From 6e7918b6ccb69876d339a320091fdee811445395 Mon Sep 17 00:00:00 2001
From: Ruben Rodriguez <ruben@gnu.org>
Date: Mon, 20 Oct 2014 02:24:51 +0200
Subject: Generalize data directory

---
 .../gnu/extensions/spyblock@gnu.org/lib/ui.js      | 1973 --------------------
 1 file changed, 1973 deletions(-)
 delete mode 100644 helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/ui.js

(limited to 'helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/ui.js')

diff --git a/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/ui.js b/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/ui.js
deleted file mode 100644
index 668e356..0000000
--- a/helpers/DATA/firefox/gnu/extensions/spyblock@gnu.org/lib/ui.js
+++ /dev/null
@@ -1,1973 +0,0 @@
-/*
- * This file is part of Adblock Plus <http://adblockplus.org/>,
- * Copyright (C) 2006-2014 Eyeo GmbH
- *
- * Adblock Plus is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
- *
- * Adblock Plus is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-
-let {Utils} = require("utils");
-let {Prefs} = require("prefs");
-let {Policy} = require("contentPolicy");
-let {FilterStorage} = require("filterStorage");
-let {FilterNotifier} = require("filterNotifier");
-let {RequestNotifier} = require("requestNotifier");
-let {Filter} = require("filterClasses");
-let {Subscription, SpecialSubscription, DownloadableSubscription} = require("subscriptionClasses");
-let {Synchronizer} = require("synchronizer");
-let {KeySelector} = require("keySelector");
-let {Notification} = require("notification");
-let {initAntiAdblockNotification} = require("antiadblockInit");
-
-let CustomizableUI = null;
-
-/**
- * Filter corresponding with "disable on site" menu item (set in fillIconMent()).
- * @type Filter
- */
-let siteWhitelist = null;
-/**
- * Filter corresponding with "disable on site" menu item (set in fillIconMenu()).
- * @type Filter
- */
-let pageWhitelist = null;
-
-/**
- * Window containing the detached list of blockable items.
- * @type Window
- */
-let detachedBottombar = null;
-
-/**
- * Object initializing add-on options, observes add-on manager notifications
- * about add-on options being opened.
- * @type nsIObserver
- */
-let optionsObserver =
-{
-  init: function()
-  {
-    Services.obs.addObserver(this, "addon-options-displayed", true);
-    onShutdown.add(function()
-    {
-      Services.obs.removeObserver(this, "addon-options-displayed");
-    }.bind(this));
-  },
-
-  /**
-   * Initializes options in add-on manager when they show up.
-   */
-  initOptionsDoc: function(/**Document*/ doc)
-  {
-    function hideElement(id, hide)
-    {
-      let element = doc.getElementById(id);
-      if (element)
-        element.collapsed = hide;
-    }
-    function setChecked(id, checked)
-    {
-      let element = doc.getElementById(id);
-      if (element)
-        element.value = checked;
-    }
-    function addCommandHandler(id, handler)
-    {
-      let element = doc.getElementById(id);
-      if (element)
-        element.addEventListener("command", handler, false);
-    }
-
-    Utils.splitAllLabels(doc);
-
-    addCommandHandler("adblockplus-filters", UI.openFiltersDialog.bind(UI));
-
-    let {Sync} = require("sync");
-    let syncEngine = Sync.getEngine();
-    hideElement("adblockplus-sync", !syncEngine);
-
-    let {defaultToolbarPosition, statusbarPosition} = require("appSupport");
-    let hasToolbar = defaultToolbarPosition;
-    let hasStatusBar = statusbarPosition;
-
-    hideElement("adblockplus-showintoolbar", !hasToolbar);
-    hideElement("adblockplus-showinstatusbar", !hasStatusBar);
-
-    let checkbox = doc.querySelector("setting[type=bool]");
-    if (checkbox)
-      initCheckboxes();
-
-    function initCheckboxes()
-    {
-      if (!("value" in checkbox))
-      {
-        // XBL bindings didn't apply yet (bug 708397), try later
-        Utils.runAsync(initCheckboxes);
-        return;
-      }
-
-      setChecked("adblockplus-savestats", Prefs.savestats);
-      addCommandHandler("adblockplus-savestats", function()
-      {
-        UI.toggleSaveStats(doc.defaultView);
-        this.value = Prefs.savestats;
-      });
-
-      let hasAcceptableAds = FilterStorage.subscriptions.some((subscription) => subscription instanceof DownloadableSubscription &&
-        subscription.url == Prefs.subscriptions_exceptionsurl);
-      setChecked("adblockplus-acceptableAds", hasAcceptableAds);
-      addCommandHandler("adblockplus-acceptableAds", function()
-      {
-        this.value = UI.toggleAcceptableAds();
-      });
-
-      setChecked("adblockplus-sync", syncEngine && syncEngine.enabled);
-      addCommandHandler("adblockplus-sync", function()
-      {
-        this.value = UI.toggleSync();
-      });
-
-      setChecked("adblockplus-showintoolbar", UI.isToolbarIconVisible());
-      addCommandHandler("adblockplus-showintoolbar", function()
-      {
-        UI.toggleToolbarIcon();
-        this.value = UI.isToolbarIconVisible();
-      });
-
-      let list = doc.getElementById("adblockplus-subscription-list");
-      if (list)
-      {
-        // Load subscriptions data
-        let request = new XMLHttpRequest();
-        request.mozBackgroundRequest = true;
-        request.open("GET", "chrome://adblockplus/content/ui/subscriptions.xml");
-        request.addEventListener("load", function()
-        {
-          if (onShutdown.done)
-            return;
-
-          let currentSubscription = FilterStorage.subscriptions.filter((subscription) => subscription instanceof DownloadableSubscription &&
-            subscription.url != Prefs.subscriptions_exceptionsurl);
-          currentSubscription = (currentSubscription.length ? currentSubscription[0] : null);
-
-          let subscriptions =request.responseXML.getElementsByTagName("subscription");
-          for (let i = 0; i < subscriptions.length; i++)
-          {
-            let item = subscriptions[i];
-            let url = item.getAttribute("url");
-            if (!url)
-              continue;
-
-            list.appendItem(item.getAttribute("title"), url, null);
-            if (currentSubscription && url == currentSubscription.url)
-              list.selectedIndex = list.itemCount - 1;
-
-            if (currentSubscription && list.selectedIndex < 0)
-            {
-              list.appendItem(currentSubscription.title, currentSubscription.url, null);
-              list.selectedIndex = list.itemCount - 1;
-            }
-          }
-
-          var listener = function()
-          {
-            if (list.value)
-              UI.setSubscription(list.value, list.label);
-          }
-          list.addEventListener("command", listener, false);
-
-          // xul:menulist in Fennec is broken and doesn't trigger any events
-          // on selection. Have to detect selectIndex changes instead.
-          // See https://bugzilla.mozilla.org/show_bug.cgi?id=891736
-          list.watch("selectedIndex", function(prop, oldval, newval)
-          {
-            Utils.runAsync(listener);
-            return newval;
-          });
-        }, false);
-        request.send();
-      }
-    }
-  },
-
-  observe: function(subject, topic, data)
-  {
-    let {addonID} = require("info")
-    if (data != addonID)
-      return;
-
-    this.initOptionsDoc(subject.QueryInterface(Ci.nsIDOMDocument));
-  },
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference])
-};
-optionsObserver.init();
-
-/**
- * Session restore observer instance, stored to prevent it from being garbage
- * collected.
- * @type SessionRestoreObserver
- */
-let sessionRestoreObserver = null;
-
-/**
- * Observer waiting for the browsing session to be restored on startup.
- */
-function SessionRestoreObserver(/**function*/ callback)
-{
-  sessionRestoreObserver = this;
-
-  this.callback = callback;
-  Services.obs.addObserver(this, "sessionstore-windows-restored", true);
-
-  // Just in case, don't wait longer than 5 seconds
-  this.timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-  this.timer.init(this, 5000, Ci.nsITimer.TYPE_ONE_SHOT);
-}
-SessionRestoreObserver.prototype =
-{
-  callback: null,
-  timer: null,
-  observe: function(subject, topic, data)
-  {
-    Services.obs.removeObserver(this, "sessionstore-windows-restored");
-    sessionRestoreObserver = null;
-
-    this.timer.cancel();
-    this.timer = null;
-
-    if (!onShutdown.done)
-      this.callback();
-  },
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupportsWeakReference])
-}
-
-/**
- * Timer used to delay notification handling.
