1 /*

     2 * Copyright (c) 2005-2009 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:

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef BTGPSENVCHANGEHANDLER_H

    22 #define BTGPSENVCHANGEHANDLER_H

    23 

    24 //  INCLUDES

    25 

    26 #include <e32base.h>

    27 

    28 // CONSTANTS

    29 

    30 // MACROS

    31 

    32 // DATA TYPES

    33 

    34 // FUNCTION PROTOTYPES

    35 

    36 // FORWARD DECLARATIONS

    37 class CBTGPSRequestManager;

    38 class CEnvironmentChangeNotifier;

    39 

    40 // CLASS DECLARATION

    41 

    42 /**

    43 *  Handler for getting system time change event. 

    44 *  

    45 */

    46 class CBTGPSEnvChangeHandler: public CBase

    47     {

    48     public: 

    49 

    50         /**

    51         * Two-phase construction.

    52         * @param aRequestManager Reference to request manager.

    53         */

    54         static CBTGPSEnvChangeHandler * NewL(

    55             CBTGPSRequestManager& aRequestManager);

    56 

    57         /**

    58         * Destructor

    59         */

    60         virtual ~CBTGPSEnvChangeHandler();

    61 

    62     private:

    63 

    64         /**

    65         * Second phase of the construction

    66         */

    67         void ConstructL();

    68 

    69         /**

    70         * Private constructor

    71         */

    72         CBTGPSEnvChangeHandler(

    73             CBTGPSRequestManager& aRequestManager);

    74 

    75         /**

    76         * Callback function for environment change notifier.

    77         */

    78         static TInt NotifierCallBack(TAny* aPtr);

    79 

    80         /**

    81         * This function is called whenever environment change notifier

    82         * reports that something has changed. The only change we are

    83         * interested of is the system time change.

    84         */

    85         void HandleEnvironmentChange();

    86 

    87     private:

    88         //Reference to request manager

    89         CBTGPSRequestManager& iRequestManager;

    90 

    91         //Environment change notifier

    92         CEnvironmentChangeNotifier* iEnvChangeNotifier;

    93 

    94         //Environment change initialized

    95         TBool iEnvChangeNotifierInitialized;

    96     };

    97 #endif

    98 // End of File

    99