/*

* Copyright (c) 2005 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:  Provides an observer interface for backup and restore listener

*

*/

#ifndef M_LBTSBACKUPRESTOREOBSERVER_H

#define M_LBTSBACKUPRESTOREOBSERVER_H

/**

 * System state starter listener provides this to notify

 * when system state is ready for server loading

 *

 * @since S60 v4.0

 */

class MLbtBackupRestoreObserver

	{

	public:

		// Enumeration to determine if a backp or restore operation

		// has started or ended		

		enum TBRState

			{

			EStarted, // Backup or Restore operation has started

			EEnded,	// Backup or Restore operation has ended

			EInProgress // Backup or Restore operation is in progress

			};

		/**

		 * Notifies the observer when any backup operation

		 * is going on

		 *

		 * @param[in] aState the state to which the backup or restore

		 * operation has changed to

		 */

		virtual void HandleBackupRestoreOperationL( TBRState aState ) = 0;

	};

#endif //M_LBTSBACKUPRESTOREOBSERVER_H