pjs/xpcom/ds/nsSupportsArrayEnumerator.h

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#ifndef nsSupportsArrayEnumerator_h___
#define nsSupportsArrayEnumerator_h___
#include "nsIEnumerator.h"
class nsISupportsArray;
class NS_COM nsSupportsArrayEnumerator : public nsIBidirectionalEnumerator {
public:
NS_DECL_ISUPPORTS
nsSupportsArrayEnumerator(nsISupportsArray* array);
virtual ~nsSupportsArrayEnumerator();
// nsIEnumerator methods:
NS_IMETHOD First();
NS_IMETHOD Next();
NS_IMETHOD CurrentItem(nsISupports **aItem);
NS_IMETHOD IsDone();
// nsIBidirectionalEnumerator methods:
NS_IMETHOD Last();
NS_IMETHOD Prev();
protected:
nsISupportsArray* mArray;
PRInt32 mCursor;
};
#endif // __nsSupportsArrayEnumerator_h