// Copyright (c) 2004-2009 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:

//

#ifndef __CBACKUPRESTORENOTIFICATION_H__

#define __CBACKUPRESTORENOTIFICATION_H__

// System includes

#include <e32base.h>

#include <s32file.h>

#include <e32property.h>

#include <connect/sbdefs.h>

// User includes

#include "MBackupRestoreNotificationObserver.h"

/**	

	The CBackupRestoreNotification

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

	Configured to use Publish & Subscribe Flag

	@internalTechnology

	@released

*/

class CBackupRestoreNotification : 

	public CActive

	{

public:

	IMPORT_C static CBackupRestoreNotification* NewL(const TDesC& aFilename, 

											MBackupRestoreNotificationObserver& aCallback);

	IMPORT_C ~CBackupRestoreNotification();

	IMPORT_C TBool BackupInProgress() const;

	IMPORT_C TBool RestoreInProgress() const;

private:

	CBackupRestoreNotification(MBackupRestoreNotificationObserver& aCallback);

	void ConstructL(const TDesC& aFilename);

	void ReceivedNotificationL(TInt aNewState);

	void ProcessInitialStateL(TInt aNewState);

	void DoCancel();

	void RunL();

	TInt RunError(TInt aError);

private:

	/**

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

	 */

	RProperty	iBackupNotification;

	/**

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

	 * and can be checked the next time they change.

	 */

	TInt iCurrentState;

	/**

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

	 */

	MBackupRestoreNotificationObserver&	iObserver;

	};

#endif // __CBACKUPRESTORENOTIFICATION_H__