// Copyright (c) 2004-2009 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:

//

#include "panhelperdevicediscoverer.h"

using namespace PanHelper;

CPanHelperDeviceDiscoverer* CPanHelperDeviceDiscoverer::NewL()

/**

Return a newly constructed device discoverer

*/

	{

	CPanHelperDeviceDiscoverer* self = new (ELeave) CPanHelperDeviceDiscoverer;

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CPanHelperDeviceDiscoverer::~CPanHelperDeviceDiscoverer()

/**

Clean up

*/

	{

	iDeviceAddresses.Close();

	iHostResolver.Close();

	iSockServ.Close();

	}

void CPanHelperDeviceDiscoverer::RunL()

/**

Found a new device

*/

	{

	if(iStatus==KErrNone)

		{

		TBTDevAddr newDevAddr(static_cast<TInquirySockAddr>(iNameEntry().iAddr).BTAddr());

		TInt index = iDeviceAddresses.Find(newDevAddr);

		if(index != KErrNotFound)

			{

			TPckg<TBTDevAddr> devAddrBuf(iDeviceAddresses[index]);

			iRemDevAddrBuf->Copy(devAddrBuf);

			User::RequestComplete(iClientStatus, KErrNone);	

			Cancel();

			}

		else 

			{

			iHostResolver.Next(iNameEntry, iStatus);

			SetActive();

			}

		}

	else

		{

		User::RequestComplete(iClientStatus, iStatus.Int());

		Cancel();	

		}

	}

void CPanHelperDeviceDiscoverer::DoCancel()

/**

Cancel HostResolver

*/

	{

	iHostResolver.Cancel();

	}

void CPanHelperDeviceDiscoverer::FindDevice(TDesC& aDeviceAddrList, TDes8& aDeviceAddr, TRequestStatus& aStatus)

/**

Start a generic inquiry

*/

	{

	iRemDevAddrBuf = (TPckgBuf<TBTDevAddr>*) &aDeviceAddr;

	iClientStatus = &aStatus;

	ConvertListToArray(aDeviceAddrList);

	iHostResolver.GetByAddress(iInquiryAddr, iNameEntry, iStatus);

	SetActive();

	}

void CPanHelperDeviceDiscoverer::CancelFindDevice()

/**

Cancel

*/

	{

	Cancel();

	User::RequestComplete(iClientStatus, KErrCancel);

	}

CPanHelperDeviceDiscoverer::CPanHelperDeviceDiscoverer() :

	CActive(EPriorityStandard)

/**

Constructor

*/

	{

	CActiveScheduler::Add(this);

	iInquiryAddr.SetIAC(KGIAC);

	iInquiryAddr.SetAction(KHostResInquiry); // don't need device names here

	}

void CPanHelperDeviceDiscoverer::ConstructL()

/**

Initialise

*/

	{

	User::LeaveIfError(iSockServ.Connect());

	User::LeaveIfError(iHostResolver.Open(iSockServ, KBTAddrFamily, KBTLinkManager));

	}

void CPanHelperDeviceDiscoverer::ConvertListToArray(TDesC& aDeviceAddrList)

/**

Put the comma-separated list of readable BT device addresses into an array

*/

	{

	TBTDevAddr devAddr;

	TLex lex(aDeviceAddrList);

	TChar charComma(KCharComma);	// this weird construct is needed to prevent us needing static data

	while(lex.Peek()!=charComma && !lex.Eos())

	{

		lex.Mark();

		while((lex.Get()!=charComma) && !lex.Eos())

			{

			}

		devAddr.SetReadable(lex.MarkedToken());

		// This is a best efforst service.  If we can't add the address

		// to our search list we'll just continue with the ones we could.

		(void)iDeviceAddresses.Append(devAddr);

		}

	}