats.sort(function (a, b) { + return a.pageNumber - b.pageNumber; + }); + clear(this.panel); + for (const entry of stats) { + this.panel.append(entry.div); + } + }, + cleanup() { + stats = []; + clear(this.panel); + }, + }; +})(); + +// Manages all the debugging tools. +class PDFBug { + static #buttons = []; + + static #activePanel = null; + + static tools = [FontInspector, StepperManager, Stats]; + + static enable(ids) { + const all = ids.length === 1 && ids[0] === "all"; + const tools = this.tools; + for (const tool of tools) { + if (all || ids.includes(tool.id)) { + tool.enabled = true; + } + } + if (!all) { + // Sort the tools by the order they are enabled. + tools.sort(function (a, b) { + let indexA = ids.indexOf(a.id); + indexA = indexA < 0 ? tools.length : indexA; + let indexB = ids.indexOf(b.id); + indexB = indexB < 0 ? tools.length : indexB; + return indexA - indexB; + }); + } + } + + static init(container, ids) { + this.loadCSS(); + this.enable(ids); + /* + * Basic Layout: + * PDFBug + * Controls + * Panels + * Panel + * Panel + * ... + */ + const ui = document.createElement("div"); + ui.id = "PDFBug"; + + const controls = document.createElement("div"); + controls.setAttribute("class", "controls"); + ui.append(controls); + + const panels = document.createElement("div"); + panels.setAttribute("class", "panels"); + ui.append(panels); + + container.append(ui); + container.style.right = "var(--panel-width)"; + + // Initialize all the debugging tools. + for (const tool of this.tools) { + const panel = document.createElement("div"); + const panelButton = document.createElement("button"); + panelButton.textContent = tool.name; + panelButton.addEventListener("click", event => { + event.preventDefault(); + this.selectPanel(tool); + }); + controls.append(panelButton); + panels.append(panel); + tool.panel = panel; + tool.manager = this; + if (tool.enabled) { + tool.init(); + } else { + panel.textContent = + `${tool.name} is disabled. To enable add "${tool.id}" to ` + + "the pdfBug parameter and refresh (separate multiple by commas)."; + } + this.#buttons.push(panelButton); + } + this.selectPanel(0); + } + + static loadCSS() { + const { url } = import.meta; + + const link = document.createElement("link"); + link.rel = "stylesheet"; + link.href = url.replace(/\.mjs$/, ".css"); + + document.head.append(link); + } + + static cleanup() { + for (const tool of this.tools) { + if (tool.enabled) { + tool.cleanup(); + } + } + } + + static selectPanel(index) { + if (typeof index !== "number") { + index = this.tools.indexOf(index); + } + if (index === this.#activePanel) { + return; + } + this.#activePanel = index; + for (const [j, tool] of this.tools.entries()) { + const isActive = j === index; + this.#buttons[j].classList.toggle("active", isActive); + tool.active = isActive; + tool.panel.hidden = !isActive; + } + } +} + +globalThis.FontInspector = FontInspector; +globalThis.StepperManager = StepperManager; +globalThis.Stats = Stats; + +export { PDFBug }; diff --git a/toolkit/components/pdfjs/content/web/images/altText_add.svg b/toolkit/components/pdfjs/content/web/images/altText_add.svg new file mode 100644 index 0000000000..3451b536ce --- /dev/null +++ b/toolkit/components/pdfjs/content/web/images/altText_add.svg @@ -0,0 +1,3 @@ +<svg width="12" height="13" viewBox="0 0 12 13" fill="none" xmlns="http://www.w3.org/2000/svg"> + <path d="M5.375 7.625V11.875C5.375 12.0408 5.44085 12.1997 5.55806 12.3169C5.67527 12.4342 5.83424 12.5 6 12.5C6.16576 12.5 6.32473 12.4342 6.44194 12.3169C6.55915 12.1997 6.625 12.0408 6.625 11.875V7.625L7.125 7.125H11.375C11.5408 7.125 11.6997 7.05915 11.8169 6.94194C11.9342 6.82473 12 6.66576 12 6.5C12 6.33424 11.9342 6.17527 11.8169 6.05806C11.6997 5.94085 11.5408 5.875 11.375 5.875H7.125L6.625 5.375V1.125C6.625 0.95924 6.55915 0.800269 6.44194 0.683058C6.32473 0.565848 6.16576 0.5 6 0.5C5.83424 0.5 5.67527 0.565848 5.55806 0.683058C5.44085 0.800269 5.375 0.95924 5.375 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xmlns="http://www.w3.org/2000/svg" + width="40" + height="40" + viewBox="0 0 40 40"> + <path + d="M 1.5006714,23.536225 6.8925879,18.994244 14.585721,26.037937 34.019683,4.5410479 38.499329,9.2235032 14.585721,35.458952 z" + id="path4" + style="fill:#ffff00;fill-opacity:1;stroke:#000000;stroke-width:1.25402856;stroke-opacity:1" /> +</svg> diff --git a/toolkit/components/pdfjs/content/web/images/annotation-comment.svg b/toolkit/components/pdfjs/content/web/images/annotation-comment.svg new file mode 100644 index 0000000000..86f1f17249 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/images/annotation-comment.svg @@ -0,0 +1,16 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<svg + xmlns="http://www.w3.org/2000/svg" + height="40" + width="40" + viewBox="0 0 40 40"> + <rect + style="fill:#ffff00;fill-opacity:1;fill-rule:evenodd;stroke:#000000;stroke-width:1;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none" + width="33.76017" + height="33.76017" + x="3.119915" 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All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/toolkit/components/pdfjs/content/web/standard_fonts/LICENSE_LIBERATION b/toolkit/components/pdfjs/content/web/standard_fonts/LICENSE_LIBERATION new file mode 100644 index 0000000000..aba73e8a40 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/standard_fonts/LICENSE_LIBERATION @@ -0,0 +1,102 @@ +Digitized data copyright (c) 2010 Google Corporation + with Reserved Font Arimo, Tinos and Cousine. +Copyright (c) 2012 Red Hat, Inc. + with Reserved Font Name Liberation. + +This Font Software is licensed under the SIL Open Font License, +Version 1.1. + +This license is copied below, and is also available with a FAQ at: +http://scripts.sil.org/OFL + +SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007 + +PREAMBLE The goals of the Open Font License (OFL) are to stimulate +worldwide development of collaborative font projects, to support the font +creation efforts of academic and linguistic communities, and to provide +a free and open framework in which fonts may be shared and improved in +partnership with others. + +The OFL allows the licensed fonts to be used, studied, modified and +redistributed freely as long as they are not sold by themselves. +The fonts, including any derivative works, can be bundled, embedded, +redistributed and/or sold with any software provided that any reserved +names are not used by derivative works. The fonts and derivatives, +however, cannot be released under any other type of license. The +requirement for fonts to remain under this license does not apply to +any document created using the fonts or their derivatives. + + + +DEFINITIONS +"Font Software" refers to the set of files released by the Copyright +Holder(s) under this license and clearly marked as such. +This may include source files, build scripts and documentation. + +"Reserved Font Name" refers to any names specified as such after the +copyright statement(s). + +"Original Version" refers to the collection of Font Software components +as distributed by the Copyright Holder(s). + +"Modified Version" refers to any derivative made by adding to, deleting, +or substituting ? in part or in whole ? +any of the components of the Original Version, by changing formats or +by porting the Font Software to a new environment. + +"Author" refers to any designer, engineer, programmer, technical writer +or other person who contributed to the Font Software. + + +PERMISSION & CONDITIONS + +Permission is hereby granted, free of charge, to any person obtaining a +copy of the Font Software, to use, study, copy, merge, embed, modify, +redistribute, and sell modified and unmodified copies of the Font +Software, subject to the following conditions: + +1) Neither the Font Software nor any of its individual components,in + Original or Modified Versions, may be sold by itself. + +2) Original or Modified Versions of the Font Software may be bundled, + redistributed and/or sold with any software, provided that each copy + contains the above copyright notice and this license. These can be + included either as stand-alone text files, human-readable headers or + in the appropriate machine-readable metadata fields within text or + binary files as long as those fields can be easily viewed by the user. + +3) No Modified Version of the Font Software may use the Reserved Font + Name(s) unless explicit written permission is granted by the + corresponding Copyright Holder. This restriction only applies to the + primary font name as presented to the users. + +4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font + Software shall not be used to promote, endorse or advertise any + Modified Version, except to acknowledge the contribution(s) of the + Copyright Holder(s) and the Author(s) or with their explicit written + permission. + +5) The Font Software, modified or unmodified, in part or in whole, must + be distributed entirely under this license, and must not be distributed + under any other license. The requirement for fonts to remain under + this license does not apply to any document created using the Font + Software. + + + +TERMINATION +This license becomes null and void if any of the above conditions are not met. + + + +DISCLAIMER +THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF +MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT +OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE +COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, +INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL +DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING +FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER +DEALINGS IN THE FONT SOFTWARE. + diff --git a/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Bold.ttf b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Bold.ttf Binary files differnew file mode 100644 index 0000000000..ee23715404 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Bold.ttf diff --git a/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-BoldItalic.ttf b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-BoldItalic.ttf Binary files differnew file mode 100644 index 0000000000..42b5717ddb --- /dev/null +++ b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-BoldItalic.ttf diff --git a/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Italic.ttf b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Italic.ttf Binary files differnew file mode 100644 index 0000000000..0cf6126349 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Italic.ttf diff --git a/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Regular.ttf b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Regular.ttf Binary files differnew file mode 100644 index 0000000000..366d1489cd --- /dev/null +++ b/toolkit/components/pdfjs/content/web/standard_fonts/LiberationSans-Regular.ttf diff --git a/toolkit/components/pdfjs/content/web/viewer-geckoview.css b/toolkit/components/pdfjs/content/web/viewer-geckoview.css new file mode 100644 index 0000000000..16e27e4eac --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer-geckoview.css @@ -0,0 +1,1261 @@ +/* Copyright 2014 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +.textLayer{ + position:absolute; + text-align:initial; + inset:0; + overflow:hidden; + opacity:1; + line-height:1; + text-size-adjust:none; + forced-color-adjust:none; + transform-origin:0 0; + z-index:2; + caret-color:CanvasText; + + &.highlighting{ + touch-action:none; + } + + :is(span, br){ + color:transparent; + position:absolute; + white-space:pre; + cursor:text; + transform-origin:0% 0%; + } + + .highlight{ + --highlight-bg-color:rgb(180 0 170 / 0.25); + --highlight-selected-bg-color:rgb(0 100 0 / 0.25); + --highlight-backdrop-filter:none; + --highlight-selected-backdrop-filter:none; + + @media screen and (forced-colors: active){ + --highlight-bg-color:transparent; + --highlight-selected-bg-color:transparent; + --highlight-backdrop-filter:var(--hcm-highlight-filter); + --highlight-selected-backdrop-filter:var( + --hcm-highlight-selected-filter + ); + } + + margin:-1px; + padding:1px; + background-color:var(--highlight-bg-color); + backdrop-filter:var(--highlight-backdrop-filter); + border-radius:4px; + + &.appended{ + position:initial; + } + + &.begin{ + border-radius:4px 0 0 4px; + } + + &.end{ + border-radius:0 4px 4px 0; + } + + &.middle{ + border-radius:0; + } + + &.selected{ + background-color:var(--highlight-selected-bg-color); + backdrop-filter:var(--highlight-selected-backdrop-filter); + } + } + + ::selection{ + background:color-mix(in srgb, AccentColor, transparent 75%); + } + + .endOfContent{ + display:block; + position:absolute; + inset:100% 0 0; + z-index:-1; + cursor:default; + user-select:none; + + &.active{ + top:0; + } + } +} + +.annotationLayer{ + --annotation-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>"); + --input-focus-border-color:Highlight; + --input-focus-outline:1px solid Canvas; + --input-unfocused-border-color:transparent; + --input-disabled-border-color:transparent; + --input-hover-border-color:black; + --link-outline:none; + + @media screen and (forced-colors: active){ + --input-focus-border-color:CanvasText; + --input-unfocused-border-color:ActiveText; + --input-disabled-border-color:GrayText; + --input-hover-border-color:Highlight; + --link-outline:1.5px solid LinkText; + + .textWidgetAnnotation :is(input, textarea):required, + .choiceWidgetAnnotation select:required, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:required{ + outline:1.5px solid selectedItem; + } + + .linkAnnotation{ + outline:var(--link-outline); + + &:hover{ + backdrop-filter:var(--hcm-highlight-filter); + } + + & > a:hover{ + opacity:0 !important; + background:none !important; + box-shadow:none; + } + } + + .popupAnnotation .popup{ + outline:calc(1.5px * var(--scale-factor)) solid CanvasText !important; + background-color:ButtonFace !important; + color:ButtonText !important; + } + + .highlightArea:hover::after{ + position:absolute; + top:0; + left:0; + width:100%; + height:100%; + backdrop-filter:var(--hcm-highlight-filter); + content:""; + pointer-events:none; + } + + .popupAnnotation.focused .popup{ + outline:calc(3px * var(--scale-factor)) solid Highlight !important; + } + } + + position:absolute; + top:0; + left:0; + pointer-events:none; + transform-origin:0 0; + z-index:3; + + &[data-main-rotation="90"] .norotate{ + transform:rotate(270deg) translateX(-100%); + } + &[data-main-rotation="180"] .norotate{ + transform:rotate(180deg) translate(-100%, -100%); + } + &[data-main-rotation="270"] .norotate{ + transform:rotate(90deg) translateY(-100%); + } + + &.disabled{ + section, + .popup{ + pointer-events:none; + } + } + + canvas{ + position:absolute; + width:100%; + height:100%; + pointer-events:none; + } + + section{ + position:absolute; + text-align:initial; + pointer-events:auto; + box-sizing:border-box; + transform-origin:0 0; + } + + :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton) > a{ + position:absolute; + font-size:1em; + top:0; + left:0; + width:100%; + height:100%; + } + + :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton):not(.hasBorder) + > a:hover{ + opacity:0.2; + background-color:rgb(255 255 0); + box-shadow:0 2px 10px rgb(255 255 0); + } + + .linkAnnotation.hasBorder:hover{ + background-color:rgb(255 255 0 / 0.2); + } + + .hasBorder{ + background-size:100% 100%; + } + + .textAnnotation img{ + position:absolute; + cursor:pointer; + width:100%; + height:100%; + top:0; + left:0; + } + + .textWidgetAnnotation :is(input, textarea), + .choiceWidgetAnnotation select, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input{ + background-image:var(--annotation-unfocused-field-background); + border:2px solid var(--input-unfocused-border-color); + box-sizing:border-box; + font:calc(9px * var(--scale-factor)) sans-serif; + height:100%; + margin:0; + vertical-align:top; + width:100%; + } + + .textWidgetAnnotation :is(input, textarea):required, + .choiceWidgetAnnotation select:required, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:required{ + outline:1.5px solid red; + } + + .choiceWidgetAnnotation select option{ + padding:0; + } + + .buttonWidgetAnnotation.radioButton input{ + border-radius:50%; + } + + .textWidgetAnnotation textarea{ + resize:none; + } + + .textWidgetAnnotation :is(input, textarea)[disabled], + .choiceWidgetAnnotation select[disabled], + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input[disabled]{ + background:none; + border:2px solid var(--input-disabled-border-color); + cursor:not-allowed; + } + + .textWidgetAnnotation :is(input, textarea):hover, + .choiceWidgetAnnotation select:hover, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:hover{ + border:2px solid var(--input-hover-border-color); + } + .textWidgetAnnotation :is(input, textarea):hover, + .choiceWidgetAnnotation select:hover, + .buttonWidgetAnnotation.checkBox input:hover{ + border-radius:2px; + } + + .textWidgetAnnotation :is(input, textarea):focus, + .choiceWidgetAnnotation select:focus{ + background:none; + border:2px solid var(--input-focus-border-color); + border-radius:2px; + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation:is(.checkBox, .radioButton) :focus{ + background-image:none; + background-color:transparent; + } + + .buttonWidgetAnnotation.checkBox :focus{ + border:2px solid var(--input-focus-border-color); + border-radius:2px; + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation.radioButton :focus{ + border:2px solid var(--input-focus-border-color); + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation.checkBox input:checked::before, + .buttonWidgetAnnotation.checkBox input:checked::after, + .buttonWidgetAnnotation.radioButton input:checked::before{ + background-color:CanvasText; + content:""; + display:block; + position:absolute; + } + + .buttonWidgetAnnotation.checkBox input:checked::before, + .buttonWidgetAnnotation.checkBox input:checked::after{ + height:80%; + left:45%; + width:1px; + } + + .buttonWidgetAnnotation.checkBox input:checked::before{ + transform:rotate(45deg); + } + + .buttonWidgetAnnotation.checkBox input:checked::after{ + transform:rotate(-45deg); + } + + .buttonWidgetAnnotation.radioButton input:checked::before{ + border-radius:50%; + height:50%; + left:25%; + top:25%; + width:50%; + } + + .textWidgetAnnotation input.comb{ + font-family:monospace; + padding-left:2px; + padding-right:0; + } + + .textWidgetAnnotation input.comb:focus{ + width:103%; + } + + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input{ + appearance:none; + } + + .fileAttachmentAnnotation .popupTriggerArea{ + height:100%; + width:100%; + } + + .popupAnnotation{ + position:absolute; + font-size:calc(9px * var(--scale-factor)); + pointer-events:none; + width:max-content; + max-width:45%; + height:auto; + } + + .popup{ + background-color:rgb(255 255 153); + box-shadow:0 calc(2px * var(--scale-factor)) calc(5px * var(--scale-factor)) rgb(136 136 136); + border-radius:calc(2px * var(--scale-factor)); + outline:1.5px solid rgb(255 255 74); + padding:calc(6px * var(--scale-factor)); + cursor:pointer; + font:message-box; + white-space:normal; + word-wrap:break-word; + pointer-events:auto; + } + + .popupAnnotation.focused .popup{ + outline-width:3px; + } + + .popup *{ + font-size:calc(9px * var(--scale-factor)); + } + + .popup > .header{ + display:inline-block; + } + + .popup > .header h1{ + display:inline; + } + + .popup > .header .popupDate{ + display:inline-block; + margin-left:calc(5px * var(--scale-factor)); + width:-moz-fit-content; + width:fit-content; + } + + .popupContent{ + border-top:1px solid rgb(51 51 51); + margin-top:calc(2px * var(--scale-factor)); + padding-top:calc(2px * var(--scale-factor)); + } + + .richText > *{ + white-space:pre-wrap; + font-size:calc(9px * var(--scale-factor)); + } + + .popupTriggerArea{ + cursor:pointer; + } + + section svg{ + position:absolute; + width:100%; + height:100%; + top:0; + left:0; + } + + .annotationTextContent{ + position:absolute; + width:100%; + height:100%; + opacity:0; + color:transparent; + user-select:none; + pointer-events:none; + + span{ + width:100%; + display:inline-block; + } + } + + svg.quadrilateralsContainer{ + contain:strict; + width:0; + height:0; + position:absolute; + top:0; + left:0; + z-index:-1; + } +} + +:root{ + --xfa-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>"); + --xfa-focus-outline:auto; +} + +@media screen and (forced-colors: active){ + :root{ + --xfa-focus-outline:2px solid CanvasText; + } + .xfaLayer *:required{ + outline:1.5px solid selectedItem; + } +} + +.xfaLayer{ + background-color:transparent; +} + +.xfaLayer .highlight{ + margin:-1px; + padding:1px; + background-color:rgb(239 203 237); + border-radius:4px; +} + +.xfaLayer .highlight.appended{ + position:initial; +} + +.xfaLayer .highlight.begin{ + border-radius:4px 0 0 4px; +} + +.xfaLayer .highlight.end{ + border-radius:0 4px 4px 0; +} + +.xfaLayer .highlight.middle{ + border-radius:0; +} + +.xfaLayer .highlight.selected{ + background-color:rgb(203 223 203); +} + +.xfaPage{ + overflow:hidden; + position:relative; +} + +.xfaContentarea{ + position:absolute; +} + +.xfaPrintOnly{ + display:none; +} + +.xfaLayer{ + position:absolute; + text-align:initial; + top:0; + left:0; + transform-origin:0 0; + line-height:1.2; +} + +.xfaLayer *{ + color:inherit; + font:inherit; + font-style:inherit; + font-weight:inherit; + font-kerning:inherit; + letter-spacing:-0.01px; + text-align:inherit; + text-decoration:inherit; + box-sizing:border-box; + background-color:transparent; + padding:0; + margin:0; + pointer-events:auto; + line-height:inherit; +} + +.xfaLayer *:required{ + outline:1.5px solid red; +} + +.xfaLayer div, +.xfaLayer svg, +.xfaLayer svg *{ + pointer-events:none; +} + +.xfaLayer a{ + color:blue; +} + +.xfaRich li{ + margin-left:3em; +} + +.xfaFont{ + color:black; + font-weight:normal; + font-kerning:none; + font-size:10px; + font-style:normal; + letter-spacing:0; + text-decoration:none; + vertical-align:0; +} + +.xfaCaption{ + overflow:hidden; + flex:0 0 auto; +} + +.xfaCaptionForCheckButton{ + overflow:hidden; + flex:1 1 auto; +} + +.xfaLabel{ + height:100%; + width:100%; +} + +.xfaLeft{ + display:flex; + flex-direction:row; + align-items:center; +} + +.xfaRight{ + display:flex; + flex-direction:row-reverse; + align-items:center; +} + +:is(.xfaLeft, .xfaRight) > :is(.xfaCaption, .xfaCaptionForCheckButton){ + max-height:100%; +} + +.xfaTop{ + display:flex; + flex-direction:column; + align-items:flex-start; +} + +.xfaBottom{ + display:flex; + flex-direction:column-reverse; + align-items:flex-start; +} + +:is(.xfaTop, .xfaBottom) > :is(.xfaCaption, .xfaCaptionForCheckButton){ + width:100%; +} + +.xfaBorder{ + background-color:transparent; + position:absolute; + pointer-events:none; +} + +.xfaWrapped{ + width:100%; + height:100%; +} + +:is(.xfaTextfield, .xfaSelect):focus{ + background-image:none; + background-color:transparent; + outline:var(--xfa-focus-outline); + outline-offset:-1px; +} + +:is(.xfaCheckbox, .xfaRadio):focus{ + outline:var(--xfa-focus-outline); +} + +.xfaTextfield, +.xfaSelect{ + height:100%; + width:100%; + flex:1 1 auto; + border:none; + resize:none; + background-image:var(--xfa-unfocused-field-background); +} + +.xfaSelect{ + padding-inline:2px; +} + +:is(.xfaTop, .xfaBottom) > :is(.xfaTextfield, .xfaSelect){ + flex:0 1 auto; +} + +.xfaButton{ + cursor:pointer; + width:100%; + height:100%; + border:none; + text-align:center; +} + +.xfaLink{ + width:100%; + height:100%; + position:absolute; + top:0; + left:0; +} + +.xfaCheckbox, +.xfaRadio{ + width:100%; + height:100%; + flex:0 0 auto; + border:none; +} + +.xfaRich{ + white-space:pre-wrap; + width:100%; + height:100%; +} + +.xfaImage{ + object-position:left top; + object-fit:contain; + width:100%; + height:100%; +} + +.xfaLrTb, +.xfaRlTb, +.xfaTb{ + display:flex; + flex-direction:column; + align-items:stretch; +} + +.xfaLr{ + display:flex; + flex-direction:row; + align-items:stretch; +} + +.xfaRl{ + display:flex; + flex-direction:row-reverse; + align-items:stretch; +} + +.xfaTb > div{ + justify-content:left; +} + +.xfaPosition{ + position:relative; +} + +.xfaArea{ + position:relative; +} + +.xfaValignMiddle{ + display:flex; + align-items:center; +} + +.xfaTable{ + display:flex; + flex-direction:column; + align-items:stretch; +} + +.xfaTable .xfaRow{ + display:flex; + flex-direction:row; + align-items:stretch; +} + +.xfaTable .xfaRlRow{ + display:flex; + flex-direction:row-reverse; + align-items:stretch; + flex:1; +} + +.xfaTable .xfaRlRow > div{ + flex:1; +} + +:is(.xfaNonInteractive, .xfaDisabled, .xfaReadOnly) :is(input, textarea){ + background:initial; +} + +@media print{ + .xfaTextfield, + .xfaSelect{ + background:transparent; + } + + .xfaSelect{ + appearance:none; + text-indent:1px; + text-overflow:""; + } +} + +:root{ + --viewer-container-height:0; + --pdfViewer-padding-bottom:0; + --page-margin:1px auto -8px; + --page-border:9px solid transparent; + --spreadHorizontalWrapped-margin-LR:-3.5px; + --loading-icon-delay:400ms; +} + +@media screen and (forced-colors: active){ + :root{ + --pdfViewer-padding-bottom:9px; + --page-margin:8px auto -1px; + --page-border:1px solid CanvasText; + --spreadHorizontalWrapped-margin-LR:3.5px; + } +} + +[data-main-rotation="90"]{ + transform:rotate(90deg) translateY(-100%); +} +[data-main-rotation="180"]{ + transform:rotate(180deg) translate(-100%, -100%); +} +[data-main-rotation="270"]{ + transform:rotate(270deg) translateX(-100%); +} + +#hiddenCopyElement, +.hiddenCanvasElement{ + position:absolute; + top:0; + left:0; + width:0; + height:0; + display:none; +} + +.pdfViewer{ + --scale-factor:1; + + padding-bottom:var(--pdfViewer-padding-bottom); + + --hcm-highlight-filter:none; + --hcm-highlight-selected-filter:none; + + @media screen and (forced-colors: active){ + --hcm-highlight-filter:invert(100%); + } +} + +.pdfViewer .canvasWrapper{ + overflow:hidden; + width:100%; + height:100%; + z-index:1; +} + +.pdfViewer .page{ + direction:ltr; + width:816px; + height:1056px; + margin:var(--page-margin); + position:relative; + overflow:visible; + border:var(--page-border); + background-clip:content-box; + background-color:rgb(255 255 255); +} + +.pdfViewer .dummyPage{ + position:relative; + width:0; + height:var(--viewer-container-height); +} + +.pdfViewer.noUserSelect{ + user-select:none; +} + +.pdfViewer:is(.scrollHorizontal, .scrollWrapped), +.spread{ + margin-inline:3.5px; + text-align:center; +} + +.pdfViewer.scrollHorizontal, +.spread{ + white-space:nowrap; +} + +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .spread{ + margin-inline:0; +} + +.spread :is(.page, .dummyPage), +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) :is(.page, .spread){ + display:inline-block; + vertical-align:middle; +} + +.spread .page, +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .page{ + margin-inline:var(--spreadHorizontalWrapped-margin-LR); +} + +.pdfViewer .page canvas{ + margin:0; + display:block; +} + +.pdfViewer .page canvas .structTree{ + contain:strict; +} + +.pdfViewer .page canvas[hidden]{ + display:none; +} + +.pdfViewer .page canvas[zooming]{ + width:100%; + height:100%; +} + +.pdfViewer .page.loadingIcon::after{ + position:absolute; + top:0; + left:0; + content:""; + width:100%; + height:100%; + background:url("images/loading-icon.gif") center no-repeat; + display:none; + transition-property:display; + transition-delay:var(--loading-icon-delay); + z-index:5; + contain:strict; +} + +.pdfViewer .page.loading::after{ + display:block; +} + +.pdfViewer .page:not(.loading)::after{ + transition-property:none; + display:none; +} + +.pdfPresentationMode .pdfViewer{ + padding-bottom:0; +} + +.pdfPresentationMode .spread{ + margin:0; +} + +.pdfPresentationMode .pdfViewer .page{ + margin:0 auto; + border:2px solid transparent; +} + +:root{ + --dir-factor:1; + --scale-select-width:140px; + + --toolbar-icon-opacity:1; + --doorhanger-icon-opacity:0.9; + + --main-color:rgb(12 12 13); + --body-bg-color:rgb(212 212 215); + --scrollbar-color:auto; + --scrollbar-bg-color:auto; + --field-color:rgb(6 6 6); + --field-bg-color:rgb(255 255 255); + --field-border-color:rgb(187 187 188); + --doorhanger-bg-color:rgb(255 255 255); + --dialog-button-border:none; + --dialog-button-bg-color:rgb(12 12 13 / 0.1); + --dialog-button-hover-bg-color:rgb(12 12 13 / 0.3); + + --toolbar-bg-color:#f9f9fb; + --toolbar-divider-color:#e0e0e6; + --toolbar-fg-color:#15141a; + + --toolbarButton-download-icon:url(images/gv-toolbarButton-download.svg); + --toolbarButton-openinapp-icon:url(images/gv-toolbarButton-openinapp.svg); +} + +:root:dir(rtl){ + --dir-factor:-1; +} + +@media (prefers-color-scheme: dark){ + :root{ + --main-color:rgb(249 249 250); + --body-bg-color:rgb(42 42 46); + --scrollbar-color:rgb(121 121 123); + --scrollbar-bg-color:rgb(35 35 39); + --field-color:rgb(250 250 250); + --field-bg-color:rgb(64 64 68); + --field-border-color:rgb(115 115 115); + --doorhanger-bg-color:rgb(74 74 79); + --dialog-button-bg-color:rgb(92 92 97); + --dialog-button-hover-bg-color:rgb(115 115 115); + + --toolbar-bg-color:#2b2a33; + --toolbar-divider-color:#5b5b66; + --toolbar-fg-color:#fbfbfe; + } +} + +@media screen and (forced-colors: active){ + :root{ + --dialog-button-border:1px solid Highlight; + --dialog-button-hover-bg-color:Highlight; + --dialog-button-hover-color:ButtonFace; + --field-border-color:ButtonText; + --main-color:CanvasText; + } +} + +*{ + padding:0; + margin:0; +} + +html, +body{ + height:100%; + width:100%; +} + +body{ + background-color:var(--body-bg-color); + scrollbar-color:var(--scrollbar-color) var(--scrollbar-bg-color); +} + +.hidden, +[hidden]{ + display:none !important; +} + +#outerContainer{ + width:100%; + height:100%; + position:relative; +} + +#mainContainer{ + position:absolute; + inset:0; + min-width:350px; +} + +#viewerContainer{ + overflow:auto; + position:absolute; + inset-block:41px 0; + inset-inline:0; + outline:none; +} + +#viewerContainer.noToolbar{ + inset-block-start:0; +} + +.dialogButton{ + border:none; + background:none; + width:28px; + height:28px; + outline:none; +} + +.dialogButton:is(:hover, :focus-visible){ + background-color:var(--dialog-button-hover-bg-color); +} + +.dialogButton:is(:hover, :focus-visible) > span{ + color:var(--dialog-button-hover-color); +} + +.dialogButton[disabled]{ + opacity:0.5; +} + +.dialogButton{ + min-width:16px; + margin:2px 1px; + padding:2px 6px 0; + border:none; + border-radius:2px; + color:var(--main-color); + font-size:12px; + line-height:14px; + user-select:none; + cursor:default; + box-sizing:border-box; +} + +.toolbarField{ + padding:4px 7px; + margin:3px 0; + border-radius:2px; + background-color:var(--field-bg-color); + background-clip:padding-box; + border:1px solid var(--field-border-color); + box-shadow:none; + color:var(--field-color); + font-size:12px; + line-height:16px; + outline:none; +} + +.toolbarField:focus{ + border-color:#0a84ff; +} + +#floatingToolbar{ + display:flex; + align-items:center; + position:absolute; + width:100%; + height:40px; + top:0; + left:0; + box-sizing:content-box; + border-block-end:solid 1px var(--toolbar-divider-color); + background-color:var(--toolbar-bg-color); +} + +#floatingToolbar.show{ + z-index:100000; + opacity:1; +} + +#floatingToolbar:not(show){ + z-index:-1; + opacity:0; +} + +.toolbarButton{ + display:flex; + align-items:center; + border-style:none; + user-select:none; + box-sizing:border-box; + background-color:transparent; + width:auto; + height:auto; + outline:none; + position:relative; +} + +.toolbarButton > span{ + color:var(--toolbar-fg-color); + width:auto; + height:auto; + overflow:hidden; +} + +:is(.toolbarButton .dialogButton)[disabled]{ + opacity:0.5; +} + +.toolbarButton::before{ + width:24px; + height:24px; + content:""; + background-color:var(--toolbar-fg-color); + mask-size:cover; + margin-inline:12px 8px; +} + +#download::before{ + mask-image:var(--toolbarButton-download-icon); +} + +#openInApp::before{ + mask-image:var(--toolbarButton-openinapp-icon); +} + +.dialogButton{ + width:auto; + margin:3px 4px 2px !important; + padding:2px 11px; + color:var(--main-color); + background-color:var(--dialog-button-bg-color); + border:var(--dialog-button-border) !important; +} + +dialog{ + margin:auto; + padding:15px; + border-spacing:4px; + color:var(--main-color); + font:message-box; + font-size:12px; + line-height:14px; + background-color:var(--doorhanger-bg-color); + border:1px solid rgb(0 0 0 / 0.5); + border-radius:4px; + box-shadow:0 1px 4px rgb(0 0 0 / 0.3); +} +dialog::backdrop{ + background-color:rgb(0 0 0 / 0.2); +} + +dialog > .row{ + display:table-row; +} + +dialog > .row > *{ + display:table-cell; +} + +dialog .toolbarField{ + margin:5px 0; +} + +dialog .separator{ + display:block; + margin:4px 0; + height:1px; + width:100%; + background-color:var(--separator-color); +} + +dialog .buttonRow{ + text-align:center; + vertical-align:middle; +} + +dialog :link{ + color:rgb(255 255 255); +} + +#passwordDialog{ + text-align:center; +} +#passwordDialog .toolbarField{ + width:200px; +} + +@page{ + margin:0; +} + +#printContainer{ + display:none; +} + +@media print{ + body{ + background:rgb(0 0 0 / 0) none; + } + body[data-pdfjsprinting] #outerContainer{ + display:none; + } + body[data-pdfjsprinting] #printContainer{ + display:block; + } + #printContainer{ + height:100%; + } + #printContainer > .printedPage{ + page-break-after:always; + page-break-inside:avoid; + height:100%; + width:100%; + + display:flex; + flex-direction:column; + justify-content:center; + align-items:center; + } + + #printContainer > .xfaPrintedPage .xfaPage{ + position:absolute; + } + + #printContainer > .xfaPrintedPage{ + page-break-after:always; + page-break-inside:avoid; + width:100%; + height:100%; + position:relative; + } + + #printContainer > .printedPage :is(canvas, img){ + max-width:100%; + max-height:100%; + + direction:ltr; + display:block; + } +} diff --git a/toolkit/components/pdfjs/content/web/viewer-geckoview.html b/toolkit/components/pdfjs/content/web/viewer-geckoview.html new file mode 100644 index 0000000000..1c0296a481 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer-geckoview.html @@ -0,0 +1,76 @@ +<!DOCTYPE html> +<!-- +Copyright 2012 Mozilla Foundation + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +Adobe CMap resources are covered by their own copyright but the same license: + + Copyright 1990-2015 Adobe Systems Incorporated. + +See https://github.com/adobe-type-tools/cmap-resources +--> +<html dir="ltr" mozdisallowselectionprint> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> + <title>PDF.js viewer</title> + +<!-- This snippet is used in the Firefox extension (included from viewer.html) --> +<script src="resource://pdf.js/build/pdf.mjs" type="module"></script> + + <link rel="stylesheet" href="resource://pdf.js/web/viewer.css"> + <link rel="localization" href="toolkit/pdfviewer/viewer.ftl"/> + + <script src="resource://pdf.js/web/viewer.mjs" type="module"></script> + + </head> + + <body tabindex="1"> + <div id="outerContainer"> + + <div id="mainContainer"> + + <div id="floatingToolbar"> + <button id="download" class="toolbarButton" title="Download" tabindex="31" data-l10n-id="pdfjs-download-button"> + <span data-l10n-id="pdfjs-download-button-label">Download</span> + </button> + <button id="openInApp" class="toolbarButton" title="Open in app" tabindex="32" data-l10n-id="pdfjs-open-in-app-button"> + <span data-l10n-id="pdfjs-open-in-app-button-label">Open in app</span> + </button> + </div> + + <div id="viewerContainer" tabindex="0"> + <div id="viewer" class="pdfViewer"></div> + </div> + </div> <!-- mainContainer --> + + <div id="dialogContainer"> + <dialog id="passwordDialog"> + <div class="row"> + <label for="password" id="passwordText" data-l10n-id="pdfjs-password-label">Enter the password to open this PDF file:</label> + </div> + <div class="row"> + <input type="password" id="password" class="toolbarField"> + </div> + <div class="buttonRow"> + <button id="passwordCancel" class="dialogButton"><span data-l10n-id="pdfjs-password-cancel-button">Cancel</span></button> + <button id="passwordSubmit" class="dialogButton"><span data-l10n-id="pdfjs-password-ok-button">OK</span></button> + </div> + </dialog> + </div> <!-- dialogContainer --> + + </div> <!-- outerContainer --> + <div id="printContainer"></div> + </body> +</html> diff --git a/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs b/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs new file mode 100644 index 0000000000..8ba8147a9f --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer-geckoview.mjs @@ -0,0 +1,9554 @@ +/** + * @licstart The following is the entire license notice for the + * JavaScript code in this page + * + * Copyright 2023 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * @licend The above is the entire license notice for the + * JavaScript code in this page + */ + +/******/ // The require scope +/******/ var __webpack_require__ = {}; +/******/ +/************************************************************************/ +/******/ /* webpack/runtime/define property getters */ +/******/ (() => { +/******/ // define getter functions for harmony exports +/******/ __webpack_require__.d = (exports, definition) => { +/******/ for(var key in definition) { +/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { +/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); +/******/ } +/******/ } +/******/ }; +/******/ })(); +/******/ +/******/ /* webpack/runtime/hasOwnProperty shorthand */ +/******/ (() => { +/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) +/******/ })(); +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; + +// EXPORTS +__webpack_require__.d(__webpack_exports__, { + PDFViewerApplication: () => (/* reexport */ PDFViewerApplication), + PDFViewerApplicationConstants: () => (/* binding */ AppConstants), + PDFViewerApplicationOptions: () => (/* reexport */ AppOptions) +}); + +;// CONCATENATED MODULE: ./web/ui_utils.js +const DEFAULT_SCALE_VALUE = "auto"; +const DEFAULT_SCALE = 1.0; +const DEFAULT_SCALE_DELTA = 1.1; +const MIN_SCALE = 0.1; +const MAX_SCALE = 10.0; +const UNKNOWN_SCALE = 0; +const MAX_AUTO_SCALE = 1.25; +const SCROLLBAR_PADDING = 40; +const VERTICAL_PADDING = 5; +const RenderingStates = { + INITIAL: 0, + RUNNING: 1, + PAUSED: 2, + FINISHED: 3 +}; +const PresentationModeState = { + UNKNOWN: 0, + NORMAL: 1, + CHANGING: 2, + FULLSCREEN: 3 +}; +const SidebarView = { + UNKNOWN: -1, + NONE: 0, + THUMBS: 1, + OUTLINE: 2, + ATTACHMENTS: 3, + LAYERS: 4 +}; +const TextLayerMode = { + DISABLE: 0, + ENABLE: 1, + ENABLE_PERMISSIONS: 2 +}; +const ScrollMode = { + UNKNOWN: -1, + VERTICAL: 0, + HORIZONTAL: 1, + WRAPPED: 2, + PAGE: 3 +}; +const SpreadMode = { + UNKNOWN: -1, + NONE: 0, + ODD: 1, + EVEN: 2 +}; +const CursorTool = { + SELECT: 0, + HAND: 1, + ZOOM: 2 +}; +const AutoPrintRegExp = /\bprint\s*\(/; +class OutputScale { + constructor() { + const pixelRatio = window.devicePixelRatio || 1; + this.sx = pixelRatio; + this.sy = pixelRatio; + } + get scaled() { + return this.sx !== 1 || this.sy !== 1; + } +} +function scrollIntoView(element, spot, scrollMatches = false) { + let parent = element.offsetParent; + if (!parent) { + console.error("offsetParent is not set -- cannot scroll"); + return; + } + let offsetY = element.offsetTop + element.clientTop; + let offsetX = element.offsetLeft + element.clientLeft; + while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) { + offsetY += parent.offsetTop; + offsetX += parent.offsetLeft; + parent = parent.offsetParent; + if (!parent) { + return; + } + } + if (spot) { + if (spot.top !== undefined) { + offsetY += spot.top; + } + if (spot.left !== undefined) { + offsetX += spot.left; + parent.scrollLeft = offsetX; + } + } + parent.scrollTop = offsetY; +} +function watchScroll(viewAreaElement, callback) { + const debounceScroll = function (evt) { + if (rAF) { + return; + } + rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { + rAF = null; + const currentX = viewAreaElement.scrollLeft; + const lastX = state.lastX; + if (currentX !== lastX) { + state.right = currentX > lastX; + } + state.lastX = currentX; + const currentY = viewAreaElement.scrollTop; + const lastY = state.lastY; + if (currentY !== lastY) { + state.down = currentY > lastY; + } + state.lastY = currentY; + callback(state); + }); + }; + const state = { + right: true, + down: true, + lastX: viewAreaElement.scrollLeft, + lastY: viewAreaElement.scrollTop, + _eventHandler: debounceScroll + }; + let rAF = null; + viewAreaElement.addEventListener("scroll", debounceScroll, true); + return state; +} +function parseQueryString(query) { + const params = new Map(); + for (const [key, value] of new URLSearchParams(query)) { + params.set(key.toLowerCase(), value); + } + return params; +} +const InvisibleCharsRegExp = /[\x00-\x1F]/g; +function removeNullCharacters(str, replaceInvisible = false) { + if (!InvisibleCharsRegExp.test(str)) { + return str; + } + if (replaceInvisible) { + return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " "); + } + return str.replaceAll("\x00", ""); +} +function binarySearchFirstItem(items, condition, start = 0) { + let minIndex = start; + let maxIndex = items.length - 1; + if (maxIndex < 0 || !condition(items[maxIndex])) { + return items.length; + } + if (condition(items[minIndex])) { + return minIndex; + } + while (minIndex < maxIndex) { + const currentIndex = minIndex + maxIndex >> 1; + const currentItem = items[currentIndex]; + if (condition(currentItem)) { + maxIndex = currentIndex; + } else { + minIndex = currentIndex + 1; + } + } + return minIndex; +} +function approximateFraction(x) { + if (Math.floor(x) === x) { + return [x, 1]; + } + const xinv = 1 / x; + const limit = 8; + if (xinv > limit) { + return [1, limit]; + } else if (Math.floor(xinv) === xinv) { + return [1, xinv]; + } + const x_ = x > 1 ? xinv : x; + let a = 0, + b = 1, + c = 1, + d = 1; + while (true) { + const p = a + c, + q = b + d; + if (q > limit) { + break; + } + if (x_ <= p / q) { + c = p; + d = q; + } else { + a = p; + b = q; + } + } + let result; + if (x_ - a / b < c / d - x_) { + result = x_ === x ? [a, b] : [b, a]; + } else { + result = x_ === x ? [c, d] : [d, c]; + } + return result; +} +function roundToDivide(x, div) { + const r = x % div; + return r === 0 ? x : Math.round(x - r + div); +} +function getPageSizeInches({ + view, + userUnit, + rotate +}) { + const [x1, y1, x2, y2] = view; + const changeOrientation = rotate % 180 !== 0; + const width = (x2 - x1) / 72 * userUnit; + const height = (y2 - y1) / 72 * userUnit; + return { + width: changeOrientation ? height : width, + height: changeOrientation ? width : height + }; +} +function backtrackBeforeAllVisibleElements(index, views, top) { + if (index < 2) { + return index; + } + let elt = views[index].div; + let pageTop = elt.offsetTop + elt.clientTop; + if (pageTop >= top) { + elt = views[index - 1].div; + pageTop = elt.offsetTop + elt.clientTop; + } + for (let i = index - 2; i >= 0; --i) { + elt = views[i].div; + if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) { + break; + } + index = i; + } + return index; +} +function getVisibleElements({ + scrollEl, + views, + sortByVisibility = false, + horizontal = false, + rtl = false +}) { + const top = scrollEl.scrollTop, + bottom = top + scrollEl.clientHeight; + const left = scrollEl.scrollLeft, + right = left + scrollEl.clientWidth; + function isElementBottomAfterViewTop(view) { + const element = view.div; + const elementBottom = element.offsetTop + element.clientTop + element.clientHeight; + return elementBottom > top; + } + function isElementNextAfterViewHorizontally(view) { + const element = view.div; + const elementLeft = element.offsetLeft + element.clientLeft; + const elementRight = elementLeft + element.clientWidth; + return rtl ? elementLeft < right : elementRight > left; + } + const visible = [], + ids = new Set(), + numViews = views.length; + let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop); + if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) { + firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top); + } + let lastEdge = horizontal ? right : -1; + for (let i = firstVisibleElementInd; i < numViews; i++) { + const view = views[i], + element = view.div; + const currentWidth = element.offsetLeft + element.clientLeft; + const currentHeight = element.offsetTop + element.clientTop; + const viewWidth = element.clientWidth, + viewHeight = element.clientHeight; + const viewRight = currentWidth + viewWidth; + const viewBottom = currentHeight + viewHeight; + if (lastEdge === -1) { + if (viewBottom >= bottom) { + lastEdge = viewBottom; + } + } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) { + break; + } + if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) { + continue; + } + const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom); + const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right); + const fractionHeight = (viewHeight - hiddenHeight) / viewHeight, + fractionWidth = (viewWidth - hiddenWidth) / viewWidth; + const percent = fractionHeight * fractionWidth * 100 | 0; + visible.push({ + id: view.id, + x: currentWidth, + y: currentHeight, + view, + percent, + widthPercent: fractionWidth * 100 | 0 + }); + ids.add(view.id); + } + const first = visible[0], + last = visible.at(-1); + if (sortByVisibility) { + visible.sort(function (a, b) { + const pc = a.percent - b.percent; + if (Math.abs(pc) > 0.001) { + return -pc; + } + return a.id - b.id; + }); + } + return { + first, + last, + views: visible, + ids + }; +} +function normalizeWheelEventDirection(evt) { + let delta = Math.hypot(evt.deltaX, evt.deltaY); + const angle = Math.atan2(evt.deltaY, evt.deltaX); + if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { + delta = -delta; + } + return delta; +} +function normalizeWheelEventDelta(evt) { + const deltaMode = evt.deltaMode; + let delta = normalizeWheelEventDirection(evt); + const MOUSE_PIXELS_PER_LINE = 30; + const MOUSE_LINES_PER_PAGE = 30; + if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) { + delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; + } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) { + delta /= MOUSE_LINES_PER_PAGE; + } + return delta; +} +function isValidRotation(angle) { + return Number.isInteger(angle) && angle % 90 === 0; +} +function isValidScrollMode(mode) { + return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN; +} +function isValidSpreadMode(mode) { + return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN; +} +function isPortraitOrientation(size) { + return size.width <= size.height; +} +const animationStarted = new Promise(function (resolve) { + window.requestAnimationFrame(resolve); +}); +const docStyle = document.documentElement.style; +function clamp(v, min, max) { + return Math.min(Math.max(v, min), max); +} +class ProgressBar { + #classList = null; + #disableAutoFetchTimeout = null; + #percent = 0; + #style = null; + #visible = true; + constructor(bar) { + this.#classList = bar.classList; + this.#style = bar.style; + } + get percent() { + return this.#percent; + } + set percent(val) { + this.#percent = clamp(val, 0, 100); + if (isNaN(val)) { + this.#classList.add("indeterminate"); + return; + } + this.#classList.remove("indeterminate"); + this.#style.setProperty("--progressBar-percent", `${this.#percent}%`); + } + setWidth(viewer) { + if (!viewer) { + return; + } + const container = viewer.parentNode; + const scrollbarWidth = container.offsetWidth - viewer.offsetWidth; + if (scrollbarWidth > 0) { + this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`); + } + } + setDisableAutoFetch(delay = 5000) { + if (isNaN(this.#percent)) { + return; + } + if (this.#disableAutoFetchTimeout) { + clearTimeout(this.#disableAutoFetchTimeout); + } + this.show(); + this.#disableAutoFetchTimeout = setTimeout(() => { + this.#disableAutoFetchTimeout = null; + this.hide(); + }, delay); + } + hide() { + if (!this.#visible) { + return; + } + this.#visible = false; + this.#classList.add("hidden"); + } + show() { + if (this.#visible) { + return; + } + this.#visible = true; + this.#classList.remove("hidden"); + } +} +function getActiveOrFocusedElement() { + let curRoot = document; + let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + while (curActiveOrFocused?.shadowRoot) { + curRoot = curActiveOrFocused.shadowRoot; + curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + } + return curActiveOrFocused; +} +function apiPageLayoutToViewerModes(layout) { + let scrollMode = ScrollMode.VERTICAL, + spreadMode = SpreadMode.NONE; + switch (layout) { + case "SinglePage": + scrollMode = ScrollMode.PAGE; + break; + case "OneColumn": + break; + case "TwoPageLeft": + scrollMode = ScrollMode.PAGE; + case "TwoColumnLeft": + spreadMode = SpreadMode.ODD; + break; + case "TwoPageRight": + scrollMode = ScrollMode.PAGE; + case "TwoColumnRight": + spreadMode = SpreadMode.EVEN; + break; + } + return { + scrollMode, + spreadMode + }; +} +function apiPageModeToSidebarView(mode) { + switch (mode) { + case "UseNone": + return SidebarView.NONE; + case "UseThumbs": + return SidebarView.THUMBS; + case "UseOutlines": + return SidebarView.OUTLINE; + case "UseAttachments": + return SidebarView.ATTACHMENTS; + case "UseOC": + return SidebarView.LAYERS; + } + return SidebarView.NONE; +} +function toggleCheckedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-checked", toggle); + view?.classList.toggle("hidden", !toggle); +} +function toggleExpandedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-expanded", toggle); + view?.classList.toggle("hidden", !toggle); +} + +;// CONCATENATED MODULE: ./web/app_options.js +const compatibilityParams = Object.create(null); +const OptionKind = { + BROWSER: 0x01, + VIEWER: 0x02, + API: 0x04, + WORKER: 0x08, + PREFERENCE: 0x80 +}; +const defaultOptions = { + canvasMaxAreaInBytes: { + value: -1, + kind: OptionKind.BROWSER + OptionKind.API + }, + isInAutomation: { + value: false, + kind: OptionKind.BROWSER + }, + supportsCaretBrowsingMode: { + value: false, + kind: OptionKind.BROWSER + }, + supportsDocumentFonts: { + value: true, + kind: OptionKind.BROWSER + }, + supportsIntegratedFind: { + value: false, + kind: OptionKind.BROWSER + }, + supportsMouseWheelZoomCtrlKey: { + value: true, + kind: OptionKind.BROWSER + }, + supportsMouseWheelZoomMetaKey: { + value: true, + kind: OptionKind.BROWSER + }, + supportsPinchToZoom: { + value: true, + kind: OptionKind.BROWSER + }, + annotationEditorMode: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + annotationMode: { + value: 2, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cursorToolOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + debuggerSrc: { + value: "./debugger.mjs", + kind: OptionKind.VIEWER + }, + defaultZoomDelay: { + value: 400, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + defaultZoomValue: { + value: "", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + disableHistory: { + value: false, + kind: OptionKind.VIEWER + }, + disablePageLabels: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableHighlightEditor: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableML: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePermissions: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePrintAutoRotate: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableScripting: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableStampEditor: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + externalLinkRel: { + value: "noopener noreferrer nofollow", + kind: OptionKind.VIEWER + }, + externalLinkTarget: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + highlightEditorColors: { + value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + historyUpdateUrl: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + ignoreDestinationZoom: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + imageResourcesPath: { + value: "resource://pdf.js/web/images/", + kind: OptionKind.VIEWER + }, + maxCanvasPixels: { + value: 16777216, + kind: OptionKind.VIEWER + }, + forcePageColors: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsBackground: { + value: "Canvas", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsForeground: { + value: "CanvasText", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pdfBugEnabled: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + printResolution: { + value: 150, + kind: OptionKind.VIEWER + }, + sidebarViewOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + scrollModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + spreadModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + textLayerMode: { + value: 1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + viewOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cMapPacked: { + value: true, + kind: OptionKind.API + }, + cMapUrl: { + value: "resource://pdf.js/web/cmaps/", + kind: OptionKind.API + }, + disableAutoFetch: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableFontFace: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableRange: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableStream: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + docBaseUrl: { + value: "", + kind: OptionKind.API + }, + enableXfa: { + value: true, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + fontExtraProperties: { + value: false, + kind: OptionKind.API + }, + isEvalSupported: { + value: true, + kind: OptionKind.API + }, + isOffscreenCanvasSupported: { + value: true, + kind: OptionKind.API + }, + maxImageSize: { + value: -1, + kind: OptionKind.API + }, + pdfBug: { + value: false, + kind: OptionKind.API + }, + standardFontDataUrl: { + value: "resource://pdf.js/web/standard_fonts/", + kind: OptionKind.API + }, + verbosity: { + value: 1, + kind: OptionKind.API + }, + workerPort: { + value: null, + kind: OptionKind.WORKER + }, + workerSrc: { + value: "resource://pdf.js/build/pdf.worker.mjs", + kind: OptionKind.WORKER + } +}; +const userOptions = Object.create(null); +class AppOptions { + constructor() { + throw new Error("Cannot initialize AppOptions."); + } + static get(name) { + const userOption = userOptions[name]; + if (userOption !== undefined) { + return userOption; + } + const defaultOption = defaultOptions[name]; + if (defaultOption !== undefined) { + return compatibilityParams[name] ?? defaultOption.value; + } + return undefined; + } + static getAll(kind = null) { + const options = Object.create(null); + for (const name in defaultOptions) { + const defaultOption = defaultOptions[name]; + if (kind) { + if (!(kind & defaultOption.kind)) { + continue; + } + } + const userOption = userOptions[name]; + options[name] = userOption !== undefined ? userOption : compatibilityParams[name] ?? defaultOption.value; + } + return options; + } + static set(name, value) { + userOptions[name] = value; + } + static setAll(options, init = false) { + for (const name in options) { + userOptions[name] = options[name]; + } + } + static remove(name) { + delete userOptions[name]; + } +} + +;// CONCATENATED MODULE: ./web/pdf_link_service.js + +const DEFAULT_LINK_REL = "noopener noreferrer nofollow"; +const LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 +}; +function addLinkAttributes(link, { + url, + target, + rel, + enabled = true +} = {}) { + if (!url || typeof url !== "string") { + throw new Error('A valid "url" parameter must provided.'); + } + if (enabled) { + link.href = link.title = url; + } else { + link.href = ""; + link.title = `Disabled: ${url}`; + link.onclick = () => false; + } + let targetStr = ""; + switch (target) { + case LinkTarget.NONE: + break; + case LinkTarget.SELF: + targetStr = "_self"; + break; + case LinkTarget.BLANK: + targetStr = "_blank"; + break; + case LinkTarget.PARENT: + targetStr = "_parent"; + break; + case LinkTarget.TOP: + targetStr = "_top"; + break; + } + link.target = targetStr; + link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL; +} +class PDFLinkService { + #pagesRefCache = new Map(); + constructor({ + eventBus, + externalLinkTarget = null, + externalLinkRel = null, + ignoreDestinationZoom = false + } = {}) { + this.eventBus = eventBus; + this.externalLinkTarget = externalLinkTarget; + this.externalLinkRel = externalLinkRel; + this.externalLinkEnabled = true; + this._ignoreDestinationZoom = ignoreDestinationZoom; + this.baseUrl = null; + this.pdfDocument = null; + this.pdfViewer = null; + this.pdfHistory = null; + } + setDocument(pdfDocument, baseUrl = null) { + this.baseUrl = baseUrl; + this.pdfDocument = pdfDocument; + this.#pagesRefCache.clear(); + } + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + setHistory(pdfHistory) { + this.pdfHistory = pdfHistory; + } + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + } + get page() { + return this.pdfViewer.currentPageNumber; + } + set page(value) { + this.pdfViewer.currentPageNumber = value; + } + get rotation() { + return this.pdfViewer.pagesRotation; + } + set rotation(value) { + this.pdfViewer.pagesRotation = value; + } + get isInPresentationMode() { + return this.pdfViewer.isInPresentationMode; + } + #goToDestinationHelper(rawDest, namedDest = null, explicitDest) { + const destRef = explicitDest[0]; + let pageNumber; + if (typeof destRef === "object" && destRef !== null) { + pageNumber = this._cachedPageNumber(destRef); + if (!pageNumber) { + this.pdfDocument.getPageIndex(destRef).then(pageIndex => { + this.cachePageRef(pageIndex + 1, destRef); + this.#goToDestinationHelper(rawDest, namedDest, explicitDest); + }).catch(() => { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`); + }); + return; + } + } else if (Number.isInteger(destRef)) { + pageNumber = destRef + 1; + } else { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`); + return; + } + if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) { + console.error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.push({ + namedDest, + explicitDest, + pageNumber + }); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber, + destArray: explicitDest, + ignoreDestinationZoom: this._ignoreDestinationZoom + }); + } + async goToDestination(dest) { + if (!this.pdfDocument) { + return; + } + let namedDest, explicitDest; + if (typeof dest === "string") { + namedDest = dest; + explicitDest = await this.pdfDocument.getDestination(dest); + } else { + namedDest = null; + explicitDest = await dest; + } + if (!Array.isArray(explicitDest)) { + console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`); + return; + } + this.#goToDestinationHelper(dest, namedDest, explicitDest); + } + goToPage(val) { + if (!this.pdfDocument) { + return; + } + const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0; + if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { + console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.pushPage(pageNumber); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber + }); + } + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget, + rel: this.externalLinkRel, + enabled: this.externalLinkEnabled + }); + } + getDestinationHash(dest) { + if (typeof dest === "string") { + if (dest.length > 0) { + return this.getAnchorUrl("#" + escape(dest)); + } + } else if (Array.isArray(dest)) { + const str = JSON.stringify(dest); + if (str.length > 0) { + return this.getAnchorUrl("#" + escape(str)); + } + } + return this.getAnchorUrl(""); + } + getAnchorUrl(anchor) { + return this.baseUrl ? this.baseUrl + anchor : anchor; + } + setHash(hash) { + if (!this.pdfDocument) { + return; + } + let pageNumber, dest; + if (hash.includes("=")) { + const params = parseQueryString(hash); + if (params.has("search")) { + const query = params.get("search").replaceAll('"', ""), + phrase = params.get("phrase") === "true"; + this.eventBus.dispatch("findfromurlhash", { + source: this, + query: phrase ? query : query.match(/\S+/g) + }); + } + if (params.has("page")) { + pageNumber = params.get("page") | 0 || 1; + } + if (params.has("zoom")) { + const zoomArgs = params.get("zoom").split(","); + const zoomArg = zoomArgs[0]; + const zoomArgNumber = parseFloat(zoomArg); + if (!zoomArg.includes("Fit")) { + dest = [null, { + name: "XYZ" + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg]; + } else if (zoomArg === "Fit" || zoomArg === "FitB") { + dest = [null, { + name: zoomArg + }]; + } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") { + dest = [null, { + name: zoomArg + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null]; + } else if (zoomArg === "FitR") { + if (zoomArgs.length !== 5) { + console.error('PDFLinkService.setHash: Not enough parameters for "FitR".'); + } else { + dest = [null, { + name: zoomArg + }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0]; + } + } else { + console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`); + } + } + if (dest) { + this.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber || this.page, + destArray: dest, + allowNegativeOffset: true + }); + } else if (pageNumber) { + this.page = pageNumber; + } + if (params.has("pagemode")) { + this.eventBus.dispatch("pagemode", { + source: this, + mode: params.get("pagemode") + }); + } + if (params.has("nameddest")) { + this.goToDestination(params.get("nameddest")); + } + if (!params.has("filename") || !params.has("filedest")) { + return; + } + hash = params.get("filedest"); + } + dest = unescape(hash); + try { + dest = JSON.parse(dest); + if (!Array.isArray(dest)) { + dest = dest.toString(); + } + } catch {} + if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) { + this.goToDestination(dest); + return; + } + console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`); + } + executeNamedAction(action) { + switch (action) { + case "GoBack": + this.pdfHistory?.back(); + break; + case "GoForward": + this.pdfHistory?.forward(); + break; + case "NextPage": + this.pdfViewer.nextPage(); + break; + case "PrevPage": + this.pdfViewer.previousPage(); + break; + case "LastPage": + this.page = this.pagesCount; + break; + case "FirstPage": + this.page = 1; + break; + default: + break; + } + this.eventBus.dispatch("namedaction", { + source: this, + action + }); + } + async executeSetOCGState(action) { + const pdfDocument = this.pdfDocument; + const optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise; + if (pdfDocument !== this.pdfDocument) { + return; + } + let operator; + for (const elem of action.state) { + switch (elem) { + case "ON": + case "OFF": + case "Toggle": + operator = elem; + continue; + } + switch (operator) { + case "ON": + optionalContentConfig.setVisibility(elem, true); + break; + case "OFF": + optionalContentConfig.setVisibility(elem, false); + break; + case "Toggle": + const group = optionalContentConfig.getGroup(elem); + if (group) { + optionalContentConfig.setVisibility(elem, !group.visible); + } + break; + } + } + this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig); + } + cachePageRef(pageNum, pageRef) { + if (!pageRef) { + return; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + this.#pagesRefCache.set(refStr, pageNum); + } + _cachedPageNumber(pageRef) { + if (!pageRef) { + return null; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + return this.#pagesRefCache.get(refStr) || null; + } + static #isValidExplicitDestination(dest) { + if (!Array.isArray(dest)) { + return false; + } + const destLength = dest.length; + if (destLength < 2) { + return false; + } + const page = dest[0]; + if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) { + return false; + } + const zoom = dest[1]; + if (!(typeof zoom === "object" && typeof zoom.name === "string")) { + return false; + } + let allowNull = true; + switch (zoom.name) { + case "XYZ": + if (destLength !== 5) { + return false; + } + break; + case "Fit": + case "FitB": + return destLength === 2; + case "FitH": + case "FitBH": + case "FitV": + case "FitBV": + if (destLength !== 3) { + return false; + } + break; + case "FitR": + if (destLength !== 6) { + return false; + } + allowNull = false; + break; + default: + return false; + } + for (let i = 2; i < destLength; i++) { + const param = dest[i]; + if (!(typeof param === "number" || allowNull && param === null)) { + return false; + } + } + return true; + } +} +class SimpleLinkService { + constructor() { + this.externalLinkEnabled = true; + } + get pagesCount() { + return 0; + } + get page() { + return 0; + } + set page(value) {} + get rotation() { + return 0; + } + set rotation(value) {} + get isInPresentationMode() { + return false; + } + async goToDestination(dest) {} + goToPage(val) {} + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + enabled: this.externalLinkEnabled + }); + } + getDestinationHash(dest) { + return "#"; + } + getAnchorUrl(hash) { + return "#"; + } + setHash(hash) {} + executeNamedAction(action) {} + executeSetOCGState(action) {} + cachePageRef(pageNum, pageRef) {} +} + +;// CONCATENATED MODULE: ./web/pdfjs.js +const { + AbortException, + AnnotationEditorLayer, + AnnotationEditorParamsType, + AnnotationEditorType, + AnnotationEditorUIManager, + AnnotationLayer, + AnnotationMode, + build, + CMapCompressionType, + ColorPicker, + createValidAbsoluteUrl, + DOMSVGFactory, + DrawLayer, + FeatureTest, + fetchData, + getDocument, + getFilenameFromUrl, + getPdfFilenameFromUrl, + getXfaPageViewport, + GlobalWorkerOptions, + ImageKind, + InvalidPDFException, + isDataScheme, + isPdfFile, + MissingPDFException, + noContextMenu, + normalizeUnicode, + OPS, + Outliner, + PasswordResponses, + PDFDataRangeTransport, + PDFDateString, + PDFWorker, + PermissionFlag, + PixelsPerInch, + PromiseCapability, + RenderingCancelledException, + renderTextLayer, + setLayerDimensions, + shadow, + UnexpectedResponseException, + updateTextLayer, + Util, + VerbosityLevel, + version, + XfaLayer +} = globalThis.pdfjsLib; + +;// CONCATENATED MODULE: ./web/event_utils.js +const WaitOnType = { + EVENT: "event", + TIMEOUT: "timeout" +}; +function waitOnEventOrTimeout({ + target, + name, + delay = 0 +}) { + return new Promise(function (resolve, reject) { + if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) { + throw new Error("waitOnEventOrTimeout - invalid parameters."); + } + function handler(type) { + if (target instanceof EventBus) { + target._off(name, eventHandler); + } else { + target.removeEventListener(name, eventHandler); + } + if (timeout) { + clearTimeout(timeout); + } + resolve(type); + } + const eventHandler = handler.bind(null, WaitOnType.EVENT); + if (target instanceof EventBus) { + target._on(name, eventHandler); + } else { + target.addEventListener(name, eventHandler); + } + const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT); + const timeout = setTimeout(timeoutHandler, delay); + }); +} +class EventBus { + #listeners = Object.create(null); + on(eventName, listener, options = null) { + this._on(eventName, listener, { + external: true, + once: options?.once + }); + } + off(eventName, listener, options = null) { + this._off(eventName, listener, { + external: true, + once: options?.once + }); + } + dispatch(eventName, data) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners || eventListeners.length === 0) { + return; + } + let externalListeners; + for (const { + listener, + external, + once + } of eventListeners.slice(0)) { + if (once) { + this._off(eventName, listener); + } + if (external) { + (externalListeners ||= []).push(listener); + continue; + } + listener(data); + } + if (externalListeners) { + for (const listener of externalListeners) { + listener(data); + } + externalListeners = null; + } + } + _on(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName] ||= []; + eventListeners.push({ + listener, + external: options?.external === true, + once: options?.once === true + }); + } + _off(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners) { + return; + } + for (let i = 0, ii = eventListeners.length; i < ii; i++) { + if (eventListeners[i].listener === listener) { + eventListeners.splice(i, 1); + return; + } + } + } +} +class AutomationEventBus extends EventBus { + dispatch(eventName, data) { + super.dispatch(eventName, data); + const detail = Object.create(null); + if (data) { + for (const key in data) { + const value = data[key]; + if (key === "source") { + if (value === window || value === document) { + return; + } + continue; + } + detail[key] = value; + } + } + const event = new CustomEvent(eventName, { + bubbles: true, + cancelable: true, + detail + }); + document.dispatchEvent(event); + } +} + +;// CONCATENATED MODULE: ./web/external_services.js +class BaseExternalServices { + constructor() { + if (this.constructor === BaseExternalServices) { + throw new Error("Cannot initialize BaseExternalServices."); + } + } + updateFindControlState(data) {} + updateFindMatchesCount(data) {} + initPassiveLoading(callbacks) {} + reportTelemetry(data) {} + async createL10n() { + throw new Error("Not implemented: createL10n"); + } + createScripting() { + throw new Error("Not implemented: createScripting"); + } + updateEditorStates(data) { + throw new Error("Not implemented: updateEditorStates"); + } + async getNimbusExperimentData() {} +} + +;// CONCATENATED MODULE: ./web/preferences.js + +class BasePreferences { + #defaults = Object.freeze({ + annotationEditorMode: 0, + annotationMode: 2, + cursorToolOnLoad: 0, + defaultZoomDelay: 400, + defaultZoomValue: "", + disablePageLabels: false, + enableHighlightEditor: false, + enableML: false, + enablePermissions: false, + enablePrintAutoRotate: true, + enableScripting: true, + enableStampEditor: true, + externalLinkTarget: 0, + highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F", + historyUpdateUrl: false, + ignoreDestinationZoom: false, + forcePageColors: false, + pageColorsBackground: "Canvas", + pageColorsForeground: "CanvasText", + pdfBugEnabled: false, + sidebarViewOnLoad: -1, + scrollModeOnLoad: -1, + spreadModeOnLoad: -1, + textLayerMode: 1, + viewOnLoad: 0, + disableAutoFetch: false, + disableFontFace: false, + disableRange: false, + disableStream: false, + enableXfa: true + }); + #prefs = Object.create(null); + #initializedPromise = null; + constructor() { + if (this.constructor === BasePreferences) { + throw new Error("Cannot initialize BasePreferences."); + } + this.#initializedPromise = this._readFromStorage(this.#defaults).then(({ + browserPrefs, + prefs + }) => { + const BROWSER_PREFS = { + canvasMaxAreaInBytes: -1, + isInAutomation: false, + supportsCaretBrowsingMode: false, + supportsDocumentFonts: true, + supportsIntegratedFind: false, + supportsMouseWheelZoomCtrlKey: true, + supportsMouseWheelZoomMetaKey: true, + supportsPinchToZoom: true + }; + const options = Object.create(null); + for (const [name, defaultVal] of Object.entries(BROWSER_PREFS)) { + const prefVal = browserPrefs?.[name]; + options[name] = typeof prefVal === typeof defaultVal ? prefVal : defaultVal; + } + for (const [name, defaultVal] of Object.entries(this.#defaults)) { + const prefVal = prefs?.[name]; + options[name] = this.#prefs[name] = typeof prefVal === typeof defaultVal ? prefVal : defaultVal; + } + AppOptions.setAll(options, true); + }); + } + async _writeToStorage(prefObj) { + throw new Error("Not implemented: _writeToStorage"); + } + async _readFromStorage(prefObj) { + throw new Error("Not implemented: _readFromStorage"); + } + async reset() { + throw new Error("Please use `about:config` to change preferences."); + } + async set(name, value) { + throw new Error("Please use `about:config` to change preferences."); + } + async get(name) { + await this.#initializedPromise; + const defaultValue = this.#defaults[name]; + if (defaultValue === undefined) { + throw new Error(`Get preference: "${name}" is undefined.`); + } + return this.#prefs[name] ?? defaultValue; + } + get initializedPromise() { + return this.#initializedPromise; + } +} + +;// CONCATENATED MODULE: ./web/l10n.js +class L10n { + #dir; + #lang; + #l10n; + constructor({ + lang, + isRTL + }, l10n = null) { + this.#lang = L10n.#fixupLangCode(lang); + this.#l10n = l10n; + this.#dir = isRTL ?? L10n.#isRTL(this.#lang) ? "rtl" : "ltr"; + } + _setL10n(l10n) { + this.#l10n = l10n; + } + getLanguage() { + return this.#lang; + } + getDirection() { + return this.#dir; + } + async get(ids, args = null, fallback) { + if (Array.isArray(ids)) { + ids = ids.map(id => ({ + id + })); + const messages = await this.#l10n.formatMessages(ids); + return messages.map(message => message.value); + } + const messages = await this.#l10n.formatMessages([{ + id: ids, + args + }]); + return messages?.[0].value || fallback; + } + async translate(element) { + try { + this.#l10n.connectRoot(element); + await this.#l10n.translateRoots(); + } catch {} + } + pause() { + this.#l10n.pauseObserving(); + } + resume() { + this.#l10n.resumeObserving(); + } + static #fixupLangCode(langCode) { + langCode = langCode?.toLowerCase() || "en-us"; + const PARTIAL_LANG_CODES = { + en: "en-us", + es: "es-es", + fy: "fy-nl", + ga: "ga-ie", + gu: "gu-in", + hi: "hi-in", + hy: "hy-am", + nb: "nb-no", + ne: "ne-np", + nn: "nn-no", + pa: "pa-in", + pt: "pt-pt", + sv: "sv-se", + zh: "zh-cn" + }; + return PARTIAL_LANG_CODES[langCode] || langCode; + } + static #isRTL(lang) { + const shortCode = lang.split("-", 1)[0]; + return ["ar", "he", "fa", "ps", "ur"].includes(shortCode); + } +} +const GenericL10n = null; + +;// CONCATENATED MODULE: ./web/firefoxcom.js + + + + + +let viewerApp = { + initialized: false +}; +function initCom(app) { + viewerApp = app; +} +class FirefoxCom { + static requestAsync(action, data) { + return new Promise(resolve => { + this.request(action, data, resolve); + }); + } + static request(action, data, callback = null) { + const request = document.createTextNode(""); + if (callback) { + request.addEventListener("pdf.js.response", event => { + const response = event.detail.response; + event.target.remove(); + callback(response); + }, { + once: true + }); + } + document.documentElement.append(request); + const sender = new CustomEvent("pdf.js.message", { + bubbles: true, + cancelable: false, + detail: { + action, + data, + responseExpected: !!callback + } + }); + request.dispatchEvent(sender); + } +} +class DownloadManager { + #openBlobUrls = new WeakMap(); + downloadUrl(url, filename, options = {}) { + FirefoxCom.request("download", { + originalUrl: url, + filename, + options + }); + } + downloadData(data, filename, contentType) { + const blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + FirefoxCom.request("download", { + blobUrl, + originalUrl: blobUrl, + filename, + isAttachment: true + }); + } + openOrDownloadData(data, filename, dest = null) { + const isPdfData = isPdfFile(filename); + const contentType = isPdfData ? "application/pdf" : ""; + if (isPdfData) { + let blobUrl = this.#openBlobUrls.get(data); + if (!blobUrl) { + blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + this.#openBlobUrls.set(data, blobUrl); + } + let viewerUrl = blobUrl + "#filename=" + encodeURIComponent(filename); + if (dest) { + viewerUrl += `&filedest=${escape(dest)}`; + } + try { + window.open(viewerUrl); + return true; + } catch (ex) { + console.error(`openOrDownloadData: ${ex}`); + URL.revokeObjectURL(blobUrl); + this.#openBlobUrls.delete(data); + } + } + this.downloadData(data, filename, contentType); + return false; + } + download(blob, url, filename, options = {}) { + const blobUrl = URL.createObjectURL(blob); + FirefoxCom.request("download", { + blobUrl, + originalUrl: url, + filename, + options + }); + } +} +class Preferences extends BasePreferences { + async _readFromStorage(prefObj) { + return FirefoxCom.requestAsync("getPreferences", prefObj); + } +} +(function listenFindEvents() { + const events = ["find", "findagain", "findhighlightallchange", "findcasesensitivitychange", "findentirewordchange", "findbarclose", "finddiacriticmatchingchange"]; + const findLen = "find".length; + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + if (type === "findbarclose") { + viewerApp.eventBus.dispatch(type, { + source: window + }); + return; + } + viewerApp.eventBus.dispatch("find", { + source: window, + type: type.substring(findLen), + query: detail.query, + caseSensitive: !!detail.caseSensitive, + entireWord: !!detail.entireWord, + highlightAll: !!detail.highlightAll, + findPrevious: !!detail.findPrevious, + matchDiacritics: !!detail.matchDiacritics + }); + }; + for (const event of events) { + window.addEventListener(event, handleEvent); + } +})(); +(function listenZoomEvents() { + const events = ["zoomin", "zoomout", "zoomreset"]; + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + if (type === "zoomreset" && viewerApp.pdfViewer.currentScaleValue === DEFAULT_SCALE_VALUE) { + return; + } + viewerApp.eventBus.dispatch(type, { + source: window + }); + }; + for (const event of events) { + window.addEventListener(event, handleEvent); + } +})(); +(function listenSaveEvent() { + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + viewerApp.eventBus.dispatch("download", { + source: window + }); + }; + window.addEventListener("save", handleEvent); +})(); +(function listenEditingEvent() { + const handleEvent = function ({ + detail + }) { + if (!viewerApp.initialized) { + return; + } + viewerApp.eventBus.dispatch("editingaction", { + source: window, + name: detail.name + }); + }; + window.addEventListener("editingaction", handleEvent); +})(); +{ + (function listenQueryEvents() { + window.addEventListener("pdf.js.query", async ({ + detail: { + queryId + } + }) => { + let result = null; + if (viewerApp.initialized && queryId === "canDownloadInsteadOfPrint") { + result = false; + const { + pdfDocument, + pdfViewer + } = viewerApp; + if (pdfDocument) { + try { + const hasUnchangedAnnotations = pdfDocument.annotationStorage.size === 0; + const hasWillPrint = pdfViewer.enableScripting && !!(await pdfDocument.getJSActions())?.WillPrint; + const hasUnchangedOptionalContent = (await pdfViewer.optionalContentConfigPromise).hasInitialVisibility; + result = hasUnchangedAnnotations && !hasWillPrint && hasUnchangedOptionalContent; + } catch { + console.warn("Unable to check if the document can be downloaded."); + } + } + } + window.dispatchEvent(new CustomEvent("pdf.js.query.answer", { + bubbles: true, + cancelable: false, + detail: { + queryId, + value: result + } + })); + }); + })(); +} +class FirefoxComDataRangeTransport extends PDFDataRangeTransport { + requestDataRange(begin, end) { + FirefoxCom.request("requestDataRange", { + begin, + end + }); + } + abort() { + FirefoxCom.request("abortLoading", null); + } +} +class FirefoxScripting { + static async createSandbox(data) { + const success = await FirefoxCom.requestAsync("createSandbox", data); + if (!success) { + throw new Error("Cannot create sandbox."); + } + } + static async dispatchEventInSandbox(event) { + FirefoxCom.request("dispatchEventInSandbox", event); + } + static async destroySandbox() { + FirefoxCom.request("destroySandbox", null); + } +} +class MLManager { + guess(data) { + return FirefoxCom.requestAsync("mlGuess", data); + } +} +class ExternalServices extends BaseExternalServices { + updateFindControlState(data) { + FirefoxCom.request("updateFindControlState", data); + } + updateFindMatchesCount(data) { + FirefoxCom.request("updateFindMatchesCount", data); + } + initPassiveLoading(callbacks) { + let pdfDataRangeTransport; + window.addEventListener("message", function windowMessage(e) { + if (e.source !== null) { + console.warn("Rejected untrusted message from " + e.origin); + return; + } + const args = e.data; + if (typeof args !== "object" || !("pdfjsLoadAction" in args)) { + return; + } + switch (args.pdfjsLoadAction) { + case "supportsRangedLoading": + if (args.done && !args.data) { + callbacks.onError(); + break; + } + pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data, args.done, args.filename); + callbacks.onOpenWithTransport(pdfDataRangeTransport); + break; + case "range": + pdfDataRangeTransport.onDataRange(args.begin, args.chunk); + break; + case "rangeProgress": + pdfDataRangeTransport.onDataProgress(args.loaded); + break; + case "progressiveRead": + pdfDataRangeTransport.onDataProgressiveRead(args.chunk); + pdfDataRangeTransport.onDataProgress(args.loaded, args.total); + break; + case "progressiveDone": + pdfDataRangeTransport?.onDataProgressiveDone(); + break; + case "progress": + callbacks.onProgress(args.loaded, args.total); + break; + case "complete": + if (!args.data) { + callbacks.onError(args.errorCode); + break; + } + callbacks.onOpenWithData(args.data, args.filename); + break; + } + }); + FirefoxCom.request("initPassiveLoading", null); + } + reportTelemetry(data) { + FirefoxCom.request("reportTelemetry", JSON.stringify(data)); + } + updateEditorStates(data) { + FirefoxCom.request("updateEditorStates", data); + } + async createL10n() { + const [localeProperties] = await Promise.all([FirefoxCom.requestAsync("getLocaleProperties", null), document.l10n.ready]); + return new L10n(localeProperties, document.l10n); + } + createScripting() { + return FirefoxScripting; + } + async getNimbusExperimentData() { + const nimbusData = await FirefoxCom.requestAsync("getNimbusExperimentData", null); + return nimbusData && JSON.parse(nimbusData); + } +} + +;// CONCATENATED MODULE: ./web/stubs-geckoview.js +const AltTextManager = null; +const AnnotationEditorParams = null; +const PDFAttachmentViewer = null; +const PDFCursorTools = null; +const PDFDocumentProperties = null; +const PDFFindBar = null; +const PDFLayerViewer = null; +const PDFOutlineViewer = null; +const PDFPresentationMode = null; +const PDFSidebar = null; +const PDFThumbnailViewer = null; +const SecondaryToolbar = null; + +;// CONCATENATED MODULE: ./web/caret_browsing.js +const PRECISION = 1e-1; +class CaretBrowsingMode { + #mainContainer; + #toolBarHeight; + #viewerContainer; + constructor(mainContainer, viewerContainer, toolbarContainer) { + this.#mainContainer = mainContainer; + this.#viewerContainer = viewerContainer; + this.#toolBarHeight = toolbarContainer?.getBoundingClientRect().height ?? 0; + } + #isOnSameLine(rect1, rect2) { + const top1 = rect1.y; + const bot1 = rect1.bottom; + const mid1 = rect1.y + rect1.height / 2; + const top2 = rect2.y; + const bot2 = rect2.bottom; + const mid2 = rect2.y + rect2.height / 2; + return top1 <= mid2 && mid2 <= bot1 || top2 <= mid1 && mid1 <= bot2; + } + #isUnderOver(rect, x, y, isUp) { + const midY = rect.y + rect.height / 2; + return (isUp ? y >= midY : y <= midY) && rect.x - PRECISION <= x && x <= rect.right + PRECISION; + } + #isVisible(rect) { + return rect.top >= this.#toolBarHeight && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth); + } + #getCaretPosition(selection, isUp) { + const { + focusNode, + focusOffset + } = selection; + const range = document.createRange(); + range.setStart(focusNode, focusOffset); + range.setEnd(focusNode, focusOffset); + const rect = range.getBoundingClientRect(); + return [rect.x, isUp ? rect.top : rect.bottom]; + } + static #caretPositionFromPoint(x, y) { + return document.caretPositionFromPoint(x, y); + } + #setCaretPositionHelper(selection, caretX, select, element, rect) { + rect ||= element.getBoundingClientRect(); + if (caretX <= rect.x + PRECISION) { + if (select) { + selection.extend(element.firstChild, 0); + } else { + selection.setPosition(element.firstChild, 0); + } + return; + } + if (rect.right - PRECISION <= caretX) { + const { + lastChild + } = element; + if (select) { + selection.extend(lastChild, lastChild.length); + } else { + selection.setPosition(lastChild, lastChild.length); + } + return; + } + const midY = rect.y + rect.height / 2; + let caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY); + let parentElement = caretPosition.offsetNode?.parentElement; + if (parentElement && parentElement !== element) { + const elementsAtPoint = document.elementsFromPoint(caretX, midY); + const savedVisibilities = []; + for (const el of elementsAtPoint) { + if (el === element) { + break; + } + const { + style + } = el; + savedVisibilities.push([el, style.visibility]); + style.visibility = "hidden"; + } + caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY); + parentElement = caretPosition.offsetNode?.parentElement; + for (const [el, visibility] of savedVisibilities) { + el.style.visibility = visibility; + } + } + if (parentElement !== element) { + if (select) { + selection.extend(element.firstChild, 0); + } else { + selection.setPosition(element.firstChild, 0); + } + return; + } + if (select) { + selection.extend(caretPosition.offsetNode, caretPosition.offset); + } else { + selection.setPosition(caretPosition.offsetNode, caretPosition.offset); + } + } + #setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX) { + if (this.#isVisible(newLineElementRect)) { + this.#setCaretPositionHelper(selection, caretX, select, newLineElement, newLineElementRect); + return; + } + this.#mainContainer.addEventListener("scrollend", this.#setCaretPositionHelper.bind(this, selection, caretX, select, newLineElement, null), { + once: true + }); + newLineElement.scrollIntoView(); + } + #getNodeOnNextPage(textLayer, isUp) { + while (true) { + const page = textLayer.closest(".page"); + const pageNumber = parseInt(page.getAttribute("data-page-number")); + const nextPage = isUp ? pageNumber - 1 : pageNumber + 1; + textLayer = this.#viewerContainer.querySelector(`.page[data-page-number="${nextPage}"] .textLayer`); + if (!textLayer) { + return null; + } + const walker = document.createTreeWalker(textLayer, NodeFilter.SHOW_TEXT); + const node = isUp ? walker.lastChild() : walker.firstChild(); + if (node) { + return node; + } + } + } + moveCaret(isUp, select) { + const selection = document.getSelection(); + if (selection.rangeCount === 0) { + return; + } + const { + focusNode + } = selection; + const focusElement = focusNode.nodeType !== Node.ELEMENT_NODE ? focusNode.parentElement : focusNode; + const root = focusElement.closest(".textLayer"); + if (!root) { + return; + } + const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT); + walker.currentNode = focusNode; + const focusRect = focusElement.getBoundingClientRect(); + let newLineElement = null; + const nodeIterator = (isUp ? walker.previousSibling : walker.nextSibling).bind(walker); + while (nodeIterator()) { + const element = walker.currentNode.parentElement; + if (!this.#isOnSameLine(focusRect, element.getBoundingClientRect())) { + newLineElement = element; + break; + } + } + if (!newLineElement) { + const node = this.#getNodeOnNextPage(root, isUp); + if (!node) { + return; + } + if (select) { + const lastNode = (isUp ? walker.firstChild() : walker.lastChild()) || focusNode; + selection.extend(lastNode, isUp ? 0 : lastNode.length); + const range = document.createRange(); + range.setStart(node, isUp ? node.length : 0); + range.setEnd(node, isUp ? node.length : 0); + selection.addRange(range); + return; + } + const [caretX] = this.#getCaretPosition(selection, isUp); + const { + parentElement + } = node; + this.#setCaretPosition(select, selection, parentElement, parentElement.getBoundingClientRect(), caretX); + return; + } + const [caretX, caretY] = this.#getCaretPosition(selection, isUp); + const newLineElementRect = newLineElement.getBoundingClientRect(); + if (this.#isUnderOver(newLineElementRect, caretX, caretY, isUp)) { + this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX); + return; + } + while (nodeIterator()) { + const element = walker.currentNode.parentElement; + const elementRect = element.getBoundingClientRect(); + if (!this.#isOnSameLine(newLineElementRect, elementRect)) { + break; + } + if (this.#isUnderOver(elementRect, caretX, caretY, isUp)) { + this.#setCaretPosition(select, selection, element, elementRect, caretX); + return; + } + } + this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX); + } +} + +;// CONCATENATED MODULE: ./web/overlay_manager.js +class OverlayManager { + #overlays = new WeakMap(); + #active = null; + get active() { + return this.#active; + } + async register(dialog, canForceClose = false) { + if (typeof dialog !== "object") { + throw new Error("Not enough parameters."); + } else if (this.#overlays.has(dialog)) { + throw new Error("The overlay is already registered."); + } + this.#overlays.set(dialog, { + canForceClose + }); + dialog.addEventListener("cancel", evt => { + this.#active = null; + }); + } + async open(dialog) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (this.#active) { + if (this.#active === dialog) { + throw new Error("The overlay is already active."); + } else if (this.#overlays.get(dialog).canForceClose) { + await this.close(); + } else { + throw new Error("Another overlay is currently active."); + } + } + this.#active = dialog; + dialog.showModal(); + } + async close(dialog = this.#active) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (!this.#active) { + throw new Error("The overlay is currently not active."); + } else if (this.#active !== dialog) { + throw new Error("Another overlay is currently active."); + } + dialog.close(); + this.#active = null; + } +} + +;// CONCATENATED MODULE: ./web/password_prompt.js + +class PasswordPrompt { + #activeCapability = null; + #updateCallback = null; + #reason = null; + constructor(options, overlayManager, isViewerEmbedded = false) { + this.dialog = options.dialog; + this.label = options.label; + this.input = options.input; + this.submitButton = options.submitButton; + this.cancelButton = options.cancelButton; + this.overlayManager = overlayManager; + this._isViewerEmbedded = isViewerEmbedded; + this.submitButton.addEventListener("click", this.#verify.bind(this)); + this.cancelButton.addEventListener("click", this.close.bind(this)); + this.input.addEventListener("keydown", e => { + if (e.keyCode === 13) { + this.#verify(); + } + }); + this.overlayManager.register(this.dialog, true); + this.dialog.addEventListener("close", this.#cancel.bind(this)); + } + async open() { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#activeCapability = new PromiseCapability(); + try { + await this.overlayManager.open(this.dialog); + } catch (ex) { + this.