diff -r 000000000000 -r f72a12da539e idlehomescreen/xmluirendering/uiengine/inc/xninactivitymonitor.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/uiengine/inc/xninactivitymonitor.h	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,115 @@
+/*
+* 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:  Inactivity monitor
+*
+*/
+
+
+#ifndef _NXINACTIVITYMONITOR_H
+#define _NXINACTIVITYMONITOR_H
+
+// System includes
+#include <e32base.h>
+
+// User includes
+
+// Forward declarations
+
+/**
+ * User inactivity observer
+ * 
+ * @ingroup group_xnlayoutengine
+ * @lib xn3layoutengine.lib
+ * @since S60 5.0
+ */
+NONSHARABLE_CLASS( MXnInactivityObserver )
+    {
+public:
+    /**
+     * Notifies inactivity timer is expired
+     *
+     * @since S60 5.0
+     */    
+    virtual void InactivityTimerExpired() = 0;
+    };
+
+/**
+ * User inactivity monitor
+ * 
+ * @ingroup group_xnlayoutengine
+ * @lib xn3layoutengine.lib
+ * @since S60 5.0
+ */
+NONSHARABLE_CLASS( CXnInactivityMonitor ) : public CTimer 
+    {
+public:    
+    // Constructors and destructor
+    
+    /**
+     * Two-phased constructor.
+     */
+    static CXnInactivityMonitor* NewL( MXnInactivityObserver& aObserver );
+
+    /**
+     * Two-phased constructor. Leaving on stack
+     */
+    static CXnInactivityMonitor* NewLC( MXnInactivityObserver& aObserver );
+
+    /**
+     * Destructor
+     */
+    ~CXnInactivityMonitor();
+
+private:
+    // private constructors
+
+    /**
+     * Leaving constructor
+     */
+    void ConstructL();
+    
+    /**
+     * C++ default constructor
+     */
+    CXnInactivityMonitor( MXnInactivityObserver& aObserver );
+
+private:
+    // from CTimer
+    
+    void RunL();
+    
+public:
+    // new functions
+    
+    /**
+     * Starts inactivity monitoring 
+     *
+     * @since S60 5.0
+     */
+    void Start();
+
+    /**
+     * Stops inactivity monitoring 
+     *
+     * @since S60 5.0
+     */    
+    void Stop();
+        
+private:
+    // data
+    /** Inactivity observer, Not owned */
+    MXnInactivityObserver& iObserver;
+    };
+
+#endif // _NXINACTIVITYMONITOR_H