Remove the WebExtension Add-on Manager from our tree.

Tag #936

1 files changed, 0 insertions, 3827 deletions

diff --git a/toolkit/mozapps/webextensions/content/extensions.js b/toolkit/mozapps/webextensions/content/extensions.js
deleted file mode 100644
index 3159eb1e1..000000000
--- a/toolkit/mozapps/webextensions/content/extensions.js
+++ /dev/null
@@ -1,3827 +0,0 @@
-/* This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
-
-"use strict";
-
-/* import-globals-from ../../../content/contentAreaUtils.js */
-/* globals XMLStylesheetProcessingInstruction*/
-
-var Cc = Components.classes;
-var Ci = Components.interfaces;
-var Cu = Components.utils;
-var Cr = Components.results;
-
-Cu.import("resource://gre/modules/XPCOMUtils.jsm");
-Cu.import("resource://gre/modules/Services.jsm");
-Cu.import("resource://gre/modules/DownloadUtils.jsm");
-Cu.import("resource://gre/modules/AddonManager.jsm");
-Cu.import("resource://gre/modules/addons/AddonRepository.jsm");
-
-const CONSTANTS = {};
-Cu.import("resource://gre/modules/addons/AddonConstants.jsm", CONSTANTS);
-const SIGNING_REQUIRED = CONSTANTS.REQUIRE_SIGNING ?
-                         true :
-                         Services.prefs.getBoolPref("xpinstall.signatures.required");
-
-XPCOMUtils.defineLazyModuleGetter(this, "PluralForm",
-                                  "resource://gre/modules/PluralForm.jsm");
-XPCOMUtils.defineLazyModuleGetter(this, "Preferences",
-                                  "resource://gre/modules/Preferences.jsm");
-
-const PREF_DISCOVERURL = "extensions.webservice.discoverURL";
-const PREF_DISCOVER_ENABLED = "extensions.getAddons.showPane";
-const PREF_XPI_ENABLED = "xpinstall.enabled";
-const PREF_MAXRESULTS = "extensions.getAddons.maxResults";
-const PREF_GETADDONS_CACHE_ENABLED = "extensions.getAddons.cache.enabled";
-const PREF_GETADDONS_CACHE_ID_ENABLED = "extensions.%ID%.getAddons.cache.enabled";
-const PREF_UI_TYPE_HIDDEN = "extensions.ui.%TYPE%.hidden";
-const PREF_UI_LASTCATEGORY = "extensions.ui.lastCategory";
-
-const LOADING_MSG_DELAY = 100;
-
-const SEARCH_SCORE_MULTIPLIER_NAME = 2;
-const SEARCH_SCORE_MULTIPLIER_DESCRIPTION = 2;
-
-// Use integers so search scores are sortable by nsIXULSortService
-const SEARCH_SCORE_MATCH_WHOLEWORD = 10;
-const SEARCH_SCORE_MATCH_WORDBOUNDRY = 6;
-const SEARCH_SCORE_MATCH_SUBSTRING = 3;
-
-const UPDATES_RECENT_TIMESPAN = 2 * 24 * 3600000; // 2 days (in milliseconds)
-const UPDATES_RELEASENOTES_TRANSFORMFILE = "chrome://mozapps/content/extensions/updateinfo.xsl";
-
-const XMLURI_PARSE_ERROR = "http://www.mozilla.org/newlayout/xml/parsererror.xml"
-
-var gViewDefault = "addons://discover/";
-
-var gStrings = {};
-XPCOMUtils.defineLazyServiceGetter(gStrings, "bundleSvc",
-                                   "@mozilla.org/intl/stringbundle;1",
-                                   "nsIStringBundleService");
-
-XPCOMUtils.defineLazyGetter(gStrings, "brand", function() {
-  return this.bundleSvc.createBundle("chrome://branding/locale/brand.properties");
-});
-XPCOMUtils.defineLazyGetter(gStrings, "ext", function() {
-  return this.bundleSvc.createBundle("chrome://mozapps/locale/extensions/extensions.properties");
-});
-XPCOMUtils.defineLazyGetter(gStrings, "dl", function() {
-  return this.bundleSvc.createBundle("chrome://mozapps/locale/downloads/downloads.properties");
-});
-
-XPCOMUtils.defineLazyGetter(gStrings, "brandShortName", function() {
-  return this.brand.GetStringFromName("brandShortName");
-});
-XPCOMUtils.defineLazyGetter(gStrings, "appVersion", function() {
-  return Services.appinfo.version;
-});
-
-document.addEventListener("load", initialize, true);
-window.addEventListener("unload", shutdown, false);
-
-class MessageDispatcher {
-  constructor(target) {
-    this.listeners = new Map();
-    this.target = target;
-  }
-
-  addMessageListener(name, handler) {
-    if (!this.listeners.has(name)) {
-      this.listeners.set(name, new Set());
-    }
-
-    this.listeners.get(name).add(handler);
-  }
-
-  removeMessageListener(name, handler) {
-    if (this.listeners.has(name)) {
-      this.listeners.get(name).delete(handler);
-    }
-  }
-
-  sendAsyncMessage(name, data) {
-    for (let handler of this.listeners.get(name) || new Set()) {
-      Promise.resolve().then(() => {
-        handler.receiveMessage({
-          name,
-          data,
-          target: this.target,
-        });
-      });
-    }
-  }
-}
-
-/**
- * A mock FrameMessageManager global to allow frame scripts to run in
- * non-top-level, non-remote <browser>s as if they were top-level or
- * remote.
- *
- * @param {Element} browser
- *        A XUL <browser> element.
- */
-class FakeFrameMessageManager {
-  constructor(browser) {
-    let dispatcher = new MessageDispatcher(browser);
-    let frameDispatcher = new MessageDispatcher(null);
-
-    this.sendAsyncMessage = frameDispatcher.sendAsyncMessage.bind(frameDispatcher);
-    this.addMessageListener = dispatcher.addMessageListener.bind(dispatcher);
-    this.removeMessageListener = dispatcher.removeMessageListener.bind(dispatcher);
-
-    this.frame = {
-      get content() {
-        return browser.contentWindow;
-      },
-
-      get docShell() {
-        return browser.docShell;
-      },
-
-      addEventListener: browser.addEventListener.bind(browser),
-      removeEventListener: browser.removeEventListener.bind(browser),
-
-      sendAsyncMessage: dispatcher.sendAsyncMessage.bind(dispatcher),
-      addMessageListener: frameDispatcher.addMessageListener.bind(frameDispatcher),
-      removeMessageListener: frameDispatcher.removeMessageListener.bind(frameDispatcher),
-    }
-  }
-
-  loadFrameScript(url) {
-    Services.scriptloader.loadSubScript(url, Object.create(this.frame));
-  }
-}
-
-var gPendingInitializations = 1;
-Object.defineProperty(this, "gIsInitializing", {
-  get: () => gPendingInitializations > 0
-});
-
-function initialize(event) {
-  // XXXbz this listener gets _all_ load events for all nodes in the
-  // document... but relies on not being called "too early".
-  if (event.target instanceof XMLStylesheetProcessingInstruction) {
-    return;
-  }
-  document.removeEventListener("load", initialize, true);
-
-  let globalCommandSet = document.getElementById("globalCommandSet");
-  globalCommandSet.addEventListener("command", function(event) {
-    gViewController.doCommand(event.target.id);
-  });
-
-  let viewCommandSet = document.getElementById("viewCommandSet");
-  viewCommandSet.addEventListener("commandupdate", function(event) {
-    gViewController.updateCommands();
-  });
-  viewCommandSet.addEventListener("command", function(event) {
-    gViewController.doCommand(event.target.id);
-  });
-
-  let detailScreenshot = document.getElementById("detail-screenshot");
-  detailScreenshot.addEventListener("load", function(event) {
-    this.removeAttribute("loading");
-  });
-  detailScreenshot.addEventListener("error", function(event) {
-    this.setAttribute("loading", "error");
-  });
-
-  let addonPage = document.getElementById("addons-page");
-  addonPage.addEventListener("dragenter", function(event) {
-    gDragDrop.onDragOver(event);
-  });
-  addonPage.addEventListener("dragover", function(event) {
-    gDragDrop.onDragOver(event);
-  });
-  addonPage.addEventListener("drop", function(event) {
-    gDragDrop.onDrop(event);
-  });
-  addonPage.addEventListener("keypress", function(event) {
-    gHeader.onKeyPress(event);
-  });
-
-  if (!isDiscoverEnabled()) {
-    gViewDefault = "addons://list/extension";
-  }
-
-  gViewController.initialize();
-  gCategories.initialize();
-  gHeader.initialize();
-  gEventManager.initialize();
-  Services.obs.addObserver(sendEMPong, "EM-ping", false);
-  Services.obs.notifyObservers(window, "EM-loaded", "");
-
-  // If the initial view has already been selected (by a call to loadView from
-  // the above notifications) then bail out now
-  if (gViewController.initialViewSelected)
-    return;
-
-  // If there is a history state to restore then use that
-  if (window.history.state) {
-    gViewController.updateState(window.history.state);
-    return;
-  }
-
-  // Default to the last selected category
-  var view = gCategories.node.value;
-
-  // Allow passing in a view through the window arguments
-  if ("arguments" in window && window.arguments.length > 0 &&
-      window.arguments[0] !== null && "view" in window.arguments[0]) {
-    view = window.arguments[0].view;
-  }
-
-  gViewController.loadInitialView(view);
-}
-
-function notifyInitialized() {
-  if (!gIsInitializing)
-    return;
-
-  gPendingInitializations--;
-  if (!gIsInitializing) {
-    var event = document.createEvent("Events");
-    event.initEvent("Initialized", true, true);
-    document.dispatchEvent(event);
-  }
-}
-
-function shutdown() {
-  gCategories.shutdown();
-  gSearchView.shutdown();
-  gEventManager.shutdown();
-  gViewController.shutdown();
-  Services.obs.removeObserver(sendEMPong, "EM-ping");
-}
-
-function sendEMPong(aSubject, aTopic, aData) {
-  Services.obs.notifyObservers(window, "EM-pong", "");
-}
-
-// Used by external callers to load a specific view into the manager
-function loadView(aViewId) {
-  if (!gViewController.initialViewSelected) {
-    // The caller opened the window and immediately loaded the view so it
-    // should be the initial history entry
-
-    gViewController.loadInitialView(aViewId);
-  } else {
-    gViewController.loadView(aViewId);
-  }
-}
-
-function isCorrectlySigned(aAddon) {
-  // Add-ons without an "isCorrectlySigned" property are correctly signed as
-  // they aren't the correct type for signing.
-  return aAddon.isCorrectlySigned !== false;
-}
-
-function isDiscoverEnabled() {
-  if (Services.prefs.getPrefType(PREF_DISCOVERURL) == Services.prefs.PREF_INVALID)
-    return false;
-
-  try {
-    if (!Services.prefs.getBoolPref(PREF_DISCOVER_ENABLED))
-      return false;
-  } catch (e) {}
-
-  try {
-    if (!Services.prefs.getBoolPref(PREF_XPI_ENABLED))
-      return false;
-  } catch (e) {}
-
-  return true;
-}
-
-/**
- * Obtain the main DOMWindow for the current context.
- */
-function getMainWindow() {
-  return window.QueryInterface(Ci.nsIInterfaceRequestor)
-               .getInterface(Ci.nsIWebNavigation)
-               .QueryInterface(Ci.nsIDocShellTreeItem)
-               .rootTreeItem
-               .QueryInterface(Ci.nsIInterfaceRequestor)
-               .getInterface(Ci.nsIDOMWindow);
-}
-
-function getBrowserElement() {
-  return window.QueryInterface(Ci.nsIInterfaceRequestor)
-               .getInterface(Ci.nsIDocShell)
-               .chromeEventHandler;
-}
-
-/**
- * Obtain the DOMWindow that can open a preferences pane.
- *
- * This is essentially "get the browser chrome window" with the added check
- * that the supposed browser chrome window is capable of opening a preferences
- * pane.
- *
- * This may return null if we can't find the browser chrome window.
