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****************************************************************************/

#include "qapplication.h"

#ifndef QT_NO_SOUND

#include "qsound.h"

#include "qpaintdevice.h"

#include "qwsdisplay_qws.h"

#include "qsound_p.h"

#include "qsoundqss_qws.h"

#include "qhash.h"

#include "qfileinfo.h"

#include "qbytearray.h"

#include "quuid.h"

#include "qdatastream.h"

#include "qcopchannel_qws.h"

#include "qbuffer.h"

QT_BEGIN_NAMESPACE

#ifdef MEDIA_SERVER

#define SERVER_CHANNEL "QPE/MediaServer"

class QCopMessage : public QDataStream

{

public:

    QCopMessage( const QString& channel, const QString& message )

        : QDataStream( new QBuffer ), m_channel( channel ), m_message( message )

    {

        device()->open( QIODevice::WriteOnly );

    }

    ~QCopMessage()

    {

        QCopChannel::send( m_channel, m_message, ((QBuffer*)device())->buffer() );

        delete device();

    }

private:

    QString m_channel;

    QString m_message;

};

#endif // MEDIA_SERVER

class QAuServerQWS;

class QAuBucketQWS : public QObject, public QAuBucket

{

    Q_OBJECT

public:

    QAuBucketQWS( QAuServerQWS*, QSound*, QObject* parent = 0 );

    ~QAuBucketQWS();

#ifndef MEDIA_SERVER

    int id() const { return id_; }

#endif

    QSound* sound() const { return sound_; }

#ifdef MEDIA_SERVER

    void play();

    void stop();

#endif

signals:

    // Only for Media Server

    void done( QAuBucketQWS* );

private slots:

    // Only for Media Server

    void processMessage( const QString& msg, const QByteArray& data );

private:

#ifdef MEDIA_SERVER

    QCopChannel *m_channel;

    QUuid m_id;

#endif

#ifndef MEDIA_SERVER

    int id_;

#endif

    QSound *sound_;

    QAuServerQWS *server_;

    static int next;

};

int QAuBucketQWS::next = 0;

class QAuServerQWS : public QAuServer

{

    Q_OBJECT

public:

    QAuServerQWS( QObject* parent );

    void init( QSound* s )

    {

        QAuBucketQWS *bucket = new QAuBucketQWS( this, s );

#ifdef MEDIA_SERVER

        connect( bucket, SIGNAL(done(QAuBucketQWS*)),

            this, SLOT(complete(QAuBucketQWS*)) );

#endif

        setBucket( s, bucket );

    }

#ifndef MEDIA_SERVER

    // Register bucket

    void insert( QAuBucketQWS *bucket )

    {

        buckets.insert( bucket->id(), bucket );

    }

    // Remove bucket from register

    void remove( QAuBucketQWS *bucket )

    {

        buckets.remove( bucket->id() );

    }

#endif

    void play( QSound* s )

    {

        QString filepath = QFileInfo( s->fileName() ).absoluteFilePath();

#if defined(QT_NO_QWS_SOUNDSERVER)

        server->playFile( bucket( s )->id(), filepath );

#elif defined(MEDIA_SERVER)

        bucket( s )->play();

#else

        client->play( bucket( s )->id(), filepath );

#endif

    }

    void stop( QSound* s )

    {

#if defined(QT_NO_QWS_SOUNDSERVER)

        server->stopFile( bucket( s )->id() );

#elif defined(MEDIA_SERVER)

        bucket( s )->stop();

#else

        client->stop( bucket( s )->id() );

#endif

    }

    bool okay() { return true; }

private slots:

    // Continue playing sound if loops remain

    void complete( int id )

    {

#ifndef MEDIA_SERVER

        QAuBucketQWS *bucket = find( id );

        if( bucket ) {

            QSound *sound = bucket->sound();

            if( decLoop( sound ) ) {

                play( sound );

            }

        }

#else

        Q_UNUSED(id);

#endif

    }

    // Only for Media Server

    void complete( QAuBucketQWS* bucket )

