/*

* Copyright (c) 2009 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: Resource utilities 

*

*/

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

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

//

void FindResourceFileL( 

    RFs& aFsSession,

    const TDesC& aFilePathAndName,

    TFileName& aRscFile )

    {

    TParse parse;

    parse.Set( aFilePathAndName, NULL, NULL );

    TFindFile finder( aFsSession );

    if ( finder.FindByDir( parse.NameAndExt(), parse.Path() ) == KErrNone )

        {

        aRscFile.Copy( finder.File() );

        }

    else

        {

        User::Leave( KErrNotFound );

        }

    }

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

// COMASuplSession::ShowOfflineNoteL

//  

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

void FindLocalizedResourceFileL( 

    RFs& aFsSession, 

    const TDesC& aRscFile,

    TFileName& aFileName )

    {

    TFileName fileName( aRscFile );

    TParse parse;

    parse.Set( aRscFile, NULL, NULL );

    // look on c: drives first

    BaflUtils::NearestLanguageFile( aFsSession, fileName );

    const TInt KLangPartOfExtensionLen = 2;

    TBool found = ( fileName.Right( KLangPartOfExtensionLen ) != 

                    aRscFile.Right( KLangPartOfExtensionLen ) );

    if ( !found )

        {

        // look on other drives

        TDriveList drives;

        aFsSession.DriveList( drives );

        for ( TInt drive = EDriveZ; drive >= EDriveA; drive-- )

            {

            if ( drive != EDriveC ) // already checked

                {

                TDriveInfo drvInfo;

                aFsSession.Drive( drvInfo, drive );

                if ( drvInfo.iType != EMediaNotPresent )

                    {

                    TChar drv;

                    aFsSession.DriveToChar( drive, drv );

                    fileName.Zero();

                    fileName.Append( drv );

                    fileName.Append( KDriveDelimiter );

                    fileName.Append( parse.Path() );

                    fileName.Append( parse.NameAndExt() );

                    // look on c: and this drive

                    BaflUtils::NearestLanguageFile( aFsSession, fileName );

                    found = ( fileName.Right( KLangPartOfExtensionLen ) != 

                              aRscFile.Right( KLangPartOfExtensionLen ) );

                    if ( found ) break;

                    }

                }

            }

        }

    if ( found )

        {

        aFileName.Copy( fileName );

        }

    else

        {

        // localized file not found, try using SC

        FindResourceFileL( aFsSession, aRscFile, aFileName );

        }

    }

//////////////////////////////////////////////////////////////

HBufC* LoadResourceTextL( 

    RFs& aFsSession, 

    const TDesC& aRscFile, 

    TInt aResourceId )

    {

    TFileName fileName;

    FindLocalizedResourceFileL( aFsSession, aRscFile, fileName );

    CResourceFile* resFile = CResourceFile::NewL( aFsSession, fileName, 0, 0 );

    CleanupStack::PushL( resFile );

    resFile->ConfirmSignatureL( 0 );

    RResourceReader reader;

    reader.OpenL( resFile, aResourceId );

    CleanupClosePushL( reader );

    HBufC* text = reader.ReadHBufC16L();

    CleanupStack::PopAndDestroy( &reader );

    CleanupStack::PopAndDestroy( resFile );

    return text;  

    }