- */
-function getMainWindowWithPreferencesPane() {
-  let mainWindow = getMainWindow();
-  if (mainWindow && "openAdvancedPreferences" in mainWindow) {
-    return mainWindow;
-  }
-  return null;
-}
-
-/**
- * A wrapper around the HTML5 session history service that allows the browser
- * back/forward controls to work within the manager
- */
-var HTML5History = {
-  get index() {
-    return window.QueryInterface(Ci.nsIInterfaceRequestor)
-                 .getInterface(Ci.nsIWebNavigation)
-                 .sessionHistory.index;
-  },
-
-  get canGoBack() {
-    return window.QueryInterface(Ci.nsIInterfaceRequestor)
-                 .getInterface(Ci.nsIWebNavigation)
-                 .canGoBack;
-  },
-
-  get canGoForward() {
-    return window.QueryInterface(Ci.nsIInterfaceRequestor)
-                 .getInterface(Ci.nsIWebNavigation)
-                 .canGoForward;
-  },
-
-  back: function() {
-    window.history.back();
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  },
-
-  forward: function() {
-    window.history.forward();
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  },
-
-  pushState: function(aState) {
-    window.history.pushState(aState, document.title);
-  },
-
-  replaceState: function(aState) {
-    window.history.replaceState(aState, document.title);
-  },
-
-  popState: function() {
-    function onStatePopped(aEvent) {
-      window.removeEventListener("popstate", onStatePopped, true);
-      // TODO To ensure we can't go forward again we put an additional entry
-      // for the current state into the history. Ideally we would just strip
-      // the history but there doesn't seem to be a way to do that. Bug 590661
-      window.history.pushState(aEvent.state, document.title);
-    }
-    window.addEventListener("popstate", onStatePopped, true);
-    window.history.back();
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  }
-};
-
-/**
- * A wrapper around a fake history service
- */
-var FakeHistory = {
-  pos: 0,
-  states: [null],
-
-  get index() {
-    return this.pos;
-  },
-
-  get canGoBack() {
-    return this.pos > 0;
-  },
-
-  get canGoForward() {
-    return (this.pos + 1) < this.states.length;
-  },
-
-  back: function() {
-    if (this.pos == 0)
-      throw Components.Exception("Cannot go back from this point");
-
-    this.pos--;
-    gViewController.updateState(this.states[this.pos]);
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  },
-
-  forward: function() {
-    if ((this.pos + 1) >= this.states.length)
-      throw Components.Exception("Cannot go forward from this point");
-
-    this.pos++;
-    gViewController.updateState(this.states[this.pos]);
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  },
-
-  pushState: function(aState) {
-    this.pos++;
-    this.states.splice(this.pos, this.states.length);
-    this.states.push(aState);
-  },
-
-  replaceState: function(aState) {
-    this.states[this.pos] = aState;
-  },
-
-  popState: function() {
-    if (this.pos == 0)
-      throw Components.Exception("Cannot popState from this view");
-
-    this.states.splice(this.pos, this.states.length);
-    this.pos--;
-
-    gViewController.updateState(this.states[this.pos]);
-    gViewController.updateCommand("cmd_back");
-    gViewController.updateCommand("cmd_forward");
-  }
-};
-
-// If the window has a session history then use the HTML5 History wrapper
-// otherwise use our fake history implementation
-if (window.QueryInterface(Ci.nsIInterfaceRequestor)
-          .getInterface(Ci.nsIWebNavigation)
-          .sessionHistory) {
-  var gHistory = HTML5History;
-}
-else {
-  gHistory = FakeHistory;
-}
-
-var gEventManager = {
-  _listeners: {},
-  _installListeners: [],
-
-  initialize: function() {
-    const ADDON_EVENTS = ["onEnabling", "onEnabled", "onDisabling",
-                          "onDisabled", "onUninstalling", "onUninstalled",
-                          "onInstalled", "onOperationCancelled",
-                          "onUpdateAvailable", "onUpdateFinished",
-                          "onCompatibilityUpdateAvailable",
-                          "onPropertyChanged"];
-    for (let evt of ADDON_EVENTS) {
-      let event = evt;
-      this[event] = (...aArgs) => this.delegateAddonEvent(event, aArgs);
-    }
-
-    const INSTALL_EVENTS = ["onNewInstall", "onDownloadStarted",
-                            "onDownloadEnded", "onDownloadFailed",
-                            "onDownloadProgress", "onDownloadCancelled",
-                            "onInstallStarted", "onInstallEnded",
-                            "onInstallFailed", "onInstallCancelled",
-                            "onExternalInstall"];
-    for (let evt of INSTALL_EVENTS) {
-      let event = evt;
-      this[event] = (...aArgs) => this.delegateInstallEvent(event, aArgs);
-    }
-
-    AddonManager.addManagerListener(this);
-    AddonManager.addInstallListener(this);
-    AddonManager.addAddonListener(this);
-
-    this.refreshGlobalWarning();
-    this.refreshAutoUpdateDefault();
-
-    var contextMenu = document.getElementById("addonitem-popup");
-    contextMenu.addEventListener("popupshowing", function() {
-      var addon = gViewController.currentViewObj.getSelectedAddon();
-      contextMenu.setAttribute("addontype", addon.type);
-
-      var menuSep = document.getElementById("addonitem-menuseparator");
-      var countMenuItemsBeforeSep = 0;
-      for (let child of contextMenu.children) {
-        if (child == menuSep) {
-          break;
-        }
-        if (child.nodeName == "menuitem" &&
-          gViewController.isCommandEnabled(child.command)) {
-            countMenuItemsBeforeSep++;
-        }
-      }
-
-      // Hide the separator if there are no visible menu items before it
-      menuSep.hidden = (countMenuItemsBeforeSep == 0);
-
-    }, false);
-
-    let addonTooltip = document.getElementById("addonitem-tooltip");
-    addonTooltip.addEventListener("popupshowing", function() {
-      let addonItem = addonTooltip.triggerNode;
-      // The way the test triggers the tooltip the richlistitem is the
-      // tooltipNode but in normal use it is the anonymous node. This allows
-      // any case
-      if (addonItem.localName != "richlistitem")
-        addonItem = document.getBindingParent(addonItem);
-
-      let tiptext = addonItem.getAttribute("name");
-
-      if (addonItem.mAddon) {
-        if (shouldShowVersionNumber(addonItem.mAddon)) {
-          tiptext += " " + (addonItem.hasAttribute("upgrade") ? addonItem.mManualUpdate.version
-                                                              : addonItem.mAddon.version);
-        }
-      }
-      else if (shouldShowVersionNumber(addonItem.mInstall)) {
-        tiptext += " " + addonItem.mInstall.version;
-      }
-
-      addonTooltip.label = tiptext;
-    }, false);
-  },
-
-  shutdown: function() {
-    AddonManager.removeManagerListener(this);
-    AddonManager.removeInstallListener(this);
-    AddonManager.removeAddonListener(this);
-  },
-
-  registerAddonListener: function(aListener, aAddonId) {
-    if (!(aAddonId in this._listeners))
-      this._listeners[aAddonId] = [];
-    else if (this._listeners[aAddonId].indexOf(aListener) != -1)
-      return;
-    this._listeners[aAddonId].push(aListener);
-  },
-
-  unregisterAddonListener: function(aListener, aAddonId) {
-    if (!(aAddonId in this._listeners))
-      return;
-    var index = this._listeners[aAddonId].indexOf(aListener);
-    if (index == -1)
-      return;
-    this._listeners[aAddonId].splice(index, 1);
-  },
-
-  registerInstallListener: function(aListener) {
-    if (this._installListeners.indexOf(aListener) != -1)
-      return;
-    this._installListeners.push(aListener);
-  },
-
-  unregisterInstallListener: function(aListener) {
-    var i = this._installListeners.indexOf(aListener);
-    if (i == -1)
-      return;
-    this._installListeners.splice(i, 1);
-  },
-
-  delegateAddonEvent: function(aEvent, aParams) {
-    var addon = aParams.shift();
-    if (!(addon.id in this._listeners))
-      return;
-
-    var listeners = this._listeners[addon.id];
-    for (let listener of listeners) {
-      if (!(aEvent in listener))
-        continue;
-      try {
-        listener[aEvent].apply(listener, aParams);
-      } catch (e) {
-        // this shouldn't be fatal
-        Cu.reportError(e);
-      }
-    }
-  },
-
-  delegateInstallEvent: function(aEvent, aParams) {
-    var existingAddon = aEvent == "onExternalInstall" ? aParams[1] : aParams[0].existingAddon;
-    // If the install is an update then send the event to all listeners
-    // registered for the existing add-on
-    if (existingAddon)
-      this.delegateAddonEvent(aEvent, [existingAddon].concat(aParams));
-
-    for (let listener of this._installListeners) {
-      if (!(aEvent in listener))
-        continue;
-      try {
-        listener[aEvent].apply(listener, aParams);
-      } catch (e) {
-        // this shouldn't be fatal
-        Cu.reportError(e);
-      }
-    }
-  },
-
-  refreshGlobalWarning: function() {
-    var page = document.getElementById("addons-page");
-
-    if (Services.appinfo.inSafeMode) {
-      page.setAttribute("warning", "safemode");
-      return;
-    }
-
-    if (AddonManager.checkUpdateSecurityDefault &&
-        !AddonManager.checkUpdateSecurity) {
-      page.setAttribute("warning", "updatesecurity");
-      return;
-    }
-
-    if (!AddonManager.checkCompatibility) {
-      page.setAttribute("warning", "checkcompatibility");
-      return;
-    }
-
-    page.removeAttribute("warning");
-  },
-
-  refreshAutoUpdateDefault: function() {
-    var updateEnabled = AddonManager.updateEnabled;
-    var autoUpdateDefault = AddonManager.autoUpdateDefault;
-
-    // The checkbox needs to reflect that both prefs need to be true
-    // for updates to be checked for and applied automatically
-    document.getElementById("utils-autoUpdateDefault")
-            .setAttribute("checked", updateEnabled && autoUpdateDefault);
-
-    document.getElementById("utils-resetAddonUpdatesToAutomatic").hidden = !autoUpdateDefault;
-    document.getElementById("utils-resetAddonUpdatesToManual").hidden = autoUpdateDefault;
-  },
-
-  onCompatibilityModeChanged: function() {
-    this.refreshGlobalWarning();
-  },
-
-  onCheckUpdateSecurityChanged: function() {
-    this.refreshGlobalWarning();
-  },
-
-  onUpdateModeChanged: function() {
-    this.refreshAutoUpdateDefault();
-  }
-};
-
-
-var gViewController = {
-  viewPort: null,
-  currentViewId: "",
-  currentViewObj: null,
-  currentViewRequest: 0,
-  viewObjects: {},
-  viewChangeCallback: null,
-  initialViewSelected: false,
-  lastHistoryIndex: -1,
-
-  initialize: function() {
-    this.viewPort = document.getElementById("view-port");
-    this.headeredViews = document.getElementById("headered-views");
-    this.headeredViewsDeck = document.getElementById("headered-views-content");
-
-    this.viewObjects["search"] = gSearchView;
-    this.viewObjects["discover"] = gDiscoverView;
-    this.viewObjects["list"] = gListView;
-    this.viewObjects["detail"] = gDetailView;
-    this.viewObjects["updates"] = gUpdatesView;
-
-    for (let type in this.viewObjects) {
-      let view = this.viewObjects[type];
-      view.initialize();
-    }
-
-    window.controllers.appendController(this);
-
-    window.addEventListener("popstate", function(e) {
-                              gViewController.updateState(e.state);
-                            },
-                            false);
-  },
-
-  shutdown: function() {
-    if (this.currentViewObj)
-      this.currentViewObj.hide();
-    this.currentViewRequest = 0;
-
-    for (let type in this.viewObjects) {
-      let view = this.viewObjects[type];
-      if ("shutdown" in view) {
-        try {
-          view.shutdown();
-        } catch (e) {
-          // this shouldn't be fatal
-          Cu.reportError(e);
-        }
-      }
-    }
-
-    window.controllers.removeController(this);
-  },
-
-  updateState: function(state) {
-    try {
-      this.loadViewInternal(state.view, state.previousView, state);
-      this.lastHistoryIndex = gHistory.index;
-    }
-    catch (e) {
-      // The attempt to load the view failed, try moving further along history
-      if (this.lastHistoryIndex > gHistory.index) {
-        if (gHistory.canGoBack)
-          gHistory.back();
-        else
-          gViewController.replaceView(gViewDefault);
-      } else if (gHistory.canGoForward) {
-        gHistory.forward();
-      } else {
-        gViewController.replaceView(gViewDefault);
-      }
-    }
-  },
-
-  parseViewId: function(aViewId) {
-    var matchRegex = /^addons:\/\/([^\/]+)\/(.*)$/;
-    var [, viewType, viewParam] = aViewId.match(matchRegex) || [];
-    return {type: viewType, param: decodeURIComponent(viewParam)};
-  },
-
-  get isLoading() {
-    return !this.currentViewObj || this.currentViewObj.node.hasAttribute("loading");
-  },
-
-  loadView: function(aViewId) {
-    var isRefresh = false;
-    if (aViewId == this.currentViewId) {
-      if (this.isLoading)
-        return;
-      if (!("refresh" in this.currentViewObj))
-        return;
-      if (!this.currentViewObj.canRefresh())
-        return;
-      isRefresh = true;
-    }
-
-    var state = {
-      view: aViewId,
-      previousView: this.currentViewId
-    };
-    if (!isRefresh) {
-      gHistory.pushState(state);
-      this.lastHistoryIndex = gHistory.index;
-    }
-    this.loadViewInternal(aViewId, this.currentViewId, state);
-  },
-
-  // Replaces the existing view with a new one, rewriting the current history
-  // entry to match.
-  replaceView: function(aViewId) {
-    if (aViewId == this.currentViewId)
-      return;
-
-    var state = {
-      view: aViewId,
-      previousView: null
-    };
-    gHistory.replaceState(state);
-    this.loadViewInternal(aViewId, null, state);
-  },
-
-  loadInitialView: function(aViewId) {
-    var state = {
-      view: aViewId,
-      previousView: null
-    };
-    gHistory.replaceState(state);
-
-    this.loadViewInternal(aViewId, null, state);
-    this.initialViewSelected = true;
-    notifyInitialized();
-  },
-
-  get displayedView() {
-    if (this.viewPort.selectedPanel == this.headeredViews) {
-      return this.headeredViewsDeck.selectedPanel;
-    }
-    return this.viewPort.selectedPanel;
-  },
-
-  set displayedView(view) {
-    let node = view.node;
-    if (node.parentNode == this.headeredViewsDeck) {
-      this.headeredViewsDeck.selectedPanel = node;
-      this.viewPort.selectedPanel = this.headeredViews;
-    } else {
-      this.viewPort.selectedPanel = node;
-    }
-  },
-
-  loadViewInternal: function(aViewId, aPreviousView, aState) {
-    var view = this.parseViewId(aViewId);
-
-    if (!view.type || !(view.type in this.viewObjects))
-      throw Components.Exception("Invalid view: " + view.type);
-
-    var viewObj = this.viewObjects[view.type];
-    if (!viewObj.node)
-      throw Components.Exception("Root node doesn't exist for '" + view.type + "' view");
-
-    if (this.currentViewObj && aViewId != aPreviousView) {
-      try {
-        let canHide = this.currentViewObj.hide();
-        if (canHide === false)
-          return;
-        this.displayedView.removeAttribute("loading");
-      } catch (e) {
-        // this shouldn't be fatal
-        Cu.reportError(e);
-      }
-    }
-
-    gCategories.select(aViewId, aPreviousView);
-
-    this.currentViewId = aViewId;
-    this.currentViewObj = viewObj;
-
-    this.displayedView = this.currentViewObj;
-    this.currentViewObj.node.setAttribute("loading", "true");
-    this.currentViewObj.node.focus();
-
-    if (aViewId == aPreviousView)
-      this.currentViewObj.refresh(view.param, ++this.currentViewRequest, aState);
-    else
-      this.currentViewObj.show(view.param, ++this.currentViewRequest, aState);
-  },
-
-  // Moves back in the document history and removes the current history entry
-  popState: function(aCallback) {
-    this.viewChangeCallback = aCallback;
-    gHistory.popState();
-  },
-
-  notifyViewChanged: function() {
-    this.displayedView.removeAttribute("loading");
-
-    if (this.viewChangeCallback) {
-      this.viewChangeCallback();
-      this.viewChangeCallback = null;
-    }
-
-    var event = document.createEvent("Events");
-    event.initEvent("ViewChanged", true, true);
-    this.currentViewObj.node.dispatchEvent(event);
-  },
-
-  commands: {
-    cmd_back: {
-      isEnabled: function() {
-        return gHistory.canGoBack;
-      },
-      doCommand: function() {
-        gHistory.back();
-      }
-    },
-
-    cmd_forward: {
-      isEnabled: function() {
-        return gHistory.canGoForward;
-      },
-      doCommand: function() {
-        gHistory.forward();
-      }
-    },
-
-    cmd_focusSearch: {
-      isEnabled: () => true,
-      doCommand: function() {
-        gHeader.focusSearchBox();
-      }
-    },
-
-    cmd_restartApp: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        let cancelQuit = Cc["@mozilla.org/supports-PRBool;1"].
-                         createInstance(Ci.nsISupportsPRBool);
-        Services.obs.notifyObservers(cancelQuit, "quit-application-requested",
-                                     "restart");
-        if (cancelQuit.data)
-          return; // somebody canceled our quit request
-
-        let appStartup = Cc["@mozilla.org/toolkit/app-startup;1"].
-                         getService(Ci.nsIAppStartup);
-        appStartup.quit(Ci.nsIAppStartup.eAttemptQuit |  Ci.nsIAppStartup.eRestart);
-      }
-    },
-
-    cmd_enableCheckCompatibility: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        AddonManager.checkCompatibility = true;
-      }
-    },
-
-    cmd_enableUpdateSecurity: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        AddonManager.checkUpdateSecurity = true;
-      }
-    },
-
-    cmd_toggleAutoUpdateDefault: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        if (!AddonManager.updateEnabled || !AddonManager.autoUpdateDefault) {
-          // One or both of the prefs is false, i.e. the checkbox is not checked.
-          // Now toggle both to true. If the user wants us to auto-update
-          // add-ons, we also need to auto-check for updates.
-          AddonManager.updateEnabled = true;
-          AddonManager.autoUpdateDefault = true;
-        } else {
-          // Both prefs are true, i.e. the checkbox is checked.
-          // Toggle the auto pref to false, but don't touch the enabled check.
