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 #include <wlanmgmtclient.h>

    30 

    31 //forward declaration

    32 class TWsfAiController;

    33 

    34 /**

    35 * Database observer class.

    36 */

    37 NONSHARABLE_CLASS( CWsfDbObserver ) : public CActive

    38     {

    39     public:

    40         /**

    41         * The Constructor.

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

    43         */

    44     	CWsfDbObserver(  );

    45         

    46         /**

    47         * First phase of two phased construction.

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

    49         */

    50         static CWsfDbObserver* NewL(  );

    51         

    52         /**

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

    54         */

    55         void ActivateItL();

    56         

    57         /**

    58         * Destructor.

    59         */

    60         virtual ~CWsfDbObserver();

    61         

    62         /**

    63          * Set the controller

    64          */

    65         void SetController( TWsfAiController* aController );

    66         	

    67         /**

    68          * Set WLAN availablity to scanning

    69          */

    70         void EnableScanL();

    71         

    72         /*

    73          * Set WLAN availablity to not scanning

    74          */

    75         void DisableScanL();

    76           

    77     protected:

    78         /**

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

    80         * is called. Handle of the active object.

    81         */

    82         void RunL();

    83         

    84         /**

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

    86         * is called.

    87         */

    88         void DoCancel();

    89  

    90     private:

    91         /**

    92         * Second phase of two phase construction.

    93         */

    94         void ConstructL();

    95         

    96         /*

    97          * Get default scanning interval 

    98          */

    99         TInt DefaultScanIntervalL();

   100 

   101     private:  

   102         /**

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

   104         * state.

   105         */ 

   106         //CWlanPluginWlanState * iWlanState;

   107         

   108         /**

   109         * A CommsDat session fod database access.

   110         */

   111         CMDBSession* iSession;

   112         

   113         /**

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

   115         */

   116         CCDWlanDeviceSettingsRecord* iRecord;

   117         

   118         /**

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

   120         */

   121         TBool iOuterScanState;

   122         

   123         /**

   124          * Reference to the controller class of the module.

   125          */

   126         TWsfAiController* iController;

   127         

   128         /**

   129         * Handle to the WLAN management client (owned)

   130         */

   131         CWlanMgmtClient* iWlanMgmtClient;

   132     

   133     };

   134     

   135     

   136 #endif //C_WLAN_PLUGIN_DB_OBSERVER