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d3a1b5aeaa
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D36050 --HG-- extra : source : 2540803fff7587f65dd5d6253b6fb544647e5e20
82 lines
2.5 KiB
JavaScript
82 lines
2.5 KiB
JavaScript
/* vim: set ts=2 sw=2 sts=2 et tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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var EXPORTED_SYMBOLS = ["ThumbnailsChild"];
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const { ActorChild } = ChromeUtils.import(
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"resource://gre/modules/ActorChild.jsm"
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);
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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ChromeUtils.defineModuleGetter(
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this,
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"PageThumbUtils",
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"resource://gre/modules/PageThumbUtils.jsm"
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);
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class ThumbnailsChild extends ActorChild {
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receiveMessage(message) {
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if (message.name == "Browser:Thumbnail:Request") {
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/**
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* Remote thumbnail request handler for PageThumbs thumbnails.
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*/
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let snapshot;
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let args = message.data.additionalArgs;
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let fullScale = args ? args.fullScale : false;
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if (fullScale) {
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snapshot = PageThumbUtils.createSnapshotThumbnail(
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this.content,
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null,
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args
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);
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} else {
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let snapshotWidth = message.data.canvasWidth;
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let snapshotHeight = message.data.canvasHeight;
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snapshot = PageThumbUtils.createCanvas(
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this.content,
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snapshotWidth,
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snapshotHeight
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);
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PageThumbUtils.createSnapshotThumbnail(this.content, snapshot, args);
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}
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snapshot.toBlob(aBlob => {
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this.mm.sendAsyncMessage("Browser:Thumbnail:Response", {
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thumbnail: aBlob,
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id: message.data.id,
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});
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});
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} else if (message.name == "Browser:Thumbnail:CheckState") {
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/**
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* Remote isSafeForCapture request handler for PageThumbs.
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*/
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Services.tm.idleDispatchToMainThread(() => {
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let result = PageThumbUtils.shouldStoreContentThumbnail(
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this.content,
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this.mm.docShell
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);
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this.mm.sendAsyncMessage("Browser:Thumbnail:CheckState:Response", {
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result,
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});
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});
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} else if (message.name == "Browser:Thumbnail:GetOriginalURL") {
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/**
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* Remote GetOriginalURL request handler for PageThumbs.
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*/
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let channel = this.mm.docShell.currentDocumentChannel;
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let channelError = PageThumbUtils.isChannelErrorResponse(channel);
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let originalURL;
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try {
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originalURL = channel.originalURI.spec;
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} catch (ex) {}
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this.mm.sendAsyncMessage("Browser:Thumbnail:GetOriginalURL:Response", {
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channelError,
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originalURL,
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});
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}
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}
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}
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