/*

* 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: 

*           Data utility class for UniEditor & MMS related editors and viewers

*

*

*/

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

#include <e32std.h>

#include <e32base.h>

#include <f32file.h>

#include <data_caging_path_literals.hrh>

#include <bautils.h>

#include <mtclbase.h>

#include <msvstore.h>

#include <mmsvattachmentmanager.h>

#include <cmsvattachment.h>

#include <cmsvmimeheaders.h>

#include <StringLoader.h>           // for StringLoader (load and foramt strings from resources)

#include <CommonContentPolicy.h>

#include <UniDataModel.rsg>           // Viewer/Editor Mimetype strings

#include "UniModelConst.h"

#include "UniDataUtils.h"

#include "msgtextutils.h"

#include "MsgMimeTypes.h"

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

const TInt KTextBufferMaxSize( 256 );   // Max size for string read from resources.

                                        // NOTE: This is 256 unicode chars, too.

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

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

// CUniDataUtils::NewL

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

//

CUniDataUtils* CUniDataUtils::NewL( RFs& aFs )

    {

    CUniDataUtils* data = new ( ELeave ) CUniDataUtils( aFs );

    CleanupStack::PushL( data );

    data->ConstructL();

    CleanupStack::Pop( data );

    return data;

    }

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

// CUniDataUtils::CUniDataUtils

//

// Constructor

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

//

CUniDataUtils::CUniDataUtils( RFs& aFs )

    : iFs( aFs )

    {

    }

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

// CUniDataUtils::ConstructL

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

//

void CUniDataUtils::ConstructL()

    {

    RegisterDataL();

    iTextUtils = CMsgTextUtils::NewL( iFs );

    }

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

// CUniDataUtils::~CUniDataUtils

//

// Destructor.

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

//

CUniDataUtils::~CUniDataUtils()

    {

    delete iDefaultFileName;

    delete iEmptyPageString;

    delete iTextUtils;

    }

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

// CUniDataUtils::CharconvIdToMibIdL

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

//

TUint CUniDataUtils::CharconvIdToMibIdL( TUint aCharconvCharsetId )

    {

    return iTextUtils->CharconvIdToMibIdL( aCharconvCharsetId );

    }

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

// CUniDataUtils::MibIdToCharconvIdL

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

//

TUint CUniDataUtils::MibIdToCharconvIdL( TUint aMibId )

    {

    return iTextUtils->MibIdToCharconvIdL( aMibId );

    }

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

// CUniDataUtils::UTF8Size

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

TInt CUniDataUtils::UTF8Size( TPtrC aText )

    {

    return CMsgTextUtils::UTF8Size( aText );

    }

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

// CUniDataUtils::RegisterDataL

//

// Registers data

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

//

void CUniDataUtils::RegisterDataL()

    {

    TFileName fileName;

    TParse parse;

    parse.Set( KUniDataModelResourceFilename, &KDC_RESOURCE_FILES_DIR, NULL );

    fileName = parse.FullName();

    BaflUtils::NearestLanguageFile( iFs, fileName );

    RResourceFile resourceFile;

    resourceFile.OpenL( const_cast<RFs&>( iFs ), fileName );

    resourceFile.ConfirmSignatureL( KDefResFileSignature );

    CleanupClosePushL( resourceFile );

    iDefaultFileName = ReadResStringL( resourceFile, R_MMDU_DEFAULT_FILE_NAME );

    iEmptyPageString = ReadResStringL( resourceFile, R_MMDU_EMPTY_SLIDE );

    CleanupStack::PopAndDestroy( &resourceFile );

    }

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

// CUniDataUtils::ReadResStringL

//

// Read single string.

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

//

HBufC* CUniDataUtils::ReadResStringL( const RResourceFile& aResourceFile, TInt aSrcResId )

    {

    HBufC* readBuf = HBufC::NewLC( KTextBufferMaxSize );

    TPtr8 readBuffer( (TText8*) readBuf->Ptr(), KTextBufferMaxSize * 2 );

    aResourceFile.ReadL(readBuffer, (0x00000fff & aSrcResId) ); // Remove offset from id

    if ( readBuffer.Length() != 0 )

        {

        readBuf->Des().SetLength((readBuffer.Length()+1)>>1);

        }

    CleanupStack::Pop( readBuf );

    return readBuf;

    }

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

// FileSizeL

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

TInt CUniDataUtils::FileSizeL( const TFileName& aFileName )

    {

    TInt size(0);

    RFile file;

    TInt err = file.Open( iFs, aFileName, EFileShareAny );

    if ( err == KErrAccessDenied || err == KErrInUse )

        {

        err = file.Open( iFs, aFileName, EFileShareReadersOnly );

        }

    if ( err == KErrNone )

        {

        file.Size( size );

        }

    else

        {

        file.Close();

        User::Leave( err );

        }

    file.Close();

    return size;

    }

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

// CUniObject::GetAttachmentFileL

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

//

RFile CUniDataUtils::GetAttachmentFileL( CBaseMtm& aMtm, TMsvAttachmentId aId )

    {

    RFile file;

    CMsvStore* store = aMtm.Entry().ReadStoreL();

    CleanupStack::PushL( store );

    MMsvAttachmentManager& manager = store->AttachmentManagerL();

    file = manager.GetAttachmentFileL( aId );

    CleanupStack::PopAndDestroy( store );

    return file;

    }

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

// CUniObject::IndexPositionOfAttachmentL

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

//

TInt CUniDataUtils::IndexPositionOfAttachmentL(

        MMsvAttachmentManager& aManager,

        TMsvAttachmentId aId )

	{

    TInt count = aManager.AttachmentCount();

	TInt foundPosition = KErrNotFound;

    for ( TInt i = 0; i < count; i++ )

        {

        CMsvAttachment* attachment = aManager.GetAttachmentInfoL( i );

        TMsvAttachmentId id = attachment->Id();

        delete attachment;

        if ( id == aId )

            {

            foundPosition = i;

            break;

            }

        }

	// Leave with KErrNotFound if the attachment id is not found

	User::LeaveIfError( foundPosition );

	// return the index position of attachment

	return foundPosition;

	}

//  End of File