mirror of
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194 lines
6.3 KiB
JavaScript
194 lines
6.3 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 = [ "AboutHomeUtils", "AboutHome" ];
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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, "AppConstants",
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"resource://gre/modules/AppConstants.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "AutoMigrate",
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"resource:///modules/AutoMigrate.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "fxAccounts",
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"resource://gre/modules/FxAccounts.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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"resource://gre/modules/PrivateBrowsingUtils.jsm");
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// Url to fetch snippets, in the urlFormatter service format.
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const SNIPPETS_URL_PREF = "browser.aboutHomeSnippets.updateUrl";
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// Should be bumped up if the snippets content format changes.
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const STARTPAGE_VERSION = 4;
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this.AboutHomeUtils = {
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get snippetsVersion() {
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return STARTPAGE_VERSION;
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},
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/*
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* showKnowYourRights - Determines if the user should be shown the
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* about:rights notification. The notification should *not* be shown if
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* we've already shown the current version, or if the override pref says to
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* never show it. The notification *should* be shown if it's never been seen
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* before, if a newer version is available, or if the override pref says to
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* always show it.
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*/
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get showKnowYourRights() {
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// Look for an unconditional override pref. If set, do what it says.
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// (true --> never show, false --> always show)
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try {
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return !Services.prefs.getBoolPref("browser.rights.override");
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} catch (e) { }
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// Ditto, for the legacy EULA pref.
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try {
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return !Services.prefs.getBoolPref("browser.EULA.override");
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} catch (e) { }
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if (!AppConstants.MOZILLA_OFFICIAL) {
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// Non-official builds shouldn't show the notification.
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return false;
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}
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// Look to see if the user has seen the current version or not.
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var currentVersion = Services.prefs.getIntPref("browser.rights.version");
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try {
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return !Services.prefs.getBoolPref("browser.rights." + currentVersion + ".shown");
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} catch (e) { }
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// Legacy: If the user accepted a EULA, we won't annoy them with the
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// equivalent about:rights page until the version changes.
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try {
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return !Services.prefs.getBoolPref("browser.EULA." + currentVersion + ".accepted");
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} catch (e) { }
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// We haven't shown the notification before, so do so now.
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return true;
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}
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};
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/**
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* Returns the URL to fetch snippets from, in the urlFormatter service format.
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*/
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XPCOMUtils.defineLazyGetter(AboutHomeUtils, "snippetsURL", function() {
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let updateURL = Services.prefs
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.getCharPref(SNIPPETS_URL_PREF)
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.replace("%STARTPAGE_VERSION%", STARTPAGE_VERSION);
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return Services.urlFormatter.formatURL(updateURL);
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});
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/**
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* This code provides services to the about:home page. Whenever
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* about:home needs to do something chrome-privileged, it sends a
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* message that's handled here.
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*/
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var AboutHome = {
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MESSAGES: [
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"AboutHome:RestorePreviousSession",
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"AboutHome:Downloads",
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"AboutHome:Bookmarks",
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"AboutHome:History",
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"AboutHome:Addons",
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"AboutHome:Sync",
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"AboutHome:Settings",
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],
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init() {
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for (let msg of this.MESSAGES) {
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Services.mm.addMessageListener(msg, this);
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}
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},
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// Additional listeners are registered in nsBrowserGlue.js
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receiveMessage(aMessage) {
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let window = aMessage.target.ownerGlobal;
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switch (aMessage.name) {
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case "AboutHome:RestorePreviousSession":
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let ss = Cc["@mozilla.org/browser/sessionstore;1"].
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getService(Ci.nsISessionStore);
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if (ss.canRestoreLastSession) {
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ss.restoreLastSession();
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}
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break;
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case "AboutHome:Downloads":
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window.BrowserDownloadsUI();
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break;
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case "AboutHome:Bookmarks":
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window.PlacesCommandHook.showPlacesOrganizer("UnfiledBookmarks");
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break;
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case "AboutHome:History":
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window.PlacesCommandHook.showPlacesOrganizer("History");
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break;
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case "AboutHome:Addons":
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window.BrowserOpenAddonsMgr();
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break;
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case "AboutHome:Sync":
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window.openPreferences("paneSync", { urlParams: { entrypoint: "abouthome" }, origin: "aboutHome" });
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break;
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case "AboutHome:Settings":
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window.openPreferences(undefined, {origin: "aboutHome"} );
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break;
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case "AboutHome:RequestUpdate":
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this.sendAboutHomeData(aMessage.target);
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break;
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case "AboutHome:MaybeShowMigrateMessage":
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AutoMigrate.shouldShowMigratePrompt(aMessage.target).then((prompt) => {
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if (prompt) {
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AutoMigrate.showUndoNotificationBar(aMessage.target);
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}
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});
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break;
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}
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},
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// Send all the chrome-privileged data needed by about:home. This
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// gets re-sent when the search engine changes.
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sendAboutHomeData(target) {
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let wrapper = {};
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Components.utils.import("resource:///modules/sessionstore/SessionStore.jsm",
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wrapper);
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let ss = wrapper.SessionStore;
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ss.promiseInitialized.then(function() {
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let data = {
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showRestoreLastSession: ss.canRestoreLastSession,
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snippetsURL: AboutHomeUtils.snippetsURL,
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showKnowYourRights: AboutHomeUtils.showKnowYourRights,
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snippetsVersion: AboutHomeUtils.snippetsVersion,
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};
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if (AboutHomeUtils.showKnowYourRights) {
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// Set pref to indicate we've shown the notification.
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let currentVersion = Services.prefs.getIntPref("browser.rights.version");
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Services.prefs.setBoolPref("browser.rights." + currentVersion + ".shown", true);
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}
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if (target && target.messageManager) {
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target.messageManager.sendAsyncMessage("AboutHome:Update", data);
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} else {
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let mm = Cc["@mozilla.org/globalmessagemanager;1"].getService(Ci.nsIMessageListenerManager);
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mm.broadcastAsyncMessage("AboutHome:Update", data);
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}
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}).catch(function onError(x) {
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Cu.reportError("Error in AboutHome.sendAboutHomeData: " + x);
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});
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},
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};
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