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#include "s60videoplayersession.h"

#include "s60videowidget.h"

#include "s60mediaplayerservice.h"

#include "s60videooverlay.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>

S60VideoPlayerSession::S60VideoPlayerSession(QMediaService *service)

    : S60MediaPlayerSession(service)

    , m_player(0)

    , m_rect(0, 0, 0, 0)

    , m_videoOutput(0)

    , m_windowId(0)

    , m_dsaActive(false)

    , m_dsaStopped(false)

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

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

    , m_window(0)

    , m_displayWindow(0)

    , m_service(*service)

    , m_aspectRatioMode(Qt::KeepAspectRatio)

    , m_originalSize(1, 1)

    , m_audioEndpoint("Default")

{

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    m_audioOutput = 0;

#endif

#ifdef MMF_VIDEO_SURFACES_SUPPORTED

    QT_TRAP_THROWING(m_player = CVideoPlayerUtility2::NewL(

        *this,

        0,

        EMdaPriorityPreferenceNone

        ));

#else

    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);

#endif // MMF_VIDEO_SURFACES_SUPPORTED

}

S60VideoPlayerSession::~S60VideoPlayerSession()

{

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

#endif

    if (m_player) {

        m_player->Close();

        delete m_player;

        m_player = NULL;

    }

}

void S60VideoPlayerSession::doLoadL(const TDesC &path)

{

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    // m_audioOutput needs to be reinitialized after MapcInitComplete

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

    m_audioOutput = NULL;

#endif

    m_player->OpenFileL(path);

}

void S60VideoPlayerSession::doLoadUrlL(const TDesC &path)

{

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    // m_audioOutput needs to be reinitialized after MapcInitComplete

    if (m_audioOutput)

        m_audioOutput->UnregisterObserver(*this);

    delete m_audioOutput;

    m_audioOutput = NULL;

#endif

    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);

}

#ifdef MMF_VIDEO_SURFACES_SUPPORTED

void S60VideoPlayerSession::setVideoRenderer(QObject *videoOutput)

{

    if (videoOutput == m_videoOutput)

        return;

    S60VideoWidgetControl *newWidgetControl = qobject_cast<S60VideoWidgetControl *>(videoOutput);

    S60VideoWidgetControl *oldWidgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

    if (oldWidgetControl) {

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

        disconnect(oldWidgetControl, SIGNAL(widgetResized()), this, SLOT(resizeVideoWindow()));

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

    }

    if (newWidgetControl) {

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

        connect(newWidgetControl, SIGNAL(widgetResized()), this, SLOT(resizeVideoWindow()));

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

    }

    m_videoOutput = videoOutput;

    resetVideoDisplay();

}

#else // MMF_VIDEO_SURFACES_SUPPORTED

void S60VideoPlayerSession::setVideoRenderer(QObject *videoOutput)

{

    if (videoOutput == m_videoOutput)

        return;

    S60VideoWidgetControl *newWidgetControl = qobject_cast<S60VideoWidgetControl *>(videoOutput);

    S60VideoWidgetControl *oldWidgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

    if (oldWidgetControl) {

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

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

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

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

    }

    if (newWidgetControl) {

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

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

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

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

    }

    m_videoOutput = videoOutput;

    resetVideoDisplay();

}

#endif // MMF_VIDEO_SURFACES_SUPPORTED

bool S60VideoPlayerSession::resetNativeHandles()

{

    WId newId = 0;

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

    Qt::AspectRatioMode aspectRatioMode = Qt::KeepAspectRatio;

    S60VideoWidgetControl *widgetControl;

    if (!m_videoOutput) // this is for pre Symbian^3 devices as we need output for CVideoPlayerUtility

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

    else

        widgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

    if (widgetControl) {

        QWidget *videoWidget = widgetControl->videoWidget();

        newId = widgetControl->videoWidgetWId();

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

        aspectRatioMode = widgetControl->aspectRatioMode();

    } 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();

}

#ifdef MMF_VIDEO_SURFACES_SUPPORTED

void S60VideoPlayerSession::MvpuoPrepareComplete(TInt aError)

{

    setError(aError); // if we have some playback errors, handle them

    if (m_displayWindow) {

        m_player->RemoveDisplayWindow(*m_displayWindow);

        m_displayWindow = NULL;

    }

    RWindow *window = static_cast<RWindow *>(m_window);

    if (window) {

        TRect rect;