#activeCapability.resolve(); + throw ex; + } + const passwordIncorrect = this.#reason === PasswordResponses.INCORRECT_PASSWORD; + if (!this._isViewerEmbedded || passwordIncorrect) { + this.input.focus(); + } + this.label.setAttribute("data-l10n-id", `pdfjs-password-${passwordIncorrect ? "invalid" : "label"}`); + } + async close() { + if (this.overlayManager.active === this.dialog) { + this.overlayManager.close(this.dialog); + } + } + #verify() { + const password = this.input.value; + if (password?.length > 0) { + this.#invokeCallback(password); + } + } + #cancel() { + this.#invokeCallback(new Error("PasswordPrompt cancelled.")); + this.#activeCapability.resolve(); + } + #invokeCallback(password) { + if (!this.#updateCallback) { + return; + } + this.close(); + this.input.value = ""; + this.#updateCallback(password); + this.#updateCallback = null; + } + async setUpdateCallback(updateCallback, reason) { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#updateCallback = updateCallback; + this.#reason = reason; + } +} + +;// CONCATENATED MODULE: ./web/pdf_find_utils.js +const CharacterType = { + SPACE: 0, + ALPHA_LETTER: 1, + PUNCT: 2, + HAN_LETTER: 3, + KATAKANA_LETTER: 4, + HIRAGANA_LETTER: 5, + HALFWIDTH_KATAKANA_LETTER: 6, + THAI_LETTER: 7 +}; +function isAlphabeticalScript(charCode) { + return charCode < 0x2e80; +} +function isAscii(charCode) { + return (charCode & 0xff80) === 0; +} +function isAsciiAlpha(charCode) { + return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a; +} +function isAsciiDigit(charCode) { + return charCode >= 0x30 && charCode <= 0x39; +} +function isAsciiSpace(charCode) { + return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a; +} +function isHan(charCode) { + return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff; +} +function isKatakana(charCode) { + return charCode >= 0x30a0 && charCode <= 0x30ff; +} +function isHiragana(charCode) { + return charCode >= 0x3040 && charCode <= 0x309f; +} +function isHalfwidthKatakana(charCode) { + return charCode >= 0xff60 && charCode <= 0xff9f; +} +function isThai(charCode) { + return (charCode & 0xff80) === 0x0e00; +} +function getCharacterType(charCode) { + if (isAlphabeticalScript(charCode)) { + if (isAscii(charCode)) { + if (isAsciiSpace(charCode)) { + return CharacterType.SPACE; + } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) { + return CharacterType.ALPHA_LETTER; + } + return CharacterType.PUNCT; + } else if (isThai(charCode)) { + return CharacterType.THAI_LETTER; + } else if (charCode === 0xa0) { + return CharacterType.SPACE; + } + return CharacterType.ALPHA_LETTER; + } + if (isHan(charCode)) { + return CharacterType.HAN_LETTER; + } else if (isKatakana(charCode)) { + return CharacterType.KATAKANA_LETTER; + } else if (isHiragana(charCode)) { + return CharacterType.HIRAGANA_LETTER; + } else if (isHalfwidthKatakana(charCode)) { + return CharacterType.HALFWIDTH_KATAKANA_LETTER; + } + return CharacterType.ALPHA_LETTER; +} +let NormalizeWithNFKC; +function getNormalizeWithNFKC() { + NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-ËË -ˤʹͺ;΄-΅·Ï-Ï–Ï°-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-à§à§Ÿà¨³à¨¶à©™-ਜ਼ਫ਼àœ-àำຳໜ-à»à¼Œà½ƒà½à½’བྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-áµáµ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-á¿á¿‰á¿‹á¿-á¿á¿“á¿›á¿-῟ΰΎá¿-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾â‡-â‰â—âŸâ°-â±â´-â‚Žâ‚-ₜ₨℀-℃℅-ℇ℉-â„“â„•-â„–â„™-â„â„ -™ℤΩℨK-â„ℯ-ℱℳ-ℹ℻-⅀ⅅ-â…‰â…-ⅿ↉∬-âˆâˆ¯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕　〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇ã‰-㉾㊀-ã¿êšœ-êšê°êŸ²-ꟴꟸ-ꟹêœ-êŸê©ï¤€-ï¨ï¨ï¨’凞-ï¨žï¨ ï¨¢ï¨¥-都飯-ï©ï©°-龎ff-stﬓ-ﬗï¬ï¬Ÿ-זּטּ-לּמּï€-ïïƒ-ï„ï†-ﮱﯓ-ï´½ïµ-ï¶ï¶’-ﷇﷰ-ï·¼ï¸-︙︰-﹄﹇-ï¹’ï¹”-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼï¼-ﾾￂ-ￇￊ-ï¿ï¿’-ï¿—ï¿š-ï¿œï¿ -￦`; + return NormalizeWithNFKC; +} + +;// CONCATENATED MODULE: ./web/pdf_find_controller.js + + + +const FindState = { + FOUND: 0, + NOT_FOUND: 1, + WRAPPED: 2, + PENDING: 3 +}; +const FIND_TIMEOUT = 250; +const MATCH_SCROLL_OFFSET_TOP = -50; +const MATCH_SCROLL_OFFSET_LEFT = -400; +const CHARACTERS_TO_NORMALIZE = { + "\u2010": "-", + "\u2018": "'", + "\u2019": "'", + "\u201A": "'", + "\u201B": "'", + "\u201C": '"', + "\u201D": '"', + "\u201E": '"', + "\u201F": '"', + "\u00BC": "1/4", + "\u00BD": "1/2", + "\u00BE": "3/4" +}; +const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]); +let DIACRITICS_EXCEPTION_STR; +const DIACRITICS_REG_EXP = /\p{M}+/gu; +const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu; +const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u; +const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u; +const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g; +const SYLLABLES_LENGTHS = new Map(); +const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]"; +const NFKC_CHARS_TO_NORMALIZE = new Map(); +let noSyllablesRegExp = null; +let withSyllablesRegExp = null; +function normalize(text) { + const syllablePositions = []; + let m; + while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) { + let { + index + } = m; + for (const char of m[0]) { + let len = SYLLABLES_LENGTHS.get(char); + if (!len) { + len = char.normalize("NFD").length; + SYLLABLES_LENGTHS.set(char, len); + } + syllablePositions.push([len, index++]); + } + } + let normalizationRegex; + if (syllablePositions.length === 0 && noSyllablesRegExp) { + normalizationRegex = noSyllablesRegExp; + } else if (syllablePositions.length > 0 && withSyllablesRegExp) { + normalizationRegex = withSyllablesRegExp; + } else { + const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(""); + const toNormalizeWithNFKC = getNormalizeWithNFKC(); + const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])"; + const HKDiacritics = "(?:\u3099|\u309A)"; + const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`; + if (syllablePositions.length === 0) { + normalizationRegex = noSyllablesRegExp = new RegExp(regexp + "|(\\u0000)", "gum"); + } else { + normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, "gum"); + } + } + const rawDiacriticsPositions = []; + while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) { + rawDiacriticsPositions.push([m[0].length, m.index]); + } + let normalized = text.normalize("NFD"); + const positions = [[0, 0]]; + let rawDiacriticsIndex = 0; + let syllableIndex = 0; + let shift = 0; + let shiftOrigin = 0; + let eol = 0; + let hasDiacritics = false; + normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => { + i -= shiftOrigin; + if (p1) { + const replacement = CHARACTERS_TO_NORMALIZE[p1]; + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p2) { + let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2); + if (!replacement) { + replacement = p2.normalize("NFKC"); + NFKC_CHARS_TO_NORMALIZE.set(p2, replacement); + } + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p3) { + hasDiacritics = true; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + ++rawDiacriticsIndex; + } else { + positions.push([i - 1 - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + } + positions.push([i - shift + 1, shift]); + shiftOrigin += 1; + eol += 1; + return p3.charAt(0); + } + if (p4) { + const hasTrailingDashEOL = p4.endsWith("\n"); + const len = hasTrailingDashEOL ? p4.length - 2 : p4.length; + hasDiacritics = true; + let jj = len; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + jj -= rawDiacriticsPositions[rawDiacriticsIndex][0]; + ++rawDiacriticsIndex; + } + for (let j = 1; j <= jj; j++) { + positions.push([i - 1 - shift + j, shift - j]); + } + shift -= jj; + shiftOrigin += jj; + if (hasTrailingDashEOL) { + i += len - 1; + positions.push([i - shift + 1, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p4.slice(0, len); + } + return p4; + } + if (p5) { + const len = p5.length - 2; + positions.push([i - shift + len, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p5.slice(0, -2); + } + if (p6) { + const len = p6.length - 1; + positions.push([i - shift + len, shift]); + shiftOrigin += 1; + eol += 1; + return p6.slice(0, -1); + } + if (p7) { + positions.push([i - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + eol += 1; + return " "; + } + if (i + eol === syllablePositions[syllableIndex]?.[1]) { + const newCharLen = syllablePositions[syllableIndex][0] - 1; + ++syllableIndex; + for (let j = 1; j <= newCharLen; j++) { + positions.push([i - (shift - j), shift - j]); + } + shift -= newCharLen; + shiftOrigin += newCharLen; + } + return p8; + }); + positions.push([normalized.length, shift]); + return [normalized, positions, hasDiacritics]; +} +function getOriginalIndex(diffs, pos, len) { + if (!diffs) { + return [pos, len]; + } + const start = pos; + const end = pos + len - 1; + let i = binarySearchFirstItem(diffs, x => x[0] >= start); + if (diffs[i][0] > start) { + --i; + } + let j = binarySearchFirstItem(diffs, x => x[0] >= end, i); + if (diffs[j][0] > end) { + --j; + } + const oldStart = start + diffs[i][1]; + const oldEnd = end + diffs[j][1]; + const oldLen = oldEnd + 1 - oldStart; + return [oldStart, oldLen]; +} +class PDFFindController { + #state = null; + #updateMatchesCountOnProgress = true; + #visitedPagesCount = 0; + constructor({ + linkService, + eventBus, + updateMatchesCountOnProgress = true + }) { + this._linkService = linkService; + this._eventBus = eventBus; + this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress; + this.onIsPageVisible = null; + this.#reset(); + eventBus._on("find", this.#onFind.bind(this)); + eventBus._on("findbarclose", this.#onFindBarClose.bind(this)); + } + get highlightMatches() { + return this._highlightMatches; + } + get pageMatches() { + return this._pageMatches; + } + get pageMatchesLength() { + return this._pageMatchesLength; + } + get selected() { + return this._selected; + } + get state() { + return this.#state; + } + setDocument(pdfDocument) { + if (this._pdfDocument) { + this.#reset(); + } + if (!pdfDocument) { + return; + } + this._pdfDocument = pdfDocument; + this._firstPageCapability.resolve(); + } + #onFind(state) { + if (!state) { + return; + } + const pdfDocument = this._pdfDocument; + const { + type + } = state; + if (this.#state === null || this.#shouldDirtyMatch(state)) { + this._dirtyMatch = true; + } + this.#state = state; + if (type !== "highlightallchange") { + this.#updateUIState(FindState.PENDING); + } + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + this.#extractText(); + const findbarClosed = !this._highlightMatches; + const pendingTimeout = !!this._findTimeout; + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (!type) { + this._findTimeout = setTimeout(() => { + this.#nextMatch(); + this._findTimeout = null; + }, FIND_TIMEOUT); + } else if (this._dirtyMatch) { + this.#nextMatch(); + } else if (type === "again") { + this.#nextMatch(); + if (findbarClosed && this.#state.highlightAll) { + this.#updateAllPages(); + } + } else if (type === "highlightallchange") { + if (pendingTimeout) { + this.#nextMatch(); + } else { + this._highlightMatches = true; + } + this.#updateAllPages(); + } else { + this.#nextMatch(); + } + }); + } + scrollMatchIntoView({ + element = null, + selectedLeft = 0, + pageIndex = -1, + matchIndex = -1 + }) { + if (!this._scrollMatches || !element) { + return; + } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) { + return; + } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) { + return; + } + this._scrollMatches = false; + const spot = { + top: MATCH_SCROLL_OFFSET_TOP, + left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT + }; + scrollIntoView(element, spot, true); + } + #reset() { + this._highlightMatches = false; + this._scrollMatches = false; + this._pdfDocument = null; + this._pageMatches = []; + this._pageMatchesLength = []; + this.#visitedPagesCount = 0; + this.#state = null; + this._selected = { + pageIdx: -1, + matchIdx: -1 + }; + this._offset = { + pageIdx: null, + matchIdx: null, + wrapped: false + }; + this._extractTextPromises = []; + this._pageContents = []; + this._pageDiffs = []; + this._hasDiacritics = []; + this._matchesCountTotal = 0; + this._pagesToSearch = null; + this._pendingFindMatches = new Set(); + this._resumePageIdx = null; + this._dirtyMatch = false; + clearTimeout(this._findTimeout); + this._findTimeout = null; + this._firstPageCapability = new PromiseCapability(); + } + get #query() { + const { + query + } = this.#state; + if (typeof query === "string") { + if (query !== this._rawQuery) { + this._rawQuery = query; + [this._normalizedQuery] = normalize(query); + } + return this._normalizedQuery; + } + return (query || []).filter(q => !!q).map(q => normalize(q)[0]); + } + #shouldDirtyMatch(state) { + const newQuery = state.query, + prevQuery = this.#state.query; + const newType = typeof newQuery, + prevType = typeof prevQuery; + if (newType !== prevType) { + return true; + } + if (newType === "string") { + if (newQuery !== prevQuery) { + return true; + } + } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) { + return true; + } + switch (state.type) { + case "again": + const pageNumber = this._selected.pageIdx + 1; + const linkService = this._linkService; + return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true); + case "highlightallchange": + return false; + } + return true; + } + #isEntireWord(content, startIdx, length) { + let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP); + if (match) { + const first = content.charCodeAt(startIdx); + const limit = match[1].charCodeAt(0); + if (getCharacterType(first) === getCharacterType(limit)) { + return false; + } + } + match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP); + if (match) { + const last = content.charCodeAt(startIdx + length - 1); + const limit = match[1].charCodeAt(0); + if (getCharacterType(last) === getCharacterType(limit)) { + return false; + } + } + return true; + } + #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) { + const matches = this._pageMatches[pageIndex] = []; + const matchesLength = this._pageMatchesLength[pageIndex] = []; + if (!query) { + return; + } + const diffs = this._pageDiffs[pageIndex]; + let match; + while ((match = query.exec(pageContent)) !== null) { + if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) { + continue; + } + const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length); + if (matchLen) { + matches.push(matchPos); + matchesLength.push(matchLen); + } + } + } + #convertToRegExpString(query, hasDiacritics) { + const { + matchDiacritics + } = this.#state; + let isUnicode = false; + query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => { + if (p1) { + return `[ ]*\\${p1}[ ]*`; + } + if (p2) { + return `[ ]*${p2}[ ]*`; + } + if (p3) { + return "[ ]+"; + } + if (matchDiacritics) { + return p4 || p5; + } + if (p4) { + return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : ""; + } + if (hasDiacritics) { + isUnicode = true; + return `${p5}\\p{M}*`; + } + return p5; + }); + const trailingSpaces = "[ ]*"; + if (query.endsWith(trailingSpaces)) { + query = query.slice(0, query.length - trailingSpaces.length); + } + if (matchDiacritics) { + if (hasDiacritics) { + DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION); + isUnicode = true; + query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`; + } + } + return [isUnicode, query]; + } + #calculateMatch(pageIndex) { + let query = this.#query; + if (query.length === 0) { + return; + } + const { + caseSensitive, + entireWord + } = this.#state; + const pageContent = this._pageContents[pageIndex]; + const hasDiacritics = this._hasDiacritics[pageIndex]; + let isUnicode = false; + if (typeof query === "string") { + [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics); + } else { + query = query.sort().reverse().map(q => { + const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics); + isUnicode ||= isUnicodePart; + return `(${queryPart})`; + }).join("|"); + } + const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`; + query = query ? new RegExp(query, flags) : null; + this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent); + if (this.#state.highlightAll) { + this.#updatePage(pageIndex); + } + if (this._resumePageIdx === pageIndex) { + this._resumePageIdx = null; + this.#nextPageMatch(); + } + const pageMatchesCount = this._pageMatches[pageIndex].length; + this._matchesCountTotal += pageMatchesCount; + if (this.#updateMatchesCountOnProgress) { + if (pageMatchesCount > 0) { + this.#updateUIResultsCount(); + } + } else if (++this.#visitedPagesCount === this._linkService.pagesCount) { + this.#updateUIResultsCount(); + } + } + #extractText() { + if (this._extractTextPromises.length > 0) { + return; + } + let promise = Promise.resolve(); + const textOptions = { + disableNormalization: true + }; + for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) { + const extractTextCapability = new PromiseCapability(); + this._extractTextPromises[i] = extractTextCapability.promise; + promise = promise.then(() => { + return this._pdfDocument.getPage(i + 1).then(pdfPage => pdfPage.getTextContent(textOptions)).then(textContent => { + const strBuf = []; + for (const textItem of textContent.items) { + strBuf.push(textItem.str); + if (textItem.hasEOL) { + strBuf.push("\n"); + } + } + [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join("")); + extractTextCapability.resolve(); + }, reason => { + console.error(`Unable to get text content for page ${i + 1}`, reason); + this._pageContents[i] = ""; + this._pageDiffs[i] = null; + this._hasDiacritics[i] = false; + extractTextCapability.resolve(); + }); + }); + } + } + #updatePage(index) { + if (this._scrollMatches && this._selected.pageIdx === index) { + this._linkService.page = index + 1; + } + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: index + }); + } + #updateAllPages() { + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: -1 + }); + } + #nextMatch() { + const previous = this.#state.findPrevious; + const currentPageIndex = this._linkService.page - 1; + const numPages = this._linkService.pagesCount; + this._highlightMatches = true; + if (this._dirtyMatch) { + this._dirtyMatch = false; + this._selected.pageIdx = this._selected.matchIdx = -1; + this._offset.pageIdx = currentPageIndex; + this._offset.matchIdx = null; + this._offset.wrapped = false; + this._resumePageIdx = null; + this._pageMatches.length = 0; + this._pageMatchesLength.length = 0; + this.#visitedPagesCount = 0; + this._matchesCountTotal = 0; + this.#updateAllPages(); + for (let i = 0; i < numPages; i++) { + if (this._pendingFindMatches.has(i)) { + continue; + } + this._pendingFindMatches.add(i); + this._extractTextPromises[i].then(() => { + this._pendingFindMatches.delete(i); + this.#calculateMatch(i); + }); + } + } + const query = this.#query; + if (query.length === 0) { + this.#updateUIState(FindState.FOUND); + return; + } + if (this._resumePageIdx) { + return; + } + const offset = this._offset; + this._pagesToSearch = numPages; + if (offset.matchIdx !== null) { + const numPageMatches = this._pageMatches[offset.pageIdx].length; + if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) { + offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1; + this.#updateMatch(true); + return; + } + this.#advanceOffsetPage(previous); + } + this.#nextPageMatch(); + } + #matchesReady(matches) { + const offset = this._offset; + const numMatches = matches.length; + const previous = this.#state.findPrevious; + if (numMatches) { + offset.matchIdx = previous ? numMatches - 1 : 0; + this.#updateMatch(true); + return true; + } + this.#advanceOffsetPage(previous); + if (offset.wrapped) { + offset.matchIdx = null; + if (this._pagesToSearch < 0) { + this.#updateMatch(false); + return true; + } + } + return false; + } + #nextPageMatch() { + if (this._resumePageIdx !== null) { + console.error("There can only be one pending page."); + } + let matches = null; + do { + const pageIdx = this._offset.pageIdx; + matches = this._pageMatches[pageIdx]; + if (!matches) { + this._resumePageIdx = pageIdx; + break; + } + } while (!this.#matchesReady(matches)); + } + #advanceOffsetPage(previous) { + const offset = this._offset; + const numPages = this._linkService.pagesCount; + offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1; + offset.matchIdx = null; + this._pagesToSearch--; + if (offset.pageIdx >= numPages || offset.pageIdx < 0) { + offset.pageIdx = previous ? numPages - 1 : 0; + offset.wrapped = true; + } + } + #updateMatch(found = false) { + let state = FindState.NOT_FOUND; + const wrapped = this._offset.wrapped; + this._offset.wrapped = false; + if (found) { + const previousPage = this._selected.pageIdx; + this._selected.pageIdx = this._offset.pageIdx; + this._selected.matchIdx = this._offset.matchIdx; + state = wrapped ? FindState.WRAPPED : FindState.FOUND; + if (previousPage !== -1 && previousPage !== this._selected.pageIdx) { + this.#updatePage(previousPage); + } + } + this.#updateUIState(state, this.#state.findPrevious); + if (this._selected.pageIdx !== -1) { + this._scrollMatches = true; + this.#updatePage(this._selected.pageIdx); + } + } + #onFindBarClose(evt) { + const pdfDocument = this._pdfDocument; + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (this._resumePageIdx) { + this._resumePageIdx = null; + this._dirtyMatch = true; + } + this.#updateUIState(FindState.FOUND); + this._highlightMatches = false; + this.#updateAllPages(); + }); + } + #requestMatchesCount() { + const { + pageIdx, + matchIdx + } = this._selected; + let current = 0, + total = this._matchesCountTotal; + if (matchIdx !== -1) { + for (let i = 0; i < pageIdx; i++) { + current += this._pageMatches[i]?.length || 0; + } + current += matchIdx + 1; + } + if (current < 1 || current > total) { + current = total = 0; + } + return { + current, + total + }; + } + #updateUIResultsCount() { + this._eventBus.dispatch("updatefindmatchescount", { + source: this, + matchesCount: this.#requestMatchesCount() + }); + } + #updateUIState(state, previous = false) { + if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) { + return; + } + this._eventBus.dispatch("updatefindcontrolstate", { + source: this, + state, + previous, + matchesCount: this.#requestMatchesCount(), + rawQuery: this.#state?.query ?? null + }); + } +} + +;// CONCATENATED MODULE: ./web/pdf_history.js + + +const HASH_CHANGE_TIMEOUT = 1000; +const POSITION_UPDATED_THRESHOLD = 50; +const UPDATE_VIEWAREA_TIMEOUT = 1000; +function getCurrentHash() { + return document.location.hash; +} +class PDFHistory { + constructor({ + linkService, + eventBus + }) { + this.linkService = linkService; + this.eventBus = eventBus; + this._initialized = false; + this._fingerprint = ""; + this.reset(); + this._boundEvents = null; + this.eventBus._on("pagesinit", () => { + this._isPagesLoaded = false; + this.eventBus._on("pagesloaded", evt => { + this._isPagesLoaded = !!evt.pagesCount; + }, { + once: true + }); + }); + } + initialize({ + fingerprint, + resetHistory = false, + updateUrl = false + }) { + if (!fingerprint || typeof fingerprint !== "string") { + console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.'); + return; + } + if (this._initialized) { + this.reset(); + } + const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint; + this._fingerprint = fingerprint; + this._updateUrl = updateUrl === true; + this._initialized = true; + this._bindEvents(); + const state = window.history.state; + this._popStateInProgress = false; + this._blockHashChange = 0; + this._currentHash = getCurrentHash(); + this._numPositionUpdates = 0; + this._uid = this._maxUid = 0; + this._destination = null; + this._position = null; + if (!this._isValidState(state, true) || resetHistory) { + const { + hash, + page, + rotation + } = this._parseCurrentHash(true); + if (!hash || reInitialized || resetHistory) { + this._pushOrReplaceState(null, true); + return; + } + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if (destination.rotation !== undefined) { + this._initialRotation = destination.rotation; + } + if (destination.dest) { + this._initialBookmark = JSON.stringify(destination.dest); + this._destination.page = null; + } else if (destination.hash) { + this._initialBookmark = destination.hash; + } else if (destination.page) { + this._initialBookmark = `page=${destination.page}`; + } + } + reset() { + if (this._initialized) { + this._pageHide(); + this._initialized = false; + this._unbindEvents(); + } + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._initialBookmark = null; + this._initialRotation = null; + } + push({ + namedDest = null, + explicitDest, + pageNumber + }) { + if (!this._initialized) { + return; + } + if (namedDest && typeof namedDest !== "string") { + console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`); + return; + } else if (!Array.isArray(explicitDest)) { + console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`); + return; + } else if (!this._isValidPage(pageNumber)) { + if (pageNumber !== null || this._destination) { + console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + } + const hash = namedDest || JSON.stringify(explicitDest); + if (!hash) { + return; + } + let forceReplace = false; + if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) { + if (this._destination.page) { + return; + } + forceReplace = true; + } + if (this._popStateInProgress && !forceReplace) { + return; + } + this._pushOrReplaceState({ + dest: explicitDest, + hash, + page: pageNumber, + rotation: this.linkService.rotation + }, forceReplace); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + pushPage(pageNumber) { + if (!this._initialized) { + return; + } + if (!this._isValidPage(pageNumber)) { + console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`); + return; + } + if (this._destination?.page === pageNumber) { + return; + } + if (this._popStateInProgress) { + return; + } + this._pushOrReplaceState({ + dest: null, + hash: `page=${pageNumber}`, + page: pageNumber, + rotation: this.linkService.rotation + }); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + pushCurrentPosition() { + if (!this._initialized || this._popStateInProgress) { + return; + } + this._tryPushCurrentPosition(); + } + back() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid > 0) { + window.history.back(); + } + } + forward() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid < this._maxUid) { + window.history.forward(); + } + } + get popStateInProgress() { + return this._initialized && (this._popStateInProgress || this._blockHashChange > 0); + } + get initialBookmark() { + return this._initialized ? this._initialBookmark : null; + } + get initialRotation() { + return this._initialized ? this._initialRotation : null; + } + _pushOrReplaceState(destination, forceReplace = false) { + const shouldReplace = forceReplace || !this._destination; + const newState = { + fingerprint: this._fingerprint, + uid: shouldReplace ? this._uid : this._uid + 1, + destination + }; + this._updateInternalState(destination, newState.uid); + let newUrl; + if (this._updateUrl && destination?.hash) { + const baseUrl = document.location.href.split("#", 1)[0]; + if (!baseUrl.startsWith("file://")) { + newUrl = `${baseUrl}#${destination.hash}`; + } + } + if (shouldReplace) { + window.history.replaceState(newState, "", newUrl); + } else { + window.history.pushState(newState, "", newUrl); + } + } + _tryPushCurrentPosition(temporary = false) { + if (!this._position) { + return; + } + let position = this._position; + if (temporary) { + position = Object.assign(Object.create(null), this._position); + position.temporary = true; + } + if (!this._destination) { + this._pushOrReplaceState(position); + return; + } + if (this._destination.temporary) { + this._pushOrReplaceState(position, true); + return; + } + if (this._destination.hash === position.hash) { + return; + } + if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) { + return; + } + let forceReplace = false; + if (this._destination.page >= position.first && this._destination.page <= position.page) { + if (this._destination.dest !== undefined || !this._destination.first) { + return; + } + forceReplace = true; + } + this._pushOrReplaceState(position, forceReplace); + } + _isValidPage(val) { + return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount; + } + _isValidState(state, checkReload = false) { + if (!state) { + return false; + } + if (state.fingerprint !== this._fingerprint) { + if (checkReload) { + if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) { + return false; + } + const [perfEntry] = performance.getEntriesByType("navigation"); + if (perfEntry?.type !== "reload") { + return false; + } + } else { + return false; + } + } + if (!Number.isInteger(state.uid) || state.uid < 0) { + return false; + } + if (state.destination === null || typeof state.destination !== "object") { + return false; + } + return true; + } + _updateInternalState(destination, uid, removeTemporary = false) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + if (removeTemporary && destination?.temporary) { + delete destination.temporary; + } + this._destination = destination; + this._uid = uid; + this._maxUid = Math.max(this._maxUid, uid); + this._numPositionUpdates = 0; + } + _parseCurrentHash(checkNameddest = false) { + const hash = unescape(getCurrentHash()).substring(1); + const params = parseQueryString(hash); + const nameddest = params.get("nameddest") || ""; + let page = params.get("page") | 0; + if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) { + page = null; + } + return { + hash, + page, + rotation: this.linkService.rotation + }; + } + _updateViewarea({ + location + }) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._position = { + hash: location.pdfOpenParams.substring(1), + page: this.linkService.page, + first: location.pageNumber, + rotation: location.rotation + }; + if (this._popStateInProgress) { + return; + } + if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) { + this._numPositionUpdates++; + } + if (UPDATE_VIEWAREA_TIMEOUT > 0) { + this._updateViewareaTimeout = setTimeout(() => { + if (!this._popStateInProgress) { + this._tryPushCurrentPosition(true); + } + this._updateViewareaTimeout = null; + }, UPDATE_VIEWAREA_TIMEOUT); + } + } + _popState({ + state + }) { + const newHash = getCurrentHash(), + hashChanged = this._currentHash !== newHash; + this._currentHash = newHash; + if (!state) { + this._uid++; + const { + hash, + page, + rotation + } = this._parseCurrentHash(); + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + if (!this._isValidState(state)) { + return; + } + this._popStateInProgress = true; + if (hashChanged) { + this._blockHashChange++; + waitOnEventOrTimeout({ + target: window, + name: "hashchange", + delay: HASH_CHANGE_TIMEOUT + }).then(() => { + this._blockHashChange--; + }); + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if (isValidRotation(destination.rotation)) { + this.linkService.rotation = destination.rotation; + } + if (destination.dest) { + this.linkService.goToDestination(destination.dest); + } else if (destination.hash) { + this.linkService.setHash(destination.hash); + } else if (destination.page) { + this.linkService.page = destination.page; + } + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + _pageHide() { + if (!this._destination || this._destination.temporary) { + this._tryPushCurrentPosition(); + } + } + _bindEvents() { + if (this._boundEvents) { + return; + } + this._boundEvents = { + updateViewarea: this._updateViewarea.bind(this), + popState: this._popState.bind(this), + pageHide: this._pageHide.bind(this) + }; + this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea); + window.addEventListener("popstate", this._boundEvents.popState); + window.addEventListener("pagehide", this._boundEvents.pageHide); + } + _unbindEvents() { + if (!this._boundEvents) { + return; + } + this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea); + window.removeEventListener("popstate", this._boundEvents.popState); + window.removeEventListener("pagehide", this._boundEvents.pageHide); + this._boundEvents = null; + } +} +function isDestHashesEqual(destHash, pushHash) { + if (typeof destHash !== "string" || typeof pushHash !== "string") { + return false; + } + if (destHash === pushHash) { + return true; + } + const nameddest = parseQueryString(destHash).get("nameddest"); + if (nameddest === pushHash) { + return true; + } + return false; +} +function isDestArraysEqual(firstDest, secondDest) { + function isEntryEqual(first, second) { + if (typeof first !== typeof second) { + return false; + } + if (Array.isArray(first) || Array.isArray(second)) { + return false; + } + if (first !== null && typeof first === "object" && second !== null) { + if (Object.keys(first).length !== Object.keys(second).length) { + return false; + } + for (const key in first) { + if (!isEntryEqual(first[key], second[key])) { + return false; + } + } + return true; + } + return first === second || Number.isNaN(first) && Number.isNaN(second); + } + if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) { + return false; + } + if (firstDest.length !== secondDest.length) { + return false; + } + for (let i = 0, ii = firstDest.length; i < ii; i++) { + if (!isEntryEqual(firstDest[i], secondDest[i])) { + return false; + } + } + return true; +} + +;// CONCATENATED MODULE: ./web/xfa_layer_builder.js + +class XfaLayerBuilder { + constructor({ + pdfPage, + annotationStorage = null, + linkService, + xfaHtml = null + }) { + this.pdfPage = pdfPage; + this.annotationStorage = annotationStorage; + this.linkService = linkService; + this.xfaHtml = xfaHtml; + this.div = null; + this._cancelled = false; + } + async render(viewport, intent = "display") { + if (intent === "print") { + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml: this.xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + this.div = document.createElement("div"); + parameters.div = this.div; + return XfaLayer.render(parameters); + } + const xfaHtml = await this.pdfPage.getXfa(); + if (this._cancelled || !xfaHtml) { + return { + textDivs: [] + }; + } + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + if (this.div) { + return XfaLayer.update(parameters); + } + this.div = document.createElement("div"); + parameters.div = this.div; + return XfaLayer.render(parameters); + } + cancel() { + this._cancelled = true; + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } +} + +;// CONCATENATED MODULE: ./web/print_utils.js + + + +function getXfaHtmlForPrinting(printContainer, pdfDocument) { + const xfaHtml = pdfDocument.allXfaHtml; + const linkService = new SimpleLinkService(); + const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100; + for (const xfaPage of xfaHtml.children) { + const page = document.createElement("div"); + page.className = "xfaPrintedPage"; + printContainer.append(page); + const builder = new XfaLayerBuilder({ + pdfPage: null, + annotationStorage: pdfDocument.annotationStorage, + linkService, + xfaHtml: xfaPage + }); + const viewport = getXfaPageViewport(xfaPage, { + scale + }); + builder.render(viewport, "print"); + page.append(builder.div); + } +} + +;// CONCATENATED MODULE: ./web/firefox_print_service.js + + +function composePage(pdfDocument, pageNumber, size, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { + const canvas = document.createElement("canvas"); + const PRINT_UNITS = printResolution / PixelsPerInch.PDF; + canvas.width = Math.floor(size.width * PRINT_UNITS); + canvas.height = Math.floor(size.height * PRINT_UNITS); + const canvasWrapper = document.createElement("div"); + canvasWrapper.className = "printedPage"; + canvasWrapper.append(canvas); + printContainer.append(canvasWrapper); + let currentRenderTask = null; + canvas.mozPrintCallback = function (obj) { + const ctx = obj.context; + ctx.save(); + ctx.fillStyle = "rgb(255, 255, 255)"; + ctx.fillRect(0, 0, canvas.width, canvas.height); + ctx.restore(); + let thisRenderTask = null; + Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) { + if (currentRenderTask) { + currentRenderTask.cancel(); + currentRenderTask = null; + } + const renderContext = { + canvasContext: ctx, + transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0], + viewport: pdfPage.getViewport({ + scale: 1, + rotation: size.rotation + }), + intent: "print", + annotationMode: AnnotationMode.ENABLE_STORAGE, + optionalContentConfigPromise, + printAnnotationStorage + }; + currentRenderTask = thisRenderTask = pdfPage.render(renderContext); + return thisRenderTask.promise; + }).then(function () { + if (currentRenderTask === thisRenderTask) { + currentRenderTask = null; + } + obj.done(); + }, function (reason) { + if (!(reason instanceof RenderingCancelledException)) { + console.error(reason); + } + if (currentRenderTask === thisRenderTask) { + currentRenderTask.cancel(); + currentRenderTask = null; + } + if ("abort" in obj) { + obj.abort(); + } else { + obj.done(); + } + }); + }; +} +class FirefoxPrintService { + constructor({ + pdfDocument, + pagesOverview, + printContainer, + printResolution, + optionalContentConfigPromise = null, + printAnnotationStoragePromise = null + }) { + this.pdfDocument = pdfDocument; + this.pagesOverview = pagesOverview; + this.printContainer = printContainer; + this._printResolution = printResolution || 150; + this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig(); + this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve(); + } + layout() { + const { + pdfDocument, + pagesOverview, + printContainer, + _printResolution, + _optionalContentConfigPromise, + _printAnnotationStoragePromise + } = this; + const body = document.querySelector("body"); + body.setAttribute("data-pdfjsprinting", true); + const { + width, + height + } = this.pagesOverview[0]; + const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height); + if (!hasEqualPageSizes) { + console.warn("Not all pages have the same size. The printed result may be incorrect!"); + } + this.pageStyleSheet = document.createElement("style"); + this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`; + body.append(this.pageStyleSheet); + if (pdfDocument.isPureXfa) { + getXfaHtmlForPrinting(printContainer, pdfDocument); + return; + } + for (let i = 0, ii = pagesOverview.length; i < ii; ++i) { + composePage(pdfDocument, i + 1, pagesOverview[i], printContainer, _printResolution, _optionalContentConfigPromise, _printAnnotationStoragePromise); + } + } + destroy() { + this.printContainer.textContent = ""; + const body = document.querySelector("body"); + body.removeAttribute("data-pdfjsprinting"); + if (this.pageStyleSheet) { + this.pageStyleSheet.remove(); + this.pageStyleSheet = null; + } + } +} +class PDFPrintServiceFactory { + static get supportsPrinting() { + const canvas = document.createElement("canvas"); + return shadow(this, "supportsPrinting", "mozPrintCallback" in canvas); + } + static createPrintService(params) { + return new FirefoxPrintService(params); + } +} + +;// CONCATENATED MODULE: ./web/pdf_rendering_queue.js + + +const CLEANUP_TIMEOUT = 30000; +class PDFRenderingQueue { + constructor() { + this.pdfViewer = null; + this.pdfThumbnailViewer = null; + this.onIdle = null; + this.highestPriorityPage = null; + this.idleTimeout = null; + this.printing = false; + this.isThumbnailViewEnabled = false; + } + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + setThumbnailViewer(pdfThumbnailViewer) { + this.pdfThumbnailViewer = pdfThumbnailViewer; + } + isHighestPriority(view) { + return this.highestPriorityPage === view.renderingId; + } + renderHighestPriority(currentlyVisiblePages) { + if (this.idleTimeout) { + clearTimeout(this.idleTimeout); + this.idleTimeout = null; + } + if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { + return; + } + if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) { + return; + } + if (this.printing) { + return; + } + if (this.onIdle) { + this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT); + } + } + getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) { + const visibleViews = visible.views, + numVisible = visibleViews.length; + if (numVisible === 0) { + return null; + } + for (let i = 0; i < numVisible; i++) { + const view = visibleViews[i].view; + if (!this.isViewFinished(view)) { + return view; + } + } + const firstId = visible.first.id, + lastId = visible.last.id; + if (lastId - firstId + 1 > numVisible) { + const visibleIds = visible.ids; + for (let i = 1, ii = lastId - firstId; i < ii; i++) { + const holeId = scrolledDown ? firstId + i : lastId - i; + if (visibleIds.has(holeId)) { + continue; + } + const holeView = views[holeId - 1]; + if (!this.isViewFinished(holeView)) { + return holeView; + } + } + } + let preRenderIndex = scrolledDown ? lastId : firstId - 2; + let preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + if (preRenderExtra) { + preRenderIndex += scrolledDown ? 1 : -1; + preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + } + return null; + } + isViewFinished(view) { + return view.renderingState === RenderingStates.FINISHED; + } + renderView(view) { + switch (view.renderingState) { + case RenderingStates.FINISHED: + return false; + case RenderingStates.PAUSED: + this.highestPriorityPage = view.renderingId; + view.resume(); + break; + case RenderingStates.RUNNING: + this.highestPriorityPage = view.renderingId; + break; + case RenderingStates.INITIAL: + this.highestPriorityPage = view.renderingId; + view.draw().finally(() => { + this.renderHighestPriority(); + }).catch(reason => { + if (reason instanceof RenderingCancelledException) { + return; + } + console.error(`renderView: "${reason}"`); + }); + break; + } + return true; + } +} + +;// CONCATENATED MODULE: ./web/pdf_scripting_manager.js + + +class PDFScriptingManager { + #closeCapability = null; + #destroyCapability = null; + #docProperties = null; + #eventBus = null; + #externalServices = null; + #pdfDocument = null; + #pdfViewer = null; + #ready = false; + #scripting = null; + #willPrintCapability = null; + constructor({ + eventBus, + externalServices = null, + docProperties = null + }) { + this.#eventBus = eventBus; + this.#externalServices = externalServices; + this.#docProperties = docProperties; + } + setViewer(pdfViewer) { + this.#pdfViewer = pdfViewer; + } + async setDocument(pdfDocument) { + if (this.#pdfDocument) { + await this.#destroyScripting(); + } + this.#pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]); + if (!objects && !docActions) { + await this.#destroyScripting(); + return; + } + if (pdfDocument !== this.#pdfDocument) { + return; + } + try { + this.#scripting = this.#initScripting(); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + this._internalEvents.set("updatefromsandbox", event => { + if (event?.source === window) { + this.#updateFromSandbox(event.detail); + } + }); + this._internalEvents.set("dispatcheventinsandbox", event => { + this.#scripting?.dispatchEventInSandbox(event.detail); + }); + this._internalEvents.set("pagechanging", ({ + pageNumber, + previous + }) => { + if (pageNumber === previous) { + return; + } + this.#dispatchPageClose(previous); + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagerendered", ({ + pageNumber + }) => { + if (!this._pageOpenPending.has(pageNumber)) { + return; + } + if (pageNumber !== this.#pdfViewer.currentPageNumber) { + return; + } + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagesdestroy", async () => { + await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber); + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillClose" + }); + this.#closeCapability?.resolve(); + }); + for (const [name, listener] of this._internalEvents) { + this.#eventBus._on(name, listener); + } + try { + const docProperties = await this.#docProperties(pdfDocument); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting.createSandbox({ + objects, + calculationOrder, + appInfo: { + platform: navigator.platform, + language: navigator.language + }, + docInfo: { + ...docProperties, + actions: docActions + } + }); + this.#eventBus.dispatch("sandboxcreated", { + source: this + }); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "Open" + }); + await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true); + Promise.resolve().then(() => { + if (pdfDocument === this.#pdfDocument) { + this.#ready = true; + } + }); + } + async dispatchWillSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillSave" + }); + } + async dispatchDidSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidSave" + }); + } + async dispatchWillPrint() { + if (!this.#scripting) { + return; + } + await this.#willPrintCapability?.promise; + this.#willPrintCapability = new PromiseCapability(); + try { + await this.#scripting.dispatchEventInSandbox({ + id: "doc", + name: "WillPrint" + }); + } catch (ex) { + this.#willPrintCapability.resolve(); + this.#willPrintCapability = null; + throw ex; + } + await this.#willPrintCapability.promise; + } + async dispatchDidPrint() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidPrint" + }); + } + get destroyPromise() { + return this.#destroyCapability?.promise || null; + } + get ready() { + return this.#ready; + } + get _internalEvents() { + return shadow(this, "_internalEvents", new Map()); + } + get _pageOpenPending() { + return shadow(this, "_pageOpenPending", new Set()); + } + get _visitedPages() { + return shadow(this, "_visitedPages", new Map()); + } + async #updateFromSandbox(detail) { + const pdfViewer = this.#pdfViewer; + const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode; + const { + id, + siblings, + command, + value + } = detail; + if (!id) { + switch (command) { + case "clear": + console.clear(); + break; + case "error": + console.error(value); + break; + case "layout": + if (!isInPresentationMode) { + const modes = apiPageLayoutToViewerModes(value); + pdfViewer.spreadMode = modes.spreadMode; + } + break; + case "page-num": + pdfViewer.currentPageNumber = value + 1; + break; + case "print": + await pdfViewer.pagesPromise; + this.#eventBus.dispatch("print", { + source: this + }); + break; + case "println": + console.log(value); + break; + case "zoom": + if (!isInPresentationMode) { + pdfViewer.currentScaleValue = value; + } + break; + case "SaveAs": + this.#eventBus.dispatch("download", { + source: this + }); + break; + case "FirstPage": + pdfViewer.currentPageNumber = 1; + break; + case "LastPage": + pdfViewer.currentPageNumber = pdfViewer.pagesCount; + break; + case "NextPage": + pdfViewer.nextPage(); + break; + case "PrevPage": + pdfViewer.previousPage(); + break; + case "ZoomViewIn": + if (!isInPresentationMode) { + pdfViewer.increaseScale(); + } + break; + case "ZoomViewOut": + if (!isInPresentationMode) { + pdfViewer.decreaseScale(); + } + break; + case "WillPrintFinished": + this.#willPrintCapability?.resolve(); + this.#willPrintCapability = null; + break; + } + return; + } + if (isInPresentationMode && detail.focus) { + return; + } + delete detail.id; + delete detail.siblings; + const ids = siblings ? [id, ...siblings] : [id]; + for (const elementId of ids) { + const element = document.querySelector(`[data-element-id="${elementId}"]`); + if (element) { + element.dispatchEvent(new CustomEvent("updatefromsandbox", { + detail + })); + } else { + this.#pdfDocument?.annotationStorage.setValue(elementId, detail); + } + } + } + async #dispatchPageOpen(pageNumber, initialize = false) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (initialize) { + this.#closeCapability = new PromiseCapability(); + } + if (!this.#closeCapability) { + return; + } + const pageView = this.#pdfViewer.getPageView(pageNumber - 1); + if (pageView?.renderingState !== RenderingStates.FINISHED) { + this._pageOpenPending.add(pageNumber); + return; + } + this._pageOpenPending.delete(pageNumber); + const actionsPromise = (async () => { + const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageOpen", + pageNumber, + actions + }); + })(); + visitedPages.set(pageNumber, actionsPromise); + } + async #dispatchPageClose(pageNumber) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (!this.#closeCapability) { + return; + } + if (this._pageOpenPending.has(pageNumber)) { + return; + } + const actionsPromise = visitedPages.get(pageNumber); + if (!actionsPromise) { + return; + } + visitedPages.set(pageNumber, null); + await actionsPromise; + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageClose", + pageNumber + }); + } + #initScripting() { + this.#destroyCapability = new PromiseCapability(); + if (this.#scripting) { + throw new Error("#initScripting: Scripting already exists."); + } + return this.#externalServices.createScripting(); + } + async #destroyScripting() { + if (!this.#scripting) { + this.#pdfDocument = null; + this.#destroyCapability?.resolve(); + return; + } + if (this.#closeCapability) { + await Promise.race([this.#closeCapability.promise, new Promise(resolve => { + setTimeout(resolve, 1000); + })]).catch(() => {}); + this.#closeCapability = null; + } + this.#pdfDocument = null; + try { + await this.#scripting.destroySandbox(); + } catch {} + this.#willPrintCapability?.reject(new Error("Scripting destroyed.")); + this.#willPrintCapability = null; + for (const [name, listener] of this._internalEvents) { + this.#eventBus._off(name, listener); + } + this._internalEvents.clear(); + this._pageOpenPending.clear(); + this._visitedPages.clear(); + this.#scripting = null; + this.#ready = false; + this.#destroyCapability?.resolve(); + } +} + +;// CONCATENATED MODULE: ./web/annotation_editor_layer_builder.js + + +class AnnotationEditorLayerBuilder { + #annotationLayer = null; + #drawLayer = null; + #textLayer = null; + #uiManager; + constructor(options) { + this.pageDiv = options.pageDiv; + this.pdfPage = options.pdfPage; + this.accessibilityManager = options.accessibilityManager; + this.l10n = options.l10n; + this.annotationEditorLayer = null; + this.div = null; + this._cancelled = false; + this.#uiManager = options.uiManager; + this.#annotationLayer = options.annotationLayer || null; + this.#textLayer = options.textLayer || null; + this.#drawLayer = options.drawLayer || null; + } + async render(viewport, intent = "display") { + if (intent !== "display") { + return; + } + if (this._cancelled) { + return; + } + const clonedViewport = viewport.clone({ + dontFlip: true + }); + if (this.div) { + this.annotationEditorLayer.update({ + viewport: clonedViewport + }); + this.show(); + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationEditorLayer"; + div.tabIndex = 0; + div.hidden = true; + div.dir = this.#uiManager.direction; + this.pageDiv.append(div); + this.annotationEditorLayer = new AnnotationEditorLayer({ + uiManager: this.#uiManager, + div, + accessibilityManager: this.accessibilityManager, + pageIndex: this.pdfPage.pageNumber - 1, + l10n: this.l10n, + viewport: clonedViewport, + annotationLayer: this.#annotationLayer, + textLayer: this.#textLayer, + drawLayer: this.#drawLayer + }); + const parameters = { + viewport: clonedViewport, + div, + annotations: null, + intent + }; + this.annotationEditorLayer.render(parameters); + this.show(); + } + cancel() { + this._cancelled = true; + if (!this.div) { + return; + } + this.pageDiv = null; + this.annotationEditorLayer.destroy(); + this.div.remove(); + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + show() { + if (!this.div || this.annotationEditorLayer.isEmpty) { + return; + } + this.div.hidden = false; + } +} + +;// CONCATENATED MODULE: ./web/annotation_layer_builder.js + + +class AnnotationLayerBuilder { + #onPresentationModeChanged = null; + constructor({ + pageDiv, + pdfPage, + linkService, + downloadManager, + annotationStorage = null, + imageResourcesPath = "", + renderForms = true, + enableScripting = false, + hasJSActionsPromise = null, + fieldObjectsPromise = null, + annotationCanvasMap = null, + accessibilityManager = null + }) { + this.pageDiv = pageDiv; + this.pdfPage = pdfPage; + this.linkService = linkService; + this.downloadManager = downloadManager; + this.imageResourcesPath = imageResourcesPath; + this.renderForms = renderForms; + this.annotationStorage = annotationStorage; + this.enableScripting = enableScripting; + this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false); + this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null); + this._annotationCanvasMap = annotationCanvasMap; + this._accessibilityManager = accessibilityManager; + this.annotationLayer = null; + this.div = null; + this._cancelled = false; + this._eventBus = linkService.eventBus; + } + async render(viewport, intent = "display") { + if (this.div) { + if (this._cancelled || !this.annotationLayer) { + return; + } + this.annotationLayer.update({ + viewport: viewport.clone({ + dontFlip: true + }) + }); + return; + } + const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({ + intent + }), this._hasJSActionsPromise, this._fieldObjectsPromise]); + if (this._cancelled) { + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationLayer"; + this.pageDiv.append(div); + if (annotations.length === 0) { + this.hide(); + return; + } + this.annotationLayer = new AnnotationLayer({ + div, + accessibilityManager: this._accessibilityManager, + annotationCanvasMap: this._annotationCanvasMap, + page: this.pdfPage, + viewport: viewport.clone({ + dontFlip: true + }) + }); + await this.annotationLayer.render({ + annotations, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.renderForms, + linkService: this.linkService, + downloadManager: this.downloadManager, + annotationStorage: this.annotationStorage, + enableScripting: this.enableScripting, + hasJSActions, + fieldObjects + }); + if (this.linkService.isInPresentationMode) { + this.#updatePresentationModeState(PresentationModeState.FULLSCREEN); + } + if (!this.#onPresentationModeChanged) { + this.#onPresentationModeChanged = evt => { + this.#updatePresentationModeState(evt.state); + }; + this._eventBus?._on("presentationmodechanged", this.#onPresentationModeChanged); + } + } + cancel() { + this._cancelled = true; + if (this.#onPresentationModeChanged) { + this._eventBus?._off("presentationmodechanged", this.#onPresentationModeChanged); + this.#onPresentationModeChanged = null; + } + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + #updatePresentationModeState(state) { + if (!this.div) { + return; + } + let disableFormElements = false; + switch (state) { + case PresentationModeState.FULLSCREEN: + disableFormElements = true; + break; + case PresentationModeState.NORMAL: + break; + default: + return; + } + for (const section of this.div.childNodes) { + if (section.hasAttribute("data-internal-link")) { + continue; + } + section.inert = disableFormElements; + } + } +} + +;// CONCATENATED MODULE: ./web/draw_layer_builder.js + +class DrawLayerBuilder { + #drawLayer = null; + constructor(options) { + this.pageIndex = options.pageIndex; + } + async render(intent = "display") { + if (intent !== "display" || this.#drawLayer || this._cancelled) { + return; + } + this.#drawLayer = new DrawLayer({ + pageIndex: this.pageIndex + }); + } + cancel() { + this._cancelled = true; + if (!this.#drawLayer) { + return; + } + this.#drawLayer.destroy(); + this.#drawLayer = null; + } + setParent(parent) { + this.#drawLayer?.setParent(parent); + } + getDrawLayer() { + return this.#drawLayer; + } +} + +;// CONCATENATED MODULE: ./web/struct_tree_layer_builder.js + +const PDF_ROLE_TO_HTML_ROLE = { + Document: null, + DocumentFragment: null, + Part: "group", + Sect: "group", + Div: "group", + Aside: "note", + NonStruct: "none", + P: null, + H: "heading", + Title: null, + FENote: "note", + Sub: "group", + Lbl: null, + Span: null, + Em: null, + Strong: null, + Link: "link", + Annot: "note", + Form: "form", + Ruby: null, + RB: null, + RT: null, + RP: null, + Warichu: null, + WT: null, + WP: null, + L: "list", + LI: "listitem", + LBody: null, + Table: "table", + TR: "row", + TH: "columnheader", + TD: "cell", + THead: "columnheader", + TBody: null, + TFoot: null, + Caption: null, + Figure: "figure", + Formula: null, + Artifact: null +}; +const HEADING_PATTERN = /^H(\d+)$/; +class StructTreeLayerBuilder { + #treeDom = undefined; + get renderingDone() { + return this.#treeDom !== undefined; + } + render(structTree) { + if (this.#treeDom !== undefined) { + return this.#treeDom; + } + const treeDom = this.#walk(structTree); + treeDom?.classList.add("structTree"); + return this.#treeDom = treeDom; + } + hide() { + if (this.#treeDom && !this.#treeDom.hidden) { + this.#treeDom.hidden = true; + } + } + show() { + if (this.#treeDom?.hidden) { + this.#treeDom.hidden = false; + } + } + #setAttributes(structElement, htmlElement) { + const { + alt, + id, + lang + } = structElement; + if (alt !== undefined) { + htmlElement.setAttribute("aria-label", removeNullCharacters(alt)); + } + if (id !== undefined) { + htmlElement.setAttribute("aria-owns", id); + } + if (lang !== undefined) { + htmlElement.setAttribute("lang", removeNullCharacters(lang, true)); + } + } + #walk(node) { + if (!node) { + return null; + } + const element = document.createElement("span"); + if ("role" in node) { + const { + role + } = node; + const match = role.match(HEADING_PATTERN); + if (match) { + element.setAttribute("role", "heading"); + element.setAttribute("aria-level", match[1]); + } else if (PDF_ROLE_TO_HTML_ROLE[role]) { + element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]); + } + } + this.#setAttributes(node, element); + if (node.children) { + if (node.children.length === 1 && "id" in node.children[0]) { + this.#setAttributes(node.children[0], element); + } else { + for (const kid of node.children) { + element.append(this.#walk(kid)); + } + } + } + return element; + } +} + +;// CONCATENATED MODULE: ./web/text_accessibility.js + +class TextAccessibilityManager { + #enabled = false; + #textChildren = null; + #textNodes = new Map(); + #waitingElements = new Map(); + setTextMapping(textDivs) { + this.#textChildren = textDivs; + } + static #compareElementPositions(e1, e2) { + const rect1 = e1.getBoundingClientRect(); + const rect2 = e2.getBoundingClientRect(); + if (rect1.width === 0 && rect1.height === 0) { + return +1; + } + if (rect2.width === 0 && rect2.height === 0) { + return -1; + } + const top1 = rect1.y; + const bot1 = rect1.y + rect1.height; + const mid1 = rect1.y + rect1.height / 2; + const top2 = rect2.y; + const bot2 = rect2.y + rect2.height; + const mid2 = rect2.y + rect2.height / 2; + if (mid1 <= top2 && mid2 >= bot1) { + return -1; + } + if (mid2 <= top1 && mid1 >= bot2) { + return +1; + } + const centerX1 = rect1.x + rect1.width / 2; + const centerX2 = rect2.x + rect2.width / 2; + return centerX1 - centerX2; + } + enable() { + if (this.#enabled) { + throw new Error("TextAccessibilityManager is already enabled."); + } + if (!this.#textChildren) { + throw new Error("Text divs and strings have not been set."); + } + this.#enabled = true; + this.#textChildren = this.#textChildren.slice(); + this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions); + if (this.#textNodes.size > 0) { + const textChildren = this.#textChildren; + for (const [id, nodeIndex] of this.#textNodes) { + const element = document.getElementById(id); + if (!element) { + this.#textNodes.delete(id); + continue; + } + this.#addIdToAriaOwns(id, textChildren[nodeIndex]); + } + } + for (const [element, isRemovable] of this.#waitingElements) { + this.addPointerInTextLayer(element, isRemovable); + } + this.#waitingElements.clear(); + } + disable() { + if (!this.#enabled) { + return; + } + this.#waitingElements.clear(); + this.#textChildren = null; + this.#enabled = false; + } + removePointerInTextLayer(element) { + if (!this.#enabled) { + this.#waitingElements.delete(element); + return; + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return; + } + const { + id + } = element; + const nodeIndex = this.#textNodes.get(id); + if (nodeIndex === undefined) { + return; + } + const node = children[nodeIndex]; + this.#textNodes.delete(id); + let owns = node.getAttribute("aria-owns"); + if (owns?.includes(id)) { + owns = owns.split(" ").filter(x => x !== id).join(" "); + if (owns) { + node.setAttribute("aria-owns", owns); + } else { + node.removeAttribute("aria-owns"); + node.setAttribute("role", "presentation"); + } + } + } + #addIdToAriaOwns(id, node) { + const owns = node.getAttribute("aria-owns"); + if (!owns?.includes(id)) { + node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id); + } + node.removeAttribute("role"); + } + addPointerInTextLayer(element, isRemovable) { + const { + id + } = element; + if (!id) { + return null; + } + if (!this.#enabled) { + this.#waitingElements.set(element, isRemovable); + return null; + } + if (isRemovable) { + this.removePointerInTextLayer(element); + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return null; + } + const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0); + const nodeIndex = Math.max(0, index - 1); + const child = children[nodeIndex]; + this.#addIdToAriaOwns(id, child); + this.#textNodes.set(id, nodeIndex); + const parent = child.parentNode; + return parent?.classList.contains("markedContent") ? parent.id : null; + } + moveElementInDOM(container, element, contentElement, isRemovable) { + const id = this.addPointerInTextLayer(contentElement, isRemovable); + if (!container.hasChildNodes()) { + container.append(element); + return id; + } + const children = Array.from(container.childNodes).filter(node => node !== element); + if (children.length === 0) { + return id; + } + const elementToCompare = contentElement || element; + const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0); + if (index === 0) { + children[0].before(element); + } else { + children[index - 1].after(element); + } + return id; + } +} + +;// CONCATENATED MODULE: ./web/text_highlighter.js +class TextHighlighter { + constructor({ + findController, + eventBus, + pageIndex + }) { + this.findController = findController; + this.matches = []; + this.eventBus = eventBus; + this.pageIdx = pageIndex; + this._onUpdateTextLayerMatches = null; + this.textDivs = null; + this.textContentItemsStr = null; + this.enabled = false; + } + setTextMapping(divs, texts) { + this.textDivs = divs; + this.textContentItemsStr = texts; + } + enable() { + if (!this.textDivs || !this.textContentItemsStr) { + throw new Error("Text divs and strings have not been set."); + } + if (this.enabled) { + throw new Error("TextHighlighter is already enabled."); + } + this.enabled = true; + if (!this._onUpdateTextLayerMatches) { + this._onUpdateTextLayerMatches = evt => { + if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) { + this._updateMatches(); + } + }; + this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches); + } + this._updateMatches(); + } + disable() { + if (!this.enabled) { + return; + } + this.enabled = false; + if (this._onUpdateTextLayerMatches) { + this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches); + this._onUpdateTextLayerMatches = null; + } + this._updateMatches(true); + } + _convertMatches(matches, matchesLength) { + if (!matches) { + return []; + } + const { + textContentItemsStr + } = this; + let i = 0, + iIndex = 0; + const end = textContentItemsStr.length - 1; + const result = []; + for (let m = 0, mm = matches.length; m < mm; m++) { + let matchIdx = matches[m]; + while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + if (i === textContentItemsStr.length) { + console.error("Could not find a matching mapping"); + } + const match = { + begin: { + divIdx: i, + offset: matchIdx - iIndex + } + }; + matchIdx += matchesLength[m]; + while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + match.end = { + divIdx: i, + offset: matchIdx - iIndex + }; + result.push(match); + } + return result; + } + _renderMatches(matches) { + if (matches.length === 0) { + return; + } + const { + findController, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + const isSelectedPage = pageIdx === findController.selected.pageIdx; + const selectedMatchIdx = findController.selected.matchIdx; + const highlightAll = findController.state.highlightAll; + let prevEnd = null; + const infinity = { + divIdx: -1, + offset: undefined + }; + function beginText(begin, className) { + const divIdx = begin.divIdx; + textDivs[divIdx].textContent = ""; + return appendTextToDiv(divIdx, 0, begin.offset, className); + } + function appendTextToDiv(divIdx, fromOffset, toOffset, className) { + let div = textDivs[divIdx]; + if (div.nodeType === Node.TEXT_NODE) { + const span = document.createElement("span"); + div.before(span); + span.append(div); + textDivs[divIdx] = span; + div = span; + } + const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset); + const node = document.createTextNode(content); + if (className) { + const span = document.createElement("span"); + span.className = `${className} appended`; + span.append(node); + div.append(span); + return className.includes("selected") ? span.offsetLeft : 0; + } + div.append(node); + return 0; + } + let i0 = selectedMatchIdx, + i1 = i0 + 1; + if (highlightAll) { + i0 = 0; + i1 = matches.length; + } else if (!isSelectedPage) { + return; + } + let lastDivIdx = -1; + let lastOffset = -1; + for (let i = i0; i < i1; i++) { + const match = matches[i]; + const begin = match.begin; + if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) { + continue; + } + lastDivIdx = begin.divIdx; + lastOffset = begin.offset; + const end = match.end; + const isSelected = isSelectedPage && i === selectedMatchIdx; + const highlightSuffix = isSelected ? " selected" : ""; + let selectedLeft = 0; + if (!prevEnd || begin.divIdx !== prevEnd.divIdx) { + if (prevEnd !== null) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + beginText(begin); + } else { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset); + } + if (begin.divIdx === end.divIdx) { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix); + } else { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix); + for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) { + textDivs[n0].className = "highlight middle" + highlightSuffix; + } + beginText(end, "highlight end" + highlightSuffix); + } + prevEnd = end; + if (isSelected) { + findController.scrollMatchIntoView({ + element: textDivs[begin.divIdx], + selectedLeft, + pageIndex: pageIdx, + matchIndex: selectedMatchIdx + }); + } + } + if (prevEnd) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + } + _updateMatches(reset = false) { + if (!this.enabled && !reset) { + return; + } + const { + findController, + matches, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + let clearedUntilDivIdx = -1; + for (const match of matches) { + const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx); + for (let n = begin, end = match.end.divIdx; n <= end; n++) { + const div = textDivs[n]; + div.textContent = textContentItemsStr[n]; + div.className = ""; + } + clearedUntilDivIdx = match.end.divIdx + 1; + } + if (!findController?.highlightMatches || reset) { + return; + } + const pageMatches = findController.pageMatches[pageIdx] || null; + const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null; + this.matches = this._convertMatches(pageMatches, pageMatchesLength); + this._renderMatches(this.matches); + } +} + +;// CONCATENATED MODULE: ./web/text_layer_builder.js + + +class TextLayerBuilder { + #enablePermissions = false; + #rotation = 0; + #scale = 0; + #textContentSource = null; + constructor({ + highlighter = null, + accessibilityManager = null, + enablePermissions = false + }) { + this.textContentItemsStr = []; + this.renderingDone = false; + this.textDivs = []; + this.textDivProperties = new WeakMap(); + this.textLayerRenderTask = null; + this.highlighter = highlighter; + this.accessibilityManager = accessibilityManager; + this.#enablePermissions = enablePermissions === true; + this.onAppend = null; + this.div = document.createElement("div"); + this.div.className = "textLayer"; + } + #finishRendering() { + this.renderingDone = true; + const endOfContent = document.createElement("div"); + endOfContent.className = "endOfContent"; + this.div.append(endOfContent); + this.#bindMouse(); + } + get numTextDivs() { + return this.textDivs.length; + } + async render(viewport) { + if (!this.#textContentSource) { + throw new Error('No "textContentSource" parameter specified.'); + } + const scale = viewport.scale * (globalThis.devicePixelRatio || 1); + const { + rotation + } = viewport; + if (this.renderingDone) { + const mustRotate = rotation !== this.#rotation; + const mustRescale = scale !== this.#scale; + if (mustRotate || mustRescale) { + this.hide(); + updateTextLayer({ + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + mustRescale, + mustRotate + }); + this.#scale = scale; + this.#rotation = rotation; + } + this.show(); + return; + } + this.cancel(); + this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr); + this.accessibilityManager?.setTextMapping(this.textDivs); + this.textLayerRenderTask = renderTextLayer({ + textContentSource: this.#textContentSource, + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + textContentItemsStr: this.textContentItemsStr + }); + await this.textLayerRenderTask.promise; + this.#finishRendering(); + this.#scale = scale; + this.#rotation = rotation; + this.onAppend(this.div); + this.highlighter?.enable(); + this.accessibilityManager?.enable(); + } + hide() { + if (!this.div.hidden && this.renderingDone) { + this.highlighter?.disable(); + this.div.hidden = true; + } + } + show() { + if (this.div.hidden && this.renderingDone) { + this.div.hidden = false; + this.highlighter?.enable(); + } + } + cancel() { + if (this.textLayerRenderTask) { + this.textLayerRenderTask.cancel(); + this.textLayerRenderTask = null; + } + this.highlighter?.disable(); + this.accessibilityManager?.disable(); + this.textContentItemsStr.length = 0; + this.textDivs.length = 0; + this.textDivProperties = new WeakMap(); + } + setTextContentSource(source) { + this.cancel(); + this.#textContentSource = source; + } + #bindMouse() { + const { + div + } = this; + div.addEventListener("mousedown", evt => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + end.classList.add("active"); + }); + div.addEventListener("mouseup", () => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + end.classList.remove("active"); + }); + div.addEventListener("copy", event => { + if (!this.#enablePermissions) { + const selection = document.getSelection(); + event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString()))); + } + event.preventDefault(); + event.stopPropagation(); + }); + } +} + +;// CONCATENATED MODULE: ./web/pdf_page_view.js + + + + + + + + + + + + + +const MAX_CANVAS_PIXELS = compatibilityParams.maxCanvasPixels || 16777216; +const DEFAULT_LAYER_PROPERTIES = null; +class PDFPageView { + #annotationMode = AnnotationMode.ENABLE_FORMS; + #hasRestrictedScaling = false; + #layerProperties = null; + #loadingId = null; + #previousRotation = null; + #renderError = null; + #renderingState = RenderingStates.INITIAL; + #textLayerMode = TextLayerMode.ENABLE; + #useThumbnailCanvas = { + directDrawing: true, + initialOptionalContent: true, + regularAnnotations: true + }; + #viewportMap = new WeakMap(); + constructor(options) { + const container = options.container; + const defaultViewport = options.defaultViewport; + this.id = options.id; + this.renderingId = "page" + this.id; + this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES; + this.pdfPage = null; + this.pageLabel = null; + this.rotation = 0; + this.scale = options.scale || DEFAULT_SCALE; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; + this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.maxCanvasPixels = options.maxCanvasPixels ?? MAX_CANVAS_PIXELS; + this.pageColors = options.pageColors || null; + this.eventBus = options.eventBus; + this.renderingQueue = options.renderingQueue; + this.l10n = options.l10n; + this.renderTask = null; + this.resume = null; + this._annotationCanvasMap = null; + this.annotationLayer = null; + this.annotationEditorLayer = null; + this.textLayer = null; + this.zoomLayer = null; + this.xfaLayer = null; + this.structTreeLayer = null; + this.drawLayer = null; + const div = document.createElement("div"); + div.className = "page"; + div.setAttribute("data-page-number", this.id); + div.setAttribute("role", "region"); + div.setAttribute("data-l10n-id", "pdfjs-page-landmark"); + div.setAttribute("data-l10n-args", JSON.stringify({ + page: this.id + })); + this.div = div; + this.#setDimensions(); + container?.append(div); + } + get renderingState() { + return this.#renderingState; + } + set renderingState(state) { + if (state === this.#renderingState) { + return; + } + this.#renderingState = state; + if (this.#loadingId) { + clearTimeout(this.#loadingId); + this.#loadingId = null; + } + switch (state) { + case RenderingStates.PAUSED: + this.div.classList.remove("loading"); + break; + case RenderingStates.RUNNING: + this.div.classList.add("loadingIcon"); + this.#loadingId = setTimeout(() => { + this.div.classList.add("loading"); + this.#loadingId = null; + }, 0); + break; + case RenderingStates.INITIAL: + case RenderingStates.FINISHED: + this.div.classList.remove("loadingIcon", "loading"); + break; + } + } + #setDimensions() { + const { + viewport + } = this; + if (this.pdfPage) { + if (this.#previousRotation === viewport.rotation) { + return; + } + this.#previousRotation = viewport.rotation; + } + setLayerDimensions(this.div, viewport, true, false); + } + setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport({ + scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + this.reset(); + } + destroy() { + this.reset(); + this.pdfPage?.cleanup(); + } + get _textHighlighter() { + return shadow(this, "_textHighlighter", new TextHighlighter({ + pageIndex: this.id - 1, + eventBus: this.eventBus, + findController: this.#layerProperties.findController + })); + } + async #renderAnnotationLayer() { + let error = null; + try { + await this.annotationLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderAnnotationEditorLayer() { + let error = null; + try { + await this.annotationEditorLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationEditorLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationeditorlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderDrawLayer() { + try { + await this.drawLayer.render("display"); + } catch (ex) { + console.error(`#renderDrawLayer: "${ex}".`); + } + } + async #renderXfaLayer() { + let error = null; + try { + const result = await this.xfaLayer.render(this.viewport, "display"); + if (result?.textDivs && this._textHighlighter) { + this.#buildXfaTextContentItems(result.textDivs); + } + } catch (ex) { + console.error(`#renderXfaLayer: "${ex}".`); + error = ex; + } finally { + if (this.xfaLayer?.div) { + this.l10n.pause(); + this.div.append(this.xfaLayer.div); + this.l10n.resume(); + } + this.eventBus.dispatch("xfalayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderTextLayer() { + const { + pdfPage, + textLayer, + viewport + } = this; + if (!textLayer) { + return; + } + let error = null; + try { + if (!textLayer.renderingDone) { + const readableStream = pdfPage.streamTextContent({ + includeMarkedContent: true, + disableNormalization: true + }); + textLayer.setTextContentSource(readableStream); + } + await textLayer.render(viewport); + } catch (ex) { + if (ex instanceof AbortException) { + return; + } + console.error(`#renderTextLayer: "${ex}".`); + error = ex; + } + this.eventBus.dispatch("textlayerrendered", { + source: this, + pageNumber: this.id, + numTextDivs: textLayer.numTextDivs, + error + }); + this.#renderStructTreeLayer(); + } + async #renderStructTreeLayer() { + if (!this.textLayer) { + return; + } + this.structTreeLayer ||= new StructTreeLayerBuilder(); + const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); + const treeDom = this.structTreeLayer?.render(tree); + if (treeDom) { + this.l10n.pause(); + this.canvas?.append(treeDom); + this.l10n.resume(); + } + this.structTreeLayer?.show(); + } + async #buildXfaTextContentItems(textDivs) { + const text = await this.pdfPage.getTextContent(); + const items = []; + for (const item of text.items) { + items.push(item.str); + } + this._textHighlighter.setTextMapping(textDivs, items); + this._textHighlighter.enable(); + } + _resetZoomLayer(removeFromDOM = false) { + if (!this.zoomLayer) { + return; + } + const zoomLayerCanvas = this.zoomLayer.firstChild; + this.#viewportMap.delete(zoomLayerCanvas); + zoomLayerCanvas.width = 0; + zoomLayerCanvas.height = 0; + if (removeFromDOM) { + this.zoomLayer.remove(); + } + this.zoomLayer = null; + } + reset({ + keepZoomLayer = false, + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false + } = {}) { + this.cancelRendering({ + keepAnnotationLayer, + keepAnnotationEditorLayer, + keepXfaLayer, + keepTextLayer + }); + this.renderingState = RenderingStates.INITIAL; + const div = this.div; + const childNodes = div.childNodes, + zoomLayerNode = keepZoomLayer && this.zoomLayer || null, + annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null, + annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null, + xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null, + textLayerNode = keepTextLayer && this.textLayer?.div || null; + for (let i = childNodes.length - 1; i >= 0; i--) { + const node = childNodes[i]; + switch (node) { + case zoomLayerNode: + case annotationLayerNode: + case annotationEditorLayerNode: + case xfaLayerNode: + case textLayerNode: + continue; + } + node.remove(); + } + div.removeAttribute("data-loaded"); + if (annotationLayerNode) { + this.annotationLayer.hide(); + } + if (annotationEditorLayerNode) { + this.annotationEditorLayer.hide(); + } + if (xfaLayerNode) { + this.xfaLayer.hide(); + } + if (textLayerNode) { + this.textLayer.hide(); + } + this.structTreeLayer?.hide(); + if (!zoomLayerNode) { + if (this.canvas) { + this.#viewportMap.delete(this.canvas); + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + } + this._resetZoomLayer(); + } + } + update({ + scale = 0, + rotation = null, + optionalContentConfigPromise = null, + drawingDelay = -1 + }) { + this.scale = scale || this.scale; + if (typeof rotation === "number") { + this.rotation = rotation; + } + if (optionalContentConfigPromise instanceof Promise) { + this._optionalContentConfigPromise = optionalContentConfigPromise; + optionalContentConfigPromise.then(optionalContentConfig => { + if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { + return; + } + this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; + }); + } + this.#useThumbnailCanvas.directDrawing = true; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + if (this.canvas) { + let onlyCssZoom = false; + if (this.#hasRestrictedScaling) { + if (this.maxCanvasPixels > 0) { + const { + width, + height + } = this.viewport; + const { + sx, + sy + } = this.outputScale; + onlyCssZoom = (Math.floor(width) * sx | 0) * (Math.floor(height) * sy | 0) > this.maxCanvasPixels; + } + } + const postponeDrawing = !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000; + if (postponeDrawing || onlyCssZoom) { + if (postponeDrawing && this.renderingState !== RenderingStates.FINISHED) { + this.cancelRendering({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true, + cancelExtraDelay: drawingDelay + }); + this.renderingState = RenderingStates.FINISHED; + this.#useThumbnailCanvas.directDrawing = false; + } + this.cssTransform({ + target: this.canvas, + redrawAnnotationLayer: true, + redrawAnnotationEditorLayer: true, + redrawXfaLayer: true, + redrawTextLayer: !postponeDrawing, + hideTextLayer: postponeDrawing + }); + if (postponeDrawing) { + return; + } + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: true, + timestamp: performance.now(), + error: this.#renderError + }); + return; + } + if (!this.zoomLayer && !this.canvas.hidden) { + this.zoomLayer = this.canvas.parentNode; + this.zoomLayer.style.position = "absolute"; + } + } + if (this.zoomLayer) { + this.cssTransform({ + target: this.zoomLayer.firstChild + }); + } + this.reset({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true + }); + } + cancelRendering({ + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false, + cancelExtraDelay = 0 + } = {}) { + if (this.renderTask) { + this.renderTask.cancel(cancelExtraDelay); + this.renderTask = null; + } + this.resume = null; + if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) { + this.textLayer.cancel(); + this.textLayer = null; + } + if (this.structTreeLayer && !this.textLayer) { + this.structTreeLayer = null; + } + if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) { + this.annotationLayer.cancel(); + this.annotationLayer = null; + this._annotationCanvasMap = null; + } + if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) { + if (this.drawLayer) { + this.drawLayer.cancel(); + this.drawLayer = null; + } + this.annotationEditorLayer.cancel(); + this.annotationEditorLayer = null; + } + if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) { + this.xfaLayer.cancel(); + this.xfaLayer = null; + this._textHighlighter?.disable(); + } + } + cssTransform({ + target, + redrawAnnotationLayer = false, + redrawAnnotationEditorLayer = false, + redrawXfaLayer = false, + redrawTextLayer = false, + hideTextLayer = false + }) { + if (!target.hasAttribute("zooming")) { + target.setAttribute("zooming", true); + const { + style + } = target; + style.width = style.height = ""; + } + const originalViewport = this.#viewportMap.get(target); + if (this.viewport !== originalViewport) { + const relativeRotation = this.viewport.rotation - originalViewport.rotation; + const absRotation = Math.abs(relativeRotation); + let scaleX = 1, + scaleY = 1; + if (absRotation === 90 || absRotation === 270) { + const { + width, + height + } = this.viewport; + scaleX = height / width; + scaleY = width / height; + } + target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`; + } + if (redrawAnnotationLayer && this.annotationLayer) { + this.#renderAnnotationLayer(); + } + if (redrawAnnotationEditorLayer && this.annotationEditorLayer) { + if (this.drawLayer) { + this.#renderDrawLayer(); + } + this.#renderAnnotationEditorLayer(); + } + if (redrawXfaLayer && this.xfaLayer) { + this.#renderXfaLayer(); + } + if (this.textLayer) { + if (hideTextLayer) { + this.textLayer.hide(); + this.structTreeLayer?.hide(); + } else if (redrawTextLayer) { + this.#renderTextLayer(); + } + } + } + get width() { + return this.viewport.width; + } + get height() { + return this.viewport.height; + } + getPagePoint(x, y) { + return this.viewport.convertToPdfPoint(x, y); + } + async #finishRenderTask(renderTask, error = null) { + if (renderTask === this.renderTask) { + this.renderTask = null; + } + if (error instanceof RenderingCancelledException) { + this.#renderError = null; + return; + } + this.#renderError = error; + this.renderingState = RenderingStates.FINISHED; + this._resetZoomLayer(true); + this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots; + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: false, + timestamp: performance.now(), + error: this.#renderError + }); + if (error) { + throw error; + } + } + async draw() { + if (this.renderingState !== RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + this.reset(); + } + const { + div, + l10n, + pageColors, + pdfPage, + viewport + } = this; + if (!pdfPage) { + this.renderingState = RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = RenderingStates.RUNNING; + const canvasWrapper = document.createElement("div"); + canvasWrapper.classList.add("canvasWrapper"); + div.append(canvasWrapper); + if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) { + this._accessibilityManager ||= new TextAccessibilityManager(); + this.textLayer = new TextLayerBuilder({ + highlighter: this._textHighlighter, + accessibilityManager: this._accessibilityManager, + enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS + }); + this.textLayer.onAppend = textLayerDiv => { + this.l10n.pause(); + this.div.append(textLayerDiv); + this.l10n.resume(); + }; + } + if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) { + const { + annotationStorage, + downloadManager, + enableScripting, + fieldObjectsPromise, + hasJSActionsPromise, + linkService + } = this.#layerProperties; + this._annotationCanvasMap ||= new Map(); + this.annotationLayer = new AnnotationLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS, + linkService, + downloadManager, + enableScripting, + hasJSActionsPromise, + fieldObjectsPromise, + annotationCanvasMap: this._annotationCanvasMap, + accessibilityManager: this._accessibilityManager + }); + } + const renderContinueCallback = cont => { + showCanvas?.(false); + if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { + this.renderingState = RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + const { + width, + height + } = viewport; + const canvas = document.createElement("canvas"); + canvas.setAttribute("role", "presentation"); + canvas.hidden = true; + const hasHCM = !!(pageColors?.background && pageColors?.foreground); + let showCanvas = isLastShow => { + if (!hasHCM || isLastShow) { + canvas.hidden = false; + showCanvas = null; + } + }; + canvasWrapper.append(canvas); + this.canvas = canvas; + const ctx = canvas.getContext("2d", { + alpha: false + }); + const outputScale = this.outputScale = new OutputScale(); + if (this.maxCanvasPixels > 0) { + const pixelsInViewport = width * height; + const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport); + if (outputScale.sx > maxScale || outputScale.sy > maxScale) { + outputScale.sx = maxScale; + outputScale.sy = maxScale; + this.#hasRestrictedScaling = true; + } else { + this.#hasRestrictedScaling = false; + } + } + const sfx = approximateFraction(outputScale.sx); + const sfy = approximateFraction(outputScale.sy); + canvas.width = roundToDivide(width * outputScale.sx, sfx[0]); + canvas.height = roundToDivide(height * outputScale.sy, sfy[0]); + const { + style + } = canvas; + style.width = roundToDivide(width, sfx[1]) + "px"; + style.height = roundToDivide(height, sfy[1]) + "px"; + this.#viewportMap.set(canvas, viewport); + const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; + const renderContext = { + canvasContext: ctx, + transform, + viewport, + annotationMode: this.#annotationMode, + optionalContentConfigPromise: this._optionalContentConfigPromise, + annotationCanvasMap: this._annotationCanvasMap, + pageColors + }; + const renderTask = this.renderTask = this.pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + const resultPromise = renderTask.promise.then(async () => { + showCanvas?.(true); + await this.#finishRenderTask(renderTask); + this.#renderTextLayer(); + if (this.annotationLayer) { + await this.#renderAnnotationLayer(); + } + const { + annotationEditorUIManager + } = this.#layerProperties; + if (!annotationEditorUIManager) { + return; + } + this.drawLayer ||= new DrawLayerBuilder({ + pageIndex: this.id + }); + await this.#renderDrawLayer(); + this.drawLayer.setParent(canvasWrapper); + if (!this.annotationEditorLayer) { + this.annotationEditorLayer = new AnnotationEditorLayerBuilder({ + uiManager: annotationEditorUIManager, + pageDiv: div, + pdfPage, + l10n, + accessibilityManager: this._accessibilityManager, + annotationLayer: this.annotationLayer?.annotationLayer, + textLayer: this.textLayer, + drawLayer: this.drawLayer.getDrawLayer() + }); + } + this.#renderAnnotationEditorLayer(); + }, error => { + if (!(error instanceof RenderingCancelledException)) { + showCanvas?.(true); + } + return this.#finishRenderTask(renderTask, error); + }); + if (pdfPage.isPureXfa) { + if (!this.xfaLayer) { + const { + annotationStorage, + linkService + } = this.#layerProperties; + this.xfaLayer = new XfaLayerBuilder({ + pdfPage, + annotationStorage, + linkService + }); + } + this.#renderXfaLayer(); + } + div.setAttribute("data-loaded", true); + this.eventBus.dispatch("pagerender", { + source: this, + pageNumber: this.id + }); + return resultPromise; + } + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + this.div.setAttribute("data-l10n-args", JSON.stringify({ + page: this.pageLabel ?? this.id + })); + if (this.pageLabel !== null) { + this.div.setAttribute("data-page-label", this.pageLabel); + } else { + this.div.removeAttribute("data-page-label"); + } + } + get thumbnailCanvas() { + const { + directDrawing, + initialOptionalContent, + regularAnnotations + } = this.#useThumbnailCanvas; + return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null; + } +} + +;// CONCATENATED MODULE: ./web/pdf_viewer.js + + + + + + +const DEFAULT_CACHE_SIZE = 10; +const PagesCountLimit = { + FORCE_SCROLL_MODE_PAGE: 15000, + FORCE_LAZY_PAGE_INIT: 7500, + PAUSE_EAGER_PAGE_INIT: 250 +}; +function isValidAnnotationEditorMode(mode) { + return Object.values(AnnotationEditorType).includes(mode) && mode !== AnnotationEditorType.DISABLE; +} +class PDFPageViewBuffer { + #buf = new Set(); + #size = 0; + constructor(size) { + this.#size = size; + } + push(view) { + const buf = this.#buf; + if (buf.has(view)) { + buf.delete(view); + } + buf.add(view); + if (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + resize(newSize, idsToKeep = null) { + this.#size = newSize; + const buf = this.#buf; + if (idsToKeep) { + const ii = buf.size; + let i = 1; + for (const view of buf) { + if (idsToKeep.has(view.id)) { + buf.delete(view); + buf.add(view); + } + if (++i > ii) { + break; + } + } + } + while (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + has(view) { + return this.#buf.has(view); + } + [Symbol.iterator]() { + return this.#buf.keys(); + } + #destroyFirstView() { + const firstView = this.#buf.keys().next().value; + firstView?.destroy(); + this.#buf.delete(firstView); + } +} +class PDFViewer { + #buffer = null; + #altTextManager = null; + #annotationEditorHighlightColors = null; + #annotationEditorMode = AnnotationEditorType.NONE; + #annotationEditorUIManager = null; + #annotationMode = AnnotationMode.ENABLE_FORMS; + #containerTopLeft = null; + #copyCallbackBound = null; + #enablePermissions = false; + #mlManager = null; + #getAllTextInProgress = false; + #hiddenCopyElement = null; + #interruptCopyCondition = false; + #previousContainerHeight = 0; + #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); + #scrollModePageState = null; + #onVisibilityChange = null; + #scaleTimeoutId = null; + #textLayerMode = TextLayerMode.ENABLE; + constructor(options) { + const viewerVersion = "4.1.249"; + if (version !