зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.2 KiB
JavaScript
80 строки
2.2 KiB
JavaScript
/* 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 Cc = Components.classes;
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var Ci = Components.interfaces;
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var Cu = Components.utils;
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this.EXPORTED_SYMBOLS = [ "AboutNewTab" ];
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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Cu.import("resource://gre/modules/Services.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "AutoMigrate",
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"resource:///modules/AutoMigrate.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "NewTabUtils",
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"resource://gre/modules/NewTabUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "RemotePages",
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"resource://gre/modules/RemotePageManager.jsm");
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var AboutNewTab = {
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pageListener: null,
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isOverridden: false,
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init(pageListener) {
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if (this.isOverridden) {
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return;
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}
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this.pageListener = pageListener || new RemotePages(["about:home", "about:newtab"]);
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this.pageListener.addMessageListener("NewTab:Customize", this.customize);
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this.pageListener.addMessageListener("NewTab:MaybeShowMigrateMessage",
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this.maybeShowMigrateMessage);
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},
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maybeShowMigrateMessage({ target }) {
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AutoMigrate.shouldShowMigratePrompt(target.browser).then((prompt) => {
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if (prompt) {
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AutoMigrate.showUndoNotificationBar(target.browser);
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}
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});
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},
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customize(message) {
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NewTabUtils.allPages.enabled = message.data.enabled;
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NewTabUtils.allPages.enhanced = message.data.enhanced;
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},
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uninit() {
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if (this.pageListener) {
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this.pageListener.destroy();
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this.pageListener = null;
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}
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},
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override(shouldPassPageListener) {
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this.isOverridden = true;
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const pageListener = this.pageListener;
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if (!pageListener)
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return null;
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if (shouldPassPageListener) {
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this.pageListener = null;
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pageListener.removeMessageListener("NewTab:Customize", this.customize);
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pageListener.removeMessageListener("NewTab:MaybeShowMigrateMessage",
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this.maybeShowMigrateMessage);
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return pageListener;
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}
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this.uninit();
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return null;
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},
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reset(pageListener) {
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this.isOverridden = false;
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this.init(pageListener);
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}
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};
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