examples/ForumNokia/ThreadAndActiveObjectsEx/inc/btdiscoverer.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 __BT_DISCOVERER_H__
#define __BT_DISCOVERER_H__

//INCLUDES
#include <e32base.h>
#include <btsdp.h> 
#include <e32std.h>
#include <btextnotifiers.h> // TBTDeviceResponseParamsPckg
#include <bt_sock.h>
#include <BTDevice.h>
#include <es_sock.h> //RHostResolver
#include <badesca.h>


const TInt KBTDeviceLength = 40;
const TInt KBTDeviceAddress = 40; 

// FORWARD DECLARATIONS
class CSharedIntermediator;

// CLASS DECLARATION

class CBTDiscoverer: public CActive
        {
public:
        
    static CBTDiscoverer* NewL(CSharedIntermediator* aSMediator);
    
    static CBTDiscoverer* NewLC(CSharedIntermediator* aSMediator);

        ~CBTDiscoverer();
        
   // From CActive
   void RunL();
   TInt RunError(TInt aError);
   void DoCancel();

   void StartDiscoveringDevicesL();

   void RefreshDevices();
    
   CArrayPtrFlat< HBufC >* GetNames();

   CArrayPtrFlat< HBufC >* GetDeviceAddress();

private: // Basic two-phase Symbian OS constructors

        CBTDiscoverer(CSharedIntermediator* aSMediator);

        void ConstructL();
        
private: //functions

        void PushListL(TNameEntry& aNameEntry); 

        void TransformSockAddressL(TInquirySockAddr& aInquirySockAddr);
        
private: // member data

        // Socket addresses
        RArray<TInquirySockAddr> iInqSockAddrArray; 

        // BT addresses in format XX-XX-XX-XX-XX-XX  
        CArrayPtrFlat< HBufC >* iDeviceAddress;

        // Device names
        CArrayPtrFlat< HBufC >* iDeviceNames;
        
        // Handle to the socket server 
        RSocketServ iSocketServer; 

        // Provides an interface to host name resolution services
        RHostResolver iHostResolver; 

        // Socket address class used for remote device inquiries
        TInquirySockAddr iSockAddr; 

        // Contains the results of name queries.
        TNameEntry iNameEntry; 

        // Shared class that transmits data between main thread and thread one
        CSharedIntermediator* iSMediator;
        };

#endif // __BT_DISCOVERER_H__ 

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