forked from mirrors/gecko-dev
467 lines
17 KiB
JavaScript
467 lines
17 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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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XPCOMUtils.defineLazyModuleGetter(this, "DownloadsCommon",
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"resource:///modules/DownloadsCommon.jsm");
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var gMainPane = {
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_pane: null,
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/**
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* Initialization of this.
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*/
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init: function ()
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{
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this._pane = document.getElementById("paneMain");
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// set up the "use current page" label-changing listener
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this._updateUseCurrentButton();
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window.addEventListener("focus", this._updateUseCurrentButton.bind(this), false);
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this.updateBrowserStartupLastSession();
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// Notify observers that the UI is now ready
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Components.classes["@mozilla.org/observer-service;1"]
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.getService(Components.interfaces.nsIObserverService)
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.notifyObservers(window, "main-pane-loaded", null);
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},
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// HOME PAGE
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/*
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* Preferences:
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*
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* browser.startup.homepage
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* - the user's home page, as a string; if the home page is a set of tabs,
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* this will be those URLs separated by the pipe character "|"
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* browser.startup.page
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* - what page(s) to show when the user starts the application, as an integer:
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*
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* 0: a blank page
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* 1: the home page (as set by the browser.startup.homepage pref)
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* 2: the last page the user visited (DEPRECATED)
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* 3: windows and tabs from the last session (a.k.a. session restore)
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*
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* The deprecated option is not exposed in UI; however, if the user has it
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* selected and doesn't change the UI for this preference, the deprecated
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* option is preserved.
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*/
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syncFromHomePref: function ()
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{
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let homePref = document.getElementById("browser.startup.homepage");
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// If the pref is set to about:home, set the value to "" to show the
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// placeholder text (about:home title).
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if (homePref.value.toLowerCase() == "about:home")
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return "";
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// If the pref is actually "", show about:blank. The actual home page
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// loading code treats them the same, and we don't want the placeholder text
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// to be shown.
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if (homePref.value == "")
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return "about:blank";
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// Otherwise, show the actual pref value.
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return undefined;
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},
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syncToHomePref: function (value)
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{
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// If the value is "", use about:home.
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if (value == "")
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return "about:home";
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// Otherwise, use the actual textbox value.
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return undefined;
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},
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/**
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* Sets the home page to the current displayed page (or frontmost tab, if the
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* most recent browser window contains multiple tabs), updating preference
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* window UI to reflect this.
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*/
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setHomePageToCurrent: function ()
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{
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let homePage = document.getElementById("browser.startup.homepage");
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let tabs = this._getTabsForHomePage();
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function getTabURI(t) t.linkedBrowser.currentURI.spec;
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// FIXME Bug 244192: using dangerous "|" joiner!
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if (tabs.length)
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homePage.value = tabs.map(getTabURI).join("|");
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},
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/**
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* Displays a dialog in which the user can select a bookmark to use as home
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* page. If the user selects a bookmark, that bookmark's name is displayed in
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* UI and the bookmark's address is stored to the home page preference.
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*/
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setHomePageToBookmark: function ()
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{
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var rv = { urls: null, names: null };
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document.documentElement.openSubDialog("chrome://browser/content/preferences/selectBookmark.xul",
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"resizable", rv);
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if (rv.urls && rv.names) {
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var homePage = document.getElementById("browser.startup.homepage");
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// XXX still using dangerous "|" joiner!
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homePage.value = rv.urls.join("|");
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}
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},
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/**
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* Switches the "Use Current Page" button between its singular and plural
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* forms.
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*/
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_updateUseCurrentButton: function () {
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let useCurrent = document.getElementById("useCurrent");
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let tabs = this._getTabsForHomePage();
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if (tabs.length > 1)
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useCurrent.label = useCurrent.getAttribute("label2");
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else
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useCurrent.label = useCurrent.getAttribute("label1");
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// In this case, the button's disabled state is set by preferences.xml.