== viewerVersion) { + throw new Error(`The API version "${version}" does not match the Viewer version "${viewerVersion}".`); + } + this.container = options.container; + this.viewer = options.viewer || options.container.firstElementChild; + this.#resizeObserver.observe(this.container); + this.eventBus = options.eventBus; + this.linkService = options.linkService || new SimpleLinkService(); + this.downloadManager = options.downloadManager || null; + this.findController = options.findController || null; + this.#altTextManager = options.altTextManager || null; + if (this.findController) { + this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber); + } + this._scriptingManager = options.scriptingManager || null; + this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; + this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE; + this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; + this.maxCanvasPixels = options.maxCanvasPixels; + this.l10n = options.l10n; + this.#enablePermissions = options.enablePermissions || false; + this.pageColors = options.pageColors || null; + this.#mlManager = options.mlManager || null; + this.defaultRenderingQueue = !options.renderingQueue; + this.renderingQueue = options.renderingQueue; + this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this)); + this.presentationModeState = PresentationModeState.UNKNOWN; + this._onBeforeDraw = this._onAfterDraw = null; + this._resetView(); + this.#updateContainerHeightCss(); + this.eventBus._on("thumbnailrendered", ({ + pageNumber, + pdfPage + }) => { + const pageView = this._pages[pageNumber - 1]; + if (!this.#buffer.has(pageView)) { + pdfPage?.cleanup(); + } + }); + } + get pagesCount() { + return this._pages.length; + } + getPageView(index) { + return this._pages[index]; + } + getCachedPageViews() { + return new Set(this.#buffer); + } + get pageViewsReady() { + return this._pagesCapability.settled && this._pages.every(pageView => pageView?.pdfPage); + } + get renderForms() { + return this.#annotationMode === AnnotationMode.ENABLE_FORMS; + } + get enableScripting() { + return !!this._scriptingManager; + } + get currentPageNumber() { + return this._currentPageNumber; + } + set currentPageNumber(val) { + if (!Number.isInteger(val)) { + throw new Error("Invalid page number."); + } + if (!this.pdfDocument) { + return; + } + if (!this._setCurrentPageNumber(val, true)) { + console.error(`currentPageNumber: "${val}" is not a valid page.`); + } + } + _setCurrentPageNumber(val, resetCurrentPageView = false) { + if (this._currentPageNumber === val) { + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + if (!(0 < val && val <= this.pagesCount)) { + return false; + } + const previous = this._currentPageNumber; + this._currentPageNumber = val; + this.eventBus.dispatch("pagechanging", { + source: this, + pageNumber: val, + pageLabel: this._pageLabels?.[val - 1] ?? null, + previous + }); + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + get currentPageLabel() { + return this._pageLabels?.[this._currentPageNumber - 1] ?? null; + } + set currentPageLabel(val) { + if (!this.pdfDocument) { + return; + } + let page = val | 0; + if (this._pageLabels) { + const i = this._pageLabels.indexOf(val); + if (i >= 0) { + page = i + 1; + } + } + if (!this._setCurrentPageNumber(page, true)) { + console.error(`currentPageLabel: "${val}" is not a valid page.`); + } + } + get currentScale() { + return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE; + } + set currentScale(val) { + if (isNaN(val)) { + throw new Error("Invalid numeric scale."); + } + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + get currentScaleValue() { + return this._currentScaleValue; + } + set currentScaleValue(val) { + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + get pagesRotation() { + return this._pagesRotation; + } + set pagesRotation(rotation) { + if (!isValidRotation(rotation)) { + throw new Error("Invalid pages rotation angle."); + } + if (!this.pdfDocument) { + return; + } + rotation %= 360; + if (rotation < 0) { + rotation += 360; + } + if (this._pagesRotation === rotation) { + return; + } + this._pagesRotation = rotation; + const pageNumber = this._currentPageNumber; + this.refresh(true, { + rotation + }); + if (this._currentScaleValue) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.eventBus.dispatch("rotationchanging", { + source: this, + pagesRotation: rotation, + pageNumber + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + get firstPagePromise() { + return this.pdfDocument ? this._firstPageCapability.promise : null; + } + get onePageRendered() { + return this.pdfDocument ? this._onePageRenderedCapability.promise : null; + } + get pagesPromise() { + return this.pdfDocument ? this._pagesCapability.promise : null; + } + get _layerProperties() { + const self = this; + return shadow(this, "_layerProperties", { + get annotationEditorUIManager() { + return self.#annotationEditorUIManager; + }, + get annotationStorage() { + return self.pdfDocument?.annotationStorage; + }, + get downloadManager() { + return self.downloadManager; + }, + get enableScripting() { + return !!self._scriptingManager; + }, + get fieldObjectsPromise() { + return self.pdfDocument?.getFieldObjects(); + }, + get findController() { + return self.findController; + }, + get hasJSActionsPromise() { + return self.pdfDocument?.hasJSActions(); + }, + get linkService() { + return self.linkService; + } + }); + } + #initializePermissions(permissions) { + const params = { + annotationEditorMode: this.#annotationEditorMode, + annotationMode: this.#annotationMode, + textLayerMode: this.#textLayerMode + }; + if (!permissions) { + return params; + } + if (!permissions.includes(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) { + params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS; + } + if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) { + params.annotationEditorMode = AnnotationEditorType.DISABLE; + } + if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) { + params.annotationMode = AnnotationMode.ENABLE; + } + return params; + } + async #onePageRenderedOrForceFetch() { + if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { + return; + } + const visibilityChangePromise = new Promise(resolve => { + this.#onVisibilityChange = () => { + if (document.visibilityState !== "hidden") { + return; + } + resolve(); + }; + document.addEventListener("visibilitychange", this.#onVisibilityChange); + }); + await Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]); + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + async getAllText() { + const texts = []; + const buffer = []; + for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) { + if (this.#interruptCopyCondition) { + return null; + } + buffer.length = 0; + const page = await this.pdfDocument.getPage(pageNum); + const { + items + } = await page.getTextContent(); + for (const item of items) { + if (item.str) { + buffer.push(item.str); + } + if (item.hasEOL) { + buffer.push("\n"); + } + } + texts.push(removeNullCharacters(buffer.join(""))); + } + return texts.join("\n"); + } + #copyCallback(textLayerMode, event) { + const selection = document.getSelection(); + const { + focusNode, + anchorNode + } = selection; + if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) { + if (this.#getAllTextInProgress || textLayerMode === TextLayerMode.ENABLE_PERMISSIONS) { + event.preventDefault(); + event.stopPropagation(); + return; + } + this.#getAllTextInProgress = true; + const savedCursor = this.container.style.cursor; + this.container.style.cursor = "wait"; + const interruptCopy = ev => this.#interruptCopyCondition = ev.key === "Escape"; + window.addEventListener("keydown", interruptCopy); + this.getAllText().then(async text => { + if (text !== null) { + await navigator.clipboard.writeText(text); + } + }).catch(reason => { + console.warn(`Something goes wrong when extracting the text: ${reason.message}`); + }).finally(() => { + this.#getAllTextInProgress = false; + this.#interruptCopyCondition = false; + window.removeEventListener("keydown", interruptCopy); + this.container.style.cursor = savedCursor; + }); + event.preventDefault(); + event.stopPropagation(); + } + } + setDocument(pdfDocument) { + if (this.pdfDocument) { + this.eventBus.dispatch("pagesdestroy", { + source: this + }); + this._cancelRendering(); + this._resetView(); + this.findController?.setDocument(null); + this._scriptingManager?.setDocument(null); + if (this.#annotationEditorUIManager) { + this.#annotationEditorUIManager.destroy(); + this.#annotationEditorUIManager = null; + } + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const pagesCount = pdfDocument.numPages; + const firstPagePromise = pdfDocument.getPage(1); + const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); + const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve(); + if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { + console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document."); + const mode = this._scrollMode = ScrollMode.PAGE; + this.eventBus.dispatch("scrollmodechanged", { + source: this, + mode + }); + } + this._pagesCapability.promise.then(() => { + this.eventBus.dispatch("pagesloaded", { + source: this, + pagesCount + }); + }, () => {}); + this._onBeforeDraw = evt => { + const pageView = this._pages[evt.pageNumber - 1]; + if (!pageView) { + return; + } + this.#buffer.push(pageView); + }; + this.eventBus._on("pagerender", this._onBeforeDraw); + this._onAfterDraw = evt => { + if (evt.cssTransform || this._onePageRenderedCapability.settled) { + return; + } + this._onePageRenderedCapability.resolve({ + timestamp: evt.timestamp + }); + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + }; + this.eventBus._on("pagerendered", this._onAfterDraw); + Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this._firstPageCapability.resolve(firstPdfPage); + this._optionalContentConfigPromise = optionalContentConfigPromise; + const { + annotationEditorMode, + annotationMode, + textLayerMode + } = this.#initializePermissions(permissions); + if (textLayerMode !== TextLayerMode.DISABLE) { + const element = this.#hiddenCopyElement = document.createElement("div"); + element.id = "hiddenCopyElement"; + this.viewer.before(element); + } + if (annotationEditorMode !== AnnotationEditorType.DISABLE) { + const mode = annotationEditorMode; + if (pdfDocument.isPureXfa) { + console.warn("Warning: XFA-editing is not implemented."); + } else if (isValidAnnotationEditorMode(mode)) { + this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, this.viewer, this.#altTextManager, this.eventBus, pdfDocument, this.pageColors, this.#annotationEditorHighlightColors, this.#mlManager); + this.eventBus.dispatch("annotationeditoruimanager", { + source: this, + uiManager: this.#annotationEditorUIManager + }); + if (mode !== AnnotationEditorType.NONE) { + this.#annotationEditorUIManager.updateMode(mode); + } + } else { + console.error(`Invalid AnnotationEditor mode: ${mode}`); + } + } + const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : this.viewer; + const scale = this.currentScale; + const viewport = firstPdfPage.getViewport({ + scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS + }); + this.viewer.style.setProperty("--scale-factor", viewport.scale); + if (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas") { + this.viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight")); + this.viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText")); + } + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const pageView = new PDFPageView({ + container: viewerElement, + eventBus: this.eventBus, + id: pageNum, + scale, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + renderingQueue: this.renderingQueue, + textLayerMode, + annotationMode, + imageResourcesPath: this.imageResourcesPath, + maxCanvasPixels: this.maxCanvasPixels, + pageColors: this.pageColors, + l10n: this.l10n, + layerProperties: this._layerProperties + }); + this._pages.push(pageView); + } + const firstPageView = this._pages[0]; + if (firstPageView) { + firstPageView.setPdfPage(firstPdfPage); + this.linkService.cachePageRef(1, firstPdfPage.ref); + } + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._spreadMode !== SpreadMode.NONE) { + this._updateSpreadMode(); + } + this.#onePageRenderedOrForceFetch().then(async () => { + this.findController?.setDocument(pdfDocument); + this._scriptingManager?.setDocument(pdfDocument); + if (this.#hiddenCopyElement) { + this.#copyCallbackBound = this.#copyCallback.bind(this, textLayerMode); + document.addEventListener("copy", this.#copyCallbackBound); + } + if (this.#annotationEditorUIManager) { + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode: this.#annotationEditorMode + }); + } + if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) { + this._pagesCapability.resolve(); + return; + } + let getPagesLeft = pagesCount - 1; + if (getPagesLeft <= 0) { + this._pagesCapability.resolve(); + return; + } + for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) { + const promise = pdfDocument.getPage(pageNum).then(pdfPage => { + const pageView = this._pages[pageNum - 1]; + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + this.linkService.cachePageRef(pageNum, pdfPage.ref); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }, reason => { + console.error(`Unable to get page ${pageNum} to initialize viewer`, reason); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }); + if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) { + await promise; + } + } + }); + this.eventBus.dispatch("pagesinit", { + source: this + }); + pdfDocument.getMetadata().then(({ + info + }) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + if (info.Language) { + this.viewer.lang = info.Language; + } + }); + if (this.defaultRenderingQueue) { + this.update(); + } + }).catch(reason => { + console.error("Unable to initialize viewer", reason); + this._pagesCapability.reject(reason); + }); + } + setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error(`setPageLabels: Invalid page labels.`); + } else { + this._pageLabels = labels; + } + for (let i = 0, ii = this._pages.length; i < ii; i++) { + this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null); + } + } + _resetView() { + this._pages = []; + this._currentPageNumber = 1; + this._currentScale = UNKNOWN_SCALE; + this._currentScaleValue = null; + this._pageLabels = null; + this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); + this._location = null; + this._pagesRotation = 0; + this._optionalContentConfigPromise = null; + this._firstPageCapability = new PromiseCapability(); + this._onePageRenderedCapability = new PromiseCapability(); + this._pagesCapability = new PromiseCapability(); + this._scrollMode = ScrollMode.VERTICAL; + this._previousScrollMode = ScrollMode.UNKNOWN; + this._spreadMode = SpreadMode.NONE; + this.#scrollModePageState = { + previousPageNumber: 1, + scrollDown: true, + pages: [] + }; + if (this._onBeforeDraw) { + this.eventBus._off("pagerender", this._onBeforeDraw); + this._onBeforeDraw = null; + } + if (this._onAfterDraw) { + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + } + if (this.#onVisibilityChange) { + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + this.viewer.textContent = ""; + this._updateScrollMode(); + this.viewer.removeAttribute("lang"); + if (this.#hiddenCopyElement) { + document.removeEventListener("copy", this.#copyCallbackBound); + this.#copyCallbackBound = null; + this.#hiddenCopyElement.remove(); + this.#hiddenCopyElement = null; + } + } + #ensurePageViewVisible() { + if (this._scrollMode !== ScrollMode.PAGE) { + throw new Error("#ensurePageViewVisible: Invalid scrollMode value."); + } + const pageNumber = this._currentPageNumber, + state = this.#scrollModePageState, + viewer = this.viewer; + viewer.textContent = ""; + state.pages.length = 0; + if (this._spreadMode === SpreadMode.NONE && !this.isInPresentationMode) { + const pageView = this._pages[pageNumber - 1]; + viewer.append(pageView.div); + state.pages.push(pageView); + } else { + const pageIndexSet = new Set(), + parity = this._spreadMode - 1; + if (parity === -1) { + pageIndexSet.add(pageNumber - 1); + } else if (pageNumber % 2 !== parity) { + pageIndexSet.add(pageNumber - 1); + pageIndexSet.add(pageNumber); + } else { + pageIndexSet.add(pageNumber - 2); + pageIndexSet.add(pageNumber - 1); + } + const spread = document.createElement("div"); + spread.className = "spread"; + if (this.isInPresentationMode) { + const dummyPage = document.createElement("div"); + dummyPage.className = "dummyPage"; + spread.append(dummyPage); + } + for (const i of pageIndexSet) { + const pageView = this._pages[i]; + if (!pageView) { + continue; + } + spread.append(pageView.div); + state.pages.push(pageView); + } + viewer.append(spread); + } + state.scrollDown = pageNumber >= state.previousPageNumber; + state.previousPageNumber = pageNumber; + } + _scrollUpdate() { + if (this.pagesCount === 0) { + return; + } + this.update(); + } + #scrollIntoView(pageView, pageSpot = null) { + const { + div, + id + } = pageView; + if (this._currentPageNumber !== id) { + this._setCurrentPageNumber(id); + } + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + this.update(); + } + if (!pageSpot && !this.isInPresentationMode) { + const left = div.offsetLeft + div.clientLeft, + right = left + div.clientWidth; + const { + scrollLeft, + clientWidth + } = this.container; + if (this._scrollMode === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { + pageSpot = { + left: 0, + top: 0 + }; + } + } + scrollIntoView(div, pageSpot); + if (!this._currentScaleValue && this._location) { + this._location = null; + } + } + #isSameScale(newScale) { + return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15; + } + #setScaleUpdatePages(newScale, newValue, { + noScroll = false, + preset = false, + drawingDelay = -1 + }) { + this._currentScaleValue = newValue.toString(); + if (this.#isSameScale(newScale)) { + if (preset) { + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: newValue + }); + } + return; + } + this.viewer.style.setProperty("--scale-factor", newScale * PixelsPerInch.PDF_TO_CSS_UNITS); + const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000; + this.refresh(true, { + scale: newScale, + drawingDelay: postponeDrawing ? drawingDelay : -1 + }); + if (postponeDrawing) { + this.#scaleTimeoutId = setTimeout(() => { + this.#scaleTimeoutId = null; + this.refresh(); + }, drawingDelay); + } + this._currentScale = newScale; + if (!noScroll) { + let page = this._currentPageNumber, + dest; + if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) { + page = this._location.pageNumber; + dest = [null, { + name: "XYZ" + }, this._location.left, this._location.top, null]; + } + this.scrollPageIntoView({ + pageNumber: page, + destArray: dest, + allowNegativeOffset: true + }); + } + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: preset ? newValue : undefined + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + get #pageWidthScaleFactor() { + if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL) { + return 2; + } + return 1; + } + #setScale(value, options) { + let scale = parseFloat(value); + if (scale > 0) { + options.preset = false; + this.#setScaleUpdatePages(scale, value, options); + } else { + const currentPage = this._pages[this._currentPageNumber - 1]; + if (!currentPage) { + return; + } + let hPadding = SCROLLBAR_PADDING, + vPadding = VERTICAL_PADDING; + if (this.isInPresentationMode) { + hPadding = vPadding = 4; + if (this._spreadMode !== SpreadMode.NONE) { + hPadding *= 2; + } + } else if (this._scrollMode === ScrollMode.HORIZONTAL) { + [hPadding, vPadding] = [vPadding, hPadding]; + } + const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor; + const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; + switch (value) { + case "page-actual": + scale = 1; + break; + case "page-width": + scale = pageWidthScale; + break; + case "page-height": + scale = pageHeightScale; + break; + case "page-fit": + scale = Math.min(pageWidthScale, pageHeightScale); + break; + case "auto": + const horizontalScale = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); + scale = Math.min(MAX_AUTO_SCALE, horizontalScale); + break; + default: + console.error(`#setScale: "${value}" is an unknown zoom value.`); + return; + } + options.preset = true; + this.#setScaleUpdatePages(scale, value, options); + } + } + #resetCurrentPageView() { + const pageView = this._pages[this._currentPageNumber - 1]; + if (this.isInPresentationMode) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.#scrollIntoView(pageView); + } + pageLabelToPageNumber(label) { + if (!this._pageLabels) { + return null; + } + const i = this._pageLabels.indexOf(label); + if (i < 0) { + return null; + } + return i + 1; + } + scrollPageIntoView({ + pageNumber, + destArray = null, + allowNegativeOffset = false, + ignoreDestinationZoom = false + }) { + if (!this.pdfDocument) { + return; + } + const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1]; + if (!pageView) { + console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + if (this.isInPresentationMode || !destArray) { + this._setCurrentPageNumber(pageNumber, true); + return; + } + let x = 0, + y = 0; + let width = 0, + height = 0, + widthScale, + heightScale; + const changeOrientation = pageView.rotation % 180 !== 0; + const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; + const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; + let scale = 0; + switch (destArray[1].name) { + case "XYZ": + x = destArray[2]; + y = destArray[3]; + scale = destArray[4]; + x = x !== null ? x : 0; + y = y !== null ? y : pageHeight; + break; + case "Fit": + case "FitB": + scale = "page-fit"; + break; + case "FitH": + case "FitBH": + y = destArray[2]; + scale = "page-width"; + if (y === null && this._location) { + x = this._location.left; + y = this._location.top; + } else if (typeof y !== "number" || y < 0) { + y = pageHeight; + } + break; + case "FitV": + case "FitBV": + x = destArray[2]; + width = pageWidth; + height = pageHeight; + scale = "page-height"; + break; + case "FitR": + x = destArray[2]; + y = destArray[3]; + width = destArray[4] - x; + height = destArray[5] - y; + let hPadding = SCROLLBAR_PADDING, + vPadding = VERTICAL_PADDING; + widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS; + heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS; + scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); + break; + default: + console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); + return; + } + if (!ignoreDestinationZoom) { + if (scale && scale !== this._currentScale) { + this.currentScaleValue = scale; + } else if (this._currentScale === UNKNOWN_SCALE) { + this.currentScaleValue = DEFAULT_SCALE_VALUE; + } + } + if (scale === "page-fit" && !destArray[4]) { + this.#scrollIntoView(pageView); + return; + } + const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]; + let left = Math.min(boundingRect[0][0], boundingRect[1][0]); + let top = Math.min(boundingRect[0][1], boundingRect[1][1]); + if (!allowNegativeOffset) { + left = Math.max(left, 0); + top = Math.max(top, 0); + } + this.#scrollIntoView(pageView, { + left, + top + }); + } + _updateLocation(firstPage) { + const currentScale = this._currentScale; + const currentScaleValue = this._currentScaleValue; + const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; + const pageNumber = firstPage.id; + const currentPageView = this._pages[pageNumber - 1]; + const container = this.container; + const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); + const intLeft = Math.round(topLeft[0]); + const intTop = Math.round(topLeft[1]); + let pdfOpenParams = `#page=${pageNumber}`; + if (!this.isInPresentationMode) { + pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`; + } + this._location = { + pageNumber, + scale: normalizedScaleValue, + top: intTop, + left: intLeft, + rotation: this._pagesRotation, + pdfOpenParams + }; + } + update() { + const visible = this._getVisiblePages(); + const visiblePages = visible.views, + numVisiblePages = visiblePages.length; + if (numVisiblePages === 0) { + return; + } + const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1); + this.#buffer.resize(newCacheSize, visible.ids); + this.renderingQueue.renderHighestPriority(visible); + const isSimpleLayout = this._spreadMode === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === ScrollMode.VERTICAL); + const currentId = this._currentPageNumber; + let stillFullyVisible = false; + for (const page of visiblePages) { + if (page.percent < 100) { + break; + } + if (page.id === currentId && isSimpleLayout) { + stillFullyVisible = true; + break; + } + } + this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id); + this._updateLocation(visible.first); + this.eventBus.dispatch("updateviewarea", { + source: this, + location: this._location + }); + } + containsElement(element) { + return this.container.contains(element); + } + focus() { + this.container.focus(); + } + get _isContainerRtl() { + return getComputedStyle(this.container).direction === "rtl"; + } + get isInPresentationMode() { + return this.presentationModeState === PresentationModeState.FULLSCREEN; + } + get isChangingPresentationMode() { + return this.presentationModeState === PresentationModeState.CHANGING; + } + get isHorizontalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; + } + get isVerticalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight; + } + _getVisiblePages() { + const views = this._scrollMode === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, + horizontal = this._scrollMode === ScrollMode.HORIZONTAL, + rtl = horizontal && this._isContainerRtl; + return getVisibleElements({ + scrollEl: this.container, + views, + sortByVisibility: true, + horizontal, + rtl + }); + } + cleanup() { + for (const pageView of this._pages) { + if (pageView.renderingState !== RenderingStates.FINISHED) { + pageView.reset(); + } + } + } + _cancelRendering() { + for (const pageView of this._pages) { + pageView.cancelRendering(); + } + } + async #ensurePdfPageLoaded(pageView) { + if (pageView.pdfPage) { + return pageView.pdfPage; + } + try { + const pdfPage = await this.pdfDocument.getPage(pageView.id); + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) { + this.linkService.cachePageRef(pageView.id, pdfPage.ref); + } + return pdfPage; + } catch (reason) { + console.error("Unable to get page for page view", reason); + return null; + } + } + #getScrollAhead(visible) { + if (visible.first?.id === 1) { + return true; + } else if (visible.last?.id === this.pagesCount) { + return false; + } + switch (this._scrollMode) { + case ScrollMode.PAGE: + return this.#scrollModePageState.scrollDown; + case ScrollMode.HORIZONTAL: + return this.scroll.right; + } + return this.scroll.down; + } + forceRendering(currentlyVisiblePages) { + const visiblePages = currentlyVisiblePages || this._getVisiblePages(); + const scrollAhead = this.#getScrollAhead(visiblePages); + const preRenderExtra = this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL; + const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra); + if (pageView) { + this.#ensurePdfPageLoaded(pageView).then(() => { + this.renderingQueue.renderView(pageView); + }); + return true; + } + return false; + } + get hasEqualPageSizes() { + const firstPageView = this._pages[0]; + for (let i = 1, ii = this._pages.length; i < ii; ++i) { + const pageView = this._pages[i]; + if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) { + return false; + } + } + return true; + } + getPagesOverview() { + let initialOrientation; + return this._pages.map(pageView => { + const viewport = pageView.pdfPage.getViewport({ + scale: 1 + }); + const orientation = isPortraitOrientation(viewport); + if (initialOrientation === undefined) { + initialOrientation = orientation; + } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) { + return { + width: viewport.height, + height: viewport.width, + rotation: (viewport.rotation - 90) % 360 + }; + } + return { + width: viewport.width, + height: viewport.height, + rotation: viewport.rotation + }; + }); + } + get optionalContentConfigPromise() { + if (!this.pdfDocument) { + return Promise.resolve(null); + } + if (!this._optionalContentConfigPromise) { + console.error("optionalContentConfigPromise: Not initialized yet."); + return this.pdfDocument.getOptionalContentConfig(); + } + return this._optionalContentConfigPromise; + } + set optionalContentConfigPromise(promise) { + if (!(promise instanceof Promise)) { + throw new Error(`Invalid optionalContentConfigPromise: ${promise}`); + } + if (!this.pdfDocument) { + return; + } + if (!this._optionalContentConfigPromise) { + return; + } + this._optionalContentConfigPromise = promise; + this.refresh(false, { + optionalContentConfigPromise: promise + }); + this.eventBus.dispatch("optionalcontentconfigchanged", { + source: this, + promise + }); + } + get scrollMode() { + return this._scrollMode; + } + set scrollMode(mode) {} + _updateScrollMode(pageNumber = null) { + const scrollMode = this._scrollMode, + viewer = this.viewer; + viewer.classList.toggle("scrollHorizontal", scrollMode === ScrollMode.HORIZONTAL); + viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED); + if (!this.pdfDocument || !pageNumber) { + return; + } + if (scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._previousScrollMode === ScrollMode.PAGE) { + this._updateSpreadMode(); + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + get spreadMode() { + return this._spreadMode; + } + set spreadMode(mode) {} + _updateSpreadMode(pageNumber = null) { + if (!this.pdfDocument) { + return; + } + const viewer = this.viewer, + pages = this._pages; + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else { + viewer.textContent = ""; + if (this._spreadMode === SpreadMode.NONE) { + for (const pageView of this._pages) { + viewer.append(pageView.div); + } + } else { + const parity = this._spreadMode - 1; + let spread = null; + for (let i = 0, ii = pages.length; i < ii; ++i) { + if (spread === null) { + spread = document.createElement("div"); + spread.className = "spread"; + viewer.append(spread); + } else if (i % 2 === parity) { + spread = spread.cloneNode(false); + viewer.append(spread); + } + spread.append(pages[i].div); + } + } + } + if (!pageNumber) { + return; + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + _getPageAdvance(currentPageNumber, previous = false) { + switch (this._scrollMode) { + case ScrollMode.WRAPPED: + { + const { + views + } = this._getVisiblePages(), + pageLayout = new Map(); + for (const { + id, + y, + percent, + widthPercent + } of views) { + if (percent === 0 || widthPercent < 100) { + continue; + } + let yArray = pageLayout.get(y); + if (!yArray) { + pageLayout.set(y, yArray ||= []); + } + yArray.push(id); + } + for (const yArray of pageLayout.values()) { + const currentIndex = yArray.indexOf(currentPageNumber); + if (currentIndex === -1) { + continue; + } + const numPages = yArray.length; + if (numPages === 1) { + break; + } + if (previous) { + for (let i = currentIndex - 1, ii = 0; i >= ii; i--) { + const currentId = yArray[i], + expectedId = yArray[i + 1] - 1; + if (currentId < expectedId) { + return currentPageNumber - expectedId; + } + } + } else { + for (let i = currentIndex + 1, ii = numPages; i < ii; i++) { + const currentId = yArray[i], + expectedId = yArray[i - 1] + 1; + if (currentId > expectedId) { + return expectedId - currentPageNumber; + } + } + } + if (previous) { + const firstId = yArray[0]; + if (firstId < currentPageNumber) { + return currentPageNumber - firstId + 1; + } + } else { + const lastId = yArray[numPages - 1]; + if (lastId > currentPageNumber) { + return lastId - currentPageNumber + 1; + } + } + break; + } + break; + } + case ScrollMode.HORIZONTAL: + { + break; + } + case ScrollMode.PAGE: + case ScrollMode.VERTICAL: + { + if (this._spreadMode === SpreadMode.NONE) { + break; + } + const parity = this._spreadMode - 1; + if (previous && currentPageNumber % 2 !== parity) { + break; + } else if (!previous && currentPageNumber % 2 === parity) { + break; + } + const { + views + } = this._getVisiblePages(), + expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1; + for (const { + id, + percent, + widthPercent + } of views) { + if (id !== expectedId) { + continue; + } + if (percent > 0 && widthPercent === 100) { + return 2; + } + break; + } + break; + } + } + return 1; + } + nextPage() { + const currentPageNumber = this._currentPageNumber, + pagesCount = this.pagesCount; + if (currentPageNumber >= pagesCount) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, false) || 1; + this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount); + return true; + } + previousPage() { + const currentPageNumber = this._currentPageNumber; + if (currentPageNumber <= 1) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, true) || 1; + this.currentPageNumber = Math.max(currentPageNumber - advance, 1); + return true; + } + increaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.ceil((newScale * DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale < MAX_SCALE); + } + this.#setScale(Math.min(MAX_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + decreaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 0 && scaleFactor < 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.floor((newScale / DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale > MIN_SCALE); + } + this.#setScale(Math.max(MIN_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + #updateContainerHeightCss(height = this.container.clientHeight) { + if (height !== this.#previousContainerHeight) { + this.#previousContainerHeight = height; + docStyle.setProperty("--viewer-container-height", `${height}px`); + } + } + #resizeObserverCallback(entries) { + for (const entry of entries) { + if (entry.target === this.container) { + this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize)); + this.#containerTopLeft = null; + break; + } + } + } + get containerTopLeft() { + return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft]; + } + get annotationEditorMode() { + return this.#annotationEditorUIManager ? this.#annotationEditorMode : AnnotationEditorType.DISABLE; + } + set annotationEditorMode({ + mode, + editId = null, + isFromKeyboard = false + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + if (this.#annotationEditorMode === mode) { + return; + } + if (!isValidAnnotationEditorMode(mode)) { + throw new Error(`Invalid AnnotationEditor mode: ${mode}`); + } + if (!this.pdfDocument) { + return; + } + this.#annotationEditorMode = mode; + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode + }); + this.#annotationEditorUIManager.updateMode(mode, editId, isFromKeyboard); + } + set annotationEditorParams({ + type, + value + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + this.#annotationEditorUIManager.updateParams(type, value); + } + refresh(noUpdate = false, updateArgs = Object.create(null)) { + if (!this.pdfDocument) { + return; + } + for (const pageView of this._pages) { + pageView.update(updateArgs); + } + if (this.#scaleTimeoutId !== null) { + clearTimeout(this.#scaleTimeoutId); + this.#scaleTimeoutId = null; + } + if (!noUpdate) { + this.update(); + } + } +} + +;// CONCATENATED MODULE: ./web/toolbar-geckoview.js +class Toolbar { + #buttons; + #eventBus; + constructor(options, eventBus, nimbusData) { + this.#eventBus = eventBus; + const buttons = [{ + element: options.download, + eventName: "download", + nimbusName: "download-button" + }, { + element: options.openInApp, + eventName: "openinexternalapp", + nimbusName: "open-in-app-button" + }]; + if (nimbusData) { + this.#buttons = []; + for (const button of buttons) { + if (nimbusData[button.nimbusName]) { + this.#buttons.push(button); + } else { + button.element.remove(); + } + } + if (this.#buttons.length > 0) { + options.container.classList.add("show"); + } else { + options.container.remove(); + options.mainContainer.classList.add("noToolbar"); + } + } else { + options.container.classList.add("show"); + this.#buttons = buttons; + } + this.#bindListeners(options); + } + setPageNumber(pageNumber, pageLabel) {} + setPagesCount(pagesCount, hasPageLabels) {} + setPageScale(pageScaleValue, pageScale) {} + reset() {} + #bindListeners(options) { + for (const { + element, + eventName, + eventDetails + } of this.#buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + this.#eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + this.#eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "gv-buttons", + data: { + id: `${element.id}_tapped` + } + } + }); + } + }); + } + } + updateLoadingIndicatorState(loading = false) {} +} + +;// CONCATENATED MODULE: ./web/view_history.js +const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20; +class ViewHistory { + constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) { + this.fingerprint = fingerprint; + this.cacheSize = cacheSize; + this._initializedPromise = this._readFromStorage().then(databaseStr => { + const database = JSON.parse(databaseStr || "{}"); + let index = -1; + if (!Array.isArray(database.files)) { + database.files = []; + } else { + while (database.files.length >= this.cacheSize) { + database.files.shift(); + } + for (let i = 0, ii = database.files.length; i < ii; i++) { + const branch = database.files[i]; + if (branch.fingerprint === this.fingerprint) { + index = i; + break; + } + } + } + if (index === -1) { + index = database.files.push({ + fingerprint: this.fingerprint + }) - 1; + } + this.file = database.files[index]; + this.database = database; + }); + } + async _writeToStorage() { + const databaseStr = JSON.stringify(this.database); + sessionStorage.setItem("pdfjs.history", databaseStr); + } + async _readFromStorage() { + return sessionStorage.getItem("pdfjs.history"); + } + async set(name, val) { + await this._initializedPromise; + this.file[name] = val; + return this._writeToStorage(); + } + async setMultiple(properties) { + await this._initializedPromise; + for (const name in properties) { + this.file[name] = properties[name]; + } + return this._writeToStorage(); + } + async get(name, defaultValue) { + await this._initializedPromise; + const val = this.file[name]; + return val !== undefined ? val : defaultValue; + } + async getMultiple(properties) { + await this._initializedPromise; + const values = Object.create(null); + for (const name in properties) { + const val = this.file[name]; + values[name] = val !== undefined ? val : properties[name]; + } + return values; + } +} + +;// CONCATENATED MODULE: ./web/app.js + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +const FORCE_PAGES_LOADED_TIMEOUT = 10000; +const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; +const ViewOnLoad = { + UNKNOWN: -1, + PREVIOUS: 0, + INITIAL: 1 +}; +const PDFViewerApplication = { + initialBookmark: document.location.hash.substring(1), + _initializedCapability: new PromiseCapability(), + appConfig: null, + pdfDocument: null, + pdfLoadingTask: null, + printService: null, + pdfViewer: null, + pdfThumbnailViewer: null, + pdfRenderingQueue: null, + pdfPresentationMode: null, + pdfDocumentProperties: null, + pdfLinkService: null, + pdfHistory: null, + pdfSidebar: null, + pdfOutlineViewer: null, + pdfAttachmentViewer: null, + pdfLayerViewer: null, + pdfCursorTools: null, + pdfScriptingManager: null, + store: null, + downloadManager: null, + overlayManager: null, + preferences: null, + toolbar: null, + secondaryToolbar: null, + eventBus: null, + l10n: null, + annotationEditorParams: null, + isInitialViewSet: false, + downloadComplete: false, + isViewerEmbedded: window.parent !== window, + url: "", + baseUrl: "", + _downloadUrl: "", + _boundEvents: Object.create(null), + documentInfo: null, + metadata: null, + _contentDispositionFilename: null, + _contentLength: null, + _saveInProgress: false, + _wheelUnusedTicks: 0, + _wheelUnusedFactor: 1, + _touchUnusedTicks: 0, + _touchUnusedFactor: 1, + _PDFBug: null, + _hasAnnotationEditors: false, + _title: document.title, + _printAnnotationStoragePromise: null, + _touchInfo: null, + _isCtrlKeyDown: false, + _nimbusDataPromise: null, + _caretBrowsing: null, + _isScrolling: false, + _lastScrollTop: 0, + _lastScrollLeft: 0, + async initialize(appConfig) { + let l10nPromise; + l10nPromise = this.externalServices.createL10n(); + this.appConfig = appConfig; + this._nimbusDataPromise = this.externalServices.getNimbusExperimentData(); + try { + await this.preferences.initializedPromise; + } catch (ex) { + console.error(`initialize: "${ex.message}".`); + } + if (AppOptions.get("pdfBugEnabled")) { + await this._parseHashParams(); + } + this.l10n = await l10nPromise; + document.getElementsByTagName("html")[0].dir = this.l10n.getDirection(); + if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) { + AppOptions.set("externalLinkTarget", LinkTarget.TOP); + } + await this._initializeViewerComponents(); + this.bindEvents(); + this.bindWindowEvents(); + this._initializedCapability.resolve(); + }, + async _parseHashParams() { + const hash = document.location.hash.substring(1); + if (!hash) { + return; + } + const { + mainContainer, + viewerContainer + } = this.appConfig, + params = parseQueryString(hash); + if (params.get("disableworker") === "true") { + try { + await loadFakeWorker(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + if (params.has("disablerange")) { + AppOptions.set("disableRange", params.get("disablerange") === "true"); + } + if (params.has("disablestream")) { + AppOptions.set("disableStream", params.get("disablestream") === "true"); + } + if (params.has("disableautofetch")) { + AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true"); + } + if (params.has("disablefontface")) { + AppOptions.set("disableFontFace", params.get("disablefontface") === "true"); + } + if (params.has("disablehistory")) { + AppOptions.set("disableHistory", params.get("disablehistory") === "true"); + } + if (params.has("verbosity")) { + AppOptions.set("verbosity", params.get("verbosity") | 0); + } + if (params.has("textlayer")) { + switch (params.get("textlayer")) { + case "off": + AppOptions.set("textLayerMode", TextLayerMode.DISABLE); + break; + case "visible": + case "shadow": + case "hover": + viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`); + try { + await loadPDFBug(this); + this._PDFBug.loadCSS(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + break; + } + } + if (params.has("pdfbug")) { + AppOptions.set("pdfBug", true); + AppOptions.set("fontExtraProperties", true); + const enabled = params.get("pdfbug").split(","); + try { + await loadPDFBug(this); + this._PDFBug.init(mainContainer, enabled); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + }, + async _initializeViewerComponents() { + const { + appConfig, + externalServices, + l10n + } = this; + const eventBus = AppOptions.get("isInAutomation") ? new AutomationEventBus() : new EventBus(); + this.eventBus = eventBus; + this.overlayManager = new OverlayManager(); + const pdfRenderingQueue = new PDFRenderingQueue(); + pdfRenderingQueue.onIdle = this._cleanup.bind(this); + this.pdfRenderingQueue = pdfRenderingQueue; + const pdfLinkService = new PDFLinkService({ + eventBus, + externalLinkTarget: AppOptions.get("externalLinkTarget"), + externalLinkRel: AppOptions.get("externalLinkRel"), + ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom") + }); + this.pdfLinkService = pdfLinkService; + const downloadManager = this.downloadManager = new DownloadManager(); + const findController = new PDFFindController({ + linkService: pdfLinkService, + eventBus, + updateMatchesCountOnProgress: false + }); + this.findController = findController; + const pdfScriptingManager = new PDFScriptingManager({ + eventBus, + externalServices, + docProperties: this._scriptingDocProperties.bind(this) + }); + this.pdfScriptingManager = pdfScriptingManager; + const container = appConfig.mainContainer, + viewer = appConfig.viewerContainer; + const annotationEditorMode = AppOptions.get("annotationEditorMode"); + const isOffscreenCanvasSupported = AppOptions.get("isOffscreenCanvasSupported") && FeatureTest.isOffscreenCanvasSupported; + const pageColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? { + background: AppOptions.get("pageColorsBackground"), + foreground: AppOptions.get("pageColorsForeground") + } : null; + const altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, this.overlayManager, eventBus) : null; + const pdfViewer = new PDFViewer({ + container, + viewer, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + downloadManager, + altTextManager, + findController, + scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager, + l10n, + textLayerMode: AppOptions.get("textLayerMode"), + annotationMode: AppOptions.get("annotationMode"), + annotationEditorMode, + annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"), + imageResourcesPath: AppOptions.get("imageResourcesPath"), + enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"), + maxCanvasPixels: AppOptions.get("maxCanvasPixels"), + enablePermissions: AppOptions.get("enablePermissions"), + pageColors, + mlManager: this.mlManager + }); + this.pdfViewer = pdfViewer; + pdfRenderingQueue.setViewer(pdfViewer); + pdfLinkService.setViewer(pdfViewer); + pdfScriptingManager.setViewer(pdfViewer); + if (appConfig.sidebar?.thumbnailView) { + this.pdfThumbnailViewer = new PDFThumbnailViewer({ + container: appConfig.sidebar.thumbnailView, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + pageColors + }); + pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); + } + if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) { + this.pdfHistory = new PDFHistory({ + linkService: pdfLinkService, + eventBus + }); + pdfLinkService.setHistory(this.pdfHistory); + } + if (!this.supportsIntegratedFind && appConfig.findBar) { + this.findBar = new PDFFindBar(appConfig.findBar, eventBus); + } + if (appConfig.annotationEditorParams) { + if (annotationEditorMode !== AnnotationEditorType.DISABLE) { + if (AppOptions.get("enableStampEditor") && isOffscreenCanvasSupported) { + appConfig.toolbar?.editorStampButton?.classList.remove("hidden"); + } + const editorHighlightButton = appConfig.toolbar?.editorHighlightButton; + if (editorHighlightButton && AppOptions.get("enableHighlightEditor")) { + editorHighlightButton.hidden = false; + } + this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); + } else { + for (const id of ["editorModeButtons", "editorModeSeparator"]) { + document.getElementById(id)?.classList.add("hidden"); + } + } + } + if (appConfig.documentProperties) { + this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, l10n, () => this._docFilename); + } + if (appConfig.secondaryToolbar?.cursorHandToolButton) { + this.pdfCursorTools = new PDFCursorTools({ + container, + eventBus, + cursorToolOnLoad: AppOptions.get("cursorToolOnLoad") + }); + } + if (appConfig.toolbar) { + this.toolbar = new Toolbar(appConfig.toolbar, eventBus, await this._nimbusDataPromise); + } + if (appConfig.secondaryToolbar) { + this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus); + } + if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { + this.pdfPresentationMode = new PDFPresentationMode({ + container, + pdfViewer, + eventBus + }); + } + if (appConfig.passwordOverlay) { + this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.isViewerEmbedded); + } + if (appConfig.sidebar?.outlineView) { + this.pdfOutlineViewer = new PDFOutlineViewer({ + container: appConfig.sidebar.outlineView, + eventBus, + l10n, + linkService: pdfLinkService, + downloadManager + }); + } + if (appConfig.sidebar?.attachmentsView) { + this.pdfAttachmentViewer = new PDFAttachmentViewer({ + container: appConfig.sidebar.attachmentsView, + eventBus, + l10n, + downloadManager + }); + } + if (appConfig.sidebar?.layersView) { + this.pdfLayerViewer = new PDFLayerViewer({ + container: appConfig.sidebar.layersView, + eventBus, + l10n + }); + } + if (appConfig.sidebar) { + this.pdfSidebar = new PDFSidebar({ + elements: appConfig.sidebar, + eventBus, + l10n + }); + this.pdfSidebar.onToggled = this.forceRendering.bind(this); + this.pdfSidebar.onUpdateThumbnails = () => { + for (const pageView of pdfViewer.getCachedPageViews()) { + if (pageView.renderingState === RenderingStates.FINISHED) { + this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView); + } + } + this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); + }; + } + }, + async run(config) { + this.preferences = new Preferences(); + await this.initialize(config); + const { + appConfig, + eventBus + } = this; + let file; + file = window.location.href; + if (!AppOptions.get("supportsDocumentFonts")) { + AppOptions.set("disableFontFace", true); + this.l10n.get("pdfjs-web-fonts-disabled").then(msg => { + console.warn(msg); + }); + } + if (!this.supportsPrinting) { + appConfig.toolbar?.print?.classList.add("hidden"); + appConfig.secondaryToolbar?.printButton.classList.add("hidden"); + } + if (!this.supportsFullscreen) { + appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden"); + } + if (this.supportsIntegratedFind) { + appConfig.toolbar?.viewFind?.classList.add("hidden"); + } + this.initPassiveLoading(file); + const { + mainContainer + } = appConfig; + ({ + scrollTop: this._lastScrollTop, + scrollLeft: this._lastScrollLeft + } = mainContainer); + const scroll = () => { + if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) { + return; + } + mainContainer.removeEventListener("scroll", scroll, { + passive: true + }); + this._isScrolling = true; + const scrollend = () => { + ({ + scrollTop: this._lastScrollTop, + scrollLeft: this._lastScrollLeft + } = mainContainer); + this._isScrolling = false; + mainContainer.addEventListener("scroll", scroll, { + passive: true + }); + mainContainer.removeEventListener("scrollend", scrollend); + mainContainer.removeEventListener("blur", scrollend); + }; + mainContainer.addEventListener("scrollend", scrollend); + mainContainer.addEventListener("blur", scrollend); + }; + mainContainer.addEventListener("scroll", scroll, { + passive: true + }); + }, + get externalServices() { + return shadow(this, "externalServices", new ExternalServices()); + }, + get mlManager() { + return shadow(this, "mlManager", AppOptions.get("enableML") === true ? new MLManager() : null); + }, + get initialized() { + return this._initializedCapability.settled; + }, + get initializedPromise() { + return this._initializedCapability.promise; + }, + zoomIn(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.increaseScale({ + drawingDelay: AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomOut(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.decreaseScale({ + drawingDelay: AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomReset() { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + }, + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + }, + get page() { + return this.pdfViewer.currentPageNumber; + }, + set page(val) { + this.pdfViewer.currentPageNumber = val; + }, + get supportsPrinting() { + return PDFPrintServiceFactory.supportsPrinting; + }, + get supportsFullscreen() { + return shadow(this, "supportsFullscreen", document.fullscreenEnabled); + }, + get supportsPinchToZoom() { + return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom")); + }, + get supportsIntegratedFind() { + return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind")); + }, + get loadingBar() { + const barElement = document.getElementById("loadingBar"); + const bar = barElement ? new ProgressBar(barElement) : null; + return shadow(this, "loadingBar", bar); + }, + get supportsMouseWheelZoomCtrlKey() { + return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey")); + }, + get supportsMouseWheelZoomMetaKey() { + return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey")); + }, + get supportsCaretBrowsingMode() { + return shadow(this, "supportsCaretBrowsingMode", AppOptions.get("supportsCaretBrowsingMode")); + }, + moveCaret(isUp, select) { + this._caretBrowsing ||= new CaretBrowsingMode(this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container); + this._caretBrowsing.moveCaret(isUp, select); + }, + initPassiveLoading(file) { + this.setTitleUsingUrl(file, file); + this.externalServices.initPassiveLoading({ + onOpenWithTransport: range => { + this.open({ + range + }); + }, + onOpenWithData: (data, contentDispositionFilename) => { + if (isPdfFile(contentDispositionFilename)) { + this._contentDispositionFilename = contentDispositionFilename; + } + this.open({ + data + }); + }, + onOpenWithURL: (url, length, originalUrl) => { + this.open({ + url, + length, + originalUrl + }); + }, + onError: err => { + this.l10n.get("pdfjs-loading-error").then(msg => { + this._documentError(msg, err); + }); + }, + onProgress: (loaded, total) => { + this.progress(loaded / total); + } + }); + }, + setTitleUsingUrl(url = "", downloadUrl = null) { + this.url = url; + this.baseUrl = url.split("#", 1)[0]; + if (downloadUrl) { + this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split("#", 1)[0]; + } + if (isDataScheme(url)) { + this._hideViewBookmark(); + } + let title = getPdfFilenameFromUrl(url, ""); + if (!title) { + try { + title = decodeURIComponent(getFilenameFromUrl(url)) || url; + } catch { + title = url; + } + } + this.setTitle(title); + }, + setTitle(title = this._title) { + this._title = title; + if (this.isViewerEmbedded) { + return; + } + const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing; + document.title = `${editorIndicator ? "* " : ""}${title}`; + }, + get _docFilename() { + return this._contentDispositionFilename || getPdfFilenameFromUrl(this.url); + }, + _hideViewBookmark() { + const { + secondaryToolbar + } = this.appConfig; + secondaryToolbar?.viewBookmarkButton.classList.add("hidden"); + if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) { + document.getElementById("viewBookmarkSeparator")?.classList.add("hidden"); + } + }, + async close() { + this._unblockDocumentLoadEvent(); + this._hideViewBookmark(); + if (!this.pdfLoadingTask) { + return; + } + const promises = []; + promises.push(this.pdfLoadingTask.destroy()); + this.pdfLoadingTask = null; + if (this.pdfDocument) { + this.pdfDocument = null; + this.pdfThumbnailViewer?.setDocument(null); + this.pdfViewer.setDocument(null); + this.pdfLinkService.setDocument(null); + this.pdfDocumentProperties?.setDocument(null); + } + this.pdfLinkService.externalLinkEnabled = true; + this.store = null; + this.isInitialViewSet = false; + this.downloadComplete = false; + this.url = ""; + this.baseUrl = ""; + this._downloadUrl = ""; + this.documentInfo = null; + this.metadata = null; + this._contentDispositionFilename = null; + this._contentLength = null; + this._saveInProgress = false; + this._hasAnnotationEditors = false; + promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close()); + this.setTitle(); + this.pdfSidebar?.reset(); + this.pdfOutlineViewer?.reset(); + this.pdfAttachmentViewer?.reset(); + this.pdfLayerViewer?.reset(); + this.pdfHistory?.reset(); + this.findBar?.reset(); + this.toolbar?.reset(); + this.secondaryToolbar?.reset(); + this._PDFBug?.cleanup(); + await Promise.all(promises); + }, + async open(args) { + if (this.pdfLoadingTask) { + await this.close(); + } + const workerParams = AppOptions.getAll(OptionKind.WORKER); + Object.assign(GlobalWorkerOptions, workerParams); + AppOptions.set("docBaseUrl", this.baseUrl); + const apiParams = AppOptions.getAll(OptionKind.API); + const loadingTask = getDocument({ + ...apiParams, + ...args + }); + this.pdfLoadingTask = loadingTask; + loadingTask.onPassword = (updateCallback, reason) => { + if (this.isViewerEmbedded) { + this._unblockDocumentLoadEvent(); + } + this.pdfLinkService.externalLinkEnabled = false; + this.passwordPrompt.setUpdateCallback(updateCallback, reason); + this.passwordPrompt.open(); + }; + loadingTask.onProgress = ({ + loaded, + total + }) => { + this.progress(loaded / total); + }; + return loadingTask.promise.then(pdfDocument => { + this.load(pdfDocument); + }, reason => { + if (loadingTask !== this.pdfLoadingTask) { + return undefined; + } + let key = "pdfjs-loading-error"; + if (reason instanceof InvalidPDFException) { + key = "pdfjs-invalid-file-error"; + } else if (reason instanceof MissingPDFException) { + key = "pdfjs-missing-file-error"; + } else if (reason instanceof UnexpectedResponseException) { + key = "pdfjs-unexpected-response-error"; + } + return this.l10n.get(key).then(msg => { + this._documentError(msg, { + message: reason?.message + }); + throw reason; + }); + }); + }, + _ensureDownloadComplete() { + if (this.pdfDocument && this.downloadComplete) { + return; + } + throw new Error("PDF document not downloaded."); + }, + async download(options = {}) { + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.getData(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch { + await this.downloadManager.downloadUrl(url, filename, options); + } + }, + async save(options = {}) { + if (this._saveInProgress) { + return; + } + this._saveInProgress = true; + await this.pdfScriptingManager.dispatchWillSave(); + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.saveDocument(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch (reason) { + console.error(`Error when saving the document: ${reason.message}`); + await this.download(options); + } finally { + await this.pdfScriptingManager.dispatchDidSave(); + this._saveInProgress = false; + } + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "save", + stats: this.pdfDocument?.annotationStorage.editorStats + } + }); + } + }, + downloadOrSave(options = {}) { + if (this.pdfDocument?.annotationStorage.size > 0) { + this.save(options); + } else { + this.download(options); + } + }, + openInExternalApp() { + this.downloadOrSave({ + openInExternalApp: true + }); + }, + _documentError(message, moreInfo = null) { + this._unblockDocumentLoadEvent(); + this._otherError(message, moreInfo); + this.eventBus.dispatch("documenterror", { + source: this, + message, + reason: moreInfo?.message ?? null + }); + }, + _otherError(message, moreInfo = null) { + const moreInfoText = [`PDF.js v${version || "?"} (build: ${build || "?"})`]; + if (moreInfo) { + moreInfoText.push(`Message: ${moreInfo.message}`); + if (moreInfo.stack) { + moreInfoText.push(`Stack: ${moreInfo.stack}`); + } else { + if (moreInfo.filename) { + moreInfoText.push(`File: ${moreInfo.filename}`); + } + if (moreInfo.lineNumber) { + moreInfoText.push(`Line: ${moreInfo.lineNumber}`); + } + } + } + console.error(`${message}\n\n${moreInfoText.join("\n")}`); + }, + progress(level) { + if (!this.loadingBar || this.downloadComplete) { + return; + } + const percent = Math.round(level * 100); + if (percent <= this.loadingBar.percent) { + return; + } + this.loadingBar.percent = percent; + if (this.pdfDocument?.loadingParams.disableAutoFetch ?? AppOptions.get("disableAutoFetch")) { + this.loadingBar.setDisableAutoFetch(); + } + }, + load(pdfDocument) { + this.pdfDocument = pdfDocument; + pdfDocument.getDownloadInfo().then(({ + length + }) => { + this._contentLength = length; + this.downloadComplete = true; + this.loadingBar?.hide(); + firstPagePromise.then(() => { + this.eventBus.dispatch("documentloaded", { + source: this + }); + }); + }); + const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => {}); + const pageModePromise = pdfDocument.getPageMode().catch(() => {}); + const openActionPromise = pdfDocument.getOpenAction().catch(() => {}); + this.toolbar?.setPagesCount(pdfDocument.numPages, false); + this.secondaryToolbar?.setPagesCount(pdfDocument.numPages); + this.pdfLinkService.setDocument(pdfDocument); + this.pdfDocumentProperties?.setDocument(pdfDocument); + const pdfViewer = this.pdfViewer; + pdfViewer.setDocument(pdfDocument); + const { + firstPagePromise, + onePageRendered, + pagesPromise + } = pdfViewer; + this.pdfThumbnailViewer?.setDocument(pdfDocument); + const storedPromise = (this.store = new ViewHistory(pdfDocument.fingerprints[0])).getMultiple({ + page: null, + zoom: DEFAULT_SCALE_VALUE, + scrollLeft: "0", + scrollTop: "0", + rotation: null, + sidebarView: SidebarView.UNKNOWN, + scrollMode: ScrollMode.UNKNOWN, + spreadMode: SpreadMode.UNKNOWN + }).catch(() => {}); + firstPagePromise.then(pdfPage => { + this.loadingBar?.setWidth(this.appConfig.viewerContainer); + this._initializeAnnotationStorageCallbacks(pdfDocument); + Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { + const viewOnLoad = AppOptions.get("viewOnLoad"); + this._initializePdfHistory({ + fingerprint: pdfDocument.fingerprints[0], + viewOnLoad, + initialDest: openAction?.dest + }); + const initialBookmark = this.initialBookmark; + const zoom = AppOptions.get("defaultZoomValue"); + let hash = zoom ? `zoom=${zoom}` : null; + let rotation = null; + let sidebarView = AppOptions.get("sidebarViewOnLoad"); + let scrollMode = AppOptions.get("scrollModeOnLoad"); + let spreadMode = AppOptions.get("spreadModeOnLoad"); + if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) { + hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`; + rotation = parseInt(stored.rotation, 10); + if (sidebarView === SidebarView.UNKNOWN) { + sidebarView = stored.sidebarView | 0; + } + if (scrollMode === ScrollMode.UNKNOWN) { + scrollMode = stored.scrollMode | 0; + } + if (spreadMode === SpreadMode.UNKNOWN) { + spreadMode = stored.spreadMode | 0; + } + } + if (pageMode && sidebarView === SidebarView.UNKNOWN) { + sidebarView = apiPageModeToSidebarView(pageMode); + } + if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) { + const modes = apiPageLayoutToViewerModes(pageLayout); + spreadMode = modes.spreadMode; + } + this.setInitialView(hash, { + rotation, + sidebarView, + scrollMode, + spreadMode + }); + this.eventBus.dispatch("documentinit", { + source: this + }); + if (!this.isViewerEmbedded) { + pdfViewer.focus(); + } + await Promise.race([pagesPromise, new Promise(resolve => { + setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT); + })]); + if (!initialBookmark && !hash) { + return; + } + if (pdfViewer.hasEqualPageSizes) { + return; + } + this.initialBookmark = initialBookmark; + pdfViewer.currentScaleValue = pdfViewer.currentScaleValue; + this.setInitialView(hash); + }).catch(() => { + this.setInitialView(); + }).then(function () { + pdfViewer.update(); + }); + }); + pagesPromise.then(() => { + this._unblockDocumentLoadEvent(); + this._initializeAutoPrint(pdfDocument, openActionPromise); + }, reason => { + this.l10n.get("pdfjs-loading-error").then(msg => { + this._documentError(msg, { + message: reason?.message + }); + }); + }); + onePageRendered.then(data => { + this.externalServices.reportTelemetry({ + type: "pageInfo", + timestamp: data.timestamp + }); + if (this.pdfOutlineViewer) { + pdfDocument.getOutline().then(outline => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfOutlineViewer.render({ + outline, + pdfDocument + }); + }); + } + if (this.pdfAttachmentViewer) { + pdfDocument.getAttachments().then(attachments => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfAttachmentViewer.render({ + attachments + }); + }); + } + if (this.pdfLayerViewer) { + pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfLayerViewer.render({ + optionalContentConfig, + pdfDocument + }); + }); + } + }); + this._initializePageLabels(pdfDocument); + this._initializeMetadata(pdfDocument); + }, + async _scriptingDocProperties(pdfDocument) { + if (!this.documentInfo) { + await new Promise(resolve => { + this.eventBus._on("metadataloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + if (!this._contentLength) { + await new Promise(resolve => { + this.eventBus._on("documentloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + return { + ...this.documentInfo, + baseURL: this.baseUrl, + filesize: this._contentLength, + filename: this._docFilename, + metadata: this.metadata?.getRaw(), + authors: this.metadata?.get("dc:creator"), + numPages: this.pagesCount, + URL: this.url + }; + }, + async _initializeAutoPrint(pdfDocument, openActionPromise) { + const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]); + if (pdfDocument !== this.pdfDocument) { + return; + } + let triggerAutoPrint = openAction?.action === "Print"; + if (jsActions) { + console.warn("Warning: JavaScript support is not enabled"); + for (const name in jsActions) { + if (triggerAutoPrint) { + break; + } + switch (name) { + case "WillClose": + case "WillSave": + case "DidSave": + case "WillPrint": + case "DidPrint": + continue; + } + triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js)); + } + } + if (triggerAutoPrint) { + this.triggerPrinting(); + } + }, + async _initializeMetadata(pdfDocument) { + const { + info, + metadata, + contentDispositionFilename, + contentLength + } = await pdfDocument.getMetadata(); + if (pdfDocument !== this.pdfDocument) { + return; + } + this.documentInfo = info; + this.metadata = metadata; + this._contentDispositionFilename ??= contentDispositionFilename; + this._contentLength ??= contentLength; + console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${version || "?"} [${build || "?"}])`); + let pdfTitle = info.Title; + const metadataTitle = metadata?.get("dc:title"); + if (metadataTitle) { + if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) { + pdfTitle = metadataTitle; + } + } + if (pdfTitle) { + this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`); + } else if (this._contentDispositionFilename) { + this.setTitle(this._contentDispositionFilename); + } + if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) { + if (pdfDocument.loadingParams.enableXfa) { + console.warn("Warning: XFA Foreground documents are not supported"); + } else { + console.warn("Warning: XFA support is not enabled"); + } + } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) { + console.warn("Warning: Interactive form support is not enabled"); + } + if (info.IsSignaturesPresent) { + console.warn("Warning: Digital signatures validation is not supported"); + } + this.eventBus.dispatch("metadataloaded", { + source: this + }); + }, + async _initializePageLabels(pdfDocument) {}, + _initializePdfHistory({ + fingerprint, + viewOnLoad, + initialDest = null + }) { + if (!this.pdfHistory) { + return; + } + this.pdfHistory.initialize({ + fingerprint, + resetHistory: viewOnLoad === ViewOnLoad.INITIAL, + updateUrl: AppOptions.get("historyUpdateUrl") + }); + if (this.pdfHistory.initialBookmark) { + this.initialBookmark = this.pdfHistory.initialBookmark; + this.initialRotation = this.pdfHistory.initialRotation; + } + if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) { + this.initialBookmark = JSON.stringify(initialDest); + this.pdfHistory.push({ + explicitDest: initialDest, + pageNumber: null + }); + } + }, + _initializeAnnotationStorageCallbacks(pdfDocument) { + if (pdfDocument !== this.pdfDocument) { + return; + } + const { + annotationStorage + } = pdfDocument; + annotationStorage.onSetModified = () => { + window.addEventListener("beforeunload", beforeUnload); + }; + annotationStorage.onResetModified = () => { + window.removeEventListener("beforeunload", beforeUnload); + }; + annotationStorage.onAnnotationEditor = typeStr => { + this._hasAnnotationEditors = !!typeStr; + this.setTitle(); + }; + }, + setInitialView(storedHash, { + rotation, + sidebarView, + scrollMode, + spreadMode + } = {}) { + const setRotation = angle => { + if (isValidRotation(angle)) { + this.pdfViewer.pagesRotation = angle; + } + }; + const setViewerModes = (scroll, spread) => { + if (isValidScrollMode(scroll)) { + this.pdfViewer.scrollMode = scroll; + } + if (isValidSpreadMode(spread)) { + this.pdfViewer.spreadMode = spread; + } + }; + this.isInitialViewSet = true; + this.pdfSidebar?.setInitialView(sidebarView); + setViewerModes(scrollMode, spreadMode); + if (this.initialBookmark) { + setRotation(this.initialRotation); + delete this.initialRotation; + this.pdfLinkService.setHash(this.initialBookmark); + this.initialBookmark = null; + } else if (storedHash) { + setRotation(rotation); + this.pdfLinkService.setHash(storedHash); + } + this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel); + this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber); + if (!this.pdfViewer.currentScaleValue) { + this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + } + }, + _cleanup() { + if (!this.pdfDocument) { + return; + } + this.pdfViewer.cleanup(); + this.pdfThumbnailViewer?.cleanup(); + this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties")); + }, + forceRendering() { + this.pdfRenderingQueue.printing = !!this.printService; + this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS; + this.pdfRenderingQueue.renderHighestPriority(); + }, + beforePrint() { + this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print); + if (this.printService) { + return; + } + if (!this.supportsPrinting) { + this.l10n.get("pdfjs-printing-not-supported").then(msg => { + this._otherError(msg); + }); + return; + } + if (!this.pdfViewer.pageViewsReady) { + this.l10n.get("pdfjs-printing-not-ready").then(msg => { + window.alert(msg); + }); + return; + } + this.printService = PDFPrintServiceFactory.createPrintService({ + pdfDocument: this.pdfDocument, + pagesOverview: this.pdfViewer.getPagesOverview(), + printContainer: this.appConfig.printContainer, + printResolution: AppOptions.get("printResolution"), + optionalContentConfigPromise: this.pdfViewer.optionalContentConfigPromise, + printAnnotationStoragePromise: this._printAnnotationStoragePromise + }); + this.forceRendering(); + this.setTitle(); + this.printService.layout(); + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "print", + stats: this.pdfDocument?.annotationStorage.editorStats + } + }); + } + }, + afterPrint() { + if (this._printAnnotationStoragePromise) { + this._printAnnotationStoragePromise.then(() => { + this.pdfScriptingManager.dispatchDidPrint(); + }); + this._printAnnotationStoragePromise = null; + } + if (this.printService) { + this.printService.destroy(); + this.printService = null; + this.pdfDocument?.annotationStorage.resetModified(); + } + this.forceRendering(); + this.setTitle(); + }, + rotatePages(delta) { + this.pdfViewer.pagesRotation += delta; + }, + requestPresentationMode() { + this.pdfPresentationMode?.request(); + }, + triggerPrinting() { + if (!this.supportsPrinting) { + return; + } + window.print(); + }, + bindEvents() { + const { + eventBus, + _boundEvents + } = this; + _boundEvents.beforePrint = this.beforePrint.bind(this); + _boundEvents.afterPrint = this.afterPrint.bind(this); + eventBus._on("resize", webViewerResize); + eventBus._on("hashchange", webViewerHashchange); + eventBus._on("beforeprint", _boundEvents.beforePrint); + eventBus._on("afterprint", _boundEvents.afterPrint); + eventBus._on("pagerender", webViewerPageRender); + eventBus._on("pagerendered", webViewerPageRendered); + eventBus._on("updateviewarea", webViewerUpdateViewarea); + eventBus._on("pagechanging", webViewerPageChanging); + eventBus._on("scalechanging", webViewerScaleChanging); + eventBus._on("rotationchanging", webViewerRotationChanging); + eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged); + eventBus._on("pagemode", webViewerPageMode); + eventBus._on("namedaction", webViewerNamedAction); + eventBus._on("presentationmodechanged", webViewerPresentationModeChanged); + eventBus._on("presentationmode", webViewerPresentationMode); + eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode); + eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams); + eventBus._on("print", webViewerPrint); + eventBus._on("download", webViewerDownload); + eventBus._on("openinexternalapp", webViewerOpenInExternalApp); + eventBus._on("firstpage", webViewerFirstPage); + eventBus._on("lastpage", webViewerLastPage); + eventBus._on("nextpage", webViewerNextPage); + eventBus._on("previouspage", webViewerPreviousPage); + eventBus._on("zoomin", webViewerZoomIn); + eventBus._on("zoomout", webViewerZoomOut); + eventBus._on("zoomreset", webViewerZoomReset); + eventBus._on("pagenumberchanged", webViewerPageNumberChanged); + eventBus._on("scalechanged", webViewerScaleChanged); + eventBus._on("rotatecw", webViewerRotateCw); + eventBus._on("rotateccw", webViewerRotateCcw); + eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig); + eventBus._on("switchscrollmode", webViewerSwitchScrollMode); + eventBus._on("scrollmodechanged", webViewerScrollModeChanged); + eventBus._on("switchspreadmode", webViewerSwitchSpreadMode); + eventBus._on("spreadmodechanged", webViewerSpreadModeChanged); + eventBus._on("documentproperties", webViewerDocumentProperties); + eventBus._on("findfromurlhash", webViewerFindFromUrlHash); + eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount); + eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState); + if (AppOptions.get("pdfBug")) { + _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug; + eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug); + eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug); + } + eventBus._on("annotationeditorstateschanged", webViewerAnnotationEditorStatesChanged); + eventBus._on("reporttelemetry", webViewerReportTelemetry); + }, + bindWindowEvents() { + const { + eventBus, + _boundEvents + } = this; + function addWindowResolutionChange(evt = null) { + if (evt) { + webViewerResolutionChange(evt); + } + const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`); + mediaQueryList.addEventListener("change", addWindowResolutionChange, { + once: true + }); + } + addWindowResolutionChange(); + _boundEvents.windowResize = () => { + eventBus.dispatch("resize", { + source: window + }); + }; + _boundEvents.windowHashChange = () => { + eventBus.dispatch("hashchange", { + source: window, + hash: document.location.hash.substring(1) + }); + }; + _boundEvents.windowBeforePrint = () => { + eventBus.dispatch("beforeprint", { + source: window + }); + }; + _boundEvents.windowAfterPrint = () => { + eventBus.dispatch("afterprint", { + source: window + }); + }; + _boundEvents.windowUpdateFromSandbox = event => { + eventBus.dispatch("updatefromsandbox", { + source: window, + detail: event.detail + }); + }; + window.addEventListener("visibilitychange", webViewerVisibilityChange); + window.addEventListener("wheel", webViewerWheel, { + passive: false + }); + window.addEventListener("touchstart", webViewerTouchStart, { + passive: false + }); + window.addEventListener("touchmove", webViewerTouchMove, { + passive: false + }); + window.addEventListener("touchend", webViewerTouchEnd, { + passive: false + }); + window.addEventListener("click", webViewerClick); + window.addEventListener("keydown", webViewerKeyDown); + window.addEventListener("keyup", webViewerKeyUp); + window.addEventListener("resize", _boundEvents.windowResize); + window.addEventListener("hashchange", _boundEvents.windowHashChange); + window.addEventListener("beforeprint", _boundEvents.windowBeforePrint); + window.addEventListener("afterprint", _boundEvents.windowAfterPrint); + window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox); + }, + unbindEvents() { + throw new Error("Not implemented: unbindEvents"); + }, + unbindWindowEvents() { + throw new Error("Not implemented: unbindWindowEvents"); + }, + _accumulateTicks(ticks, prop) { + if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) { + this[prop] = 0; + } + this[prop] += ticks; + const wholeTicks = Math.trunc(this[prop]); + this[prop] -= wholeTicks; + return wholeTicks; + }, + _accumulateFactor(previousScale, factor, prop) { + if (factor === 1) { + return 1; + } + if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) { + this[prop] = 1; + } + const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale); + this[prop] = factor / newFactor; + return newFactor; + }, + _centerAtPos(previousScale, x, y) { + const { + pdfViewer + } = this; + const scaleDiff = pdfViewer.currentScale / previousScale - 1; + if (scaleDiff !== 0) { + const [top, left] = pdfViewer.containerTopLeft; + pdfViewer.container.scrollLeft += (x - left) * scaleDiff; + pdfViewer.container.scrollTop += (y - top) * scaleDiff; + } + }, + _unblockDocumentLoadEvent() { + document.blockUnblockOnload?.(false); + this._unblockDocumentLoadEvent = () => {}; + }, + get scriptingReady() { + return this.pdfScriptingManager.ready; + } +}; +initCom(PDFViewerApplication); +async function loadFakeWorker() { + GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc"); + await import( /*webpackIgnore: true*/PDFWorker.workerSrc); +} +async function loadPDFBug(self) { + const { + PDFBug + } = await import( /*webpackIgnore: true*/AppOptions.get("debuggerSrc")); + self._PDFBug = PDFBug; +} +function reportPageStatsPDFBug({ + pageNumber +}) { + if (!globalThis.Stats?.enabled) { + return; + } + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats); +} +function webViewerPageRender({ + pageNumber +}) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true); + } +} +function webViewerPageRendered({ + pageNumber, + error +}) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false); + } + if (PDFViewerApplication.pdfSidebar?.visibleView === SidebarView.THUMBS) { + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1); + if (pageView) { + thumbnailView?.setImage(pageView); + } + } + if (error) { + PDFViewerApplication.l10n.get("pdfjs-rendering-error").then(msg => { + PDFViewerApplication._otherError(msg, error); + }); + } +} +function webViewerPageMode({ + mode +}) { + let view; + switch (mode) { + case "thumbs": + view = SidebarView.THUMBS; + break; + case "bookmarks": + case "outline": + view = SidebarView.OUTLINE; + break; + case "attachments": + view = SidebarView.ATTACHMENTS; + break; + case "layers": + view = SidebarView.LAYERS; + break; + case "none": + view = SidebarView.NONE; + break; + default: + console.error('Invalid "pagemode" hash parameter: ' + mode); + return; + } + PDFViewerApplication.pdfSidebar?.switchView(view, true); +} +function webViewerNamedAction(evt) { + switch (evt.action) { + case "GoToPage": + PDFViewerApplication.appConfig.toolbar?.pageNumber.select(); + break; + case "Find": + if (!PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.findBar?.toggle(); + } + break; + case "Print": + PDFViewerApplication.triggerPrinting(); + break; + case "SaveAs": + PDFViewerApplication.downloadOrSave(); + break; + } +} +function webViewerPresentationModeChanged(evt) { + PDFViewerApplication.pdfViewer.presentationModeState = evt.state; +} +function webViewerSidebarViewChanged({ + view +}) { + PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === SidebarView.THUMBS; + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.set("sidebarView", view).catch(() => {}); + } +} +function webViewerUpdateViewarea({ + location +}) { + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.setMultiple({ + page: location.pageNumber, + zoom: location.scale, + scrollLeft: location.left, + scrollTop: location.top, + rotation: location.rotation + }).catch(() => {}); + } + if (PDFViewerApplication.appConfig.secondaryToolbar) { + const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams); + PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href; + } +} +function webViewerScrollModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("scrollMode", evt.mode).catch(() => {}); + } +} +function webViewerSpreadModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("spreadMode", evt.mode).catch(() => {}); + } +} +function webViewerResize() { + const { + pdfDocument, + pdfViewer, + pdfRenderingQueue + } = PDFViewerApplication; + if (pdfRenderingQueue.printing && window.matchMedia("print").matches) { + return; + } + if (!pdfDocument) { + return; + } + const currentScaleValue = pdfViewer.currentScaleValue; + if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") { + pdfViewer.currentScaleValue = currentScaleValue; + } + pdfViewer.update(); +} +function webViewerHashchange(evt) { + const hash = evt.hash; + if (!hash) { + return; + } + if (!PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.initialBookmark = hash; + } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) { + PDFViewerApplication.pdfLinkService.setHash(hash); + } +} +function webViewerPresentationMode() { + PDFViewerApplication.requestPresentationMode(); +} +function webViewerSwitchAnnotationEditorMode(evt) { + PDFViewerApplication.pdfViewer.annotationEditorMode = evt; +} +function webViewerSwitchAnnotationEditorParams(evt) { + PDFViewerApplication.pdfViewer.annotationEditorParams = evt; +} +function webViewerPrint() { + PDFViewerApplication.triggerPrinting(); +} +function webViewerDownload() { + PDFViewerApplication.downloadOrSave(); +} +function webViewerOpenInExternalApp() { + PDFViewerApplication.openInExternalApp(); +} +function webViewerFirstPage() { + PDFViewerApplication.page = 1; +} +function webViewerLastPage() { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; +} +function webViewerNextPage() { + PDFViewerApplication.pdfViewer.nextPage(); +} +function webViewerPreviousPage() { + PDFViewerApplication.pdfViewer.previousPage(); +} +function webViewerZoomIn() { + PDFViewerApplication.zoomIn(); +} +function webViewerZoomOut() { + PDFViewerApplication.zoomOut(); +} +function webViewerZoomReset() { + PDFViewerApplication.zoomReset(); +} +function webViewerPageNumberChanged(evt) { + const pdfViewer = PDFViewerApplication.pdfViewer; + if (evt.value !== "") { + PDFViewerApplication.pdfLinkService.goToPage(evt.value); + } + if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) { + PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); + } +} +function webViewerScaleChanged(evt) { + PDFViewerApplication.pdfViewer.currentScaleValue = evt.value; +} +function webViewerRotateCw() { + PDFViewerApplication.rotatePages(90); +} +function webViewerRotateCcw() { + PDFViewerApplication.rotatePages(-90); +} +function webViewerOptionalContentConfig(evt) { + PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise; +} +function webViewerSwitchScrollMode(evt) { + PDFViewerApplication.pdfViewer.scrollMode = evt.mode; +} +function webViewerSwitchSpreadMode(evt) { + PDFViewerApplication.pdfViewer.spreadMode = evt.mode; +} +function webViewerDocumentProperties() { + PDFViewerApplication.pdfDocumentProperties?.open(); +} +function webViewerFindFromUrlHash(evt) { + PDFViewerApplication.eventBus.dispatch("find", { + source: evt.source, + type: "", + query: evt.query, + caseSensitive: false, + entireWord: false, + highlightAll: true, + findPrevious: false, + matchDiacritics: true + }); +} +function webViewerUpdateFindMatchesCount({ + matchesCount +}) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount); + } else { + PDFViewerApplication.findBar?.updateResultsCount(matchesCount); + } +} +function webViewerUpdateFindControlState({ + state, + previous, + matchesCount, + rawQuery +}) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindControlState({ + result: state, + findPrevious: previous, + matchesCount, + rawQuery + }); + } else { + PDFViewerApplication.findBar?.updateUIState(state, previous, matchesCount); + } +} +function webViewerScaleChanging(evt) { + PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale); + PDFViewerApplication.pdfViewer.update(); +} +function webViewerRotationChanging(evt) { + if (PDFViewerApplication.pdfThumbnailViewer) { + PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation; + } + PDFViewerApplication.forceRendering(); + PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber; +} +function webViewerPageChanging({ + pageNumber, + pageLabel +}) { + PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel); + PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber); + if (PDFViewerApplication.pdfSidebar?.visibleView === SidebarView.THUMBS) { + PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); + } + const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === RenderingStates.RUNNING); +} +function webViewerResolutionChange(evt) { + PDFViewerApplication.pdfViewer.refresh(); +} +function webViewerVisibilityChange(evt) { + if (document.visibilityState === "visible") { + setZoomDisabledTimeout(); + } +} +let zoomDisabledTimeout = null; +function setZoomDisabledTimeout() { + if (zoomDisabledTimeout) { + clearTimeout(zoomDisabledTimeout); + } + zoomDisabledTimeout = setTimeout(function () { + zoomDisabledTimeout = null; + }, WHEEL_ZOOM_DISABLED_TIMEOUT); +} +function webViewerWheel(evt) { + const { + pdfViewer, + supportsMouseWheelZoomCtrlKey, + supportsMouseWheelZoomMetaKey, + supportsPinchToZoom + } = PDFViewerApplication; + if (pdfViewer.isInPresentationMode) { + return; + } + const deltaMode = evt.deltaMode; + let scaleFactor = Math.exp(-evt.deltaY / 100); + const isBuiltInMac = FeatureTest.platform.isMac; + const isPinchToZoom = evt.ctrlKey && !PDFViewerApplication._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0; + if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) { + evt.preventDefault(); + if (PDFViewerApplication._isScrolling || zoomDisabledTimeout || document.visibilityState === "hidden" || PDFViewerApplication.overlayManager.active) { + return; + } + const previousScale = pdfViewer.currentScale; + if (isPinchToZoom && supportsPinchToZoom) { + scaleFactor = PDFViewerApplication._accumulateFactor(previousScale, scaleFactor, "_wheelUnusedFactor"); + if (scaleFactor < 1) { + PDFViewerApplication.zoomOut(null, scaleFactor); + } else if (scaleFactor > 1) { + PDFViewerApplication.zoomIn(null, scaleFactor); + } else { + return; + } + } else { + const delta = normalizeWheelEventDirection(evt); + let ticks = 0; + if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) { + if (Math.abs(delta) >= 1) { + ticks = Math.sign(delta); + } else { + ticks = PDFViewerApplication._accumulateTicks(delta, "_wheelUnusedTicks"); + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + ticks = PDFViewerApplication._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks"); + } + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, evt.clientX, evt.clientY); + } +} +function webViewerTouchStart(evt) { + if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { + return; + } + evt.preventDefault(); + if (evt.touches.length !== 2 || PDFViewerApplication.overlayManager.active) { + PDFViewerApplication._touchInfo = null; + return; + } + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + PDFViewerApplication._touchInfo = { + touch0X: touch0.pageX, + touch0Y: touch0.pageY, + touch1X: touch1.pageX, + touch1Y: touch1.pageY + }; +} +function webViewerTouchMove(evt) { + if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) { + return; + } + const { + pdfViewer, + _touchInfo, + supportsPinchToZoom + } = PDFViewerApplication; + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + const { + pageX: page0X, + pageY: page0Y + } = touch0; + const { + pageX: page1X, + pageY: page1Y + } = touch1; + const { + touch0X: pTouch0X, + touch0Y: pTouch0Y, + touch1X: pTouch1X, + touch1Y: pTouch1Y + } = _touchInfo; + if (Math.abs(pTouch0X - page0X) <= 1 && Math.abs(pTouch0Y - page0Y) <= 1 && Math.abs(pTouch1X - page1X) <= 1 && Math.abs(pTouch1Y - page1Y) <= 1) { + return; + } + _touchInfo.touch0X = page0X; + _touchInfo.touch0Y = page0Y; + _touchInfo.touch1X = page1X; + _touchInfo.touch1Y = page1Y; + if (pTouch0X === page0X && pTouch0Y === page0Y) { + const v1X = pTouch1X - page0X; + const v1Y = pTouch1Y - page0Y; + const v2X = page1X - page0X; + const v2Y = page1Y - page0Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else if (pTouch1X === page1X && pTouch1Y === page1Y) { + const v1X = pTouch0X - page1X; + const v1Y = pTouch0Y - page1Y; + const v2X = page0X - page1X; + const v2Y = page0Y - page1Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else { + const diff0X = page0X - pTouch0X; + const diff1X = page1X - pTouch1X; + const diff0Y = page0Y - pTouch0Y; + const diff1Y = page1Y - pTouch1Y; + const dotProduct = diff0X * diff1X + diff0Y * diff1Y; + if (dotProduct >= 0) { + return; + } + } + evt.preventDefault(); + const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1; + const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1; + const previousScale = pdfViewer.currentScale; + if (supportsPinchToZoom) { + const newScaleFactor = PDFViewerApplication._accumulateFactor(previousScale, distance / pDistance, "_touchUnusedFactor"); + if (newScaleFactor < 1) { + PDFViewerApplication.zoomOut(null, newScaleFactor); + } else if (newScaleFactor > 1) { + PDFViewerApplication.zoomIn(null, newScaleFactor); + } else { + return; + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks"); + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, (page0X + page1X) / 2, (page0Y + page1Y) / 2); +} +function webViewerTouchEnd(evt) { + if (!PDFViewerApplication._touchInfo) { + return; + } + evt.preventDefault(); + PDFViewerApplication._touchInfo = null; + PDFViewerApplication._touchUnusedTicks = 0; + PDFViewerApplication._touchUnusedFactor = 1; +} +function webViewerClick(evt) { + if (!PDFViewerApplication.secondaryToolbar?.isOpen) { + return; + } + const appConfig = PDFViewerApplication.appConfig; + if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar?.