-          AddonManager.autoUpdateDefault = false;
-        }
-      }
-    },
-
-    cmd_resetAddonAutoUpdate: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        AddonManager.getAllAddons(function(aAddonList) {
-          for (let addon of aAddonList) {
-            if ("applyBackgroundUpdates" in addon)
-              addon.applyBackgroundUpdates = AddonManager.AUTOUPDATE_DEFAULT;
-          }
-        });
-      }
-    },
-
-    cmd_goToDiscoverPane: {
-      isEnabled: function() {
-        return gDiscoverView.enabled;
-      },
-      doCommand: function() {
-        gViewController.loadView("addons://discover/");
-      }
-    },
-
-    cmd_goToRecentUpdates: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        gViewController.loadView("addons://updates/recent");
-      }
-    },
-
-    cmd_goToAvailableUpdates: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        gViewController.loadView("addons://updates/available");
-      }
-    },
-
-    cmd_showItemDetails: {
-      isEnabled: function(aAddon) {
-        return !!aAddon && (gViewController.currentViewObj != gDetailView);
-      },
-      doCommand: function(aAddon, aScrollToPreferences) {
-        gViewController.loadView("addons://detail/" +
-                                 encodeURIComponent(aAddon.id) +
-                                 (aScrollToPreferences ? "/preferences" : ""));
-      }
-    },
-
-    cmd_findAllUpdates: {
-      inProgress: false,
-      isEnabled: function() {
-        return !this.inProgress;
-      },
-      doCommand: function() {
-        this.inProgress = true;
-        gViewController.updateCommand("cmd_findAllUpdates");
-        document.getElementById("updates-noneFound").hidden = true;
-        document.getElementById("updates-progress").hidden = false;
-        document.getElementById("updates-manualUpdatesFound-btn").hidden = true;
-
-        var pendingChecks = 0;
-        var numUpdated = 0;
-        var numManualUpdates = 0;
-        var restartNeeded = false;
-
-        let updateStatus = () => {
-          if (pendingChecks > 0)
-            return;
-
-          this.inProgress = false;
-          gViewController.updateCommand("cmd_findAllUpdates");
-          document.getElementById("updates-progress").hidden = true;
-          gUpdatesView.maybeRefresh();
-
-          if (numManualUpdates > 0 && numUpdated == 0) {
-            document.getElementById("updates-manualUpdatesFound-btn").hidden = false;
-            return;
-          }
-
-          if (numUpdated == 0) {
-            document.getElementById("updates-noneFound").hidden = false;
-            return;
-          }
-
-          if (restartNeeded) {
-            document.getElementById("updates-downloaded").hidden = false;
-            document.getElementById("updates-restart-btn").hidden = false;
-          } else {
-            document.getElementById("updates-installed").hidden = false;
-          }
-        }
-
-        var updateInstallListener = {
-          onDownloadFailed: function() {
-            pendingChecks--;
-            updateStatus();
-          },
-          onInstallFailed: function() {
-            pendingChecks--;
-            updateStatus();
-          },
-          onInstallEnded: function(aInstall, aAddon) {
-            pendingChecks--;
-            numUpdated++;
-            if (isPending(aInstall.existingAddon, "upgrade"))
-              restartNeeded = true;
-            updateStatus();
-          }
-        };
-
-        var updateCheckListener = {
-          onUpdateAvailable: function(aAddon, aInstall) {
-            gEventManager.delegateAddonEvent("onUpdateAvailable",
-                                             [aAddon, aInstall]);
-            if (AddonManager.shouldAutoUpdate(aAddon)) {
-              aInstall.addListener(updateInstallListener);
-              aInstall.install();
-            } else {
-              pendingChecks--;
-              numManualUpdates++;
-              updateStatus();
-            }
-          },
-          onNoUpdateAvailable: function(aAddon) {
-            pendingChecks--;
-            updateStatus();
-          },
-          onUpdateFinished: function(aAddon, aError) {
-            gEventManager.delegateAddonEvent("onUpdateFinished",
-                                             [aAddon, aError]);
-          }
-        };
-
-        AddonManager.getAddonsByTypes(null, function(aAddonList) {
-          for (let addon of aAddonList) {
-            if (addon.permissions & AddonManager.PERM_CAN_UPGRADE) {
-              pendingChecks++;
-              addon.findUpdates(updateCheckListener,
-                                AddonManager.UPDATE_WHEN_USER_REQUESTED);
-            }
-          }
-
-          if (pendingChecks == 0)
-            updateStatus();
-        });
-      }
-    },
-
-    cmd_findItemUpdates: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return hasPermission(aAddon, "upgrade");
-      },
-      doCommand: function(aAddon) {
-        var listener = {
-          onUpdateAvailable: function(aAddon, aInstall) {
-            gEventManager.delegateAddonEvent("onUpdateAvailable",
-                                             [aAddon, aInstall]);
-            if (AddonManager.shouldAutoUpdate(aAddon))
-              aInstall.install();
-          },
-          onNoUpdateAvailable: function(aAddon) {
-            gEventManager.delegateAddonEvent("onNoUpdateAvailable",
-                                             [aAddon]);
-          }
-        };
-        gEventManager.delegateAddonEvent("onCheckingUpdate", [aAddon]);
-        aAddon.findUpdates(listener, AddonManager.UPDATE_WHEN_USER_REQUESTED);
-      }
-    },
-
-    cmd_showItemPreferences: {
-      isEnabled: function(aAddon) {
-        if (!aAddon ||
-            (!aAddon.isActive && !aAddon.isGMPlugin) ||
-            !aAddon.optionsURL) {
-          return false;
-        }
-        if (gViewController.currentViewObj == gDetailView &&
-            (aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE ||
-             aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE_BROWSER)) {
-          return false;
-        }
-        if (aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE_INFO)
-          return false;
-        return true;
-      },
-      doCommand: function(aAddon) {
-        if (hasInlineOptions(aAddon)) {
-          gViewController.commands.cmd_showItemDetails.doCommand(aAddon, true);
-          return;
-        }
-        var optionsURL = aAddon.optionsURL;
-        if (aAddon.optionsType == AddonManager.OPTIONS_TYPE_TAB &&
-            openOptionsInTab(optionsURL)) {
-          return;
-        }
-        var windows = Services.wm.getEnumerator(null);
-        while (windows.hasMoreElements()) {
-          var win = windows.getNext();
-          if (win.closed) {
-            continue;
-          }
-          if (win.document.documentURI == optionsURL) {
-            win.focus();
-            return;
-          }
-        }
-        var features = "chrome,titlebar,toolbar,centerscreen";
-        try {
-          var instantApply = Services.prefs.getBoolPref("browser.preferences.instantApply");
-          features += instantApply ? ",dialog=no" : ",modal";
-        } catch (e) {
-          features += ",modal";
-        }
-        openDialog(optionsURL, "", features);
-      }
-    },
-
-    cmd_showItemAbout: {
-      isEnabled: function(aAddon) {
-        // XXXunf This may be applicable to install items too. See bug 561260
-        return !!aAddon;
-      },
-      doCommand: function(aAddon) {
-        var aboutURL = aAddon.aboutURL;
-        if (aboutURL)
-          openDialog(aboutURL, "", "chrome,centerscreen,modal", aAddon);
-        else
-          openDialog("chrome://mozapps/content/extensions/about.xul",
-                     "", "chrome,centerscreen,modal", aAddon);
-      }
-    },
-
-    cmd_enableItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        let addonType = AddonManager.addonTypes[aAddon.type];
-        return (!(addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-                hasPermission(aAddon, "enable"));
-      },
-      doCommand: function(aAddon) {
-        aAddon.userDisabled = false;
-      },
-      getTooltip: function(aAddon) {
-        if (!aAddon)
-          return "";
-        if (aAddon.operationsRequiringRestart & AddonManager.OP_NEEDS_RESTART_ENABLE)
-          return gStrings.ext.GetStringFromName("enableAddonRestartRequiredTooltip");
-        return gStrings.ext.GetStringFromName("enableAddonTooltip");
-      }
-    },
-
-    cmd_disableItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        let addonType = AddonManager.addonTypes[aAddon.type];
-        return (!(addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-                hasPermission(aAddon, "disable"));
-      },
-      doCommand: function(aAddon) {
-        aAddon.userDisabled = true;
-      },
-      getTooltip: function(aAddon) {
-        if (!aAddon)
-          return "";
-        if (aAddon.operationsRequiringRestart & AddonManager.OP_NEEDS_RESTART_DISABLE)
-          return gStrings.ext.GetStringFromName("disableAddonRestartRequiredTooltip");
-        return gStrings.ext.GetStringFromName("disableAddonTooltip");
-      }
-    },
-
-    cmd_installItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return aAddon.install && aAddon.install.state == AddonManager.STATE_AVAILABLE;
-      },
-      doCommand: function(aAddon) {
-        function doInstall() {
-          gViewController.currentViewObj.getListItemForID(aAddon.id)._installStatus.installRemote();
-        }
-
-        if (gViewController.currentViewObj == gDetailView)
-          gViewController.popState(doInstall);
-        else
-          doInstall();
-      }
-    },
-
-    cmd_purchaseItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return !!aAddon.purchaseURL;
-      },
-      doCommand: function(aAddon) {
-        openURL(aAddon.purchaseURL);
-      }
-    },
-
-    cmd_uninstallItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return hasPermission(aAddon, "uninstall");
-      },
-      doCommand: function(aAddon) {
-        if (gViewController.currentViewObj != gDetailView) {
-          aAddon.uninstall();
-          return;
-        }
-
-        gViewController.popState(function() {
-          gViewController.currentViewObj.getListItemForID(aAddon.id).uninstall();
-        });
-      },
-      getTooltip: function(aAddon) {
-        if (!aAddon)
-          return "";
-        if (aAddon.operationsRequiringRestart & AddonManager.OP_NEEDS_RESTART_UNINSTALL)
-          return gStrings.ext.GetStringFromName("uninstallAddonRestartRequiredTooltip");
-        return gStrings.ext.GetStringFromName("uninstallAddonTooltip");
-      }
-    },
-
-    cmd_cancelUninstallItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return isPending(aAddon, "uninstall");
-      },
-      doCommand: function(aAddon) {
-        aAddon.cancelUninstall();
-      }
-    },
-
-    cmd_installFromFile: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        const nsIFilePicker = Ci.nsIFilePicker;
-        var fp = Cc["@mozilla.org/filepicker;1"]
-                   .createInstance(nsIFilePicker);
-        fp.init(window,
-                gStrings.ext.GetStringFromName("installFromFile.dialogTitle"),
-                nsIFilePicker.modeOpenMultiple);
-        try {
-          fp.appendFilter(gStrings.ext.GetStringFromName("installFromFile.filterName"),
-                          "*.xpi;*.jar");
-          fp.appendFilters(nsIFilePicker.filterAll);
-        } catch (e) { }
-
-        if (fp.show() != nsIFilePicker.returnOK)
-          return;
-
-        var files = fp.files;
-        var installs = [];
-
-        function buildNextInstall() {
-          if (!files.hasMoreElements()) {
-            if (installs.length > 0) {
-              // Display the normal install confirmation for the installs
-              let webInstaller = Cc["@mozilla.org/addons/web-install-listener;1"].
-                                 getService(Ci.amIWebInstallListener);
-              webInstaller.onWebInstallRequested(getBrowserElement(),
-                                                 document.documentURIObject,
-                                                 installs);
-            }
-            return;
-          }
-
-          var file = files.getNext();
-          AddonManager.getInstallForFile(file, function(aInstall) {
-            installs.push(aInstall);
-            buildNextInstall();
-          });
-        }
-
-        buildNextInstall();
-      }
-    },
-
-    cmd_debugAddons: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        let mainWindow = getMainWindow();
-        if ("switchToTabHavingURI" in mainWindow) {
-          mainWindow.switchToTabHavingURI("about:debugging#addons", true);
-        }
-      },
-    },
-
-    cmd_cancelOperation: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return aAddon.pendingOperations != AddonManager.PENDING_NONE;
-      },
-      doCommand: function(aAddon) {
-        if (isPending(aAddon, "install")) {
-          aAddon.install.cancel();
-        } else if (isPending(aAddon, "upgrade")) {
-          aAddon.pendingUpgrade.install.cancel();
-        } else if (isPending(aAddon, "uninstall")) {
-          aAddon.cancelUninstall();
-        } else if (isPending(aAddon, "enable")) {
-          aAddon.userDisabled = true;
-        } else if (isPending(aAddon, "disable")) {
-          aAddon.userDisabled = false;
-        }
-      }
-    },
-
-    cmd_contribute: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        return ("contributionURL" in aAddon && aAddon.contributionURL);
-      },
-      doCommand: function(aAddon) {
-        openURL(aAddon.contributionURL);
-      }
-    },
-
-    cmd_askToActivateItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        let addonType = AddonManager.addonTypes[aAddon.type];
-        return ((addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-                hasPermission(aAddon, "ask_to_activate"));
-      },
-      doCommand: function(aAddon) {
-        aAddon.userDisabled = AddonManager.STATE_ASK_TO_ACTIVATE;
-      }
-    },
-
-    cmd_alwaysActivateItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        let addonType = AddonManager.addonTypes[aAddon.type];
-        return ((addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-                hasPermission(aAddon, "enable"));
-      },
-      doCommand: function(aAddon) {
-        aAddon.userDisabled = false;
-      }
-    },
-
-    cmd_neverActivateItem: {
-      isEnabled: function(aAddon) {
-        if (!aAddon)
-          return false;
-        let addonType = AddonManager.addonTypes[aAddon.type];
-        return ((addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-                hasPermission(aAddon, "disable"));
-      },
-      doCommand: function(aAddon) {
-        aAddon.userDisabled = true;
-      }
-    },
-
-    cmd_showUnsignedExtensions: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        gViewController.loadView("addons://list/extension?unsigned=true");
-      },
-    },
-
-    cmd_showAllExtensions: {
-      isEnabled: function() {
-        return true;
-      },
-      doCommand: function() {
-        gViewController.loadView("addons://list/extension");
-      },
-    },
-  },
-
-  supportsCommand: function(aCommand) {
-    return (aCommand in this.commands);
-  },
-
-  isCommandEnabled: function(aCommand) {
-    if (!this.supportsCommand(aCommand))
-      return false;
-    var addon = this.currentViewObj.getSelectedAddon();
-    return this.commands[aCommand].isEnabled(addon);
-  },
-
-  updateCommands: function() {
-    // wait until the view is initialized
-    if (!this.currentViewObj)
-      return;
-    var addon = this.currentViewObj.getSelectedAddon();
-    for (let commandId in this.commands)
-      this.updateCommand(commandId, addon);
-  },
-
-  updateCommand: function(aCommandId, aAddon) {
-    if (typeof aAddon == "undefined")
-      aAddon = this.currentViewObj.getSelectedAddon();
-    var cmd = this.commands[aCommandId];
-    var cmdElt = document.getElementById(aCommandId);
-    cmdElt.setAttribute("disabled", !cmd.isEnabled(aAddon));
-    if ("getTooltip" in cmd) {
-      let tooltip = cmd.getTooltip(aAddon);
-      if (tooltip)
-        cmdElt.setAttribute("tooltiptext", tooltip);
-      else
-        cmdElt.removeAttribute("tooltiptext");
-    }
-  },
-
-  doCommand: function(aCommand, aAddon) {
-    if (!this.supportsCommand(aCommand))
-      return;
-    var cmd = this.commands[aCommand];
-    if (!aAddon)
-      aAddon = this.currentViewObj.getSelectedAddon();
-    if (!cmd.isEnabled(aAddon))
-      return;
-    cmd.doCommand(aAddon);
-  },
-
-  onEvent: function() {}
-};
-
-function hasInlineOptions(aAddon) {
-  return (aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE ||
-          aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE_BROWSER ||
-          aAddon.optionsType == AddonManager.OPTIONS_TYPE_INLINE_INFO);
-}
-
-function openOptionsInTab(optionsURL) {
-  let mainWindow = getMainWindow();
-  if ("switchToTabHavingURI" in mainWindow) {
-    mainWindow.switchToTabHavingURI(optionsURL, true);
-    return true;
-  }
-  return false;
-}
-
-function formatDate(aDate) {
-  const locale = Cc["@mozilla.org/chrome/chrome-registry;1"]
-                 .getService(Ci.nsIXULChromeRegistry)
-                 .getSelectedLocale("global", true);
-  const dtOptions = { year: 'numeric', month: 'long', day: 'numeric' };
-  return aDate.toLocaleDateString(locale, dtOptions);
-}
-
-
-function hasPermission(aAddon, aPerm) {
-  var perm = AddonManager["PERM_CAN_" + aPerm.toUpperCase()];
-  return !!(aAddon.permissions & perm);
-}
-
-
-function isPending(aAddon, aAction) {
-  var action = AddonManager["PENDING_" + aAction.toUpperCase()];
-  return !!(aAddon.pendingOperations & action);
-}
-
-function isInState(aInstall, aState) {
-  var state = AddonManager["STATE_" + aState.toUpperCase()];
-  return aInstall.state == state;
-}
-
-function shouldShowVersionNumber(aAddon) {
-  if (!aAddon.version)
-    return false;
-
-  // The version number is hidden for lightweight themes.
