michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
michael@0: Components.utils.import("resource://gre/modules/AddonManager.jsm");
michael@0: 
michael@0: //=================================================
michael@0: // Console constructor
michael@0: function Console() {
michael@0:   this._console = Components.classes["@mozilla.org/consoleservice;1"]
michael@0:                             .getService(Ci.nsIConsoleService);
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // Console implementation
michael@0: Console.prototype = {
michael@0:   log: function cs_log(aMsg) {
michael@0:     this._console.logStringMessage(aMsg);
michael@0:   },
michael@0: 
michael@0:   open: function cs_open() {
michael@0:     var wMediator = Components.classes["@mozilla.org/appshell/window-mediator;1"]
michael@0:                               .getService(Ci.nsIWindowMediator);
michael@0:     var console = wMediator.getMostRecentWindow("global:console");
michael@0:     if (!console) {
michael@0:       var wWatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
michael@0:                              .getService(Ci.nsIWindowWatcher);
michael@0:       wWatch.openWindow(null, "chrome://global/content/console.xul", "_blank",
michael@0:                         "chrome,dialog=no,all", null);
michael@0:     } else {
michael@0:       // console was already open
michael@0:       console.focus();
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIConsole])
michael@0: };
michael@0: 
michael@0: 
michael@0: //=================================================
michael@0: // EventItem constructor
michael@0: function EventItem(aType, aData) {
michael@0:   this._type = aType;
michael@0:   this._data = aData;
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // EventItem implementation
michael@0: EventItem.prototype = {
michael@0:   _cancel: false,
michael@0: 
michael@0:   get type() {
michael@0:     return this._type;
michael@0:   },
michael@0: 
michael@0:   get data() {
michael@0:     return this._data;
michael@0:   },
michael@0: 
michael@0:   preventDefault: function ei_pd() {
michael@0:     this._cancel = true;
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIEventItem])
michael@0: };
michael@0: 
michael@0: 
michael@0: //=================================================
michael@0: // Events constructor
michael@0: function Events(notifier) {
michael@0:   this._listeners = [];
michael@0:   this._notifier = notifier;
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // Events implementation
michael@0: Events.prototype = {
michael@0:   addListener: function evts_al(aEvent, aListener) {
michael@0:     function hasFilter(element) {
michael@0:       return element.event == aEvent && element.listener == aListener;
michael@0:     }
michael@0: 
michael@0:     if (this._listeners.some(hasFilter))
michael@0:       return;
michael@0: 
michael@0:     this._listeners.push({
michael@0:       event: aEvent,
michael@0:       listener: aListener
michael@0:     });
michael@0: 
michael@0:     if (this._notifier) {
michael@0:       this._notifier(aEvent, aListener);
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   removeListener: function evts_rl(aEvent, aListener) {
michael@0:     function hasFilter(element) {
michael@0:       return (element.event != aEvent) || (element.listener != aListener);
michael@0:     }
michael@0: 
michael@0:     this._listeners = this._listeners.filter(hasFilter);
michael@0:   },
michael@0: 
michael@0:   dispatch: function evts_dispatch(aEvent, aEventItem) {
michael@0:     var eventItem = new EventItem(aEvent, aEventItem);
michael@0: 
michael@0:     this._listeners.forEach(function(key){
michael@0:       if (key.event == aEvent) {
michael@0:         key.listener.handleEvent ?
michael@0:           key.listener.handleEvent(eventItem) :
michael@0:           key.listener(eventItem);
michael@0:       }
michael@0:     });
michael@0: 
michael@0:     return !eventItem._cancel;
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
michael@0: };
michael@0: 
michael@0: //=================================================
michael@0: // PreferenceObserver (internal class)
michael@0: //
michael@0: // PreferenceObserver is a global singleton which watches the browser's
michael@0: // preferences and sends you events when things change.
michael@0: 
michael@0: function PreferenceObserver() {
michael@0:   this._observersDict = {};
michael@0: }
michael@0: 
michael@0: PreferenceObserver.prototype = {
michael@0:   /**
michael@0:    * Add a preference observer.
michael@0:    *
michael@0:    * @param aPrefs the nsIPrefBranch onto which we'll install our listener.
michael@0:    * @param aDomain the domain our listener will watch (a string).
michael@0:    * @param aEvent the event to listen to (you probably want "change").
michael@0:    * @param aListener the function to call back when the event fires.  This
michael@0:    *                  function will receive an EventData argument.
