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 BTGPSNOKGPSDETECTOR_H

    22 #define BTGPSNOKGPSDETECTOR_H

    23 

    24 //  INCLUDES

    25 

    26 #include <e32base.h> 

    27 #include "BTGPSMessageListener.h"

    28 

    29 // CONSTANTS

    30 

    31 // MACROS

    32 

    33 // DATA TYPES

    34 

    35 // FUNCTION  PROTOTYPES

    36 

    37 // FORWARD DECLARATIONS

    38 class CBTGPSConnectManager;

    39 class CBTGPSDeviceManager;

    40 

    41 // CLASS DECLARATION

    42 

    43 /**

    44 *  This class defines a object that detect if the connect BT device support

    45 *  Nokia proprietary sentence by sending PNok message. If the device replies 

    46 *  the questing correctly, then the device is considered to be BT GPS device 

    47 *  that support Nokia proprietary feature.

    48 *

    49 */

    50 class CBTGPSNokGpsDetector: public CBase, private MBTGPSMessageListener

    51     {

    52     public: 

    53 

    54         /**

    55         * Two-phase construction.

    56 		* @param aConnectManager Reference to connect manager.

    57 		* @param aDeviceManager Reference to device manager

    58         */

    59         static CBTGPSNokGpsDetector * NewL(

    60             CBTGPSConnectManager& aConnectManager,

    61             CBTGPSDeviceManager& aDeviceManager);

    62 

    63         /**

    64         * Destructor

    65         */

    66         virtual ~CBTGPSNokGpsDetector();

    67         

    68         /**

    69         * Detect

    70         */

    71         TInt Detect();

    72         

    73         /**

    74         * Cancel detecting

    75         */

    76         void Cancel();

    77 

    78     private:

    79         /**

    80         * From MBTGPSMessageListener

    81         */

    82         virtual void HandleMessage(const TBTGPSNmeaParser& aParser);

    83 

    84     private:

    85 

    86         /**

    87         * Second phase of the construction

    88         */

    89         void ConstructL();

    90 

    91         /**

    92         * Private constructor

    93         */

    94         CBTGPSNokGpsDetector(

    95             CBTGPSConnectManager& aConnectManager,

    96             CBTGPSDeviceManager& aDeviceManager);

    97             

    98         /**

    99         * Timer callback

   100         */

   101         void TimerTick();

   102         

   103         /**

   104         * Start detecting

   105         */

   106         void DetectL();

   107         

   108         /**

   109         * Static timer callback

   110         */

   111         static TInt TimerCallBack(TAny* aAny);

   112 

   113     private:

   114         //Connect Manager

   115         CBTGPSConnectManager& iConnectManager;

   116 

   117         //Device manager

   118         CBTGPSDeviceManager& iDeviceManager;

   119         

   120         //Timer

   121         CPeriodic* iTimer;

   122         

   123         //Number of valide nmea messages received

   124         TInt iValidNmeaMsg;

   125         

   126         //Number of PNOK polling message sent

   127         TInt iNumPnokPolling;

   128         

   129         //Switch to NMEA mode count

   130         TInt iSwitchCount;

   131 

   132     };

   133 #endif

   134 // End of File

   135