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363 lines
7.0 KiB
363 lines
7.0 KiB
/* This file is part of FSView.
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Copyright (C) 2002, 2003 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>
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KCachegrind is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public
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License as published by the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <tqdir.h>
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#include <tqstringlist.h>
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#include <kapplication.h>
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#include <kdebug.h>
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#include "scan.h"
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#include "inode.h"
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// ScanManager
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ScanManager::ScanManager()
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{
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_topDir = 0;
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_listener = 0;
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}
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ScanManager::ScanManager(const TQString& path)
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{
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_topDir = 0;
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_listener = 0;
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setTop(path);
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}
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ScanManager::~ScanManager()
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{
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stopScan();
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if (_topDir) delete _topDir;
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}
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void ScanManager::setListener(ScanListener* l)
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{
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_listener = l;
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}
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ScanDir* ScanManager::setTop(const TQString& path, int data)
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{
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stopScan();
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if (_topDir) {
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delete _topDir;
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_topDir = 0;
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}
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if (!path.isEmpty()) {
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_topDir = new ScanDir(path, this, 0, data);
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}
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return _topDir;
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}
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bool ScanManager::scanRunning()
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{
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if (!_topDir) return false;
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return _topDir->scanRunning();
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}
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void ScanManager::startScan(ScanDir* from)
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{
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if (!_topDir) return;
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if (!from) from = _topDir;
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if (scanRunning()) stopScan();
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from->clear();
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if (from->parent())
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from->parent()->setupChildRescan();
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_list.append(new ScanItem(from->path(),from));
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}
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void ScanManager::stopScan()
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{
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if (!_topDir) return;
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if (0) kdDebug(90100) << "ScanManager::stopScan, scanLength "
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<< _list.count() << endl;
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ScanItem* si;
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while( (si=_list.take(0))!=0 ) {
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si->dir->finish();
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delete si;
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}
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}
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int ScanManager::scan(int data)
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{
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ScanItem* si = _list.take(0);
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if (!si) return false;
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int newCount = si->dir->scan(si, _list, data);
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delete si;
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return newCount;
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}
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// ScanFile
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ScanFile::ScanFile()
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{
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_size = 0;
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_listener = 0;
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}
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ScanFile::ScanFile(const TQString& n, TDEIO::fileoffset_t s)
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{
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_name = n;
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_size = s;
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_listener = 0;
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}
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ScanFile::~ScanFile()
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{
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if (_listener) _listener->destroyed(this);
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}
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// ScanDir
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ScanDir::ScanDir()
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{
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_dirty = true;
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_dirsFinished = -1; /* scan not started */
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_parent = 0;
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_manager = 0;
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_listener = 0;
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_data = 0;
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}
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ScanDir::ScanDir(const TQString& n, ScanManager* m,
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ScanDir* p, int data)
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: _name(n)
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{
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_dirty = true;
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_dirsFinished = -1; /* scan not started */
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_parent = p;
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_manager = m;
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_listener = 0;
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_data = data;
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}
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ScanDir::~ScanDir()
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{
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if (_listener) _listener->destroyed(this);
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}
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void ScanDir::setListener(ScanListener* l)
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{
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_listener = l;
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}
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TQString ScanDir::path()
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{
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if (_parent) {
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TQString p = _parent->path();
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if (!p.endsWith("/")) p += "/";
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return p + _name;
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}
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return _name;
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}
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void ScanDir::clear()
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{
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_dirty = true;
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_dirsFinished = -1; /* scan not started */
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_files.clear();
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_dirs.clear();
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}
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void ScanDir::update()
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{
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if (!_dirty) return;
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_dirty = false;