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar?.toggleButton) { + PDFViewerApplication.secondaryToolbar.close(); + } +} +function webViewerKeyUp(evt) { + if (evt.key === "Control") { + PDFViewerApplication._isCtrlKeyDown = false; + } +} +function webViewerKeyDown(evt) { + PDFViewerApplication._isCtrlKeyDown = evt.key === "Control"; + if (PDFViewerApplication.overlayManager.active) { + return; + } + const { + eventBus, + pdfViewer + } = PDFViewerApplication; + const isViewerInPresentationMode = pdfViewer.isInPresentationMode; + let handled = false, + ensureViewerFocused = false; + const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0); + if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) { + switch (evt.keyCode) { + case 70: + if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) { + PDFViewerApplication.findBar?.open(); + handled = true; + } + break; + case 71: + if (!PDFViewerApplication.supportsIntegratedFind) { + const { + state + } = PDFViewerApplication.findController; + if (state) { + const newState = { + source: window, + type: "again", + findPrevious: cmd === 5 || cmd === 12 + }; + eventBus.dispatch("find", { + ...state, + ...newState + }); + } + handled = true; + } + break; + case 61: + case 107: + case 187: + case 171: + PDFViewerApplication.zoomIn(); + handled = true; + break; + case 173: + case 109: + case 189: + PDFViewerApplication.zoomOut(); + handled = true; + break; + case 48: + case 96: + if (!isViewerInPresentationMode) { + setTimeout(function () { + PDFViewerApplication.zoomReset(); + }); + handled = false; + } + break; + case 38: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 40: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + } + } + if (cmd === 3 || cmd === 10) { + switch (evt.keyCode) { + case 80: + PDFViewerApplication.requestPresentationMode(); + handled = true; + PDFViewerApplication.externalServices.reportTelemetry({ + type: "buttons", + data: { + id: "presentationModeKeyboard" + } + }); + break; + case 71: + if (PDFViewerApplication.appConfig.toolbar) { + PDFViewerApplication.appConfig.toolbar.pageNumber.select(); + handled = true; + } + break; + } + } + if (handled) { + if (ensureViewerFocused && !isViewerInPresentationMode) { + pdfViewer.focus(); + } + evt.preventDefault(); + return; + } + const curElement = getActiveOrFocusedElement(); + const curElementTagName = curElement?.tagName.toUpperCase(); + if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && (evt.keyCode === 13 || evt.keyCode === 32) || curElement?.isContentEditable) { + if (evt.keyCode !== 27) { + return; + } + } + if (cmd === 0) { + let turnPage = 0, + turnOnlyIfPageFit = false; + switch (evt.keyCode) { + case 38: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + PDFViewerApplication.moveCaret(true, false); + handled = true; + break; + } + case 33: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 8: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 37: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + return; + } + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 75: + case 80: + turnPage = -1; + break; + case 27: + if (PDFViewerApplication.secondaryToolbar?.isOpen) { + PDFViewerApplication.secondaryToolbar.close(); + handled = true; + } + if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar?.opened) { + PDFViewerApplication.findBar.close(); + handled = true; + } + break; + case 40: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + PDFViewerApplication.moveCaret(false, false); + handled = true; + break; + } + case 34: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 13: + case 32: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 39: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + return; + } + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 74: + case 78: + turnPage = 1; + break; + case 36: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 35: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + case 83: + PDFViewerApplication.pdfCursorTools?.switchTool(CursorTool.SELECT); + break; + case 72: + PDFViewerApplication.pdfCursorTools?.switchTool(CursorTool.HAND); + break; + case 82: + PDFViewerApplication.rotatePages(90); + break; + case 115: + PDFViewerApplication.pdfSidebar?.toggle(); + break; + } + if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) { + if (turnPage > 0) { + pdfViewer.nextPage(); + } else { + pdfViewer.previousPage(); + } + handled = true; + } + } + if (cmd === 4) { + switch (evt.keyCode) { + case 13: + case 32: + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") { + break; + } + pdfViewer.previousPage(); + handled = true; + break; + case 38: + PDFViewerApplication.moveCaret(true, true); + handled = true; + break; + case 40: + PDFViewerApplication.moveCaret(false, true); + handled = true; + break; + case 82: + PDFViewerApplication.rotatePages(-90); + break; + } + } + if (!handled && !isViewerInPresentationMode) { + if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") { + ensureViewerFocused = true; + } + } + if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) { + pdfViewer.focus(); + } + if (handled) { + evt.preventDefault(); + } +} +function beforeUnload(evt) { + evt.preventDefault(); + evt.returnValue = ""; + return false; +} +function webViewerAnnotationEditorStatesChanged(data) { + PDFViewerApplication.externalServices.updateEditorStates(data); +} +function webViewerReportTelemetry({ + details +}) { + PDFViewerApplication.externalServices.reportTelemetry(details); +} + +;// CONCATENATED MODULE: ./web/viewer-geckoview.js + + + + +const pdfjsVersion = "4.1.249"; +const pdfjsBuild = "d07f37f44"; +const AppConstants = null; +window.PDFViewerApplication = PDFViewerApplication; +window.PDFViewerApplicationConstants = AppConstants; +window.PDFViewerApplicationOptions = AppOptions; +function getViewerConfiguration() { + const mainContainer = document.getElementById("viewerContainer"); + return { + appContainer: document.body, + mainContainer, + viewerContainer: document.getElementById("viewer"), + toolbar: { + mainContainer, + container: document.getElementById("floatingToolbar"), + download: document.getElementById("download"), + openInApp: document.getElementById("openInApp") + }, + passwordOverlay: { + dialog: document.getElementById("passwordDialog"), + label: document.getElementById("passwordText"), + input: document.getElementById("password"), + submitButton: document.getElementById("passwordSubmit"), + cancelButton: document.getElementById("passwordCancel") + }, + printContainer: document.getElementById("printContainer") + }; +} +function webViewerLoad() { + const config = getViewerConfiguration(); + PDFViewerApplication.run(config); +} +document.blockUnblockOnload?.(true); +if (document.readyState === "interactive" || document.readyState === "complete") { + webViewerLoad(); +} else { + document.addEventListener("DOMContentLoaded", webViewerLoad, true); +} + +var __webpack_exports__PDFViewerApplication = __webpack_exports__.PDFViewerApplication; +var __webpack_exports__PDFViewerApplicationConstants = __webpack_exports__.PDFViewerApplicationConstants; +var __webpack_exports__PDFViewerApplicationOptions = __webpack_exports__.PDFViewerApplicationOptions; +export { __webpack_exports__PDFViewerApplication as PDFViewerApplication, __webpack_exports__PDFViewerApplicationConstants as PDFViewerApplicationConstants, __webpack_exports__PDFViewerApplicationOptions as PDFViewerApplicationOptions }; diff --git a/toolkit/components/pdfjs/content/web/viewer.css b/toolkit/components/pdfjs/content/web/viewer.css new file mode 100644 index 0000000000..238df7ce7f --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer.css @@ -0,0 +1,3648 @@ +/* Copyright 2014 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +.textLayer{ + position:absolute; + text-align:initial; + inset:0; + overflow:hidden; + opacity:1; + line-height:1; + text-size-adjust:none; + forced-color-adjust:none; + transform-origin:0 0; + z-index:2; + caret-color:CanvasText; + + &.highlighting{ + touch-action:none; + } + + :is(span, br){ + color:transparent; + position:absolute; + white-space:pre; + cursor:text; + transform-origin:0% 0%; + } + + .highlight{ + --highlight-bg-color:rgb(180 0 170 / 0.25); + --highlight-selected-bg-color:rgb(0 100 0 / 0.25); + --highlight-backdrop-filter:none; + --highlight-selected-backdrop-filter:none; + + @media screen and (forced-colors: active){ + --highlight-bg-color:transparent; + --highlight-selected-bg-color:transparent; + --highlight-backdrop-filter:var(--hcm-highlight-filter); + --highlight-selected-backdrop-filter:var( + --hcm-highlight-selected-filter + ); + } + + margin:-1px; + padding:1px; + background-color:var(--highlight-bg-color); + backdrop-filter:var(--highlight-backdrop-filter); + border-radius:4px; + + &.appended{ + position:initial; + } + + &.begin{ + border-radius:4px 0 0 4px; + } + + &.end{ + border-radius:0 4px 4px 0; + } + + &.middle{ + border-radius:0; + } + + &.selected{ + background-color:var(--highlight-selected-bg-color); + backdrop-filter:var(--highlight-selected-backdrop-filter); + } + } + + ::selection{ + background:color-mix(in srgb, AccentColor, transparent 75%); + } + + .endOfContent{ + display:block; + position:absolute; + inset:100% 0 0; + z-index:-1; + cursor:default; + user-select:none; + + &.active{ + top:0; + } + } +} + +.annotationLayer{ + --annotation-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>"); + --input-focus-border-color:Highlight; + --input-focus-outline:1px solid Canvas; + --input-unfocused-border-color:transparent; + --input-disabled-border-color:transparent; + --input-hover-border-color:black; + --link-outline:none; + + @media screen and (forced-colors: active){ + --input-focus-border-color:CanvasText; + --input-unfocused-border-color:ActiveText; + --input-disabled-border-color:GrayText; + --input-hover-border-color:Highlight; + --link-outline:1.5px solid LinkText; + + .textWidgetAnnotation :is(input, textarea):required, + .choiceWidgetAnnotation select:required, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:required{ + outline:1.5px solid selectedItem; + } + + .linkAnnotation{ + outline:var(--link-outline); + + &:hover{ + backdrop-filter:var(--hcm-highlight-filter); + } + + & > a:hover{ + opacity:0 !important; + background:none !important; + box-shadow:none; + } + } + + .popupAnnotation .popup{ + outline:calc(1.5px * var(--scale-factor)) solid CanvasText !important; + background-color:ButtonFace !important; + color:ButtonText !important; + } + + .highlightArea:hover::after{ + position:absolute; + top:0; + left:0; + width:100%; + height:100%; + backdrop-filter:var(--hcm-highlight-filter); + content:""; + pointer-events:none; + } + + .popupAnnotation.focused .popup{ + outline:calc(3px * var(--scale-factor)) solid Highlight !important; + } + } + + position:absolute; + top:0; + left:0; + pointer-events:none; + transform-origin:0 0; + z-index:3; + + &[data-main-rotation="90"] .norotate{ + transform:rotate(270deg) translateX(-100%); + } + &[data-main-rotation="180"] .norotate{ + transform:rotate(180deg) translate(-100%, -100%); + } + &[data-main-rotation="270"] .norotate{ + transform:rotate(90deg) translateY(-100%); + } + + &.disabled{ + section, + .popup{ + pointer-events:none; + } + } + + canvas{ + position:absolute; + width:100%; + height:100%; + pointer-events:none; + } + + section{ + position:absolute; + text-align:initial; + pointer-events:auto; + box-sizing:border-box; + transform-origin:0 0; + } + + :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton) > a{ + position:absolute; + font-size:1em; + top:0; + left:0; + width:100%; + height:100%; + } + + :is(.linkAnnotation, .buttonWidgetAnnotation.pushButton):not(.hasBorder) + > a:hover{ + opacity:0.2; + background-color:rgb(255 255 0); + box-shadow:0 2px 10px rgb(255 255 0); + } + + .linkAnnotation.hasBorder:hover{ + background-color:rgb(255 255 0 / 0.2); + } + + .hasBorder{ + background-size:100% 100%; + } + + .textAnnotation img{ + position:absolute; + cursor:pointer; + width:100%; + height:100%; + top:0; + left:0; + } + + .textWidgetAnnotation :is(input, textarea), + .choiceWidgetAnnotation select, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input{ + background-image:var(--annotation-unfocused-field-background); + border:2px solid var(--input-unfocused-border-color); + box-sizing:border-box; + font:calc(9px * var(--scale-factor)) sans-serif; + height:100%; + margin:0; + vertical-align:top; + width:100%; + } + + .textWidgetAnnotation :is(input, textarea):required, + .choiceWidgetAnnotation select:required, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:required{ + outline:1.5px solid red; + } + + .choiceWidgetAnnotation select option{ + padding:0; + } + + .buttonWidgetAnnotation.radioButton input{ + border-radius:50%; + } + + .textWidgetAnnotation textarea{ + resize:none; + } + + .textWidgetAnnotation :is(input, textarea)[disabled], + .choiceWidgetAnnotation select[disabled], + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input[disabled]{ + background:none; + border:2px solid var(--input-disabled-border-color); + cursor:not-allowed; + } + + .textWidgetAnnotation :is(input, textarea):hover, + .choiceWidgetAnnotation select:hover, + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input:hover{ + border:2px solid var(--input-hover-border-color); + } + .textWidgetAnnotation :is(input, textarea):hover, + .choiceWidgetAnnotation select:hover, + .buttonWidgetAnnotation.checkBox input:hover{ + border-radius:2px; + } + + .textWidgetAnnotation :is(input, textarea):focus, + .choiceWidgetAnnotation select:focus{ + background:none; + border:2px solid var(--input-focus-border-color); + border-radius:2px; + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation:is(.checkBox, .radioButton) :focus{ + background-image:none; + background-color:transparent; + } + + .buttonWidgetAnnotation.checkBox :focus{ + border:2px solid var(--input-focus-border-color); + border-radius:2px; + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation.radioButton :focus{ + border:2px solid var(--input-focus-border-color); + outline:var(--input-focus-outline); + } + + .buttonWidgetAnnotation.checkBox input:checked::before, + .buttonWidgetAnnotation.checkBox input:checked::after, + .buttonWidgetAnnotation.radioButton input:checked::before{ + background-color:CanvasText; + content:""; + display:block; + position:absolute; + } + + .buttonWidgetAnnotation.checkBox input:checked::before, + .buttonWidgetAnnotation.checkBox input:checked::after{ + height:80%; + left:45%; + width:1px; + } + + .buttonWidgetAnnotation.checkBox input:checked::before{ + transform:rotate(45deg); + } + + .buttonWidgetAnnotation.checkBox input:checked::after{ + transform:rotate(-45deg); + } + + .buttonWidgetAnnotation.radioButton input:checked::before{ + border-radius:50%; + height:50%; + left:25%; + top:25%; + width:50%; + } + + .textWidgetAnnotation input.comb{ + font-family:monospace; + padding-left:2px; + padding-right:0; + } + + .textWidgetAnnotation input.comb:focus{ + width:103%; + } + + .buttonWidgetAnnotation:is(.checkBox, .radioButton) input{ + appearance:none; + } + + .fileAttachmentAnnotation .popupTriggerArea{ + height:100%; + width:100%; + } + + .popupAnnotation{ + position:absolute; + font-size:calc(9px * var(--scale-factor)); + pointer-events:none; + width:max-content; + max-width:45%; + height:auto; + } + + .popup{ + background-color:rgb(255 255 153); + box-shadow:0 calc(2px * var(--scale-factor)) calc(5px * var(--scale-factor)) rgb(136 136 136); + border-radius:calc(2px * var(--scale-factor)); + outline:1.5px solid rgb(255 255 74); + padding:calc(6px * var(--scale-factor)); + cursor:pointer; + font:message-box; + white-space:normal; + word-wrap:break-word; + pointer-events:auto; + } + + .popupAnnotation.focused .popup{ + outline-width:3px; + } + + .popup *{ + font-size:calc(9px * var(--scale-factor)); + } + + .popup > .header{ + display:inline-block; + } + + .popup > .header h1{ + display:inline; + } + + .popup > .header .popupDate{ + display:inline-block; + margin-left:calc(5px * var(--scale-factor)); + width:-moz-fit-content; + width:fit-content; + } + + .popupContent{ + border-top:1px solid rgb(51 51 51); + margin-top:calc(2px * var(--scale-factor)); + padding-top:calc(2px * var(--scale-factor)); + } + + .richText > *{ + white-space:pre-wrap; + font-size:calc(9px * var(--scale-factor)); + } + + .popupTriggerArea{ + cursor:pointer; + } + + section svg{ + position:absolute; + width:100%; + height:100%; + top:0; + left:0; + } + + .annotationTextContent{ + position:absolute; + width:100%; + height:100%; + opacity:0; + color:transparent; + user-select:none; + pointer-events:none; + + span{ + width:100%; + display:inline-block; + } + } + + svg.quadrilateralsContainer{ + contain:strict; + width:0; + height:0; + position:absolute; + top:0; + left:0; + z-index:-1; + } +} + +:root{ + --xfa-unfocused-field-background:url("data:image/svg+xml;charset=UTF-8,<svg width='1px' height='1px' xmlns='http://www.w3.org/2000/svg'><rect width='100%' height='100%' style='fill:rgba(0, 54, 255, 0.13);'/></svg>"); + --xfa-focus-outline:auto; +} + +@media screen and (forced-colors: active){ + :root{ + --xfa-focus-outline:2px solid CanvasText; + } + .xfaLayer *:required{ + outline:1.5px solid selectedItem; + } +} + +.xfaLayer{ + background-color:transparent; +} + +.xfaLayer .highlight{ + margin:-1px; + padding:1px; + background-color:rgb(239 203 237); + border-radius:4px; +} + +.xfaLayer .highlight.appended{ + position:initial; +} + +.xfaLayer .highlight.begin{ + border-radius:4px 0 0 4px; +} + +.xfaLayer .highlight.end{ + border-radius:0 4px 4px 0; +} + +.xfaLayer .highlight.middle{ + border-radius:0; +} + +.xfaLayer .highlight.selected{ + background-color:rgb(203 223 203); +} + +.xfaPage{ + overflow:hidden; + position:relative; +} + +.xfaContentarea{ + position:absolute; +} + +.xfaPrintOnly{ + display:none; +} + +.xfaLayer{ + position:absolute; + text-align:initial; + top:0; + left:0; + transform-origin:0 0; + line-height:1.2; +} + +.xfaLayer *{ + color:inherit; + font:inherit; + font-style:inherit; + font-weight:inherit; + font-kerning:inherit; + letter-spacing:-0.01px; + text-align:inherit; + text-decoration:inherit; + box-sizing:border-box; + background-color:transparent; + padding:0; + margin:0; + pointer-events:auto; + line-height:inherit; +} + +.xfaLayer *:required{ + outline:1.5px solid red; +} + +.xfaLayer div, +.xfaLayer svg, +.xfaLayer svg *{ + pointer-events:none; +} + +.xfaLayer a{ + color:blue; +} + +.xfaRich li{ + margin-left:3em; +} + +.xfaFont{ + color:black; + font-weight:normal; + font-kerning:none; + font-size:10px; + font-style:normal; + letter-spacing:0; + text-decoration:none; + vertical-align:0; +} + +.xfaCaption{ + overflow:hidden; + flex:0 0 auto; +} + +.xfaCaptionForCheckButton{ + overflow:hidden; + flex:1 1 auto; +} + +.xfaLabel{ + height:100%; + width:100%; +} + +.xfaLeft{ + display:flex; + flex-direction:row; + align-items:center; +} + +.xfaRight{ + display:flex; + flex-direction:row-reverse; + align-items:center; +} + +:is(.xfaLeft, .xfaRight) > :is(.xfaCaption, .xfaCaptionForCheckButton){ + max-height:100%; +} + +.xfaTop{ + display:flex; + flex-direction:column; + align-items:flex-start; +} + +.xfaBottom{ + display:flex; + flex-direction:column-reverse; + align-items:flex-start; +} + +:is(.xfaTop, .xfaBottom) > :is(.xfaCaption, .xfaCaptionForCheckButton){ + width:100%; +} + +.xfaBorder{ + background-color:transparent; + position:absolute; + pointer-events:none; +} + +.xfaWrapped{ + width:100%; + height:100%; +} + +:is(.xfaTextfield, .xfaSelect):focus{ + background-image:none; + background-color:transparent; + outline:var(--xfa-focus-outline); + outline-offset:-1px; +} + +:is(.xfaCheckbox, .xfaRadio):focus{ + outline:var(--xfa-focus-outline); +} + +.xfaTextfield, +.xfaSelect{ + height:100%; + width:100%; + flex:1 1 auto; + border:none; + resize:none; + background-image:var(--xfa-unfocused-field-background); +} + +.xfaSelect{ + padding-inline:2px; +} + +:is(.xfaTop, .xfaBottom) > :is(.xfaTextfield, .xfaSelect){ + flex:0 1 auto; +} + +.xfaButton{ + cursor:pointer; + width:100%; + height:100%; + border:none; + text-align:center; +} + +.xfaLink{ + width:100%; + height:100%; + position:absolute; + top:0; + left:0; +} + +.xfaCheckbox, +.xfaRadio{ + width:100%; + height:100%; + flex:0 0 auto; + border:none; +} + +.xfaRich{ + white-space:pre-wrap; + width:100%; + height:100%; +} + +.xfaImage{ + object-position:left top; + object-fit:contain; + width:100%; + height:100%; +} + +.xfaLrTb, +.xfaRlTb, +.xfaTb{ + display:flex; + flex-direction:column; + align-items:stretch; +} + +.xfaLr{ + display:flex; + flex-direction:row; + align-items:stretch; +} + +.xfaRl{ + display:flex; + flex-direction:row-reverse; + align-items:stretch; +} + +.xfaTb > div{ + justify-content:left; +} + +.xfaPosition{ + position:relative; +} + +.xfaArea{ + position:relative; +} + +.xfaValignMiddle{ + display:flex; + align-items:center; +} + +.xfaTable{ + display:flex; + flex-direction:column; + align-items:stretch; +} + +.xfaTable .xfaRow{ + display:flex; + flex-direction:row; + align-items:stretch; +} + +.xfaTable .xfaRlRow{ + display:flex; + flex-direction:row-reverse; + align-items:stretch; + flex:1; +} + +.xfaTable .xfaRlRow > div{ + flex:1; +} + +:is(.xfaNonInteractive, .xfaDisabled, .xfaReadOnly) :is(input, textarea){ + background:initial; +} + +@media print{ + .xfaTextfield, + .xfaSelect{ + background:transparent; + } + + .xfaSelect{ + appearance:none; + text-indent:1px; + text-overflow:""; + } +} + +.canvasWrapper{ + svg{ + transform:none; + + &[data-main-rotation="90"]{ + mask, + use:not(.clip, .mask){ + transform:matrix(0, 1, -1, 0, 1, 0); + } + } + + &[data-main-rotation="180"]{ + mask, + use:not(.clip, .mask){ + transform:matrix(-1, 0, 0, -1, 1, 1); + } + } + + &[data-main-rotation="270"]{ + mask, + use:not(.clip, .mask){ + transform:matrix(0, -1, 1, 0, 0, 1); + } + } + + &.highlight{ + --blend-mode:multiply; + + @media screen and (forced-colors: active){ + --blend-mode:difference; + } + + position:absolute; + mix-blend-mode:var(--blend-mode); + + &:not(.free){ + fill-rule:evenodd; + } + } + + &.highlightOutline{ + position:absolute; + mix-blend-mode:normal; + fill-rule:evenodd; + fill:none; + + &:not(.free){ + &.hovered:not(.selected){ + stroke:var(--hover-outline-color); + stroke-width:var(--outline-width); + } + + &.selected{ + .mainOutline{ + stroke:var(--outline-around-color); + stroke-width:calc( + var(--outline-width) + 2 * var(--outline-around-width) + ); + } + + .secondaryOutline{ + stroke:var(--outline-color); + stroke-width:var(--outline-width); + } + } + } + + &.free{ + &.hovered:not(.selected){ + stroke:var(--hover-outline-color); + stroke-width:calc(2 * var(--outline-width)); + } + + &.selected{ + .mainOutline{ + stroke:var(--outline-around-color); + stroke-width:calc( + 2 * (var(--outline-width) + var(--outline-around-width)) + ); + } + + .secondaryOutline{ + stroke:var(--outline-color); + stroke-width:calc(2 * var(--outline-width)); + } + } + } + } + } +} + +:root{ + --outline-width:2px; + --outline-color:#0060df; + --outline-around-width:1px; + --outline-around-color:#f0f0f4; + --hover-outline-around-color:var(--outline-around-color); + --focus-outline:solid var(--outline-width) var(--outline-color); + --unfocus-outline:solid var(--outline-width) transparent; + --focus-outline-around:solid var(--outline-around-width) var(--outline-around-color); + --hover-outline-color:#8f8f9d; + --hover-outline:solid var(--outline-width) var(--hover-outline-color); + --hover-outline-around:solid var(--outline-around-width) var(--hover-outline-around-color); + --freetext-line-height:1.35; + --freetext-padding:2px; + --resizer-bg-color:var(--outline-color); + --resizer-size:6px; + --resizer-shift:calc( + 0px - (var(--outline-width) + var(--resizer-size)) / 2 - + var(--outline-around-width) + ); + --editorFreeText-editing-cursor:text; + --editorInk-editing-cursor:url(images/cursor-editorInk.svg) 0 16, pointer; + --editorHighlight-editing-cursor:url(images/cursor-editorTextHighlight.svg) 24 24, text; + --editorFreeHighlight-editing-cursor:url(images/cursor-editorFreeHighlight.svg) 1 18, pointer; +} + +.textLayer.highlighting{ + cursor:var(--editorFreeHighlight-editing-cursor); + + &:not(.free) span{ + cursor:var(--editorHighlight-editing-cursor); + } + + &.free span{ + cursor:var(--editorFreeHighlight-editing-cursor); + } +} + +@media (min-resolution: 1.1dppx){ + :root{ + --editorFreeText-editing-cursor:url(images/cursor-editorFreeText.svg) 0 16, text; + } +} + +@media screen and (forced-colors: active){ + :root{ + --outline-color:CanvasText; + --outline-around-color:ButtonFace; + --resizer-bg-color:ButtonText; + --hover-outline-color:Highlight; + --hover-outline-around-color:SelectedItemText; + } +} + +[data-editor-rotation="90"]{ + transform:rotate(90deg); +} + +[data-editor-rotation="180"]{ + transform:rotate(180deg); +} + +[data-editor-rotation="270"]{ + transform:rotate(270deg); +} + +.annotationEditorLayer{ + background:transparent; + position:absolute; + inset:0; + font-size:calc(100px * var(--scale-factor)); + transform-origin:0 0; + cursor:auto; + z-index:4; +} + +.annotationEditorLayer.waiting{ + content:""; + cursor:wait; + position:absolute; + inset:0; + width:100%; + height:100%; +} + +.annotationEditorLayer.disabled{ + pointer-events:none; +} + +.annotationEditorLayer.freetextEditing{ + cursor:var(--editorFreeText-editing-cursor); +} + +.annotationEditorLayer.inkEditing{ + cursor:var(--editorInk-editing-cursor); +} + +.annotationEditorLayer :is(.freeTextEditor, .inkEditor, .stampEditor){ + position:absolute; + background:transparent; + z-index:1; + transform-origin:0 0; + cursor:auto; + max-width:100%; + max-height:100%; + border:var(--unfocus-outline); + + &.draggable.selectedEditor{ + cursor:move; + } + + &.moving{ + touch-action:none; + } + + &.selectedEditor{ + border:var(--focus-outline); + outline:var(--focus-outline-around); + + &::before{ + content:""; + position:absolute; + inset:0; + border:var(--focus-outline-around); + pointer-events:none; + } + } + + &:hover:not(.selectedEditor){ + border:var(--hover-outline); + outline:var(--hover-outline-around); + + &::before{ + content:""; + position:absolute; + inset:0; + border:var(--focus-outline-around); + } + } +} + +.annotationEditorLayer + :is(.freeTextEditor, .inkEditor, .stampEditor, .highlightEditor){ + .editToolbar{ + --editor-toolbar-delete-image:url(images/editor-toolbar-delete.svg); + --editor-toolbar-bg-color:#f0f0f4; + --editor-toolbar-fg-color:#2e2e56; + --editor-toolbar-border-color:#8f8f9d; + --editor-toolbar-hover-border-color:var(--editor-toolbar-border-color); + --editor-toolbar-hover-bg-color:#e0e0e6; + --editor-toolbar-hover-fg-color:var(--editor-toolbar-fg-color); + --editor-toolbar-hover-outline:none; + --editor-toolbar-focus-outline-color:#0060df; + --editor-toolbar-shadow:0 2px 6px 0 rgb(58 57 68 / 0.2); + --editor-toolbar-vert-offset:6px; + --editor-toolbar-height:28px; + --editor-toolbar-padding:2px; + + @media (prefers-color-scheme: dark){ + --editor-toolbar-bg-color:#2b2a33; + --editor-toolbar-fg-color:#fbfbfe; + --editor-toolbar-hover-bg-color:#52525e; + --editor-toolbar-focus-outline-color:#0df; + } + + @media screen and (forced-colors: active){ + --editor-toolbar-bg-color:ButtonFace; + --editor-toolbar-fg-color:ButtonText; + --editor-toolbar-border-color:ButtonText; + --editor-toolbar-hover-border-color:AccentColor; + --editor-toolbar-hover-bg-color:ButtonFace; + --editor-toolbar-hover-fg-color:AccentColor; + --editor-toolbar-hover-outline:2px solid var(--editor-toolbar-hover-border-color); + --editor-toolbar-focus-outline-color:ButtonBorder; + --editor-toolbar-shadow:none; + } + + display:flex; + width:-moz-fit-content; + width:fit-content; + height:var(--editor-toolbar-height); + flex-direction:column; + justify-content:center; + align-items:center; + cursor:default; + pointer-events:auto; + box-sizing:content-box; + padding:var(--editor-toolbar-padding); + + position:absolute; + inset-inline-end:0; + inset-block-start:calc(100% + var(--editor-toolbar-vert-offset)); + + border-radius:6px; + background-color:var(--editor-toolbar-bg-color); + border:1px solid var(--editor-toolbar-border-color); + box-shadow:var(--editor-toolbar-shadow); + + &.hidden{ + display:none; + } + + &:has(:focus-visible){ + border-color:transparent; + } + + &:dir(ltr){ + transform-origin:100% 0; + } + + &:dir(rtl){ + transform-origin:0 0; + } + + .buttons{ + display:flex; + justify-content:center; + align-items:center; + gap:0; + height:100%; + + .divider{ + width:1px; + height:calc( + 2 * var(--editor-toolbar-padding) + var(--editor-toolbar-height) + ); + background-color:var(--editor-toolbar-border-color); + display:inline-block; + margin-inline:2px; + } + + .delete{ + width:var(--editor-toolbar-height); + + &::before{ + content:""; + mask-image:var(--editor-toolbar-delete-image); + mask-repeat:no-repeat; + mask-position:center; + display:inline-block; + background-color:var(--editor-toolbar-fg-color); + width:100%; + height:100%; + } + + &:hover::before{ + background-color:var(--editor-toolbar-hover-fg-color); + } + } + + > *{ + height:var(--editor-toolbar-height); + } + + > :not(.divider){ + border:none; + background-color:transparent; + cursor:pointer; + + &:hover{ + border-radius:2px; + background-color:var(--editor-toolbar-hover-bg-color); + color:var(--editor-toolbar-hover-fg-color); + outline:var(--editor-toolbar-hover-outline); + outline-offset:1px; + + &:active{ + outline:none; + } + } + + &:focus-visible{ + border-radius:2px; + outline:2px solid var(--editor-toolbar-focus-outline-color); + } + } + + .altText{ + --alt-text-add-image:url(images/altText_add.svg); + --alt-text-done-image:url(images/altText_done.svg); + + display:flex; + align-items:center; + justify-content:center; + width:max-content; + padding-inline:8px; + pointer-events:all; + font:menu; + font-weight:590; + font-size:12px; + color:var(--editor-toolbar-fg-color); + + &:disabled{ + pointer-events:none; + } + + &::before{ + content:""; + mask-image:var(--alt-text-add-image); + mask-repeat:no-repeat; + mask-position:center; + display:inline-block; + width:12px; + height:13px; + background-color:var(--editor-toolbar-fg-color); + margin-inline-end:4px; + } + + &:hover::before{ + background-color:var(--editor-toolbar-hover-fg-color); + } + + &.done::before{ + mask-image:var(--alt-text-done-image); + } + + .tooltip{ + display:none; + + &.show{ + --alt-text-tooltip-bg:#f0f0f4; + --alt-text-tooltip-fg:#15141a; + --alt-text-tooltip-border:#8f8f9d; + --alt-text-tooltip-shadow:0px 2px 6px 0px rgb(58 57 68 / 0.2); + + @media (prefers-color-scheme: dark){ + --alt-text-tooltip-bg:#1c1b22; + --alt-text-tooltip-fg:#fbfbfe; + --alt-text-tooltip-shadow:0px 2px 6px 0px #15141a; + } + + @media screen and (forced-colors: active){ + --alt-text-tooltip-bg:Canvas; + --alt-text-tooltip-fg:CanvasText; + --alt-text-tooltip-border:CanvasText; + --alt-text-tooltip-shadow:none; + } + + display:inline-flex; + flex-direction:column; + align-items:center; + justify-content:center; + position:absolute; + top:calc(100% + 2px); + inset-inline-start:0; + padding-block:2px 3px; + padding-inline:3px; + max-width:300px; + width:max-content; + height:auto; + font-size:12px; + + border:0.5px solid var(--alt-text-tooltip-border); + background:var(--alt-text-tooltip-bg); + box-shadow:var(--alt-text-tooltip-shadow); + color:var(--alt-text-tooltip-fg); + + pointer-events:none; + } + } + } + } + } +} + +.annotationEditorLayer .freeTextEditor{ + padding:calc(var(--freetext-padding) * var(--scale-factor)); + width:auto; + height:auto; + touch-action:none; +} + +.annotationEditorLayer .freeTextEditor .internal{ + background:transparent; + border:none; + inset:0; + overflow:visible; + white-space:nowrap; + font:10px sans-serif; + line-height:var(--freetext-line-height); + user-select:none; +} + +.annotationEditorLayer .freeTextEditor .overlay{ + position:absolute; + display:none; + background:transparent; + inset:0; + width:100%; + height:100%; +} + +.annotationEditorLayer freeTextEditor .overlay.enabled{ + display:block; +} + +.annotationEditorLayer .freeTextEditor .internal:empty::before{ + content:attr(default-content); + color:gray; +} + +.annotationEditorLayer .freeTextEditor .internal:focus{ + outline:none; + user-select:auto; +} + +.annotationEditorLayer .inkEditor{ + width:100%; + height:100%; +} + +.annotationEditorLayer .inkEditor.editing{ + cursor:inherit; +} + +.annotationEditorLayer .inkEditor .inkEditorCanvas{ + position:absolute; + inset:0; + width:100%; + height:100%; + touch-action:none; +} + +.annotationEditorLayer .stampEditor{ + width:auto; + height:auto; +} + +.annotationEditorLayer .stampEditor canvas{ + width:100%; + height:100%; +} + +.annotationEditorLayer{ + :is(.freeTextEditor, .inkEditor, .stampEditor){ + & > .resizers{ + position:absolute; + inset:0; + + &.hidden{ + display:none; + } + + & > .resizer{ + width:var(--resizer-size); + height:var(--resizer-size); + background:content-box var(--resizer-bg-color); + border:var(--focus-outline-around); + border-radius:2px; + position:absolute; + + &.topLeft{ + top:var(--resizer-shift); + left:var(--resizer-shift); + } + + &.topMiddle{ + top:var(--resizer-shift); + left:calc(50% + var(--resizer-shift)); + } + + &.topRight{ + top:var(--resizer-shift); + right:var(--resizer-shift); + } + + &.middleRight{ + top:calc(50% + var(--resizer-shift)); + right:var(--resizer-shift); + } + + &.bottomRight{ + bottom:var(--resizer-shift); + right:var(--resizer-shift); + } + + &.bottomMiddle{ + bottom:var(--resizer-shift); + left:calc(50% + var(--resizer-shift)); + } + + &.bottomLeft{ + bottom:var(--resizer-shift); + left:var(--resizer-shift); + } + + &.middleLeft{ + top:calc(50% + var(--resizer-shift)); + left:var(--resizer-shift); + } + } + } + } + + &[data-main-rotation="0"] + :is([data-editor-rotation="0"], [data-editor-rotation="180"]), + &[data-main-rotation="90"] + :is([data-editor-rotation="270"], [data-editor-rotation="90"]), + &[data-main-rotation="180"] + :is([data-editor-rotation="180"], [data-editor-rotation="0"]), + &[data-main-rotation="270"] + :is([data-editor-rotation="90"], [data-editor-rotation="270"]){ + & > .resizers > .resizer{ + &.topLeft, + &.bottomRight{ + cursor:nwse-resize; + } + + &.topMiddle, + &.bottomMiddle{ + cursor:ns-resize; + } + + &.topRight, + &.bottomLeft{ + cursor:nesw-resize; + } + + &.middleRight, + &.middleLeft{ + cursor:ew-resize; + } + } + } + + &[data-main-rotation="0"] + :is([data-editor-rotation="90"], [data-editor-rotation="270"]), + &[data-main-rotation="90"] + :is([data-editor-rotation="0"], [data-editor-rotation="180"]), + &[data-main-rotation="180"] + :is([data-editor-rotation="270"], [data-editor-rotation="90"]), + &[data-main-rotation="270"] + :is([data-editor-rotation="180"], [data-editor-rotation="0"]){ + & > .resizers > .resizer{ + &.topLeft, + &.bottomRight{ + cursor:nesw-resize; + } + + &.topMiddle, + &.bottomMiddle{ + cursor:ew-resize; + } + + &.topRight, + &.bottomLeft{ + cursor:nwse-resize; + } + + &.middleRight, + &.middleLeft{ + cursor:ns-resize; + } + } + } + + & + :is( + [data-main-rotation="0"] [data-editor-rotation="90"], + [data-main-rotation="90"] [data-editor-rotation="0"], + [data-main-rotation="180"] [data-editor-rotation="270"], + [data-main-rotation="270"] [data-editor-rotation="180"] + ){ + .editToolbar{ + rotate:270deg; + + &:dir(ltr){ + inset-inline-end:calc(0px - var(--editor-toolbar-vert-offset)); + inset-block-start:0; + } + + &:dir(rtl){ + inset-inline-end:calc(100% + var(--editor-toolbar-vert-offset)); + inset-block-start:0; + } + } + } + + & + :is( + [data-main-rotation="0"] [data-editor-rotation="180"], + [data-main-rotation="90"] [data-editor-rotation="90"], + [data-main-rotation="180"] [data-editor-rotation="0"], + [data-main-rotation="270"] [data-editor-rotation="270"] + ){ + .editToolbar{ + rotate:180deg; + inset-inline-end:100%; + inset-block-start:calc(0pc - var(--editor-toolbar-vert-offset)); + } + } + + & + :is( + [data-main-rotation="0"] [data-editor-rotation="270"], + [data-main-rotation="90"] [data-editor-rotation="180"], + [data-main-rotation="180"] [data-editor-rotation="90"], + [data-main-rotation="270"] [data-editor-rotation="0"] + ){ + .editToolbar{ + rotate:90deg; + + &:dir(ltr){ + inset-inline-end:calc(100% + var(--editor-toolbar-vert-offset)); + inset-block-start:100%; + } + + &:dir(rtl){ + inset-inline-start:calc(0px - var(--editor-toolbar-vert-offset)); + inset-block-start:0; + } + } + } +} + +#altTextDialog{ + --dialog-bg-color:white; + --dialog-border-color:white; + --dialog-shadow:0 2px 14px 0 rgb(58 57 68 / 0.2); + --text-primary-color:#15141a; + --text-secondary-color:#5b5b66; + --hover-filter:brightness(0.9); + --focus-ring-color:#0060df; + --focus-ring-outline:2px solid var(--focus-ring-color); + + --textarea-border-color:#8f8f9d; + --textarea-bg-color:white; + --textarea-fg-color:var(--text-secondary-color); + + --radio-bg-color:#f0f0f4; + --radio-checked-bg-color:#fbfbfe; + --radio-border-color:#8f8f9d; + --radio-checked-border-color:#0060df; + + --button-cancel-bg-color:#f0f0f4; + --button-cancel-fg-color:var(--text-primary-color); + --button-cancel-border-color:var(--button-cancel-bg-color); + --button-cancel-hover-bg-color:var(--button-cancel-bg-color); + --button-cancel-hover-fg-color:var(--button-cancel-fg-color); + --button-cancel-hover-border-color:var(--button-cancel-hover-bg-color); + + --button-save-bg-color:#0060df; + --button-save-fg-color:#fbfbfe; + --button-save-hover-bg-color:var(--button-save-bg-color); + --button-save-hover-fg-color:var(--button-save-fg-color); + --button-save-hover-border-color:var(--button-save-hover-bg-color); + + @media (prefers-color-scheme: dark){ + --dialog-bg-color:#1c1b22; + --dialog-border-color:#1c1b22; + --dialog-shadow:0 2px 14px 0 #15141a; + --text-primary-color:#fbfbfe; + --text-secondary-color:#cfcfd8; + --focus-ring-color:#0df; + --hover-filter:brightness(1.4); + + --textarea-bg-color:#42414d; + + --radio-bg-color:#2b2a33; + --radio-checked-bg-color:#15141a; + --radio-checked-border-color:#0df; + + --button-cancel-bg-color:#2b2a33; + --button-save-bg-color:#0df; + --button-save-fg-color:#15141a; + } + + @media screen and (forced-colors: active){ + --dialog-bg-color:Canvas; + --dialog-border-color:CanvasText; + --dialog-shadow:none; + --text-primary-color:CanvasText; + --text-secondary-color:CanvasText; + --hover-filter:none; + --focus-ring-color:ButtonBorder; + + --textarea-border-color:ButtonBorder; + --textarea-bg-color:Field; + --textarea-fg-color:ButtonText; + + --radio-bg-color:ButtonFace; + --radio-checked-bg-color:ButtonFace; + --radio-border-color:ButtonText; + --radio-checked-border-color:ButtonText; + + --button-cancel-bg-color:ButtonFace; + --button-cancel-fg-color:ButtonText; + --button-cancel-border-color:ButtonText; + --button-cancel-hover-bg-color:AccentColor; + --button-cancel-hover-fg-color:AccentColorText; + + --button-save-bg-color:ButtonText; + --button-save-fg-color:ButtonFace; + --button-save-hover-bg-color:AccentColor; + --button-save-hover-fg-color:AccentColorText; + } + + font:message-box; + font-size:13px; + font-weight:400; + line-height:150%; + border-radius:4px; + padding:12px 16px; + border:1px solid var(--dialog-border-color); + background:var(--dialog-bg-color); + color:var(--text-primary-color); + box-shadow:var(--dialog-shadow); + + &::backdrop{ + mask:url(#alttext-manager-mask); + } + + &.positioned{ + margin:0; + } + + & #altTextContainer{ + width:300px; + height:-moz-fit-content; + height:fit-content; + display:inline-flex; + flex-direction:column; + align-items:flex-start; + gap:16px; + + & *:focus-visible{ + outline:var(--focus-ring-outline); + outline-offset:2px; + } + + & .radio{ + display:flex; + flex-direction:column; + align-items:flex-start; + gap:4px; + + & .radioButton{ + display:flex; + gap:8px; + align-self:stretch; + align-items:center; + + & input{ + appearance:none; + box-sizing:border-box; + width:16px; + height:16px; + border-radius:50%; + background-color:var(--radio-bg-color); + border:1px solid var(--radio-border-color); + + &:hover{ + filter:var(--hover-filter); + } + + &:checked{ + background-color:var(--radio-checked-bg-color); + border:4px solid var(--radio-checked-border-color); + } + } + } + + & .radioLabel{ + display:flex; + padding-inline-start:24px; + align-items:flex-start; + gap:10px; + align-self:stretch; + + & span{ + flex:1 0 0; + font-size:11px; + color:var(--text-secondary-color); + } + } + } + + & #overallDescription{ + display:flex; + flex-direction:column; + align-items:flex-start; + gap:4px; + align-self:stretch; + + & span{ + align-self:stretch; + } + + & .title{ + font-size:13px; + font-style:normal; + font-weight:590; + } + } + + & #addDescription{ + display:flex; + flex-direction:column; + align-items:stretch; + gap:8px; + + & .descriptionArea{ + flex:1; + padding-inline:24px 10px; + + textarea{ + font:inherit; + width:100%; + min-height:75px; + padding:8px; + resize:none; + margin:0; + box-sizing:border-box; + border-radius:4px; + border:1px solid var(--textarea-border-color); + background:var(--textarea-bg-color); + color:var(--textarea-fg-color); + + &:focus{ + outline-offset:0; + border-color:transparent; + } + + &:disabled{ + pointer-events:none; + opacity:0.4; + } + } + } + } + + & #buttons{ + display:flex; + justify-content:flex-end; + align-items:flex-start; + gap:8px; + align-self:stretch; + + button{ + border-radius:4px; + border:1px solid; + font:menu; + font-weight:600; + padding:4px 16px; + width:auto; + height:32px; + + &:hover{ + cursor:pointer; + filter:var(--hover-filter); + } + + &#altTextCancel{ + color:var(--button-cancel-fg-color); + background-color:var(--button-cancel-bg-color); + border-color:var(--button-cancel-border-color); + + &:hover{ + color:var(--button-cancel-hover-fg-color); + background-color:var(--button-cancel-hover-bg-color); + border-color:var(--button-cancel-hover-border-color); + } + } + + &#altTextSave{ + color:var(--button-save-hover-fg-color); + background-color:var(--button-save-hover-bg-color); + border-color:var(--button-save-hover-border-color); + opacity:1; + + &:hover{ + color:var(--button-save-hover-fg-color); + background-color:var(--button-save-hover-bg-color); + border-color:var(--button-save-hover-border-color); + } + } + } + } + } +} + +.colorPicker{ + --hover-outline-color:#0250bb; + --selected-outline-color:#0060df; + --swatch-border-color:#cfcfd8; + + @media (prefers-color-scheme: dark){ + --hover-outline-color:#80ebff; + --selected-outline-color:#aaf2ff; + --swatch-border-color:#52525e; + } + + @media screen and (forced-colors: active){ + --hover-outline-color:Highlight; + --selected-outline-color:var(--hover-outline-color); + --swatch-border-color:ButtonText; + } + + .swatch{ + width:16px; + height:16px; + border:1px solid var(--swatch-border-color); + border-radius:100%; + outline-offset:2px; + box-sizing:border-box; + forced-color-adjust:none; + } + + button:is(:hover, .selected) > .swatch{ + border:none; + } +} + +.annotationEditorLayer{ + &[data-main-rotation="0"]{ + .highlightEditor:not(.free) > .editToolbar{ + rotate:0deg; + } + } + + &[data-main-rotation="90"]{ + .highlightEditor:not(.free) > .editToolbar{ + rotate:270deg; + } + } + + &[data-main-rotation="180"]{ + .highlightEditor:not(.free) > .editToolbar{ + rotate:180deg; + } + } + + &[data-main-rotation="270"]{ + .highlightEditor:not(.free) > .editToolbar{ + rotate:90deg; + } + } + + .highlightEditor{ + position:absolute; + background:transparent; + z-index:1; + cursor:auto; + max-width:100%; + max-height:100%; + border:none; + outline:none; + pointer-events:none; + transform-origin:0 0; + + &:not(.free){ + transform:none; + } + + .internal{ + position:absolute; + top:0; + left:0; + width:100%; + height:100%; + pointer-events:auto; + } + + &.disabled .internal{ + pointer-events:none; + } + + &.selectedEditor{ + .internal{ + cursor:pointer; + } + } + + .editToolbar{ + --editor-toolbar-colorpicker-arrow-image:url(images/toolbarButton-menuArrow.svg); + + transform-origin:center !important; + + .buttons{ + .colorPicker{ + position:relative; + width:auto; + display:flex; + justify-content:center; + align-items:center; + gap:4px; + padding:4px; + + &::after{ + content:""; + mask-image:var(--editor-toolbar-colorpicker-arrow-image); + mask-repeat:no-repeat; + mask-position:center; + display:inline-block; + background-color:var(--editor-toolbar-fg-color); + width:12px; + height:12px; + } + + &:hover::after{ + background-color:var(--editor-toolbar-hover-fg-color); + } + + &:has(.dropdown:not(.hidden)){ + background-color:var(--editor-toolbar-hover-bg-color); + + &::after{ + scale:-1; + } + } + + .dropdown{ + position:absolute; + display:flex; + justify-content:center; + align-items:center; + flex-direction:column; + gap:11px; + padding-block:8px; + border-radius:6px; + background-color:var(--editor-toolbar-bg-color); + border:1px solid var(--editor-toolbar-border-color); + box-shadow:var(--editor-toolbar-shadow); + inset-block-start:calc(100% + 4px); + width:calc(100% + 2 * var(--editor-toolbar-padding)); + + button{ + width:100%; + height:auto; + border:none; + cursor:pointer; + display:flex; + justify-content:center; + align-items:center; + background:none; + + &:is(:active, :focus-visible){ + outline:none; + } + + > .swatch{ + outline-offset:2px; + } + + &[aria-selected="true"] > .swatch{ + outline:2px solid var(--selected-outline-color); + } + + &:is(:hover, :active, :focus-visible) > .swatch{ + outline:2px solid var(--hover-outline-color); + } + } + } + } + } + } + } +} + +.editorParamsToolbar:has(#highlightParamsToolbarContainer){ + padding:unset; +} + +#highlightParamsToolbarContainer{ + height:auto; + padding-inline:10px; + padding-block:10px 16px; + gap:16px; + display:flex; + flex-direction:column; + box-sizing:border-box; + + .editorParamsLabel{ + width:-moz-fit-content; + width:fit-content; + inset-inline-start:0; + } + + .colorPicker{ + display:flex; + flex-direction:column; + gap:8px; + + .dropdown{ + display:flex; + justify-content:space-between; + align-items:center; + flex-direction:row; + height:auto; + + button{ + width:auto; + height:auto; + border:none; + cursor:pointer; + display:flex; + justify-content:center; + align-items:center; + background:none; + flex:0 0 auto; + + .swatch{ + width:24px; + height:24px; + } + + &:is(:active, :focus-visible){ + outline:none; + } + + &[aria-selected="true"] > .swatch{ + outline:2px solid var(--selected-outline-color); + } + + &:is(:hover, :active, :focus-visible) > .swatch{ + outline:2px solid var(--hover-outline-color); + } + } + } + } + + #editorHighlightThickness{ + display:flex; + flex-direction:column; + align-items:center; + gap:4px; + align-self:stretch; + + .editorParamsLabel{ + width:100%; + height:auto; + align-self:stretch; + } + + .thicknessPicker{ + display:flex; + justify-content:space-between; + align-items:center; + align-self:stretch; + + --example-color:#bfbfc9; + + @media (prefers-color-scheme: dark){ + --example-color:#80808e; + } + + @media screen and (forced-colors: active){ + --example-color:CanvasText; + } + + &::before{ + content:""; + width:8px; + aspect-ratio:1; + display:block; + border-radius:100%; + background-color:var(--example-color); + } + + .editorParamsSlider{ + width:unset; + height:14px; + } + + &::after{ + content:""; + width:24px; + aspect-ratio:1; + display:block; + border-radius:100%; + background-color:var(--example-color); + } + } + } +} + +:root{ + --viewer-container-height:0; + --pdfViewer-padding-bottom:0; + --page-margin:1px auto -8px; + --page-border:9px solid transparent; + --spreadHorizontalWrapped-margin-LR:-3.5px; + --loading-icon-delay:400ms; +} + +@media screen and (forced-colors: active){ + :root{ + --pdfViewer-padding-bottom:9px; + --page-margin:8px auto -1px; + --page-border:1px solid CanvasText; + --spreadHorizontalWrapped-margin-LR:3.5px; + } +} + +[data-main-rotation="90"]{ + transform:rotate(90deg) translateY(-100%); +} +[data-main-rotation="180"]{ + transform:rotate(180deg) translate(-100%, -100%); +} +[data-main-rotation="270"]{ + transform:rotate(270deg) translateX(-100%); +} + +#hiddenCopyElement, +.hiddenCanvasElement{ + position:absolute; + top:0; + left:0; + width:0; + height:0; + display:none; +} + +.pdfViewer{ + --scale-factor:1; + + padding-bottom:var(--pdfViewer-padding-bottom); + + --hcm-highlight-filter:none; + --hcm-highlight-selected-filter:none; + + @media screen and (forced-colors: active){ + --hcm-highlight-filter:invert(100%); + } +} + +.pdfViewer .canvasWrapper{ + overflow:hidden; + width:100%; + height:100%; + z-index:1; +} + +.pdfViewer .page{ + direction:ltr; + width:816px; + height:1056px; + margin:var(--page-margin); + position:relative; + overflow:visible; + border:var(--page-border); + background-clip:content-box; + background-color:rgb(255 255 255); +} + +.pdfViewer .dummyPage{ + position:relative; + width:0; + height:var(--viewer-container-height); +} + +.pdfViewer.noUserSelect{ + user-select:none; +} + +.pdfViewer:is(.scrollHorizontal, .scrollWrapped), +.spread{ + margin-inline:3.5px; + text-align:center; +} + +.pdfViewer.scrollHorizontal, +.spread{ + white-space:nowrap; +} + +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .spread{ + margin-inline:0; +} + +.spread :is(.page, .dummyPage), +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) :is(.page, .spread){ + display:inline-block; + vertical-align:middle; +} + +.spread .page, +.pdfViewer:is(.scrollHorizontal, .scrollWrapped) .page{ + margin-inline:var(--spreadHorizontalWrapped-margin-LR); +} + +.pdfViewer .page canvas{ + margin:0; + display:block; +} + +.pdfViewer .page canvas .structTree{ + contain:strict; +} + +.pdfViewer .page canvas[hidden]{ + display:none; +} + +.pdfViewer .page canvas[zooming]{ + width:100%; + height:100%; +} + +.pdfViewer .page.loadingIcon::after{ + position:absolute; + top:0; + left:0; + content:""; + width:100%; + height:100%; + background:url("images/loading-icon.gif") center no-repeat; + display:none; + transition-property:display; + transition-delay:var(--loading-icon-delay); + z-index:5; + contain:strict; +} + +.pdfViewer .page.loading::after{ + display:block; +} + +.pdfViewer .page:not(.loading)::after{ + transition-property:none; + display:none; +} + +.pdfPresentationMode .pdfViewer{ + padding-bottom:0; +} + +.pdfPresentationMode .spread{ + margin:0; +} + +.pdfPresentationMode .pdfViewer .page{ + margin:0 auto; + border:2px solid transparent; +} + +:root{ + --dir-factor:1; + + --sidebar-width:200px; + --sidebar-transition-duration:200ms; + --sidebar-transition-timing-function:ease; + + --toolbar-icon-opacity:0.7; + --doorhanger-icon-opacity:0.9; + --editor-toolbar-base-offset:105px; + + --main-color:rgb(12 12 13); + --body-bg-color:rgb(212 212 215); + --progressBar-color:rgb(10 132 255); + --progressBar-bg-color:rgb(221 221 222); + --progressBar-blend-color:rgb(116 177 239); + --scrollbar-color:auto; + --scrollbar-bg-color:auto; + --toolbar-icon-bg-color:rgb(0 0 0); + --toolbar-icon-hover-bg-color:rgb(0 0 0); + + --sidebar-narrow-bg-color:rgb(212 212 215 / 0.9); + --sidebar-toolbar-bg-color:rgb(245 246 247); + --toolbar-bg-color:rgb(249 249 250); + --toolbar-border-color:rgb(184 184 184); + --toolbar-box-shadow:0 1px 0 var(--toolbar-border-color); + --toolbar-border-bottom:none; + --toolbarSidebar-box-shadow:inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25), 0 1px 0 rgb(0 0 0 / 0.15), 0 0 1px rgb(0 0 0 / 0.1); + --toolbarSidebar-border-bottom:none; + --button-hover-color:rgb(221 222 223); + --toggled-btn-color:rgb(0 0 0); + --toggled-btn-bg-color:rgb(0 0 0 / 0.3); + --toggled-hover-active-btn-color:rgb(0 0 0 / 0.4); + --toggled-hover-btn-outline:none; + --dropdown-btn-bg-color:rgb(215 215 219); + --dropdown-btn-border:none; + --separator-color:rgb(0 0 0 / 0.3); + --field-color:rgb(6 6 6); + --field-bg-color:rgb(255 255 255); + --field-border-color:rgb(187 187 188); + --treeitem-color:rgb(0 0 0 / 0.8); + --treeitem-bg-color:rgb(0 0 0 / 0.15); + --treeitem-hover-color:rgb(0 0 0 / 0.9); + --treeitem-selected-color:rgb(0 0 0 / 0.9); + --treeitem-selected-bg-color:rgb(0 0 0 / 0.25); + --thumbnail-hover-color:rgb(0 0 0 / 0.1); + --thumbnail-selected-color:rgb(0 0 0 / 0.2); + --doorhanger-bg-color:rgb(255 255 255); + --doorhanger-border-color:rgb(12 12 13 / 0.2); + --doorhanger-hover-color:rgb(12 12 13); + --doorhanger-hover-bg-color:rgb(237 237 237); + --doorhanger-separator-color:rgb(222 222 222); + --dialog-button-border:none; + --dialog-button-bg-color:rgb(12 12 13 / 0.1); + --dialog-button-hover-bg-color:rgb(12 12 13 / 0.3); + + --loading-icon:url(images/loading.svg); + --treeitem-expanded-icon:url(images/treeitem-expanded.svg); + --treeitem-collapsed-icon:url(images/treeitem-collapsed.svg); + --toolbarButton-editorFreeText-icon:url(images/toolbarButton-editorFreeText.svg); + --toolbarButton-editorHighlight-icon:url(images/toolbarButton-editorHighlight.svg); + --toolbarButton-editorInk-icon:url(images/toolbarButton-editorInk.svg); + --toolbarButton-editorStamp-icon:url(images/toolbarButton-editorStamp.svg); + --toolbarButton-menuArrow-icon:url(images/toolbarButton-menuArrow.svg); + --toolbarButton-sidebarToggle-icon:url(images/toolbarButton-sidebarToggle.svg); + --toolbarButton-secondaryToolbarToggle-icon:url(images/toolbarButton-secondaryToolbarToggle.svg); + --toolbarButton-pageUp-icon:url(images/toolbarButton-pageUp.svg); + --toolbarButton-pageDown-icon:url(images/toolbarButton-pageDown.svg); + --toolbarButton-zoomOut-icon:url(images/toolbarButton-zoomOut.svg); + --toolbarButton-zoomIn-icon:url(images/toolbarButton-zoomIn.svg); + --toolbarButton-presentationMode-icon:url(images/toolbarButton-presentationMode.svg); + --toolbarButton-print-icon:url(images/toolbarButton-print.svg); + --toolbarButton-download-icon:url(images/toolbarButton-download.svg); + --toolbarButton-bookmark-icon:url(images/toolbarButton-bookmark.svg); + --toolbarButton-viewThumbnail-icon:url(images/toolbarButton-viewThumbnail.svg); + --toolbarButton-viewOutline-icon:url(images/toolbarButton-viewOutline.svg); + --toolbarButton-viewAttachments-icon:url(images/toolbarButton-viewAttachments.svg); + --toolbarButton-viewLayers-icon:url(images/toolbarButton-viewLayers.svg); + --toolbarButton-currentOutlineItem-icon:url(images/toolbarButton-currentOutlineItem.svg); + --toolbarButton-search-icon:url(images/toolbarButton-search.svg); + --findbarButton-previous-icon:url(images/findbarButton-previous.svg); + --findbarButton-next-icon:url(images/findbarButton-next.svg); + --secondaryToolbarButton-firstPage-icon:url(images/secondaryToolbarButton-firstPage.svg); + --secondaryToolbarButton-lastPage-icon:url(images/secondaryToolbarButton-lastPage.svg); + --secondaryToolbarButton-rotateCcw-icon:url(images/secondaryToolbarButton-rotateCcw.svg); + --secondaryToolbarButton-rotateCw-icon:url(images/secondaryToolbarButton-rotateCw.svg); + --secondaryToolbarButton-selectTool-icon:url(images/secondaryToolbarButton-selectTool.svg); + --secondaryToolbarButton-handTool-icon:url(images/secondaryToolbarButton-handTool.svg); + --secondaryToolbarButton-scrollPage-icon:url(images/secondaryToolbarButton-scrollPage.svg); + --secondaryToolbarButton-scrollVertical-icon:url(images/secondaryToolbarButton-scrollVertical.svg); + --secondaryToolbarButton-scrollHorizontal-icon:url(images/secondaryToolbarButton-scrollHorizontal.svg); + --secondaryToolbarButton-scrollWrapped-icon:url(images/secondaryToolbarButton-scrollWrapped.svg); + --secondaryToolbarButton-spreadNone-icon:url(images/secondaryToolbarButton-spreadNone.svg); + --secondaryToolbarButton-spreadOdd-icon:url(images/secondaryToolbarButton-spreadOdd.svg); + --secondaryToolbarButton-spreadEven-icon:url(images/secondaryToolbarButton-spreadEven.svg); + --secondaryToolbarButton-documentProperties-icon:url(images/secondaryToolbarButton-documentProperties.svg); + --editorParams-stampAddImage-icon:url(images/toolbarButton-zoomIn.svg); +} + +:root:dir(rtl){ + --dir-factor:-1; +} + +@media (prefers-color-scheme: dark){ + :root{ + --main-color:rgb(249 249 250); + --body-bg-color:rgb(42 42 46); + --progressBar-color:rgb(0 96 223); + --progressBar-bg-color:rgb(40 40 43); + --progressBar-blend-color:rgb(20 68 133); + --scrollbar-color:rgb(121 121 123); + --scrollbar-bg-color:rgb(35 35 39); + --toolbar-icon-bg-color:rgb(255 255 255); + --toolbar-icon-hover-bg-color:rgb(255 255 255); + + --sidebar-narrow-bg-color:rgb(42 42 46 / 0.9); + --sidebar-toolbar-bg-color:rgb(50 50 52); + --toolbar-bg-color:rgb(56 56 61); + --toolbar-border-color:rgb(12 12 13); + --button-hover-color:rgb(102 102 103); + --toggled-btn-color:rgb(255 255 255); + --toggled-btn-bg-color:rgb(0 0 0 / 0.3); + --toggled-hover-active-btn-color:rgb(0 0 0 / 0.4); + --dropdown-btn-bg-color:rgb(74 74 79); + --separator-color:rgb(0 0 0 / 0.3); + --field-color:rgb(250 250 250); + --field-bg-color:rgb(64 64 68); + --field-border-color:rgb(115 115 115); + --treeitem-color:rgb(255 255 255 / 0.8); + --treeitem-bg-color:rgb(255 255 255 / 0.15); + --treeitem-hover-color:rgb(255 255 255 / 0.9); + --treeitem-selected-color:rgb(255 255 255 / 0.9); + --treeitem-selected-bg-color:rgb(255 255 255 / 0.25); + --thumbnail-hover-color:rgb(255 255 255 / 0.1); + --thumbnail-selected-color:rgb(255 255 255 / 0.2); + --doorhanger-bg-color:rgb(74 74 79); + --doorhanger-border-color:rgb(39 39 43); + --doorhanger-hover-color:rgb(249 249 250); + --doorhanger-hover-bg-color:rgb(93 94 98); + --doorhanger-separator-color:rgb(92 92 97); + --dialog-button-bg-color:rgb(92 92 97); + --dialog-button-hover-bg-color:rgb(115 115 115); + } +} + +@media screen and (forced-colors: active){ + :root{ + --button-hover-color:Highlight; + --doorhanger-hover-bg-color:Highlight; + --toolbar-icon-opacity:1; + --toolbar-icon-bg-color:ButtonText; + --toolbar-icon-hover-bg-color:ButtonFace; + --toggled-hover-active-btn-color:ButtonText; + --toggled-hover-btn-outline:2px solid ButtonBorder; + --toolbar-border-color:CanvasText; + --toolbar-border-bottom:1px solid var(--toolbar-border-color); + --toolbar-box-shadow:none; + --toggled-btn-color:HighlightText; + --toggled-btn-bg-color:LinkText; + --doorhanger-hover-color:ButtonFace; + --doorhanger-border-color-whcm:1px solid ButtonText; + --doorhanger-triangle-opacity-whcm:0; + --dialog-button-border:1px solid Highlight; + --dialog-button-hover-bg-color:Highlight; + --dialog-button-hover-color:ButtonFace; + --dropdown-btn-border:1px solid ButtonText; + --field-border-color:ButtonText; + --main-color:CanvasText; + --separator-color:GrayText; + --doorhanger-separator-color:GrayText; + --toolbarSidebar-box-shadow:none; + --toolbarSidebar-border-bottom:1px solid var(--toolbar-border-color); + } +} + +@media screen and (prefers-reduced-motion: reduce){ + :root{ + --sidebar-transition-duration:0; + } +} + +*{ + padding:0; + margin:0; +} + +html, +body{ + height:100%; + width:100%; +} + +body{ + background-color:var(--body-bg-color); + scrollbar-color:var(--scrollbar-color) var(--scrollbar-bg-color); +} + +.hidden, +[hidden]{ + display:none !important; +} + +#viewerContainer.pdfPresentationMode:fullscreen{ + top:0; + background-color:rgb(0 0 0); + width:100%; + height:100%; + overflow:hidden; + cursor:none; + user-select:none; +} + +.pdfPresentationMode:fullscreen section:not([data-internal-link]){ + pointer-events:none; +} + +.pdfPresentationMode:fullscreen .textLayer span{ + cursor:none; +} + +.pdfPresentationMode.pdfPresentationModeControls > *, +.pdfPresentationMode.pdfPresentationModeControls .textLayer span{ + cursor:default; +} + +#outerContainer{ + width:100%; + height:100%; + position:relative; +} + +#sidebarContainer{ + position:absolute; + inset-block:32px 0; + inset-inline-start:calc(-1 * var(--sidebar-width)); + width:var(--sidebar-width); + visibility:hidden; + z-index:100; + font:message-box; + border-top:1px solid rgb(51 51 51); + border-inline-end:var(--doorhanger-border-color-whcm); + transition-property:inset-inline-start; + transition-duration:var(--sidebar-transition-duration); + transition-timing-function:var(--sidebar-transition-timing-function); +} + +#outerContainer:is(.sidebarMoving, .sidebarOpen) #sidebarContainer{ + visibility:visible; +} +#outerContainer.sidebarOpen #sidebarContainer{ + inset-inline-start:0; +} + +#mainContainer{ + position:absolute; + inset:0; + min-width:350px; +} + +#sidebarContent{ + inset-block:32px 0; + inset-inline-start:0; + overflow:auto; + position:absolute; + width:100%; + box-shadow:inset calc(-1px * var(--dir-factor)) 0 0 rgb(0 0 0 / 0.25); +} + +#viewerContainer{ + overflow:auto; + position:absolute; + inset:32px 0 0; + outline:none; +} +#viewerContainer:not(.pdfPresentationMode){ + transition-duration:var(--sidebar-transition-duration); + transition-timing-function:var(--sidebar-transition-timing-function); +} + +#outerContainer.sidebarOpen #viewerContainer:not(.pdfPresentationMode){ + inset-inline-start:var(--sidebar-width); + transition-property:inset-inline-start; +} + +.toolbar{ + position:relative; + inset-inline:0; + z-index:9999; + cursor:default; + font:message-box; +} + +:is(.toolbar, .editorParamsToolbar, .findbar, #sidebarContainer) + :is(input, button, select), +.secondaryToolbar :is(input, button, a, select){ + outline:none; + font:message-box; +} + +#toolbarContainer{ + width:100%; +} + +#toolbarSidebar{ + width:100%; + height:32px; + background-color:var(--sidebar-toolbar-bg-color); + box-shadow:var(--toolbarSidebar-box-shadow); + border-bottom:var(--toolbarSidebar-border-bottom); +} + +#sidebarResizer{ + position:absolute; + inset-block:0; + inset-inline-end:-6px; + width:6px; + z-index:200; + cursor:ew-resize; +} + +#toolbarContainer, +.findbar, +.secondaryToolbar, +.editorParamsToolbar{ + position:relative; + height:32px; + background-color:var(--toolbar-bg-color); + box-shadow:var(--toolbar-box-shadow); + border-bottom:var(--toolbar-border-bottom); +} + +#toolbarViewer{ + height:32px; +} + +#loadingBar{ + --progressBar-percent:0%; + --progressBar-end-offset:0; + + position:absolute; + inset-inline:0 var(--progressBar-end-offset); + height:4px; + background-color:var(--progressBar-bg-color); + border-bottom:1px solid var(--toolbar-border-color); + transition-property:inset-inline-start; + transition-duration:var(--sidebar-transition-duration); + transition-timing-function:var(--sidebar-transition-timing-function); +} + +#outerContainer.sidebarOpen #loadingBar{ + inset-inline-start:var(--sidebar-width); +} + +#loadingBar .progress{ + position:absolute; + top:0; + inset-inline-start:0; + width:100%; + transform:scaleX(var(--progressBar-percent)); + transform-origin:calc(50% - 50% * var(--dir-factor)) 0; + height:100%; + background-color:var(--progressBar-color); + overflow:hidden; + transition:transform 200ms; +} + +@keyframes progressIndeterminate{ + 0%{ + transform:translateX(calc(-142px * var(--dir-factor))); + } + 100%{ + transform:translateX(0); + } +} + +#loadingBar.indeterminate .progress{ + transform:none; + background-color:var(--progressBar-bg-color); + transition:none; +} + +#loadingBar.indeterminate .progress .glimmer{ + position:absolute; + top:0; + inset-inline-start:0; + height:100%; + width:calc(100% + 150px); + background:repeating-linear-gradient( + 135deg, + var(--progressBar-blend-color) 0, + var(--progressBar-bg-color) 5px, + var(--progressBar-bg-color) 45px, + var(--progressBar-color) 55px, + var(--progressBar-color) 95px, + var(--progressBar-blend-color) 100px + ); + animation:progressIndeterminate 1s linear infinite; +} + +#outerContainer.sidebarResizing + :is(#sidebarContainer, #viewerContainer, #loadingBar){ + transition-duration:0s; +} + +.findbar, +.secondaryToolbar, +.editorParamsToolbar{ + top:32px; + position:absolute; + z-index:30000; + height:auto; + padding:0 4px; + margin:4px 2px; + font:message-box; + font-size:12px; + line-height:14px; + text-align:left; + cursor:default; +} + +.findbar{ + inset-inline-start:64px; + min-width:300px; + background-color:var(--toolbar-bg-color); +} +.findbar > div{ + height:32px; +} +.findbar > div#findbarInputContainer{ + margin-inline-end:4px; +} +.findbar.wrapContainers > div, +.findbar.wrapContainers > div#findbarMessageContainer > *{ + clear:both; +} +.findbar.wrapContainers > div#findbarMessageContainer{ + height:auto; +} + +.findbar input[type="checkbox"]{ + pointer-events:none; +} + +.findbar label{ + user-select:none; +} + +.findbar label:hover, +.findbar input:focus-visible + label{ + color:var(--toggled-btn-color); + background-color:var(--button-hover-color); +} + +.findbar .toolbarField[type="checkbox"]:checked + .toolbarLabel{ + background-color:var(--toggled-btn-bg-color) !important; + color:var(--toggled-btn-color); +} + +#findInput{ + width:200px; + + &::placeholder{ + font-style:normal; + } + .loadingInput:has(> &[data-status="pending"])::after{ + visibility:visible; + } + &[data-status="notFound"]{ + background-color:rgb(255 102 102); + } +} + +.secondaryToolbar, +.editorParamsToolbar{ + padding:6px 0 10px; + inset-inline-end:4px; + height:auto; + background-color:var(--doorhanger-bg-color); +} + +.editorParamsToolbarContainer{ + width:220px; + margin-bottom:-4px; +} + +.editorParamsToolbarContainer > .editorParamsSetter{ + min-height:26px; + display:flex; + align-items:center; + justify-content:space-between; + padding-inline:10px; +} + +.editorParamsToolbarContainer .editorParamsLabel{ + padding-inline-end:10px; + flex:none; + font:menu; + font-size:13px; + font-style:normal; + font-weight:400; + line-height:150%; + color:var(--main-color); +} + +.editorParamsToolbarContainer .editorParamsColor{ + width:32px; + height:32px; + flex:none; +} + +.editorParamsToolbarContainer .editorParamsSlider{ + background-color:transparent; + width:90px; + flex:0 1 0; +} + +.editorParamsToolbarContainer .editorParamsSlider::-moz-range-progress{ + background-color:black; +} + +.editorParamsToolbarContainer .editorParamsSlider::-moz-range-track{ + background-color:black; +} + +.editorParamsToolbarContainer .editorParamsSlider::-moz-range-thumb{ + background-color:white; +} + +#secondaryToolbarButtonContainer{ + max-width:220px; + min-height:26px; + max-height:calc(var(--viewer-container-height) - 40px); + overflow-y:auto; + margin-bottom:-4px; +} + +#editorStampParamsToolbar{ + inset-inline-end:calc(var(--editor-toolbar-base-offset) + 0px); +} + +#editorInkParamsToolbar{ + inset-inline-end:calc(var(--editor-toolbar-base-offset) + 28px); +} + +#editorFreeTextParamsToolbar{ + inset-inline-end:calc(var(--editor-toolbar-base-offset) + 56px); +} + +#editorHighlightParamsToolbar{ + inset-inline-end:calc(var(--editor-toolbar-base-offset) + 84px); +} + +#editorStampAddImage::before{ + mask-image:var(--editorParams-stampAddImage-icon); +} + +.doorHanger, +.doorHangerRight{ + border-radius:2px; + box-shadow:0 1px 5px var(--doorhanger-border-color), 0 0 0 1px var(--doorhanger-border-color); + border:var(--doorhanger-border-color-whcm); +} +:is(.doorHanger, .doorHangerRight)::after, +:is(.doorHanger, .doorHangerRight)::before{ + bottom:100%; + border:8px solid rgb(0 0 0 / 0); + content:" "; + height:0; + width:0; + position:absolute; + pointer-events:none; + opacity:var(--doorhanger-triangle-opacity-whcm); +} +.doorHanger::after{ + inset-inline-start:10px; + margin-inline-start:-8px; + border-bottom-color:var(--toolbar-bg-color); +} +.doorHangerRight::after{ + inset-inline-end:10px; + margin-inline-end:-8px; + border-bottom-color:var(--doorhanger-bg-color); +} +:is(.doorHanger, .doorHangerRight)::before{ + border-bottom-color:var(--doorhanger-border-color); + border-width:9px; +} +.doorHanger::before{ + inset-inline-start:10px; + margin-inline-start:-9px; +} +.doorHangerRight::before{ + inset-inline-end:10px; + margin-inline-end:-9px; +} + +#findResultsCount{ + background-color:rgb(217 217 217); + color:rgb(82 82 82); + text-align:center; + padding:4px 5px; + margin:5px; +} + +#findMsg[data-status="notFound"]{ + font-weight:bold; +} + +:is(#findResultsCount, #findMsg):empty{ + display:none; +} + +#toolbarViewerMiddle{ + position:absolute; + left:50%; + transform:translateX(-50%); +} + +#toolbarViewerLeft, +#toolbarSidebarLeft{ + float:inline-start; +} +#toolbarViewerRight, +#toolbarSidebarRight{ + float:inline-end; +} + +#toolbarViewerLeft > *, +#toolbarViewerMiddle > *, +#toolbarViewerRight > *, +#toolbarSidebarLeft *, +#toolbarSidebarRight *, +.findbar *{ + position:relative; + float:inline-start; +} + +#toolbarViewerLeft{ + padding-inline-start:1px; +} +#toolbarViewerRight{ + padding-inline-end:1px; +} +#toolbarSidebarRight{ + padding-inline-end:2px; +} + +.splitToolbarButton{ + margin:2px; + display:inline-block; +} +.splitToolbarButton > .toolbarButton{ + float:inline-start; +} + +.toolbarButton, +.secondaryToolbarButton, +.dialogButton{ + border:none; + background:none; + width:28px; + height:28px; + outline:none; +} + +.dialogButton:is(:hover, :focus-visible){ + background-color:var(--dialog-button-hover-bg-color); +} + +.dialogButton:is(:hover, :focus-visible) > span{ + color:var(--dialog-button-hover-color); +} + +.toolbarButton > span{ + display:inline-block; + width:0; + height:0; + overflow:hidden; +} + +:is(.toolbarButton, .secondaryToolbarButton, .dialogButton)[disabled]{ + opacity:0.5; +} + +.splitToolbarButton > .toolbarButton:is(:hover, :focus-visible), +.dropdownToolbarButton:hover{ + background-color:var(--button-hover-color); +} +.splitToolbarButton > .toolbarButton{ + position:relative; + margin:0; +} +#toolbarSidebar .splitToolbarButton > .toolbarButton{ + margin-inline-end:2px; +} + +.splitToolbarButtonSeparator{ + float:inline-start; + margin:4px 0; + width:1px; + height:20px; + background-color:var(--separator-color); +} + +.toolbarButton, +.dropdownToolbarButton, +.secondaryToolbarButton, +.dialogButton{ + min-width:16px; + margin:2px 1px; + padding:2px 6px 0; + border:none; + border-radius:2px; + color:var(--main-color); + font-size:12px; + line-height:14px; + user-select:none; + cursor:default; + box-sizing:border-box; +} + +.toolbarButton:is(:hover, :focus-visible){ + background-color:var(--button-hover-color); +} +.secondaryToolbarButton:is(:hover, :focus-visible){ + background-color:var(--doorhanger-hover-bg-color); + color:var(--doorhanger-hover-color); +} + +:is(.toolbarButton, .secondaryToolbarButton).toggled, +.splitToolbarButton.toggled > .toolbarButton.toggled{ + background-color:var(--toggled-btn-bg-color); + color:var(--toggled-btn-color); +} + +:is(.toolbarButton, .secondaryToolbarButton).toggled:hover, +.splitToolbarButton.toggled > .toolbarButton.toggled:hover{ + outline:var(--toggled-hover-btn-outline) !important; +} + +:is(.toolbarButton, .secondaryToolbarButton).toggled::before{ + background-color:var(--toggled-btn-color); +} + +:is(.toolbarButton, .secondaryToolbarButton).toggled:hover:active, +.splitToolbarButton.toggled > .toolbarButton.toggled:hover:active{ + background-color:var(--toggled-hover-active-btn-color); +} + +.dropdownToolbarButton{ + display:flex; + width:-moz-fit-content; + width:fit-content; + min-width:140px; + padding:0; + background-color:var(--dropdown-btn-bg-color); + border:var(--dropdown-btn-border); +} +.dropdownToolbarButton::after{ + top:6px; + inset-inline-end:6px; + pointer-events:none; + mask-image:var(--toolbarButton-menuArrow-icon); +} + +.dropdownToolbarButton > select{ + appearance:none; + width:inherit; + min-width:inherit; + height:28px; + font-size:12px; + color:var(--main-color); + margin:0; + padding-block:1px 2px; + padding-inline:6px 38px; + border:none; + background-color:var(--dropdown-btn-bg-color); +} +.dropdownToolbarButton > select:is(:hover, :focus-visible){ + background-color:var(--button-hover-color); + color:var(--toggled-btn-color); +} +.dropdownToolbarButton > select > option{ + background:var(--doorhanger-bg-color); + color:var(--main-color); +} + +.toolbarButtonSpacer{ + width:30px; + display:inline-block; + height:1px; +} + +:is(.toolbarButton, .secondaryToolbarButton, .treeItemToggler)::before, +.dropdownToolbarButton::after{ + position:absolute; + display:inline-block; + width:16px; + height:16px; + + content:""; + background-color:var(--toolbar-icon-bg-color); + mask-size:cover; +} + +.dropdownToolbarButton:is(:hover, :focus-visible, :active)::after{ + background-color:var(--toolbar-icon-hover-bg-color); +} + +.toolbarButton::before{ + opacity:var(--toolbar-icon-opacity); + top:6px; + left:6px; +} + +.toolbarButton:is(:hover, :focus-visible)::before, +.secondaryToolbarButton:is(:hover, :focus-visible)::before{ + background-color:var(--toolbar-icon-hover-bg-color); +} + +.secondaryToolbarButton::before{ + opacity:var(--doorhanger-icon-opacity); + top:5px; + inset-inline-start:12px; +} + +#sidebarToggle::before{ + mask-image:var(--toolbarButton-sidebarToggle-icon); + transform:scaleX(var(--dir-factor)); +} + +#secondaryToolbarToggle::before{ + mask-image:var(--toolbarButton-secondaryToolbarToggle-icon); + transform:scaleX(var(--dir-factor)); +} + +#findPrevious::before{ + mask-image:var(--findbarButton-previous-icon); +} + +#findNext::before{ + mask-image:var(--findbarButton-next-icon); +} + +#previous::before{ + mask-image:var(--toolbarButton-pageUp-icon); +} + +#next::before{ + mask-image:var(--toolbarButton-pageDown-icon); +} + +#zoomOut::before{ + mask-image:var(--toolbarButton-zoomOut-icon); +} + +#zoomIn::before{ + mask-image:var(--toolbarButton-zoomIn-icon); +} + +#presentationMode::before{ + mask-image:var(--toolbarButton-presentationMode-icon); +} + +#editorFreeText::before{ + mask-image:var(--toolbarButton-editorFreeText-icon); +} + +#editorHighlight::before{ + mask-image:var(--toolbarButton-editorHighlight-icon); +} + +#editorInk::before{ + mask-image:var(--toolbarButton-editorInk-icon); +} + +#editorStamp::before{ + mask-image:var(--toolbarButton-editorStamp-icon); +} + +:is(#print, #secondaryPrint)::before{ + mask-image:var(--toolbarButton-print-icon); +} + +:is(#download, #secondaryDownload)::before{ + mask-image:var(--toolbarButton-download-icon); +} + +a.secondaryToolbarButton{ + padding-top:5px; + text-decoration:none; +} +a:is(.toolbarButton, .secondaryToolbarButton)[href="#"]{ + opacity:0.5; + pointer-events:none; +} + +#viewBookmark::before{ + mask-image:var(--toolbarButton-bookmark-icon); +} + +#viewThumbnail::before{ + mask-image:var(--toolbarButton-viewThumbnail-icon); +} + +#viewOutline::before{ + mask-image:var(--toolbarButton-viewOutline-icon); + transform:scaleX(var(--dir-factor)); +} + +#viewAttachments::before{ + mask-image:var(--toolbarButton-viewAttachments-icon); +} + +#viewLayers::before{ + mask-image:var(--toolbarButton-viewLayers-icon); +} + +#currentOutlineItem::before{ + mask-image:var(--toolbarButton-currentOutlineItem-icon); + transform:scaleX(var(--dir-factor)); +} + +#viewFind::before{ + mask-image:var(--toolbarButton-search-icon); +} + +.pdfSidebarNotification::after{ + position:absolute; + display:inline-block; + top:2px; + inset-inline-end:2px; + content:""; + background-color:rgb(112 219 85); + height:9px; + width:9px; + border-radius:50%; +} + +.secondaryToolbarButton{ + position:relative; + margin:0; + padding:0 0 1px; + padding-inline-start:36px; + height:auto; + min-height:26px; + width:auto; + min-width:100%; + text-align:start; + white-space:normal; + border-radius:0; + box-sizing:border-box; + display:inline-block; +} +.secondaryToolbarButton > span{ + padding-inline-end:4px; +} + +#firstPage::before{ + mask-image:var(--secondaryToolbarButton-firstPage-icon); +} + +#lastPage::before{ + mask-image:var(--secondaryToolbarButton-lastPage-icon); +} + +#pageRotateCcw::before{ + mask-image:var(--secondaryToolbarButton-rotateCcw-icon); +} + +#pageRotateCw::before{ + mask-image:var(--secondaryToolbarButton-rotateCw-icon); +} + +#cursorSelectTool::before{ + mask-image:var(--secondaryToolbarButton-selectTool-icon); +} + +#cursorHandTool::before{ + mask-image:var(--secondaryToolbarButton-handTool-icon); +} + +#scrollPage::before{ + mask-image:var(--secondaryToolbarButton-scrollPage-icon); +} + +#scrollVertical::before{ + mask-image:var(--secondaryToolbarButton-scrollVertical-icon); +} + +#scrollHorizontal::before{ + mask-image:var(--secondaryToolbarButton-scrollHorizontal-icon); +} + +#scrollWrapped::before{ + mask-image:var(--secondaryToolbarButton-scrollWrapped-icon); +} + +#spreadNone::before{ + mask-image:var(--secondaryToolbarButton-spreadNone-icon); +} + +#spreadOdd::before{ + mask-image:var(--secondaryToolbarButton-spreadOdd-icon); +} + +#spreadEven::before{ + mask-image:var(--secondaryToolbarButton-spreadEven-icon); +} + +#documentProperties::before{ + mask-image:var(--secondaryToolbarButton-documentProperties-icon); +} + +.verticalToolbarSeparator{ + display:block; + margin:5px 2px; + width:1px; + height:22px; + background-color:var(--separator-color); +} +.horizontalToolbarSeparator{ + display:block; + margin:6px 0; + height:1px; + width:100%; + background-color:var(--doorhanger-separator-color); +} + +.toolbarField{ + padding:4px 7px; + margin:3px 0; + border-radius:2px; + background-color:var(--field-bg-color); + background-clip:padding-box; + border:1px solid var(--field-border-color); + box-shadow:none; + color:var(--field-color); + font-size:12px; + line-height:16px; + outline:none; +} + +.toolbarField[type="checkbox"]{ + opacity:0; + position:absolute !important; + left:0; + margin:10px 0 3px; + margin-inline-start:7px; +} + +#pageNumber{ + -moz-appearance:textfield; + text-align:end; + width:40px; + background-size:0 0; + transition-property:none; + + .loadingInput:has(> &.loading)::after{ + visibility:visible; + + transition-property:visibility; + transition-delay:var(--loading-icon-delay); + } +} + +.loadingInput{ + &::after{ + position:absolute; + visibility:hidden; + top:calc(50% - 8px); + width:16px; + height:16px; + + content:""; + background-color:var(--toolbar-icon-bg-color); + mask-size:cover; + mask-image:var(--loading-icon); + } + + &.start::after{ + inset-inline-start:4px; + } + &.end::after{ + inset-inline-end:4px; + } +} + +.toolbarField:focus{ + border-color:#0a84ff; +} + +.toolbarLabel{ + min-width:16px; + padding:7px; + margin:2px; + border-radius:2px; + color:var(--main-color); + font-size:12px; + line-height:14px; + text-align:left; + user-select:none; + cursor:default; +} + +#numPages.toolbarLabel{ + padding-inline-start:3px; +} + +#thumbnailView, +#outlineView, +#attachmentsView, +#layersView{ + position:absolute; + width:calc(100% - 8px); + inset-block:0; + padding:4px 4px 0; + overflow:auto; + user-select:none; +} +#thumbnailView{ + width:calc(100% - 60px); + padding:10px 30px 0; +} + +#thumbnailView > a:is(:active, :focus){ + outline:0; +} + +.thumbnail{ + --thumbnail-width:0; + --thumbnail-height:0; + + float:inline-start; + width:var(--thumbnail-width); + height:var(--thumbnail-height); + margin:0 10px 5px; + padding:1px; + border:7px solid transparent; + border-radius:2px; +} + +#thumbnailView > a:last-of-type > .thumbnail{ + margin-bottom:10px; +} + +a:focus > .thumbnail, +.thumbnail:hover{ + border-color:var(--thumbnail-hover-color); +} +.thumbnail.selected{ + border-color:var(--thumbnail-selected-color) !important; +} + +.thumbnailImage{ + width:var(--thumbnail-width); + height:var(--thumbnail-height); + opacity:0.9; +} +a:focus > .thumbnail > .thumbnailImage, +.thumbnail:hover > .thumbnailImage{ + opacity:0.95; +} +.thumbnail.selected > .thumbnailImage{ + opacity:1 !important; +} + +.thumbnail:not([data-loaded]) > .thumbnailImage{ + width:calc(var(--thumbnail-width) - 2px); + height:calc(var(--thumbnail-height) - 2px); + border:1px dashed rgb(132 132 132); +} + +.treeWithDeepNesting > .treeItem, +.treeItem > .treeItems{ + margin-inline-start:20px; +} + +.treeItem > a{ + text-decoration:none; + display:inline-block; + min-width:calc(100% - 4px); + height:auto; + margin-bottom:1px; + padding:2px 0 5px; + padding-inline-start:4px; + border-radius:2px; + color:var(--treeitem-color); + font-size:13px; + line-height:15px; + user-select:none; + white-space:normal; + cursor:pointer; +} + +#layersView .treeItem > a *{ + cursor:pointer; +} +#layersView .treeItem > a > label{ + padding-inline-start:4px; +} +#layersView .treeItem > a > label > input{ + float:inline-start; + margin-top:1px; +} + +.treeItemToggler{ + position:relative; + float:inline-start; + height:0; + width:0; + color:rgb(255 255 255 / 0.5); +} +.treeItemToggler::before{ + inset-inline-end:4px; + mask-image:var(--treeitem-expanded-icon); +} +.treeItemToggler.treeItemsHidden::before{ + mask-image:var(--treeitem-collapsed-icon); + transform:scaleX(var(--dir-factor)); +} +.treeItemToggler.treeItemsHidden ~ .treeItems{ + display:none; +} + +.treeItem.selected > a{ + background-color:var(--treeitem-selected-bg-color); + color:var(--treeitem-selected-color); +} + +.treeItemToggler:hover, +.treeItemToggler:hover + a, +.treeItemToggler:hover ~ .treeItems, +.treeItem > a:hover{ + background-color:var(--treeitem-bg-color); + background-clip:padding-box; + border-radius:2px; + color:var(--treeitem-hover-color); +} + +#outlineOptionsContainer{ + display:none; + + #sidebarContainer:has(#outlineView:not(.hidden)) &{ + display:inherit; + } +} + +.dialogButton{ + width:auto; + margin:3px 4px 2px !important; + padding:2px 11px; + color:var(--main-color); + background-color:var(--dialog-button-bg-color); + border:var(--dialog-button-border) !important; +} + +dialog{ + margin:auto; + padding:15px; + border-spacing:4px; + color:var(--main-color); + font:message-box; + font-size:12px; + line-height:14px; + background-color:var(--doorhanger-bg-color); + border:1px solid rgb(0 0 0 / 0.5); + border-radius:4px; + box-shadow:0 1px 4px rgb(0 0 0 / 0.3); +} +dialog::backdrop{ + background-color:rgb(0 0 0 / 0.2); +} + +dialog > .row{ + display:table-row; +} + +dialog > .row > *{ + display:table-cell; +} + +dialog .toolbarField{ + margin:5px 0; +} + +dialog .separator{ + display:block; + margin:4px 0; + height:1px; + width:100%; + background-color:var(--separator-color); +} + +dialog .buttonRow{ + text-align:center; + vertical-align:middle; +} + +dialog :link{ + color:rgb(255 255 255); +} + +#passwordDialog{ + text-align:center; +} +#passwordDialog .toolbarField{ + width:200px; +} + +#documentPropertiesDialog{ + text-align:left; +} +#documentPropertiesDialog .row > *{ + min-width:100px; + text-align:start; +} +#documentPropertiesDialog .row > span{ + width:125px; + word-wrap:break-word; +} +#documentPropertiesDialog .row > p{ + max-width:225px; + word-wrap:break-word; +} +#documentPropertiesDialog .buttonRow{ + margin-top:10px; +} + +.grab-to-pan-grab{ + cursor:grab !important; +} +.grab-to-pan-grab + *:not(input):not(textarea):not(button):not(select):not(:link){ + cursor:inherit !important; +} +.grab-to-pan-grab:active, +.grab-to-pan-grabbing{ + cursor:grabbing !important; +} +.grab-to-pan-grabbing{ + position:fixed; + background:rgb(0 0 0 / 0); + display:block; + inset:0; + overflow:hidden; + z-index:50000; +} + +@page{ + margin:0; +} + +#printContainer{ + display:none; +} + +@media print{ + body{ + background:rgb(0 0 0 / 0) none; + } + body[data-pdfjsprinting] #outerContainer{ + display:none; + } + body[data-pdfjsprinting] #printContainer{ + display:block; + } + #printContainer{ + height:100%; + } + #printContainer > .printedPage{ + page-break-after:always; + page-break-inside:avoid; + height:100%; + width:100%; + + display:flex; + flex-direction:column; + justify-content:center; + align-items:center; + } + + #printContainer > .xfaPrintedPage .xfaPage{ + position:absolute; + } + + #printContainer > .xfaPrintedPage{ + page-break-after:always; + page-break-inside:avoid; + width:100%; + height:100%; + position:relative; + } + + #printContainer > .printedPage :is(canvas, img){ + max-width:100%; + max-height:100%; + + direction:ltr; + display:block; + } +} + +.visibleMediumView{ + display:none; +} + +@media all and (max-width: 900px){ + #toolbarViewerMiddle{ + display:table; + margin:auto; + left:auto; + position:inherit; + transform:none; + } +} + +@media all and (max-width: 840px){ + #sidebarContainer{ + background-color:var(--sidebar-narrow-bg-color); + } + #outerContainer.sidebarOpen #viewerContainer{ + inset-inline-start:0 !important; + } +} + +@media all and (max-width: 750px){ + :root{ + --editor-toolbar-base-offset:40px; + } + #outerContainer .hiddenMediumView{ + display:none; + } + #outerContainer .visibleMediumView{ + display:inherit; + } +} + +@media all and (max-width: 690px){ + .hiddenSmallView, + .hiddenSmallView *{ + display:none; + } + .toolbarButtonSpacer{ + width:0; + } + .findbar{ + inset-inline-start:34px; + } +} + +@media all and (max-width: 560px){ + #scaleSelectContainer{ + display:none; + } +} diff --git a/toolkit/components/pdfjs/content/web/viewer.html b/toolkit/components/pdfjs/content/web/viewer.html new file mode 100644 index 0000000000..59438b64b4 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer.html @@ -0,0 +1,485 @@ +<!DOCTYPE html> +<!-- +Copyright 2012 Mozilla Foundation + +Licensed under the Apache License, Version 2.0 (the "License"); +you may not use this file except in compliance with the License. +You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + +Unless required by applicable law or agreed to in writing, software +distributed under the License is distributed on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +See the License for the specific language governing permissions and +limitations under the License. + +Adobe CMap resources are covered by their own copyright but the same license: + + Copyright 1990-2015 Adobe Systems Incorporated. + +See https://github.com/adobe-type-tools/cmap-resources +--> +<html dir="ltr" mozdisallowselectionprint> + <head> + <meta charset="utf-8"> + <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1"> + <title>PDF.js viewer</title> + +<!-- This snippet is used in the Firefox extension (included from viewer.html) --> +<script src="resource://pdf.js/build/pdf.mjs" type="module"></script> + + <link rel="stylesheet" href="resource://pdf.js/web/viewer.css"> + <link rel="localization" href="toolkit/pdfviewer/viewer.ftl"/> + + <script src="resource://pdf.js/web/viewer.mjs" type="module"></script> + </head> + + <body tabindex="1"> + <div id="outerContainer"> + + <div id="sidebarContainer"> + <div id="toolbarSidebar"> + <div id="toolbarSidebarLeft"> + <div id="sidebarViewButtons" class="splitToolbarButton toggled" role="radiogroup"> + <button id="viewThumbnail" class="toolbarButton toggled" title="Show Thumbnails" tabindex="2" data-l10n-id="pdfjs-thumbs-button" role="radio" aria-checked="true" aria-controls="thumbnailView"> + <span data-l10n-id="pdfjs-thumbs-button-label">Thumbnails</span> + </button> + <button id="viewOutline" class="toolbarButton" title="Show Document Outline (double-click to expand/collapse all items)" tabindex="3" data-l10n-id="pdfjs-document-outline-button" role="radio" aria-checked="false" aria-controls="outlineView"> + <span data-l10n-id="pdfjs-document-outline-button-label">Document Outline</span> + </button> + <button id="viewAttachments" class="toolbarButton" title="Show Attachments" tabindex="4" data-l10n-id="pdfjs-attachments-button" role="radio" aria-checked="false" aria-controls="attachmentsView"> + <span data-l10n-id="pdfjs-attachments-button-label">Attachments</span> + </button> + <button id="viewLayers" class="toolbarButton" title="Show Layers (double-click to reset all layers to the default state)" tabindex="5" data-l10n-id="pdfjs-layers-button" role="radio" aria-checked="false" aria-controls="layersView"> + <span data-l10n-id="pdfjs-layers-button-label">Layers</span> + </button> + </div> + </div> + + <div id="toolbarSidebarRight"> + <div id="outlineOptionsContainer"> + <div class="verticalToolbarSeparator"></div> + + <button id="currentOutlineItem" class="toolbarButton" disabled="disabled" title="Find Current Outline Item" tabindex="6" data-l10n-id="pdfjs-current-outline-item-button"> + <span data-l10n-id="pdfjs-current-outline-item-button-label">Current Outline Item</span> + </button> + </div> + </div> + </div> + <div id="sidebarContent"> + <div id="thumbnailView"> + </div> + <div id="outlineView" class="hidden"> + </div> + <div id="attachmentsView" class="hidden"> + </div> + <div id="layersView" class="hidden"> + </div> + </div> + <div id="sidebarResizer"></div> + </div> <!-- sidebarContainer --> + + <div id="mainContainer"> + <div class="findbar hidden doorHanger" id="findbar"> + <div id="findbarInputContainer"> + <span class="loadingInput end"> + <input id="findInput" class="toolbarField" title="Find" placeholder="Find in document…" tabindex="91" data-l10n-id="pdfjs-find-input" aria-invalid="false"> + </span> + <div class="splitToolbarButton"> + <button id="findPrevious" class="toolbarButton" title="Find the previous occurrence of the phrase" tabindex="92" data-l10n-id="pdfjs-find-previous-button"> + <span data-l10n-id="pdfjs-find-previous-button-label">Previous</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button id="findNext" class="toolbarButton" title="Find the next occurrence of the phrase" tabindex="93" data-l10n-id="pdfjs-find-next-button"> + <span data-l10n-id="pdfjs-find-next-button-label">Next</span> + </button> + </div> + </div> + + <div id="findbarOptionsOneContainer"> + <input type="checkbox" id="findHighlightAll" class="toolbarField" tabindex="94"> + <label for="findHighlightAll" class="toolbarLabel" data-l10n-id="pdfjs-find-highlight-checkbox">Highlight All</label> + <input type="checkbox" id="findMatchCase" class="toolbarField" tabindex="95"> + <label for="findMatchCase" class="toolbarLabel" data-l10n-id="pdfjs-find-match-case-checkbox-label">Match Case</label> + </div> + <div id="findbarOptionsTwoContainer"> + <input type="checkbox" id="findMatchDiacritics" class="toolbarField" tabindex="96"> + <label for="findMatchDiacritics" class="toolbarLabel" data-l10n-id="pdfjs-find-match-diacritics-checkbox-label">Match Diacritics</label> + <input type="checkbox" id="findEntireWord" class="toolbarField" tabindex="97"> + <label for="findEntireWord" class="toolbarLabel" data-l10n-id="pdfjs-find-entire-word-checkbox-label">Whole Words</label> + </div> + + <div id="findbarMessageContainer" aria-live="polite"> + <span id="findResultsCount" class="toolbarLabel"></span> + <span id="findMsg" class="toolbarLabel"></span> + </div> + </div> <!