--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/taskswitcher/server/src/hsdataobservertask.cpp	Thu Sep 16 12:11:40 2010 +0100
@@ -0,0 +1,87 @@
+/*
+* 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 "hsdataobservertask.h"
+#include "tstaskmonitorglobals.h"
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CHsDataObserverTask::CHsDataObserverTask(MTsDataObserverStorage& storage, 
+                                         const RMessage2& msg)
+:
+    mStorage(storage),
+    mMsg(msg)
+{
+    // No implementation required
+}
+
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+CHsDataObserverTask::~CHsDataObserverTask()
+{
+    if (EFalse == mMsg.IsNull()) {
+        mMsg.Complete(mDataChanged ? KErrNone : KErrCancel);
+    }
+}
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CHsDataObserverTask::ExecuteLD(MTsDataObserverStorage& storage,const RMessage2& msg)
+{
+    CTsDataObserver *self = new (ELeave)CHsDataObserverTask(storage, msg);
+    CleanupStack::PushL(self);
+    storage.PushL(self);
+    CleanupStack::Pop(self);
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CHsDataObserverTask::DataChanged()
+{
+    mDataChanged = ETrue;
+    mStorage.Pop(this);
+    delete this; 
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+void CHsDataObserverTask::Cancel(const RMessage2& reason)
+{
+    if (CancelSubscribeRunningAppChanges == reason.Function() &&
+        mMsg.Session() == reason.Session()) {
+        mStorage.Pop(this);
+        delete this;
+   }
+}
+
+// -----------------------------------------------------------------------------
+//
+// -----------------------------------------------------------------------------
+//
+TBool CHsDataObserverTask::IsParent(const CSession2* session)
+{
+    return mMsg.Session() == session;
+}