    {

#ifndef MEDIA_SERVER

        Q_UNUSED(bucket);

#else

        QSound *sound = bucket->sound();

        if( decLoop( sound ) ) {

            play( sound );

        }

#endif

    }

protected:

    QAuBucketQWS* bucket( QSound *s )

    {

        return (QAuBucketQWS*)QAuServer::bucket( s );

    }

private:

#ifndef MEDIA_SERVER

    // Find registered bucket with given id, return null if none found

    QAuBucketQWS* find( int id )

    {

        QHash<int, QAuBucketQWS*>::Iterator it = buckets.find( id );

        if( it != buckets.end() ) {

            return it.value();

        }

        return 0;

    }

    QHash<int, QAuBucketQWS*> buckets; // ### possible problem with overlapping keys

#ifdef QT_NO_QWS_SOUNDSERVER

    QWSSoundServer *server;

#else

    QWSSoundClient *client;

#endif

#endif // MEDIA_SERVER

};

QAuServerQWS::QAuServerQWS(QObject* parent) :

    QAuServer(parent)

{

#ifndef MEDIA_SERVER

    setObjectName(QLatin1String("qauserverqws"));

#ifdef QT_NO_QWS_SOUNDSERVER

    server = new QWSSoundServer( this ); // ### only suitable for single application

    connect( server, SIGNAL(soundCompleted(int)),

        this, SLOT(complete(int)) );

#else

    client = new QWSSoundClient( this ); // ### requires successful connection

    connect( client, SIGNAL(soundCompleted(int)),

        this, SLOT(complete(int)) );

#endif

#endif // MEDIA_SERVER

}

QAuBucketQWS::QAuBucketQWS( QAuServerQWS *server, QSound *sound, QObject* parent )

    : QObject( parent ), sound_( sound ), server_( server )

{

#ifdef MEDIA_SERVER

    m_id = QUuid::createUuid();

    sound->setObjectName( m_id.toString() );

    m_channel = new QCopChannel(QLatin1String("QPE/QSound/") + m_id, this );

    connect( m_channel, SIGNAL(received(QString,QByteArray)),

        this, SLOT(processMessage(QString,QByteArray)) );

    {

        QCopMessage message( QLatin1String(SERVER_CHANNEL), QLatin1String("subscribe(QUuid)") );

        message << m_id;

    }

    {

        QString filepath = QFileInfo( sound_->fileName() ).absoluteFilePath();

        QCopMessage message( QLatin1String(SERVER_CHANNEL), QLatin1String("open(QUuid,QString)") );

        message << m_id << filepath;

    }

#else

    id_ = next++;

    server_->insert( this );

#endif

}

#ifdef MEDIA_SERVER

void QAuBucketQWS::play()

{

    QString filepath = QFileInfo( sound_->fileName() ).absoluteFilePath();

    QCopMessage message( QLatin1String(SERVER_CHANNEL), QLatin1String("play(QUuid)") );

    message << m_id;

}

void QAuBucketQWS::stop()

{

    QCopMessage message( QLatin1String(SERVER_CHANNEL), QLatin1String("stop(QUuid)") );

    message << m_id;

}

#endif // MEDIA_SERVER

void QAuBucketQWS::processMessage( const QString& msg, const QByteArray& data )

{

    Q_UNUSED(data);

#ifndef MEDIA_SERVER

    Q_UNUSED(msg);

#else

    if( msg == QLatin1String("done()") ) {

        emit done( this );

    }

#endif

}

QAuBucketQWS::~QAuBucketQWS()

{

#ifdef MEDIA_SERVER

    QCopMessage message( QLatin1String(SERVER_CHANNEL), QLatin1String("revoke(QUuid)") );

    message << m_id;

#else

    server_->remove( this );

#endif

}

QAuServer* qt_new_audio_server()

{

    return new QAuServerQWS(qApp);

}

#include "qsound_qws.moc"

#endif // QT_NO_SOUND

QT_END_NAMESPACE