gecko-dev/xpcom/ds/nsIObserver.idl

/* -*- 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"

%}