/*

* Copyright (c) 2002-2007 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: 

*     Localized resource file for Phonebook 2.

*

*/

// INCLUDE FILES

#include <RPbk2LocalizedResourceFile.h>

// From System

#include <coemain.h>

#include <bautils.h>

// Debugging headers

#include <Pbk2Debug.h>

// Unnamed namespace for local definitions

namespace {

// Definition for backslash

_LIT(KBackslash, "\\");

/**

 * Ensures that path includes backslashs in correct places. Either left hand

 * side descriptor's or right hand side's last descriptor needs to be 

 * backslash. If backslash is not found, it is added to result descriptor

 *

 * @param aLhs      Left hand side operator.

 * @param aRhs      Right hand side operator.

 * @param aResult   On return contains correctly modified descriptor.

 */

void EnsureBackslashInMiddle(

        const TDesC& aLhs, 

        const TDesC& aRhs, 

        TDes& aResult)

    {

    if (aLhs[aLhs.Length() - 1] != KBackslash()[0] &&

        (aRhs.Length() == 0 || aRhs[0] != KBackslash()[0]))

        {

        aResult.Append(KBackslash);

        }

    }

} // namespace

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

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

// RPbk2LocalizedResourceFile::RPbk2LocalizedResourceFile

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

//

EXPORT_C RPbk2LocalizedResourceFile::RPbk2LocalizedResourceFile(

        CCoeEnv& aCoeEnv) :

    iFs( &aCoeEnv.FsSession() ), iCoeEnv(&aCoeEnv), iOffset(0)

    {

    }

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

// RPbk2LocalizedResourceFile::RPbk2LocalizedResourceFile

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

//

EXPORT_C RPbk2LocalizedResourceFile::RPbk2LocalizedResourceFile( RFs* aFs ) :

        iFs( aFs ), iCoeEnv( NULL ), iOffset( 0 )

    {

    }

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

// RPbk2LocalizedResourceFile::OpenLC

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

//

EXPORT_C void RPbk2LocalizedResourceFile::OpenLC

        (const TDesC& aDrive, const TDesC& aPath, const TDesC& aFileName)

    {

    EnsureOpenFileSystemSessionL();

    TFileName fileName(aDrive);

    EnsureBackslashInMiddle(fileName, aPath, fileName);

    fileName.Append(aPath);

    EnsureBackslashInMiddle(fileName, aFileName, fileName);

    fileName.Append(aFileName);

    PBK2_DEBUG_PRINT(PBK2_DEBUG_STRING

        ("RPbk2LocalizedResourceFile::OpenLC() resource filename: %S"),

        &fileName);

    BaflUtils::NearestLanguageFile(*iFs, fileName);

    if ( iCoeEnv )

        {

        iOffset = iCoeEnv->AddResourceFileL(fileName);

        CleanupClosePushL(*this);

        }

    else

        {

        RResourceFile::OpenL(*iFs, fileName);

        CleanupClosePushL(*this);

        ConfirmSignatureL();

        }

    }

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

// RPbk2LocalizedResourceFile::OpenL

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

//

EXPORT_C void RPbk2LocalizedResourceFile::OpenL

        (const TDesC& aDrive, const TDesC& aPath, const TDesC& aFileName)

    {

    OpenLC(aDrive, aPath, aFileName);

    CleanupStack::Pop();

    }

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

// RPbk2LocalizedResourceFile::OpenL

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

//

EXPORT_C void RPbk2LocalizedResourceFile::OpenL(const TDesC& aFullPath)

    {

    EnsureOpenFileSystemSessionL();

    TFileName fileName(aFullPath);

    BaflUtils::NearestLanguageFile(*iFs, fileName);

    if ( iCoeEnv )

        {

        iOffset = iCoeEnv->AddResourceFileL(fileName);

        }

    else

        {

        RResourceFile::OpenL(*iFs, fileName);

        ConfirmSignatureL();

        }

    }

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

// RPbk2LocalizedResourceFile::Close

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

//

EXPORT_C void RPbk2LocalizedResourceFile::Close()

    {

    if (iOffset && iCoeEnv)

        {

        iCoeEnv->DeleteResourceFile(iOffset);

        iOffset = 0;

        }

    else

        {

        RResourceFile::Close();

        }

    if ( iOwnFs.Handle() )

        {

        iOwnFs.Close();

        }

    }

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

// RPbk2LocalizedResourceFile::Offset

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

//

EXPORT_C TInt RPbk2LocalizedResourceFile::Offset()

    {

    return iOffset;

    }

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

// RPbk2LocalizedResourceFile::EnsureOpenFileSystemSessionL

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

//

void RPbk2LocalizedResourceFile::EnsureOpenFileSystemSessionL()

    {

    if ( !iFs )

        {

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

        iFs = &iOwnFs;

        }

    }

// End of File