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if (document.getElementById
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("pref.browser.homepage.disable_button.current_page").locked)
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return;
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useCurrent.disabled = !tabs.length
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},
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_getTabsForHomePage: function ()
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{
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var win;
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var tabs = [];
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if (document.documentElement.instantApply) {
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const Cc = Components.classes, Ci = Components.interfaces;
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// If we're in instant-apply mode, use the most recent browser window
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var wm = Cc["@mozilla.org/appshell/window-mediator;1"]
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.getService(Ci.nsIWindowMediator);
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win = wm.getMostRecentWindow("navigator:browser");
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}
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else {
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win = window.opener;
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}
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if (win && win.document.documentElement
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.getAttribute("windowtype") == "navigator:browser") {
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// We should only include visible & non-pinned tabs
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tabs = win.gBrowser.visibleTabs.slice(win.gBrowser._numPinnedTabs);
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}
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return tabs;
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},
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/**
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* Restores the default home page as the user's home page.
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*/
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restoreDefaultHomePage: function ()
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{
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var homePage = document.getElementById("browser.startup.homepage");
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homePage.value = homePage.defaultValue;
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},
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// DOWNLOADS
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/*
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* Preferences:
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*
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* browser.download.showWhenStarting - bool
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* True if the Download Manager should be opened when a download is
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* started, false if it shouldn't be opened.
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* browser.download.closeWhenDone - bool
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* True if the Download Manager should be closed when all downloads
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* complete, false if it should be left open.
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* browser.download.useDownloadDir - bool
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* True - Save files directly to the folder configured via the
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* browser.download.folderList preference.
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* False - Always ask the user where to save a file and default to
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* browser.download.lastDir when displaying a folder picker dialog.
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* browser.download.dir - local file handle
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* A local folder the user may have selected for downloaded files to be
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* saved. Migration of other browser settings may also set this path.
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* This folder is enabled when folderList equals 2.
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* browser.download.lastDir - local file handle
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* May contain the last folder path accessed when the user browsed
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* via the file save-as dialog. (see contentAreaUtils.js)
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* browser.download.folderList - int
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* Indicates the location users wish to save downloaded files too.
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* It is also used to display special file labels when the default
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* download location is either the Desktop or the Downloads folder.
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* Values:
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* 0 - The desktop is the default download location.
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* 1 - The system's downloads folder is the default download location.
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* 2 - The default download location is elsewhere as specified in
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* browser.download.dir.
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* browser.download.downloadDir
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* deprecated.
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* browser.download.defaultFolder
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* deprecated.
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*/
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/**
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* Updates preferences which depend upon the value of the preference which
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* determines whether the Downloads manager is opened at the start of a
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* download.
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*/
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readShowDownloadsWhenStarting: function ()
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{
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this.showDownloadsWhenStartingPrefChanged();
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// don't override the preference's value in UI
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return undefined;
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},
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/**
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* Enables or disables the "close Downloads manager when downloads finished"
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* preference element, consequently updating the associated UI.
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*/
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showDownloadsWhenStartingPrefChanged: function ()
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{
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var showWhenStartingPref = document.getElementById("browser.download.manager.showWhenStarting");
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var closeWhenDonePref = document.getElementById("browser.download.manager.closeWhenDone");
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closeWhenDonePref.disabled = !showWhenStartingPref.value;
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},
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/**
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* Enables/disables the folder field and Browse button based on whether a
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* default download directory is being used.
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*/
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readUseDownloadDir: function ()
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{
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var downloadFolder = document.getElementById("downloadFolder");
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var chooseFolder = document.getElementById("chooseFolder");
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var preference = document.getElementById("browser.download.useDownloadDir");
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downloadFolder.disabled = !preference.value;
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chooseFolder.disabled = !preference.value;
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// don't override the preference's value in UI
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return undefined;
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},
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/**
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* Displays a file picker in which the user can choose the location where
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* downloads are automatically saved, updating preferences and UI in
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* response to the choice, if one is made.
