/*

 * 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