-  if (aAddon.type == "theme")
-    return !/@personas\.mozilla\.org$/.test(aAddon.id);
-
-  return true;
-}
-
-function createItem(aObj, aIsInstall, aIsRemote) {
-  let item = document.createElement("richlistitem");
-
-  item.setAttribute("class", "addon addon-view");
-  item.setAttribute("name", aObj.name);
-  item.setAttribute("type", aObj.type);
-  item.setAttribute("remote", !!aIsRemote);
-
-  if (aIsInstall) {
-    item.mInstall = aObj;
-
-    if (aObj.state != AddonManager.STATE_INSTALLED) {
-      item.setAttribute("status", "installing");
-      return item;
-    }
-    aObj = aObj.addon;
-  }
-
-  item.mAddon = aObj;
-
-  item.setAttribute("status", "installed");
-
-  // set only attributes needed for sorting and XBL binding,
-  // the binding handles the rest
-  item.setAttribute("value", aObj.id);
-
-  return item;
-}
-
-function sortElements(aElements, aSortBy, aAscending) {
-  // aSortBy is an Array of attributes to sort by, in decending
-  // order of priority.
-
-  const DATE_FIELDS = ["updateDate"];
-  const NUMERIC_FIELDS = ["size", "relevancescore", "purchaseAmount"];
-
-  // We're going to group add-ons into the following buckets:
-  //
-  //  enabledInstalled
-  //    * Enabled
-  //    * Incompatible but enabled because compatibility checking is off
-  //    * Waiting to be installed
-  //    * Waiting to be enabled
-  //
-  //  pendingDisable
-  //    * Waiting to be disabled
-  //
-  //  pendingUninstall
-  //    * Waiting to be removed
-  //
-  //  disabledIncompatibleBlocked
-  //    * Disabled
-  //    * Incompatible
-  //    * Blocklisted
-
-  const UISTATE_ORDER = ["enabled", "askToActivate", "pendingDisable",
-                         "pendingUninstall", "disabled"];
-
-  function dateCompare(a, b) {
-    var aTime = a.getTime();
-    var bTime = b.getTime();
-    if (aTime < bTime)
-      return -1;
-    if (aTime > bTime)
-      return 1;
-    return 0;
-  }
-
-  function numberCompare(a, b) {
-    return a - b;
-  }
-
-  function stringCompare(a, b) {
-    return a.localeCompare(b);
-  }
-
-  function uiStateCompare(a, b) {
-    // If we're in descending order, swap a and b, because
-    // we don't ever want to have descending uiStates
-    if (!aAscending)
-      [a, b] = [b, a];
-
-    return (UISTATE_ORDER.indexOf(a) - UISTATE_ORDER.indexOf(b));
-  }
-
-  function getValue(aObj, aKey) {
-    if (!aObj)
-      return null;
-
-    if (aObj.hasAttribute(aKey))
-      return aObj.getAttribute(aKey);
-
-    var addon = aObj.mAddon || aObj.mInstall;
-    var addonType = aObj.mAddon && AddonManager.addonTypes[aObj.mAddon.type];
-
-    if (!addon)
-      return null;
-
-    if (aKey == "uiState") {
-      if (addon.pendingOperations == AddonManager.PENDING_DISABLE)
-        return "pendingDisable";
-      if (addon.pendingOperations == AddonManager.PENDING_UNINSTALL)
-        return "pendingUninstall";
-      if (!addon.isActive &&
-          (addon.pendingOperations != AddonManager.PENDING_ENABLE &&
-           addon.pendingOperations != AddonManager.PENDING_INSTALL))
-        return "disabled";
-      if (addonType && (addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) &&
-          addon.userDisabled == AddonManager.STATE_ASK_TO_ACTIVATE)
-        return "askToActivate";
-      return "enabled";
-    }
-
-    return addon[aKey];
-  }
-
-  // aSortFuncs will hold the sorting functions that we'll
-  // use per element, in the correct order.
-  var aSortFuncs = [];
-
-  for (let i = 0; i < aSortBy.length; i++) {
-    var sortBy = aSortBy[i];
-
-    aSortFuncs[i] = stringCompare;
-
-    if (sortBy == "uiState")
-      aSortFuncs[i] = uiStateCompare;
-    else if (DATE_FIELDS.indexOf(sortBy) != -1)
-      aSortFuncs[i] = dateCompare;
-    else if (NUMERIC_FIELDS.indexOf(sortBy) != -1)
-      aSortFuncs[i] = numberCompare;
-  }
-
-
-  aElements.sort(function(a, b) {
-    if (!aAscending)
-      [a, b] = [b, a];
-
-    for (let i = 0; i < aSortFuncs.length; i++) {
-      var sortBy = aSortBy[i];
-      var aValue = getValue(a, sortBy);
-      var bValue = getValue(b, sortBy);
-
-      if (!aValue && !bValue)
-        return 0;
-      if (!aValue)
-        return -1;
-      if (!bValue)
-        return 1;
-      if (aValue != bValue) {
-        var result = aSortFuncs[i](aValue, bValue);
-
-        if (result != 0)
-          return result;
-      }
-    }
-
-    // If we got here, then all values of a and b
-    // must have been equal.
-    return 0;
-
-  });
-}
-
-function sortList(aList, aSortBy, aAscending) {
-  var elements = Array.slice(aList.childNodes, 0);
-  sortElements(elements, [aSortBy], aAscending);
-
-  while (aList.listChild)
-    aList.removeChild(aList.lastChild);
-
-  for (let element of elements)
-    aList.appendChild(element);
-}
-
-function getAddonsAndInstalls(aType, aCallback) {
-  let addons = null, installs = null;
-  let types = (aType != null) ? [aType] : null;
-
-  AddonManager.getAddonsByTypes(types, function(aAddonsList) {
-    addons = aAddonsList.filter(a => !a.hidden);
-    if (installs != null)
-      aCallback(addons, installs);
-  });
-
-  AddonManager.getInstallsByTypes(types, function(aInstallsList) {
-    // skip over upgrade installs and non-active installs
-    installs = aInstallsList.filter(function(aInstall) {
-      return !(aInstall.existingAddon ||
-               aInstall.state == AddonManager.STATE_AVAILABLE);
-    });
-
-    if (addons != null)
-      aCallback(addons, installs)
-  });
-}
-
-function doPendingUninstalls(aListBox) {
-  // Uninstalling add-ons can mutate the list so find the add-ons first then
-  // uninstall them
-  var items = [];
-  var listitem = aListBox.firstChild;
-  while (listitem) {
-    if (listitem.getAttribute("pending") == "uninstall" &&
-        !(listitem.opRequiresRestart("UNINSTALL")))
-      items.push(listitem.mAddon);
-    listitem = listitem.nextSibling;
-  }
-
-  for (let addon of items)
-    addon.uninstall();
-}
-
-var gCategories = {
-  node: null,
-  _search: null,
-
-  initialize: function() {
-    this.node = document.getElementById("categories");
-    this._search = this.get("addons://search/");
-
-    var types = AddonManager.addonTypes;
-    for (var type in types)
-      this.onTypeAdded(types[type]);
-
-    AddonManager.addTypeListener(this);
-
-    try {
-      this.node.value = Services.prefs.getCharPref(PREF_UI_LASTCATEGORY);
-    } catch (e) { }
-
-    // If there was no last view or no existing category matched the last view
-    // then the list will default to selecting the search category and we never
-    // want to show that as the first view so switch to the default category
-    if (!this.node.selectedItem || this.node.selectedItem == this._search)
-      this.node.value = gViewDefault;
-
-    this.node.addEventListener("select", () => {
-      this.maybeHideSearch();
-      gViewController.loadView(this.node.selectedItem.value);
-    }, false);
-
-    this.node.addEventListener("click", (aEvent) => {
-      var selectedItem = this.node.selectedItem;
-      if (aEvent.target.localName == "richlistitem" &&
-          aEvent.target == selectedItem) {
-        var viewId = selectedItem.value;
-
-        if (gViewController.parseViewId(viewId).type == "search") {
-          viewId += encodeURIComponent(gHeader.searchQuery);
-        }
-
-        gViewController.loadView(viewId);
-      }
-    }, false);
-  },
-
-  shutdown: function() {
-    AddonManager.removeTypeListener(this);
-  },
-
-  _insertCategory: function(aId, aName, aView, aPriority, aStartHidden) {
-    // If this category already exists then don't re-add it
-    if (document.getElementById("category-" + aId))
-      return;
-
-    var category = document.createElement("richlistitem");
-    category.setAttribute("id", "category-" + aId);
-    category.setAttribute("value", aView);
-    category.setAttribute("class", "category");
-    category.setAttribute("name", aName);
-    category.setAttribute("tooltiptext", aName);
-    category.setAttribute("priority", aPriority);
-    category.setAttribute("hidden", aStartHidden);
-
-    var node;
-    for (node of this.node.children) {
-      var nodePriority = parseInt(node.getAttribute("priority"));
-      // If the new type's priority is higher than this one then this is the
-      // insertion point
-      if (aPriority < nodePriority)
-        break;
-      // If the new type's priority is lower than this one then this is isn't
-      // the insertion point
-      if (aPriority > nodePriority)
-        continue;
-      // If the priorities are equal and the new type's name is earlier
-      // alphabetically then this is the insertion point
-      if (String.localeCompare(aName, node.getAttribute("name")) < 0)
-        break;
-    }
-
-    this.node.insertBefore(category, node);
-  },
-
-  _removeCategory: function(aId) {
-    var category = document.getElementById("category-" + aId);
-    if (!category)
-      return;
-
-    // If this category is currently selected then switch to the default view
-    if (this.node.selectedItem == category)
-      gViewController.replaceView(gViewDefault);
-
-    this.node.removeChild(category);
-  },
-
-  onTypeAdded: function(aType) {
-    // Ignore types that we don't have a view object for
-    if (!(aType.viewType in gViewController.viewObjects))
-      return;
-
-    var aViewId = "addons://" + aType.viewType + "/" + aType.id;
-
-    var startHidden = false;
-    if (aType.flags & AddonManager.TYPE_UI_HIDE_EMPTY) {
-      var prefName = PREF_UI_TYPE_HIDDEN.replace("%TYPE%", aType.id);
-      try {
-        startHidden = Services.prefs.getBoolPref(prefName);
-      }
-      catch (e) {
-        // Default to hidden
-        startHidden = true;
-      }
-
-      gPendingInitializations++;
-      getAddonsAndInstalls(aType.id, (aAddonsList, aInstallsList) => {
-        var hidden = (aAddonsList.length == 0 && aInstallsList.length == 0);
-        var item = this.get(aViewId);
-
-        // Don't load view that is becoming hidden
-        if (hidden && aViewId == gViewController.currentViewId)
-          gViewController.loadView(gViewDefault);
-
-        item.hidden = hidden;
-        Services.prefs.setBoolPref(prefName, hidden);
-
-        if (aAddonsList.length > 0 || aInstallsList.length > 0) {
-          notifyInitialized();
-          return;
-        }
-
-        gEventManager.registerInstallListener({
-          onDownloadStarted: function(aInstall) {
-            this._maybeShowCategory(aInstall);
-          },
-
-          onInstallStarted: function(aInstall) {
-            this._maybeShowCategory(aInstall);
-          },
-
-          onInstallEnded: function(aInstall, aAddon) {
-            this._maybeShowCategory(aAddon);
-          },
-
-          onExternalInstall: function(aAddon, aExistingAddon, aRequiresRestart) {
-            this._maybeShowCategory(aAddon);
-          },
-
-          _maybeShowCategory: aAddon => {
-            if (aType.id == aAddon.type) {
-              this.get(aViewId).hidden = false;
-              Services.prefs.setBoolPref(prefName, false);
-              gEventManager.unregisterInstallListener(this);
-            }
-          }
-        });
-
-        notifyInitialized();
-      });
-    }
-
-    this._insertCategory(aType.id, aType.name, aViewId, aType.uiPriority,
-                         startHidden);
-  },
-
-  onTypeRemoved: function(aType) {
-    this._removeCategory(aType.id);
-  },
-
-  get selected() {
-    return this.node.selectedItem ? this.node.selectedItem.value : null;
-  },
-
-  select: function(aId, aPreviousView) {
-    var view = gViewController.parseViewId(aId);
-    if (view.type == "detail" && aPreviousView) {
-      aId = aPreviousView;
-      view = gViewController.parseViewId(aPreviousView);
-    }
-    aId = aId.replace(/\?.*/, "");
-
-    Services.prefs.setCharPref(PREF_UI_LASTCATEGORY, aId);
-
-    if (this.node.selectedItem &&
-        this.node.selectedItem.value == aId) {
-      this.node.selectedItem.hidden = false;
-      this.node.selectedItem.disabled = false;
-      return;
-    }
-
-    var item;
-    if (view.type == "search")
-      item = this._search;
-    else
-      item = this.get(aId);
-
-    if (item) {
-      item.hidden = false;
-      item.disabled = false;
-      this.node.suppressOnSelect = true;
-      this.node.selectedItem = item;
-      this.node.suppressOnSelect = false;
-      this.node.ensureElementIsVisible(item);
-
-      this.maybeHideSearch();
-    }
-  },
-
-  get: function(aId) {
-    var items = document.getElementsByAttribute("value", aId);
-    if (items.length)
-      return items[0];
-    return null;
-  },
-
-  setBadge: function(aId, aCount) {
-    let item = this.get(aId);
-    if (item)
-      item.badgeCount = aCount;
-  },
-
-  maybeHideSearch: function() {
-    var view = gViewController.parseViewId(this.node.selectedItem.value);
-    this._search.disabled = view.type != "search";
-  }
-};
-
-
-var gHeader = {
-  _search: null,
-  _dest: "",
-
-  initialize: function() {
-    this._search = document.getElementById("header-search");
-
-    this._search.addEventListener("command", function(aEvent) {
-      var query = aEvent.target.value;
-      if (query.length == 0)
-        return;
-
-      gViewController.loadView("addons://search/" + encodeURIComponent(query));
-    }, false);
-
-    function updateNavButtonVisibility() {
-      var shouldShow = gHeader.shouldShowNavButtons;
-      document.getElementById("back-btn").hidden = !shouldShow;
-      document.getElementById("forward-btn").hidden = !shouldShow;
-    }
-
-    window.addEventListener("focus", function(aEvent) {
-      if (aEvent.target == window)
-        updateNavButtonVisibility();
-    }, false);
-
-    updateNavButtonVisibility();
-  },
-
-  focusSearchBox: function() {
-    this._search.focus();
-  },
-
-  onKeyPress: function(aEvent) {
-    if (String.fromCharCode(aEvent.charCode) == "/") {
-      this.focusSearchBox();
-      return;
-    }
-  },
-
-  get shouldShowNavButtons() {
-    var docshellItem = window.QueryInterface(Ci.nsIInterfaceRequestor)
-                             .getInterface(Ci.nsIWebNavigation)
-                             .QueryInterface(Ci.nsIDocShellTreeItem);
-
-    // If there is no outer frame then make the buttons visible
-    if (docshellItem.rootTreeItem == docshellItem)
-      return true;
-
-    var outerWin = docshellItem.rootTreeItem.QueryInterface(Ci.nsIInterfaceRequestor)
-                                            .getInterface(Ci.nsIDOMWindow);
-    var outerDoc = outerWin.document;
-    var node = outerDoc.getElementById("back-button");
-    // If the outer frame has no back-button then make the buttons visible
-    if (!node)
-      return true;
-
-    // If the back-button or any of its parents are hidden then make the buttons
-    // visible
-    while (node != outerDoc) {
-      var style = outerWin.getComputedStyle(node, "");
-      if (style.display == "none")
-        return true;
-      if (style.visibility != "visible")
-        return true;
-      node = node.parentNode;
-    }
-
-    return false;
-  },
-
-  get searchQuery() {
-    return this._search.value;
-  },
-
-  set searchQuery(aQuery) {
-    this._search.value = aQuery;
-  },
-};
-
-
-var gDiscoverView = {
-  node: null,
-  enabled: true,
-  // Set to true after the view is first shown. If initialization completes
-  // after this then it must also load the discover homepage
-  loaded: false,
-  _browser: null,
-  _loading: null,
