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 BTGPSPOWERMANAGER_H

    22 #define BTGPSPOWERMANAGER_H

    23 

    24 //  INCLUDES

    25 

    26 #include <e32base.h>

    27 #include "BTGPSPsyConnectionListener.h"

    28 #include "BTGPSDeviceListener.h"

    29 

    30 // CONSTANTS

    31 

    32 // MACROS

    33 

    34 // DATA TYPES

    35 

    36 // FUNCTION PROTOTYPES

    37 

    38 // FORWARD DECLARATIONS

    39 class CBTGPSConnectManager;

    40 class CBTGPSPsyConnectionManager;

    41 class CBTGPSDeviceManager;

    42 class CBTGPSConstantsManager;

    43 

    44 // CLASS DECLARATION

    45 

    46 /**

    47 *  This class manages power related features. It shurts down BT connection

    48 *  when there is not location request received within pre-defined timeout

    49 *  value.

    50 *  

    51 */

    52 class CBTGPSPowerManager: 

    53         public CBase, 

    54         private MBTGPSPsyConnectionListener,

    55         private MBTGPSDeviceListener

    56     {

    57     public: 

    58 

    59         /**

    60         * Two-phase construction.

    61         * @param aConnectManager Reference to connect manager

    62         * @param aPsyConnectionManager Reference to connection manager

    63         * @param aDeviceManager Reference to device manager.

    64         * @param aConstantsManager Reference to contants manager.

    65         */

    66         static CBTGPSPowerManager * NewL(

    67             CBTGPSConnectManager& aConnectManager,

    68             CBTGPSPsyConnectionManager& aPsyConnectionManager,

    69             CBTGPSDeviceManager& aDeviceManager,

    70             CBTGPSConstantsManager& aConstantsManager);

    71 

    72         /**

    73         * Destructor

    74         */

    75         virtual ~CBTGPSPowerManager();

    76 

    77     private:

    78     

    79         /**

    80         * From MBTGPSPsyConnectionListener

    81         */

    82         virtual void HandlePsyConnectionChange();

    83         

    84         /**

    85         * From MBTGPSDeviceListener

    86         */

    87         virtual void BTDeviceStatusChanged(

    88             TInt aConnectStatus, 

    89             TInt aDeviceType,

    90             TInt aErr=KErrNone);

    91         

    92 

    93     private:

    94 

    95         /**

    96         * Second phase of the construction

    97         */

    98         void ConstructL();

    99 

   100         /**

   101         * Private constructor

   102         */

   103         CBTGPSPowerManager(

   104             CBTGPSConnectManager& aConnectManager,

   105             CBTGPSPsyConnectionManager& aPsyConnectionManager,

   106             CBTGPSDeviceManager& aDeviceManager,

   107             CBTGPSConstantsManager& aConstantsManager);

   108         

   109         /**

   110         * Start or cancel timer if necessary.

   111         */

   112         void CheckTimer();    

   113         

   114         /**

   115         * Timer callback function

   116         */

   117         void TimerTick();

   118         

   119         /**

   120         * Static timer callback function

   121         */

   122         static TInt TimerCallback(TAny* aAny);

   123         

   124     private:

   125         //Connect manager

   126         CBTGPSConnectManager& iConnectManager;

   127         

   128         //Psy connection manager

   129         CBTGPSPsyConnectionManager& iPsyConnectionManager;

   130         

   131         //Device manager

   132         CBTGPSDeviceManager& iDeviceManager;

   133         

   134         //Constants manager

   135         CBTGPSConstantsManager& iConstantsManager;

   136         

   137         //Timer

   138         CPeriodic* iTimer;

   139     };

   140 #endif

   141 // End of File

   142