--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wlanutilities/wlansniffer/engine/client/inc/wsfstatechangeobserver.h	Wed Sep 01 12:20:32 2010 +0100
@@ -0,0 +1,89 @@
+/*
+* 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 MWsfStateChangeObserver
+*
+*/
+
+
+
+
+#ifndef M_WSFSTATECHANGEOBSERVER_H
+#define M_WSFSTATECHANGEOBSERVER_H
+
+//  EXTERNAL INCLUDES
+#include <e32std.h>
+
+
+//  CLASS DEFINITION
+/**
+ * Mixin class to handle server events
+ *
+ * MWsfStateChangeObserver provides an interface through which 
+ * the implementing class can receive notifications of different server events
+ * communicated by the client-side event handler.
+ *
+ * @since S60 5.0
+ */
+class MWsfStateChangeObserver
+    {
+    public:
+        /**
+        * The current wlan data has changed and it is ready to be retrieved
+        * @since S60 5.0
+        */
+        virtual void WlanListChangedL() = 0;
+
+        /**
+        * Engine error occured
+        * @since S60 5.0
+        * @param aError System wide error code
+        */
+        virtual void NotifyEngineError( TInt aError ) = 0;
+
+        /**
+        * Scanning has been disabled
+        * @since S60 5.0
+        */
+        virtual void ScanDisabledL() = 0;
+
+        /**
+        * Scanning has been enabled
+        * @since S60 5.0
+        */
+        virtual void ScanEnabledL() = 0;
+        
+        /**
+        * A WLAN connection has been established
+        * @since S60 5.0
+        */
+        virtual void WlanConnectionActivatedL() = 0;
+
+        /**
+        * A WLAN connection has been closed
+        * @since S60 5.0
+        */
+        virtual void WlanConnectionClosedL() = 0;
+        
+        /**
+        * A WLAN connection creation finished
+        * @since S60 5.2
+        * @param aError System wide error code
+        */
+        virtual void ConnectionCreationProcessFinishedL( TInt aError ) = 0;
+        
+        
+    };
+
+
+#endif // M_WSFSTATECHANGEOBSERVER_H