зеркало из https://github.com/mozilla/gecko-dev.git
688 строки
18 KiB
JavaScript
688 строки
18 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FUEL.
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*
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* The Initial Developer of the Original Code is Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Finkle <mfinkle@mozilla.com> (Original Author)
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* John Resig <jresig@mozilla.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");
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Components.utils.import("resource://gre/modules/AddonManager.jsm");
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//=================================================
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// Shutdown - used to store cleanup functions which will
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// be called on Application shutdown
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var gShutdown = [];
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//=================================================
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// Console constructor
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function Console() {
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this._console = Components.classes["@mozilla.org/consoleservice;1"]
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.getService(Ci.nsIConsoleService);
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}
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//=================================================
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// Console implementation
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Console.prototype = {
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log : function cs_log(aMsg) {
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this._console.logStringMessage(aMsg);
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},
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open : function cs_open() {
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var wMediator = Components.classes["@mozilla.org/appshell/window-mediator;1"]
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.getService(Ci.nsIWindowMediator);
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var console = wMediator.getMostRecentWindow("global:console");
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if (!console) {
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var wWatch = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
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.getService(Ci.nsIWindowWatcher);
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wWatch.openWindow(null, "chrome://global/content/console.xul", "_blank",
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"chrome,dialog=no,all", null);
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} else {
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// console was already open
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console.focus();
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}
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIConsole])
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};
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//=================================================
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// EventItem constructor
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function EventItem(aType, aData) {
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this._type = aType;
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this._data = aData;
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}
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//=================================================
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// EventItem implementation
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EventItem.prototype = {
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_cancel : false,
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get type() {
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return this._type;
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},
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get data() {
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return this._data;
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},
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preventDefault : function ei_pd() {
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this._cancel = true;
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIEventItem])
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};
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//=================================================
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// Events constructor
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function Events(notifier) {
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this._listeners = [];
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this._notifier = notifier;
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}
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//=================================================
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// Events implementation
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Events.prototype = {
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addListener : function evts_al(aEvent, aListener) {
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function hasFilter(element) {
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return element.event == aEvent && element.listener == aListener;
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}
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if (this._listeners.some(hasFilter))
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return;
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this._listeners.push({
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event: aEvent,
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listener: aListener
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});
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if (this._notifier) {
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this._notifier(aEvent, aListener);
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}
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},
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removeListener : function evts_rl(aEvent, aListener) {
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function hasFilter(element) {
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return (element.event != aEvent) || (element.listener != aListener);
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}
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this._listeners = this._listeners.filter(hasFilter);
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},
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dispatch : function evts_dispatch(aEvent, aEventItem) {
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var eventItem = new EventItem(aEvent, aEventItem);
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this._listeners.forEach(function(key){
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if (key.event == aEvent) {
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key.listener.handleEvent ?
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key.listener.handleEvent(eventItem) :
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key.listener(eventItem);
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}
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});
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return !eventItem._cancel;
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIEvents])
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};
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//=================================================
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// PreferenceBranch constructor
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function PreferenceBranch(aBranch) {
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if (!aBranch)
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aBranch = "";
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this._root = aBranch;
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this._prefs = Components.classes["@mozilla.org/preferences-service;1"]
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.getService(Ci.nsIPrefService);
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if (aBranch)
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this._prefs = this._prefs.getBranch(aBranch);
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this._prefs.QueryInterface(Ci.nsIPrefBranch);
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this._prefs.QueryInterface(Ci.nsIPrefBranch2);
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// we want to listen to "all" changes for this branch, so pass in a blank domain
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this._prefs.addObserver("", this, true);
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this._events = new Events();
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var self = this;
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gShutdown.push(function() { self._shutdown(); });
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}
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//=================================================
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// PreferenceBranch implementation
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PreferenceBranch.prototype = {
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// cleanup observer so we don't leak
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_shutdown: function prefs_shutdown() {
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this._prefs.removeObserver(this._root, this);
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this._prefs = null;
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this._events = null;
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},
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// for nsIObserver
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observe: function prefs_observe(aSubject, aTopic, aData) {
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if (aTopic == "nsPref:changed")
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this._events.dispatch("change", aData);
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},
