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/***************************************************************************
krdirwatch.cpp
-------------------
copyright : (C) 2000 by Shie Erlich & Rafi Yanai
e-mail : [email protected]
web site : http://krusader.sourceforge.net
---------------------------------------------------------------------------
Description
***************************************************************************
A
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YP YD 88 YD ~Y8888P' `8888Y' YP YP Y8888D' Y88888P 88 YD
S o u rc e F i l e
***************************************************************************
* *
* This program 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. *
* *
***************************************************************************/
#include "krdirwatch.h"
#include <unistd.h>
#include <sys/types.h>
#include <kdebug.h>
#include "krpermhandler.h"
#include "tqstringlist.h"
#include <tqdir.h>
KRdirWatch::KRdirWatch(int msec,bool dirOnly):
delay(msec),t(this), changed(false) {
if(dirOnly) dir.setFilter( TQDir::Dirs | TQDir::Hidden | TQDir::NoSymLinks );
watched.setAutoDelete(true);
connect(&t,TQT_SIGNAL(timeout()),this, TQT_SLOT(checkDirs()));
startScan();
}
KRdirWatch::~KRdirWatch(){
clearList();
stopScan();
}
void KRdirWatch::removeDir(TQString path){
t.stop();
for ( it = watched.first(); it != 0; )
if (it->path == path) watched.remove();
else it = watched.next();
if (!stopped) startScan();
}
void KRdirWatch::addDir(TQString path, bool checkPermissions){
t.stop();
krDirEntry* temp = new krDirEntry;
if (!dir.cd(path)){ // if it's not a dir or don't exist - don't add it
//kdDebug() << "KRDirWatch: can't watch " + path +", (don't exist)" << endl;
return;
}
if( checkPermissions ) {
// if we can't read it - don't bother
if (getgid() != 0 && !KRpermHandler::fileReadable(path) ){
//kdDebug() << "KRDirWatch: can't watch " + path +", (not readable)" << endl;
return;
}
if (!KRpermHandler::fileWriteable(path) ){ // read-only directorys can't be changed
//kdDebug() << "KRDirWatch: not watching " + path +", (read-only directory)" << endl;
return;
}
}
qfi.setFile(path);
temp->path = dir.path();
temp->count = dir.entryList(TQDir::All | TQDir::AccessMask).count();
temp->lastModified = qfi.lastModified();
watched.append(temp);
if (!stopped) startScan();
}
// here we do the actual checking
void KRdirWatch::checkDirs(){
t.stop();
TQString path;
unsigned long count;
TQDateTime dt;
for ( it = watched.first(); it != 0; it = watched.next() ){
path = it->path;
qfi.setFile(path);
if (!dir.cd(path)){
clearList();
emit dirty();
return;
}
dt = qfi.lastModified();
count = dir.entryList(TQDir::All | TQDir::AccessMask).count();
// check for changes
if(it->lastModified!=dt || it->count!=count){
changed = true;
it->lastModified=dt;
it->count=count;
startScan();
return;
}
if(changed){
changed = false;
clearList();
emit dirty();
return;
}
}
if (!stopped) startScan();
}
#include "krdirwatch.moc"
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