diff -r 000000000000 -r 72b543305e3a messagingappbase/ncnlist/inc/NcnMsvSessionObserverBase.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/ncnlist/inc/NcnMsvSessionObserverBase.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,112 @@
+/*
+* Copyright (c) 2004 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:   Defines an abstract class CNcnMsvSessionObserverBase.
+*
+*/
+
+
+
+#ifndef NCNMSVSESSIONOBSERVERBASE_H
+#define NCNMSVSESSIONOBSERVERBASE_H
+
+//  INCLUDES
+#include    <msvapi.h>              // MsvSession class
+#include    "MNcnMsvSessionHandlerObserver.h"
+
+// CONSTANTS
+const TUid KNcnSmsUid = { 0x1000102c }; 
+
+// FORWARD DECLARATIONS
+class CNcnModelBase;
+class CMsvSession;
+class CNcnHandlerAudio;
+class TVwsViewId;
+class CNcnNotifApiObserver;
+class CNcnMsvSessionHandler;
+class CVoiceMailManager;
+
+// CLASS DECLARATION
+
+/**
+*  Receives and handles In-box events.
+*/
+class CNcnMsvSessionObserverBase : 
+    public CBase, public MMsvEntryObserver,
+    public MNcnMsvSessionHandlerObserver
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Class factory.
+        */
+        static CNcnMsvSessionObserverBase* NewL( 
+            CNcnModelBase* aModel, CVoiceMailManager& aVMManager );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CNcnMsvSessionObserverBase();
+
+
+    public: // From MNcnMsvSessionHandlerObserver
+    
+        virtual void HandleMsvSessionReadyL( CMsvSession& aMsvSession );
+        virtual void HandleMsvSessionClosedL();
+        
+    public: // Functions from base classes
+
+        /**
+        * From MMsvEntryObserver. Callback function. Handles global In-box 
+        * events. This is a pure virtual function must be implemented in 
+        * protocol specific subclasses.
+        * @param aEvent An entry event.
+        */
+        virtual void HandleEntryEventL( 
+            TMsvEntryEvent aEvent, 
+            TAny* aArg1, 
+            TAny* aArg2, 
+            TAny* aArg3 ) = 0;
+        
+    protected:
+        
+        /**
+        * C++ default constructor.
+        */
+        CNcnMsvSessionObserverBase(
+            CNcnModelBase* aModel );
+
+        /**
+        * By default Symbian OS constructor is private.
+        */
+        virtual void ConstructL();
+        
+        /**
+        * Checks the amount of unread messages in the global In-box.
+        * This is a pure virtual function must be implemented in protocol specific subclasses.
+        */
+        virtual void CheckAmountOfUnreadMessagesInInboxL( TInt& aMsgCount, TInt& aAudioMsgCount ) = 0;         
+
+    protected: //data
+        
+        // A pointer to the event monitor object.
+        CNcnModelBase*  iModel;
+        
+        // In-box folder entry. Note that the entry is not owned by this class.
+        CMsvEntry* iInboxFolder;
+        
+};
+
+#endif      // NCNMSVSESSIONOBSERVERBASE_H
+
+// End of File