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: 

    15 *     Handles landmark settings events.

    16 *

    17 */

    18 

    19 

    20 #ifndef CPOSLMSERVERSETTINGSHANDLER_H

    21 #define CPOSLMSERVERSETTINGSHANDLER_H

    22 

    23 // INCLUDES

    24 #include <e32base.h>

    25 

    26 // FORWARD DECLARATIONS

    27 class CPosLmServer;

    28 class CPosLmSettingsHandler;

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33  *  Handles landmark settings events.

    34  */

    35 class CPosLmServerSettingsHandler : public CActive

    36     {

    37     public:    // Constructors and destructor

    38 

    39         /**

    40         * Two-phase constructor

    41         * @param aServer The server creating this session.

    42         */

    43         static CPosLmServerSettingsHandler* NewL(

    44         /* IN */        CPosLmServer& aServer

    45         );

    46 

    47         /**

    48         * C++ Destructor

    49         */

    50         ~CPosLmServerSettingsHandler();

    51 

    52     public:     // New functions

    53 

    54         /**

    55         * Starts listening for landmark settings events.

    56         */

    57         TInt StartListening();

    58 

    59     protected:  // Functions from base classes

    60 

    61         /**

    62         * From CActive.

    63         * Active Object event handler.

    64         * Restarts the listening for landmark settings events. Then it

    65         * notifies listening clients that landmark settings have changed.

    66         */

    67         void RunL();

    68 

    69         /**

    70         * From CActive.

    71         * Active Object cancel handler.

    72         */

    73         void DoCancel();

    74 

    75         /**

    76         * From CActive.

    77         * If RunL leaves, all listening clients are notified. Only the call to

    78         * User::LeaveIfError(StartListening()) can leave.

    79         * HandleLandmarkSettingsChangedL does not leave. StartListening returns

    80         * an error code if the settings handler in Internal Services could not

    81         * be started.

    82         *

    83         * @return An error code.

    84         */

    85         TInt RunError(TInt aError);

    86 

    87     private:

    88 

    89         /**

    90         * C++ Constructor

    91         */

    92         CPosLmServerSettingsHandler(

    93         /* IN */        CPosLmServer& aServer

    94         );

    95 

    96         /**

    97         *  By default Symbian 2nd phase constructor is private.

    98         */

    99         void ConstructL();

   100 

   101         void HandleLandmarkSettingsChangedL(

   102         /* IN */        const TDesC& aUri

   103         );

   104 

   105         // By default, prohibit copy constructor

   106         CPosLmServerSettingsHandler(

   107             const CPosLmServerSettingsHandler& );

   108         // Prohibit assigment operator

   109         CPosLmServerSettingsHandler& operator= (

   110             const CPosLmServerSettingsHandler& );

   111 

   112     private:    // Data

   113 

   114         CPosLmSettingsHandler* iSettingsHandler;

   115         CPosLmServer*          iLmServer;

   116 

   117     };

   118 

   119 #endif // CPOSLMSERVERSETTINGSHANDLER_H

   120 

   121 // End of File