diff -r 000000000000 -r 845549f293a7 voicerecorder/RecViewSrc/CVRUSBEventHandler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/voicerecorder/RecViewSrc/CVRUSBEventHandler.h	Thu Dec 17 08:46:57 2009 +0200
@@ -0,0 +1,116 @@
+/*
+* Copyright (c) 2002-2006 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:  An active object class that is used to receive
+*  phone call related events from PS API and forward them
+*  to an MVRUSBEventObserver instance.
+*
+*
+*/
+
+
+
+#ifndef __CVRUSBEVENTHANDLER_H
+#define __CVRUSBEVENTHANDLER_H
+
+// INCLUDES
+#include <e32base.h>
+#include <e32property.h>
+
+// FORWARD DECLARATIONS
+class MVRUSBEventObserver;
+
+// CLASS DECLARATION
+
+/**
+*  An active object class that is used to receive
+*  phone call related events from RUSBAgent and forward them
+*  to an MVRUSBEventObserver instance.
+*/
+NONSHARABLE_CLASS( CVRUSBEventHandler ): public CActive
+    {
+    public:  // Constructors and destructor
+
+        /**
+        * Two-phased constructor.
+		* @return A pointer to fully constructed instance of CVRUSBEventHandler
+        */
+        static CVRUSBEventHandler* NewL();
+
+        /**
+        * Destructor.
+        */
+        virtual ~CVRUSBEventHandler();
+
+    public: // New functions
+		/**
+		* Get the current state of any pubsub key
+		* @param aUid The UID of the PS category
+		* @param aKey The id identifying the PS key
+		* @return The value of the state variable
+		*/
+		TInt StateL( TUid aUid, TUint aKey );
+
+		/**
+		* Start listening to USB events
+		* @param aUid The UID identifying the USB agent's state variable
+		* @param aObserver The observer who will be notified of events
+		*/
+		void Listen( TUid aUid, TUint aKey, MVRUSBEventObserver* aObserver );
+
+    public: // from CActive
+
+		/**
+		* When this method is called, an event has been received.
+		* Notify the observer.
+		*/
+        void RunL();
+
+		/**
+		* Cancel the request for event notifications.
+		*/
+		void DoCancel();
+
+    private:
+
+		/**
+		* Ask USB agent to notify us about events
+		*/
+		void IssueRequest();
+
+        /**
+        * Default constructor.
+        */
+        CVRUSBEventHandler();
+
+        /**
+        * 2nd phase constructor.
+        */
+        void ConstructL();
+
+    private:    // Data
+
+		/**
+		* For observing the USB events
+		*/
+		RProperty iProperty;
+
+        /**
+        * Pointer to the observer. Not owned.
+        */
+		MVRUSBEventObserver* iObserver;
+    };
+
+#endif      // __CVRUSBEVENTHANDLER_H
+
+// End of File