// Copyright (c) 2005-2009 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:

// Name          : ResponseQueue.cpp

// Part of       : Transaction

// Version       : SIP/4.0 

//

#include "SipAssert.h"

#include "sipresponse.h"

#include "ResponseQueue.h"

#include "ResponseQueueItem.h"

// -----------------------------------------------------------------------------

// CResponseQueue::NewL

// -----------------------------------------------------------------------------

//

CResponseQueue* CResponseQueue::NewL()

	{

	return new (ELeave) CResponseQueue();

	}

// -----------------------------------------------------------------------------

// CResponseQueue::CResponseQueue

// -----------------------------------------------------------------------------

//

CResponseQueue::CResponseQueue()

#ifdef CPPUNIT_TEST

    //For unit tests the granularity of arrays is set to 1 to cause them to

    //allocate memory every time an item is appended to array

    : iQueue(1)

#endif

    {

    }

// -----------------------------------------------------------------------------

// CResponseQueue::~CResponseQueue

// -----------------------------------------------------------------------------

//

CResponseQueue::~CResponseQueue()

	{

	iQueue.ResetAndDestroy();

	}

// -----------------------------------------------------------------------------

// CResponseQueue::Add

// -----------------------------------------------------------------------------

//

TInt CResponseQueue::Add(CResponseQueueItem* aRespItem)

	{	

	if (!aRespItem)

        {

        return KErrArgument;

        }

	TInt status = iQueue.Append(aRespItem);

	if (status == KErrNone)

		{

		//Ownership of the SIP response is passed to aRespItem

		aRespItem->SetResponseOwnership(ETrue);

		}

	return status;

	}

// -----------------------------------------------------------------------------

// CResponseQueue::GetNext

// -----------------------------------------------------------------------------

//

CResponseQueueItem* CResponseQueue::GetNext()

	{

	if (iQueue.Count() > 0)

		{

		CResponseQueueItem* respItem = iQueue[0];

		__ASSERT_DEBUG(respItem,

			User::Panic(_L("CRespQueue::GetNext() respItem = 0"), KErrNotFound));

		iQueue.Remove(0);

		return respItem;

		}

	return NULL;

	}