1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __CBACKUPRESTORENOTIFICATION_H__

    17 #define __CBACKUPRESTORENOTIFICATION_H__

    18 

    19 // System includes

    20 #include <e32base.h>

    21 #include <s32file.h>

    22 

    23 #include <e32property.h>

    24 #include <connect/sbdefs.h>

    25 

    26 // User includes

    27 #include "MBackupRestoreNotificationObserver.h"

    28 

    29 /**	

    30 	The CBackupRestoreNotification

    31 	A "wrapper" class around the Backup & Restore notification mechanisms

    32 	Configured to use Publish & Subscribe Flag

    33 

    34 	@internalTechnology

    35 	@released

    36 */

    37 

    38 class CBackupRestoreNotification : 

    39 	public CActive

    40 	{

    41 

    42 public:

    43 	IMPORT_C static CBackupRestoreNotification* NewL(const TDesC& aFilename, 

    44 											MBackupRestoreNotificationObserver& aCallback);

    45 	IMPORT_C ~CBackupRestoreNotification();

    46 	IMPORT_C TBool BackupInProgress() const;

    47 	IMPORT_C TBool RestoreInProgress() const;

    48 

    49 private:

    50 	CBackupRestoreNotification(MBackupRestoreNotificationObserver& aCallback);

    51 	void ConstructL(const TDesC& aFilename);

    52 

    53 	void ReceivedNotificationL(TInt aNewState);

    54 	void ProcessInitialStateL(TInt aNewState);

    55 	void DoCancel();

    56 	void RunL();

    57 	TInt RunError(TInt aError);

    58 

    59 private:

    60 

    61 	/**

    62 	 * Publish & Subscribe object used to tell when a Backup/Restore event has occured.

    63 	 */

    64 	RProperty	iBackupNotification;

    65 

    66 	/**

    67 	 * Current state of Backup Restore. This stores the flags value when they change.

    68 	 * and can be checked the next time they change.

    69 	 */

    70 	TInt iCurrentState;

    71 

    72 	/**

    73 	 * Means by which an object can be notified of an operation.

    74 	 */

    75 	MBackupRestoreNotificationObserver&	iObserver;

    76 		

    77 	};

    78 

    79 #endif // __CBACKUPRESTORENOTIFICATION_H__