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get root() {
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return this._root;
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},
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get all() {
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return this.find({});
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},
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get events() {
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return this._events;
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},
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// XXX: Disabled until we can figure out the wrapped object issues
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// name: "name" or /name/
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// path: "foo.bar." or "" or /fo+\.bar/
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// type: Boolean, Number, String (getPrefType)
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// locked: true, false (prefIsLocked)
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// modified: true, false (prefHasUserValue)
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find : function prefs_find(aOptions) {
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var retVal = [];
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var items = this._prefs.getChildList("");
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for (var i = 0; i < items.length; i++) {
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retVal.push(new Preference(items[i], this));
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}
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return retVal;
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},
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has : function prefs_has(aName) {
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return (this._prefs.getPrefType(aName) != Ci.nsIPrefBranch.PREF_INVALID);
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},
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get : function prefs_get(aName) {
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return this.has(aName) ? new Preference(aName, this) : null;
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},
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getValue : function prefs_gv(aName, aValue) {
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var type = this._prefs.getPrefType(aName);
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switch (type) {
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case Ci.nsIPrefBranch2.PREF_STRING:
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aValue = this._prefs.getComplexValue(aName, Ci.nsISupportsString).data;
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break;
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case Ci.nsIPrefBranch2.PREF_BOOL:
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aValue = this._prefs.getBoolPref(aName);
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break;
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case Ci.nsIPrefBranch2.PREF_INT:
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aValue = this._prefs.getIntPref(aName);
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break;
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}
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return aValue;
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},
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setValue : function prefs_sv(aName, aValue) {
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var type = aValue != null ? aValue.constructor.name : "";
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switch (type) {
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case "String":
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var str = Components.classes["@mozilla.org/supports-string;1"]
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.createInstance(Ci.nsISupportsString);
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str.data = aValue;
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this._prefs.setComplexValue(aName, Ci.nsISupportsString, str);
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break;
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case "Boolean":
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this._prefs.setBoolPref(aName, aValue);
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break;
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case "Number":
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this._prefs.setIntPref(aName, aValue);
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break;
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default:
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throw("Unknown preference value specified.");
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}
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},
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reset : function prefs_reset() {
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this._prefs.resetBranch("");
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIPreferenceBranch, Ci.nsISupportsWeakReference])
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};
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//=================================================
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// Preference constructor
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function Preference(aName, aBranch) {
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this._name = aName;
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this._branch = aBranch;
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this._events = new Events();
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var self = this;
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this.branch.events.addListener("change", function(aEvent){
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if (aEvent.data == self.name)
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self.events.dispatch(aEvent.type, aEvent.data);
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});
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}
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//=================================================
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// Preference implementation
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Preference.prototype = {
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get name() {
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return this._name;
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},
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get type() {
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var value = "";
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var type = this.branch._prefs.getPrefType(this._name);
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switch (type) {
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case Ci.nsIPrefBranch2.PREF_STRING:
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value = "String";
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break;
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case Ci.nsIPrefBranch2.PREF_BOOL:
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value = "Boolean";
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break;
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case Ci.nsIPrefBranch2.PREF_INT:
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value = "Number";
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break;
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}
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return value;
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},
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get value() {
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return this.branch.getValue(this._name, null);
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},
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set value(aValue) {
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return this.branch.setValue(this._name, aValue);
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},
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get locked() {
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return this.branch._prefs.prefIsLocked(this.name);
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},
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set locked(aValue) {
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this.branch._prefs[ aValue ? "lockPref" : "unlockPref" ](this.name);
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},
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get modified() {
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return this.branch._prefs.prefHasUserValue(this.name);
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},
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get branch() {
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return this._branch;
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},
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get events() {
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return this._events;
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},
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reset : function pref_reset() {
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this.branch._prefs.clearUserPref(this.name);
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIPreference])
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};
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//=================================================
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// SessionStorage constructor
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function SessionStorage() {
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this._storage = {};
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this._events = new Events();
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}
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//=================================================
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// SessionStorage implementation
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SessionStorage.prototype = {
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get events() {
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return this._events;
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},
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has : function ss_has(aName) {
