зеркало из https://github.com/mozilla/pjs.git
646 строки
21 KiB
JavaScript
646 строки
21 KiB
JavaScript
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* the Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2009
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Jim Mathies <jmathies@mozilla.com> (Original author)
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* Marco Bonardo <mak77@bonardo.net>
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* Brian R. Bondy <netzen@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/Services.jsm");
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/**
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* Constants
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*/
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const Cc = Components.classes;
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const Ci = Components.interfaces;
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// Stop updating jumplists after some idle time.
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const IDLE_TIMEOUT_SECONDS = 5 * 60;
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// Prefs
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const PREF_TASKBAR_BRANCH = "browser.taskbar.lists.";
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const PREF_TASKBAR_ENABLED = "enabled";
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const PREF_TASKBAR_ITEMCOUNT = "maxListItemCount";
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const PREF_TASKBAR_FREQUENT = "frequent.enabled";
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const PREF_TASKBAR_RECENT = "recent.enabled";
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const PREF_TASKBAR_TASKS = "tasks.enabled";
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const PREF_TASKBAR_REFRESH = "refreshInSeconds";
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// Hash keys for pendingStatements.
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const LIST_TYPE = {
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FREQUENT: 0
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, RECENT: 1
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}
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/**
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* Exports
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*/
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let EXPORTED_SYMBOLS = [
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"WinTaskbarJumpList",
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];
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/**
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* Smart getters
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*/
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XPCOMUtils.defineLazyGetter(this, "_prefs", function() {
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return Services.prefs.getBranch(PREF_TASKBAR_BRANCH)
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.QueryInterface(Ci.nsIPrefBranch2);
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});
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XPCOMUtils.defineLazyGetter(this, "_stringBundle", function() {
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return Services.strings
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.createBundle("chrome://browser/locale/taskbar.properties");
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});
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XPCOMUtils.defineLazyGetter(this, "PlacesUtils", function() {
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Components.utils.import("resource://gre/modules/PlacesUtils.jsm");
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return PlacesUtils;
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});
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XPCOMUtils.defineLazyGetter(this, "NetUtil", function() {
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Components.utils.import("resource://gre/modules/NetUtil.jsm");
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return NetUtil;
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});
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XPCOMUtils.defineLazyServiceGetter(this, "_idle",
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"@mozilla.org/widget/idleservice;1",
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"nsIIdleService");
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XPCOMUtils.defineLazyServiceGetter(this, "_taskbarService",
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"@mozilla.org/windows-taskbar;1",
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"nsIWinTaskbar");
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XPCOMUtils.defineLazyServiceGetter(this, "_winShellService",
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"@mozilla.org/browser/shell-service;1",
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"nsIWindowsShellService");
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XPCOMUtils.defineLazyServiceGetter(this, "_privateBrowsingSvc",
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"@mozilla.org/privatebrowsing;1",
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"nsIPrivateBrowsingService");
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/**
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* Global functions
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*/
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function _getString(name) {
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return _stringBundle.GetStringFromName(name);
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}
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/////////////////////////////////////////////////////////////////////////////
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// Task list configuration data object.
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var tasksCfg = [
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/**
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* Task configuration options: title, description, args, iconIndex, open, close.
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*
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* title - Task title displayed in the list. (strings in the table are temp fillers.)
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* description - Tooltip description on the list item.
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* args - Command line args to invoke the task.
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* iconIndex - Optional win icon index into the main application for the
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* list item.
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* open - Boolean indicates if the command should be visible after the browser opens.
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* close - Boolean indicates if the command should be visible after the browser closes.
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*/
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// Open new window
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{
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get title() _getString("taskbar.tasks.newTab.label"),
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get description() _getString("taskbar.tasks.newTab.description"),
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args: "-new-tab about:blank",
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iconIndex: 0, // Fx app icon
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open: true,
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close: true, // The jump list already has an app launch icon, but
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// we don't always update the list on shutdown.
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// Thus true for consistency.
