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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 3.0 as published by the Free Software Foundation
+** and appearing in the file LICENSE.GPL included in the packaging of this
+** file. Please review the following information to ensure the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QMEDIAPLAYLISTNAVIGATOR_H
+#define QMEDIAPLAYLISTNAVIGATOR_H
+
+#include "qmediaplaylistprovider.h"
+#include "qmediaplaylist.h"
+#include <QtCore/qobject.h>
+
+QT_BEGIN_NAMESPACE
+
+class QMediaPlaylistNavigatorPrivate;
+class Q_MULTIMEDIA_EXPORT QMediaPlaylistNavigator : public QObject
+{
+ Q_OBJECT
+ Q_PROPERTY(QMediaPlaylist::PlaybackMode playbackMode READ playbackMode WRITE setPlaybackMode NOTIFY playbackModeChanged)
+ Q_PROPERTY(int currentIndex READ currentIndex WRITE jump NOTIFY currentIndexChanged)
+ Q_PROPERTY(QMediaContent currentItem READ currentItem)
+
+public:
+ QMediaPlaylistNavigator(QMediaPlaylistProvider *playlist, QObject *parent = 0);
+ virtual ~QMediaPlaylistNavigator();
+
+ QMediaPlaylistProvider *playlist() const;
+ void setPlaylist(QMediaPlaylistProvider *playlist);
+
+ QMediaPlaylist::PlaybackMode playbackMode() const;
+
+ QMediaContent currentItem() const;
+ QMediaContent nextItem(int steps = 1) const;
+ QMediaContent previousItem(int steps = 1) const;
+
+ QMediaContent itemAt(int position) const;
+
+ int currentIndex() const;
+ int nextIndex(int steps = 1) const;
+ int previousIndex(int steps = 1) const;
+
+public Q_SLOTS:
+ void next();
+ void previous();
+
+ void jump(int);
+
+ void setPlaybackMode(QMediaPlaylist::PlaybackMode mode);
+
+Q_SIGNALS:
+ void activated(const QMediaContent &content);
+ void currentIndexChanged(int);
+ void playbackModeChanged(QMediaPlaylist::PlaybackMode mode);
+
+ void surroundingItemsChanged();
+
+protected:
+ QMediaPlaylistNavigatorPrivate *d_ptr;
+
+private:
+ Q_DISABLE_COPY(QMediaPlaylistNavigator)
+ Q_DECLARE_PRIVATE(QMediaPlaylistNavigator)
+
+ Q_PRIVATE_SLOT(d_func(), void _q_mediaInserted(int start, int end))
+ Q_PRIVATE_SLOT(d_func(), void _q_mediaRemoved(int start, int end))
+ Q_PRIVATE_SLOT(d_func(), void _q_mediaChanged(int start, int end))
+};
+
+QT_END_NAMESPACE
+
+#endif // QMEDIAPLAYLISTNAVIGATOR_H