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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 "spaceinfoobserver.h"
#include <KLocalizedString>
#include <KNS3/KMoreToolsMenuFactory>
#include <QMouseEvent>
StatusBarSpaceInfo::StatusBarSpaceInfo(QWidget* parent) :
KCapacityBar(KCapacityBar::DrawTextInline, parent),
m_observer(nullptr)
{
setCursor(Qt::PointingHandCursor);
}
StatusBarSpaceInfo::~StatusBarSpaceInfo()
{
}
void StatusBarSpaceInfo::setShown(bool shown)
{
m_shown = shown;
if (!m_shown) {
hide();
m_ready = false;
}
}
void StatusBarSpaceInfo::setUrl(const QUrl& url)
{
if (m_url != url) {
m_url = url;
m_ready = false;
if (m_observer) {
m_observer.reset(new SpaceInfoObserver(m_url, this));
connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged);
}
}
}
QUrl StatusBarSpaceInfo::url() const
{
return m_url;
}
void StatusBarSpaceInfo::update()
{
if (m_observer) {
m_observer->update();
}
}
void StatusBarSpaceInfo::showEvent(QShowEvent* event)
{
if (m_shown) {
if (m_ready) {
KCapacityBar::showEvent(event);
}
if (m_observer.isNull()) {
m_observer.reset(new SpaceInfoObserver(m_url, this));
connect(m_observer.data(), &SpaceInfoObserver::valuesChanged, this, &StatusBarSpaceInfo::slotValuesChanged);
}
}
}
void StatusBarSpaceInfo::hideEvent(QHideEvent* event)
{
if (m_ready) {
m_observer.reset();
m_ready = false;
}
KCapacityBar::hideEvent(event);
}
void StatusBarSpaceInfo::mousePressEvent(QMouseEvent* event)
{
if (event->button() == Qt::LeftButton) {
// Creates a menu with tools that help to find out more about free
// disk space for the given url.
// Note that this object must live long enough in case the user opens
// the "Configure..." dialog
KMoreToolsMenuFactory menuFactory(QStringLiteral("dolphin/statusbar-diskspace-menu"));
menuFactory.setParentWidget(this);
auto menu = menuFactory.createMenuFromGroupingNames(
{ "disk-usage", "more:", "disk-partitions" }, m_url);
menu->exec(QCursor::pos());
}
}
void StatusBarSpaceInfo::slotValuesChanged()
{
Q_ASSERT(m_observer);
const quint64 size = m_observer->size();
if (!m_shown || size == 0) {
hide();
return;
}
m_ready = true;
const quint64 available = m_observer->available();
const quint64 used = size - available;
const int percentUsed = qRound(100.0 * qreal(used) / qreal(size));
setText(i18nc("@info:status Free disk space", "%1 free", KIO::convertSize(available)));
setUpdatesEnabled(false);
setValue(percentUsed);
setUpdatesEnabled(true);
if (!isVisible()) {
show();
} else {
update();
}
}
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