michael@0:    */
michael@0:   addListener: function po_al(aPrefs, aDomain, aEvent, aListener) {
michael@0:     var root = aPrefs.root;
michael@0:     if (!this._observersDict[root]) {
michael@0:       this._observersDict[root] = {};
michael@0:     }
michael@0:     var observer = this._observersDict[root][aDomain];
michael@0: 
michael@0:     if (!observer) {
michael@0:       observer = {
michael@0:         events: new Events(),
michael@0:         observe: function po_observer_obs(aSubject, aTopic, aData) {
michael@0:           this.events.dispatch("change", aData);
michael@0:         },
michael@0:         QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
michael@0:                                                Ci.nsISupportsWeakReference])
michael@0:       };
michael@0:       observer.prefBranch = aPrefs;
michael@0:       observer.prefBranch.addObserver(aDomain, observer, /* ownsWeak = */ true);
michael@0: 
michael@0:       // Notice that the prefBranch keeps a weak reference to the observer;
michael@0:       // it's this._observersDict which keeps the observer alive.
michael@0:       this._observersDict[root][aDomain] = observer;
michael@0:     }
michael@0:     observer.events.addListener(aEvent, aListener);
michael@0:   },
michael@0: 
michael@0:   /**
michael@0:    * Remove a preference observer.
michael@0:    *
michael@0:    * This function's parameters are identical to addListener's.
michael@0:    */
michael@0:   removeListener: function po_rl(aPrefs, aDomain, aEvent, aListener) {
michael@0:     var root = aPrefs.root;
michael@0:     if (!this._observersDict[root] ||
michael@0:         !this._observersDict[root][aDomain]) {
michael@0:       return;
michael@0:     }
michael@0:     var observer = this._observersDict[root][aDomain];
michael@0:     observer.events.removeListener(aEvent, aListener);
michael@0: 
michael@0:     if (observer.events._listeners.length == 0) {
michael@0:       // nsIPrefBranch objects are not singletons -- we can have two
michael@0:       // nsIPrefBranch'es for the same branch.  There's no guarantee that
michael@0:       // aPrefs is the same object as observer.prefBranch, so we have to call
michael@0:       // removeObserver on observer.prefBranch.
michael@0:       observer.prefBranch.removeObserver(aDomain, observer);
michael@0:       delete this._observersDict[root][aDomain];
michael@0:       if (Object.keys(this._observersDict[root]).length == 0) {
michael@0:         delete this._observersDict[root];
michael@0:       }
michael@0:     }
michael@0:   }
michael@0: };
michael@0: 
michael@0: //=================================================
michael@0: // PreferenceBranch constructor
michael@0: function PreferenceBranch(aBranch) {
michael@0:   if (!aBranch)
michael@0:     aBranch = "";
michael@0: 
michael@0:   this._root = aBranch;
michael@0:   this._prefs = Components.classes["@mozilla.org/preferences-service;1"]
michael@0:                           .getService(Ci.nsIPrefService)
michael@0:                           .QueryInterface(Ci.nsIPrefBranch);
michael@0: 
michael@0:   if (aBranch)
michael@0:     this._prefs = this._prefs.getBranch(aBranch);
michael@0: 
michael@0:   let prefs = this._prefs;
michael@0:   this._events = {
michael@0:     addListener: function pb_al(aEvent, aListener) {
michael@0:       gPreferenceObserver.addListener(prefs, "", aEvent, aListener);
michael@0:     },
michael@0:     removeListener: function pb_rl(aEvent, aListener) {
michael@0:       gPreferenceObserver.removeListener(prefs, "", aEvent, aListener);
michael@0:     },
michael@0:     QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
michael@0:   };
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // PreferenceBranch implementation
michael@0: PreferenceBranch.prototype = {
michael@0:   get root() {
michael@0:     return this._root;
michael@0:   },
michael@0: 
michael@0:   get all() {
michael@0:     return this.find({});
michael@0:   },
michael@0: 
michael@0:   get events() {
michael@0:     return this._events;
michael@0:   },
michael@0: 
michael@0:   // XXX: Disabled until we can figure out the wrapped object issues
michael@0:   // name: "name" or /name/
michael@0:   // path: "foo.bar." or "" or /fo+\.bar/
michael@0:   // type: Boolean, Number, String (getPrefType)
