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+/* This file is part of the KDE project.
+
+Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+
+This library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 2.1 or 3 of the License.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with this library. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#ifndef PHONON_MMF_ABSTRACTMEDIAPLAYER_H
+#define PHONON_MMF_ABSTRACTMEDIAPLAYER_H
+
+#include <QTimer>
+#include <QScopedPointer>
+#include <e32std.h>
+#include "abstractplayer.h"
+
+class RFile;
+
+QT_BEGIN_NAMESPACE
+
+namespace Phonon
+{
+namespace MMF
+{
+class AudioOutput;
+
+/**
+ * Interface via which MMF client APIs for both audio and video can be
+ * accessed.
+ */
+class AbstractMediaPlayer : public AbstractPlayer
+{
+ Q_OBJECT
+
+protected:
+ AbstractMediaPlayer();
+ explicit AbstractMediaPlayer(const AbstractPlayer& player);
+
+public:
+ // MediaObjectInterface
+ virtual void play();
+ virtual void pause();
+ virtual void stop();
+ virtual void seek(qint64 milliseconds);
+ virtual bool isSeekable() const;
+ virtual MediaSource source() const;
+ virtual void setFileSource(const Phonon::MediaSource&, RFile&);
+ virtual void setNextSource(const MediaSource &source);
+
+ // VolumeObserver
+ virtual void volumeChanged(qreal volume);
+
+protected:
+ // AbstractPlayer
+ virtual void doSetTickInterval(qint32 interval);
+
+ virtual void doPlay() = 0;
+ virtual void doPause() = 0;
+ virtual void doStop() = 0;
+ virtual void doSeek(qint64 pos) = 0;
+ virtual int setDeviceVolume(int mmfVolume) = 0;
+ virtual int openFile(RFile& file) = 0;
+ virtual void close() = 0;
+
+ /**
+ * Changes state and emits stateChanged()
+ */
+ virtual void changeState(PrivateState newState);
+
+protected:
+ bool tickTimerRunning() const;
+ void startTickTimer();
+ void stopTickTimer();
+ void maxVolumeChanged(int maxVolume);
+
+ static qint64 toMilliSeconds(const TTimeIntervalMicroSeconds &);
+
+private:
+ void doVolumeChanged();
+
+private Q_SLOTS:
+ /**
+ * Receives signal from m_tickTimer
+ */
+ void tick();
+
+private:
+ /**
+ * This flag is set to true if play is called when the object is
+ * in a Loading state. Once loading is complete, playback will
+ * be started.
+ */
+ bool m_playPending;
+
+ QScopedPointer<QTimer> m_tickTimer;
+
+ int m_mmfMaxVolume;
+
+ MediaSource m_source;
+ MediaSource m_nextSource;
+
+};
+}
+}
+
+QT_END_NAMESPACE
+
+#endif
+