From 9e3c08db40b8916968b9f30096c7be3f00ce9647 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 21 Apr 2024 13:44:51 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- .../extensions/screenshots/background/takeshot.js | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 browser/extensions/screenshots/background/takeshot.js (limited to 'browser/extensions/screenshots/background/takeshot.js') diff --git a/browser/extensions/screenshots/background/takeshot.js b/browser/extensions/screenshots/background/takeshot.js new file mode 100644 index 0000000000..c8e229247b --- /dev/null +++ b/browser/extensions/screenshots/background/takeshot.js @@ -0,0 +1,85 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this file, + * You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* globals browser, communication, getZoomFactor, shot, main, catcher, analytics, blobConverters, thumbnailGenerator */ + +"use strict"; + +this.takeshot = (function () { + const exports = {}; + const MAX_CANVAS_DIMENSION = 32767; + + communication.register( + "screenshotPage", + (sender, selectedPos, screenshotType, devicePixelRatio) => { + return screenshotPage(selectedPos, screenshotType, devicePixelRatio); + } + ); + + communication.register("getZoomFactor", sender => { + return getZoomFactor(); + }); + + function screenshotPage(pos, screenshotType, devicePixelRatio) { + pos.width = Math.min(pos.right - pos.left, MAX_CANVAS_DIMENSION); + pos.height = Math.min(pos.bottom - pos.top, MAX_CANVAS_DIMENSION); + + // If we are printing the full page or a truncated full page, + // we must pass in this rectangle to preview the entire image + let options = { format: "png" }; + if ( + screenshotType === "fullPage" || + screenshotType === "fullPageTruncated" + ) { + let rectangle = { + x: 0, + y: 0, + width: pos.width, + height: pos.height, + }; + options.rect = rectangle; + options.resetScrollPosition = true; + } else if (screenshotType != "visible") { + let rectangle = { + x: pos.left, + y: pos.top, + width: pos.width, + height: pos.height, + }; + options.rect = rectangle; + } + + return catcher.watchPromise( + browser.tabs.captureTab(null, options).then(dataUrl => { + const image = new Image(); + image.src = dataUrl; + return new Promise((resolve, reject) => { + image.onload = catcher.watchFunction(() => { + const xScale = devicePixelRatio; + const yScale = devicePixelRatio; + const canvas = document.createElement("canvas"); + canvas.height = pos.height * yScale; + canvas.width = pos.width * xScale; + const context = canvas.getContext("2d"); + context.drawImage( + image, + 0, + 0, + pos.width * xScale, + pos.height * yScale, + 0, + 0, + pos.width * xScale, + pos.height * yScale + ); + const result = canvas.toDataURL(); + resolve(result); + }); + }); + }) + ); + } + + return exports; +})(); -- cgit v1.2.3