125 lines
3.2 KiB
C++

// vim: set tabstop=4 shiftwidth=4 expandtab:
/*
Gwenview: an image viewer
Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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.
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.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Cambridge, MA 02110-1301, USA.
*/
// Self
#include "urlutils.h"
// Qt
#include <QApplication>
#include <QFile>
#include <QFileInfo>
#include <QUrl>
// KF
#include <KIO/StatJob>
#include <KJobWidgets>
#include <KMountPoint>
#include <KProtocolManager>
// Local
#include <archiveutils.h>
#include <mimetypeutils.h>
namespace Gwenview
{
namespace UrlUtils
{
bool urlIsFastLocalFile(const QUrl &url)
{
if (!url.isLocalFile()) {
return false;
}
// Only query the mountpoint when we haven't queried it for this folder before
static QString lastFolder;
static KMountPoint::Ptr lastMountPoint;
const QString fileName = url.toLocalFile();
const QString currentFolder = fileName.left(fileName.lastIndexOf(QLatin1Char('/')));
if (currentFolder != lastFolder) {
lastFolder = currentFolder;
KMountPoint::List list = KMountPoint::currentMountPoints();
lastMountPoint = list.findByPath(url.toLocalFile());
}
if (!lastMountPoint) {
// We couldn't find a mount point for the url. We are probably in a
// chroot. Assume everything is fast then.
return true;
}
return !lastMountPoint->probablySlow();
}
bool urlIsDirectory(const QUrl &url)
{
if (url.fileName().isEmpty()) {
return true; // file:/somewhere/<nothing here>
}
// Do direct stat instead of using KIO if the file is local (faster)
if (UrlUtils::urlIsFastLocalFile(url)) {
return QFileInfo(url.toLocalFile()).isDir();
}
const QWidgetList list = QApplication::topLevelWidgets();
QWidget *parent;
if (!list.isEmpty()) {
parent = list[0];
} else {
parent = nullptr;
}
KIO::StatJob *job = KIO::stat(url);
KJobWidgets::setWindow(job, parent);
if (job->exec()) {
return job->statResult().isDir();
}
return false;
}
QUrl fixUserEnteredUrl(const QUrl &in)
{
if (!in.isRelative() && !in.isLocalFile()) {
return in;
}
const QFileInfo info(in.toLocalFile());
const QString path = info.absoluteFilePath();
QUrl out = QUrl::fromLocalFile(path);
const QString mimeType = MimeTypeUtils::urlMimeType(out);
const QString protocol = ArchiveUtils::protocolForMimeType(mimeType);
if (!protocol.isEmpty()) {
QUrl tmp = out;
tmp.setScheme(protocol);
if (KProtocolManager::supportsListing(tmp)) {
out = tmp;
}
}
return out;
}
} // namespace
} // namespace