        S60VideoWidgetControl* widgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

        const QSize size = widgetControl->videoWidgetSize();

        rect.SetSize(TSize(size.width(), size.height()));

        m_rect = rect;

        window->SetBackgroundColor(TRgb(0, 0, 0, 255));

        TRAPD(error,

            m_player->AddDisplayWindowL(m_wsSession, m_screenDevice, *window, m_rect, m_rect);)

        setError(error); // if we can't add window it an error at this point

        TSize originalSize;

        TRAP_IGNORE(

            m_player->VideoFrameSizeL(originalSize);

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

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

        m_displayWindow = window;

    }

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    TRAPD(err,

        m_audioOutput = CAudioOutput::NewL(*m_player);

        m_audioOutput->RegisterObserverL(*this);

    );

    setActiveEndpoint(m_audioEndpoint);

    setError(err);

#endif

    loaded();

}

#else

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));

    if (err == KErrNone)

        m_dsaActive = true;

    setError(err);

#ifdef HAS_AUDIOROUTING_IN_VIDEOPLAYER

    TRAP(err,

        m_audioOutput = CAudioOutput::NewL(*m_player);

        m_audioOutput->RegisterObserverL(*this);

    );

    setActiveEndpoint(m_audioEndpoint);

    setError(err);

#endif

    loaded();

}

#endif // MMF_VIDEO_SURFACES_SUPPORTED

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();

}

#ifdef MMF_VIDEO_SURFACES_SUPPORTED

void S60VideoPlayerSession::resetVideoDisplay()

{

    if (resetNativeHandles()) {

        S60VideoWidgetControl *widgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

        if (!widgetControl)

            return;

        TRect rect;

        const QSize size = widgetControl->videoWidgetSize();

        rect.SetSize(TSize(size.width(), size.height()));

        m_rect = rect;

        if (m_displayWindow) {

            m_player->RemoveDisplayWindow(*m_displayWindow);

            m_displayWindow = NULL;

        }

        RWindow *window = static_cast<RWindow *>(m_window);

        if (window) {

            window->SetBackgroundColor(TRgb(0, 0, 0, 255));

            TRAP_IGNORE(

               m_player->AddDisplayWindowL(m_wsSession,

                                           m_screenDevice,

                                           *window,

                                           m_rect,

                                           m_rect));

            m_displayWindow = window;

        }

        if(    mediaStatus() == QMediaPlayer::LoadedMedia

            || mediaStatus() == QMediaPlayer::StalledMedia

            || mediaStatus() == QMediaPlayer::BufferingMedia

            || mediaStatus() == QMediaPlayer::BufferedMedia

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

            Q_ASSERT(m_displayWindow != 0);

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

            setError(err);

        }

    }

}

#else

void S60VideoPlayerSession::resetVideoDisplay()

{

    if (resetNativeHandles()) {

        TRAPD(err,

           m_player->SetDisplayWindowL(m_wsSession,

                                       m_screenDevice,

                                       *m_window,

                                       m_rect,

                                       m_rect));

        if (err == KErrNone)

            m_dsaActive = true;

        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);

        }

    }

}

#endif //MMF_VIDEO_SURFACES_SUPPORTED

void S60VideoPlayerSession::resizeVideoWindow()

{

#ifdef MMF_VIDEO_SURFACES_SUPPORTED

    S60VideoWidgetControl *widgetControl = qobject_cast<S60VideoWidgetControl *>(m_videoOutput);

    m_aspectRatioMode = widgetControl->aspectRatioMode();

    TRect rect;

    const QSize size = widgetControl->videoWidgetSize();

    rect.SetSize(TSize(size.width(), size.height()));

    m_rect = rect;

    TRAPD( err, m_player->SetVideoExtentL(*m_displayWindow, m_rect);

        m_player->SetWindowClipRectL(*m_displayWindow, m_rect);)

    // don't waste time on calling this when we have error

    if (KErrNone != err) {

        TSize originalSize;

        TRAP_IGNORE(

            m_player->VideoFrameSizeL(originalSize);

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

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

    }

#endif //MMF_VIDEO_SURFACES_SUPPORTED

}

void S60VideoPlayerSession::suspendDirectScreenAccess()

{

    m_dsaStopped = stopDirectScreenAccess();

}

void S60VideoPlayerSession::resumeDirectScreenAccess()