diff -r 33a5d2bbf6fc -r 73a1feb507fb mmsharing/livecommsui/lcuiengine/src/lcactivitymanager.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmsharing/livecommsui/lcuiengine/src/lcactivitymanager.cpp	Tue Aug 31 15:12:07 2010 +0300
@@ -0,0 +1,138 @@
+/*
+* Copyright (c) 2009 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:
+*
+*/
+
+//  INCLUDES
+#include <e32base.h>
+#include <centralrepository.h>
+#include <hwrmlightdomaincrkeys.h>
+#include <QtCore>
+#include "lcactivitymanager.h"
+#include "lclogger.h"
+
+
+const int lcDefaultInactivityTimeout = 5; //timeout in seconds, used if fetching 
+                                          //value from cenrep fails
+const int lcInvalidTimerId = -1;
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LcActivityManager::LcActivityManager() : 
+    mTimerId(lcInvalidTimerId)
+{
+    if (initInactivityTimeout() != 0) {
+        mInactivityTimeout = lcDefaultInactivityTimeout;
+    }    
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+LcActivityManager::~LcActivityManager()
+{
+    stopTimer();
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LcActivityManager::enableActivitySimulation(bool enable)
+{
+    if (enable) {
+        restartTimer();
+    } else {
+        stopTimer();
+    }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+bool LcActivityManager::isActivitySimulationEnabled()
+{
+    return (mTimerId != lcInvalidTimerId);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+int LcActivityManager::initInactivityTimeout()
+{
+    CRepository* repository = 0;
+    TRAPD(err, repository = CRepository::NewL(KCRUidLightSettings));
+    if (err == KErrNone) {
+        // Let's fetching display light timeout value (in seconds )
+        TInt displayTimeOut(0);
+        err = repository->Get(KDisplayLightsTimeout, displayTimeOut);
+        if (displayTimeOut > 2) {
+            //taking away 2 seconds just in case, to ensure we keep
+            //simulating user activity frequently enough
+            displayTimeOut -= 2;
+        }
+        mInactivityTimeout = displayTimeOut;
+    }
+    delete repository;
+    return err;
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LcActivityManager::stopTimer()
+{
+    if (mTimerId != lcInvalidTimerId) {
+        killTimer(mTimerId);
+        mTimerId = lcInvalidTimerId;
+    }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LcActivityManager::restartTimer()
+{
+    stopTimer();
+
+    int timeLeftInSeconds = mInactivityTimeout - User::InactivityTime().Int();
+    if ( timeLeftInSeconds < 1 ) {
+        User::ResetInactivityTime();
+        timeLeftInSeconds = mInactivityTimeout;
+    }
+    
+    LC_QDEBUG_2( "livecomms [UI] -> LcActivityManager::startTimer(), interval: ", timeLeftInSeconds);
+    
+    mTimerId = startTimer(timeLeftInSeconds*1000);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void LcActivityManager::timerEvent(QTimerEvent* event)
+{
+    if (event->timerId() == mTimerId) {
+        LC_QDEBUG( "livecomms [UI] -> LcActivityManager::timerEvent()" );
+        restartTimer(); 
+    }
+}