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- /*
- *
- * $Id: sourceheader,v 1.3 2005/01/19 13:03:46 trueg Exp $
- * Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
- *
- * This file is part of the K3b project.
- * Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- * See the file "COPYING" for the exact licensing terms.
- */
-
- #ifndef _K3B_AUDIO_DATA_SOURCE_ITERATOR_H_
- #define _K3B_AUDIO_DATA_SOURCE_ITERATOR_H_
- #include "k3b_export.h"
- class K3bAudioDataSource;
- class K3bAudioTrack;
- class K3bAudioDoc;
-
-
- /**
- * This Iterator iterates over the sources in an audio project
- *
- * Be aware that this iterator does not properly update when the doc
- * changes. A manual update can be issued with first(). This is becasue
- * an update would either involve slots (this being a QObject) which is
- * too much overhead or the AudioDoc would need to have knowledge of all
- * the iterators which is also overhead that would be overkill.
- */
- class LIBK3B_EXPORT K3bAudioDataSourceIterator
- {
- public:
- /**
- * This will place the iterator on the first source just like first() does.
- */
- explicit K3bAudioDataSourceIterator( K3bAudioDoc* );
-
- K3bAudioDataSource* current() const;
-
- bool hasNext() const;
-
- /**
- * \return the next source or 0 if at end.
- */
- K3bAudioDataSource* next();
-
- /**
- * Reset the iterator
- */
- K3bAudioDataSource* first();
-
- private:
- K3bAudioDoc* m_doc;
- K3bAudioTrack* m_currentTrack;
- K3bAudioDataSource* m_currentSource;
- };
-
- #endif
-