- * @type nsITimer
- */
-let notificationTimer = null;
-
-let UI = exports.UI =
-{
-  /**
-   * Gets called on startup, initializes UI integration.
-   */
-  init: function()
-  {
-    // We should call initDone once both overlay and filters are loaded
-    let overlayLoaded = false;
-    let filtersLoaded = false;
-    let sessionRestored = false;
-
-    // Start loading overlay
-    let request = new XMLHttpRequest();
-    request.mozBackgroundRequest = true;
-    request.open("GET", "chrome://adblockplus/content/ui/overlay.xul");
-    request.addEventListener("load", function(event)
-    {
-      if (onShutdown.done)
-        return;
-
-      this.processOverlay(request.responseXML.documentElement);
-
-      // Don't wait for the rest of the startup sequence, add icon already
-      this.addToolbarButton();
-
-      overlayLoaded = true;
-      if (overlayLoaded && filtersLoaded && sessionRestored)
-        this.initDone();
-    }.bind(this), false);
-    request.send(null);
-
-    // Wait for filters to load
-    if (FilterStorage._loading)
-    {
-      let listener = function(action)
-      {
-        if (action != "load")
-          return;
-
-        FilterNotifier.removeListener(listener);
-        filtersLoaded = true;
-        if (overlayLoaded && filtersLoaded && sessionRestored)
-          this.initDone();
-      }.bind(this);
-      FilterNotifier.addListener(listener);
-    }
-    else
-      filtersLoaded = true;
-
-    // Initialize UI after the session is restored
-    let window = this.currentWindow;
-    if (!window && "nsISessionStore" in Ci)
-    {
-      // No application windows yet, the application must be starting up. Wait
-      // for session to be restored before initializing our UI.
-      new SessionRestoreObserver(function()
-      {
-        sessionRestored = true;
-        if (overlayLoaded && filtersLoaded && sessionRestored)
-          this.initDone();
-      }.bind(this));
-    }
-    else
-      sessionRestored = true;
-  },
-
-  /**
-   * Provesses overlay document data and initializes overlay property.
-   */
-  processOverlay: function(/**Element*/ root)
-  {
-    Utils.splitAllLabels(root);
-
-    let specialElements = {"abp-status-popup": true, "abp-status": true, "abp-toolbarbutton": true, "abp-menuitem": true, "abp-bottombar-container": true};
-
-    this.overlay = {all: []};
-
-    // Remove whitespace text nodes
-    let walker = root.ownerDocument.createTreeWalker(
-      root, Ci.nsIDOMNodeFilter.SHOW_TEXT,
-      (node) => !/\S/.test(node.nodeValue), false
-    );
-    let whitespaceNodes = [];
-    while (walker.nextNode())
-      whitespaceNodes.push(walker.currentNode);
-
-    for (let i = 0; i < whitespaceNodes.length; i++)
-      whitespaceNodes[i].parentNode.removeChild(whitespaceNodes[i]);
-
-    // Put overlay elements into appropriate fields
-    while (root.firstElementChild)
-    {
-      let child = root.firstElementChild;
-      if (child.getAttribute("id") in specialElements)
-        this.overlay[child.getAttribute("id")] = child;
-      else
-        this.overlay.all.push(child);
-      root.removeChild(child);
-    }
-
-    // Read overlay attributes
-    this.overlay.attributes = {};
-    for (let i = 0; i < root.attributes.length; i++)
-      this.overlay.attributes[root.attributes[i].name] = root.attributes[i].value;
-
-    // Copy context menu into the toolbar icon and Tools menu item
-    function fixId(element, newId)
-    {
-      if (element.hasAttribute("id"))
-        element.setAttribute("id", element.getAttribute("id").replace("abp-status", newId));
-
-      for (let i = 0, len = element.children.length; i < len; i++)
-        fixId(element.children[i], newId);
-
-      return element;
-    }
-
-    if ("abp-status-popup" in this.overlay)
-    {
-      let menuSource = this.overlay["abp-status-popup"];
-      delete this.overlay["abp-status-popup"];
-
-      if (this.overlay.all.length)
-        this.overlay.all[0].appendChild(menuSource);
-      if ("abp-toolbarbutton" in this.overlay)
-        this.overlay["abp-toolbarbutton"].appendChild(fixId(menuSource.cloneNode(true), "abp-toolbar"));
-      if ("abp-menuitem" in this.overlay)
-        this.overlay["abp-menuitem"].appendChild(fixId(menuSource.cloneNode(true), "abp-menuitem"));
-    }
-  },
-
-  /**
-   * Gets called once the initialization is finished and Adblock Plus elements
-   * can be added to the UI.
-   */
-  initDone: function()
-  {
-    // The icon might be added already, make sure its state is correct
-    this.updateState();
-
-    // Listen for pref and filters changes
-    Prefs.addListener(function(name)
-    {
-      if (name == "enabled" || name == "defaulttoolbaraction" || name == "defaultstatusbaraction")
-        this.updateState();
-      else if (name == "showinstatusbar")
-      {
-        for (let window in this.applicationWindows)
-          this.updateStatusbarIcon(window);
-      }
-    }.bind(this));
-    FilterNotifier.addListener(function(action)
-    {
-      if (/^(filter|subscription)\.(added|removed|disabled|updated)$/.test(action) || action == "load")
-        this.updateState();
-    }.bind(this));
-
-    notificationTimer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
-    notificationTimer.initWithCallback(this.showNextNotification.bind(this),
-                                       3 * 60 * 1000, Ci.nsITimer.TYPE_ONE_SHOT);
-    onShutdown.add(() => notificationTimer.cancel());
-
-    // Add "anti-adblock messages" notification
-    initAntiAdblockNotification();
-
-    let documentCreationObserver = {
-      observe: function(subject, topic, data)
-      {
-        if (!(subject instanceof Ci.nsIDOMWindow))
-          return;
-
-        this.showNextNotification(subject.location.href);
-      }.bind(UI)
-    };
-    Services.obs.addObserver(documentCreationObserver, "content-document-global-created", false);
-    onShutdown.add(function()
-    {
-      Services.obs.removeObserver(documentCreationObserver, "content-document-global-created", false);
-    });
-
-    // Execute first-run actions if a window is open already, otherwise it
-    // will happen in applyToWindow() when a window is opened.
-    this.firstRunActions(this.currentWindow);
-  },
-
-  addToolbarButton: function()
-  {
-    let {WindowObserver} = require("windowObserver");
-    new WindowObserver(this);
-
-    let {defaultToolbarPosition} = require("appSupport");
-    if ("abp-toolbarbutton" in this.overlay && defaultToolbarPosition)
-    {
-      try
-      {
-        ({CustomizableUI}) = Cu.import("resource:///modules/CustomizableUI.jsm", null);
-      }
-      catch (e)
-      {
-        // No built-in CustomizableUI API, use our own implementation.
-        ({CustomizableUI}) = require("customizableUI");
-      }
-
-      CustomizableUI.createWidget({
-        id: "abp-toolbarbutton",
-        type: "custom",
-        positionAttribute: "abp-iconposition",        // For emulation only
-        defaultArea: defaultToolbarPosition.parent,
-        defaultBefore: defaultToolbarPosition.before, // For emulation only
-        defaultAfter: defaultToolbarPosition.after,   // For emulation only
-        removable: true,
-        onBuild: function(document)
-        {
-          let node = document.importNode(this.overlay["abp-toolbarbutton"], true);
-          node.addEventListener("click", this.onIconClick, false);
-          node.addEventListener("command", this.onIconClick, false);
-          this.updateIconState(document.defaultView, node);
-          return node;
-        }.bind(this),
-        onAdded: function(node)
-        {
-          // For emulation only, this callback isn't part of the official
-          // CustomizableUI API.
-          this.updateIconState(node.ownerDocument.defaultView, node);
-        }.bind(this),
-      });
-      onShutdown.add(CustomizableUI.destroyWidget.bind(CustomizableUI, "abp-toolbarbutton"));
-    }
-  },
-
-  firstRunActions: function(window)
-  {
-    if (this.firstRunDone || !window || FilterStorage._loading)
-      return;
-
-    this.firstRunDone = true;
-
-    let {addonVersion} = require("info");
-    let prevVersion = Prefs.currentVersion;
-    if (prevVersion != addonVersion)
-    {
-      Prefs.currentVersion = addonVersion;
-      this.addSubscription(window, prevVersion);
-    }
-  },
-
-  /**
-   * Will be set to true after the check whether first-run actions should run
-   * has been performed.
