/*

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

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: CCoeControl to provide RWindow for videoplayback.

*              QGraphicsView derived class can not be used for this purpose,

*              because the Qt OpenVG context may interfere with the one being

*              used by the renderer.

*

*/

#include <QGraphicsWidget>

#include <graphics/surfaceconfiguration.h>

#include <mediaclientvideodisplay.h>

#include "svpbnativewindow.h"

#include "trace.h"

CSvpbNativeWindow* CSvpbNativeWindow::NewL(const TRect& displayRect)

{

    FUNC_LOG;

    CSvpbNativeWindow* self = new (ELeave) CSvpbNativeWindow;

    CleanupStack::PushL(self);

    self->ConstructL(displayRect);

    CleanupStack::Pop();

    return self;

}

CSvpbNativeWindow::~CSvpbNativeWindow()

{

    FUNC_LOG;

    detachSurface();

    CloseWindow();

}

int CSvpbNativeWindow::attachSurface(

        const TSurfaceId &surfaceId,

        const TRect &cropRect,

        const TVideoAspectRatio &aspectRatio)

{

    FUNC_LOG;

    INFO("Surface id:" << surfaceId.iInternal[0]

        << surfaceId.iInternal[1]

        << surfaceId.iInternal[2]

        << surfaceId.iInternal[3]);

    if (mSurfaceId.IsNull()) {

        mSurfaceId = surfaceId;

        return setupSurface(cropRect, aspectRatio);

    }

    else if (mSurfaceId == surfaceId) {

        detachSurface();

        return setupSurface(cropRect, aspectRatio);

    }

    else {

        detachSurface();

    }

    return 0;

}

void CSvpbNativeWindow::detachSurface()

{

    FUNC_LOG;

    if (mDisplay) {

        mDisplay->RemoveSurface();

        mDisplay->RemoveDisplayWindow( *(DrawableWindow()));

        delete mDisplay;

        mDisplay = 0;

    }

    mSurfaceId = TSurfaceId::CreateNullId();

}

CSvpbNativeWindow::CSvpbNativeWindow() :

    mSurfaceId(TSurfaceId::CreateNullId()),

    mDisplay(0)

{

    FUNC_LOG;

}

void CSvpbNativeWindow::ConstructL(const TRect& displayRect)

{

    FUNC_LOG;

    CreateWindowL();

    SetRect(displayRect);

    DrawableWindow()->SetOrdinalPosition(-1); // Send to background

    ActivateL();

}

int CSvpbNativeWindow::setupSurface(

    const TRect &cropRect, const TVideoAspectRatio &aspectRatio)

{

    FUNC_LOG;

    TInt displayId = CCoeEnv::Static()->ScreenDevice()->GetScreenNumber();

    INFO("Display id:" << displayId);

    QT_TRAP_THROWING(mDisplay = CMediaClientVideoDisplay::NewL(displayId));

    RWindowBase *videoWindow = DrawableWindow();

    TRect displayRect = Rect();

    TRAPD(err, mDisplay->AddDisplayWindowL(videoWindow,

        displayRect, // Window clipping rectangle, relative to the window

        cropRect,    // The dimensions of the crop region, relative to the video image

        displayRect, // Video extent on the screen

        100.0f,

        100.0f,

        displayRect.Width() < displayRect.Height() ? EVideoRotationClockwise90 : EVideoRotationNone,

        EAutoScaleStretch,

        EHorizontalAlignCenter,

        EVerticalAlignCenter,

        (RWindow*)videoWindow));

    HANDLE_ERROR_NEG(err);

    if (err == 0) {

        QT_TRAP_THROWING(mDisplay->SurfaceCreated(mSurfaceId, cropRect, aspectRatio, cropRect));

    }

    return err;

}