-- findbar --> + + <div class="editorParamsToolbar hidden doorHangerRight" id="editorHighlightParamsToolbar"> + <div id="highlightParamsToolbarContainer" class="editorParamsToolbarContainer"> + <div id="editorHighlightColorPicker" class="colorPicker"> + <span id="highlightColorPickerLabel" class="editorParamsLabel" data-l10n-id="pdfjs-editor-highlight-colorpicker-label">Highlight color</span> + </div> + <div id="editorHighlightThickness"> + <label for="editorFreeHighlightThickness" class="editorParamsLabel" data-l10n-id="pdfjs-editor-free-highlight-thickness-input">Thickness</label> + <div class="thicknessPicker"> + <input type="range" id="editorFreeHighlightThickness" class="editorParamsSlider" data-l10n-id="pdfjs-editor-free-highlight-thickness-title" value="12" min="8" max="24" step="1" tabindex="101"> + </div> + </div> + </div> + </div> + + <div class="editorParamsToolbar hidden doorHangerRight" id="editorFreeTextParamsToolbar"> + <div class="editorParamsToolbarContainer"> + <div class="editorParamsSetter"> + <label for="editorFreeTextColor" class="editorParamsLabel" data-l10n-id="pdfjs-editor-free-text-color-input">Color</label> + <input type="color" id="editorFreeTextColor" class="editorParamsColor" tabindex="102"> + </div> + <div class="editorParamsSetter"> + <label for="editorFreeTextFontSize" class="editorParamsLabel" data-l10n-id="pdfjs-editor-free-text-size-input">Size</label> + <input type="range" id="editorFreeTextFontSize" class="editorParamsSlider" value="10" min="5" max="100" step="1" tabindex="103"> + </div> + </div> + </div> + + <div class="editorParamsToolbar hidden doorHangerRight" id="editorInkParamsToolbar"> + <div class="editorParamsToolbarContainer"> + <div class="editorParamsSetter"> + <label for="editorInkColor" class="editorParamsLabel" data-l10n-id="pdfjs-editor-ink-color-input">Color</label> + <input type="color" id="editorInkColor" class="editorParamsColor" tabindex="104"> + </div> + <div class="editorParamsSetter"> + <label for="editorInkThickness" class="editorParamsLabel" data-l10n-id="pdfjs-editor-ink-thickness-input">Thickness</label> + <input type="range" id="editorInkThickness" class="editorParamsSlider" value="1" min="1" max="20" step="1" tabindex="105"> + </div> + <div class="editorParamsSetter"> + <label for="editorInkOpacity" class="editorParamsLabel" data-l10n-id="pdfjs-editor-ink-opacity-input">Opacity</label> + <input type="range" id="editorInkOpacity" class="editorParamsSlider" value="100" min="1" max="100" step="1" tabindex="106"> + </div> + </div> + </div> + + <div class="editorParamsToolbar hidden doorHangerRight" id="editorStampParamsToolbar"> + <div class="editorParamsToolbarContainer"> + <button id="editorStampAddImage" class="secondaryToolbarButton" title="Add image" tabindex="107" data-l10n-id="pdfjs-editor-stamp-add-image-button"> + <span class="editorParamsLabel" data-l10n-id="pdfjs-editor-stamp-add-image-button-label">Add image</span> + </button> + </div> + </div> + + <div id="secondaryToolbar" class="secondaryToolbar hidden doorHangerRight"> + <div id="secondaryToolbarButtonContainer"> + + <button id="secondaryPrint" class="secondaryToolbarButton visibleMediumView" title="Print" tabindex="52" data-l10n-id="pdfjs-print-button"> + <span data-l10n-id="pdfjs-print-button-label">Print</span> + </button> + + <button id="secondaryDownload" class="secondaryToolbarButton visibleMediumView" title="Save" tabindex="53" data-l10n-id="pdfjs-save-button"> + <span data-l10n-id="pdfjs-save-button-label">Save</span> + </button> + + <div class="horizontalToolbarSeparator visibleMediumView"></div> + + <button id="presentationMode" class="secondaryToolbarButton" title="Switch to Presentation Mode" tabindex="54" data-l10n-id="pdfjs-presentation-mode-button"> + <span data-l10n-id="pdfjs-presentation-mode-button-label">Presentation Mode</span> + </button> + + <a href="#" id="viewBookmark" class="secondaryToolbarButton" title="Current Page (View URL from Current Page)" tabindex="55" data-l10n-id="pdfjs-bookmark-button"> + <span data-l10n-id="pdfjs-bookmark-button-label">Current Page</span> + </a> + + <div id="viewBookmarkSeparator" class="horizontalToolbarSeparator"></div> + + <button id="firstPage" class="secondaryToolbarButton" title="Go to First Page" tabindex="56" data-l10n-id="pdfjs-first-page-button"> + <span data-l10n-id="pdfjs-first-page-button-label">Go to First Page</span> + </button> + <button id="lastPage" class="secondaryToolbarButton" title="Go to Last Page" tabindex="57" data-l10n-id="pdfjs-last-page-button"> + <span data-l10n-id="pdfjs-last-page-button-label">Go to Last Page</span> + </button> + + <div class="horizontalToolbarSeparator"></div> + + <button id="pageRotateCw" class="secondaryToolbarButton" title="Rotate Clockwise" tabindex="58" data-l10n-id="pdfjs-page-rotate-cw-button"> + <span data-l10n-id="pdfjs-page-rotate-cw-button-label">Rotate Clockwise</span> + </button> + <button id="pageRotateCcw" class="secondaryToolbarButton" title="Rotate Counterclockwise" tabindex="59" data-l10n-id="pdfjs-page-rotate-ccw-button"> + <span data-l10n-id="pdfjs-page-rotate-ccw-button-label">Rotate Counterclockwise</span> + </button> + + <div class="horizontalToolbarSeparator"></div> + + <div id="cursorToolButtons" role="radiogroup"> + <button id="cursorSelectTool" class="secondaryToolbarButton toggled" title="Enable Text Selection Tool" tabindex="60" data-l10n-id="pdfjs-cursor-text-select-tool-button" role="radio" aria-checked="true"> + <span data-l10n-id="pdfjs-cursor-text-select-tool-button-label">Text Selection Tool</span> + </button> + <button id="cursorHandTool" class="secondaryToolbarButton" title="Enable Hand Tool" tabindex="61" data-l10n-id="pdfjs-cursor-hand-tool-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-cursor-hand-tool-button-label">Hand Tool</span> + </button> + </div> + + <div class="horizontalToolbarSeparator"></div> + + <div id="scrollModeButtons" role="radiogroup"> + <button id="scrollPage" class="secondaryToolbarButton" title="Use Page Scrolling" tabindex="62" data-l10n-id="pdfjs-scroll-page-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-scroll-page-button-label">Page Scrolling</span> + </button> + <button id="scrollVertical" class="secondaryToolbarButton toggled" title="Use Vertical Scrolling" tabindex="63" data-l10n-id="pdfjs-scroll-vertical-button" role="radio" aria-checked="true"> + <span data-l10n-id="pdfjs-scroll-vertical-button-label" >Vertical Scrolling</span> + </button> + <button id="scrollHorizontal" class="secondaryToolbarButton" title="Use Horizontal Scrolling" tabindex="64" data-l10n-id="pdfjs-scroll-horizontal-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-scroll-horizontal-button-label">Horizontal Scrolling</span> + </button> + <button id="scrollWrapped" class="secondaryToolbarButton" title="Use Wrapped Scrolling" tabindex="65" data-l10n-id="pdfjs-scroll-wrapped-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-scroll-wrapped-button-label">Wrapped Scrolling</span> + </button> + </div> + + <div class="horizontalToolbarSeparator"></div> + + <div id="spreadModeButtons" role="radiogroup"> + <button id="spreadNone" class="secondaryToolbarButton toggled" title="Do not join page spreads" tabindex="66" data-l10n-id="pdfjs-spread-none-button" role="radio" aria-checked="true"> + <span data-l10n-id="pdfjs-spread-none-button-label">No Spreads</span> + </button> + <button id="spreadOdd" class="secondaryToolbarButton" title="Join page spreads starting with odd-numbered pages" tabindex="67" data-l10n-id="pdfjs-spread-odd-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-spread-odd-button-label">Odd Spreads</span> + </button> + <button id="spreadEven" class="secondaryToolbarButton" title="Join page spreads starting with even-numbered pages" tabindex="68" data-l10n-id="pdfjs-spread-even-button" role="radio" aria-checked="false"> + <span data-l10n-id="pdfjs-spread-even-button-label">Even Spreads</span> + </button> + </div> + + <div class="horizontalToolbarSeparator"></div> + + <button id="documentProperties" class="secondaryToolbarButton" title="Document Properties…" tabindex="69" data-l10n-id="pdfjs-document-properties-button" aria-controls="documentPropertiesDialog"> + <span data-l10n-id="pdfjs-document-properties-button-label">Document Properties…</span> + </button> + </div> + </div> <!-- secondaryToolbar --> + + <div class="toolbar"> + <div id="toolbarContainer"> + <div id="toolbarViewer"> + <div id="toolbarViewerLeft"> + <button id="sidebarToggle" class="toolbarButton" title="Toggle Sidebar" tabindex="11" data-l10n-id="pdfjs-toggle-sidebar-button" aria-expanded="false" aria-controls="sidebarContainer"> + <span data-l10n-id="pdfjs-toggle-sidebar-button-label">Toggle Sidebar</span> + </button> + <div class="toolbarButtonSpacer"></div> + <button id="viewFind" class="toolbarButton" title="Find in Document" tabindex="12" data-l10n-id="pdfjs-findbar-button" aria-expanded="false" aria-controls="findbar"> + <span data-l10n-id="pdfjs-findbar-button-label">Find</span> + </button> + <div class="splitToolbarButton hiddenSmallView"> + <button class="toolbarButton" title="Previous Page" id="previous" tabindex="13" data-l10n-id="pdfjs-previous-button"> + <span data-l10n-id="pdfjs-previous-button-label">Previous</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button class="toolbarButton" title="Next Page" id="next" tabindex="14" data-l10n-id="pdfjs-next-button"> + <span data-l10n-id="pdfjs-next-button-label">Next</span> + </button> + </div> + <span class="loadingInput start"> + <input type="number" id="pageNumber" class="toolbarField" title="Page" value="1" min="1" tabindex="15" data-l10n-id="pdfjs-page-input" autocomplete="off"> + </span> + <span id="numPages" class="toolbarLabel"></span> + </div> + <div id="toolbarViewerRight"> + <div id="editorModeButtons" class="splitToolbarButton toggled" role="radiogroup"> + <button id="editorHighlight" class="toolbarButton" hidden="true" disabled="disabled" title="Highlight" role="radio" aria-checked="false" aria-controls="editorHighlightParamsToolbar" tabindex="31" data-l10n-id="pdfjs-editor-highlight-button"> + <span data-l10n-id="pdfjs-editor-highlight-button-label">Highlight</span> + </button> + <button id="editorFreeText" class="toolbarButton" disabled="disabled" title="Text" role="radio" aria-checked="false" aria-controls="editorFreeTextParamsToolbar" tabindex="32" data-l10n-id="pdfjs-editor-free-text-button"> + <span data-l10n-id="pdfjs-editor-free-text-button-label">Text</span> + </button> + <button id="editorInk" class="toolbarButton" disabled="disabled" title="Draw" role="radio" aria-checked="false" aria-controls="editorInkParamsToolbar" tabindex="33" data-l10n-id="pdfjs-editor-ink-button"> + <span data-l10n-id="pdfjs-editor-ink-button-label">Draw</span> + </button> + <button id="editorStamp" class="toolbarButton hidden" disabled="disabled" title="Add or edit images" role="radio" aria-checked="false" aria-controls="editorStampParamsToolbar" tabindex="34" data-l10n-id="pdfjs-editor-stamp-button"> + <span data-l10n-id="pdfjs-editor-stamp-button-label">Add or edit images</span> + </button> + </div> + + <div id="editorModeSeparator" class="verticalToolbarSeparator"></div> + + <button id="print" class="toolbarButton hiddenMediumView" title="Print" tabindex="41" data-l10n-id="pdfjs-print-button"> + <span data-l10n-id="pdfjs-print-button-label">Print</span> + </button> + + <button id="download" class="toolbarButton hiddenMediumView" title="Save" tabindex="42" data-l10n-id="pdfjs-save-button"> + <span data-l10n-id="pdfjs-save-button-label">Save</span> + </button> + + <div class="verticalToolbarSeparator hiddenMediumView"></div> + + <button id="secondaryToolbarToggle" class="toolbarButton" title="Tools" tabindex="43" data-l10n-id="pdfjs-tools-button" aria-expanded="false" aria-controls="secondaryToolbar"> + <span data-l10n-id="pdfjs-tools-button-label">Tools</span> + </button> + </div> + <div id="toolbarViewerMiddle"> + <div class="splitToolbarButton"> + <button id="zoomOut" class="toolbarButton" title="Zoom Out" tabindex="21" data-l10n-id="pdfjs-zoom-out-button"> + <span data-l10n-id="pdfjs-zoom-out-button-label">Zoom Out</span> + </button> + <div class="splitToolbarButtonSeparator"></div> + <button id="zoomIn" class="toolbarButton" title="Zoom In" tabindex="22" data-l10n-id="pdfjs-zoom-in-button"> + <span data-l10n-id="pdfjs-zoom-in-button-label">Zoom In</span> + </button> + </div> + <span id="scaleSelectContainer" class="dropdownToolbarButton"> + <select id="scaleSelect" title="Zoom" tabindex="23" data-l10n-id="pdfjs-zoom-select"> + <option id="pageAutoOption" title="" value="auto" selected="selected" data-l10n-id="pdfjs-page-scale-auto">Automatic Zoom</option> + <option id="pageActualOption" title="" value="page-actual" data-l10n-id="pdfjs-page-scale-actual">Actual Size</option> + <option id="pageFitOption" title="" value="page-fit" data-l10n-id="pdfjs-page-scale-fit">Page Fit</option> + <option id="pageWidthOption" title="" value="page-width" data-l10n-id="pdfjs-page-scale-width">Page Width</option> + <option id="customScaleOption" title="" value="custom" disabled="disabled" hidden="true" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 0 }'>0%</option> + <option title="" value="0.5" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 50 }'>50%</option> + <option title="" value="0.75" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 75 }'>75%</option> + <option title="" value="1" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 100 }'>100%</option> + <option title="" value="1.25" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 125 }'>125%</option> + <option title="" value="1.5" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 150 }'>150%</option> + <option title="" value="2" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 200 }'>200%</option> + <option title="" value="3" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 300 }'>300%</option> + <option title="" value="4" data-l10n-id="pdfjs-page-scale-percent" data-l10n-args='{ "scale": 400 }'>400%</option> + </select> + </span> + </div> + </div> + <div id="loadingBar"> + <div class="progress"> + <div class="glimmer"> + </div> + </div> + </div> + </div> + </div> + + <div id="viewerContainer" tabindex="0"> + <div id="viewer" class="pdfViewer"></div> + </div> + </div> <!-- mainContainer --> + + <div id="dialogContainer"> + <dialog id="passwordDialog"> + <div class="row"> + <label for="password" id="passwordText" data-l10n-id="pdfjs-password-label">Enter the password to open this PDF file:</label> + </div> + <div class="row"> + <input type="password" id="password" class="toolbarField"> + </div> + <div class="buttonRow"> + <button id="passwordCancel" class="dialogButton"><span data-l10n-id="pdfjs-password-cancel-button">Cancel</span></button> + <button id="passwordSubmit" class="dialogButton"><span data-l10n-id="pdfjs-password-ok-button">OK</span></button> + </div> + </dialog> + <dialog id="documentPropertiesDialog"> + <div class="row"> + <span id="fileNameLabel" data-l10n-id="pdfjs-document-properties-file-name">File name:</span> + <p id="fileNameField" aria-labelledby="fileNameLabel">-</p> + </div> + <div class="row"> + <span id="fileSizeLabel" data-l10n-id="pdfjs-document-properties-file-size">File size:</span> + <p id="fileSizeField" aria-labelledby="fileSizeLabel">-</p> + </div> + <div class="separator"></div> + <div class="row"> + <span id="titleLabel" data-l10n-id="pdfjs-document-properties-title">Title:</span> + <p id="titleField" aria-labelledby="titleLabel">-</p> + </div> + <div class="row"> + <span id="authorLabel" data-l10n-id="pdfjs-document-properties-author">Author:</span> + <p id="authorField" aria-labelledby="authorLabel">-</p> + </div> + <div class="row"> + <span id="subjectLabel" data-l10n-id="pdfjs-document-properties-subject">Subject:</span> + <p id="subjectField" aria-labelledby="subjectLabel">-</p> + </div> + <div class="row"> + <span id="keywordsLabel" data-l10n-id="pdfjs-document-properties-keywords">Keywords:</span> + <p id="keywordsField" aria-labelledby="keywordsLabel">-</p> + </div> + <div class="row"> + <span id="creationDateLabel" data-l10n-id="pdfjs-document-properties-creation-date">Creation Date:</span> + <p id="creationDateField" aria-labelledby="creationDateLabel">-</p> + </div> + <div class="row"> + <span id="modificationDateLabel" data-l10n-id="pdfjs-document-properties-modification-date">Modification Date:</span> + <p id="modificationDateField" aria-labelledby="modificationDateLabel">-</p> + </div> + <div class="row"> + <span id="creatorLabel" data-l10n-id="pdfjs-document-properties-creator">Creator:</span> + <p id="creatorField" aria-labelledby="creatorLabel">-</p> + </div> + <div class="separator"></div> + <div class="row"> + <span id="producerLabel" data-l10n-id="pdfjs-document-properties-producer">PDF Producer:</span> + <p id="producerField" aria-labelledby="producerLabel">-</p> + </div> + <div class="row"> + <span id="versionLabel" data-l10n-id="pdfjs-document-properties-version">PDF Version:</span> + <p id="versionField" aria-labelledby="versionLabel">-</p> + </div> + <div class="row"> + <span id="pageCountLabel" data-l10n-id="pdfjs-document-properties-page-count">Page Count:</span> + <p id="pageCountField" aria-labelledby="pageCountLabel">-</p> + </div> + <div class="row"> + <span id="pageSizeLabel" data-l10n-id="pdfjs-document-properties-page-size">Page Size:</span> + <p id="pageSizeField" aria-labelledby="pageSizeLabel">-</p> + </div> + <div class="separator"></div> + <div class="row"> + <span id="linearizedLabel" data-l10n-id="pdfjs-document-properties-linearized">Fast Web View:</span> + <p id="linearizedField" aria-labelledby="linearizedLabel">-</p> + </div> + <div class="buttonRow"> + <button id="documentPropertiesClose" class="dialogButton"><span data-l10n-id="pdfjs-document-properties-close-button">Close</span></button> + </div> + </dialog> + <dialog id="altTextDialog" aria-labelledby="dialogLabel" aria-describedby="dialogDescription"> + <div id="altTextContainer"> + <div id="overallDescription"> + <span id="dialogLabel" data-l10n-id="pdfjs-editor-alt-text-dialog-label" class="title">Choose an option</span> + <span id="dialogDescription" data-l10n-id="pdfjs-editor-alt-text-dialog-description"> + Alt text (alternative text) helps when people can’t see the image or when it doesn’t load. + </span> + </div> + <div id="addDescription"> + <div class="radio"> + <div class="radioButton"> + <input type="radio" id="descriptionButton" name="altTextOption" tabindex="0" aria-describedby="descriptionAreaLabel" checked> + <label for="descriptionButton" data-l10n-id="pdfjs-editor-alt-text-add-description-label">Add a description</label> + </div> + <div class="radioLabel"> + <span id="descriptionAreaLabel" data-l10n-id="pdfjs-editor-alt-text-add-description-description"> + Aim for 1-2 sentences that describe the subject, setting, or actions. + </span> + </div> + </div> + <div class="descriptionArea"> + <textarea id="descriptionTextarea" placeholder="For example, “A young man sits down at a table to eat a mealâ€" aria-labelledby="descriptionAreaLabel" data-l10n-id="pdfjs-editor-alt-text-textarea" tabindex="0"></textarea> + </div> + </div> + <div id="markAsDecorative"> + <div class="radio"> + <div class="radioButton"> + <input type="radio" id="decorativeButton" name="altTextOption" aria-describedby="decorativeLabel"> + <label for="decorativeButton" data-l10n-id="pdfjs-editor-alt-text-mark-decorative-label">Mark as decorative</label> + </div> + <div class="radioLabel"> + <span id="decorativeLabel" data-l10n-id="pdfjs-editor-alt-text-mark-decorative-description"> + This is used for ornamental images, like borders or watermarks. + </span> + </div> + </div> + </div> + <div id="buttons"> + <button id="altTextCancel" tabindex="0"><span data-l10n-id="pdfjs-editor-alt-text-cancel-button">Cancel</span></button> + <button id="altTextSave" tabindex="0"><span data-l10n-id="pdfjs-editor-alt-text-save-button">Save</span></button> + </div> + </div> + </dialog> + </div> <!-- dialogContainer --> + + </div> <!-- outerContainer --> + <div id="printContainer"></div> + </body> +</html> diff --git a/toolkit/components/pdfjs/content/web/viewer.mjs b/toolkit/components/pdfjs/content/web/viewer.mjs new file mode 100644 index 0000000000..a047a9f7c1 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer.mjs @@ -0,0 +1,12740 @@ +/** + * @licstart The following is the entire license notice for the + * JavaScript code in this page + * + * Copyright 2023 Mozilla Foundation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + * @licend The above is the entire license notice for the + * JavaScript code in this page + */ + +/******/ // The require scope +/******/ var __webpack_require__ = {}; +/******/ +/************************************************************************/ +/******/ /* webpack/runtime/define property getters */ +/******/ (() => { +/******/ // define getter functions for harmony exports +/******/ __webpack_require__.d = (exports, definition) => { +/******/ for(var key in definition) { +/******/ if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) { +/******/ Object.defineProperty(exports, key, { enumerable: true, get: definition[key] }); +/******/ } +/******/ } +/******/ }; +/******/ })(); +/******/ +/******/ /* webpack/runtime/hasOwnProperty shorthand */ +/******/ (() => { +/******/ __webpack_require__.o = (obj, prop) => (Object.prototype.hasOwnProperty.call(obj, prop)) +/******/ })(); +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; + +// EXPORTS +__webpack_require__.d(__webpack_exports__, { + PDFViewerApplication: () => (/* reexport */ PDFViewerApplication), + PDFViewerApplicationConstants: () => (/* binding */ AppConstants), + PDFViewerApplicationOptions: () => (/* reexport */ AppOptions) +}); + +;// CONCATENATED MODULE: ./web/ui_utils.js +const DEFAULT_SCALE_VALUE = "auto"; +const DEFAULT_SCALE = 1.0; +const DEFAULT_SCALE_DELTA = 1.1; +const MIN_SCALE = 0.1; +const MAX_SCALE = 10.0; +const UNKNOWN_SCALE = 0; +const MAX_AUTO_SCALE = 1.25; +const SCROLLBAR_PADDING = 40; +const VERTICAL_PADDING = 5; +const RenderingStates = { + INITIAL: 0, + RUNNING: 1, + PAUSED: 2, + FINISHED: 3 +}; +const PresentationModeState = { + UNKNOWN: 0, + NORMAL: 1, + CHANGING: 2, + FULLSCREEN: 3 +}; +const SidebarView = { + UNKNOWN: -1, + NONE: 0, + THUMBS: 1, + OUTLINE: 2, + ATTACHMENTS: 3, + LAYERS: 4 +}; +const TextLayerMode = { + DISABLE: 0, + ENABLE: 1, + ENABLE_PERMISSIONS: 2 +}; +const ScrollMode = { + UNKNOWN: -1, + VERTICAL: 0, + HORIZONTAL: 1, + WRAPPED: 2, + PAGE: 3 +}; +const SpreadMode = { + UNKNOWN: -1, + NONE: 0, + ODD: 1, + EVEN: 2 +}; +const CursorTool = { + SELECT: 0, + HAND: 1, + ZOOM: 2 +}; +const AutoPrintRegExp = /\bprint\s*\(/; +class OutputScale { + constructor() { + const pixelRatio = window.devicePixelRatio || 1; + this.sx = pixelRatio; + this.sy = pixelRatio; + } + get scaled() { + return this.sx !== 1 || this.sy !== 1; + } +} +function scrollIntoView(element, spot, scrollMatches = false) { + let parent = element.offsetParent; + if (!parent) { + console.error("offsetParent is not set -- cannot scroll"); + return; + } + let offsetY = element.offsetTop + element.clientTop; + let offsetX = element.offsetLeft + element.clientLeft; + while (parent.clientHeight === parent.scrollHeight && parent.clientWidth === parent.scrollWidth || scrollMatches && (parent.classList.contains("markedContent") || getComputedStyle(parent).overflow === "hidden")) { + offsetY += parent.offsetTop; + offsetX += parent.offsetLeft; + parent = parent.offsetParent; + if (!parent) { + return; + } + } + if (spot) { + if (spot.top !== undefined) { + offsetY += spot.top; + } + if (spot.left !== undefined) { + offsetX += spot.left; + parent.scrollLeft = offsetX; + } + } + parent.scrollTop = offsetY; +} +function watchScroll(viewAreaElement, callback) { + const debounceScroll = function (evt) { + if (rAF) { + return; + } + rAF = window.requestAnimationFrame(function viewAreaElementScrolled() { + rAF = null; + const currentX = viewAreaElement.scrollLeft; + const lastX = state.lastX; + if (currentX !== lastX) { + state.right = currentX > lastX; + } + state.lastX = currentX; + const currentY = viewAreaElement.scrollTop; + const lastY = state.lastY; + if (currentY !== lastY) { + state.down = currentY > lastY; + } + state.lastY = currentY; + callback(state); + }); + }; + const state = { + right: true, + down: true, + lastX: viewAreaElement.scrollLeft, + lastY: viewAreaElement.scrollTop, + _eventHandler: debounceScroll + }; + let rAF = null; + viewAreaElement.addEventListener("scroll", debounceScroll, true); + return state; +} +function parseQueryString(query) { + const params = new Map(); + for (const [key, value] of new URLSearchParams(query)) { + params.set(key.toLowerCase(), value); + } + return params; +} +const InvisibleCharsRegExp = /[\x00-\x1F]/g; +function removeNullCharacters(str, replaceInvisible = false) { + if (!InvisibleCharsRegExp.test(str)) { + return str; + } + if (replaceInvisible) { + return str.replaceAll(InvisibleCharsRegExp, m => m === "\x00" ? "" : " "); + } + return str.replaceAll("\x00", ""); +} +function binarySearchFirstItem(items, condition, start = 0) { + let minIndex = start; + let maxIndex = items.length - 1; + if (maxIndex < 0 || !condition(items[maxIndex])) { + return items.length; + } + if (condition(items[minIndex])) { + return minIndex; + } + while (minIndex < maxIndex) { + const currentIndex = minIndex + maxIndex >> 1; + const currentItem = items[currentIndex]; + if (condition(currentItem)) { + maxIndex = currentIndex; + } else { + minIndex = currentIndex + 1; + } + } + return minIndex; +} +function approximateFraction(x) { + if (Math.floor(x) === x) { + return [x, 1]; + } + const xinv = 1 / x; + const limit = 8; + if (xinv > limit) { + return [1, limit]; + } else if (Math.floor(xinv) === xinv) { + return [1, xinv]; + } + const x_ = x > 1 ? xinv : x; + let a = 0, + b = 1, + c = 1, + d = 1; + while (true) { + const p = a + c, + q = b + d; + if (q > limit) { + break; + } + if (x_ <= p / q) { + c = p; + d = q; + } else { + a = p; + b = q; + } + } + let result; + if (x_ - a / b < c / d - x_) { + result = x_ === x ? [a, b] : [b, a]; + } else { + result = x_ === x ? [c, d] : [d, c]; + } + return result; +} +function roundToDivide(x, div) { + const r = x % div; + return r === 0 ? x : Math.round(x - r + div); +} +function getPageSizeInches({ + view, + userUnit, + rotate +}) { + const [x1, y1, x2, y2] = view; + const changeOrientation = rotate % 180 !== 0; + const width = (x2 - x1) / 72 * userUnit; + const height = (y2 - y1) / 72 * userUnit; + return { + width: changeOrientation ? height : width, + height: changeOrientation ? width : height + }; +} +function backtrackBeforeAllVisibleElements(index, views, top) { + if (index < 2) { + return index; + } + let elt = views[index].div; + let pageTop = elt.offsetTop + elt.clientTop; + if (pageTop >= top) { + elt = views[index - 1].div; + pageTop = elt.offsetTop + elt.clientTop; + } + for (let i = index - 2; i >= 0; --i) { + elt = views[i].div; + if (elt.offsetTop + elt.clientTop + elt.clientHeight <= pageTop) { + break; + } + index = i; + } + return index; +} +function getVisibleElements({ + scrollEl, + views, + sortByVisibility = false, + horizontal = false, + rtl = false +}) { + const top = scrollEl.scrollTop, + bottom = top + scrollEl.clientHeight; + const left = scrollEl.scrollLeft, + right = left + scrollEl.clientWidth; + function isElementBottomAfterViewTop(view) { + const element = view.div; + const elementBottom = element.offsetTop + element.clientTop + element.clientHeight; + return elementBottom > top; + } + function isElementNextAfterViewHorizontally(view) { + const element = view.div; + const elementLeft = element.offsetLeft + element.clientLeft; + const elementRight = elementLeft + element.clientWidth; + return rtl ? elementLeft < right : elementRight > left; + } + const visible = [], + ids = new Set(), + numViews = views.length; + let firstVisibleElementInd = binarySearchFirstItem(views, horizontal ? isElementNextAfterViewHorizontally : isElementBottomAfterViewTop); + if (firstVisibleElementInd > 0 && firstVisibleElementInd < numViews && !horizontal) { + firstVisibleElementInd = backtrackBeforeAllVisibleElements(firstVisibleElementInd, views, top); + } + let lastEdge = horizontal ? right : -1; + for (let i = firstVisibleElementInd; i < numViews; i++) { + const view = views[i], + element = view.div; + const currentWidth = element.offsetLeft + element.clientLeft; + const currentHeight = element.offsetTop + element.clientTop; + const viewWidth = element.clientWidth, + viewHeight = element.clientHeight; + const viewRight = currentWidth + viewWidth; + const viewBottom = currentHeight + viewHeight; + if (lastEdge === -1) { + if (viewBottom >= bottom) { + lastEdge = viewBottom; + } + } else if ((horizontal ? currentWidth : currentHeight) > lastEdge) { + break; + } + if (viewBottom <= top || currentHeight >= bottom || viewRight <= left || currentWidth >= right) { + continue; + } + const hiddenHeight = Math.max(0, top - currentHeight) + Math.max(0, viewBottom - bottom); + const hiddenWidth = Math.max(0, left - currentWidth) + Math.max(0, viewRight - right); + const fractionHeight = (viewHeight - hiddenHeight) / viewHeight, + fractionWidth = (viewWidth - hiddenWidth) / viewWidth; + const percent = fractionHeight * fractionWidth * 100 | 0; + visible.push({ + id: view.id, + x: currentWidth, + y: currentHeight, + view, + percent, + widthPercent: fractionWidth * 100 | 0 + }); + ids.add(view.id); + } + const first = visible[0], + last = visible.at(-1); + if (sortByVisibility) { + visible.sort(function (a, b) { + const pc = a.percent - b.percent; + if (Math.abs(pc) > 0.001) { + return -pc; + } + return a.id - b.id; + }); + } + return { + first, + last, + views: visible, + ids + }; +} +function normalizeWheelEventDirection(evt) { + let delta = Math.hypot(evt.deltaX, evt.deltaY); + const angle = Math.atan2(evt.deltaY, evt.deltaX); + if (-0.25 * Math.PI < angle && angle < 0.75 * Math.PI) { + delta = -delta; + } + return delta; +} +function normalizeWheelEventDelta(evt) { + const deltaMode = evt.deltaMode; + let delta = normalizeWheelEventDirection(evt); + const MOUSE_PIXELS_PER_LINE = 30; + const MOUSE_LINES_PER_PAGE = 30; + if (deltaMode === WheelEvent.DOM_DELTA_PIXEL) { + delta /= MOUSE_PIXELS_PER_LINE * MOUSE_LINES_PER_PAGE; + } else if (deltaMode === WheelEvent.DOM_DELTA_LINE) { + delta /= MOUSE_LINES_PER_PAGE; + } + return delta; +} +function isValidRotation(angle) { + return Number.isInteger(angle) && angle % 90 === 0; +} +function isValidScrollMode(mode) { + return Number.isInteger(mode) && Object.values(ScrollMode).includes(mode) && mode !== ScrollMode.UNKNOWN; +} +function isValidSpreadMode(mode) { + return Number.isInteger(mode) && Object.values(SpreadMode).includes(mode) && mode !== SpreadMode.UNKNOWN; +} +function isPortraitOrientation(size) { + return size.width <= size.height; +} +const animationStarted = new Promise(function (resolve) { + window.requestAnimationFrame(resolve); +}); +const docStyle = document.documentElement.style; +function clamp(v, min, max) { + return Math.min(Math.max(v, min), max); +} +class ProgressBar { + #classList = null; + #disableAutoFetchTimeout = null; + #percent = 0; + #style = null; + #visible = true; + constructor(bar) { + this.#classList = bar.classList; + this.#style = bar.style; + } + get percent() { + return this.#percent; + } + set percent(val) { + this.#percent = clamp(val, 0, 100); + if (isNaN(val)) { + this.#classList.add("indeterminate"); + return; + } + this.#classList.remove("indeterminate"); + this.#style.setProperty("--progressBar-percent", `${this.#percent}%`); + } + setWidth(viewer) { + if (!viewer) { + return; + } + const container = viewer.parentNode; + const scrollbarWidth = container.offsetWidth - viewer.offsetWidth; + if (scrollbarWidth > 0) { + this.#style.setProperty("--progressBar-end-offset", `${scrollbarWidth}px`); + } + } + setDisableAutoFetch(delay = 5000) { + if (isNaN(this.#percent)) { + return; + } + if (this.#disableAutoFetchTimeout) { + clearTimeout(this.#disableAutoFetchTimeout); + } + this.show(); + this.#disableAutoFetchTimeout = setTimeout(() => { + this.#disableAutoFetchTimeout = null; + this.hide(); + }, delay); + } + hide() { + if (!this.#visible) { + return; + } + this.#visible = false; + this.#classList.add("hidden"); + } + show() { + if (this.#visible) { + return; + } + this.#visible = true; + this.#classList.remove("hidden"); + } +} +function getActiveOrFocusedElement() { + let curRoot = document; + let curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + while (curActiveOrFocused?.shadowRoot) { + curRoot = curActiveOrFocused.shadowRoot; + curActiveOrFocused = curRoot.activeElement || curRoot.querySelector(":focus"); + } + return curActiveOrFocused; +} +function apiPageLayoutToViewerModes(layout) { + let scrollMode = ScrollMode.VERTICAL, + spreadMode = SpreadMode.NONE; + switch (layout) { + case "SinglePage": + scrollMode = ScrollMode.PAGE; + break; + case "OneColumn": + break; + case "TwoPageLeft": + scrollMode = ScrollMode.PAGE; + case "TwoColumnLeft": + spreadMode = SpreadMode.ODD; + break; + case "TwoPageRight": + scrollMode = ScrollMode.PAGE; + case "TwoColumnRight": + spreadMode = SpreadMode.EVEN; + break; + } + return { + scrollMode, + spreadMode + }; +} +function apiPageModeToSidebarView(mode) { + switch (mode) { + case "UseNone": + return SidebarView.NONE; + case "UseThumbs": + return SidebarView.THUMBS; + case "UseOutlines": + return SidebarView.OUTLINE; + case "UseAttachments": + return SidebarView.ATTACHMENTS; + case "UseOC": + return SidebarView.LAYERS; + } + return SidebarView.NONE; +} +function toggleCheckedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-checked", toggle); + view?.classList.toggle("hidden", !toggle); +} +function toggleExpandedBtn(button, toggle, view = null) { + button.classList.toggle("toggled", toggle); + button.setAttribute("aria-expanded", toggle); + view?.classList.toggle("hidden", !toggle); +} + +;// CONCATENATED MODULE: ./web/app_options.js +const compatibilityParams = Object.create(null); +const OptionKind = { + BROWSER: 0x01, + VIEWER: 0x02, + API: 0x04, + WORKER: 0x08, + PREFERENCE: 0x80 +}; +const defaultOptions = { + canvasMaxAreaInBytes: { + value: -1, + kind: OptionKind.BROWSER + OptionKind.API + }, + isInAutomation: { + value: false, + kind: OptionKind.BROWSER + }, + supportsCaretBrowsingMode: { + value: false, + kind: OptionKind.BROWSER + }, + supportsDocumentFonts: { + value: true, + kind: OptionKind.BROWSER + }, + supportsIntegratedFind: { + value: false, + kind: OptionKind.BROWSER + }, + supportsMouseWheelZoomCtrlKey: { + value: true, + kind: OptionKind.BROWSER + }, + supportsMouseWheelZoomMetaKey: { + value: true, + kind: OptionKind.BROWSER + }, + supportsPinchToZoom: { + value: true, + kind: OptionKind.BROWSER + }, + annotationEditorMode: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + annotationMode: { + value: 2, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cursorToolOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + debuggerSrc: { + value: "./debugger.mjs", + kind: OptionKind.VIEWER + }, + defaultZoomDelay: { + value: 400, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + defaultZoomValue: { + value: "", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + disableHistory: { + value: false, + kind: OptionKind.VIEWER + }, + disablePageLabels: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableHighlightEditor: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableML: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePermissions: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enablePrintAutoRotate: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableScripting: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + enableStampEditor: { + value: true, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + externalLinkRel: { + value: "noopener noreferrer nofollow", + kind: OptionKind.VIEWER + }, + externalLinkTarget: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + highlightEditorColors: { + value: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + historyUpdateUrl: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + ignoreDestinationZoom: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + imageResourcesPath: { + value: "resource://pdf.js/web/images/", + kind: OptionKind.VIEWER + }, + maxCanvasPixels: { + value: 16777216, + kind: OptionKind.VIEWER + }, + forcePageColors: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsBackground: { + value: "Canvas", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pageColorsForeground: { + value: "CanvasText", + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + pdfBugEnabled: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + printResolution: { + value: 150, + kind: OptionKind.VIEWER + }, + sidebarViewOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + scrollModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + spreadModeOnLoad: { + value: -1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + textLayerMode: { + value: 1, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + viewOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cMapPacked: { + value: true, + kind: OptionKind.API + }, + cMapUrl: { + value: "resource://pdf.js/web/cmaps/", + kind: OptionKind.API + }, + disableAutoFetch: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableFontFace: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableRange: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + disableStream: { + value: false, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + docBaseUrl: { + value: "", + kind: OptionKind.API + }, + enableXfa: { + value: true, + kind: OptionKind.API + OptionKind.PREFERENCE + }, + fontExtraProperties: { + value: false, + kind: OptionKind.API + }, + isEvalSupported: { + value: true, + kind: OptionKind.API + }, + isOffscreenCanvasSupported: { + value: true, + kind: OptionKind.API + }, + maxImageSize: { + value: -1, + kind: OptionKind.API + }, + pdfBug: { + value: false, + kind: OptionKind.API + }, + standardFontDataUrl: { + value: "resource://pdf.js/web/standard_fonts/", + kind: OptionKind.API + }, + verbosity: { + value: 1, + kind: OptionKind.API + }, + workerPort: { + value: null, + kind: OptionKind.WORKER + }, + workerSrc: { + value: "resource://pdf.js/build/pdf.worker.mjs", + kind: OptionKind.WORKER + } +}; +const userOptions = Object.create(null); +class AppOptions { + constructor() { + throw new Error("Cannot initialize AppOptions."); + } + static get(name) { + const userOption = userOptions[name]; + if (userOption !== undefined) { + return userOption; + } + const defaultOption = defaultOptions[name]; + if (defaultOption !== undefined) { + return compatibilityParams[name] ?? defaultOption.value; + } + return undefined; + } + static getAll(kind = null) { + const options = Object.create(null); + for (const name in defaultOptions) { + const defaultOption = defaultOptions[name]; + if (kind) { + if (!(kind & defaultOption.kind)) { + continue; + } + } + const userOption = userOptions[name]; + options[name] = userOption !== undefined ? userOption : compatibilityParams[name] ?? defaultOption.value; + } + return options; + } + static set(name, value) { + userOptions[name] = value; + } + static setAll(options, init = false) { + for (const name in options) { + userOptions[name] = options[name]; + } + } + static remove(name) { + delete userOptions[name]; + } +} + +;// CONCATENATED MODULE: ./web/pdf_link_service.js + +const DEFAULT_LINK_REL = "noopener noreferrer nofollow"; +const LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 +}; +function addLinkAttributes(link, { + url, + target, + rel, + enabled = true +} = {}) { + if (!url || typeof url !== "string") { + throw new Error('A valid "url" parameter must provided.'); + } + if (enabled) { + link.href = link.title = url; + } else { + link.href = ""; + link.title = `Disabled: ${url}`; + link.onclick = () => false; + } + let targetStr = ""; + switch (target) { + case LinkTarget.NONE: + break; + case LinkTarget.SELF: + targetStr = "_self"; + break; + case LinkTarget.BLANK: + targetStr = "_blank"; + break; + case LinkTarget.PARENT: + targetStr = "_parent"; + break; + case LinkTarget.TOP: + targetStr = "_top"; + break; + } + link.target = targetStr; + link.rel = typeof rel === "string" ? rel : DEFAULT_LINK_REL; +} +class PDFLinkService { + #pagesRefCache = new Map(); + constructor({ + eventBus, + externalLinkTarget = null, + externalLinkRel = null, + ignoreDestinationZoom = false + } = {}) { + this.eventBus = eventBus; + this.externalLinkTarget = externalLinkTarget; + this.externalLinkRel = externalLinkRel; + this.externalLinkEnabled = true; + this._ignoreDestinationZoom = ignoreDestinationZoom; + this.baseUrl = null; + this.pdfDocument = null; + this.pdfViewer = null; + this.pdfHistory = null; + } + setDocument(pdfDocument, baseUrl = null) { + this.baseUrl = baseUrl; + this.pdfDocument = pdfDocument; + this.#pagesRefCache.clear(); + } + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + setHistory(pdfHistory) { + this.pdfHistory = pdfHistory; + } + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + } + get page() { + return this.pdfViewer.currentPageNumber; + } + set page(value) { + this.pdfViewer.currentPageNumber = value; + } + get rotation() { + return this.pdfViewer.pagesRotation; + } + set rotation(value) { + this.pdfViewer.pagesRotation = value; + } + get isInPresentationMode() { + return this.pdfViewer.isInPresentationMode; + } + #goToDestinationHelper(rawDest, namedDest = null, explicitDest) { + const destRef = explicitDest[0]; + let pageNumber; + if (typeof destRef === "object" && destRef !== null) { + pageNumber = this._cachedPageNumber(destRef); + if (!pageNumber) { + this.pdfDocument.getPageIndex(destRef).then(pageIndex => { + this.cachePageRef(pageIndex + 1, destRef); + this.#goToDestinationHelper(rawDest, namedDest, explicitDest); + }).catch(() => { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid page reference, for dest="${rawDest}".`); + }); + return; + } + } else if (Number.isInteger(destRef)) { + pageNumber = destRef + 1; + } else { + console.error(`PDFLinkService.#goToDestinationHelper: "${destRef}" is not ` + `a valid destination reference, for dest="${rawDest}".`); + return; + } + if (!pageNumber || pageNumber < 1 || pageNumber > this.pagesCount) { + console.error(`PDFLinkService.#goToDestinationHelper: "${pageNumber}" is not ` + `a valid page number, for dest="${rawDest}".`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.push({ + namedDest, + explicitDest, + pageNumber + }); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber, + destArray: explicitDest, + ignoreDestinationZoom: this._ignoreDestinationZoom + }); + } + async goToDestination(dest) { + if (!this.pdfDocument) { + return; + } + let namedDest, explicitDest; + if (typeof dest === "string") { + namedDest = dest; + explicitDest = await this.pdfDocument.getDestination(dest); + } else { + namedDest = null; + explicitDest = await dest; + } + if (!Array.isArray(explicitDest)) { + console.error(`PDFLinkService.goToDestination: "${explicitDest}" is not ` + `a valid destination array, for dest="${dest}".`); + return; + } + this.#goToDestinationHelper(dest, namedDest, explicitDest); + } + goToPage(val) { + if (!this.pdfDocument) { + return; + } + const pageNumber = typeof val === "string" && this.pdfViewer.pageLabelToPageNumber(val) || val | 0; + if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { + console.error(`PDFLinkService.goToPage: "${val}" is not a valid page.`); + return; + } + if (this.pdfHistory) { + this.pdfHistory.pushCurrentPosition(); + this.pdfHistory.pushPage(pageNumber); + } + this.pdfViewer.scrollPageIntoView({ + pageNumber + }); + } + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + target: newWindow ? LinkTarget.BLANK : this.externalLinkTarget, + rel: this.externalLinkRel, + enabled: this.externalLinkEnabled + }); + } + getDestinationHash(dest) { + if (typeof dest === "string") { + if (dest.length > 0) { + return this.getAnchorUrl("#" + escape(dest)); + } + } else if (Array.isArray(dest)) { + const str = JSON.stringify(dest); + if (str.length > 0) { + return this.getAnchorUrl("#" + escape(str)); + } + } + return this.getAnchorUrl(""); + } + getAnchorUrl(anchor) { + return this.baseUrl ? this.baseUrl + anchor : anchor; + } + setHash(hash) { + if (!this.pdfDocument) { + return; + } + let pageNumber, dest; + if (hash.includes("=")) { + const params = parseQueryString(hash); + if (params.has("search")) { + const query = params.get("search").replaceAll('"', ""), + phrase = params.get("phrase") === "true"; + this.eventBus.dispatch("findfromurlhash", { + source: this, + query: phrase ? query : query.match(/\S+/g) + }); + } + if (params.has("page")) { + pageNumber = params.get("page") | 0 || 1; + } + if (params.has("zoom")) { + const zoomArgs = params.get("zoom").split(","); + const zoomArg = zoomArgs[0]; + const zoomArgNumber = parseFloat(zoomArg); + if (!zoomArg.includes("Fit")) { + dest = [null, { + name: "XYZ" + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null, zoomArgs.length > 2 ? zoomArgs[2] | 0 : null, zoomArgNumber ? zoomArgNumber / 100 : zoomArg]; + } else if (zoomArg === "Fit" || zoomArg === "FitB") { + dest = [null, { + name: zoomArg + }]; + } else if (zoomArg === "FitH" || zoomArg === "FitBH" || zoomArg === "FitV" || zoomArg === "FitBV") { + dest = [null, { + name: zoomArg + }, zoomArgs.length > 1 ? zoomArgs[1] | 0 : null]; + } else if (zoomArg === "FitR") { + if (zoomArgs.length !== 5) { + console.error('PDFLinkService.setHash: Not enough parameters for "FitR".'); + } else { + dest = [null, { + name: zoomArg + }, zoomArgs[1] | 0, zoomArgs[2] | 0, zoomArgs[3] | 0, zoomArgs[4] | 0]; + } + } else { + console.error(`PDFLinkService.setHash: "${zoomArg}" is not a valid zoom value.`); + } + } + if (dest) { + this.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber || this.page, + destArray: dest, + allowNegativeOffset: true + }); + } else if (pageNumber) { + this.page = pageNumber; + } + if (params.has("pagemode")) { + this.eventBus.dispatch("pagemode", { + source: this, + mode: params.get("pagemode") + }); + } + if (params.has("nameddest")) { + this.goToDestination(params.get("nameddest")); + } + if (!params.has("filename") || !params.has("filedest")) { + return; + } + hash = params.get("filedest"); + } + dest = unescape(hash); + try { + dest = JSON.parse(dest); + if (!Array.isArray(dest)) { + dest = dest.toString(); + } + } catch {} + if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) { + this.goToDestination(dest); + return; + } + console.error(`PDFLinkService.setHash: "${unescape(hash)}" is not a valid destination.`); + } + executeNamedAction(action) { + switch (action) { + case "GoBack": + this.pdfHistory?.back(); + break; + case "GoForward": + this.pdfHistory?.forward(); + break; + case "NextPage": + this.pdfViewer.nextPage(); + break; + case "PrevPage": + this.pdfViewer.previousPage(); + break; + case "LastPage": + this.page = this.pagesCount; + break; + case "FirstPage": + this.page = 1; + break; + default: + break; + } + this.eventBus.dispatch("namedaction", { + source: this, + action + }); + } + async executeSetOCGState(action) { + const pdfDocument = this.pdfDocument; + const optionalContentConfig = await this.pdfViewer.optionalContentConfigPromise; + if (pdfDocument !== this.pdfDocument) { + return; + } + let operator; + for (const elem of action.state) { + switch (elem) { + case "ON": + case "OFF": + case "Toggle": + operator = elem; + continue; + } + switch (operator) { + case "ON": + optionalContentConfig.setVisibility(elem, true); + break; + case "OFF": + optionalContentConfig.setVisibility(elem, false); + break; + case "Toggle": + const group = optionalContentConfig.getGroup(elem); + if (group) { + optionalContentConfig.setVisibility(elem, !group.visible); + } + break; + } + } + this.pdfViewer.optionalContentConfigPromise = Promise.resolve(optionalContentConfig); + } + cachePageRef(pageNum, pageRef) { + if (!pageRef) { + return; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + this.#pagesRefCache.set(refStr, pageNum); + } + _cachedPageNumber(pageRef) { + if (!pageRef) { + return null; + } + const refStr = pageRef.gen === 0 ? `${pageRef.num}R` : `${pageRef.num}R${pageRef.gen}`; + return this.#pagesRefCache.get(refStr) || null; + } + static #isValidExplicitDestination(dest) { + if (!Array.isArray(dest)) { + return false; + } + const destLength = dest.length; + if (destLength < 2) { + return false; + } + const page = dest[0]; + if (!(typeof page === "object" && Number.isInteger(page.num) && Number.isInteger(page.gen)) && !(Number.isInteger(page) && page >= 0)) { + return false; + } + const zoom = dest[1]; + if (!(typeof zoom === "object" && typeof zoom.name === "string")) { + return false; + } + let allowNull = true; + switch (zoom.name) { + case "XYZ": + if (destLength !== 5) { + return false; + } + break; + case "Fit": + case "FitB": + return destLength === 2; + case "FitH": + case "FitBH": + case "FitV": + case "FitBV": + if (destLength !== 3) { + return false; + } + break; + case "FitR": + if (destLength !== 6) { + return false; + } + allowNull = false; + break; + default: + return false; + } + for (let i = 2; i < destLength; i++) { + const param = dest[i]; + if (!(typeof param === "number" || allowNull && param === null)) { + return false; + } + } + return true; + } +} +class SimpleLinkService { + constructor() { + this.externalLinkEnabled = true; + } + get pagesCount() { + return 0; + } + get page() { + return 0; + } + set page(value) {} + get rotation() { + return 0; + } + set rotation(value) {} + get isInPresentationMode() { + return false; + } + async goToDestination(dest) {} + goToPage(val) {} + addLinkAttributes(link, url, newWindow = false) { + addLinkAttributes(link, { + url, + enabled: this.externalLinkEnabled + }); + } + getDestinationHash(dest) { + return "#"; + } + getAnchorUrl(hash) { + return "#"; + } + setHash(hash) {} + executeNamedAction(action) {} + executeSetOCGState(action) {} + cachePageRef(pageNum, pageRef) {} +} + +;// CONCATENATED MODULE: ./web/pdfjs.js +const { + AbortException, + AnnotationEditorLayer, + AnnotationEditorParamsType, + AnnotationEditorType, + AnnotationEditorUIManager, + AnnotationLayer, + AnnotationMode, + build, + CMapCompressionType, + ColorPicker, + createValidAbsoluteUrl, + DOMSVGFactory, + DrawLayer, + FeatureTest, + fetchData, + getDocument, + getFilenameFromUrl, + getPdfFilenameFromUrl, + getXfaPageViewport, + GlobalWorkerOptions, + ImageKind, + InvalidPDFException, + isDataScheme, + isPdfFile, + MissingPDFException, + noContextMenu, + normalizeUnicode, + OPS, + Outliner, + PasswordResponses, + PDFDataRangeTransport, + PDFDateString, + PDFWorker, + PermissionFlag, + PixelsPerInch, + PromiseCapability, + RenderingCancelledException, + renderTextLayer, + setLayerDimensions, + shadow, + UnexpectedResponseException, + updateTextLayer, + Util, + VerbosityLevel, + version, + XfaLayer +} = globalThis.pdfjsLib; + +;// CONCATENATED MODULE: ./web/event_utils.js +const WaitOnType = { + EVENT: "event", + TIMEOUT: "timeout" +}; +function waitOnEventOrTimeout({ + target, + name, + delay = 0 +}) { + return new Promise(function (resolve, reject) { + if (typeof target !== "object" || !(name && typeof name === "string") || !(Number.isInteger(delay) && delay >= 0)) { + throw new Error("waitOnEventOrTimeout - invalid parameters."); + } + function handler(type) { + if (target instanceof EventBus) { + target._off(name, eventHandler); + } else { + target.removeEventListener(name, eventHandler); + } + if (timeout) { + clearTimeout(timeout); + } + resolve(type); + } + const eventHandler = handler.bind(null, WaitOnType.EVENT); + if (target instanceof EventBus) { + target._on(name, eventHandler); + } else { + target.addEventListener(name, eventHandler); + } + const timeoutHandler = handler.bind(null, WaitOnType.TIMEOUT); + const timeout = setTimeout(timeoutHandler, delay); + }); +} +class EventBus { + #listeners = Object.create(null); + on(eventName, listener, options = null) { + this._on(eventName, listener, { + external: true, + once: options?.once + }); + } + off(eventName, listener, options = null) { + this._off(eventName, listener, { + external: true, + once: options?.once + }); + } + dispatch(eventName, data) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners || eventListeners.length === 0) { + return; + } + let externalListeners; + for (const { + listener, + external, + once + } of eventListeners.slice(0)) { + if (once) { + this._off(eventName, listener); + } + if (external) { + (externalListeners ||= []).push(listener); + continue; + } + listener(data); + } + if (externalListeners) { + for (const listener of externalListeners) { + listener(data); + } + externalListeners = null; + } + } + _on(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName] ||= []; + eventListeners.push({ + listener, + external: options?.external === true, + once: options?.once === true + }); + } + _off(eventName, listener, options = null) { + const eventListeners = this.#listeners[eventName]; + if (!eventListeners) { + return; + } + for (let i = 0, ii = eventListeners.length; i < ii; i++) { + if (eventListeners[i].listener === listener) { + eventListeners.splice(i, 1); + return; + } + } + } +} +class AutomationEventBus extends EventBus { + dispatch(eventName, data) { + super.dispatch(eventName, data); + const detail = Object.create(null); + if (data) { + for (const key in data) { + const value = data[key]; + if (key === "source") { + if (value === window || value === document) { + return; + } + continue; + } + detail[key] = value; + } + } + const event = new CustomEvent(eventName, { + bubbles: true, + cancelable: true, + detail + }); + document.dispatchEvent(event); + } +} + +;// CONCATENATED MODULE: ./web/external_services.js +class BaseExternalServices { + constructor() { + if (this.constructor === BaseExternalServices) { + throw new Error("Cannot initialize BaseExternalServices."); + } + } + updateFindControlState(data) {} + updateFindMatchesCount(data) {} + initPassiveLoading(callbacks) {} + reportTelemetry(data) {} + async createL10n() { + throw new Error("Not implemented: createL10n"); + } + createScripting() { + throw new Error("Not implemented: createScripting"); + } + updateEditorStates(data) { + throw new Error("Not implemented: updateEditorStates"); + } + async getNimbusExperimentData() {} +} + +;// CONCATENATED MODULE: ./web/preferences.js + +class BasePreferences { + #defaults = Object.freeze({ + annotationEditorMode: 0, + annotationMode: 2, + cursorToolOnLoad: 0, + defaultZoomDelay: 400, + defaultZoomValue: "", + disablePageLabels: false, + enableHighlightEditor: false, + enableML: false, + enablePermissions: false, + enablePrintAutoRotate: true, + enableScripting: true, + enableStampEditor: true, + externalLinkTarget: 0, + highlightEditorColors: "yellow=#FFFF98,green=#53FFBC,blue=#80EBFF,pink=#FFCBE6,red=#FF4F5F", + historyUpdateUrl: false, + ignoreDestinationZoom: false, + forcePageColors: false, + pageColorsBackground: "Canvas", + pageColorsForeground: "CanvasText", + pdfBugEnabled: false, + sidebarViewOnLoad: -1, + scrollModeOnLoad: -1, + spreadModeOnLoad: -1, + textLayerMode: 1, + viewOnLoad: 0, + disableAutoFetch: false, + disableFontFace: false, + disableRange: false, + disableStream: false, + enableXfa: true + }); + #prefs = Object.create(null); + #initializedPromise = null; + constructor() { + if (this.constructor === BasePreferences) { + throw new Error("Cannot initialize BasePreferences."); + } + this.#initializedPromise = this._readFromStorage(this.#defaults).then(({ + browserPrefs, + prefs + }) => { + const BROWSER_PREFS = { + canvasMaxAreaInBytes: -1, + isInAutomation: false, + supportsCaretBrowsingMode: false, + supportsDocumentFonts: true, + supportsIntegratedFind: false, + supportsMouseWheelZoomCtrlKey: true, + supportsMouseWheelZoomMetaKey: true, + supportsPinchToZoom: true + }; + const options = Object.create(null); + for (const [name, defaultVal] of Object.entries(BROWSER_PREFS)) { + const prefVal = browserPrefs?.[name]; + options[name] = typeof prefVal === typeof defaultVal ? prefVal : defaultVal; + } + for (const [name, defaultVal] of Object.entries(this.#defaults)) { + const prefVal = prefs?.[name]; + options[name] = this.#prefs[name] = typeof prefVal === typeof defaultVal ? prefVal : defaultVal; + } + AppOptions.setAll(options, true); + }); + } + async _writeToStorage(prefObj) { + throw new Error("Not implemented: _writeToStorage"); + } + async _readFromStorage(prefObj) { + throw new Error("Not implemented: _readFromStorage"); + } + async reset() { + throw new Error("Please use `about:config` to change preferences."); + } + async set(name, value) { + throw new Error("Please use `about:config` to change preferences."); + } + async get(name) { + await this.#initializedPromise; + const defaultValue = this.#defaults[name]; + if (defaultValue === undefined) { + throw new Error(`Get preference: "${name}" is undefined.`); + } + return this.#prefs[name] ?? defaultValue; + } + get initializedPromise() { + return this.#initializedPromise; + } +} + +;// CONCATENATED MODULE: ./web/l10n.js +class L10n { + #dir; + #lang; + #l10n; + constructor({ + lang, + isRTL + }, l10n = null) { + this.#lang = L10n.#fixupLangCode(lang); + this.#l10n = l10n; + this.#dir = isRTL ?? L10n.#isRTL(this.#lang) ? "rtl" : "ltr"; + } + _setL10n(l10n) { + this.#l10n = l10n; + } + getLanguage() { + return this.#lang; + } + getDirection() { + return this.#dir; + } + async get(ids, args = null, fallback) { + if (Array.isArray(ids)) { + ids = ids.map(id => ({ + id + })); + const messages = await this.#l10n.formatMessages(ids); + return messages.map(message => message.value); + } + const messages = await this.#l10n.formatMessages([{ + id: ids, + args + }]); + return messages?.[0].value || fallback; + } + async translate(element) { + try { + this.#l10n.connectRoot(element); + await this.#l10n.translateRoots(); + } catch {} + } + pause() { + this.#l10n.pauseObserving(); + } + resume() { + this.#l10n.resumeObserving(); + } + static #fixupLangCode(langCode) { + langCode = langCode?.toLowerCase() || "en-us"; + const PARTIAL_LANG_CODES = { + en: "en-us", + es: "es-es", + fy: "fy-nl", + ga: "ga-ie", + gu: "gu-in", + hi: "hi-in", + hy: "hy-am", + nb: "nb-no", + ne: "ne-np", + nn: "nn-no", + pa: "pa-in", + pt: "pt-pt", + sv: "sv-se", + zh: "zh-cn" + }; + return PARTIAL_LANG_CODES[langCode] || langCode; + } + static #isRTL(lang) { + const shortCode = lang.split("-", 1)[0]; + return ["ar", "he", "fa", "ps", "ur"].includes(shortCode); + } +} +const GenericL10n = null; + +;// CONCATENATED MODULE: ./web/firefoxcom.js + + + + + +let viewerApp = { + initialized: false +}; +function initCom(app) { + viewerApp = app; +} +class FirefoxCom { + static requestAsync(action, data) { + return new Promise(resolve => { + this.request(action, data, resolve); + }); + } + static request(action, data, callback = null) { + const request = document.createTextNode(""); + if (callback) { + request.addEventListener("pdf.js.response", event => { + const response = event.detail.response; + event.target.remove(); + callback(response); + }, { + once: true + }); + } + document.documentElement.append(request); + const sender = new CustomEvent("pdf.js.message", { + bubbles: true, + cancelable: false, + detail: { + action, + data, + responseExpected: !!callback + } + }); + request.dispatchEvent(sender); + } +} +class DownloadManager { + #openBlobUrls = new WeakMap(); + downloadUrl(url, filename, options = {}) { + FirefoxCom.request("download", { + originalUrl: url, + filename, + options + }); + } + downloadData(data, filename, contentType) { + const blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + FirefoxCom.request("download", { + blobUrl, + originalUrl: blobUrl, + filename, + isAttachment: true + }); + } + openOrDownloadData(data, filename, dest = null) { + const isPdfData = isPdfFile(filename); + const contentType = isPdfData ? "application/pdf" : ""; + if (isPdfData) { + let blobUrl = this.#openBlobUrls.get(data); + if (!blobUrl) { + blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + this.#openBlobUrls.set(data, blobUrl); + } + let viewerUrl = blobUrl + "#filename=" + encodeURIComponent(filename); + if (dest) { + viewerUrl += `&filedest=${escape(dest)}`; + } + try { + window.open(viewerUrl); + return true; + } catch (ex) { + console.error(`openOrDownloadData: ${ex}`); + URL.revokeObjectURL(blobUrl); + this.#openBlobUrls.delete(data); + } + } + this.downloadData(data, filename, contentType); + return false; + } + download(blob, url, filename, options = {}) { + const blobUrl = URL.createObjectURL(blob); + FirefoxCom.request("download", { + blobUrl, + originalUrl: url, + filename, + options + }); + } +} +class Preferences extends BasePreferences { + async _readFromStorage(prefObj) { + return FirefoxCom.requestAsync("getPreferences", prefObj); + } +} +(function listenFindEvents() { + const events = ["find", "findagain", "findhighlightallchange", "findcasesensitivitychange", "findentirewordchange", "findbarclose", "finddiacriticmatchingchange"]; + const findLen = "find".length; + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + if (type === "findbarclose") { + viewerApp.eventBus.dispatch(type, { + source: window + }); + return; + } + viewerApp.eventBus.dispatch("find", { + source: window, + type: type.substring(findLen), + query: detail.query, + caseSensitive: !!detail.caseSensitive, + entireWord: !!detail.entireWord, + highlightAll: !!detail.highlightAll, + findPrevious: !!detail.findPrevious, + matchDiacritics: !!detail.matchDiacritics + }); + }; + for (const event of events) { + window.addEventListener(event, handleEvent); + } +})(); +(function listenZoomEvents() { + const events = ["zoomin", "zoomout", "zoomreset"]; + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + if (type === "zoomreset" && viewerApp.pdfViewer.currentScaleValue === DEFAULT_SCALE_VALUE) { + return; + } + viewerApp.eventBus.dispatch(type, { + source: window + }); + }; + for (const event of events) { + window.addEventListener(event, handleEvent); + } +})(); +(function listenSaveEvent() { + const handleEvent = function ({ + type, + detail + }) { + if (!viewerApp.initialized) { + return; + } + viewerApp.eventBus.dispatch("download", { + source: window + }); + }; + window.addEventListener("save", handleEvent); +})(); +(function listenEditingEvent() { + const handleEvent = function ({ + detail + }) { + if (!viewerApp.initialized) { + return; + } + viewerApp.eventBus.dispatch("editingaction", { + source: window, + name: detail.name + }); + }; + window.addEventListener("editingaction", handleEvent); +})(); +class FirefoxComDataRangeTransport extends PDFDataRangeTransport { + requestDataRange(begin, end) { + FirefoxCom.request("requestDataRange", { + begin, + end + }); + } + abort() { + FirefoxCom.request("abortLoading", null); + } +} +class FirefoxScripting { + static async createSandbox(data) { + const success = await FirefoxCom.requestAsync("createSandbox", data); + if (!success) { + throw new Error("Cannot create sandbox."); + } + } + static async dispatchEventInSandbox(event) { + FirefoxCom.request("dispatchEventInSandbox", event); + } + static async destroySandbox() { + FirefoxCom.request("destroySandbox", null); + } +} +class MLManager { + guess(data) { + return FirefoxCom.requestAsync("mlGuess", data); + } +} +class ExternalServices extends BaseExternalServices { + updateFindControlState(data) { + FirefoxCom.request("updateFindControlState", data); + } + updateFindMatchesCount(data) { + FirefoxCom.request("updateFindMatchesCount", data); + } + initPassiveLoading(callbacks) { + let pdfDataRangeTransport; + window.addEventListener("message", function windowMessage(e) { + if (e.source !== null) { + console.warn("Rejected untrusted message from " + e.origin); + return; + } + const args = e.data; + if (typeof args !== "object" || !("pdfjsLoadAction" in args)) { + return; + } + switch (args.pdfjsLoadAction) { + case "supportsRangedLoading": + if (args.done && !args.data) { + callbacks.onError(); + break; + } + pdfDataRangeTransport = new FirefoxComDataRangeTransport(args.length, args.data, args.done, args.filename); + callbacks.onOpenWithTransport(pdfDataRangeTransport); + break; + case "range": + pdfDataRangeTransport.onDataRange(args.begin, args.chunk); + break; + case "rangeProgress": + pdfDataRangeTransport.onDataProgress(args.loaded); + break; + case "progressiveRead": + pdfDataRangeTransport.onDataProgressiveRead(args.chunk); + pdfDataRangeTransport.onDataProgress(args.loaded, args.total); + break; + case "progressiveDone": + pdfDataRangeTransport?.onDataProgressiveDone(); + break; + case "progress": + callbacks.onProgress(args.loaded, args.total); + break; + case "complete": + if (!args.data) { + callbacks.onError(args.errorCode); + break; + } + callbacks.onOpenWithData(args.data, args.filename); + break; + } + }); + FirefoxCom.request("initPassiveLoading", null); + } + reportTelemetry(data) { + FirefoxCom.request("reportTelemetry", JSON.stringify(data)); + } + updateEditorStates(data) { + FirefoxCom.request("updateEditorStates", data); + } + async createL10n() { + const [localeProperties] = await Promise.all([FirefoxCom.requestAsync("getLocaleProperties", null), document.l10n.ready]); + return new L10n(localeProperties, document.l10n); + } + createScripting() { + return FirefoxScripting; + } + async getNimbusExperimentData() { + return null; + } +} + +;// CONCATENATED MODULE: ./web/alt_text_manager.js + +class AltTextManager { + #boundUpdateUIState = this.#updateUIState.bind(this); + #boundSetPosition = this.#setPosition.bind(this); + #boundOnClick = this.#onClick.bind(this); + #currentEditor = null; + #cancelButton; + #dialog; + #eventBus; + #hasUsedPointer = false; + #optionDescription; + #optionDecorative; + #overlayManager; + #saveButton; + #textarea; + #uiManager; + #previousAltText = null; + #svgElement = null; + #rectElement = null; + #container; + #telemetryData = null; + constructor({ + dialog, + optionDescription, + optionDecorative, + textarea, + cancelButton, + saveButton + }, container, overlayManager, eventBus) { + this.#dialog = dialog; + this.#optionDescription = optionDescription; + this.#optionDecorative = optionDecorative; + this.#textarea = textarea; + this.#cancelButton = cancelButton; + this.#saveButton = saveButton; + this.#overlayManager = overlayManager; + this.#eventBus = eventBus; + this.#container = container; + dialog.addEventListener("close", this.#close.bind(this)); + dialog.addEventListener("contextmenu", event => { + if (event.target !== this.#textarea) { + event.preventDefault(); + } + }); + cancelButton.addEventListener("click", this.#finish.bind(this)); + saveButton.addEventListener("click", this.#save.bind(this)); + optionDescription.addEventListener("change", this.#boundUpdateUIState); + optionDecorative.addEventListener("change", this.#boundUpdateUIState); + this.#overlayManager.register(dialog); + } + get _elements() { + return shadow(this, "_elements", [this.#optionDescription, this.#optionDecorative, this.#textarea, this.#saveButton, this.#cancelButton]); + } + #createSVGElement() { + if (this.#svgElement) { + return; + } + const svgFactory = new DOMSVGFactory(); + const svg = this.#svgElement = svgFactory.createElement("svg"); + svg.setAttribute("width", "0"); + svg.setAttribute("height", "0"); + const defs = svgFactory.createElement("defs"); + svg.append(defs); + const mask = svgFactory.createElement("mask"); + defs.append(mask); + mask.setAttribute("id", "alttext-manager-mask"); + mask.setAttribute("maskContentUnits", "objectBoundingBox"); + let rect = svgFactory.createElement("rect"); + mask.append(rect); + rect.setAttribute("fill", "white"); + rect.setAttribute("width", "1"); + rect.setAttribute("height", "1"); + rect.setAttribute("x", "0"); + rect.setAttribute("y", "0"); + rect = this.#rectElement = svgFactory.createElement("rect"); + mask.append(rect); + rect.setAttribute("fill", "black"); + this.#dialog.append(svg); + } + async editAltText(uiManager, editor) { + if (this.#currentEditor || !editor) { + return; + } + this.#createSVGElement(); + this.#hasUsedPointer = false; + for (const element of this._elements) { + element.addEventListener("click", this.#boundOnClick); + } + const { + altText, + decorative + } = editor.altTextData; + if (decorative === true) { + this.#optionDecorative.checked = true; + this.#optionDescription.checked = false; + } else { + this.#optionDecorative.checked = false; + this.#optionDescription.checked = true; + } + this.#previousAltText = this.#textarea.value = altText?.trim() || ""; + this.#updateUIState(); + this.#currentEditor = editor; + this.#uiManager = uiManager; + this.#uiManager.removeEditListeners(); + this.#eventBus._on("resize", this.#boundSetPosition); + try { + await this.#overlayManager.open(this.#dialog); + this.#setPosition(); + } catch (ex) { + this.#close(); + throw ex; + } + } + #setPosition() { + if (!this.#currentEditor) { + return; + } + const dialog = this.#dialog; + const { + style + } = dialog; + const { + x: containerX, + y: containerY, + width: containerW, + height: containerH + } = this.#container.getBoundingClientRect(); + const { + innerWidth: windowW, + innerHeight: windowH + } = window; + const { + width: dialogW, + height: dialogH + } = dialog.getBoundingClientRect(); + const { + x, + y, + width, + height + } = this.#currentEditor.getClientDimensions(); + const MARGIN = 10; + const isLTR = this.#uiManager.direction === "ltr"; + const xs = Math.max(x, containerX); + const xe = Math.min(x + width, containerX + containerW); + const ys = Math.max(y, containerY); + const ye = Math.min(y + height, containerY + containerH); + this.#rectElement.setAttribute("width", `${(xe - xs) / windowW}`); + this.#rectElement.setAttribute("height", `${(ye - ys) / windowH}`); + this.#rectElement.setAttribute("x", `${xs / windowW}`); + this.#rectElement.setAttribute("y", `${ys / windowH}`); + let left = null; + let top = Math.max(y, 0); + top += Math.min(windowH - (top + dialogH), 0); + if (isLTR) { + if (x + width + MARGIN + dialogW < windowW) { + left = x + width + MARGIN; + } else if (x > dialogW + MARGIN) { + left = x - dialogW - MARGIN; + } + } else if (x > dialogW + MARGIN) { + left = x - dialogW - MARGIN; + } else if (x + width + MARGIN + dialogW < windowW) { + left = x + width + MARGIN; + } + if (left === null) { + top = null; + left = Math.max(x, 0); + left += Math.min(windowW - (left + dialogW), 0); + if (y > dialogH + MARGIN) { + top = y - dialogH - MARGIN; + } else if (y + height + MARGIN + dialogH < windowH) { + top = y + height + MARGIN; + } + } + if (top !== null) { + dialog.classList.add("positioned"); + if (isLTR) { + style.left = `${left}px`; + } else { + style.right = `${windowW - left - dialogW}px`; + } + style.top = `${top}px`; + } else { + dialog.classList.remove("positioned"); + style.left = ""; + style.top = ""; + } + } + #finish() { + if (this.#overlayManager.active === this.#dialog) { + this.#overlayManager.close(this.#dialog); + } + } + #close() { + this.#currentEditor._reportTelemetry(this.#telemetryData || { + action: "alt_text_cancel", + alt_text_keyboard: !this.#hasUsedPointer + }); + this.#telemetryData = null; + this.#removeOnClickListeners(); + this.#uiManager?.addEditListeners(); + this.#eventBus._off("resize", this.#boundSetPosition); + this.#currentEditor.altTextFinish(); + this.#currentEditor = null; + this.#uiManager = null; + } + #updateUIState() { + this.#textarea.disabled = this.#optionDecorative.checked; + } + #save() { + const altText = this.#textarea.value.trim(); + const decorative = this.#optionDecorative.checked; + this.#currentEditor.altTextData = { + altText, + decorative + }; + this.#telemetryData = { + action: "alt_text_save", + alt_text_description: !!altText, + alt_text_edit: !!this.#previousAltText && this.#previousAltText !== altText, + alt_text_decorative: decorative, + alt_text_keyboard: !this.#hasUsedPointer + }; + this.#finish(); + } + #onClick(evt) { + if (evt.detail === 0) { + return; + } + this.#hasUsedPointer = true; + this.#removeOnClickListeners(); + } + #removeOnClickListeners() { + for (const element of this._elements) { + element.removeEventListener("click", this.#boundOnClick); + } + } + destroy() { + this.#uiManager = null; + this.#finish(); + this.#svgElement?.remove(); + this.#svgElement = this.#rectElement = null; + } +} + +;// CONCATENATED MODULE: ./web/annotation_editor_params.js + +class AnnotationEditorParams { + constructor(options, eventBus) { + this.eventBus = eventBus; + this.#bindListeners(options); + } + #bindListeners({ + editorFreeTextFontSize, + editorFreeTextColor, + editorInkColor, + editorInkThickness, + editorInkOpacity, + editorStampAddImage, + editorFreeHighlightThickness + }) { + const dispatchEvent = (typeStr, value) => { + this.eventBus.dispatch("switchannotationeditorparams", { + source: this, + type: AnnotationEditorParamsType[typeStr], + value + }); + }; + editorFreeTextFontSize.addEventListener("input", function () { + dispatchEvent("FREETEXT_SIZE", this.valueAsNumber); + }); + editorFreeTextColor.addEventListener("input", function () { + dispatchEvent("FREETEXT_COLOR", this.value); + }); + editorInkColor.addEventListener("input", function () { + dispatchEvent("INK_COLOR", this.value); + }); + editorInkThickness.addEventListener("input", function () { + dispatchEvent("INK_THICKNESS", this.valueAsNumber); + }); + editorInkOpacity.addEventListener("input", function () { + dispatchEvent("INK_OPACITY", this.valueAsNumber); + }); + editorStampAddImage.addEventListener("click", () => { + dispatchEvent("CREATE"); + }); + editorFreeHighlightThickness.addEventListener("input", function () { + dispatchEvent("HIGHLIGHT_THICKNESS", this.valueAsNumber); + }); + this.eventBus._on("annotationeditorparamschanged", evt => { + for (const [type, value] of evt.details) { + switch (type) { + case AnnotationEditorParamsType.FREETEXT_SIZE: + editorFreeTextFontSize.value = value; + break; + case AnnotationEditorParamsType.FREETEXT_COLOR: + editorFreeTextColor.value = value; + break; + case AnnotationEditorParamsType.INK_COLOR: + editorInkColor.value = value; + break; + case AnnotationEditorParamsType.INK_THICKNESS: + editorInkThickness.value = value; + break; + case AnnotationEditorParamsType.INK_OPACITY: + editorInkOpacity.value = value; + break; + case AnnotationEditorParamsType.HIGHLIGHT_THICKNESS: + editorFreeHighlightThickness.value = value; + break; + case AnnotationEditorParamsType.HIGHLIGHT_FREE: + editorFreeHighlightThickness.disabled = !value; + break; + } + } + }); + } +} + +;// CONCATENATED MODULE: ./web/caret_browsing.js +const PRECISION = 1e-1; +class CaretBrowsingMode { + #mainContainer; + #toolBarHeight; + #viewerContainer; + constructor(mainContainer, viewerContainer, toolbarContainer) { + this.#mainContainer = mainContainer; + this.#viewerContainer = viewerContainer; + this.#toolBarHeight = toolbarContainer?.getBoundingClientRect().height ?? 0; + } + #isOnSameLine(rect1, rect2) { + const top1 = rect1.y; + const bot1 = rect1.bottom; + const mid1 = rect1.y + rect1.height / 2; + const top2 = rect2.y; + const bot2 = rect2.bottom; + const mid2 = rect2.y + rect2.height / 2; + return top1 <= mid2 && mid2 <= bot1 || top2 <= mid1 && mid1 <= bot2; + } + #isUnderOver(rect, x, y, isUp) { + const midY = rect.y + rect.height / 2; + return (isUp ? y >= midY : y <= midY) && rect.x - PRECISION <= x && x <= rect.right + PRECISION; + } + #isVisible(rect) { + return rect.top >= this.#toolBarHeight && rect.left >= 0 && rect.bottom <= (window.innerHeight || document.documentElement.clientHeight) && rect.right <= (window.innerWidth || document.documentElement.clientWidth); + } + #getCaretPosition(selection, isUp) { + const { + focusNode, + focusOffset + } = selection; + const range = document.createRange(); + range.setStart(focusNode, focusOffset); + range.setEnd(focusNode, focusOffset); + const rect = range.getBoundingClientRect(); + return [rect.x, isUp ? rect.top : rect.bottom]; + } + static #caretPositionFromPoint(x, y) { + return document.caretPositionFromPoint(x, y); + } + #setCaretPositionHelper(selection, caretX, select, element, rect) { + rect ||= element.getBoundingClientRect(); + if (caretX <= rect.x + PRECISION) { + if (select) { + selection.extend(element.firstChild, 0); + } else { + selection.setPosition(element.firstChild, 0); + } + return; + } + if (rect.right - PRECISION <= caretX) { + const { + lastChild + } = element; + if (select) { + selection.extend(lastChild, lastChild.length); + } else { + selection.setPosition(lastChild, lastChild.length); + } + return; + } + const midY = rect.y + rect.height / 2; + let caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY); + let parentElement = caretPosition.offsetNode?.parentElement; + if (parentElement && parentElement !== element) { + const elementsAtPoint = document.elementsFromPoint(caretX, midY); + const savedVisibilities = []; + for (const el of elementsAtPoint) { + if (el === element) { + break; + } + const { + style + } = el; + savedVisibilities.push([el, style.visibility]); + style.visibility = "hidden"; + } + caretPosition = CaretBrowsingMode.#caretPositionFromPoint(caretX, midY); + parentElement = caretPosition.offsetNode?.parentElement; + for (const [el, visibility] of savedVisibilities) { + el.style.visibility = visibility; + } + } + if (parentElement !== element) { + if (select) { + selection.extend(element.firstChild, 0); + } else { + selection.setPosition(element.firstChild, 0); + } + return; + } + if (select) { + selection.extend(caretPosition.offsetNode, caretPosition.offset); + } else { + selection.setPosition(caretPosition.offsetNode, caretPosition.offset); + } + } + #setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX) { + if (this.#isVisible(newLineElementRect)) { + this.#setCaretPositionHelper(selection, caretX, select, newLineElement, newLineElementRect); + return; + } + this.#mainContainer.addEventListener("scrollend", this.#setCaretPositionHelper.bind(this, selection, caretX, select, newLineElement, null), { + once: true + }); + newLineElement.scrollIntoView(); + } + #getNodeOnNextPage(textLayer, isUp) { + while (true) { + const page = textLayer.closest(".page"); + const pageNumber = parseInt(page.getAttribute("data-page-number")); + const nextPage = isUp ? pageNumber - 1 : pageNumber + 1; + textLayer = this.#viewerContainer.querySelector(`.page[data-page-number="${nextPage}"] .textLayer`); + if (!textLayer) { + return null; + } + const walker = document.createTreeWalker(textLayer, NodeFilter.SHOW_TEXT); + const node = isUp ? walker.lastChild() : walker.firstChild(); + if (node) { + return node; + } + } + } + moveCaret(isUp, select) { + const selection = document.getSelection(); + if (selection.rangeCount === 0) { + return; + } + const { + focusNode + } = selection; + const focusElement = focusNode.nodeType !== Node.ELEMENT_NODE ? focusNode.parentElement : focusNode; + const root = focusElement.closest(".textLayer"); + if (!root) { + return; + } + const walker = document.createTreeWalker(root, NodeFilter.SHOW_TEXT); + walker.currentNode = focusNode; + const focusRect = focusElement.getBoundingClientRect(); + let newLineElement = null; + const nodeIterator = (isUp ? walker.previousSibling : walker.nextSibling).bind(walker); + while (nodeIterator()) { + const element = walker.currentNode.parentElement; + if (!this.#isOnSameLine(focusRect, element.getBoundingClientRect())) { + newLineElement = element; + break; + } + } + if (!newLineElement) { + const node = this.#getNodeOnNextPage(root, isUp); + if (!node) { + return; + } + if (select) { + const lastNode = (isUp ? walker.firstChild() : walker.lastChild()) || focusNode; + selection.extend(lastNode, isUp ? 0 : lastNode.length); + const range = document.createRange(); + range.setStart(node, isUp ? node.length : 0); + range.setEnd(node, isUp ? node.length : 0); + selection.addRange(range); + return; + } + const [caretX] = this.#getCaretPosition(selection, isUp); + const { + parentElement + } = node; + this.#setCaretPosition(select, selection, parentElement, parentElement.getBoundingClientRect(), caretX); + return; + } + const [caretX, caretY] = this.#getCaretPosition(selection, isUp); + const newLineElementRect = newLineElement.getBoundingClientRect(); + if (this.#isUnderOver(newLineElementRect, caretX, caretY, isUp)) { + this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX); + return; + } + while (nodeIterator()) { + const element = walker.currentNode.parentElement; + const elementRect = element.getBoundingClientRect(); + if (!this.#isOnSameLine(newLineElementRect, elementRect)) { + break; + } + if (this.#isUnderOver(elementRect, caretX, caretY, isUp)) { + this.#setCaretPosition(select, selection, element, elementRect, caretX); + return; + } + } + this.#setCaretPosition(select, selection, newLineElement, newLineElementRect, caretX); + } +} + +;// CONCATENATED MODULE: ./web/overlay_manager.js +class OverlayManager { + #overlays = new WeakMap(); + #active = null; + get active() { + return this.#active; + } + async register(dialog, canForceClose = false) { + if (typeof dialog !== "object") { + throw new Error("Not enough parameters."); + } else if (this.#overlays.has(dialog)) { + throw new Error("The overlay is already registered."); + } + this.#overlays.set(dialog, { + canForceClose + }); + dialog.addEventListener("cancel", evt => { + this.#active = null; + }); + } + async open(dialog) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (this.#active) { + if (this.#active === dialog) { + throw new Error("The overlay is already active."); + } else if (this.#overlays.get(dialog).canForceClose) { + await this.close(); + } else { + throw new Error("Another overlay is currently active."); + } + } + this.#active = dialog; + dialog.showModal(); + } + async close(dialog = this.#active) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (!this.#active) { + throw new Error("The overlay is currently not active."); + } else if (this.#active !== dialog) { + throw new Error("Another overlay is currently active."); + } + dialog.close(); + this.#active = null; + } +} + +;// CONCATENATED MODULE: ./web/password_prompt.js + +class PasswordPrompt { + #activeCapability = null; + #updateCallback = null; + #reason = null; + constructor(options, overlayManager, isViewerEmbedded = false) { + this.dialog = options.dialog; + this.label = options.label; + this.input = options.input; + this.submitButton = options.submitButton; + this.cancelButton = options.cancelButton; + this.overlayManager = overlayManager; + this._isViewerEmbedded = isViewerEmbedded; + this.submitButton.addEventListener("click", this.#verify.bind(this)); + this.cancelButton.addEventListener("click", this.close.bind(this)); + this.input.addEventListener("keydown", e => { + if (e.keyCode === 13) { + this.#verify(); + } + }); + this.overlayManager.register(this.dialog, true); + this.dialog.addEventListener("close", this.#cancel.bind(this)); + } + async open() { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#activeCapability = new PromiseCapability(); + try { + await this.overlayManager.open(this.dialog); + } catch (ex) { + this.#activeCapability.resolve(); + throw ex; + } + const passwordIncorrect = this.#reason === PasswordResponses.INCORRECT_PASSWORD; + if (!this._isViewerEmbedded || passwordIncorrect) { + this.input.focus(); + } + this.label.setAttribute("data-l10n-id", `pdfjs-password-${passwordIncorrect ? "invalid" : "label"}`); + } + async close() { + if (this.overlayManager.active === this.dialog) { + this.overlayManager.close(this.dialog); + } + } + #verify() { + const password = this.input.value; + if (password?.length > 0) { + this.#invokeCallback(password); + } + } + #cancel() { + this.#invokeCallback(new Error("PasswordPrompt cancelled.")); + this.#activeCapability.resolve(); + } + #invokeCallback(password) { + if (!this.#updateCallback) { + return; + } + this.close(); + this.input.value = ""; + this.#updateCallback(password); + this.#updateCallback = null; + } + async setUpdateCallback(updateCallback, reason) { + if (this.#activeCapability) { + await this.#activeCapability.promise; + } + this.#updateCallback = updateCallback; + this.#reason = reason; + } +} + +;// CONCATENATED MODULE: ./web/base_tree_viewer.js + +const TREEITEM_OFFSET_TOP = -100; +const TREEITEM_SELECTED_CLASS = "selected"; +class BaseTreeViewer { + constructor(options) { + if (this.constructor === BaseTreeViewer) { + throw new Error("Cannot initialize BaseTreeViewer."); + } + this.container = options.container; + this.eventBus = options.eventBus; + this._l10n = options.l10n; + this.reset(); + } + reset() { + this._pdfDocument = null; + this._lastToggleIsShow = true; + this._currentTreeItem = null; + this.container.textContent = ""; + this.container.classList.remove("treeWithDeepNesting"); + } + _dispatchEvent(count) { + throw new Error("Not implemented: _dispatchEvent"); + } + _bindLink(element, params) { + throw new Error("Not implemented: _bindLink"); + } + _normalizeTextContent(str) { + return removeNullCharacters(str, true) || "\u2013"; + } + _addToggleButton(div, hidden = false) { + const toggler = document.createElement("div"); + toggler.className = "treeItemToggler"; + if (hidden) { + toggler.classList.add("treeItemsHidden"); + } + toggler.onclick = evt => { + evt.stopPropagation(); + toggler.classList.toggle("treeItemsHidden"); + if (evt.shiftKey) { + const shouldShowAll = !toggler.classList.contains("treeItemsHidden"); + this._toggleTreeItem(div, shouldShowAll); + } + }; + div.prepend(toggler); + } + _toggleTreeItem(root, show = false) { + this._l10n.pause(); + this._lastToggleIsShow = show; + for (const toggler of root.querySelectorAll(".treeItemToggler")) { + toggler.classList.toggle("treeItemsHidden", !show); + } + this._l10n.resume(); + } + _toggleAllTreeItems() { + this._toggleTreeItem(this.container, !this._lastToggleIsShow); + } + _finishRendering(fragment, count, hasAnyNesting = false) { + if (hasAnyNesting) { + this.container.classList.add("treeWithDeepNesting"); + this._lastToggleIsShow = !fragment.querySelector(".treeItemsHidden"); + } + this._l10n.pause(); + this.container.append(fragment); + this._l10n.resume(); + this._dispatchEvent(count); + } + render(params) { + throw new Error("Not implemented: render"); + } + _updateCurrentTreeItem(treeItem = null) { + if (this._currentTreeItem) { + this._currentTreeItem.classList.remove(TREEITEM_SELECTED_CLASS); + this._currentTreeItem = null; + } + if (treeItem) { + treeItem.classList.add(TREEITEM_SELECTED_CLASS); + this._currentTreeItem = treeItem; + } + } + _scrollToCurrentTreeItem(treeItem) { + if (!treeItem) { + return; + } + this._l10n.pause(); + let currentNode = treeItem.parentNode; + while (currentNode && currentNode !== this.container) { + if (currentNode.classList.contains("treeItem")) { + const toggler = currentNode.firstElementChild; + toggler?.classList.remove("treeItemsHidden"); + } + currentNode = currentNode.parentNode; + } + this._l10n.resume(); + this._updateCurrentTreeItem(treeItem); + this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP); + } +} + +;// CONCATENATED MODULE: ./web/pdf_attachment_viewer.js + + + +class PDFAttachmentViewer extends BaseTreeViewer { + constructor(options) { + super(options); + this.downloadManager = options.downloadManager; + this.eventBus._on("fileattachmentannotation", this.#appendAttachment.bind(this)); + } + reset(keepRenderedCapability = false) { + super.reset(); + this._attachments = null; + if (!keepRenderedCapability) { + this._renderedCapability = new PromiseCapability(); + } + this._pendingDispatchEvent = false; + } + async _dispatchEvent(attachmentsCount) { + this._renderedCapability.resolve(); + if (attachmentsCount === 0 && !this._pendingDispatchEvent) { + this._pendingDispatchEvent = true; + await waitOnEventOrTimeout({ + target: this.eventBus, + name: "annotationlayerrendered", + delay: 1000 + }); + if (!this._pendingDispatchEvent) { + return; + } + } + this._pendingDispatchEvent = false; + this.eventBus.dispatch("attachmentsloaded", { + source: this, + attachmentsCount + }); + } + _bindLink(element, { + content, + filename + }) { + element.onclick = () => { + this.downloadManager.openOrDownloadData(content, filename); + return false; + }; + } + render({ + attachments, + keepRenderedCapability = false + }) { + if (this._attachments) { + this.reset(keepRenderedCapability); + } + this._attachments = attachments || null; + if (!attachments) { + this._dispatchEvent(0); + return; + } + const fragment = document.createDocumentFragment(); + let attachmentsCount = 0; + for (const name in attachments) { + const item = attachments[name]; + const content = item.content, + filename = getFilenameFromUrl(item.filename, true); + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + this._bindLink(element, { + content, + filename + }); + element.textContent = this._normalizeTextContent(filename); + div.append(element); + fragment.append(div); + attachmentsCount++; + } + this._finishRendering(fragment, attachmentsCount); + } + #appendAttachment({ + filename, + content + }) { + const renderedPromise = this._renderedCapability.promise; + renderedPromise.then(() => { + if (renderedPromise !== this._renderedCapability.promise) { + return; + } + const attachments = this._attachments || Object.create(null); + for (const name in attachments) { + if (filename === name) { + return; + } + } + attachments[filename] = { + filename, + content + }; + this.render({ + attachments, + keepRenderedCapability: true + }); + }); + } +} + +;// CONCATENATED MODULE: ./web/grab_to_pan.js +const CSS_CLASS_GRAB = "grab-to-pan-grab"; +class GrabToPan { + constructor({ + element + }) { + this.element = element; + this.document = element.ownerDocument; + this.activate = this.activate.bind(this); + this.deactivate = this.deactivate.bind(this); + this.toggle = this.toggle.bind(this); + this._onMouseDown = this.#onMouseDown.bind(this); + this._onMouseMove = this.#onMouseMove.bind(this); + this._endPan = this.