diff -r 159fc2f68139 -r d59c248c9d36 ImagePrint/ImagePrintEngine/DeviceProtocols/btprotocol/inc/crsbtdiscoverengine.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ImagePrint/ImagePrintEngine/DeviceProtocols/btprotocol/inc/crsbtdiscoverengine.h	Wed Sep 01 12:30:38 2010 +0100
@@ -0,0 +1,131 @@
+/*
+* 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:  Contains the CRsBtDiscoverEngine class definition and its observer
+* 	 		     definition (MBtDiscoveryObserver).
+*
+*/
+
+
+#ifndef CRSBTDISCOVERENGINE_H
+#define CRSBTDISCOVERENGINE_H
+
+#include <e32base.h>
+#include <f32file.h>
+#include <bttypes.h>
+
+#include "imageprint.h"
+#include "cbttimer.h"
+
+class CBtDiscover;
+class CRsBtDevice;
+class CBtDeviceContainer;
+
+#define KMaxDaysForCachedDevice 30
+
+
+/**
+  * \brief Observer interface for device discovery or SDP events.
+  *
+  * The class which owns the CRsBtDiscoverEngine object implements this interface to get
+  * asynchronous notifications of Bluetooth device discovery or Service Discovery Protocol
+  * events.
+  */
+class MBtDiscoveryObserver
+	{
+		public:
+			// the values in this enum are subject to change as need crops up
+			// the granularity of feedback should be enough to meet UI needs
+
+			enum TEvent
+			{
+				EFoundBtPrinter,
+				ERemoveBtPrinter,
+				EDoneFindingPrinters,
+				EErrorDuringDiscover,
+				EErrorFindingDevice,
+				EErrorVerifyingBt
+			};
+		public:
+			virtual void HandleDiscoveryEvent(TInt aEvent,TInt aErrorCode)=0;
+	};
+
+/**
+  * \brief Brief Description
+  *
+  * Detailed Description
+  */
+NONSHARABLE_CLASS( CRsBtDiscoverEngine ): public CActive, public MBtTimerObserver
+	{
+		public:
+			CRsBtDevice& GetDevice();
+			~CRsBtDiscoverEngine();
+			
+			static CRsBtDiscoverEngine* NewL(MBtDiscoveryObserver& aObs);
+			void Start(TUint aRequestedProtocols);
+			void Stop();
+			
+		protected:	// from CActive
+			void DoCancel();
+			void RunL();
+			TInt RunError(TInt aError);
+
+		protected:	// from MBtTimerObserver
+			void HandleTimeoutL();
+
+		private:
+
+			CRsBtDiscoverEngine(MBtDiscoveryObserver& aObs);
+			void ConstructL();
+
+			void StartDiscovery();
+			void ContinueDiscovery();
+			
+			TBool ComposeDeviceL();
+			void ResetDevice();
+			
+			TBool CheckBtDevice();
+			
+			void ServiceDiscoveryL();
+			void StopServiceDiscovery();
+		
+		private:
+
+			enum TState
+				{
+				EFindingDevices,
+				EGettingServices,
+				EDelayFindDevices
+				};
+
+		private:
+		
+			/// State we are currently on ESendingCached, EFindingDevices, ERemovingStale, EVerifyServices, EDelayFindDevices.
+			TState iState;
+			/// This Object implements the Bluetooth Discovery system calls.
+			CBtDiscover *iDiscover;
+			/// Discovery Events observer.
+			MBtDiscoveryObserver& iObserver;
+			/// Indicates the position of the current device.
+			CRsBtDevice* iDevice;
+			
+			RArray<TBTDevAddr> iFoundBeforeArray;
+			RTimer iDelayFindDevices;
+			/// Bitmask of the protocols requested for printing.
+			TUint  iRequestedProtocols;
+			CBtTimer* iTimeout;
+	};
+
+#endif // CRSBTDISCOVERENGINE_H
+
+//  End of File