diff -r 3104fc151679 -r 9a48e301e94b uiservicetab/vimpstengine/src/vimpstenginecasts.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiservicetab/vimpstengine/src/vimpstenginecasts.cpp	Wed Sep 01 12:33:36 2010 +0100
@@ -0,0 +1,112 @@
+/*
+* Copyright (c) 2008 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:  Provides the Casr Functions
+*
+*/
+
+
+// INCLUDES
+#include "mvimpstengineimsubservice.h"
+#include "mvimpstenginepresencesubservice.h"
+#include "mvimpstenginecontactmgmtextention.h"
+
+#include "mvimpstenginesearchmgrextention.h"
+
+enum TPanicCode
+	{
+	EPanicTypeMismatch = 1
+	};
+#ifdef _DEBUG	
+void Panic( TPanicCode aPanic )
+	{	
+	_LIT( KPanicCat, "VIMPSTEngine::Cast" );
+	User::Panic( KPanicCat, aPanic );
+	}
+#else
+void Panic( TPanicCode /*aPanic*/ )
+    {   
+
+    }
+#endif // _DEBUG
+
+
+EXPORT_C MVIMPSTEngineIMSubService& MVIMPSTEngineIMSubService::Cast
+        (MVIMPSTEngineSubService& aSubService)
+    {
+    __ASSERT_ALWAYS( aSubService.Type() == TVIMPSTEnums::EIM,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<MVIMPSTEngineIMSubService&>(aSubService);
+    }
+
+EXPORT_C const MVIMPSTEngineIMSubService& MVIMPSTEngineIMSubService::Cast
+        (const MVIMPSTEngineSubService& aSubService)
+    {
+    __ASSERT_ALWAYS( aSubService.Type() == TVIMPSTEnums::EIM,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<const MVIMPSTEngineIMSubService&>(aSubService);
+    }
+
+
+EXPORT_C MVIMPSTEnginePresenceSubService& MVIMPSTEnginePresenceSubService::Cast
+        (MVIMPSTEngineSubService& aSubService)
+    {
+    __ASSERT_ALWAYS( aSubService.Type() == TVIMPSTEnums::EPresence,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<MVIMPSTEnginePresenceSubService&>(aSubService);
+    }
+
+EXPORT_C const MVIMPSTEnginePresenceSubService& MVIMPSTEnginePresenceSubService::Cast
+        (const MVIMPSTEngineSubService& aSubService)
+    {
+    __ASSERT_ALWAYS( aSubService.Type() == TVIMPSTEnums::EPresence,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<const MVIMPSTEnginePresenceSubService&>(aSubService);
+    }
+
+EXPORT_C MVIMPSTEngineContactMgmtExtention& MVIMPSTEngineContactMgmtExtention::Cast
+        (MVIMPSTEngineExtentionFeatures& aExtentionFeature)
+    {
+    __ASSERT_ALWAYS( aExtentionFeature.Type() == TVIMPSTEnums::EContactManagement,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<MVIMPSTEngineContactMgmtExtention&>(aExtentionFeature);
+    }
+
+EXPORT_C const MVIMPSTEngineContactMgmtExtention& MVIMPSTEngineContactMgmtExtention::Cast
+        (const MVIMPSTEngineExtentionFeatures& aExtentionFeature)
+    {
+    __ASSERT_ALWAYS( aExtentionFeature.Type() == TVIMPSTEnums::EContactManagement,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<const MVIMPSTEngineContactMgmtExtention&>(aExtentionFeature);
+    }
+
+EXPORT_C MVIMPSTEngineSearchMgrExtention& MVIMPSTEngineSearchMgrExtention::Cast
+        (MVIMPSTEngineExtentionFeatures& aExtentionFeature)
+    {
+    __ASSERT_ALWAYS( aExtentionFeature.Type() == TVIMPSTEnums::ESearch,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<MVIMPSTEngineSearchMgrExtention&>(aExtentionFeature);
+    }
+
+EXPORT_C const MVIMPSTEngineSearchMgrExtention& MVIMPSTEngineSearchMgrExtention::Cast
+        (const MVIMPSTEngineExtentionFeatures& aExtentionFeature)
+    {
+    __ASSERT_ALWAYS( aExtentionFeature.Type() == TVIMPSTEnums::ESearch,
+        Panic(EPanicTypeMismatch) );
+    return static_cast<const MVIMPSTEngineSearchMgrExtention&>(aExtentionFeature);
+    }
+
+
+
+
+