1 /*

     2 * Copyright (c) 2005 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Provides an observer interface for backup and restore listener

    15 *

    16 */

    17 

    18 

    19 #ifndef M_LBTSBACKUPRESTOREOBSERVER_H

    20 #define M_LBTSBACKUPRESTOREOBSERVER_H

    21 

    22 /**

    23  * System state starter listener provides this to notify

    24  * when system state is ready for server loading

    25  *

    26  * @since S60 v4.0

    27  */

    28 class MLbtBackupRestoreObserver

    29 	{

    30 	public:

    31 		

    32 		// Enumeration to determine if a backp or restore operation

    33 		// has started or ended		

    34 		enum TBRState

    35 			{

    36 			EStarted, // Backup or Restore operation has started

    37 			EEnded,	// Backup or Restore operation has ended

    38 			EInProgress // Backup or Restore operation is in progress

    39 			};

    40 		/**

    41 		 * Notifies the observer when any backup operation

    42 		 * is going on

    43 		 *

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

    45 		 * operation has changed to

    46 		 */

    47 		virtual void HandleBackupRestoreOperationL( TBRState aState ) = 0;

    48 		

    49 	};

    50 	

    51 #endif //M_LBTSBACKUPRESTOREOBSERVER_H