diff -r 000000000000 -r 16d8024aca5e src/hbcore/gui/hbtestabilitysignal.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hbcore/gui/hbtestabilitysignal.cpp	Mon Apr 19 14:02:13 2010 +0300
@@ -0,0 +1,56 @@
+/****************************************************************************
+**
+** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (developer.feedback@nokia.com)
+**
+** This file is part of the HbCore module of the UI Extensions for Mobile.
+**
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this file.
+** Please review the following information to ensure the GNU Lesser General
+** Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at developer.feedback@nokia.com.
+**
+****************************************************************************/
+
+#include <hbtestabilitysignal_p.h>
+
+HbTestabilitySignal_p::HbTestabilitySignal_p(QObject *parent)
+    : QObject(parent), testabilitySignal(false),
+        enabledChangeObserver(0), observerParam(0)
+{
+	setObjectName("HbTestabilitySignal");
+}
+
+HbTestabilitySignal_p::~HbTestabilitySignal_p()
+{
+}
+
+void HbTestabilitySignal_p::enableSignal(bool enabled)
+{
+	testabilitySignal = enabled;
+	if (enabledChangeObserver) {
+	    enabledChangeObserver(enabled, observerParam);
+	}
+}
+
+bool HbTestabilitySignal_p::signalEnabled() const
+{
+	return testabilitySignal;
+}
+
+void HbTestabilitySignal_p::notifySignalEnabled(void (*observer)(bool, void*), void *param)
+{
+    enabledChangeObserver = observer;
+    observerParam = param;
+}