-   * @type Boolean
-   */
-  firstRunDone: false,
-
-  /**
-   * Initializes Adblock Plus UI in a window.
-   */
-  applyToWindow: function(/**Window*/ window, /**Boolean*/ noDelay)
-  {
-    let {delayInitialization, isKnownWindow, getBrowser, addBrowserLocationListener, addBrowserClickListener} = require("appSupport");
-    if (window.document.documentElement.id == "CustomizeToolbarWindow" || isKnownWindow(window))
-    {
-      // Add style processing instruction
-      let style = window.document.createProcessingInstruction("xml-stylesheet", 'class="adblockplus-node" href="chrome://adblockplus/skin/overlay.css" type="text/css"');
-      window.document.insertBefore(style, window.document.firstChild);
-    }
-
-    if (!isKnownWindow(window))
-      return;
-
-    // Thunderbird windows will not be initialized at this point, execute
-    // delayed
-    if (!noDelay && delayInitialization)
-    {
-      Utils.runAsync(this.applyToWindow.bind(this, window, true));
-      return;
-    }
-
-    // Add general items to the document
-    for (let i = 0; i < this.overlay.all.length; i++)
-      window.document.documentElement.appendChild(this.overlay.all[i].cloneNode(true));
-
-    // Add status bar icon
-    this.updateStatusbarIcon(window);
-
-    // Add tools menu item
-    if ("abp-menuitem" in this.overlay)
-    {
-      let {toolsMenu} = require("appSupport");
-      let [parent, before] = this.resolveInsertionPoint(window, toolsMenu);
-      if (parent)
-        parent.insertBefore(this.overlay["abp-menuitem"].cloneNode(true), before);
-    }
-
-    // Attach event handlers
-    for (let i = 0; i < eventHandlers.length; i++)
-    {
-      let [id, event, handler] = eventHandlers[i];
-      let element = window.document.getElementById(id);
-      if (element)
-        element.addEventListener(event, handler.bind(null, window), false);
-    }
-    window.addEventListener("popupshowing", this.onPopupShowing, false);
-    window.addEventListener("keypress", this.onKeyPress, false);
-
-    addBrowserLocationListener(window, function()
-    {
-      this.updateIconState(window, window.document.getElementById("abp-status"));
-      this.updateIconState(window, window.document.getElementById("abp-toolbarbutton"));
-    }.bind(this));
-    addBrowserClickListener(window, this.onBrowserClick.bind(this, window));
-
-    window.document.getElementById("abp-notification-close").addEventListener("command", function(event)
-    {
-      window.document.getElementById("abp-notification").hidePopup();
-    }, false);
-
-    // First-run actions?
-    this.firstRunActions(window);
-
-    // Some people actually switch off browser.frames.enabled and are surprised
-    // that things stop working...
-    window.QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(Ci.nsIWebNavigation)
-          .QueryInterface(Ci.nsIDocShell)
-          .allowSubframes = true;
-  },
-
-  /**
-   * Removes Adblock Plus UI from a window.
-   */
-  removeFromWindow: function(/**Window*/ window)
-  {
-    let {isKnownWindow, removeBrowserLocationListeners, removeBrowserClickListeners} = require("appSupport");
-    if (window.document.documentElement.id == "CustomizeToolbarWindow" || isKnownWindow(window))
-    {
-      // Remove style processing instruction
-      for (let child = window.document.firstChild; child; child = child.nextSibling)
-        if (child.nodeType == child.PROCESSING_INSTRUCTION_NODE && child.data.indexOf("adblockplus-node") >= 0)
-          child.parentNode.removeChild(child);
-    }
-
-    if (!isKnownWindow(window))
-      return;
-
-    for (let id in this.overlay)
-    {
-      if (id == "all")
-      {
-        let list = this.overlay[id];
-        for (let i = 0; i < list.length; i++)
-        {
-          let clone = window.document.getElementById(list[i].getAttribute("id"));
-          if (clone)
-            clone.parentNode.removeChild(clone);
-        }
-      }
-      else
-      {
-        let clone = window.document.getElementById(id);
-        if (clone)
-          clone.parentNode.removeChild(clone);
-      }
-    }
-
-    window.removeEventListener("popupshowing", this.onPopupShowing, false);
-    window.removeEventListener("keypress", this.onKeyPress, false);
-    removeBrowserLocationListeners(window);
-    removeBrowserClickListeners(window);
-  },
-
-  /**
-   * The overlay information to be used when adding elements to the UI.
-   * @type Object
-   */
-  overlay: null,
-
-  /**
-   * Iterator for application windows that Adblock Plus should apply to.
-   * @type Iterator
-   */
-  get applicationWindows()
-  {
-    let {isKnownWindow} = require("appSupport");
-
-    let enumerator = Services.wm.getZOrderDOMWindowEnumerator(null, true);
-    if (!enumerator.hasMoreElements())
-    {
-      // On Linux the list returned will be empty, see bug 156333. Fall back to random order.
-      enumerator = Services.wm.getEnumerator(null);
-    }
-    while (enumerator.hasMoreElements())
-    {
-      let window = enumerator.getNext().QueryInterface(Ci.nsIDOMWindow);
-      if (isKnownWindow(window))
-        yield window;
-    }
-  },
-
-  /**
-   * Returns the top-most application window or null if none exists.
-   * @type Window
-   */
-  get currentWindow()
-  {
-    for (let window of this.applicationWindows)
-      return window;
-    return null;
-  },
-
-  /**
-   * Opens a URL in the browser window. If browser window isn't passed as parameter,
-   * this function attempts to find a browser window. If an event is passed in
-   * it should be passed in to the browser if possible (will e.g. open a tab in
-   * background depending on modifiers keys).
-   */
-  loadInBrowser: function(/**String*/ url, /**Window*/ currentWindow, /**Event*/ event)
-  {
-    if (!currentWindow)
-      currentWindow = this.currentWindow;
-
-    let {addTab} = require("appSupport");
-    if (currentWindow && addTab)
-      addTab(currentWindow, url, event);
-    else
-    {
-      let protocolService = Cc["@mozilla.org/uriloader/external-protocol-service;1"].getService(Ci.nsIExternalProtocolService);
-      protocolService.loadURI(Services.io.newURI(url, null, null), null);
-    }
-  },
-
-  /**
-   * Opens a pre-defined documentation link in the browser window. This will
-   * send the UI language to adblockplus.org so that the correct language
-   * version of the page can be selected.
-   */
-  loadDocLink: function(/**String*/ linkID, /**Window*/ window)
-  {
-    let link = Utils.getDocLink(linkID);
-    this.loadInBrowser(link, window);
-  },
-
-
-  /**
-   * Brings up the filter composer dialog to block an item.
-   */
-  blockItem: function(/**Window*/ window, /**Node*/ node, /**RequestEntry*/ item)
-  {
-    if (!item)
-      return;
-
-    window.openDialog("chrome://adblockplus/content/ui/composer.xul", "_blank", "chrome,centerscreen,resizable,dialog=no,dependent", [node], item);
-  },
-
-  /**
-   * Opens filter preferences dialog or focuses an already open dialog.
-   * @param {Filter} [filter]  filter to be selected
-   */
-  openFiltersDialog: function(filter)
-  {
-    let existing = Services.wm.getMostRecentWindow("abp:filters");
-    if (existing)
-    {
-      try
-      {
-        existing.focus();
-      } catch (e) {}
-      if (filter)
-        existing.SubscriptionActions.selectFilter(filter);
-    }
-    else
-    {
-      Services.ww.openWindow(null, "chrome://adblockplus/content/ui/filters.xul", "_blank", "chrome,centerscreen,resizable,dialog=no", {wrappedJSObject: filter});
-    }
-  },
-
-  /**
-   * Opens report wizard for the current page.
-   */
-  openReportDialog: function(/**Window*/ window)
-  {
-    let wnd = Services.wm.getMostRecentWindow("abp:sendReport");
-    if (wnd)
-      wnd.focus();
-    else
-    {
-      let uri = this.getCurrentLocation(window);
-      if (uri)
-      {
-        let {getBrowser} = require("appSupport");
-        window.openDialog("chrome://adblockplus/content/ui/sendReport.xul", "_blank", "chrome,centerscreen,resizable=no", getBrowser(window).contentWindow, uri);
-      }
-    }
-  },
-
-  /**
-   * Opens our contribution page.
-   */
-  openContributePage: function(/**Window*/ window)
-  {
-    this.loadDocLink("contribute", window);
-  },
-
-  /**
-   * Executed on first run, adds a filter subscription and notifies that user
-   * about that.
