1 /*

     2 * Copyright (c) 2005 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:    Active class to reteive the coordiantes for current location

    15  *

    16 */

    17 

    18 

    19 #ifndef __LOCATIONACQUISITION_H__

    20 #define __LOCATIONACQUISITION_H__

    21 

    22 // INCLUDES

    23 #include "calencurrentlocationobserver.h"

    24 #include <lbs.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class RPositionServer;

    28 class RPositioner;

    29 class TPosition;

    30 class TPositionInfo;

    31 

    32 // CLASS DECLARATION

    33 /**

    34  * The asynchronous operation handler class to retrieve the current location

    35  */

    36 class CCalenCurrentLocationAcquisition : public CActive

    37     {

    38     public:

    39     	

    40     	/**

    41          * Symbian 1st phase construction

    42          * @param aObserver Reference of the observer that requests for current location

    43          */

    44     	static CCalenCurrentLocationAcquisition* NewL( MCalenCurrentLocationObserver& aObserver );

    45     	

    46     	/**

    47          * C++ constructor

    48          * @param aObserver Observer to callback once user selects the location

    49          */

    50         CCalenCurrentLocationAcquisition( MCalenCurrentLocationObserver& aObserver );

    51        

    52         /**

    53          * Destructor

    54          */

    55         ~CCalenCurrentLocationAcquisition();

    56 

    57         // CActive-related methods

    58         /**

    59         * RunL method to handle the user selection

    60         */

    61         void RunL();

    62         

    63         /**

    64         * Cancel method to handle the user selection

    65         */

    66         void DoCancel();

    67         

    68         /**

    69         * Function to handle any errors in async request

    70         * @param aError   Error Code

    71         */

    72         TInt RunError( TInt aError );

    73 

    74         /**

    75         * Requests for current location asynchronously

    76         */

    77         void RequestL();

    78         

    79         /**

    80         * Cancels the ongoing request

    81         */

    82         void CancelRequest();

    83         

    84         /**

    85         * Function to return current position details

    86         */

    87         TPosition& CurrentPosition();

    88         

    89 	private:

    90 		

    91 		 /**

    92          * Symbian 2nd phase constructor

    93          */

    94 		 void ConstructL();

    95 		 

    96     private:

    97         MCalenCurrentLocationObserver&   iObserver;

    98   

    99         RPositionServer iServer;

   100         

   101         RPositioner iPositioner;

   102 

   103         TPositionInfo iPositionInfo; 

   104          

   105         TPosition iPosition;

   106     };

   107 #endif /* __LOCATIONACQUISITION_H__ */