--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiacceltk/hitchcock/plugins/alftranseffect/alftranseffectplugin/inc/uidblock.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,53 @@
+/*
+* Copyright (c) 2006 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 interface. Used for the statemachine in the 
+*                server drawer to keep track on when a transition should be made
+*                and when not.
+*
+*/
+
+
+#ifndef _UIDBLOCK_H_
+#define _UIDBLOCK_H_
+
+#include <e32base.h>
+
+class CUidBlock : public CBase
+	{
+public:
+	virtual TBool IsBlocked(const TUid& aFromUid, const TUid& aToUid) = 0;
+	};
+
+
+class CFullUidBlock : public CUidBlock
+	{
+public:
+	CFullUidBlock(const TUid& aUid);
+	TBool IsBlocked(const TUid& aFromUid, const TUid& aToUid);
+private:
+	const TUid iUid;
+	};
+
+
+class CPairedUidBlock : public CUidBlock
+	{
+public:
+	CPairedUidBlock(const TUid& aUidFrom, const TUid& aToUid);
+	TBool IsBlocked(const TUid& aFromUid, const TUid& aToUid);
+private:
+	const TUid iFromUid;
+	const TUid iToUid;
+	};
+
+#endif