// Copyright (c) 2007-2009 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:

//

/**

 @file

 @internalTechnology 

*/

#ifndef CENREPOBSERVER_H

#define CENREPOBSERVER_H

//listen for changes to CenRep keys in repository

#include <e32base.h>

class CCenRepListener;

class MCenRepObserver

	{

public:

	virtual void HandleNotifyInt( TUint32 aId, TInt aNewValue ) = 0;

	virtual void HandleNotifyError( TUint32 aId, TInt aError, CCenRepListener* aHandler ) = 0;

	};

class CRepository;

NONSHARABLE_CLASS(CCenRepListener) : public CActive

    {

public:

   	static CCenRepListener* NewL(MCenRepObserver& aCallback, CRepository& aSession, TUint32 aId );

   	~CCenRepListener();

   	void StopListening();

   	void StartListeningL();   	

protected:

	CCenRepListener(MCenRepObserver& aCallback, CRepository& aSession, TUint32 aId);

	void RunL();

	void DoCancel();

private:

	MCenRepObserver& iCallback;

	CRepository& iSession;

	TUint32 iId;   	

    };

#endif //CENREPOBSERVER_H