diff -r 000000000000 -r 1e05558e2206 usbengines/usbwatcher/inc/cusbglobalsystemstateobserver.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbwatcher/inc/cusbglobalsystemstateobserver.h	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,60 @@
+/*
+* Copyright (c) 2007-2009 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:  Header of CUsbGlobalSystemStateObserver
+*
+*/
+
+
+#ifndef CUSBGLOBALSYSTEMSTATEOBSERVER_H
+#define CUSBGLOBALSYSTEMSTATEOBSERVER_H
+
+#include <e32std.h>
+#include <e32base.h>
+#include <e32property.h>
+
+class CUsbWatcher;
+
+NONSHARABLE_CLASS( CUsbGlobalSystemStateObserver ) : public CActive
+{
+public:
+    static CUsbGlobalSystemStateObserver* NewL( CUsbWatcher& aUsbWatcher );
+    static CUsbGlobalSystemStateObserver* NewLC( CUsbWatcher& aUsbWatcher );
+    void Subscribe();
+    virtual ~CUsbGlobalSystemStateObserver();
+
+    /**
+     * Read and return global system state
+     * 
+     * @since Series 60 3.2
+     * @return systemstate
+     */
+    static TInt GlobalSystemState();
+
+private: // From base class
+    void RunL();
+    TInt RunError( TInt aError );
+    void DoCancel();
+        
+private:
+    CUsbGlobalSystemStateObserver( CUsbWatcher& aUsbWatcher );
+    void ConstructL();
+
+private: // data
+    RProperty iProperty;
+    CUsbWatcher& iUsbWatcher;
+};
+
+#endif // CUSBGLOBALSYSTEMSTATEOBSERVER_H
+
+// End of file