diff -r 000000000000 -r 1bce908db942 natfw/natfwturnplugin/inc/tturnplugincallbackinfo.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natfw/natfwturnplugin/inc/tturnplugincallbackinfo.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,156 @@
+/*
+* Copyright (c) 2007 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:    
+*
+*/
+
+
+
+
+#ifndef T_TURNPLUGINCALLBACKINFO_H
+#define T_TURNPLUGINCALLBACKINFO_H
+
+// INCLUDES
+#include <e32base.h>
+#include "mnatfwpluginobserver.h"
+
+
+/**
+ * This class contains the information to execute a single callback
+ * function of MNATFWPluginObserver.
+ */
+class TTurnPluginCallbackInfo
+    {
+public: // Enumerations
+
+        /**
+         * One entry for each function of MNATFWPluginObserver, including all
+         * the different TNATFWPluginEvent values. In addition error value,
+         * for error notifications.
+         */
+        enum TFunction
+            {
+            EConnectServer,
+            EActiveSending,
+            EDeactiveSending,
+            EActiveReceiving,
+            EDeactiveReceiving,
+            ELocalCandidateFound,
+            EFetchingEnd,
+            EError
+            };
+
+public: // Constructors and destructor
+
+    /**
+     * Constructor
+     *
+     * @since   S60 3.2
+     * @param   aTurnPlugin TURN Plug-in instance
+     * @param   aObserver   TURN Plug-in observer
+     * @param   aFunction Identifies the function of MNATFWPluginObserver
+     *          to be called
+     * @param   aStreamId stream ID
+     * @param   aErrorCode Error reason
+     * @param   aEventData Event data if any
+     */
+    TTurnPluginCallbackInfo( const CNATFWPluginApi& aTurnPlugin,
+                             MNATFWPluginObserver& aObserver, 
+                             TTurnPluginCallbackInfo::TFunction aFunction,
+                             TUint aStreamId,
+                             TInt aErrorCode,
+                             TAny* aEventData );
+
+    /**
+     * Checks that the selected callback function has required parameters
+     * defined and that no unrelevant parameters have been specified.
+     *
+     * @since   S60 3.2
+     * @return  result of validation process as a boolean type
+     */
+    TBool Validate() const;
+
+    /**
+     * Calls a selected function of observer with the given parameters.
+     * The function to call and the parameters were specified in the
+     * constructor.
+     *
+     * @since   S60 v3.2
+     */
+    void Execute() const;
+
+private: // Constructors, for internal use
+
+    TTurnPluginCallbackInfo();
+
+    TTurnPluginCallbackInfo( const TTurnPluginCallbackInfo& aCallbackInfo );
+
+private: // New functions, for internal use
+
+    /**
+     * Passes events to observer
+     *
+     * @since   S60 3.2
+     * @param   aEvent plug-in event
+     */
+    void PassEvent(
+        MNATFWPluginObserver::TNATFWPluginEvent aEvent ) const;
+
+    /**
+     * Passes errors to observer
+     *
+     * @since   S60 v3.2
+     */
+    void PassError() const;
+
+public: // Data
+
+    /**
+     * Que link
+     */
+    TSglQueLink iLink;
+
+    /**
+     * TURN Plug-in reference
+     */
+    const CNATFWPluginApi& iTurnPlugin;
+
+    /**
+     * Observer for which to pass events
+     */
+    MNATFWPluginObserver& iObserver;
+
+    /**
+     * Selected callback function
+     */
+    TTurnPluginCallbackInfo::TFunction iFunction;
+
+    /**
+     * Stream ID
+     */
+    TUint iStreamId;
+
+    /**
+     * Error code
+     */
+    TInt iErrorCode;
+
+    /**
+     * The event data
+     */
+    TAny* iEventData;
+    };
+
+#endif // T_TURNPLUGINCALLBACKINFO_H
+