/*

* 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:    Set coefficient layout

*

*/

#include "glxsetvaluelayout.h"

#include <alf/alfvisual.h>

#include <glxpanic.h> // Panic codes

namespace

    {

    const TInt KModifyOpacity  = 0x01;

    const TInt KModifySize     = 0x02;

    const TInt KModifyPosition = 0x04;

    }

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

// TGlxSetValueLayout

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

EXPORT_C TGlxSetValueLayout::TGlxSetValueLayout()

	: iOpacityValue( 0.0 ),	// set initial values

	iSizeValue( 0.0, 0.0 ),

	iPositionValue( 0.0, 0.0 ),

	iValuesToChange( 0 )

	{

	__DEBUG_ONLY( _iName = _L( "TGlxSetValueLayout" ) );

	}

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

// Destructor

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

EXPORT_C TGlxSetValueLayout::~TGlxSetValueLayout()

	{

	// Do nothing

	}

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

// SetValue

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

EXPORT_C void TGlxSetValueLayout::SetOpacity( 

	TReal32 aTarget, 

	TInt aMilliseconds )

	{

	// flag that we change opacity

	iValuesToChange |= KModifyOpacity;

	// set the value for alf timed value

	iOpacityValue.SetTarget( aTarget, aMilliseconds );

	}

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

// SetValue

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

EXPORT_C void TGlxSetValueLayout::SetSize( 

	TReal32 aTargetWidth, TReal32 aTargetHeight, TInt aMilliseconds )

	{

	// flag that we change size

	iValuesToChange |= KModifySize;

	// set the value for alf timed point

	iSizeValue.SetTarget(

	    TAlfRealPoint( aTargetWidth, aTargetHeight ), aMilliseconds );

	}

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

// TimedPoint

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

EXPORT_C void TGlxSetValueLayout::SetPosition( 

	TReal32 aTargetX, TReal32 aTargetY, TInt aMilliseconds )

	{

	// flag that we change position

	iValuesToChange |= KModifyPosition;

	// set the value for alf timed point

	iPositionValue.SetTarget( TAlfRealPoint( aTargetX, aTargetY ), aMilliseconds );

	}

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

// DoMapValue

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

void TGlxSetValueLayout::DoSetLayoutValues( TGlxLayoutInfo& aInfo )

	{

	CAlfVisual& visual = aInfo.Visual();

	// modify all the specified values

	if( iValuesToChange & KModifyOpacity )

		{

		// change the opacity

		visual.SetOpacity( iOpacityValue );

		}

	if( iValuesToChange & KModifySize )

		{

		// change the size

		visual.SetSize( iSizeValue );

		}

	if( iValuesToChange & KModifyPosition )

		{

		// change the position

		visual.SetPos( iPositionValue );

		}

	}