--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sensorservices/tiltcompensationssy/inc/tcstatepool.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,69 @@
+/*
+* 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:  MTCStatePool interface declaration.
+*
+*/
+
+
+
+#ifndef TCSTATEPOOL_H
+#define TCSTATEPOOL_H
+
+// INCLUDES
+#include <e32std.h>
+
+// FORWARD DECLARATIONS
+class CTCState;
+
+// CLASS DECLARATION
+
+/**
+*  State pool interface.
+*  State classes can use this interface to manipulate
+*  current state.
+*
+*  @lib None
+*  @since S60 5.0
+*/
+NONSHARABLE_CLASS( MTCStatePool )
+    {
+    public:
+    
+        /**
+        * Returns current state. NULL if state not found.
+        *
+        * @return TTCState
+        */
+        virtual CTCState* CurrentState() const = 0;
+
+        /**
+        * Returns prvious state. NULL if state not found.
+        * 
+        * @return TTCState
+        */
+        //virtual CTCState* PreviousState() const = 0;
+
+        /**
+        * Changes the current state.
+        * New state will be notified about state entry.
+        * Current state will be notified about state exit.
+        * 
+        * @param aStateId The ID of the new state.
+        */
+        virtual void ChangeStateL( TInt aStateId ) = 0;
+};
+
+#endif // TCSTATEPOOL_H
+
+// End of File