-  _error: null,
-  homepageURL: null,
-  _loadListeners: [],
-  hideHeader: true,
-
-  initialize: function() {
-    this.enabled = isDiscoverEnabled();
-    if (!this.enabled) {
-      gCategories.get("addons://discover/").hidden = true;
-      return;
-    }
-
-    this.node = document.getElementById("discover-view");
-    this._loading = document.getElementById("discover-loading");
-    this._error = document.getElementById("discover-error");
-    this._browser = document.getElementById("discover-browser");
-
-    let compatMode = "normal";
-    if (!AddonManager.checkCompatibility)
-      compatMode = "ignore";
-    else if (AddonManager.strictCompatibility)
-      compatMode = "strict";
-
-    var url = Services.prefs.getCharPref(PREF_DISCOVERURL);
-    url = url.replace("%COMPATIBILITY_MODE%", compatMode);
-    url = Services.urlFormatter.formatURL(url);
-
-    let setURL = (aURL) => {
-      try {
-        this.homepageURL = Services.io.newURI(aURL, null, null);
-      } catch (e) {
-        this.showError();
-        notifyInitialized();
-        return;
-      }
-
-      this._browser.homePage = this.homepageURL.spec;
-      this._browser.addProgressListener(this);
-
-      if (this.loaded)
-        this._loadURL(this.homepageURL.spec, false, notifyInitialized);
-      else
-        notifyInitialized();
-    }
-
-    if (Services.prefs.getBoolPref(PREF_GETADDONS_CACHE_ENABLED) == false) {
-      setURL(url);
-      return;
-    }
-
-    gPendingInitializations++;
-    AddonManager.getAllAddons(function(aAddons) {
-      var list = {};
-      for (let addon of aAddons) {
-        var prefName = PREF_GETADDONS_CACHE_ID_ENABLED.replace("%ID%",
-                                                               addon.id);
-        try {
-          if (!Services.prefs.getBoolPref(prefName))
-            continue;
-        } catch (e) { }
-        list[addon.id] = {
-          name: addon.name,
-          version: addon.version,
-          type: addon.type,
-          userDisabled: addon.userDisabled,
-          isCompatible: addon.isCompatible,
-          isBlocklisted: addon.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED
-        }
-      }
-
-      setURL(url + "#" + JSON.stringify(list));
-    });
-  },
-
-  destroy: function() {
-    try {
-      this._browser.removeProgressListener(this);
-    }
-    catch (e) {
-      // Ignore the case when the listener wasn't already registered
-    }
-  },
-
-  show: function(aParam, aRequest, aState, aIsRefresh) {
-    gViewController.updateCommands();
-
-    // If we're being told to load a specific URL then just do that
-    if (aState && "url" in aState) {
-      this.loaded = true;
-      this._loadURL(aState.url);
-    }
-
-    // If the view has loaded before and still at the homepage (if refreshing),
-    // and the error page is not visible then there is nothing else to do
-    if (this.loaded && this.node.selectedPanel != this._error &&
-        (!aIsRefresh || (this._browser.currentURI &&
-         this._browser.currentURI.spec == this._browser.homePage))) {
-      gViewController.notifyViewChanged();
-      return;
-    }
-
-    this.loaded = true;
-
-    // No homepage means initialization isn't complete, the browser will get
-    // loaded once initialization is complete
-    if (!this.homepageURL) {
-      this._loadListeners.push(gViewController.notifyViewChanged.bind(gViewController));
-      return;
-    }
-
-    this._loadURL(this.homepageURL.spec, aIsRefresh,
-                  gViewController.notifyViewChanged.bind(gViewController));
-  },
-
-  canRefresh: function() {
-    if (this._browser.currentURI &&
-        this._browser.currentURI.spec == this._browser.homePage)
-      return false;
-    return true;
-  },
-
-  refresh: function(aParam, aRequest, aState) {
-    this.show(aParam, aRequest, aState, true);
-  },
-
-  hide: function() { },
-
-  showError: function() {
-    this.node.selectedPanel = this._error;
-  },
-
-  _loadURL: function(aURL, aKeepHistory, aCallback) {
-    if (this._browser.currentURI.spec == aURL) {
-      if (aCallback)
-        aCallback();
-      return;
-    }
-
-    if (aCallback)
-      this._loadListeners.push(aCallback);
-
-    var flags = 0;
-    if (!aKeepHistory)
-      flags |= Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY;
-
-    this._browser.loadURIWithFlags(aURL, flags);
-  },
-
-  onLocationChange: function(aWebProgress, aRequest, aLocation, aFlags) {
-    // Ignore the about:blank load
-    if (aLocation.spec == "about:blank")
-      return;
-
-    // When using the real session history the inner-frame will update the
-    // session history automatically, if using the fake history though it must
-    // be manually updated
-    if (gHistory == FakeHistory) {
-      var docshell = aWebProgress.QueryInterface(Ci.nsIDocShell);
-
-      var state = {
-        view: "addons://discover/",
-        url: aLocation.spec
-      };
-
-      var replaceHistory = Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY << 16;
-      if (docshell.loadType & replaceHistory)
-        gHistory.replaceState(state);
-      else
-        gHistory.pushState(state);
-      gViewController.lastHistoryIndex = gHistory.index;
-    }
-
-    gViewController.updateCommands();
-
-    // If the hostname is the same as the new location's host and either the
-    // default scheme is insecure or the new location is secure then continue
-    // with the load
-    if (aLocation.host == this.homepageURL.host &&
-        (!this.homepageURL.schemeIs("https") || aLocation.schemeIs("https")))
-      return;
-
-    // Canceling the request will send an error to onStateChange which will show
-    // the error page
-    aRequest.cancel(Components.results.NS_BINDING_ABORTED);
-  },
-
-  onSecurityChange: function(aWebProgress, aRequest, aState) {
-    // Don't care about security if the page is not https
-    if (!this.homepageURL.schemeIs("https"))
-      return;
-
-    // If the request was secure then it is ok
-    if (aState & Ci.nsIWebProgressListener.STATE_IS_SECURE)
-      return;
-
-    // Canceling the request will send an error to onStateChange which will show
-    // the error page
-    aRequest.cancel(Components.results.NS_BINDING_ABORTED);
-  },
-
-  onStateChange: function(aWebProgress, aRequest, aStateFlags, aStatus) {
-    let transferStart = Ci.nsIWebProgressListener.STATE_IS_DOCUMENT |
-                        Ci.nsIWebProgressListener.STATE_IS_REQUEST |
-                        Ci.nsIWebProgressListener.STATE_TRANSFERRING;
-    // Once transferring begins show the content
-    if ((aStateFlags & transferStart) === transferStart)
-      this.node.selectedPanel = this._browser;
-
-    // Only care about the network events
-    if (!(aStateFlags & (Ci.nsIWebProgressListener.STATE_IS_NETWORK)))
-      return;
-
-    // If this is the start of network activity then show the loading page
-    if (aStateFlags & (Ci.nsIWebProgressListener.STATE_START))
-      this.node.selectedPanel = this._loading;
-
-    // Ignore anything except stop events
-    if (!(aStateFlags & (Ci.nsIWebProgressListener.STATE_STOP)))
-      return;
-
-    // Consider the successful load of about:blank as still loading
-    if (aRequest instanceof Ci.nsIChannel && aRequest.URI.spec == "about:blank")
-      return;
-
-    // If there was an error loading the page or the new hostname is not the
-    // same as the default hostname or the default scheme is secure and the new
-    // scheme is insecure then show the error page
-    const NS_ERROR_PARSED_DATA_CACHED = 0x805D0021;
-    if (!(Components.isSuccessCode(aStatus) || aStatus == NS_ERROR_PARSED_DATA_CACHED) ||
-        (aRequest && aRequest instanceof Ci.nsIHttpChannel && !aRequest.requestSucceeded)) {
-      this.showError();
-    } else {
-      // Got a successful load, make sure the browser is visible
-      this.node.selectedPanel = this._browser;
-      gViewController.updateCommands();
-    }
-
-    var listeners = this._loadListeners;
-    this._loadListeners = [];
-
-    for (let listener of listeners)
-      listener();
-  },
-
-  onProgressChange: function() { },
-  onStatusChange: function() { },
-
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIWebProgressListener,
-                                         Ci.nsISupportsWeakReference]),
-
-  getSelectedAddon: function() {
-    return null;
-  }
-};
-
-
-var gCachedAddons = {};
-
-var gSearchView = {
-  node: null,
-  _filter: null,
-  _sorters: null,
-  _loading: null,
-  _listBox: null,
-  _emptyNotice: null,
-  _allResultsLink: null,
-  _lastQuery: null,
-  _lastRemoteTotal: 0,
-  _pendingSearches: 0,
-
-  initialize: function() {
-    this.node = document.getElementById("search-view");
-    this._filter = document.getElementById("search-filter-radiogroup");
-    this._sorters = document.getElementById("search-sorters");
-    this._sorters.handler = this;
-    this._loading = document.getElementById("search-loading");
-    this._listBox = document.getElementById("search-list");
-    this._emptyNotice = document.getElementById("search-list-empty");
-    this._allResultsLink = document.getElementById("search-allresults-link");
-
-    if (!AddonManager.isInstallEnabled("application/x-xpinstall"))
-      this._filter.hidden = true;
-
-    this._listBox.addEventListener("keydown", aEvent => {
-      if (aEvent.keyCode == aEvent.DOM_VK_RETURN) {
-        var item = this._listBox.selectedItem;
-        if (item)
-          item.showInDetailView();
-      }
-    }, false);
-
-    this._filter.addEventListener("command", () => this.updateView(), false);
-  },
-
-  shutdown: function() {
-    if (AddonRepository.isSearching)
-      AddonRepository.cancelSearch();
-  },
-
-  get isSearching() {
-    return this._pendingSearches > 0;
-  },
-
-  show: function(aQuery, aRequest) {
-    gEventManager.registerInstallListener(this);
-
-    this.showEmptyNotice(false);
-    this.showAllResultsLink(0);
-    this.showLoading(true);
-    this._sorters.showprice = false;
-
-    gHeader.searchQuery = aQuery;
-    aQuery = aQuery.trim().toLocaleLowerCase();
-    if (this._lastQuery == aQuery) {
-      this.updateView();
-      gViewController.notifyViewChanged();
-      return;
-    }
-    this._lastQuery = aQuery;
-
-    if (AddonRepository.isSearching)
-      AddonRepository.cancelSearch();
-
-    while (this._listBox.firstChild.localName == "richlistitem")
-      this._listBox.removeChild(this._listBox.firstChild);
-
-    gCachedAddons = {};
-    this._pendingSearches = 2;
-    this._sorters.setSort("relevancescore", false);
-
-    var elements = [];
-
-    let createSearchResults = (aObjsList, aIsInstall, aIsRemote) => {
-      for (let index in aObjsList) {
-        let obj = aObjsList[index];
-        let score = aObjsList.length - index;
-        if (!aIsRemote && aQuery.length > 0) {
-          score = this.getMatchScore(obj, aQuery);
-          if (score == 0)
-            continue;
-        }
-
-        let item = createItem(obj, aIsInstall, aIsRemote);
-        item.setAttribute("relevancescore", score);
-        if (aIsRemote) {
-          gCachedAddons[obj.id] = obj;
-          if (obj.purchaseURL)
-            this._sorters.showprice = true;
-        }
-
-        elements.push(item);
-      }
-    }
-
-    let finishSearch = (createdCount) => {
-      if (elements.length > 0) {
-        sortElements(elements, [this._sorters.sortBy], this._sorters.ascending);
-        for (let element of elements)
-          this._listBox.insertBefore(element, this._listBox.lastChild);
-        this.updateListAttributes();
-      }
-
-      this._pendingSearches--;
-      this.updateView();
-
-      if (!this.isSearching)
-        gViewController.notifyViewChanged();
-    }
-
-    getAddonsAndInstalls(null, function(aAddons, aInstalls) {
-      if (gViewController && aRequest != gViewController.currentViewRequest)
-        return;
-
-      createSearchResults(aAddons, false, false);
-      createSearchResults(aInstalls, true, false);
-      finishSearch();
-    });
-
-    var maxRemoteResults = 0;
-    try {
-      maxRemoteResults = Services.prefs.getIntPref(PREF_MAXRESULTS);
-    } catch (e) {}
-
-    if (maxRemoteResults <= 0) {
-      finishSearch(0);
-      return;
-    }
-
-    AddonRepository.searchAddons(aQuery, maxRemoteResults, {
-      searchFailed: () => {
-        if (gViewController && aRequest != gViewController.currentViewRequest)
-          return;
-
-        this._lastRemoteTotal = 0;
-
-        // XXXunf Better handling of AMO search failure. See bug 579502
-        finishSearch(0); // Silently fail
-      },
-
-      searchSucceeded: (aAddonsList, aAddonCount, aTotalResults) => {
-        if (gViewController && aRequest != gViewController.currentViewRequest)
-          return;
-
-        if (aTotalResults > maxRemoteResults)
-          this._lastRemoteTotal = aTotalResults;
-        else
-          this._lastRemoteTotal = 0;
-
-        var createdCount = createSearchResults(aAddonsList, false, true);
-        finishSearch(createdCount);
-      }
-    });
-  },
-
-  showLoading: function(aLoading) {
-    this._loading.hidden = !aLoading;
-    this._listBox.hidden = aLoading;
-  },
-
-  updateView: function() {
-    var showLocal = this._filter.value == "local";
-
-    if (!showLocal && !AddonManager.isInstallEnabled("application/x-xpinstall"))
-      showLocal = true;
-
-    this._listBox.setAttribute("local", showLocal);
-    this._listBox.setAttribute("remote", !showLocal);
-
-    this.showLoading(this.isSearching && !showLocal);
-    if (!this.isSearching) {
-      var isEmpty = true;
-      var results = this._listBox.getElementsByTagName("richlistitem");
-      for (let result of results) {
-        var isRemote = (result.getAttribute("remote") == "true");
-        if ((isRemote && !showLocal) || (!isRemote && showLocal)) {
-          isEmpty = false;
-          break;
-        }
-      }
-
-      this.showEmptyNotice(isEmpty);
-      this.showAllResultsLink(this._lastRemoteTotal);
-    }
-
-    gViewController.updateCommands();
-  },
-
-  hide: function() {
-    gEventManager.unregisterInstallListener(this);
-    doPendingUninstalls(this._listBox);
-  },
-
-  getMatchScore: function(aObj, aQuery) {
-    var score = 0;
-    score += this.calculateMatchScore(aObj.name, aQuery,
-                                      SEARCH_SCORE_MULTIPLIER_NAME);
-    score += this.calculateMatchScore(aObj.description, aQuery,
-                                      SEARCH_SCORE_MULTIPLIER_DESCRIPTION);
-    return score;
-  },
-
-  calculateMatchScore: function(aStr, aQuery, aMultiplier) {
-    var score = 0;
-    if (!aStr || aQuery.length == 0)
-      return score;
-
-    aStr = aStr.trim().toLocaleLowerCase();
-    var haystack = aStr.split(/\s+/);
-    var needles = aQuery.split(/\s+/);
-
-    for (let needle of needles) {
-      for (let hay of haystack) {
-        if (hay == needle) {
-          // matching whole words is best
-          score += SEARCH_SCORE_MATCH_WHOLEWORD;
-        } else {
-          let i = hay.indexOf(needle);
-          if (i == 0) // matching on word boundries is also good
-            score += SEARCH_SCORE_MATCH_WORDBOUNDRY;
-          else if (i > 0) // substring matches not so good
-            score += SEARCH_SCORE_MATCH_SUBSTRING;
-        }
-      }
-    }
-
-    // give progressively higher score for longer queries, since longer queries
-    // are more likely to be unique and therefore more relevant.
