--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintUI/imageprinteng/inc/mdiscoveryobserver.h	Thu Dec 17 08:45:53 2009 +0200
@@ -0,0 +1,83 @@
+/*
+* 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 MDISCOVERYOBSERVER_H
+#define MDISCOVERYOBSERVER_H
+
+#include <e32def.h>
+#include <e32std.h>
+
+/**
+ *
+ * Interface used to notify UI about the found devices and error
+ *
+ */
+class MDiscoveryObserver
+    {
+    public:     // Enumerations
+        
+        enum TPrinterType
+            {
+            EBPP,
+            EMMC,
+            EUSB,
+            EOPP,
+            EWLAN,
+            ENOPRINTER
+            };
+
+	public:		// Abstract methods
+
+        /**
+         *  Notification of new print device
+         *
+         *  @param aText    Textual description of the new print device.
+         *                  Ownership is not transferred
+         *  @param aUid     Uid that is associated with the print device
+         *  @param aCached  Is the printer cached or not?
+         *  @param aType    Type of the printer
+         *  @param aVendor  Printer vendor
+         */
+        virtual void NotifyNewPrintDeviceL( HBufC* aText, TInt aUid, 
+                                           TBool aCached, TPrinterType aType,
+                                           TUint aVendor ) = 0;
+
+        /**
+         *  Notification of error / cancellation of the sequence.
+         *  Device discovery process is cancelled
+         *
+         *  @param aErrCode Error code  
+         */
+        virtual void DiscoveryError( TInt aErrCode ) = 0;
+
+        /**
+         *  Notifies completion of the device discovery.
+         */
+        virtual void DeviceDiscoveryCompleted() = 0;
+
+        /**
+         *  Removes cached printer as it is not found
+         *
+         *  @param aUid     Uid that is associated with the print device
+         */
+        virtual void RemoveCachedPrinterL( TInt aUid ) = 0;
+    };
+
+#endif //  MDISCOVERYOBSERVER_H
+
+//  End of File