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nsCloseAllWindows.js
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** 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 mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 2001
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Conrad Carlen <ccarlen@netscape.com>
*
* 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 ***** */
/* This file implements the nsCloseAllWindows component which implements
* the nsICloseAllWindows interface. Use this component when all
* windows need to be closed and confirmation to save changes is required.
*/
/* ctor
*/
function nsCloseAllWindows() {
}
nsCloseAllWindows.prototype = {
// This "class" supports nsICloseAllWindows, and nsISupports.
QueryInterface: function (iid) {
if (!iid.equals(Components.interfaces.nsICloseAllWindows) &&
!iid.equals(Components.interfaces.nsISupports)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
return this;
},
// ---------- nsICloseAllWindows methods ----------
// closeAll: Close all open windows
closeAll: function(aAskToSave) {
var windowMediator = Components.classes['@mozilla.org/appshell/window-mediator;1'].
getService(Components.interfaces.nsIWindowMediator);
var enumerator = windowMediator.getEnumerator(null);
while (enumerator.hasMoreElements()) {
var domWindow = enumerator.getNext();
if (aAskToSave && ("tryToClose" in domWindow)) {
if (!domWindow.tryToClose())
return false;
}
domWindow.close();
};
return true;
}
}
// This Component's module implementation. All the code below is used to get this
// component registered and accessible via XPCOM.
var module = {
firstTime: true,
// registerSelf: Register this component.
registerSelf: function (compMgr, fileSpec, location, type) {
if (this.firstTime) {
this.firstTime = false;
throw Components.results.NS_ERROR_FACTORY_REGISTER_AGAIN;
}
compMgr = compMgr.QueryInterface(Components.interfaces.nsIComponentRegistrar);
compMgr.registerFactoryLocation( this.cid,
"Close All Windows",
this.contractId,
fileSpec,
location,
type );
},
// getClassObject: Return this component's factory object.
getClassObject: function (compMgr, cid, iid) {
if (!cid.equals(this.cid)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}
if (!iid.equals(Components.interfaces.nsIFactory)) {
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
}
return this.factory;
},
/* CID for this class */
cid: Components.ID("{2f977d48-5485-11d4-87e2-0010a4e75ef2}"),
/* Contract ID for this class */
contractId: "@mozilla.org/appshell/closeallwindows;1",
/* factory object */
factory: {
// createInstance: Return a new nsCloseAllWindows object.
createInstance: function (outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return (new nsCloseAllWindows()).QueryInterface(iid);
}
},
// canUnload: n/a (returns true)
canUnload: function(compMgr) {
return true;
}
};
// NSGetModule: Return the nsIModule object.
function NSGetModule(compMgr, fileSpec) {
return module;
}