/*

* Copyright (c) 2006 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:  Provides Update Measurement Settings Value from Central

*                repository

*

*/

#ifndef CBLIDMEASUREMENTSETTINGLISTENER_H

#define CBLIDMEASUREMENTSETTINGLISTENER_H

//  System Includes

#include <e32base.h>

// User Includes

#include "MBlidMeasurementSettings.h"

// Forward Declarations

class CRepository;

// Constant Declarations

// Class Definition

/**

 * Listener for getting the System of Measurement settings

 */

NONSHARABLE_CLASS( CBlidMeasurementSettingListener ) : public CActive

	{

	public:

		/**

         * Creates new System of Measurement Listener

         *

         * @param  aListenerObsrv                   Observer to the Settings Listener

		 * @return CBlidMeasurementSettingListener*	Pointer to the CBlidSettings

         */                                                 

        static CBlidMeasurementSettingListener* NewL( 

                            MBlidMeasurementSettings&	aListenerObsrv );

		/**

         * Creates new System of Measurement Listener

         * Leaves the object on the Clean up stack         

         *

         * @param  aListenerObsrv			            Observer to the Settings adapter

		 * @return CBlidMeasurementSettingListener*	    Pointer to the CBlidSettings

         */                                                 

        static CBlidMeasurementSettingListener* NewLC( 

                            MBlidMeasurementSettings&	aListenerObsrv );	

		/**

		 * Destructor

		 */

		~CBlidMeasurementSettingListener ();

		/**

		 * Returns the current value of the System of measurements settings

		 *

		 * @return TReal32  Current value of the System of measurements settings

		 */

		TReal32 SysofMeasurementL();

    protected:

        /**

         * Inherited from CActive

         */

        void RunL();

        /**

         * Inherited from CActive

         */

        void DoCancel();

	private:

		/**

 		 * Constructor

		 */

		CBlidMeasurementSettingListener( MBlidMeasurementSettings&	aListenerObsrv );

		/**

		 * Second Phase Constructor

		 */

		void ConstructL();

		/**

		 * Start notification from the Central repository server for any changes in the

		 * System of measurements key value

		 */

		void StartNotification();

	private:

	    /**

	     * Reference to the Settings observer

	     */

		MBlidMeasurementSettings&     iObserver;

		/**

		 * Reference to the Central repository object

		 *

		 * Owns

		 */

		CRepository*                    iRepository; 		

	};			

#endif //CBLIDMEASUREMENTSETTINGLISTENER_H