/*

* Copyright (c) 2008 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:  S60FileSystemUtilities

 *

*/

#include <f32file.h>

#include "logger.h"

#include "jstringutils.h"

#include "s60filesystemutilities.h"

#include "fileutilities.h"

using namespace java::fileutils;

/*

 * Implementation of S60FileSystemUtilities.h

 *

 */

using namespace std;

void S60FileSystemUtilities::GetAvailableSizeL(TInt64& aRetSize,

        TChar& aDriveChar)

{

    JELOG2(EJavaFile);

    //Note: Uri type check is not needed here.

    TVolumeInfo volumeInfo;

    RFs iRFs;

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

    TInt drive = EDriveC;

    RFs::CharToDrive(aDriveChar, drive);

    // If it is not a valid root, return immediately

    int error = 0;

    if (RFs::IsValidDrive(drive))

    {

        error = iRFs.Volume(volumeInfo, drive);

    }

    else

    {

        iRFs.Close();

        User::Leave(KErrArgument);

    }

    if (KErrNone != error)

    {

        iRFs.Close();

        User::Leave(error);

    }

    aRetSize = volumeInfo.iFree;

    iRFs.Close();

}

/**

 *

 */

void S60FileSystemUtilities::GetUsedSizeL(TInt64& aRetSize, TChar& aDriveChar)

{

    JELOG2(EJavaFile);

    //Note: Uri type check is not needed here.

    TVolumeInfo volumeInfo;

    RFs iRFs;

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

    TInt drive = EDriveC;

    RFs::CharToDrive(aDriveChar, drive);

    // If it is not a valid root, return immediately

    int error = 0;

    if (RFs::IsValidDrive(drive))

    {

        error = iRFs.Volume(volumeInfo, drive);

    }

    else

    {

        iRFs.Close();

        User::Leave(KErrArgument);

    }

    if (KErrNone != error)

    {

        iRFs.Close();

        User::Leave(error);

    }

    aRetSize = volumeInfo.iSize - volumeInfo.iFree;

    iRFs.Close();

}

void S60FileSystemUtilities::IsHiddenL(TBool& aIsHidden, const TDesC &aFile)

{

    JELOG2(EJavaFile);

    RFs iRFs;

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

    TEntry entry;

    TInt length = aFile.Length();

    HBufC* fileUrl = HBufC::NewL(length);

    *fileUrl = aFile;

    TPtr uriBufPtr(fileUrl->Des());

    ReplaceCharacters(uriBufPtr, '/', '\\');

    User::LeaveIfError(iRFs.Entry(uriBufPtr, entry));

    aIsHidden = entry.IsHidden();

    iRFs.Close();

    delete fileUrl; //allocated on heap, so deleting it

}

void S60FileSystemUtilities::GetTotalSizeL(TInt64& aRetSize, TChar& aDriveChar)

{

    JELOG2(EJavaFile);

    //Note: Uri type check is not needed here.

    TVolumeInfo volumeInfo;

    RFs iRFs;

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

    TInt drive = EDriveC;

    RFs::CharToDrive(aDriveChar, drive);

    // If it is not a valid root, return immediately

    int error = 0;

    if (RFs::IsValidDrive(drive))

    {

        error = iRFs.Volume(volumeInfo, drive);

    }

    else

    {

        iRFs.Close();

        User::Leave(KErrArgument);

    }

    if (KErrNone != error)

    {

        iRFs.Close();

        User::Leave(error);

    }

    aRetSize = volumeInfo.iSize;

    iRFs.Close();

}

EXPORT_C void S60FileSystemUtilities::SetHiddenL(TDesC& aFile, TBool aHide)

{

    JELOG2(EJavaFile);

    //Might need to close the file before attempting to change att.

    //need to verify it

    RFs iRFs;

    TInt err = KErrNone;

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

    HBufC* fileUrl = HBufC::NewL(aFile.Length());

    *fileUrl = aFile;

    TPtr uriBufPtr(fileUrl->Des());

    ReplaceCharacters(uriBufPtr, '/', '\\');

    if (aHide)

        err = iRFs.SetAtt(uriBufPtr, KEntryAttHidden, 0);

    else

        err = iRFs.SetAtt(uriBufPtr, 0, KEntryAttHidden);

    iRFs.Close();

    delete fileUrl;

    User::LeaveIfError(err);

}

void S60FileSystemUtilities::ReplaceCharacters(TPtr& aPtr,

        TUint8 aReplacedChar, TUint8 aNewChar)

{

    ReplaceCharacters(aPtr, aReplacedChar, aNewChar, EFalse);

}

/**

 *

 */

void S60FileSystemUtilities::ReplaceCharacters(TPtr& aPtr,

        TUint8 aReplacedChar, TUint8 aNewChar, TBool aOnlyFirstMatch)

{

    for (TInt i = 0; i < aPtr.Length(); ++i)

    {

        if (aReplacedChar == aPtr[i])

        {

            aPtr[i] = aNewChar;

            if (aOnlyFirstMatch)

                return;

        }

    }

}

TDesC16& S60FileSystemUtilities::GetSupportedDrives()

{

    JELOG2(EJavaFile);

    //TBuf16<80> driveString;

    HBufC* driveString = HBufC::NewMax(80);

    TDriveList driveList;

    TInt driveNumber = EDriveA;

    TChar driveChar;

    TChar colon = ':';

    TChar separator = '*';

    RFs session;

    int error = session.Connect();

    if (KErrNone == error)

    {

        error = session.DriveList(driveList);

        if (KErrNone == error)

        {

            for (; driveNumber <= EDriveZ; driveNumber++)

            {

                if (driveList[driveNumber])

                {

                    session.DriveToChar(driveNumber, driveChar);

                    (driveString->Des()).Append(driveChar);

                    (driveString->Des()).Append(colon);

                    (driveString->Des()).Append(separator);

                }

            }

        }

    }

    session.Close();

    return *driveString;

}