michael@0:   // locked: true, false (prefIsLocked)
michael@0:   // modified: true, false (prefHasUserValue)
michael@0:   find: function prefs_find(aOptions) {
michael@0:     var retVal = [];
michael@0:     var items = this._prefs.getChildList("");
michael@0: 
michael@0:     for (var i = 0; i < items.length; i++) {
michael@0:       retVal.push(new Preference(items[i], this));
michael@0:     }
michael@0: 
michael@0:     return retVal;
michael@0:   },
michael@0: 
michael@0:   has: function prefs_has(aName) {
michael@0:     return (this._prefs.getPrefType(aName) != Ci.nsIPrefBranch.PREF_INVALID);
michael@0:   },
michael@0: 
michael@0:   get: function prefs_get(aName) {
michael@0:     return this.has(aName) ? new Preference(aName, this) : null;
michael@0:   },
michael@0: 
michael@0:   getValue: function prefs_gv(aName, aValue) {
michael@0:     var type = this._prefs.getPrefType(aName);
michael@0: 
michael@0:     switch (type) {
michael@0:       case Ci.nsIPrefBranch.PREF_STRING:
michael@0:         aValue = this._prefs.getComplexValue(aName, Ci.nsISupportsString).data;
michael@0:         break;
michael@0:       case Ci.nsIPrefBranch.PREF_BOOL:
michael@0:         aValue = this._prefs.getBoolPref(aName);
michael@0:         break;
michael@0:       case Ci.nsIPrefBranch.PREF_INT:
michael@0:         aValue = this._prefs.getIntPref(aName);
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return aValue;
michael@0:   },
michael@0: 
michael@0:   setValue: function prefs_sv(aName, aValue) {
michael@0:     var type = aValue != null ? aValue.constructor.name : "";
michael@0: 
michael@0:     switch (type) {
michael@0:       case "String":
michael@0:         var str = Components.classes["@mozilla.org/supports-string;1"]
michael@0:                             .createInstance(Ci.nsISupportsString);
michael@0:         str.data = aValue;
michael@0:         this._prefs.setComplexValue(aName, Ci.nsISupportsString, str);
michael@0:         break;
michael@0:       case "Boolean":
michael@0:         this._prefs.setBoolPref(aName, aValue);
michael@0:         break;
michael@0:       case "Number":
michael@0:         this._prefs.setIntPref(aName, aValue);
michael@0:         break;
michael@0:       default:
michael@0:         throw("Unknown preference value specified.");
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   reset: function prefs_reset() {
michael@0:     this._prefs.resetBranch("");
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIPreferenceBranch])
michael@0: };
michael@0: 
michael@0: 
michael@0: //=================================================
michael@0: // Preference constructor
michael@0: function Preference(aName, aBranch) {
michael@0:   this._name = aName;
michael@0:   this._branch = aBranch;
michael@0: 
michael@0:   var self = this;
michael@0:   this._events = {
michael@0:     addListener: function pref_al(aEvent, aListener) {
michael@0:       gPreferenceObserver.addListener(self._branch._prefs, self._name, aEvent, aListener);
michael@0:     },
michael@0:     removeListener: function pref_rl(aEvent, aListener) {
michael@0:       gPreferenceObserver.removeListener(self._branch._prefs, self._name, aEvent, aListener);
michael@0:     },
michael@0:     QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
michael@0:   };
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // Preference implementation
michael@0: Preference.prototype = {
michael@0:   get name() {
michael@0:     return this._name;
michael@0:   },
michael@0: 
michael@0:   get type() {
michael@0:     var value = "";
michael@0:     var type = this.branch._prefs.getPrefType(this._name);
michael@0: 
michael@0:     switch (type) {
michael@0:       case Ci.nsIPrefBranch.PREF_STRING:
michael@0:         value = "String";
michael@0:         break;
michael@0:       case Ci.nsIPrefBranch.PREF_BOOL:
michael@0:         value = "Boolean";
michael@0:         break;
michael@0:       case Ci.nsIPrefBranch.PREF_INT:
michael@0:         value = "Number";
michael@0:         break;
michael@0:     }
michael@0: 
michael@0:     return value;
michael@0:   },
michael@0: 
michael@0:   get value() {
michael@0:     return this.branch.getValue(this._name, null);
michael@0:   },
michael@0: 