-    if (needles.length > 1 && aStr.indexOf(aQuery) != -1)
-      score += needles.length;
-
-    return score * aMultiplier;
-  },
-
-  showEmptyNotice: function(aShow) {
-    this._emptyNotice.hidden = !aShow;
-    this._listBox.hidden = aShow;
-  },
-
-  showAllResultsLink: function(aTotalResults) {
-    if (aTotalResults == 0) {
-      this._allResultsLink.hidden = true;
-      return;
-    }
-
-    var linkStr = gStrings.ext.GetStringFromName("showAllSearchResults");
-    linkStr = PluralForm.get(aTotalResults, linkStr);
-    linkStr = linkStr.replace("#1", aTotalResults);
-    this._allResultsLink.setAttribute("value", linkStr);
-
-    this._allResultsLink.setAttribute("href",
-                                      AddonRepository.getSearchURL(this._lastQuery));
-    this._allResultsLink.hidden = false;
- },
-
-  updateListAttributes: function() {
-    var item = this._listBox.querySelector("richlistitem[remote='true'][first]");
-    if (item)
-      item.removeAttribute("first");
-    item = this._listBox.querySelector("richlistitem[remote='true'][last]");
-    if (item)
-      item.removeAttribute("last");
-    var items = this._listBox.querySelectorAll("richlistitem[remote='true']");
-    if (items.length > 0) {
-      items[0].setAttribute("first", true);
-      items[items.length - 1].setAttribute("last", true);
-    }
-
-    item = this._listBox.querySelector("richlistitem:not([remote='true'])[first]");
-    if (item)
-      item.removeAttribute("first");
-    item = this._listBox.querySelector("richlistitem:not([remote='true'])[last]");
-    if (item)
-      item.removeAttribute("last");
-    items = this._listBox.querySelectorAll("richlistitem:not([remote='true'])");
-    if (items.length > 0) {
-      items[0].setAttribute("first", true);
-      items[items.length - 1].setAttribute("last", true);
-    }
-
-  },
-
-  onSortChanged: function(aSortBy, aAscending) {
-    var footer = this._listBox.lastChild;
-    this._listBox.removeChild(footer);
-
-    sortList(this._listBox, aSortBy, aAscending);
-    this.updateListAttributes();
-
-    this._listBox.appendChild(footer);
-  },
-
-  onDownloadCancelled: function(aInstall) {
-    this.removeInstall(aInstall);
-  },
-
-  onInstallCancelled: function(aInstall) {
-    this.removeInstall(aInstall);
-  },
-
-  removeInstall: function(aInstall) {
-    for (let item of this._listBox.childNodes) {
-      if (item.mInstall == aInstall) {
-        this._listBox.removeChild(item);
-        return;
-      }
-    }
-  },
-
-  getSelectedAddon: function() {
-    var item = this._listBox.selectedItem;
-    if (item)
-      return item.mAddon;
-    return null;
-  },
-
-  getListItemForID: function(aId) {
-    var listitem = this._listBox.firstChild;
-    while (listitem) {
-      if (listitem.getAttribute("status") == "installed" && listitem.mAddon.id == aId)
-        return listitem;
-      listitem = listitem.nextSibling;
-    }
-    return null;
-  }
-};
-
-
-var gListView = {
-  node: null,
-  _listBox: null,
-  _emptyNotice: null,
-  _type: null,
-
-  initialize: function() {
-    this.node = document.getElementById("list-view");
-    this._listBox = document.getElementById("addon-list");
-    this._emptyNotice = document.getElementById("addon-list-empty");
-
-    this._listBox.addEventListener("keydown", (aEvent) => {
-      if (aEvent.keyCode == aEvent.DOM_VK_RETURN) {
-        var item = this._listBox.selectedItem;
-        if (item)
-          item.showInDetailView();
-      }
-    }, false);
-
-    document.getElementById("signing-learn-more").setAttribute("href",
-      Services.urlFormatter.formatURLPref("app.support.baseURL") + "unsigned-addons");
-
-    let findSignedAddonsLink = document.getElementById("find-alternative-addons");
-    try {
-      findSignedAddonsLink.setAttribute("href",
-        Services.urlFormatter.formatURLPref("extensions.getAddons.link.url"));
-    } catch (e) {
-      findSignedAddonsLink.classList.remove("text-link");
-    }
-
-    try {
-      document.getElementById("signing-dev-manual-link").setAttribute("href",
-        Services.prefs.getCharPref("xpinstall.signatures.devInfoURL"));
-    } catch (e) {
-      document.getElementById("signing-dev-info").hidden = true;
-    }
-
-    // To-Do: remove deprecation notice content.
-    document.getElementById("plugindeprecation-notice").hidden = true;
-  },
-
-  show: function(aType, aRequest) {
-    let showOnlyDisabledUnsigned = false;
-    if (aType.endsWith("?unsigned=true")) {
-      aType = aType.replace(/\?.*/, "");
-      showOnlyDisabledUnsigned = true;
-    }
-
-    if (!(aType in AddonManager.addonTypes))
-      throw Components.Exception("Attempting to show unknown type " + aType, Cr.NS_ERROR_INVALID_ARG);
-
-    this._type = aType;
-    this.node.setAttribute("type", aType);
-    this.showEmptyNotice(false);
-
-    while (this._listBox.itemCount > 0)
-      this._listBox.removeItemAt(0);
-
-    if (aType == "plugin") {
-      navigator.plugins.refresh(false);
-    }
-
-    getAddonsAndInstalls(aType, (aAddonsList, aInstallsList) => {
-      if (gViewController && aRequest != gViewController.currentViewRequest)
-        return;
-
-      var elements = [];
-
-      for (let addonItem of aAddonsList)
-        elements.push(createItem(addonItem));
-
-      for (let installItem of aInstallsList)
-        elements.push(createItem(installItem, true));
-
-      this.showEmptyNotice(elements.length == 0);
-      if (elements.length > 0) {
-        sortElements(elements, ["uiState", "name"], true);
-        for (let element of elements)
-          this._listBox.appendChild(element);
-      }
-
-      this.filterDisabledUnsigned(showOnlyDisabledUnsigned);
-
-      gEventManager.registerInstallListener(this);
-      gViewController.updateCommands();
-      gViewController.notifyViewChanged();
-    });
-  },
-
-  hide: function() {
-    gEventManager.unregisterInstallListener(this);
-    doPendingUninstalls(this._listBox);
-  },
-
-  filterDisabledUnsigned: function(aFilter = true) {
-    let foundDisabledUnsigned = false;
-
-    if (SIGNING_REQUIRED) {
-      for (let item of this._listBox.childNodes) {
-        if (!isCorrectlySigned(item.mAddon))
-          foundDisabledUnsigned = true;
-        else
-          item.hidden = aFilter;
-      }
-    }
-
-    document.getElementById("show-disabled-unsigned-extensions").hidden =
-      aFilter || !foundDisabledUnsigned;
-
-    document.getElementById("show-all-extensions").hidden = !aFilter;
-    document.getElementById("disabled-unsigned-addons-info").hidden = !aFilter;
-  },
-
-  showEmptyNotice: function(aShow) {
-    this._emptyNotice.hidden = !aShow;
-    this._listBox.hidden = aShow;
-  },
-
-  onSortChanged: function(aSortBy, aAscending) {
-    sortList(this._listBox, aSortBy, aAscending);
-  },
-
-  onExternalInstall: function(aAddon, aExistingAddon, aRequiresRestart) {
-    // The existing list item will take care of upgrade installs
-    if (aExistingAddon)
-      return;
-
-    if (aAddon.hidden)
-      return;
-
-    this.addItem(aAddon);
-  },
-
-  onDownloadStarted: function(aInstall) {
-    this.addItem(aInstall, true);
-  },
-
-  onInstallStarted: function(aInstall) {
-    this.addItem(aInstall, true);
-  },
-
-  onDownloadCancelled: function(aInstall) {
-    this.removeItem(aInstall, true);
-  },
-
-  onInstallCancelled: function(aInstall) {
-    this.removeItem(aInstall, true);
-  },
-
-  onInstallEnded: function(aInstall) {
-    // Remove any install entries for upgrades, their status will appear against
-    // the existing item
-    if (aInstall.existingAddon)
-      this.removeItem(aInstall, true);
-  },
-
-  addItem: function(aObj, aIsInstall) {
-    if (aObj.type != this._type)
-      return;
-
-    if (aIsInstall && aObj.existingAddon)
-      return;
-
-    let prop = aIsInstall ? "mInstall" : "mAddon";
-    for (let item of this._listBox.childNodes) {
-      if (item[prop] == aObj)
-        return;
-    }
-
-    let item = createItem(aObj, aIsInstall);
-    this._listBox.insertBefore(item, this._listBox.firstChild);
-    this.showEmptyNotice(false);
-  },
-
-  removeItem: function(aObj, aIsInstall) {
-    let prop = aIsInstall ? "mInstall" : "mAddon";
-
-    for (let item of this._listBox.childNodes) {
-      if (item[prop] == aObj) {
-        this._listBox.removeChild(item);
-        this.showEmptyNotice(this._listBox.itemCount == 0);
-        return;
-      }
-    }
-  },
-
-  getSelectedAddon: function() {
-    var item = this._listBox.selectedItem;
-    if (item)
-      return item.mAddon;
-    return null;
-  },
-
-  getListItemForID: function(aId) {
-    var listitem = this._listBox.firstChild;
-    while (listitem) {
-      if (listitem.getAttribute("status") == "installed" && listitem.mAddon.id == aId)
-        return listitem;
-      listitem = listitem.nextSibling;
-    }
-    return null;
-  }
-};
-
-
-var gDetailView = {
-  node: null,
-  _addon: null,
-  _loadingTimer: null,
-  _autoUpdate: null,
-
-  initialize: function() {
-    this.node = document.getElementById("detail-view");
-
-    this._autoUpdate = document.getElementById("detail-autoUpdate");
-
-    this._autoUpdate.addEventListener("command", () => {
-      this._addon.applyBackgroundUpdates = this._autoUpdate.value;
-    }, true);
-  },
-
-  shutdown: function() {
-    AddonManager.removeManagerListener(this);
-  },
-
-  onUpdateModeChanged: function() {
-    this.onPropertyChanged(["applyBackgroundUpdates"]);
-  },
-
-  _updateView: function(aAddon, aIsRemote, aScrollToPreferences) {
-    AddonManager.addManagerListener(this);
-    this.clearLoading();
-
-    this._addon = aAddon;
-    gEventManager.registerAddonListener(this, aAddon.id);
-    gEventManager.registerInstallListener(this);
-
-    this.node.setAttribute("type", aAddon.type);
-
-    // If the search category isn't selected then make sure to select the
-    // correct category
-    if (gCategories.selected != "addons://search/")
-      gCategories.select("addons://list/" + aAddon.type);
-
-    document.getElementById("detail-name").textContent = aAddon.name;
-    var icon = AddonManager.getPreferredIconURL(aAddon, 64, window);
-    document.getElementById("detail-icon").src = icon ? icon : "";
-    document.getElementById("detail-creator").setCreator(aAddon.creator, aAddon.homepageURL);
-
-    var version = document.getElementById("detail-version");
-    if (shouldShowVersionNumber(aAddon)) {
-      version.hidden = false;
-      version.value = aAddon.version;
-    } else {
-      version.hidden = true;
-    }
-
-    var screenshotbox = document.getElementById("detail-screenshot-box");
-    var screenshot = document.getElementById("detail-screenshot");
-    if (aAddon.screenshots && aAddon.screenshots.length > 0) {
-      if (aAddon.screenshots[0].thumbnailURL) {
-        screenshot.src = aAddon.screenshots[0].thumbnailURL;
-        screenshot.width = aAddon.screenshots[0].thumbnailWidth;
-        screenshot.height = aAddon.screenshots[0].thumbnailHeight;
-      } else {
-        screenshot.src = aAddon.screenshots[0].url;
-        screenshot.width = aAddon.screenshots[0].width;
-        screenshot.height = aAddon.screenshots[0].height;
-      }
-      screenshot.setAttribute("loading", "true");
-      screenshotbox.hidden = false;
-    } else {
-      screenshotbox.hidden = true;
-    }
-
-    var desc = document.getElementById("detail-desc");
-    desc.textContent = aAddon.description;
-
-    var fullDesc = document.getElementById("detail-fulldesc");
-    if (aAddon.fullDescription) {
-      // The following is part of an awful hack to include the licenses for GMP
-      // plugins without having bug 624602 fixed yet, and intentionally ignores
-      // localisation.
