/*

* Copyright (c) 2003 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:   Structure to hold MMS encapsulation 1.1 version

*                previoulsy-sent-by and previously-sent-date information  

*

*/

// INCLUDE FILES

#include    "mmssendingchain.h"

// EXTERNAL DATA STRUCTURES

// EXTERNAL FUNCTION PROTOTYPES  

// CONSTANTS

// MACROS

// LOCAL CONSTANTS AND MACROS

// MODULE DATA STRUCTURES

// LOCAL FUNCTION PROTOTYPES

// FORWARD DECLARATIONS

// ============================= LOCAL FUNCTIONS ===============================

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

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

// CMmsSendingChain::CMmsSendingChain

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

// might leave.

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

//

CMmsSendingChain::CMmsSendingChain()

    {

    // everything is initailized to 0 by CBase

    }

// Destructor

CMmsSendingChain::~CMmsSendingChain()

    {

    delete iSender;

    }

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

// CMmsSendingChain::Compare

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

//

TInt CMmsSendingChain::Compare(

    const CMmsSendingChain& aFirst,

    const CMmsSendingChain& aSecond )

    {

    if ( aFirst.iOrder == aSecond.iOrder )

        {

        return 0;

        }

    if ( aFirst.iOrder > aSecond.iOrder )

        {

        return 1;

        }

    else

        {

        return -1;

        }

    }

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

// CMmsSendingChain::InternalizeL

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

//

void CMmsSendingChain::InternalizeL( RMsvReadStream& aStream )

    {

    aStream >> iOrder;

    aStream >> iDate;

    TInt32 length;

    aStream >> length;

    delete iSender;

    iSender = NULL;

    if ( length > 0 )

        {

        iSender = HBufC::NewL( aStream, length );

        }

    }

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

// CMmsSendingChain::ExternalizeL

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

//

void CMmsSendingChain::ExternalizeL( RMsvWriteStream& aStream ) const

    {

    aStream << iOrder;

    aStream << iDate;

    TInt32 length = Sender().Length();

    aStream << length;

    if ( length > 0 )

        {

        aStream << Sender();

        }

    }

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

// CMmsSendingChain::Sender

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

//

EXPORT_C TPtrC CMmsSendingChain::Sender() const

    {

    return iSender ? TPtrC( *iSender ) : TPtrC(); 

    }

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

// CMmsSendingChain::SetSenderL

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

//

EXPORT_C void CMmsSendingChain::SetSenderL( const TDesC& aSender )

    {

    HBufC* newAttrib = aSender.AllocL();

    delete iSender;

    iSender = newAttrib;

    }

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

// CMmsSendingChain::Size

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

//

TInt CMmsSendingChain::Size() const

    {

    TInt size = 0;

    size += sizeof( iOrder );

    size += sizeof( iDate );

    size += sizeof( TInt32 );

    size += Sender().Size();

    return size;

    }

// ========================== OTHER EXPORTED FUNCTIONS =========================

//  End of File