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_fileCount = 0;
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_dirCount = 0;
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_size = 0;
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if (_dirsFinished == -1) return;
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if (_files.count()>0) {
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_fileCount += _files.count();
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_size = _fileSize;
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}
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if (_dirs.count()>0) {
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_dirCount += _dirs.count();
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ScanDirVector::iterator it;
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for( it = _dirs.begin(); it != _dirs.end(); ++it ) {
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(*it).update();
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_fileCount += (*it)._fileCount;
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_dirCount += (*it)._dirCount;
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_size += (*it)._size;
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}
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}
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}
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int ScanDir::scan(ScanItem* si, ScanItemList& list, int data)
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{
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clear();
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_dirsFinished = 0;
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_fileSize = 0;
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_dirty = true;
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KURL u;
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u.setPath(si->absPath);
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if (!kapp->authorizeURLAction("list", KURL(), u)) {
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if (_parent)
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_parent->subScanFinished();
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return 0;
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}
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TQDir d(si->absPath);
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TQStringList fileList = d.entryList( TQDir::Files |
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TQDir::Hidden | TQDir::NoSymLinks );
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if (fileList.count()>0) {
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KDE_struct_stat buff;
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_files.reserve(fileList.count());
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TQStringList::Iterator it;
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for (it = fileList.begin(); it != fileList.end(); ++it ) {
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KDE_lstat( TQFile::encodeName(si->absPath + "/" + (*it)), &buff );
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_files.append( ScanFile(*it, buff.st_size) );
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_fileSize += buff.st_size;
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}
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}
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TQStringList dirList = d.entryList( TQDir::Dirs |
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TQDir::Hidden | TQDir::NoSymLinks );
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if (dirList.count()>2) {
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_dirs.reserve(dirList.count()-2);
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TQStringList::Iterator it;
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for (it = dirList.begin(); it != dirList.end(); ++it ) {
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if ( ((*it) == "..") || ((*it) == ".") ) continue;
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_dirs.append( ScanDir(*it, _manager, this, data) );
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list.append( new ScanItem( si->absPath + "/" + (*it),
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&(_dirs.last()) ));
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}
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_dirCount += _dirs.count();
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}
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callScanStarted();
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callSizeChanged();
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if (_dirs.count() == 0) {
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callScanFinished();
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if (_parent)
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_parent->subScanFinished();
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}
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return _dirs.count();
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}
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void ScanDir::subScanFinished()
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{
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_dirsFinished++;
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callSizeChanged();
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if (0) kdDebug(90100) << "ScanDir::subScanFinished [" << path()
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<< "]: " << _dirsFinished << "/" << _dirs.count() << endl;
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if (_dirsFinished < (int)_dirs.count()) return;
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/* all subdirs read */
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callScanFinished();
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if (_parent)
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_parent->subScanFinished();
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}
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void ScanDir::finish()
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{
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if (scanRunning()) {
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_dirsFinished = (int)_dirs.count();
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callScanFinished();
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}
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if (_parent)
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_parent->finish();
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}
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void ScanDir::setupChildRescan()
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{
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if (_dirs.count() == 0) return;
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_dirsFinished = 0;
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ScanDirVector::iterator it;
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for( it = _dirs.begin(); it != _dirs.end(); ++it )
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if ((*it).scanFinished()) _dirsFinished++;
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if (_parent &&
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(_dirsFinished < (int)_dirs.count()) )
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_parent->setupChildRescan();
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callScanStarted();
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}
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void ScanDir::callScanStarted()
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{
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if (0) kdDebug(90100) << "ScanDir:Started [" << path()
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<< "]: size " << size() << ", files " << fileCount() << endl;
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ScanListener* mListener = _manager ? _manager->listener() : 0;
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if (_listener) _listener->scanStarted(this);
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if (mListener) mListener->scanStarted(this);
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}
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void ScanDir::callSizeChanged()
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{
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if (0) kdDebug(90100) << ". [" << path()
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<< "]: size " << size() << ", files " << fileCount() << endl;
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_dirty = true;
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if (_parent) _parent->callSizeChanged();
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ScanListener* mListener = _manager ? _manager->listener() : 0;
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if (_listener) _listener->sizeChanged(this);
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if (mListener) mListener->sizeChanged(this);
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}
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void ScanDir::callScanFinished()
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{
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if (0) kdDebug(90100) << "ScanDir:Finished [" << path()
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<< "]: size " << size() << ", files " << fileCount() << endl;
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ScanListener* mListener = _manager ? _manager->listener() : 0;
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if (_listener) _listener->scanFinished(this);
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if (mListener) mListener->scanFinished(this);
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}
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