diff -r 000000000000 -r f72a12da539e idlehomescreen/inc/xnchilditerator.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/idlehomescreen/inc/xnchilditerator.h Thu Dec 17 08:40:49 2009 +0200 @@ -0,0 +1,77 @@ +/* +* Copyright (c) 2002-2004 Nokia Corporation and/or its subsidiary(-ies). +* All rights reserved. +* This component and the accompanying materials are made available +* under the terms of "Eclipse Public License v1.0" +* which accompanies this distribution, and is available +* at the URL "http://www.eclipse.org/legal/epl-v10.html". +* +* Initial Contributors: +* Nokia Corporation - initial contribution. +* +* Contributors: +* +* Description: Iterates over a containers children +* +*/ + +#ifndef MXNCHILDITERATOR_H +#define MXNCHILDITERATOR_H + +// INCLUDES +#include + +/** +* @ingroup group_xnutils +* +* Iterates over a containers children +* @since Series 60 3.1 +*/ +class MXnChildIterator + { + public: // Constructors and destructor + + /** + * Destructor. + */ + virtual ~MXnChildIterator() {}; + + public: // New functions + + /** + * Get the current iterator value. + * @since Series 60 3.1 + * @return Current object or NULL if iterator does not point anywhere + */ + virtual CBase* Value() = 0 ; + + /** + * Get the next iterator value. + * @since Series 60 3.1 + * @return Next object or NULL if no more values. If NULL, the iterator is not advanced. + * Therefore, given that iterator->Value() == x and iterator->Next() == NULL, next invocation + * of iterator->Value() will return x. + */ + virtual CBase* NextL() = 0; + + /** + * Get the previous iterator value. + * @since Series 60 3.1 + * @return Previous object or NULL if no more values. If NULL, the iterator is not advanced. + * Therefore, given that iterator->Value() == x and iterator->Previous() == NULL, next invocation + * of iterator->Value() will return x. + */ + virtual CBase* PreviousL() = 0; + + /** + * Get the current iterator index. + * @since Series 60 3.1 + * @return Current index + */ + virtual TUint Index() const = 0; + + }; + +#endif // MXnCHILDITERATOR_H + +// End of File