-   */
-  addSubscription: function(/**Window*/ window, /**String*/ prevVersion)
-  {
-    // Add "acceptable ads" subscription for new users and user updating from old ABP versions.
-    // Don't add it for users of privacy subscriptions (use a hardcoded list for now).
-    let addAcceptable = (Services.vc.compare(prevVersion, "2.0") < 0);
-    let privacySubscriptions = {
-      "https://easylist-downloads.adblockplus.org/easyprivacy+easylist.txt": true,
-      "https://easylist-downloads.adblockplus.org/easyprivacy.txt": true,
-      "https://secure.fanboy.co.nz/fanboy-tracking.txt": true,
-      "https://fanboy-adblock-list.googlecode.com/hg/fanboy-adblocklist-stats.txt": true,
-      "https://bitbucket.org/fanboy/fanboyadblock/raw/tip/fanboy-adblocklist-stats.txt": true,
-      "https://hg01.codeplex.com/fanboyadblock/raw-file/tip/fanboy-adblocklist-stats.txt": true,
-      "https://adversity.googlecode.com/hg/Adversity-Tracking.txt": true
-    };
-    if (FilterStorage.subscriptions.some((subscription) => subscription.url == Prefs.subscriptions_exceptionsurl || subscription.url in privacySubscriptions))
-      addAcceptable = false;
-
-    // Don't add subscription if the user has a subscription already
-    let addSubscription = true;
-    //if (FilterStorage.subscriptions.some((subscription) => subscription instanceof DownloadableSubscription && subscription.url != Prefs.subscriptions_exceptionsurl))
-      addSubscription = false;
-
-    // If this isn't the first run, only add subscription if the user has no custom filters
-    if (addSubscription && Services.vc.compare(prevVersion, "0.0") > 0)
-    {
-      if (FilterStorage.subscriptions.some((subscription) => subscription.url != Prefs.subscriptions_exceptionsurl && subscription.filters.length))
-        addSubscription = false;
-    }
-
-    // Add "acceptable ads" subscription
-    if (false)
-    {
-      let subscription = Subscription.fromURL(Prefs.subscriptions_exceptionsurl);
-      if (subscription)
-      {
-        subscription.title = "Allow non-intrusive advertising";
-        FilterStorage.addSubscription(subscription);
-        if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
-          Synchronizer.execute(subscription);
-      }
-      else
-        addAcceptable = false;
-    }
-
-    /* Add "anti-adblock messages" subscription for new users and users updating from old ABP versions
-    if (Services.vc.compare(prevVersion, "2.5") < 0)
-    {
-      let subscription = Subscription.fromURL(Prefs.subscriptions_antiadblockurl);
-      if (subscription && !(subscription.url in FilterStorage.knownSubscriptions))
-      {
-        subscription.disabled = true;
-        FilterStorage.addSubscription(subscription);
-        if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
-          Synchronizer.execute(subscription);
-      }
-    }*/
-
-    // Extra subsriptions
-    let subscription = Subscription.fromURL("http://gnuzilla.gnu.org/filters/blacklist.txt");
-    subscription.disabled = false;
-    FilterStorage.addSubscription(subscription);
-    Synchronizer.execute(subscription);
-
-    let subscription = Subscription.fromURL("http://gnuzilla.gnu.org/filters/third-party.txt");
-    subscription.disabled = false;
-    FilterStorage.addSubscription(subscription);
-    Synchronizer.execute(subscription);
-
-    let subscription = Subscription.fromURL("http://gnuzilla.gnu.org/filters/javascript.txt");
-    subscription.disabled = true;
-    FilterStorage.addSubscription(subscription);
-    Synchronizer.execute(subscription);
-
-    if (!addSubscription && !addAcceptable)
-      return;
-
-    function notifyUser()
-    {return;
-      let {addTab} = require("appSupport");
-      if (addTab)
-      {
-        addTab(window, "chrome://adblockplus/content/ui/firstRun.html");
-      }
-      else
-      {
-        let dialogSource = '\
-          <?xml-stylesheet href="chrome://global/skin/" type="text/css"?>\
-          <dialog xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul" onload="document.title=content.document.title" buttons="accept" width="500" height="600">\
-            <iframe type="content-primary" flex="1" src="chrome://adblockplus/content/ui/firstRun.html"/>\
-          </dialog>';
-        Services.ww.openWindow(window,
-                               "data:application/vnd.mozilla.xul+xml," + encodeURIComponent(dialogSource),
-                               "_blank", "chrome,centerscreen,resizable,dialog=no", null);
-      }
-    }
-
-    if (addSubscription)
-    {
-      // Load subscriptions data
-      let request = new XMLHttpRequest();
-      request.mozBackgroundRequest = true;
-      request.open("GET", "chrome://adblockplus/content/ui/subscriptions.xml");
-      request.addEventListener("load", function()
-      {
-        if (onShutdown.done)
-          return;
-
-        let node = Utils.chooseFilterSubscription(request.responseXML.getElementsByTagName("subscription"));
-        let subscription = (node ? Subscription.fromURL(node.getAttribute("url")) : null);
-        if (subscription)
-        {
-          FilterStorage.addSubscription(subscription);
-          subscription.disabled = false;
-          subscription.title = node.getAttribute("title");
-          subscription.homepage = node.getAttribute("homepage");
-          if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
-            Synchronizer.execute(subscription);
-
-          notifyUser();
-        }
-      }, false);
-      request.send();
-    }
-    else
-      notifyUser();
-  },
-
-  /**
-   * Handles clicks inside the browser's content area, will intercept clicks on
-   * abp: links. This can be called either with an event object or with the link
-   * target (if it is the former then link target will be retrieved from event
-   * target).
-   */
-  onBrowserClick: function (/**Window*/ window, /**Event*/ event, /**String*/ linkTarget)
-  {
-    if (event)
-    {
-      // Ignore right-clicks
-      if (event.button == 2)
-        return;
-
-      // Search the link associated with the click
-      let link = event.target;
-      while (link && !(link instanceof Ci.nsIDOMHTMLAnchorElement))
-        link = link.parentNode;
-
-      if (!link || link.protocol != "abp:")
-        return;
-
-      // This is our link - make sure the browser doesn't handle it
-      event.preventDefault();
-      event.stopPropagation();
-
-      linkTarget = link.href;
-    }
-
-    let match = /^abp:\/*subscribe\/*\?(.*)/i.exec(linkTarget);
-    if (!match)
-      return;
-
-    // Decode URL parameters
-    let title = null;
-    let url = null;
-    let mainSubscriptionTitle = null;
-    let mainSubscriptionURL = null;
-    for (let param of match[1].split('&'))
-    {
-      let parts = param.split("=", 2);
-      if (parts.length != 2 || !/\S/.test(parts[1]))
-        continue;
-      switch (parts[0])
-      {
-        case "title":
-          title = decodeURIComponent(parts[1]);
-          break;
-        case "location":
-          url = decodeURIComponent(parts[1]);
-          break;
-        case "requiresTitle":
-          mainSubscriptionTitle = decodeURIComponent(parts[1]);
-          break;
-        case "requiresLocation":
-          mainSubscriptionURL = decodeURIComponent(parts[1]);
-          break;
-      }
-    }
-    if (!url)
-      return;
-
-    // Default title to the URL
-    if (!title)
-      title = url;
-
-    // Main subscription needs both title and URL
-    if (mainSubscriptionTitle && !mainSubscriptionURL)
-      mainSubscriptionTitle = null;
-    if (mainSubscriptionURL && !mainSubscriptionTitle)
-      mainSubscriptionURL = null;
-
-    // Trim spaces in title and URL
-    title = title.replace(/^\s+/, "").replace(/\s+$/, "");
-    url = url.replace(/^\s+/, "").replace(/\s+$/, "");
-    if (mainSubscriptionURL)
-    {
-      mainSubscriptionTitle = mainSubscriptionTitle.replace(/^\s+/, "").replace(/\s+$/, "");
-      mainSubscriptionURL = mainSubscriptionURL.replace(/^\s+/, "").replace(/\s+$/, "");
-    }
-
-    // Verify that the URL is valid
-    url = Utils.makeURI(url);
-    if (!url || (url.scheme != "http" && url.scheme != "https" && url.scheme != "ftp"))
-      return;
-    url = url.spec;
-
-    if (mainSubscriptionURL)
-    {
-      mainSubscriptionURL = Utils.makeURI(mainSubscriptionURL);
-      if (!mainSubscriptionURL || (mainSubscriptionURL.scheme != "http" && mainSubscriptionURL.scheme != "https" && mainSubscriptionURL.scheme != "ftp"))
-        mainSubscriptionURL = mainSubscriptionTitle = null;
-      else
-        mainSubscriptionURL = mainSubscriptionURL.spec;
-    }
-
-    this.openSubscriptionDialog(window, url, title, mainSubscriptionURL, mainSubscriptionTitle);
-  },
-
-  /**
-   * Opens a dialog letting the user confirm/adjust a filter subscription to
-   * be added.
