/*

* 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:  Phonebook 2 view state transformer.

*

*/

#include "CPbk2ViewStateTransformer.h"

// Phonebook 2

#include <CPbk2MigrationInterface.h>

#include <CPbk2ViewState.h>

// Virtual Phonebook

#include <CVPbkContactManager.h>

/// Unused namespace for local definitions

namespace {

/**

 * Custom cleanup item.

 *

 * @param aObj  Pointer to item pushed on to the stack.

 */

void CleanupResetAndDestroy( TAny* aObj )

    {

    if ( aObj )

        {

        static_cast<RImplInfoPtrArray*>( aObj )->ResetAndDestroy();

        }

    }

} /// namespace

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

// CPbk2ViewStateTransformer::CPbk2ViewStateTransformer

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

//

CPbk2ViewStateTransformer::CPbk2ViewStateTransformer

        ( CVPbkContactManager& aContactManager ) :

            iContactManager( aContactManager )

    {

    }

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

// CPbk2ViewStateTransformer::~CPbk2ViewStateTransformer

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

//

CPbk2ViewStateTransformer::~CPbk2ViewStateTransformer()

    {

    }

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

// CPbk2ViewStateTransformer::NewL

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

//

EXPORT_C CPbk2ViewStateTransformer* CPbk2ViewStateTransformer::NewLC(

        CVPbkContactManager& aContactManager)

    {

    CPbk2ViewStateTransformer* self =

        new( ELeave ) CPbk2ViewStateTransformer( aContactManager );

    CleanupStack::PushL( self );

    return self;

    }

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

// CPbk2ViewStateTransformer::TransformLegacyViewStateToPbk2ViewStateLC

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

//

EXPORT_C CPbk2ViewState*

        CPbk2ViewStateTransformer::TransformLegacyViewStateToPbk2ViewStateLC

            ( const TDesC8& aCustomMessage )

    {

    // Function converts a Phonebook 1 view state

    // into Phonebook 2 view state

    CPbk2ViewState* pbk2ViewState = CPbk2ViewState::NewLC();

    // Check does the migration support implementation exist:

    RImplInfoPtrArray implementations;

    CleanupStack::PushL( TCleanupItem

        ( CleanupResetAndDestroy, &implementations ) );

    REComSession::ListImplementationsL(

            TUid::Uid( KPbk2MigrationSupportInterfaceUID ),

            implementations );

    CPbk2MigrationInterface* migrationSupport = NULL;

    if (implementations.Count() > 0)

        {

        // There should be only one implementation for migration

        // support component and we would like to use that one

        migrationSupport = CPbk2MigrationInterface::NewLC

            ( iContactManager );        

        // Fills pbk2ViewState with data from aCustomMessage

        migrationSupport->ConvertViewStateL

            ( aCustomMessage, *pbk2ViewState );

        // Destroy migration support instance

        CleanupStack::PopAndDestroy(); //migrationSupport

        }

    CleanupStack::PopAndDestroy(); // implementations

    return pbk2ViewState;

    }

// End of File