sl@0: // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of the License "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // f32\sfat\sl_fsy.cpp
sl@0: // 
sl@0: //
sl@0: 
sl@0: //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sl@0: //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sl@0: //!!
sl@0: //!! WARNING!! DO NOT edit this file !! '\sfat' component is obsolete and is not being used. '\sfat32'replaces it
sl@0: //!!
sl@0: //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sl@0: //!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
sl@0: 
sl@0: #include "sl_std.h"
sl@0: #include <e32hal.h>
sl@0: 
sl@0: CFatFileSystem* CFatFileSystem::New()
sl@0: //
sl@0: // Create a FatFileSystem 
sl@0: //
sl@0:     {
sl@0:     CFatFileSystem* fatfsys=new CFatFileSystem();
sl@0:     if (fatfsys==NULL)
sl@0:         return(NULL);
sl@0: 
sl@0:     return fatfsys;
sl@0:     }
sl@0: 
sl@0: 
sl@0: CFatFileSystem::CFatFileSystem() : iUseLocalTimeIfRemovable(EFalse)
sl@0: //
sl@0: // Construct the file system
sl@0: //
sl@0:     {
sl@0:     }   
sl@0: 
sl@0: CFatFileSystem::~CFatFileSystem()
sl@0: //
sl@0: // Destructor
sl@0: //
sl@0:     {
sl@0:     }
sl@0: 
sl@0: TInt CFatFileSystem::Install()
sl@0: //
sl@0: // Install the file system
sl@0: //
sl@0:     {
sl@0:     iVersion=TVersion(KF32MajorVersionNumber,KF32MinorVersionNumber,KF32BuildVersionNumber);
sl@0: 
sl@0:     // Read in setting from the config file to possibly make file server 
sl@0:     // use local time.
sl@0:     _LIT8(KFatConfigSection, "FatConfig");
sl@0:     _LIT8(KLocalTimeIfRemovable, "LocalTimeIfRemovable");
sl@0:     F32Properties::GetBool(KFatConfigSection, KLocalTimeIfRemovable, iUseLocalTimeIfRemovable);
sl@0: 
sl@0:     return(SetName(&KFileSystemName_FAT));
sl@0:     }
sl@0: 
sl@0: CMountCB* CFatFileSystem::NewMountL() const
sl@0: //
sl@0: // Create a new mount control block.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     return(CFatMountCB::NewL());
sl@0:     }
sl@0: 
sl@0: CFileCB* CFatFileSystem::NewFileL() const
sl@0: //
sl@0: // Create a new file.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     return(new(ELeave) CFatFileCB());
sl@0:     }
sl@0: 
sl@0: CDirCB* CFatFileSystem::NewDirL() const
sl@0: //
sl@0: // Create a new directory lister.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     return(CFatDirCB::NewL());
sl@0:     }
sl@0: 
sl@0: CFormatCB* CFatFileSystem::NewFormatL() const
sl@0: //
sl@0: // Create a new media formatter.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     return (new(ELeave) CFatFormatCB());
sl@0:     }
sl@0: 
sl@0: TInt CFatFileSystem::DefaultPath(TDes& aPath) const
sl@0: //
sl@0: // Return the initial default path.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     aPath=_L("?:\\");
sl@0:     aPath[0] = (TUint8) RFs::GetSystemDriveChar();
sl@0:     return(KErrNone);
sl@0:     }
sl@0: 
sl@0: 
sl@0: void CFatFileSystem::DriveInfo(TDriveInfo& anInfo,TInt aDriveNumber) const
sl@0: //
sl@0: // Return the drive info. iBatteryState are already set.
sl@0: //
sl@0:     {
sl@0: 
sl@0:     if(!IsValidLocalDriveMapping(aDriveNumber))
sl@0:         return;
sl@0: 
sl@0:     TLocalDriveCapsV2Buf localDriveCaps;
sl@0:     
sl@0:     TInt r = KErrNone;
sl@0: 
sl@0:     // is the drive local?
sl@0:     if (!IsProxyDrive(aDriveNumber))
sl@0:         {
sl@0:         // if not valid local drive, use default values in localDriveCaps
sl@0:         // if valid local drive and not locked, use TBusLocalDrive::Caps() values
sl@0:         // if valid drive and locked, hard-code attributes
sl@0:         r = GetLocalDrive(aDriveNumber).Caps(localDriveCaps);
sl@0:         }
sl@0:     else  // this need to be made a bit nicer
sl@0:         {   
sl@0:         CExtProxyDrive* pD = GetProxyDrive(aDriveNumber);
sl@0:         if(pD)
sl@0:             r = pD->Caps(localDriveCaps);
sl@0:         else
sl@0:             r = KErrNotReady;   // What should the behaviour really be here?
sl@0:         }
sl@0: 
sl@0:     if (r != KErrLocked )
sl@0:         {
sl@0:         anInfo.iMediaAtt=localDriveCaps().iMediaAtt;
sl@0:         }
sl@0:     else
sl@0:         {
sl@0:         anInfo.iMediaAtt = KMediaAttLocked | KMediaAttLockable | KMediaAttHasPassword;
sl@0:         }
sl@0: 
sl@0:     anInfo.iType=localDriveCaps().iType;
sl@0:     anInfo.iDriveAtt=localDriveCaps().iDriveAtt;
sl@0:     }
sl@0: 
sl@0: 
sl@0: TBool CFatFileSystem::IsExtensionSupported() const
sl@0: //
sl@0: //
sl@0: //
sl@0:     {
sl@0:     return(ETrue);
sl@0:     }
sl@0: 
sl@0: TBool CFatFileSystem::GetUseLocalTime() const
sl@0:     {
sl@0:     return iUseLocalTimeIfRemovable;
sl@0:     }
sl@0: 
sl@0: void CFatFileSystem::SetUseLocalTime(TBool aFlag)
sl@0:     {
sl@0:     iUseLocalTimeIfRemovable = aFlag;
sl@0:     }
sl@0: 
sl@0: /**
sl@0: Reports whether the specified interface is supported - if it is,
sl@0: the supplied interface object is modified to it
sl@0: 
sl@0: @param aInterfaceId     The interface of interest
sl@0: @param aInterface       The interface object
sl@0: @return                 KErrNone if the interface is supported, otherwise KErrNotFound 
sl@0: 
sl@0: @see CFileSystem::GetInterface()
sl@0: */
sl@0: TInt CFatFileSystem::GetInterface(TInt aInterfaceId, TAny*& aInterface,TAny* aInput)
sl@0:     {
sl@0:     switch(aInterfaceId)
sl@0:         {
sl@0:         case CFileSystem::EProxyDriveSupport: // The FAT Filesystem supports proxy drives
sl@0:             return KErrNone;
sl@0: 
sl@0:         default:
sl@0:             return(CFileSystem::GetInterface(aInterfaceId, aInterface, aInput));
sl@0:         }
sl@0:     }