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Diffstat (limited to 'toolkit/components/pdfjs/content/web/viewer.js')
| -rw-r--r-- | toolkit/components/pdfjs/content/web/viewer.js | 12942 |
1 files changed, 12942 insertions, 0 deletions
diff --git a/toolkit/components/pdfjs/content/web/viewer.js b/toolkit/components/pdfjs/content/web/viewer.js new file mode 100644 index 0000000000..d71d722dd9 --- /dev/null +++ b/toolkit/components/pdfjs/content/web/viewer.js @@ -0,0 +1,12942 @@ +/** + * @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 + */ + +/******/ (() => { // webpackBootstrap +/******/ "use strict"; +/******/ var __webpack_modules__ = ([ +/* 0 */, +/* 1 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.FirefoxCom = exports.DownloadManager = void 0; +__webpack_require__(2); +var _app = __webpack_require__(3); +var _pdfjsLib = __webpack_require__(5); +var _preferences = __webpack_require__(42); +var _ui_utils = __webpack_require__(4); +var _l10n_utils = __webpack_require__(30); +; +class FirefoxCom { + static requestSync(action, data) { + const request = document.createTextNode(""); + document.documentElement.append(request); + const sender = new CustomEvent("pdf.js.message", { + bubbles: true, + cancelable: false, + detail: { + action, + data, + sync: true + } + }); + request.dispatchEvent(sender); + const response = sender.detail.response; + request.remove(); + return response; + } + 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, + sync: false, + responseExpected: !!callback + } + }); + request.dispatchEvent(sender); + } +} +exports.FirefoxCom = FirefoxCom; +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(element, data, filename) { + const isPdfData = (0, _pdfjsLib.isPdfFile)(filename); + const contentType = isPdfData ? "application/pdf" : ""; + if (isPdfData) { + let blobUrl = this.#openBlobUrls.get(element); + if (!blobUrl) { + blobUrl = URL.createObjectURL(new Blob([data], { + type: contentType + })); + this.#openBlobUrls.set(element, blobUrl); + } + const viewerUrl = blobUrl + "#filename=" + encodeURIComponent(filename); + try { + window.open(viewerUrl); + return true; + } catch (ex) { + console.error(`openOrDownloadData: ${ex}`); + URL.revokeObjectURL(blobUrl); + this.#openBlobUrls.delete(element); + } + } + 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 + }); + } +} +exports.DownloadManager = DownloadManager; +class FirefoxPreferences extends _preferences.BasePreferences { + async _writeToStorage(prefObj) { + return FirefoxCom.requestAsync("setPreferences", prefObj); + } + async _readFromStorage(prefObj) { + const prefStr = await FirefoxCom.requestAsync("getPreferences", prefObj); + return JSON.parse(prefStr); + } +} +class MozL10n { + constructor(mozL10n) { + this.mozL10n = mozL10n; + } + async getLanguage() { + return this.mozL10n.getLanguage(); + } + async getDirection() { + return this.mozL10n.getDirection(); + } + async get(key, args = null, fallback = (0, _l10n_utils.getL10nFallback)(key, args)) { + return this.mozL10n.get(key, args, fallback); + } + async translate(element) { + this.mozL10n.translate(element); + } +} +(function listenFindEvents() { + const events = ["find", "findagain", "findhighlightallchange", "findcasesensitivitychange", "findentirewordchange", "findbarclose", "finddiacriticmatchingchange"]; + const findLen = "find".length; + const handleEvent = function ({ + type, + detail + }) { + if (!_app.PDFViewerApplication.initialized) { + return; + } + if (type === "findbarclose") { + _app.PDFViewerApplication.eventBus.dispatch(type, { + source: window + }); + return; + } + _app.PDFViewerApplication.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 (!_app.PDFViewerApplication.initialized) { + return; + } + if (type === "zoomreset" && _app.PDFViewerApplication.pdfViewer.currentScaleValue === _ui_utils.DEFAULT_SCALE_VALUE) { + return; + } + _app.PDFViewerApplication.eventBus.dispatch(type, { + source: window + }); + }; + for (const event of events) { + window.addEventListener(event, handleEvent); + } +})(); +(function listenSaveEvent() { + const handleEvent = function ({ + type, + detail + }) { + if (!_app.PDFViewerApplication.initialized) { + return; + } + _app.PDFViewerApplication.eventBus.dispatch("download", { + source: window + }); + }; + window.addEventListener("save", handleEvent); +})(); +(function listenEditingEvent() { + const handleEvent = function ({ + detail + }) { + if (!_app.PDFViewerApplication.initialized) { + return; + } + _app.PDFViewerApplication.eventBus.dispatch("editingaction", { + source: window, + name: detail.name + }); + }; + window.addEventListener("editingaction", handleEvent); +})(); +class FirefoxComDataRangeTransport extends _pdfjsLib.PDFDataRangeTransport { + requestDataRange(begin, end) { + FirefoxCom.request("requestDataRange", { + begin, + end + }); + } + abort() { + FirefoxCom.requestSync("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 FirefoxExternalServices extends _app.DefaultExternalServices { + static updateFindControlState(data) { + FirefoxCom.request("updateFindControlState", data); + } + static updateFindMatchesCount(data) { + FirefoxCom.request("updateFindMatchesCount", data); + } + static 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.requestSync("initPassiveLoading", null); + } + static reportTelemetry(data) { + FirefoxCom.request("reportTelemetry", JSON.stringify(data)); + } + static createDownloadManager() { + return new DownloadManager(); + } + static createPreferences() { + return new FirefoxPreferences(); + } + static updateEditorStates(data) { + FirefoxCom.request("updateEditorStates", data); + } + static createL10n(options) { + const mozL10n = document.mozL10n; + return new MozL10n(mozL10n); + } + static createScripting(options) { + return FirefoxScripting; + } + static get supportsPinchToZoom() { + const support = FirefoxCom.requestSync("supportsPinchToZoom"); + return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", support); + } + static get supportsIntegratedFind() { + const support = FirefoxCom.requestSync("supportsIntegratedFind"); + return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", support); + } + static get supportsDocumentFonts() { + const support = FirefoxCom.requestSync("supportsDocumentFonts"); + return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", support); + } + static get supportedMouseWheelZoomModifierKeys() { + const support = FirefoxCom.requestSync("supportedMouseWheelZoomModifierKeys"); + return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", support); + } + static get isInAutomation() { + const isInAutomation = FirefoxCom.requestSync("isInAutomation"); + return (0, _pdfjsLib.shadow)(this, "isInAutomation", isInAutomation); + } + static get canvasMaxAreaInBytes() { + const maxArea = FirefoxCom.requestSync("getCanvasMaxArea"); + return (0, _pdfjsLib.shadow)(this, "canvasMaxAreaInBytes", maxArea); + } + static async getNimbusExperimentData() { + const nimbusData = await FirefoxCom.requestAsync("getNimbusExperimentData", null); + return nimbusData && JSON.parse(nimbusData); + } +} +_app.PDFViewerApplication.externalServices = FirefoxExternalServices; +document.mozL10n.setExternalLocalizerServices({ + getLocale() { + return FirefoxCom.requestSync("getLocale", null); + }, + getStrings(key) { + return FirefoxCom.requestSync("getStrings", null); + } +}); + +/***/ }), +/* 2 */ +/***/ (() => { + + + +(function (window) { + let gL10nData = null; + let gLanguage = ""; + let gExternalLocalizerServices = null; + let gReadyState = "loading"; + function getL10nData(key) { + gL10nData ||= gExternalLocalizerServices.getStrings(); + const data = gL10nData?.[key]; + if (!data) { + console.warn("[l10n] #" + key + " missing for [" + gLanguage + "]"); + } + return data; + } + function substArguments(text, args) { + if (!args) { + return text; + } + return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, function (all, name) { + return name in args ? args[name] : "{{" + name + "}}"; + }); + } + function translateString(key, args, fallback) { + var i = key.lastIndexOf("."); + var name, property; + if (i >= 0) { + name = key.substring(0, i); + property = key.substring(i + 1); + } else { + name = key; + property = "textContent"; + } + var data = getL10nData(name); + var value = data && data[property] || fallback; + if (!value) { + return "{{" + key + "}}"; + } + return substArguments(value, args); + } + function translateElement(element) { + if (!element || !element.dataset) { + return; + } + var key = element.dataset.l10nId; + var data = getL10nData(key); + if (!data) { + return; + } + var args; + if (element.dataset.l10nArgs) { + try { + args = JSON.parse(element.dataset.l10nArgs); + } catch (e) { + console.warn("[l10n] could not parse arguments for #" + key + ""); + } + } + for (var k in data) { + element[k] = substArguments(data[k], args); + } + } + function translateFragment(element) { + element = element || document.querySelector("html"); + var children = element.querySelectorAll("*[data-l10n-id]"); + var elementCount = children.length; + for (var i = 0; i < elementCount; i++) { + translateElement(children[i]); + } + if (element.dataset.l10nId) { + translateElement(element); + } + } + document.mozL10n = { + get: translateString, + getLanguage() { + return gLanguage; + }, + getDirection() { + var rtlList = ["ar", "he", "fa", "ps", "ur"]; + var shortCode = gLanguage.split("-")[0]; + return rtlList.includes(shortCode) ? "rtl" : "ltr"; + }, + getReadyState() { + return gReadyState; + }, + setExternalLocalizerServices(externalLocalizerServices) { + gExternalLocalizerServices = externalLocalizerServices; + gLanguage = gExternalLocalizerServices.getLocale(); + gReadyState = "complete"; + }, + translate: translateFragment + }; +})(void 0); + +/***/ }), +/* 3 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFViewerApplication = exports.PDFPrintServiceFactory = exports.DefaultExternalServices = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +var _app_options = __webpack_require__(6); +var _event_utils = __webpack_require__(7); +var _pdf_link_service = __webpack_require__(8); +var _webAnnotation_editor_params = __webpack_require__(9); +var _overlay_manager = __webpack_require__(10); +var _password_prompt = __webpack_require__(11); +var _webPdf_attachment_viewer = __webpack_require__(12); +var _webPdf_cursor_tools = __webpack_require__(14); +var _webPdf_document_properties = __webpack_require__(16); +var _webPdf_find_bar = __webpack_require__(17); +var _pdf_find_controller = __webpack_require__(18); +var _pdf_history = __webpack_require__(20); +var _webPdf_layer_viewer = __webpack_require__(21); +var _webPdf_outline_viewer = __webpack_require__(22); +var _webPdf_presentation_mode = __webpack_require__(23); +var _pdf_rendering_queue = __webpack_require__(24); +var _pdf_scripting_manager = __webpack_require__(25); +var _webPdf_sidebar = __webpack_require__(26); +var _webPdf_thumbnail_viewer = __webpack_require__(27); +var _pdf_viewer = __webpack_require__(29); +var _webSecondary_toolbar = __webpack_require__(39); +var _webToolbar = __webpack_require__(40); +var _view_history = __webpack_require__(41); +const FORCE_PAGES_LOADED_TIMEOUT = 10000; +const WHEEL_ZOOM_DISABLED_TIMEOUT = 1000; +const ViewOnLoad = { + UNKNOWN: -1, + PREVIOUS: 0, + INITIAL: 1 +}; +const ViewerCssTheme = { + AUTOMATIC: 0, + LIGHT: 1, + DARK: 2 +}; +class DefaultExternalServices { + constructor() { + throw new Error("Cannot initialize DefaultExternalServices."); + } + static updateFindControlState(data) {} + static updateFindMatchesCount(data) {} + static initPassiveLoading(callbacks) {} + static reportTelemetry(data) {} + static createDownloadManager() { + throw new Error("Not implemented: createDownloadManager"); + } + static createPreferences() { + throw new Error("Not implemented: createPreferences"); + } + static createL10n(options) { + throw new Error("Not implemented: createL10n"); + } + static createScripting(options) { + throw new Error("Not implemented: createScripting"); + } + static get supportsPinchToZoom() { + return (0, _pdfjsLib.shadow)(this, "supportsPinchToZoom", true); + } + static get supportsIntegratedFind() { + return (0, _pdfjsLib.shadow)(this, "supportsIntegratedFind", false); + } + static get supportsDocumentFonts() { + return (0, _pdfjsLib.shadow)(this, "supportsDocumentFonts", true); + } + static get supportedMouseWheelZoomModifierKeys() { + return (0, _pdfjsLib.shadow)(this, "supportedMouseWheelZoomModifierKeys", { + ctrlKey: true, + metaKey: true + }); + } + static get isInAutomation() { + return (0, _pdfjsLib.shadow)(this, "isInAutomation", false); + } + static updateEditorStates(data) { + throw new Error("Not implemented: updateEditorStates"); + } + static get canvasMaxAreaInBytes() { + return (0, _pdfjsLib.shadow)(this, "canvasMaxAreaInBytes", -1); + } + static getNimbusExperimentData() { + return (0, _pdfjsLib.shadow)(this, "getNimbusExperimentData", Promise.resolve(null)); + } +} +exports.DefaultExternalServices = DefaultExternalServices; +const PDFViewerApplication = { + initialBookmark: document.location.hash.substring(1), + _initializedCapability: new _pdfjsLib.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: "", + externalServices: DefaultExternalServices, + _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, + async initialize(appConfig) { + this.preferences = this.externalServices.createPreferences(); + this.appConfig = appConfig; + await this._initializeOptions(); + this._forceCssTheme(); + await this._initializeL10n(); + if (this.isViewerEmbedded && _app_options.AppOptions.get("externalLinkTarget") === _pdf_link_service.LinkTarget.NONE) { + _app_options.AppOptions.set("externalLinkTarget", _pdf_link_service.LinkTarget.TOP); + } + await this._initializeViewerComponents(); + this.bindEvents(); + this.bindWindowEvents(); + const appContainer = appConfig.appContainer || document.documentElement; + this.l10n.translate(appContainer).then(() => { + this.eventBus.dispatch("localized", { + source: this + }); + }); + this._initializedCapability.resolve(); + }, + async _initializeOptions() { + try { + _app_options.AppOptions.setAll(await this.preferences.getAll()); + } catch (reason) { + console.error(`_initializeOptions: "${reason.message}".`); + } + if (_app_options.AppOptions.get("pdfBugEnabled")) { + await this._parseHashParams(); + } + }, + async _parseHashParams() { + const hash = document.location.hash.substring(1); + if (!hash) { + return; + } + const { + mainContainer, + viewerContainer + } = this.appConfig, + params = (0, _ui_utils.parseQueryString)(hash); + if (params.get("disableworker") === "true") { + try { + await loadFakeWorker(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + if (params.has("disablerange")) { + _app_options.AppOptions.set("disableRange", params.get("disablerange") === "true"); + } + if (params.has("disablestream")) { + _app_options.AppOptions.set("disableStream", params.get("disablestream") === "true"); + } + if (params.has("disableautofetch")) { + _app_options.AppOptions.set("disableAutoFetch", params.get("disableautofetch") === "true"); + } + if (params.has("disablefontface")) { + _app_options.AppOptions.set("disableFontFace", params.get("disablefontface") === "true"); + } + if (params.has("disablehistory")) { + _app_options.AppOptions.set("disableHistory", params.get("disablehistory") === "true"); + } + if (params.has("verbosity")) { + _app_options.AppOptions.set("verbosity", params.get("verbosity") | 0); + } + if (params.has("textlayer")) { + switch (params.get("textlayer")) { + case "off": + _app_options.AppOptions.set("textLayerMode", _ui_utils.TextLayerMode.DISABLE); + break; + case "visible": + case "shadow": + case "hover": + viewerContainer.classList.add(`textLayer-${params.get("textlayer")}`); + try { + await loadPDFBug(this); + this._PDFBug.loadCSS(); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + break; + } + } + if (params.has("pdfbug")) { + _app_options.AppOptions.set("pdfBug", true); + _app_options.AppOptions.set("fontExtraProperties", true); + const enabled = params.get("pdfbug").split(","); + try { + await loadPDFBug(this); + this._PDFBug.init({ + OPS: _pdfjsLib.OPS + }, mainContainer, enabled); + } catch (ex) { + console.error(`_parseHashParams: "${ex.message}".`); + } + } + }, + async _initializeL10n() { + this.l10n = this.externalServices.createL10n(null); + const dir = await this.l10n.getDirection(); + document.getElementsByTagName("html")[0].dir = dir; + }, + _forceCssTheme() { + const cssTheme = _app_options.AppOptions.get("viewerCssTheme"); + if (cssTheme === ViewerCssTheme.AUTOMATIC || !Object.values(ViewerCssTheme).includes(cssTheme)) { + return; + } + try { + const styleSheet = document.styleSheets[0]; + const cssRules = styleSheet?.cssRules || []; + for (let i = 0, ii = cssRules.length; i < ii; i++) { + const rule = cssRules[i]; + if (rule instanceof CSSMediaRule && rule.media?.[0] === "(prefers-color-scheme: dark)") { + if (cssTheme === ViewerCssTheme.LIGHT) { + styleSheet.deleteRule(i); + return; + } + const darkRules = /^@media \(prefers-color-scheme: dark\) {\n\s*([\w\s-.,:;/\\{}()]+)\n}$/.exec(rule.cssText); + if (darkRules?.[1]) { + styleSheet.deleteRule(i); + styleSheet.insertRule(darkRules[1], i); + } + return; + } + } + } catch (reason) { + console.error(`_forceCssTheme: "${reason?.message}".