diff -r d1dadafc5584 -r 26079c1bb561 taskswitcher/utils/src/tswindowgroupsobserverbase.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/utils/src/tswindowgroupsobserverbase.cpp	Wed Oct 06 16:00:22 2010 +0300
@@ -0,0 +1,47 @@
+/*
+ * 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 "tswindowgroupsobserverbase.h"
+
+// -----------------------------------------------------------------------------
+/**
+ * First phase constructor
+ */
+CTsWindowGroupsObserverBase::CTsWindowGroupsObserverBase(
+                                              MTsWindowGroupsMonitor & aMonitor)
+:
+    iMonitor(aMonitor)
+{}
+
+// -----------------------------------------------------------------------------
+/**
+ * Second phase constructor.
+ * Function automaticly subscribe window server events
+ */
+void CTsWindowGroupsObserverBase::BaseConstructL()
+{
+    iMonitor.SubscribeL(*this);
+}
+
+// -----------------------------------------------------------------------------
+/**
+ * Destructor
+ * Function automaticly cancel subscrption to window server events
+ */
+CTsWindowGroupsObserverBase::~CTsWindowGroupsObserverBase()
+{
+    iMonitor.Cancel(*this);
+}