1 /*

     2 * Copyright (c) 2008 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:  Handles position request from LocationListener

    15  *

    16 */

    17 

    18 

    19 #ifndef CTRACKINGPOSITIONER_H

    20 #define CTRACKINGPOSITIONER_H

    21 

    22 //  INCLUDES

    23 #include "cpositionerbase.h"

    24 #include "locationfunctionserver.h"

    25 #include <jni.h>

    26 

    27 namespace java

    28 {

    29 namespace location

    30 {

    31 

    32 //  FORWARD DECLARATIONS

    33 class CTimeoutTimer;

    34 

    35 // CLASS DECLARATION

    36 

    37 /**

    38  *  Handles position requests with LocationListener.

    39  */

    40 class CTrackingPositioner: public CPositionerBase

    41 {

    42 public:

    43     // Constructors and destructor

    44 

    45     /**

    46      * Two-phased constructor.

    47      */

    48     static CTrackingPositioner* NewL(LocationFunctionServer* aFunctionSource,

    49                                      RPositionServer& aServer, TPositionModuleId aModuleId,

    50                                      TPositionModuleInfo::TCapabilities aCapabilities);

    51 

    52     /**

    53      * Destructor.

    54      */

    55     ~CTrackingPositioner();

    56 

    57 public:

    58     // New functions

    59 

    60     TInt StartTracking(TInt aInterval, TInt aTimeout, TInt aMaxAge);

    61 

    62     void StopTracking();

    63 

    64     void SetDefaultValues(const TTimeIntervalMicroSeconds& aTimeToFix,

    65                           TBool aNetworkbased);

    66 

    67 protected:

    68     // Functions from base classes

    69 

    70     /**

    71      * From CActive

    72      */

    73     void RunL();

    74 

    75     /**

    76      * From CActive

    77      */

    78     void DoCancel();

    79 

    80     /**

    81      * From CActive

    82      */

    83     TInt RunError(TInt aError);

    84 

    85 private:

    86 

    87     /**

    88      * C++ default constructor.

    89      */

    90     CTrackingPositioner(LocationFunctionServer* aFunctionSource);

    91 

    92     /**

    93      * Symbian 2nd phase constructor.

    94      */

    95     void ConstructL(RPositionServer& aServer, TPositionModuleId aModuleId,

    96                     TPositionModuleInfo::TCapabilities aCapabilities);

    97 

    98     // Prohibit copy constructor if not deriving from CBase.

    99     // ?classname( const ?classname& );

   100     // Prohibit assigment operator if not deriving from CBase.

   101     // ?classname& operator=( const ?classname& );

   102 

   103 private:

   104     void CallBack();

   105     static TInt StaticCallBack(TAny* aTrackingPositioner);

   106 

   107 public:

   108     // JNI Environment Data

   109     JNIEnv* mJni;

   110     jobject mPeer;

   111 

   112     // Location Updated Callback JNI Method ID

   113     jmethodID mLocationUpdatedMethod;

   114 

   115 private:

   116     // Data

   117 

   118     CTimeoutTimer* iTimer;

   119     TBool iNetworkBased;

   120     TInt64 iTimeToFix;

   121     TInt64 iInterval;

   122     TInt64 iTimeout;

   123 };

   124 

   125 }

   126 }

   127 

   128 #endif // CTRACKINGPOSITIONER_H

   129 // End of File