diff -r 000000000000 -r 094583676ce7 wvuing/wvuiprocess/Inc/MCAUiGlobalNotificationObserverPC.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/wvuing/wvuiprocess/Inc/MCAUiGlobalNotificationObserverPC.h	Thu Dec 17 08:41:52 2009 +0200
@@ -0,0 +1,125 @@
+/*
+* 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:  Global interface for the UI to implement to get notifications (call back)
+*				 when theres a change in contact, list, invite, settings, conversation,
+*				 group etc
+*
+*/
+
+
+
+#ifndef MCAUIGLOBALNOTIFICATIONOBSERVERPC_H
+#define MCAUIGLOBALNOTIFICATIONOBSERVERPC_H
+
+#include <e32std.h>
+
+#include "TEnumsPC.h"
+
+
+// CLASS DECLARATION
+
+/**
+ *  Interface for observer
+ *
+ *  @lib wvuiprocessng.dll
+ *  @since 3.2
+ */
+
+class MCAUiGlobalNotificationObserverPC
+    {
+    public: // New functions
+
+        /**
+         * Called when a contact is deleted.
+         * @param aId The ID of the deleted contact
+         * @param aFromPEC, ETrue, if event is coming from PEC
+         */
+        virtual void HandleDelete( const TDesC& aContactId , TEnumsPC::TItem type ) = 0;
+
+        /**
+         * Called when a contact is added.
+         * @param aList. List for contact that was added.
+         * @param aContact The contact which was added
+         * @param aFromPEC, ETrue, if event is coming from PEC
+         */
+        virtual void HandleAddition( TEnumsPC::TItem type ) = 0;
+
+        /**
+         * Called when a contact or list is about to change, or has been changed.
+         * @param aType: the itemtype is type of list item at the hand.
+         * @param aChangeType:the changetype is event that has occured due to call from engine
+         */
+
+        virtual void HandleChange( TEnumsPC::TItem aType, TEnumsPC::TChange aChangeType ) = 0;
+
+
+        /**
+        * Gets called when invite event occurs.
+        * @param aEvent Type of event.
+        * @param aUserId userid of the sender
+        * @param aMessage invite message
+        */
+        virtual void HandleInvitationEventL( TEnumsPC::TInviteType aInviteType,
+                                             const TDesC& aUserId,
+                                             const TDesC& aMessage ) = 0;
+
+        /**
+         * Gets called when we received response to our invitation
+         * @param aAcceptance Accepted or rejected
+         * @param aUserId User Id of the response sender
+         * @param aGroupName group name
+         * @param aResponse response text
+         */
+        virtual void HandleInvitationResponse( TBool aAcceptance,
+                                               const TDesC& aUserId,
+                                               const TDesC& aGroupName,
+                                               const TDesC& aResponse ) = 0;
+
+        /**
+        * Handles setting changes.
+        * @param aChangedSettingEnum specifies the changed setting.
+        */
+        virtual void HandleSettingsChangeL( TInt aChangedSettingEnum ) = 0;
+
+        /**
+         * Handle chat events.
+         * @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 HandleChatEvent( const TEnumsPC::TChatEventType aEvent,
+                                      const TDesC& aWvid,
+                                      const TDesC& aContactId,
+                                      const TDesC& aMessage,
+                                      const TEnumsPC::TMessagerType aMsgrType,
+                                      const TEnumsPC::TMessageType aMsgType ) = 0;
+
+        /**
+        * To handle error condition in message related event
+        * aError: error id
+        * aInfo: error detail
+        */
+        virtual void HandleMessageError( TInt aError, const TDesC& aInfo ) = 0;
+
+        /**
+         * Virtual destructor
+         */
+        virtual ~MCAUiGlobalNotificationObserverPC() {};
+    };
+
+#endif      // MCAUIGLOBALNOTIFICATIONOBSERVERPC_H
+
+// End of File