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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is the nsTryToClose component.
- *
- * The Initial Developer of the Original Code is
- * Mozilla Corporation
- * Portions created by the Initial Developer are Copyright (C) 2006
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Michael Wu <flamingice@sourmilk.net> (original author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- const Cc = Components.classes;
- const Ci = Components.interfaces;
- const Cr = Components.results;
-
- const CID = Components.ID("{b69155f4-a8bf-453d-8653-91d1456e1d3d}");
- const CONTRACT_ID = "@mozilla.org/appshell/trytoclose;1"
- const CLASS_NAME = "tryToClose Service";
-
- function TryToClose() {
- }
-
- TryToClose.prototype = {
- observe: function (aSubject, aTopic, aData) {
- switch (aTopic) {
- case "app-startup":
- var obsService = Cc["@mozilla.org/observer-service;1"].
- getService(Ci.nsIObserverService);
- obsService.addObserver(this, "quit-application-requested", true);
- break;
- case "quit-application-requested":
- var windowMediator = Cc['@mozilla.org/appshell/window-mediator;1'].
- getService(Ci.nsIWindowMediator);
- var enumerator = windowMediator.getEnumerator(null);
- while (enumerator.hasMoreElements()) {
- var domWindow = enumerator.getNext();
- if (("tryToClose" in domWindow) && !domWindow.tryToClose()) {
- aSubject.QueryInterface(Ci.nsISupportsPRBool);
- aSubject.data = true;
- break;
- }
- }
- break;
- }
- },
-
- QueryInterface: function(aIID) {
- if (!aIID.equals(Ci.nsIObserver) &&
- !aIID.equals(Ci.nsISupportsWeakReference) &&
- !aIID.equals(Ci.nsISupports))
- throw Cr.NS_ERROR_NO_INTERFACE;
- return this;
- }
- };
-
- const TryToCloseFactory = {
- createInstance: function(aOuter, aIID) {
- if (aOuter != null)
- throw Cr.NS_ERROR_NO_AGGREGATION;
-
- return (new TryToClose()).QueryInterface(aIID);
- }
- };
-
- const TryToCloseModule = {
- registerSelf: function(aCompMgr, aFileSpec, aLocation, aType) {
- aCompMgr.QueryInterface(Ci.nsIComponentRegistrar);
- aCompMgr.registerFactoryLocation(CID, CLASS_NAME, CONTRACT_ID,
- aFileSpec, aLocation, aType);
-
- var catMan = Cc["@mozilla.org/categorymanager;1"].
- getService(Ci.nsICategoryManager);
- catMan.addCategoryEntry("app-startup", CLASS_NAME, "service," + CONTRACT_ID, true, true);
- },
-
- unregisterSelf: function(aCompMgr, aLocation, aType) {
- aCompMgr.QueryInterface(Ci.nsIComponentRegistrar);
- aCompMgr.unregisterFactoryLocation(CID, aLocation);
-
- var catMan = Cc["@mozilla.org/categorymanager;1"].
- getService(Ci.nsICategoryManager);
- catMan.deleteCategoryEntry( "app-startup", "service," + CONTRACT_ID, true);
- },
-
- getClassObject: function(aCompMgr, aCID, aIID) {
- if (aCID.equals(CID))
- return TryToCloseFactory;
-
- throw Cr.NS_ERROR_NOT_REGISTERED;
- },
-
- canUnload: function(aCompMgr) {
- return true;
- }
- };
-
- function NSGetModule(aCompMgr, aFileSpec) {
- return TryToCloseModule;
- }
-