#endPan.bind(this); + const overlay = this.overlay = document.createElement("div"); + overlay.className = "grab-to-pan-grabbing"; + } + activate() { + if (!this.active) { + this.active = true; + this.element.addEventListener("mousedown", this._onMouseDown, true); + this.element.classList.add(CSS_CLASS_GRAB); + } + } + deactivate() { + if (this.active) { + this.active = false; + this.element.removeEventListener("mousedown", this._onMouseDown, true); + this._endPan(); + this.element.classList.remove(CSS_CLASS_GRAB); + } + } + toggle() { + if (this.active) { + this.deactivate(); + } else { + this.activate(); + } + } + ignoreTarget(node) { + return node.matches("a[href], a[href] *, input, textarea, button, button *, select, option"); + } + #onMouseDown(event) { + if (event.button !== 0 || this.ignoreTarget(event.target)) { + return; + } + if (event.originalTarget) { + try { + event.originalTarget.tagName; + } catch { + return; + } + } + this.scrollLeftStart = this.element.scrollLeft; + this.scrollTopStart = this.element.scrollTop; + this.clientXStart = event.clientX; + this.clientYStart = event.clientY; + this.document.addEventListener("mousemove", this._onMouseMove, true); + this.document.addEventListener("mouseup", this._endPan, true); + this.element.addEventListener("scroll", this._endPan, true); + event.preventDefault(); + event.stopPropagation(); + const focusedElement = document.activeElement; + if (focusedElement && !focusedElement.contains(event.target)) { + focusedElement.blur(); + } + } + #onMouseMove(event) { + this.element.removeEventListener("scroll", this._endPan, true); + if (!(event.buttons & 1)) { + this._endPan(); + return; + } + const xDiff = event.clientX - this.clientXStart; + const yDiff = event.clientY - this.clientYStart; + this.element.scrollTo({ + top: this.scrollTopStart - yDiff, + left: this.scrollLeftStart - xDiff, + behavior: "instant" + }); + if (!this.overlay.parentNode) { + document.body.append(this.overlay); + } + } + #endPan() { + this.element.removeEventListener("scroll", this._endPan, true); + this.document.removeEventListener("mousemove", this._onMouseMove, true); + this.document.removeEventListener("mouseup", this._endPan, true); + this.overlay.remove(); + } +} + +;// CONCATENATED MODULE: ./web/pdf_cursor_tools.js + + + +class PDFCursorTools { + #active = CursorTool.SELECT; + #prevActive = null; + constructor({ + container, + eventBus, + cursorToolOnLoad = CursorTool.SELECT + }) { + this.container = container; + this.eventBus = eventBus; + this.#addEventListeners(); + Promise.resolve().then(() => { + this.switchTool(cursorToolOnLoad); + }); + } + get activeTool() { + return this.#active; + } + switchTool(tool) { + if (this.#prevActive !== null) { + return; + } + if (tool === this.#active) { + return; + } + const disableActiveTool = () => { + switch (this.#active) { + case CursorTool.SELECT: + break; + case CursorTool.HAND: + this._handTool.deactivate(); + break; + case CursorTool.ZOOM: + } + }; + switch (tool) { + case CursorTool.SELECT: + disableActiveTool(); + break; + case CursorTool.HAND: + disableActiveTool(); + this._handTool.activate(); + break; + case CursorTool.ZOOM: + default: + console.error(`switchTool: "${tool}" is an unsupported value.`); + return; + } + this.#active = tool; + this.eventBus.dispatch("cursortoolchanged", { + source: this, + tool + }); + } + #addEventListeners() { + this.eventBus._on("switchcursortool", evt => { + this.switchTool(evt.tool); + }); + let annotationEditorMode = AnnotationEditorType.NONE, + presentationModeState = PresentationModeState.NORMAL; + const disableActive = () => { + const prevActive = this.#active; + this.switchTool(CursorTool.SELECT); + this.#prevActive ??= prevActive; + }; + const enableActive = () => { + const prevActive = this.#prevActive; + if (prevActive !== null && annotationEditorMode === AnnotationEditorType.NONE && presentationModeState === PresentationModeState.NORMAL) { + this.#prevActive = null; + this.switchTool(prevActive); + } + }; + this.eventBus._on("secondarytoolbarreset", evt => { + if (this.#prevActive !== null) { + annotationEditorMode = AnnotationEditorType.NONE; + presentationModeState = PresentationModeState.NORMAL; + enableActive(); + } + }); + this.eventBus._on("annotationeditormodechanged", ({ + mode + }) => { + annotationEditorMode = mode; + if (mode === AnnotationEditorType.NONE) { + enableActive(); + } else { + disableActive(); + } + }); + this.eventBus._on("presentationmodechanged", ({ + state + }) => { + presentationModeState = state; + if (state === PresentationModeState.NORMAL) { + enableActive(); + } else if (state === PresentationModeState.FULLSCREEN) { + disableActive(); + } + }); + } + get _handTool() { + return shadow(this, "_handTool", new GrabToPan({ + element: this.container + })); + } +} + +;// CONCATENATED MODULE: ./web/pdf_document_properties.js + + +const DEFAULT_FIELD_CONTENT = "-"; +const NON_METRIC_LOCALES = ["en-us", "en-lr", "my"]; +const US_PAGE_NAMES = { + "8.5x11": "letter", + "8.5x14": "legal" +}; +const METRIC_PAGE_NAMES = { + "297x420": "a-three", + "210x297": "a-four" +}; +function getPageName(size, isPortrait, pageNames) { + const width = isPortrait ? size.width : size.height; + const height = isPortrait ? size.height : size.width; + return pageNames[`${width}x${height}`]; +} +class PDFDocumentProperties { + #fieldData = null; + constructor({ + dialog, + fields, + closeButton + }, overlayManager, eventBus, l10n, fileNameLookup) { + this.dialog = dialog; + this.fields = fields; + this.overlayManager = overlayManager; + this.l10n = l10n; + this._fileNameLookup = fileNameLookup; + this.#reset(); + closeButton.addEventListener("click", this.close.bind(this)); + this.overlayManager.register(this.dialog); + eventBus._on("pagechanging", evt => { + this._currentPageNumber = evt.pageNumber; + }); + eventBus._on("rotationchanging", evt => { + this._pagesRotation = evt.pagesRotation; + }); + this._isNonMetricLocale = NON_METRIC_LOCALES.includes(l10n.getLanguage()); + } + async open() { + await Promise.all([this.overlayManager.open(this.dialog), this._dataAvailableCapability.promise]); + const currentPageNumber = this._currentPageNumber; + const pagesRotation = this._pagesRotation; + if (this.#fieldData && currentPageNumber === this.#fieldData._currentPageNumber && pagesRotation === this.#fieldData._pagesRotation) { + this.#updateUI(); + return; + } + const { + info, + contentLength + } = await this.pdfDocument.getMetadata(); + const [fileName, fileSize, creationDate, modificationDate, pageSize, isLinearized] = await Promise.all([this._fileNameLookup(), this.#parseFileSize(contentLength), this.#parseDate(info.CreationDate), this.#parseDate(info.ModDate), this.pdfDocument.getPage(currentPageNumber).then(pdfPage => { + return this.#parsePageSize(getPageSizeInches(pdfPage), pagesRotation); + }), this.#parseLinearization(info.IsLinearized)]); + this.#fieldData = Object.freeze({ + fileName, + fileSize, + title: info.Title, + author: info.Author, + subject: info.Subject, + keywords: info.Keywords, + creationDate, + modificationDate, + creator: info.Creator, + producer: info.Producer, + version: info.PDFFormatVersion, + pageCount: this.pdfDocument.numPages, + pageSize, + linearized: isLinearized, + _currentPageNumber: currentPageNumber, + _pagesRotation: pagesRotation + }); + this.#updateUI(); + const { + length + } = await this.pdfDocument.getDownloadInfo(); + if (contentLength === length) { + return; + } + const data = Object.assign(Object.create(null), this.#fieldData); + data.fileSize = await this.#parseFileSize(length); + this.#fieldData = Object.freeze(data); + this.#updateUI(); + } + async close() { + this.overlayManager.close(this.dialog); + } + setDocument(pdfDocument) { + if (this.pdfDocument) { + this.#reset(); + this.#updateUI(true); + } + if (!pdfDocument) { + return; + } + this.pdfDocument = pdfDocument; + this._dataAvailableCapability.resolve(); + } + #reset() { + this.pdfDocument = null; + this.#fieldData = null; + this._dataAvailableCapability = new PromiseCapability(); + this._currentPageNumber = 1; + this._pagesRotation = 0; + } + #updateUI(reset = false) { + if (reset || !this.#fieldData) { + for (const id in this.fields) { + this.fields[id].textContent = DEFAULT_FIELD_CONTENT; + } + return; + } + if (this.overlayManager.active !== this.dialog) { + return; + } + for (const id in this.fields) { + const content = this.#fieldData[id]; + this.fields[id].textContent = content || content === 0 ? content : DEFAULT_FIELD_CONTENT; + } + } + async #parseFileSize(fileSize = 0) { + const kb = fileSize / 1024, + mb = kb / 1024; + if (!kb) { + return undefined; + } + return this.l10n.get(`pdfjs-document-properties-${mb >= 1 ? "mb" : "kb"}`, { + size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(), + size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(), + size_b: fileSize.toLocaleString() + }); + } + async #parsePageSize(pageSizeInches, pagesRotation) { + if (!pageSizeInches) { + return undefined; + } + if (pagesRotation % 180 !== 0) { + pageSizeInches = { + width: pageSizeInches.height, + height: pageSizeInches.width + }; + } + const isPortrait = isPortraitOrientation(pageSizeInches); + let sizeInches = { + width: Math.round(pageSizeInches.width * 100) / 100, + height: Math.round(pageSizeInches.height * 100) / 100 + }; + let sizeMillimeters = { + width: Math.round(pageSizeInches.width * 25.4 * 10) / 10, + height: Math.round(pageSizeInches.height * 25.4 * 10) / 10 + }; + let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) { + const exactMillimeters = { + width: pageSizeInches.width * 25.4, + height: pageSizeInches.height * 25.4 + }; + const intMillimeters = { + width: Math.round(sizeMillimeters.width), + height: Math.round(sizeMillimeters.height) + }; + if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) { + rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (rawName) { + sizeInches = { + width: Math.round(intMillimeters.width / 25.4 * 100) / 100, + height: Math.round(intMillimeters.height / 25.4 * 100) / 100 + }; + sizeMillimeters = intMillimeters; + } + } + } + const [{ + width, + height + }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`pdfjs-document-properties-page-size-unit-${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`pdfjs-document-properties-page-size-name-${rawName}`), this.l10n.get(`pdfjs-document-properties-page-size-orientation-${isPortrait ? "portrait" : "landscape"}`)]); + return this.l10n.get(`pdfjs-document-properties-page-size-dimension-${name ? "name-" : ""}string`, { + width: width.toLocaleString(), + height: height.toLocaleString(), + unit, + name, + orientation + }); + } + async #parseDate(inputDate) { + const dateObject = PDFDateString.toDateObject(inputDate); + if (!dateObject) { + return undefined; + } + return this.l10n.get("pdfjs-document-properties-date-string", { + date: dateObject.toLocaleDateString(), + time: dateObject.toLocaleTimeString() + }); + } + #parseLinearization(isLinearized) { + return this.l10n.get(`pdfjs-document-properties-linearized-${isLinearized ? "yes" : "no"}`); + } +} + +;// CONCATENATED MODULE: ./web/pdf_find_utils.js +const CharacterType = { + SPACE: 0, + ALPHA_LETTER: 1, + PUNCT: 2, + HAN_LETTER: 3, + KATAKANA_LETTER: 4, + HIRAGANA_LETTER: 5, + HALFWIDTH_KATAKANA_LETTER: 6, + THAI_LETTER: 7 +}; +function isAlphabeticalScript(charCode) { + return charCode < 0x2e80; +} +function isAscii(charCode) { + return (charCode & 0xff80) === 0; +} +function isAsciiAlpha(charCode) { + return charCode >= 0x61 && charCode <= 0x7a || charCode >= 0x41 && charCode <= 0x5a; +} +function isAsciiDigit(charCode) { + return charCode >= 0x30 && charCode <= 0x39; +} +function isAsciiSpace(charCode) { + return charCode === 0x20 || charCode === 0x09 || charCode === 0x0d || charCode === 0x0a; +} +function isHan(charCode) { + return charCode >= 0x3400 && charCode <= 0x9fff || charCode >= 0xf900 && charCode <= 0xfaff; +} +function isKatakana(charCode) { + return charCode >= 0x30a0 && charCode <= 0x30ff; +} +function isHiragana(charCode) { + return charCode >= 0x3040 && charCode <= 0x309f; +} +function isHalfwidthKatakana(charCode) { + return charCode >= 0xff60 && charCode <= 0xff9f; +} +function isThai(charCode) { + return (charCode & 0xff80) === 0x0e00; +} +function getCharacterType(charCode) { + if (isAlphabeticalScript(charCode)) { + if (isAscii(charCode)) { + if (isAsciiSpace(charCode)) { + return CharacterType.SPACE; + } else if (isAsciiAlpha(charCode) || isAsciiDigit(charCode) || charCode === 0x5f) { + return CharacterType.ALPHA_LETTER; + } + return CharacterType.PUNCT; + } else if (isThai(charCode)) { + return CharacterType.THAI_LETTER; + } else if (charCode === 0xa0) { + return CharacterType.SPACE; + } + return CharacterType.ALPHA_LETTER; + } + if (isHan(charCode)) { + return CharacterType.HAN_LETTER; + } else if (isKatakana(charCode)) { + return CharacterType.KATAKANA_LETTER; + } else if (isHiragana(charCode)) { + return CharacterType.HIRAGANA_LETTER; + } else if (isHalfwidthKatakana(charCode)) { + return CharacterType.HALFWIDTH_KATAKANA_LETTER; + } + return CharacterType.ALPHA_LETTER; +} +let NormalizeWithNFKC; +function getNormalizeWithNFKC() { + NormalizeWithNFKC ||= ` ¨ª¯²-µ¸-º¼-¾IJ-ijĿ-ŀʼnſDŽ-njDZ-dzʰ-ʸ˘-ËË -ˤʹͺ;΄-΅·Ï-Ï–Ï°-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-à§à§Ÿà¨³à¨¶à©™-ਜ਼ਫ਼àœ-àำຳໜ-à»à¼Œà½ƒà½à½’བྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-áµáµ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-á¿á¿‰á¿‹á¿-á¿á¿“á¿›á¿-῟ΰΎá¿-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾â‡-â‰â—âŸâ°-â±â´-â‚Žâ‚-ₜ₨℀-℃℅-ℇ℉-â„“â„•-â„–â„™-â„â„ -™ℤΩℨK-â„ℯ-ℱℳ-ℹ℻-⅀ⅅ-â…‰â…-ⅿ↉∬-âˆâˆ¯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕　〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇ã‰-㉾㊀-ã¿êšœ-êšê°êŸ²-ꟴꟸ-ꟹêœ-êŸê©ï¤€-ï¨ï¨ï¨’凞-ï¨žï¨ ï¨¢ï¨¥-都飯-ï©ï©°-龎ff-stﬓ-ﬗï¬ï¬Ÿ-זּטּ-לּמּï€-ïïƒ-ï„ï†-ﮱﯓ-ï´½ïµ-ï¶ï¶’-ﷇﷰ-ï·¼ï¸-︙︰-﹄﹇-ï¹’ï¹”-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼï¼-ﾾￂ-ￇￊ-ï¿ï¿’-ï¿—ï¿š-ï¿œï¿ -￦`; + return NormalizeWithNFKC; +} + +;// CONCATENATED MODULE: ./web/pdf_find_controller.js + + + +const FindState = { + FOUND: 0, + NOT_FOUND: 1, + WRAPPED: 2, + PENDING: 3 +}; +const FIND_TIMEOUT = 250; +const MATCH_SCROLL_OFFSET_TOP = -50; +const MATCH_SCROLL_OFFSET_LEFT = -400; +const CHARACTERS_TO_NORMALIZE = { + "\u2010": "-", + "\u2018": "'", + "\u2019": "'", + "\u201A": "'", + "\u201B": "'", + "\u201C": '"', + "\u201D": '"', + "\u201E": '"', + "\u201F": '"', + "\u00BC": "1/4", + "\u00BD": "1/2", + "\u00BE": "3/4" +}; +const DIACRITICS_EXCEPTION = new Set([0x3099, 0x309a, 0x094d, 0x09cd, 0x0a4d, 0x0acd, 0x0b4d, 0x0bcd, 0x0c4d, 0x0ccd, 0x0d3b, 0x0d3c, 0x0d4d, 0x0dca, 0x0e3a, 0x0eba, 0x0f84, 0x1039, 0x103a, 0x1714, 0x1734, 0x17d2, 0x1a60, 0x1b44, 0x1baa, 0x1bab, 0x1bf2, 0x1bf3, 0x2d7f, 0xa806, 0xa82c, 0xa8c4, 0xa953, 0xa9c0, 0xaaf6, 0xabed, 0x0c56, 0x0f71, 0x0f72, 0x0f7a, 0x0f7b, 0x0f7c, 0x0f7d, 0x0f80, 0x0f74]); +let DIACRITICS_EXCEPTION_STR; +const DIACRITICS_REG_EXP = /\p{M}+/gu; +const SPECIAL_CHARS_REG_EXP = /([.*+?^${}()|[\]\\])|(\p{P})|(\s+)|(\p{M})|(\p{L})/gu; +const NOT_DIACRITIC_FROM_END_REG_EXP = /([^\p{M}])\p{M}*$/u; +const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u; +const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g; +const SYLLABLES_LENGTHS = new Map(); +const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]"; +const NFKC_CHARS_TO_NORMALIZE = new Map(); +let noSyllablesRegExp = null; +let withSyllablesRegExp = null; +function normalize(text) { + const syllablePositions = []; + let m; + while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) { + let { + index + } = m; + for (const char of m[0]) { + let len = SYLLABLES_LENGTHS.get(char); + if (!len) { + len = char.normalize("NFD").length; + SYLLABLES_LENGTHS.set(char, len); + } + syllablePositions.push([len, index++]); + } + } + let normalizationRegex; + if (syllablePositions.length === 0 && noSyllablesRegExp) { + normalizationRegex = noSyllablesRegExp; + } else if (syllablePositions.length > 0 && withSyllablesRegExp) { + normalizationRegex = withSyllablesRegExp; + } else { + const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(""); + const toNormalizeWithNFKC = getNormalizeWithNFKC(); + const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])"; + const HKDiacritics = "(?:\u3099|\u309A)"; + const regexp = `([${replace}])|([${toNormalizeWithNFKC}])|(${HKDiacritics}\\n)|(\\p{M}+(?:-\\n)?)|(\\S-\\n)|(${CJK}\\n)|(\\n)`; + if (syllablePositions.length === 0) { + normalizationRegex = noSyllablesRegExp = new RegExp(regexp + "|(\\u0000)", "gum"); + } else { + normalizationRegex = withSyllablesRegExp = new RegExp(regexp + `|(${FIRST_CHAR_SYLLABLES_REG_EXP})`, "gum"); + } + } + const rawDiacriticsPositions = []; + while ((m = DIACRITICS_REG_EXP.exec(text)) !== null) { + rawDiacriticsPositions.push([m[0].length, m.index]); + } + let normalized = text.normalize("NFD"); + const positions = [[0, 0]]; + let rawDiacriticsIndex = 0; + let syllableIndex = 0; + let shift = 0; + let shiftOrigin = 0; + let eol = 0; + let hasDiacritics = false; + normalized = normalized.replace(normalizationRegex, (match, p1, p2, p3, p4, p5, p6, p7, p8, i) => { + i -= shiftOrigin; + if (p1) { + const replacement = CHARACTERS_TO_NORMALIZE[p1]; + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p2) { + let replacement = NFKC_CHARS_TO_NORMALIZE.get(p2); + if (!replacement) { + replacement = p2.normalize("NFKC"); + NFKC_CHARS_TO_NORMALIZE.set(p2, replacement); + } + const jj = replacement.length; + for (let j = 1; j < jj; j++) { + positions.push([i - shift + j, shift - j]); + } + shift -= jj - 1; + return replacement; + } + if (p3) { + hasDiacritics = true; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + ++rawDiacriticsIndex; + } else { + positions.push([i - 1 - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + } + positions.push([i - shift + 1, shift]); + shiftOrigin += 1; + eol += 1; + return p3.charAt(0); + } + if (p4) { + const hasTrailingDashEOL = p4.endsWith("\n"); + const len = hasTrailingDashEOL ? p4.length - 2 : p4.length; + hasDiacritics = true; + let jj = len; + if (i + eol === rawDiacriticsPositions[rawDiacriticsIndex]?.[1]) { + jj -= rawDiacriticsPositions[rawDiacriticsIndex][0]; + ++rawDiacriticsIndex; + } + for (let j = 1; j <= jj; j++) { + positions.push([i - 1 - shift + j, shift - j]); + } + shift -= jj; + shiftOrigin += jj; + if (hasTrailingDashEOL) { + i += len - 1; + positions.push([i - shift + 1, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p4.slice(0, len); + } + return p4; + } + if (p5) { + const len = p5.length - 2; + positions.push([i - shift + len, 1 + shift]); + shift += 1; + shiftOrigin += 1; + eol += 1; + return p5.slice(0, -2); + } + if (p6) { + const len = p6.length - 1; + positions.push([i - shift + len, shift]); + shiftOrigin += 1; + eol += 1; + return p6.slice(0, -1); + } + if (p7) { + positions.push([i - shift + 1, shift - 1]); + shift -= 1; + shiftOrigin += 1; + eol += 1; + return " "; + } + if (i + eol === syllablePositions[syllableIndex]?.[1]) { + const newCharLen = syllablePositions[syllableIndex][0] - 1; + ++syllableIndex; + for (let j = 1; j <= newCharLen; j++) { + positions.push([i - (shift - j), shift - j]); + } + shift -= newCharLen; + shiftOrigin += newCharLen; + } + return p8; + }); + positions.push([normalized.length, shift]); + return [normalized, positions, hasDiacritics]; +} +function getOriginalIndex(diffs, pos, len) { + if (!diffs) { + return [pos, len]; + } + const start = pos; + const end = pos + len - 1; + let i = binarySearchFirstItem(diffs, x => x[0] >= start); + if (diffs[i][0] > start) { + --i; + } + let j = binarySearchFirstItem(diffs, x => x[0] >= end, i); + if (diffs[j][0] > end) { + --j; + } + const oldStart = start + diffs[i][1]; + const oldEnd = end + diffs[j][1]; + const oldLen = oldEnd + 1 - oldStart; + return [oldStart, oldLen]; +} +class PDFFindController { + #state = null; + #updateMatchesCountOnProgress = true; + #visitedPagesCount = 0; + constructor({ + linkService, + eventBus, + updateMatchesCountOnProgress = true + }) { + this._linkService = linkService; + this._eventBus = eventBus; + this.#updateMatchesCountOnProgress = updateMatchesCountOnProgress; + this.onIsPageVisible = null; + this.#reset(); + eventBus._on("find", this.#onFind.bind(this)); + eventBus._on("findbarclose", this.#onFindBarClose.bind(this)); + } + get highlightMatches() { + return this._highlightMatches; + } + get pageMatches() { + return this._pageMatches; + } + get pageMatchesLength() { + return this._pageMatchesLength; + } + get selected() { + return this._selected; + } + get state() { + return this.#state; + } + setDocument(pdfDocument) { + if (this._pdfDocument) { + this.#reset(); + } + if (!pdfDocument) { + return; + } + this._pdfDocument = pdfDocument; + this._firstPageCapability.resolve(); + } + #onFind(state) { + if (!state) { + return; + } + const pdfDocument = this._pdfDocument; + const { + type + } = state; + if (this.#state === null || this.#shouldDirtyMatch(state)) { + this._dirtyMatch = true; + } + this.#state = state; + if (type !== "highlightallchange") { + this.#updateUIState(FindState.PENDING); + } + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + this.#extractText(); + const findbarClosed = !this._highlightMatches; + const pendingTimeout = !!this._findTimeout; + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (!type) { + this._findTimeout = setTimeout(() => { + this.#nextMatch(); + this._findTimeout = null; + }, FIND_TIMEOUT); + } else if (this._dirtyMatch) { + this.#nextMatch(); + } else if (type === "again") { + this.#nextMatch(); + if (findbarClosed && this.#state.highlightAll) { + this.#updateAllPages(); + } + } else if (type === "highlightallchange") { + if (pendingTimeout) { + this.#nextMatch(); + } else { + this._highlightMatches = true; + } + this.#updateAllPages(); + } else { + this.#nextMatch(); + } + }); + } + scrollMatchIntoView({ + element = null, + selectedLeft = 0, + pageIndex = -1, + matchIndex = -1 + }) { + if (!this._scrollMatches || !element) { + return; + } else if (matchIndex === -1 || matchIndex !== this._selected.matchIdx) { + return; + } else if (pageIndex === -1 || pageIndex !== this._selected.pageIdx) { + return; + } + this._scrollMatches = false; + const spot = { + top: MATCH_SCROLL_OFFSET_TOP, + left: selectedLeft + MATCH_SCROLL_OFFSET_LEFT + }; + scrollIntoView(element, spot, true); + } + #reset() { + this._highlightMatches = false; + this._scrollMatches = false; + this._pdfDocument = null; + this._pageMatches = []; + this._pageMatchesLength = []; + this.#visitedPagesCount = 0; + this.#state = null; + this._selected = { + pageIdx: -1, + matchIdx: -1 + }; + this._offset = { + pageIdx: null, + matchIdx: null, + wrapped: false + }; + this._extractTextPromises = []; + this._pageContents = []; + this._pageDiffs = []; + this._hasDiacritics = []; + this._matchesCountTotal = 0; + this._pagesToSearch = null; + this._pendingFindMatches = new Set(); + this._resumePageIdx = null; + this._dirtyMatch = false; + clearTimeout(this._findTimeout); + this._findTimeout = null; + this._firstPageCapability = new PromiseCapability(); + } + get #query() { + const { + query + } = this.#state; + if (typeof query === "string") { + if (query !== this._rawQuery) { + this._rawQuery = query; + [this._normalizedQuery] = normalize(query); + } + return this._normalizedQuery; + } + return (query || []).filter(q => !!q).map(q => normalize(q)[0]); + } + #shouldDirtyMatch(state) { + const newQuery = state.query, + prevQuery = this.#state.query; + const newType = typeof newQuery, + prevType = typeof prevQuery; + if (newType !== prevType) { + return true; + } + if (newType === "string") { + if (newQuery !== prevQuery) { + return true; + } + } else if (JSON.stringify(newQuery) !== JSON.stringify(prevQuery)) { + return true; + } + switch (state.type) { + case "again": + const pageNumber = this._selected.pageIdx + 1; + const linkService = this._linkService; + return pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !(this.onIsPageVisible?.(pageNumber) ?? true); + case "highlightallchange": + return false; + } + return true; + } + #isEntireWord(content, startIdx, length) { + let match = content.slice(0, startIdx).match(NOT_DIACRITIC_FROM_END_REG_EXP); + if (match) { + const first = content.charCodeAt(startIdx); + const limit = match[1].charCodeAt(0); + if (getCharacterType(first) === getCharacterType(limit)) { + return false; + } + } + match = content.slice(startIdx + length).match(NOT_DIACRITIC_FROM_START_REG_EXP); + if (match) { + const last = content.charCodeAt(startIdx + length - 1); + const limit = match[1].charCodeAt(0); + if (getCharacterType(last) === getCharacterType(limit)) { + return false; + } + } + return true; + } + #calculateRegExpMatch(query, entireWord, pageIndex, pageContent) { + const matches = this._pageMatches[pageIndex] = []; + const matchesLength = this._pageMatchesLength[pageIndex] = []; + if (!query) { + return; + } + const diffs = this._pageDiffs[pageIndex]; + let match; + while ((match = query.exec(pageContent)) !== null) { + if (entireWord && !this.#isEntireWord(pageContent, match.index, match[0].length)) { + continue; + } + const [matchPos, matchLen] = getOriginalIndex(diffs, match.index, match[0].length); + if (matchLen) { + matches.push(matchPos); + matchesLength.push(matchLen); + } + } + } + #convertToRegExpString(query, hasDiacritics) { + const { + matchDiacritics + } = this.#state; + let isUnicode = false; + query = query.replaceAll(SPECIAL_CHARS_REG_EXP, (match, p1, p2, p3, p4, p5) => { + if (p1) { + return `[ ]*\\${p1}[ ]*`; + } + if (p2) { + return `[ ]*${p2}[ ]*`; + } + if (p3) { + return "[ ]+"; + } + if (matchDiacritics) { + return p4 || p5; + } + if (p4) { + return DIACRITICS_EXCEPTION.has(p4.charCodeAt(0)) ? p4 : ""; + } + if (hasDiacritics) { + isUnicode = true; + return `${p5}\\p{M}*`; + } + return p5; + }); + const trailingSpaces = "[ ]*"; + if (query.endsWith(trailingSpaces)) { + query = query.slice(0, query.length - trailingSpaces.length); + } + if (matchDiacritics) { + if (hasDiacritics) { + DIACRITICS_EXCEPTION_STR ||= String.fromCharCode(...DIACRITICS_EXCEPTION); + isUnicode = true; + query = `${query}(?=[${DIACRITICS_EXCEPTION_STR}]|[^\\p{M}]|$)`; + } + } + return [isUnicode, query]; + } + #calculateMatch(pageIndex) { + let query = this.#query; + if (query.length === 0) { + return; + } + const { + caseSensitive, + entireWord + } = this.#state; + const pageContent = this._pageContents[pageIndex]; + const hasDiacritics = this._hasDiacritics[pageIndex]; + let isUnicode = false; + if (typeof query === "string") { + [isUnicode, query] = this.#convertToRegExpString(query, hasDiacritics); + } else { + query = query.sort().reverse().map(q => { + const [isUnicodePart, queryPart] = this.#convertToRegExpString(q, hasDiacritics); + isUnicode ||= isUnicodePart; + return `(${queryPart})`; + }).join("|"); + } + const flags = `g${isUnicode ? "u" : ""}${caseSensitive ? "" : "i"}`; + query = query ? new RegExp(query, flags) : null; + this.#calculateRegExpMatch(query, entireWord, pageIndex, pageContent); + if (this.#state.highlightAll) { + this.#updatePage(pageIndex); + } + if (this._resumePageIdx === pageIndex) { + this._resumePageIdx = null; + this.#nextPageMatch(); + } + const pageMatchesCount = this._pageMatches[pageIndex].length; + this._matchesCountTotal += pageMatchesCount; + if (this.#updateMatchesCountOnProgress) { + if (pageMatchesCount > 0) { + this.#updateUIResultsCount(); + } + } else if (++this.#visitedPagesCount === this._linkService.pagesCount) { + this.#updateUIResultsCount(); + } + } + #extractText() { + if (this._extractTextPromises.length > 0) { + return; + } + let promise = Promise.resolve(); + const textOptions = { + disableNormalization: true + }; + for (let i = 0, ii = this._linkService.pagesCount; i < ii; i++) { + const extractTextCapability = new PromiseCapability(); + this._extractTextPromises[i] = extractTextCapability.promise; + promise = promise.then(() => { + return this._pdfDocument.getPage(i + 1).then(pdfPage => pdfPage.getTextContent(textOptions)).then(textContent => { + const strBuf = []; + for (const textItem of textContent.items) { + strBuf.push(textItem.str); + if (textItem.hasEOL) { + strBuf.push("\n"); + } + } + [this._pageContents[i], this._pageDiffs[i], this._hasDiacritics[i]] = normalize(strBuf.join("")); + extractTextCapability.resolve(); + }, reason => { + console.error(`Unable to get text content for page ${i + 1}`, reason); + this._pageContents[i] = ""; + this._pageDiffs[i] = null; + this._hasDiacritics[i] = false; + extractTextCapability.resolve(); + }); + }); + } + } + #updatePage(index) { + if (this._scrollMatches && this._selected.pageIdx === index) { + this._linkService.page = index + 1; + } + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: index + }); + } + #updateAllPages() { + this._eventBus.dispatch("updatetextlayermatches", { + source: this, + pageIndex: -1 + }); + } + #nextMatch() { + const previous = this.#state.findPrevious; + const currentPageIndex = this._linkService.page - 1; + const numPages = this._linkService.pagesCount; + this._highlightMatches = true; + if (this._dirtyMatch) { + this._dirtyMatch = false; + this._selected.pageIdx = this._selected.matchIdx = -1; + this._offset.pageIdx = currentPageIndex; + this._offset.matchIdx = null; + this._offset.wrapped = false; + this._resumePageIdx = null; + this._pageMatches.length = 0; + this._pageMatchesLength.length = 0; + this.#visitedPagesCount = 0; + this._matchesCountTotal = 0; + this.#updateAllPages(); + for (let i = 0; i < numPages; i++) { + if (this._pendingFindMatches.has(i)) { + continue; + } + this._pendingFindMatches.add(i); + this._extractTextPromises[i].then(() => { + this._pendingFindMatches.delete(i); + this.#calculateMatch(i); + }); + } + } + const query = this.#query; + if (query.length === 0) { + this.#updateUIState(FindState.FOUND); + return; + } + if (this._resumePageIdx) { + return; + } + const offset = this._offset; + this._pagesToSearch = numPages; + if (offset.matchIdx !== null) { + const numPageMatches = this._pageMatches[offset.pageIdx].length; + if (!previous && offset.matchIdx + 1 < numPageMatches || previous && offset.matchIdx > 0) { + offset.matchIdx = previous ? offset.matchIdx - 1 : offset.matchIdx + 1; + this.#updateMatch(true); + return; + } + this.#advanceOffsetPage(previous); + } + this.#nextPageMatch(); + } + #matchesReady(matches) { + const offset = this._offset; + const numMatches = matches.length; + const previous = this.#state.findPrevious; + if (numMatches) { + offset.matchIdx = previous ? numMatches - 1 : 0; + this.#updateMatch(true); + return true; + } + this.#advanceOffsetPage(previous); + if (offset.wrapped) { + offset.matchIdx = null; + if (this._pagesToSearch < 0) { + this.#updateMatch(false); + return true; + } + } + return false; + } + #nextPageMatch() { + if (this._resumePageIdx !== null) { + console.error("There can only be one pending page."); + } + let matches = null; + do { + const pageIdx = this._offset.pageIdx; + matches = this._pageMatches[pageIdx]; + if (!matches) { + this._resumePageIdx = pageIdx; + break; + } + } while (!this.#matchesReady(matches)); + } + #advanceOffsetPage(previous) { + const offset = this._offset; + const numPages = this._linkService.pagesCount; + offset.pageIdx = previous ? offset.pageIdx - 1 : offset.pageIdx + 1; + offset.matchIdx = null; + this._pagesToSearch--; + if (offset.pageIdx >= numPages || offset.pageIdx < 0) { + offset.pageIdx = previous ? numPages - 1 : 0; + offset.wrapped = true; + } + } + #updateMatch(found = false) { + let state = FindState.NOT_FOUND; + const wrapped = this._offset.wrapped; + this._offset.wrapped = false; + if (found) { + const previousPage = this._selected.pageIdx; + this._selected.pageIdx = this._offset.pageIdx; + this._selected.matchIdx = this._offset.matchIdx; + state = wrapped ? FindState.WRAPPED : FindState.FOUND; + if (previousPage !== -1 && previousPage !== this._selected.pageIdx) { + this.#updatePage(previousPage); + } + } + this.#updateUIState(state, this.#state.findPrevious); + if (this._selected.pageIdx !== -1) { + this._scrollMatches = true; + this.#updatePage(this._selected.pageIdx); + } + } + #onFindBarClose(evt) { + const pdfDocument = this._pdfDocument; + this._firstPageCapability.promise.then(() => { + if (!this._pdfDocument || pdfDocument && this._pdfDocument !== pdfDocument) { + return; + } + if (this._findTimeout) { + clearTimeout(this._findTimeout); + this._findTimeout = null; + } + if (this._resumePageIdx) { + this._resumePageIdx = null; + this._dirtyMatch = true; + } + this.#updateUIState(FindState.FOUND); + this._highlightMatches = false; + this.#updateAllPages(); + }); + } + #requestMatchesCount() { + const { + pageIdx, + matchIdx + } = this._selected; + let current = 0, + total = this._matchesCountTotal; + if (matchIdx !== -1) { + for (let i = 0; i < pageIdx; i++) { + current += this._pageMatches[i]?.length || 0; + } + current += matchIdx + 1; + } + if (current < 1 || current > total) { + current = total = 0; + } + return { + current, + total + }; + } + #updateUIResultsCount() { + this._eventBus.dispatch("updatefindmatchescount", { + source: this, + matchesCount: this.#requestMatchesCount() + }); + } + #updateUIState(state, previous = false) { + if (!this.#updateMatchesCountOnProgress && (this.#visitedPagesCount !== this._linkService.pagesCount || state === FindState.PENDING)) { + return; + } + this._eventBus.dispatch("updatefindcontrolstate", { + source: this, + state, + previous, + matchesCount: this.#requestMatchesCount(), + rawQuery: this.#state?.query ?? null + }); + } +} + +;// CONCATENATED MODULE: ./web/pdf_find_bar.js + + +const MATCHES_COUNT_LIMIT = 1000; +class PDFFindBar { + #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); + constructor(options, eventBus) { + this.opened = false; + this.bar = options.bar; + this.toggleButton = options.toggleButton; + this.findField = options.findField; + this.highlightAll = options.highlightAllCheckbox; + this.caseSensitive = options.caseSensitiveCheckbox; + this.matchDiacritics = options.matchDiacriticsCheckbox; + this.entireWord = options.entireWordCheckbox; + this.findMsg = options.findMsg; + this.findResultsCount = options.findResultsCount; + this.findPreviousButton = options.findPreviousButton; + this.findNextButton = options.findNextButton; + this.eventBus = eventBus; + this.toggleButton.addEventListener("click", () => { + this.toggle(); + }); + this.findField.addEventListener("input", () => { + this.dispatchEvent(""); + }); + this.bar.addEventListener("keydown", e => { + switch (e.keyCode) { + case 13: + if (e.target === this.findField) { + this.dispatchEvent("again", e.shiftKey); + } + break; + case 27: + this.close(); + break; + } + }); + this.findPreviousButton.addEventListener("click", () => { + this.dispatchEvent("again", true); + }); + this.findNextButton.addEventListener("click", () => { + this.dispatchEvent("again", false); + }); + this.highlightAll.addEventListener("click", () => { + this.dispatchEvent("highlightallchange"); + }); + this.caseSensitive.addEventListener("click", () => { + this.dispatchEvent("casesensitivitychange"); + }); + this.entireWord.addEventListener("click", () => { + this.dispatchEvent("entirewordchange"); + }); + this.matchDiacritics.addEventListener("click", () => { + this.dispatchEvent("diacriticmatchingchange"); + }); + } + reset() { + this.updateUIState(); + } + dispatchEvent(type, findPrev = false) { + this.eventBus.dispatch("find", { + source: this, + type, + query: this.findField.value, + caseSensitive: this.caseSensitive.checked, + entireWord: this.entireWord.checked, + highlightAll: this.highlightAll.checked, + findPrevious: findPrev, + matchDiacritics: this.matchDiacritics.checked + }); + } + updateUIState(state, previous, matchesCount) { + const { + findField, + findMsg + } = this; + let findMsgId = "", + status = ""; + switch (state) { + case FindState.FOUND: + break; + case FindState.PENDING: + status = "pending"; + break; + case FindState.NOT_FOUND: + findMsgId = "pdfjs-find-not-found"; + status = "notFound"; + break; + case FindState.WRAPPED: + findMsgId = `pdfjs-find-reached-${previous ? "top" : "bottom"}`; + break; + } + findField.setAttribute("data-status", status); + findField.setAttribute("aria-invalid", state === FindState.NOT_FOUND); + findMsg.setAttribute("data-status", status); + if (findMsgId) { + findMsg.setAttribute("data-l10n-id", findMsgId); + } else { + findMsg.removeAttribute("data-l10n-id"); + findMsg.textContent = ""; + } + this.updateResultsCount(matchesCount); + } + updateResultsCount({ + current = 0, + total = 0 + } = {}) { + const { + findResultsCount + } = this; + if (total > 0) { + const limit = MATCHES_COUNT_LIMIT; + findResultsCount.setAttribute("data-l10n-id", `pdfjs-find-match-count${total > limit ? "-limit" : ""}`); + findResultsCount.setAttribute("data-l10n-args", JSON.stringify({ + limit, + current, + total + })); + } else { + findResultsCount.removeAttribute("data-l10n-id"); + findResultsCount.textContent = ""; + } + } + open() { + if (!this.opened) { + this.#resizeObserver.observe(this.bar.parentNode); + this.#resizeObserver.observe(this.bar); + this.opened = true; + toggleExpandedBtn(this.toggleButton, true, this.bar); + } + this.findField.select(); + this.findField.focus(); + } + close() { + if (!this.opened) { + return; + } + this.#resizeObserver.disconnect(); + this.opened = false; + toggleExpandedBtn(this.toggleButton, false, this.bar); + this.eventBus.dispatch("findbarclose", { + source: this + }); + } + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } + #resizeObserverCallback(entries) { + const { + bar + } = this; + bar.classList.remove("wrapContainers"); + const findbarHeight = bar.clientHeight; + const inputContainerHeight = bar.firstElementChild.clientHeight; + if (findbarHeight > inputContainerHeight) { + bar.classList.add("wrapContainers"); + } + } +} + +;// CONCATENATED MODULE: ./web/pdf_history.js + + +const HASH_CHANGE_TIMEOUT = 1000; +const POSITION_UPDATED_THRESHOLD = 50; +const UPDATE_VIEWAREA_TIMEOUT = 1000; +function getCurrentHash() { + return document.location.hash; +} +class PDFHistory { + constructor({ + linkService, + eventBus + }) { + this.linkService = linkService; + this.eventBus = eventBus; + this._initialized = false; + this._fingerprint = ""; + this.reset(); + this._boundEvents = null; + this.eventBus._on("pagesinit", () => { + this._isPagesLoaded = false; + this.eventBus._on("pagesloaded", evt => { + this._isPagesLoaded = !!evt.pagesCount; + }, { + once: true + }); + }); + } + initialize({ + fingerprint, + resetHistory = false, + updateUrl = false + }) { + if (!fingerprint || typeof fingerprint !== "string") { + console.error('PDFHistory.initialize: The "fingerprint" must be a non-empty string.'); + return; + } + if (this._initialized) { + this.reset(); + } + const reInitialized = this._fingerprint !== "" && this._fingerprint !== fingerprint; + this._fingerprint = fingerprint; + this._updateUrl = updateUrl === true; + this._initialized = true; + this._bindEvents(); + const state = window.history.state; + this._popStateInProgress = false; + this._blockHashChange = 0; + this._currentHash = getCurrentHash(); + this._numPositionUpdates = 0; + this._uid = this._maxUid = 0; + this._destination = null; + this._position = null; + if (!this._isValidState(state, true) || resetHistory) { + const { + hash, + page, + rotation + } = this._parseCurrentHash(true); + if (!hash || reInitialized || resetHistory) { + this._pushOrReplaceState(null, true); + return; + } + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if (destination.rotation !== undefined) { + this._initialRotation = destination.rotation; + } + if (destination.dest) { + this._initialBookmark = JSON.stringify(destination.dest); + this._destination.page = null; + } else if (destination.hash) { + this._initialBookmark = destination.hash; + } else if (destination.page) { + this._initialBookmark = `page=${destination.page}`; + } + } + reset() { + if (this._initialized) { + this._pageHide(); + this._initialized = false; + this._unbindEvents(); + } + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._initialBookmark = null; + this._initialRotation = null; + } + push({ + namedDest = null, + explicitDest, + pageNumber + }) { + if (!this._initialized) { + return; + } + if (namedDest && typeof namedDest !== "string") { + console.error("PDFHistory.push: " + `"${namedDest}" is not a valid namedDest parameter.`); + return; + } else if (!Array.isArray(explicitDest)) { + console.error("PDFHistory.push: " + `"${explicitDest}" is not a valid explicitDest parameter.`); + return; + } else if (!this._isValidPage(pageNumber)) { + if (pageNumber !== null || this._destination) { + console.error("PDFHistory.push: " + `"${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + } + const hash = namedDest || JSON.stringify(explicitDest); + if (!hash) { + return; + } + let forceReplace = false; + if (this._destination && (isDestHashesEqual(this._destination.hash, hash) || isDestArraysEqual(this._destination.dest, explicitDest))) { + if (this._destination.page) { + return; + } + forceReplace = true; + } + if (this._popStateInProgress && !forceReplace) { + return; + } + this._pushOrReplaceState({ + dest: explicitDest, + hash, + page: pageNumber, + rotation: this.linkService.rotation + }, forceReplace); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + pushPage(pageNumber) { + if (!this._initialized) { + return; + } + if (!this._isValidPage(pageNumber)) { + console.error(`PDFHistory.pushPage: "${pageNumber}" is not a valid page number.`); + return; + } + if (this._destination?.page === pageNumber) { + return; + } + if (this._popStateInProgress) { + return; + } + this._pushOrReplaceState({ + dest: null, + hash: `page=${pageNumber}`, + page: pageNumber, + rotation: this.linkService.rotation + }); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + pushCurrentPosition() { + if (!this._initialized || this._popStateInProgress) { + return; + } + this._tryPushCurrentPosition(); + } + back() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid > 0) { + window.history.back(); + } + } + forward() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid < this._maxUid) { + window.history.forward(); + } + } + get popStateInProgress() { + return this._initialized && (this._popStateInProgress || this._blockHashChange > 0); + } + get initialBookmark() { + return this._initialized ? this._initialBookmark : null; + } + get initialRotation() { + return this._initialized ? this._initialRotation : null; + } + _pushOrReplaceState(destination, forceReplace = false) { + const shouldReplace = forceReplace || !this._destination; + const newState = { + fingerprint: this._fingerprint, + uid: shouldReplace ? this._uid : this._uid + 1, + destination + }; + this._updateInternalState(destination, newState.uid); + let newUrl; + if (this._updateUrl && destination?.hash) { + const baseUrl = document.location.href.split("#", 1)[0]; + if (!baseUrl.startsWith("file://")) { + newUrl = `${baseUrl}#${destination.hash}`; + } + } + if (shouldReplace) { + window.history.replaceState(newState, "", newUrl); + } else { + window.history.pushState(newState, "", newUrl); + } + } + _tryPushCurrentPosition(temporary = false) { + if (!this._position) { + return; + } + let position = this._position; + if (temporary) { + position = Object.assign(Object.create(null), this._position); + position.temporary = true; + } + if (!this._destination) { + this._pushOrReplaceState(position); + return; + } + if (this._destination.temporary) { + this._pushOrReplaceState(position, true); + return; + } + if (this._destination.hash === position.hash) { + return; + } + if (!this._destination.page && (POSITION_UPDATED_THRESHOLD <= 0 || this._numPositionUpdates <= POSITION_UPDATED_THRESHOLD)) { + return; + } + let forceReplace = false; + if (this._destination.page >= position.first && this._destination.page <= position.page) { + if (this._destination.dest !== undefined || !this._destination.first) { + return; + } + forceReplace = true; + } + this._pushOrReplaceState(position, forceReplace); + } + _isValidPage(val) { + return Number.isInteger(val) && val > 0 && val <= this.linkService.pagesCount; + } + _isValidState(state, checkReload = false) { + if (!state) { + return false; + } + if (state.fingerprint !== this._fingerprint) { + if (checkReload) { + if (typeof state.fingerprint !== "string" || state.fingerprint.length !== this._fingerprint.length) { + return false; + } + const [perfEntry] = performance.getEntriesByType("navigation"); + if (perfEntry?.type !== "reload") { + return false; + } + } else { + return false; + } + } + if (!Number.isInteger(state.uid) || state.uid < 0) { + return false; + } + if (state.destination === null || typeof state.destination !== "object") { + return false; + } + return true; + } + _updateInternalState(destination, uid, removeTemporary = false) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + if (removeTemporary && destination?.temporary) { + delete destination.temporary; + } + this._destination = destination; + this._uid = uid; + this._maxUid = Math.max(this._maxUid, uid); + this._numPositionUpdates = 0; + } + _parseCurrentHash(checkNameddest = false) { + const hash = unescape(getCurrentHash()).substring(1); + const params = parseQueryString(hash); + const nameddest = params.get("nameddest") || ""; + let page = params.get("page") | 0; + if (!this._isValidPage(page) || checkNameddest && nameddest.length > 0) { + page = null; + } + return { + hash, + page, + rotation: this.linkService.rotation + }; + } + _updateViewarea({ + location + }) { + if (this._updateViewareaTimeout) { + clearTimeout(this._updateViewareaTimeout); + this._updateViewareaTimeout = null; + } + this._position = { + hash: location.pdfOpenParams.substring(1), + page: this.linkService.page, + first: location.pageNumber, + rotation: location.rotation + }; + if (this._popStateInProgress) { + return; + } + if (POSITION_UPDATED_THRESHOLD > 0 && this._isPagesLoaded && this._destination && !this._destination.page) { + this._numPositionUpdates++; + } + if (UPDATE_VIEWAREA_TIMEOUT > 0) { + this._updateViewareaTimeout = setTimeout(() => { + if (!this._popStateInProgress) { + this._tryPushCurrentPosition(true); + } + this._updateViewareaTimeout = null; + }, UPDATE_VIEWAREA_TIMEOUT); + } + } + _popState({ + state + }) { + const newHash = getCurrentHash(), + hashChanged = this._currentHash !== newHash; + this._currentHash = newHash; + if (!state) { + this._uid++; + const { + hash, + page, + rotation + } = this._parseCurrentHash(); + this._pushOrReplaceState({ + hash, + page, + rotation + }, true); + return; + } + if (!this._isValidState(state)) { + return; + } + this._popStateInProgress = true; + if (hashChanged) { + this._blockHashChange++; + waitOnEventOrTimeout({ + target: window, + name: "hashchange", + delay: HASH_CHANGE_TIMEOUT + }).then(() => { + this._blockHashChange--; + }); + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if (isValidRotation(destination.rotation)) { + this.linkService.rotation = destination.rotation; + } + if (destination.dest) { + this.linkService.goToDestination(destination.dest); + } else if (destination.hash) { + this.linkService.setHash(destination.hash); + } else if (destination.page) { + this.linkService.page = destination.page; + } + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + _pageHide() { + if (!this._destination || this._destination.temporary) { + this._tryPushCurrentPosition(); + } + } + _bindEvents() { + if (this._boundEvents) { + return; + } + this._boundEvents = { + updateViewarea: this._updateViewarea.bind(this), + popState: this._popState.bind(this), + pageHide: this._pageHide.bind(this) + }; + this.eventBus._on("updateviewarea", this._boundEvents.updateViewarea); + window.addEventListener("popstate", this._boundEvents.popState); + window.addEventListener("pagehide", this._boundEvents.pageHide); + } + _unbindEvents() { + if (!this._boundEvents) { + return; + } + this.eventBus._off("updateviewarea", this._boundEvents.updateViewarea); + window.removeEventListener("popstate", this._boundEvents.popState); + window.removeEventListener("pagehide", this._boundEvents.pageHide); + this._boundEvents = null; + } +} +function isDestHashesEqual(destHash, pushHash) { + if (typeof destHash !== "string" || typeof pushHash !== "string") { + return false; + } + if (destHash === pushHash) { + return true; + } + const nameddest = parseQueryString(destHash).get("nameddest"); + if (nameddest === pushHash) { + return true; + } + return false; +} +function isDestArraysEqual(firstDest, secondDest) { + function isEntryEqual(first, second) { + if (typeof first !== typeof second) { + return false; + } + if (Array.isArray(first) || Array.isArray(second)) { + return false; + } + if (first !== null && typeof first === "object" && second !== null) { + if (Object.keys(first).length !== Object.keys(second).length) { + return false; + } + for (const key in first) { + if (!isEntryEqual(first[key], second[key])) { + return false; + } + } + return true; + } + return first === second || Number.isNaN(first) && Number.isNaN(second); + } + if (!(Array.isArray(firstDest) && Array.isArray(secondDest))) { + return false; + } + if (firstDest.length !== secondDest.length) { + return false; + } + for (let i = 0, ii = firstDest.length; i < ii; i++) { + if (!isEntryEqual(firstDest[i], secondDest[i])) { + return false; + } + } + return true; +} + +;// CONCATENATED MODULE: ./web/pdf_layer_viewer.js + +class PDFLayerViewer extends BaseTreeViewer { + constructor(options) { + super(options); + this.eventBus._on("optionalcontentconfigchanged", evt => { + this.#updateLayers(evt.promise); + }); + this.eventBus._on("resetlayers", () => { + this.#updateLayers(); + }); + this.eventBus._on("togglelayerstree", this._toggleAllTreeItems.bind(this)); + } + reset() { + super.reset(); + this._optionalContentConfig = null; + this._optionalContentHash = null; + } + _dispatchEvent(layersCount) { + this.eventBus.dispatch("layersloaded", { + source: this, + layersCount + }); + } + _bindLink(element, { + groupId, + input + }) { + const setVisibility = () => { + this._optionalContentConfig.setVisibility(groupId, input.checked); + this._optionalContentHash = this._optionalContentConfig.getHash(); + this.eventBus.dispatch("optionalcontentconfig", { + source: this, + promise: Promise.resolve(this._optionalContentConfig) + }); + }; + element.onclick = evt => { + if (evt.target === input) { + setVisibility(); + return true; + } else if (evt.target !== element) { + return true; + } + input.checked = !input.checked; + setVisibility(); + return false; + }; + } + async _setNestedName(element, { + name = null + }) { + if (typeof name === "string") { + element.textContent = this._normalizeTextContent(name); + return; + } + element.textContent = await this._l10n.get("pdfjs-additional-layers"); + element.style.fontStyle = "italic"; + } + _addToggleButton(div, { + name = null + }) { + super._addToggleButton(div, name === null); + } + _toggleAllTreeItems() { + if (!this._optionalContentConfig) { + return; + } + super._toggleAllTreeItems(); + } + render({ + optionalContentConfig, + pdfDocument + }) { + if (this._optionalContentConfig) { + this.reset(); + } + this._optionalContentConfig = optionalContentConfig || null; + this._pdfDocument = pdfDocument || null; + const groups = optionalContentConfig?.getOrder(); + if (!groups) { + this._dispatchEvent(0); + return; + } + this._optionalContentHash = optionalContentConfig.getHash(); + const fragment = document.createDocumentFragment(), + queue = [{ + parent: fragment, + groups + }]; + let layersCount = 0, + hasAnyNesting = false; + while (queue.length > 0) { + const levelData = queue.shift(); + for (const groupId of levelData.groups) { + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + div.append(element); + if (typeof groupId === "object") { + hasAnyNesting = true; + this._addToggleButton(div, groupId); + this._setNestedName(element, groupId); + const itemsDiv = document.createElement("div"); + itemsDiv.className = "treeItems"; + div.append(itemsDiv); + queue.push({ + parent: itemsDiv, + groups: groupId.order + }); + } else { + const group = optionalContentConfig.getGroup(groupId); + const input = document.createElement("input"); + this._bindLink(element, { + groupId, + input + }); + input.type = "checkbox"; + input.checked = group.visible; + const label = document.createElement("label"); + label.textContent = this._normalizeTextContent(group.name); + label.append(input); + element.append(label); + layersCount++; + } + levelData.parent.append(div); + } + } + this._finishRendering(fragment, layersCount, hasAnyNesting); + } + async #updateLayers(promise = null) { + if (!this._optionalContentConfig) { + return; + } + const pdfDocument = this._pdfDocument; + const optionalContentConfig = await (promise || pdfDocument.getOptionalContentConfig()); + if (pdfDocument !== this._pdfDocument) { + return; + } + if (promise) { + if (optionalContentConfig.getHash() === this._optionalContentHash) { + return; + } + } else { + this.eventBus.dispatch("optionalcontentconfig", { + source: this, + promise: Promise.resolve(optionalContentConfig) + }); + } + this.render({ + optionalContentConfig, + pdfDocument: this._pdfDocument + }); + } +} + +;// CONCATENATED MODULE: ./web/pdf_outline_viewer.js + + + +class PDFOutlineViewer extends BaseTreeViewer { + constructor(options) { + super(options); + this.linkService = options.linkService; + this.downloadManager = options.downloadManager; + this.eventBus._on("toggleoutlinetree", this._toggleAllTreeItems.bind(this)); + this.eventBus._on("currentoutlineitem", this._currentOutlineItem.bind(this)); + this.eventBus._on("pagechanging", evt => { + this._currentPageNumber = evt.pageNumber; + }); + this.eventBus._on("pagesloaded", evt => { + this._isPagesLoaded = !!evt.pagesCount; + if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { + this._currentOutlineItemCapability.resolve(this._isPagesLoaded); + } + }); + this.eventBus._on("sidebarviewchanged", evt => { + this._sidebarView = evt.view; + }); + } + reset() { + super.reset(); + this._outline = null; + this._pageNumberToDestHashCapability = null; + this._currentPageNumber = 1; + this._isPagesLoaded = null; + if (this._currentOutlineItemCapability && !this._currentOutlineItemCapability.settled) { + this._currentOutlineItemCapability.resolve(false); + } + this._currentOutlineItemCapability = null; + } + _dispatchEvent(outlineCount) { + this._currentOutlineItemCapability = new PromiseCapability(); + if (outlineCount === 0 || this._pdfDocument?.loadingParams.disableAutoFetch) { + this._currentOutlineItemCapability.resolve(false); + } else if (this._isPagesLoaded !== null) { + this._currentOutlineItemCapability.resolve(this._isPagesLoaded); + } + this.eventBus.dispatch("outlineloaded", { + source: this, + outlineCount, + currentOutlineItemPromise: this._currentOutlineItemCapability.promise + }); + } + _bindLink(element, { + url, + newWindow, + action, + attachment, + dest, + setOCGState + }) { + const { + linkService + } = this; + if (url) { + linkService.addLinkAttributes(element, url, newWindow); + return; + } + if (action) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + linkService.executeNamedAction(action); + return false; + }; + return; + } + if (attachment) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + this.downloadManager.openOrDownloadData(attachment.content, attachment.filename); + return false; + }; + return; + } + if (setOCGState) { + element.href = linkService.getAnchorUrl(""); + element.onclick = () => { + linkService.executeSetOCGState(setOCGState); + return false; + }; + return; + } + element.href = linkService.getDestinationHash(dest); + element.onclick = evt => { + this._updateCurrentTreeItem(evt.target.parentNode); + if (dest) { + linkService.goToDestination(dest); + } + return false; + }; + } + _setStyles(element, { + bold, + italic + }) { + if (bold) { + element.style.fontWeight = "bold"; + } + if (italic) { + element.style.fontStyle = "italic"; + } + } + _addToggleButton(div, { + count, + items + }) { + let hidden = false; + if (count < 0) { + let totalCount = items.length; + if (totalCount > 0) { + const queue = [...items]; + while (queue.length > 0) { + const { + count: nestedCount, + items: nestedItems + } = queue.shift(); + if (nestedCount > 0 && nestedItems.length > 0) { + totalCount += nestedItems.length; + queue.push(...nestedItems); + } + } + } + if (Math.abs(count) === totalCount) { + hidden = true; + } + } + super._addToggleButton(div, hidden); + } + _toggleAllTreeItems() { + if (!this._outline) { + return; + } + super._toggleAllTreeItems(); + } + render({ + outline, + pdfDocument + }) { + if (this._outline) { + this.reset(); + } + this._outline = outline || null; + this._pdfDocument = pdfDocument || null; + if (!outline) { + this._dispatchEvent(0); + return; + } + const fragment = document.createDocumentFragment(); + const queue = [{ + parent: fragment, + items: outline + }]; + let outlineCount = 0, + hasAnyNesting = false; + while (queue.length > 0) { + const levelData = queue.shift(); + for (const item of levelData.items) { + const div = document.createElement("div"); + div.className = "treeItem"; + const element = document.createElement("a"); + this._bindLink(element, item); + this._setStyles(element, item); + element.textContent = this._normalizeTextContent(item.title); + div.append(element); + if (item.items.length > 0) { + hasAnyNesting = true; + this._addToggleButton(div, item); + const itemsDiv = document.createElement("div"); + itemsDiv.className = "treeItems"; + div.append(itemsDiv); + queue.push({ + parent: itemsDiv, + items: item.items + }); + } + levelData.parent.append(div); + outlineCount++; + } + } + this._finishRendering(fragment, outlineCount, hasAnyNesting); + } + async _currentOutlineItem() { + if (!this._isPagesLoaded) { + throw new Error("_currentOutlineItem: All pages have not been loaded."); + } + if (!this._outline || !this._pdfDocument) { + return; + } + const pageNumberToDestHash = await this._getPageNumberToDestHash(this._pdfDocument); + if (!pageNumberToDestHash) { + return; + } + this._updateCurrentTreeItem(null); + if (this._sidebarView !== SidebarView.OUTLINE) { + return; + } + for (let i = this._currentPageNumber; i > 0; i--) { + const destHash = pageNumberToDestHash.get(i); + if (!destHash) { + continue; + } + const linkElement = this.container.querySelector(`a[href="${destHash}"]`); + if (!linkElement) { + continue; + } + this._scrollToCurrentTreeItem(linkElement.parentNode); + break; + } + } + async _getPageNumberToDestHash(pdfDocument) { + if (this._pageNumberToDestHashCapability) { + return this._pageNumberToDestHashCapability.promise; + } + this._pageNumberToDestHashCapability = new PromiseCapability(); + const pageNumberToDestHash = new Map(), + pageNumberNesting = new Map(); + const queue = [{ + nesting: 0, + items: this._outline + }]; + while (queue.length > 0) { + const levelData = queue.shift(), + currentNesting = levelData.nesting; + for (const { + dest, + items + } of levelData.items) { + let explicitDest, pageNumber; + if (typeof dest === "string") { + explicitDest = await pdfDocument.getDestination(dest); + if (pdfDocument !== this._pdfDocument) { + return null; + } + } else { + explicitDest = dest; + } + if (Array.isArray(explicitDest)) { + const [destRef] = explicitDest; + if (typeof destRef === "object" && destRef !== null) { + pageNumber = this.linkService._cachedPageNumber(destRef); + if (!pageNumber) { + try { + pageNumber = (await pdfDocument.getPageIndex(destRef)) + 1; + if (pdfDocument !== this._pdfDocument) { + return null; + } + this.linkService.cachePageRef(pageNumber, destRef); + } catch {} + } + } else if (Number.isInteger(destRef)) { + pageNumber = destRef + 1; + } + if (Number.isInteger(pageNumber) && (!pageNumberToDestHash.has(pageNumber) || currentNesting > pageNumberNesting.get(pageNumber))) { + const destHash = this.linkService.getDestinationHash(dest); + pageNumberToDestHash.set(pageNumber, destHash); + pageNumberNesting.set(pageNumber, currentNesting); + } + } + if (items.length > 0) { + queue.push({ + nesting: currentNesting + 1, + items + }); + } + } + } + this._pageNumberToDestHashCapability.resolve(pageNumberToDestHash.size > 0 ? pageNumberToDestHash : null); + return this._pageNumberToDestHashCapability.promise; + } +} + +;// CONCATENATED MODULE: ./web/pdf_presentation_mode.js + + +const DELAY_BEFORE_HIDING_CONTROLS = 3000; +const ACTIVE_SELECTOR = "pdfPresentationMode"; +const CONTROLS_SELECTOR = "pdfPresentationModeControls"; +const MOUSE_SCROLL_COOLDOWN_TIME = 50; +const PAGE_SWITCH_THRESHOLD = 0.1; +const SWIPE_MIN_DISTANCE_THRESHOLD = 50; +const SWIPE_ANGLE_THRESHOLD = Math.PI / 6; +class PDFPresentationMode { + #state = PresentationModeState.UNKNOWN; + #args = null; + constructor({ + container, + pdfViewer, + eventBus + }) { + this.container = container; + this.pdfViewer = pdfViewer; + this.eventBus = eventBus; + this.contextMenuOpen = false; + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + this.touchSwipeState = null; + } + async request() { + const { + container, + pdfViewer + } = this; + if (this.active || !pdfViewer.pagesCount || !container.requestFullscreen) { + return false; + } + this.#addFullscreenChangeListeners(); + this.#notifyStateChange(PresentationModeState.CHANGING); + const promise = container.requestFullscreen(); + this.#args = { + pageNumber: pdfViewer.currentPageNumber, + scaleValue: pdfViewer.currentScaleValue, + scrollMode: pdfViewer.scrollMode, + spreadMode: null, + annotationEditorMode: null + }; + if (pdfViewer.spreadMode !== SpreadMode.NONE && !(pdfViewer.pageViewsReady && pdfViewer.hasEqualPageSizes)) { + console.warn("Ignoring Spread modes when entering PresentationMode, " + "since the document may contain varying page sizes."); + this.#args.spreadMode = pdfViewer.spreadMode; + } + if (pdfViewer.annotationEditorMode !== AnnotationEditorType.DISABLE) { + this.#args.annotationEditorMode = pdfViewer.annotationEditorMode; + } + try { + await promise; + pdfViewer.focus(); + return true; + } catch { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(PresentationModeState.NORMAL); + } + return false; + } + get active() { + return this.#state === PresentationModeState.CHANGING || this.#state === PresentationModeState.FULLSCREEN; + } + #mouseWheel(evt) { + if (!this.active) { + return; + } + evt.preventDefault(); + const delta = normalizeWheelEventDelta(evt); + const currentTime = Date.now(); + const storedTime = this.mouseScrollTimeStamp; + if (currentTime > storedTime && currentTime - storedTime < MOUSE_SCROLL_COOLDOWN_TIME) { + return; + } + if (this.mouseScrollDelta > 0 && delta < 0 || this.mouseScrollDelta < 0 && delta > 0) { + this.#resetMouseScrollState(); + } + this.mouseScrollDelta += delta; + if (Math.abs(this.mouseScrollDelta) >= PAGE_SWITCH_THRESHOLD) { + const totalDelta = this.mouseScrollDelta; + this.#resetMouseScrollState(); + const success = totalDelta > 0 ? this.pdfViewer.previousPage() : this.pdfViewer.nextPage(); + if (success) { + this.mouseScrollTimeStamp = currentTime; + } + } + } + #notifyStateChange(state) { + this.#state = state; + this.eventBus.dispatch("presentationmodechanged", { + source: this, + state + }); + } + #enter() { + this.#notifyStateChange(PresentationModeState.FULLSCREEN); + this.container.classList.add(ACTIVE_SELECTOR); + setTimeout(() => { + this.pdfViewer.scrollMode = ScrollMode.PAGE; + if (this.#args.spreadMode !== null) { + this.pdfViewer.spreadMode = SpreadMode.NONE; + } + this.pdfViewer.currentPageNumber = this.#args.pageNumber; + this.pdfViewer.currentScaleValue = "page-fit"; + if (this.#args.annotationEditorMode !== null) { + this.pdfViewer.annotationEditorMode = { + mode: AnnotationEditorType.NONE + }; + } + }, 0); + this.#addWindowListeners(); + this.#showControls(); + this.contextMenuOpen = false; + document.getSelection().empty(); + } + #exit() { + const pageNumber = this.pdfViewer.currentPageNumber; + this.container.classList.remove(ACTIVE_SELECTOR); + setTimeout(() => { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(PresentationModeState.NORMAL); + this.pdfViewer.scrollMode = this.#args.scrollMode; + if (this.#args.spreadMode !== null) { + this.pdfViewer.spreadMode = this.#args.spreadMode; + } + this.pdfViewer.currentScaleValue = this.#args.scaleValue; + this.pdfViewer.currentPageNumber = pageNumber; + if (this.#args.annotationEditorMode !== null) { + this.pdfViewer.annotationEditorMode = { + mode: this.#args.annotationEditorMode + }; + } + this.#args = null; + }, 0); + this.#removeWindowListeners(); + this.#hideControls(); + this.#resetMouseScrollState(); + this.contextMenuOpen = false; + } + #mouseDown(evt) { + if (this.contextMenuOpen) { + this.contextMenuOpen = false; + evt.preventDefault(); + return; + } + if (evt.button !== 0) { + return; + } + if (evt.target.href && evt.target.parentNode?.hasAttribute("data-internal-link")) { + return; + } + evt.preventDefault(); + if (evt.shiftKey) { + this.pdfViewer.previousPage(); + } else { + this.pdfViewer.nextPage(); + } + } + #contextMenu() { + this.contextMenuOpen = true; + } + #showControls() { + if (this.controlsTimeout) { + clearTimeout(this.controlsTimeout); + } else { + this.container.classList.add(CONTROLS_SELECTOR); + } + this.controlsTimeout = setTimeout(() => { + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + }, DELAY_BEFORE_HIDING_CONTROLS); + } + #hideControls() { + if (!this.controlsTimeout) { + return; + } + clearTimeout(this.controlsTimeout); + this.container.classList.remove(CONTROLS_SELECTOR); + delete this.controlsTimeout; + } + #resetMouseScrollState() { + this.mouseScrollTimeStamp = 0; + this.mouseScrollDelta = 0; + } + #touchSwipe(evt) { + if (!this.active) { + return; + } + if (evt.touches.length > 1) { + this.touchSwipeState = null; + return; + } + switch (evt.type) { + case "touchstart": + this.touchSwipeState = { + startX: evt.touches[0].pageX, + startY: evt.touches[0].pageY, + endX: evt.touches[0].pageX, + endY: evt.touches[0].pageY + }; + break; + case "touchmove": + if (this.touchSwipeState === null) { + return; + } + this.touchSwipeState.endX = evt.touches[0].pageX; + this.touchSwipeState.endY = evt.touches[0].pageY; + evt.preventDefault(); + break; + case "touchend": + if (this.touchSwipeState === null) { + return; + } + let delta = 0; + const dx = this.touchSwipeState.endX - this.touchSwipeState.startX; + const dy = this.touchSwipeState.endY - this.touchSwipeState.startY; + const absAngle = Math.abs(Math.atan2(dy, dx)); + if (Math.abs(dx) > SWIPE_MIN_DISTANCE_THRESHOLD && (absAngle <= SWIPE_ANGLE_THRESHOLD || absAngle >= Math.PI - SWIPE_ANGLE_THRESHOLD)) { + delta = dx; + } else if (Math.abs(dy) > SWIPE_MIN_DISTANCE_THRESHOLD && Math.abs(absAngle - Math.PI / 2) <= SWIPE_ANGLE_THRESHOLD) { + delta = dy; + } + if (delta > 0) { + this.pdfViewer.previousPage(); + } else if (delta < 0) { + this.pdfViewer.nextPage(); + } + break; + } + } + #addWindowListeners() { + this.showControlsBind = this.#showControls.bind(this); + this.mouseDownBind = this.#mouseDown.bind(this); + this.mouseWheelBind = this.#mouseWheel.bind(this); + this.resetMouseScrollStateBind = this.#resetMouseScrollState.bind(this); + this.contextMenuBind = this.#contextMenu.bind(this); + this.touchSwipeBind = this.#touchSwipe.bind(this); + window.addEventListener("mousemove", this.showControlsBind); + window.addEventListener("mousedown", this.mouseDownBind); + window.addEventListener("wheel", this.mouseWheelBind, { + passive: false + }); + window.addEventListener("keydown", this.resetMouseScrollStateBind); + window.addEventListener("contextmenu", this.contextMenuBind); + window.addEventListener("touchstart", this.touchSwipeBind); + window.addEventListener("touchmove", this.touchSwipeBind); + window.addEventListener("touchend", this.touchSwipeBind); + } + #removeWindowListeners() { + window.removeEventListener("mousemove", this.showControlsBind); + window.removeEventListener("mousedown", this.mouseDownBind); + window.removeEventListener("wheel", this.mouseWheelBind, { + passive: false + }); + window.removeEventListener("keydown", this.resetMouseScrollStateBind); + window.removeEventListener("contextmenu", this.contextMenuBind); + window.removeEventListener("touchstart", this.touchSwipeBind); + window.removeEventListener("touchmove", this.touchSwipeBind); + window.removeEventListener("touchend", this.touchSwipeBind); + delete this.showControlsBind; + delete this.mouseDownBind; + delete this.mouseWheelBind; + delete this.resetMouseScrollStateBind; + delete this.contextMenuBind; + delete this.touchSwipeBind; + } + #fullscreenChange() { + if (document.fullscreenElement) { + this.#enter(); + } else { + this.#exit(); + } + } + #addFullscreenChangeListeners() { + this.fullscreenChangeBind = this.#fullscreenChange.bind(this); + window.addEventListener("fullscreenchange", this.fullscreenChangeBind); + } + #removeFullscreenChangeListeners() { + window.removeEventListener("fullscreenchange", this.fullscreenChangeBind); + delete this.fullscreenChangeBind; + } +} + +;// CONCATENATED MODULE: ./web/xfa_layer_builder.js + +class XfaLayerBuilder { + constructor({ + pdfPage, + annotationStorage = null, + linkService, + xfaHtml = null + }) { + this.pdfPage = pdfPage; + this.annotationStorage = annotationStorage; + this.linkService = linkService; + this.xfaHtml = xfaHtml; + this.div = null; + this._cancelled = false; + } + async render(viewport, intent = "display") { + if (intent === "print") { + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml: this.xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + this.div = document.createElement("div"); + parameters.div = this.div; + return XfaLayer.render(parameters); + } + const xfaHtml = await this.pdfPage.getXfa(); + if (this._cancelled || !xfaHtml) { + return { + textDivs: [] + }; + } + const parameters = { + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + xfaHtml, + annotationStorage: this.annotationStorage, + linkService: this.linkService, + intent + }; + if (this.div) { + return XfaLayer.update(parameters); + } + this.div = document.createElement("div"); + parameters.div = this.div; + return XfaLayer.render(parameters); + } + cancel() { + this._cancelled = true; + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } +} + +;// CONCATENATED MODULE: ./web/print_utils.js + + + +function getXfaHtmlForPrinting(printContainer, pdfDocument) { + const xfaHtml = pdfDocument.allXfaHtml; + const linkService = new SimpleLinkService(); + const scale = Math.round(PixelsPerInch.PDF_TO_CSS_UNITS * 100) / 100; + for (const xfaPage of xfaHtml.children) { + const page = document.createElement("div"); + page.className = "xfaPrintedPage"; + printContainer.append(page); + const builder = new XfaLayerBuilder({ + pdfPage: null, + annotationStorage: pdfDocument.annotationStorage, + linkService, + xfaHtml: xfaPage + }); + const viewport = getXfaPageViewport(xfaPage, { + scale + }); + builder.render(viewport, "print"); + page.append(builder.div); + } +} + +;// CONCATENATED MODULE: ./web/firefox_print_service.js + + +function composePage(pdfDocument, pageNumber, size, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { + const canvas = document.createElement("canvas"); + const PRINT_UNITS = printResolution / PixelsPerInch.PDF; + canvas.width = Math.floor(size.width * PRINT_UNITS); + canvas.height = Math.floor(size.height * PRINT_UNITS); + const canvasWrapper = document.createElement("div"); + canvasWrapper.className = "printedPage"; + canvasWrapper.append(canvas); + printContainer.append(canvasWrapper); + let currentRenderTask = null; + canvas.mozPrintCallback = function (obj) { + const ctx = obj.context; + ctx.save(); + ctx.fillStyle = "rgb(255, 255, 255)"; + ctx.fillRect(0, 0, canvas.width, canvas.height); + ctx.restore(); + let thisRenderTask = null; + Promise.all([pdfDocument.getPage(pageNumber), printAnnotationStoragePromise]).then(function ([pdfPage, printAnnotationStorage]) { + if (currentRenderTask) { + currentRenderTask.cancel(); + currentRenderTask = null; + } + const renderContext = { + canvasContext: ctx, + transform: [PRINT_UNITS, 0, 0, PRINT_UNITS, 0, 0], + viewport: pdfPage.getViewport({ + scale: 1, + rotation: size.rotation + }), + intent: "print", + annotationMode: AnnotationMode.ENABLE_STORAGE, + optionalContentConfigPromise, + printAnnotationStorage + }; + currentRenderTask = thisRenderTask = pdfPage.render(renderContext); + return thisRenderTask.promise; + }).then(function () { + if (currentRenderTask === thisRenderTask) { + currentRenderTask = null; + } + obj.done(); + }, function (reason) { + if (!(reason instanceof RenderingCancelledException)) { + console.error(reason); + } + if (currentRenderTask === thisRenderTask) { + currentRenderTask.cancel(); + currentRenderTask = null; + } + if ("abort" in obj) { + obj.abort(); + } else { + obj.done(); + } + }); + }; +} +class FirefoxPrintService { + constructor({ + pdfDocument, + pagesOverview, + printContainer, + printResolution, + optionalContentConfigPromise = null, + printAnnotationStoragePromise = null + }) { + this.pdfDocument = pdfDocument; + this.pagesOverview = pagesOverview; + this.printContainer = printContainer; + this._printResolution = printResolution || 150; + this._optionalContentConfigPromise = optionalContentConfigPromise || pdfDocument.getOptionalContentConfig(); + this._printAnnotationStoragePromise = printAnnotationStoragePromise || Promise.resolve(); + } + layout() { + const { + pdfDocument, + pagesOverview, + printContainer, + _printResolution, + _optionalContentConfigPromise, + _printAnnotationStoragePromise + } = this; + const body = document.querySelector("body"); + body.setAttribute("data-pdfjsprinting", true); + const { + width, + height + } = this.pagesOverview[0]; + const hasEqualPageSizes = this.pagesOverview.every(size => size.width === width && size.height === height); + if (!hasEqualPageSizes) { + console.warn("Not all pages have the same size. The printed result may be incorrect!"); + } + this.pageStyleSheet = document.createElement("style"); + this.pageStyleSheet.textContent = `@page { size: ${width}pt ${height}pt;}`; + body.append(this.pageStyleSheet); + if (pdfDocument.isPureXfa) { + getXfaHtmlForPrinting(printContainer, pdfDocument); + return; + } + for (let i = 0, ii = pagesOverview.length; i < ii; ++i) { + composePage(pdfDocument, i + 1, pagesOverview[i], printContainer, _printResolution, _optionalContentConfigPromise, _printAnnotationStoragePromise); + } + } + destroy() { + this.printContainer.textContent = ""; + const body = document.querySelector("body"); + body.removeAttribute("data-pdfjsprinting"); + if (this.pageStyleSheet) { + this.pageStyleSheet.remove(); + this.pageStyleSheet = null; + } + } +} +class PDFPrintServiceFactory { + static get supportsPrinting() { + const canvas = document.createElement("canvas"); + return shadow(this, "supportsPrinting", "mozPrintCallback" in canvas); + } + static createPrintService(params) { + return new FirefoxPrintService(params); + } +} + +;// CONCATENATED MODULE: ./web/pdf_rendering_queue.js + + +const CLEANUP_TIMEOUT = 30000; +class PDFRenderingQueue { + constructor() { + this.pdfViewer = null; + this.pdfThumbnailViewer = null; + this.onIdle = null; + this.highestPriorityPage = null; + this.idleTimeout = null; + this.printing = false; + this.isThumbnailViewEnabled = false; + } + setViewer(pdfViewer) { + this.pdfViewer = pdfViewer; + } + setThumbnailViewer(pdfThumbnailViewer) { + this.pdfThumbnailViewer = pdfThumbnailViewer; + } + isHighestPriority(view) { + return this.highestPriorityPage === view.renderingId; + } + renderHighestPriority(currentlyVisiblePages) { + if (this.idleTimeout) { + clearTimeout(this.idleTimeout); + this.idleTimeout = null; + } + if (this.pdfViewer.forceRendering(currentlyVisiblePages)) { + return; + } + if (this.isThumbnailViewEnabled && this.pdfThumbnailViewer?.forceRendering()) { + return; + } + if (this.printing) { + return; + } + if (this.onIdle) { + this.idleTimeout = setTimeout(this.onIdle.bind(this), CLEANUP_TIMEOUT); + } + } + getHighestPriority(visible, views, scrolledDown, preRenderExtra = false) { + const visibleViews = visible.views, + numVisible = visibleViews.length; + if (numVisible === 0) { + return null; + } + for (let i = 0; i < numVisible; i++) { + const view = visibleViews[i].view; + if (!this.isViewFinished(view)) { + return view; + } + } + const firstId = visible.first.id, + lastId = visible.last.id; + if (lastId - firstId + 1 > numVisible) { + const visibleIds = visible.ids; + for (let i = 1, ii = lastId - firstId; i < ii; i++) { + const holeId = scrolledDown ? firstId + i : lastId - i; + if (visibleIds.has(holeId)) { + continue; + } + const holeView = views[holeId - 1]; + if (!this.isViewFinished(holeView)) { + return holeView; + } + } + } + let preRenderIndex = scrolledDown ? lastId : firstId - 2; + let preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + if (preRenderExtra) { + preRenderIndex += scrolledDown ? 1 : -1; + preRenderView = views[preRenderIndex]; + if (preRenderView && !this.isViewFinished(preRenderView)) { + return preRenderView; + } + } + return null; + } + isViewFinished(view) { + return view.renderingState === RenderingStates.FINISHED; + } + renderView(view) { + switch (view.renderingState) { + case RenderingStates.FINISHED: + return false; + case RenderingStates.PAUSED: + this.highestPriorityPage = view.renderingId; + view.resume(); + break; + case RenderingStates.RUNNING: + this.highestPriorityPage = view.renderingId; + break; + case RenderingStates.INITIAL: + this.highestPriorityPage = view.renderingId; + view.draw().finally(() => { + this.renderHighestPriority(); + }).catch(reason => { + if (reason instanceof RenderingCancelledException) { + return; + } + console.error(`renderView: "${reason}"`); + }); + break; + } + return true; + } +} + +;// CONCATENATED MODULE: ./web/pdf_scripting_manager.js + + +class PDFScriptingManager { + #closeCapability = null; + #destroyCapability = null; + #docProperties = null; + #eventBus = null; + #externalServices = null; + #pdfDocument = null; + #pdfViewer = null; + #ready = false; + #scripting = null; + #willPrintCapability = null; + constructor({ + eventBus, + externalServices = null, + docProperties = null + }) { + this.#eventBus = eventBus; + this.#externalServices = externalServices; + this.#docProperties = docProperties; + } + setViewer(pdfViewer) { + this.#pdfViewer = pdfViewer; + } + async setDocument(pdfDocument) { + if (this.#pdfDocument) { + await this.#destroyScripting(); + } + this.#pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]); + if (!objects && !docActions) { + await this.#destroyScripting(); + return; + } + if (pdfDocument !== this.#pdfDocument) { + return; + } + try { + this.#scripting = this.#initScripting(); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + this._internalEvents.set("updatefromsandbox", event => { + if (event?.source === window) { + this.#updateFromSandbox(event.detail); + } + }); + this._internalEvents.set("dispatcheventinsandbox", event => { + this.#scripting?.dispatchEventInSandbox(event.detail); + }); + this._internalEvents.set("pagechanging", ({ + pageNumber, + previous + }) => { + if (pageNumber === previous) { + return; + } + this.#dispatchPageClose(previous); + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagerendered", ({ + pageNumber + }) => { + if (!this._pageOpenPending.has(pageNumber)) { + return; + } + if (pageNumber !== this.#pdfViewer.currentPageNumber) { + return; + } + this.#dispatchPageOpen(pageNumber); + }); + this._internalEvents.set("pagesdestroy", async () => { + await this.#dispatchPageClose(this.#pdfViewer.currentPageNumber); + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillClose" + }); + this.#closeCapability?.resolve(); + }); + for (const [name, listener] of this._internalEvents) { + this.#eventBus._on(name, listener); + } + try { + const docProperties = await this.#docProperties(pdfDocument); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting.createSandbox({ + objects, + calculationOrder, + appInfo: { + platform: navigator.platform, + language: navigator.language + }, + docInfo: { + ...docProperties, + actions: docActions + } + }); + this.#eventBus.dispatch("sandboxcreated", { + source: this + }); + } catch (error) { + console.error(`setDocument: "${error.message}".`); + await this.#destroyScripting(); + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "Open" + }); + await this.#dispatchPageOpen(this.#pdfViewer.currentPageNumber, true); + Promise.resolve().then(() => { + if (pdfDocument === this.#pdfDocument) { + this.#ready = true; + } + }); + } + async dispatchWillSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillSave" + }); + } + async dispatchDidSave() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidSave" + }); + } + async dispatchWillPrint() { + if (!this.#scripting) { + return; + } + await this.#willPrintCapability?.promise; + this.#willPrintCapability = new PromiseCapability(); + try { + await this.#scripting.dispatchEventInSandbox({ + id: "doc", + name: "WillPrint" + }); + } catch (ex) { + this.#willPrintCapability.resolve(); + this.#willPrintCapability = null; + throw ex; + } + await this.#willPrintCapability.promise; + } + async dispatchDidPrint() { + return this.#scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidPrint" + }); + } + get destroyPromise() { + return this.#destroyCapability?.promise || null; + } + get ready() { + return this.#ready; + } + get _internalEvents() { + return shadow(this, "_internalEvents", new Map()); + } + get _pageOpenPending() { + return shadow(this, "_pageOpenPending", new Set()); + } + get _visitedPages() { + return shadow(this, "_visitedPages", new Map()); + } + async #updateFromSandbox(detail) { + const pdfViewer = this.#pdfViewer; + const isInPresentationMode = pdfViewer.isInPresentationMode || pdfViewer.isChangingPresentationMode; + const { + id, + siblings, + command, + value + } = detail; + if (!id) { + switch (command) { + case "clear": + console.clear(); + break; + case "error": + console.error(value); + break; + case "layout": + if (!isInPresentationMode) { + const modes = apiPageLayoutToViewerModes(value); + pdfViewer.spreadMode = modes.spreadMode; + } + break; + case "page-num": + pdfViewer.currentPageNumber = value + 1; + break; + case "print": + await pdfViewer.pagesPromise; + this.#eventBus.dispatch("print", { + source: this + }); + break; + case "println": + console.log(value); + break; + case "zoom": + if (!isInPresentationMode) { + pdfViewer.currentScaleValue = value; + } + break; + case "SaveAs": + this.#eventBus.dispatch("download", { + source: this + }); + break; + case "FirstPage": + pdfViewer.currentPageNumber = 1; + break; + case "LastPage": + pdfViewer.currentPageNumber = pdfViewer.pagesCount; + break; + case "NextPage": + pdfViewer.nextPage(); + break; + case "PrevPage": + pdfViewer.previousPage(); + break; + case "ZoomViewIn": + if (!isInPresentationMode) { + pdfViewer.increaseScale(); + } + break; + case "ZoomViewOut": + if (!isInPresentationMode) { + pdfViewer.decreaseScale(); + } + break; + case "WillPrintFinished": + this.#willPrintCapability?.resolve(); + this.#willPrintCapability = null; + break; + } + return; + } + if (isInPresentationMode && detail.focus) { + return; + } + delete detail.id; + delete detail.siblings; + const ids = siblings ? [id, ...siblings] : [id]; + for (const elementId of ids) { + const element = document.querySelector(`[data-element-id="${elementId}"]`); + if (element) { + element.dispatchEvent(new CustomEvent("updatefromsandbox", { + detail + })); + } else { + this.#pdfDocument?.annotationStorage.setValue(elementId, detail); + } + } + } + async #dispatchPageOpen(pageNumber, initialize = false) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (initialize) { + this.#closeCapability = new PromiseCapability(); + } + if (!this.#closeCapability) { + return; + } + const pageView = this.#pdfViewer.getPageView(pageNumber - 1); + if (pageView?.renderingState !== RenderingStates.FINISHED) { + this._pageOpenPending.add(pageNumber); + return; + } + this._pageOpenPending.delete(pageNumber); + const actionsPromise = (async () => { + const actions = await (!visitedPages.has(pageNumber) ? pageView.pdfPage?.getJSActions() : null); + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageOpen", + pageNumber, + actions + }); + })(); + visitedPages.set(pageNumber, actionsPromise); + } + async #dispatchPageClose(pageNumber) { + const pdfDocument = this.#pdfDocument, + visitedPages = this._visitedPages; + if (!this.#closeCapability) { + return; + } + if (this._pageOpenPending.has(pageNumber)) { + return; + } + const actionsPromise = visitedPages.get(pageNumber); + if (!actionsPromise) { + return; + } + visitedPages.set(pageNumber, null); + await actionsPromise; + if (pdfDocument !== this.#pdfDocument) { + return; + } + await this.#scripting?.dispatchEventInSandbox({ + id: "page", + name: "PageClose", + pageNumber + }); + } + #initScripting() { + this.#destroyCapability = new PromiseCapability(); + if (this.#scripting) { + throw new Error("#initScripting: Scripting already exists."); + } + return this.#externalServices.createScripting(); + } + async #destroyScripting() { + if (!this.#scripting) { + this.#pdfDocument = null; + this.#destroyCapability?.resolve(); + return; + } + if (this.#closeCapability) { + await Promise.race([this.#closeCapability.promise, new Promise(resolve => { + setTimeout(resolve, 1000); + })]).catch(() => {}); + this.#closeCapability = null; + } + this.#pdfDocument = null; + try { + await this.#scripting.destroySandbox(); + } catch {} + this.#willPrintCapability?.reject(new Error("Scripting destroyed.")); + this.#willPrintCapability = null; + for (const [name, listener] of this._internalEvents) { + this.#eventBus._off(name, listener); + } + this._internalEvents.clear(); + this._pageOpenPending.clear(); + this._visitedPages.clear(); + this.#scripting = null; + this.#ready = false; + this.#destroyCapability?.resolve(); + } +} + +;// CONCATENATED MODULE: ./web/pdf_sidebar.js + +const SIDEBAR_WIDTH_VAR = "--sidebar-width"; +const SIDEBAR_MIN_WIDTH = 200; +const SIDEBAR_RESIZING_CLASS = "sidebarResizing"; +const UI_NOTIFICATION_CLASS = "pdfSidebarNotification"; +class PDFSidebar { + #isRTL = false; + #mouseMoveBound = this.#mouseMove.bind(this); + #mouseUpBound = this.#mouseUp.bind(this); + #outerContainerWidth = null; + #width = null; + constructor({ + elements, + eventBus, + l10n + }) { + this.isOpen = false; + this.active = SidebarView.THUMBS; + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.onToggled = null; + this.onUpdateThumbnails = null; + this.outerContainer = elements.outerContainer; + this.sidebarContainer = elements.sidebarContainer; + this.toggleButton = elements.toggleButton; + this.resizer = elements.resizer; + this.thumbnailButton = elements.thumbnailButton; + this.outlineButton = elements.outlineButton; + this.attachmentsButton = elements.attachmentsButton; + this.layersButton = elements.layersButton; + this.thumbnailView = elements.thumbnailView; + this.outlineView = elements.outlineView; + this.attachmentsView = elements.attachmentsView; + this.layersView = elements.layersView; + this._currentOutlineItemButton = elements.currentOutlineItemButton; + this.eventBus = eventBus; + this.#isRTL = l10n.getDirection() === "rtl"; + this.#addEventListeners(); + } + reset() { + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.#hideUINotification(true); + this.switchView(SidebarView.THUMBS); + this.outlineButton.disabled = false; + this.attachmentsButton.disabled = false; + this.layersButton.disabled = false; + this._currentOutlineItemButton.disabled = true; + } + get visibleView() { + return this.isOpen ? this.active : SidebarView.NONE; + } + setInitialView(view = SidebarView.NONE) { + if (this.isInitialViewSet) { + return; + } + this.isInitialViewSet = true; + if (view === SidebarView.NONE || view === SidebarView.UNKNOWN) { + this.#dispatchEvent(); + return; + } + this.switchView(view, true); + if (!this.isInitialEventDispatched) { + this.#dispatchEvent(); + } + } + switchView(view, forceOpen = false) { + const isViewChanged = view !== this.active; + let forceRendering = false; + switch (view) { + case SidebarView.NONE: + if (this.isOpen) { + this.close(); + } + return; + case SidebarView.THUMBS: + if (this.isOpen && isViewChanged) { + forceRendering = true; + } + break; + case SidebarView.OUTLINE: + if (this.outlineButton.disabled) { + return; + } + break; + case SidebarView.ATTACHMENTS: + if (this.attachmentsButton.disabled) { + return; + } + break; + case SidebarView.LAYERS: + if (this.layersButton.disabled) { + return; + } + break; + default: + console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`); + return; + } + this.active = view; + toggleCheckedBtn(this.thumbnailButton, view === SidebarView.THUMBS, this.thumbnailView); + toggleCheckedBtn(this.outlineButton, view === SidebarView.OUTLINE, this.outlineView); + toggleCheckedBtn(this.attachmentsButton, view === SidebarView.ATTACHMENTS, this.attachmentsView); + toggleCheckedBtn(this.layersButton, view === SidebarView.LAYERS, this.layersView); + if (forceOpen && !this.isOpen) { + this.open(); + return; + } + if (forceRendering) { + this.onUpdateThumbnails(); + this.onToggled(); + } + if (isViewChanged) { + this.#dispatchEvent(); + } + } + open() { + if (this.isOpen) { + return; + } + this.isOpen = true; + toggleExpandedBtn(this.toggleButton, true); + this.outerContainer.classList.add("sidebarMoving", "sidebarOpen"); + if (this.active === SidebarView.THUMBS) { + this.onUpdateThumbnails(); + } + this.onToggled(); + this.#dispatchEvent(); + this.#hideUINotification(); + } + close(evt = null) { + if (!this.isOpen) { + return; + } + this.isOpen = false; + toggleExpandedBtn(this.toggleButton, false); + this.outerContainer.classList.add("sidebarMoving"); + this.outerContainer.classList.remove("sidebarOpen"); + this.onToggled(); + this.