gecko-dev/xpcom/ds/nsIObserver.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
#include "nsISupports.idl"
[scriptable, uuid(DB242E01-E4D9-11d2-9DDE-000064657374)]
interface nsIObserver : nsISupports {
/*------------------------------- Observe ----------------------------------
| Called when aTopic changes for aSubject (presumably; it is actually |
| called whenever anyone calls nsIObserverService::Notify for aTopic). |
| |
| Implement this in your class to handle the event appropriately. If |
| your observer objects can respond to multiple topics and/or subjects, |
| then you will have to filter accordingly. |
--------------------------------------------------------------------------*/
void Observe( in nsISupports aSubject,
in wstring aTopic,
in wstring someData );
};
%{C++
#define NS_OBSERVER_PROGID "component://netscape/xpcom/observer"
#define NS_OBSERVER_CLASSNAME "Observer"
%}