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/******************************************************************************
*
* Copyright (C) 2002 Hugo PEREIRA <mailto: hugo.pereira@free.fr>
*
* This is free software; you can redistribute it and/or modify it under the
* terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later
* version.
*
* This software is distributed in the hope that it will be useful, but WITHOUT
* Any WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
*******************************************************************************/
#include "FileThread.h"
#include "Debug.h"
#include <QMetaType>
//______________________________________________________
FileThread::FileThread( QObject* parent ):
QThread( parent ),
Counter( "FileThread" )
{ qRegisterMetaType<File::List>( "File::List" ); }
//______________________________________________________
void FileThread::run()
{
totalSize_ = 0;
files_.clear();
filesRecursive_.clear();
error_ = false;
// process command
switch( command_ )
{
case Command::List:
case Command::ListRecursive:
case Command::SizeRecursive:
{
_listFiles( file_ );
break;
}
case Command::Copy:
{
if( !file_.copy( destination_ ) )
{
error_ = true;
errorString_ = QString( tr("Failed to copy %1 to %2") ).arg( file_ ).arg( destination_ );
}
break;
}
default: break;
}
// emit (recomputed) total size
switch( command_ )
{
case Command::SizeRecursive:
_computeTotalSize();
emit sizeAvailable( totalSize_ );
break;
case Command::List:
if( !files_.empty() )
{ emit filesAvailable( files_ ); }
break;
default: break;
}
return;
}
//______________________________________________________
void FileThread::_listFiles( const File& parent )
{
File::ListFlags flags( File::ListFlag::None );
// show hidden files flag
if( (flags_&File::ListFlag::ShowHiddenFiles) || command_ == Command::SizeRecursive )
{ flags |= File::ListFlag::ShowHiddenFiles; }
// follow link flags, always on for first path
// it is decided again for listRecursive when storing subdirectories
flags |= File::ListFlag::FollowLinks;
// clear current list of files
files_.clear();
File::List directories;
for( const auto& file:parent.listFiles( flags ) )
{
files_ << file;
if( command_ == Command::ListRecursive || command_ == Command::SizeRecursive )
{
filesRecursive_ << file;
if( file.isDirectory() && ( !file.isLink() || (command_ == Command::ListRecursive && (flags_&File::ListFlag::FollowLinks) ) ) )
{ directories << file; }
}
}
// emit files available
if( command_ == Command::ListRecursive )
{ emit filesAvailable( files_ ); }
// emit total size update
if( command_ == Command::SizeRecursive && _updateTotalSize() )
{ emit sizeAvailable( totalSize_ ); }
// list sub-directories if needed
if( command_ == Command::ListRecursive || command_ == Command::SizeRecursive )
{
for( const auto& file:directories )
{ _listFiles( file ); }
}
}
//______________________________________________________
bool FileThread::_updateTotalSize()
{
qint64 size(0);
for( const auto& file:files_ )
{ if( !file.isLink() ) size += file.fileSize(); }
if( size >= 0 )
{
totalSize_+= size;
return true;
} else return false;
}
//______________________________________________________
void FileThread::_computeTotalSize()
{
totalSize_ = 0;
for( const auto& file:filesRecursive_ )
{ if( !file.isLink() ) totalSize_ += file.fileSize(); }
return;
}
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