gecko-dev/browser/actors/AboutNewTabChild.jsm

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