1 files changed, 71 insertions, 0 deletions
diff --git a/libk3b/projects/audiocd/k3baudiodatasourceiterator.cpp b/libk3b/projects/audiocd/k3baudiodatasourceiterator.cpp
new file mode 100644
index 0000000..81e0a59
--- /dev/null
+++ b/libk3b/projects/audiocd/k3baudiodatasourceiterator.cpp
@@ -0,0 +1,71 @@
+/* 
+ *
+ * $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.
+ */
+
+#include "k3baudiodatasourceiterator.h"
+#include "k3baudiodoc.h"
+#include "k3baudiotrack.h"
+#include "k3baudiodatasource.h"
+
+
+K3bAudioDataSourceIterator::K3bAudioDataSourceIterator( K3bAudioDoc* doc )
+  : m_doc( doc )
+{
+  first();
+}
+
+
+K3bAudioDataSource* K3bAudioDataSourceIterator::current() const
+{
+  return m_currentSource;
+}
+
+
+K3bAudioDataSource* K3bAudioDataSourceIterator::next()
+{
+  m_currentSource = m_currentSource->next();
+  if( !m_currentSource ) {
+    m_currentTrack = m_currentTrack->next();
+    if( m_currentTrack )
+      m_currentSource = m_currentTrack->firstSource();
+  }
+
+  return m_currentSource;
+}
+
+
+bool K3bAudioDataSourceIterator::hasNext() const
+{
+  if( !m_currentSource )
+    return false;
+  if( m_currentSource->next() )
+    return true;
+  if( m_currentTrack->next() )
+    return true;
+
+  return false;
+}
+
+
+K3bAudioDataSource* K3bAudioDataSourceIterator::first()
+{
+  m_currentTrack = m_doc->firstTrack();
+
+  if( m_currentTrack )
+    m_currentSource = m_currentTrack->firstSource();
+  else
+    m_currentSource = 0;
+
+  return m_currentSource;
+}