forked from mirrors/gecko-dev
104 lines
4 KiB
JavaScript
104 lines
4 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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import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
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import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
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import { PrivateBrowsingUtils } from "resource://gre/modules/PrivateBrowsingUtils.sys.mjs";
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import { RemotePageChild } from "resource://gre/actors/RemotePageChild.sys.mjs";
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const lazy = {};
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ChromeUtils.defineESModuleGetters(lazy, {
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NimbusFeatures: "resource://nimbus/ExperimentAPI.sys.mjs",
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});
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XPCOMUtils.defineLazyPreferenceGetter(
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lazy,
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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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let gNextPortID = 0;
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export class AboutNewTabChild extends RemotePageChild {
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handleEvent(event) {
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if (event.type == "DOMDocElementInserted") {
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let portID = Services.appinfo.processID + ":" + ++gNextPortID;
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this.sendAsyncMessage("Init", {
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portID,
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url: this.contentWindow.document.documentURI.replace(/[\#|\?].*$/, ""),
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});
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} else if (event.type == "load") {
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this.sendAsyncMessage("Load");
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} else if (event.type == "DOMContentLoaded") {
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if (!this.contentWindow.document.body.firstElementChild) {
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return; // about:newtab is a blank page
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}
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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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(lazy.NimbusFeatures.aboutwelcome.getVariable("enabled") ?? true) &&
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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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const debug = !AppConstants.RELEASE_OR_BETA && lazy.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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} else if (event.type == "unload") {
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try {
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this.sendAsyncMessage("Unload");
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} catch (e) {
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// If the tab has been closed the frame message manager has already been
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// destroyed
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}
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} else if (
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(event.type == "pageshow" || event.type == "visibilitychange") &&
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// The default browser notification shouldn't be shown on about:welcome
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// since we don't want to distract from the onboarding wizard.
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!this.contentWindow.location.pathname.includes("welcome")
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) {
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// Don't show the notification in non-permanent private windows
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// since it is expected to have very little opt-in here.
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let contentWindowPrivate = PrivateBrowsingUtils.isContentWindowPrivate(
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this.contentWindow
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);
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if (
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this.document.visibilityState == "visible" &&
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(!contentWindowPrivate ||
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(contentWindowPrivate &&
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PrivateBrowsingUtils.permanentPrivateBrowsing))
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) {
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this.sendAsyncMessage("AboutNewTabVisible");
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// Note: newtab feature info is currently being loaded in PrefsFeed.jsm,
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// But we're recording exposure events here.
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lazy.NimbusFeatures.newtab.recordExposureEvent({ once: true });
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}
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}
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}
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}
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