--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbservices_plat/ptp_transport_api/inc/ptpcallbacks.h	Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,65 @@
+/*
+* Copyright (c) 2006 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:  PTP transport callback interface.
+*
+*/
+
+
+#ifndef PTPCALLBACK_H
+#define PTPCALLBACK_H
+
+#include <e32std.h>
+#include <ptptransport.h>
+
+class MNPtpCallback
+/** 
+ * An interface for notification of receive completions.
+ * Transport plugins use these methods to inform PTP when an event is received
+ * or a data block has arrived through the transport interface.
+ * @lib ptpstack.lib
+ * @since S60 3.2
+ */
+	{
+public:
+
+	/**
+	* Callback for informing PTP that an event has been received.
+    * @since S60 3.2
+    * @param aEventData, Container containing event info.
+    * @return KErrNone, if successful, otherwise one of the other system-wide
+    *         error codes.
+	*/
+	virtual TInt EventReceived( TNPtpContainer& aEventData  ) = 0;
+
+    /**
+	* Callback for informing PTP that a data block has been received.
+	* @since S60 3.2
+	* @param aContainer, Container containing operation info.
+	*                    Response is returned in this parameter also.
+	* @param aDataFile, Name of the file where incoming data resides.
+	*                   Also if method returns data, the name of the data file
+	*                   is written here. When operation or response deosn't
+	*                   constain any data, this parameter should be empty.
+	* @return KErrNone, if successful, otherwise one of the other system-wide
+    *         error codes. KPtpErrDataMissing is returned if aData is empty
+    *         though operation requires data. Transport layer then re-sends the
+    *         operation with the data packed.
+	*/
+	virtual TInt DataReceived( TNPtpContainer& aContainer, TFileName& aFileName  ) = 0;
+	
+	virtual void ResponseReturned(TNPtpContainer& aContainer) = 0;
+	};
+	
+	
+#endif // PTPCALLBACK_H
\ No newline at end of file