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},
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// Open new tab
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{
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get title() _getString("taskbar.tasks.newWindow.label"),
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get description() _getString("taskbar.tasks.newWindow.description"),
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args: "-browser",
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iconIndex: 0, // Fx app icon
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open: true,
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close: true, // No point, but we don't always update the list on
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// shutdown. Thus true for consistency.
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},
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// Toggle the Private Browsing mode
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{
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get title() {
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if (_privateBrowsingSvc.privateBrowsingEnabled)
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return _getString("taskbar.tasks.exitPrivacyMode.label");
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else
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return _getString("taskbar.tasks.enterPrivacyMode.label");
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},
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get description() {
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if (_privateBrowsingSvc.privateBrowsingEnabled)
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return _getString("taskbar.tasks.exitPrivacyMode.description");
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else
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return _getString("taskbar.tasks.enterPrivacyMode.description");
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},
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args: "-private-toggle",
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iconIndex: 0, // Fx app icon
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get open() {
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// Don't show when inside permanent private browsing mode
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return !_privateBrowsingSvc.autoStarted;
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},
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get close() {
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// Don't show when inside permanent private browsing mode
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return !_privateBrowsingSvc.autoStarted;
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},
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},
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];
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/////////////////////////////////////////////////////////////////////////////
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// Implementation
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var WinTaskbarJumpList =
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{
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_builder: null,
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_tasks: null,
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_shuttingDown: false,
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/**
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* Startup, shutdown, and update
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*/
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startup: function WTBJL_startup() {
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// exit if this isn't win7 or higher.
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if (!this._initTaskbar())
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return;
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// Win shell shortcut maintenance. If we've gone through an update,
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// this will update any pinned taskbar shortcuts. Not specific to
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// jump lists, but this was a convienent place to call it.
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try {
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// dev builds may not have helper.exe, ignore failures.
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this._shortcutMaintenance();
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} catch (ex) {
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}
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// Store our task list config data
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this._tasks = tasksCfg;
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// retrieve taskbar related prefs.
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this._refreshPrefs();
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// observer for private browsing and our prefs branch
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this._initObs();
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// jump list refresh timer
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this._updateTimer();
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},
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update: function WTBJL_update() {
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// are we disabled via prefs? don't do anything!
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if (!this._enabled)
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return;
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// do what we came here to do, update the taskbar jumplist
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this._buildList();
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},
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_shutdown: function WTBJL__shutdown() {
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this._shuttingDown = true;
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// Correctly handle a clear history on shutdown. If there are no
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// entries be sure to empty all history lists. Luckily Places caches
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// this value, so it's a pretty fast call.
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if (!PlacesUtils.history.hasHistoryEntries) {
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this.update();
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}
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this._free();
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},
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_shortcutMaintenance: function WTBJL__maintenace() {
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_winShellService.shortcutMaintenance();
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},
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/**
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* List building
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*
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* @note Async builders must add their mozIStoragePendingStatement to
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* _pendingStatements object, using a different LIST_TYPE entry for
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* each statement. Once finished they must remove it and call
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* commitBuild(). When there will be no more _pendingStatements,
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* commitBuild() will commit for real.
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*/
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_pendingStatements: {},
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_hasPendingStatements: function WTBJL__hasPendingStatements() {
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return Object.keys(this._pendingStatements).length > 0;
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},
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_buildList: function WTBJL__buildList() {
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if (this._hasPendingStatements()) {
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// We were requested to update the list while another update was in
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// progress, this could happen at shutdown, idle or privatebrowsing.
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// Abort the current list building.
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for (let listType in this._pendingStatements) {
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this._pendingStatements[listType].cancel();
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delete this._pendingStatements[listType];
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}
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this._builder.abortListBuild();
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}
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// anything to build?
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if (!this._showFrequent && !this._showRecent && !this._showTasks) {
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// don't leave the last list hanging on the taskbar.
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this._deleteActiveJumpList();
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return;
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}
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if (!this._startBuild())
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return;
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if (this._showTasks)
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this._buildTasks();
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// Space for frequent items takes priority over recent.
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if (this._showFrequent)
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this._buildFrequent();
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if (this._showRecent)
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this._buildRecent();
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this._commitBuild();
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},
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/**
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* Taskbar api wrappers
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*/
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_startBuild: function WTBJL__startBuild() {
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var removedItems = Cc["@mozilla.org/array;1"].
