diff -r 0ba996a9b75d -r 613943a21004 bluetoothengine/btserviceutil/inc/advancedevdiscovererimpl.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btserviceutil/inc/advancedevdiscovererimpl.h	Tue Aug 31 15:25:10 2010 +0300
@@ -0,0 +1,176 @@
+/*
+* Copyright (c) 2010 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:  Declares Bluetooth device inquiry helper class.
+*
+*/
+
+#ifndef ADVANCEDEVDISCOVERERIMPL_H
+#define ADVANCEDEVDISCOVERERIMPL_H
+
+#include <btservices/devdiscoveryobserver.h>
+
+#include <btservices/btsimpleactive.h>
+#include <btservices/advancedevdiscoverer.h>
+
+class CBasicDevDiscoverer;
+class CBtDevRepository;
+class CBtDevExtension;
+
+/**
+* A helper class for searching nearby Bluetooth devices.
+*/
+NONSHARABLE_CLASS(CAdvanceDevDiscovererImpl) : public CBase, 
+        public MDevDiscoveryObserver,
+        public MBtSimpleActiveObserver
+    {
+public:
+    /**
+     * instantiator
+     */
+    static CAdvanceDevDiscovererImpl* NewL( 
+            CBtDevRepository& aDevRep,
+            MDevDiscoveryObserver& aObserver );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CAdvanceDevDiscovererImpl();
+    
+    /**
+     * sets the inquiry result observer.
+     * 
+     * @param aObserver the new observer to receive inquiry results
+     */
+    void SetObserver( MDevDiscoveryObserver& aObserver );
+    
+    /**
+    * Cancels all inquiry activity.
+    */
+    void Cancel();
+    
+    /**
+    * Discover currently in-range devices that matches the given major device class type.
+    * Found devices will be informed by 
+    * MBtAdvanceDevDiscoveryObserver::HandleNextDiscoveryResult().
+    * 
+    * When no more device can be found, 
+    * MBtAdvanceDevDiscoveryObserver::HandleDiscoveryCompleted() will be issued.
+    * 
+    * @param aFilter the filter that shall be applied when a device 
+    *        is discovered. If this is specified, only a device passing 
+    *        the filter will be informed to client. 
+    * 
+    * @param aDeviceClass the major device class which a found device 
+    *        must match. 
+    */
+    void DiscoverDeviceL(
+            CAdvanceDevDiscoverer::TDevDiscoveryFilter aFilter, 
+            TBTMajorDeviceClass aDeviceClass );
+    
+    /**
+    * Discover currently in-range devices that match the given major device class.
+    * The devices in the given priority list have higher priority to 
+    * be discovered, i.e., inquiry on these devices will take place first.
+    * 
+    * Found devices will be informed by 
+    * MDevDiscoveryObserver::HandleNextDiscoveryResult().
+    * 
+    * When no more device can be found, 
+    * MDevDiscoveryObserver::HandleDiscoveryCompleted() will be issued.
+    * 
+    * @param aPriorityList contains the devices to be discovered first
+    */
+    void DiscoverDeviceL(
+            const RBTDevAddrArray& aPriorityList );
+    
+private: 
+    
+    // from MDevDiscoveryObserver
+    
+    /**
+     * Callback to notify that a device has been found.
+     *
+     * @param aAddr the inquiry address that contains the inquiry information
+     *  of the found device.
+     * @param aName the Bluetooth device name of the found device
+     */
+    void HandleNextDiscoveryResultL( 
+            const TInquirySockAddr& aAddr, const TDesC& aName );
+    
+    /**
+     * Callback to notify that the device search has completed.
+     *
+     * @param aErr the error code of device search result.
+     */
+    void HandleDiscoveryCompleted( TInt aErr );
+
+    // from MBtSimpleActiveObserver
+       
+    /**
+    * Callback to notify that an outstanding request has completed.
+    *
+    * @param aActive Pointer to the active object that completed.
+    * @param aStatus The status of the completed request.
+    */
+    void RequestCompletedL( CBtSimpleActive* aActive, TInt aStatus );
+    
+    /**
+    * Callback for handling cancelation of an outstanding request.
+    *
+    * @param aId The ID that identifies the outstanding request.
+    */
+    void CancelRequest( TInt aId );
+    
+    /**
+    * Callback to notify that an error has occurred in RunL.
+    *
+    * @param aActive Pointer to the active object that completed.
+    * @param aError The error occurred in RunL.
+    */
+    void HandleError( CBtSimpleActive* aActive, TInt aError );
+    
+private:
+    
+    /**
+    * C++ default constructor.
+    */
+    CAdvanceDevDiscovererImpl( 
+            CBtDevRepository& aDevRep,
+            MDevDiscoveryObserver& aObserver );
+    
+    /**
+    * The 2nd phase constructor
+    */
+    void ConstructL();
+
+private:  // Data
+    
+    // for retrieving device properties
+    // Not own
+    CBtDevRepository& iDevRep;
+    
+    // our client
+    // Not own
+    MDevDiscoveryObserver& iObserver;
+    
+    // The class doing actual inquirying
+    CBasicDevDiscoverer* iBasicDiscoverer;
+    
+    // filters from CAdvanceDevDiscoverer::TDevDiscoveryFilter
+    TInt iFilter;
+    };
+
+#endif
+
+// End of File