1 /*

     2 * Copyright (c) 2007 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 *        Header file for CWlanPluginDbObserver class.

    16 *

    17 */

    18 

    19 

    20 #ifndef C_WLAN_PLUGIN_DB_OBSERVER

    21 #define C_WLAN_PLUGIN_DB_OBSERVER

    22 

    23 // System includes

    24 #include <e32base.h>

    25 #include <wlancontainer.h>

    26 #include <d32dbms.h> 

    27 #include <WlanCdbCols.h>

    28 #include <commsdat.h>

    29 

    30 //forward declaration

    31 class CWlanPluginWlanState;

    32 

    33 /**

    34 * Database observer class.

    35 */

    36 NONSHARABLE_CLASS( CWlanPluginDbObserver ) : public CActive

    37     {

    38     public:

    39         /**

    40         * The Constructor.

    41         * @param aState Pointer to the WLAN State object.

    42         */

    43         CWlanPluginDbObserver( CWlanPluginWlanState* aState );

    44         

    45         /**

    46         * First phase of two phased construction.

    47         * @param aState Pointer to the WLAN State object.

    48         */

    49         static CWlanPluginDbObserver* NewL( CWlanPluginWlanState* aState );

    50         

    51         /**

    52         * This function activates this object as an active object.

    53         */

    54         void ActivateItL();

    55         

    56         /**

    57         * Destructor.

    58         */

    59         virtual ~CWlanPluginDbObserver();

    60           

    61     protected:

    62         /**

    63         * When the WLAN device settings table is accessed this function

    64         * is called. Handle of the active object.

    65         */

    66         void RunL();

    67         

    68         /**

    69         * Whan waiting for a database access is stopped this function

    70         * is called.

    71         */

    72         void DoCancel();

    73  

    74     private:

    75         /**

    76         * Second phase of two phase construction.

    77         */

    78         void ConstructL();

    79 

    80     private:  

    81         /**

    82         * @var Pointer to the WLAN state object to ask and set scanning

    83         * state.

    84         */ 

    85         CWlanPluginWlanState * iWlanState;

    86         

    87         /**

    88         * A CommsDat session fod database access.

    89         */

    90         CMDBSession* iSession;

    91         

    92         /**

    93         * A class representing a recor of WLAN Devive Settings table.

    94         */

    95         CCDWlanDeviceSettingsRecord* iRecord;

    96         

    97         /**

    98         * The value of it shows the scan state of the WLAN availablity

    99         */

   100         TBool iOuterScanState;

   101     

   102     };

   103     

   104     

   105 #endif //C_WLAN_PLUGIN_DB_OBSERVER