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#include "s60videoplayersession.h"

#include "s60videowidget.h"

#include "s60mediaplayerservice.h"

#include "s60videooverlay.h"

#include <QtCore/qdebug.h>

#include <QtGui/qwidget.h>

#include <QtCore/qtimer.h>

#include <QApplication>

#include <coecntrl.h>

#include <coemain.h>    // For CCoeEnv

#include <w32std.h>

#include <mmf/common/mmfcontrollerframeworkbase.h>

#include <AudioOutput.h>

#include <MAudioOutputObserver.h>

S60VideoPlayerSession::S60VideoPlayerSession(QMediaService *service)

    : S60MediaPlayerSession(service)

    , m_player(0)

    , m_rect(0, 0, 0, 0)

    , m_output(QVideoOutputControl::NoOutput)

    , m_windowId(0)

    , m_dsaActive(false)

    , m_dsaStopped(false)

    , m_wsSession(CCoeEnv::Static()->WsSession())

    , m_screenDevice(*CCoeEnv::Static()->ScreenDevice())

    , m_window(0)

    , m_service(*service)

    , m_aspectRatioMode(Qt::KeepAspectRatio)

    , m_originalSize(1, 1)

    , m_audioOutput(0)

    , m_audioEndpoint("Default")

{  

    resetNativeHandles();

    QT_TRAP_THROWING(m_player = CVideoPlayerUtility::NewL(

        *this, 

        0, 

        EMdaPriorityPreferenceNone, 

        m_wsSession, 

        m_screenDevice, 

        *m_window, 

        m_rect, 

        m_rect));

    m_dsaActive = true;

    m_player->RegisterForVideoLoadingNotification(*this);

}

S60VideoPlayerSession::~S60VideoPlayerSession()

{

#if !defined(HAS_NO_AUDIOROUTING_IN_VIDEOPLAYER)

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

#endif

    m_player->Close();

    delete m_player;

}

void S60VideoPlayerSession::doLoadL(const TDesC &path)

{

    // m_audioOutput needs to be reinitialized after MapcInitComplete

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

    m_audioOutput = NULL;

    m_player->OpenFileL(path);

}

void S60VideoPlayerSession::doLoadUrlL(const TDesC &path)

{

    // m_audioOutput needs to be reinitialized after MapcInitComplete

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

    m_audioOutput = NULL;

    m_player->OpenUrlL(path);

}

int S60VideoPlayerSession::doGetBufferStatusL() const

{

    int progress = 0;

    m_player->GetVideoLoadingProgressL(progress);

    return progress;

}

qint64 S60VideoPlayerSession::doGetDurationL() const

{

    return m_player->DurationL().Int64() / qint64(1000);   

}

void S60VideoPlayerSession::setVideoRenderer(QObject *videoOutput)

{

    Q_UNUSED(videoOutput)

    QVideoOutputControl *videoControl = qobject_cast<QVideoOutputControl *>(m_service.control(QVideoOutputControl_iid));

    //Render changes

    if (m_output != videoControl->output()) {

        if (m_output == QVideoOutputControl::WidgetOutput) {

            S60VideoWidgetControl *widgetControl = qobject_cast<S60VideoWidgetControl *>(m_service.control(QVideoWidgetControl_iid));

            disconnect(widgetControl, SIGNAL(widgetUpdated()), this, SLOT(resetVideoDisplay()));

            disconnect(widgetControl, SIGNAL(beginVideoWindowNativePaint()), this, SLOT(suspendDirectScreenAccess()));

            disconnect(widgetControl, SIGNAL(endVideoWindowNativePaint()), this, SLOT(resumeDirectScreenAccess()));

            disconnect(this, SIGNAL(stateChanged(QMediaPlayer::State)), widgetControl, SLOT(videoStateChanged(QMediaPlayer::State)));

        }

        if (videoControl->output() == QVideoOutputControl::WidgetOutput) {

            S60VideoWidgetControl *widgetControl = qobject_cast<S60VideoWidgetControl *>(m_service.control(QVideoWidgetControl_iid));

            connect(widgetControl, SIGNAL(widgetUpdated()), this, SLOT(resetVideoDisplay()));

            connect(widgetControl, SIGNAL(beginVideoWindowNativePaint()), this, SLOT(suspendDirectScreenAccess()));

            connect(widgetControl, SIGNAL(endVideoWindowNativePaint()), this, SLOT(resumeDirectScreenAccess()));

            connect(this, SIGNAL(stateChanged(QMediaPlayer::State)), widgetControl, SLOT(videoStateChanged(QMediaPlayer::State)));

        }

        m_output = videoControl->output();

        resetVideoDisplay();

    }

}

bool S60VideoPlayerSession::resetNativeHandles()

{

    QVideoOutputControl* videoControl = qobject_cast<QVideoOutputControl *>(m_service.control(QVideoOutputControl_iid));

    WId newId = 0;

    TRect newRect = TRect(0,0,0,0);

    Qt::AspectRatioMode aspectRatioMode = Qt::KeepAspectRatio;

    if (videoControl->output() == QVideoOutputControl::WidgetOutput) {

        S60VideoWidgetControl* widgetControl = qobject_cast<S60VideoWidgetControl *>(m_service.control(QVideoWidgetControl_iid));

