/*

* Copyright (c) 2002-2008 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:  Data context suitable for containers.

*

*/

// INCLUDE FILES

#include <e32base.h>

#include "AknsContainerDataContext.h"

#include <AknsUtils.h>

#include <AknsSkinInstance.h>

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

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

// CAknsContainerDataContext::CAknsContainerDataContext

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CAknsContainerDataContext::CAknsContainerDataContext()

    {

    }

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

// CAknsContainerDataContext::NewL

// Two-phased constructor.

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

//

CAknsContainerDataContext* CAknsContainerDataContext::NewL()

    {

    CAknsContainerDataContext* self = new (ELeave) CAknsContainerDataContext;

    return self;

    }

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

// Destructor

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

//

CAknsContainerDataContext::~CAknsContainerDataContext()

    {

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    if( !skin )

        {

        return;

        }

    TInt n;

    while( (n=iIDArray.Count()) > 0 )

        {

        skin->RootDataContext()->ReleaseItem( iIDArray[n-1] );

        iIDArray.Remove( n-1 );

        }

    iIDArray.Close();

    }

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

// CAknsContainerDataContext::ReserveItemL()

// (documented in the header).

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

//

void CAknsContainerDataContext::ReserveItemL( const TAknsItemID& aID )

    {

    MAknsSkinInstance* skin = AknsUtils::SkinInstance();

    if( !skin )

        {

        return;

        }

    if( iIDArray.FindInOrder( aID, TAknsItemID::LinearOrder ) == KErrNotFound )

        {

        skin->RootDataContext()->ReserveItemL( aID );

        User::LeaveIfError(

            iIDArray.InsertInOrder( aID, TAknsItemID::LinearOrder ) );

        }

    }

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

// CAknsContainerDataContext::ReleaseItem()

// (documented in the header).

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

//

void CAknsContainerDataContext::ReleaseItem( const TAknsItemID& /*aID*/ )

    {

    }

//  End of File