/*

* Copyright (c) 2004 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:  Presence contact list transactions.

*

*/

// INCLUDE FILES

#include "CPEngAttributeListTransaction2Imp.h"

#include "CPEngAsyncOperation.h"

#include "CPEngNWSessionSlotID2.h"

#include "CPEngNWSessionSlotStorageProxy.h"

#include "CPEngAttrLstPublishSyncOp.h"

//LOCAL constants

#ifdef _DEBUG

namespace

    {

    //Panic

    _LIT( KPEngAttrListTransPanic, "PEngAtLstTrans" );

    //Panic reasons

    enum TPEngAttrListTransPanicReasons

        {

        EAttrListTransUnkownTransOp

        };

    void PEngAttrListTransPanic( TPEngAttrListTransPanicReasons aPanicReason )

        {

        User::Panic( KPEngAttrListTransPanic, aPanicReason );

        }

    }

#endif

// ============================ MEMBER FUNCTIONS ===============================

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

// CPEngAttributeListTransaction2Imp::NewL()

// Two-phased constructor.

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

//

CPEngAttributeListTransaction2Imp* CPEngAttributeListTransaction2Imp::NewL(

    CPEngAttributeListTransaction2& aInterface,

    TInt aPriority,

    const CPEngNWSessionSlotID2& aNWSessionSlotID )

    {

    CPEngAttributeListTransaction2Imp* self =

        new ( ELeave ) CPEngAttributeListTransaction2Imp( aInterface, aPriority );

    CleanupStack::PushL( self );

    self->ConstructL( aNWSessionSlotID );

    CleanupStack::Pop( self );

    return self;

    }

// Destructor

CPEngAttributeListTransaction2Imp::~CPEngAttributeListTransaction2Imp()

    {

    //Cancel also deletes the operation objects

    CancelPublishAttributeLists();

    iTransactionServer.Close();

    delete iUsedSlot;

    }

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

// CPEngAttributeListTransaction2Imp::CPEngAttributeListTransaction2Imp

// C++ default constructor can NOT contain any code, that

// might leave.

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

//

CPEngAttributeListTransaction2Imp::CPEngAttributeListTransaction2Imp(

    CPEngAttributeListTransaction2& aInterface,

    TInt aPriority )

        : iInterface( aInterface ),

        iCActivePriority( aPriority )

    {

    }

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

// CPEngAttributeListTransaction2Imp::ConstructL()

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

//

void CPEngAttributeListTransaction2Imp::ConstructL(

    const CPEngNWSessionSlotID2& aNWSessionSlotID )

    {

    iUsedSlot = CPEngNWSessionSlotStorageProxy::NewL( aNWSessionSlotID );

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

    }

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

// CPEngAttributeListTransaction2Imp::IsPublishAttributeListsActive()

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

//

TBool CPEngAttributeListTransaction2Imp::IsPublishAttributeListsActive() const

    {

    return ( iAttributeListPublishOp != NULL );     // CSI: 64 #

    }

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

// CPEngAttributeListTransaction2Imp::PublishAttributeLists()

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

//

TInt CPEngAttributeListTransaction2Imp::PublishAttributeLists(

    MPEngAttributeListTransactionObserver2& aObserver )

    {

    if ( iAttributeListPublishOp )

        {

        return KErrInUse;

        }

    CPEngAttrLstPublishSyncOp* op = NULL;

    TRAPD( err,

           op = CPEngAttrLstPublishSyncOp::NewL( iCActivePriority,

                                                 iInterface,

                                                 *iUsedSlot,

                                                 aObserver,

                                                 iTransactionServer ); );

    if ( err == KErrNone )

        {

        //Success

        op->Publish();

        op->SetOwner( *this );

        iAttributeListPublishOp = op;

        }

    return err;

    }

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

// CPEngAttributeListTransaction2Imp::CancelPublishAttributeLists()

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

//

void CPEngAttributeListTransaction2Imp::CancelPublishAttributeLists()

    {

    if ( iAttributeListPublishOp )

        {

        iAttributeListPublishOp->CancelOpD();

        iAttributeListPublishOp = NULL;

        }

    }

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

// CPEngAttributeListTransaction2Imp::HandleAsyncOperationDestruction()

// from MPEngAsyncOperationOwner

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

//

void CPEngAttributeListTransaction2Imp::HandleAsyncOperationDestruction(

    CPEngAsyncOperation* aOperation )

    {

    if ( aOperation == iAttributeListPublishOp )

        {

        iAttributeListPublishOp = NULL;

        return;

        }

    __ASSERT_DEBUG( EFalse, PEngAttrListTransPanic( EAttrListTransUnkownTransOp ) );

    }

// End of File