diff -r 556534771396 -r d4d56f5e7c55 harvester/harvesterserver/inc/cactivitymanager.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/harvesterserver/inc/cactivitymanager.h	Tue Oct 05 13:15:12 2010 +0530
@@ -0,0 +1,91 @@
+/*
+* Copyright (c) 2010 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: 
+*
+*/
+
+#include <e32base.h>
+#include <hwrmlight.h>
+
+#ifndef CACTIVITYMANAGER_H_
+#define CACTIVITYMANAGER_H_
+
+class MActivityManagerObserver
+{
+public :
+    virtual void ActivityChanged(const TBool aActive) = 0;
+};
+
+//#define MONITOR_LIGHTS
+class CActivityManager : public CActive
+#ifdef MONITOR_LIGHTS   
+                           ,public MHWRMLightObserver
+#endif
+
+{
+public:
+
+    /**
+     * Two-phased constructor.
+     *     
+     */
+    static CActivityManager* NewL(MActivityManagerObserver* aObserver, TInt aTimeout = 60);
+
+    /**
+     * Destructor
+     *     
+     */
+    virtual ~CActivityManager();
+    void SetTimeout(TInt aTimeout);
+    void Start();
+    void Reset();
+    void Stop();
+    TBool IsInactive();
+
+
+protected: // from CActive
+    void DoCancel();
+    void RunL();
+    TInt RunError(TInt aError);
+
+protected:
+    CActivityManager(MActivityManagerObserver* aObserver, TInt aTimeout);
+    void ConstructL();
+    void NotifyObserver();
+    
+#ifdef MONITOR_LIGHTS
+private: //From MHWRMLightObserver
+    void LightStatusChanged(TInt aTarget, CHWRMLight::TLightStatus aStatus);
+#endif
+    
+protected:
+    enum TWatch { ENone = 0, EWaitingForInactivity, EWaitingForActivity };
+
+protected:
+    RTimer iTimer;
+    TWatch iWatch;
+    MActivityManagerObserver* iObserver; ///The observer of activity status
+    TInt iTimeout; ///Current inactivity period
+    
+#ifdef MONITOR_LIGHTS
+    //Backlight control 
+    CHWRMLight* iLight;
+    //backlight status
+    TBool iLights;
+#endif
+    //previous status
+    TInt iPreviousStatus;
+    TBool iFirstRound;
+};
+#endif /* CACTIVITYMANAGER_H_ */