/*

* Copyright (c) 2008-2009 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:    

*

*/

#include <w32std.h>

#include <alf/alfutil.h>

#include <glxtracer.h>

#include <glxlog.h>

#include "glxtv.h"                      // for CGlxTv

#include "glxhdmicontainer.h"

#include "glxhdmisurfaceupdater.h"

#include "glxhdmicontroller.h"

// 720p image size

const TInt KHdTvWidth = 1280;

const TInt KHdTvHeight = 720;

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

// NewLC

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

EXPORT_C CGlxHdmiController* CGlxHdmiController::NewL(const TDesC& aImageFile)

    {

    TRACER("CGlxHdmiController* CGlxHdmiController::NewL()");

    CGlxHdmiController* self = new (ELeave) CGlxHdmiController(aImageFile);

    CleanupStack::PushL(self);

    self->ConstructL();

    CleanupStack::Pop(self);

    return self;

    }

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

// destructor 

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

EXPORT_C CGlxHdmiController::~CGlxHdmiController()

    {

    TRACER("CGlxHdmiController::~CGlxHdmiController()");

    DestroySurfaceUpdater();

    DestroyContainer();

    delete iStoredImagePath;

    iStoredImagePath = NULL;

    }

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

// Setting an Image Path 

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

EXPORT_C void CGlxHdmiController::SetImageL(const TDesC& aImageFile,

        TSize aImageDimensions, TInt aFrameCount)

    {

    TRACER("CGlxHdmiController::SetImageL()");

    StoreImageInfoL(aImageFile, aImageDimensions, aFrameCount);

    if (iGlxTvOut->IsConnected())

        {

        if(aImageDimensions.iHeight<=KHdTvHeight && 

                aImageDimensions.iWidth<= KHdTvWidth && aFrameCount > 0)

            {

            DestroySurfaceUpdater();

            if (!iHdmiContainer)

                {

                CreateHdmiContainerL(); 

                }

            CreateSurfaceUpdaterL(aImageFile, aImageDimensions, aFrameCount);

            }

        else

            {

            // do not close the surface , use the same surface instead.

            // Call a function to pass imagefile, imagedimension, framecount

            if (!iHdmiContainer)

                {            

                CreateHdmiContainerL(); 

                }            

            if (!iSurfaceUpdater)

                {

                // This case would come when surface updater is not created at the first instance and also

                // it satisfies the 720p condition                

                CreateSurfaceUpdaterL(aImageFile, aImageDimensions, aFrameCount);

                }

            else

                {

                iSurfaceUpdater->UpdateNewImageL(aImageFile, aFrameCount);

                }

            iHdmiContainer->DrawNow();

            }

        }

    }

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

// IsVideo 

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

EXPORT_C void CGlxHdmiController::IsVideo()

    {

    TRACER("CGlxHdmiController::IsVideo()");

    if (iGlxTvOut->IsConnected())

        {

        DestroySurfaceUpdater();

        }

    }

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

// ActivateZoom 

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

EXPORT_C void CGlxHdmiController::ActivateZoom()

    {

    TRACER("CGlxHdmiController::ActivateZoom()");

    if (iGlxTvOut->IsConnected())

        {

        iSurfaceUpdater->ActivateZoom();

        }

    }

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

// DeactivateZoom 

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

EXPORT_C void CGlxHdmiController::DeactivateZoom()

    {

    TRACER("CGlxHdmiController::DeactivateZoom()");

    if (iGlxTvOut->IsConnected())

        {

        iSurfaceUpdater->DeactivateZoom();

        }

    }

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

// Constructor

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

CGlxHdmiController::CGlxHdmiController(const TDesC& aImageFile):

        iImagePath(aImageFile)

    {

    TRACER("CGlxHdmiController::CGlxHdmiController()");

    // Implement nothing here

    }

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

// ConstructL 

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

void CGlxHdmiController::ConstructL()

    {

    TRACER("CGlxHdmiController::ConstructL()");

    iGlxTvOut = CGlxTv::NewL(*this);

    }

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

// DestroyContainer 

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

void CGlxHdmiController::DestroyContainer()

    {

    TRACER("CGlxHdmiController::DestroyContainer()");

    if (iHdmiContainer)

        {

        GLX_LOG_INFO("CGlxHdmiController::DestroyHdmi() - deleting iHdmiContainer 1");

        delete iHdmiContainer;

        iHdmiContainer = NULL;

        }

    }

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

// DestroySurfaceUpdater 

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

void CGlxHdmiController::DestroySurfaceUpdater()

    {

    TRACER("CGlxHdmiController::DestroySurfaceUpdater()");

    if (iSurfaceUpdater)

        {

        delete iSurfaceUpdater;

        iSurfaceUpdater = NULL;

        }    

    }

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

// CreateHdmiContainerL 

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

void CGlxHdmiController::CreateHdmiContainerL()

    {

    TRACER("CGlxHdmiController::CreateHdmiContainer()");

    TRect rect = AlfUtil::ScreenSize();

    iHdmiContainer = CGlxHdmiContainer::NewL(rect);

    }

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

// CreateSurfaceUpdaterL 

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

void CGlxHdmiController::CreateSurfaceUpdaterL(const TDesC& aImageFile, 

        TSize aImageDimensions, TInt aFrameCount)

    {

    TRACER("CGlxHdmiController::CreateSurfaceUpdater()");

    RWindow* window = iHdmiContainer->GetWindow();

    iSurfaceUpdater = CGlxHdmiSurfaceUpdater::NewL(window, aImageFile, aImageDimensions, 

            aFrameCount, iHdmiContainer);

    iHdmiContainer->DrawNow();

    }

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

// StoreImageInfoL 

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

void CGlxHdmiController::StoreImageInfoL(const TDesC& aImageFile,

        TSize aImageDimensions, TInt aFrameCount)

    {

    TRACER("CGlxHdmiController::StoreImageInfoL()");

    iStoredImagePath = aImageFile.AllocL();

    iImageDimensions = aImageDimensions;

    iFrameCount = aFrameCount;

    }

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

// HandleTvStatusChangedL 

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

void CGlxHdmiController::HandleTvStatusChangedL( TTvChangeType aChangeType )

    {

    TRACER("CGlxHdmiController::HandleTvStatusChangedL()");

    if ( aChangeType == ETvConnectionChanged )          

        {

        if ( iGlxTvOut->IsConnected() )

            {

            GLX_LOG_INFO("CGlxHdmiController::HandleTvStatusChangedL() - HDMI Connected");

            // Calling SetImageL() with appropriate parameters

            SetImageL(iStoredImagePath->Des(), iImageDimensions, iFrameCount);

            }

        else

            {

            // if it gets disconnected, destroy the surface 

            GLX_LOG_INFO("CGlxHdmiController::HandleTvStatusChangedL() - HDMI Not Connected");

            DestroySurfaceUpdater();

            }

        }

    }