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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 <KDiskFreeSpaceInfo>
#include <kmountpoint.h>
#include <klocale.h>
#include <kio/job.h>
#include <QTimer>
#include <QKeyEvent>
StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
KCapacityBar(KCapacityBar::DrawTextInline, parent),
m_kBSize(0),
m_timer(0)
{
// Use a timer to update the space information. Polling is useful
// here, as files can be deleted/added outside the scope of Dolphin.
m_timer = new QTimer(this);
connect(m_timer, SIGNAL(timeout()), this, SLOT(refresh()));
}
StatusBarSpaceInfo::~StatusBarSpaceInfo()
{
}
void StatusBarSpaceInfo::setUrl(const KUrl& url)
{
m_url = url;
refresh();
}
KUrl StatusBarSpaceInfo::url() const
{
return m_url;
}
void StatusBarSpaceInfo::showEvent(QShowEvent* event)
{
KCapacityBar::showEvent(event);
if (!event->spontaneous()) {
refresh();
m_timer->start(10000);
}
}
void StatusBarSpaceInfo::hideEvent(QHideEvent* event)
{
m_timer->stop();
KCapacityBar::hideEvent(event);
}
void StatusBarSpaceInfo::refresh()
{
if (!isVisible()) {
return;
}
// KDiskFreeSpace is for local paths only
if (!m_url.isLocalFile()) {
setText(i18nc("@info:status", "Unknown size"));
setValue(0);
update();
return;
}
KMountPoint::Ptr mp = KMountPoint::currentMountPoints().findByPath(m_url.toLocalFile());
if (!mp) {
return;
}
KDiskFreeSpaceInfo job = KDiskFreeSpaceInfo::freeSpaceInfo(mp->mountPoint());
if (!job.isValid()) {
setText(i18nc("@info:status", "Unknown size"));
setValue(0);
update();
return;
}
KIO::filesize_t kBSize = job.size() / 1024;
KIO::filesize_t kBUsed = job.used() / 1024;
const bool valuesChanged = (kBUsed != static_cast<quint64>(value())) || (kBSize != m_kBSize);
if (valuesChanged) {
setText(i18nc("@info:status Free disk space", "%1 free",
KIO::convertSize(job.available())));
setUpdatesEnabled(false);
m_kBSize = kBSize;
setValue(kBSize > 0 ? (kBUsed * 100) / kBSize : 0);
setUpdatesEnabled(true);
update();
}
}
#include "statusbarspaceinfo.moc"
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