1 /*

     2 * Copyright (c) 2006 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:  Property handler

    15 *

    16 */

    17 

    18 

    19 #ifndef CSENSRVPROPERTYHANDLER_H

    20 #define CSENSRVPROPERTYHANDLER_H

    21 

    22 

    23 #include <e32base.h>

    24 #include "sensrvclient.h"

    25 #include "sensrvchannelinfo.h"

    26 

    27 class MSensrvPropertyHandlerObserver;

    28 

    29 /**

    30  *  Property handler class

    31  *

    32  *  @lib SensorClient.lib

    33  *  @since S60 5.0

    34  */

    35 NONSHARABLE_CLASS( CSensrvPropertyHandler ) : public CActive

    36     {

    37     public:

    38 

    39         static CSensrvPropertyHandler* NewL( RSensrvClient& aSensrvClient, const TSensrvChannelInfo& aChannelInfo );

    40 

    41         static CSensrvPropertyHandler* NewLC( RSensrvClient& aSensrvClient, const TSensrvChannelInfo& aChannelInfo );

    42 

    43         /**

    44         * Destructor

    45         */

    46         virtual ~CSensrvPropertyHandler();        

    47     

    48     public:

    49     

    50         /**

    51         * Start property listening. Send request to server.

    52         * 

    53         * @since S60 5.0

    54         * @param aPropertyListener Property listener for channel.

    55         */

    56         void StartListening( MSensrvPropertyHandlerObserver* aPropertyObserver );

    57         

    58     protected: // From CActive

    59 

    60           void DoCancel();

    61           void RunL();

    62           TInt RunError(TInt aError);

    63 

    64     private:

    65 

    66         /**

    67         * Constructor

    68         */

    69         CSensrvPropertyHandler( RSensrvClient& aSensrvClient,  const TSensrvChannelInfo& aChannelInfo  );

    70 

    71         /**

    72         * Create and send request to server

    73         */

    74         void CreateAndSendRequest();

    75 

    76 

    77     private: // data

    78         

    79         /**

    80         * Client

    81         */

    82         RSensrvClient& iSensrvClient;

    83         

    84         /**

    85         * The channel information

    86         */

    87         TSensrvChannelInfo iChannelInfo;

    88         

    89          /**

    90          * Property listener

    91          * Not own.         

    92          */

    93         MSensrvPropertyHandlerObserver* iPropertyObserver;       

    94        

    95         /**

    96         * Server writes changed property data here.

    97         */

    98         TPropertyPckgBuf iPropertyPckgBuf;

    99         

   100         /**

   101         * Error count

   102         */

   103         TInt iErrorCount;

   104     };

   105     

   106 #endif // CSENSRVPROPERTYHANDLER_H