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ebf7dd1da8
This shifts the responsibility for ensuring that an about:home, about:welcome or about:newtab page is where we inject the scripts to the JSWindowActor system, rather than using the observer service on document creation and checking the URL. Differential Revision: https://phabricator.services.mozilla.com/D71773
78 lines
2.8 KiB
JavaScript
78 lines
2.8 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 = ["AboutNewTabChild"];
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const { Services } = ChromeUtils.import("resource://gre/modules/Services.jsm");
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const { XPCOMUtils } = ChromeUtils.import(
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"resource://gre/modules/XPCOMUtils.jsm"
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);
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const { AppConstants } = ChromeUtils.import(
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"resource://gre/modules/AppConstants.jsm"
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);
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XPCOMUtils.defineLazyPreferenceGetter(
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this,
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"ACTIVITY_STREAM_DEBUG",
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"browser.newtabpage.activity-stream.debug",
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false
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);
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XPCOMUtils.defineLazyPreferenceGetter(
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this,
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"SEPARATE_ABOUT_WELCOME",
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"browser.aboutwelcome.enabled",
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false
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);
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class AboutNewTabChild extends JSWindowActorChild {
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handleEvent(event) {
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if (event.type == "DOMContentLoaded") {
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// If the separate about:welcome page is enabled, we can skip all of this,
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// since that mode doesn't load any of the Activity Stream bits.
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if (
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SEPARATE_ABOUT_WELCOME &&
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this.contentWindow.location.pathname.includes("welcome")
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) {
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return;
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}
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// In the event that the document that was loaded here was the cached
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// about:home document, then there's nothing further to do - the page
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// will load its scripts itself.
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//
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// Note that it's okay to waive the xray wrappers here since this actor
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// is registered to only run in the privileged about content process from
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// about:home, about:newtab and about:welcome.
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if (ChromeUtils.waiveXrays(this.contentWindow).__FROM_STARTUP_CACHE__) {
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return;
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}
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const debug = !AppConstants.RELEASE_OR_BETA && ACTIVITY_STREAM_DEBUG;
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const debugString = debug ? "-dev" : "";
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// This list must match any similar ones in render-activity-stream-html.js.
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const scripts = [
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"chrome://browser/content/contentSearchUI.js",
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"chrome://browser/content/contentSearchHandoffUI.js",
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"chrome://browser/content/contentTheme.js",
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`resource://activity-stream/vendor/react${debugString}.js`,
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`resource://activity-stream/vendor/react-dom${debugString}.js`,
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"resource://activity-stream/vendor/prop-types.js",
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"resource://activity-stream/vendor/react-transition-group.js",
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"resource://activity-stream/vendor/redux.js",
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"resource://activity-stream/vendor/react-redux.js",
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"resource://activity-stream/data/content/activity-stream.bundle.js",
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"resource://activity-stream/data/content/newtab-render.js",
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];
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for (let script of scripts) {
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Services.scriptloader.loadSubScript(script, this.contentWindow);
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}
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}
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}
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}
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