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createInstance(Ci.nsIMutableArray);
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this._builder.abortListBuild();
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if (this._builder.initListBuild(removedItems)) {
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// Prior to building, delete removed items from history.
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this._clearHistory(removedItems);
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return true;
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}
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return false;
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},
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_commitBuild: function WTBJL__commitBuild() {
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if (!this._hasPendingStatements() && !this._builder.commitListBuild()) {
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this._builder.abortListBuild();
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}
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},
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_buildTasks: function WTBJL__buildTasks() {
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var items = Cc["@mozilla.org/array;1"].
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createInstance(Ci.nsIMutableArray);
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this._tasks.forEach(function (task) {
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if ((this._shuttingDown && !task.close) || (!this._shuttingDown && !task.open))
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return;
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var item = this._getHandlerAppItem(task.title, task.description,
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task.args, task.iconIndex, null);
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items.appendElement(item, false);
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}, this);
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if (items.length > 0)
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this._builder.addListToBuild(this._builder.JUMPLIST_CATEGORY_TASKS, items);
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},
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_buildCustom: function WTBJL__buildCustom(title, items) {
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if (items.length > 0)
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this._builder.addListToBuild(this._builder.JUMPLIST_CATEGORY_CUSTOMLIST, items, title);
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},
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_buildFrequent: function WTBJL__buildFrequent() {
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// If history is empty, just bail out.
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if (!PlacesUtils.history.hasHistoryEntries) {
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return;
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}
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// Windows supports default frequent and recent lists,
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// but those depend on internal windows visit tracking
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// which we don't populate. So we build our own custom
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// frequent and recent lists using our nav history data.
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var items = Cc["@mozilla.org/array;1"].
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createInstance(Ci.nsIMutableArray);
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// track frequent items so that we don't add them to
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// the recent list.
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this._frequentHashList = [];
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this._pendingStatements[LIST_TYPE.FREQUENT] = this._getHistoryResults(
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Ci.nsINavHistoryQueryOptions.SORT_BY_VISITCOUNT_DESCENDING,
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this._maxItemCount,
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function (aResult) {
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if (!aResult) {
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delete this._pendingStatements[LIST_TYPE.FREQUENT];
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// The are no more results, build the list.
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this._buildCustom(_getString("taskbar.frequent.label"), items);
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this._commitBuild();
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return;
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}
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let title = aResult.title || aResult.uri;
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let faviconPageUri = Services.io.newURI(aResult.uri, null, null);
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let shortcut = this._getHandlerAppItem(title, title, aResult.uri, 1,
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faviconPageUri);
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items.appendElement(shortcut, false);
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this._frequentHashList.push(aResult.uri);
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},
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this
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);
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},
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_buildRecent: function WTBJL__buildRecent() {
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// If history is empty, just bail out.
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if (!PlacesUtils.history.hasHistoryEntries) {
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return;
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}
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var items = Cc["@mozilla.org/array;1"].
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createInstance(Ci.nsIMutableArray);
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// Frequent items will be skipped, so we select a double amount of
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// entries and stop fetching results at _maxItemCount.
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var count = 0;
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this._pendingStatements[LIST_TYPE.RECENT] = this._getHistoryResults(
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Ci.nsINavHistoryQueryOptions.SORT_BY_DATE_DESCENDING,
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this._maxItemCount * 2,
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function (aResult) {
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if (!aResult) {
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// The are no more results, build the list.
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this._buildCustom(_getString("taskbar.recent.label"), items);
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delete this._pendingStatements[LIST_TYPE.RECENT];
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this._commitBuild();
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return;
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}
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if (count >= this._maxItemCount) {
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return;
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}
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// Do not add items to recent that have already been added to frequent.
