diff -r ebe688cedc25 -r 7fdbb852d323 messagingappbase/ncnlist/inc/NcnSystemAgentObserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/ncnlist/inc/NcnSystemAgentObserver.h	Wed Sep 01 12:31:54 2010 +0100
@@ -0,0 +1,113 @@
+/*
+* 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 class CNcnSystemAgentObserver.
+*
+*/
+
+
+
+#ifndef NCNSYSTEMAGENTOBSERVER_H
+#define NCNSYSTEMAGENTOBSERVER_H
+
+//  INCLUDES
+#include    <e32base.h>
+#include    <savarset.h>       // RSAVarChangeNotify
+
+// CLASS DECLARATION
+class CNcnModelBase;
+
+/**
+*  Listens to the Phone idle status through the System Agent session.
+*/
+class CNcnSystemAgentObserver : public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * C++ default constructor.
+        */
+        CNcnSystemAgentObserver( CNcnModelBase* aModel );
+
+        /**
+        * Two-phased constructor.
+        */
+        static CNcnSystemAgentObserver* NewL( CNcnModelBase* aModel );
+
+        /**
+        * Destructor.
+        */
+        virtual ~CNcnSystemAgentObserver();
+
+    public:
+
+        /*
+        * Through this System Agent is notified about state changes.
+        */
+        void NotifySystemAgent( const TUid& aVariable, const TInt aState );
+
+        /**
+        * By this method the user of this class orders the observer to start receiving events.
+        */
+        void IssueRequest();
+
+    private:
+
+        /**
+        * By default Symbian OS constructor is private.
+        */
+        void ConstructL();
+
+        // By default, prohibit copy constructor
+        CNcnSystemAgentObserver( const CNcnSystemAgentObserver& );
+        // Prohibit assigment operator
+        CNcnSystemAgentObserver& operator= ( const CNcnSystemAgentObserver& );
+
+        /**
+        * Cancels the request.
+        */
+        void DoCancel();
+
+        /**
+        * Handles the event.
+        */
+        void RunL();
+
+    private:    // Data
+
+        // For being notified by System Agent
+        RSystemAgent iSystemAgent;
+
+        // For notifying System Agent
+        RSAVarChangeNotify iSavar;
+
+        // A pointer to the event monitor.
+        CNcnModelBase* iModel;
+
+        // The event from System Agent.
+        TSysAgentEvent  iSAEvent;
+
+        // Stores the phone idle state status
+        TInt iPhoneIdleState;
+
+        // Stores the autolock status
+        TInt iAutolockStatus;
+
+        // Stores the current call status
+        TInt iCurrentCallStatus;
+
+    };
+
+#endif      // NCNSYSTEMAGENTOBSERVER_H
+
+// End of File