/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtMediaservices module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, 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.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QMEDIAPLAYERCONTROL_H
#define QMEDIAPLAYERCONTROL_H

#include <QtCore/qpair.h>

#include <QtMediaservices/qmediacontrol.h>
#include <QtMediaservices/qmediaplayer.h>
#include <QtMediaservices/qmediatimerange.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)


class QMediaPlaylist;

class Q_MULTIMEDIA_EXPORT QMediaPlayerControl : public QMediaControl
{
    Q_OBJECT

public:
    ~QMediaPlayerControl();

    virtual QMediaPlayer::State state() const = 0;

    virtual QMediaPlayer::MediaStatus mediaStatus() const = 0;

    virtual qint64 duration() const = 0;

    virtual qint64 position() const = 0;
    virtual void setPosition(qint64 position) = 0;

    virtual int volume() const = 0;
    virtual void setVolume(int volume) = 0;

    virtual bool isMuted() const = 0;
    virtual void setMuted(bool muted) = 0;

    virtual int bufferStatus() const = 0;

    virtual bool isAudioAvailable() const = 0;
    virtual bool isVideoAvailable() const = 0;

    virtual bool isSeekable() const = 0;

    virtual QMediaTimeRange availablePlaybackRanges() const = 0;

    virtual qreal playbackRate() const = 0;
    virtual void setPlaybackRate(qreal rate) = 0;

    virtual QMediaContent media() const = 0;
    virtual const QIODevice *mediaStream() const = 0;
    virtual void setMedia(const QMediaContent &media, QIODevice *stream) = 0;

    virtual void play() = 0;
    virtual void pause() = 0;
    virtual void stop() = 0;

Q_SIGNALS:
    void mediaChanged(const QMediaContent& content);
    void durationChanged(qint64 duration);
    void positionChanged(qint64 position);
    void stateChanged(QMediaPlayer::State newState);
    void mediaStatusChanged(QMediaPlayer::MediaStatus status);
    void volumeChanged(int volume);
    void mutedChanged(bool muted);
    void audioAvailableChanged(bool audioAvailable);
    void videoAvailableChanged(bool videoAvailable);
    void bufferStatusChanged(int percentFilled);
    void seekableChanged(bool);
    void availablePlaybackRangesChanged(const QMediaTimeRange&);
    void playbackRateChanged(qreal rate);
    void error(int error, const QString &errorString);

protected:
    QMediaPlayerControl(QObject* parent = 0);
};

#define QMediaPlayerControl_iid "com.nokia.Qt.QMediaPlayerControl/1.0"
Q_MEDIA_DECLARE_CONTROL(QMediaPlayerControl, QMediaPlayerControl_iid)

QT_END_NAMESPACE

QT_END_HEADER

#endif  // QMEDIAPLAYERCONTROL_H