// Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:
// f32\sfat\sl_fsy.cpp
// 
//

//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//!!
//!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
//!!
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
//!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

#include "sl_std.h"
#include <e32hal.h>

CFatFileSystem* CFatFileSystem::New()
//
// Create a FatFileSystem 
//
    {
    CFatFileSystem* fatfsys=new CFatFileSystem();
    if (fatfsys==NULL)
        return(NULL);

    return fatfsys;
    }


CFatFileSystem::CFatFileSystem() : iUseLocalTimeIfRemovable(EFalse)
//
// Construct the file system
//
    {
    }   

CFatFileSystem::~CFatFileSystem()
//
// Destructor
//
    {
    }

TInt CFatFileSystem::Install()
//
// Install the file system
//
    {
    iVersion=TVersion(KF32MajorVersionNumber,KF32MinorVersionNumber,KF32BuildVersionNumber);

    // Read in setting from the config file to possibly make file server 
    // use local time.
    _LIT8(KFatConfigSection, "FatConfig");
    _LIT8(KLocalTimeIfRemovable, "LocalTimeIfRemovable");
    F32Properties::GetBool(KFatConfigSection, KLocalTimeIfRemovable, iUseLocalTimeIfRemovable);

    return(SetName(&KFileSystemName_FAT));
    }

CMountCB* CFatFileSystem::NewMountL() const
//
// Create a new mount control block.
//
    {

    return(CFatMountCB::NewL());
    }

CFileCB* CFatFileSystem::NewFileL() const
//
// Create a new file.
//
    {

    return(new(ELeave) CFatFileCB());
    }

CDirCB* CFatFileSystem::NewDirL() const
//
// Create a new directory lister.
//
    {

    return(CFatDirCB::NewL());
    }

CFormatCB* CFatFileSystem::NewFormatL() const
//
// Create a new media formatter.
//
    {

    return (new(ELeave) CFatFormatCB());
    }

TInt CFatFileSystem::DefaultPath(TDes& aPath) const
//
// Return the initial default path.
//
    {

    aPath=_L("?:\\");
    aPath[0] = (TUint8) RFs::GetSystemDriveChar();
    return(KErrNone);
    }


void CFatFileSystem::DriveInfo(TDriveInfo& anInfo,TInt aDriveNumber) const
//
// Return the drive info. iBatteryState are already set.
//
    {

    if(!IsValidLocalDriveMapping(aDriveNumber))
        return;

    TLocalDriveCapsV2Buf localDriveCaps;
    
    TInt r = KErrNone;

    // is the drive local?
    if (!IsProxyDrive(aDriveNumber))
        {
        // if not valid local drive, use default values in localDriveCaps
        // if valid local drive and not locked, use TBusLocalDrive::Caps() values
        // if valid drive and locked, hard-code attributes
        r = GetLocalDrive(aDriveNumber).Caps(localDriveCaps);
        }
    else  // this need to be made a bit nicer
        {   
        CExtProxyDrive* pD = GetProxyDrive(aDriveNumber);
        if(pD)
            r = pD->Caps(localDriveCaps);
        else
            r = KErrNotReady;   // What should the behaviour really be here?
        }

    if (r != KErrLocked )
        {
        anInfo.iMediaAtt=localDriveCaps().iMediaAtt;
        }
    else
        {
        anInfo.iMediaAtt = KMediaAttLocked | KMediaAttLockable | KMediaAttHasPassword;
        }

    anInfo.iType=localDriveCaps().iType;
    anInfo.iDriveAtt=localDriveCaps().iDriveAtt;
    }


TBool CFatFileSystem::IsExtensionSupported() const
//
//
//
    {
    return(ETrue);
    }

TBool CFatFileSystem::GetUseLocalTime() const
    {
    return iUseLocalTimeIfRemovable;
    }

void CFatFileSystem::SetUseLocalTime(TBool aFlag)
    {
    iUseLocalTimeIfRemovable = aFlag;
    }

/**
Reports whether the specified interface is supported - if it is,
the supplied interface object is modified to it

@param aInterfaceId     The interface of interest
@param aInterface       The interface object
@return                 KErrNone if the interface is supported, otherwise KErrNotFound 

@see CFileSystem::GetInterface()
*/
TInt CFatFileSystem::GetInterface(TInt aInterfaceId, TAny*& aInterface,TAny* aInput)
    {
    switch(aInterfaceId)
        {
        case CFileSystem::EProxyDriveSupport: // The FAT Filesystem supports proxy drives
            return KErrNone;

        default:
            return(CFileSystem::GetInterface(aInterfaceId, aInterface, aInput));
        }
    }