--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxui/src/cxuidisplaypropertyhandler.cpp	Tue Aug 31 15:03:46 2010 +0300
@@ -0,0 +1,69 @@
+/*
+* 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:
+*
+*/
+
+#include "cxutils.h"
+#include "cxuidisplaypropertyhandler.h"
+
+namespace {
+    // Refresh period for the timer keeping backlight on.
+    const int CXUI_BACKLIGHT_REFRESH_TIMEOUT = 3000;
+}
+
+CxuiDisplayPropertyHandler::CxuiDisplayPropertyHandler() :
+    mBacklightTimer(this),
+    mUtility(this)
+{
+    // Setup backlight timer
+    mBacklightTimer.setSingleShot(false);
+    mBacklightTimer.setInterval(CXUI_BACKLIGHT_REFRESH_TIMEOUT);
+    QObject::connect(&mBacklightTimer,
+                     SIGNAL(timeout()),
+                     this,
+                     SLOT(simulateActivity()));
+}
+
+CxuiDisplayPropertyHandler::~CxuiDisplayPropertyHandler()
+{
+    mBacklightTimer.stop();
+}
+
+/**
+* Utility to keep backlight on and screensaver out.
+* @param enabled True means backlight is kept on and screensaver is disabled.
+*                False means backlight may time out and screensaver may come
+*                on depending of user activity.
+*/
+void CxuiDisplayPropertyHandler::setDisplayAlwaysVisible(bool enabled)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    if (enabled) {
+        CX_DEBUG( ("CxuiDisplayPropertyHandler - setting display constantly on") );
+        simulateActivity();
+        mBacklightTimer.start();
+    } else {
+        CX_DEBUG( ("CxuiDisplayPropertyHandler - setting display to normal mode") );
+        mBacklightTimer.stop();
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+void CxuiDisplayPropertyHandler::simulateActivity()
+{
+    mUtility.resetInactivityTime();
+}