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*/
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chooseFolder: function ()
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{
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const nsIFilePicker = Components.interfaces.nsIFilePicker;
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const nsILocalFile = Components.interfaces.nsILocalFile;
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var fp = Components.classes["@mozilla.org/filepicker;1"]
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.createInstance(nsIFilePicker);
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var bundlePreferences = document.getElementById("bundlePreferences");
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var title = bundlePreferences.getString("chooseDownloadFolderTitle");
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fp.init(window, title, nsIFilePicker.modeGetFolder);
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fp.appendFilters(nsIFilePicker.filterAll);
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var folderListPref = document.getElementById("browser.download.folderList");
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var currentDirPref = this._indexToFolder(folderListPref.value); // file
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var defDownloads = this._indexToFolder(1); // file
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// First try to open what's currently configured
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if (currentDirPref && currentDirPref.exists()) {
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fp.displayDirectory = currentDirPref;
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} // Try the system's download dir
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else if (defDownloads && defDownloads.exists()) {
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fp.displayDirectory = defDownloads;
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} // Fall back to Desktop
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else {
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fp.displayDirectory = this._indexToFolder(0);
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}
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if (fp.show() == nsIFilePicker.returnOK) {
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var file = fp.file.QueryInterface(nsILocalFile);
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var currentDirPref = document.getElementById("browser.download.dir");
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currentDirPref.value = file;
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var folderListPref = document.getElementById("browser.download.folderList");
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folderListPref.value = this._folderToIndex(file);
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// Note, the real prefs will not be updated yet, so dnld manager's
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// userDownloadsDirectory may not return the right folder after
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// this code executes. displayDownloadDirPref will be called on
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// the assignment above to update the UI.
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}
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},
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/**
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* Initializes the download folder display settings based on the user's
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* preferences.
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*/
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displayDownloadDirPref: function ()
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{
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var folderListPref = document.getElementById("browser.download.folderList");
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var bundlePreferences = document.getElementById("bundlePreferences");
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var downloadFolder = document.getElementById("downloadFolder");
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var currentDirPref = document.getElementById("browser.download.dir");
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// Used in defining the correct path to the folder icon.
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var ios = Components.classes["@mozilla.org/network/io-service;1"]
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.getService(Components.interfaces.nsIIOService);
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var fph = ios.getProtocolHandler("file")
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.QueryInterface(Components.interfaces.nsIFileProtocolHandler);
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var iconUrlSpec;
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// Display a 'pretty' label or the path in the UI.
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if (folderListPref.value == 2) {
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// Custom path selected and is configured
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downloadFolder.label = this._getDisplayNameOfFile(currentDirPref.value);
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iconUrlSpec = fph.getURLSpecFromFile(currentDirPref.value);
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} else if (folderListPref.value == 1) {
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// 'Downloads'
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// In 1.5, this pointed to a folder we created called 'My Downloads'
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// and was available as an option in the 1.5 drop down. On XP this
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// was in My Documents, on OSX it was in User Docs. In 2.0, we did
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// away with the drop down option, although the special label was
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// still supported for the folder if it existed. Because it was
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// not exposed it was rarely used.
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// With 3.0, a new desktop folder - 'Downloads' was introduced for
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// platforms and versions that don't support a default system downloads
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// folder. See nsDownloadManager for details.
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downloadFolder.label = bundlePreferences.getString("downloadsFolderName");
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iconUrlSpec = fph.getURLSpecFromFile(this._indexToFolder(1));
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} else {
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// 'Desktop'
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downloadFolder.label = bundlePreferences.getString("desktopFolderName");
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iconUrlSpec = fph.getURLSpecFromFile(this._getDownloadsFolder("Desktop"));
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}
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downloadFolder.image = "moz-icon://" + iconUrlSpec + "?size=16";
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// don't override the preference's value in UI
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return undefined;
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},
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/**
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* Returns the textual path of a folder in readable form.