        QWidget *videoWidget = widgetControl->videoWidget();

        newId = widgetControl->videoWidgetWId();

        newRect = QRect2TRect(QRect(videoWidget->mapToGlobal(videoWidget->pos()), videoWidget->size()));

        aspectRatioMode = widgetControl->aspectRatioMode();

    } else if (videoControl->output() == QVideoOutputControl::WindowOutput) {

        S60VideoOverlay* windowControl = qobject_cast<S60VideoOverlay *>(m_service.control(QVideoWindowControl_iid));

        newId = windowControl->winId();

        newRect = TRect( newId->DrawableWindow()->AbsPosition(), newId->DrawableWindow()->Size());

    } else {

        if (QApplication::activeWindow())

            newId = QApplication::activeWindow()->effectiveWinId();

        if (!newId && QApplication::allWidgets().count())

            newId = QApplication::allWidgets().at(0)->effectiveWinId();

        Q_ASSERT(newId != 0);

    }

    if (newRect == m_rect &&  newId == m_windowId && aspectRatioMode == m_aspectRatioMode) 

        return false;

    if (newId) {

        m_rect = newRect;

        m_windowId = newId;

        m_window = m_windowId->DrawableWindow();

        m_aspectRatioMode = aspectRatioMode;

        return true;

    }

    return false;

}

bool S60VideoPlayerSession::isVideoAvailable() const

{

#ifdef PRE_S60_50_PLATFORM

    return true; // this is not support in pre 5th platforms

#else

    if (m_player)

        return m_player->VideoEnabledL();

    else

        return false;

#endif

}

bool S60VideoPlayerSession::isAudioAvailable() const

{

    if (m_player)

        return m_player->AudioEnabledL();

    else

        return false;

}

void S60VideoPlayerSession::doPlay()

{   

    m_player->Play();

}

void S60VideoPlayerSession::doPauseL()

{

    m_player->PauseL();

}

void S60VideoPlayerSession::doStop()

{

    m_player->Stop();

}

qint64 S60VideoPlayerSession::doGetPositionL() const

{

    return m_player->PositionL().Int64() / qint64(1000);

}

void S60VideoPlayerSession::doSetPositionL(qint64 microSeconds)

{

    m_player->SetPositionL(TTimeIntervalMicroSeconds(microSeconds));

}

void S60VideoPlayerSession::doSetVolumeL(int volume)

{

    m_player->SetVolumeL((volume / 100.0)* m_player->MaxVolume());

}

QPair<qreal, qreal> S60VideoPlayerSession::scaleFactor()

{

    QSize scaled = m_originalSize;

    if (m_aspectRatioMode == Qt::IgnoreAspectRatio)

        scaled.scale(TRect2QRect(m_rect).size(), Qt::IgnoreAspectRatio);    

    else if(m_aspectRatioMode == Qt::KeepAspectRatio)

        scaled.scale(TRect2QRect(m_rect).size(), Qt::KeepAspectRatio);    

    qreal width = qreal(scaled.width()) / qreal(m_originalSize.width()) * qreal(100);

    qreal height = qreal(scaled.height()) / qreal(m_originalSize.height()) * qreal(100);

    return QPair<qreal, qreal>(width, height);

}

void S60VideoPlayerSession::startDirectScreenAccess()

{

    if(m_dsaActive)

        return;

    TRAPD(err, m_player->StartDirectScreenAccessL());

    if(err == KErrNone)

        m_dsaActive = true;

    setError(err);

}

bool S60VideoPlayerSession::stopDirectScreenAccess()

{

    if(!m_dsaActive)

        return false;

    TRAPD(err, m_player->StopDirectScreenAccessL());

    if(err == KErrNone)

        m_dsaActive = false;

    setError(err);

    return true;     

}

void S60VideoPlayerSession::MvpuoOpenComplete(TInt aError)

{

    setError(aError);

    m_player->Prepare();

}

void S60VideoPlayerSession::MvpuoPrepareComplete(TInt aError)

{

    setError(aError);

    TRAPD(err, 

        m_player->SetDisplayWindowL(m_wsSession, 

                                    m_screenDevice, 

                                    *m_window,

                                    m_rect, 

                                    m_rect);

        TSize originalSize;

        m_player->VideoFrameSizeL(originalSize);

        m_originalSize = QSize(originalSize.iWidth, originalSize.iHeight);

        m_player->SetScaleFactorL(scaleFactor().first, scaleFactor().second, true));

    setError(err);

    m_dsaActive = true;

#if !defined(HAS_NO_AUDIOROUTING_IN_VIDEOPLAYER)

    TRAP(err, 

        m_audioOutput = CAudioOutput::NewL(*m_player);

        m_audioOutput->RegisterObserverL(*this);

    );

    setActiveEndpoint(m_audioEndpoint);

    setError(err);

#endif

    loaded();

}

void S60VideoPlayerSession::MvpuoFrameReady(CFbsBitmap &aFrame, TInt aError)

