basiclocationinfodisplay/blid/engine/inc/CBlidMeasurementSettingListener.h
branchRCL_3
changeset 17 1fc85118c3ae
parent 16 8173571d354e
child 18 870918037e16
equal deleted inserted replaced
16:8173571d354e 17:1fc85118c3ae
     1 /*
       
     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Provides Update Measurement Settings Value from Central
       
    15 *                repository
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #ifndef CBLIDMEASUREMENTSETTINGLISTENER_H
       
    21 #define CBLIDMEASUREMENTSETTINGLISTENER_H
       
    22 
       
    23 //  System Includes
       
    24 #include <e32base.h>
       
    25 
       
    26 // User Includes
       
    27 #include "MBlidMeasurementSettings.h"
       
    28 
       
    29 // Forward Declarations
       
    30 class CRepository;
       
    31 
       
    32 // Constant Declarations
       
    33 
       
    34 // Class Definition
       
    35 /**
       
    36  * Listener for getting the System of Measurement settings
       
    37  */
       
    38 NONSHARABLE_CLASS( CBlidMeasurementSettingListener ) : public CActive
       
    39 	{
       
    40 	public:
       
    41 		/**
       
    42          * Creates new System of Measurement Listener
       
    43          *
       
    44          * @param  aListenerObsrv                   Observer to the Settings Listener
       
    45 		 * @return CBlidMeasurementSettingListener*	Pointer to the CBlidSettings
       
    46          */                                                 
       
    47         static CBlidMeasurementSettingListener* NewL( 
       
    48                             MBlidMeasurementSettings&	aListenerObsrv );
       
    49 
       
    50 
       
    51 		/**
       
    52          * Creates new System of Measurement Listener
       
    53          * Leaves the object on the Clean up stack         
       
    54          *
       
    55          * @param  aListenerObsrv			            Observer to the Settings adapter
       
    56 		 * @return CBlidMeasurementSettingListener*	    Pointer to the CBlidSettings
       
    57          */                                                 
       
    58         static CBlidMeasurementSettingListener* NewLC( 
       
    59                             MBlidMeasurementSettings&	aListenerObsrv );	
       
    60 
       
    61  
       
    62 		/**
       
    63 		 * Destructor
       
    64 		 */
       
    65 		~CBlidMeasurementSettingListener ();
       
    66 
       
    67 		/**
       
    68 		 * Returns the current value of the System of measurements settings
       
    69 		 *
       
    70 		 * @return TReal32  Current value of the System of measurements settings
       
    71 		 */
       
    72 		TReal32 SysofMeasurementL();
       
    73         
       
    74     protected:
       
    75         /**
       
    76          * Inherited from CActive
       
    77          */
       
    78         void RunL();
       
    79         
       
    80         /**
       
    81          * Inherited from CActive
       
    82          */
       
    83         void DoCancel();
       
    84                 		
       
    85 	private:
       
    86 		/**
       
    87  		 * Constructor
       
    88 		 */
       
    89 		CBlidMeasurementSettingListener( MBlidMeasurementSettings&	aListenerObsrv );
       
    90 
       
    91 		/**
       
    92 		 * Second Phase Constructor
       
    93 		 */
       
    94 		void ConstructL();
       
    95 	
       
    96 		/**
       
    97 		 * Start notification from the Central repository server for any changes in the
       
    98 		 * System of measurements key value
       
    99 		 */
       
   100 		void StartNotification();
       
   101 				
       
   102 	private:
       
   103 	    /**
       
   104 	     * Reference to the Settings observer
       
   105 	     */
       
   106 		MBlidMeasurementSettings&     iObserver;
       
   107 	
       
   108 		/**
       
   109 		 * Reference to the Central repository object
       
   110 		 *
       
   111 		 * Owns
       
   112 		 */
       
   113 		CRepository*                    iRepository; 		
       
   114 	};			
       
   115 
       
   116 
       
   117 #endif //CBLIDMEASUREMENTSETTINGLISTENER_H