/*

* Copyright (c) 2004 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:   Defines class MNcnMsvSessionHandlerObserver.

*

*/

#ifndef NCNMSVSESSIONHANDLEROBSERVER_H

#define NCNMSVSESSIONHANDLEROBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <msvstd.h>

// FORWARD DECLARATIONS

class CMsvSession;

// CLASS DECLARATION

/**

 * Observer interface for Msv session handling.

 */

class MNcnMsvSessionHandlerObserver

    {

    public:

        /**

         * Notifies that Msv session is ready to use.

         * @param aMsvSession The Msv session.

         */

        virtual void HandleMsvSessionReadyL( CMsvSession& aMsvSession );

        /**

         * Notifies that Msv session is closed.

         */

        virtual void HandleMsvSessionClosedL();

        /**

         * Notifies that an entry has been created.

         * @apram aMsvId Id of the created entry.

         */

        virtual void HandleMsvEntryCreatedL( const TMsvId& aMsvId );

        /**

         * Notifies that an entry has been created.

         * @apram aMsvId Id of the deleted entry.

         */

        virtual void HandleMsvEntryDeletedL( const TMsvId& aMsvId );

         /**

         * Notifies that the Message Server has automatically changed the index 

         * location to use the internal disk.

         * @param aDriveNumber The drive number where the message store moves

         */

         virtual void HandleMsvMediaChangedL( const TDriveNumber& aDriveNumber );

         /**

         * The disk containing the Message Store is Unavailable again.

         * Change the message store to default

         */

         virtual void HandleMsvMediaUnavailableL();

		/** 

		* The disk containing the Message Store is available again.

		* The Message Server can now operate as normal

		* @param aDriveNumber is a TDriveNumber value that identifies the drive that is being used.

		*/

        virtual void HandleMsvMediaAvailableL( const TDriveNumber& aDriveNumber );

    };

#endif    // NCNMSVSESSIONHANDLEROBSERVER_H

// End of File