--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/multimediacommsengine/mmcesrv/mmceevent/inc/mceeventcontext.h	Tue Feb 02 01:04:58 2010 +0200
@@ -0,0 +1,167 @@
+/*
+* 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:    Base class for event contexts. Contains methods for
+*                creating the state array and controlling current state.
+*
+*/
+
+
+
+
+
+#ifndef CMCEEVENTCONTEXT_H
+#define CMCEEVENTCONTEXT_H
+
+// INCLUDES
+#include <e32base.h>
+#include "mcecomeventconstants.h"
+
+// FORWARD DECLARATIONS
+class CMceComEvent;
+class CMceEventStateBase;
+
+// CLASS DECLARATION
+
+/**
+*  Base class for event contexts.
+*
+*  @lib 
+*  @since
+*/
+class CMceEventContext : public CBase 
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        */
+        
+        static CMceEventContext* NewL( CMceComEvent& aEvent );
+        
+        /**
+        * Destructor.
+        */
+        ~CMceEventContext();
+
+    public: // New functions
+        
+        /**
+        * Sets the current state for the context.
+        * @since Series 60 3.0
+        * @param aEvent The event owning this context.
+        * @param aNewEventState Index of the new state in the state array.
+        * @return KErrNone if successfull, system wide error code otherwise.
+        */
+        void SetCurrentStateL( CMceComEvent& aEvent, 
+            				   TMceEventStateIndex aNewEventState );
+
+        /**
+        * Returns the current state of the context
+        * @since Series 60 3.0
+        * @param None.
+        * @return TMceEventStateIndex the current state, index to it.
+        */
+        TMceEventStateIndex CurrentState();
+        
+        /**
+        * Applies the current state of the context for the client actions. 
+        * This causes a state transition to next state of the state machine. 
+        * The current state sets the next state. Leaves on error
+        * @since Series 60 3.0
+        * @param aEvent The event this context belongs to.
+        * @return None
+        */
+        void ProcessEventL( CMceComEvent& aEvent );
+		
+	    /**
+        * Applies the current state of the context for the received request. 
+        * This causes a state transition to next state of the state machine. 
+        * The current state sets the next state. Leaves on error.
+        * @since Series 60 3.0
+        * @param aEvent The event this context belongs to.
+        * @return None
+        */
+        void ProcessRequestReceivedEventL(CMceComEvent& aEvent );
+        
+        /**
+        * Applies the current state of the context for the incoming response.
+        * This causes a state transition to next state of the state machine. 
+        * The current state sets the next state. Leaves on error
+        * @since Series 60 3.0
+        * @param aEvent The event this context belongs to.
+        * @return None
+        */
+        void ProcessIncomingResponseEventL( CMceComEvent& aEvent );
+                
+    public: // Functions from base classes
+        
+    protected:  // New functions
+        
+        /**
+        * Creates the states belonging to this context
+        * @since Series 60 3.0
+        * @param None
+        * @return None
+        */
+        void InitializeStateArrayL( CMceComEvent& aEvent );
+
+        /**
+        * Checks if a state transition to a given state is accepted.
+        * @since Series 60 3.0
+        * @param TMceEventStateIndex aStateIndex
+        * @return TBool, boolean value, is the transition valid.
+        */
+        TBool IsStateTransitionAccepted( TMceEventStateIndex aNewState );
+         
+        /**
+        * C++ default constructor.
+        */
+        CMceEventContext();  
+          
+        /**
+        * By default Symbian 2nd phase constructor is private. 
+        * Now it is protected.
+        */
+        void ConstructL( CMceComEvent& aEvent );  
+        
+        TBool IsMoStateTransitionAccepted( TMceEventStateIndex aNewState );
+        
+        TBool IsMtStateTransitionAccepted( TMceEventStateIndex aNewState );
+    
+    private:
+    
+    	void InitialSubscribeCommonStatesL(); 
+    	
+    	void InitialReferCommonStatesL();  
+
+    protected:  // Data
+
+        // State array
+        RPointerArray< CMceEventStateBase >* iStates;
+       
+    private:    // Data
+
+        // Current state
+        CMceEventStateBase* iCurrentState;
+        
+        // For testing
+        friend class CMceSipEvent;
+        friend class UT_CMceEventContext;
+        friend class UT_CMceEventReferMtEstablishedState;
+       
+    };
+
+#endif      // CMCEEVENTCONTEXT_H
+            
+// End of File