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return this._storage.hasOwnProperty(aName);
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},
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set : function ss_set(aName, aValue) {
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this._storage[aName] = aValue;
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this._events.dispatch("change", aName);
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},
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get : function ss_get(aName, aDefaultValue) {
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return this.has(aName) ? this._storage[aName] : aDefaultValue;
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extISessionStorage])
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};
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//=================================================
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// Extension constructor
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function Extension(aItem) {
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this._item = aItem;
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this._firstRun = false;
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this._prefs = new PreferenceBranch("extensions." + this.id + ".");
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this._storage = new SessionStorage();
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this._events = new Events();
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var installPref = "install-event-fired";
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if (!this._prefs.has(installPref)) {
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this._prefs.setValue(installPref, true);
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this._firstRun = true;
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}
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AddonManager.addAddonListener(this);
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AddonManager.addInstallListener(this);
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var self = this;
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gShutdown.push(function(){ self._shutdown(); });
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}
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//=================================================
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// Extension implementation
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Extension.prototype = {
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// cleanup observer so we don't leak
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_shutdown: function ext_shutdown() {
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AddonManager.removeAddonListener(this);
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AddonManager.removeInstallListener(this);
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this._prefs = null;
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this._storage = null;
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this._events = null;
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},
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// for AddonListener
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onDisabling: function(addon, needsRestart) {
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if (addon.id == this.id)
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this._events.dispatch("disable", this.id);
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},
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onEnabling: function(addon, needsRestart) {
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if (addon.id == this.id)
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this._events.dispatch("enable", this.id);
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},
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onUninstalling: function(addon, needsRestart) {
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if (addon.id == this.id)
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this._events.dispatch("uninstall", this.id);
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},
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onOperationCancelled: function(addon) {
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if (addon.id == this.id)
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this._events.dispatch("cancel", this.id);
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},
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onInstallEnded: function(install, addon) {
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if (addon.id == this.id)
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this._events.dispatch("upgrade", this.id);
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},
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get id() {
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return this._item.id;
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},
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get name() {
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return this._item.name;
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},
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get enabled() {
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return this._item.isActive;
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},
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get version() {
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return this._item.version;
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},
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get firstRun() {
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return this._firstRun;
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},
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get storage() {
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return this._storage;
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},
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get prefs() {
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return this._prefs;
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},
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get events() {
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return this._events;
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIExtension])
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};
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//=================================================
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// Extensions constructor
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function Extensions(addons) {
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this._cache = {};
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addons.forEach(function(addon) {
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this._cache[addon.id] = new Extension(addon);
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}, this);
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var self = this;
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gShutdown.push(function() { self._shutdown(); });
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}
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//=================================================
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// Extensions implementation
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Extensions.prototype = {
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_shutdown : function exts_shutdown() {
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this._cache = null;
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},
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get all() {
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return this.find({});
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},
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// XXX: Disabled until we can figure out the wrapped object issues
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// id: "some@id" or /id/
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// name: "name" or /name/
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// version: "1.0.1"
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// minVersion: "1.0"
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// maxVersion: "2.0"
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find : function exts_find(aOptions) {
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return [e for each (e in this._cache)];
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},
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has : function exts_has(aId) {
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return aId in this._cache;
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},
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get : function exts_get(aId) {
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return this.has(aId) ? this._cache[aId] : null;
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},
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QueryInterface : XPCOMUtils.generateQI([Ci.extIExtensions])
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};
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|
|
//=================================================
|
|
// extApplication constructor
|
|
function extApplication() {
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}
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|
|
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//=================================================
|
|
// extApplication implementation
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|
extApplication.prototype = {
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initToolkitHelpers: function extApp_initToolkitHelpers() {
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XPCOMUtils.defineLazyServiceGetter(this, "_info",
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"@mozilla.org/xre/app-info;1",
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"nsIXULAppInfo");
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// While the other event listeners are loaded only if needed,
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// FUEL *must* listen for shutdown in order to clean up it's
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// references to various services, and to remove itself as
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// observer of any other notifications.
|
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this._obs = Cc["@mozilla.org/observer-service;1"].
