/*

* Copyright (c) 2005 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: 

*       CUniMimeInfo, Storage for objects mime headers.

*

*

*/

// ========== INCLUDE FILES ================================

#include <e32def.h>     // for basic types

#include <eikenv.h>     // for CBase

#include <msvstd.h>     // for TMsvId

#include <msvids.h>     // for KMsvTempIndexEntryId

#include <mmsvattachmentmanager.h>

#include <cmsvattachment.h>

#include <cmsvmimeheaders.h>

#include "msgtextutils.h"

#include "UniModelConst.h"

#include "UniDataUtils.h"

#include "UniMimeInfo.h"

// ========== EXTERNAL DATA STRUCTURES =====================

// ========== EXTERNAL FUNCTION PROTOTYPES =================

// ========== CONSTANTS ====================================

// Maximum num of characters for descriptors stored in HBufC members

const TInt KMaxMimeFieldLength  = 260;

const TInt KMaxContentLocation  = 100; // Max byte size for content location

// From RFC2183. Content-Disposition filename max length.

// Does not need special handling.

//const TInt KMaxMimeFieldParamLength = 78;

// ========== MACROS =======================================

// ========== LOCAL CONSTANTS AND MACROS ===================

// ========== MODULE DATA STRUCTURES =======================

// ========== LOCAL FUNCTION PROTOTYPES ====================

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

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

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

// CUniMimeInfo

//

// Constructor

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

//

CUniMimeInfo::CUniMimeInfo() : iContentTypeCharset(0)

    {

    }

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

// CUniMimeInfo

//

// Destructor.

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

//

CUniMimeInfo::~CUniMimeInfo()

    {

    delete iContentDescription;

    delete iContentBase;

    delete iContentLocation;

    delete iContentId;

    delete iContentType;

    delete iContentDisposition;

    }

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

// Accessors/Mutators

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

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

// SetContentTypeL

// NOTE: 8 bit.

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

void CUniMimeInfo::SetContentTypeL( const TDesC8& aSourceDesc )

    {

    if ( aSourceDesc.Length() > KMaxMimeFieldLength )

        User::Leave( KErrArgument );

    HBufC8* buf = aSourceDesc.AllocL();

    delete iContentType;

    iContentType = buf;

    }

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

// SetContentLocationL

// NOTE: 16 bit.

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

void CUniMimeInfo::SetContentLocationL( const TDesC& aSourceDesc )

    {

    TInt copyLen = aSourceDesc.Length();

    if ( copyLen > KMaxContentLocation )

        {

        copyLen = KMaxContentLocation;

        }

    HBufC* buf = HBufC::NewL( copyLen );

    *buf = aSourceDesc.Left( copyLen );

    delete iContentLocation;

    iContentLocation = buf;

    }

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

// SetContentIdL

// NOTE: 8 bit.

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

void CUniMimeInfo::SetContentIdL( const TDesC8& aSourceDesc )

    {

    if ( aSourceDesc.Length() > KMaxMimeFieldLength )

        User::Leave( KErrArgument );

    HBufC8* buf = aSourceDesc.AllocL();

    delete iContentId;

    iContentId = buf;

    }

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

// SetContentBaseL

// NOTE: 8 bit.

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

void CUniMimeInfo::SetContentBaseL( const TDesC8& aSourceDesc )

    {

    if ( aSourceDesc.Length() > KMaxMimeFieldLength )

        User::Leave( KErrArgument );

    HBufC8* buf = aSourceDesc.AllocL();

    delete iContentBase;

    iContentBase = buf;

    }

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

// SetContentDescriptionL

// NOTE: 8 bit.

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

void CUniMimeInfo::SetContentDescriptionL( const TDesC8& aSourceDesc )

    {

    if ( aSourceDesc.Length() > KMaxMimeFieldLength )

        User::Leave( KErrArgument );

    HBufC8* buf = aSourceDesc.AllocL();

    delete iContentDescription;

    iContentDescription = buf;

    }

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

// SetContentDispositionL

// NOTE: 8 bit.