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if (this._frequentHashList &&
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this._frequentHashList.indexOf(aResult.uri) != -1) {
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return;
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}
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let title = aResult.title || aResult.uri;
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let faviconPageUri = Services.io.newURI(aResult.uri, null, null);
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let shortcut = this._getHandlerAppItem(title, title, aResult.uri, 1,
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faviconPageUri);
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items.appendElement(shortcut, false);
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count++;
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},
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this
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);
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},
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_deleteActiveJumpList: function WTBJL__deleteAJL() {
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this._builder.deleteActiveList();
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},
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/**
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* Jump list item creation helpers
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*/
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_getHandlerAppItem: function WTBJL__getHandlerAppItem(name, description,
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args, iconIndex,
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faviconPageUri) {
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var file = Services.dirsvc.get("XCurProcD", Ci.nsILocalFile);
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// XXX where can we grab this from in the build? Do we need to?
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file.append("firefox.exe");
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var handlerApp = Cc["@mozilla.org/uriloader/local-handler-app;1"].
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createInstance(Ci.nsILocalHandlerApp);
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handlerApp.executable = file;
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// handlers default to the leaf name if a name is not specified
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if (name && name.length != 0)
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handlerApp.name = name;
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handlerApp.detailedDescription = description;
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handlerApp.appendParameter(args);
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var item = Cc["@mozilla.org/windows-jumplistshortcut;1"].
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createInstance(Ci.nsIJumpListShortcut);
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item.app = handlerApp;
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item.iconIndex = iconIndex;
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item.faviconPageUri = faviconPageUri;
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return item;
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},
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_getSeparatorItem: function WTBJL__getSeparatorItem() {
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var item = Cc["@mozilla.org/windows-jumplistseparator;1"].
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createInstance(Ci.nsIJumpListSeparator);
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return item;
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},
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/**
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* Nav history helpers
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*/
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_getHistoryResults:
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function WTBLJL__getHistoryResults(aSortingMode, aLimit, aCallback, aScope) {
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var options = PlacesUtils.history.getNewQueryOptions();
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options.maxResults = aLimit;
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options.sortingMode = aSortingMode;
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// We don't want source redirects for these queries.
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options.redirectsMode = Ci.nsINavHistoryQueryOptions.REDIRECTS_MODE_TARGET;
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var query = PlacesUtils.history.getNewQuery();
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// Return the pending statement to the caller, to allow cancelation.
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return PlacesUtils.history.QueryInterface(Ci.nsPIPlacesDatabase)
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.asyncExecuteLegacyQueries([query], 1, options, {
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handleResult: function (aResultSet) {
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for (let row; (row = aResultSet.getNextRow());) {
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try {
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aCallback.call(aScope,
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{ uri: row.getResultByIndex(1)
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, title: row.getResultByIndex(2)
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});
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} catch (e) {}
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}
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},
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handleError: function (aError) {
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Components.utils.reportError(
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"Async execution error (" + aError.result + "): " + aError.message);
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},
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handleCompletion: function (aReason) {
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aCallback.call(WinTaskbarJumpList, null);
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},
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});
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},
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_clearHistory: function WTBJL__clearHistory(items) {
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if (!items)
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return;
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var URIsToRemove = [];
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var e = items.enumerate();
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while (e.hasMoreElements()) {
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let oldItem = e.getNext().QueryInterface(Ci.nsIJumpListShortcut);
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if (oldItem) {
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try { // in case we get a bad uri
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let uriSpec = oldItem.app.getParameter(0);
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URIsToRemove.push(NetUtil.newURI(uriSpec));
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} catch (err) { }
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}
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}
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if (URIsToRemove.length > 0) {
|
|
PlacesUtils.bhistory.removePages(URIsToRemove, URIsToRemove.length, true);
|
|
}
|
|
},
|
|
|
|
/**
|
|
* Prefs utilities
|
|
*/
|
|
|
|
_refreshPrefs: function WTBJL__refreshPrefs() {
|
|
this._enabled = _prefs.getBoolPref(PREF_TASKBAR_ENABLED);
|
|
this._showFrequent = _prefs.getBoolPref(PREF_TASKBAR_FREQUENT);
|
|
this._showRecent = _prefs.getBoolPref(PREF_TASKBAR_RECENT);
|
|
this._showTasks = _prefs.getBoolPref(PREF_TASKBAR_TASKS);
|
|
this._maxItemCount = _prefs.getIntPref(PREF_TASKBAR_ITEMCOUNT);
|
|
},
|
|
|
|
/**
|
|
* Init and shutdown utilities
|
|
*/
|
|
|
|
_initTaskbar: function WTBJL__initTaskbar() {
|
|
this._builder = _taskbarService.createJumpListBuilder();
|
|
if (!this._builder || !this._builder.available)
|
|
return false;
|
|
|
|
return true;
|
|
},
|
|
|
|
_initObs: function WTBJL__initObs() {
|
|
Services.obs.addObserver(this, "private-browsing", false);
|
|
// If the browser is closed while in private browsing mode, the "exit"
|
|
// notification is fired on quit-application-granted.
