--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbotgwatcher/inc/cusbmessagenotificationobserver.h	Fri Jun 04 10:27:39 2010 +0100
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2008 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:  Observes notifications from usb
+ *
+ */
+
+#ifndef C_USBMESSAGENOTIFICATIONOBSERVER_H
+#define C_USBMESSAGENOTIFICATIONOBSERVER_H
+
+#include <e32base.h>
+#include <e32property.h>
+#include <usbotgdefs.h>
+
+class RUsb;
+
+/**
+ * Class implements functionality of showing/blinking usb indicator
+ * Class does not provide method to get response from the user
+ */
+NONSHARABLE_CLASS( MUsbMessageNotificationObserver)
+    {
+public:
+
+    /**
+     * Call back on message notification
+     * @param aMessage Message id
+     */
+    virtual void MessageNotificationReceivedL(TInt aMessage) = 0;
+
+    /**
+     * Called when BadHubPosition error happen
+     */
+    virtual void BadHubPositionL() = 0;
+
+    /**
+     * Callen if VBus error happen
+     */
+    virtual void VBusErrorL() = 0;
+
+    /**
+     * Called when SRP request received
+     */
+    virtual void SrpReceivedL() = 0;
+
+    /**
+     * Called when session requested
+     */
+    virtual void SessionRequestedL() = 0;
+
+    /**
+     * Called when error happened
+     * @param aError error code
+     */
+    virtual void MessageNotificationErrorL(TInt aError) = 0;
+    };
+
+/**
+ *  Class observes USB Notifications
+ *
+ */
+NONSHARABLE_CLASS( CUsbMessageNotificationObserver ) : public CActive
+    {
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aUsb usbman
+     */
+    static CUsbMessageNotificationObserver* NewL(RUsb* aUsb);
+
+    /**
+     * Destructor.
+     */
+    virtual ~CUsbMessageNotificationObserver();
+
+    /**
+     * Subscribes for notifications
+     * @param aObserver observer
+     */
+    void SubscribeL(MUsbMessageNotificationObserver& aObserver);
+
+    /**
+     * Unsubscribe from notifications
+     * @param aObserver Observer
+     */
+    void UnsubscribeL(MUsbMessageNotificationObserver& aObserver);
+
+private:
+
+    // From CActive
+    /**
+     * Called by framework when outstanding request completed
+     *
+     */
+    void RunL();
+
+    /**
+     * Called when outstanding request camcelled
+     *
+     */
+    void DoCancel();
+
+    /**
+     * Called when RunL leaves
+     *
+     * @param aError error id
+     * @return error id 
+     */
+    TInt RunError(TInt aError);
+
+private:
+
+    /**
+     * Default constructor
+     * @param aUsb usbman
+     */
+    CUsbMessageNotificationObserver(RUsb* aUsb);
+
+    /**
+     * Second phase construction
+     */
+    void ConstructL();
+
+private:
+    // data
+
+    /**
+     * The observer reports to own observers
+     * Not owns
+     */
+    RPointerArray<MUsbMessageNotificationObserver> iObservers;
+
+    /**
+     * Notifications come from USB
+     * Not own
+     */
+    RUsb* iUsb;
+
+    /**
+     * Info from notification comes to this member
+     */
+    TInt iMessage;
+
+    };
+
+#endif //  C_USBMESSAGENOTIFICATIONOBSERVER_H