diff -r 63be7eb3fc78 -r f28ada11abbf wlanutilities/wlansniffer/engine/server/inc/wsfengineobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/engine/server/inc/wsfengineobserver.h	Wed Sep 01 12:20:32 2010 +0100
@@ -0,0 +1,86 @@
+/*
+* Copyright (c) 2007-2008 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  Class header for MWsfEngineObserver
+*
+*/
+
+
+
+#ifndef M_WSFENGINEOBSERVER_H
+#define M_WSFENGINEOBSERVER_H
+
+//  EXTERNAL INCLUDES
+#include <e32def.h>
+
+
+//  CLASS DEFINITION
+/*
+* Class acts as an interface for the CWsfEngine to be able to call back 
+* its clients in case of different events.
+*
+* @since S60 5.0
+*/
+class MWsfEngineObserver
+    {
+    public:     // Abstract methods
+    
+        /**
+        * Called when the WLAN scanning is finished and results are available
+        * @since S60 5.0
+        */
+        virtual void WlanListChangedL() = 0;
+
+        /**
+        * Called when an error occured in the engine
+        * @since S60 5.0
+        * @param aError System wide error code
+        */
+        virtual void NotifyErrorL( TInt aError ) = 0;
+
+        /**
+        * Called when the WLAN scanning has been enabled
+        * @since S60 5.0
+        */
+        virtual void ScanEnabledL() = 0;
+        
+        /**
+        * Called when the WLAN scanning has been disabled
+        * @since S60 5.0
+        */
+        virtual void ScanDisabledL() = 0;
+        
+        /**
+        * Called when a WLAN connection has been established
+        * @since S60 5.0
+        */
+        virtual void ConnectedL() = 0;
+        
+        /**
+        * Called when the active WLAN connection has been terminated
+        * @since S60 5.0
+        */
+        virtual void DisconnectedL() = 0;
+        
+        /**
+        * Called when an error occured during the connecting process
+        * @since S60 5.0
+        * @param aError System wide error code
+        */
+        virtual void ConnectingFailedL( TInt aError ) = 0;
+
+    };
+
+#endif      //  M_WSFENGINEOBSERVER_H
+
+// End of file