`); + } + }, + async _initializeViewerComponents() { + const { + appConfig, + externalServices + } = this; + const eventBus = externalServices.isInAutomation ? new _event_utils.AutomationEventBus() : new _event_utils.EventBus(); + this.eventBus = eventBus; + this.overlayManager = new _overlay_manager.OverlayManager(); + const pdfRenderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); + pdfRenderingQueue.onIdle = this._cleanup.bind(this); + this.pdfRenderingQueue = pdfRenderingQueue; + const pdfLinkService = new _pdf_link_service.PDFLinkService({ + eventBus, + externalLinkTarget: _app_options.AppOptions.get("externalLinkTarget"), + externalLinkRel: _app_options.AppOptions.get("externalLinkRel"), + ignoreDestinationZoom: _app_options.AppOptions.get("ignoreDestinationZoom") + }); + this.pdfLinkService = pdfLinkService; + const downloadManager = externalServices.createDownloadManager(); + this.downloadManager = downloadManager; + const findController = new _pdf_find_controller.PDFFindController({ + linkService: pdfLinkService, + eventBus, + updateMatchesCountOnProgress: true + }); + this.findController = findController; + const pdfScriptingManager = new _pdf_scripting_manager.PDFScriptingManager({ + eventBus, + sandboxBundleSrc: null, + scriptingFactory: externalServices, + docPropertiesLookup: this._scriptingDocProperties.bind(this) + }); + this.pdfScriptingManager = pdfScriptingManager; + const container = appConfig.mainContainer, + viewer = appConfig.viewerContainer; + const annotationEditorMode = _app_options.AppOptions.get("annotationEditorMode"); + const pageColors = _app_options.AppOptions.get("forcePageColors") || window.matchMedia("(forced-colors: active)").matches ? { + background: _app_options.AppOptions.get("pageColorsBackground"), + foreground: _app_options.AppOptions.get("pageColorsForeground") + } : null; + this.pdfViewer = new _pdf_viewer.PDFViewer({ + container, + viewer, + eventBus, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + downloadManager, + findController, + scriptingManager: _app_options.AppOptions.get("enableScripting") && pdfScriptingManager, + l10n: this.l10n, + textLayerMode: _app_options.AppOptions.get("textLayerMode"), + annotationMode: _app_options.AppOptions.get("annotationMode"), + annotationEditorMode, + imageResourcesPath: _app_options.AppOptions.get("imageResourcesPath"), + enablePrintAutoRotate: _app_options.AppOptions.get("enablePrintAutoRotate"), + useOnlyCssZoom: _app_options.AppOptions.get("useOnlyCssZoom"), + isOffscreenCanvasSupported: _app_options.AppOptions.get("isOffscreenCanvasSupported"), + maxCanvasPixels: _app_options.AppOptions.get("maxCanvasPixels"), + enablePermissions: _app_options.AppOptions.get("enablePermissions"), + pageColors + }); + pdfRenderingQueue.setViewer(this.pdfViewer); + pdfLinkService.setViewer(this.pdfViewer); + pdfScriptingManager.setViewer(this.pdfViewer); + if (appConfig.sidebar?.thumbnailView) { + this.pdfThumbnailViewer = new _webPdf_thumbnail_viewer.PDFThumbnailViewer({ + container: appConfig.sidebar.thumbnailView, + renderingQueue: pdfRenderingQueue, + linkService: pdfLinkService, + l10n: this.l10n, + pageColors + }); + pdfRenderingQueue.setThumbnailViewer(this.pdfThumbnailViewer); + } + if (!this.isViewerEmbedded && !_app_options.AppOptions.get("disableHistory")) { + this.pdfHistory = new _pdf_history.PDFHistory({ + linkService: pdfLinkService, + eventBus + }); + pdfLinkService.setHistory(this.pdfHistory); + } + if (!this.supportsIntegratedFind && appConfig.findBar) { + this.findBar = new _webPdf_find_bar.PDFFindBar(appConfig.findBar, eventBus, this.l10n); + } + if (appConfig.annotationEditorParams) { + if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { + this.annotationEditorParams = new _webAnnotation_editor_params.AnnotationEditorParams(appConfig.annotationEditorParams, eventBus); + } else { + for (const id of ["editorModeButtons", "editorModeSeparator"]) { + document.getElementById(id)?.classList.add("hidden"); + } + } + } + if (appConfig.documentProperties) { + this.pdfDocumentProperties = new _webPdf_document_properties.PDFDocumentProperties(appConfig.documentProperties, this.overlayManager, eventBus, this.l10n, () => { + return this._docFilename; + }); + } + if (appConfig.secondaryToolbar?.cursorHandToolButton) { + this.pdfCursorTools = new _webPdf_cursor_tools.PDFCursorTools({ + container, + eventBus, + cursorToolOnLoad: _app_options.AppOptions.get("cursorToolOnLoad") + }); + } + if (appConfig.toolbar) { + this.toolbar = new _webToolbar.Toolbar(appConfig.toolbar, eventBus, this.l10n); + } + if (appConfig.secondaryToolbar) { + this.secondaryToolbar = new _webSecondary_toolbar.SecondaryToolbar(appConfig.secondaryToolbar, eventBus, this.externalServices); + } + if (this.supportsFullscreen && appConfig.secondaryToolbar?.presentationModeButton) { + this.pdfPresentationMode = new _webPdf_presentation_mode.PDFPresentationMode({ + container, + pdfViewer: this.pdfViewer, + eventBus + }); + } + if (appConfig.passwordOverlay) { + this.passwordPrompt = new _password_prompt.PasswordPrompt(appConfig.passwordOverlay, this.overlayManager, this.l10n, this.isViewerEmbedded); + } + if (appConfig.sidebar?.outlineView) { + this.pdfOutlineViewer = new _webPdf_outline_viewer.PDFOutlineViewer({ + container: appConfig.sidebar.outlineView, + eventBus, + linkService: pdfLinkService, + downloadManager + }); + } + if (appConfig.sidebar?.attachmentsView) { + this.pdfAttachmentViewer = new _webPdf_attachment_viewer.PDFAttachmentViewer({ + container: appConfig.sidebar.attachmentsView, + eventBus, + downloadManager + }); + } + if (appConfig.sidebar?.layersView) { + this.pdfLayerViewer = new _webPdf_layer_viewer.PDFLayerViewer({ + container: appConfig.sidebar.layersView, + eventBus, + l10n: this.l10n + }); + } + if (appConfig.sidebar) { + this.pdfSidebar = new _webPdf_sidebar.PDFSidebar({ + elements: appConfig.sidebar, + pdfViewer: this.pdfViewer, + pdfThumbnailViewer: this.pdfThumbnailViewer, + eventBus, + l10n: this.l10n + }); + this.pdfSidebar.onToggled = this.forceRendering.bind(this); + } + }, + run(config) { + this.initialize(config).then(webViewerInitialized); + }, + get initialized() { + return this._initializedCapability.settled; + }, + get initializedPromise() { + return this._initializedCapability.promise; + }, + zoomIn(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.increaseScale({ + drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomOut(steps, scaleFactor) { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.decreaseScale({ + drawingDelay: _app_options.AppOptions.get("defaultZoomDelay"), + steps, + scaleFactor + }); + }, + zoomReset() { + if (this.pdfViewer.isInPresentationMode) { + return; + } + this.pdfViewer.currentScaleValue = _ui_utils.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.instance.supportsPrinting; + }, + get supportsFullscreen() { + return (0, _pdfjsLib.shadow)(this, "supportsFullscreen", document.fullscreenEnabled); + }, + get supportsPinchToZoom() { + return this.externalServices.supportsPinchToZoom; + }, + get supportsIntegratedFind() { + return this.externalServices.supportsIntegratedFind; + }, + get supportsDocumentFonts() { + return this.externalServices.supportsDocumentFonts; + }, + get loadingBar() { + const barElement = document.getElementById("loadingBar"); + const bar = barElement ? new _ui_utils.ProgressBar(barElement) : null; + return (0, _pdfjsLib.shadow)(this, "loadingBar", bar); + }, + get supportedMouseWheelZoomModifierKeys() { + return this.externalServices.supportedMouseWheelZoomModifierKeys; + }, + initPassiveLoading() { + this.externalServices.initPassiveLoading({ + onOpenWithTransport: range => { + this.open({ + range + }); + }, + onOpenWithData: (data, contentDispositionFilename) => { + if ((0, _pdfjsLib.isPdfFile)(contentDispositionFilename)) { + this._contentDispositionFilename = contentDispositionFilename; + } + this.open({ + data + }); + }, + onOpenWithURL: (url, length, originalUrl) => { + this.open({ + url, + length, + originalUrl + }); + }, + onError: err => { + this.l10n.get("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("#")[0]; + if (downloadUrl) { + this._downloadUrl = downloadUrl === url ? this.baseUrl : downloadUrl.split("#")[0]; + } + if ((0, _pdfjsLib.isDataScheme)(url)) { + this._hideViewBookmark(); + } + let title = (0, _pdfjsLib.getPdfFilenameFromUrl)(url, ""); + if (!title) { + try { + title = decodeURIComponent((0, _pdfjsLib.getFilenameFromUrl)(url)) || url; + } catch (ex) { + 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 || (0, _pdfjsLib.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.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 = _app_options.AppOptions.getAll(_app_options.OptionKind.WORKER); + Object.assign(_pdfjsLib.GlobalWorkerOptions, workerParams); + const apiParams = _app_options.AppOptions.getAll(_app_options.OptionKind.API); + const params = { + canvasMaxAreaInBytes: this.externalServices.canvasMaxAreaInBytes, + ...apiParams, + ...args + }; + params.docBaseUrl ||= this.baseUrl; + const loadingTask = (0, _pdfjsLib.getDocument)(params); + 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 = "loading_error"; + if (reason instanceof _pdfjsLib.InvalidPDFException) { + key = "invalid_file_error"; + } else if (reason instanceof _pdfjsLib.MissingPDFException) { + key = "missing_file_error"; + } else if (reason instanceof _pdfjsLib.UnexpectedResponseException) { + key = "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 (reason) { + 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: ${reason.message}`); + await this.download(options); + } finally { + await this.pdfScriptingManager.dispatchDidSave(); + this._saveInProgress = false; + } + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "save" + } + }); + } + }, + downloadOrSave(options = {}) { + if (this.pdfDocument?.annotationStorage.size > 0) { + this.save(options); + } else { + this.download(options); + } + }, + openInExternalApp() { + this.downloadOrSave({ + openInExternalApp: true + }); + }, + _documentError(message, moreInfo = null) { + this._unblockDocumentLoadEvent(); + this._otherError(message, moreInfo); + this.eventBus.dispatch("documenterror", { + source: this, + message, + reason: moreInfo?.message ?? null + }); + }, + _otherError(message, moreInfo = null) { + const moreInfoText = [`PDF.js v${_pdfjsLib.version || "?"} (build: ${_pdfjsLib.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 ?? _app_options.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(function () {}); + const pageModePromise = pdfDocument.getPageMode().catch(function () {}); + const openActionPromise = pdfDocument.getOpenAction().catch(function () {}); + 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 _view_history.ViewHistory(pdfDocument.fingerprints[0])).getMultiple({ + page: null, + zoom: _ui_utils.DEFAULT_SCALE_VALUE, + scrollLeft: "0", + scrollTop: "0", + rotation: null, + sidebarView: _ui_utils.SidebarView.UNKNOWN, + scrollMode: _ui_utils.ScrollMode.UNKNOWN, + spreadMode: _ui_utils.SpreadMode.UNKNOWN + }).catch(() => { + return Object.create(null); + }); + firstPagePromise.then(pdfPage => { + this.loadingBar?.setWidth(this.appConfig.viewerContainer); + this._initializeAnnotationStorageCallbacks(pdfDocument); + Promise.all([_ui_utils.animationStarted, storedPromise, pageLayoutPromise, pageModePromise, openActionPromise]).then(async ([timeStamp, stored, pageLayout, pageMode, openAction]) => { + const viewOnLoad = _app_options.AppOptions.get("viewOnLoad"); + this._initializePdfHistory({ + fingerprint: pdfDocument.fingerprints[0], + viewOnLoad, + initialDest: openAction?.dest + }); + const initialBookmark = this.initialBookmark; + const zoom = _app_options.AppOptions.get("defaultZoomValue"); + let hash = zoom ? `zoom=${zoom}` : null; + let rotation = null; + let sidebarView = _app_options.AppOptions.get("sidebarViewOnLoad"); + let scrollMode = _app_options.AppOptions.get("scrollModeOnLoad"); + let spreadMode = _app_options.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 === _ui_utils.SidebarView.UNKNOWN) { + sidebarView = stored.sidebarView | 0; + } + if (scrollMode === _ui_utils.ScrollMode.UNKNOWN) { + scrollMode = stored.scrollMode | 0; + } + if (spreadMode === _ui_utils.SpreadMode.UNKNOWN) { + spreadMode = stored.spreadMode | 0; + } + } + if (pageMode && sidebarView === _ui_utils.SidebarView.UNKNOWN) { + sidebarView = (0, _ui_utils.apiPageModeToSidebarView)(pageMode); + } + if (pageLayout && scrollMode === _ui_utils.ScrollMode.UNKNOWN && spreadMode === _ui_utils.SpreadMode.UNKNOWN) { + const modes = (0, _ui_utils.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("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, javaScript] = await Promise.all([openActionPromise, !this.pdfViewer.enableScripting ? pdfDocument.getJavaScript() : null]); + if (pdfDocument !== this.pdfDocument) { + return; + } + let triggerAutoPrint = false; + if (openAction?.action === "Print") { + triggerAutoPrint = true; + } + if (javaScript) { + javaScript.some(js => { + if (!js) { + return false; + } + console.warn("Warning: JavaScript support is not enabled"); + return true; + }); + if (!triggerAutoPrint) { + for (const js of javaScript) { + if (js && _ui_utils.AutoPrintRegExp.test(js)) { + triggerAutoPrint = true; + break; + } + } + } + } + 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: ${_pdfjsLib.version || "?"} [${_pdfjsLib.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 || _app_options.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: _app_options.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(); + if (typeStr) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: typeStr + } + }); + } + }; + }, + setInitialView(storedHash, { + rotation, + sidebarView, + scrollMode, + spreadMode + } = {}) { + const setRotation = angle => { + if ((0, _ui_utils.isValidRotation)(angle)) { + this.pdfViewer.pagesRotation = angle; + } + }; + const setViewerModes = (scroll, spread) => { + if ((0, _ui_utils.isValidScrollMode)(scroll)) { + this.pdfViewer.scrollMode = scroll; + } + if ((0, _ui_utils.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 = _ui_utils.DEFAULT_SCALE_VALUE; + } + }, + _cleanup() { + if (!this.pdfDocument) { + return; + } + this.pdfViewer.cleanup(); + this.pdfThumbnailViewer?.cleanup(); + this.pdfDocument.cleanup(); + }, + forceRendering() { + this.pdfRenderingQueue.printing = !!this.printService; + this.pdfRenderingQueue.isThumbnailViewEnabled = this.pdfSidebar?.visibleView === _ui_utils.SidebarView.THUMBS; + this.pdfRenderingQueue.renderHighestPriority(); + }, + beforePrint() { + this._printAnnotationStoragePromise = this.pdfScriptingManager.dispatchWillPrint().catch(() => {}).then(() => { + return this.pdfDocument?.annotationStorage.print; + }); + if (this.printService) { + return; + } + if (!this.supportsPrinting) { + this.l10n.get("printing_not_supported").then(msg => { + this._otherError(msg); + }); + return; + } + if (!this.pdfViewer.pageViewsReady) { + this.l10n.get("printing_not_ready").then(msg => { + window.alert(msg); + }); + return; + } + const pagesOverview = this.pdfViewer.getPagesOverview(); + const printContainer = this.appConfig.printContainer; + const printResolution = _app_options.AppOptions.get("printResolution"); + const optionalContentConfigPromise = this.pdfViewer.optionalContentConfigPromise; + const printService = PDFPrintServiceFactory.instance.createPrintService(this.pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, this._printAnnotationStoragePromise, this.l10n); + this.printService = printService; + this.forceRendering(); + this.setTitle(); + printService.layout(); + if (this._hasAnnotationEditors) { + this.externalServices.reportTelemetry({ + type: "editing", + data: { + type: "print" + } + }); + } + }, + 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 (_app_options.AppOptions.get("pdfBug")) { + _boundEvents.reportPageStatsPDFBug = reportPageStatsPDFBug; + eventBus._on("pagerendered", _boundEvents.reportPageStatsPDFBug); + eventBus._on("pagechanging", _boundEvents.reportPageStatsPDFBug); + } + eventBus._on("annotationeditorstateschanged", webViewerAnnotationEditorStatesChanged); + }, + 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; + } +}; +exports.PDFViewerApplication = PDFViewerApplication; +; +async function loadFakeWorker() { + _pdfjsLib.GlobalWorkerOptions.workerSrc ||= _app_options.AppOptions.get("workerSrc"); + await (0, _pdfjsLib.loadScript)(_pdfjsLib.PDFWorker.workerSrc); +} +async function loadPDFBug(self) { + const { + debuggerScriptPath + } = self.appConfig; + const { + PDFBug + } = await import(debuggerScriptPath); + 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 webViewerInitialized() { + const { + appConfig, + eventBus, + l10n + } = PDFViewerApplication; + let file; + file = window.location.href; + if (!PDFViewerApplication.supportsDocumentFonts) { + _app_options.AppOptions.set("disableFontFace", true); + l10n.get("web_fonts_disabled").then(msg => { + console.warn(msg); + }); + } + if (!PDFViewerApplication.supportsPrinting) { + appConfig.toolbar?.print?.classList.add("hidden"); + appConfig.secondaryToolbar?.printButton.classList.add("hidden"); + } + if (!PDFViewerApplication.supportsFullscreen) { + appConfig.secondaryToolbar?.presentationModeButton.classList.add("hidden"); + } + if (PDFViewerApplication.supportsIntegratedFind) { + appConfig.toolbar?.viewFind?.classList.add("hidden"); + } + appConfig.mainContainer.addEventListener("transitionend", function (evt) { + if (evt.target === this) { + eventBus.dispatch("resize", { + source: this + }); + } + }, true); + try { + PDFViewerApplication.setTitleUsingUrl(file, file); + PDFViewerApplication.initPassiveLoading(); + } catch (reason) { + l10n.get("loading_error").then(msg => { + PDFViewerApplication._documentError(msg, reason); + }); + } +} +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 === _ui_utils.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("rendering_error").then(msg => { + PDFViewerApplication._otherError(msg, error); + }); + } +} +function webViewerPageMode({ + mode +}) { + let view; + switch (mode) { + case "thumbs": + view = _ui_utils.SidebarView.THUMBS; + break; + case "bookmarks": + case "outline": + view = _ui_utils.SidebarView.OUTLINE; + break; + case "attachments": + view = _ui_utils.SidebarView.ATTACHMENTS; + break; + case "layers": + view = _ui_utils.SidebarView.LAYERS; + break; + case "none": + view = _ui_utils.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 === _ui_utils.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.mode; +} +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 === _ui_utils.SidebarView.THUMBS) { + PDFViewerApplication.pdfThumbnailViewer?.scrollThumbnailIntoView(pageNumber); + } + const currentPage = PDFViewerApplication.pdfViewer.getPageView(pageNumber - 1); + PDFViewerApplication.toolbar?.updateLoadingIndicatorState(currentPage?.renderingState === _ui_utils.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, + supportedMouseWheelZoomModifierKeys, + supportsPinchToZoom + } = PDFViewerApplication; + if (pdfViewer.isInPresentationMode) { + return; + } + const deltaMode = evt.deltaMode; + let scaleFactor = Math.exp(-evt.deltaY / 100); + const isBuiltInMac = _pdfjsLib.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 && supportedMouseWheelZoomModifierKeys.ctrlKey || evt.metaKey && supportedMouseWheelZoomModifierKeys.metaKey) { + evt.preventDefault(); + if (zoomDisabledTimeout || document.visibilityState === "hidden") { + 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 = (0, _ui_utils.