|
|
// History cleanup can happen at profile-change-teardown.
|
|
Services.obs.addObserver(this, "profile-before-change", false);
|
|
Services.obs.addObserver(this, "browser:purge-session-history", false);
|
|
_prefs.addObserver("", this, false);
|
|
},
|
|
|
|
_freeObs: function WTBJL__freeObs() {
|
|
Services.obs.removeObserver(this, "private-browsing");
|
|
Services.obs.removeObserver(this, "profile-before-change");
|
|
Services.obs.removeObserver(this, "browser:purge-session-history");
|
|
_prefs.removeObserver("", this);
|
|
},
|
|
|
|
_updateTimer: function WTBJL__updateTimer() {
|
|
if (this._enabled && !this._shuttingDown && !this._timer) {
|
|
this._timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
|
|
this._timer.initWithCallback(this,
|
|
_prefs.getIntPref(PREF_TASKBAR_REFRESH)*1000,
|
|
this._timer.TYPE_REPEATING_SLACK);
|
|
}
|
|
else if ((!this._enabled || this._shuttingDown) && this._timer) {
|
|
this._timer.cancel();
|
|
delete this._timer;
|
|
}
|
|
},
|
|
|
|
_hasIdleObserver: false,
|
|
_updateIdleObserver: function WTBJL__updateIdleObserver() {
|
|
if (this._enabled && !this._shuttingDown && !this._hasIdleObserver) {
|
|
_idle.addIdleObserver(this, IDLE_TIMEOUT_SECONDS);
|
|
this._hasIdleObserver = true;
|
|
}
|
|
else if ((!this._enabled || this._shuttingDown) && this._hasIdleObserver) {
|
|
_idle.removeIdleObserver(this, IDLE_TIMEOUT_SECONDS);
|
|
this._hasIdleObserver = false;
|
|
}
|
|
},
|
|
|
|
_free: function WTBJL__free() {
|
|
this._freeObs();
|
|
this._updateTimer();
|
|
this._updateIdleObserver();
|
|
delete this._builder;
|
|
},
|
|
|
|
/**
|
|
* Notification handlers
|
|
*/
|
|
|
|
notify: function WTBJL_notify(aTimer) {
|
|
// Add idle observer on the first notification so it doesn't hit startup.
|
|
this._updateIdleObserver();
|
|
this.update();
|
|
},
|
|
|
|
observe: function WTBJL_observe(aSubject, aTopic, aData) {
|
|
switch (aTopic) {
|
|
case "nsPref:changed":
|
|
if (this._enabled == true && !_prefs.getBoolPref(PREF_TASKBAR_ENABLED))
|
|
this._deleteActiveJumpList();
|
|
this._refreshPrefs();
|
|
this._updateTimer();
|
|
this._updateIdleObserver();
|
|
this.update();
|
|
break;
|
|
|
|
case "profile-before-change":
|
|
this._shutdown();
|
|
break;
|
|
|
|
case "browser:purge-session-history":
|
|
this.update();
|
|
break;
|
|
|
|
case "private-browsing":
|
|
this.update();
|
|
break;
|
|
|
|
case "idle":
|
|
if (this._timer) {
|
|
this._timer.cancel();
|
|
delete this._timer;
|
|
}
|
|
break;
|
|
|
|
case "back":
|
|
this._updateTimer();
|
|
break;
|
|
}
|
|
},
|
|
};
|