filemanager/Engine/src/TFileManagerDriveInfo.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Mon, 18 Jan 2010 20:09:41 +0200
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/*
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* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0""
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Drive info storage
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*
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*/
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// INCLUDE FILES
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#include <coreapplicationuisdomainpskeys.h>
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#include "TFileManagerDriveInfo.h"
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#include "CFileManagerEngine.h"
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#include "FileManagerDebug.h"
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#include "CFileManagerCommonDefinitions.h"
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#include "CFileManagerFeatureManager.h"
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#ifdef RD_MULTIPLE_DRIVE
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#include <driveinfo.h>
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#endif // RD_MULTIPLE_DRIVE
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::TFileManagerDriveInfo
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// -----------------------------------------------------------------------------
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//
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EXPORT_C TFileManagerDriveInfo::TFileManagerDriveInfo()
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    {
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    Reset();
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    }
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::TFileManagerDriveInfo
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// -----------------------------------------------------------------------------
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//
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EXPORT_C void TFileManagerDriveInfo::Reset()
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    {
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    iName.Zero();
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    iCapacity = 0;
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    iSpaceFree = 0;
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    iUid = 0;
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    iDrive = 0;
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    iState = 0;
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    }
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::GetInfoL
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// -----------------------------------------------------------------------------
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//
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void TFileManagerDriveInfo::GetInfoL(
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        const CFileManagerEngine& aEngine, const TInt aDrive )
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    {
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    FUNC_LOG
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    INFO_LOG1( "TFileManagerDriveInfo::GetInfoL - aDrive %d", aDrive )
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    Reset();
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    iDrive = aDrive;
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    RFs& fs( aEngine.Fs() );
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    CheckMountL( fs, aDrive );
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    TInt err( FillStateFromVolumeInfo( fs, aDrive ) );
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    if ( err == KErrInUse )
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        {
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        iState |= EDriveInUse;
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        }
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    else if ( err == KErrCorrupt )
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        {
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        iState |= EDrivePresent | EDriveCorrupted;
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        }
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    else if ( err == KErrLocked )
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        {
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        iState |= EDrivePresent | EDriveLocked | EDriveFormatted |
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            EDrivePasswordProtected | EDriveLockable;
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        }
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    else if ( err == KErrNone )
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        {
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        if ( iState & EDriveRemote )
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            {
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            if ( aEngine.IsRemoteDriveConnected( aDrive ) )
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                {
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                iState |= EDriveConnected;
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                }
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            }
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#ifndef RD_FILE_MANAGER_BACKUP
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        if ( iState & EDriveRemovable )
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            {
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            if ( aEngine.BackupFileExistsL( aDrive ) )
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                {
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                iState |= EDriveBackupped;
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                }
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            }
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#endif // RD_FILE_MANAGER_BACKUP
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        }
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    INFO_LOG3( "TFileManagerDriveInfo::GetInfoL - aDrive %d, err %d, iState 0x%x",
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        aDrive, err, iState )
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    if ( aEngine.FeatureManager().IsEmbedded() )
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        {
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        // Disable format in embedded mode, because it messes up 
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        // operations since embedded apps are closed.
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        iState &= ~EDriveFormattable;
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        }
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    }
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   117
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::CheckMountL()
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// -----------------------------------------------------------------------------
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// 
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void TFileManagerDriveInfo::CheckMountL(
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        RFs& aFs, const TInt aDrive ) const
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    {
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    FUNC_LOG
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   126
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    HBufC* fullname = HBufC::NewLC( KMaxFullName );
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    TPtr name( fullname->Des() );
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   129
    TInt err( aFs.FileSystemName( name, aDrive ) );
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    if ( err == KErrNone && !name.Length() )
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        {
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        // Drive isn't mounted at present, so try it now....
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        // Returns KErrLocked, if locked and the password
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        // is not in store
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        err = aFs.MountFileSystem( KFmgrFatFSName, aDrive );
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   136
        }
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   137
    CleanupStack::PopAndDestroy( fullname );
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   138
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    LOG_IF_ERROR1( err, "TFileManagerDriveInfo::CheckMountL-err=%d", err )
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    }
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   141
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::FillStateFromDriveInfo()
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// -----------------------------------------------------------------------------
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// 
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TInt TFileManagerDriveInfo::FillStateFromDriveInfo(
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#ifdef RD_MULTIPLE_DRIVE
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        RFs& aFs,
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#else // RD_MULTIPLE_DRIVE
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        RFs& /*aFs*/,
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#endif // RD_MULTIPLE_DRIVE
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        const TInt aDrive,
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   153
        const TDriveInfo& aDrvInfo )
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    {
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    FUNC_LOG
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   156
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    TInt ret( KErrNone );
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   158
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   159
#ifdef RD_MULTIPLE_DRIVE
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    TUint drvStatus( 0 );
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    TInt err( DriveInfo::GetDriveStatus( aFs, aDrive, drvStatus ) );
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   162
    if ( err != KErrNone )
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        {
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        ERROR_LOG2( "TFileManagerDriveInfo::FillStateFromDriveInfo - aDrive %d, Status err %d",
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            aDrive, err )
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   166
        }
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   167
    INFO_LOG2( "TFileManagerDriveInfo::FillStateFromDriveInfo - Media type %d, drvStatus 0x%x",
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   168
        aDrvInfo.iType, drvStatus )
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   169
    if ( aDrvInfo.iType != EMediaNotPresent && ( drvStatus & DriveInfo::EDriveInUse ) )
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   170
        {
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   171
        ret = KErrInUse; // Drive is reserved for exclusive usage like file transfer
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   172
        }
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   173