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); + } else { + setZoomDisabledTimeout(); + } +} +function webViewerTouchStart(evt) { + if (PDFViewerApplication.pdfViewer.isInPresentationMode || evt.touches.length < 2) { + return; + } + evt.preventDefault(); + if (evt.touches.length !== 2) { + 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 = (0, _ui_utils.getActiveOrFocusedElement)(); + const curElementTagName = curElement?.tagName.toUpperCase(); + if (curElementTagName === "INPUT" || curElementTagName === "TEXTAREA" || curElementTagName === "SELECT" || curElement?.isContentEditable) { + if (evt.keyCode !== 27) { + return; + } + } + if (cmd === 0) { + let turnPage = 0, + turnOnlyIfPageFit = false; + switch (evt.keyCode) { + case 38: + case 33: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 8: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = -1; + break; + case 37: + 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: + case 34: + if (pdfViewer.isVerticalScrollbarEnabled) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 13: + case 32: + if (!isViewerInPresentationMode) { + turnOnlyIfPageFit = true; + } + turnPage = 1; + break; + case 39: + 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(_ui_utils.CursorTool.SELECT); + break; + case 72: + PDFViewerApplication.pdfCursorTools?.switchTool(_ui_utils.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 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); +} +const PDFPrintServiceFactory = { + instance: { + supportsPrinting: false, + createPrintService() { + throw new Error("Not implemented: createPrintService"); + } + } +}; +exports.PDFPrintServiceFactory = PDFPrintServiceFactory; + +/***/ }), +/* 4 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.animationStarted = exports.VERTICAL_PADDING = exports.UNKNOWN_SCALE = exports.TextLayerMode = exports.SpreadMode = exports.SidebarView = exports.ScrollMode = exports.SCROLLBAR_PADDING = exports.RenderingStates = exports.ProgressBar = exports.PresentationModeState = exports.OutputScale = exports.MIN_SCALE = exports.MAX_SCALE = exports.MAX_AUTO_SCALE = exports.DEFAULT_SCALE_VALUE = exports.DEFAULT_SCALE_DELTA = exports.DEFAULT_SCALE = exports.CursorTool = exports.AutoPrintRegExp = void 0; +exports.apiPageLayoutToViewerModes = apiPageLayoutToViewerModes; +exports.apiPageModeToSidebarView = apiPageModeToSidebarView; +exports.approximateFraction = approximateFraction; +exports.backtrackBeforeAllVisibleElements = backtrackBeforeAllVisibleElements; +exports.binarySearchFirstItem = binarySearchFirstItem; +exports.docStyle = void 0; +exports.getActiveOrFocusedElement = getActiveOrFocusedElement; +exports.getPageSizeInches = getPageSizeInches; +exports.getVisibleElements = getVisibleElements; +exports.isPortraitOrientation = isPortraitOrientation; +exports.isValidRotation = isValidRotation; +exports.isValidScrollMode = isValidScrollMode; +exports.isValidSpreadMode = isValidSpreadMode; +exports.noContextMenuHandler = noContextMenuHandler; +exports.normalizeWheelEventDelta = normalizeWheelEventDelta; +exports.normalizeWheelEventDirection = normalizeWheelEventDirection; +exports.parseQueryString = parseQueryString; +exports.removeNullCharacters = removeNullCharacters; +exports.roundToDivide = roundToDivide; +exports.scrollIntoView = scrollIntoView; +exports.toggleCheckedBtn = toggleCheckedBtn; +exports.toggleExpandedBtn = toggleExpandedBtn; +exports.watchScroll = watchScroll; +const DEFAULT_SCALE_VALUE = "auto"; +exports.DEFAULT_SCALE_VALUE = DEFAULT_SCALE_VALUE; +const DEFAULT_SCALE = 1.0; +exports.DEFAULT_SCALE = DEFAULT_SCALE; +const DEFAULT_SCALE_DELTA = 1.1; +exports.DEFAULT_SCALE_DELTA = DEFAULT_SCALE_DELTA; +const MIN_SCALE = 0.1; +exports.MIN_SCALE = MIN_SCALE; +const MAX_SCALE = 10.0; +exports.MAX_SCALE = MAX_SCALE; +const UNKNOWN_SCALE = 0; +exports.UNKNOWN_SCALE = UNKNOWN_SCALE; +const MAX_AUTO_SCALE = 1.25; +exports.MAX_AUTO_SCALE = MAX_AUTO_SCALE; +const SCROLLBAR_PADDING = 40; +exports.SCROLLBAR_PADDING = SCROLLBAR_PADDING; +const VERTICAL_PADDING = 5; +exports.VERTICAL_PADDING = VERTICAL_PADDING; +const RenderingStates = { + INITIAL: 0, + RUNNING: 1, + PAUSED: 2, + FINISHED: 3 +}; +exports.RenderingStates = RenderingStates; +const PresentationModeState = { + UNKNOWN: 0, + NORMAL: 1, + CHANGING: 2, + FULLSCREEN: 3 +}; +exports.PresentationModeState = PresentationModeState; +const SidebarView = { + UNKNOWN: -1, + NONE: 0, + THUMBS: 1, + OUTLINE: 2, + ATTACHMENTS: 3, + LAYERS: 4 +}; +exports.SidebarView = SidebarView; +const TextLayerMode = { + DISABLE: 0, + ENABLE: 1, + ENABLE_PERMISSIONS: 2 +}; +exports.TextLayerMode = TextLayerMode; +const ScrollMode = { + UNKNOWN: -1, + VERTICAL: 0, + HORIZONTAL: 1, + WRAPPED: 2, + PAGE: 3 +}; +exports.ScrollMode = ScrollMode; +const SpreadMode = { + UNKNOWN: -1, + NONE: 0, + ODD: 1, + EVEN: 2 +}; +exports.SpreadMode = SpreadMode; +const CursorTool = { + SELECT: 0, + HAND: 1, + ZOOM: 2 +}; +exports.CursorTool = CursorTool; +const AutoPrintRegExp = /\bprint\s*\(/; +exports.AutoPrintRegExp = AutoPrintRegExp; +class OutputScale { + constructor() { + const pixelRatio = window.devicePixelRatio || 1; + this.sx = pixelRatio; + this.sy = pixelRatio; + } + get scaled() { + return this.sx !== 1 || this.sy !== 1; + } +} +exports.OutputScale = OutputScale; +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 InvisibleCharactersRegExp = /[\x01-\x1F]/g; +function removeNullCharacters(str, replaceInvisible = false) { + if (typeof str !== "string") { + console.error(`The argument must be a string.`); + return str; + } + if (replaceInvisible) { + str = str.replaceAll(InvisibleCharactersRegExp, " "); + } + 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 noContextMenuHandler(evt) { + evt.preventDefault(); +} +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); +}); +exports.animationStarted = animationStarted; +const docStyle = document.documentElement.style; +exports.docStyle = docStyle; +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"); + } +} +exports.ProgressBar = ProgressBar; +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); +} + +/***/ }), +/* 5 */ +/***/ ((module) => { + + + +let pdfjsLib; +if (typeof window !== "undefined" && window["pdfjs-dist/build/pdf"]) { + pdfjsLib = window["pdfjs-dist/build/pdf"]; +} else { + pdfjsLib = require("../build/pdf.js"); +} +module.exports = pdfjsLib; + +/***/ }), +/* 6 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.compatibilityParams = exports.OptionKind = exports.AppOptions = void 0; +const compatibilityParams = Object.create(null); +exports.compatibilityParams = compatibilityParams; +; +const OptionKind = { + VIEWER: 0x02, + API: 0x04, + WORKER: 0x08, + PREFERENCE: 0x80 +}; +exports.OptionKind = OptionKind; +const defaultOptions = { + annotationEditorMode: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + annotationMode: { + value: 2, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + cursorToolOnLoad: { + value: 0, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + 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 + }, + enableFloatingToolbar: { + 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 + }, + externalLinkRel: { + value: "noopener noreferrer nofollow", + kind: OptionKind.VIEWER + }, + externalLinkTarget: { + value: 0, + 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 + }, + useOnlyCssZoom: { + value: false, + kind: OptionKind.VIEWER + OptionKind.PREFERENCE + }, + viewerCssTheme: { + value: 0, + 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.js", + 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) === 0) { + continue; + } + if (kind === OptionKind.PREFERENCE) { + const value = defaultOption.value, + valueType = typeof value; + if (valueType === "boolean" || valueType === "string" || valueType === "number" && Number.isInteger(value)) { + options[name] = value; + continue; + } + throw new Error(`Invalid type for preference: ${name}`); + } + } + 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) { + for (const name in options) { + userOptions[name] = options[name]; + } + } + static remove(name) { + delete userOptions[name]; + } +} +exports.AppOptions = AppOptions; +; + +/***/ }), +/* 7 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.WaitOnType = exports.EventBus = exports.AutomationEventBus = void 0; +exports.waitOnEventOrTimeout = waitOnEventOrTimeout; +const WaitOnType = { + EVENT: "event", + TIMEOUT: "timeout" +}; +exports.WaitOnType = WaitOnType; +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; + } + } + } +} +exports.EventBus = EventBus; +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); + } +} +exports.AutomationEventBus = AutomationEventBus; + +/***/ }), +/* 8 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.SimpleLinkService = exports.PDFLinkService = exports.LinkTarget = void 0; +var _ui_utils = __webpack_require__(4); +const DEFAULT_LINK_REL = "noopener noreferrer nofollow"; +const LinkTarget = { + NONE: 0, + SELF: 1, + BLANK: 2, + PARENT: 3, + TOP: 4 +}; +exports.LinkTarget = LinkTarget; +function addLinkAttributes(link, { + url, + target, + rel, + enabled = true +} = {}) { + if (!url || typeof url !== "string") { + throw new Error('A valid "url" parameter must provided.'); + } + const urlNullRemoved = (0, _ui_utils.removeNullCharacters)(url); + if (enabled) { + link.href = link.title = urlNullRemoved; + } else { + link.href = ""; + link.title = `Disabled: ${urlNullRemoved}`; + link.onclick = () => { + return 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 = (0, _ui_utils.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: "${zoomArg}" is not a valid zoom value.`); + } + } + } + if (dest) { + this.pdfViewer.scrollPageIntoView({ + pageNumber: pageNumber || this.page, + destArray: dest, + allowNegativeOffset: true + }); + } else if (pageNumber) { + this.page = pageNumber; + } + if (params.has("pagemode")) { + this.eventBus.dispatch("pagemode", { + source: this, + mode: params.get("pagemode") + }); + } + if (params.has("nameddest")) { + this.goToDestination(params.get("nameddest")); + } + } else { + dest = unescape(hash); + try { + dest = JSON.parse(dest); + if (!Array.isArray(dest)) { + dest = dest.toString(); + } + } catch (ex) {} + if (typeof dest === "string" || PDFLinkService.#isValidExplicitDestination(dest)) { + this.goToDestination(dest); + return; + } + console.error(`PDFLinkService.setHash: "${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; + } + isPageVisible(pageNumber) { + return this.pdfViewer.isPageVisible(pageNumber); + } + isPageCached(pageNumber) { + return this.pdfViewer.isPageCached(pageNumber); + } + 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; + } +} +exports.PDFLinkService = PDFLinkService; +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) {} + isPageVisible(pageNumber) { + return true; + } + isPageCached(pageNumber) { + return true; + } +} +exports.SimpleLinkService = SimpleLinkService; + +/***/ }), +/* 9 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.AnnotationEditorParams = void 0; +var _pdfjsLib = __webpack_require__(5); +class AnnotationEditorParams { + constructor(options, eventBus) { + this.eventBus = eventBus; + this.#bindListeners(options); + } + #bindListeners({ + editorFreeTextFontSize, + editorFreeTextColor, + editorInkColor, + editorInkThickness, + editorInkOpacity + }) { + const dispatchEvent = (typeStr, value) => { + this.eventBus.dispatch("switchannotationeditorparams", { + source: this, + type: _pdfjsLib.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); + }); + this.eventBus._on("annotationeditorparamschanged", evt => { + for (const [type, value] of evt.details) { + switch (type) { + case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_SIZE: + editorFreeTextFontSize.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.FREETEXT_COLOR: + editorFreeTextColor.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_COLOR: + editorInkColor.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_THICKNESS: + editorInkThickness.value = value; + break; + case _pdfjsLib.AnnotationEditorParamsType.INK_OPACITY: + editorInkOpacity.value = value; + break; + } + } + }); + } +} +exports.AnnotationEditorParams = AnnotationEditorParams; + +/***/ }), +/* 10 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.OverlayManager = void 0; +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 unregister(dialog) { + if (!this.#overlays.has(dialog)) { + throw new Error("The overlay does not exist."); + } else if (this.#active === dialog) { + throw new Error("The overlay cannot be removed while it is active."); + } + this.#overlays.delete(dialog); + } + 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; + } +} +exports.OverlayManager = OverlayManager; + +/***/ }), +/* 11 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PasswordPrompt = void 0; +var _pdfjsLib = __webpack_require__(5); +class PasswordPrompt { + #activeCapability = null; + #updateCallback = null; + #reason = null; + constructor(options, overlayManager, l10n, 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.l10n = l10n; + 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 _pdfjsLib.PromiseCapability(); + try { + await this.overlayManager.open(this.dialog); + } catch (ex) { + this.#activeCapability = null; + throw ex; + } + const passwordIncorrect = this.#reason === _pdfjsLib.PasswordResponses.INCORRECT_PASSWORD; + if (!this._isViewerEmbedded || passwordIncorrect) { + this.input.focus(); + } + this.label.textContent = await this.l10n.get(`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; + } +} +exports.PasswordPrompt = PasswordPrompt; + +/***/ }), +/* 12 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFAttachmentViewer = void 0; +var _pdfjsLib = __webpack_require__(5); +var _base_tree_viewer = __webpack_require__(13); +var _event_utils = __webpack_require__(7); +class PDFAttachmentViewer extends _base_tree_viewer.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 _pdfjsLib.PromiseCapability(); + } + this._pendingDispatchEvent = false; + } + async _dispatchEvent(attachmentsCount) { + this._renderedCapability.resolve(); + if (attachmentsCount === 0 && !this._pendingDispatchEvent) { + this._pendingDispatchEvent = true; + await (0, _event_utils.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(element, 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 = (0, _pdfjsLib.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 + }); + }); + } +} +exports.PDFAttachmentViewer = PDFAttachmentViewer; + +/***/ }), +/* 13 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.BaseTreeViewer = void 0; +var _ui_utils = __webpack_require__(4); +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.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 (0, _ui_utils.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._lastToggleIsShow = show; + for (const toggler of root.querySelectorAll(".treeItemToggler")) { + toggler.classList.toggle("treeItemsHidden", !show); + } + } + _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.container.append(fragment); + 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; + } + 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._updateCurrentTreeItem(treeItem); + this.container.scrollTo(treeItem.offsetLeft, treeItem.offsetTop + TREEITEM_OFFSET_TOP); + } +} +exports.BaseTreeViewer = BaseTreeViewer; + +/***/ }), +/* 14 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFCursorTools = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +var _grab_to_pan = __webpack_require__(15); +class PDFCursorTools { + constructor({ + container, + eventBus, + cursorToolOnLoad = _ui_utils.CursorTool.SELECT + }) { + this.container = container; + this.eventBus = eventBus; + this.active = _ui_utils.CursorTool.SELECT; + this.previouslyActive = null; + this.handTool = new _grab_to_pan.GrabToPan({ + element: this.container + }); + this.#addEventListeners(); + Promise.resolve().then(() => { + this.switchTool(cursorToolOnLoad); + }); + } + get activeTool() { + return this.active; + } + switchTool(tool) { + if (this.previouslyActive !== null) { + return; + } + if (tool === this.active) { + return; + } + const disableActiveTool = () => { + switch (this.active) { + case _ui_utils.CursorTool.SELECT: + break; + case _ui_utils.CursorTool.HAND: + this.handTool.deactivate(); + break; + case _ui_utils.CursorTool.ZOOM: + } + }; + switch (tool) { + case _ui_utils.CursorTool.SELECT: + disableActiveTool(); + break; + case _ui_utils.CursorTool.HAND: + disableActiveTool(); + this.handTool.activate(); + break; + case _ui_utils.CursorTool.ZOOM: + default: + console.error(`switchTool: "${tool}" is an unsupported value.`); + return; + } + this.active = tool; + this.#dispatchEvent(); + } + #dispatchEvent() { + this.eventBus.dispatch("cursortoolchanged", { + source: this, + tool: this.active + }); + } + #addEventListeners() { + this.eventBus._on("switchcursortool", evt => { + this.switchTool(evt.tool); + }); + let annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE, + presentationModeState = _ui_utils.PresentationModeState.NORMAL; + const disableActive = () => { + const previouslyActive = this.active; + this.switchTool(_ui_utils.CursorTool.SELECT); + this.previouslyActive ??= previouslyActive; + }; + const enableActive = () => { + const previouslyActive = this.previouslyActive; + if (previouslyActive !== null && annotationEditorMode === _pdfjsLib.AnnotationEditorType.NONE && presentationModeState === _ui_utils.PresentationModeState.NORMAL) { + this.previouslyActive = null; + this.switchTool(previouslyActive); + } + }; + this.eventBus._on("secondarytoolbarreset", evt => { + if (this.previouslyActive !== null) { + annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; + presentationModeState = _ui_utils.PresentationModeState.NORMAL; + enableActive(); + } + }); + this.eventBus._on("annotationeditormodechanged", ({ + mode + }) => { + annotationEditorMode = mode; + if (mode === _pdfjsLib.AnnotationEditorType.NONE) { + enableActive(); + } else { + disableActive(); + } + }); + this.eventBus._on("presentationmodechanged", ({ + state + }) => { + presentationModeState = state; + if (state === _ui_utils.PresentationModeState.NORMAL) { + enableActive(); + } else if (state === _ui_utils.PresentationModeState.FULLSCREEN) { + disableActive(); + } + }); + } +} +exports.PDFCursorTools = PDFCursorTools; + +/***/ }), +/* 15 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.GrabToPan = void 0; +const CSS_CLASS_GRAB = "grab-to-pan-grab"; +class GrabToPan { + constructor(options) { + this.element = options.element; + this.document = options.element.ownerDocument; + if (typeof options.ignoreTarget === "function") { + this.ignoreTarget = options.ignoreTarget; + } + this.onActiveChanged = options.onActiveChanged; + 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); + this.onActiveChanged?.