--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bluetoothengine/btserviceutil/inc/basicdevdiscoverer.h	Tue Aug 31 15:25:10 2010 +0300
@@ -0,0 +1,160 @@
+/*
+* 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 BASICDEVDISCOVERER_H
+#define BASICDEVDISCOVERER_H
+
+#include <btdevice.h>
+#include <bt_sock.h>
+#include <btservices/btsimpleactive.h>
+
+class MDevDiscoveryObserver;
+
+class CDeviceSearchRecord : public CBase
+    {
+public:
+    TInquirySockAddr iAddr;
+    TBTDeviceName iName;
+    };
+
+/**
+* A basic implementation for searching nearby Bluetooth devices.
+*/
+NONSHARABLE_CLASS(CBasicDevDiscoverer) : public CBase, public MBtSimpleActiveObserver
+    {
+public:
+
+    /**
+     * factory method
+     */
+    static CBasicDevDiscoverer* NewL( MDevDiscoveryObserver& aObserver );
+    
+    /**
+    * Destructor.
+    */
+    virtual ~CBasicDevDiscoverer();
+    
+    /**
+     * 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 
+    * MDevDiscoveryObserver::HandleNextDiscoveryResult().
+    * 
+    * When no device can be found any more, 
+    * MDevDiscoveryObserver::HandleDiscoveryCompleted() will be issued.
+    * 
+    * @param aDeviceClass the major device class device must match.
+    */
+    void DiscoverDeviceL( TBTMajorDeviceClass aDeviceClass  = EMajorDeviceMisc );
+    
+private: // 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.
+    */
+    CBasicDevDiscoverer( MDevDiscoveryObserver& aObserver );
+    
+    /**
+    * The 2nd phase constructor
+    */
+    void ConstructL();
+
+    /*
+     * retrieves the device name of the device pointed by 
+     * iPagingNamePos to local array.
+     */
+    void PageNextDeviceName();
+    
+    /**
+     * Performs the result from an inquiry operation.
+     */
+    TInt HandleInquiryResultL();
+    
+    /**
+     * Create a heap object of CDeviceSearchRecord.
+     */
+    CDeviceSearchRecord* NewInstanceL( 
+        const TInquirySockAddr& aAddr, const TDesC& aName = KNullDesC );
+
+    /**
+     * resets the state and memory caused by a client request.
+     */
+    void Reset();
+    
+private:  // Data
+
+    // Not own
+    MDevDiscoveryObserver& iObserver; 
+    
+    // The major device class filter from the client.
+    TBTMajorDeviceClass iMajorDeviceClassFilter;
+    
+    // For inquiry and paging names:
+    CBtSimpleActive* iActive;
+
+    RSocketServ iSocketServer;
+    RHostResolver iHostResolver;
+    TInquirySockAddr iInquirySockAddr;
+    TNameEntry iEntry; // Inquiry result record
+    
+    // Devices found so far
+    RPointerArray<CDeviceSearchRecord> iDevices;
+    
+    // position in array iDevices: the item the current name paging operation is for
+    TInt iPagingNamePos;
+
+    };
+
+#endif
+
+// End of File