/*

* 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:    Layout to mapping function adapter class

*

*/

#include "glxlayouthelper.h"

#include <alf/alfvisual.h>  // CAlfVisual

#include <glxlayout.h> // MGlxLayout

#include <glxpanic.h> // Panic codes

#include <alf/alftimedvalue.h> // for TAlfRealPoint

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

// Constructor

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

//

EXPORT_C TGlxLayoutHelper::TGlxLayoutHelper( CAlfVisual& aVisual )

	: iLayoutInfo( &aVisual ),

	iVisual( aVisual ),

	iLayout( NULL )

	{

	// drawing origo is in top left corner of the image

	// Alf screen origo is in top left corner so this enables us to use 0,0

	// to get a full screen image onto the center of the screen

	iVisual.SetOrigin( EAlfVisualHOriginCenter, EAlfVisualVOriginCenter );

	}

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

// Destructor

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

EXPORT_C TGlxLayoutHelper::~TGlxLayoutHelper()

    {

    // nothing to do

    }

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

// LayoutVisual

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

EXPORT_C void TGlxLayoutHelper::LayoutVisual( TInt aIndex, TSize aScreenSize )

	{

	// assert that we have a layout before we do laying out of visual

	if( iLayout )

		{

		// reset the layout info

		iLayoutInfo.Reset( aIndex );

		iLayoutInfo.SetScreenSize( aScreenSize );

		// ask for the layout to update new values

		iLayout->SetLayoutValues( iLayoutInfo );

		}

	}

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

// LayoutVisual

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

EXPORT_C void TGlxLayoutHelper::LayoutPanVisual( TInt aIndex, TSize aScreenSize )

    {

    // assert that we have a layout before we do laying out of visual

    if( iLayout )

        {

        // reset the layout info

        iLayoutInfo.Reset( aIndex );

        iLayoutInfo.SetScreenSize( aScreenSize );

        }

    }

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

// SetLayout

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

EXPORT_C void TGlxLayoutHelper::SetLayout( MGlxLayout* aLayout )

	{

	iLayout = aLayout;

	}

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

// GetUpdatedVisualSize

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

EXPORT_C TSize TGlxLayoutHelper::GetUpdatedVisualSize(  )

	{

	return iLayoutInfo.iVisualSize ;

	}

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

// GetUpdatedRectSize

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

EXPORT_C TGlxLayoutInfo& TGlxLayoutHelper::GetUpdatedLayoutInfo(  )

    {

    return iLayoutInfo;

    }

//End of File