/*

* Copyright (c) 2002-2007 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:  Virtual Phonebook link packing interface for packing 

*                link internals.

*

*/

#ifndef MVPBKCONTACTLINKPACKING_H

#define MVPBKCONTACTLINKPACKING_H

// INCLUDES

#include <e32cmn.h>

#include <e32std.h>

// FORWARD DECLARATIONS

class RWriteStream;

// CLASS DECLARATIONS

/**

 * An interface Contact link packing.

 * This interface can be used to pack a contact link to a stream.

 */

class MVPbkContactLinkPacking

    {

    public: // destructor

        /**

         * Destructor.

         */

        virtual ~MVPbkContactLinkPacking() { }

    public: // interface

        /**

         * Returns the packed size of internals (excluding the store URI) of 

         * this link.

         * @return Packed size of internals (excluding the store URI) of 

         *         this link.

         */

        virtual TInt InternalPackedSize() const =0;

        /**

         * Appends the packed internals (excluding the URI) of this link.

         * @param aStream   Stream to append to this link.

         */

        virtual void PackInternalsL(RWriteStream& aStream) const =0;

        /**

         * Returns an extension point for this interface or NULL.

         * @param aExtensionUid Uid of extension.

         * @return Extension point or NULL.

         */

        virtual TAny* ContactLinkPackingExtension(

                TUid /*aExtensionUid*/) { return NULL; }

    };

#endif // MVPBKCONTACTLINKPACKING_H

// End of File