/*

* Copyright (c) 2004-2007 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:  

*

*/

#ifndef VPBKCNTMODEL_TCONTACTFIELDDATA_H

#define VPBKCNTMODEL_TCONTACTFIELDDATA_H

// INCLUDES

#include <MVPbkContactFieldData.h>

// FORWARD DECLARATIONS

class CContactItemField;

/// Reserved name for a future extension to TContactFieldData

class TContactFieldDataExt;

// CLASS DECLARATIONS

namespace VPbkCntModel {

/**

 * Data layout class template for Contact Model field data -> 

 * MVPbkContactFieldData mapping.

 *

 * @param FieldData base class for this class. Must derive from 

 *                  MVPbkContactFieldData.

 */

template< class FieldData >

NONSHARABLE_CLASS( TContactFieldDataCommon ): public FieldData

    {

    protected:  // Constructor and destructor

        inline TContactFieldDataCommon();

        inline TContactFieldDataCommon

            (CContactItemField& aCntModelField);

    protected:  // Data

        CContactItemField* iCntModelField;

    };

/**

 * Base class for Contact Model field data -> MVPbkContactFieldData mapping.

 */

NONSHARABLE_CLASS( TContactFieldData ): 

        public TContactFieldDataCommon< MVPbkContactFieldData >

    {

    public:  // Constructor and destructor

        TContactFieldData();

        ~TContactFieldData();

    public:  // New functions

        /**

         * Sets the Contact Model field whose data to map.

         */

        void SetField(CContactItemField& aCntModelField);

        /**

         * Removes field mapping.

         */

        void ResetField();

    private:  // from MVPbkContactFieldData

        /// Private to make static call attempts fail

        TVPbkFieldStorageType DataType() const;

        /// Private to make static call attempts fail

        TBool IsEmpty() const;

        /// Private to make static call attempts fail

        void CopyL(const MVPbkContactFieldData& aFieldData);

    private: // Hidden functions

        /// Hidden copy constructor

        TContactFieldData(const TContactFieldData&);

        /// Hidden assignment operator

        TContactFieldData& operator=(const TContactFieldData&);

    };

// INLINE FUNCTIONS

template< class FieldData >

inline TContactFieldDataCommon<FieldData>::TContactFieldDataCommon() :

    iCntModelField(NULL)

    {

    }

template< class FieldData >

inline TContactFieldDataCommon<FieldData>::TContactFieldDataCommon

        (CContactItemField& aCntModelField) :

    iCntModelField(&aCntModelField)

    {

    }

}  // namespace VPbkCntModel

#endif  // VPBKCNTMODEL_TCONTACTFIELDDATA_H

//End of file