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

**

** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the Qt Mobility Components.

**

** $QT_BEGIN_LICENSE:LGPL$

** 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.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

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

#include "s60mediaplayercontrol.h"

#include "s60mediaplayersession.h"

#include <QtCore/qdir.h>

#include <QtCore/qurl.h>

#include <QtCore/qdebug.h>

S60MediaPlayerControl::S60MediaPlayerControl(MS60MediaPlayerResolver& mediaPlayerResolver, QObject *parent)

    : QMediaPlayerControl(parent),

      m_mediaPlayerResolver(mediaPlayerResolver),

      m_session(NULL),

      m_stream(NULL)

{

}

S60MediaPlayerControl::~S60MediaPlayerControl()

{

}

qint64 S60MediaPlayerControl::position() const

{

    if (m_session)

        return m_session->position();

    return 0;

}

qint64 S60MediaPlayerControl::duration() const

{

    if (m_session)

        return m_session->duration();

    return -1;

}

QMediaPlayer::State S60MediaPlayerControl::state() const

{

    if (m_session)

        return m_session->state();

    return QMediaPlayer::StoppedState;

}

QMediaPlayer::MediaStatus S60MediaPlayerControl::mediaStatus() const

{   

    if (m_session)

        return m_session->mediaStatus();

    return m_mediaSettings.mediaStatus();

}

int S60MediaPlayerControl::bufferStatus() const

{

    if (m_session)

        return m_session->bufferStatus();

    return 0;

}

int S60MediaPlayerControl::volume() const

{

    if (m_session)

        return m_session->volume();

    return m_mediaSettings.volume();

}

bool S60MediaPlayerControl::isMuted() const

{

   if (m_session)

       return  m_session->isMuted();

   return m_mediaSettings.isMuted();

}

bool S60MediaPlayerControl::isSeekable() const

{

    if (m_session)

       return  m_session->isSeekable();

    return false;

}

QMediaTimeRange S60MediaPlayerControl::availablePlaybackRanges() const

{

    QMediaTimeRange ranges;

    if(m_session && m_session->isSeekable())

        ranges.addInterval(0, m_session->duration());

    return ranges;

}

qreal S60MediaPlayerControl::playbackRate() const

{

    // TODO: Add Symbian^3 support

    return m_mediaSettings.playbackRate();

}

void S60MediaPlayerControl::setPlaybackRate(qreal rate)

{

    // TODO: Add Symbian^3 support

    m_mediaSettings.setPlaybackRate(rate);

    emit playbackRateChanged(playbackRate());

}

void S60MediaPlayerControl::setPosition(qint64 pos)

{

    if (m_session)

        m_session->setPosition(pos);

}

void S60MediaPlayerControl::play()

{

    if (m_session)

        m_session->play();

}

void S60MediaPlayerControl::pause()

{

    if (m_session)

        m_session->pause();

}

void S60MediaPlayerControl::stop()

{

    if (m_session)

        m_session->stop();

}

void S60MediaPlayerControl::setVolume(int volume)

{

    int boundVolume = qBound(0, volume, 100);

    if (boundVolume == m_mediaSettings.volume())

        return;

    m_mediaSettings.setVolume(boundVolume);

    if (m_session)

        m_session->setVolume(boundVolume);

    emit volumeChanged(boundVolume);

}

void S60MediaPlayerControl::setMuted(bool muted)

{

    if (m_mediaSettings.isMuted() == muted)

        return;

    m_mediaSettings.setMuted(muted);

    if (m_session)

        m_session->setMuted(muted);

    emit mutedChanged(muted);

}

QMediaContent S60MediaPlayerControl::media() const

{

    return m_currentResource;

}

const QIODevice *S60MediaPlayerControl::mediaStream() const

{

    return m_stream;

}

void S60MediaPlayerControl::setMedia(const QMediaContent &source, QIODevice *stream)

{

    Q_UNUSED(stream)

    // we don't want to set & load media again when it is already loaded    

    if (m_session && m_currentResource == source)

        return;

    // store to variable as session is created based on the content type.

    m_currentResource = source;

    S60MediaPlayerSession *newSession = m_mediaPlayerResolver.PlayerSession();

    m_mediaSettings.setMediaStatus(QMediaPlayer::UnknownMediaStatus);

    if (m_session)

        m_session->reset();

    else {

        emit mediaStatusChanged(QMediaPlayer::UnknownMediaStatus);

        emit error(QMediaPlayer::NoError, QString());

    }

    m_session = newSession;

    if (m_session)

        m_session->load(source.canonicalUrl());

    else {

        QMediaPlayer::MediaStatus status = (source.isNull()) ? QMediaPlayer::NoMedia : QMediaPlayer::InvalidMedia;

        m_mediaSettings.setMediaStatus(status);

        emit stateChanged(QMediaPlayer::StoppedState);

        emit error((source.isNull()) ? QMediaPlayer::NoError : QMediaPlayer::ResourceError, 

                   (source.isNull()) ? "" : tr("Media couldn't be resolved"));

        emit mediaStatusChanged(status);

    }

    emit mediaChanged(m_currentResource);

  }

S60MediaPlayerSession* S60MediaPlayerControl::session()

{

    return m_session;

}

void S60MediaPlayerControl::setVideoOutput(QObject *output)

{

    m_mediaPlayerResolver.VideoPlayerSession()->setVideoRenderer(output);

}

bool S60MediaPlayerControl::isAudioAvailable() const

{

    if (m_session)

        return m_session->isAudioAvailable(); 

    return false;

}

bool S60MediaPlayerControl::isVideoAvailable() const

{

    if (m_session)

        return m_session->isVideoAvailable();

    return false;

}

const S60MediaSettings& S60MediaPlayerControl::mediaControlSettings() const

{

    return m_mediaSettings;

}

void S60MediaPlayerControl::setAudioEndpoint(const QString& name)

{

    m_mediaSettings.setAudioEndpoint(name);

}