diff -r 5266b1f337bd -r 8baf28733c3d phoneapp/phoneuicontrol/inc/tphonetransitionhandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/phoneapp/phoneuicontrol/inc/tphonetransitionhandler.h	Tue Sep 14 21:18:17 2010 +0300
@@ -0,0 +1,108 @@
+/*
+* Copyright (c) 2010 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: Class handles phoneapp internal/external transitions.
+*
+*/
+
+
+#ifndef TPHONETRANSITIONHANDLER_H
+#define TPHONETRANSITIONHANDLER_H
+
+//INCLUDES
+#include <e32base.h>
+#include "mphoneviewcommandhandle.h"
+#include "tphonecmdparamtranseffect.h"
+
+class CPhoneState;
+
+/**
+ * Class handles phoneapp internal/external transitions.
+ *
+ * @lib phoneuicontrol
+ * @since S60 v9.2
+ */
+class TPhoneTransitionHandler
+    {
+    public:
+        /**
+        * default constructor.
+        */
+        TPhoneTransitionHandler(
+                CPhoneState& aState,
+                MPhoneViewCommandHandle& aViewCommandHandle );
+        
+        /**
+        * Informs view to start Transition effect if effect
+        * type is feasible for current state.
+        * @param aType a transition effect, default none
+        * EndTransEffect() must be called when update is done.
+        */
+        IMPORT_C void BeginTransEffectLC( TPhoneTransEffectType aType = EPhoneTransEffectNone );
+
+        /**
+        * Informs view to complete Transition effect
+        */
+        IMPORT_C void EndTransEffect();
+        
+        /**
+        * Informs view that UI is being updated (call bubble or number editor).
+        * EndUiUpdate() must be called when update is done.
+        */
+        IMPORT_C void BeginUiUpdateLC();
+       
+        /**
+        * Informs view that UI update is completed.
+        */
+        IMPORT_C void EndUiUpdate();
+        
+        /**
+        * Informs view that UI is being updated (call bubble or number editor).
+        * EndUiUpdate() must be called when update is done.
+        */
+        IMPORT_C void IncomingCallUiUpdateLC();
+      
+        /**
+        * Informs view that UI is being updated (call bubble or number editor).
+        * EndUiUpdate() must be called when update is done.
+        */
+        IMPORT_C void IdleCallUiUpdateLC();
+       
+        /**
+        * Informs view that UI update is completed.
+        */
+        IMPORT_C void EndUiUpdateAndEffect();
+        
+    private:
+        
+        /**
+        * TCleanupOperation to call EndUiUpdate(), if leave occurs
+        * after BeginUiUpdate().
+        */
+        static void UiUpdateCleanup(TAny* aThis );
+
+        /**
+        * TCleanupOperation to call EndTransEffect, if leave occurs
+        * after BeginTransEffect().
+        */
+        static void EffectCleanup(TAny* aThis );
+        
+    private:
+            
+        // Not owned:
+        CPhoneState& iState;
+        MPhoneViewCommandHandle& iViewCommandHandle;
+    };
+
+
+#endif // TPHONETRANSITIONHANDLER_H