--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/natplugins/natpnatfwsdpprovider/inc/nspstatemachine.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,108 @@
+/*
+* 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:  State machine description.
+*
+*/
+
+#ifndef NSPSTATEMACHINE_H
+#define NSPSTATEMACHINE_H
+
+#include <e32base.h>
+#include "nsppluginreturndef.h"
+#include "nsputdefinitions.h"
+
+class TNSPStateMachineEvent;
+class CNSPStateBase;
+
+/**
+ *  State machine that contains all states, and pointer to current state.
+ *
+ *  Machine which used to implement state design pattern. Machine contains
+ *  all states, and current state. When processing completes successfully,
+ *  state machine observer is used to notify success. Otherwise leave expected.
+ *
+ *  @lib natfwsdpprovider.dll
+ *  @since S60 3.2
+ */
+class CNSPStateMachine : public CBase
+    {
+public: // Constructors and destructor
+
+    /**
+     * A two-phase constructor.
+     */
+    static CNSPStateMachine* NewL();
+    
+    /**
+     * A two-phase constructor.
+     */
+    static CNSPStateMachine* NewLC();
+    
+    /**
+     * Destructor.
+     */
+    virtual ~CNSPStateMachine();
+
+
+private: // Constructors and destructor
+
+    CNSPStateMachine();
+    
+    void ConstructL();
+    
+    void InitializeStateArrayL();
+
+
+public: // New functions
+
+    /**
+     * Current state is applied with this method.
+     *
+     * @since       S60 3.2
+     * @param       aEvent          State machine event
+     */
+    void ProcessL( TNSPStateMachineEvent& aEvent );
+
+
+private: // New functions
+    
+    void IsAcceptableStateTransitionL( TInt aStateIndex ) const;
+    
+    TBool IsAcceptableStateTransition( TInt aStateIndex ) const;
+
+
+private: // data
+
+    /**
+     * Array containing each state object.
+     * Own.
+     */
+    RPointerArray<CNSPStateBase> iStateArray;
+    
+    /**
+     * Pointer to a object which is the 'CURRENT' state
+     * Not own.
+     */
+    CNSPStateBase* iCurrentState;
+    
+    /**
+     * Definitions for unit testing.
+     */
+    NSP_UT_DEFINITIONS
+    
+    };
+
+#endif // NSPSTATEMACHINE_H
+
+// end of file