#dispatchEvent(); + if (evt?.detail > 0) { + this.toggleButton.blur(); + } + } + toggle(evt = null) { + if (this.isOpen) { + this.close(evt); + } else { + this.open(); + } + } + #dispatchEvent() { + if (this.isInitialViewSet) { + this.isInitialEventDispatched ||= true; + } + this.eventBus.dispatch("sidebarviewchanged", { + source: this, + view: this.visibleView + }); + } + #showUINotification() { + this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-notification-button"); + if (!this.isOpen) { + this.toggleButton.classList.add(UI_NOTIFICATION_CLASS); + } + } + #hideUINotification(reset = false) { + if (this.isOpen || reset) { + this.toggleButton.classList.remove(UI_NOTIFICATION_CLASS); + } + if (reset) { + this.toggleButton.setAttribute("data-l10n-id", "pdfjs-toggle-sidebar-button"); + } + } + #addEventListeners() { + this.sidebarContainer.addEventListener("transitionend", evt => { + if (evt.target === this.sidebarContainer) { + this.outerContainer.classList.remove("sidebarMoving"); + this.eventBus.dispatch("resize", { + source: this + }); + } + }); + this.toggleButton.addEventListener("click", evt => { + this.toggle(evt); + }); + this.thumbnailButton.addEventListener("click", () => { + this.switchView(SidebarView.THUMBS); + }); + this.outlineButton.addEventListener("click", () => { + this.switchView(SidebarView.OUTLINE); + }); + this.outlineButton.addEventListener("dblclick", () => { + this.eventBus.dispatch("toggleoutlinetree", { + source: this + }); + }); + this.attachmentsButton.addEventListener("click", () => { + this.switchView(SidebarView.ATTACHMENTS); + }); + this.layersButton.addEventListener("click", () => { + this.switchView(SidebarView.LAYERS); + }); + this.layersButton.addEventListener("dblclick", () => { + this.eventBus.dispatch("resetlayers", { + source: this + }); + }); + this._currentOutlineItemButton.addEventListener("click", () => { + this.eventBus.dispatch("currentoutlineitem", { + source: this + }); + }); + const onTreeLoaded = (count, button, view) => { + button.disabled = !count; + if (count) { + this.#showUINotification(); + } else if (this.active === view) { + this.switchView(SidebarView.THUMBS); + } + }; + this.eventBus._on("outlineloaded", evt => { + onTreeLoaded(evt.outlineCount, this.outlineButton, SidebarView.OUTLINE); + evt.currentOutlineItemPromise.then(enabled => { + if (!this.isInitialViewSet) { + return; + } + this._currentOutlineItemButton.disabled = !enabled; + }); + }); + this.eventBus._on("attachmentsloaded", evt => { + onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, SidebarView.ATTACHMENTS); + }); + this.eventBus._on("layersloaded", evt => { + onTreeLoaded(evt.layersCount, this.layersButton, SidebarView.LAYERS); + }); + this.eventBus._on("presentationmodechanged", evt => { + if (evt.state === PresentationModeState.NORMAL && this.visibleView === SidebarView.THUMBS) { + this.onUpdateThumbnails(); + } + }); + this.resizer.addEventListener("mousedown", evt => { + if (evt.button !== 0) { + return; + } + this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS); + window.addEventListener("mousemove", this.#mouseMoveBound); + window.addEventListener("mouseup", this.#mouseUpBound); + }); + this.eventBus._on("resize", evt => { + if (evt.source !== window) { + return; + } + this.#outerContainerWidth = null; + if (!this.#width) { + return; + } + if (!this.isOpen) { + this.#updateWidth(this.#width); + return; + } + this.outerContainer.classList.add(SIDEBAR_RESIZING_CLASS); + const updated = this.#updateWidth(this.#width); + Promise.resolve().then(() => { + this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS); + if (updated) { + this.eventBus.dispatch("resize", { + source: this + }); + } + }); + }); + } + get outerContainerWidth() { + return this.#outerContainerWidth ||= this.outerContainer.clientWidth; + } + #updateWidth(width = 0) { + const maxWidth = Math.floor(this.outerContainerWidth / 2); + if (width > maxWidth) { + width = maxWidth; + } + if (width < SIDEBAR_MIN_WIDTH) { + width = SIDEBAR_MIN_WIDTH; + } + if (width === this.#width) { + return false; + } + this.#width = width; + docStyle.setProperty(SIDEBAR_WIDTH_VAR, `${width}px`); + return true; + } + #mouseMove(evt) { + let width = evt.clientX; + if (this.#isRTL) { + width = this.outerContainerWidth - width; + } + this.#updateWidth(width); + } + #mouseUp(evt) { + this.outerContainer.classList.remove(SIDEBAR_RESIZING_CLASS); + this.eventBus.dispatch("resize", { + source: this + }); + window.removeEventListener("mousemove", this.#mouseMoveBound); + window.removeEventListener("mouseup", this.#mouseUpBound); + } +} + +;// CONCATENATED MODULE: ./web/pdf_thumbnail_view.js + + +const DRAW_UPSCALE_FACTOR = 2; +const MAX_NUM_SCALING_STEPS = 3; +const THUMBNAIL_WIDTH = 98; +class TempImageFactory { + static #tempCanvas = null; + static getCanvas(width, height) { + const tempCanvas = this.#tempCanvas ||= document.createElement("canvas"); + tempCanvas.width = width; + tempCanvas.height = height; + const ctx = tempCanvas.getContext("2d", { + alpha: false + }); + ctx.save(); + ctx.fillStyle = "rgb(255, 255, 255)"; + ctx.fillRect(0, 0, width, height); + ctx.restore(); + return [tempCanvas, tempCanvas.getContext("2d")]; + } + static destroyCanvas() { + const tempCanvas = this.#tempCanvas; + if (tempCanvas) { + tempCanvas.width = 0; + tempCanvas.height = 0; + } + this.#tempCanvas = null; + } +} +class PDFThumbnailView { + constructor({ + container, + eventBus, + id, + defaultViewport, + optionalContentConfigPromise, + linkService, + renderingQueue, + pageColors + }) { + this.id = id; + this.renderingId = "thumbnail" + id; + this.pageLabel = null; + this.pdfPage = null; + this.rotation = 0; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = optionalContentConfigPromise || null; + this.pageColors = pageColors || null; + this.eventBus = eventBus; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.renderTask = null; + this.renderingState = RenderingStates.INITIAL; + this.resume = null; + const anchor = document.createElement("a"); + anchor.href = linkService.getAnchorUrl("#page=" + id); + anchor.setAttribute("data-l10n-id", "pdfjs-thumb-page-title"); + anchor.setAttribute("data-l10n-args", this.#pageL10nArgs); + anchor.onclick = function () { + linkService.goToPage(id); + return false; + }; + this.anchor = anchor; + const div = document.createElement("div"); + div.className = "thumbnail"; + div.setAttribute("data-page-number", this.id); + this.div = div; + this.#updateDims(); + const img = document.createElement("div"); + img.className = "thumbnailImage"; + this._placeholderImg = img; + div.append(img); + anchor.append(div); + container.append(anchor); + } + #updateDims() { + const { + width, + height + } = this.viewport; + const ratio = width / height; + this.canvasWidth = THUMBNAIL_WIDTH; + this.canvasHeight = this.canvasWidth / ratio | 0; + this.scale = this.canvasWidth / width; + const { + style + } = this.div; + style.setProperty("--thumbnail-width", `${this.canvasWidth}px`); + style.setProperty("--thumbnail-height", `${this.canvasHeight}px`); + } + setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport({ + scale: 1, + rotation: totalRotation + }); + this.reset(); + } + reset() { + this.cancelRendering(); + this.renderingState = RenderingStates.INITIAL; + this.div.removeAttribute("data-loaded"); + this.image?.replaceWith(this._placeholderImg); + this.#updateDims(); + if (this.image) { + this.image.removeAttribute("src"); + delete this.image; + } + } + update({ + rotation = null + }) { + if (typeof rotation === "number") { + this.rotation = rotation; + } + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: 1, + rotation: totalRotation + }); + this.reset(); + } + cancelRendering() { + if (this.renderTask) { + this.renderTask.cancel(); + this.renderTask = null; + } + this.resume = null; + } + _getPageDrawContext(upscaleFactor = 1) { + const canvas = document.createElement("canvas"); + const ctx = canvas.getContext("2d", { + alpha: false + }); + const outputScale = new OutputScale(); + canvas.width = upscaleFactor * this.canvasWidth * outputScale.sx | 0; + canvas.height = upscaleFactor * this.canvasHeight * outputScale.sy | 0; + const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; + return { + ctx, + canvas, + transform + }; + } + _convertCanvasToImage(canvas) { + if (this.renderingState !== RenderingStates.FINISHED) { + throw new Error("_convertCanvasToImage: Rendering has not finished."); + } + const reducedCanvas = this._reduceImage(canvas); + const image = document.createElement("img"); + image.className = "thumbnailImage"; + image.setAttribute("data-l10n-id", "pdfjs-thumb-page-canvas"); + image.setAttribute("data-l10n-args", this.#pageL10nArgs); + image.src = reducedCanvas.toDataURL(); + this.image = image; + this.div.setAttribute("data-loaded", true); + this._placeholderImg.replaceWith(image); + reducedCanvas.width = 0; + reducedCanvas.height = 0; + } + async #finishRenderTask(renderTask, canvas, error = null) { + if (renderTask === this.renderTask) { + this.renderTask = null; + } + if (error instanceof RenderingCancelledException) { + return; + } + this.renderingState = RenderingStates.FINISHED; + this._convertCanvasToImage(canvas); + if (error) { + throw error; + } + } + async draw() { + if (this.renderingState !== RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + return undefined; + } + const { + pdfPage + } = this; + if (!pdfPage) { + this.renderingState = RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = RenderingStates.RUNNING; + const { + ctx, + canvas, + transform + } = this._getPageDrawContext(DRAW_UPSCALE_FACTOR); + const drawViewport = this.viewport.clone({ + scale: DRAW_UPSCALE_FACTOR * this.scale + }); + const renderContinueCallback = cont => { + if (!this.renderingQueue.isHighestPriority(this)) { + this.renderingState = RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + const renderContext = { + canvasContext: ctx, + transform, + viewport: drawViewport, + optionalContentConfigPromise: this._optionalContentConfigPromise, + pageColors: this.pageColors + }; + const renderTask = this.renderTask = pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + const resultPromise = renderTask.promise.then(() => this.#finishRenderTask(renderTask, canvas), error => this.#finishRenderTask(renderTask, canvas, error)); + resultPromise.finally(() => { + canvas.width = 0; + canvas.height = 0; + this.eventBus.dispatch("thumbnailrendered", { + source: this, + pageNumber: this.id, + pdfPage: this.pdfPage + }); + }); + return resultPromise; + } + setImage(pageView) { + if (this.renderingState !== RenderingStates.INITIAL) { + return; + } + const { + thumbnailCanvas: canvas, + pdfPage, + scale + } = pageView; + if (!canvas) { + return; + } + if (!this.pdfPage) { + this.setPdfPage(pdfPage); + } + if (scale < this.scale) { + return; + } + this.renderingState = RenderingStates.FINISHED; + this._convertCanvasToImage(canvas); + } + _reduceImage(img) { + const { + ctx, + canvas + } = this._getPageDrawContext(); + if (img.width <= 2 * canvas.width) { + ctx.drawImage(img, 0, 0, img.width, img.height, 0, 0, canvas.width, canvas.height); + return canvas; + } + let reducedWidth = canvas.width << MAX_NUM_SCALING_STEPS; + let reducedHeight = canvas.height << MAX_NUM_SCALING_STEPS; + const [reducedImage, reducedImageCtx] = TempImageFactory.getCanvas(reducedWidth, reducedHeight); + while (reducedWidth > img.width || reducedHeight > img.height) { + reducedWidth >>= 1; + reducedHeight >>= 1; + } + reducedImageCtx.drawImage(img, 0, 0, img.width, img.height, 0, 0, reducedWidth, reducedHeight); + while (reducedWidth > 2 * canvas.width) { + reducedImageCtx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, reducedWidth >> 1, reducedHeight >> 1); + reducedWidth >>= 1; + reducedHeight >>= 1; + } + ctx.drawImage(reducedImage, 0, 0, reducedWidth, reducedHeight, 0, 0, canvas.width, canvas.height); + return canvas; + } + get #pageL10nArgs() { + return JSON.stringify({ + page: this.pageLabel ?? this.id + }); + } + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + this.anchor.setAttribute("data-l10n-args", this.#pageL10nArgs); + if (this.renderingState !== RenderingStates.FINISHED) { + return; + } + this.image?.setAttribute("data-l10n-args", this.#pageL10nArgs); + } +} + +;// CONCATENATED MODULE: ./web/pdf_thumbnail_viewer.js + + +const THUMBNAIL_SCROLL_MARGIN = -19; +const THUMBNAIL_SELECTED_CLASS = "selected"; +class PDFThumbnailViewer { + constructor({ + container, + eventBus, + linkService, + renderingQueue, + pageColors + }) { + this.container = container; + this.eventBus = eventBus; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.pageColors = pageColors || null; + this.scroll = watchScroll(this.container, this._scrollUpdated.bind(this)); + this._resetView(); + } + _scrollUpdated() { + this.renderingQueue.renderHighestPriority(); + } + getThumbnail(index) { + return this._thumbnails[index]; + } + _getVisibleThumbs() { + return getVisibleElements({ + scrollEl: this.container, + views: this._thumbnails + }); + } + scrollThumbnailIntoView(pageNumber) { + if (!this.pdfDocument) { + return; + } + const thumbnailView = this._thumbnails[pageNumber - 1]; + if (!thumbnailView) { + console.error('scrollThumbnailIntoView: Invalid "pageNumber" parameter.'); + return; + } + if (pageNumber !== this._currentPageNumber) { + const prevThumbnailView = this._thumbnails[this._currentPageNumber - 1]; + prevThumbnailView.div.classList.remove(THUMBNAIL_SELECTED_CLASS); + thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); + } + const { + first, + last, + views + } = this._getVisibleThumbs(); + if (views.length > 0) { + let shouldScroll = false; + if (pageNumber <= first.id || pageNumber >= last.id) { + shouldScroll = true; + } else { + for (const { + id, + percent + } of views) { + if (id !== pageNumber) { + continue; + } + shouldScroll = percent < 100; + break; + } + } + if (shouldScroll) { + scrollIntoView(thumbnailView.div, { + top: THUMBNAIL_SCROLL_MARGIN + }); + } + } + this._currentPageNumber = pageNumber; + } + get pagesRotation() { + return this._pagesRotation; + } + set pagesRotation(rotation) { + if (!isValidRotation(rotation)) { + throw new Error("Invalid thumbnails rotation angle."); + } + if (!this.pdfDocument) { + return; + } + if (this._pagesRotation === rotation) { + return; + } + this._pagesRotation = rotation; + const updateArgs = { + rotation + }; + for (const thumbnail of this._thumbnails) { + thumbnail.update(updateArgs); + } + } + cleanup() { + for (const thumbnail of this._thumbnails) { + if (thumbnail.renderingState !== RenderingStates.FINISHED) { + thumbnail.reset(); + } + } + TempImageFactory.destroyCanvas(); + } + _resetView() { + this._thumbnails = []; + this._currentPageNumber = 1; + this._pageLabels = null; + this._pagesRotation = 0; + this.container.textContent = ""; + } + setDocument(pdfDocument) { + if (this.pdfDocument) { + this._cancelRendering(); + this._resetView(); + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const firstPagePromise = pdfDocument.getPage(1); + const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); + firstPagePromise.then(firstPdfPage => { + const pagesCount = pdfDocument.numPages; + const viewport = firstPdfPage.getViewport({ + scale: 1 + }); + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const thumbnail = new PDFThumbnailView({ + container: this.container, + eventBus: this.eventBus, + id: pageNum, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + linkService: this.linkService, + renderingQueue: this.renderingQueue, + pageColors: this.pageColors + }); + this._thumbnails.push(thumbnail); + } + this._thumbnails[0]?.setPdfPage(firstPdfPage); + const thumbnailView = this._thumbnails[this._currentPageNumber - 1]; + thumbnailView.div.classList.add(THUMBNAIL_SELECTED_CLASS); + }).catch(reason => { + console.error("Unable to initialize thumbnail viewer", reason); + }); + } + _cancelRendering() { + for (const thumbnail of this._thumbnails) { + thumbnail.cancelRendering(); + } + } + setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error("PDFThumbnailViewer_setPageLabels: Invalid page labels."); + } else { + this._pageLabels = labels; + } + for (let i = 0, ii = this._thumbnails.length; i < ii; i++) { + this._thumbnails[i].setPageLabel(this._pageLabels?.[i] ?? null); + } + } + async #ensurePdfPageLoaded(thumbView) { + if (thumbView.pdfPage) { + return thumbView.pdfPage; + } + try { + const pdfPage = await this.pdfDocument.getPage(thumbView.id); + if (!thumbView.pdfPage) { + thumbView.setPdfPage(pdfPage); + } + return pdfPage; + } catch (reason) { + console.error("Unable to get page for thumb view", reason); + return null; + } + } + #getScrollAhead(visible) { + if (visible.first?.id === 1) { + return true; + } else if (visible.last?.id === this._thumbnails.length) { + return false; + } + return this.scroll.down; + } + forceRendering() { + const visibleThumbs = this._getVisibleThumbs(); + const scrollAhead = this.#getScrollAhead(visibleThumbs); + const thumbView = this.renderingQueue.getHighestPriority(visibleThumbs, this._thumbnails, scrollAhead); + if (thumbView) { + this.#ensurePdfPageLoaded(thumbView).then(() => { + this.renderingQueue.renderView(thumbView); + }); + return true; + } + return false; + } +} + +;// CONCATENATED MODULE: ./web/annotation_editor_layer_builder.js + + +class AnnotationEditorLayerBuilder { + #annotationLayer = null; + #drawLayer = null; + #textLayer = null; + #uiManager; + constructor(options) { + this.pageDiv = options.pageDiv; + this.pdfPage = options.pdfPage; + this.accessibilityManager = options.accessibilityManager; + this.l10n = options.l10n; + this.annotationEditorLayer = null; + this.div = null; + this._cancelled = false; + this.#uiManager = options.uiManager; + this.#annotationLayer = options.annotationLayer || null; + this.#textLayer = options.textLayer || null; + this.#drawLayer = options.drawLayer || null; + } + async render(viewport, intent = "display") { + if (intent !== "display") { + return; + } + if (this._cancelled) { + return; + } + const clonedViewport = viewport.clone({ + dontFlip: true + }); + if (this.div) { + this.annotationEditorLayer.update({ + viewport: clonedViewport + }); + this.show(); + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationEditorLayer"; + div.tabIndex = 0; + div.hidden = true; + div.dir = this.#uiManager.direction; + this.pageDiv.append(div); + this.annotationEditorLayer = new AnnotationEditorLayer({ + uiManager: this.#uiManager, + div, + accessibilityManager: this.accessibilityManager, + pageIndex: this.pdfPage.pageNumber - 1, + l10n: this.l10n, + viewport: clonedViewport, + annotationLayer: this.#annotationLayer, + textLayer: this.#textLayer, + drawLayer: this.#drawLayer + }); + const parameters = { + viewport: clonedViewport, + div, + annotations: null, + intent + }; + this.annotationEditorLayer.render(parameters); + this.show(); + } + cancel() { + this._cancelled = true; + if (!this.div) { + return; + } + this.pageDiv = null; + this.annotationEditorLayer.destroy(); + this.div.remove(); + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + show() { + if (!this.div || this.annotationEditorLayer.isEmpty) { + return; + } + this.div.hidden = false; + } +} + +;// CONCATENATED MODULE: ./web/annotation_layer_builder.js + + +class AnnotationLayerBuilder { + #onPresentationModeChanged = null; + constructor({ + pageDiv, + pdfPage, + linkService, + downloadManager, + annotationStorage = null, + imageResourcesPath = "", + renderForms = true, + enableScripting = false, + hasJSActionsPromise = null, + fieldObjectsPromise = null, + annotationCanvasMap = null, + accessibilityManager = null + }) { + this.pageDiv = pageDiv; + this.pdfPage = pdfPage; + this.linkService = linkService; + this.downloadManager = downloadManager; + this.imageResourcesPath = imageResourcesPath; + this.renderForms = renderForms; + this.annotationStorage = annotationStorage; + this.enableScripting = enableScripting; + this._hasJSActionsPromise = hasJSActionsPromise || Promise.resolve(false); + this._fieldObjectsPromise = fieldObjectsPromise || Promise.resolve(null); + this._annotationCanvasMap = annotationCanvasMap; + this._accessibilityManager = accessibilityManager; + this.annotationLayer = null; + this.div = null; + this._cancelled = false; + this._eventBus = linkService.eventBus; + } + async render(viewport, intent = "display") { + if (this.div) { + if (this._cancelled || !this.annotationLayer) { + return; + } + this.annotationLayer.update({ + viewport: viewport.clone({ + dontFlip: true + }) + }); + return; + } + const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({ + intent + }), this._hasJSActionsPromise, this._fieldObjectsPromise]); + if (this._cancelled) { + return; + } + const div = this.div = document.createElement("div"); + div.className = "annotationLayer"; + this.pageDiv.append(div); + if (annotations.length === 0) { + this.hide(); + return; + } + this.annotationLayer = new AnnotationLayer({ + div, + accessibilityManager: this._accessibilityManager, + annotationCanvasMap: this._annotationCanvasMap, + page: this.pdfPage, + viewport: viewport.clone({ + dontFlip: true + }) + }); + await this.annotationLayer.render({ + annotations, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.renderForms, + linkService: this.linkService, + downloadManager: this.downloadManager, + annotationStorage: this.annotationStorage, + enableScripting: this.enableScripting, + hasJSActions, + fieldObjects + }); + if (this.linkService.isInPresentationMode) { + this.#updatePresentationModeState(PresentationModeState.FULLSCREEN); + } + if (!this.#onPresentationModeChanged) { + this.#onPresentationModeChanged = evt => { + this.#updatePresentationModeState(evt.state); + }; + this._eventBus?._on("presentationmodechanged", this.#onPresentationModeChanged); + } + } + cancel() { + this._cancelled = true; + if (this.#onPresentationModeChanged) { + this._eventBus?._off("presentationmodechanged", this.#onPresentationModeChanged); + this.#onPresentationModeChanged = null; + } + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } + #updatePresentationModeState(state) { + if (!this.div) { + return; + } + let disableFormElements = false; + switch (state) { + case PresentationModeState.FULLSCREEN: + disableFormElements = true; + break; + case PresentationModeState.NORMAL: + break; + default: + return; + } + for (const section of this.div.childNodes) { + if (section.hasAttribute("data-internal-link")) { + continue; + } + section.inert = disableFormElements; + } + } +} + +;// CONCATENATED MODULE: ./web/draw_layer_builder.js + +class DrawLayerBuilder { + #drawLayer = null; + constructor(options) { + this.pageIndex = options.pageIndex; + } + async render(intent = "display") { + if (intent !== "display" || this.#drawLayer || this._cancelled) { + return; + } + this.#drawLayer = new DrawLayer({ + pageIndex: this.pageIndex + }); + } + cancel() { + this._cancelled = true; + if (!this.#drawLayer) { + return; + } + this.#drawLayer.destroy(); + this.#drawLayer = null; + } + setParent(parent) { + this.#drawLayer?.setParent(parent); + } + getDrawLayer() { + return this.#drawLayer; + } +} + +;// CONCATENATED MODULE: ./web/struct_tree_layer_builder.js + +const PDF_ROLE_TO_HTML_ROLE = { + Document: null, + DocumentFragment: null, + Part: "group", + Sect: "group", + Div: "group", + Aside: "note", + NonStruct: "none", + P: null, + H: "heading", + Title: null, + FENote: "note", + Sub: "group", + Lbl: null, + Span: null, + Em: null, + Strong: null, + Link: "link", + Annot: "note", + Form: "form", + Ruby: null, + RB: null, + RT: null, + RP: null, + Warichu: null, + WT: null, + WP: null, + L: "list", + LI: "listitem", + LBody: null, + Table: "table", + TR: "row", + TH: "columnheader", + TD: "cell", + THead: "columnheader", + TBody: null, + TFoot: null, + Caption: null, + Figure: "figure", + Formula: null, + Artifact: null +}; +const HEADING_PATTERN = /^H(\d+)$/; +class StructTreeLayerBuilder { + #treeDom = undefined; + get renderingDone() { + return this.#treeDom !== undefined; + } + render(structTree) { + if (this.#treeDom !== undefined) { + return this.#treeDom; + } + const treeDom = this.#walk(structTree); + treeDom?.classList.add("structTree"); + return this.#treeDom = treeDom; + } + hide() { + if (this.#treeDom && !this.#treeDom.hidden) { + this.#treeDom.hidden = true; + } + } + show() { + if (this.#treeDom?.hidden) { + this.#treeDom.hidden = false; + } + } + #setAttributes(structElement, htmlElement) { + const { + alt, + id, + lang + } = structElement; + if (alt !== undefined) { + htmlElement.setAttribute("aria-label", removeNullCharacters(alt)); + } + if (id !== undefined) { + htmlElement.setAttribute("aria-owns", id); + } + if (lang !== undefined) { + htmlElement.setAttribute("lang", removeNullCharacters(lang, true)); + } + } + #walk(node) { + if (!node) { + return null; + } + const element = document.createElement("span"); + if ("role" in node) { + const { + role + } = node; + const match = role.match(HEADING_PATTERN); + if (match) { + element.setAttribute("role", "heading"); + element.setAttribute("aria-level", match[1]); + } else if (PDF_ROLE_TO_HTML_ROLE[role]) { + element.setAttribute("role", PDF_ROLE_TO_HTML_ROLE[role]); + } + } + this.#setAttributes(node, element); + if (node.children) { + if (node.children.length === 1 && "id" in node.children[0]) { + this.#setAttributes(node.children[0], element); + } else { + for (const kid of node.children) { + element.append(this.#walk(kid)); + } + } + } + return element; + } +} + +;// CONCATENATED MODULE: ./web/text_accessibility.js + +class TextAccessibilityManager { + #enabled = false; + #textChildren = null; + #textNodes = new Map(); + #waitingElements = new Map(); + setTextMapping(textDivs) { + this.#textChildren = textDivs; + } + static #compareElementPositions(e1, e2) { + const rect1 = e1.getBoundingClientRect(); + const rect2 = e2.getBoundingClientRect(); + if (rect1.width === 0 && rect1.height === 0) { + return +1; + } + if (rect2.width === 0 && rect2.height === 0) { + return -1; + } + const top1 = rect1.y; + const bot1 = rect1.y + rect1.height; + const mid1 = rect1.y + rect1.height / 2; + const top2 = rect2.y; + const bot2 = rect2.y + rect2.height; + const mid2 = rect2.y + rect2.height / 2; + if (mid1 <= top2 && mid2 >= bot1) { + return -1; + } + if (mid2 <= top1 && mid1 >= bot2) { + return +1; + } + const centerX1 = rect1.x + rect1.width / 2; + const centerX2 = rect2.x + rect2.width / 2; + return centerX1 - centerX2; + } + enable() { + if (this.#enabled) { + throw new Error("TextAccessibilityManager is already enabled."); + } + if (!this.#textChildren) { + throw new Error("Text divs and strings have not been set."); + } + this.#enabled = true; + this.#textChildren = this.#textChildren.slice(); + this.#textChildren.sort(TextAccessibilityManager.#compareElementPositions); + if (this.#textNodes.size > 0) { + const textChildren = this.#textChildren; + for (const [id, nodeIndex] of this.#textNodes) { + const element = document.getElementById(id); + if (!element) { + this.#textNodes.delete(id); + continue; + } + this.#addIdToAriaOwns(id, textChildren[nodeIndex]); + } + } + for (const [element, isRemovable] of this.#waitingElements) { + this.addPointerInTextLayer(element, isRemovable); + } + this.#waitingElements.clear(); + } + disable() { + if (!this.#enabled) { + return; + } + this.#waitingElements.clear(); + this.#textChildren = null; + this.#enabled = false; + } + removePointerInTextLayer(element) { + if (!this.#enabled) { + this.#waitingElements.delete(element); + return; + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return; + } + const { + id + } = element; + const nodeIndex = this.#textNodes.get(id); + if (nodeIndex === undefined) { + return; + } + const node = children[nodeIndex]; + this.#textNodes.delete(id); + let owns = node.getAttribute("aria-owns"); + if (owns?.includes(id)) { + owns = owns.split(" ").filter(x => x !== id).join(" "); + if (owns) { + node.setAttribute("aria-owns", owns); + } else { + node.removeAttribute("aria-owns"); + node.setAttribute("role", "presentation"); + } + } + } + #addIdToAriaOwns(id, node) { + const owns = node.getAttribute("aria-owns"); + if (!owns?.includes(id)) { + node.setAttribute("aria-owns", owns ? `${owns} ${id}` : id); + } + node.removeAttribute("role"); + } + addPointerInTextLayer(element, isRemovable) { + const { + id + } = element; + if (!id) { + return null; + } + if (!this.#enabled) { + this.#waitingElements.set(element, isRemovable); + return null; + } + if (isRemovable) { + this.removePointerInTextLayer(element); + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return null; + } + const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0); + const nodeIndex = Math.max(0, index - 1); + const child = children[nodeIndex]; + this.#addIdToAriaOwns(id, child); + this.#textNodes.set(id, nodeIndex); + const parent = child.parentNode; + return parent?.classList.contains("markedContent") ? parent.id : null; + } + moveElementInDOM(container, element, contentElement, isRemovable) { + const id = this.addPointerInTextLayer(contentElement, isRemovable); + if (!container.hasChildNodes()) { + container.append(element); + return id; + } + const children = Array.from(container.childNodes).filter(node => node !== element); + if (children.length === 0) { + return id; + } + const elementToCompare = contentElement || element; + const index = binarySearchFirstItem(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0); + if (index === 0) { + children[0].before(element); + } else { + children[index - 1].after(element); + } + return id; + } +} + +;// CONCATENATED MODULE: ./web/text_highlighter.js +class TextHighlighter { + constructor({ + findController, + eventBus, + pageIndex + }) { + this.findController = findController; + this.matches = []; + this.eventBus = eventBus; + this.pageIdx = pageIndex; + this._onUpdateTextLayerMatches = null; + this.textDivs = null; + this.textContentItemsStr = null; + this.enabled = false; + } + setTextMapping(divs, texts) { + this.textDivs = divs; + this.textContentItemsStr = texts; + } + enable() { + if (!this.textDivs || !this.textContentItemsStr) { + throw new Error("Text divs and strings have not been set."); + } + if (this.enabled) { + throw new Error("TextHighlighter is already enabled."); + } + this.enabled = true; + if (!this._onUpdateTextLayerMatches) { + this._onUpdateTextLayerMatches = evt => { + if (evt.pageIndex === this.pageIdx || evt.pageIndex === -1) { + this._updateMatches(); + } + }; + this.eventBus._on("updatetextlayermatches", this._onUpdateTextLayerMatches); + } + this._updateMatches(); + } + disable() { + if (!this.enabled) { + return; + } + this.enabled = false; + if (this._onUpdateTextLayerMatches) { + this.eventBus._off("updatetextlayermatches", this._onUpdateTextLayerMatches); + this._onUpdateTextLayerMatches = null; + } + this._updateMatches(true); + } + _convertMatches(matches, matchesLength) { + if (!matches) { + return []; + } + const { + textContentItemsStr + } = this; + let i = 0, + iIndex = 0; + const end = textContentItemsStr.length - 1; + const result = []; + for (let m = 0, mm = matches.length; m < mm; m++) { + let matchIdx = matches[m]; + while (i !== end && matchIdx >= iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + if (i === textContentItemsStr.length) { + console.error("Could not find a matching mapping"); + } + const match = { + begin: { + divIdx: i, + offset: matchIdx - iIndex + } + }; + matchIdx += matchesLength[m]; + while (i !== end && matchIdx > iIndex + textContentItemsStr[i].length) { + iIndex += textContentItemsStr[i].length; + i++; + } + match.end = { + divIdx: i, + offset: matchIdx - iIndex + }; + result.push(match); + } + return result; + } + _renderMatches(matches) { + if (matches.length === 0) { + return; + } + const { + findController, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + const isSelectedPage = pageIdx === findController.selected.pageIdx; + const selectedMatchIdx = findController.selected.matchIdx; + const highlightAll = findController.state.highlightAll; + let prevEnd = null; + const infinity = { + divIdx: -1, + offset: undefined + }; + function beginText(begin, className) { + const divIdx = begin.divIdx; + textDivs[divIdx].textContent = ""; + return appendTextToDiv(divIdx, 0, begin.offset, className); + } + function appendTextToDiv(divIdx, fromOffset, toOffset, className) { + let div = textDivs[divIdx]; + if (div.nodeType === Node.TEXT_NODE) { + const span = document.createElement("span"); + div.before(span); + span.append(div); + textDivs[divIdx] = span; + div = span; + } + const content = textContentItemsStr[divIdx].substring(fromOffset, toOffset); + const node = document.createTextNode(content); + if (className) { + const span = document.createElement("span"); + span.className = `${className} appended`; + span.append(node); + div.append(span); + return className.includes("selected") ? span.offsetLeft : 0; + } + div.append(node); + return 0; + } + let i0 = selectedMatchIdx, + i1 = i0 + 1; + if (highlightAll) { + i0 = 0; + i1 = matches.length; + } else if (!isSelectedPage) { + return; + } + let lastDivIdx = -1; + let lastOffset = -1; + for (let i = i0; i < i1; i++) { + const match = matches[i]; + const begin = match.begin; + if (begin.divIdx === lastDivIdx && begin.offset === lastOffset) { + continue; + } + lastDivIdx = begin.divIdx; + lastOffset = begin.offset; + const end = match.end; + const isSelected = isSelectedPage && i === selectedMatchIdx; + const highlightSuffix = isSelected ? " selected" : ""; + let selectedLeft = 0; + if (!prevEnd || begin.divIdx !== prevEnd.divIdx) { + if (prevEnd !== null) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + beginText(begin); + } else { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, begin.offset); + } + if (begin.divIdx === end.divIdx) { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, end.offset, "highlight" + highlightSuffix); + } else { + selectedLeft = appendTextToDiv(begin.divIdx, begin.offset, infinity.offset, "highlight begin" + highlightSuffix); + for (let n0 = begin.divIdx + 1, n1 = end.divIdx; n0 < n1; n0++) { + textDivs[n0].className = "highlight middle" + highlightSuffix; + } + beginText(end, "highlight end" + highlightSuffix); + } + prevEnd = end; + if (isSelected) { + findController.scrollMatchIntoView({ + element: textDivs[begin.divIdx], + selectedLeft, + pageIndex: pageIdx, + matchIndex: selectedMatchIdx + }); + } + } + if (prevEnd) { + appendTextToDiv(prevEnd.divIdx, prevEnd.offset, infinity.offset); + } + } + _updateMatches(reset = false) { + if (!this.enabled && !reset) { + return; + } + const { + findController, + matches, + pageIdx + } = this; + const { + textContentItemsStr, + textDivs + } = this; + let clearedUntilDivIdx = -1; + for (const match of matches) { + const begin = Math.max(clearedUntilDivIdx, match.begin.divIdx); + for (let n = begin, end = match.end.divIdx; n <= end; n++) { + const div = textDivs[n]; + div.textContent = textContentItemsStr[n]; + div.className = ""; + } + clearedUntilDivIdx = match.end.divIdx + 1; + } + if (!findController?.highlightMatches || reset) { + return; + } + const pageMatches = findController.pageMatches[pageIdx] || null; + const pageMatchesLength = findController.pageMatchesLength[pageIdx] || null; + this.matches = this._convertMatches(pageMatches, pageMatchesLength); + this._renderMatches(this.matches); + } +} + +;// CONCATENATED MODULE: ./web/text_layer_builder.js + + +class TextLayerBuilder { + #enablePermissions = false; + #rotation = 0; + #scale = 0; + #textContentSource = null; + constructor({ + highlighter = null, + accessibilityManager = null, + enablePermissions = false + }) { + this.textContentItemsStr = []; + this.renderingDone = false; + this.textDivs = []; + this.textDivProperties = new WeakMap(); + this.textLayerRenderTask = null; + this.highlighter = highlighter; + this.accessibilityManager = accessibilityManager; + this.#enablePermissions = enablePermissions === true; + this.onAppend = null; + this.div = document.createElement("div"); + this.div.className = "textLayer"; + } + #finishRendering() { + this.renderingDone = true; + const endOfContent = document.createElement("div"); + endOfContent.className = "endOfContent"; + this.div.append(endOfContent); + this.#bindMouse(); + } + get numTextDivs() { + return this.textDivs.length; + } + async render(viewport) { + if (!this.#textContentSource) { + throw new Error('No "textContentSource" parameter specified.'); + } + const scale = viewport.scale * (globalThis.devicePixelRatio || 1); + const { + rotation + } = viewport; + if (this.renderingDone) { + const mustRotate = rotation !== this.#rotation; + const mustRescale = scale !== this.#scale; + if (mustRotate || mustRescale) { + this.hide(); + updateTextLayer({ + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + mustRescale, + mustRotate + }); + this.#scale = scale; + this.#rotation = rotation; + } + this.show(); + return; + } + this.cancel(); + this.highlighter?.setTextMapping(this.textDivs, this.textContentItemsStr); + this.accessibilityManager?.setTextMapping(this.textDivs); + this.textLayerRenderTask = renderTextLayer({ + textContentSource: this.#textContentSource, + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + textContentItemsStr: this.textContentItemsStr + }); + await this.textLayerRenderTask.promise; + this.#finishRendering(); + this.#scale = scale; + this.#rotation = rotation; + this.onAppend(this.div); + this.highlighter?.enable(); + this.accessibilityManager?.enable(); + } + hide() { + if (!this.div.hidden && this.renderingDone) { + this.highlighter?.disable(); + this.div.hidden = true; + } + } + show() { + if (this.div.hidden && this.renderingDone) { + this.div.hidden = false; + this.highlighter?.enable(); + } + } + cancel() { + if (this.textLayerRenderTask) { + this.textLayerRenderTask.cancel(); + this.textLayerRenderTask = null; + } + this.highlighter?.disable(); + this.accessibilityManager?.disable(); + this.textContentItemsStr.length = 0; + this.textDivs.length = 0; + this.textDivProperties = new WeakMap(); + } + setTextContentSource(source) { + this.cancel(); + this.#textContentSource = source; + } + #bindMouse() { + const { + div + } = this; + div.addEventListener("mousedown", evt => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + end.classList.add("active"); + }); + div.addEventListener("mouseup", () => { + const end = div.querySelector(".endOfContent"); + if (!end) { + return; + } + end.classList.remove("active"); + }); + div.addEventListener("copy", event => { + if (!this.#enablePermissions) { + const selection = document.getSelection(); + event.clipboardData.setData("text/plain", removeNullCharacters(normalizeUnicode(selection.toString()))); + } + event.preventDefault(); + event.stopPropagation(); + }); + } +} + +;// CONCATENATED MODULE: ./web/pdf_page_view.js + + + + + + + + + + + + + +const MAX_CANVAS_PIXELS = compatibilityParams.maxCanvasPixels || 16777216; +const DEFAULT_LAYER_PROPERTIES = null; +class PDFPageView { + #annotationMode = AnnotationMode.ENABLE_FORMS; + #hasRestrictedScaling = false; + #layerProperties = null; + #loadingId = null; + #previousRotation = null; + #renderError = null; + #renderingState = RenderingStates.INITIAL; + #textLayerMode = TextLayerMode.ENABLE; + #useThumbnailCanvas = { + directDrawing: true, + initialOptionalContent: true, + regularAnnotations: true + }; + #viewportMap = new WeakMap(); + constructor(options) { + const container = options.container; + const defaultViewport = options.defaultViewport; + this.id = options.id; + this.renderingId = "page" + this.id; + this.#layerProperties = options.layerProperties || DEFAULT_LAYER_PROPERTIES; + this.pdfPage = null; + this.pageLabel = null; + this.rotation = 0; + this.scale = options.scale || DEFAULT_SCALE; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; + this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.maxCanvasPixels = options.maxCanvasPixels ?? MAX_CANVAS_PIXELS; + this.pageColors = options.pageColors || null; + this.eventBus = options.eventBus; + this.renderingQueue = options.renderingQueue; + this.l10n = options.l10n; + this.renderTask = null; + this.resume = null; + this._annotationCanvasMap = null; + this.annotationLayer = null; + this.annotationEditorLayer = null; + this.textLayer = null; + this.zoomLayer = null; + this.xfaLayer = null; + this.structTreeLayer = null; + this.drawLayer = null; + const div = document.createElement("div"); + div.className = "page"; + div.setAttribute("data-page-number", this.id); + div.setAttribute("role", "region"); + div.setAttribute("data-l10n-id", "pdfjs-page-landmark"); + div.setAttribute("data-l10n-args", JSON.stringify({ + page: this.id + })); + this.div = div; + this.#setDimensions(); + container?.append(div); + } + get renderingState() { + return this.#renderingState; + } + set renderingState(state) { + if (state === this.#renderingState) { + return; + } + this.#renderingState = state; + if (this.#loadingId) { + clearTimeout(this.#loadingId); + this.#loadingId = null; + } + switch (state) { + case RenderingStates.PAUSED: + this.div.classList.remove("loading"); + break; + case RenderingStates.RUNNING: + this.div.classList.add("loadingIcon"); + this.#loadingId = setTimeout(() => { + this.div.classList.add("loading"); + this.#loadingId = null; + }, 0); + break; + case RenderingStates.INITIAL: + case RenderingStates.FINISHED: + this.div.classList.remove("loadingIcon", "loading"); + break; + } + } + #setDimensions() { + const { + viewport + } = this; + if (this.pdfPage) { + if (this.#previousRotation === viewport.rotation) { + return; + } + this.#previousRotation = viewport.rotation; + } + setLayerDimensions(this.div, viewport, true, false); + } + setPdfPage(pdfPage) { + this.pdfPage = pdfPage; + this.pdfPageRotate = pdfPage.rotate; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = pdfPage.getViewport({ + scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + this.reset(); + } + destroy() { + this.reset(); + this.pdfPage?.cleanup(); + } + get _textHighlighter() { + return shadow(this, "_textHighlighter", new TextHighlighter({ + pageIndex: this.id - 1, + eventBus: this.eventBus, + findController: this.#layerProperties.findController + })); + } + async #renderAnnotationLayer() { + let error = null; + try { + await this.annotationLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderAnnotationEditorLayer() { + let error = null; + try { + await this.annotationEditorLayer.render(this.viewport, "display"); + } catch (ex) { + console.error(`#renderAnnotationEditorLayer: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationeditorlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderDrawLayer() { + try { + await this.drawLayer.render("display"); + } catch (ex) { + console.error(`#renderDrawLayer: "${ex}".`); + } + } + async #renderXfaLayer() { + let error = null; + try { + const result = await this.xfaLayer.render(this.viewport, "display"); + if (result?.textDivs && this._textHighlighter) { + this.#buildXfaTextContentItems(result.textDivs); + } + } catch (ex) { + console.error(`#renderXfaLayer: "${ex}".`); + error = ex; + } finally { + if (this.xfaLayer?.div) { + this.l10n.pause(); + this.div.append(this.xfaLayer.div); + this.l10n.resume(); + } + this.eventBus.dispatch("xfalayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderTextLayer() { + const { + pdfPage, + textLayer, + viewport + } = this; + if (!textLayer) { + return; + } + let error = null; + try { + if (!textLayer.renderingDone) { + const readableStream = pdfPage.streamTextContent({ + includeMarkedContent: true, + disableNormalization: true + }); + textLayer.setTextContentSource(readableStream); + } + await textLayer.render(viewport); + } catch (ex) { + if (ex instanceof AbortException) { + return; + } + console.error(`#renderTextLayer: "${ex}".`); + error = ex; + } + this.eventBus.dispatch("textlayerrendered", { + source: this, + pageNumber: this.id, + numTextDivs: textLayer.numTextDivs, + error + }); + this.#renderStructTreeLayer(); + } + async #renderStructTreeLayer() { + if (!this.textLayer) { + return; + } + this.structTreeLayer ||= new StructTreeLayerBuilder(); + const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); + const treeDom = this.structTreeLayer?.render(tree); + if (treeDom) { + this.l10n.pause(); + this.canvas?.append(treeDom); + this.l10n.resume(); + } + this.structTreeLayer?.show(); + } + async #buildXfaTextContentItems(textDivs) { + const text = await this.pdfPage.getTextContent(); + const items = []; + for (const item of text.items) { + items.push(item.str); + } + this._textHighlighter.setTextMapping(textDivs, items); + this._textHighlighter.enable(); + } + _resetZoomLayer(removeFromDOM = false) { + if (!this.zoomLayer) { + return; + } + const zoomLayerCanvas = this.zoomLayer.firstChild; + this.#viewportMap.delete(zoomLayerCanvas); + zoomLayerCanvas.width = 0; + zoomLayerCanvas.height = 0; + if (removeFromDOM) { + this.zoomLayer.remove(); + } + this.zoomLayer = null; + } + reset({ + keepZoomLayer = false, + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false + } = {}) { + this.cancelRendering({ + keepAnnotationLayer, + keepAnnotationEditorLayer, + keepXfaLayer, + keepTextLayer + }); + this.renderingState = RenderingStates.INITIAL; + const div = this.div; + const childNodes = div.childNodes, + zoomLayerNode = keepZoomLayer && this.zoomLayer || null, + annotationLayerNode = keepAnnotationLayer && this.annotationLayer?.div || null, + annotationEditorLayerNode = keepAnnotationEditorLayer && this.annotationEditorLayer?.div || null, + xfaLayerNode = keepXfaLayer && this.xfaLayer?.div || null, + textLayerNode = keepTextLayer && this.textLayer?.div || null; + for (let i = childNodes.length - 1; i >= 0; i--) { + const node = childNodes[i]; + switch (node) { + case zoomLayerNode: + case annotationLayerNode: + case annotationEditorLayerNode: + case xfaLayerNode: + case textLayerNode: + continue; + } + node.remove(); + } + div.removeAttribute("data-loaded"); + if (annotationLayerNode) { + this.annotationLayer.hide(); + } + if (annotationEditorLayerNode) { + this.annotationEditorLayer.hide(); + } + if (xfaLayerNode) { + this.xfaLayer.hide(); + } + if (textLayerNode) { + this.textLayer.hide(); + } + this.structTreeLayer?.hide(); + if (!zoomLayerNode) { + if (this.canvas) { + this.#viewportMap.delete(this.canvas); + this.canvas.width = 0; + this.canvas.height = 0; + delete this.canvas; + } + this._resetZoomLayer(); + } + } + update({ + scale = 0, + rotation = null, + optionalContentConfigPromise = null, + drawingDelay = -1 + }) { + this.scale = scale || this.scale; + if (typeof rotation === "number") { + this.rotation = rotation; + } + if (optionalContentConfigPromise instanceof Promise) { + this._optionalContentConfigPromise = optionalContentConfigPromise; + optionalContentConfigPromise.then(optionalContentConfig => { + if (optionalContentConfigPromise !== this._optionalContentConfigPromise) { + return; + } + this.#useThumbnailCanvas.initialOptionalContent = optionalContentConfig.hasInitialVisibility; + }); + } + this.#useThumbnailCanvas.directDrawing = true; + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: this.scale * PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + if (this.canvas) { + let onlyCssZoom = false; + if (this.#hasRestrictedScaling) { + if (this.maxCanvasPixels > 0) { + const { + width, + height + } = this.viewport; + const { + sx, + sy + } = this.outputScale; + onlyCssZoom = (Math.floor(width) * sx | 0) * (Math.floor(height) * sy | 0) > this.maxCanvasPixels; + } + } + const postponeDrawing = !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000; + if (postponeDrawing || onlyCssZoom) { + if (postponeDrawing && this.renderingState !== RenderingStates.FINISHED) { + this.cancelRendering({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true, + cancelExtraDelay: drawingDelay + }); + this.renderingState = RenderingStates.FINISHED; + this.#useThumbnailCanvas.directDrawing = false; + } + this.cssTransform({ + target: this.canvas, + redrawAnnotationLayer: true, + redrawAnnotationEditorLayer: true, + redrawXfaLayer: true, + redrawTextLayer: !postponeDrawing, + hideTextLayer: postponeDrawing + }); + if (postponeDrawing) { + return; + } + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: true, + timestamp: performance.now(), + error: this.#renderError + }); + return; + } + if (!this.zoomLayer && !this.canvas.hidden) { + this.zoomLayer = this.canvas.parentNode; + this.zoomLayer.style.position = "absolute"; + } + } + if (this.zoomLayer) { + this.cssTransform({ + target: this.zoomLayer.firstChild + }); + } + this.reset({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true + }); + } + cancelRendering({ + keepAnnotationLayer = false, + keepAnnotationEditorLayer = false, + keepXfaLayer = false, + keepTextLayer = false, + cancelExtraDelay = 0 + } = {}) { + if (this.renderTask) { + this.renderTask.cancel(cancelExtraDelay); + this.renderTask = null; + } + this.resume = null; + if (this.textLayer && (!keepTextLayer || !this.textLayer.div)) { + this.textLayer.cancel(); + this.textLayer = null; + } + if (this.structTreeLayer && !this.textLayer) { + this.structTreeLayer = null; + } + if (this.annotationLayer && (!keepAnnotationLayer || !this.annotationLayer.div)) { + this.annotationLayer.cancel(); + this.annotationLayer = null; + this._annotationCanvasMap = null; + } + if (this.annotationEditorLayer && (!keepAnnotationEditorLayer || !this.annotationEditorLayer.div)) { + if (this.drawLayer) { + this.drawLayer.cancel(); + this.drawLayer = null; + } + this.annotationEditorLayer.cancel(); + this.annotationEditorLayer = null; + } + if (this.xfaLayer && (!keepXfaLayer || !this.xfaLayer.div)) { + this.xfaLayer.cancel(); + this.xfaLayer = null; + this._textHighlighter?.disable(); + } + } + cssTransform({ + target, + redrawAnnotationLayer = false, + redrawAnnotationEditorLayer = false, + redrawXfaLayer = false, + redrawTextLayer = false, + hideTextLayer = false + }) { + if (!target.hasAttribute("zooming")) { + target.setAttribute("zooming", true); + const { + style + } = target; + style.width = style.height = ""; + } + const originalViewport = this.#viewportMap.get(target); + if (this.viewport !== originalViewport) { + const relativeRotation = this.viewport.rotation - originalViewport.rotation; + const absRotation = Math.abs(relativeRotation); + let scaleX = 1, + scaleY = 1; + if (absRotation === 90 || absRotation === 270) { + const { + width, + height + } = this.viewport; + scaleX = height / width; + scaleY = width / height; + } + target.style.transform = `rotate(${relativeRotation}deg) scale(${scaleX}, ${scaleY})`; + } + if (redrawAnnotationLayer && this.annotationLayer) { + this.#renderAnnotationLayer(); + } + if (redrawAnnotationEditorLayer && this.annotationEditorLayer) { + if (this.drawLayer) { + this.#renderDrawLayer(); + } + this.#renderAnnotationEditorLayer(); + } + if (redrawXfaLayer && this.xfaLayer) { + this.#renderXfaLayer(); + } + if (this.textLayer) { + if (hideTextLayer) { + this.textLayer.hide(); + this.structTreeLayer?.hide(); + } else if (redrawTextLayer) { + this.#renderTextLayer(); + } + } + } + get width() { + return this.viewport.width; + } + get height() { + return this.viewport.height; + } + getPagePoint(x, y) { + return this.viewport.convertToPdfPoint(x, y); + } + async #finishRenderTask(renderTask, error = null) { + if (renderTask === this.renderTask) { + this.renderTask = null; + } + if (error instanceof RenderingCancelledException) { + this.#renderError = null; + return; + } + this.#renderError = error; + this.renderingState = RenderingStates.FINISHED; + this._resetZoomLayer(true); + this.#useThumbnailCanvas.regularAnnotations = !renderTask.separateAnnots; + this.eventBus.dispatch("pagerendered", { + source: this, + pageNumber: this.id, + cssTransform: false, + timestamp: performance.now(), + error: this.#renderError + }); + if (error) { + throw error; + } + } + async draw() { + if (this.renderingState !== RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + this.reset(); + } + const { + div, + l10n, + pageColors, + pdfPage, + viewport + } = this; + if (!pdfPage) { + this.renderingState = RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = RenderingStates.RUNNING; + const canvasWrapper = document.createElement("div"); + canvasWrapper.classList.add("canvasWrapper"); + div.append(canvasWrapper); + if (!this.textLayer && this.#textLayerMode !== TextLayerMode.DISABLE && !pdfPage.isPureXfa) { + this._accessibilityManager ||= new TextAccessibilityManager(); + this.textLayer = new TextLayerBuilder({ + highlighter: this._textHighlighter, + accessibilityManager: this._accessibilityManager, + enablePermissions: this.#textLayerMode === TextLayerMode.ENABLE_PERMISSIONS + }); + this.textLayer.onAppend = textLayerDiv => { + this.l10n.pause(); + this.div.append(textLayerDiv); + this.l10n.resume(); + }; + } + if (!this.annotationLayer && this.#annotationMode !== AnnotationMode.DISABLE) { + const { + annotationStorage, + downloadManager, + enableScripting, + fieldObjectsPromise, + hasJSActionsPromise, + linkService + } = this.#layerProperties; + this._annotationCanvasMap ||= new Map(); + this.annotationLayer = new AnnotationLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.#annotationMode === AnnotationMode.ENABLE_FORMS, + linkService, + downloadManager, + enableScripting, + hasJSActionsPromise, + fieldObjectsPromise, + annotationCanvasMap: this._annotationCanvasMap, + accessibilityManager: this._accessibilityManager + }); + } + const renderContinueCallback = cont => { + showCanvas?.(false); + if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { + this.renderingState = RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = RenderingStates.RUNNING; + cont(); + }; + return; + } + cont(); + }; + const { + width, + height + } = viewport; + const canvas = document.createElement("canvas"); + canvas.setAttribute("role", "presentation"); + canvas.hidden = true; + const hasHCM = !!(pageColors?.background && pageColors?.foreground); + let showCanvas = isLastShow => { + if (!hasHCM || isLastShow) { + canvas.hidden = false; + showCanvas = null; + } + }; + canvasWrapper.append(canvas); + this.canvas = canvas; + const ctx = canvas.getContext("2d", { + alpha: false + }); + const outputScale = this.outputScale = new OutputScale(); + if (this.maxCanvasPixels > 0) { + const pixelsInViewport = width * height; + const maxScale = Math.sqrt(this.maxCanvasPixels / pixelsInViewport); + if (outputScale.sx > maxScale || outputScale.sy > maxScale) { + outputScale.sx = maxScale; + outputScale.sy = maxScale; + this.#hasRestrictedScaling = true; + } else { + this.#hasRestrictedScaling = false; + } + } + const sfx = approximateFraction(outputScale.sx); + const sfy = approximateFraction(outputScale.sy); + canvas.width = roundToDivide(width * outputScale.sx, sfx[0]); + canvas.height = roundToDivide(height * outputScale.sy, sfy[0]); + const { + style + } = canvas; + style.width = roundToDivide(width, sfx[1]) + "px"; + style.height = roundToDivide(height, sfy[1]) + "px"; + this.#viewportMap.set(canvas, viewport); + const transform = outputScale.scaled ? [outputScale.sx, 0, 0, outputScale.sy, 0, 0] : null; + const renderContext = { + canvasContext: ctx, + transform, + viewport, + annotationMode: this.#annotationMode, + optionalContentConfigPromise: this._optionalContentConfigPromise, + annotationCanvasMap: this._annotationCanvasMap, + pageColors + }; + const renderTask = this.renderTask = this.pdfPage.render(renderContext); + renderTask.onContinue = renderContinueCallback; + const resultPromise = renderTask.promise.then(async () => { + showCanvas?.(true); + await this.#finishRenderTask(renderTask); + this.#renderTextLayer(); + if (this.annotationLayer) { + await this.#renderAnnotationLayer(); + } + const { + annotationEditorUIManager + } = this.#layerProperties; + if (!annotationEditorUIManager) { + return; + } + this.drawLayer ||= new DrawLayerBuilder({ + pageIndex: this.id + }); + await this.#renderDrawLayer(); + this.drawLayer.setParent(canvasWrapper); + if (!this.annotationEditorLayer) { + this.annotationEditorLayer = new AnnotationEditorLayerBuilder({ + uiManager: annotationEditorUIManager, + pageDiv: div, + pdfPage, + l10n, + accessibilityManager: this._accessibilityManager, + annotationLayer: this.annotationLayer?.annotationLayer, + textLayer: this.textLayer, + drawLayer: this.drawLayer.getDrawLayer() + }); + } + this.#renderAnnotationEditorLayer(); + }, error => { + if (!(error instanceof RenderingCancelledException)) { + showCanvas?.(true); + } + return this.#finishRenderTask(renderTask, error); + }); + if (pdfPage.isPureXfa) { + if (!this.xfaLayer) { + const { + annotationStorage, + linkService + } = this.#layerProperties; + this.xfaLayer = new XfaLayerBuilder({ + pdfPage, + annotationStorage, + linkService + }); + } + this.#renderXfaLayer(); + } + div.setAttribute("data-loaded", true); + this.eventBus.dispatch("pagerender", { + source: this, + pageNumber: this.id + }); + return resultPromise; + } + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + this.div.setAttribute("data-l10n-args", JSON.stringify({ + page: this.pageLabel ?? this.id + })); + if (this.pageLabel !== null) { + this.div.setAttribute("data-page-label", this.pageLabel); + } else { + this.div.removeAttribute("data-page-label"); + } + } + get thumbnailCanvas() { + const { + directDrawing, + initialOptionalContent, + regularAnnotations + } = this.#useThumbnailCanvas; + return directDrawing && initialOptionalContent && regularAnnotations ? this.canvas : null; + } +} + +;// CONCATENATED MODULE: ./web/pdf_viewer.js + + + + + + +const DEFAULT_CACHE_SIZE = 10; +const PagesCountLimit = { + FORCE_SCROLL_MODE_PAGE: 15000, + FORCE_LAZY_PAGE_INIT: 7500, + PAUSE_EAGER_PAGE_INIT: 250 +}; +function isValidAnnotationEditorMode(mode) { + return Object.values(AnnotationEditorType).includes(mode) && mode !== AnnotationEditorType.DISABLE; +} +class PDFPageViewBuffer { + #buf = new Set(); + #size = 0; + constructor(size) { + this.#size = size; + } + push(view) { + const buf = this.#buf; + if (buf.has(view)) { + buf.delete(view); + } + buf.add(view); + if (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + resize(newSize, idsToKeep = null) { + this.#size = newSize; + const buf = this.#buf; + if (idsToKeep) { + const ii = buf.size; + let i = 1; + for (const view of buf) { + if (idsToKeep.has(view.id)) { + buf.delete(view); + buf.add(view); + } + if (++i > ii) { + break; + } + } + } + while (buf.size > this.#size) { + this.#destroyFirstView(); + } + } + has(view) { + return this.#buf.has(view); + } + [Symbol.iterator]() { + return this.#buf.keys(); + } + #destroyFirstView() { + const firstView = this.#buf.keys().next().value; + firstView?.destroy(); + this.#buf.delete(firstView); + } +} +class PDFViewer { + #buffer = null; + #altTextManager = null; + #annotationEditorHighlightColors = null; + #annotationEditorMode = AnnotationEditorType.NONE; + #annotationEditorUIManager = null; + #annotationMode = AnnotationMode.ENABLE_FORMS; + #containerTopLeft = null; + #copyCallbackBound = null; + #enablePermissions = false; + #mlManager = null; + #getAllTextInProgress = false; + #hiddenCopyElement = null; + #interruptCopyCondition = false; + #previousContainerHeight = 0; + #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); + #scrollModePageState = null; + #onVisibilityChange = null; + #scaleTimeoutId = null; + #textLayerMode = TextLayerMode.ENABLE; + constructor(options) { + const viewerVersion = "4.1.249"; + if (version !== viewerVersion) { + throw new Error(`The API version "${version}" does not match the Viewer version "${viewerVersion}".`); + } + this.container = options.container; + this.viewer = options.viewer || options.container.firstElementChild; + this.#resizeObserver.observe(this.container); + this.eventBus = options.eventBus; + this.linkService = options.linkService || new SimpleLinkService(); + this.downloadManager = options.downloadManager || null; + this.findController = options.findController || null; + this.#altTextManager = options.altTextManager || null; + if (this.findController) { + this.findController.onIsPageVisible = pageNumber => this._getVisiblePages().ids.has(pageNumber); + } + this._scriptingManager = options.scriptingManager || null; + this.#textLayerMode = options.textLayerMode ?? TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? AnnotationMode.ENABLE_FORMS; + this.#annotationEditorMode = options.annotationEditorMode ?? AnnotationEditorType.NONE; + this.#annotationEditorHighlightColors = options.annotationEditorHighlightColors || null; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; + this.maxCanvasPixels = options.maxCanvasPixels; + this.l10n = options.l10n; + this.#enablePermissions = options.enablePermissions || false; + this.pageColors = options.pageColors || null; + this.#mlManager = options.mlManager || null; + this.defaultRenderingQueue = !options.renderingQueue; + this.renderingQueue = options.renderingQueue; + this.scroll = watchScroll(this.container, this._scrollUpdate.bind(this)); + this.presentationModeState = PresentationModeState.UNKNOWN; + this._onBeforeDraw = this._onAfterDraw = null; + this._resetView(); + this.#updateContainerHeightCss(); + this.eventBus._on("thumbnailrendered", ({ + pageNumber, + pdfPage + }) => { + const pageView = this._pages[pageNumber - 1]; + if (!this.#buffer.has(pageView)) { + pdfPage?.cleanup(); + } + }); + } + get pagesCount() { + return this._pages.length; + } + getPageView(index) { + return this._pages[index]; + } + getCachedPageViews() { + return new Set(this.#buffer); + } + get pageViewsReady() { + return this._pagesCapability.settled && this._pages.every(pageView => pageView?.pdfPage); + } + get renderForms() { + return this.#annotationMode === AnnotationMode.ENABLE_FORMS; + } + get enableScripting() { + return !!this._scriptingManager; + } + get currentPageNumber() { + return this._currentPageNumber; + } + set currentPageNumber(val) { + if (!Number.isInteger(val)) { + throw new Error("Invalid page number."); + } + if (!this.pdfDocument) { + return; + } + if (!this._setCurrentPageNumber(val, true)) { + console.error(`currentPageNumber: "${val}" is not a valid page.`); + } + } + _setCurrentPageNumber(val, resetCurrentPageView = false) { + if (this._currentPageNumber === val) { + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + if (!(0 < val && val <= this.pagesCount)) { + return false; + } + const previous = this._currentPageNumber; + this._currentPageNumber = val; + this.eventBus.dispatch("pagechanging", { + source: this, + pageNumber: val, + pageLabel: this._pageLabels?.[val - 1] ?? null, + previous + }); + if (resetCurrentPageView) { + this.#resetCurrentPageView(); + } + return true; + } + get currentPageLabel() { + return this._pageLabels?.[this._currentPageNumber - 1] ?? null; + } + set currentPageLabel(val) { + if (!this.pdfDocument) { + return; + } + let page = val | 0; + if (this._pageLabels) { + const i = this._pageLabels.indexOf(val); + if (i >= 0) { + page = i + 1; + } + } + if (!this._setCurrentPageNumber(page, true)) { + console.error(`currentPageLabel: "${val}" is not a valid page.`); + } + } + get currentScale() { + return this._currentScale !== UNKNOWN_SCALE ? this._currentScale : DEFAULT_SCALE; + } + set currentScale(val) { + if (isNaN(val)) { + throw new Error("Invalid numeric scale."); + } + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + get currentScaleValue() { + return this._currentScaleValue; + } + set currentScaleValue(val) { + if (!this.pdfDocument) { + return; + } + this.#setScale(val, { + noScroll: false + }); + } + get pagesRotation() { + return this._pagesRotation; + } + set pagesRotation(rotation) { + if (!isValidRotation(rotation)) { + throw new Error("Invalid pages rotation angle."); + } + if (!this.pdfDocument) { + return; + } + rotation %= 360; + if (rotation < 0) { + rotation += 360; + } + if (this._pagesRotation === rotation) { + return; + } + this._pagesRotation = rotation; + const pageNumber = this._currentPageNumber; + this.refresh(true, { + rotation + }); + if (this._currentScaleValue) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.eventBus.dispatch("rotationchanging", { + source: this, + pagesRotation: rotation, + pageNumber + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + get firstPagePromise() { + return this.pdfDocument ? this._firstPageCapability.promise : null; + } + get onePageRendered() { + return this.pdfDocument ? this._onePageRenderedCapability.promise : null; + } + get pagesPromise() { + return this.pdfDocument ? this._pagesCapability.promise : null; + } + get _layerProperties() { + const self = this; + return shadow(this, "_layerProperties", { + get annotationEditorUIManager() { + return self.#annotationEditorUIManager; + }, + get annotationStorage() { + return self.pdfDocument?.annotationStorage; + }, + get downloadManager() { + return self.downloadManager; + }, + get enableScripting() { + return !!self._scriptingManager; + }, + get fieldObjectsPromise() { + return self.pdfDocument?.getFieldObjects(); + }, + get findController() { + return self.findController; + }, + get hasJSActionsPromise() { + return self.pdfDocument?.hasJSActions(); + }, + get linkService() { + return self.linkService; + } + }); + } + #initializePermissions(permissions) { + const params = { + annotationEditorMode: this.#annotationEditorMode, + annotationMode: this.#annotationMode, + textLayerMode: this.#textLayerMode + }; + if (!permissions) { + return params; + } + if (!permissions.includes(PermissionFlag.COPY) && this.#textLayerMode === TextLayerMode.ENABLE) { + params.textLayerMode = TextLayerMode.ENABLE_PERMISSIONS; + } + if (!permissions.includes(PermissionFlag.MODIFY_CONTENTS)) { + params.annotationEditorMode = AnnotationEditorType.DISABLE; + } + if (!permissions.includes(PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === AnnotationMode.ENABLE_FORMS) { + params.annotationMode = AnnotationMode.ENABLE; + } + return params; + } + async #onePageRenderedOrForceFetch() { + if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { + return; + } + const visibilityChangePromise = new Promise(resolve => { + this.#onVisibilityChange = () => { + if (document.visibilityState !== "hidden") { + return; + } + resolve(); + }; + document.addEventListener("visibilitychange", this.#onVisibilityChange); + }); + await Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]); + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + async getAllText() { + const texts = []; + const buffer = []; + for (let pageNum = 1, pagesCount = this.pdfDocument.numPages; pageNum <= pagesCount; ++pageNum) { + if (this.#interruptCopyCondition) { + return null; + } + buffer.length = 0; + const page = await this.pdfDocument.getPage(pageNum); + const { + items + } = await page.getTextContent(); + for (const item of items) { + if (item.str) { + buffer.push(item.str); + } + if (item.hasEOL) { + buffer.push("\n"); + } + } + texts.push(removeNullCharacters(buffer.join(""))); + } + return texts.join("\n"); + } + #copyCallback(textLayerMode, event) { + const selection = document.getSelection(); + const { + focusNode, + anchorNode + } = selection; + if (anchorNode && focusNode && selection.containsNode(this.#hiddenCopyElement)) { + if (this.#getAllTextInProgress || textLayerMode === TextLayerMode.ENABLE_PERMISSIONS) { + event.preventDefault(); + event.stopPropagation(); + return; + } + this.#getAllTextInProgress = true; + const savedCursor = this.container.style.cursor; + this.container.style.cursor = "wait"; + const interruptCopy = ev => this.#interruptCopyCondition = ev.key === "Escape"; + window.addEventListener("keydown", interruptCopy); + this.getAllText().then(async text => { + if (text !== null) { + await navigator.clipboard.writeText(text); + } + }).catch(reason => { + console.warn(`Something goes wrong when extracting the text: ${reason.message}`); + }).finally(() => { + this.#getAllTextInProgress = false; + this.#interruptCopyCondition = false; + window.removeEventListener("keydown", interruptCopy); + this.container.style.cursor = savedCursor; + }); + event.preventDefault(); + event.stopPropagation(); + } + } + setDocument(pdfDocument) { + if (this.pdfDocument) { + this.eventBus.dispatch("pagesdestroy", { + source: this + }); + this._cancelRendering(); + this._resetView(); + this.findController?.setDocument(null); + this._scriptingManager?.setDocument(null); + if (this.#annotationEditorUIManager) { + this.#annotationEditorUIManager.destroy(); + this.#annotationEditorUIManager = null; + } + } + this.pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const pagesCount = pdfDocument.numPages; + const firstPagePromise = pdfDocument.getPage(1); + const optionalContentConfigPromise = pdfDocument.getOptionalContentConfig(); + const permissionsPromise = this.#enablePermissions ? pdfDocument.getPermissions() : Promise.resolve(); + if (pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { + console.warn("Forcing PAGE-scrolling for performance reasons, given the length of the document."); + const mode = this._scrollMode = ScrollMode.PAGE; + this.eventBus.dispatch("scrollmodechanged", { + source: this, + mode + }); + } + this._pagesCapability.promise.then(() => { + this.eventBus.dispatch("pagesloaded", { + source: this, + pagesCount + }); + }, () => {}); + this._onBeforeDraw = evt => { + const pageView = this._pages[evt.pageNumber - 1]; + if (!pageView) { + return; + } + this.#buffer.push(pageView); + }; + this.eventBus._on("pagerender", this._onBeforeDraw); + this._onAfterDraw = evt => { + if (evt.cssTransform || this._onePageRenderedCapability.settled) { + return; + } + this._onePageRenderedCapability.resolve({ + timestamp: evt.timestamp + }); + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + }; + this.eventBus._on("pagerendered", this._onAfterDraw); + Promise.all([firstPagePromise, permissionsPromise]).then(([firstPdfPage, permissions]) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this._firstPageCapability.resolve(firstPdfPage); + this._optionalContentConfigPromise = optionalContentConfigPromise; + const { + annotationEditorMode, + annotationMode, + textLayerMode + } = this.#initializePermissions(permissions); + if (textLayerMode !== TextLayerMode.DISABLE) { + const element = this.#hiddenCopyElement = document.createElement("div"); + element.id = "hiddenCopyElement"; + this.viewer.before(element); + } + if (annotationEditorMode !== AnnotationEditorType.DISABLE) { + const mode = annotationEditorMode; + if (pdfDocument.isPureXfa) { + console.warn("Warning: XFA-editing is not implemented."); + } else if (isValidAnnotationEditorMode(mode)) { + this.#annotationEditorUIManager = new AnnotationEditorUIManager(this.container, this.viewer, this.#altTextManager, this.eventBus, pdfDocument, this.pageColors, this.#annotationEditorHighlightColors, this.#mlManager); + this.eventBus.dispatch("annotationeditoruimanager", { + source: this, + uiManager: this.#annotationEditorUIManager + }); + if (mode !== AnnotationEditorType.NONE) { + this.#annotationEditorUIManager.updateMode(mode); + } + } else { + console.error(`Invalid AnnotationEditor mode: ${mode}`); + } + } + const viewerElement = this._scrollMode === ScrollMode.PAGE ? null : this.viewer; + const scale = this.currentScale; + const viewport = firstPdfPage.getViewport({ + scale: scale * PixelsPerInch.PDF_TO_CSS_UNITS + }); + this.viewer.style.setProperty("--scale-factor", viewport.scale); + if (this.pageColors?.foreground === "CanvasText" || this.pageColors?.background === "Canvas") { + this.viewer.style.setProperty("--hcm-highlight-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight", "CanvasText", "Canvas", "HighlightText", "Highlight")); + this.viewer.style.setProperty("--hcm-highlight-selected-filter", pdfDocument.filterFactory.addHighlightHCMFilter("highlight_selected", "CanvasText", "Canvas", "HighlightText", "ButtonText")); + } + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const pageView = new PDFPageView({ + container: viewerElement, + eventBus: this.eventBus, + id: pageNum, + scale, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + renderingQueue: this.renderingQueue, + textLayerMode, + annotationMode, + imageResourcesPath: this.imageResourcesPath, + maxCanvasPixels: this.maxCanvasPixels, + pageColors: this.pageColors, + l10n: this.l10n, + layerProperties: this._layerProperties + }); + this._pages.push(pageView); + } + const firstPageView = this._pages[0]; + if (firstPageView) { + firstPageView.setPdfPage(firstPdfPage); + this.linkService.cachePageRef(1, firstPdfPage.ref); + } + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._spreadMode !== SpreadMode.NONE) { + this._updateSpreadMode(); + } + this.#onePageRenderedOrForceFetch().then(async () => { + this.findController?.setDocument(pdfDocument); + this._scriptingManager?.setDocument(pdfDocument); + if (this.#hiddenCopyElement) { + this.#copyCallbackBound = this.#copyCallback.bind(this, textLayerMode); + document.addEventListener("copy", this.#copyCallbackBound); + } + if (this.#annotationEditorUIManager) { + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode: this.#annotationEditorMode + }); + } + if (pdfDocument.loadingParams.disableAutoFetch || pagesCount > PagesCountLimit.FORCE_LAZY_PAGE_INIT) { + this._pagesCapability.resolve(); + return; + } + let getPagesLeft = pagesCount - 1; + if (getPagesLeft <= 0) { + this._pagesCapability.resolve(); + return; + } + for (let pageNum = 2; pageNum <= pagesCount; ++pageNum) { + const promise = pdfDocument.getPage(pageNum).then(pdfPage => { + const pageView = this._pages[pageNum - 1]; + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + this.linkService.cachePageRef(pageNum, pdfPage.ref); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }, reason => { + console.error(`Unable to get page ${pageNum} to initialize viewer`, reason); + if (--getPagesLeft === 0) { + this._pagesCapability.resolve(); + } + }); + if (pageNum % PagesCountLimit.PAUSE_EAGER_PAGE_INIT === 0) { + await promise; + } + } + }); + this.eventBus.dispatch("pagesinit", { + source: this + }); + pdfDocument.getMetadata().then(({ + info + }) => { + if (pdfDocument !== this.pdfDocument) { + return; + } + if (info.Language) { + this.viewer.lang = info.Language; + } + }); + if (this.defaultRenderingQueue) { + this.update(); + } + }).catch(reason => { + console.error("Unable to initialize viewer", reason); + this._pagesCapability.reject(reason); + }); + } + setPageLabels(labels) { + if (!this.pdfDocument) { + return; + } + if (!labels) { + this._pageLabels = null; + } else if (!(Array.isArray(labels) && this.pdfDocument.numPages === labels.length)) { + this._pageLabels = null; + console.error(`setPageLabels: Invalid page labels.`); + } else { + this._pageLabels = labels; + } + for (let i = 0, ii = this._pages.length; i < ii; i++) { + this._pages[i].setPageLabel(this._pageLabels?.[i] ?? null); + } + } + _resetView() { + this._pages = []; + this._currentPageNumber = 1; + this._currentScale = UNKNOWN_SCALE; + this._currentScaleValue = null; + this._pageLabels = null; + this.#buffer = new PDFPageViewBuffer(DEFAULT_CACHE_SIZE); + this._location = null; + this._pagesRotation = 0; + this._optionalContentConfigPromise = null; + this._firstPageCapability = new PromiseCapability(); + this._onePageRenderedCapability = new PromiseCapability(); + this._pagesCapability = new PromiseCapability(); + this._scrollMode = ScrollMode.VERTICAL; + this._previousScrollMode = ScrollMode.UNKNOWN; + this._spreadMode = SpreadMode.NONE; + this.#scrollModePageState = { + previousPageNumber: 1, + scrollDown: true, + pages: [] + }; + if (this._onBeforeDraw) { + this.eventBus._off("pagerender", this._onBeforeDraw); + this._onBeforeDraw = null; + } + if (this._onAfterDraw) { + this.eventBus._off("pagerendered", this._onAfterDraw); + this._onAfterDraw = null; + } + if (this.#onVisibilityChange) { + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + } + this.viewer.textContent = ""; + this._updateScrollMode(); + this.viewer.removeAttribute("lang"); + if (this.#hiddenCopyElement) { + document.removeEventListener("copy", this.#copyCallbackBound); + this.#copyCallbackBound = null; + this.#hiddenCopyElement.remove(); + this.#hiddenCopyElement = null; + } + } + #ensurePageViewVisible() { + if (this._scrollMode !== ScrollMode.PAGE) { + throw new Error("#ensurePageViewVisible: Invalid scrollMode value."); + } + const pageNumber = this._currentPageNumber, + state = this.#scrollModePageState, + viewer = this.viewer; + viewer.textContent = ""; + state.pages.length = 0; + if (this._spreadMode === SpreadMode.NONE && !this.isInPresentationMode) { + const pageView = this._pages[pageNumber - 1]; + viewer.append(pageView.div); + state.pages.push(pageView); + } else { + const pageIndexSet = new Set(), + parity = this._spreadMode - 1; + if (parity === -1) { + pageIndexSet.add(pageNumber - 1); + } else if (pageNumber % 2 !== parity) { + pageIndexSet.add(pageNumber - 1); + pageIndexSet.add(pageNumber); + } else { + pageIndexSet.add(pageNumber - 2); + pageIndexSet.add(pageNumber - 1); + } + const spread = document.createElement("div"); + spread.className = "spread"; + if (this.isInPresentationMode) { + const dummyPage = document.createElement("div"); + dummyPage.className = "dummyPage"; + spread.append(dummyPage); + } + for (const i of pageIndexSet) { + const pageView = this._pages[i]; + if (!pageView) { + continue; + } + spread.append(pageView.div); + state.pages.push(pageView); + } + viewer.append(spread); + } + state.scrollDown = pageNumber >= state.previousPageNumber; + state.previousPageNumber = pageNumber; + } + _scrollUpdate() { + if (this.pagesCount === 0) { + return; + } + this.update(); + } + #scrollIntoView(pageView, pageSpot = null) { + const { + div, + id + } = pageView; + if (this._currentPageNumber !== id) { + this._setCurrentPageNumber(id); + } + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + this.update(); + } + if (!pageSpot && !this.isInPresentationMode) { + const left = div.offsetLeft + div.clientLeft, + right = left + div.clientWidth; + const { + scrollLeft, + clientWidth + } = this.container; + if (this._scrollMode === ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { + pageSpot = { + left: 0, + top: 0 + }; + } + } + scrollIntoView(div, pageSpot); + if (!this._currentScaleValue && this._location) { + this._location = null; + } + } + #isSameScale(newScale) { + return newScale === this._currentScale || Math.abs(newScale - this._currentScale) < 1e-15; + } + #setScaleUpdatePages(newScale, newValue, { + noScroll = false, + preset = false, + drawingDelay = -1 + }) { + this._currentScaleValue = newValue.toString(); + if (this.#isSameScale(newScale)) { + if (preset) { + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: newValue + }); + } + return; + } + this.viewer.style.setProperty("--scale-factor", newScale * PixelsPerInch.PDF_TO_CSS_UNITS); + const postponeDrawing = drawingDelay >= 0 && drawingDelay < 1000; + this.refresh(true, { + scale: newScale, + drawingDelay: postponeDrawing ? drawingDelay : -1 + }); + if (postponeDrawing) { + this.#scaleTimeoutId = setTimeout(() => { + this.#scaleTimeoutId = null; + this.refresh(); + }, drawingDelay); + } + this._currentScale = newScale; + if (!noScroll) { + let page = this._currentPageNumber, + dest; + if (this._location && !(this.isInPresentationMode || this.isChangingPresentationMode)) { + page = this._location.pageNumber; + dest = [null, { + name: "XYZ" + }, this._location.left, this._location.top, null]; + } + this.scrollPageIntoView({ + pageNumber: page, + destArray: dest, + allowNegativeOffset: true + }); + } + this.eventBus.dispatch("scalechanging", { + source: this, + scale: newScale, + presetValue: preset ? newValue : undefined + }); + if (this.defaultRenderingQueue) { + this.update(); + } + } + get #pageWidthScaleFactor() { + if (this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL) { + return 2; + } + return 1; + } + #setScale(value, options) { + let scale = parseFloat(value); + if (scale > 0) { + options.preset = false; + this.#setScaleUpdatePages(scale, value, options); + } else { + const currentPage = this._pages[this._currentPageNumber - 1]; + if (!currentPage) { + return; + } + let hPadding = SCROLLBAR_PADDING, + vPadding = VERTICAL_PADDING; + if (this.isInPresentationMode) { + hPadding = vPadding = 4; + if (this._spreadMode !== SpreadMode.NONE) { + hPadding *= 2; + } + } else if (this._scrollMode === ScrollMode.HORIZONTAL) { + [hPadding, vPadding] = [vPadding, hPadding]; + } + const pageWidthScale = (this.container.clientWidth - hPadding) / currentPage.width * currentPage.scale / this.#pageWidthScaleFactor; + const pageHeightScale = (this.container.clientHeight - vPadding) / currentPage.height * currentPage.scale; + switch (value) { + case "page-actual": + scale = 1; + break; + case "page-width": + scale = pageWidthScale; + break; + case "page-height": + scale = pageHeightScale; + break; + case "page-fit": + scale = Math.min(pageWidthScale, pageHeightScale); + break; + case "auto": + const horizontalScale = isPortraitOrientation(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); + scale = Math.min(MAX_AUTO_SCALE, horizontalScale); + break; + default: + console.error(`#setScale: "${value}" is an unknown zoom value.`); + return; + } + options.preset = true; + this.#setScaleUpdatePages(scale, value, options); + } + } + #resetCurrentPageView() { + const pageView = this._pages[this._currentPageNumber - 1]; + if (this.isInPresentationMode) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this.#scrollIntoView(pageView); + } + pageLabelToPageNumber(label) { + if (!this._pageLabels) { + return null; + } + const i = this._pageLabels.indexOf(label); + if (i < 0) { + return null; + } + return i + 1; + } + scrollPageIntoView({ + pageNumber, + destArray = null, + allowNegativeOffset = false, + ignoreDestinationZoom = false + }) { + if (!this.pdfDocument) { + return; + } + const pageView = Number.isInteger(pageNumber) && this._pages[pageNumber - 1]; + if (!pageView) { + console.error(`scrollPageIntoView: "${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + if (this.isInPresentationMode || !destArray) { + this._setCurrentPageNumber(pageNumber, true); + return; + } + let x = 0, + y = 0; + let width = 0, + height = 0, + widthScale, + heightScale; + const changeOrientation = pageView.rotation % 180 !== 0; + const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; + const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / PixelsPerInch.PDF_TO_CSS_UNITS; + let scale = 0; + switch (destArray[1].name) { + case "XYZ": + x = destArray[2]; + y = destArray[3]; + scale = destArray[4]; + x = x !== null ? x : 0; + y = y !== null ? y : pageHeight; + break; + case "Fit": + case "FitB": + scale = "page-fit"; + break; + case "FitH": + case "FitBH": + y = destArray[2]; + scale = "page-width"; + if (y === null && this._location) { + x = this._location.left; + y = this._location.top; + } else if (typeof y !== "number" || y < 0) { + y = pageHeight; + } + break; + case "FitV": + case "FitBV": + x = destArray[2]; + width = pageWidth; + height = pageHeight; + scale = "page-height"; + break; + case "FitR": + x = destArray[2]; + y = destArray[3]; + width = destArray[4] - x; + height = destArray[5] - y; + let hPadding = SCROLLBAR_PADDING, + vPadding = VERTICAL_PADDING; + widthScale = (this.container.clientWidth - hPadding) / width / PixelsPerInch.PDF_TO_CSS_UNITS; + heightScale = (this.container.clientHeight - vPadding) / height / PixelsPerInch.PDF_TO_CSS_UNITS; + scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); + break; + default: + console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); + return; + } + if (!ignoreDestinationZoom) { + if (scale && scale !== this._currentScale) { + this.currentScaleValue = scale; + } else if (this._currentScale === UNKNOWN_SCALE) { + this.currentScaleValue = DEFAULT_SCALE_VALUE; + } + } + if (scale === "page-fit" && !destArray[4]) { + this.#scrollIntoView(pageView); + return; + } + const boundingRect = [pageView.viewport.convertToViewportPoint(x, y), pageView.viewport.convertToViewportPoint(x + width, y + height)]; + let left = Math.min(boundingRect[0][0], boundingRect[1][0]); + let top = Math.min(boundingRect[0][1], boundingRect[1][1]); + if (!allowNegativeOffset) { + left = Math.max(left, 0); + top = Math.max(top, 0); + } + this.#scrollIntoView(pageView, { + left, + top + }); + } + _updateLocation(firstPage) { + const currentScale = this._currentScale; + const currentScaleValue = this._currentScaleValue; + const normalizedScaleValue = parseFloat(currentScaleValue) === currentScale ? Math.round(currentScale * 10000) / 100 : currentScaleValue; + const pageNumber = firstPage.id; + const currentPageView = this._pages[pageNumber - 1]; + const container = this.container; + const topLeft = currentPageView.getPagePoint(container.scrollLeft - firstPage.x, container.scrollTop - firstPage.y); + const intLeft = Math.round(topLeft[0]); + const intTop = Math.round(topLeft[1]); + let pdfOpenParams = `#page=${pageNumber}`; + if (!this.isInPresentationMode) { + pdfOpenParams += `&zoom=${normalizedScaleValue},${intLeft},${intTop}`; + } + this._location = { + pageNumber, + scale: normalizedScaleValue, + top: intTop, + left: intLeft, + rotation: this._pagesRotation, + pdfOpenParams + }; + } + update() { + const visible = this._getVisiblePages(); + const visiblePages = visible.views, + numVisiblePages = visiblePages.length; + if (numVisiblePages === 0) { + return; + } + const newCacheSize = Math.max(DEFAULT_CACHE_SIZE, 2 * numVisiblePages + 1); + this.#buffer.resize(newCacheSize, visible.ids); + this.renderingQueue.renderHighestPriority(visible); + const isSimpleLayout = this._spreadMode === SpreadMode.NONE && (this._scrollMode === ScrollMode.PAGE || this._scrollMode === ScrollMode.VERTICAL); + const currentId = this._currentPageNumber; + let stillFullyVisible = false; + for (const page of visiblePages) { + if (page.percent < 100) { + break; + } + if (page.id === currentId && isSimpleLayout) { + stillFullyVisible = true; + break; + } + } + this._setCurrentPageNumber(stillFullyVisible ? currentId : visiblePages[0].id); + this._updateLocation(visible.first); + this.eventBus.dispatch("updateviewarea", { + source: this, + location: this._location + }); + } + containsElement(element) { + return this.container.contains(element); + } + focus() { + this.container.focus(); + } + get _isContainerRtl() { + return getComputedStyle(this.container).direction === "rtl"; + } + get isInPresentationMode() { + return this.presentationModeState === PresentationModeState.FULLSCREEN; + } + get isChangingPresentationMode() { + return this.presentationModeState === PresentationModeState.CHANGING; + } + get isHorizontalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollWidth > this.container.clientWidth; + } + get isVerticalScrollbarEnabled() { + return this.isInPresentationMode ? false : this.container.scrollHeight > this.container.clientHeight; + } + _getVisiblePages() { + const views = this._scrollMode === ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, + horizontal = this._scrollMode === ScrollMode.HORIZONTAL, + rtl = horizontal && this._isContainerRtl; + return getVisibleElements({ + scrollEl: this.container, + views, + sortByVisibility: true, + horizontal, + rtl + }); + } + cleanup() { + for (const pageView of this._pages) { + if (pageView.renderingState !== RenderingStates.FINISHED) { + pageView.reset(); + } + } + } + _cancelRendering() { + for (const pageView of this._pages) { + pageView.cancelRendering(); + } + } + async #ensurePdfPageLoaded(pageView) { + if (pageView.pdfPage) { + return pageView.pdfPage; + } + try { + const pdfPage = await this.pdfDocument.getPage(pageView.id); + if (!pageView.pdfPage) { + pageView.setPdfPage(pdfPage); + } + if (!this.linkService._cachedPageNumber?.(pdfPage.ref)) { + this.linkService.cachePageRef(pageView.id, pdfPage.ref); + } + return pdfPage; + } catch (reason) { + console.error("Unable to get page for page view", reason); + return null; + } + } + #getScrollAhead(visible) { + if (visible.first?.id === 1) { + return true; + } else if (visible.last?.id === this.pagesCount) { + return false; + } + switch (this._scrollMode) { + case ScrollMode.PAGE: + return this.#scrollModePageState.scrollDown; + case ScrollMode.HORIZONTAL: + return this.scroll.right; + } + return this.scroll.down; + } + forceRendering(currentlyVisiblePages) { + const visiblePages = currentlyVisiblePages || this._getVisiblePages(); + const scrollAhead = this.#getScrollAhead(visiblePages); + const preRenderExtra = this._spreadMode !== SpreadMode.NONE && this._scrollMode !== ScrollMode.HORIZONTAL; + const pageView = this.renderingQueue.getHighestPriority(visiblePages, this._pages, scrollAhead, preRenderExtra); + if (pageView) { + this.#ensurePdfPageLoaded(pageView).then(() => { + this.renderingQueue.renderView(pageView); + }); + return true; + } + return false; + } + get hasEqualPageSizes() { + const firstPageView = this._pages[0]; + for (let i = 1, ii = this._pages.length; i < ii; ++i) { + const pageView = this._pages[i]; + if (pageView.width !== firstPageView.width || pageView.height !== firstPageView.height) { + return false; + } + } + return true; + } + getPagesOverview() { + let initialOrientation; + return this._pages.map(pageView => { + const viewport = pageView.pdfPage.getViewport({ + scale: 1 + }); + const orientation = isPortraitOrientation(viewport); + if (initialOrientation === undefined) { + initialOrientation = orientation; + } else if (this.enablePrintAutoRotate && orientation !