--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/inc/mcenatsipstatemachine.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,112 @@
+/*
+* Copyright (c) 2005 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 CMCENATSIPSTATEMACHINE_H
+#define CMCENATSIPSTATEMACHINE_H
+
+#include <e32base.h>
+#include "mcesrv.h"
+#include "mcenatstate.h"
+#include "mceclientserver.h"
+#include "mcedefs.h"
+
+//  FORWARD DECLARATION
+class TMceNatStateTransitionEvent;
+
+/**
+*  MCE SIP state machine
+*
+*  @lib 
+*  @since
+*/
+class CMceNatSipStateMachine : public CBase
+	{
+public: // Constructors and destructor
+
+	/**
+	* Two-phased constructor.
+	*/
+	static CMceNatSipStateMachine* NewL();
+
+	/**
+	* Two-phased constructor.
+	*/
+	static CMceNatSipStateMachine* NewLC();
+
+	/**
+	* Destructor.
+	*/
+	~CMceNatSipStateMachine();
+
+
+public: //New
+
+	/**
+	* return a state by index
+	* @param aNewState next state
+	*/
+    void NewStateL( TMceNatStateTransitionEvent& aEvent,
+                    TMceNatStateIndex aNewState );
+
+	/**
+	* processes message
+	* @param aEvent event
+	*/
+    void ProcessL( TMceNatStateTransitionEvent& aEvent );
+
+	/**
+	* checks if event is accepted by current state.
+	* @param aEvent event
+	*/
+    TBool Accept( TMceNatStateTransitionEvent& aEvent );
+
+	/**
+	* returns the current state index.
+	* @return state index, if not found KErrNotFound returned
+	*/
+    TInt State() const;
+    
+	/**
+	* Sets current state as Idle.
+	*/
+    void ErrorOccurred();
+    
+private:
+
+	CMceNatSipStateMachine();
+    
+	void ConstructL();
+
+
+private: // Data
+
+    // Current state index
+    TMceNatStateIndex iCurrentState;
+    
+    // Array containing all state - objects.
+    RPointerArray<CMceNatState> iStates;
+    
+	//definitions for unit testing
+	MCESRV_UT_DEFINITIONS
+	
+	};
+
+#endif // CMCENATSIPSTATEMACHINE_H
+
+// End of File