examples/ForumNokia/BluetoothPMPExample/inc/DeviceDiscoverer.h

00001 /*
00002  * Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
00003  *    
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions are met:
00006  *    
00007  *  * Redistributions of source code must retain the above copyright notice, this
00008  *    list of conditions and the following disclaimer.
00009  *  * Redistributions in binary form must reproduce the above copyright notice,
00010  *    this list of conditions and the following disclaimer in the documentation
00011  *    and/or other materials provided with the distribution.
00012  *  * Neither the name of Nokia Corporation nor the names of its contributors
00013  *    may be used to endorse or promote products derived from this software
00014  *    without specific prior written permission.
00015  *    
00016  *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017  *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018  *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019  *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00020  *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00021  *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00022  *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00023  *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00024  *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00025  *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026  *    
00027  *    Description:  
00028  */
00029 
00030 #ifndef DEVICEDISCOVERER_H
00031 #define DEVICEDISCOVERER_H
00032 
00033 // INCLUDES
00034 #include <e32base.h>
00035 #include <aknviewappui.h> 
00036 
00037 #include <coecntrl.h>
00038 #include <es_sock.h>
00039 #include <btdevice.h>
00040 #include <bt_sock.h>
00041 #include <btsdp.h>
00042 
00043 #include "Common.h"
00044 
00045 
00046 class MDeviceDiscoObserver
00047 {
00048 
00049 public:
00055     virtual void HandleDeviceDiscoveryComplete(TInt aError)=0;
00056     
00062     virtual void DeviceDiscovered(const TDeviceData& aDevice)=0;
00063 };
00064 
00065 
00066 class CDeviceDiscoverer : public CActive
00067 {
00068 public:
00069      
00076     static CDeviceDiscoverer* NewL(RSocketServ& aSocketServ,
00077         MDeviceDiscoObserver& aObserver);
00078         
00083     static CDeviceDiscoverer* NewLC(RSocketServ& aSocketServ,
00084         MDeviceDiscoObserver& aObserver);
00085 
00091     ~CDeviceDiscoverer();
00092 
00100     void DiscoverDevicesL(TDeviceDataList* aDevDataList);
00101 
00109     TBool HasDevices();
00110 
00111 
00112 #ifdef ENABLE_LIAC
00113 
00119     void SetLIAC( TBool aState );
00120 #endif
00121 
00128     void StopDiscovery();
00129 
00130 protected:
00131 
00137     void RunL();
00138 
00144     void DoCancel();
00145 
00146 
00147 private:
00148 
00156     CDeviceDiscoverer(RSocketServ& aSocketServ,
00157         MDeviceDiscoObserver& aObserver);
00158 
00163     void ConstructL();
00164 
00165 private: //data
00166 
00167     // socket server handle
00168     RSocketServ& iSocketServ;
00169     // observer reference
00170     MDeviceDiscoObserver& iObserver;
00171     // device data list, to be filled by resolver results
00172     TDeviceDataList *iDevDataList;
00173     // host resolver
00174     RHostResolver iResolver;
00175     TInquirySockAddr iAddr;
00176     TNameEntry iEntry;
00177 
00178 #ifdef ENABLE_LIAC
00179     TBool iLIAC;
00180 #endif
00181 
00182 };
00183 
00184 #endif

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