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146 lines
3.9 KiB
146 lines
3.9 KiB
/***************************************************************************
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sq_threaddirlister.cpp - description
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-------------------
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begin : Feb 10 2007
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copyright : (C) 2007 by Baryshev Dmitry
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email : ksquirrel.iv@gmail.com
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <tqfile.h>
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#include <tqdir.h>
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#include <tqobject.h>
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#include <tqfileinfo.h>
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#include <tqdatetime.h>
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#include <tqapplication.h>
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#include <kconfig.h>
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#include <kglobal.h>
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#include "sq_threaddirlister.h"
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SQ_ThreadDirLister::SQ_ThreadDirLister(TQObject *o)
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: TQThread(), obj(o)
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{
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cache = new TDEConfig("ksquirrel-tree-cache");
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dir = 0;
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}
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SQ_ThreadDirLister::~SQ_ThreadDirLister()
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{
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// sync() & delete
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delete cache;
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}
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void SQ_ThreadDirLister::run()
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{
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KURL url;
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TQString path, name, filepath;
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dirent *file;
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int count_files, count_dirs;
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TQDateTime dt, dt_def;
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TQFileInfo fi;
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bool b_read;
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static const TQString &dot = TDEGlobal::staticQString(".");
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static const TQString &dotdot = TDEGlobal::staticQString("..");
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while(true)
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{
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waitMutex();
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count_files = todo.count();
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unlock();
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if(!count_files) break;
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waitMutex();
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url = todo.first();
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unlock();
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path = url.path();
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count_files = count_dirs = 0;
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b_read = true;
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fi.setFile(path);
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if(cache->hasGroup(path))
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{
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cache->setGroup(path);
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dt = cache->readDateTimeEntry("modified", &dt_def);
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// compare cached time and real time
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if(dt.isValid() && fi.lastModified() == dt)
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{
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count_files = cache->readNumEntry("count_files", 0);
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count_dirs = cache->readNumEntry("count_dirs", 0);
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b_read = false;
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}
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}
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if(b_read)
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{
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dir = opendir(TQFile::encodeName(path));
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dt = fi.lastModified(); // save directory last modified time
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if(dir)
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{
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while((file = readdir(dir)))
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{
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name = TQFile::decodeName(file->d_name);
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if(name != dot && name != dotdot)
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{
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filepath = path + TQDir::separator() + name;
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fi.setFile(filepath);
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if(fi.isDir())
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count_dirs++;
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else
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count_files++;
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}
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}
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closeDir();
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}
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else // opendir() failed, this value won't be cached
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b_read = false;
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}
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waitMutex();
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todo.pop_front();
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unlock();
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// cache only new values
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if(b_read)
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{
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cache->setGroup(path);
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cache->writeEntry("modified", dt);
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cache->writeEntry("count_files", count_files);
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cache->writeEntry("count_dirs", count_dirs);
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}
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TQApplication::postEvent(obj, new SQ_ItemsEvent(url, count_files, count_dirs));
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}// while
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}
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void SQ_ThreadDirLister::closeDir()
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{
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if(dir)
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{
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closedir(dir);
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dir = 0;
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}
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}
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