examples/QtQuick/bluetoothex/devicediscoverer.h

/*
 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
 *    
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *    
 *  * Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of Nokia Corporation nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *    
 *    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *    AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *    IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 *    FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 *    DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 *    SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 *    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 *    OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 *    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *    
 *    Description:  
 */

#ifndef DEVICEDISCOVERER_H
#define DEVICEDISCOVERER_H

// INCLUDES
#include <e32base.h>
#include <es_sock.h>
#include <btdevice.h>
#include <bt_sock.h>
#include <btsdp.h>

#include "common.h"


class MDeviceDiscoObserver
{

public:
    virtual void HandleDeviceDiscoveryComplete(TInt aError)=0;
    
    virtual void DeviceDiscovered(const TDeviceData& aDevice)=0;
};


class CDeviceDiscoverer : public CActive
{
public:
     
    static CDeviceDiscoverer* NewL(RSocketServ& aSocketServ,
        MDeviceDiscoObserver& aObserver);
        
    static CDeviceDiscoverer* NewLC(RSocketServ& aSocketServ,
        MDeviceDiscoObserver& aObserver);

    ~CDeviceDiscoverer();

    void DiscoverDevicesL(TDeviceDataList* aDevDataList);

    TBool HasDevices();
    
    void StopDiscovery();

protected:

    void RunL();

    void DoCancel();


private:

    CDeviceDiscoverer(RSocketServ& aSocketServ,
        MDeviceDiscoObserver& aObserver);

    void ConstructL();

private: //data

    // socket server handle
    RSocketServ& iSocketServ;
    // observer reference
    MDeviceDiscoObserver& iObserver;
    // device data list, to be filled by resolver results
    TDeviceDataList *iDevDataList;
    // host resolver
    RHostResolver iResolver;
    TInquirySockAddr iAddr;
    TNameEntry iEntry;
};

#endif

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