mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
4d6a633bba
The -*- file variable lines -*- establish per-file settings that Emacs will pick up. This patch makes the following changes to those lines (and touches nothing else): - Never set the buffer's mode. Years ago, Emacs did not have a good JavaScript mode, so it made sense to use Java or C++ mode in .js files. However, Emacs has had js-mode for years now; it's perfectly serviceable, and is available and enabled by default in all major Emacs packagings. Selecting a mode in the -*- file variable line -*- is almost always the wrong thing to do anyway. It overrides Emacs's default choice, which is (now) reasonable; and even worse, it overrides settings the user might have made in their '.emacs' file for that file extension. It's only useful when there's something specific about that particular file that makes a particular mode appropriate. - Correctly propagate settings that establish the correct indentation level for this file: c-basic-offset and js2-basic-offset should be js-indent-level. Whatever value they're given should be preserved; different parts of our tree use different indentation styles. - We don't use tabs in Mozilla JS code. Always set indent-tabs-mode: nil. Remove tab-width: settings, at least in files that don't contain tab characters. - Remove js2-mode settings that belong in the user's .emacs file, like js2-skip-preprocessor-directives.
582 lines
18 KiB
JavaScript
582 lines
18 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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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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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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this.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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});
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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.defineLazyModuleGetter(this, "PrivateBrowsingUtils",
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"resource://gre/modules/PrivateBrowsingUtils.jsm");
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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 tab
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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: 3, // New window 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 window
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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: 2, // New tab 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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// Open new private window
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{
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get title() _getString("taskbar.tasks.newPrivateWindow.label"),
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get description() _getString("taskbar.tasks.newPrivateWindow.description"),
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args: "-private-window",
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iconIndex: 4, // Private browsing mode 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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];
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/////////////////////////////////////////////////////////////////////////////
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// Implementation
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this.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("XREExeF", Ci.nsILocalFile);
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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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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) {
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PlacesUtils.bhistory.removePages(URIsToRemove, URIsToRemove.length, true);
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}
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},
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/**
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* Prefs utilities
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*/
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_refreshPrefs: function WTBJL__refreshPrefs() {
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this._enabled = _prefs.getBoolPref(PREF_TASKBAR_ENABLED);
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this._showFrequent = _prefs.getBoolPref(PREF_TASKBAR_FREQUENT);
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this._showRecent = _prefs.getBoolPref(PREF_TASKBAR_RECENT);
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this._showTasks = _prefs.getBoolPref(PREF_TASKBAR_TASKS);
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this._maxItemCount = _prefs.getIntPref(PREF_TASKBAR_ITEMCOUNT);
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},
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/**
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* Init and shutdown utilities
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*/
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_initTaskbar: function WTBJL__initTaskbar() {
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this._builder = _taskbarService.createJumpListBuilder();
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if (!this._builder || !this._builder.available)
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return false;
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return true;
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},
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_initObs: function WTBJL__initObs() {
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// If the browser is closed while in private browsing mode, the "exit"
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// notification is fired on quit-application-granted.
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// History cleanup can happen at profile-change-teardown.
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Services.obs.addObserver(this, "profile-before-change", false);
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Services.obs.addObserver(this, "browser:purge-session-history", false);
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_prefs.addObserver("", this, false);
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},
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_freeObs: function WTBJL__freeObs() {
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Services.obs.removeObserver(this, "profile-before-change");
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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 "idle":
|
|
if (this._timer) {
|
|
this._timer.cancel();
|
|
delete this._timer;
|
|
}
|
|
break;
|
|
|
|
case "active":
|
|
this._updateTimer();
|
|
break;
|
|
}
|
|
},
|
|
};
|