--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbwatcher/inc/tusbindicatorhandler.h Tue Feb 02 00:52:37 2010 +0200
@@ -0,0 +1,82 @@
+/*
+* Copyright (c) 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 file for class TUsbIndicatorHandler
+*
+*/
+
+
+#ifndef TUSBINDICATORHANDLER_H
+#define TUSBINDICATORHANDLER_H
+
+#include <bldvariant.hrh>
+#include <usbstates.h>
+
+
+/**
+* USB indicator handler class for device side.
+*
+* This class shows USB indicator when device state changes to Configured,
+* and hides USB indicator when device leaves Configured state. Suspended
+ * state does not change the indicator.
+*
+* @since TB9.2
+*/
+NONSHARABLE_CLASS( TUsbIndicatorHandler )
+ {
+
+public:
+ /**
+ * Constructor
+ */
+ TUsbIndicatorHandler();
+
+ /**
+ * Set USB indicator (On/Off, maybe more in future) according to
+ * the change of USB device state
+ *
+ * @param aStateOld previous USB device state
+ * @param aStateNew current USB device state
+ */
+ void HandleDeviceStateChange( TUsbDeviceState aStateOld,
+ TUsbDeviceState aStateNew );
+
+private:
+ /**
+ * Show USB indicator (On/Off, maybe more in future)
+ *
+ * @since TB9.2
+ * @param aUsbIndicatorState the state of the indicator, 0: OFF, 1: ON
+ */
+ void ShowUsbIndicator( TInt aUsbIndicatorState );
+
+private:
+ /**
+ * The device state before suspend.
+ * Used to filter out suspend from others;
+ */
+ TUsbDeviceState iDevStateB4Suspend;
+
+ /////////////////////////////////////////////////////////////////////////
+ // Test code
+ friend class CtTUsbIndicatorHandler;
+ TBool iUsbIndicator;
+ //
+ /////////////////////////////////////////////////////////////////////////
+
+ };
+
+
+#endif // TUSBINDICATORHANDLER_H
+
+// End of File