michael@0:   set value(aValue) {
michael@0:     return this.branch.setValue(this._name, aValue);
michael@0:   },
michael@0: 
michael@0:   get locked() {
michael@0:     return this.branch._prefs.prefIsLocked(this.name);
michael@0:   },
michael@0: 
michael@0:   set locked(aValue) {
michael@0:     this.branch._prefs[ aValue ? "lockPref" : "unlockPref" ](this.name);
michael@0:   },
michael@0: 
michael@0:   get modified() {
michael@0:     return this.branch._prefs.prefHasUserValue(this.name);
michael@0:   },
michael@0: 
michael@0:   get branch() {
michael@0:     return this._branch;
michael@0:   },
michael@0: 
michael@0:   get events() {
michael@0:     return this._events;
michael@0:   },
michael@0: 
michael@0:   reset: function pref_reset() {
michael@0:     this.branch._prefs.clearUserPref(this.name);
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIPreference])
michael@0: };
michael@0: 
michael@0: 
michael@0: //=================================================
michael@0: // SessionStorage constructor
michael@0: function SessionStorage() {
michael@0:   this._storage = {};
michael@0:   this._events = new Events();
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // SessionStorage implementation
michael@0: SessionStorage.prototype = {
michael@0:   get events() {
michael@0:     return this._events;
michael@0:   },
michael@0: 
michael@0:   has: function ss_has(aName) {
michael@0:     return this._storage.hasOwnProperty(aName);
michael@0:   },
michael@0: 
michael@0:   set: function ss_set(aName, aValue) {
michael@0:     this._storage[aName] = aValue;
michael@0:     this._events.dispatch("change", aName);
michael@0:   },
michael@0: 
michael@0:   get: function ss_get(aName, aDefaultValue) {
michael@0:     return this.has(aName) ? this._storage[aName] : aDefaultValue;
michael@0:   },
michael@0: 
michael@0:   QueryInterface : XPCOMUtils.generateQI([Ci.extISessionStorage])
michael@0: };
michael@0: 
michael@0: //=================================================
michael@0: // ExtensionObserver constructor (internal class)
michael@0: //
michael@0: // ExtensionObserver is a global singleton which watches the browser's
michael@0: // extensions and sends you events when things change.
michael@0: 
michael@0: function ExtensionObserver() {
michael@0:   this._eventsDict = {};
michael@0: 
michael@0:   AddonManager.addAddonListener(this);
michael@0:   AddonManager.addInstallListener(this);
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // ExtensionObserver implementation (internal class)
michael@0: ExtensionObserver.prototype = {
michael@0:   onDisabling: function eo_onDisabling(addon, needsRestart) {
michael@0:     this._dispatchEvent(addon.id, "disable");
michael@0:   },
michael@0: 
michael@0:   onEnabling: function eo_onEnabling(addon, needsRestart) {
michael@0:     this._dispatchEvent(addon.id, "enable");
michael@0:   },
michael@0: 
michael@0:   onUninstalling: function eo_onUninstalling(addon, needsRestart) {
michael@0:     this._dispatchEvent(addon.id, "uninstall");
michael@0:   },
michael@0: 
michael@0:   onOperationCancelled: function eo_onOperationCancelled(addon) {
michael@0:     this._dispatchEvent(addon.id, "cancel");
michael@0:   },
michael@0: 
michael@0:   onInstallEnded: function eo_onInstallEnded(install, addon) {
michael@0:     this._dispatchEvent(addon.id, "upgrade");
michael@0:   },
michael@0: 
michael@0:   addListener: function eo_al(aId, aEvent, aListener) {
michael@0:     var events = this._eventsDict[aId];
michael@0:     if (!events) {
michael@0:       events = new Events();
michael@0:       this._eventsDict[aId] = events;
michael@0:     }
michael@0:     events.addListener(aEvent, aListener);
michael@0:   },
michael@0: 
michael@0:   removeListener: function eo_rl(aId, aEvent, aListener) {
michael@0:     var events = this._eventsDict[aId];
michael@0:     if (!events) {
michael@0:       return;
michael@0:     }
michael@0:     events.removeListener(aEvent, aListener);
michael@0:     if (events._listeners.length == 0) {
michael@0:       delete this._eventsDict[aId];
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   _dispatchEvent: function eo_dispatchEvent(aId, aEvent) {
michael@0:     var events = this._eventsDict[aId];
michael@0:     if (events) {
