diff -r 14460bf2a402 -r f50f4094acd7 cbsref/telephonyrefplugins/atltsy/comms/inc/mcommobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cbsref/telephonyrefplugins/atltsy/comms/inc/mcommobserver.h	Tue Jul 06 15:36:38 2010 +0300
@@ -0,0 +1,52 @@
+// 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:
+// MCommEngineObserve & MCommReadLineNotifier
+// 
+
+#ifndef __MCOMMOBSERVER_H__
+#define __MCOMMOBSERVER_H__
+
+//symtem include
+
+//user include 
+#include "ltsycommondefine.h"
+
+/**
+ * Define the engine's observer
+ * 
+ */
+class MCommEngineObserver
+	{
+public:
+	/**
+	 * Notify the observer if any event happens
+	 * 
+	 */
+	virtual void ReadOrWriteComplete(TAtEventSource aEvent, TInt aStatus) = 0;
+	};
+
+/**
+ * Define the notifer of one line string which has been found
+ * 
+ */
+class MCommReadLineNotifier
+	{
+public:
+	/**
+	 * Notify one line of string was found
+	 */
+	virtual TBool NotifyOneLineFoundL(TInt aStatus, const TDesC8& aLineBuf)=0;
+	};	
+
+#endif
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