(true); + } + } + deactivate() { + if (this.active) { + this.active = false; + this.element.removeEventListener("mousedown", this._onMouseDown, true); + this._endPan(); + this.element.classList.remove(CSS_CLASS_GRAB); + this.onActiveChanged?.(false); + } + } + 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 (e) { + 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; + const scrollTop = this.scrollTopStart - yDiff; + const scrollLeft = this.scrollLeftStart - xDiff; + if (this.element.scrollTo) { + this.element.scrollTo({ + top: scrollTop, + left: scrollLeft, + behavior: "instant" + }); + } else { + this.element.scrollTop = scrollTop; + this.element.scrollLeft = scrollLeft; + } + 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(); + } +} +exports.GrabToPan = GrabToPan; + +/***/ }), +/* 16 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFDocumentProperties = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +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": "A3", + "210x297": "A4" +}; +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 = true; + l10n.getLanguage().then(locale => { + this._isNonMetricLocale = NON_METRIC_LOCALES.includes(locale); + }); + } + 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((0, _ui_utils.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 _pdfjsLib.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(`document_properties_${mb >= 1 ? "mb" : "kb"}`, { + size_mb: mb >= 1 && (+mb.toPrecision(3)).toLocaleString(), + size_kb: mb < 1 && (+kb.toPrecision(3)).toLocaleString(), + size_b: fileSize.toLocaleString() + }); + } + async #parsePageSize(pageSizeInches, pagesRotation) { + if (!pageSizeInches) { + return undefined; + } + if (pagesRotation % 180 !== 0) { + pageSizeInches = { + width: pageSizeInches.height, + height: pageSizeInches.width + }; + } + const isPortrait = (0, _ui_utils.isPortraitOrientation)(pageSizeInches); + let sizeInches = { + width: Math.round(pageSizeInches.width * 100) / 100, + height: Math.round(pageSizeInches.height * 100) / 100 + }; + let sizeMillimeters = { + width: Math.round(pageSizeInches.width * 25.4 * 10) / 10, + height: Math.round(pageSizeInches.height * 25.4 * 10) / 10 + }; + let rawName = getPageName(sizeInches, isPortrait, US_PAGE_NAMES) || getPageName(sizeMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (!rawName && !(Number.isInteger(sizeMillimeters.width) && Number.isInteger(sizeMillimeters.height))) { + const exactMillimeters = { + width: pageSizeInches.width * 25.4, + height: pageSizeInches.height * 25.4 + }; + const intMillimeters = { + width: Math.round(sizeMillimeters.width), + height: Math.round(sizeMillimeters.height) + }; + if (Math.abs(exactMillimeters.width - intMillimeters.width) < 0.1 && Math.abs(exactMillimeters.height - intMillimeters.height) < 0.1) { + rawName = getPageName(intMillimeters, isPortrait, METRIC_PAGE_NAMES); + if (rawName) { + sizeInches = { + width: Math.round(intMillimeters.width / 25.4 * 100) / 100, + height: Math.round(intMillimeters.height / 25.4 * 100) / 100 + }; + sizeMillimeters = intMillimeters; + } + } + } + const [{ + width, + height + }, unit, name, orientation] = await Promise.all([this._isNonMetricLocale ? sizeInches : sizeMillimeters, this.l10n.get(`document_properties_page_size_unit_${this._isNonMetricLocale ? "inches" : "millimeters"}`), rawName && this.l10n.get(`document_properties_page_size_name_${rawName.toLowerCase()}`), this.l10n.get(`document_properties_page_size_orientation_${isPortrait ? "portrait" : "landscape"}`)]); + return this.l10n.get(`document_properties_page_size_dimension_${name ? "name_" : ""}string`, { + width: width.toLocaleString(), + height: height.toLocaleString(), + unit, + name, + orientation + }); + } + async #parseDate(inputDate) { + const dateObject = _pdfjsLib.PDFDateString.toDateObject(inputDate); + if (!dateObject) { + return undefined; + } + return this.l10n.get("document_properties_date_string", { + date: dateObject.toLocaleDateString(), + time: dateObject.toLocaleTimeString() + }); + } + #parseLinearization(isLinearized) { + return this.l10n.get(`document_properties_linearized_${isLinearized ? "yes" : "no"}`); + } +} +exports.PDFDocumentProperties = PDFDocumentProperties; + +/***/ }), +/* 17 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFFindBar = void 0; +var _pdf_find_controller = __webpack_require__(18); +var _ui_utils = __webpack_require__(4); +const MATCHES_COUNT_LIMIT = 1000; +class PDFFindBar { + constructor(options, eventBus, l10n) { + 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.l10n = l10n; + 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"); + }); + this.eventBus._on("resize", this.#adjustWidth.bind(this)); + } + 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) { + let findMsg = Promise.resolve(""); + let status = ""; + switch (state) { + case _pdf_find_controller.FindState.FOUND: + break; + case _pdf_find_controller.FindState.PENDING: + status = "pending"; + break; + case _pdf_find_controller.FindState.NOT_FOUND: + findMsg = this.l10n.get("find_not_found"); + status = "notFound"; + break; + case _pdf_find_controller.FindState.WRAPPED: + findMsg = this.l10n.get(`find_reached_${previous ? "top" : "bottom"}`); + break; + } + this.findField.setAttribute("data-status", status); + this.findField.setAttribute("aria-invalid", state === _pdf_find_controller.FindState.NOT_FOUND); + findMsg.then(msg => { + this.findMsg.setAttribute("data-status", status); + this.findMsg.textContent = msg; + this.#adjustWidth(); + }); + this.updateResultsCount(matchesCount); + } + updateResultsCount({ + current = 0, + total = 0 + } = {}) { + const limit = MATCHES_COUNT_LIMIT; + let matchCountMsg = Promise.resolve(""); + if (total > 0) { + if (total > limit) { + let key = "find_match_count_limit"; + key += "[other]"; + matchCountMsg = this.l10n.get(key, { + limit + }); + } else { + let key = "find_match_count"; + key += "[other]"; + matchCountMsg = this.l10n.get(key, { + current, + total + }); + } + } + matchCountMsg.then(msg => { + this.findResultsCount.textContent = msg; + this.#adjustWidth(); + }); + } + open() { + if (!this.opened) { + this.opened = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.bar); + } + this.findField.select(); + this.findField.focus(); + this.#adjustWidth(); + } + close() { + if (!this.opened) { + return; + } + this.opened = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.bar); + this.eventBus.dispatch("findbarclose", { + source: this + }); + } + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } + #adjustWidth() { + if (!this.opened) { + return; + } + this.bar.classList.remove("wrapContainers"); + const findbarHeight = this.bar.clientHeight; + const inputContainerHeight = this.bar.firstElementChild.clientHeight; + if (findbarHeight > inputContainerHeight) { + this.bar.classList.add("wrapContainers"); + } + } +} +exports.PDFFindBar = PDFFindBar; + +/***/ }), +/* 18 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFFindController = exports.FindState = void 0; +var _ui_utils = __webpack_require__(4); +var _pdf_find_utils = __webpack_require__(19); +var _pdfjsLib = __webpack_require__(5); +const FindState = { + FOUND: 0, + NOT_FOUND: 1, + WRAPPED: 2, + PENDING: 3 +}; +exports.FindState = FindState; +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}*$/u; +const NOT_DIACRITIC_FROM_START_REG_EXP = /^\p{M}*([^\p{M}])/u; +const SYLLABLES_REG_EXP = /[\uAC00-\uD7AF\uFA6C\uFACF-\uFAD1\uFAD5-\uFAD7]+/g; +const SYLLABLES_LENGTHS = new Map(); +const FIRST_CHAR_SYLLABLES_REG_EXP = "[\\u1100-\\u1112\\ud7a4-\\ud7af\\ud84a\\ud84c\\ud850\\ud854\\ud857\\ud85f]"; +const NFKC_CHARS_TO_NORMALIZE = new Map(); +let noSyllablesRegExp = null; +let withSyllablesRegExp = null; +function normalize(text) { + const syllablePositions = []; + let m; + while ((m = SYLLABLES_REG_EXP.exec(text)) !== null) { + let { + index + } = m; + for (const char of m[0]) { + let len = SYLLABLES_LENGTHS.get(char); + if (!len) { + len = char.normalize("NFD").length; + SYLLABLES_LENGTHS.set(char, len); + } + syllablePositions.push([len, index++]); + } + } + let normalizationRegex; + if (syllablePositions.length === 0 && noSyllablesRegExp) { + normalizationRegex = noSyllablesRegExp; + } else if (syllablePositions.length > 0 && withSyllablesRegExp) { + normalizationRegex = withSyllablesRegExp; + } else { + const replace = Object.keys(CHARACTERS_TO_NORMALIZE).join(""); + const toNormalizeWithNFKC = (0, _pdf_find_utils.getNormalizeWithNFKC)(); + const CJK = "(?:\\p{Ideographic}|[\u3040-\u30FF])"; + const HKDiacritics = "(?:\u3099|\u309A)"; + const regexp = `([${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 = (0, _ui_utils.binarySearchFirstItem)(diffs, x => x[0] >= start); + if (diffs[i][0] > start) { + --i; + } + let j = (0, _ui_utils.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.#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 + }; + (0, _ui_utils.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 _pdfjsLib.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; + if (pageNumber >= 1 && pageNumber <= linkService.pagesCount && pageNumber !== linkService.page && !linkService.isPageVisible(pageNumber)) { + return true; + } + return false; + 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 ((0, _pdf_find_utils.getCharacterType)(first) === (0, _pdf_find_utils.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 ((0, _pdf_find_utils.getCharacterType)(last) === (0, _pdf_find_utils.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 _pdfjsLib.PromiseCapability(); + this._extractTextPromises[i] = extractTextCapability.promise; + promise = promise.then(() => { + return this._pdfDocument.getPage(i + 1).then(pdfPage => { + return 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 + }); + } +} +exports.PDFFindController = PDFFindController; + +/***/ }), +/* 19 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.CharacterType = void 0; +exports.getCharacterType = getCharacterType; +exports.getNormalizeWithNFKC = getNormalizeWithNFKC; +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 +}; +exports.CharacterType = CharacterType; +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˘-˝ˠ-ˤʹͺ;΄-΅·ϐ-ϖϰ-ϲϴ-ϵϹևٵ-ٸक़-य़ড়-ঢ়য়ਲ਼ਸ਼ਖ਼-ਜ਼ਫ਼ଡ଼-ଢ଼ำຳໜ-ໝ༌གྷཌྷདྷབྷཛྷཀྵჼᴬ-ᴮᴰ-ᴺᴼ-ᵍᵏ-ᵪᵸᶛ-ᶿẚ-ẛάέήίόύώΆ᾽-῁ΈΉ῍-῏ΐΊ῝-῟ΰΎ῭-`ΌΏ´-῾ - ‑‗․-… ″-‴‶-‷‼‾⁇-⁉⁗ ⁰-ⁱ⁴-₎ₐ-ₜ₨℀-℃℅-ℇ℉-ℓℕ-№ℙ-ℝ℠-™ℤΩℨK-ℭℯ-ℱℳ-ℹ℻-⅀ⅅ-ⅉ⅐-ⅿ↉∬-∭∯-∰〈-〉①-⓪⨌⩴-⩶⫝̸ⱼ-ⱽⵯ⺟⻳⼀-⿕ 〶〸-〺゛-゜ゟヿㄱ-ㆎ㆒-㆟㈀-㈞㈠-㉇㉐-㉾㊀-㏿ꚜ-ꚝꝰꟲ-ꟴꟸ-ꟹꭜ-ꭟꭩ豈-嗀塚晴凞-羽蘒諸逸-都飯-舘並-龎ff-stﬓ-ﬗיִײַ-זּטּ-לּמּנּ-סּףּ-פּצּ-ﮱﯓ-ﴽﵐ-ﶏﶒ-ﷇﷰ-﷼︐-︙︰-﹄﹇-﹒﹔-﹦﹨-﹫ﹰ-ﹲﹴﹶ-ﻼ！-ﾾￂ-ￇￊ-ￏￒ-ￗￚ-ￜ￠-￦`; + return NormalizeWithNFKC; +} + +/***/ }), +/* 20 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFHistory = void 0; +exports.isDestArraysEqual = isDestArraysEqual; +exports.isDestHashesEqual = isDestHashesEqual; +var _ui_utils = __webpack_require__(4); +var _event_utils = __webpack_require__(7); +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=${pageNumber}`, + page: pageNumber, + rotation: this.linkService.rotation + }); + if (!this._popStateInProgress) { + this._popStateInProgress = true; + Promise.resolve().then(() => { + this._popStateInProgress = false; + }); + } + } + pushCurrentPosition() { + if (!this._initialized || this._popStateInProgress) { + return; + } + this._tryPushCurrentPosition(); + } + back() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid > 0) { + window.history.back(); + } + } + forward() { + if (!this._initialized || this._popStateInProgress) { + return; + } + const state = window.history.state; + if (this._isValidState(state) && state.uid < this._maxUid) { + window.history.forward(); + } + } + get popStateInProgress() { + return this._initialized && (this._popStateInProgress || this._blockHashChange > 0); + } + get initialBookmark() { + return this._initialized ? this._initialBookmark : null; + } + get initialRotation() { + return this._initialized ? this._initialRotation : null; + } + _pushOrReplaceState(destination, forceReplace = false) { + const shouldReplace = forceReplace || !this._destination; + const newState = { + fingerprint: this._fingerprint, + uid: shouldReplace ? this._uid : this._uid + 1, + destination + }; + this._updateInternalState(destination, newState.uid); + let newUrl; + if (this._updateUrl && destination?.hash) { + const baseUrl = document.location.href.split("#")[0]; + if (!baseUrl.startsWith("file://")) { + newUrl = `${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 = (0, _ui_utils.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++; + (0, _event_utils.waitOnEventOrTimeout)({ + target: window, + name: "hashchange", + delay: HASH_CHANGE_TIMEOUT + }).then(() => { + this._blockHashChange--; + }); + } + const destination = state.destination; + this._updateInternalState(destination, state.uid, true); + if ((0, _ui_utils.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; + } +} +exports.PDFHistory = PDFHistory; +function isDestHashesEqual(destHash, pushHash) { + if (typeof destHash !== "string" || typeof pushHash !== "string") { + return false; + } + if (destHash === pushHash) { + return true; + } + const nameddest = (0, _ui_utils.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; +} + +/***/ }), +/* 21 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFLayerViewer = void 0; +var _base_tree_viewer = __webpack_require__(13); +class PDFLayerViewer extends _base_tree_viewer.BaseTreeViewer { + constructor(options) { + super(options); + this.l10n = options.l10n; + 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("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 + }); + } +} +exports.PDFLayerViewer = PDFLayerViewer; + +/***/ }), +/* 22 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFOutlineViewer = void 0; +var _base_tree_viewer = __webpack_require__(13); +var _pdfjsLib = __webpack_require__(5); +var _ui_utils = __webpack_require__(4); +class PDFOutlineViewer extends _base_tree_viewer.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 _pdfjsLib.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(element, 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 !== _ui_utils.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 _pdfjsLib.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 (ex) {} + } + } 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; + } +} +exports.PDFOutlineViewer = PDFOutlineViewer; + +/***/ }), +/* 23 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFPresentationMode = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +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 = _ui_utils.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(_ui_utils.PresentationModeState.CHANGING); + const promise = container.requestFullscreen(); + this.#args = { + pageNumber: pdfViewer.currentPageNumber, + scaleValue: pdfViewer.currentScaleValue, + scrollMode: pdfViewer.scrollMode, + spreadMode: null, + annotationEditorMode: null + }; + if (pdfViewer.spreadMode !== _ui_utils.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 !== _pdfjsLib.AnnotationEditorType.DISABLE) { + this.#args.annotationEditorMode = pdfViewer.annotationEditorMode; + } + try { + await promise; + pdfViewer.focus(); + return true; + } catch (reason) { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(_ui_utils.PresentationModeState.NORMAL); + } + return false; + } + get active() { + return this.#state === _ui_utils.PresentationModeState.CHANGING || this.#state === _ui_utils.PresentationModeState.FULLSCREEN; + } + #mouseWheel(evt) { + if (!this.active) { + return; + } + evt.preventDefault(); + const delta = (0, _ui_utils.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(_ui_utils.PresentationModeState.FULLSCREEN); + this.container.classList.add(ACTIVE_SELECTOR); + setTimeout(() => { + this.pdfViewer.scrollMode = _ui_utils.ScrollMode.PAGE; + if (this.#args.spreadMode !== null) { + this.pdfViewer.spreadMode = _ui_utils.SpreadMode.NONE; + } + this.pdfViewer.currentPageNumber = this.#args.pageNumber; + this.pdfViewer.currentScaleValue = "page-fit"; + if (this.#args.annotationEditorMode !== null) { + this.pdfViewer.annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; + } + }, 0); + this.#addWindowListeners(); + this.#showControls(); + this.contextMenuOpen = false; + window.getSelection().removeAllRanges(); + } + #exit() { + const pageNumber = this.pdfViewer.currentPageNumber; + this.container.classList.remove(ACTIVE_SELECTOR); + setTimeout(() => { + this.#removeFullscreenChangeListeners(); + this.#notifyStateChange(_ui_utils.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 = 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; + } +} +exports.PDFPresentationMode = PDFPresentationMode; + +/***/ }), +/* 24 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFRenderingQueue = void 0; +var _pdfjsLib = __webpack_require__(5); +var _ui_utils = __webpack_require__(4); +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; + } + hasViewer() { + return !!this.pdfViewer; + } + 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 === _ui_utils.RenderingStates.FINISHED; + } + renderView(view) { + switch (view.renderingState) { + case _ui_utils.RenderingStates.FINISHED: + return false; + case _ui_utils.RenderingStates.PAUSED: + this.highestPriorityPage = view.renderingId; + view.resume(); + break; + case _ui_utils.RenderingStates.RUNNING: + this.highestPriorityPage = view.renderingId; + break; + case _ui_utils.RenderingStates.INITIAL: + this.highestPriorityPage = view.renderingId; + view.draw().finally(() => { + this.renderHighestPriority(); + }).catch(reason => { + if (reason instanceof _pdfjsLib.RenderingCancelledException) { + return; + } + console.error(`renderView: "${reason}"`); + }); + break; + } + return true; + } +} +exports.PDFRenderingQueue = PDFRenderingQueue; + +/***/ }), +/* 25 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFScriptingManager = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +class PDFScriptingManager { + constructor({ + eventBus, + sandboxBundleSrc = null, + scriptingFactory = null, + docPropertiesLookup = null + }) { + this._pdfDocument = null; + this._pdfViewer = null; + this._closeCapability = null; + this._destroyCapability = null; + this._scripting = null; + this._ready = false; + this._eventBus = eventBus; + this._sandboxBundleSrc = sandboxBundleSrc; + this._scriptingFactory = scriptingFactory; + this._docPropertiesLookup = docPropertiesLookup; + } + setViewer(pdfViewer) { + this._pdfViewer = pdfViewer; + } + async setDocument(pdfDocument) { + if (this._pdfDocument) { + await this._destroyScripting(); + } + this._pdfDocument = pdfDocument; + if (!pdfDocument) { + return; + } + const [objects, calculationOrder, docActions] = await Promise.all([pdfDocument.getFieldObjects(), pdfDocument.getCalculationOrderIds(), pdfDocument.getJSActions()]); + if (!objects && !docActions) { + await this._destroyScripting(); + return; + } + if (pdfDocument !