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

void CUniMimeInfo::SetContentDispositionL( const TDesC8& aSourceDesc )

    {

    if ( aSourceDesc.Length() > KMaxMimeFieldLength )

        User::Leave( KErrArgument );

    HBufC8* buf = aSourceDesc.AllocL();

    delete iContentDisposition;

    iContentDisposition = buf;

    }

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

// Size

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

TInt CUniMimeInfo::Size() const

    {

    // TODO: Check that MIME info size matches to the actual

    //       MIME header size

    //TInt size = sizeof( iContentTypeCharset );

    TInt size = sizeof( TUint32 ); // mmsengine uses this

    if ( iContentDescription ) size += iContentDescription->Size();

    if ( iContentBase ) size += iContentBase->Size();

    if ( iContentLocation ) size += iContentLocation->Size();

    if ( iContentId ) size += iContentId->Size();

    if ( iContentType ) size += iContentType->Size();

    if ( iContentDisposition ) size += iContentDisposition->Size();

    return size;

    }

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

// CUniMimeInfo::SaveMimeInfoL

//

// Save MIME info

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

//

void CUniMimeInfo::SaveMimeInfoL( MMsvAttachmentManager& aManager, CMsvAttachment& aAttachment )

    {

    // Content-Location.

    HBufC* safeContentLocation = CMsgTextUtils::GetSafeAttachmentNameLC(

        aManager,

        ContentLocation(),

        aAttachment.Id(),

        ETrue );

    SetContentLocationL( *safeContentLocation );

    CleanupStack::PopAndDestroy( safeContentLocation );

    CMsvMimeHeaders* msvMime = CMsvMimeHeaders::NewLC();

    msvMime->RestoreL( aAttachment );

    msvMime->SetContentLocationL( *iContentLocation );

    // Content-type

    if ( iContentType )

        {

        TInt slash = iContentType->Locate( '/' );

        if ( slash != KErrNotFound )

            {

            msvMime->SetContentTypeL( iContentType->Left( slash ) );

            msvMime->SetContentSubTypeL( iContentType->Mid( slash + 1 ) );

            }

        }

    // Character set

    if ( iContentTypeCharset )

        {

        msvMime->SetMimeCharset( iContentTypeCharset );

        }

    // Content-Id

    if ( iContentId && iContentId->Length() )

        {

        msvMime->SetContentIdL( *iContentId );

        }

    // Content-Description

    if ( iContentDescription && iContentDescription->Length() )

        {

        msvMime->SetContentDescriptionL( *iContentDescription );

        }

    // Content-Base

    if ( iContentBase && iContentBase->Length() )

        {

        msvMime->SetContentBaseL( *iContentBase );

        }

    // Content-Disposition

    if ( iContentDisposition && iContentDisposition->Length() )

        {

        msvMime->SetContentDispositionL( *iContentDisposition );

        }

    msvMime->StoreL( aAttachment );

    CleanupStack::PopAndDestroy( msvMime );

    }

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

// CUniMimeInfo::DoReadMimeInfoL

//

// Reads mime info from clientMtm to aMimeInfo.

// If function leaves whole MimeInfo object should be considered

// invalid.

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

//

void CUniMimeInfo::ReadMimeInfoL( CMsvAttachment& aAttachment )

    {

    CMsvMimeHeaders* msvMime = CMsvMimeHeaders::NewLC();

    msvMime->RestoreL( aAttachment );

    // Content-Location

    SetContentLocationL( msvMime->ContentLocation() );

    // Content-ID

    SetContentIdL( msvMime->ContentId() );

    TBuf8<KMaxDataTypeLength> contentType;

    contentType.Copy( msvMime->ContentType() );

    contentType.Append( _L8("/") );

    contentType.Append( msvMime->ContentSubType() );

    // Content-type

    SetContentTypeL( contentType );

    // Character set

    SetCharset( msvMime->MimeCharset() );

    // Content-Description

    SetContentDescriptionL( msvMime->ContentDescription() );

    // Content-Base

    SetContentBaseL( msvMime->ContentBase() );

    // Content-Disposition

    SetContentDispositionL( msvMime->ContentDisposition() );

    CleanupStack::PopAndDestroy( msvMime );

    }

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

// EnsureContentLocationL

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

void CUniMimeInfo::EnsureContentLocationL(

    MMsvAttachmentManager& aManager,

    CMsvAttachment& aAttachment,

    TDesC& aPlainFileName )

    {

    if ( !ContentLocation().Length() && aPlainFileName.Length() )

        {

        // Generate safe content location from file name

        HBufC* contLoc = CMsgTextUtils::GetSafeAttachmentNameLC(

            aManager,

            aPlainFileName,

            aAttachment.Id(),

            ETrue );

        SetContentLocationL( *contLoc );

        CleanupStack::PopAndDestroy( contLoc );

        // Save ContentLocation.

        SaveMimeInfoL( aManager, aAttachment );

        }

    }

// EOF