/*  This file is part of the KDE project.

Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

This library is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as published by

the Free Software Foundation, either version 2.1 or 3 of the License.

This library is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with this library.  If not, see <http://www.gnu.org/licenses/>.

*/

#include <videoplayer2.h>

#include <QtCore/private/qcore_symbian_p.h> // for qt_QRect2TRect

#include "utils.h"

#include "videooutput_surface.h"

#include "videoplayer_surface.h"

QT_BEGIN_NAMESPACE

using namespace Phonon;

using namespace Phonon::MMF;

// Two-phase constructor idiom is used because construct() calls virtual

// functions and therefore cannot be called from the AbstractVideoPlayer

// C++ constructor.

SurfaceVideoPlayer* SurfaceVideoPlayer::create(MediaObject *parent,

                                       const AbstractPlayer *player)

{

    QScopedPointer<SurfaceVideoPlayer> self(new SurfaceVideoPlayer(parent, player));

    self->construct();

    return self.take();

}

SurfaceVideoPlayer::SurfaceVideoPlayer(MediaObject *parent, const AbstractPlayer *player)

    :   AbstractVideoPlayer(parent, player)

    ,   m_displayWindow(0)

{

}

SurfaceVideoPlayer::~SurfaceVideoPlayer()

{

}

//-----------------------------------------------------------------------------

// Public functions

//-----------------------------------------------------------------------------

void MMF::SurfaceVideoPlayer::videoWindowSizeChanged()

{

    updateScaleFactors(m_videoOutput->videoWindowSize());

}

//-----------------------------------------------------------------------------

// Private functions

//-----------------------------------------------------------------------------

void MMF::SurfaceVideoPlayer::createPlayer()

{

    const TInt priority = 0;

    const TMdaPriorityPreference preference = EMdaPriorityPreferenceNone;

    CVideoPlayerUtility2 *player = 0;

    QT_TRAP_THROWING(player = CVideoPlayerUtility2::NewL(*this,

                                         priority, preference));

    m_player.reset(player);

}

void MMF::SurfaceVideoPlayer::initVideoOutput()

{

    bool connected = connect(

        m_videoOutput, SIGNAL(videoWindowSizeChanged()),

        this, SLOT(videoWindowSizeChanged())

    );

    Q_ASSERT(connected);

    // Suppress warnings in release builds

    Q_UNUSED(connected);

    AbstractVideoPlayer::initVideoOutput();

}

void MMF::SurfaceVideoPlayer::prepareCompleted()

{

    videoWindowSizeChanged();

}

void MMF::SurfaceVideoPlayer::handleVideoWindowChanged()

{

    parametersChanged(WindowHandle);

}

void MMF::SurfaceVideoPlayer::handleParametersChanged(VideoParameters parameters)

{

    CVideoPlayerUtility2 *player = static_cast<CVideoPlayerUtility2 *>(m_player.data());

    int err = KErrNone;

    TRect rect;

    if (m_videoOutput) {

        m_videoOutput->dump();

        const QSize size = m_videoOutput->videoWindowSize();

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

    }

    if (parameters & WindowHandle) {

        if (m_displayWindow)

            player->RemoveDisplayWindow(*m_displayWindow);

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

        if (window) {

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

            TRAP(err, player->AddDisplayWindowL(m_wsSession, m_screenDevice, *window, rect, rect));

            if (KErrNone != err) {

                setError(tr("Video display error"), err);

                window = 0;

            }

        }

        m_displayWindow = window;

    }

    if (KErrNone == err) {

        if (parameters & ScaleFactors) {

            Q_ASSERT(m_displayWindow);

            TRAP(err, player->SetVideoExtentL(*m_displayWindow, rect));

            if (KErrNone == err)

                TRAP(err, player->SetWindowClipRectL(*m_displayWindow, rect));

            if (KErrNone == err)

                TRAP(err, player->SetScaleFactorL(*m_displayWindow, m_scaleWidth, m_scaleHeight));

            if (KErrNone != err)

                setError(tr("Video display error"), err);

        }

    }

}

QT_END_NAMESPACE