== this._pdfDocument) { + return; + } + try { + this._scripting = this._createScripting(); + } catch (error) { + console.error(`PDFScriptingManager.setDocument: "${error?.message}".`); + await this._destroyScripting(); + return; + } + this._internalEvents.set("updatefromsandbox", event => { + if (event?.source !== window) { + return; + } + 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 event => { + 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._getDocProperties(); + 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(`PDFScriptingManager.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(detail) { + return this._scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillSave" + }); + } + async dispatchDidSave(detail) { + return this._scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidSave" + }); + } + async dispatchWillPrint(detail) { + return this._scripting?.dispatchEventInSandbox({ + id: "doc", + name: "WillPrint" + }); + } + async dispatchDidPrint(detail) { + return this._scripting?.dispatchEventInSandbox({ + id: "doc", + name: "DidPrint" + }); + } + get destroyPromise() { + return this._destroyCapability?.promise || null; + } + get ready() { + return this._ready; + } + get _internalEvents() { + return (0, _pdfjsLib.shadow)(this, "_internalEvents", new Map()); + } + get _pageOpenPending() { + return (0, _pdfjsLib.shadow)(this, "_pageOpenPending", new Set()); + } + get _visitedPages() { + return (0, _pdfjsLib.shadow)(this, "_visitedPages", new Map()); + } + async _updateFromSandbox(detail) { + const isInPresentationMode = this._pdfViewer.isInPresentationMode || this._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) { + return; + } + const modes = (0, _ui_utils.apiPageLayoutToViewerModes)(value); + this._pdfViewer.spreadMode = modes.spreadMode; + break; + } + case "page-num": + this._pdfViewer.currentPageNumber = value + 1; + break; + case "print": + await this._pdfViewer.pagesPromise; + this._eventBus.dispatch("print", { + source: this + }); + break; + case "println": + console.log(value); + break; + case "zoom": + if (isInPresentationMode) { + return; + } + this._pdfViewer.currentScaleValue = value; + break; + case "SaveAs": + this._eventBus.dispatch("download", { + source: this + }); + break; + case "FirstPage": + this._pdfViewer.currentPageNumber = 1; + break; + case "LastPage": + this._pdfViewer.currentPageNumber = this._pdfViewer.pagesCount; + break; + case "NextPage": + this._pdfViewer.nextPage(); + break; + case "PrevPage": + this._pdfViewer.previousPage(); + break; + case "ZoomViewIn": + if (isInPresentationMode) { + return; + } + this._pdfViewer.increaseScale(); + break; + case "ZoomViewOut": + if (isInPresentationMode) { + return; + } + this._pdfViewer.decreaseScale(); + break; + } + return; + } + if (isInPresentationMode) { + if (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 _pdfjsLib.PromiseCapability(); + } + if (!this._closeCapability) { + return; + } + const pageView = this._pdfViewer.getPageView(pageNumber - 1); + if (pageView?.renderingState !== _ui_utils.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 + }); + } + async _getDocProperties() { + if (this._docPropertiesLookup) { + return this._docPropertiesLookup(this._pdfDocument); + } + throw new Error("_getDocProperties: Unable to lookup properties."); + } + _createScripting() { + this._destroyCapability = new _pdfjsLib.PromiseCapability(); + if (this._scripting) { + throw new Error("_createScripting: Scripting already exists."); + } + if (this._scriptingFactory) { + return this._scriptingFactory.createScripting({ + sandboxBundleSrc: this._sandboxBundleSrc + }); + } + throw new Error("_createScripting: Cannot create scripting."); + } + 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(reason => {}); + this._closeCapability = null; + } + this._pdfDocument = null; + try { + await this._scripting.destroySandbox(); + } catch (ex) {} + 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(); + } +} +exports.PDFScriptingManager = PDFScriptingManager; + +/***/ }), +/* 26 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFSidebar = void 0; +var _ui_utils = __webpack_require__(4); +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, + pdfViewer, + pdfThumbnailViewer, + eventBus, + l10n + }) { + this.isOpen = false; + this.active = _ui_utils.SidebarView.THUMBS; + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.onToggled = null; + this.pdfViewer = pdfViewer; + this.pdfThumbnailViewer = pdfThumbnailViewer; + 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._outlineOptionsContainer = elements.outlineOptionsContainer; + this._currentOutlineItemButton = elements.currentOutlineItemButton; + this.eventBus = eventBus; + this.l10n = l10n; + l10n.getDirection().then(dir => { + this.#isRTL = dir === "rtl"; + }); + this.#addEventListeners(); + } + reset() { + this.isInitialViewSet = false; + this.isInitialEventDispatched = false; + this.#hideUINotification(true); + this.switchView(_ui_utils.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 : _ui_utils.SidebarView.NONE; + } + setInitialView(view = _ui_utils.SidebarView.NONE) { + if (this.isInitialViewSet) { + return; + } + this.isInitialViewSet = true; + if (view === _ui_utils.SidebarView.NONE || view === _ui_utils.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 _ui_utils.SidebarView.NONE: + if (this.isOpen) { + this.close(); + } + return; + case _ui_utils.SidebarView.THUMBS: + if (this.isOpen && isViewChanged) { + forceRendering = true; + } + break; + case _ui_utils.SidebarView.OUTLINE: + if (this.outlineButton.disabled) { + return; + } + break; + case _ui_utils.SidebarView.ATTACHMENTS: + if (this.attachmentsButton.disabled) { + return; + } + break; + case _ui_utils.SidebarView.LAYERS: + if (this.layersButton.disabled) { + return; + } + break; + default: + console.error(`PDFSidebar.switchView: "${view}" is not a valid view.`); + return; + } + this.active = view; + (0, _ui_utils.toggleCheckedBtn)(this.thumbnailButton, view === _ui_utils.SidebarView.THUMBS, this.thumbnailView); + (0, _ui_utils.toggleCheckedBtn)(this.outlineButton, view === _ui_utils.SidebarView.OUTLINE, this.outlineView); + (0, _ui_utils.toggleCheckedBtn)(this.attachmentsButton, view === _ui_utils.SidebarView.ATTACHMENTS, this.attachmentsView); + (0, _ui_utils.toggleCheckedBtn)(this.layersButton, view === _ui_utils.SidebarView.LAYERS, this.layersView); + this._outlineOptionsContainer.classList.toggle("hidden", view !== _ui_utils.SidebarView.OUTLINE); + if (forceOpen && !this.isOpen) { + this.open(); + return; + } + if (forceRendering) { + this.#updateThumbnailViewer(); + this.onToggled(); + } + if (isViewChanged) { + this.#dispatchEvent(); + } + } + open() { + if (this.isOpen) { + return; + } + this.isOpen = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true); + this.outerContainer.classList.add("sidebarMoving", "sidebarOpen"); + if (this.active === _ui_utils.SidebarView.THUMBS) { + this.#updateThumbnailViewer(); + } + this.onToggled(); + this.#dispatchEvent(); + this.#hideUINotification(); + } + close() { + if (!this.isOpen) { + return; + } + this.isOpen = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false); + this.outerContainer.classList.add("sidebarMoving"); + this.outerContainer.classList.remove("sidebarOpen"); + this.onToggled(); + this.#dispatchEvent(); + } + toggle() { + if (this.isOpen) { + this.close(); + } else { + this.open(); + } + } + #dispatchEvent() { + if (this.isInitialViewSet) { + this.isInitialEventDispatched ||= true; + } + this.eventBus.dispatch("sidebarviewchanged", { + source: this, + view: this.visibleView + }); + } + #updateThumbnailViewer() { + const { + pdfViewer, + pdfThumbnailViewer + } = this; + const pagesCount = pdfViewer.pagesCount; + for (let pageIndex = 0; pageIndex < pagesCount; pageIndex++) { + const pageView = pdfViewer.getPageView(pageIndex); + if (pageView?.renderingState === _ui_utils.RenderingStates.FINISHED) { + const thumbnailView = pdfThumbnailViewer.getThumbnail(pageIndex); + thumbnailView.setImage(pageView); + } + } + pdfThumbnailViewer.scrollThumbnailIntoView(pdfViewer.currentPageNumber); + } + #showUINotification() { + this.toggleButton.setAttribute("data-l10n-id", "toggle_sidebar_notification2"); + this.l10n.translate(this.toggleButton); + 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", "toggle_sidebar"); + this.l10n.translate(this.toggleButton); + } + } + #addEventListeners() { + this.sidebarContainer.addEventListener("transitionend", evt => { + if (evt.target === this.sidebarContainer) { + this.outerContainer.classList.remove("sidebarMoving"); + } + }); + this.toggleButton.addEventListener("click", () => { + this.toggle(); + }); + this.thumbnailButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.THUMBS); + }); + this.outlineButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.OUTLINE); + }); + this.outlineButton.addEventListener("dblclick", () => { + this.eventBus.dispatch("toggleoutlinetree", { + source: this + }); + }); + this.attachmentsButton.addEventListener("click", () => { + this.switchView(_ui_utils.SidebarView.ATTACHMENTS); + }); + this.layersButton.addEventListener("click", () => { + this.switchView(_ui_utils.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(_ui_utils.SidebarView.THUMBS); + } + }; + this.eventBus._on("outlineloaded", evt => { + onTreeLoaded(evt.outlineCount, this.outlineButton, _ui_utils.SidebarView.OUTLINE); + evt.currentOutlineItemPromise.then(enabled => { + if (!this.isInitialViewSet) { + return; + } + this._currentOutlineItemButton.disabled = !enabled; + }); + }); + this.eventBus._on("attachmentsloaded", evt => { + onTreeLoaded(evt.attachmentsCount, this.attachmentsButton, _ui_utils.SidebarView.ATTACHMENTS); + }); + this.eventBus._on("layersloaded", evt => { + onTreeLoaded(evt.layersCount, this.layersButton, _ui_utils.SidebarView.LAYERS); + }); + this.eventBus._on("presentationmodechanged", evt => { + if (evt.state === _ui_utils.PresentationModeState.NORMAL && this.visibleView === _ui_utils.SidebarView.THUMBS) { + this.#updateThumbnailViewer(); + } + }); + 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; + _ui_utils.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); + } +} +exports.PDFSidebar = PDFSidebar; + +/***/ }), +/* 27 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFThumbnailViewer = void 0; +var _ui_utils = __webpack_require__(4); +var _pdf_thumbnail_view = __webpack_require__(28); +const THUMBNAIL_SCROLL_MARGIN = -19; +const THUMBNAIL_SELECTED_CLASS = "selected"; +class PDFThumbnailViewer { + constructor({ + container, + linkService, + renderingQueue, + l10n, + pageColors + }) { + this.container = container; + this.linkService = linkService; + this.renderingQueue = renderingQueue; + this.l10n = l10n; + this.pageColors = pageColors || null; + this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdated.bind(this)); + this._resetView(); + } + _scrollUpdated() { + this.renderingQueue.renderHighestPriority(); + } + getThumbnail(index) { + return this._thumbnails[index]; + } + _getVisibleThumbs() { + return (0, _ui_utils.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) { + (0, _ui_utils.scrollIntoView)(thumbnailView.div, { + top: THUMBNAIL_SCROLL_MARGIN + }); + } + } + this._currentPageNumber = pageNumber; + } + get pagesRotation() { + return this._pagesRotation; + } + set pagesRotation(rotation) { + if (!(0, _ui_utils.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 !== _ui_utils.RenderingStates.FINISHED) { + thumbnail.reset(); + } + } + _pdf_thumbnail_view.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 _pdf_thumbnail_view.PDFThumbnailView({ + container: this.container, + id: pageNum, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + linkService: this.linkService, + renderingQueue: this.renderingQueue, + l10n: this.l10n, + 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; + } +} +exports.PDFThumbnailViewer = PDFThumbnailViewer; + +/***/ }), +/* 28 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.TempImageFactory = exports.PDFThumbnailView = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +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; + } +} +exports.TempImageFactory = TempImageFactory; +class PDFThumbnailView { + constructor({ + container, + id, + defaultViewport, + optionalContentConfigPromise, + linkService, + renderingQueue, + l10n, + 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.linkService = linkService; + this.renderingQueue = renderingQueue; + this.renderTask = null; + this.renderingState = _ui_utils.RenderingStates.INITIAL; + this.resume = null; + this.l10n = l10n; + const anchor = document.createElement("a"); + anchor.href = linkService.getAnchorUrl("#page=" + id); + this._thumbPageTitle.then(msg => { + anchor.title = msg; + }); + 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 = _ui_utils.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 _ui_utils.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 !== _ui_utils.RenderingStates.FINISHED) { + throw new Error("_convertCanvasToImage: Rendering has not finished."); + } + const reducedCanvas = this._reduceImage(canvas); + const image = document.createElement("img"); + image.className = "thumbnailImage"; + this._thumbPageCanvas.then(msg => { + image.setAttribute("aria-label", msg); + }); + 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 _pdfjsLib.RenderingCancelledException) { + return; + } + this.renderingState = _ui_utils.RenderingStates.FINISHED; + this._convertCanvasToImage(canvas); + if (error) { + throw error; + } + } + async draw() { + if (this.renderingState !== _ui_utils.RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + return undefined; + } + const { + pdfPage + } = this; + if (!pdfPage) { + this.renderingState = _ui_utils.RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = _ui_utils.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 = _ui_utils.RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = _ui_utils.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; + const pageCached = this.linkService.isPageCached(this.id); + if (!pageCached) { + this.pdfPage?.cleanup(); + } + }); + return resultPromise; + } + setImage(pageView) { + if (this.renderingState !== _ui_utils.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 = _ui_utils.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 _thumbPageTitle() { + return this.l10n.get("thumb_page_title", { + page: this.pageLabel ?? this.id + }); + } + get _thumbPageCanvas() { + return this.l10n.get("thumb_page_canvas", { + page: this.pageLabel ?? this.id + }); + } + setPageLabel(label) { + this.pageLabel = typeof label === "string" ? label : null; + this._thumbPageTitle.then(msg => { + this.anchor.title = msg; + }); + if (this.renderingState !== _ui_utils.RenderingStates.FINISHED) { + return; + } + this._thumbPageCanvas.then(msg => { + this.image?.setAttribute("aria-label", msg); + }); + } +} +exports.PDFThumbnailView = PDFThumbnailView; + +/***/ }), +/* 29 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PagesCountLimit = exports.PDFViewer = exports.PDFPageViewBuffer = void 0; +var _pdfjsLib = __webpack_require__(5); +var _ui_utils = __webpack_require__(4); +var _l10n_utils = __webpack_require__(30); +var _pdf_page_view = __webpack_require__(31); +var _pdf_rendering_queue = __webpack_require__(24); +var _pdf_link_service = __webpack_require__(8); +const DEFAULT_CACHE_SIZE = 10; +const PagesCountLimit = { + FORCE_SCROLL_MODE_PAGE: 15000, + FORCE_LAZY_PAGE_INIT: 7500, + PAUSE_EAGER_PAGE_INIT: 250 +}; +exports.PagesCountLimit = PagesCountLimit; +function isValidAnnotationEditorMode(mode) { + return Object.values(_pdfjsLib.AnnotationEditorType).includes(mode) && mode !== _pdfjsLib.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); + } +} +exports.PDFPageViewBuffer = PDFPageViewBuffer; +class PDFViewer { + #buffer = null; + #annotationEditorMode = _pdfjsLib.AnnotationEditorType.NONE; + #annotationEditorUIManager = null; + #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; + #containerTopLeft = null; + #copyCallbackBound = null; + #enablePermissions = false; + #getAllTextInProgress = false; + #hiddenCopyElement = null; + #interruptCopyCondition = false; + #previousContainerHeight = 0; + #resizeObserver = new ResizeObserver(this.#resizeObserverCallback.bind(this)); + #scrollModePageState = null; + #onVisibilityChange = null; + #scaleTimeoutId = null; + #textLayerMode = _ui_utils.TextLayerMode.ENABLE; + constructor(options) { + const viewerVersion = '3.7.96'; + if (_pdfjsLib.version !== viewerVersion) { + throw new Error(`The API version "${_pdfjsLib.version}" does not match the Viewer version "${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 _pdf_link_service.SimpleLinkService(); + this.downloadManager = options.downloadManager || null; + this.findController = options.findController || null; + this._scriptingManager = options.scriptingManager || null; + this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; + this.#annotationEditorMode = options.annotationEditorMode ?? _pdfjsLib.AnnotationEditorType.NONE; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.enablePrintAutoRotate = options.enablePrintAutoRotate || false; + this.useOnlyCssZoom = options.useOnlyCssZoom || false; + this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; + this.maxCanvasPixels = options.maxCanvasPixels; + this.l10n = options.l10n || _l10n_utils.NullL10n; + this.