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/***************************************************************************
* Copyright (C) 2006 by Peter Penz ([email protected]) and *
* and Patrice Tremblay *
* *
* 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, Boston, MA 02110-1301 USA *
***************************************************************************/
#include "statusbarspaceinfo.h"
#include <kdiskfreespace.h>
#include <kmountpoint.h>
#include <klocale.h>
#include <kio/job.h>
#include <QTimer>
#include <QKeyEvent>
StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
QProgressBar(parent),
m_gettingSize(false),
m_foundMountPoint(false),
m_text()
{
setMinimum(0);
setMaximum(0);
setMaximumWidth(200);
// Update the space information each 10 seconds. Polling is useful
// here, as files can be deleted/added outside the scope of Dolphin.
QTimer* timer = new QTimer(this);
connect(timer, SIGNAL(timeout()), this, SLOT(refresh()));
timer->start(10000);
}
StatusBarSpaceInfo::~StatusBarSpaceInfo()
{
}
void StatusBarSpaceInfo::setUrl(const KUrl& url)
{
m_url = url;
refresh();
}
QString StatusBarSpaceInfo::text() const
{
return m_text;
}
void StatusBarSpaceInfo::slotFoundMountPoint(const QString& mountPoint,
quint64 kBSize,
quint64 kBUsed,
quint64 kBAvailable)
{
Q_UNUSED(kBSize);
Q_UNUSED(mountPoint);
m_gettingSize = false;
m_foundMountPoint = true;
const bool valuesChanged = (kBUsed != static_cast<quint64>(value())) ||
(kBAvailable != static_cast<quint64>(maximum()));
if (valuesChanged) {
m_text = i18nc("@info:status Free disk space", "%1 free", KIO::convertSize(kBAvailable * 1024));
setMaximum(kBSize);
setValue(kBUsed);
}
}
void StatusBarSpaceInfo::slotDiskFreeSpaceDone()
{
if (m_foundMountPoint) {
return;
}
m_gettingSize = false;
m_text = i18nc("@info:status", "Unknown size");
setMinimum(0);
setMaximum(0);
setValue(0);
}
void StatusBarSpaceInfo::refresh()
{
// KDiskFreeSpace is for local paths only
if (!m_url.isLocalFile()) {
m_text = i18nc("@info:status", "Unknown size");
update();
return;
}
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(m_url.path());
if (!mp) {
return;
}
m_gettingSize = true;
m_foundMountPoint = false;
KDiskFreeSpace* job = new KDiskFreeSpace(this);
connect(job, SIGNAL(foundMountPoint(const QString&,
quint64,
quint64,
quint64)),
this, SLOT(slotFoundMountPoint(const QString&,
quint64,
quint64,
quint64)));
connect(job, SIGNAL(done()), this, SLOT(slotDiskFreeSpaceDone()));
job->readDF(mp->mountPoint());
// refresh() is invoked for each directory change. Usually getting
// the size information can be done very fast, so to prevent any
// flickering the "Getting size..." indication is only shown if
// at least 300 ms have been passed.
QTimer::singleShot(300, this, SLOT(showGettingSizeInfo()));
}
void StatusBarSpaceInfo::showGettingSizeInfo()
{
if (m_gettingSize) {
m_text = i18nc("@info:status", "Getting size...");
update();
setMinimum(0);
setMaximum(0);
}
}
#include "statusbarspaceinfo.moc"
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