/*

* Copyright (c) 2005-2007 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:  Image transaction element

*

*/

#include "xnbitmap.h"

#include "xntype.h"

#include <gulicon.h>

#include "imagetransactionelement.h"

#include "xmluicontrollerpanic.h"

#include "aixmluiutils.h"

using namespace AiXmlUiController;

using namespace XnImageInterface;

namespace AiXmlUiController

{

// ======== MEMBER FUNCTIONS ========

CImageTransactionElement::CImageTransactionElement(

    AiUtility::CContentPriorityMap& aContentPriorityMap)

    : CTransactionElement(aContentPriorityMap)

    {

    }

CImageTransactionElement* CImageTransactionElement::NewL(

    AiUtility::CContentPriorityMap& aContentPriorityMap)

    {

    CImageTransactionElement* self = 

        new( ELeave ) CImageTransactionElement( aContentPriorityMap );

    return self;

    }

CImageTransactionElement::~CImageTransactionElement()

    {

    delete iIcon;    

    }

void CImageTransactionElement::InitializeL( CXnNodeAppIf& aTarget,

    CGulIcon* aIcon )

    {

    LeaveIfNull( aIcon, KErrArgument );

    CheckTypeL( aTarget );

    SetTarget( aTarget );

    iIcon = aIcon;

    iFilename = KNullDesC();

    }

void CImageTransactionElement::InitializeL( CXnNodeAppIf& aTarget,

    RFile& aFile )

    {    

    CheckTypeL( aTarget );   

    SetTarget( aTarget );

    iFilename = KNullDesC();

    aFile.FullName( iFilename );

    delete iIcon;

    iIcon = NULL;    

    }

void CImageTransactionElement::UpdateDataL()

    {           

    const TDesC8& type( Target().Type()->Type() );

    if ( type == XnImageInterface::MXnImageInterface::Type() )

        {

        MXnImageInterface* image( NULL );

        XnComponentInterface::MakeInterfaceL( image, Target() );

        LeaveIfNull( image, KErrNotSupported );

        if ( iIcon )

            {

            // Set new bitmaps. Ownership is transferred to MXnImageInterface

            iIcon->SetBitmapsOwnedExternally( ETrue );

            image->SetContentBitmaps( iIcon->Bitmap(), iIcon->Mask() );

            }

        else if ( iFilename != KNullDesC() )

            {

            image->SetContentBitmaps( iFilename );

            }        

        }

    UpdateContentPriorityL();

    }

void CImageTransactionElement::Reset()

    {

    CTransactionElement::Reset();

    iFilename = KNullDesC();    

    delete iIcon;

    iIcon = NULL;    

    }

TBool CImageTransactionElement::IsSupported( CXnNodeAppIf& aTarget )

    {

    // Get type info

    CXnType* typeInfo( aTarget.Type() );

    if ( !typeInfo )

        {

        return EFalse;

        }

    const TDesC8& type( typeInfo->Type() );

    // image element and newsticker supported

    return ( type == XnImageInterface::MXnImageInterface::Type() );

    }

void CImageTransactionElement::CheckTypeL( CXnNodeAppIf& aTarget )

    {

    if ( !IsSupported( aTarget ) )

        {

        User::Leave( KErrNotSupported );

        }

    }

} // ns

// End of file