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52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIObserverList_h__
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#define nsIObserverList_h__
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#include "nsISupports.h"
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#include "nsIObserver.h"
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#include "nsIEnumerator.h"
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#include "nscore.h"
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// {E777D482-E6E3-11d2-8ACD-00105A1B8860}
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#define NS_IOBSERVERLIST_IID \
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{ 0xe777d482, 0xe6e3, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }
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class nsIObserverList : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IOBSERVERLIST_IID; return iid; }
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NS_IMETHOD AddObserver(nsIObserver* anObserver) = 0;
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NS_IMETHOD RemoveObserver(nsIObserver* anObserver) = 0;
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NS_IMETHOD EnumerateObserverList(nsIEnumerator** anEnumerator) = 0;
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};
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extern NS_COM nsresult NS_NewObserverList(nsIObserverList** anObserverList);
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#define NS_OBSERVERLIST_CONTRACTID "@mozilla.org/xpcom/observer-list;1"
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#define NS_OBSERVERLIST_CLASSNAME "Observer List"
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#endif /* nsIObserverList_h__ */
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