-      if (aAddon.isGMPlugin) {
-        fullDesc.innerHTML = aAddon.fullDescription;
-      } else {
-        fullDesc.textContent = aAddon.fullDescription;
-      }
-
-      fullDesc.hidden = false;
-    } else {
-      fullDesc.hidden = true;
-    }
-
-    var contributions = document.getElementById("detail-contributions");
-    if ("contributionURL" in aAddon && aAddon.contributionURL) {
-      contributions.hidden = false;
-      var amount = document.getElementById("detail-contrib-suggested");
-      if (aAddon.contributionAmount) {
-        amount.value = gStrings.ext.formatStringFromName("contributionAmount2",
-                                                         [aAddon.contributionAmount],
-                                                         1);
-        amount.hidden = false;
-      } else {
-        amount.hidden = true;
-      }
-    } else {
-      contributions.hidden = true;
-    }
-
-    if ("purchaseURL" in aAddon && aAddon.purchaseURL) {
-      var purchase = document.getElementById("detail-purchase-btn");
-      purchase.label = gStrings.ext.formatStringFromName("cmd.purchaseAddon.label",
-                                                         [aAddon.purchaseDisplayAmount],
-                                                         1);
-      purchase.accesskey = gStrings.ext.GetStringFromName("cmd.purchaseAddon.accesskey");
-    }
-
-    var updateDateRow = document.getElementById("detail-dateUpdated");
-    if (aAddon.updateDate) {
-      var date = formatDate(aAddon.updateDate);
-      updateDateRow.value = date;
-    } else {
-      updateDateRow.value = null;
-    }
-
-    // TODO if the add-on was downloaded from releases.mozilla.org link to the
-    // AMO profile (bug 590344)
-    if (false) {
-      document.getElementById("detail-repository-row").hidden = false;
-      document.getElementById("detail-homepage-row").hidden = true;
-      var repository = document.getElementById("detail-repository");
-      repository.value = aAddon.homepageURL;
-      repository.href = aAddon.homepageURL;
-    } else if (aAddon.homepageURL) {
-      document.getElementById("detail-repository-row").hidden = true;
-      document.getElementById("detail-homepage-row").hidden = false;
-      var homepage = document.getElementById("detail-homepage");
-      homepage.value = aAddon.homepageURL;
-      homepage.href = aAddon.homepageURL;
-    } else {
-      document.getElementById("detail-repository-row").hidden = true;
-      document.getElementById("detail-homepage-row").hidden = true;
-    }
-
-    var rating = document.getElementById("detail-rating");
-    if (aAddon.averageRating) {
-      rating.averageRating = aAddon.averageRating;
-      rating.hidden = false;
-    } else {
-      rating.hidden = true;
-    }
-
-    var reviews = document.getElementById("detail-reviews");
-    if (aAddon.reviewURL) {
-      var text = gStrings.ext.GetStringFromName("numReviews");
-      text = PluralForm.get(aAddon.reviewCount, text)
-      text = text.replace("#1", aAddon.reviewCount);
-      reviews.value = text;
-      reviews.hidden = false;
-      reviews.href = aAddon.reviewURL;
-    } else {
-      reviews.hidden = true;
-    }
-
-    document.getElementById("detail-rating-row").hidden = !aAddon.averageRating && !aAddon.reviewURL;
-
-    var sizeRow = document.getElementById("detail-size");
-    if (aAddon.size && aIsRemote) {
-      let [size, unit] = DownloadUtils.convertByteUnits(parseInt(aAddon.size));
-      let formatted = gStrings.dl.GetStringFromName("doneSize");
-      formatted = formatted.replace("#1", size).replace("#2", unit);
-      sizeRow.value = formatted;
-    } else {
-      sizeRow.value = null;
-    }
-
-    var downloadsRow = document.getElementById("detail-downloads");
-    if (aAddon.totalDownloads && aIsRemote) {
-      var downloads = aAddon.totalDownloads;
-      downloadsRow.value = downloads;
-    } else {
-      downloadsRow.value = null;
-    }
-
-    var canUpdate = !aIsRemote && hasPermission(aAddon, "upgrade") && aAddon.id != AddonManager.hotfixID;
-    document.getElementById("detail-updates-row").hidden = !canUpdate;
-
-    if ("applyBackgroundUpdates" in aAddon) {
-      this._autoUpdate.hidden = false;
-      this._autoUpdate.value = aAddon.applyBackgroundUpdates;
-      let hideFindUpdates = AddonManager.shouldAutoUpdate(this._addon);
-      document.getElementById("detail-findUpdates-btn").hidden = hideFindUpdates;
-    } else {
-      this._autoUpdate.hidden = true;
-      document.getElementById("detail-findUpdates-btn").hidden = false;
-    }
-
-    document.getElementById("detail-prefs-btn").hidden = !aIsRemote &&
-      !gViewController.commands.cmd_showItemPreferences.isEnabled(aAddon);
-
-    var gridRows = document.querySelectorAll("#detail-grid rows row");
-    let first = true;
-    for (let gridRow of gridRows) {
-      if (first && window.getComputedStyle(gridRow, null).getPropertyValue("display") != "none") {
-        gridRow.setAttribute("first-row", true);
-        first = false;
-      } else {
-        gridRow.removeAttribute("first-row");
-      }
-    }
-
-    this.fillSettingsRows(aScrollToPreferences, (function() {
-      this.updateState();
-      gViewController.notifyViewChanged();
-    }).bind(this));
-  },
-
-  show: function(aAddonId, aRequest) {
-    let index = aAddonId.indexOf("/preferences");
-    let scrollToPreferences = false;
-    if (index >= 0) {
-      aAddonId = aAddonId.substring(0, index);
-      scrollToPreferences = true;
-    }
-
-    this._loadingTimer = setTimeout(() => {
-      this.node.setAttribute("loading-extended", true);
-    }, LOADING_MSG_DELAY);
-
-    var view = gViewController.currentViewId;
-
-    AddonManager.getAddonByID(aAddonId, (aAddon) => {
-      if (gViewController && aRequest != gViewController.currentViewRequest)
-        return;
-
-      if (aAddon) {
-        this._updateView(aAddon, false, scrollToPreferences);
-        return;
-      }
-
-      // Look for an add-on pending install
-      AddonManager.getAllInstalls(aInstalls => {
-        for (let install of aInstalls) {
-          if (install.state == AddonManager.STATE_INSTALLED &&
-              install.addon.id == aAddonId) {
-            this._updateView(install.addon, false);
-            return;
-          }
-        }
-
-        if (aAddonId in gCachedAddons) {
-          this._updateView(gCachedAddons[aAddonId], true);
-          return;
-        }
-
-        // This might happen due to session restore restoring us back to an
-        // add-on that doesn't exist but otherwise shouldn't normally happen.
-        // Either way just revert to the default view.
-        gViewController.replaceView(gViewDefault);
-      });
-    });
-  },
-
-  hide: function() {
-    AddonManager.removeManagerListener(this);
-    this.clearLoading();
-    if (this._addon) {
-      if (hasInlineOptions(this._addon)) {
-        Services.obs.notifyObservers(document,
-                                     AddonManager.OPTIONS_NOTIFICATION_HIDDEN,
-                                     this._addon.id);
-      }
-
-      gEventManager.unregisterAddonListener(this, this._addon.id);
-      gEventManager.unregisterInstallListener(this);
-      this._addon = null;
-
-      // Flush the preferences to disk so they survive any crash
-      if (this.node.getElementsByTagName("setting").length)
-        Services.prefs.savePrefFile(null);
-    }
-  },
-
-  updateState: function() {
-    gViewController.updateCommands();
-
-    var pending = this._addon.pendingOperations;
-    if (pending != AddonManager.PENDING_NONE) {
-      this.node.removeAttribute("notification");
-
-      pending = null;
-      const PENDING_OPERATIONS = ["enable", "disable", "install", "uninstall",
-                                  "upgrade"];
-      for (let op of PENDING_OPERATIONS) {
-        if (isPending(this._addon, op))
-          pending = op;
-      }
-
-      this.node.setAttribute("pending", pending);
-      document.getElementById("detail-pending").textContent = gStrings.ext.formatStringFromName(
-        "details.notification." + pending,
-        [this._addon.name, gStrings.brandShortName], 2
-      );
-    } else {
-      this.node.removeAttribute("pending");
-
-      if (this._addon.blocklistState == Ci.nsIBlocklistService.STATE_BLOCKED) {
-        this.node.setAttribute("notification", "error");
-        document.getElementById("detail-error").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.blocked",
-          [this._addon.name], 1
-        );
-        var errorLink = document.getElementById("detail-error-link");
-        errorLink.value = gStrings.ext.GetStringFromName("details.notification.blocked.link");
-        errorLink.href = this._addon.blocklistURL;
-        errorLink.hidden = false;
-      } else if (!isCorrectlySigned(this._addon) && SIGNING_REQUIRED) {
-        this.node.setAttribute("notification", "error");
-        document.getElementById("detail-error").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.unsignedAndDisabled", [this._addon.name, gStrings.brandShortName], 2
-        );
-        let errorLink = document.getElementById("detail-error-link");
-        errorLink.value = gStrings.ext.GetStringFromName("details.notification.unsigned.link");
-        errorLink.href = Services.urlFormatter.formatURLPref("app.support.baseURL") + "unsigned-addons";
-        errorLink.hidden = false;
-      } else if (!this._addon.isCompatible && (AddonManager.checkCompatibility ||
-        (this._addon.blocklistState != Ci.nsIBlocklistService.STATE_SOFTBLOCKED))) {
-        this.node.setAttribute("notification", "warning");
-        document.getElementById("detail-warning").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.incompatible",
-          [this._addon.name, gStrings.brandShortName, gStrings.appVersion], 3
-        );
-        document.getElementById("detail-warning-link").hidden = true;
-      } else if (!isCorrectlySigned(this._addon)) {
-        this.node.setAttribute("notification", "warning");
-        document.getElementById("detail-warning").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.unsigned", [this._addon.name, gStrings.brandShortName], 2
-        );
-        var warningLink = document.getElementById("detail-warning-link");
-        warningLink.value = gStrings.ext.GetStringFromName("details.notification.unsigned.link");
-        warningLink.href = Services.urlFormatter.formatURLPref("app.support.baseURL") + "unsigned-addons";
-        warningLink.hidden = false;
-      } else if (this._addon.blocklistState == Ci.nsIBlocklistService.STATE_SOFTBLOCKED) {
-        this.node.setAttribute("notification", "warning");
-        document.getElementById("detail-warning").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.softblocked",
-          [this._addon.name], 1
-        );
-        let warningLink = document.getElementById("detail-warning-link");
-        warningLink.value = gStrings.ext.GetStringFromName("details.notification.softblocked.link");
-        warningLink.href = this._addon.blocklistURL;
-        warningLink.hidden = false;
-      } else if (this._addon.blocklistState == Ci.nsIBlocklistService.STATE_OUTDATED) {
-        this.node.setAttribute("notification", "warning");
-        document.getElementById("detail-warning").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.outdated",
-          [this._addon.name], 1
-        );
-        let warningLink = document.getElementById("detail-warning-link");
-        warningLink.value = gStrings.ext.GetStringFromName("details.notification.outdated.link");
-        warningLink.href = this._addon.blocklistURL;
-        warningLink.hidden = false;
-      } else if (this._addon.blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_UPDATE_AVAILABLE) {
-        this.node.setAttribute("notification", "error");
-        document.getElementById("detail-error").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.vulnerableUpdatable",
-          [this._addon.name], 1
-        );
-        let errorLink = document.getElementById("detail-error-link");
-        errorLink.value = gStrings.ext.GetStringFromName("details.notification.vulnerableUpdatable.link");
-        errorLink.href = this._addon.blocklistURL;
-        errorLink.hidden = false;
-      } else if (this._addon.blocklistState == Ci.nsIBlocklistService.STATE_VULNERABLE_NO_UPDATE) {
-        this.node.setAttribute("notification", "error");
-        document.getElementById("detail-error").textContent = gStrings.ext.formatStringFromName(
-          "details.notification.vulnerableNoUpdate",
-          [this._addon.name], 1
-        );
-        let errorLink = document.getElementById("detail-error-link");
-        errorLink.value = gStrings.ext.GetStringFromName("details.notification.vulnerableNoUpdate.link");
-        errorLink.href = this._addon.blocklistURL;
-        errorLink.hidden = false;
-      } else if (this._addon.isGMPlugin && !this._addon.isInstalled &&
-                 this._addon.isActive) {
-        this.node.setAttribute("notification", "warning");
-        let warning = document.getElementById("detail-warning");
-        warning.textContent =
-          gStrings.ext.formatStringFromName("details.notification.gmpPending",
-                                            [this._addon.name], 1);
-      } else {
-        this.node.removeAttribute("notification");
-      }
-    }
-
-    let menulist = document.getElementById("detail-state-menulist");
-    let addonType = AddonManager.addonTypes[this._addon.type];
-    if (addonType.flags & AddonManager.TYPE_SUPPORTS_ASK_TO_ACTIVATE) {
-      let askItem = document.getElementById("detail-ask-to-activate-menuitem");
-      let alwaysItem = document.getElementById("detail-always-activate-menuitem");
-      let neverItem = document.getElementById("detail-never-activate-menuitem");
-      let hasActivatePermission =
-        ["ask_to_activate", "enable", "disable"].some(perm => hasPermission(this._addon, perm));
-
-      if (!this._addon.isActive) {
-        menulist.selectedItem = neverItem;
-      } else if (this._addon.userDisabled == AddonManager.STATE_ASK_TO_ACTIVATE) {
-        menulist.selectedItem = askItem;
-      } else {
-        menulist.selectedItem = alwaysItem;
-      }
-
-      menulist.disabled = !hasActivatePermission;
-      menulist.hidden = false;
-      menulist.classList.add('no-auto-hide');
-    } else {
-      menulist.hidden = true;
-    }
-
-    this.node.setAttribute("active", this._addon.isActive);
-  },
-
-  clearLoading: function() {
-    if (this._loadingTimer) {
-      clearTimeout(this._loadingTimer);
-      this._loadingTimer = null;
-    }
-
-    this.node.removeAttribute("loading-extended");
-  },
-
-  emptySettingsRows: function() {
-    var lastRow = document.getElementById("detail-downloads");
-    var rows = lastRow.parentNode;
-    while (lastRow.nextSibling)
-      rows.removeChild(rows.lastChild);
-  },
-
-  fillSettingsRows: function(aScrollToPreferences, aCallback) {
-    this.emptySettingsRows();
-    if (!hasInlineOptions(this._addon)) {
-      if (aCallback)
-        aCallback();
-      return;
-    }
-
-    // We can't use a promise for this, since some code (especially in tests)
-    // relies on us finishing before the ViewChanged event bubbles up to its
-    // listeners, and promises resolve asynchronously.
-    let whenViewLoaded = callback => {
-      if (gViewController.displayedView.hasAttribute("loading")) {
-        gDetailView.node.addEventListener("ViewChanged", function viewChangedEventListener() {
-          gDetailView.node.removeEventListener("ViewChanged", viewChangedEventListener);
-          callback();
-        });
-      } else {
-        callback();
-      }
-    };
-
-    let finish = (firstSetting) => {
-      // Ensure the page has loaded and force the XBL bindings to be synchronously applied,
-      // then notify observers.
-      whenViewLoaded(() => {
-        if (firstSetting)
-          firstSetting.clientTop;
-        Services.obs.notifyObservers(document,
-                                     AddonManager.OPTIONS_NOTIFICATION_DISPLAYED,
-                                     this._addon.id);
-        if (aScrollToPreferences)
-          gDetailView.scrollToPreferencesRows();
-      });
-    }
-
-    // This function removes and returns the text content of aNode without
-    // removing any child elements. Removing the text nodes ensures any XBL
-    // bindings apply properly.