{

    Q_UNUSED(aFrame);

    Q_UNUSED(aError);

}

void S60VideoPlayerSession::MvpuoPlayComplete(TInt aError)

{

    setError(aError);

    endOfMedia();

}

void S60VideoPlayerSession::MvpuoEvent(const TMMFEvent &aEvent)

{

    Q_UNUSED(aEvent);

}

void S60VideoPlayerSession::updateMetaDataEntriesL()

{

    metaDataEntries().clear();

    int numberOfMetaDataEntries = 0;

    numberOfMetaDataEntries = m_player->NumberOfMetaDataEntriesL();

    for (int i = 0; i < numberOfMetaDataEntries; i++) {

        CMMFMetaDataEntry *entry = NULL;

        entry = m_player->MetaDataEntryL(i);

        metaDataEntries().insert(TDesC2QString(entry->Name()), TDesC2QString(entry->Value()));

        delete entry;

    }

    emit metaDataChanged();

}

void S60VideoPlayerSession::resetVideoDisplay()

{

    if (resetNativeHandles()) {

        TRAPD(err,

           m_player->SetDisplayWindowL(m_wsSession, 

                                       m_screenDevice, 

                                       *m_window, 

                                       m_rect, 

                                       m_rect));

        setError(err);

        if(    mediaStatus() == QMediaPlayer::LoadedMedia 

            || mediaStatus() == QMediaPlayer::StalledMedia 

            || mediaStatus() == QMediaPlayer::BufferingMedia

            || mediaStatus() == QMediaPlayer::BufferedMedia

            || mediaStatus() == QMediaPlayer::EndOfMedia) {

            TRAPD(err, m_player->SetScaleFactorL(scaleFactor().first, scaleFactor().second, true));

            setError(err);

        }

    }

}

void S60VideoPlayerSession::suspendDirectScreenAccess()

{

    m_dsaStopped = stopDirectScreenAccess();

}

void S60VideoPlayerSession::resumeDirectScreenAccess()

{

    if(!m_dsaStopped)

        return;

    startDirectScreenAccess();

    m_dsaStopped = false;

}

void S60VideoPlayerSession::MvloLoadingStarted()

{

    buffering();

}

void S60VideoPlayerSession::MvloLoadingComplete()

{

    buffered();

}

void S60VideoPlayerSession::doSetAudioEndpoint(const QString& audioEndpoint)

{

    m_audioEndpoint = audioEndpoint;

}

QString S60VideoPlayerSession::activeEndpoint() const

{

    QString outputName = QString("Default");

#if !defined(HAS_NO_AUDIOROUTING_IN_VIDEOPLAYER)

    if (m_audioOutput) {

        CAudioOutput::TAudioOutputPreference output = m_audioOutput->AudioOutput();

        outputName = qStringFromTAudioOutputPreference(output);

    }

#endif

    return outputName;

}

QString S60VideoPlayerSession::defaultEndpoint() const

{

    QString outputName = QString("Default");

#if !defined(HAS_NO_AUDIOROUTING_IN_VIDEOPLAYER)

    if (m_audioOutput) {

        CAudioOutput::TAudioOutputPreference output = m_audioOutput->DefaultAudioOutput();

        outputName = qStringFromTAudioOutputPreference(output);

    }

#endif

    return outputName;

}

void S60VideoPlayerSession::setActiveEndpoint(const QString& name)

{

    CAudioOutput::TAudioOutputPreference output = CAudioOutput::ENoPreference;

    if (name == QString("Default"))

        output = CAudioOutput::ENoPreference;

    else if (name == QString("All"))

        output = CAudioOutput::EAll;

    else if (name == QString("None"))

        output = CAudioOutput::ENoOutput;

    else if (name == QString("Earphone"))

        output = CAudioOutput::EPrivate;

    else if (name == QString("Speaker"))

        output = CAudioOutput::EPublic;

#if !defined(HAS_NO_AUDIOROUTING_IN_VIDEOPLAYER)

    if (m_audioOutput) {

        TRAPD(err, m_audioOutput->SetAudioOutputL(output));

        setError(err);

        if (m_audioEndpoint != name) {

            m_audioEndpoint = name;

            emit activeEndpointChanged(name);

        }

    }

#endif

}

void S60VideoPlayerSession::DefaultAudioOutputChanged( CAudioOutput& aAudioOutput,

                                        CAudioOutput::TAudioOutputPreference aNewDefault )

{

    // Emit already implemented in setActiveEndpoint function

    Q_UNUSED(aAudioOutput)

    Q_UNUSED(aNewDefault)

}

QString S60VideoPlayerSession::qStringFromTAudioOutputPreference(CAudioOutput::TAudioOutputPreference output) const

{

    if (output == CAudioOutput::ENoPreference)

        return QString("Default");

    else if (output == CAudioOutput::EAll)

        return QString("All");

    else if (output == CAudioOutput::ENoOutput)

        return QString("None");

    else if (output == CAudioOutput::EPrivate)

        return QString("Earphone");

    else if (output == CAudioOutput::EPublic)

        return QString("Speaker");

    return QString("Default");

}