-   */
-  openSubscriptionDialog: function(/**Window*/ window, /**String*/ url, /**String*/ title, /**String*/ mainURL, /**String*/ mainTitle)
-  {
-    let subscription = {url: url, title: title, disabled: false, external: false,
-                        mainSubscriptionTitle: mainTitle, mainSubscriptionURL: mainURL};
-    window.openDialog("chrome://adblockplus/content/ui/subscriptionSelection.xul", "_blank",
-                      "chrome,centerscreen,resizable,dialog=no", subscription, null);
-  },
-
-  /**
-   * Retrieves the current location of the browser.
-   */
-  getCurrentLocation: function(/**Window*/ window) /**nsIURI*/
-  {
-    let {getCurrentLocation} = require("appSupport");
-    let result = getCurrentLocation(window);
-    return (result ? Utils.unwrapURL(result) : null);
-  },
-
-  /**
-   * Looks up an element with given ID in the window. If a list of IDs is given
-   * will try all of them until an element exists.
-   */
-  findElement: function(/**Window*/ window, /**String|String[]*/ id) /**Element*/
-  {
-    if (id instanceof Array)
-    {
-      for (let candidate of id)
-      {
-        let result = window.document.getElementById(candidate);
-        if (result)
-          return result;
-      }
-      return null;
-    }
-    else
-      return window.document.getElementById(id);
-  },
-
-  /**
-   * Resolves an insertion point as specified in appSupport module. Returns
-   * two elements: the parent element and the element to insert before.
-   */
-  resolveInsertionPoint: function(/**Window*/ window, /**Object*/ insertionPoint) /**Element[]*/
-  {
-    let parent = null;
-    let before = null;
-    if (insertionPoint)
-    {
-      if ("parent" in insertionPoint)
-        parent = this.findElement(window, insertionPoint.parent);
-
-      if (parent && "before" in insertionPoint)
-        before = this.findElement(window, insertionPoint.before);
-
-      if (parent && !before && "after" in insertionPoint)
-      {
-        let after = this.findElement(window, insertionPoint.after);
-        if (after)
-          before = after.nextElementSibling;
-      }
-
-      if (before && before.parentNode != parent)
-        before = null;
-    }
-
-    return [parent, before];
-  },
-
-  /**
-   * Toggles visibility state of the toolbar icon.
-   */
-  toggleToolbarIcon: function()
-  {
-    if (!CustomizableUI)
-      return;
-    if (this.isToolbarIconVisible())
-      CustomizableUI.removeWidgetFromArea("abp-toolbarbutton");
-    else
-    {
-      let {defaultToolbarPosition} = require("appSupport");
-      CustomizableUI.addWidgetToArea("abp-toolbarbutton", defaultToolbarPosition.parent);
-    }
-  },
-
-  /**
-   * Updates Adblock Plus icon state for all windows.
-   */
-  updateState: function()
-  {
-    for (let window in this.applicationWindows)
-    {
-      this.updateIconState(window, window.document.getElementById("abp-status"));
-      this.updateIconState(window, window.document.getElementById("abp-toolbarbutton"));
-    }
-  },
-
-  /**
-   * Updates Adblock Plus icon state for a single application window.
-   */
-  updateIconState: function(/**Window*/ window, /**Element*/ icon)
-  {
-    if (!icon)
-      return;
-
-    let state = (Prefs.enabled ? "active" : "disabled");
-    if (state == "active")
-    {
-      let location = this.getCurrentLocation(window);
-      if (location && Policy.isWhitelisted(location.spec))
-        state = "whitelisted";
-    }
-
-    let popupId = "abp-status-popup";
-    if (icon.localName == "statusbarpanel")
-    {
-      if (Prefs.defaultstatusbaraction == 0)
-      {
-        icon.setAttribute("popup", popupId);
-        icon.removeAttribute("context");
-      }
-      else
-      {
-        icon.removeAttribute("popup");
-        icon.setAttribute("context", popupId);
-      }
-    }
-    else
-    {
-      if (Prefs.defaulttoolbaraction == 0)
-      {
-        icon.setAttribute("type", "menu");
-        icon.removeAttribute("context");
-      }
-      else
-      {
-        icon.setAttribute("type", "menu-button");
-        icon.setAttribute("context", popupId);
-      }
-    }
-
-    icon.setAttribute("abpstate", state);
-  },
-
-  /**
-   * Shows or hides status bar icons in all windows, according to pref.
-   */
-  updateStatusbarIcon: function(/**Window*/ window)
-  {
-    if (!("abp-status" in this.overlay))
-      return;
-
-    let {statusbarPosition} = require("appSupport");
-    if (!statusbarPosition)
-      return;
-
-    let icon = window.document.getElementById("abp-status");
-    if (Prefs.showinstatusbar && !icon)
-    {
-      let [parent, before] = this.resolveInsertionPoint(window, statusbarPosition);
-      if (!parent)
-        return;
-
-      parent.insertBefore(this.overlay["abp-status"].cloneNode(true), before);
-
-      icon = window.document.getElementById("abp-status");
-      this.updateIconState(window, icon);
-      icon.addEventListener("click", this.onIconClick, false);
-    }
-    else if (!Prefs.showinstatusbar && icon)
-      icon.parentNode.removeChild(icon);
-  },
-
-  /**
-   * Toggles the value of a boolean preference.
-   */
-  togglePref: function(/**String*/ pref)
-  {
-    Prefs[pref] = !Prefs[pref];
-  },
-
-  /**
-   * If the given filter is already in user's list, removes it from the list. Otherwise adds it.
-   */
-  toggleFilter: function(/**Filter*/ filter)
-  {
-    if (filter.subscriptions.length)
-    {
-      if (filter.disabled || filter.subscriptions.some((subscription) => !(subscription instanceof SpecialSubscription)))
-        filter.disabled = !filter.disabled;
-      else
-        FilterStorage.removeFilter(filter);
-    }
-    else
-      FilterStorage.addFilter(filter);
-  },
-
-
-  /**
-   * Toggles "Count filter hits" option.
-   */
-  toggleSaveStats: function(window)
-  {
-    if (Prefs.savestats)
-    {
-      if (!Utils.confirm(window, Utils.getString("clearStats_warning")))
-        return;
-
-      FilterStorage.resetHitCounts();
-      Prefs.savestats = false;
-    }
-    else
-      Prefs.savestats = true;
-  },
-
-  /**
-   * Sets the current filter subscription in a single-subscription scenario,
-   * all other subscriptions will be removed.
-   */
-  setSubscription: function(url, title)
-  {
-    let subscription = Subscription.fromURL(url);
-    let currentSubscriptions = FilterStorage.subscriptions.filter(
-      ((subscription) => subscription instanceof DownloadableSubscription && subscription.url != Prefs.subscriptions_exceptionsurl)
-    );
-    if (!subscription || currentSubscriptions.indexOf(subscription) >= 0)
-      return;
-
-    for (let i = 0; i < currentSubscriptions.length; i++)
-      FilterStorage.removeSubscription(currentSubscriptions[i]);
-
-    subscription.title = title;
-    FilterStorage.addSubscription(subscription);
-    if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
-      Synchronizer.execute(subscription);
-  },
-
-  /**
-   * Adds or removes "non-intrisive ads" filter list.
-   * @return {Boolean} true if the filter list has been added
-   **/
-  toggleAcceptableAds: function()
-  {
-    let subscription = Subscription.fromURL(Prefs.subscriptions_exceptionsurl);
-    if (!subscription)
-      return false;
-
-    subscription.disabled = false;
-    subscription.title = "Allow non-intrusive advertising";
-    if (subscription.url in FilterStorage.knownSubscriptions)
-      FilterStorage.removeSubscription(subscription);
-    else
-    {
-      FilterStorage.addSubscription(subscription);
-      if (subscription instanceof DownloadableSubscription && !subscription.lastDownload)
-        Synchronizer.execute(subscription);
-    }
-
-    return (subscription.url in FilterStorage.knownSubscriptions);
-  },
-
-  /**
-   * Toggles the pref for the Adblock Plus sync engine.