michael@0:       events.dispatch(aEvent, aId);
michael@0:     }
michael@0:   }
michael@0: };
michael@0: 
michael@0: //=================================================
michael@0: // Extension constructor
michael@0: function Extension(aItem) {
michael@0:   this._item = aItem;
michael@0:   this._firstRun = false;
michael@0:   this._prefs = new PreferenceBranch("extensions." + this.id + ".");
michael@0:   this._storage = new SessionStorage();
michael@0: 
michael@0:   let id = this.id;
michael@0:   this._events = {
michael@0:     addListener: function ext_events_al(aEvent, aListener) {
michael@0:       gExtensionObserver.addListener(id, aEvent, aListener);
michael@0:     },
michael@0:     removeListener: function ext_events_rl(aEvent, aListener) {
michael@0:       gExtensionObserver.addListener(id, aEvent, aListener);
michael@0:     },
michael@0:     QueryInterface: XPCOMUtils.generateQI([Ci.extIEvents])
michael@0:   };
michael@0: 
michael@0:   var installPref = "install-event-fired";
michael@0:   if (!this._prefs.has(installPref)) {
michael@0:     this._prefs.setValue(installPref, true);
michael@0:     this._firstRun = true;
michael@0:   }
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // Extension implementation
michael@0: Extension.prototype = {
michael@0:   get id() {
michael@0:     return this._item.id;
michael@0:   },
michael@0: 
michael@0:   get name() {
michael@0:     return this._item.name;
michael@0:   },
michael@0: 
michael@0:   get enabled() {
michael@0:     return this._item.isActive;
michael@0:   },
michael@0: 
michael@0:   get version() {
michael@0:     return this._item.version;
michael@0:   },
michael@0: 
michael@0:   get firstRun() {
michael@0:     return this._firstRun;
michael@0:   },
michael@0: 
michael@0:   get storage() {
michael@0:     return this._storage;
michael@0:   },
michael@0: 
michael@0:   get prefs() {
michael@0:     return this._prefs;
michael@0:   },
michael@0: 
michael@0:   get events() {
michael@0:     return this._events;
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIExtension])
michael@0: };
michael@0: 
michael@0: 
michael@0: //=================================================
michael@0: // Extensions constructor
michael@0: function Extensions(addons) {
michael@0:   this._cache = {};
michael@0: 
michael@0:   addons.forEach(function (addon) {
michael@0:     this._cache[addon.id] = new Extension(addon);
michael@0:   }, this);
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // Extensions implementation
michael@0: Extensions.prototype = {
michael@0:   get all() {
michael@0:     return this.find({});
michael@0:   },
michael@0: 
michael@0:   // XXX: Disabled until we can figure out the wrapped object issues
michael@0:   // id: "some@id" or /id/
michael@0:   // name: "name" or /name/
michael@0:   // version: "1.0.1"
michael@0:   // minVersion: "1.0"
michael@0:   // maxVersion: "2.0"
michael@0:   find: function exts_find(aOptions) {
michael@0:     return [e for each (e in this._cache)];
michael@0:   },
michael@0: 
michael@0:   has: function exts_has(aId) {
michael@0:     return aId in this._cache;
michael@0:   },
michael@0: 
michael@0:   get: function exts_get(aId) {
michael@0:     return this.has(aId) ? this._cache[aId] : null;
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIExtensions])
michael@0: };
michael@0: 
michael@0: //=================================================
michael@0: // Application globals
michael@0: 
michael@0: gExtensionObserver = new ExtensionObserver();
michael@0: gPreferenceObserver = new PreferenceObserver();
michael@0: 
michael@0: //=================================================
michael@0: // extApplication constructor
michael@0: function extApplication() {
michael@0: }
michael@0: 
michael@0: //=================================================
michael@0: // extApplication implementation
michael@0: extApplication.prototype = {
michael@0:   initToolkitHelpers: function extApp_initToolkitHelpers() {
michael@0:     XPCOMUtils.defineLazyServiceGetter(this, "_info",
michael@0:                                        "@mozilla.org/xre/app-info;1",
michael@0:                                        "nsIXULAppInfo");
michael@0: 
michael@0:     this._obs = Cc["@mozilla.org/observer-service;1"].
