diff -r 000000000000 -r 72b543305e3a email/imap4mtm/imaptransporthandler/inc/minputstreamobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/imap4mtm/imaptransporthandler/inc/minputstreamobserver.h	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,57 @@
+// Copyright (c) 2006-2009 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:
+//
+
+#ifndef __MINPUTSTREAMOBSERVER_H__
+#define __MINPUTSTREAMOBSERVER_H__
+
+#include <e32std.h>
+
+/**
+The MInputStreamObserver class encapsulates an observer on 
+the input stream.
+@internalTechnology
+@prototype
+*/
+class MInputStreamObserver
+	{
+public:	// methods
+	/**
+	Indicates to the observer that data has been received from the connected host.
+	The supplied buffer will remain valid until the input stream is notified
+	that it is no longer needed.
+	@param aBuffer A buffer containing the received data.
+	@post The input stream is in the PendingAck state.
+	*/
+	virtual void ReceivedDataIndL(const TDesC8& aBuffer) =0;
+
+	/**
+	Confirms to the observer that a request to upgrade to a secure connection has
+	completed.
+	*/
+	virtual void SecureServerCnf() =0;
+
+	/**
+	Indicates to the observer that the socket connection with the
+	remote host has been closed. The input stream is no longer valid.
+	@param aError 	The error code explaining why the socket connection has
+				  	closed. A value of KErrNone indicates that either the
+				  	input or output stream observer requested that the 
+					socket connection be closed.
+	@post The input stream is in the Closed state and is no longer valid.
+	*/
+	virtual void InputStreamCloseInd(TInt aError) =0;
+	};
+
+#endif	// __MINPUTSTREAMOBSERVER_H__