    if ( ( drvStatus & DriveInfo::EDriveInternal ) &&
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   174
        ( drvStatus & DriveInfo::EDriveExternallyMountable ) )
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   175
        {
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   176
        // Handle mass storage bits here
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   177
        iState |= EDriveMassStorage | EDriveRemovable;
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   178
        if ( aDrvInfo.iMediaAtt & KMediaAttFormattable )
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   179
            {
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   180
            iState |= EDriveFormattable;
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   181
            }
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   182
        if ( aDrvInfo.iMediaAtt & KMediaAttLocked )
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   183
            {
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   184
            // Locking internal drives is not supported
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   185
            iState |= EDriveCorrupted;
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   186
            ret = KErrCorrupt;
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   187
            }
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   188
        return ret;
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   189
        }
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   190
    if ( drvStatus & DriveInfo::EDriveUsbMemory )
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   191
        {
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   192
        iState |= EDriveUsbMemory;
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   193
        }
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   194
#endif // RD_MULTIPLE_DRIVE
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   195
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   196
    // Setup flags from drive info
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   197
    if ( aDrvInfo.iMediaAtt & KMediaAttWriteProtected )
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   198
        {
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   199
        iState |= EDriveWriteProtected;
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   200
        }
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   201
    if ( aDrvInfo.iMediaAtt & KMediaAttLocked )
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   202
        {
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   203
        iState |= EDriveLocked;
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   204
        ret = KErrLocked;
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   205
        }
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   206
    if ( aDrvInfo.iMediaAtt & KMediaAttFormattable )
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   207
        {
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   208
        iState |= EDriveFormattable;
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   209
        }
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   210
    if ( aDrvInfo.iMediaAtt & KMediaAttLockable )
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   211
        {
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   212
        iState |= EDriveLockable;
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   213
        }
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   214
    if ( aDrvInfo.iMediaAtt & KMediaAttHasPassword )
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   215
        {
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   216
        iState |= EDrivePasswordProtected;
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   217
        }
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   218
    if ( ( aDrvInfo.iDriveAtt & KDriveAttRemovable ) ||
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   219
        aDrive == KFmgrMemoryCardDrive )
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   220
        {
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   221
        iState |= EDriveRemovable;
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   222
#ifdef RD_MULTIPLE_DRIVE
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   223
        if ( drvStatus & DriveInfo::EDriveSwEjectable )
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   224
            {
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   225
            iState |= EDriveEjectable;
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   226
            }
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   227
#else // RD_MULTIPLE_DRIVE
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   228
        // Eject is possible for external memory cards
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   229
        if ( !( aDrvInfo.iDriveAtt & KDriveAttInternal ) ||
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            aDrive == KFmgrMemoryCardDrive )
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            {
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            iState |= EDriveEjectable;
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            }
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#endif // RD_MULTIPLE_DRIVE
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        }
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    if ( aDrvInfo.iDriveAtt & KDriveAttRemote )
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        {
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        iState |= EDriveRemote;
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        }
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    return ret;
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    }
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// -----------------------------------------------------------------------------
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// TFileManagerDriveInfo::FillStateFromVolumeInfo()
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// -----------------------------------------------------------------------------
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// 
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TInt TFileManagerDriveInfo::FillStateFromVolumeInfo(
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        RFs& aFs, const TInt aDrive )
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    {
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    FUNC_LOG
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    TVolumeInfo volInfo;
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    TInt ret( aFs.Volume( volInfo, aDrive ) );
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    LOG_IF_ERROR1( ret,
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        "TFileManagerDriveInfo::FillStateFromVolumeInfo - Volume err %d", ret );
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    if ( ret == KErrNone )
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        {
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        // Get all information from volume info
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        TInt maxLen( Min( volInfo.iName.Length(), KMaxVolumeName ) );
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        iName = volInfo.iName.Left( maxLen );
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        iUid = volInfo.iUniqueID;
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        iCapacity = volInfo.iSize;
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        iSpaceFree = volInfo.iFree;
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        iState |= EDrivePresent;
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        if ( volInfo.iSize )
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            {
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            iState |= EDriveFormatted;
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            }
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        ret = FillStateFromDriveInfo( aFs, aDrive, volInfo.iDrive );
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        }
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    else
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        {
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        // Get all information from drive info
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        TDriveInfo& drvInfo( volInfo.iDrive );
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        TInt err( aFs.Drive( drvInfo, aDrive ) );
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        LOG_IF_ERROR1( err,
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            "TFileManagerDriveInfo::FillStateFromVolumeInfo - Drive err %d", err );
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        if ( err == KErrNone )
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            {
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            err = FillStateFromDriveInfo( aFs, aDrive, drvInfo );
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            // If memory card is not ready but type is present,
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            // then check if it is reserved.
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            if( err == KErrNone &&
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               ret == KErrNotReady &&
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               drvInfo.iType != EMediaNotPresent )
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                {
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                // Check USB file transfer state
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                TInt prop( ECoreAppUIsUSBFileTransferUninitialized );
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                RProperty::Get(
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                    KPSUidCoreApplicationUIs,
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                    KCoreAppUIsUSBFileTransfer, prop );
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                if ( prop == ECoreAppUIsUSBFileTransferActive )
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                    {
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                    ret = KErrInUse; // Reserved for file transfer
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                    }
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                INFO_LOG2( "TFileManagerDriveInfo::FillStateFromVolumeInfo-prop=%d,ret=%d",
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                    prop, ret )
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                }
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            }
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        if ( err != KErrNone )
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            {
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            ret = err;
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            }
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        }
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    LOG_IF_ERROR2( ret,
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        "TFileManagerDriveInfo::FillStateFromVolumeInfo - aDrive %d, Ret %d",
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        aDrive, ret )
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    return ret;
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    }
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//  End of File