/*+
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* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). +
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* All rights reserved.+
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* This component and the accompanying materials are made available+
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* under the terms of "Eclipse Public License v1.0"+
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* which accompanies this distribution, and is available+
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".+
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*+
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* Initial Contributors:+
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* Nokia Corporation - initial contribution.+
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*+
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* Contributors:+
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*+
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* Description:  Class header for MWsfEngineObserver+
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*+
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*/+
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#ifndef M_WSFENGINEOBSERVER_H+
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#define M_WSFENGINEOBSERVER_H+
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+
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//  EXTERNAL INCLUDES+
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#include <e32def.h>+
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+
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+
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//  CLASS DEFINITION+
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/*+
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* Class acts as an interface for the CWsfEngine to be able to call back +
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* its clients in case of different events.+
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*+
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* @since S60 5.0+
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*/+
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class MWsfEngineObserver+
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    {+
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    public:     // Abstract methods+
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    +
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        /**+
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        * Called when the WLAN scanning is finished and results are available+
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        * @since S60 5.0+
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        */+
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        virtual void WlanListChangedL() = 0;+
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+
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        /**+
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        * Called when an error occured in the engine+
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        * @since S60 5.0+
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        * @param aError System wide error code+
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        */+
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        virtual void NotifyErrorL( TInt aError ) = 0;+
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+
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        /**+
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        * Called when the WLAN scanning has been enabled+
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        * @since S60 5.0+
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        */+
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        virtual void ScanEnabledL() = 0;+
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        +
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        /**+
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        * Called when the WLAN scanning has been disabled+
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        * @since S60 5.0+
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        */+
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        virtual void ScanDisabledL() = 0;+
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        +
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        /**+
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        * Called when a WLAN connection has been established+
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        * @since S60 5.0+
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        */+
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        virtual void ConnectedL() = 0;+
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        +
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        /**+
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        * Called when the active WLAN connection has been terminated+
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        * @since S60 5.0+
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        */+
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        virtual void DisconnectedL() = 0;+
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        +
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        /**+
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        * Called when an error occured during the connecting process+
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        * @since S60 5.0+
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        * @param aError System wide error code+
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        */+
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        virtual void ConnectingFailedL( TInt aError ) = 0;+
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+
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    };+
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+
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#endif      //  M_WSFENGINEOBSERVER_H+
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+
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// End of file+
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