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72 lines
1.6 KiB
72 lines
1.6 KiB
15 years ago
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/*
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*
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* $Id: sourceheader,v 1.3 2005/01/19 13:03:46 trueg Exp $
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* Copyright (C) 2005 Sebastian Trueg <trueg@k3b.org>
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*
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* This file is part of the K3b project.
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* Copyright (C) 1998-2007 Sebastian Trueg <trueg@k3b.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* See the file "COPYING" for the exact licensing terms.
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*/
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#include "k3baudiodatasourceiterator.h"
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#include "k3baudiodoc.h"
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#include "k3baudiotrack.h"
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#include "k3baudiodatasource.h"
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K3bAudioDataSourceIterator::K3bAudioDataSourceIterator( K3bAudioDoc* doc )
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: m_doc( doc )
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{
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first();
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}
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K3bAudioDataSource* K3bAudioDataSourceIterator::current() const
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{
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return m_currentSource;
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}
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K3bAudioDataSource* K3bAudioDataSourceIterator::next()
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{
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m_currentSource = m_currentSource->next();
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if( !m_currentSource ) {
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m_currentTrack = m_currentTrack->next();
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if( m_currentTrack )
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m_currentSource = m_currentTrack->firstSource();
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}
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return m_currentSource;
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}
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bool K3bAudioDataSourceIterator::hasNext() const
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{
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if( !m_currentSource )
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return false;
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if( m_currentSource->next() )
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return true;
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if( m_currentTrack->next() )
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return true;
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return false;
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}
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K3bAudioDataSource* K3bAudioDataSourceIterator::first()
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{
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m_currentTrack = m_doc->firstTrack();
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if( m_currentTrack )
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m_currentSource = m_currentTrack->firstSource();
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else
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m_currentSource = 0;
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return m_currentSource;
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}
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