/*  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_MEDIAOBJECT_H

#define PHONON_MMF_MEDIAOBJECT_H

#include <phonon/mediasource.h>

#include <phonon/mediaobjectinterface.h>

#include <QScopedPointer>

#include <QTimer>

#include <QString>

// For recognizer

#include <apgcli.h>

#include "abstractplayer.h"

#include "mmf_medianode.h"

#include "defs.h"

QT_BEGIN_NAMESPACE

class QResource;

namespace Phonon

{

namespace MMF

{

class AbstractPlayer;

class AbstractVideoOutput;

/**

 * @short Facade class which wraps MMF client utility instance

 */

class MediaObject : public MediaNode

                  , public MediaObjectInterface

{

    Q_OBJECT

    Q_INTERFACES(Phonon::MediaObjectInterface)

public:

    MediaObject(QObject *parent);

    virtual ~MediaObject();

    // MediaObjectInterface

    virtual void play();

    virtual void pause();

    virtual void stop();

    virtual void seek(qint64 milliseconds);

    virtual qint32 tickInterval() const;

    virtual void setTickInterval(qint32 interval);

    virtual bool hasVideo() const;

    virtual bool isSeekable() const;

    virtual qint64 currentTime() const;

    virtual Phonon::State state() const;

    virtual QString errorString() const;

    virtual Phonon::ErrorType errorType() const;

    virtual qint64 totalTime() const;

    virtual MediaSource source() const;

    virtual void setSource(const MediaSource &);

    virtual void setNextSource(const MediaSource &source);

    virtual qint32 prefinishMark() const;

    virtual void setPrefinishMark(qint32);

    virtual qint32 transitionTime() const;

    virtual void setTransitionTime(qint32);

    // MediaNode

    void connectMediaObject(MediaObject *mediaObject);

    void disconnectMediaObject(MediaObject *mediaObject);

    /**

     * This class owns the AbstractPlayer, and will delete it upon

     * destruction.

     */

    AbstractPlayer *abstractPlayer() const;

    void setVideoOutput(AbstractVideoOutput* videoOutput);

    int openFileHandle(const QString &fileName);

    RFile* file() const;

    QResource* resource() const;

    int currentIAP() const;

public Q_SLOTS:

    void volumeChanged(qreal volume);

    void switchToNextSource();

Q_SIGNALS:

    void abstractPlayerChanged(AbstractPlayer *player);

    void totalTimeChanged(qint64 length);

    void hasVideoChanged(bool hasVideo);

    void seekableChanged(bool seekable);

    void bufferStatus(int);

    void aboutToFinish();

    void prefinishMarkReached(qint32 remaining);

    // TODO: emit metaDataChanged from MediaObject

    void metaDataChanged(const QMultiMap<QString, QString>& metaData);

    void currentSourceChanged(const MediaSource& source);

    void stateChanged(Phonon::State newState,

                      Phonon::State oldState);

    void finished();

    void tick(qint64 time);

protected:

    bool eventFilter(QObject *watched, QEvent *event);

private Q_SLOTS:

    void handlePrefinishMarkReached(qint32);

private:

    void switchToSource(const MediaSource &source);

    void createPlayer(const MediaSource &source);

    bool openRecognizer();

    void setIAPIdFromNameL(const QString& iapString);

    // Audio / video media type recognition

    MediaType fileMediaType(const QString& fileName);

    MediaType bufferMediaType(const uchar *data, qint64 size);

    // TODO: urlMediaType function

    static qint64 toMilliSeconds(const TTimeIntervalMicroSeconds &);

private:

    // Audio / video media type recognition

    bool                                m_recognizerOpened;

    RApaLsSession                       m_recognizer;

    RFs                                 m_fileServer;

    MediaSource                         m_source;

    MediaSource                         m_nextSource;

    bool                                m_nextSourceSet;

    RFile*                              m_file;

    QResource*                          m_resource;

    QScopedPointer<AbstractPlayer>      m_player;

    int                                 m_iap;

};

}

}

QT_END_NAMESPACE

#endif