gecko-dev/toolkit/actors/ThumbnailsChild.jsm
Victor Porof d3a1b5aeaa Bug 1561435 - Format toolkit/actors, a=automatic-formatting
# ignore-this-changeset

Differential Revision: https://phabricator.services.mozilla.com/D36050

--HG--
extra : source : 2540803fff7587f65dd5d6253b6fb544647e5e20
2019-07-05 11:04:56 +02:00

82 lines
2.5 KiB
JavaScript

/* vim: set ts=2 sw=2 sts=2 et tw=80: */
/* 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/. */
"use strict";
var EXPORTED_SYMBOLS = ["ThumbnailsChild"];
const { ActorChild } = ChromeUtils.import(
"resource://gre/modules/ActorChild.jsm"
);
const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
ChromeUtils.defineModuleGetter(
this,
"PageThumbUtils",
"resource://gre/modules/PageThumbUtils.jsm"
);
class ThumbnailsChild extends ActorChild {
receiveMessage(message) {
if (message.name == "Browser:Thumbnail:Request") {
/**
* Remote thumbnail request handler for PageThumbs thumbnails.
*/
let snapshot;
let args = message.data.additionalArgs;
let fullScale = args ? args.fullScale : false;
if (fullScale) {
snapshot = PageThumbUtils.createSnapshotThumbnail(
this.content,
null,
args
);
} else {
let snapshotWidth = message.data.canvasWidth;
let snapshotHeight = message.data.canvasHeight;
snapshot = PageThumbUtils.createCanvas(
this.content,
snapshotWidth,
snapshotHeight
);
PageThumbUtils.createSnapshotThumbnail(this.content, snapshot, args);
}
snapshot.toBlob(aBlob => {
this.mm.sendAsyncMessage("Browser:Thumbnail:Response", {
thumbnail: aBlob,
id: message.data.id,
});
});
} else if (message.name == "Browser:Thumbnail:CheckState") {
/**
* Remote isSafeForCapture request handler for PageThumbs.
*/
Services.tm.idleDispatchToMainThread(() => {
let result = PageThumbUtils.shouldStoreContentThumbnail(
this.content,
this.mm.docShell
);
this.mm.sendAsyncMessage("Browser:Thumbnail:CheckState:Response", {
result,
});
});
} else if (message.name == "Browser:Thumbnail:GetOriginalURL") {
/**
* Remote GetOriginalURL request handler for PageThumbs.
*/
let channel = this.mm.docShell.currentDocumentChannel;
let channelError = PageThumbUtils.isChannelErrorResponse(channel);
let originalURL;
try {
originalURL = channel.originalURI.spec;
} catch (ex) {}
this.mm.sendAsyncMessage("Browser:Thumbnail:GetOriginalURL:Response", {
channelError,
originalURL,
});
}
}
}