-   * @return {Boolean} new state of the sync engine
-   */
-  toggleSync: function()
-  {
-    let {Sync} = require("sync");
-    let syncEngine = Sync.getEngine();
-    if (syncEngine)
-    {
-      syncEngine.enabled = !syncEngine.enabled;
-      return syncEngine.enabled;
-    }
-    else
-      return false;
-  },
-
-  /**
-   * Tests whether blockable items list is currently open.
-   */
-  isBottombarOpen: function(/**Window*/ window) /**Boolean*/
-  {
-    if (detachedBottombar && !detachedBottombar.closed)
-      return true;
-
-    return !!window.document.getElementById("abp-bottombar");
-  },
-
-  /**
-   * Called when some pop-up in the application window shows up, initializes
-   * pop-ups related to Adblock Plus.
-   */
-  onPopupShowing: function(/**Event*/ event)
-  {
-    if (event.defaultPrevented)
-      return;
-
-    let popup = event.originalTarget;
-
-    let {contentContextMenu} = require("appSupport");
-    if ((typeof contentContextMenu == "string" && popup.id == contentContextMenu) ||
-        (contentContextMenu instanceof Array && contentContextMenu.indexOf(popup.id) >= 0))
-    {
-      this.fillContentContextMenu(popup);
-    }
-    else if (popup.id == "abp-tooltip")
-      this.fillIconTooltip(event, popup.ownerDocument.defaultView);
-    else
-    {
-      let match = /^(abp-(?:toolbar|status|menuitem)-)popup$/.exec(popup.id);
-      if (match)
-        this.fillIconMenu(event, popup.ownerDocument.defaultView, match[1]);
-    }
-  },
-
-  /**
-   * Handles click on toolbar and status bar icons.
-   */
-  onIconClick: function(/**Event*/ event)
-  {
-    if (event.eventPhase != event.AT_TARGET)
-      return;
-
-    let isToolbar = (event.target.localName != "statusbarpanel");
-    let action = 0;
-    if ((isToolbar && event.type == "command") || (!isToolbar && event.button == 0))
-      action = (isToolbar ? Prefs.defaulttoolbaraction : Prefs.defaultstatusbaraction);
-    else if (event.button == 1)
-      action = 3;
-
-    let window = event.target.ownerDocument.defaultView;
-    if (action == 1)
-      this.toggleBottombar(window);
-    else if (action == 2)
-      this.openFiltersDialog();
-    else if (action == 3)
-    {
-      // If there is a whitelisting rule for current page - remove it (reenable).
-      // Otherwise flip "enabled" pref.
-      if (!this.removeWhitelist(window))
-        this.togglePref("enabled");
-    }
-  },
-
-  /**
-   * Removes/disables the exception rule applying for the current page.
-   */
-  removeWhitelist: function(/**Window*/ window)
-  {
-    let location = this.getCurrentLocation(window);
-    let filter = null;
-    if (location)
-      filter = Policy.isWhitelisted(location.spec);
-    if (filter && filter.subscriptions.length && !filter.disabled)
-    {
-      UI.toggleFilter(filter);
-      return true;
-    }
-    return false;
-  },
-
-  /**
-   * Updates state of the icon tooltip.
-   */
-  fillIconTooltip: function(/**Event*/ event, /**Window*/ window)
-  {
-    let E = (id) => window.document.getElementById(id);
-
-    let node = window.document.tooltipNode;
-    if (!node || !node.hasAttribute("tooltip"))
-    {
-      event.preventDefault();
-      return;
-    }
-
-    // Prevent tooltip from overlapping menu
-    for (let id of ["abp-toolbar-popup", "abp-status-popup"])
-    {
-      let element = E(id);
-      if (element && element.state == "open")
-      {
-        event.preventDefault();
-        return;
-      }
-    }
-
-    let type = (node.id == "abp-toolbarbutton" ? "toolbar" : "statusbar");
-    let action = parseInt(Prefs["default" + type + "action"]);
-    if (isNaN(action))
-      action = -1;
-
-    let actionDescr = E("abp-tooltip-action");
-    actionDescr.hidden = (action < 0 || action > 3);
-    if (!actionDescr.hidden)
-      actionDescr.setAttribute("value", Utils.getString("action" + action + "_tooltip"));
-
-    let statusDescr = E("abp-tooltip-status");
-    let state = node.getAttribute("abpstate");
-    let statusStr = Utils.getString(state + "_tooltip");
-    if (state == "active")
-    {
-      let [activeSubscriptions, activeFilters] = FilterStorage.subscriptions.reduce(function([subscriptions, filters], current)
-      {
-        if (current instanceof SpecialSubscription)
-          return [subscriptions, filters + current.filters.filter((filter) => !filter.disabled).length];
-        else if (!current.disabled && !(Prefs.subscriptions_exceptionscheckbox && current.url == Prefs.subscriptions_exceptionsurl))
-          return [subscriptions + 1, filters];
-        else
-          return [subscriptions, filters]
-      }, [0, 0]);
-
-      statusStr = statusStr.replace(/\?1\?/, activeSubscriptions).replace(/\?2\?/, activeFilters);
-    }
-    statusDescr.setAttribute("value", statusStr);
-
-    let activeFilters = [];
-    E("abp-tooltip-blocked-label").hidden = (state != "active");
-    E("abp-tooltip-blocked").hidden = (state != "active");
-    if (state == "active")
-    {
-      let {getBrowser} = require("appSupport");
-      let stats = RequestNotifier.getWindowStatistics(getBrowser(window).contentWindow);
-
-      let blockedStr = Utils.getString("blocked_count_tooltip");
-      blockedStr = blockedStr.replace(/\?1\?/, stats ? stats.blocked : 0).replace(/\?2\?/, stats ? stats.items : 0);
-
-      if (stats && stats.whitelisted + stats.hidden)
-      {
-        blockedStr += " " + Utils.getString("blocked_count_addendum");
-        blockedStr = blockedStr.replace(/\?1\?/, stats.whitelisted).replace(/\?2\?/, stats.hidden);
-      }
-
-      E("abp-tooltip-blocked").setAttribute("value", blockedStr);
-
-      if (stats)
-      {
-        let filterSort = function(a, b)
-        {
-          return stats.filters[b] - stats.filters[a];
-        };
-        for (let filter in stats.filters)
-          activeFilters.push(filter);
-        activeFilters = activeFilters.sort(filterSort);
-      }
-
-      if (activeFilters.length > 0)
-      {
-        let filtersContainer = E("abp-tooltip-filters");
-        while (filtersContainer.firstChild)
-          filtersContainer.removeChild(filtersContainer.firstChild);
-
-        for (let i = 0; i < activeFilters.length && i < 3; i++)
-        {
-          let descr = filtersContainer.ownerDocument.createElement("description");
-          descr.setAttribute("value", activeFilters[i] + " (" + stats.filters[activeFilters[i]] + ")");
-          filtersContainer.appendChild(descr);
-        }
-      }
-    }
-
-    E("abp-tooltip-filters-label").hidden = (activeFilters.length == 0);
-    E("abp-tooltip-filters").hidden = (activeFilters.length == 0);
-    E("abp-tooltip-more-filters").hidden = (activeFilters.length <= 3);
-  },
-
-  /**
-   * Updates state of the icon context menu.
