--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceserver/inc/mcestate.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,206 @@
+/*
+* 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 CMCESTATE_H
+#define CMCESTATE_H
+
+#include <e32base.h>
+
+//  FORWARD DECLARATION
+#include "mceevents.h"
+// CLASS DECLARATION
+
+//state indexes
+typedef TUint TMceStateIndex;
+
+const TMceStateIndex KMceStateIdle = 0;
+const TMceStateIndex KMceStateClientEstablishing = 1;
+const TMceStateIndex KMceStateOffering = 2;
+const TMceStateIndex KMceStateEstablished = 3;
+const TMceStateIndex KMceStateTerminating = 4;
+const TMceStateIndex KMceStateTerminated = 5;
+
+const TMceStateIndex KMceStateServerEstablishing = 6;
+const TMceStateIndex KMceStateUpdating = 7;
+const TMceStateIndex KMceStateUpdated = 8;
+const TMceStateIndex KMceStateAnswering = 9;
+
+const TUint KMceStateError = 10;
+const TUint KMceStateCanceled = 11;
+
+const TMceStateIndex KMceStateConfirming = 12;
+const TMceStateIndex KMceStateClientReserving = 13;
+const TMceStateIndex KMceStateAcknowledgementRequired = 14;
+const TMceStateIndex KMceStateServerReserving = 15;
+const TMceStateIndex KMceStateConfirmationRequired = 16;
+const TMceStateIndex KMceStateServerOffering = 17;
+const TMceStateIndex KMceStateServerInitializing = 18;
+
+
+
+/**
+*  MCE SIP state transition handler
+*
+*  @lib 
+*  @since
+*/
+class MMCEStateTransitionHandler
+	{
+
+public:
+
+	/**
+	* Hanldes state transition message and executes
+	* necessary actions
+	* @param aEvent atransition event
+	*/
+    virtual void EntryL( TMceStateTransitionEvent& aEvent ) = 0;
+
+	/**
+	* Resolves state to which current state exit
+	* @param aEvent atransition event
+	*/
+    virtual void ExitL( TMceStateTransitionEvent& aEvent ) = 0;
+	
+	};
+	
+
+/**
+*  MCE SIP state machine
+*
+*  @lib 
+*  @since
+*/
+class CMceState : public CBase
+	{
+	
+public: // Constructors and destructor
+
+    
+	/**
+	* Destructor.
+	*/
+	~CMceState();
+
+public: // New
+
+
+	/**
+	* return Id of state
+	* @return Id of state
+	*/
+    TMceStateIndex Id();
+    
+	/**
+	* Checks if state accepts event
+	* @param aEvent atransition event
+	* @return ETrue, if event is accepted
+	*/
+    virtual TBool AcceptL( TMceStateTransitionEvent& aEvent );
+
+	/**
+	* Checks if state accepts event
+	* @param aEvent atransition event
+	* @return ETrue, if event is accepted
+	*/
+    virtual TBool DoAcceptL( TMceStateTransitionEvent& aEvent ) = 0;
+
+	/**
+	* Reruns transition handler
+	* @return transition handler
+	*/
+    virtual MMCEStateTransitionHandler& TransitionHandler() = 0;
+			 
+	/**
+	* Performed when entering to state
+	* @param aEvent atransition event
+	*/
+    virtual void StateEntry( TMceStateTransitionEvent& aEvent );
+
+	/**
+	* Performed when exiting from satte
+	* @param aEvent atransition event
+	*/
+    virtual void StateExitL( TMceStateTransitionEvent& aEvent );
+    
+	/**
+	* Performed when receiving ICMP  Error
+	* @param aEvent atransition event
+	*/
+    virtual void MediaErrorOccured( TMceStateTransitionEvent& aEvent );
+
+	
+	/**
+	* Checks if state accepts event
+	* @param aEvent atransition event
+	* @return ETrue, if event is accepted
+	*/
+    virtual TBool IsExtensionRequestEvent( TMceStateTransitionEvent& aEvent );
+    
+    
+	/**
+	* Handle Non Target Refresh Request
+	* @param aEvent atransition event
+	*/
+    virtual void HandleExtensionRequestEventL( TMceStateTransitionEvent& aEvent );
+
+	
+	/**
+	* Send Non Target Refresh Request 
+	* @param aEvent atransition event
+	*/
+    virtual void EntrySendExtensionRequestL( TMceStateTransitionEvent& aEvent );
+    
+    
+   	/**
+	* Send Response to the Non Target Refresh Request
+	* @param aEvent atransition event
+	*/
+    virtual void EntrySendExtensionResponseL( TMceStateTransitionEvent& aEvent );
+    
+
+	/**
+	* Receive Non Target Refresh Request
+	* @param aEvent atransition event
+	*/
+    virtual void EntryReceiveExtensionRequestL( TMceStateTransitionEvent& aEvent );
+    
+    
+   	/**
+	* Receive Response for Non Target Refresh Request
+	* @param aEvent atransition event
+	*/
+    virtual void EntryReceiveExtensionResponseL( TMceStateTransitionEvent& aEvent );
+
+    
+    
+protected:
+
+	CMceState ( TMceStateIndex aId );
+
+private:
+
+    TMceStateIndex iId;
+    
+	};
+
+#endif
+
+// End of File