// 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 the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

// which accompanies this distribution, and is available

// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

//

// Initial Contributors:

// Nokia Corporation - initial contribution.

//

// Contributors:

//

// Description:

//

#ifndef __MCONTACTBACKUPOBSERVER_H__

#define __MCONTACTBACKUPOBSERVER_H__

class MContactBackupObserver

/**	

	An observer class to which Contacts model clients should 

	subscribe in order to be informed about the progress of 

	a backup or restore operation.

	@publishedAll

	@released

*/

	{

public:

/**	

	Provides notification that a backup operation is to begin.

	The Contacts model client should not access the contacts database for 

	writing until BackupRestoreCompletedL() is called.

*/

	virtual void BackupBeginningL()	= 0;

/**	

	Provides notification that a restore operation is to begin.

	The Contacts model client should not access the contacts database at all 

	until BackupRestoreCompletedL() is called.

*/

	virtual void RestoreBeginningL() = 0;

/**	

	Provides notification that a backup/restore operation is complete.

	The contacts database can be accessed again.

*/

	virtual void BackupRestoreCompletedL() = 0;

	};

#endif // __MCONTACTBACKUPOBSERVER_H__