-   */
-  fillIconMenu: function(/**Event*/ event, /**Window*/ window, /**String*/ prefix)
-  {
-    function hideElement(id, hide)
-    {
-      let element = window.document.getElementById(id);
-      if (element)
-        element.hidden = hide;
-    }
-    function setChecked(id, checked)
-    {
-      let element = window.document.getElementById(id);
-      if (element)
-        element.setAttribute("checked", checked);
-    }
-    function setDisabled(id, disabled)
-    {
-      let element = window.document.getElementById(id);
-      if (element)
-        element.setAttribute("disabled", disabled);
-    }
-    function setDefault(id, isDefault)
-    {
-      let element = window.document.getElementById(id);
-      if (element)
-        element.setAttribute("default", isDefault);
-    }
-    function generateLabel(id, param)
-    {
-      let element = window.document.getElementById(id);
-      if (element)
-        element.setAttribute("label", element.getAttribute("labeltempl").replace(/\?1\?/, param));
-    }
-
-    let bottombarOpen = this.isBottombarOpen(window);
-    hideElement(prefix + "openbottombar", bottombarOpen);
-    hideElement(prefix + "closebottombar", !bottombarOpen);
-
-    hideElement(prefix + "whitelistsite", true);
-    hideElement(prefix + "whitelistpage", true);
-
-    let location = this.getCurrentLocation(window);
-    if (location && Policy.isBlockableScheme(location))
-    {
-      let host = null;
-      try
-      {
-        host = location.host.replace(/^www\./, "");
-      } catch (e) {}
-
-      if (host)
-      {
-        let ending = "|";
-        location = location.clone();
-        if (location instanceof Ci.nsIURL)
-          location.ref = "";
-        if (location instanceof Ci.nsIURL && location.query)
-        {
-          location.query = "";
-          ending = "?";
-        }
-
-        siteWhitelist = Filter.fromText("@@||" + host + "^$document");
-        setChecked(prefix + "whitelistsite", siteWhitelist.subscriptions.length && !siteWhitelist.disabled);
-        generateLabel(prefix + "whitelistsite", host);
-        hideElement(prefix + "whitelistsite", false);
-
-        pageWhitelist = Filter.fromText("@@|" + location.spec + ending + "$document");
-        setChecked(prefix + "whitelistpage", pageWhitelist.subscriptions.length && !pageWhitelist.disabled);
-        hideElement(prefix + "whitelistpage", false);
-      }
-      else
-      {
-        siteWhitelist = Filter.fromText("@@|" + location.spec + "|");
-        setChecked(prefix + "whitelistsite", siteWhitelist.subscriptions.length && !siteWhitelist.disabled);
-        generateLabel(prefix + "whitelistsite", location.spec.replace(/^mailto:/, ""));
-        hideElement(prefix + "whitelistsite", false);
-      }
-    }
-
-    setDisabled("abp-command-sendReport", !location || !Policy.isBlockableScheme(location) || location.scheme == "mailto");
-
-    setChecked(prefix + "disabled", !Prefs.enabled);
-    setChecked(prefix + "frameobjects", Prefs.frameobjects);
-    setChecked(prefix + "slowcollapse", !Prefs.fastcollapse);
-    setChecked(prefix + "savestats", Prefs.savestats);
-
-    let {defaultToolbarPosition, statusbarPosition} = require("appSupport");
-    let hasToolbar = defaultToolbarPosition;
-    let hasStatusBar = statusbarPosition;
-    hideElement(prefix + "showintoolbar", !hasToolbar || prefix == "abp-toolbar-");
-    hideElement(prefix + "showinstatusbar", !hasStatusBar);
-    hideElement(prefix + "iconSettingsSeparator", (prefix == "abp-toolbar-" || !hasToolbar) && !hasStatusBar);
-
-    setChecked(prefix + "showintoolbar", this.isToolbarIconVisible());
-    setChecked(prefix + "showinstatusbar", Prefs.showinstatusbar);
-
-    let {Sync} = require("sync");
-    let syncEngine = Sync.getEngine();
-    hideElement(prefix + "sync", !syncEngine);
-    setChecked(prefix + "sync", syncEngine && syncEngine.enabled);
-
-    let defAction = (!window.document.popupNode || window.document.popupNode.id == "abp-toolbarbutton" ?
-                     Prefs.defaulttoolbaraction :
-                     Prefs.defaultstatusbaraction);
-    setDefault(prefix + "openbottombar", defAction == 1);
-    setDefault(prefix + "closebottombar", defAction == 1);
-    setDefault(prefix + "filters", defAction == 2);
-    setDefault(prefix + "disabled", defAction == 3);
-
-    let popup = window.document.getElementById(prefix + "popup");
-    let items = (popup ? popup.querySelectorAll('menuitem[key]') : []);
-    for (let i = 0; i < items.length; i++)
-    {
-      let item = items[i];
-      let match = /^abp-key-/.exec(item.getAttribute("key"));
-      if (!match)
-        continue;
-
-      let name = match.input.substr(match.index + match[0].length);
-      if (!this.hotkeys)
-        this.configureKeys(window);
-      if (name in this.hotkeys)
-      {
-        let text = KeySelector.getTextForKey(this.hotkeys[name]);
-        if (text)
-          item.setAttribute("acceltext", text);
-        else
-          item.removeAttribute("acceltext");
-      }
-    }
-
-    hideElement(prefix + "contributebutton", Prefs.hideContributeButton);
-  },
-
-  /**
-   * Adds Adblock Plus menu items to the content area context menu when it shows
-   * up.
-   */
-  fillContentContextMenu: function(/**Element*/ popup)
-  {
-    let target = popup.triggerNode;
-    if (target instanceof Ci.nsIDOMHTMLMapElement || target instanceof Ci.nsIDOMHTMLAreaElement)
-    {
-      // HTML image maps will usually receive events when the mouse pointer is
-      // over a different element, get the real event target.
-      let rect = target.getClientRects()[0];
-      target = target.ownerDocument.elementFromPoint(Math.max(rect.left, 0), Math.max(rect.top, 0));
-    }
-
-    if (!target)
-      return;
-
-    let window = popup.ownerDocument.defaultView;
-    let menuItems = [];
-    let addMenuItem = function([node, nodeData])
-    {
-      let type = nodeData.typeDescr.toLowerCase();
-      if (type == "background")
-      {
-        type = "image";
-        node = null;
-      }
-
-      let label = this.overlay.attributes[type + "contextlabel"];
-      if (!label)
-        return;
-
-      let item = popup.ownerDocument.createElement("menuitem");
-      item.setAttribute("label", label);
-      item.setAttribute("class", "abp-contextmenuitem");
-      item.addEventListener("command", this.blockItem.bind(this, window, node, nodeData), false);
-      popup.appendChild(item);
-
-      menuItems.push(item);
-    }.bind(this);
-
-    // Look up data that we have for the node
-    let data = RequestNotifier.getDataForNode(target);
-    let hadImage = false;
-    if (data && !data[1].filter)
-    {
-      addMenuItem(data);
-      hadImage = (data[1].typeDescr == "IMAGE");
-    }
-
-    // Look for frame data
-    let wnd = Utils.getWindow(target);
-    if (wnd.frameElement)
-    {
-      let data = RequestNotifier.getDataForNode(wnd.frameElement, true);
-      if (data && !data[1].filter)
-        addMenuItem(data);
-    }
-
-    // Look for a background image
-    if (!hadImage)
-    {
-      let extractImageURL = function(computedStyle, property)
-      {
-        let value = computedStyle.getPropertyCSSValue(property);
-        // CSSValueList
-        if ("length" in value && value.length >= 1)
-          value = value[0];
-        // CSSValuePrimitiveType
-        if ("primitiveType" in value && value.primitiveType == value.CSS_URI)
-          return Utils.unwrapURL(value.getStringValue()).spec;
-
-        return null;
-      };
-
-      let node = target;
-      while (node)
-      {
-        if (node.nodeType == Ci.nsIDOMNode.ELEMENT_NODE)
-        {
-          let style = wnd.getComputedStyle(node, "");
-          let bgImage = extractImageURL(style, "background-image") || extractImageURL(style, "list-style-image");
-          if (bgImage)
-          {
-            let data = RequestNotifier.getDataForNode(wnd.document, true, Policy.type.IMAGE, bgImage);
-            if (data && !data[1].filter)
-            {
-              addMenuItem(data);
-              break;
-            }
-          }
-        }
-
-        node = node.parentNode;
-      }
-    }
-
-    // Add "Remove exception" menu item if necessary
-    let location = this.getCurrentLocation(window);
-    let filter = (location ? Policy.isWhitelisted(location.spec) : null);
-    if (filter && filter.subscriptions.length && !filter.disabled)
-    {
-      let label = this.overlay.attributes.whitelistcontextlabel;
-      if (!label)
-        return;
-
-      let item = popup.ownerDocument.createElement("menuitem");
-      item.setAttribute("label", label);
-      item.setAttribute("class", "abp-contextmenuitem");
-      item.addEventListener("command", this.toggleFilter.bind(this, filter), false);
-      popup.appendChild(item);
-
-      menuItems.push(item);
-    }
-
-    // Make sure to clean up everything once the context menu is closed
-    if (menuItems.length)
-    {
-      let cleanUp = function(event)
-      {
-        if (event.eventPhase != event.AT_TARGET)
-          return;
-
-        popup.removeEventListener("popuphidden", cleanUp, false);
-        for (let i = 0; i < menuItems.length; i++)
-          if (menuItems[i].parentNode)
-            menuItems[i].parentNode.removeChild(menuItems[i]);
-      }.bind(this);
-      popup.addEventListener("popuphidden", cleanUp, false);
-    }
-  },
-
-  /**
-   * Called when the user presses a key in the application window, reacts to our
-   * shortcut keys.
