/*

* 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.

*

*/

#ifndef CPBK2VIEWSTATETRANSFORMER_H

#define CPBK2VIEWSTATETRANSFORMER_H

// INCLUDES

#include <e32base.h>

// FORWARD DECLARATIONS

class CVPbkContactManager;

class CPbk2ViewState;

// CLASS DECLARATION

/**

 * Phonebook 2 view state transformer.

 * Converts a legacy Phonebook view state to the new format.

 */

class CPbk2ViewStateTransformer : public CBase

    {

    public: // Construction and destruction

        /**

         * Creates a new instance of this class.

         *

         * @param aContactManager   Virtual Phonebook contact manager.

         * @return  A new instance of this class.

         */

        IMPORT_C static CPbk2ViewStateTransformer* NewLC(

                CVPbkContactManager& aContactManager );

        /**

         * Destructor.

         */

        ~CPbk2ViewStateTransformer();

    public: // Interface

        /**

         * Converts legacy Phonebook view state to the new v2 format.

         *

         * @param aCustomMessage    Custom message containing the legacy

         *                          view state.

         * @return  Converted view state in Phonebook 2 format.

         */

        IMPORT_C CPbk2ViewState* TransformLegacyViewStateToPbk2ViewStateLC(

                const TDesC8& aCustomMessage );

    private: // Implementation

        CPbk2ViewStateTransformer(

                CVPbkContactManager& aContactManager );

    private: // Data

        /// Ref: Virtual Phonebook contact manager

        CVPbkContactManager& iContactManager;

    };

#endif // CPBK2VIEWSTATETRANSFORMER_H

// End of File