#enablePermissions = options.enablePermissions || false; + this.pageColors = options.pageColors || null; + this.defaultRenderingQueue = !options.renderingQueue; + if (this.defaultRenderingQueue) { + this.renderingQueue = new _pdf_rendering_queue.PDFRenderingQueue(); + this.renderingQueue.setViewer(this); + } else { + this.renderingQueue = options.renderingQueue; + } + this.scroll = (0, _ui_utils.watchScroll)(this.container, this._scrollUpdate.bind(this)); + this.presentationModeState = _ui_utils.PresentationModeState.UNKNOWN; + this._onBeforeDraw = this._onAfterDraw = null; + this._resetView(); + this.#updateContainerHeightCss(); + } + get pagesCount() { + return this._pages.length; + } + getPageView(index) { + return this._pages[index]; + } + get pageViewsReady() { + return this._pagesCapability.settled && this._pages.every(pageView => pageView?.pdfPage); + } + get renderForms() { + return this.#annotationMode === _pdfjsLib.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 !== _ui_utils.UNKNOWN_SCALE ? this._currentScale : _ui_utils.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 (!(0, _ui_utils.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; + } + #layerProperties() { + const self = this; + return { + 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(_pdfjsLib.PermissionFlag.COPY) && this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE) { + params.textLayerMode = _ui_utils.TextLayerMode.ENABLE_PERMISSIONS; + } + if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_CONTENTS)) { + params.annotationEditorMode = _pdfjsLib.AnnotationEditorType.DISABLE; + } + if (!permissions.includes(_pdfjsLib.PermissionFlag.MODIFY_ANNOTATIONS) && !permissions.includes(_pdfjsLib.PermissionFlag.FILL_INTERACTIVE_FORMS) && this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS) { + params.annotationMode = _pdfjsLib.AnnotationMode.ENABLE; + } + return params; + } + #onePageRenderedOrForceFetch() { + if (document.visibilityState === "hidden" || !this.container.offsetParent || this._getVisiblePages().views.length === 0) { + return Promise.resolve(); + } + const visibilityChangePromise = new Promise(resolve => { + this.#onVisibilityChange = () => { + if (document.visibilityState !== "hidden") { + return; + } + resolve(); + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = null; + }; + document.addEventListener("visibilitychange", this.#onVisibilityChange); + }); + return Promise.race([this._onePageRenderedCapability.promise, visibilityChangePromise]); + } + 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((0, _ui_utils.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 === _ui_utils.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 = _ui_utils.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; + if (this.#onVisibilityChange) { + document.removeEventListener("visibilitychange", this.#onVisibilityChange); + this.#onVisibilityChange = 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 !== _ui_utils.TextLayerMode.DISABLE) { + const element = this.#hiddenCopyElement = document.createElement("div"); + element.id = "hiddenCopyElement"; + this.viewer.before(element); + } + if (annotationEditorMode !== _pdfjsLib.AnnotationEditorType.DISABLE) { + const mode = annotationEditorMode; + if (pdfDocument.isPureXfa) { + console.warn("Warning: XFA-editing is not implemented."); + } else if (isValidAnnotationEditorMode(mode)) { + this.#annotationEditorUIManager = new _pdfjsLib.AnnotationEditorUIManager(this.container, this.eventBus, pdfDocument?.annotationStorage); + if (mode !== _pdfjsLib.AnnotationEditorType.NONE) { + this.#annotationEditorUIManager.updateMode(mode); + } + } else { + console.error(`Invalid AnnotationEditor mode: ${mode}`); + } + } + const layerProperties = this.#layerProperties.bind(this); + const viewerElement = this._scrollMode === _ui_utils.ScrollMode.PAGE ? null : this.viewer; + const scale = this.currentScale; + const viewport = firstPdfPage.getViewport({ + scale: scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS + }); + this.viewer.style.setProperty("--scale-factor", viewport.scale); + for (let pageNum = 1; pageNum <= pagesCount; ++pageNum) { + const pageView = new _pdf_page_view.PDFPageView({ + container: viewerElement, + eventBus: this.eventBus, + id: pageNum, + scale, + defaultViewport: viewport.clone(), + optionalContentConfigPromise, + renderingQueue: this.renderingQueue, + textLayerMode, + annotationMode, + imageResourcesPath: this.imageResourcesPath, + useOnlyCssZoom: this.useOnlyCssZoom, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + maxCanvasPixels: this.maxCanvasPixels, + pageColors: this.pageColors, + l10n: this.l10n, + layerProperties + }); + this._pages.push(pageView); + } + const firstPageView = this._pages[0]; + if (firstPageView) { + firstPageView.setPdfPage(firstPdfPage); + this.linkService.cachePageRef(1, firstPdfPage.ref); + } + if (this._scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._spreadMode !== _ui_utils.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 = _ui_utils.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 _pdfjsLib.PromiseCapability(); + this._onePageRenderedCapability = new _pdfjsLib.PromiseCapability(); + this._pagesCapability = new _pdfjsLib.PromiseCapability(); + this._scrollMode = _ui_utils.ScrollMode.VERTICAL; + this._previousScrollMode = _ui_utils.ScrollMode.UNKNOWN; + this._spreadMode = _ui_utils.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 !== _ui_utils.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 === _ui_utils.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 === _ui_utils.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 === _ui_utils.ScrollMode.HORIZONTAL || left < scrollLeft || right > scrollLeft + clientWidth) { + pageSpot = { + left: 0, + top: 0 + }; + } + } + (0, _ui_utils.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 * _pdfjsLib.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 !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.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 = _ui_utils.SCROLLBAR_PADDING, + vPadding = _ui_utils.VERTICAL_PADDING; + if (this.isInPresentationMode) { + hPadding = vPadding = 4; + if (this._spreadMode !== _ui_utils.SpreadMode.NONE) { + hPadding *= 2; + } + } else if (this._scrollMode === _ui_utils.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 = (0, _ui_utils.isPortraitOrientation)(currentPage) ? pageWidthScale : Math.min(pageHeightScale, pageWidthScale); + scale = Math.min(_ui_utils.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: "${pageNumber}" is not a valid pageNumber parameter.`); + return; + } + if (this.isInPresentationMode || !destArray) { + this._setCurrentPageNumber(pageNumber, true); + return; + } + let x = 0, + y = 0; + let width = 0, + height = 0, + widthScale, + heightScale; + const changeOrientation = pageView.rotation % 180 !== 0; + const pageWidth = (changeOrientation ? pageView.height : pageView.width) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + const pageHeight = (changeOrientation ? pageView.width : pageView.height) / pageView.scale / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + let scale = 0; + switch (destArray[1].name) { + case "XYZ": + x = destArray[2]; + y = destArray[3]; + scale = destArray[4]; + x = x !== null ? x : 0; + y = y !== null ? y : pageHeight; + break; + case "Fit": + case "FitB": + scale = "page-fit"; + break; + case "FitH": + case "FitBH": + y = destArray[2]; + scale = "page-width"; + if (y === null && this._location) { + x = this._location.left; + y = this._location.top; + } else if (typeof y !== "number" || y < 0) { + y = pageHeight; + } + break; + case "FitV": + case "FitBV": + x = destArray[2]; + width = pageWidth; + height = pageHeight; + scale = "page-height"; + break; + case "FitR": + x = destArray[2]; + y = destArray[3]; + width = destArray[4] - x; + height = destArray[5] - y; + let hPadding = _ui_utils.SCROLLBAR_PADDING, + vPadding = _ui_utils.VERTICAL_PADDING; + ; + widthScale = (this.container.clientWidth - hPadding) / width / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + heightScale = (this.container.clientHeight - vPadding) / height / _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS; + scale = Math.min(Math.abs(widthScale), Math.abs(heightScale)); + break; + default: + console.error(`scrollPageIntoView: "${destArray[1].name}" is not a valid destination type.`); + return; + } + if (!ignoreDestinationZoom) { + if (scale && scale !== this._currentScale) { + this.currentScaleValue = scale; + } else if (this._currentScale === _ui_utils.UNKNOWN_SCALE) { + this.currentScaleValue = _ui_utils.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 === _ui_utils.SpreadMode.NONE && (this._scrollMode === _ui_utils.ScrollMode.PAGE || this._scrollMode === _ui_utils.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 === _ui_utils.PresentationModeState.FULLSCREEN; + } + get isChangingPresentationMode() { + return this.presentationModeState === _ui_utils.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 === _ui_utils.ScrollMode.PAGE ? this.#scrollModePageState.pages : this._pages, + horizontal = this._scrollMode === _ui_utils.ScrollMode.HORIZONTAL, + rtl = horizontal && this._isContainerRtl; + return (0, _ui_utils.getVisibleElements)({ + scrollEl: this.container, + views, + sortByVisibility: true, + horizontal, + rtl + }); + } + isPageVisible(pageNumber) { + if (!this.pdfDocument) { + return false; + } + if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { + console.error(`isPageVisible: "${pageNumber}" is not a valid page.`); + return false; + } + return this._getVisiblePages().ids.has(pageNumber); + } + isPageCached(pageNumber) { + if (!this.pdfDocument) { + return false; + } + if (!(Number.isInteger(pageNumber) && pageNumber > 0 && pageNumber <= this.pagesCount)) { + console.error(`isPageCached: "${pageNumber}" is not a valid page.`); + return false; + } + const pageView = this._pages[pageNumber - 1]; + return this.#buffer.has(pageView); + } + cleanup() { + for (const pageView of this._pages) { + if (pageView.renderingState !== _ui_utils.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 _ui_utils.ScrollMode.PAGE: + return this.#scrollModePageState.scrollDown; + case _ui_utils.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 !== _ui_utils.SpreadMode.NONE && this._scrollMode !== _ui_utils.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 = (0, _ui_utils.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 (!(0, _ui_utils.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 === _ui_utils.ScrollMode.HORIZONTAL); + viewer.classList.toggle("scrollWrapped", scrollMode === _ui_utils.ScrollMode.WRAPPED); + if (!this.pdfDocument || !pageNumber) { + return; + } + if (scrollMode === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else if (this._previousScrollMode === _ui_utils.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 (!(0, _ui_utils.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 === _ui_utils.ScrollMode.PAGE) { + this.#ensurePageViewVisible(); + } else { + viewer.textContent = ""; + if (this._spreadMode === _ui_utils.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 _ui_utils.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 _ui_utils.ScrollMode.HORIZONTAL: + { + break; + } + case _ui_utils.ScrollMode.PAGE: + case _ui_utils.ScrollMode.VERTICAL: + { + if (this._spreadMode === _ui_utils.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 * _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale < _ui_utils.MAX_SCALE); + } + this.#setScale(Math.min(_ui_utils.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 / _ui_utils.DEFAULT_SCALE_DELTA).toFixed(2) * 10) / 10; + } while (--steps > 0 && newScale > _ui_utils.MIN_SCALE); + } + this.#setScale(Math.max(_ui_utils.MIN_SCALE, newScale), { + noScroll: false, + drawingDelay + }); + } + #updateContainerHeightCss(height = this.container.clientHeight) { + if (height !== this.#previousContainerHeight) { + this.#previousContainerHeight = height; + _ui_utils.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 : _pdfjsLib.AnnotationEditorType.DISABLE; + } + set annotationEditorMode(mode) { + 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); + } + 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(); + } + } +} +exports.PDFViewer = PDFViewer; + +/***/ }), +/* 30 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.NullL10n = void 0; +exports.fixupLangCode = fixupLangCode; +exports.getL10nFallback = getL10nFallback; +const DEFAULT_L10N_STRINGS = { + of_pages: "of {{pagesCount}}", + page_of_pages: "({{pageNumber}} of {{pagesCount}})", + document_properties_kb: "{{size_kb}} KB ({{size_b}} bytes)", + document_properties_mb: "{{size_mb}} MB ({{size_b}} bytes)", + document_properties_date_string: "{{date}}, {{time}}", + document_properties_page_size_unit_inches: "in", + document_properties_page_size_unit_millimeters: "mm", + document_properties_page_size_orientation_portrait: "portrait", + document_properties_page_size_orientation_landscape: "landscape", + document_properties_page_size_name_a3: "A3", + document_properties_page_size_name_a4: "A4", + document_properties_page_size_name_letter: "Letter", + document_properties_page_size_name_legal: "Legal", + document_properties_page_size_dimension_string: "{{width}} × {{height}} {{unit}} ({{orientation}})", + document_properties_page_size_dimension_name_string: "{{width}} × {{height}} {{unit}} ({{name}}, {{orientation}})", + document_properties_linearized_yes: "Yes", + document_properties_linearized_no: "No", + additional_layers: "Additional Layers", + page_landmark: "Page {{page}}", + thumb_page_title: "Page {{page}}", + thumb_page_canvas: "Thumbnail of Page {{page}}", + find_reached_top: "Reached top of document, continued from bottom", + find_reached_bottom: "Reached end of document, continued from top", + "find_match_count[one]": "{{current}} of {{total}} match", + "find_match_count[other]": "{{current}} of {{total}} matches", + "find_match_count_limit[one]": "More than {{limit}} match", + "find_match_count_limit[other]": "More than {{limit}} matches", + find_not_found: "Phrase not found", + page_scale_width: "Page Width", + page_scale_fit: "Page Fit", + page_scale_auto: "Automatic Zoom", + page_scale_actual: "Actual Size", + page_scale_percent: "{{scale}}%", + loading_error: "An error occurred while loading the PDF.", + invalid_file_error: "Invalid or corrupted PDF file.", + missing_file_error: "Missing PDF file.", + unexpected_response_error: "Unexpected server response.", + rendering_error: "An error occurred while rendering the page.", + printing_not_supported: "Warning: Printing is not fully supported by this browser.", + printing_not_ready: "Warning: The PDF is not fully loaded for printing.", + web_fonts_disabled: "Web fonts are disabled: unable to use embedded PDF fonts.", + free_text2_default_content: "Start typing…", + editor_free_text2_aria_label: "Text Editor", + editor_ink2_aria_label: "Draw Editor", + editor_ink_canvas_aria_label: "User-created image" +}; +; +function getL10nFallback(key, args) { + switch (key) { + case "find_match_count": + key = `find_match_count[${args.total === 1 ? "one" : "other"}]`; + break; + case "find_match_count_limit": + key = `find_match_count_limit[${args.limit === 1 ? "one" : "other"}]`; + break; + } + return DEFAULT_L10N_STRINGS[key] || ""; +} +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" +}; +function fixupLangCode(langCode) { + return PARTIAL_LANG_CODES[langCode?.toLowerCase()] || langCode; +} +function formatL10nValue(text, args) { + if (!args) { + return text; + } + return text.replaceAll(/\{\{\s*(\w+)\s*\}\}/g, (all, name) => { + return name in args ? args[name] : "{{" + name + "}}"; + }); +} +const NullL10n = { + async getLanguage() { + return "en-us"; + }, + async getDirection() { + return "ltr"; + }, + async get(key, args = null, fallback = getL10nFallback(key, args)) { + return formatL10nValue(fallback, args); + }, + async translate(element) {} +}; +exports.NullL10n = NullL10n; + +/***/ }), +/* 31 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.PDFPageView = void 0; +var _pdfjsLib = __webpack_require__(5); +var _ui_utils = __webpack_require__(4); +var _annotation_editor_layer_builder = __webpack_require__(32); +var _annotation_layer_builder = __webpack_require__(33); +var _app_options = __webpack_require__(6); +var _l10n_utils = __webpack_require__(30); +var _pdf_link_service = __webpack_require__(8); +var _struct_tree_layer_builder = __webpack_require__(34); +var _text_accessibility = __webpack_require__(35); +var _text_highlighter = __webpack_require__(36); +var _text_layer_builder = __webpack_require__(37); +var _xfa_layer_builder = __webpack_require__(38); +const MAX_CANVAS_PIXELS = _app_options.compatibilityParams.maxCanvasPixels || 16777216; +const DEFAULT_LAYER_PROPERTIES = () => { + return null; +}; +class PDFPageView { + #annotationMode = _pdfjsLib.AnnotationMode.ENABLE_FORMS; + #layerProperties = null; + #loadingId = null; + #previousRotation = null; + #renderError = null; + #renderingState = _ui_utils.RenderingStates.INITIAL; + #textLayerMode = _ui_utils.TextLayerMode.ENABLE; + #useThumbnailCanvas = { + 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 || _ui_utils.DEFAULT_SCALE; + this.viewport = defaultViewport; + this.pdfPageRotate = defaultViewport.rotation; + this._optionalContentConfigPromise = options.optionalContentConfigPromise || null; + this.hasRestrictedScaling = false; + this.#textLayerMode = options.textLayerMode ?? _ui_utils.TextLayerMode.ENABLE; + this.#annotationMode = options.annotationMode ?? _pdfjsLib.AnnotationMode.ENABLE_FORMS; + this.imageResourcesPath = options.imageResourcesPath || ""; + this.useOnlyCssZoom = options.useOnlyCssZoom || false; + this.isOffscreenCanvasSupported = options.isOffscreenCanvasSupported ?? true; + this.maxCanvasPixels = options.maxCanvasPixels || MAX_CANVAS_PIXELS; + this.pageColors = options.pageColors || null; + this.eventBus = options.eventBus; + this.renderingQueue = options.renderingQueue; + this.l10n = options.l10n || _l10n_utils.NullL10n; + 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; + const div = document.createElement("div"); + div.className = "page"; + div.setAttribute("data-page-number", this.id); + div.setAttribute("role", "region"); + this.l10n.get("page_landmark", { + page: this.id + }).then(msg => { + div.setAttribute("aria-label", msg); + }); + 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 _ui_utils.RenderingStates.PAUSED: + this.div.classList.remove("loading"); + break; + case _ui_utils.RenderingStates.RUNNING: + this.div.classList.add("loadingIcon"); + this.