// Copyright (c) 2003-2009 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          : SIPInviteClientTransaction.cpp

// Part of       : SIPAPI

// Version       : SIP/5.0

//

#include "sip.h"

#include "SipAssert.h"

#include "transactionassociation.h"

#include "sipinviteclienttransaction.h"

#include "sipstrings.h"

#include "sipstrconsts.h"

#ifdef CPPUNIT_TEST

#include "TestCleanupStack.h"

#undef EXPORT_C

#define EXPORT_C

#endif

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

// CSIPInviteClientTransaction::NewL

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

//

CSIPInviteClientTransaction*

CSIPInviteClientTransaction::NewL(MTransactionAssociation& aAssociation)

    {

    CSIPInviteClientTransaction* self =

        CSIPInviteClientTransaction::NewLC(aAssociation);

    CleanupStack::Pop(self);

    return self;

    }

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

// CSIPInviteClientTransaction::NewLC

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

//

CSIPInviteClientTransaction*

CSIPInviteClientTransaction::NewLC(MTransactionAssociation& aAssociation)

    {

    CSIPInviteClientTransaction* self =

        new (ELeave) CSIPInviteClientTransaction(aAssociation);

    CleanupStack::PushL(self);

    self->ConstructL();

    return self;

    }

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

// CSIPInviteClientTransaction::CSIPInviteClientTransaction

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

//

CSIPInviteClientTransaction::CSIPInviteClientTransaction(

                                     MTransactionAssociation& aAssociation) :

    CSIPClientTransaction(aAssociation, NULL)

#ifdef CPPUNIT_TEST

    , iAssociationArray(1)

#endif

    {

    }

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

// CSIPInviteClientTransaction::ConstructL

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

//

void CSIPInviteClientTransaction::ConstructL()

    {

    iAssociationArray.AppendL(iAssociation);

    CSIPTransactionBase::ConstructL(SIPStrings::StringF(SipStrConsts::EInvite));

    }

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

// CSIPInviteClientTransaction::~CSIPInviteClientTransaction

// RemoveTransaction event is sent to all associations.

// CSIPTransactionBase::iAssociation is set to NULL to prevent

// ~CSIPTransactionBase() from also sending RemoveTransaction.

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

//

EXPORT_C CSIPInviteClientTransaction::~CSIPInviteClientTransaction()

    {

    for (TInt i = 0; i < iAssociationArray.Count(); i++)

        {

        iAssociationArray[i]->RemoveTransaction(*this);

        }

    iAssociationArray.Reset();

    iAssociation = NULL;

    }

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

// CSIPInviteClientTransaction::CancelAllowed

// It is possible to cancel an INVITE client transaction, though it can be done

// only in "proceeding state". This method just indicates whether canceling is

// possible at all, and does not check the current state.

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

//

EXPORT_C TBool CSIPInviteClientTransaction::CancelAllowed() const

    {

    return ETrue;

    }

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

// CSIPInviteClientTransaction::Detach

// iAssociation is set to NULL when the last association is detached. Until that

// happens it is set point one of the associations (does not matter which one).

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

//

void CSIPInviteClientTransaction::Detach(

                                 const MTransactionAssociation& aAssociation)

    {

    TInt pos = iAssociationArray.Find(&aAssociation);

    __ASSERT_DEBUG(pos != KErrNotFound,

		User::Panic(_L("CSIPInviteClientTransaction::Detach() not found"),

		KErrNotFound));

    if (pos != KErrNotFound)

        {

        iAssociationArray.Remove(pos);

        }

    if (iAssociationArray.Count() > 0)

        {

        iAssociation = iAssociationArray[0];

        }

    else

        {

        iAssociation = NULL;

        }

    }

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

// CSIPInviteClientTransaction::AddAssociationL

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

//

void CSIPInviteClientTransaction::AddAssociationL(

                                        MTransactionAssociation& aAssociation)

    {

    __ASSERT_ALWAYS(iAssociationArray.Find(&aAssociation) == KErrNotFound,

        User::Leave(KErrAlreadyExists));

    aAssociation.AddTransactionL(*this);

    TInt err = iAssociationArray.Append(&aAssociation);

    if (err != KErrNone)

        {

        aAssociation.RemoveTransaction(*this);

        User::Leave(err);

        }

    }