gecko-dev/xpcom/ds/nsObserverList.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* 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
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* 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 the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
*
* 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
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#ifndef nsObserverList_h___
#define nsObserverList_h___
#include "nsIObserverList.h"
#include "nsIEnumerator.h"
#include "nsISupportsArray.h"
// {E777D484-E6E3-11d2-8ACD-00105A1B8860}
#define NS_OBSERVERLIST_CID \
{ 0xe777d484, 0xe6e3, 0x11d2, { 0x8a, 0xcd, 0x0, 0x10, 0x5a, 0x1b, 0x88, 0x60 } }
class nsObserverList : public nsIObserverList
{
public:
nsObserverList();
virtual ~nsObserverList();
NS_DEFINE_STATIC_CID_ACCESSOR(NS_OBSERVERLIST_CID);
NS_DECL_ISUPPORTS
NS_IMETHOD AddObserver(nsIObserver* anObserver);
NS_IMETHOD RemoveObserver(nsIObserver* anObserver);
NS_IMETHOD EnumerateObserverList(nsIEnumerator** anEnumerator);
public:
static NS_METHOD Create(nsISupports* outer, const nsIID& aIID, void* *aInstancePtr);
protected:
// This is ObserverList monitor object.
PRLock* mLock;
private:
nsCOMPtr<nsISupportsArray> mObserverList;
};
#endif /* nsObserverList_h___ */