michael@0:                 getService(Ci.nsIObserverService);
michael@0:     this._obs.addObserver(this, "xpcom-shutdown", /* ownsWeak = */ true);
michael@0:     this._registered = {"unload": true};
michael@0:   },
michael@0: 
michael@0:   classInfo: XPCOMUtils.generateCI({interfaces: [Ci.extIApplication,
michael@0:                                                  Ci.nsIObserver],
michael@0:                                     flags: Ci.nsIClassInfo.SINGLETON}),
michael@0: 
michael@0:   // extIApplication
michael@0:   get id() {
michael@0:     return this._info.ID;
michael@0:   },
michael@0: 
michael@0:   get name() {
michael@0:     return this._info.name;
michael@0:   },
michael@0: 
michael@0:   get version() {
michael@0:     return this._info.version;
michael@0:   },
michael@0: 
michael@0:   // for nsIObserver
michael@0:   observe: function app_observe(aSubject, aTopic, aData) {
michael@0:     if (aTopic == "app-startup") {
michael@0:       this.events.dispatch("load", "application");
michael@0:     }
michael@0:     else if (aTopic == "final-ui-startup") {
michael@0:       this.events.dispatch("ready", "application");
michael@0:     }
michael@0:     else if (aTopic == "quit-application-requested") {
michael@0:       // we can stop the quit by checking the return value
michael@0:       if (this.events.dispatch("quit", "application") == false)
michael@0:         aSubject.data = true;
michael@0:     }
michael@0:     else if (aTopic == "xpcom-shutdown") {
michael@0:       this.events.dispatch("unload", "application");
michael@0:       gExtensionObserver = null;
michael@0:       gPreferenceObserver = null;
michael@0:     }
michael@0:   },
michael@0: 
michael@0:   get console() {
michael@0:     let console = new Console();
michael@0:     this.__defineGetter__("console", function () console);
michael@0:     return this.console;
michael@0:   },
michael@0: 
michael@0:   get storage() {
michael@0:     let storage = new SessionStorage();
michael@0:     this.__defineGetter__("storage", function () storage);
michael@0:     return this.storage;
michael@0:   },
michael@0: 
michael@0:   get prefs() {
michael@0:     let prefs = new PreferenceBranch("");
michael@0:     this.__defineGetter__("prefs", function () prefs);
michael@0:     return this.prefs;
michael@0:   },
michael@0: 
michael@0:   getExtensions: function(callback) {
michael@0:     AddonManager.getAddonsByTypes(["extension"], function (addons) {
michael@0:       callback.callback(new Extensions(addons));
michael@0:     });
michael@0:   },
michael@0: 
michael@0:   get events() {
michael@0: 
michael@0:     // This ensures that FUEL only registers for notifications as needed
michael@0:     // by callers. Note that the unload (xpcom-shutdown) event is listened
michael@0:     // for by default, as it's needed for cleanup purposes.
michael@0:     var self = this;
michael@0:     function registerCheck(aEvent) {
michael@0:       var rmap = { "load": "app-startup",
michael@0:                    "ready": "final-ui-startup",
michael@0:                    "quit": "quit-application-requested"};
michael@0:       if (!(aEvent in rmap) || aEvent in self._registered)
michael@0:         return;
michael@0: 
michael@0:       self._obs.addObserver(self, rmap[aEvent], /* ownsWeak = */ true);
michael@0:       self._registered[aEvent] = true;
michael@0:     }
michael@0: 
michael@0:     let events = new Events(registerCheck);
michael@0:     this.__defineGetter__("events", function () events);
michael@0:     return this.events;
michael@0:   },
michael@0: 
michael@0:   // helper method for correct quitting/restarting
michael@0:   _quitWithFlags: function app__quitWithFlags(aFlags) {
michael@0:     let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
michael@0:                                .createInstance(Components.interfaces.nsISupportsPRBool);
michael@0:     let quitType = aFlags & Components.interfaces.nsIAppStartup.eRestart ? "restart" : null;
michael@0:     this._obs.notifyObservers(cancelQuit, "quit-application-requested", quitType);
michael@0:     if (cancelQuit.data)
michael@0:       return false; // somebody canceled our quit request
michael@0: 
michael@0:     let appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1']
michael@0:                                .getService(Components.interfaces.nsIAppStartup);
michael@0:     appStartup.quit(aFlags);
michael@0:     return true;
michael@0:   },
michael@0: 
michael@0:   quit: function app_quit() {
michael@0:     return this._quitWithFlags(Components.interfaces.nsIAppStartup.eAttemptQuit);
michael@0:   },
michael@0: 
michael@0:   restart: function app_restart() {
michael@0:     return this._quitWithFlags(Components.interfaces.nsIAppStartup.eAttemptQuit |
michael@0:                                Components.interfaces.nsIAppStartup.eRestart);
michael@0:   },
michael@0: 
michael@0:   QueryInterface: XPCOMUtils.generateQI([Ci.extIApplication, Ci.nsISupportsWeakReference])
michael@0: };