-    function stripTextNodes(aNode) {
-      var text = '';
-      for (var i = 0; i < aNode.childNodes.length; i++) {
-        if (aNode.childNodes[i].nodeType != document.ELEMENT_NODE) {
-          text += aNode.childNodes[i].textContent;
-          aNode.removeChild(aNode.childNodes[i--]);
-        } else {
-          text += stripTextNodes(aNode.childNodes[i]);
-        }
-      }
-      return text;
-    }
-
-    var rows = document.getElementById("detail-downloads").parentNode;
-
-    try {
-      if (this._addon.optionsType == AddonManager.OPTIONS_TYPE_INLINE_BROWSER) {
-        whenViewLoaded(() => {
-          this.createOptionsBrowser(rows).then(browser => {
-            // Make sure the browser is unloaded as soon as we change views,
-            // rather than waiting for the next detail view to load.
-            document.addEventListener("ViewChanged", function viewChangedEventListener() {
-              document.removeEventListener("ViewChanged", viewChangedEventListener);
-              browser.remove();
-            });
-
-            finish(browser);
-          });
-        });
-
-        if (aCallback)
-          aCallback();
-      } else {
-        var xhr = new XMLHttpRequest();
-        xhr.open("GET", this._addon.optionsURL, true);
-        xhr.responseType = "xml";
-        xhr.onload = (function() {
-          var xml = xhr.responseXML;
-          var settings = xml.querySelectorAll(":root > setting");
-
-          var firstSetting = null;
-          for (var setting of settings) {
-
-            var desc = stripTextNodes(setting).trim();
-            if (!setting.hasAttribute("desc"))
-              setting.setAttribute("desc", desc);
-
-            var type = setting.getAttribute("type");
-            if (type == "file" || type == "directory")
-              setting.setAttribute("fullpath", "true");
-
-            setting = document.importNode(setting, true);
-            var style = setting.getAttribute("style");
-            if (style) {
-              setting.removeAttribute("style");
-              setting.setAttribute("style", style);
-            }
-
-            rows.appendChild(setting);
-            var visible = window.getComputedStyle(setting, null).getPropertyValue("display") != "none";
-            if (!firstSetting && visible) {
-              setting.setAttribute("first-row", true);
-              firstSetting = setting;
-            }
-          }
-
-          finish(firstSetting);
-
-          if (aCallback)
-            aCallback();
-        }).bind(this);
-        xhr.onerror = function(aEvent) {
-          Cu.reportError("Error " + aEvent.target.status +
-                         " occurred while receiving " + this._addon.optionsURL);
-          if (aCallback)
-            aCallback();
-        };
-        xhr.send();
-      }
-    } catch (e) {
-      Cu.reportError(e);
-      if (aCallback)
-        aCallback();
-    }
-  },
-
-  scrollToPreferencesRows: function() {
-    // We find this row, rather than remembering it from above,
-    // in case it has been changed by the observers.
-    let firstRow = gDetailView.node.querySelector('setting[first-row="true"]');
-    if (firstRow) {
-      let top = firstRow.boxObject.y;
-      top -= parseInt(window.getComputedStyle(firstRow, null).getPropertyValue("margin-top"));
-
-      let detailViewBoxObject = gDetailView.node.boxObject;
-      top -= detailViewBoxObject.y;
-
-      detailViewBoxObject.scrollTo(0, top);
-    }
-  },
-
-  createOptionsBrowser: function(parentNode) {
-    let browser = document.createElement("browser");
-    browser.setAttribute("type", "content");
-    browser.setAttribute("disableglobalhistory", "true");
-    browser.setAttribute("class", "inline-options-browser");
-
-    return new Promise((resolve, reject) => {
-      let messageListener = {
-        receiveMessage({name, data}) {
-          if (name === "Extension:BrowserResized")
-            browser.style.height = `${data.height}px`;
-          else if (name === "Extension:BrowserContentLoaded")
-            resolve(browser);
-        },
-      };
-
-      let onload = () => {
-        browser.removeEventListener("load", onload, true);
-
-        let mm = new FakeFrameMessageManager(browser);
-        mm.loadFrameScript("chrome://extensions/content/ext-browser-content.js",
-                           false);
-        mm.addMessageListener("Extension:BrowserContentLoaded", messageListener);
-        mm.addMessageListener("Extension:BrowserResized", messageListener);
-        mm.sendAsyncMessage("Extension:InitBrowser", {fixedWidth: true});
-
-        browser.setAttribute("src", this._addon.optionsURL);
-      };
-      browser.addEventListener("load", onload, true);
-      browser.addEventListener("error", reject);
-
-      parentNode.appendChild(browser);
-    });
-  },
-
-  getSelectedAddon: function() {
-    return this._addon;
-  },
-
-  onEnabling: function() {
-    this.updateState();
-  },
-
-  onEnabled: function() {
-    this.updateState();
-    this.fillSettingsRows();
-  },
-
-  onDisabling: function(aNeedsRestart) {
-    this.updateState();
-    if (!aNeedsRestart && hasInlineOptions(this._addon)) {
-      Services.obs.notifyObservers(document,
-                                   AddonManager.OPTIONS_NOTIFICATION_HIDDEN,
-                                   this._addon.id);
-    }
-  },
-
-  onDisabled: function() {
-    this.updateState();
-    this.emptySettingsRows();
-  },
-
-  onUninstalling: function() {
-    this.updateState();
-  },
-
-  onUninstalled: function() {
-    gViewController.popState();
-  },
-
-  onOperationCancelled: function() {
-    this.updateState();
-  },
-
-  onPropertyChanged: function(aProperties) {
-    if (aProperties.indexOf("applyBackgroundUpdates") != -1) {
-      this._autoUpdate.value = this._addon.applyBackgroundUpdates;
-      let hideFindUpdates = AddonManager.shouldAutoUpdate(this._addon);
-      document.getElementById("detail-findUpdates-btn").hidden = hideFindUpdates;
-    }
-
-    if (aProperties.indexOf("appDisabled") != -1 ||
-        aProperties.indexOf("signedState") != -1 ||
-        aProperties.indexOf("userDisabled") != -1)
-      this.updateState();
-  },
-
-  onExternalInstall: function(aAddon, aExistingAddon, aNeedsRestart) {
-    // Only care about upgrades for the currently displayed add-on
-    if (!aExistingAddon || aExistingAddon.id != this._addon.id)
-      return;
-
-    if (!aNeedsRestart)
-      this._updateView(aAddon, false);
-    else
-      this.updateState();
-  },
-
-  onInstallCancelled: function(aInstall) {
-    if (aInstall.addon.id == this._addon.id)
-      gViewController.popState();
-  }
-};
-
-
-var gUpdatesView = {
-  node: null,
-  _listBox: null,
-  _emptyNotice: null,
-  _sorters: null,
-  _updateSelected: null,
-  _categoryItem: null,
-
-  initialize: function() {
-    this.node = document.getElementById("updates-view");
-    this._listBox = document.getElementById("updates-list");
-    this._emptyNotice = document.getElementById("updates-list-empty");
-    this._sorters = document.getElementById("updates-sorters");
-    this._sorters.handler = this;
-
-    this._categoryItem = gCategories.get("addons://updates/available");
-
-    this._updateSelected = document.getElementById("update-selected-btn");
-    this._updateSelected.addEventListener("command", function() {
-      gUpdatesView.installSelected();
-    }, false);
-
-    this.updateAvailableCount(true);
-
-    AddonManager.addAddonListener(this);
-    AddonManager.addInstallListener(this);
-  },
-
-  shutdown: function() {
-    AddonManager.removeAddonListener(this);
-    AddonManager.removeInstallListener(this);
-  },
-
-  show: function(aType, aRequest) {
-    document.getElementById("empty-availableUpdates-msg").hidden = aType != "available";
-    document.getElementById("empty-recentUpdates-msg").hidden = aType != "recent";
-    this.showEmptyNotice(false);
-
-    while (this._listBox.itemCount > 0)
-      this._listBox.removeItemAt(0);
-
-    this.node.setAttribute("updatetype", aType);
-    if (aType == "recent")
-      this._showRecentUpdates(aRequest);
-    else
-      this._showAvailableUpdates(false, aRequest);
-  },
-
-  hide: function() {
-    this._updateSelected.hidden = true;
-    this._categoryItem.disabled = this._categoryItem.badgeCount == 0;
-    doPendingUninstalls(this._listBox);
-  },
-
-  _showRecentUpdates: function(aRequest) {
-    AddonManager.getAllAddons((aAddonsList) => {
-      if (gViewController && aRequest != gViewController.currentViewRequest)
-        return;
-
-      var elements = [];
-      let threshold = Date.now() - UPDATES_RECENT_TIMESPAN;
-      for (let addon of aAddonsList) {
-        if (addon.hidden || !addon.updateDate || addon.updateDate.getTime() < threshold)
-          continue;
-
-        elements.push(createItem(addon));
-      }
-
-      this.showEmptyNotice(elements.length == 0);
-      if (elements.length > 0) {
-        sortElements(elements, [this._sorters.sortBy], this._sorters.ascending);
-        for (let element of elements)
-          this._listBox.appendChild(element);
-      }
-
-      gViewController.notifyViewChanged();
-    });
-  },
-
-  _showAvailableUpdates: function(aIsRefresh, aRequest) {
-    /* Disable the Update Selected button so it can't get clicked
-       before everything is initialized asynchronously.
-       It will get re-enabled by maybeDisableUpdateSelected(). */
-    this._updateSelected.disabled = true;
-
-    AddonManager.getAllInstalls((aInstallsList) => {
-      if (!aIsRefresh && gViewController && aRequest &&
-          aRequest != gViewController.currentViewRequest)
-        return;
-
-      if (aIsRefresh) {
-        this.showEmptyNotice(false);
-        this._updateSelected.hidden = true;
-
-        while (this._listBox.childNodes.length > 0)
-          this._listBox.removeChild(this._listBox.firstChild);
-      }
-
-      var elements = [];
-
-      for (let install of aInstallsList) {
-        if (!this.isManualUpdate(install))
-          continue;
-
-        let item = createItem(install.existingAddon);
-        item.setAttribute("upgrade", true);
-        item.addEventListener("IncludeUpdateChanged", () => {
-          this.maybeDisableUpdateSelected();
-        }, false);
-        elements.push(item);
-      }
-
-      this.showEmptyNotice(elements.length == 0);
-      if (elements.length > 0) {
-        this._updateSelected.hidden = false;
-        sortElements(elements, [this._sorters.sortBy], this._sorters.ascending);
-        for (let element of elements)
-          this._listBox.appendChild(element);
-      }
-
-      // ensure badge count is in sync
-      this._categoryItem.badgeCount = this._listBox.itemCount;
-
-      gViewController.notifyViewChanged();
-    });
-  },
-
-  showEmptyNotice: function(aShow) {
-    this._emptyNotice.hidden = !aShow;
-    this._listBox.hidden = aShow;
-  },
-
-  isManualUpdate: function(aInstall, aOnlyAvailable) {
-    var isManual = aInstall.existingAddon &&
-                   !AddonManager.shouldAutoUpdate(aInstall.existingAddon);
-    if (isManual && aOnlyAvailable)
-      return isInState(aInstall, "available");
-    return isManual;
-  },
-
-  maybeRefresh: function() {
-    if (gViewController.currentViewId == "addons://updates/available")
-      this._showAvailableUpdates(true);
-    this.updateAvailableCount();
-  },
-
-  updateAvailableCount: function(aInitializing) {
-    if (aInitializing)
-      gPendingInitializations++;
-    AddonManager.getAllInstalls((aInstallsList) => {
-      var count = aInstallsList.filter(aInstall => {
-        return this.isManualUpdate(aInstall, true);
-      }).length;
-      this._categoryItem.disabled = gViewController.currentViewId != "addons://updates/available" &&
-                                    count == 0;
-      this._categoryItem.badgeCount = count;
-      if (aInitializing)
-        notifyInitialized();
-    });
-  },
-
-  maybeDisableUpdateSelected: function() {
-    for (let item of this._listBox.childNodes) {
-      if (item.includeUpdate) {
-        this._updateSelected.disabled = false;
-        return;
-      }
-    }
-    this._updateSelected.disabled = true;
-  },
-
-  installSelected: function() {
-    for (let item of this._listBox.childNodes) {
-      if (item.includeUpdate)
-        item.upgrade();
-    }
-
-    this._updateSelected.disabled = true;
-  },
-
-  getSelectedAddon: function() {
-    var item = this._listBox.selectedItem;
-    if (item)
-      return item.mAddon;
-    return null;
-  },
-
-  getListItemForID: function(aId) {
-    var listitem = this._listBox.firstChild;
-    while (listitem) {
-      if (listitem.mAddon.id == aId)
-        return listitem;
-      listitem = listitem.nextSibling;
-    }
-    return null;
-  },
-
-  onSortChanged: function(aSortBy, aAscending) {
-    sortList(this._listBox, aSortBy, aAscending);
-  },
-
-  onNewInstall: function(aInstall) {
-    if (!this.isManualUpdate(aInstall))
-      return;
-    this.maybeRefresh();
-  },
-
-  onInstallStarted: function(aInstall) {
-    this.updateAvailableCount();
-  },
-
-  onInstallCancelled: function(aInstall) {
-    if (!this.isManualUpdate(aInstall))
-      return;
-    this.maybeRefresh();
-  },
-
-  onPropertyChanged: function(aAddon, aProperties) {
-    if (aProperties.indexOf("applyBackgroundUpdates") != -1)
-      this.updateAvailableCount();
-  }
-};
-
-var gDragDrop = {
-  onDragOver: function(aEvent) {
-    var types = aEvent.dataTransfer.types;
-    if (types.includes("text/uri-list") ||
-        types.includes("text/x-moz-url") ||
-        types.includes("application/x-moz-file"))
-      aEvent.preventDefault();
-  },
-
-  onDrop: function(aEvent) {
-    var dataTransfer = aEvent.dataTransfer;
-    var urls = [];
-
-    // Convert every dropped item into a url
-    for (var i = 0; i < dataTransfer.mozItemCount; i++) {
-      var url = dataTransfer.mozGetDataAt("text/uri-list", i);
-      if (url) {
-        urls.push(url);
-        continue;
-      }
-
-      url = dataTransfer.mozGetDataAt("text/x-moz-url", i);
-      if (url) {
-        urls.push(url.split("\n")[0]);
-        continue;
-      }
-
-      var file = dataTransfer.mozGetDataAt("application/x-moz-file", i);
-      if (file) {
-        urls.push(Services.io.newFileURI(file).spec);
-        continue;
-      }
-    }
-
-    var pos = 0;
-    var installs = [];
-
-    function buildNextInstall() {
-      if (pos == urls.length) {
-        if (installs.length > 0) {
-          // Display the normal install confirmation for the installs
-          let webInstaller = Cc["@mozilla.org/addons/web-install-listener;1"].
-                             getService(Ci.amIWebInstallListener);
-          webInstaller.onWebInstallRequested(getBrowserElement(),
-                                             document.documentURIObject,
-                                             installs);
-        }
-        return;
-      }
-
-      AddonManager.getInstallForURL(urls[pos++], function(aInstall) {
-        installs.push(aInstall);
-        buildNextInstall();
-      }, "application/x-xpinstall");
-    }
-
-    buildNextInstall();
-
-    aEvent.preventDefault();
-  }
-};