/*

* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#ifndef WLANOBSERVER_H

#define WLANOBSERVER_H

// INCLUDES

#include <e32base.h>

#include <e32property.h>

// FORWARD DECLARATIONS

class MApiProvider;

// CONSTANTS

// State enum and member variable

// CLASS DECLARATIONS

/**

*  CWlanObserver.

*  Observer class for handling wlan status requests

*  @since S60 v5.0

*/

class CWlanObserver : public CActive

    {

    public:    // Constructors and destructor

        /**

        * Constructor.

        * @param aApiProvider Reference to API provider

        */

        CWlanObserver(MApiProvider& aApiProvider);

        /**

         * Destructor.

         */

        virtual ~CWlanObserver();

        /**

        * Retrieves current state of wireless lan connection

        * @param aWlanStateValue reference to current Wlan state value which is updated here

        * @return: EFalse if error condition (ignore aWlanStateValue in this case)

        *          Etrue if no error (get updated value from aWlanStateValue)

        */

        TBool GetCurrentState(TInt &aWlanStateValue);        

    protected:    // CActive

        /**

        * Implements cancellation of an outstanding request.

        * @param none

        * @return void

        */

        void DoCancel();

        /**

        * Handles an active object’s request completion event.

        * @param none

        * @return void

        */

        void RunL();

        /**

        * Handles an active object’s error

        * @param error

        * @return void

        */

        TInt RunError(TInt aError);

    private:    // new methods

        MApiProvider& iApiProvider;         // Api provider

        RProperty iWlanProperty;

    };

#endif      // WLANOBSERVER_H

// End of File