-   */
-  onKeyPress: function(/**Event*/ event)
-  {
-    if (!this.hotkeys)
-      this.configureKeys(event.currentTarget);
-
-    for (let key in this.hotkeys)
-    {
-      if (KeySelector.matchesKey(event, this.hotkeys[key]))
-      {
-        event.preventDefault();
-        let command = event.currentTarget.document.getElementById("abp-command-" + key);
-        if (command)
-          command.doCommand();
-      }
-    }
-  },
-
-  /**
-   * Checks whether the toolbar icon is currently displayed.
-   */
-  isToolbarIconVisible: function() /**Boolean*/
-  {
-    if (!CustomizableUI)
-      return false;
-    let placement = CustomizableUI.getPlacementOfWidget("abp-toolbarbutton");
-    return !!placement;
-  },
-
-  /**
-   * Stores the selected hotkeys, initialized when the user presses a key.
-   */
-  hotkeys: null,
-
-  /**
-   * Chooses shortcut keys that are available in the window according to
-   * preferences.
-   */
-  configureKeys: function(/**Window*/ window)
-  {
-    let selector = new KeySelector(window);
-
-    this.hotkeys = {};
-    for (let name in Prefs)
-    {
-      let match = /_key$/.exec(name);
-      if (match && typeof Prefs[name] == "string")
-      {
-        let keyName = match.input.substr(0, match.index);
-        this.hotkeys[keyName] = selector.selectKey(Prefs[name]);
-      }
-    }
-  },
-
-  /**
-   * Toggles open/closed state of the blockable items list.
-   */
-  toggleBottombar: function(/**Window*/ window)
-  {
-    if (detachedBottombar && !detachedBottombar.closed)
-    {
-      detachedBottombar.close();
-      detachedBottombar = null;
-    }
-    else
-    {
-      let {addBottomBar, removeBottomBar, getBrowser} = require("appSupport");
-      let mustDetach = !addBottomBar || !removeBottomBar || !("abp-bottombar-container" in this.overlay);
-      let detach = mustDetach || Prefs.detachsidebar;
-      if (!detach && window.document.getElementById("abp-bottombar"))
-      {
-        removeBottomBar(window);
-
-        let browser = (getBrowser ? getBrowser(window) : null);
-        if (browser)
-          browser.contentWindow.focus();
-      }
-      else if (!detach)
-      {
-        addBottomBar(window, this.overlay["abp-bottombar-container"]);
-        let element = window.document.getElementById("abp-bottombar");
-        if (element)
-        {
-          element.setAttribute("width", Prefs.blockableItemsSize.width);
-          element.setAttribute("height", Prefs.blockableItemsSize.height);
-
-          let splitter = window.document.getElementById("abp-bottombar-splitter");
-          if (splitter)
-          {
-            splitter.addEventListener("command", function()
-            {
-              Prefs.blockableItemsSize = {width: element.width, height: element.height};
-            }, false);
-          }
-        }
-      }
-      else
-        detachedBottombar = window.openDialog("chrome://adblockplus/content/ui/sidebarDetached.xul", "_blank", "chrome,resizable,dependent,dialog=no", mustDetach);
-    }
-  },
-
-  /**
-   * Hide contribute button and persist this choice.
-   */
-  hideContributeButton: function(/**Window*/ window)
-  {
-    Prefs.hideContributeButton = true;
-
-    for (let id of ["abp-status-contributebutton", "abp-toolbar-contributebutton", "abp-menuitem-contributebutton"])
-    {
-      let button = window.document.getElementById(id);
-      if (button)
-        button.hidden = true;
-    }
-  },
-
-  showNextNotification: function(url)
-  {
-    let window = this.currentWindow;
-    if (!window)
-      return;
-
-    let button = window.document.getElementById("abp-toolbarbutton")
-      || window.document.getElementById("abp-status");
-    if (!button)
-      return;
-
-    let notification = Notification.getNextToShow(url);
-    if (!notification)
-      return;
-
-    this._showNotification(window, button, notification);
-  },
-
-  _showNotification: function(window, button, notification)
-  {
-    let panel = window.document.getElementById("abp-notification");
-    if (panel.state !== "closed")
-      return;
-
-    function insertMessage(element, text, links)
-    {
-      let match = /^(.*?)<(a|strong)>(.*?)<\/\2>(.*)$/.exec(text);
-      if (!match)
-      {
-        element.appendChild(window.document.createTextNode(text));
-        return;
-      }
-
-      let [_, before, tagName, value, after] = match;
-
-      insertMessage(element, before, links);
-
-      let newElement = window.document.createElementNS("http://www.w3.org/1999/xhtml", tagName);
-      if (tagName === "a" && links && links.length)
-        newElement.setAttribute("href", links.shift());
-      insertMessage(newElement, value, links);
-      element.appendChild(newElement);
-
-      insertMessage(element, after, links);
-    }
-
-    let texts = Notification.getLocalizedTexts(notification);
-    let titleElement = window.document.getElementById("abp-notification-title");
-    titleElement.textContent = texts.title;
-    let messageElement = window.document.getElementById("abp-notification-message");
-    messageElement.innerHTML = "";
-    let docLinks = [];
-    for (let link of notification.links)
-      docLinks.push(Utils.getDocLink(link));
-    insertMessage(messageElement, texts.message, docLinks);
-
-    messageElement.addEventListener("click", function(event)
-    {
-      let link = event.target;
-      while (link && link !== messageElement && link.localName !== "a")
-        link = link.parentNode;
-      if (!link || link.localName !== "a")
-        return;
-      event.preventDefault();
-      event.stopPropagation();
-      this.loadInBrowser(link.href, window);
-    }.bind(this));
-
-    if (notification.type === "question")
-    {
-      function buttonHandler(approved, event)
-      {
-        event.preventDefault();
-        event.stopPropagation();
-        panel.hidePopup();
-        Notification.triggerQuestionListeners(notification.id, approved)
-        Notification.markAsShown(notification.id);
-      }
-      window.document.getElementById("abp-notification-yes").onclick = buttonHandler.bind(null, true);
-      window.document.getElementById("abp-notification-no").onclick = buttonHandler.bind(null, false);
-    }
-
-    panel.setAttribute("class", "abp-" + notification.type);
-    panel.setAttribute("noautohide", notification.type === "question");
-    panel.openPopup(button, "bottomcenter topcenter", 0, 0, false, false, null);
-  }
-};
-UI.onPopupShowing = UI.onPopupShowing.bind(UI);
-UI.onKeyPress = UI.onKeyPress.bind(UI);
-UI.onIconClick = UI.onIconClick.bind(UI);
-UI.init();
-
-/**
- * List of event handers to be registered for each window. For each event
- * handler the element ID, event and the actual event handler are listed.
- * @type Array
- */
-let eventHandlers = [
-  ["abp-command-sendReport", "command", UI.openReportDialog.bind(UI)],
-  ["abp-command-filters", "command", UI.openFiltersDialog.bind(UI)],
-  ["abp-command-sidebar", "command", UI.toggleBottombar.bind(UI)],
-  ["abp-command-togglesitewhitelist", "command", function() { UI.toggleFilter(siteWhitelist); }],
-  ["abp-command-togglepagewhitelist", "command", function() { UI.toggleFilter(pageWhitelist); }],
-  ["abp-command-toggleobjtabs", "command", UI.togglePref.bind(UI, "frameobjects")],
-  ["abp-command-togglecollapse", "command", UI.togglePref.bind(UI, "fastcollapse")],
-  ["abp-command-togglesavestats", "command", UI.toggleSaveStats.bind(UI)],
-  ["abp-command-togglesync", "command", UI.toggleSync.bind(UI)],
-  ["abp-command-toggleshowintoolbar", "command", UI.toggleToolbarIcon.bind(UI)],
-  ["abp-command-toggleshowinstatusbar", "command", UI.togglePref.bind(UI, "showinstatusbar")],
-  ["abp-command-enable", "command", UI.togglePref.bind(UI, "enabled")],
-  ["abp-command-contribute", "command", UI.openContributePage.bind(UI)],
-  ["abp-command-contribute-hide", "command", UI.hideContributeButton.bind(UI)]
-];
-
-onShutdown.add(function()
-{
-  for (let window in UI.applicationWindows)
-    if (UI.isBottombarOpen(window))
-      UI.toggleBottombar(window);
-});
-- 
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