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:  Class declaration of Psy change handler

    15 *

    16 */

    17 

    18 

    19 #ifndef C_LBTPSYCHANGELISTNER_H

    20 #define C_LBTPSYCHANGELISTNER_H

    21 

    22 #include <e32base.h>

    23 #include <lbs.h>

    24 

    25 

    26 class MLbtPsyChangeObserver;

    27 

    28 /**

    29  *  This class listens to PSY change

    30  *  

    31  *  CLbtPsyChangeHandler registers for notification change in PSY

    32  *

    33  *  @since S60 v5.1

    34  */

    35 class CLbtPsyChangeListner : public CActive

    36     {

    37 public:

    38     /**

    39      * Factory function that instantiates an object of CLbtPsyChangeListner

    40      */

    41     static CLbtPsyChangeListner* NewL( MLbtPsyChangeObserver& aObserver );

    42     

    43     /**

    44      * Destructor.

    45      */

    46     virtual ~CLbtPsyChangeListner();

    47 

    48     /**

    49      * Starts listening to PSY change

    50      */

    51     void StartToListen( TPositionModuleId aPosID );

    52 

    53          

    54 protected: // From CActive

    55     void RunL();

    56     void DoCancel();

    57 

    58 private: 

    59     /**

    60      * Default constructor

    61      */

    62     CLbtPsyChangeListner( MLbtPsyChangeObserver& aObserver );

    63     

    64     /**

    65      * Symbian 2nd phase constructor

    66      */

    67     void ConstructL(); 

    68 

    69 private://Data

    70 

    71     /**

    72      * Session to RPositionServer

    73      */

    74     RPositionServer iPosServer; 

    75     

    76     /**

    77      * PSY change observer

    78      */

    79     MLbtPsyChangeObserver& iObserver;

    80     

    81     /**

    82      * Module Id of the PSY for which change notification

    83      * is requested

    84      */

    85     TPositionModuleId iPosID;

    86     

    87     /**

    88      *

    89      */

    90     TPositionModuleStatusEvent iModuleStatusEvent;

    91     };

    92 

    93 

    94 #endif // C_LBTPSYCHANGELISTNER_H