#loadingId = setTimeout(() => { + this.div.classList.add("loading"); + this.#loadingId = null; + }, 0); + break; + case _ui_utils.RenderingStates.INITIAL: + case _ui_utils.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; + } + (0, _pdfjsLib.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 * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + this.reset(); + } + destroy() { + this.reset(); + this.pdfPage?.cleanup(); + } + get _textHighlighter() { + return (0, _pdfjsLib.shadow)(this, "_textHighlighter", new _text_highlighter.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: "${ex}".`); + error = ex; + } finally { + this.eventBus.dispatch("annotationeditorlayerrendered", { + source: this, + pageNumber: this.id, + error + }); + } + } + async #renderXfaLayer() { + let error = null; + try { + const result = await this.xfaLayer.render(this.viewport, "display"); + if (result?.textDivs && this._textHighlighter) { + this.#buildXfaTextContentItems(result.textDivs); + } + } catch (ex) { + console.error(`#renderXfaLayer: "${ex}".`); + error = ex; + } finally { + 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 _pdfjsLib.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 _struct_tree_layer_builder.StructTreeLayerBuilder(); + const tree = await (!this.structTreeLayer.renderingDone ? this.pdfPage.getStructTree() : null); + const treeDom = this.structTreeLayer?.render(tree); + if (treeDom) { + this.canvas?.append(treeDom); + } + 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 = _ui_utils.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; + }); + } + const totalRotation = (this.rotation + this.pdfPageRotate) % 360; + this.viewport = this.viewport.clone({ + scale: this.scale * _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS, + rotation: totalRotation + }); + this.#setDimensions(); + let isScalingRestricted = false; + if (this.canvas && this.maxCanvasPixels > 0) { + const { + width, + height + } = this.viewport; + const { + sx, + sy + } = this.outputScale; + if ((Math.floor(width) * sx | 0) * (Math.floor(height) * sy | 0) > this.maxCanvasPixels) { + isScalingRestricted = true; + } + } + const onlyCssZoom = this.useOnlyCssZoom || this.hasRestrictedScaling && isScalingRestricted; + const postponeDrawing = !onlyCssZoom && drawingDelay >= 0 && drawingDelay < 1000; + if (this.canvas) { + if (postponeDrawing || onlyCssZoom) { + if (postponeDrawing && this.renderingState !== _ui_utils.RenderingStates.FINISHED) { + this.cancelRendering({ + keepZoomLayer: true, + keepAnnotationLayer: true, + keepAnnotationEditorLayer: true, + keepXfaLayer: true, + keepTextLayer: true, + cancelExtraDelay: drawingDelay + }); + this.renderingState = _ui_utils.RenderingStates.FINISHED; + } + this.cssTransform({ + target: this.canvas, + redrawAnnotationLayer: true, + redrawAnnotationEditorLayer: true, + redrawXfaLayer: true, + redrawTextLayer: !postponeDrawing, + hideTextLayer: postponeDrawing + }); + 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)) { + 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) { + 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 _pdfjsLib.RenderingCancelledException) { + this.#renderError = null; + return; + } + this.#renderError = error; + this.renderingState = _ui_utils.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 !== _ui_utils.RenderingStates.INITIAL) { + console.error("Must be in new state before drawing"); + this.reset(); + } + const { + div, + l10n, + pageColors, + pdfPage, + viewport + } = this; + if (!pdfPage) { + this.renderingState = _ui_utils.RenderingStates.FINISHED; + throw new Error("pdfPage is not loaded"); + } + this.renderingState = _ui_utils.RenderingStates.RUNNING; + const canvasWrapper = document.createElement("div"); + canvasWrapper.classList.add("canvasWrapper"); + div.append(canvasWrapper); + if (!this.textLayer && this.#textLayerMode !== _ui_utils.TextLayerMode.DISABLE && !pdfPage.isPureXfa) { + this._accessibilityManager ||= new _text_accessibility.TextAccessibilityManager(); + this.textLayer = new _text_layer_builder.TextLayerBuilder({ + highlighter: this._textHighlighter, + accessibilityManager: this._accessibilityManager, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + enablePermissions: this.#textLayerMode === _ui_utils.TextLayerMode.ENABLE_PERMISSIONS + }); + div.append(this.textLayer.div); + } + if (!this.annotationLayer && this.#annotationMode !== _pdfjsLib.AnnotationMode.DISABLE) { + const { + annotationStorage, + downloadManager, + enableScripting, + fieldObjectsPromise, + hasJSActionsPromise, + linkService + } = this.#layerProperties(); + this._annotationCanvasMap ||= new Map(); + this.annotationLayer = new _annotation_layer_builder.AnnotationLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.#annotationMode === _pdfjsLib.AnnotationMode.ENABLE_FORMS, + linkService, + downloadManager, + l10n, + enableScripting, + hasJSActionsPromise, + fieldObjectsPromise, + annotationCanvasMap: this._annotationCanvasMap, + accessibilityManager: this._accessibilityManager + }); + } + const renderContinueCallback = cont => { + showCanvas?.(false); + if (this.renderingQueue && !this.renderingQueue.isHighestPriority(this)) { + this.renderingState = _ui_utils.RenderingStates.PAUSED; + this.resume = () => { + this.renderingState = _ui_utils.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 _ui_utils.OutputScale(); + if (this.useOnlyCssZoom) { + const actualSizeViewport = viewport.clone({ + scale: _pdfjsLib.PixelsPerInch.PDF_TO_CSS_UNITS + }); + outputScale.sx *= actualSizeViewport.width / width; + outputScale.sy *= actualSizeViewport.height / height; + } + 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 = (0, _ui_utils.approximateFraction)(outputScale.sx); + const sfy = (0, _ui_utils.approximateFraction)(outputScale.sy); + canvas.width = (0, _ui_utils.roundToDivide)(width * outputScale.sx, sfx[0]); + canvas.height = (0, _ui_utils.roundToDivide)(height * outputScale.sy, sfy[0]); + const { + style + } = canvas; + style.width = (0, _ui_utils.roundToDivide)(width, sfx[1]) + "px"; + style.height = (0, _ui_utils.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(); + } + if (!this.annotationEditorLayer) { + const { + annotationEditorUIManager + } = this.#layerProperties(); + if (!annotationEditorUIManager) { + return; + } + this.annotationEditorLayer = new _annotation_editor_layer_builder.AnnotationEditorLayerBuilder({ + uiManager: annotationEditorUIManager, + pageDiv: div, + pdfPage, + l10n, + accessibilityManager: this._accessibilityManager + }); + } + this.#renderAnnotationEditorLayer(); + }, error => { + if (!(error instanceof _pdfjsLib.RenderingCancelledException)) { + showCanvas?.(true); + } + return this.#finishRenderTask(renderTask, error); + }); + if (pdfPage.isPureXfa) { + if (!this.xfaLayer) { + const { + annotationStorage, + linkService + } = this.#layerProperties(); + this.xfaLayer = new _xfa_layer_builder.XfaLayerBuilder({ + pageDiv: div, + pdfPage, + annotationStorage, + linkService + }); + } else if (this.xfaLayer.div) { + div.append(this.xfaLayer.div); + } + 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; + if (this.pageLabel !== null) { + this.div.setAttribute("data-page-label", this.pageLabel); + } else { + this.div.removeAttribute("data-page-label"); + } + } + get thumbnailCanvas() { + const { + initialOptionalContent, + regularAnnotations + } = this.#useThumbnailCanvas; + return initialOptionalContent && regularAnnotations ? this.canvas : null; + } +} +exports.PDFPageView = PDFPageView; + +/***/ }), +/* 32 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.AnnotationEditorLayerBuilder = void 0; +var _pdfjsLib = __webpack_require__(5); +var _l10n_utils = __webpack_require__(30); +class AnnotationEditorLayerBuilder { + #uiManager; + constructor(options) { + this.pageDiv = options.pageDiv; + this.pdfPage = options.pdfPage; + this.accessibilityManager = options.accessibilityManager; + this.l10n = options.l10n || _l10n_utils.NullL10n; + this.annotationEditorLayer = null; + this.div = null; + this._cancelled = false; + this.#uiManager = options.uiManager; + } + 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; + this.pageDiv.append(div); + this.annotationEditorLayer = new _pdfjsLib.AnnotationEditorLayer({ + uiManager: this.#uiManager, + div, + accessibilityManager: this.accessibilityManager, + pageIndex: this.pdfPage.pageNumber - 1, + l10n: this.l10n, + viewport: clonedViewport + }); + 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; + } +} +exports.AnnotationEditorLayerBuilder = AnnotationEditorLayerBuilder; + +/***/ }), +/* 33 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.AnnotationLayerBuilder = void 0; +var _pdfjsLib = __webpack_require__(5); +var _l10n_utils = __webpack_require__(30); +var _ui_utils = __webpack_require__(4); +class AnnotationLayerBuilder { + #numAnnotations = 0; + #onPresentationModeChanged = null; + constructor({ + pageDiv, + pdfPage, + linkService, + downloadManager, + annotationStorage = null, + imageResourcesPath = "", + renderForms = true, + l10n = _l10n_utils.NullL10n, + 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.l10n = l10n; + 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.div = null; + this._cancelled = false; + this._eventBus = linkService.eventBus; + } + async render(viewport, intent = "display") { + if (this.div) { + if (this._cancelled || this.#numAnnotations === 0) { + return; + } + _pdfjsLib.AnnotationLayer.update({ + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + annotationCanvasMap: this._annotationCanvasMap + }); + return; + } + const [annotations, hasJSActions, fieldObjects] = await Promise.all([this.pdfPage.getAnnotations({ + intent + }), this._hasJSActionsPromise, this._fieldObjectsPromise]); + if (this._cancelled) { + return; + } + this.#numAnnotations = annotations.length; + this.div = document.createElement("div"); + this.div.className = "annotationLayer"; + this.pageDiv.append(this.div); + if (this.#numAnnotations === 0) { + this.hide(); + return; + } + _pdfjsLib.AnnotationLayer.render({ + viewport: viewport.clone({ + dontFlip: true + }), + div: this.div, + annotations, + page: this.pdfPage, + imageResourcesPath: this.imageResourcesPath, + renderForms: this.renderForms, + linkService: this.linkService, + downloadManager: this.downloadManager, + annotationStorage: this.annotationStorage, + enableScripting: this.enableScripting, + hasJSActions, + fieldObjects, + annotationCanvasMap: this._annotationCanvasMap, + accessibilityManager: this._accessibilityManager + }); + this.l10n.translate(this.div); + if (this.linkService.isInPresentationMode) { + this.#updatePresentationModeState(_ui_utils.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 _ui_utils.PresentationModeState.FULLSCREEN: + disableFormElements = true; + break; + case _ui_utils.PresentationModeState.NORMAL: + break; + default: + return; + } + for (const section of this.div.childNodes) { + if (section.hasAttribute("data-internal-link")) { + continue; + } + section.inert = disableFormElements; + } + } +} +exports.AnnotationLayerBuilder = AnnotationLayerBuilder; + +/***/ }), +/* 34 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.StructTreeLayerBuilder = void 0; +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) { + if (structElement.alt !== undefined) { + htmlElement.setAttribute("aria-label", structElement.alt); + } + if (structElement.id !== undefined) { + htmlElement.setAttribute("aria-owns", structElement.id); + } + if (structElement.lang !== undefined) { + htmlElement.setAttribute("lang", structElement.lang); + } + } + #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; + } +} +exports.StructTreeLayerBuilder = StructTreeLayerBuilder; + +/***/ }), +/* 35 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.TextAccessibilityManager = void 0; +var _ui_utils = __webpack_require__(4); +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; + } + if (!this.#enabled) { + this.#waitingElements.set(element, isRemovable); + return; + } + if (isRemovable) { + this.removePointerInTextLayer(element); + } + const children = this.#textChildren; + if (!children || children.length === 0) { + return; + } + const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(element, node) < 0); + const nodeIndex = Math.max(0, index - 1); + this.#addIdToAriaOwns(id, children[nodeIndex]); + this.#textNodes.set(id, nodeIndex); + } + moveElementInDOM(container, element, contentElement, isRemovable) { + this.addPointerInTextLayer(contentElement, isRemovable); + if (!container.hasChildNodes()) { + container.append(element); + return; + } + const children = Array.from(container.childNodes).filter(node => node !== element); + if (children.length === 0) { + return; + } + const elementToCompare = contentElement || element; + const index = (0, _ui_utils.binarySearchFirstItem)(children, node => TextAccessibilityManager.#compareElementPositions(elementToCompare, node) < 0); + if (index === 0) { + children[0].before(element); + } else { + children[index - 1].after(element); + } + } +} +exports.TextAccessibilityManager = TextAccessibilityManager; + +/***/ }), +/* 36 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.TextHighlighter = void 0; +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); + } +} +exports.TextHighlighter = TextHighlighter; + +/***/ }), +/* 37 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.TextLayerBuilder = void 0; +var _pdfjsLib = __webpack_require__(5); +var _ui_utils = __webpack_require__(4); +class TextLayerBuilder { + #enablePermissions = false; + #rotation = 0; + #scale = 0; + #textContentSource = null; + constructor({ + highlighter = null, + accessibilityManager = null, + isOffscreenCanvasSupported = true, + enablePermissions = false + }) { + this.textContentItemsStr = []; + this.renderingDone = false; + this.textDivs = []; + this.textDivProperties = new WeakMap(); + this.textLayerRenderTask = null; + this.highlighter = highlighter; + this.accessibilityManager = accessibilityManager; + this.isOffscreenCanvasSupported = isOffscreenCanvasSupported; + this.#enablePermissions = enablePermissions === true; + this.div = document.createElement("div"); + this.div.className = "textLayer"; + this.hide(); + } + #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(); + (0, _pdfjsLib.updateTextLayer)({ + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported, + 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 = (0, _pdfjsLib.renderTextLayer)({ + textContentSource: this.#textContentSource, + container: this.div, + viewport, + textDivs: this.textDivs, + textDivProperties: this.textDivProperties, + textContentItemsStr: this.textContentItemsStr, + isOffscreenCanvasSupported: this.isOffscreenCanvasSupported + }); + await this.textLayerRenderTask.promise; + this.#finishRendering(); + this.#scale = scale; + this.#rotation = rotation; + this.show(); + this.accessibilityManager?.enable(); + } + hide() { + if (!this.div.hidden) { + 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", (0, _ui_utils.removeNullCharacters)((0, _pdfjsLib.normalizeUnicode)(selection.toString()))); + } + event.preventDefault(); + event.stopPropagation(); + }); + } +} +exports.TextLayerBuilder = TextLayerBuilder; + +/***/ }), +/* 38 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.XfaLayerBuilder = void 0; +var _pdfjsLib = __webpack_require__(5); +class XfaLayerBuilder { + constructor({ + pageDiv, + pdfPage, + annotationStorage = null, + linkService, + xfaHtml = null + }) { + this.pageDiv = pageDiv; + 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 + }; + const div = document.createElement("div"); + this.pageDiv.append(div); + parameters.div = div; + return _pdfjsLib.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 _pdfjsLib.XfaLayer.update(parameters); + } + this.div = document.createElement("div"); + this.pageDiv.append(this.div); + parameters.div = this.div; + return _pdfjsLib.XfaLayer.render(parameters); + } + cancel() { + this._cancelled = true; + } + hide() { + if (!this.div) { + return; + } + this.div.hidden = true; + } +} +exports.XfaLayerBuilder = XfaLayerBuilder; + +/***/ }), +/* 39 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.SecondaryToolbar = void 0; +var _ui_utils = __webpack_require__(4); +var _pdf_viewer = __webpack_require__(29); +class SecondaryToolbar { + constructor(options, eventBus, externalServices) { + this.toolbar = options.toolbar; + this.toggleButton = options.toggleButton; + this.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: _ui_utils.CursorTool.SELECT + }, + close: true + }, { + element: options.cursorHandToolButton, + eventName: "switchcursortool", + eventDetails: { + tool: _ui_utils.CursorTool.HAND + }, + close: true + }, { + element: options.scrollPageButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.PAGE + }, + close: true + }, { + element: options.scrollVerticalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.VERTICAL + }, + close: true + }, { + element: options.scrollHorizontalButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.HORIZONTAL + }, + close: true + }, { + element: options.scrollWrappedButton, + eventName: "switchscrollmode", + eventDetails: { + mode: _ui_utils.ScrollMode.WRAPPED + }, + close: true + }, { + element: options.spreadNoneButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.NONE + }, + close: true + }, { + element: options.spreadOddButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.ODD + }, + close: true + }, { + element: options.spreadEvenButton, + eventName: "switchspreadmode", + eventDetails: { + mode: _ui_utils.SpreadMode.EVEN + }, + close: true + }, { + element: options.documentPropertiesButton, + eventName: "documentproperties", + close: true + }]; + this.items = { + firstPage: options.firstPageButton, + lastPage: options.lastPageButton, + pageRotateCw: options.pageRotateCwButton, + pageRotateCcw: options.pageRotateCcwButton + }; + this.eventBus = eventBus; + this.externalServices = externalServices; + this.opened = false; + this.#bindClickListeners(); + this.#bindCursorToolsListener(options); + this.#bindScrollModeListener(options); + this.