diff -r 000000000000 -r c9bc50fca66e usbmgmt/usbmgr/usbman/server/INC/musbotghostnotifyobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbmgmt/usbmgr/usbman/server/INC/musbotghostnotifyobserver.h	Tue Feb 02 02:02:59 2010 +0200
@@ -0,0 +1,57 @@
+/*
+* Copyright (c) 2008-2009 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:
+* The mixin used by the USB OTG/Host objects to notify all of
+* it's observers of any messages and state changes that occur
+*
+*/
+
+/**
+ @file
+*/
+
+#ifndef __MUSBOTGHOSTNOTIFYOBSERVER_H__
+#define __MUSBOTGHOSTNOTIFYOBSERVER_H__
+
+#include <usb/usbshared.h>
+
+/**
+ * The MUsbOtgHostNotifyObserver class
+ *
+ * The mixin used by the USB Otg/Host objects to notify all of
+ * it's observers of any messages and state changes that occur
+ *
+ * @internalTechnology
+ * @released
+ */
+class MUsbOtgHostNotifyObserver
+	{
+public:
+	/**
+	 * Called when the USB OTG/Host components reports
+	 * new message arrival
+	 *
+	 * @param aMessage The last message code detected
+	 */
+	virtual void UsbOtgHostMessage(TInt aMessage) = 0;
+
+	/**
+	 * Called when the USB Host state has changed
+	 *
+	 * @param aDevInfo The last device info 
+	 */
+	virtual void UsbHostEvent(TDeviceEventInformation& aDevInfo) = 0;
+	};
+
+#endif