--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintUI/imageprinteng/inc/midleprinteventobserver.h	Thu Dec 17 08:45:53 2009 +0200
@@ -0,0 +1,71 @@
+/*
+* Copyright (c) 2004-2007 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:  
+*
+*/
+
+
+#ifndef MIDLEPRINTEVENTOBSERVER_H
+#define MIDLEPRINTEVENTOBSERVER_H
+
+#include <e32def.h>
+#include <e32std.h>
+
+enum TImgPrintUSBState
+	{
+	EUSBUndefined = 0,
+	EUSBConnected,
+    ENOUSBEvent
+	};
+
+//  CLASS DEFINITION
+/**
+ *
+ * Interface to notify UI about idle state events
+ *
+ */
+class MIdlePrintEventObserver
+    {	
+	public:		// Abstract methods
+
+       /**
+        *  Called when usb printer is disconnected
+        */
+        virtual void UsbPrinterDisconnected() = 0;           
+
+	   /**
+        *  Called when usb printer is connected
+        */
+        virtual void UsbPrinterConnected() = 0;
+
+		/**
+		* Notifies about USB state changes. Method is also used for other events
+        * @param aState information about usb state
+		*/ 
+		virtual void UsbStateChanged( TImgPrintUSBState aState, TInt aError ) = 0;
+
+		virtual void ReadyToContinue() = 0;
+		
+		/**
+		 * Notifies that there's happened an asynchronous leave in server process,
+		 * which in practice means that any ongoing printing should be cancelled
+		 *
+		 * @param aError leave code
+		 */
+		virtual void AsynchronousServerLeave( TInt aError ) = 0;
+    };
+
+#endif // MIDLEPRINTEVENTOBSERVER_H
+
+//  End of File