Files
cantata/devices/mountpoints.cpp
craig.p.drummond@gmail.com 07b5cdb0fa Fix KDE compile.
2012-10-18 11:06:36 +00:00

87 lines
2.3 KiB
C++

/*
* Cantata
*
* Copyright (c) 2011-2012 Craig Drummond <craig.p.drummond@gmail.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; 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "mountpoints.h"
#include <QtCore/QSocketNotifier>
#include <QtCore/QFile>
#include <QtCore/QStringList>
#ifdef ENABLE_KDE_SUPPORT
#include <KDE/KGlobal>
K_GLOBAL_STATIC(MountPoints, instance)
#endif
MountPoints * MountPoints::self()
{
#ifdef ENABLE_KDE_SUPPORT
return instance;
#else
static MountPoints *instance=0;
if(!instance) {
instance=new MountPoints;
}
return instance;
#endif
}
MountPoints::MountPoints()
: token(0)
{
mounts=new QFile("/proc/mounts", this);
if (mounts && mounts->open(QIODevice::ReadOnly)) {
QSocketNotifier *notifier = new QSocketNotifier(mounts->handle(), QSocketNotifier::Exception, mounts);
connect(notifier, SIGNAL(activated(int)), this, SLOT(updateMountPoints()));
updateMountPoints();
} else if (mounts) {
mounts->deleteLater();
mounts=0;
}
}
void MountPoints::updateMountPoints()
{
QSet<QString> entries;
QFile f("/proc/mounts");
if (f.open(QIODevice::ReadOnly|QIODevice::Text)) {
QStringList lines=QString(f.readAll()).split("\n");
foreach (const QString &l, lines) {
QStringList parts = l.split(' ');
if (parts.size()>=2) {
entries.insert(QString(parts.at(1)).replace("\\040", " "));
}
}
}
if (entries!=current) {
token++;
current=entries;
emit updated();
}
}
bool MountPoints::isMounted(const QString &mp) const
{
return current.contains(mp);
}