/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** Contact: Nokia Corporation (qt-info@nokia.com)
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** This file is part of the QtMultimedia module of the Qt Toolkit.
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** No Commercial Usage
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** GNU Lesser General Public License Usage
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** 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
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**
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** 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
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef QMEDIAPLAYER_H
#define QMEDIAPLAYER_H

#include <QtMultimedia/qmediaserviceprovider.h>
#include <QtMultimedia/qmediaobject.h>
#include <QtMultimedia/qmediacontent.h>


QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Multimedia)


class QMediaPlaylist;

class QMediaPlayerPrivate;
class Q_MULTIMEDIA_EXPORT QMediaPlayer : public QMediaObject
{
    Q_OBJECT
    Q_PROPERTY(QMediaContent media READ media WRITE setMedia NOTIFY mediaChanged)
    Q_PROPERTY(qint64 duration READ duration NOTIFY durationChanged)
    Q_PROPERTY(qint64 position READ position WRITE setPosition NOTIFY positionChanged)
    Q_PROPERTY(int volume READ volume WRITE setVolume NOTIFY volumeChanged)
    Q_PROPERTY(bool muted READ isMuted WRITE setMuted NOTIFY mutedChanged)
    Q_PROPERTY(int bufferStatus READ bufferStatus NOTIFY bufferStatusChanged)
    Q_PROPERTY(bool audioAvailable READ isAudioAvailable NOTIFY audioAvailableChanged)
    Q_PROPERTY(bool videoAvailable READ isVideoAvailable NOTIFY videoAvailableChanged)
    Q_PROPERTY(bool seekable READ isSeekable NOTIFY seekableChanged)
    Q_PROPERTY(qreal playbackRate READ playbackRate WRITE setPlaybackRate NOTIFY playbackRateChanged)
    Q_PROPERTY(State state READ state NOTIFY stateChanged)
    Q_PROPERTY(MediaStatus mediaStatus READ mediaStatus NOTIFY mediaStatusChanged)
    Q_PROPERTY(QString error READ errorString)
    Q_ENUMS(State)
    Q_ENUMS(MediaStatus)

public:
    enum State
    {
        StoppedState,
        PlayingState,
        PausedState
    };

    enum MediaStatus
    {
        UnknownMediaStatus,
        NoMedia,
        LoadingMedia,
        LoadedMedia,
        StalledMedia,
        BufferingMedia,
        BufferedMedia,
        EndOfMedia,
        InvalidMedia
    };

    enum Flag
    {
        LowLatency = 0x01,
        StreamPlayback = 0x02
    };
    Q_DECLARE_FLAGS(Flags, Flag)

    enum Error
    {
        NoError,
        ResourceError,
        FormatError,
        NetworkError,
        AccessDeniedError,
        ServiceMissingError
    };

    QMediaPlayer(QObject *parent = 0, Flags flags = 0, QMediaServiceProvider *provider = QMediaServiceProvider::defaultServiceProvider());
    ~QMediaPlayer();

    static QtMultimedia::SupportEstimate hasSupport(const QString &mimeType,
                                            const QStringList& codecs = QStringList(),
                                            Flags flags = 0);
    static QStringList supportedMimeTypes(Flags flags = 0);

    QMediaContent media() const;
    const QIODevice *mediaStream() const;

    State state() const;
    MediaStatus mediaStatus() const;

    qint64 duration() const;
    qint64 position() const;

    int volume() const;
    bool isMuted() const;
    bool isAudioAvailable() const;
    bool isVideoAvailable() const;

    int bufferStatus() const;

    bool isSeekable() const;
    qreal playbackRate() const;

    Error error() const;
    QString errorString() const;

public Q_SLOTS:
    void play();
    void pause();
    void stop();

    void setPosition(qint64 position);
    void setVolume(int volume);
    void setMuted(bool muted);

    void setPlaybackRate(qreal rate);

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

Q_SIGNALS:
    void mediaChanged(const QMediaContent &media);

    void stateChanged(QMediaPlayer::State newState);
    void mediaStatusChanged(QMediaPlayer::MediaStatus status);

    void durationChanged(qint64 duration);
    void positionChanged(qint64 position);

    void volumeChanged(int volume);
    void mutedChanged(bool muted);
    void audioAvailableChanged(bool audioAvailable);
    void videoAvailableChanged(bool videoAvailable);

    void bufferStatusChanged(int percentFilled);

    void seekableChanged(bool seekable);
    void playbackRateChanged(qreal rate);

    void error(QMediaPlayer::Error error);

public:
    virtual void bind(QObject*);
    virtual void unbind(QObject*);

private:
    Q_DISABLE_COPY(QMediaPlayer)
    Q_DECLARE_PRIVATE(QMediaPlayer)
    Q_PRIVATE_SLOT(d_func(), void _q_stateChanged(QMediaPlayer::State))
    Q_PRIVATE_SLOT(d_func(), void _q_mediaStatusChanged(QMediaPlayer::MediaStatus))
    Q_PRIVATE_SLOT(d_func(), void _q_error(int, const QString &))
    Q_PRIVATE_SLOT(d_func(), void _q_updateMedia(const QMediaContent&))
    Q_PRIVATE_SLOT(d_func(), void _q_playlistDestroyed())
};

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QMediaPlayer::State)
Q_DECLARE_METATYPE(QMediaPlayer::MediaStatus)
Q_DECLARE_METATYPE(QMediaPlayer::Error)

QT_END_HEADER

#endif  // QMEDIAPLAYER_H