diff -r 000000000000 -r 094583676ce7 wvuing/wvuiprocess/Inc/MCAChatObserverPC.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiprocess/Inc/MCAChatObserverPC.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,60 @@
+/*
+* 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:  Observer interface to handle chat container changes.
+*
+*/
+
+
+#ifndef __MCACHATOBSERVERPC_H__
+#define __MCACHATOBSERVERPC_H__
+
+//  INCLUDES
+#include <e32def.h>
+#include "TEnumsPC.h"
+
+// CLASS DECLARATION
+
+/**
+ *  Observer interface to handle messages container changes.
+ *
+ *  @lib wvuiprocessng.dll
+ *  @since 3.2
+ */
+class MCAChatObserverPC
+    {
+    public: // Interface
+        /**
+         * Handle chat events. - MCAConversationObserverPC
+         * @param aWvid - WVID
+         * @param aContactId - Contact identification
+         * @param aIndex - The index of the conversation in the local store of PC
+         * @param aChatInList - if new chat then ETrue
+         * @param aMessage - The message text
+         */
+        virtual void HandleOpenChatsEvent( const TEnumsPC::TChange aEvent,
+                                           const TEnumsPC::TItem aTabItemType,
+                                           const TDesC& aWvid,
+                                           const TDesC& aIdentification,
+                                           const TInt aIndex ) = 0;
+
+
+        /**
+         * Destructor
+         */
+        virtual ~MCAChatObserverPC() {}
+    };
+
+#endif      // __MCACHATOBSERVERPC_H__
+
+// End of File