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*/
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_getDisplayNameOfFile: function (aFolder)
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{
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// TODO: would like to add support for 'Downloads on Macintosh HD'
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// for OS X users.
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return aFolder ? aFolder.path : "";
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},
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/**
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* Returns the Downloads folder. If aFolder is "Desktop", then the Downloads
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* folder returned is the desktop folder; otherwise, it is a folder whose name
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* indicates that it is a download folder and whose path is as determined by
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* the XPCOM directory service via the download manager's attribute
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* defaultDownloadsDirectory.
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*
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* @throws if aFolder is not "Desktop" or "Downloads"
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*/
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_getDownloadsFolder: function (aFolder)
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{
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switch (aFolder) {
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case "Desktop":
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var fileLoc = Components.classes["@mozilla.org/file/directory_service;1"]
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.getService(Components.interfaces.nsIProperties);
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return fileLoc.get("Desk", Components.interfaces.nsILocalFile);
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break;
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case "Downloads":
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var dnldMgr = Components.classes["@mozilla.org/download-manager;1"]
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.getService(Components.interfaces.nsIDownloadManager);
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return dnldMgr.defaultDownloadsDirectory;
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break;
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}
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throw "ASSERTION FAILED: folder type should be 'Desktop' or 'Downloads'";
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},
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/**
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* Determines the type of the given folder.
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*
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* @param aFolder
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* the folder whose type is to be determined
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* @returns integer
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* 0 if aFolder is the Desktop or is unspecified,
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* 1 if aFolder is the Downloads folder,
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* 2 otherwise
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*/
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_folderToIndex: function (aFolder)
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{
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if (!aFolder || aFolder.equals(this._getDownloadsFolder("Desktop")))
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return 0;
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else if (aFolder.equals(this._getDownloadsFolder("Downloads")))
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return 1;
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return 2;
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},
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/**
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* Converts an integer into the corresponding folder.
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*
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* @param aIndex
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* an integer
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* @returns the Desktop folder if aIndex == 0,
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* the Downloads folder if aIndex == 1,
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* the folder stored in browser.download.dir
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*/
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_indexToFolder: function (aIndex)
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{
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switch (aIndex) {
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case 0:
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return this._getDownloadsFolder("Desktop");
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case 1:
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return this._getDownloadsFolder("Downloads");
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}
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var currentDirPref = document.getElementById("browser.download.dir");
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return currentDirPref.value;
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},
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/**
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* Returns the value for the browser.download.folderList preference.
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*/
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getFolderListPref: function ()
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{
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var folderListPref = document.getElementById("browser.download.folderList");
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switch (folderListPref.value) {
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case 0: // Desktop
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case 1: // Downloads
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return folderListPref.value;
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break;
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case 2: // Custom
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var currentDirPref = document.getElementById("browser.download.dir");
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if (currentDirPref.value) {
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// Resolve to a known location if possible. We are writing out
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// to prefs on this call, so now would be a good time to do it.
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return this._folderToIndex(currentDirPref.value);
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}
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return 0;
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break;
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}
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},
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/**
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* Displays the Add-ons Manager.
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*/
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showAddonsMgr: function ()
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{
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openUILinkIn("about:addons", "window");
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},
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/**
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* Hide/show the "Show my windows and tabs from last time" option based
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* on the value of the browser.privatebrowsing.autostart pref.
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*/
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updateBrowserStartupLastSession: function()
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{
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let pbAutoStartPref = document.getElementById("browser.privatebrowsing.autostart");
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let startupPref = document.getElementById("browser.startup.page");
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let menu = document.getElementById("browserStartupPage");
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let option = document.getElementById("browserStartupLastSession");
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if (pbAutoStartPref.value) {
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option.setAttribute("disabled", "true");
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if (option.selected) {
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menu.selectedItem = document.getElementById("browserStartupHomePage");
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}
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} else {
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option.removeAttribute("disabled");
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startupPref.updateElements(); // select the correct index in the startup menulist
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}
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}
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};
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