#bindSpreadModeListener(options); + 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.eventBus.dispatch("secondarytoolbarreset", { + source: this + }); + } + #updateUIState() { + this.items.firstPage.disabled = this.pageNumber <= 1; + this.items.lastPage.disabled = this.pageNumber >= this.pagesCount; + this.items.pageRotateCw.disabled = this.pagesCount === 0; + this.items.pageRotateCcw.disabled = this.pagesCount === 0; + } + #bindClickListeners() { + this.toggleButton.addEventListener("click", this.toggle.bind(this)); + for (const { + element, + eventName, + close, + eventDetails + } of this.buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + this.eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + } + if (close) { + this.close(); + } + this.externalServices.reportTelemetry({ + type: "buttons", + data: { + id: element.id + } + }); + }); + } + } + #bindCursorToolsListener({ + cursorSelectToolButton, + cursorHandToolButton + }) { + this.eventBus._on("cursortoolchanged", ({ + tool + }) => { + (0, _ui_utils.toggleCheckedBtn)(cursorSelectToolButton, tool === _ui_utils.CursorTool.SELECT); + (0, _ui_utils.toggleCheckedBtn)(cursorHandToolButton, tool === _ui_utils.CursorTool.HAND); + }); + } + #bindScrollModeListener({ + scrollPageButton, + scrollVerticalButton, + scrollHorizontalButton, + scrollWrappedButton, + spreadNoneButton, + spreadOddButton, + spreadEvenButton + }) { + const scrollModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(scrollPageButton, mode === _ui_utils.ScrollMode.PAGE); + (0, _ui_utils.toggleCheckedBtn)(scrollVerticalButton, mode === _ui_utils.ScrollMode.VERTICAL); + (0, _ui_utils.toggleCheckedBtn)(scrollHorizontalButton, mode === _ui_utils.ScrollMode.HORIZONTAL); + (0, _ui_utils.toggleCheckedBtn)(scrollWrappedButton, mode === _ui_utils.ScrollMode.WRAPPED); + const forceScrollModePage = this.pagesCount > _pdf_viewer.PagesCountLimit.FORCE_SCROLL_MODE_PAGE; + scrollPageButton.disabled = forceScrollModePage; + scrollVerticalButton.disabled = forceScrollModePage; + scrollHorizontalButton.disabled = forceScrollModePage; + scrollWrappedButton.disabled = forceScrollModePage; + const isHorizontal = mode === _ui_utils.ScrollMode.HORIZONTAL; + spreadNoneButton.disabled = isHorizontal; + spreadOddButton.disabled = isHorizontal; + spreadEvenButton.disabled = isHorizontal; + }; + this.eventBus._on("scrollmodechanged", scrollModeChanged); + this.eventBus._on("secondarytoolbarreset", evt => { + if (evt.source === this) { + scrollModeChanged({ + mode: _ui_utils.ScrollMode.VERTICAL + }); + } + }); + } + #bindSpreadModeListener({ + spreadNoneButton, + spreadOddButton, + spreadEvenButton + }) { + const spreadModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(spreadNoneButton, mode === _ui_utils.SpreadMode.NONE); + (0, _ui_utils.toggleCheckedBtn)(spreadOddButton, mode === _ui_utils.SpreadMode.ODD); + (0, _ui_utils.toggleCheckedBtn)(spreadEvenButton, mode === _ui_utils.SpreadMode.EVEN); + }; + this.eventBus._on("spreadmodechanged", spreadModeChanged); + this.eventBus._on("secondarytoolbarreset", evt => { + if (evt.source === this) { + spreadModeChanged({ + mode: _ui_utils.SpreadMode.NONE + }); + } + }); + } + open() { + if (this.opened) { + return; + } + this.opened = true; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, true, this.toolbar); + } + close() { + if (!this.opened) { + return; + } + this.opened = false; + (0, _ui_utils.toggleExpandedBtn)(this.toggleButton, false, this.toolbar); + } + toggle() { + if (this.opened) { + this.close(); + } else { + this.open(); + } + } +} +exports.SecondaryToolbar = SecondaryToolbar; + +/***/ }), +/* 40 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.Toolbar = void 0; +var _ui_utils = __webpack_require__(4); +var _pdfjsLib = __webpack_require__(5); +const PAGE_NUMBER_LOADING_INDICATOR = "visiblePageIsLoading"; +class Toolbar { + #wasLocalized = false; + constructor(options, eventBus, l10n) { + this.toolbar = options.container; + this.eventBus = eventBus; + this.l10n = l10n; + this.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") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.FREETEXT; + } + } + }, { + element: options.editorInkButton, + eventName: "switchannotationeditormode", + eventDetails: { + get mode() { + const { + classList + } = options.editorInkButton; + return classList.contains("toggled") ? _pdfjsLib.AnnotationEditorType.NONE : _pdfjsLib.AnnotationEditorType.INK; + } + } + }]; + this.items = { + numPages: options.numPages, + pageNumber: options.pageNumber, + scaleSelect: options.scaleSelect, + customScaleOption: options.customScaleOption, + previous: options.previous, + next: options.next, + zoomIn: options.zoomIn, + zoomOut: options.zoomOut + }; + this.#bindListeners(options); + this.reset(); + } + 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 = _ui_utils.DEFAULT_SCALE_VALUE; + this.pageScale = _ui_utils.DEFAULT_SCALE; + this.#updateUIState(true); + this.updateLoadingIndicatorState(); + this.eventBus.dispatch("toolbarreset", { + source: this + }); + } + #bindListeners(options) { + const { + pageNumber, + scaleSelect + } = this.items; + const self = this; + for (const { + element, + eventName, + eventDetails + } of this.buttons) { + element.addEventListener("click", evt => { + if (eventName !== null) { + this.eventBus.dispatch(eventName, { + source: this, + ...eventDetails + }); + } + }); + } + pageNumber.addEventListener("click", function () { + this.select(); + }); + pageNumber.addEventListener("change", function () { + self.eventBus.dispatch("pagenumberchanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("change", function () { + if (this.value === "custom") { + return; + } + self.eventBus.dispatch("scalechanged", { + source: self, + value: this.value + }); + }); + scaleSelect.addEventListener("click", function (evt) { + const target = evt.target; + if (this.value === self.pageScaleValue && target.tagName.toUpperCase() === "OPTION") { + this.blur(); + } + }); + scaleSelect.oncontextmenu = _ui_utils.noContextMenuHandler; + this.eventBus._on("localized", () => { + this.#wasLocalized = true; + this.#adjustScaleWidth(); + this.#updateUIState(true); + }); + this.#bindEditorToolsListener(options); + } + #bindEditorToolsListener({ + editorFreeTextButton, + editorFreeTextParamsToolbar, + editorInkButton, + editorInkParamsToolbar + }) { + const editorModeChanged = ({ + mode + }) => { + (0, _ui_utils.toggleCheckedBtn)(editorFreeTextButton, mode === _pdfjsLib.AnnotationEditorType.FREETEXT, editorFreeTextParamsToolbar); + (0, _ui_utils.toggleCheckedBtn)(editorInkButton, mode === _pdfjsLib.AnnotationEditorType.INK, editorInkParamsToolbar); + const isDisable = mode === _pdfjsLib.AnnotationEditorType.DISABLE; + editorFreeTextButton.disabled = isDisable; + editorInkButton.disabled = isDisable; + }; + this.eventBus._on("annotationeditormodechanged", editorModeChanged); + this.eventBus._on("toolbarreset", evt => { + if (evt.source === this) { + editorModeChanged({ + mode: _pdfjsLib.AnnotationEditorType.DISABLE + }); + } + }); + } + #updateUIState(resetNumPages = false) { + if (!this.#wasLocalized) { + return; + } + const { + pageNumber, + pagesCount, + pageScaleValue, + pageScale, + items + } = this; + if (resetNumPages) { + if (this.hasPageLabels) { + items.pageNumber.type = "text"; + } else { + items.pageNumber.type = "number"; + this.l10n.get("of_pages", { + pagesCount + }).then(msg => { + items.numPages.textContent = msg; + }); + } + items.pageNumber.max = pagesCount; + } + if (this.hasPageLabels) { + items.pageNumber.value = this.pageLabel; + this.l10n.get("page_of_pages", { + pageNumber, + pagesCount + }).then(msg => { + items.numPages.textContent = msg; + }); + } else { + items.pageNumber.value = pageNumber; + } + items.previous.disabled = pageNumber <= 1; + items.next.disabled = pageNumber >= pagesCount; + items.zoomOut.disabled = pageScale <= _ui_utils.MIN_SCALE; + items.zoomIn.disabled = pageScale >= _ui_utils.MAX_SCALE; + this.l10n.get("page_scale_percent", { + scale: Math.round(pageScale * 10000) / 100 + }).then(msg => { + let predefinedValueFound = false; + for (const option of items.scaleSelect.options) { + if (option.value !== pageScaleValue) { + option.selected = false; + continue; + } + option.selected = true; + predefinedValueFound = true; + } + if (!predefinedValueFound) { + items.customScaleOption.textContent = msg; + items.customScaleOption.selected = true; + } + }); + } + updateLoadingIndicatorState(loading = false) { + const { + pageNumber + } = this.items; + pageNumber.classList.toggle(PAGE_NUMBER_LOADING_INDICATOR, loading); + } + async #adjustScaleWidth() { + const { + items, + l10n + } = this; + const predefinedValuesPromise = Promise.all([l10n.get("page_scale_auto"), l10n.get("page_scale_actual"), l10n.get("page_scale_fit"), l10n.get("page_scale_width")]); + await _ui_utils.animationStarted; + const style = getComputedStyle(items.scaleSelect); + const scaleSelectWidth = parseFloat(style.getPropertyValue("--scale-select-width")); + const canvas = document.createElement("canvas"); + const ctx = canvas.getContext("2d", { + alpha: false + }); + ctx.font = `${style.fontSize} ${style.fontFamily}`; + let maxWidth = 0; + for (const predefinedValue of await predefinedValuesPromise) { + const { + width + } = ctx.measureText(predefinedValue); + if (width > maxWidth) { + maxWidth = width; + } + } + maxWidth += 0.3 * scaleSelectWidth; + if (maxWidth > scaleSelectWidth) { + const container = items.scaleSelect.parentNode; + container.style.setProperty("--scale-select-width", `${maxWidth}px`); + } + canvas.width = 0; + canvas.height = 0; + } +} +exports.Toolbar = Toolbar; + +/***/ }), +/* 41 */ +/***/ ((__unused_webpack_module, exports) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.ViewHistory = void 0; +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; + } +} +exports.ViewHistory = ViewHistory; + +/***/ }), +/* 42 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.BasePreferences = void 0; +var _app_options = __webpack_require__(6); +class BasePreferences { + #defaults = Object.freeze({ + "annotationEditorMode": 0, + "annotationMode": 2, + "cursorToolOnLoad": 0, + "defaultZoomDelay": 400, + "defaultZoomValue": "", + "disablePageLabels": false, + "enableFloatingToolbar": false, + "enablePermissions": false, + "enablePrintAutoRotate": true, + "enableScripting": true, + "externalLinkTarget": 0, + "historyUpdateUrl": false, + "ignoreDestinationZoom": false, + "forcePageColors": false, + "pageColorsBackground": "Canvas", + "pageColorsForeground": "CanvasText", + "pdfBugEnabled": false, + "sidebarViewOnLoad": -1, + "scrollModeOnLoad": -1, + "spreadModeOnLoad": -1, + "textLayerMode": 1, + "useOnlyCssZoom": false, + "viewerCssTheme": 0, + "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(prefs => { + for (const name in this.#defaults) { + const prefValue = prefs?.[name]; + if (typeof prefValue === typeof this.#defaults[name]) { + this.#prefs[name] = prefValue; + } + } + }); + } + async _writeToStorage(prefObj) { + throw new Error("Not implemented: _writeToStorage"); + } + async _readFromStorage(prefObj) { + throw new Error("Not implemented: _readFromStorage"); + } + async reset() { + await this.#initializedPromise; + const prefs = this.#prefs; + this.#prefs = Object.create(null); + return this._writeToStorage(this.#defaults).catch(reason => { + this.#prefs = prefs; + throw reason; + }); + } + async set(name, value) { + await this.#initializedPromise; + const defaultValue = this.#defaults[name], + prefs = this.#prefs; + if (defaultValue === undefined) { + throw new Error(`Set preference: "${name}" is undefined.`); + } else if (value === undefined) { + throw new Error("Set preference: no value is specified."); + } + const valueType = typeof value, + defaultType = typeof defaultValue; + if (valueType !== defaultType) { + if (valueType === "number" && defaultType === "string") { + value = value.toString(); + } else { + throw new Error(`Set preference: "${value}" is a ${valueType}, expected a ${defaultType}.`); + } + } else { + if (valueType === "number" && !Number.isInteger(value)) { + throw new Error(`Set preference: "${value}" must be an integer.`); + } + } + this.#prefs[name] = value; + return this._writeToStorage(this.#prefs).catch(reason => { + this.#prefs = prefs; + throw reason; + }); + } + 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; + } + async getAll() { + await this.#initializedPromise; + const obj = Object.create(null); + for (const name in this.#defaults) { + obj[name] = this.#prefs[name] ?? this.#defaults[name]; + } + return obj; + } +} +exports.BasePreferences = BasePreferences; + +/***/ }), +/* 43 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.FirefoxPrintService = void 0; +var _pdfjsLib = __webpack_require__(5); +var _print_utils = __webpack_require__(44); +var _app = __webpack_require__(3); +function composePage(pdfDocument, pageNumber, size, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { + const canvas = document.createElement("canvas"); + const PRINT_UNITS = printResolution / _pdfjsLib.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: _pdfjsLib.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 _pdfjsLib.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) { + (0, _print_utils.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; + } + } +} +exports.FirefoxPrintService = FirefoxPrintService; +_app.PDFPrintServiceFactory.instance = { + get supportsPrinting() { + const canvas = document.createElement("canvas"); + const value = ("mozPrintCallback" in canvas); + return (0, _pdfjsLib.shadow)(this, "supportsPrinting", value); + }, + createPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise) { + return new FirefoxPrintService(pdfDocument, pagesOverview, printContainer, printResolution, optionalContentConfigPromise, printAnnotationStoragePromise); + } +}; + +/***/ }), +/* 44 */ +/***/ ((__unused_webpack_module, exports, __webpack_require__) => { + + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +exports.getXfaHtmlForPrinting = getXfaHtmlForPrinting; +var _pdfjsLib = __webpack_require__(5); +var _pdf_link_service = __webpack_require__(8); +var _xfa_layer_builder = __webpack_require__(38); +function getXfaHtmlForPrinting(printContainer, pdfDocument) { + const xfaHtml = pdfDocument.allXfaHtml; + const linkService = new _pdf_link_service.SimpleLinkService(); + const scale = Math.round(_pdfjsLib.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 _xfa_layer_builder.XfaLayerBuilder({ + pageDiv: page, + pdfPage: null, + annotationStorage: pdfDocument.annotationStorage, + linkService, + xfaHtml: xfaPage + }); + const viewport = (0, _pdfjsLib.getXfaPageViewport)(xfaPage, { + scale + }); + builder.render(viewport, "print"); + } +} + +/***/ }) +/******/ ]); +/************************************************************************/ +/******/ // The module cache +/******/ var __webpack_module_cache__ = {}; +/******/ +/******/ // The require function +/******/ function __webpack_require__(moduleId) { +/******/ // Check if module is in cache +/******/ var cachedModule = __webpack_module_cache__[moduleId]; +/******/ if (cachedModule !== undefined) { +/******/ return cachedModule.exports; +/******/ } +/******/ // Create a new module (and put it into the cache) +/******/ var module = __webpack_module_cache__[moduleId] = { +/******/ // no module.id needed +/******/ // no module.loaded needed +/******/ exports: {} +/******/ }; +/******/ +/******/ // Execute the module function +/******/ __webpack_modules__[moduleId](module, module.exports, __webpack_require__); +/******/ +/******/ // Return the exports of the module +/******/ return module.exports; +/******/ } +/******/ +/************************************************************************/ +var __webpack_exports__ = {}; +// This entry need to be wrapped in an IIFE because it need to be isolated against other modules in the chunk. +(() => { +var exports = __webpack_exports__; + + +Object.defineProperty(exports, "__esModule", ({ + value: true +})); +Object.defineProperty(exports, "PDFViewerApplication", ({ + enumerable: true, + get: function () { + return _app.PDFViewerApplication; + } +})); +exports.PDFViewerApplicationConstants = void 0; +Object.defineProperty(exports, "PDFViewerApplicationOptions", ({ + enumerable: true, + get: function () { + return _app_options.AppOptions; + } +})); +__webpack_require__(1); +__webpack_require__(43); +var _ui_utils = __webpack_require__(4); +var _app_options = __webpack_require__(6); +var _pdf_link_service = __webpack_require__(8); +var _app = __webpack_require__(3); +const pdfjsVersion = '3.7.96'; +const pdfjsBuild = '23958ffc5'; +const AppConstants = null; +exports.PDFViewerApplicationConstants = AppConstants; +window.PDFViewerApplication = _app.PDFViewerApplication; +window.PDFViewerApplicationConstants = AppConstants; +window.PDFViewerApplicationOptions = _app_options.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"), + openFile: null, + print: document.getElementById("print"), + editorFreeTextButton: document.getElementById("editorFreeText"), + editorFreeTextParamsToolbar: document.getElementById("editorFreeTextParamsToolbar"), + editorInkButton: document.getElementById("editorInk"), + editorInkParamsToolbar: document.getElementById("editorInkParamsToolbar"), + 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"), + outlineOptionsContainer: document.getElementById("outlineOptionsContainer"), + 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") + } + }, + annotationEditorParams: { + editorFreeTextFontSize: document.getElementById("editorFreeTextFontSize"), + editorFreeTextColor: document.getElementById("editorFreeTextColor"), + editorInkColor: document.getElementById("editorInkColor"), + editorInkThickness: document.getElementById("editorInkThickness"), + editorInkOpacity: document.getElementById("editorInkOpacity") + }, + printContainer: document.getElementById("printContainer"), + openFileInput: null, + debuggerScriptPath: "./debugger.js" + }; +} +function webViewerLoad() { + const config = getViewerConfiguration(); + _app.PDFViewerApplication.run(config); +} +document.blockUnblockOnload?.(true); +if (document.readyState === "interactive" || document.readyState === "complete") { + webViewerLoad(); +} else { + document.addEventListener("DOMContentLoaded", webViewerLoad, true); +} +})(); + +/******/ })() +;
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