diff -r 000000000000 -r a2952bb97e68 mmappcomponents/harvester/server/inc/mpxusbeventhandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mmappcomponents/harvester/server/inc/mpxusbeventhandler.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,123 @@
+/*
+* 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:  Monitors USB events
+*
+*/
+
+
+#ifndef CMPXUSBEVENTHANDLER_H
+#define CMPXUSBEVENTHANDLER_H
+
+#include <usbman.h>
+#include <mpxpskeyobserver.h>
+#include "mpxsystemeventobserver.h"
+
+class CMPXPSKeyWatcher;
+
+/**
+ *  USB Monitoring class
+ *
+ *  @lib mpxharvesterserver.exe
+ *  @since S60 3.0
+ */
+NONSHARABLE_CLASS( CMPXUsbEventHandler ) : public CActive,
+                                           public MMPXPSKeyObserver
+    {
+public:
+
+    /**
+    * Two-phase constructor
+    * @param aObserver observer to the event handler
+    */
+    static CMPXUsbEventHandler* NewL( MMPXSystemEventObserver& aObserver );
+
+    /**
+    * Two-phase constructor
+    * @param aObserver observer to the event handler
+    */
+    static CMPXUsbEventHandler* NewLC( MMPXSystemEventObserver& aObserver );
+
+    /**
+    * Virtual destructor
+    */
+    virtual ~CMPXUsbEventHandler();
+
+public:
+
+    /**
+    * Polls for the current monitor status
+    * If an event is happening, it will callback the observer of the event
+    */
+    void PollStatus();
+
+protected: // From Base Class
+
+    /**
+    * From CActive
+    */
+    void RunL();
+    void DoCancel();
+
+    /**
+    * From MMPXPSKeyObserver
+    */
+    void HandlePSEvent( TUid aUid, TInt aKey );
+
+private: // New Methods
+
+    /**
+    * Handle the PS Key event
+    * @param aUid UID of the key
+    * @param aKey ID of the key
+    */
+    void DoHandlePSEventL( TUid aUid, TInt aKey );
+    
+    /**
+     * Connect to usbman.
+     * If error, default iDeviceState to EUsbDeviceStateConfigured so this would not
+     * block usb event mode change.
+     */
+    void ConnectUsbMan();
+
+private:
+
+    /**
+    *  C++ constructor
+    */
+    CMPXUsbEventHandler( MMPXSystemEventObserver& aObserver );
+
+    /*
+    * Second phased constructor
+    */
+    void ConstructL();
+
+private: // data
+
+    CMPXPSKeyWatcher*  iPSKeyWatcher;  // PS key watcher for USB PS key
+    CMPXPSKeyWatcher*  iMTPKeyWatcher; // PS key watcher for MTP PS key
+    TBool              iWasMtp;        // Was the operation Mass Storage or MTP
+
+    /*
+    * Observer interface to callback to an observer
+    */
+    MMPXSystemEventObserver& iObserver;
+    TInt iState;
+    TBool iMTPActive;
+    
+    RUsb            iUsbMan;
+    TUsbDeviceState iDeviceState;
+    TBool           iUsbManConnected;
+    };
+
+#endif // CMPXUSBEVENTHANDLER_H