nextcloud-desktop/src/gui/folderwatcher_qt.cpp
2014-11-09 22:34:07 +01:00

107 lines
3.2 KiB
C++

/*
* Copyright (C) by Klaas Freitag <freitag@owncloud.com>
*
* 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; version 2 of the License.
*
* This program 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.
*/
#include "folderwatcher.h"
#include "folderwatcher_qt.h"
#include <QDir>
#include <QFileInfo>
#include <QDebug>
namespace OCC {
FolderWatcherPrivate::FolderWatcherPrivate()
:QObject(), _parent(0)
{
}
FolderWatcherPrivate::FolderWatcherPrivate(FolderWatcher *p, const QString &path)
: QObject(), _parent(p)
{
_watcher.reset(new QFileSystemWatcher);
QObject::connect(_watcher.data(), SIGNAL(directoryChanged(QString)),
_parent, SLOT(changeDetected(QString)) );
QMetaObject::invokeMethod(this, "slotAddFolderRecursive", Q_ARG(QString, path));
}
// attention: result list passed by reference!
bool FolderWatcherPrivate::findFoldersBelow( const QDir& dir, QStringList& fullList )
{
bool ok = true;
if( !(dir.exists() && dir.isReadable()) ) {
qDebug() << "Non existing path coming in: " << dir.absolutePath();
ok = false;
} else {
QStringList nameFilter;
nameFilter << QLatin1String("*");
QDir::Filters filter = QDir::Dirs | QDir::NoDotAndDotDot|QDir::NoSymLinks;
const QStringList pathes = dir.entryList(nameFilter, filter);
QStringList::const_iterator constIterator;
for (constIterator = pathes.constBegin(); constIterator != pathes.constEnd();
++constIterator) {
const QString fullPath(dir.path()+QLatin1String("/")+(*constIterator));
fullList.append(fullPath);
ok = findFoldersBelow(QDir(fullPath), fullList);
}
}
return ok;
}
void FolderWatcherPrivate::slotAddFolderRecursive(const QString &path)
{
int subdirs = 0;
qDebug() << "(+) Watcher:" << path;
_watcher->addPath(path);
const QStringList watchedFolders(_watcher->directories());
QStringList allSubfolders;
if( !findFoldersBelow(QDir(path), allSubfolders)) {
qDebug() << "Could not traverse all sub folders";
}
// qDebug() << "currently watching " << watchedFolders;
QStringListIterator subfoldersIt(allSubfolders);
while (subfoldersIt.hasNext()) {
QString subfolder = subfoldersIt.next();
// qDebug() << " (**) subfolder: " << subfolder;
QDir folder (subfolder);
if (folder.exists() && !watchedFolders.contains(folder.path())) {
subdirs++;
if( _parent->pathIsIgnored(subfolder) ) {
qDebug() << "* Not adding" << folder.path();
continue;
}
_watcher->addPath(folder.path());
} else {
qDebug() << " `-> discarded:" << folder.path();
}
}
if (subdirs >0) {
qDebug() << " `-> and" << subdirs << "subdirectories";
}
}
void FolderWatcherPrivate::removePath(const QString &path )
{
_watcher->removePath(path);
}
} // namespace OCC