/*

* 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:   M-Mms-Element-Descriptor header

*

*/

// INCLUDE FILES

#include <msvstore.h>

#include    "mmselementdescriptor.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 ===============================

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

// CMmsElementDescriptor::CMmsElementDescriptor

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

// might leave.

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

//

CMmsElementDescriptor::CMmsElementDescriptor()

    {

    // everything is initailized to 0 by CBase

    }

// Destructor

CMmsElementDescriptor::~CMmsElementDescriptor()

    {

    delete iContentReference;

    delete iContentType;

    }

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

// CMmsElementDescriptor::Externalize

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

//

void CMmsElementDescriptor::ExternalizeL( RMsvWriteStream& aStream  ) const

    {

    TInt32 length = 0;

    length = ContentReference().Length(); 

    aStream.WriteInt32L( length );

    if ( length > 0 )

        {

        aStream << ContentReference();

        }

    length = 0;

    length = ContentType().Length();

    aStream.WriteInt32L( length );

    if ( length > 0 )

        {

        aStream << ContentType();

        }

    }

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

// CMmsElementDescriptor::InternalizeL

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

//

void CMmsElementDescriptor::InternalizeL( RMsvReadStream& aStream  )

    {

    delete iContentReference;

    iContentReference = NULL;

    delete iContentType;

    iContentType = NULL;

    TInt32 length = 0;

    length = aStream.ReadInt32L();

    if ( length > 0 )

        {

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

        }

    length = aStream.ReadInt32L();

    if ( length > 0 )

        {

        iContentType = HBufC8::NewL( aStream, length );

        }

    }

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

// CMmsElementDescriptor::Size

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

//

TInt CMmsElementDescriptor::Size() const

    {

    TInt size = 0;

    size += sizeof( TInt32 );

    // use size to net number of bytes, not characters

    size += ContentReference().Size();

    size += sizeof( TInt32 );

    size += ContentType().Size();

    return size;

    }

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

// CMmsElementDescriptor::ContentReference

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

//

EXPORT_C TPtrC CMmsElementDescriptor::ContentReference() const

    {

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

    }

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

// CMmsElementDescriptor::SetContentReferenceL

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

//

EXPORT_C void CMmsElementDescriptor::SetContentReferenceL( const TDesC& aContentReference )

    {

    delete iContentReference;

    iContentReference = NULL;

    iContentReference = aContentReference.AllocL();

    }

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

// CMmsElementDescriptor::ContentType

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

//

EXPORT_C TPtrC8 CMmsElementDescriptor::ContentType() const

    {

    return iContentType ? TPtrC8( *iContentType ) : TPtrC8();     

    }

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

// CMmsElementDescriptor::SetContentTypeL

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

//

EXPORT_C void CMmsElementDescriptor::SetContentTypeL( const TDesC8& aContentType )

    {

    delete iContentType;

    iContentType = NULL;

    iContentType = aContentType.AllocL();

    }

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

//  End of File