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getService(Ci.nsIObserverService);
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this._obs.addObserver(this, "xpcom-shutdown", false);
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this._registered = {"unload": true};
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},
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|
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// for nsIClassInfo
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flags : Ci.nsIClassInfo.SINGLETON,
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implementationLanguage : Ci.nsIProgrammingLanguage.JAVASCRIPT,
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|
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getInterfaces : function app_gi(aCount) {
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var interfaces = [Ci.extIApplication, Ci.nsIObserver, Ci.nsIClassInfo];
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aCount.value = interfaces.length;
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return interfaces;
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},
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getHelperForLanguage : function app_ghfl(aCount) {
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return null;
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},
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|
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// extIApplication
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get id() {
|
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return this._info.ID;
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},
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|
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get name() {
|
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return this._info.name;
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},
|
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|
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get version() {
|
|
return this._info.version;
|
|
},
|
|
|
|
// for nsIObserver
|
|
observe: function app_observe(aSubject, aTopic, aData) {
|
|
if (aTopic == "app-startup") {
|
|
this.events.dispatch("load", "application");
|
|
}
|
|
else if (aTopic == "final-ui-startup") {
|
|
this.events.dispatch("ready", "application");
|
|
}
|
|
else if (aTopic == "quit-application-requested") {
|
|
// we can stop the quit by checking the return value
|
|
if (this.events.dispatch("quit", "application") == false)
|
|
aSubject.data = true;
|
|
}
|
|
else if (aTopic == "xpcom-shutdown") {
|
|
|
|
this.events.dispatch("unload", "application");
|
|
|
|
// call the cleanup functions and empty the array
|
|
while (gShutdown.length) {
|
|
gShutdown.shift()();
|
|
}
|
|
|
|
// release our observers
|
|
this._obs.removeObserver(this, "app-startup");
|
|
this._obs.removeObserver(this, "final-ui-startup");
|
|
this._obs.removeObserver(this, "quit-application-requested");
|
|
this._obs.removeObserver(this, "xpcom-shutdown");
|
|
}
|
|
},
|
|
|
|
get console() {
|
|
let console = new Console();
|
|
this.__defineGetter__("console", function() console);
|
|
return this.console;
|
|
},
|
|
|
|
get storage() {
|
|
let storage = new SessionStorage();
|
|
this.__defineGetter__("storage", function() storage);
|
|
return this.storage;
|
|
},
|
|
|
|
get prefs() {
|
|
let prefs = new PreferenceBranch("");
|
|
this.__defineGetter__("prefs", function() prefs);
|
|
return this.prefs;
|
|
},
|
|
|
|
getExtensions: function(callback) {
|
|
AddonManager.getAddonsByTypes(["extension"], function(addons) {
|
|
callback.callback(new Extensions(addons));
|
|
});
|
|
},
|
|
|
|
get events() {
|
|
|
|
// This ensures that FUEL only registers for notifications as needed
|
|
// by callers. Note that the unload (xpcom-shutdown) event is listened
|
|
// for by default, as it's needed for cleanup purposes.
|
|
var self = this;
|
|
function registerCheck(aEvent) {
|
|
var rmap = { "load": "app-startup",
|
|
"ready": "final-ui-startup",
|
|
"quit": "quit-application-requested"};
|
|
if (!(aEvent in rmap) || aEvent in self._registered)
|
|
return;
|
|
|
|
self._obs.addObserver(self, rmap[aEvent]);
|
|
self._registered[aEvent] = true;
|
|
}
|
|
|
|
let events = new Events(registerCheck);
|
|
this.__defineGetter__("events", function() events);
|
|
return this.events;
|
|
},
|
|
|
|
// helper method for correct quitting/restarting
|
|
_quitWithFlags: function app__quitWithFlags(aFlags) {
|
|
let cancelQuit = Components.classes["@mozilla.org/supports-PRBool;1"]
|
|
.createInstance(Components.interfaces.nsISupportsPRBool);
|
|
let quitType = aFlags & Components.interfaces.nsIAppStartup.eRestart ? "restart" : null;
|
|
this._obs.notifyObservers(cancelQuit, "quit-application-requested", quitType);
|
|
if (cancelQuit.data)
|
|
return false; // somebody canceled our quit request
|
|
|
|
let appStartup = Components.classes['@mozilla.org/toolkit/app-startup;1']
|
|
.getService(Components.interfaces.nsIAppStartup);
|
|
appStartup.quit(aFlags);
|
|
return true;
|
|
},
|
|
|
|
quit: function app_quit() {
|
|
return this._quitWithFlags(Components.interfaces.nsIAppStartup.eAttemptQuit);
|
|
},
|
|
|
|
restart: function app_restart() {
|
|
return this._quitWithFlags(Components.interfaces.nsIAppStartup.eAttemptQuit |
|
|
Components.interfaces.nsIAppStartup.eRestart);
|
|
},
|
|
|
|
QueryInterface : XPCOMUtils.generateQI([Ci.extIApplication, Ci.nsISupportsWeakReference])
|
|
};
|