== initialOrientation) { + return { + width: viewport.height, + height: viewport.width, + rotation: (viewport.rotation - 90) % 360 + }; + } + return { + width: viewport.width, + height: viewport.height, + rotation: viewport.rotation + }; + }); + } + get optionalContentConfigPromise() { + if (!this.pdfDocument) { + return Promise.resolve(null); + } + if (!this._optionalContentConfigPromise) { + console.error("optionalContentConfigPromise: Not initialized yet."); + return this.pdfDocument.getOptionalContentConfig(); + } + return this._optionalContentConfigPromise; + } + set optionalContentConfigPromise(promise) { + if (!(promise instanceof Promise)) { + throw new Error(`Invalid optionalContentConfigPromise: ${promise}`); + } + if (!this.pdfDocument) { + return; + } + if (!this._optionalContentConfigPromise) { + return; + } + this._optionalContentConfigPromise = promise; + this.refresh(false, { + optionalContentConfigPromise: promise + }); + this.eventBus.dispatch("optionalcontentconfigchanged", { + source: this, + promise + }); + } + get scrollMode() { + return this._scrollMode; + } + set scrollMode(mode) { + if (this._scrollMode === mode) { + return; + } + if (!isValidScrollMode(mode)) { + throw new Error(`Invalid scroll mode: ${mode}`); + } + if (this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE) { + return; + } + this._previousScrollMode = this._scrollMode; + this._scrollMode = mode; + this.eventBus.dispatch("scrollmodechanged", { + source: this, + mode + }); + this._updateScrollMode(this._currentPageNumber); + } + _updateScrollMode(pageNumber = null) { + const scrollMode = this._scrollMode, + viewer = this.viewer; + viewer.classList.toggle("scrollHorizontal", scrollMode === ScrollMode.HORIZONTAL); + viewer.classList.toggle("scrollWrapped", scrollMode === ScrollMode.WRAPPED); + if (!this.pdfDocument || !pageNumber) { + return; + } + if (scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._previousScrollMode === ScrollMode.PAGE) { + this._updateSpreadMode(); + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + get spreadMode() { + return this._spreadMode; + } + set spreadMode(mode) { + if (this._spreadMode === mode) { + return; + } + if (!isValidSpreadMode(mode)) { + throw new Error(`Invalid spread mode: ${mode}`); + } + this._spreadMode = mode; + this.eventBus.dispatch("spreadmodechanged", { + source: this, + mode + }); + this._updateSpreadMode(this._currentPageNumber); + } + _updateSpreadMode(pageNumber = null) { + if (!this.pdfDocument) { + return; + } + const viewer = this.viewer, + pages = this._pages; + if (this._scrollMode === ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else { + viewer.textContent = ""; + if (this._spreadMode === SpreadMode.NONE) { + for (const pageView of this._pages) { + viewer.append(pageView.div); + } + } else { + const parity = this._spreadMode - 1; + let spread = null; + for (let i = 0, ii = pages.length; i < ii; ++i) { + if (spread === null) { + spread = document.createElement("div"); + spread.className = "spread"; + viewer.append(spread); + } else if (i % 2 === parity) { + spread = spread.cloneNode(false); + viewer.append(spread); + } + spread.append(pages[i].div); + } + } + } + if (!pageNumber) { + return; + } + if (this._currentScaleValue && isNaN(this._currentScaleValue)) { + this.#setScale(this._currentScaleValue, { + noScroll: true + }); + } + this._setCurrentPageNumber(pageNumber, true); + this.update(); + } + _getPageAdvance(currentPageNumber, previous = false) { + switch (this._scrollMode) { + case ScrollMode.WRAPPED: + { + const { + views + } = this._getVisiblePages(), + pageLayout = new Map(); + for (const { + id, + y, + percent, + widthPercent + } of views) { + if (percent === 0 || widthPercent < 100) { + continue; + } + let yArray = pageLayout.get(y); + if (!yArray) { + pageLayout.set(y, yArray ||= []); + } + yArray.push(id); + } + for (const yArray of pageLayout.values()) { + const currentIndex = yArray.indexOf(currentPageNumber); + if (currentIndex === -1) { + continue; + } + const numPages = yArray.length; + if (numPages === 1) { + break; + } + if (previous) { + for (let i = currentIndex - 1, ii = 0; i >= ii; i--) { + const currentId = yArray[i], + expectedId = yArray[i + 1] - 1; + if (currentId < expectedId) { + return currentPageNumber - expectedId; + } + } + } else { + for (let i = currentIndex + 1, ii = numPages; i < ii; i++) { + const currentId = yArray[i], + expectedId = yArray[i - 1] + 1; + if (currentId > expectedId) { + return expectedId - currentPageNumber; + } + } + } + if (previous) { + const firstId = yArray[0]; + if (firstId < currentPageNumber) { + return currentPageNumber - firstId + 1; + } + } else { + const lastId = yArray[numPages - 1]; + if (lastId > currentPageNumber) { + return lastId - currentPageNumber + 1; + } + } + break; + } + break; + } + case ScrollMode.HORIZONTAL: + { + break; + } + case ScrollMode.PAGE: + case ScrollMode.VERTICAL: + { + if (this._spreadMode === SpreadMode.NONE) { + break; + } + const parity = this._spreadMode - 1; + if (previous && currentPageNumber % 2 !== parity) { + break; + } else if (!previous && currentPageNumber % 2 === parity) { + break; + } + const { + views + } = this._getVisiblePages(), + expectedId = previous ? currentPageNumber - 1 : currentPageNumber + 1; + for (const { + id, + percent, + widthPercent + } of views) { + if (id !== expectedId) { + continue; + } + if (percent > 0 && widthPercent === 100) { + return 2; + } + break; + } + break; + } + } + return 1; + } + nextPage() { + const currentPageNumber = this._currentPageNumber, + pagesCount = this.pagesCount; + if (currentPageNumber >= pagesCount) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, false) || 1; + this.currentPageNumber = Math.min(currentPageNumber + advance, pagesCount); + return true; + } + previousPage() { + const currentPageNumber = this._currentPageNumber; + if (currentPageNumber <= 1) { + return false; + } + const advance = this._getPageAdvance(currentPageNumber, true) || 1; + this.currentPageNumber = Math.max(currentPageNumber - advance, 1); + return true; + } + increaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.ceil((newScale * DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale < MAX_SCALE); + } + this.#setScale(Math.min(MAX_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + decreaseScale({ + drawingDelay, + scaleFactor, + steps + } = {}) { + if (!this.pdfDocument) { + return; + } + let newScale = this._currentScale; + if (scaleFactor > 0 && scaleFactor < 1) { + newScale = Math.round(newScale * scaleFactor * 100) / 100; + } else { + steps ??= 1; + do { + newScale = Math.floor((newScale / DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale > MIN_SCALE); + } + this.#setScale(Math.max(MIN_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + #updateContainerHeightCss(height = this.container.clientHeight) { + if (height !== this.#previousContainerHeight) { + this.#previousContainerHeight = height; + docStyle.setProperty("--viewer-container-height", `${height}px`); + } + } + #resizeObserverCallback(entries) { + for (const entry of entries) { + if (entry.target === this.container) { + this.#updateContainerHeightCss(Math.floor(entry.borderBoxSize[0].blockSize)); + this.#containerTopLeft = null; + break; + } + } + } + get containerTopLeft() { + return this.#containerTopLeft ||= [this.container.offsetTop, this.container.offsetLeft]; + } + get annotationEditorMode() { + return this.#annotationEditorUIManager ? this.#annotationEditorMode : AnnotationEditorType.DISABLE; + } + set annotationEditorMode({ + mode, + editId = null, + isFromKeyboard = false + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + if (this.#annotationEditorMode === mode) { + return; + } + if (!isValidAnnotationEditorMode(mode)) { + throw new Error(`Invalid AnnotationEditor mode: ${mode}`); + } + if (!this.pdfDocument) { + return; + } + this.#annotationEditorMode = mode; + this.eventBus.dispatch("annotationeditormodechanged", { + source: this, + mode + }); + this.#annotationEditorUIManager.updateMode(mode, editId, isFromKeyboard); + } + set annotationEditorParams({ + type, + value + }) { + if (!this.#annotationEditorUIManager) { + throw new Error(`The AnnotationEditor is not enabled.`); + } + this.#annotationEditorUIManager.updateParams(type, value); + } + refresh(noUpdate = false, updateArgs = Object.create(null)) { + if (!this.pdfDocument) { + return; + } + for (const pageView of this._pages) { + pageView.update(updateArgs); + } + if (this.#scaleTimeoutId !== null) { + clearTimeout(this.#scaleTimeoutId); + this.#scaleTimeoutId = null; + } + if (!noUpdate) { + this.update(); + } + } +} + +;// CONCATENATED MODULE: ./web/secondary_toolbar.js + + +class SecondaryToolbar { + #opts; + constructor(options, eventBus) { + this.#opts = options; + const buttons = [{ + element: options.presentationModeButton, + eventName: "presentationmode", + close: true + }, { + element: options.printButton, + eventName: "print", + close: true + }, { + element: options.downloadButton, + eventName: "download", + close: true + }, { + element: options.viewBookmarkButton, + eventName: null, + close: true + }, { + element: options.firstPageButton, + eventName: "firstpage", + close: true + }, { + element: options.lastPageButton, + eventName: "lastpage", + close: true + }, { + element: options.pageRotateCwButton, + eventName: "rotatecw", + close: false + }, { + element: options.pageRotateCcwButton, + eventName: "rotateccw", + close: false + }, { + element: options.cursorSelectToolButton, + eventName: "switchcursortool", + eventDetails: { + tool: CursorTool.SELECT + }, + close: true + }, { + element: options.cursorHandToolButton, + eventName: "switchcursortool", + eventDetails: { + tool: CursorTool.HAND + }, + close: true + }, { + element: options.scrollPageButton, + eventName: "switchscrollmode", + eventDetails: { + mode: ScrollMode.PAGE + }, + close: true + }, { + element: options.scrollVerticalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: ScrollMode.VERTICAL + }, + close: true + }, { + element: options.scrollHorizontalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: ScrollMode.HORIZONTAL + }, + close: true + }, { + element: options.scrollWrappedButton, + eventName: "switchscrollmode", + eventDetails: { + mode: ScrollMode.WRAPPED + }, + close: true + }, { + element: options.spreadNoneButton, + eventName: "switchspreadmode", + eventDetails: { + mode: SpreadMode.NONE + }, + close: true + }, { + element: options.spreadOddButton, + eventName: "switchspreadmode", + eventDetails: { + mode: SpreadMode.ODD + }, + close: true + }, { + element: options.spreadEvenButton, + eventName: "switchspreadmode", + eventDetails: { + mode: SpreadMode.EVEN + }, + close: true + }, { + element: options.documentPropertiesButton, + eventName: "documentproperties", + close: true + }]; + this.eventBus = eventBus; + this.opened = false; + this.#bindListeners(buttons); + this.reset(); + } + get isOpen() { + return this.opened; + } + setPageNumber(pageNumber) { + this.pageNumber = pageNumber; + this.#updateUIState(); + } + setPagesCount(pagesCount) { + this.pagesCount = pagesCount; + this.#updateUIState(); + } + reset() { + this.pageNumber = 0; + this.pagesCount = 0; + this.#updateUIState(); + this.#scrollModeChanged({ + mode: ScrollMode.VERTICAL + }); + this.#spreadModeChanged({ + mode: SpreadMode.NONE + }); + } + #updateUIState() { + const { + firstPageButton, + lastPageButton, + pageRotateCwButton, + pageRotateCcwButton + } = this.#opts; + firstPageButton.disabled = this.pageNumber <= 1; + lastPageButton.disabled = this.pageNumber >= this.pagesCount; + pageRotateCwButton.disabled = this.pagesCount === 0; + pageRotateCcwButton.disabled = this.pagesCount === 0; + } + #bindListeners(buttons) { + const { + eventBus + } = this; + const { + toggleButton + } = this.#opts; + toggleButton.addEventListener("click", this.toggle.bind(this)); + for (const { + element, + eventName, + close, + eventDetails + } of buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + } + if (close) { + this.close(); + } + eventBus.dispatch("reporttelemetry", { + source: this, + details: { + type: "buttons", + data: { + id: element.id + } + } + }); + }); + } + eventBus._on("cursortoolchanged", this.#cursorToolChanged.bind(this)); + eventBus._on("scrollmodechanged", this.#scrollModeChanged.bind(this)); + eventBus._on("spreadmodechanged", this.#spreadModeChanged.bind(this)); + } + #cursorToolChanged({ + tool + }) { + const { + cursorSelectToolButton, + cursorHandToolButton + } = this.#opts; + toggleCheckedBtn(cursorSelectToolButton, tool === CursorTool.SELECT); + toggleCheckedBtn(cursorHandToolButton, tool === CursorTool.HAND); + } + #scrollModeChanged({ + mode + }) { + const { + scrollPageButton, + scrollVerticalButton, + scrollHorizontalButton, + scrollWrappedButton, + spreadNoneButton, + spreadOddButton, + spreadEvenButton + } = this.#opts; + toggleCheckedBtn(scrollPageButton, mode === ScrollMode.PAGE); + toggleCheckedBtn(scrollVerticalButton, mode === ScrollMode.VERTICAL); + toggleCheckedBtn(scrollHorizontalButton, mode === ScrollMode.HORIZONTAL); + toggleCheckedBtn(scrollWrappedButton, mode === ScrollMode.WRAPPED); + const forceScrollModePage = this.pagesCount > PagesCountLimit.FORCE_SCROLL_MODE_PAGE; + scrollPageButton.disabled = forceScrollModePage; + scrollVerticalButton.disabled = forceScrollModePage; + scrollHorizontalButton.disabled = forceScrollModePage; + scrollWrappedButton.disabled = forceScrollModePage; + const isHorizontal = mode === ScrollMode.HORIZONTAL; + spreadNoneButton.disabled = isHorizontal; + spreadOddButton.disabled = isHorizontal; + spreadEvenButton.disabled = isHorizontal; + } + #spreadModeChanged({ + mode + }) { + const { + spreadNoneButton, + spreadOddButton, + spreadEvenButton + } = this.#opts; + toggleCheckedBtn(spreadNoneButton, mode === SpreadMode.NONE); + toggleCheckedBtn(spreadOddButton, mode === SpreadMode.ODD); + toggleCheckedBtn(spreadEvenButton, mode === SpreadMode.EVEN); + } + open() { + if (this.opened) { + return; + } + this.opened = true; + const { + toggleButton, + toolbar + } = this.#opts; + toggleExpandedBtn(toggleButton, true, toolbar); + } + close() { + if (!this.opened) { + return; + } + this.opened = false; + const { + toggleButton, + toolbar + } = this.#opts; + toggleExpandedBtn(toggleButton, false, toolbar); + } + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } +} + +;// CONCATENATED MODULE: ./web/toolbar.js + + +class Toolbar { + #opts; + constructor(options, eventBus) { + this.#opts = options; + this.eventBus = eventBus; + const buttons = [{ + element: options.previous, + eventName: "previouspage" + }, { + element: options.next, + eventName: "nextpage" + }, { + element: options.zoomIn, + eventName: "zoomin" + }, { + element: options.zoomOut, + eventName: "zoomout" + }, { + element: options.print, + eventName: "print" + }, { + element: options.download, + eventName: "download" + }, { + element: options.editorFreeTextButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorFreeTextButton; + return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.FREETEXT; + } + } + }, { + element: options.editorHighlightButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorHighlightButton; + return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.HIGHLIGHT; + } + } + }, { + element: options.editorInkButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorInkButton; + return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.INK; + } + } + }, { + element: options.editorStampButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorStampButton; + return classList.contains("toggled") ? AnnotationEditorType.NONE : AnnotationEditorType.STAMP; + } + } + }]; + this.#bindListeners(buttons); + if (options.editorHighlightColorPicker) { + eventBus._on("annotationeditoruimanager", ({ + uiManager + }) => { + this.#setAnnotationEditorUIManager(uiManager, options.editorHighlightColorPicker); + }, { + once: true + }); + } + eventBus._on("showannotationeditorui", ({ + mode + }) => { + switch (mode) { + case AnnotationEditorType.HIGHLIGHT: + options.editorHighlightButton.click(); + break; + } + }); + this.reset(); + } + #setAnnotationEditorUIManager(uiManager, parentContainer) { + const colorPicker = new ColorPicker({ + uiManager + }); + uiManager.setMainHighlightColorPicker(colorPicker); + parentContainer.append(colorPicker.renderMainDropdown()); + } + setPageNumber(pageNumber, pageLabel) { + this.pageNumber = pageNumber; + this.pageLabel = pageLabel; + this.#updateUIState(false); + } + setPagesCount(pagesCount, hasPageLabels) { + this.pagesCount = pagesCount; + this.hasPageLabels = hasPageLabels; + this.#updateUIState(true); + } + setPageScale(pageScaleValue, pageScale) { + this.pageScaleValue = (pageScaleValue || pageScale).toString(); + this.pageScale = pageScale; + this.#updateUIState(false); + } + reset() { + this.pageNumber = 0; + this.pageLabel = null; + this.hasPageLabels = false; + this.pagesCount = 0; + this.pageScaleValue = DEFAULT_SCALE_VALUE; + this.pageScale = DEFAULT_SCALE; + this.#updateUIState(true); + this.updateLoadingIndicatorState(); + this.#editorModeChanged({ + mode: AnnotationEditorType.DISABLE + }); + } + #bindListeners(buttons) { + const { + eventBus + } = this; + const { + pageNumber, + scaleSelect + } = this.#opts; + const self = this; + for (const { + element, + eventName, + eventDetails + } of buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + eventBus.dispatch(eventName, { + source: this, + ...eventDetails, + isFromKeyboard: evt.detail === 0 + }); + } + }); + } + pageNumber.addEventListener("click", function () { + this.select(); + }); + pageNumber.addEventListener("change", function () { + eventBus.dispatch("pagenumberchanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("change", function () { + if (this.value === "custom") { + return; + } + eventBus.dispatch("scalechanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("click", function ({ + target + }) { + if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") { + this.blur(); + } + }); + scaleSelect.oncontextmenu = noContextMenu; + eventBus._on("annotationeditormodechanged", this.#editorModeChanged.bind(this)); + } + #editorModeChanged({ + mode + }) { + const { + editorFreeTextButton, + editorFreeTextParamsToolbar, + editorHighlightButton, + editorHighlightParamsToolbar, + editorInkButton, + editorInkParamsToolbar, + editorStampButton, + editorStampParamsToolbar + } = this.#opts; + toggleCheckedBtn(editorFreeTextButton, mode === AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar); + toggleCheckedBtn(editorHighlightButton, mode === AnnotationEditorType.HIGHLIGHT, editorHighlightParamsToolbar); + toggleCheckedBtn(editorInkButton, mode === AnnotationEditorType.INK, editorInkParamsToolbar); + toggleCheckedBtn(editorStampButton, mode === AnnotationEditorType.STAMP, editorStampParamsToolbar); + const isDisable = mode === AnnotationEditorType.DISABLE; + editorFreeTextButton.disabled = isDisable; + editorHighlightButton.disabled = isDisable; + editorInkButton.disabled = isDisable; + editorStampButton.disabled = isDisable; + } + #updateUIState(resetNumPages = false) { + const { + pageNumber, + pagesCount, + pageScaleValue, + pageScale + } = this; + const opts = this.#opts; + if (resetNumPages) { + if (this.hasPageLabels) { + opts.pageNumber.type = "text"; + opts.numPages.setAttribute("data-l10n-id", "pdfjs-page-of-pages"); + } else { + opts.pageNumber.type = "number"; + opts.numPages.setAttribute("data-l10n-id", "pdfjs-of-pages"); + opts.numPages.setAttribute("data-l10n-args", JSON.stringify({ + pagesCount + })); + } + opts.pageNumber.max = pagesCount; + } + if (this.hasPageLabels) { + opts.pageNumber.value = this.pageLabel; + opts.numPages.setAttribute("data-l10n-args", JSON.stringify({ + pageNumber, + pagesCount + })); + } else { + opts.pageNumber.value = pageNumber; + } + opts.previous.disabled = pageNumber <= 1; + opts.next.disabled = pageNumber >= pagesCount; + opts.zoomOut.disabled = pageScale <= MIN_SCALE; + opts.zoomIn.disabled = pageScale >= MAX_SCALE; + let predefinedValueFound = false; + for (const option of opts.scaleSelect.options) { + if (option.value !== pageScaleValue) { + option.selected = false; + continue; + } + option.selected = true; + predefinedValueFound = true; + } + if (!predefinedValueFound) { + opts.customScaleOption.selected = true; + opts.customScaleOption.setAttribute("data-l10n-args", JSON.stringify({ + scale: Math.round(pageScale * 10000) / 100 + })); + } + } + updateLoadingIndicatorState(loading = false) { + const { + pageNumber + } = this.#opts; + pageNumber.classList.toggle("loading", loading); + } +} + +;// CONCATENATED MODULE: ./web/view_history.js +const DEFAULT_VIEW_HISTORY_CACHE_SIZE = 20; +class ViewHistory { + constructor(fingerprint, cacheSize = DEFAULT_VIEW_HISTORY_CACHE_SIZE) { + this.fingerprint = fingerprint; + this.cacheSize = cacheSize; + this._initializedPromise = this._readFromStorage().then(databaseStr => { + const database = JSON.parse(databaseStr || "{}"); + let index = -1; + if (!Array.isArray(database.files)) { + database.files = []; + } else { + while (database.files.length >= this.cacheSize) { + database.files.shift(); + } + for (let i = 0, ii = database.files.length; i < ii; i++) { + const branch = database.files[i]; + if (branch.fingerprint === this.fingerprint) { + index = i; + break; + } + } + } + if (index === -1) { + index = database.files.push({ + fingerprint: this.fingerprint + }) - 1; + } + this.file = database.files[index]; + this.database = database; + }); + } + async _writeToStorage() { + const databaseStr = JSON.stringify(this.database); + sessionStorage.setItem("pdfjs.history", databaseStr); + } + async _readFromStorage() { + return sessionStorage.getItem("pdfjs.history"); + } + async set(name, val) { + await this._initializedPromise; + this.file[name] = val; + return this._writeToStorage(); + } + async setMultiple(properties) { + await this._initializedPromise; + for (const name in properties) { + this.file[name] = properties[name]; + } + return this._writeToStorage(); + } + async get(name, defaultValue) { + await this._initializedPromise; + const val = this.file[name]; + return val !== undefined ? val : defaultValue; + } + async getMultiple(properties) { + await this._initializedPromise; + const values = Object.create(null); + for (const name in properties) { + const val = this.file[name]; + values[name] = val !== undefined ? val : properties[name]; + } + return values; + } +} + +;// CONCATENATED MODULE: ./web/app.js + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +const FORCE_PAGES_LOADED_TIMEOUT = 10000; +const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; +const ViewOnLoad = { + UNKNOWN: -1, + PREVIOUS: 0, + INITIAL: 1 +}; +const PDFViewerApplication = { + initialBookmark: document.location.hash.substring(1), + _initializedCapability: new PromiseCapability(), + appConfig: null, + pdfDocument: null, + pdfLoadingTask: null, + printService: null, + pdfViewer: null, + pdfThumbnailViewer: null, + pdfRenderingQueue: null, + pdfPresentationMode: null, + pdfDocumentProperties: null, + pdfLinkService: null, + pdfHistory: null, + pdfSidebar: null, + pdfOutlineViewer: null, + pdfAttachmentViewer: null, + pdfLayerViewer: null, + pdfCursorTools: null, + pdfScriptingManager: null, + store: null, + downloadManager: null, + overlayManager: null, + preferences: null, + toolbar: null, + secondaryToolbar: null, + eventBus: null, + l10n: null, + annotationEditorParams: null, + isInitialViewSet: false, + downloadComplete: false, + isViewerEmbedded: window.parent !== window, + url: "", + baseUrl: "", + _downloadUrl: "", + _boundEvents: Object.create(null), + documentInfo: null, + metadata: null, + _contentDispositionFilename: null, + _contentLength: null, + _saveInProgress: false, + _wheelUnusedTicks: 0, + _wheelUnusedFactor: 1, + _touchUnusedTicks: 0, + _touchUnusedFactor: 1, + _PDFBug: null, + _hasAnnotationEditors: false, + _title: document.title, + _printAnnotationStoragePromise: null, + _touchInfo: null, + _isCtrlKeyDown: false, + _nimbusDataPromise: null, + _caretBrowsing: null, + _isScrolling: false, + _lastScrollTop: 0, + _lastScrollLeft: 0, + async initialize(appConfig) { + let l10nPromise; + l10nPromise = this.externalServices.createL10n(); + this.appConfig = appConfig; + try { + await this.preferences.initializedPromise; + } catch (ex) { + console.error(`initialize: "${ex.message}".`); + } + if (AppOptions.get("pdfBugEnabled")) { + await this._parseHashParams(); + } + this.l10n = await l10nPromise; + document.getElementsByTagName("html")[0].dir = this.l10n.getDirection(); + if (this.isViewerEmbedded && AppOptions.get("externalLinkTarget") === LinkTarget.NONE) { + AppOptions.set("externalLinkTarget", LinkTarget.TOP); + } + await this._initializeViewerComponents(); + this.bindEvents(); + this.bindWindowEvents(); + this._initializedCapability.resolve(); + }, + async _parseHashParams() { + const hash = document.location.hash.substring(1); + if (!hash) { + return; + } + const { + mainContainer, + viewerContainer + } = this.appConfig, + params = parseQueryString(hash); + if (params.get("disableworker") === "true") { + try { + await loadFakeWorker(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + if (params.has("disablerange")) { + AppOptions.set("disableRange", params.get("disablerange") === "true"); + } + if (params.has("disablestream")) { + AppOptions.set("disableStream", params.get("disablestream") === "true"); + } + if (params.has("disableautofetch")) { + AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true"); + } + if (params.has("disablefontface")) { + AppOptions.set("disableFontFace", params.get("disablefontface") === "true"); + } + if (params.has("disablehistory")) { + AppOptions.set("disableHistory", params.get("disablehistory") === "true"); + } + if (params.has("verbosity")) { + AppOptions.set("verbosity", params.get("verbosity") | 0); + } + if (params.has("textlayer")) { + switch (params.get("textlayer")) { + case "off": + AppOptions.set("textLayerMode", TextLayerMode.DISABLE); + break; + case "visible": + case "shadow": + case "hover": + viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`); + try { + await loadPDFBug(this); + this._PDFBug.loadCSS(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + break; + } + } + if (params.has("pdfbug")) { + AppOptions.set("pdfBug", true); + AppOptions.set("fontExtraProperties", true); + const enabled = params.get("pdfbug").split(","); + try { + await loadPDFBug(this); + this._PDFBug.init(mainContainer, enabled); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + }, + async _initializeViewerComponents() { + const { + appConfig, + externalServices, + l10n + } = this; + const eventBus = AppOptions.get("isInAutomation") ? new AutomationEventBus() : new EventBus(); + this.eventBus = eventBus; + this.overlayManager = new OverlayManager(); + const pdfRenderingQueue = new PDFRenderingQueue(); + pdfRenderingQueue.onIdle = this._cleanup.bind(this); + this.pdfRenderingQueue = pdfRenderingQueue; + const pdfLinkService = new PDFLinkService({ + eventBus, + externalLinkTarget: AppOptions.get("externalLinkTarget"), + externalLinkRel: AppOptions.get("externalLinkRel"), + ignoreDestinationZoom: AppOptions.get("ignoreDestinationZoom") + }); + this.pdfLinkService = pdfLinkService; + const downloadManager = this.downloadManager = new DownloadManager(); + const findController = new PDFFindController({ + linkService: pdfLinkService, + eventBus, + updateMatchesCountOnProgress: true + }); + this.findController = findController; + const pdfScriptingManager = new PDFScriptingManager({ + eventBus, + externalServices, + docProperties: this._scriptingDocProperties.bind(this) + }); + this.pdfScriptingManager = pdfScriptingManager; + const container = appConfig.mainContainer, + viewer = appConfig.viewerContainer; + const annotationEditorMode = AppOptions.get("annotationEditorMode"); + const isOffscreenCanvasSupported = AppOptions.get("isOffscreenCanvasSupported") && FeatureTest.isOffscreenCanvasSupported; + const pageColors = AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? { + background: AppOptions.get("pageColorsBackground"), + foreground: AppOptions.get("pageColorsForeground") + } : null; + const altTextManager = appConfig.altTextDialog ? new AltTextManager(appConfig.altTextDialog, container, this.overlayManager, eventBus) : null; + const pdfViewer = new PDFViewer({ + container, + viewer, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + downloadManager, + altTextManager, + findController, + scriptingManager: AppOptions.get("enableScripting") && pdfScriptingManager, + l10n, + textLayerMode: AppOptions.get("textLayerMode"), + annotationMode: AppOptions.get("annotationMode"), + annotationEditorMode, + annotationEditorHighlightColors: AppOptions.get("highlightEditorColors"), + imageResourcesPath: AppOptions.get("imageResourcesPath"), + enablePrintAutoRotate: AppOptions.get("enablePrintAutoRotate"), + maxCanvasPixels: AppOptions.get("maxCanvasPixels"), + enablePermissions: AppOptions.get("enablePermissions"), + pageColors, + mlManager: this.mlManager + }); + this.pdfViewer = pdfViewer; + pdfRenderingQueue.setViewer(pdfViewer); + pdfLinkService.setViewer(pdfViewer); + pdfScriptingManager.setViewer(pdfViewer); + if (appConfig.sidebar?.thumbnailView) { + this.pdfThumbnailViewer = new PDFThumbnailViewer({ + container: appConfig.sidebar.thumbnailView, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + pageColors + }); + pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); + } + if (!this.isViewerEmbedded && !AppOptions.get("disableHistory")) { + this.pdfHistory = new PDFHistory({ + linkService: pdfLinkService, + eventBus + }); + pdfLinkService.setHistory(this.pdfHistory); + } + if (!this.supportsIntegratedFind && appConfig.findBar) { + this.findBar = new PDFFindBar(appConfig.findBar, eventBus); + } + if (appConfig.annotationEditorParams) { + if (annotationEditorMode !== AnnotationEditorType.DISABLE) { + if (AppOptions.get("enableStampEditor") && isOffscreenCanvasSupported) { + appConfig.toolbar?.editorStampButton?.classList.remove("hidden"); + } + const editorHighlightButton = appConfig.toolbar?.editorHighlightButton; + if (editorHighlightButton && AppOptions.get("enableHighlightEditor")) { + editorHighlightButton.hidden = false; + } + this.annotationEditorParams = new AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); + } else { + for (const id of ["editorModeButtons", "editorModeSeparator"]) { + document.getElementById(id)?.classList.add("hidden"); + } + } + } + if (appConfig.documentProperties) { + this.pdfDocumentProperties = new PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, l10n, () => this._docFilename); + } + if (appConfig.secondaryToolbar?.cursorHandToolButton) { + this.pdfCursorTools = new PDFCursorTools({ + container, + eventBus, + cursorToolOnLoad: AppOptions.get("cursorToolOnLoad") + }); + } + if (appConfig.toolbar) { + this.toolbar = new Toolbar(appConfig.toolbar, eventBus); + } + if (appConfig.secondaryToolbar) { + this.secondaryToolbar = new SecondaryToolbar(appConfig.secondaryToolbar, eventBus); + } + if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { + this.pdfPresentationMode = new PDFPresentationMode({ + container, + pdfViewer, + eventBus + }); + } + if (appConfig.passwordOverlay) { + this.passwordPrompt = new PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.isViewerEmbedded); + } + if (appConfig.sidebar?.outlineView) { + this.pdfOutlineViewer = new PDFOutlineViewer({ + container: appConfig.sidebar.outlineView, + eventBus, + l10n, + linkService: pdfLinkService, + downloadManager + }); + } + if (appConfig.sidebar?.attachmentsView) { + this.pdfAttachmentViewer = new PDFAttachmentViewer({ + container: appConfig.sidebar.attachmentsView, + eventBus, + l10n, + downloadManager + }); + } + if (appConfig.sidebar?.layersView) { + this.pdfLayerViewer = new PDFLayerViewer({ + container: appConfig.sidebar.layersView, + eventBus, + l10n + }); + } + if (appConfig.sidebar) { + this.pdfSidebar = new PDFSidebar({ + elements: appConfig.sidebar, + eventBus, + l10n + }); + this.pdfSidebar.onToggled = this.forceRendering.bind(this); + this.pdfSidebar.onUpdateThumbnails = () => { + for (const pageView of pdfViewer.getCachedPageViews()) { + if (pageView.renderingState === RenderingStates.FINISHED) { + this.pdfThumbnailViewer.getThumbnail(pageView.id - 1)?.setImage(pageView); + } + } + this.pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); + }; + } + }, + async run(config) { + this.preferences = new Preferences(); + await this.initialize(config); + const { + appConfig, + eventBus + } = this; + let file; + file = window.location.href; + if (!AppOptions.get("supportsDocumentFonts")) { + AppOptions.set("disableFontFace", true); + this.l10n.get("pdfjs-web-fonts-disabled").then(msg => { + console.warn(msg); + }); + } + if (!this.supportsPrinting) { + appConfig.toolbar?.print?.classList.add("hidden"); + appConfig.secondaryToolbar?.printButton.classList.add("hidden"); + } + if (!this.supportsFullscreen) { + appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden"); + } + if (this.supportsIntegratedFind) { + appConfig.toolbar?.viewFind?.classList.add("hidden"); + } + this.initPassiveLoading(file); + const { + mainContainer + } = appConfig; + ({ + scrollTop: this._lastScrollTop, + scrollLeft: this._lastScrollLeft + } = mainContainer); + const scroll = () => { + if (this._lastScrollTop === mainContainer.scrollTop && this._lastScrollLeft === mainContainer.scrollLeft) { + return; + } + mainContainer.removeEventListener("scroll", scroll, { + passive: true + }); + this._isScrolling = true; + const scrollend = () => { + ({ + scrollTop: this._lastScrollTop, + scrollLeft: this._lastScrollLeft + } = mainContainer); + this._isScrolling = false; + mainContainer.addEventListener("scroll", scroll, { + passive: true + }); + mainContainer.removeEventListener("scrollend", scrollend); + mainContainer.removeEventListener("blur", scrollend); + }; + mainContainer.addEventListener("scrollend", scrollend); + mainContainer.addEventListener("blur", scrollend); + }; + mainContainer.addEventListener("scroll", scroll, { + passive: true + }); + }, + get externalServices() { + return shadow(this, "externalServices", new ExternalServices()); + }, + get mlManager() { + return shadow(this, "mlManager", AppOptions.get("enableML") === true ? new MLManager() : null); + }, + get initialized() { + return this._initializedCapability.settled; + }, + get initializedPromise() { + return this._initializedCapability.promise; + }, + zoomIn(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.increaseScale({ + drawingDelay: AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomOut(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.decreaseScale({ + drawingDelay: AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomReset() { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + }, + get pagesCount() { + return this.pdfDocument ? this.pdfDocument.numPages : 0; + }, + get page() { + return this.pdfViewer.currentPageNumber; + }, + set page(val) { + this.pdfViewer.currentPageNumber = val; + }, + get supportsPrinting() { + return PDFPrintServiceFactory.supportsPrinting; + }, + get supportsFullscreen() { + return shadow(this, "supportsFullscreen", document.fullscreenEnabled); + }, + get supportsPinchToZoom() { + return shadow(this, "supportsPinchToZoom", AppOptions.get("supportsPinchToZoom")); + }, + get supportsIntegratedFind() { + return shadow(this, "supportsIntegratedFind", AppOptions.get("supportsIntegratedFind")); + }, + get loadingBar() { + const barElement = document.getElementById("loadingBar"); + const bar = barElement ? new ProgressBar(barElement) : null; + return shadow(this, "loadingBar", bar); + }, + get supportsMouseWheelZoomCtrlKey() { + return shadow(this, "supportsMouseWheelZoomCtrlKey", AppOptions.get("supportsMouseWheelZoomCtrlKey")); + }, + get supportsMouseWheelZoomMetaKey() { + return shadow(this, "supportsMouseWheelZoomMetaKey", AppOptions.get("supportsMouseWheelZoomMetaKey")); + }, + get supportsCaretBrowsingMode() { + return shadow(this, "supportsCaretBrowsingMode", AppOptions.get("supportsCaretBrowsingMode")); + }, + moveCaret(isUp, select) { + this._caretBrowsing ||= new CaretBrowsingMode(this.appConfig.mainContainer, this.appConfig.viewerContainer, this.appConfig.toolbar?.container); + this._caretBrowsing.moveCaret(isUp, select); + }, + initPassiveLoading(file) { + this.setTitleUsingUrl(file, file); + this.externalServices.initPassiveLoading({ + onOpenWithTransport: range => { + this.open({ + range + }); + }, + onOpenWithData: (data, contentDispositionFilename) => { + if (isPdfFile(contentDispositionFilename)) { + this._contentDispositionFilename = contentDispositionFilename; + } + this.open({ + data + }); + }, + onOpenWithURL: (url, length, originalUrl) => { + this.open({ + url, + length, + originalUrl + }); + }, + onError: err => { + this.l10n.get("pdfjs-loading-error").then(msg => { + this._documentError(msg, err); + }); + }, + onProgress: (loaded, total) => { + this.progress(loaded / total); + } + }); + }, + setTitleUsingUrl(url = "", downloadUrl = null) { + this.url = url; + this.baseUrl = url.split("#", 1)[0]; + if (downloadUrl) { + this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split("#", 1)[0]; + } + if (isDataScheme(url)) { + this._hideViewBookmark(); + } + let title = getPdfFilenameFromUrl(url, ""); + if (!title) { + try { + title = decodeURIComponent(getFilenameFromUrl(url)) || url; + } catch { + title = url; + } + } + this.setTitle(title); + }, + setTitle(title = this._title) { + this._title = title; + if (this.isViewerEmbedded) { + return; + } + const editorIndicator = this._hasAnnotationEditors && !this.pdfRenderingQueue.printing; + document.title = `${editorIndicator ? "* " : ""}${title}`; + }, + get _docFilename() { + return this._contentDispositionFilename || getPdfFilenameFromUrl(this.url); + }, + _hideViewBookmark() { + const { + secondaryToolbar + } = this.appConfig; + secondaryToolbar?.viewBookmarkButton.classList.add("hidden"); + if (secondaryToolbar?.presentationModeButton.classList.contains("hidden")) { + document.getElementById("viewBookmarkSeparator")?.classList.add("hidden"); + } + }, + async close() { + this._unblockDocumentLoadEvent(); + this._hideViewBookmark(); + if (!this.pdfLoadingTask) { + return; + } + const promises = []; + promises.push(this.pdfLoadingTask.destroy()); + this.pdfLoadingTask = null; + if (this.pdfDocument) { + this.pdfDocument = null; + this.pdfThumbnailViewer?.setDocument(null); + this.pdfViewer.setDocument(null); + this.pdfLinkService.setDocument(null); + this.pdfDocumentProperties?.setDocument(null); + } + this.pdfLinkService.externalLinkEnabled = true; + this.store = null; + this.isInitialViewSet = false; + this.downloadComplete = false; + this.url = ""; + this.baseUrl = ""; + this._downloadUrl = ""; + this.documentInfo = null; + this.metadata = null; + this._contentDispositionFilename = null; + this._contentLength = null; + this._saveInProgress = false; + this._hasAnnotationEditors = false; + promises.push(this.pdfScriptingManager.destroyPromise, this.passwordPrompt.close()); + this.setTitle(); + this.pdfSidebar?.reset(); + this.pdfOutlineViewer?.reset(); + this.pdfAttachmentViewer?.reset(); + this.pdfLayerViewer?.reset(); + this.pdfHistory?.reset(); + this.findBar?.reset(); + this.toolbar?.reset(); + this.secondaryToolbar?.reset(); + this._PDFBug?.cleanup(); + await Promise.all(promises); + }, + async open(args) { + if (this.pdfLoadingTask) { + await this.close(); + } + const workerParams = AppOptions.getAll(OptionKind.WORKER); + Object.assign(GlobalWorkerOptions, workerParams); + AppOptions.set("docBaseUrl", this.baseUrl); + const apiParams = AppOptions.getAll(OptionKind.API); + const loadingTask = getDocument({ + ...apiParams, + ...args + }); + this.pdfLoadingTask = loadingTask; + loadingTask.onPassword = (updateCallback, reason) => { + if (this.isViewerEmbedded) { + this._unblockDocumentLoadEvent(); + } + this.pdfLinkService.externalLinkEnabled = false; + this.passwordPrompt.setUpdateCallback(updateCallback, reason); + this.passwordPrompt.open(); + }; + loadingTask.onProgress = ({ + loaded, + total + }) => { + this.progress(loaded / total); + }; + return loadingTask.promise.then(pdfDocument => { + this.load(pdfDocument); + }, reason => { + if (loadingTask !== this.pdfLoadingTask) { + return undefined; + } + let key = "pdfjs-loading-error"; + if (reason instanceof InvalidPDFException) { + key = "pdfjs-invalid-file-error"; + } else if (reason instanceof MissingPDFException) { + key = "pdfjs-missing-file-error"; + } else if (reason instanceof UnexpectedResponseException) { + key = "pdfjs-unexpected-response-error"; + } + return this.l10n.get(key).then(msg => { + this._documentError(msg, { + message: reason?.message + }); + throw reason; + }); + }); + }, + _ensureDownloadComplete() { + if (this.pdfDocument && this.downloadComplete) { + return; + } + throw new Error("PDF document not downloaded."); + }, + async download(options = {}) { + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.getData(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch { + await this.downloadManager.downloadUrl(url, filename, options); + } + }, + async save(options = {}) { + if (this._saveInProgress) { + return; + } + this._saveInProgress = true; + await this.pdfScriptingManager.dispatchWillSave(); + const url = this._downloadUrl, + filename = this._docFilename; + try { + this._ensureDownloadComplete(); + const data = await this.pdfDocument.saveDocument(); + const blob = new Blob([data], { + type: "application/pdf" + }); + await this.downloadManager.download(blob, url, filename, options); + } catch (reason) { + console.error(`Error when saving the document: ${reason.message}`); + await this.download(options); + } finally { + await this.pdfScriptingManager.dispatchDidSave(); + this._saveInProgress = false; + } + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "save", + stats: this.pdfDocument?.annotationStorage.editorStats + } + }); + } + }, + downloadOrSave(options = {}) { + if (this.pdfDocument?.annotationStorage.size > 0) { + this.save(options); + } else { + this.download(options); + } + }, + openInExternalApp() { + this.downloadOrSave({ + openInExternalApp: true + }); + }, + _documentError(message, moreInfo = null) { + this._unblockDocumentLoadEvent(); + this._otherError(message, moreInfo); + this.eventBus.dispatch("documenterror", { + source: this, + message, + reason: moreInfo?.message ?? null + }); + }, + _otherError(message, moreInfo = null) { + const moreInfoText = [`PDF.js v${version || "?"} (build: ${build || "?"})`]; + if (moreInfo) { + moreInfoText.push(`Message: ${moreInfo.message}`); + if (moreInfo.stack) { + moreInfoText.push(`Stack: ${moreInfo.stack}`); + } else { + if (moreInfo.filename) { + moreInfoText.push(`File: ${moreInfo.filename}`); + } + if (moreInfo.lineNumber) { + moreInfoText.push(`Line: ${moreInfo.lineNumber}`); + } + } + } + console.error(`${message}\n\n${moreInfoText.join("\n")}`); + }, + progress(level) { + if (!this.loadingBar || this.downloadComplete) { + return; + } + const percent = Math.round(level * 100); + if (percent <= this.loadingBar.percent) { + return; + } + this.loadingBar.percent = percent; + if (this.pdfDocument?.loadingParams.disableAutoFetch ?? AppOptions.get("disableAutoFetch")) { + this.loadingBar.setDisableAutoFetch(); + } + }, + load(pdfDocument) { + this.pdfDocument = pdfDocument; + pdfDocument.getDownloadInfo().then(({ + length + }) => { + this._contentLength = length; + this.downloadComplete = true; + this.loadingBar?.hide(); + firstPagePromise.then(() => { + this.eventBus.dispatch("documentloaded", { + source: this + }); + }); + }); + const pageLayoutPromise = pdfDocument.getPageLayout().catch(() => {}); + const pageModePromise = pdfDocument.getPageMode().catch(() => {}); + const openActionPromise = pdfDocument.getOpenAction().catch(() => {}); + this.toolbar?.setPagesCount(pdfDocument.numPages, false); + this.secondaryToolbar?.setPagesCount(pdfDocument.numPages); + this.pdfLinkService.setDocument(pdfDocument); + this.pdfDocumentProperties?.setDocument(pdfDocument); + const pdfViewer = this.pdfViewer; + pdfViewer.setDocument(pdfDocument); + const { + firstPagePromise, + onePageRendered, + pagesPromise + } = pdfViewer; + this.pdfThumbnailViewer?.setDocument(pdfDocument); + const storedPromise = (this.store = new ViewHistory(pdfDocument.fingerprints[0])).getMultiple({ + page: null, + zoom: DEFAULT_SCALE_VALUE, + scrollLeft: "0", + scrollTop: "0", + rotation: null, + sidebarView: SidebarView.UNKNOWN, + scrollMode: ScrollMode.UNKNOWN, + spreadMode: SpreadMode.UNKNOWN + }).catch(() => {}); + firstPagePromise.then(pdfPage => { + this.loadingBar?.setWidth(this.appConfig.viewerContainer); + this._initializeAnnotationStorageCallbacks(pdfDocument); + Promise.all([animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { + const viewOnLoad = AppOptions.get("viewOnLoad"); + this._initializePdfHistory({ + fingerprint: pdfDocument.fingerprints[0], + viewOnLoad, + initialDest: openAction?.dest + }); + const initialBookmark = this.initialBookmark; + const zoom = AppOptions.get("defaultZoomValue"); + let hash = zoom ? `zoom=${zoom}` : null; + let rotation = null; + let sidebarView = AppOptions.get("sidebarViewOnLoad"); + let scrollMode = AppOptions.get("scrollModeOnLoad"); + let spreadMode = AppOptions.get("spreadModeOnLoad"); + if (stored?.page && viewOnLoad !== ViewOnLoad.INITIAL) { + hash = `page=${stored.page}&zoom=${zoom || stored.zoom},` + `${stored.scrollLeft},${stored.scrollTop}`; + rotation = parseInt(stored.rotation, 10); + if (sidebarView === SidebarView.UNKNOWN) { + sidebarView = stored.sidebarView | 0; + } + if (scrollMode === ScrollMode.UNKNOWN) { + scrollMode = stored.scrollMode | 0; + } + if (spreadMode === SpreadMode.UNKNOWN) { + spreadMode = stored.spreadMode | 0; + } + } + if (pageMode && sidebarView === SidebarView.UNKNOWN) { + sidebarView = apiPageModeToSidebarView(pageMode); + } + if (pageLayout && scrollMode === ScrollMode.UNKNOWN && spreadMode === SpreadMode.UNKNOWN) { + const modes = apiPageLayoutToViewerModes(pageLayout); + spreadMode = modes.spreadMode; + } + this.setInitialView(hash, { + rotation, + sidebarView, + scrollMode, + spreadMode + }); + this.eventBus.dispatch("documentinit", { + source: this + }); + if (!this.isViewerEmbedded) { + pdfViewer.focus(); + } + await Promise.race([pagesPromise, new Promise(resolve => { + setTimeout(resolve, FORCE_PAGES_LOADED_TIMEOUT); + })]); + if (!initialBookmark && !hash) { + return; + } + if (pdfViewer.hasEqualPageSizes) { + return; + } + this.initialBookmark = initialBookmark; + pdfViewer.currentScaleValue = pdfViewer.currentScaleValue; + this.setInitialView(hash); + }).catch(() => { + this.setInitialView(); + }).then(function () { + pdfViewer.update(); + }); + }); + pagesPromise.then(() => { + this._unblockDocumentLoadEvent(); + this._initializeAutoPrint(pdfDocument, openActionPromise); + }, reason => { + this.l10n.get("pdfjs-loading-error").then(msg => { + this._documentError(msg, { + message: reason?.message + }); + }); + }); + onePageRendered.then(data => { + this.externalServices.reportTelemetry({ + type: "pageInfo", + timestamp: data.timestamp + }); + if (this.pdfOutlineViewer) { + pdfDocument.getOutline().then(outline => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfOutlineViewer.render({ + outline, + pdfDocument + }); + }); + } + if (this.pdfAttachmentViewer) { + pdfDocument.getAttachments().then(attachments => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfAttachmentViewer.render({ + attachments + }); + }); + } + if (this.pdfLayerViewer) { + pdfViewer.optionalContentConfigPromise.then(optionalContentConfig => { + if (pdfDocument !== this.pdfDocument) { + return; + } + this.pdfLayerViewer.render({ + optionalContentConfig, + pdfDocument + }); + }); + } + }); + this._initializePageLabels(pdfDocument); + this._initializeMetadata(pdfDocument); + }, + async _scriptingDocProperties(pdfDocument) { + if (!this.documentInfo) { + await new Promise(resolve => { + this.eventBus._on("metadataloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + if (!this._contentLength) { + await new Promise(resolve => { + this.eventBus._on("documentloaded", resolve, { + once: true + }); + }); + if (pdfDocument !== this.pdfDocument) { + return null; + } + } + return { + ...this.documentInfo, + baseURL: this.baseUrl, + filesize: this._contentLength, + filename: this._docFilename, + metadata: this.metadata?.getRaw(), + authors: this.metadata?.get("dc:creator"), + numPages: this.pagesCount, + URL: this.url + }; + }, + async _initializeAutoPrint(pdfDocument, openActionPromise) { + const [openAction, jsActions] = await Promise.all([openActionPromise, this.pdfViewer.enableScripting ? null : pdfDocument.getJSActions()]); + if (pdfDocument !== this.pdfDocument) { + return; + } + let triggerAutoPrint = openAction?.action === "Print"; + if (jsActions) { + console.warn("Warning: JavaScript support is not enabled"); + for (const name in jsActions) { + if (triggerAutoPrint) { + break; + } + switch (name) { + case "WillClose": + case "WillSave": + case "DidSave": + case "WillPrint": + case "DidPrint": + continue; + } + triggerAutoPrint = jsActions[name].some(js => AutoPrintRegExp.test(js)); + } + } + if (triggerAutoPrint) { + this.triggerPrinting(); + } + }, + async _initializeMetadata(pdfDocument) { + const { + info, + metadata, + contentDispositionFilename, + contentLength + } = await pdfDocument.getMetadata(); + if (pdfDocument !== this.pdfDocument) { + return; + } + this.documentInfo = info; + this.metadata = metadata; + this._contentDispositionFilename ??= contentDispositionFilename; + this._contentLength ??= contentLength; + console.log(`PDF ${pdfDocument.fingerprints[0]} [${info.PDFFormatVersion} ` + `${(info.Producer || "-").trim()} / ${(info.Creator || "-").trim()}] ` + `(PDF.js: ${version || "?"} [${build || "?"}])`); + let pdfTitle = info.Title; + const metadataTitle = metadata?.get("dc:title"); + if (metadataTitle) { + if (metadataTitle !== "Untitled" && !/[\uFFF0-\uFFFF]/g.test(metadataTitle)) { + pdfTitle = metadataTitle; + } + } + if (pdfTitle) { + this.setTitle(`${pdfTitle} - ${this._contentDispositionFilename || this._title}`); + } else if (this._contentDispositionFilename) { + this.setTitle(this._contentDispositionFilename); + } + if (info.IsXFAPresent && !info.IsAcroFormPresent && !pdfDocument.isPureXfa) { + if (pdfDocument.loadingParams.enableXfa) { + console.warn("Warning: XFA Foreground documents are not supported"); + } else { + console.warn("Warning: XFA support is not enabled"); + } + } else if ((info.IsAcroFormPresent || info.IsXFAPresent) && !this.pdfViewer.renderForms) { + console.warn("Warning: Interactive form support is not enabled"); + } + if (info.IsSignaturesPresent) { + console.warn("Warning: Digital signatures validation is not supported"); + } + this.eventBus.dispatch("metadataloaded", { + source: this + }); + }, + async _initializePageLabels(pdfDocument) { + const labels = await pdfDocument.getPageLabels(); + if (pdfDocument !== this.pdfDocument) { + return; + } + if (!labels || AppOptions.get("disablePageLabels")) { + return; + } + const numLabels = labels.length; + let standardLabels = 0, + emptyLabels = 0; + for (let i = 0; i < numLabels; i++) { + const label = labels[i]; + if (label === (i + 1).toString()) { + standardLabels++; + } else if (label === "") { + emptyLabels++; + } else { + break; + } + } + if (standardLabels >= numLabels || emptyLabels >= numLabels) { + return; + } + const { + pdfViewer, + pdfThumbnailViewer, + toolbar + } = this; + pdfViewer.setPageLabels(labels); + pdfThumbnailViewer?.setPageLabels(labels); + toolbar?.setPagesCount(numLabels, true); + toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); + }, + _initializePdfHistory({ + fingerprint, + viewOnLoad, + initialDest = null + }) { + if (!this.pdfHistory) { + return; + } + this.pdfHistory.initialize({ + fingerprint, + resetHistory: viewOnLoad === ViewOnLoad.INITIAL, + updateUrl: AppOptions.get("historyUpdateUrl") + }); + if (this.pdfHistory.initialBookmark) { + this.initialBookmark = this.pdfHistory.initialBookmark; + this.initialRotation = this.pdfHistory.initialRotation; + } + if (initialDest && !this.initialBookmark && viewOnLoad === ViewOnLoad.UNKNOWN) { + this.initialBookmark = JSON.stringify(initialDest); + this.pdfHistory.push({ + explicitDest: initialDest, + pageNumber: null + }); + } + }, + _initializeAnnotationStorageCallbacks(pdfDocument) { + if (pdfDocument !== this.pdfDocument) { + return; + } + const { + annotationStorage + } = pdfDocument; + annotationStorage.onSetModified = () => { + window.addEventListener("beforeunload", beforeUnload); + }; + annotationStorage.onResetModified = () => { + window.removeEventListener("beforeunload", beforeUnload); + }; + annotationStorage.onAnnotationEditor = typeStr => { + this._hasAnnotationEditors = !!typeStr; + this.setTitle(); + }; + }, + setInitialView(storedHash, { + rotation, + sidebarView, + scrollMode, + spreadMode + } = {}) { + const setRotation = angle => { + if (isValidRotation(angle)) { + this.pdfViewer.pagesRotation = angle; + } + }; + const setViewerModes = (scroll, spread) => { + if (isValidScrollMode(scroll)) { + this.pdfViewer.scrollMode = scroll; + } + if (isValidSpreadMode(spread)) { + this.pdfViewer.spreadMode = spread; + } + }; + this.isInitialViewSet = true; + this.pdfSidebar?.setInitialView(sidebarView); + setViewerModes(scrollMode, spreadMode); + if (this.initialBookmark) { + setRotation(this.initialRotation); + delete this.initialRotation; + this.pdfLinkService.setHash(this.initialBookmark); + this.initialBookmark = null; + } else if (storedHash) { + setRotation(rotation); + this.pdfLinkService.setHash(storedHash); + } + this.toolbar?.setPageNumber(this.pdfViewer.currentPageNumber, this.pdfViewer.currentPageLabel); + this.secondaryToolbar?.setPageNumber(this.pdfViewer.currentPageNumber); + if (!this.pdfViewer.currentScaleValue) { + this.pdfViewer.currentScaleValue = DEFAULT_SCALE_VALUE; + } + }, + _cleanup() { + if (!this.pdfDocument) { + return; + } + this.pdfViewer.cleanup(); + this.pdfThumbnailViewer?.cleanup(); + this.pdfDocument.cleanup(AppOptions.get("fontExtraProperties")); + }, + forceRendering() { + this.pdfRenderingQueue.printing = !!this.printService; + this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === SidebarView.THUMBS; + this.pdfRenderingQueue.renderHighestPriority(); + }, + beforePrint() { + this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => this.pdfDocument?.annotationStorage.print); + if (this.printService) { + return; + } + if (!this.supportsPrinting) { + this.l10n.get("pdfjs-printing-not-supported").then(msg => { + this._otherError(msg); + }); + return; + } + if (!this.pdfViewer.pageViewsReady) { + this.l10n.get("pdfjs-printing-not-ready").then(msg => { + window.alert(msg); + }); + return; + } + this.printService = PDFPrintServiceFactory.createPrintService({ + pdfDocument: this.pdfDocument, + pagesOverview: this.pdfViewer.getPagesOverview(), + printContainer: this.appConfig.printContainer, + printResolution: AppOptions.get("printResolution"), + optionalContentConfigPromise: this.pdfViewer.optionalContentConfigPromise, + printAnnotationStoragePromise: this._printAnnotationStoragePromise + }); + this.forceRendering(); + this.setTitle(); + this.printService.layout(); + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "print", + stats: this.pdfDocument?.annotationStorage.editorStats + } + }); + } + }, + afterPrint() { + if (this._printAnnotationStoragePromise) { + this._printAnnotationStoragePromise.then(() => { + this.pdfScriptingManager.dispatchDidPrint(); + }); + this._printAnnotationStoragePromise = null; + } + if (this.printService) { + this.printService.destroy(); + this.printService = null; + this.pdfDocument?.annotationStorage.resetModified(); + } + this.forceRendering(); + this.setTitle(); + }, + rotatePages(delta) { + this.pdfViewer.pagesRotation += delta; + }, + requestPresentationMode() { + this.pdfPresentationMode?.request(); + }, + triggerPrinting() { + if (!this.supportsPrinting) { + return; + } + window.print(); + }, + bindEvents() { + const { + eventBus, + _boundEvents + } = this; + _boundEvents.beforePrint = this.beforePrint.bind(this); + _boundEvents.afterPrint = this.afterPrint.bind(this); + eventBus._on("resize", webViewerResize); + eventBus._on("hashchange", webViewerHashchange); + eventBus._on("beforeprint", _boundEvents.beforePrint); + eventBus._on("afterprint", _boundEvents.afterPrint); + eventBus._on("pagerender", webViewerPageRender); + eventBus._on("pagerendered", webViewerPageRendered); + eventBus._on("updateviewarea", webViewerUpdateViewarea); + eventBus._on("pagechanging", webViewerPageChanging); + eventBus._on("scalechanging", webViewerScaleChanging); + eventBus._on("rotationchanging", webViewerRotationChanging); + eventBus._on("sidebarviewchanged", webViewerSidebarViewChanged); + eventBus._on("pagemode", webViewerPageMode); + eventBus._on("namedaction", webViewerNamedAction); + eventBus._on("presentationmodechanged", webViewerPresentationModeChanged); + eventBus._on("presentationmode", webViewerPresentationMode); + eventBus._on("switchannotationeditormode", webViewerSwitchAnnotationEditorMode); + eventBus._on("switchannotationeditorparams", webViewerSwitchAnnotationEditorParams); + eventBus._on("print", webViewerPrint); + eventBus._on("download", webViewerDownload); + eventBus._on("openinexternalapp", webViewerOpenInExternalApp); + eventBus._on("firstpage", webViewerFirstPage); + eventBus._on("lastpage", webViewerLastPage); + eventBus._on("nextpage", webViewerNextPage); + eventBus._on("previouspage", webViewerPreviousPage); + eventBus._on("zoomin", webViewerZoomIn); + eventBus._on("zoomout", webViewerZoomOut); + eventBus._on("zoomreset", webViewerZoomReset); + eventBus._on("pagenumberchanged", webViewerPageNumberChanged); + eventBus._on("scalechanged", webViewerScaleChanged); + eventBus._on("rotatecw", webViewerRotateCw); + eventBus._on("rotateccw", webViewerRotateCcw); + eventBus._on("optionalcontentconfig", webViewerOptionalContentConfig); + eventBus._on("switchscrollmode", webViewerSwitchScrollMode); + eventBus._on("scrollmodechanged", webViewerScrollModeChanged); + eventBus._on("switchspreadmode", webViewerSwitchSpreadMode); + eventBus._on("spreadmodechanged", webViewerSpreadModeChanged); + eventBus._on("documentproperties", webViewerDocumentProperties); + eventBus._on("findfromurlhash", webViewerFindFromUrlHash); + eventBus._on("updatefindmatchescount", webViewerUpdateFindMatchesCount); + eventBus._on("updatefindcontrolstate", webViewerUpdateFindControlState); + if (AppOptions.get("pdfBug")) { + _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug; + eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug); + eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug); + } + eventBus._on("annotationeditorstateschanged", webViewerAnnotationEditorStatesChanged); + eventBus._on("reporttelemetry", webViewerReportTelemetry); + }, + bindWindowEvents() { + const { + eventBus, + _boundEvents + } = this; + function addWindowResolutionChange(evt = null) { + if (evt) { + webViewerResolutionChange(evt); + } + const mediaQueryList = window.matchMedia(`(resolution: ${window.devicePixelRatio || 1}dppx)`); + mediaQueryList.addEventListener("change", addWindowResolutionChange, { + once: true + }); + } + addWindowResolutionChange(); + _boundEvents.windowResize = () => { + eventBus.dispatch("resize", { + source: window + }); + }; + _boundEvents.windowHashChange = () => { + eventBus.dispatch("hashchange", { + source: window, + hash: document.location.hash.substring(1) + }); + }; + _boundEvents.windowBeforePrint = () => { + eventBus.dispatch("beforeprint", { + source: window + }); + }; + _boundEvents.windowAfterPrint = () => { + eventBus.dispatch("afterprint", { + source: window + }); + }; + _boundEvents.windowUpdateFromSandbox = event => { + eventBus.dispatch("updatefromsandbox", { + source: window, + detail: event.detail + }); + }; + window.addEventListener("visibilitychange", webViewerVisibilityChange); + window.addEventListener("wheel", webViewerWheel, { + passive: false + }); + window.addEventListener("touchstart", webViewerTouchStart, { + passive: false + }); + window.addEventListener("touchmove", webViewerTouchMove, { + passive: false + }); + window.addEventListener("touchend", webViewerTouchEnd, { + passive: false + }); + window.addEventListener("click", webViewerClick); + window.addEventListener("keydown", webViewerKeyDown); + window.addEventListener("keyup", webViewerKeyUp); + window.addEventListener("resize", _boundEvents.windowResize); + window.addEventListener("hashchange", _boundEvents.windowHashChange); + window.addEventListener("beforeprint", _boundEvents.windowBeforePrint); + window.addEventListener("afterprint", _boundEvents.windowAfterPrint); + window.addEventListener("updatefromsandbox", _boundEvents.windowUpdateFromSandbox); + }, + unbindEvents() { + throw new Error("Not implemented: unbindEvents"); + }, + unbindWindowEvents() { + throw new Error("Not implemented: unbindWindowEvents"); + }, + _accumulateTicks(ticks, prop) { + if (this[prop] > 0 && ticks < 0 || this[prop] < 0 && ticks > 0) { + this[prop] = 0; + } + this[prop] += ticks; + const wholeTicks = Math.trunc(this[prop]); + this[prop] -= wholeTicks; + return wholeTicks; + }, + _accumulateFactor(previousScale, factor, prop) { + if (factor === 1) { + return 1; + } + if (this[prop] > 1 && factor < 1 || this[prop] < 1 && factor > 1) { + this[prop] = 1; + } + const newFactor = Math.floor(previousScale * factor * this[prop] * 100) / (100 * previousScale); + this[prop] = factor / newFactor; + return newFactor; + }, + _centerAtPos(previousScale, x, y) { + const { + pdfViewer + } = this; + const scaleDiff = pdfViewer.currentScale / previousScale - 1; + if (scaleDiff !== 0) { + const [top, left] = pdfViewer.containerTopLeft; + pdfViewer.container.scrollLeft += (x - left) * scaleDiff; + pdfViewer.container.scrollTop += (y - top) * scaleDiff; + } + }, + _unblockDocumentLoadEvent() { + document.blockUnblockOnload?.(false); + this._unblockDocumentLoadEvent = () => {}; + }, + get scriptingReady() { + return this.pdfScriptingManager.ready; + } +}; +initCom(PDFViewerApplication); +async function loadFakeWorker() { + GlobalWorkerOptions.workerSrc ||= AppOptions.get("workerSrc"); + await import( /*webpackIgnore: true*/PDFWorker.workerSrc); +} +async function loadPDFBug(self) { + const { + PDFBug + } = await import( /*webpackIgnore: true*/AppOptions.get("debuggerSrc")); + self._PDFBug = PDFBug; +} +function reportPageStatsPDFBug({ + pageNumber +}) { + if (!globalThis.Stats?.enabled) { + return; + } + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + globalThis.Stats.add(pageNumber, pageView?.pdfPage?.stats); +} +function webViewerPageRender({ + pageNumber +}) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(true); + } +} +function webViewerPageRendered({ + pageNumber, + error +}) { + if (pageNumber === PDFViewerApplication.page) { + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(false); + } + if (PDFViewerApplication.pdfSidebar?.visibleView === SidebarView.THUMBS) { + const pageView = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + const thumbnailView = PDFViewerApplication.pdfThumbnailViewer?.getThumbnail(pageNumber - 1); + if (pageView) { + thumbnailView?.setImage(pageView); + } + } + if (error) { + PDFViewerApplication.l10n.get("pdfjs-rendering-error").then(msg => { + PDFViewerApplication._otherError(msg, error); + }); + } +} +function webViewerPageMode({ + mode +}) { + let view; + switch (mode) { + case "thumbs": + view = SidebarView.THUMBS; + break; + case "bookmarks": + case "outline": + view = SidebarView.OUTLINE; + break; + case "attachments": + view = SidebarView.ATTACHMENTS; + break; + case "layers": + view = SidebarView.LAYERS; + break; + case "none": + view = SidebarView.NONE; + break; + default: + console.error('Invalid "pagemode" hash parameter: ' + mode); + return; + } + PDFViewerApplication.pdfSidebar?.switchView(view, true); +} +function webViewerNamedAction(evt) { + switch (evt.action) { + case "GoToPage": + PDFViewerApplication.appConfig.toolbar?.pageNumber.select(); + break; + case "Find": + if (!PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.findBar?.toggle(); + } + break; + case "Print": + PDFViewerApplication.triggerPrinting(); + break; + case "SaveAs": + PDFViewerApplication.downloadOrSave(); + break; + } +} +function webViewerPresentationModeChanged(evt) { + PDFViewerApplication.pdfViewer.presentationModeState = evt.state; +} +function webViewerSidebarViewChanged({ + view +}) { + PDFViewerApplication.pdfRenderingQueue.isThumbnailViewEnabled = view === SidebarView.THUMBS; + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.set("sidebarView", view).catch(() => {}); + } +} +function webViewerUpdateViewarea({ + location +}) { + if (PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.store?.setMultiple({ + page: location.pageNumber, + zoom: location.scale, + scrollLeft: location.left, + scrollTop: location.top, + rotation: location.rotation + }).catch(() => {}); + } + if (PDFViewerApplication.appConfig.secondaryToolbar) { + const href = PDFViewerApplication.pdfLinkService.getAnchorUrl(location.pdfOpenParams); + PDFViewerApplication.appConfig.secondaryToolbar.viewBookmarkButton.href = href; + } +} +function webViewerScrollModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("scrollMode", evt.mode).catch(() => {}); + } +} +function webViewerSpreadModeChanged(evt) { + if (PDFViewerApplication.isInitialViewSet && !PDFViewerApplication.pdfViewer.isInPresentationMode) { + PDFViewerApplication.store?.set("spreadMode", evt.mode).catch(() => {}); + } +} +function webViewerResize() { + const { + pdfDocument, + pdfViewer, + pdfRenderingQueue + } = PDFViewerApplication; + if (pdfRenderingQueue.printing && window.matchMedia("print").matches) { + return; + } + if (!pdfDocument) { + return; + } + const currentScaleValue = pdfViewer.currentScaleValue; + if (currentScaleValue === "auto" || currentScaleValue === "page-fit" || currentScaleValue === "page-width") { + pdfViewer.currentScaleValue = currentScaleValue; + } + pdfViewer.update(); +} +function webViewerHashchange(evt) { + const hash = evt.hash; + if (!hash) { + return; + } + if (!PDFViewerApplication.isInitialViewSet) { + PDFViewerApplication.initialBookmark = hash; + } else if (!PDFViewerApplication.pdfHistory?.popStateInProgress) { + PDFViewerApplication.pdfLinkService.setHash(hash); + } +} +function webViewerPresentationMode() { + PDFViewerApplication.requestPresentationMode(); +} +function webViewerSwitchAnnotationEditorMode(evt) { + PDFViewerApplication.pdfViewer.annotationEditorMode = evt; +} +function webViewerSwitchAnnotationEditorParams(evt) { + PDFViewerApplication.pdfViewer.annotationEditorParams = evt; +} +function webViewerPrint() { + PDFViewerApplication.triggerPrinting(); +} +function webViewerDownload() { + PDFViewerApplication.downloadOrSave(); +} +function webViewerOpenInExternalApp() { + PDFViewerApplication.openInExternalApp(); +} +function webViewerFirstPage() { + PDFViewerApplication.page = 1; +} +function webViewerLastPage() { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; +} +function webViewerNextPage() { + PDFViewerApplication.pdfViewer.nextPage(); +} +function webViewerPreviousPage() { + PDFViewerApplication.pdfViewer.previousPage(); +} +function webViewerZoomIn() { + PDFViewerApplication.zoomIn(); +} +function webViewerZoomOut() { + PDFViewerApplication.zoomOut(); +} +function webViewerZoomReset() { + PDFViewerApplication.zoomReset(); +} +function webViewerPageNumberChanged(evt) { + const pdfViewer = PDFViewerApplication.pdfViewer; + if (evt.value !== "") { + PDFViewerApplication.pdfLinkService.goToPage(evt.value); + } + if (evt.value !== pdfViewer.currentPageNumber.toString() && evt.value !== pdfViewer.currentPageLabel) { + PDFViewerApplication.toolbar?.setPageNumber(pdfViewer.currentPageNumber, pdfViewer.currentPageLabel); + } +} +function webViewerScaleChanged(evt) { + PDFViewerApplication.pdfViewer.currentScaleValue = evt.value; +} +function webViewerRotateCw() { + PDFViewerApplication.rotatePages(90); +} +function webViewerRotateCcw() { + PDFViewerApplication.rotatePages(-90); +} +function webViewerOptionalContentConfig(evt) { + PDFViewerApplication.pdfViewer.optionalContentConfigPromise = evt.promise; +} +function webViewerSwitchScrollMode(evt) { + PDFViewerApplication.pdfViewer.scrollMode = evt.mode; +} +function webViewerSwitchSpreadMode(evt) { + PDFViewerApplication.pdfViewer.spreadMode = evt.mode; +} +function webViewerDocumentProperties() { + PDFViewerApplication.pdfDocumentProperties?.open(); +} +function webViewerFindFromUrlHash(evt) { + PDFViewerApplication.eventBus.dispatch("find", { + source: evt.source, + type: "", + query: evt.query, + caseSensitive: false, + entireWord: false, + highlightAll: true, + findPrevious: false, + matchDiacritics: true + }); +} +function webViewerUpdateFindMatchesCount({ + matchesCount +}) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindMatchesCount(matchesCount); + } else { + PDFViewerApplication.findBar?.updateResultsCount(matchesCount); + } +} +function webViewerUpdateFindControlState({ + state, + previous, + matchesCount, + rawQuery +}) { + if (PDFViewerApplication.supportsIntegratedFind) { + PDFViewerApplication.externalServices.updateFindControlState({ + result: state, + findPrevious: previous, + matchesCount, + rawQuery + }); + } else { + PDFViewerApplication.findBar?.updateUIState(state, previous, matchesCount); + } +} +function webViewerScaleChanging(evt) { + PDFViewerApplication.toolbar?.setPageScale(evt.presetValue, evt.scale); + PDFViewerApplication.pdfViewer.update(); +} +function webViewerRotationChanging(evt) { + if (PDFViewerApplication.pdfThumbnailViewer) { + PDFViewerApplication.pdfThumbnailViewer.pagesRotation = evt.pagesRotation; + } + PDFViewerApplication.forceRendering(); + PDFViewerApplication.pdfViewer.currentPageNumber = evt.pageNumber; +} +function webViewerPageChanging({ + pageNumber, + pageLabel +}) { + PDFViewerApplication.toolbar?.setPageNumber(pageNumber, pageLabel); + PDFViewerApplication.secondaryToolbar?.setPageNumber(pageNumber); + if (PDFViewerApplication.pdfSidebar?.visibleView === SidebarView.THUMBS) { + PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); + } + const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === RenderingStates.RUNNING); +} +function webViewerResolutionChange(evt) { + PDFViewerApplication.pdfViewer.refresh(); +} +function webViewerVisibilityChange(evt) { + if (document.visibilityState === "visible") { + setZoomDisabledTimeout(); + } +} +let zoomDisabledTimeout = null; +function setZoomDisabledTimeout() { + if (zoomDisabledTimeout) { + clearTimeout(zoomDisabledTimeout); + } + zoomDisabledTimeout = setTimeout(function () { + zoomDisabledTimeout = null; + }, WHEEL_ZOOM_DISABLED_TIMEOUT); +} +function webViewerWheel(evt) { + const { + pdfViewer, + supportsMouseWheelZoomCtrlKey, + supportsMouseWheelZoomMetaKey, + supportsPinchToZoom + } = PDFViewerApplication; + if (pdfViewer.isInPresentationMode) { + return; + } + const deltaMode = evt.deltaMode; + let scaleFactor = Math.exp(-evt.deltaY / 100); + const isBuiltInMac = FeatureTest.platform.isMac; + const isPinchToZoom = evt.ctrlKey && !PDFViewerApplication._isCtrlKeyDown && deltaMode === WheelEvent.DOM_DELTA_PIXEL && evt.deltaX === 0 && (Math.abs(scaleFactor - 1) < 0.05 || isBuiltInMac) && evt.deltaZ === 0; + if (isPinchToZoom || evt.ctrlKey && supportsMouseWheelZoomCtrlKey || evt.metaKey && supportsMouseWheelZoomMetaKey) { + evt.preventDefault(); + if (PDFViewerApplication._isScrolling || zoomDisabledTimeout || document.visibilityState === "hidden" || PDFViewerApplication.overlayManager.active) { + return; + } + const previousScale = pdfViewer.currentScale; + if (isPinchToZoom && supportsPinchToZoom) { + scaleFactor = PDFViewerApplication._accumulateFactor(previousScale, scaleFactor, "_wheelUnusedFactor"); + if (scaleFactor < 1) { + PDFViewerApplication.zoomOut(null, scaleFactor); + } else if (scaleFactor > 1) { + PDFViewerApplication.zoomIn(null, scaleFactor); + } else { + return; + } + } else { + const delta = normalizeWheelEventDirection(evt); + let ticks = 0; + if (deltaMode === WheelEvent.DOM_DELTA_LINE || deltaMode === WheelEvent.DOM_DELTA_PAGE) { + if (Math.abs(delta) >= 1) { + ticks = Math.sign(delta); + } else { + ticks = PDFViewerApplication._accumulateTicks(delta, "_wheelUnusedTicks"); + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + ticks = PDFViewerApplication._accumulateTicks(delta / PIXELS_PER_LINE_SCALE, "_wheelUnusedTicks"); + } + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, evt.clientX, evt.clientY); + } +} +function webViewerTouchStart(evt) { + if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { + return; + } + evt.preventDefault(); + if (evt.touches.length !== 2 || PDFViewerApplication.overlayManager.active) { + PDFViewerApplication._touchInfo = null; + return; + } + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + PDFViewerApplication._touchInfo = { + touch0X: touch0.pageX, + touch0Y: touch0.pageY, + touch1X: touch1.pageX, + touch1Y: touch1.pageY + }; +} +function webViewerTouchMove(evt) { + if (!PDFViewerApplication._touchInfo || evt.touches.length !== 2) { + return; + } + const { + pdfViewer, + _touchInfo, + supportsPinchToZoom + } = PDFViewerApplication; + let [touch0, touch1] = evt.touches; + if (touch0.identifier > touch1.identifier) { + [touch0, touch1] = [touch1, touch0]; + } + const { + pageX: page0X, + pageY: page0Y + } = touch0; + const { + pageX: page1X, + pageY: page1Y + } = touch1; + const { + touch0X: pTouch0X, + touch0Y: pTouch0Y, + touch1X: pTouch1X, + touch1Y: pTouch1Y + } = _touchInfo; + if (Math.abs(pTouch0X - page0X) <= 1 && Math.abs(pTouch0Y - page0Y) <= 1 && Math.abs(pTouch1X - page1X) <= 1 && Math.abs(pTouch1Y - page1Y) <= 1) { + return; + } + _touchInfo.touch0X = page0X; + _touchInfo.touch0Y = page0Y; + _touchInfo.touch1X = page1X; + _touchInfo.touch1Y = page1Y; + if (pTouch0X === page0X && pTouch0Y === page0Y) { + const v1X = pTouch1X - page0X; + const v1Y = pTouch1Y - page0Y; + const v2X = page1X - page0X; + const v2Y = page1Y - page0Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else if (pTouch1X === page1X && pTouch1Y === page1Y) { + const v1X = pTouch0X - page1X; + const v1Y = pTouch0Y - page1Y; + const v2X = page0X - page1X; + const v2Y = page0Y - page1Y; + const det = v1X * v2Y - v1Y * v2X; + if (Math.abs(det) > 0.02 * Math.hypot(v1X, v1Y) * Math.hypot(v2X, v2Y)) { + return; + } + } else { + const diff0X = page0X - pTouch0X; + const diff1X = page1X - pTouch1X; + const diff0Y = page0Y - pTouch0Y; + const diff1Y = page1Y - pTouch1Y; + const dotProduct = diff0X * diff1X + diff0Y * diff1Y; + if (dotProduct >= 0) { + return; + } + } + evt.preventDefault(); + const distance = Math.hypot(page0X - page1X, page0Y - page1Y) || 1; + const pDistance = Math.hypot(pTouch0X - pTouch1X, pTouch0Y - pTouch1Y) || 1; + const previousScale = pdfViewer.currentScale; + if (supportsPinchToZoom) { + const newScaleFactor = PDFViewerApplication._accumulateFactor(previousScale, distance / pDistance, "_touchUnusedFactor"); + if (newScaleFactor < 1) { + PDFViewerApplication.zoomOut(null, newScaleFactor); + } else if (newScaleFactor > 1) { + PDFViewerApplication.zoomIn(null, newScaleFactor); + } else { + return; + } + } else { + const PIXELS_PER_LINE_SCALE = 30; + const ticks = PDFViewerApplication._accumulateTicks((distance - pDistance) / PIXELS_PER_LINE_SCALE, "_touchUnusedTicks"); + if (ticks < 0) { + PDFViewerApplication.zoomOut(-ticks); + } else if (ticks > 0) { + PDFViewerApplication.zoomIn(ticks); + } else { + return; + } + } + PDFViewerApplication._centerAtPos(previousScale, (page0X + page1X) / 2, (page0Y + page1Y) / 2); +} +function webViewerTouchEnd(evt) { + if (!PDFViewerApplication._touchInfo) { + return; + } + evt.preventDefault(); + PDFViewerApplication._touchInfo = null; + PDFViewerApplication._touchUnusedTicks = 0; + PDFViewerApplication._touchUnusedFactor = 1; +} +function webViewerClick(evt) { + if (!PDFViewerApplication.secondaryToolbar?.isOpen) { + return; + } + const appConfig = PDFViewerApplication.appConfig; + if (PDFViewerApplication.pdfViewer.containsElement(evt.target) || appConfig.toolbar?.container.contains(evt.target) && evt.target !== appConfig.secondaryToolbar?.toggleButton) { + PDFViewerApplication.secondaryToolbar.close(); + } +} +function webViewerKeyUp(evt) { + if (evt.key === "Control") { + PDFViewerApplication._isCtrlKeyDown = false; + } +} +function webViewerKeyDown(evt) { + PDFViewerApplication._isCtrlKeyDown = evt.key === "Control"; + if (PDFViewerApplication.overlayManager.active) { + return; + } + const { + eventBus, + pdfViewer + } = PDFViewerApplication; + const isViewerInPresentationMode = pdfViewer.isInPresentationMode; + let handled = false, + ensureViewerFocused = false; + const cmd = (evt.ctrlKey ? 1 : 0) | (evt.altKey ? 2 : 0) | (evt.shiftKey ? 4 : 0) | (evt.metaKey ? 8 : 0); + if (cmd === 1 || cmd === 8 || cmd === 5 || cmd === 12) { + switch (evt.keyCode) { + case 70: + if (!PDFViewerApplication.supportsIntegratedFind && !evt.shiftKey) { + PDFViewerApplication.findBar?.open(); + handled = true; + } + break; + case 71: + if (!PDFViewerApplication.supportsIntegratedFind) { + const { + state + } = PDFViewerApplication.findController; + if (state) { + const newState = { + source: window, + type: "again", + findPrevious: cmd === 5 || cmd === 12 + }; + eventBus.dispatch("find", { + ...state, + ...newState + }); + } + handled = true; + } + break; + case 61: + case 107: + case 187: + case 171: + PDFViewerApplication.zoomIn(); + handled = true; + break; + case 173: + case 109: + case 189: + PDFViewerApplication.zoomOut(); + handled = true; + break; + case 48: + case 96: + if (!isViewerInPresentationMode) { + setTimeout(function () { + PDFViewerApplication.zoomReset(); + }); + handled = false; + } + break; + case 38: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 40: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + } + } + if (cmd === 3 || cmd === 10) { + switch (evt.keyCode) { + case 80: + PDFViewerApplication.requestPresentationMode(); + handled = true; + PDFViewerApplication.externalServices.reportTelemetry({ + type: "buttons", + data: { + id: "presentationModeKeyboard" + } + }); + break; + case 71: + if (PDFViewerApplication.appConfig.toolbar) { + PDFViewerApplication.appConfig.toolbar.pageNumber.select(); + handled = true; + } + break; + } + } + if (handled) { + if (ensureViewerFocused && !isViewerInPresentationMode) { + pdfViewer.focus(); + } + evt.preventDefault(); + return; + } + const curElement = getActiveOrFocusedElement(); + const curElementTagName = curElement?.tagName.toUpperCase(); + if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElementTagName === "BUTTON" && (evt.keyCode === 13 || evt.keyCode === 32) || curElement?.isContentEditable) { + if (evt.keyCode !== 27) { + return; + } + } + if (cmd === 0) { + let turnPage = 0, + turnOnlyIfPageFit = false; + switch (evt.keyCode) { + case 38: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + PDFViewerApplication.moveCaret(true, false); + handled = true; + break; + } + case 33: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 8: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 37: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + return; + } + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 75: + case 80: + turnPage = -1; + break; + case 27: + if (PDFViewerApplication.secondaryToolbar?.isOpen) { + PDFViewerApplication.secondaryToolbar.close(); + handled = true; + } + if (!PDFViewerApplication.supportsIntegratedFind && PDFViewerApplication.findBar?.opened) { + PDFViewerApplication.findBar.close(); + handled = true; + } + break; + case 40: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + PDFViewerApplication.moveCaret(false, false); + handled = true; + break; + } + case 34: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 13: + case 32: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 39: + if (PDFViewerApplication.supportsCaretBrowsingMode) { + return; + } + if (pdfViewer.isHorizontalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + case 74: + case 78: + turnPage = 1; + break; + case 36: + if (isViewerInPresentationMode || PDFViewerApplication.page > 1) { + PDFViewerApplication.page = 1; + handled = true; + ensureViewerFocused = true; + } + break; + case 35: + if (isViewerInPresentationMode || PDFViewerApplication.page < PDFViewerApplication.pagesCount) { + PDFViewerApplication.page = PDFViewerApplication.pagesCount; + handled = true; + ensureViewerFocused = true; + } + break; + case 83: + PDFViewerApplication.pdfCursorTools?.switchTool(CursorTool.SELECT); + break; + case 72: + PDFViewerApplication.pdfCursorTools?.switchTool(CursorTool.HAND); + break; + case 82: + PDFViewerApplication.rotatePages(90); + break; + case 115: + PDFViewerApplication.pdfSidebar?.toggle(); + break; + } + if (turnPage !== 0 && (!turnOnlyIfPageFit || pdfViewer.currentScaleValue === "page-fit")) { + if (turnPage > 0) { + pdfViewer.nextPage(); + } else { + pdfViewer.previousPage(); + } + handled = true; + } + } + if (cmd === 4) { + switch (evt.keyCode) { + case 13: + case 32: + if (!isViewerInPresentationMode && pdfViewer.currentScaleValue !== "page-fit") { + break; + } + pdfViewer.previousPage(); + handled = true; + break; + case 38: + PDFViewerApplication.moveCaret(true, true); + handled = true; + break; + case 40: + PDFViewerApplication.moveCaret(false, true); + handled = true; + break; + case 82: + PDFViewerApplication.rotatePages(-90); + break; + } + } + if (!handled && !isViewerInPresentationMode) { + if (evt.keyCode >= 33 && evt.keyCode <= 40 || evt.keyCode === 32 && curElementTagName !== "BUTTON") { + ensureViewerFocused = true; + } + } + if (ensureViewerFocused && !pdfViewer.containsElement(curElement)) { + pdfViewer.focus(); + } + if (handled) { + evt.preventDefault(); + } +} +function beforeUnload(evt) { + evt.preventDefault(); + evt.returnValue = ""; + return false; +} +function webViewerAnnotationEditorStatesChanged(data) { + PDFViewerApplication.externalServices.updateEditorStates(data); +} +function webViewerReportTelemetry({ + details +}) { + PDFViewerApplication.externalServices.reportTelemetry(details); +} + +;// CONCATENATED MODULE: ./web/viewer.js + + + + +const pdfjsVersion = "4.1.249"; +const pdfjsBuild = "d07f37f44"; +const AppConstants = null; +window.PDFViewerApplication = PDFViewerApplication; +window.PDFViewerApplicationConstants = AppConstants; +window.PDFViewerApplicationOptions = AppOptions; +function getViewerConfiguration() { + return { + appContainer: document.body, + mainContainer: document.getElementById("viewerContainer"), + viewerContainer: document.getElementById("viewer"), + toolbar: { + container: document.getElementById("toolbarViewer"), + numPages: document.getElementById("numPages"), + pageNumber: document.getElementById("pageNumber"), + scaleSelect: document.getElementById("scaleSelect"), + customScaleOption: document.getElementById("customScaleOption"), + previous: document.getElementById("previous"), + next: document.getElementById("next"), + zoomIn: document.getElementById("zoomIn"), + zoomOut: document.getElementById("zoomOut"), + viewFind: document.getElementById("viewFind"), + print: document.getElementById("print"), + editorFreeTextButton: document.getElementById("editorFreeText"), + editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"), + editorHighlightButton: document.getElementById("editorHighlight"), + editorHighlightParamsToolbar: document.getElementById("editorHighlightParamsToolbar"), + editorHighlightColorPicker: document.getElementById("editorHighlightColorPicker"), + editorInkButton: document.getElementById("editorInk"), + editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"), + editorStampButton: document.getElementById("editorStamp"), + editorStampParamsToolbar: document.getElementById("editorStampParamsToolbar"), + download: document.getElementById("download") + }, + secondaryToolbar: { + toolbar: document.getElementById("secondaryToolbar"), + toggleButton: document.getElementById("secondaryToolbarToggle"), + presentationModeButton: document.getElementById("presentationMode"), + openFileButton: null, + printButton: document.getElementById("secondaryPrint"), + downloadButton: document.getElementById("secondaryDownload"), + viewBookmarkButton: document.getElementById("viewBookmark"), + firstPageButton: document.getElementById("firstPage"), + lastPageButton: document.getElementById("lastPage"), + pageRotateCwButton: document.getElementById("pageRotateCw"), + pageRotateCcwButton: document.getElementById("pageRotateCcw"), + cursorSelectToolButton: document.getElementById("cursorSelectTool"), + cursorHandToolButton: document.getElementById("cursorHandTool"), + scrollPageButton: document.getElementById("scrollPage"), + scrollVerticalButton: document.getElementById("scrollVertical"), + scrollHorizontalButton: document.getElementById("scrollHorizontal"), + scrollWrappedButton: document.getElementById("scrollWrapped"), + spreadNoneButton: document.getElementById("spreadNone"), + spreadOddButton: document.getElementById("spreadOdd"), + spreadEvenButton: document.getElementById("spreadEven"), + documentPropertiesButton: document.getElementById("documentProperties") + }, + sidebar: { + outerContainer: document.getElementById("outerContainer"), + sidebarContainer: document.getElementById("sidebarContainer"), + toggleButton: document.getElementById("sidebarToggle"), + resizer: document.getElementById("sidebarResizer"), + thumbnailButton: document.getElementById("viewThumbnail"), + outlineButton: document.getElementById("viewOutline"), + attachmentsButton: document.getElementById("viewAttachments"), + layersButton: document.getElementById("viewLayers"), + thumbnailView: document.getElementById("thumbnailView"), + outlineView: document.getElementById("outlineView"), + attachmentsView: document.getElementById("attachmentsView"), + layersView: document.getElementById("layersView"), + currentOutlineItemButton: document.getElementById("currentOutlineItem") + }, + findBar: { + bar: document.getElementById("findbar"), + toggleButton: document.getElementById("viewFind"), + findField: document.getElementById("findInput"), + highlightAllCheckbox: document.getElementById("findHighlightAll"), + caseSensitiveCheckbox: document.getElementById("findMatchCase"), + matchDiacriticsCheckbox: document.getElementById("findMatchDiacritics"), + entireWordCheckbox: document.getElementById("findEntireWord"), + findMsg: document.getElementById("findMsg"), + findResultsCount: document.getElementById("findResultsCount"), + findPreviousButton: document.getElementById("findPrevious"), + findNextButton: document.getElementById("findNext") + }, + passwordOverlay: { + dialog: document.getElementById("passwordDialog"), + label: document.getElementById("passwordText"), + input: document.getElementById("password"), + submitButton: document.getElementById("passwordSubmit"), + cancelButton: document.getElementById("passwordCancel") + }, + documentProperties: { + dialog: document.getElementById("documentPropertiesDialog"), + closeButton: document.getElementById("documentPropertiesClose"), + fields: { + fileName: document.getElementById("fileNameField"), + fileSize: document.getElementById("fileSizeField"), + title: document.getElementById("titleField"), + author: document.getElementById("authorField"), + subject: document.getElementById("subjectField"), + keywords: document.getElementById("keywordsField"), + creationDate: document.getElementById("creationDateField"), + modificationDate: document.getElementById("modificationDateField"), + creator: document.getElementById("creatorField"), + producer: document.getElementById("producerField"), + version: document.getElementById("versionField"), + pageCount: document.getElementById("pageCountField"), + pageSize: document.getElementById("pageSizeField"), + linearized: document.getElementById("linearizedField") + } + }, + altTextDialog: { + dialog: document.getElementById("altTextDialog"), + optionDescription: document.getElementById("descriptionButton"), + optionDecorative: document.getElementById("decorativeButton"), + textarea: document.getElementById("descriptionTextarea"), + cancelButton: document.getElementById("altTextCancel"), + saveButton: document.getElementById("altTextSave") + }, + annotationEditorParams: { + editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"), + editorFreeTextColor: document.getElementById("editorFreeTextColor"), + editorInkColor: document.getElementById("editorInkColor"), + editorInkThickness: document.getElementById("editorInkThickness"), + editorInkOpacity: document.getElementById("editorInkOpacity"), + editorStampAddImage: document.getElementById("editorStampAddImage"), + editorFreeHighlightThickness: document.getElementById("editorFreeHighlightThickness") + }, + printContainer: document.getElementById("printContainer") + }; +} +function webViewerLoad() { + const config = getViewerConfiguration(); + PDFViewerApplication.run(config); +} +document.blockUnblockOnload?.(true); +if (document.readyState === "interactive" || document.readyState === "complete") { + webViewerLoad(); +} else { + document.addEventListener("DOMContentLoaded", webViewerLoad, true); +} + +var __webpack_exports__PDFViewerApplication = __webpack_exports__.PDFViewerApplication; +var __webpack_exports__PDFViewerApplicationConstants = __webpack_exports__.PDFViewerApplicationConstants; +var __webpack_exports__PDFViewerApplicationOptions = __webpack_exports__.PDFViewerApplicationOptions; +export { __webpack_exports__PDFViewerApplication as PDFViewerApplication, __webpack_exports__PDFViewerApplicationConstants as PDFViewerApplicationConstants, __webpack_exports__PDFViewerApplicationOptions as PDFViewerApplicationOptions }; |
