gecko-dev/xpcom/ds/nsIObserverList.h

52 lines
1.7 KiB
C++

/* -*- 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):
*/
#ifndef nsIObserverList_h__
#define nsIObserverList_h__
#include "nsISupports.h"
#include "nsIObserver.h"
#include "nsIEnumerator.h"
#include "nscore.h"
// {E777D482-E6E3-11d2-8ACD-00105A1B8860}
#define NS_IOBSERVERLIST_IID \
{ 0xe777d482, 0xe6e3, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }
class nsIObserverList : public nsISupports {
public:
static const nsIID& GetIID() { static nsIID iid = NS_IOBSERVERLIST_IID; return iid; }
NS_IMETHOD AddObserver(nsIObserver* anObserver) = 0;
NS_IMETHOD RemoveObserver(nsIObserver* anObserver) = 0;
NS_IMETHOD EnumerateObserverList(nsIEnumerator** anEnumerator) = 0;
};
extern NS_COM nsresult NS_NewObserverList(nsIObserverList** anObserverList);
#define NS_OBSERVERLIST_CONTRACTID "@mozilla.org/xpcom/observer-list;1"
#define NS_OBSERVERLIST_CLASSNAME "Observer List"
#endif /* nsIObserverList_h__ */