/*

* Copyright (c) 2006-2009 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 HWRMLLIGHTSTIMEOUTOBSERVER_H

#define HWRMLLIGHTSTIMEOUTOBSERVER_H

//  INCLUDES

#include <e32base.h>

#include <centralrepository.h>

#include "cenrepobserver.h"

// CONSTANTS

// None

// MACROS

// None

// DATA TYPES

// None

// FUNCTION PROTOTYPES

// None

// FORWARD DECLARATIONS

// None

// CLASS DECLARATION

/**

* Callback interface for lights timeout change passing.

*/

class MHWRMLightsTimeoutObserver

    {

    public:

        /**

        * Notifies lights timeout changes in cenrep

        *

        * @param aTimeout the new timeout value

        */

        virtual void LightsTimeoutChange(TInt aTimeout)=0;

    };

/**

*  This class observes lights timeout cenrep key in lights settings

*

*/

class CHWRMLightsTimeoutObserver : public CBase,

                                   public MCenRepObserver

    {

    public: // Constructors and Destructor

        /**

        * Two-phased constructor.

        */

        IMPORT_C static CHWRMLightsTimeoutObserver* NewL(MHWRMLightsTimeoutObserver*  aCallback);

        /**

        * Destructor.

        */

        IMPORT_C virtual ~CHWRMLightsTimeoutObserver();

    public: // New functions

    public: // Functions from base classes

        // From MCenRepObserver

        void HandleNotifyInt(TUint32 aId, TInt aNewValue);

        void HandleNotifyError(TUint32 aId, TInt error, CCenRepListener* aHandler);

    private:

        /**

        * C++ default constructor.

        */

        CHWRMLightsTimeoutObserver();

        /**

        * By default Symbian 2nd phase constructor is private.

        */

        void ConstructL(MHWRMLightsTimeoutObserver*  aCallback);        

    private:

        CRepository*                 iRepository;          // Cenrep client

        CCenRepListener*        iNotifyHandler;       // Cenrep notifyhandler

        MHWRMLightsTimeoutObserver*  iCallback;            // Callback object for passing value changes. Not owned

    };

#endif  // HWRMLLIGHTSTIMEOUTOBSERVER_H

// End of File