File indexing completed on 2024-05-12 04:51:00

 /*
     SPDX-FileCopyrightText: 1998-2007 Sebastian Trueg <trueg@k3b.org>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 
 #ifndef _K3B_AUDIO_DATA_SOURCE_ITERATOR_H_
 #define _K3B_AUDIO_DATA_SOURCE_ITERATOR_H_
 
 #include "k3b_export.h"
 
 namespace K3b {
     class AudioDataSource;
     class AudioTrack;
     class AudioDoc;
 
     /**
      * 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 because
      * 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 AudioDataSourceIterator
     {
     public:
         /**
          * This will place the iterator on the first source just like first() does.
          */
         explicit AudioDataSourceIterator( AudioDoc* );
 
         AudioDataSource* current() const;
 
         bool hasNext() const;
 
         /**
          * \return the next source or 0 if at end.
          */
         AudioDataSource* next();
 
         /**
          * Reset the iterator
          */
         AudioDataSource* first();
 
     private:
         AudioDoc* m_doc;
         AudioTrack* m_currentTrack;
         AudioDataSource* m_currentSource;
     };
 }
 
 #endif