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/***************************************************************************
* Copyright © 2010 Jonathan Thomas <echidnaman@kubuntu.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) version 3 or any later version *
* accepted by the membership of KDE e.V. (or its successor approved *
* by the membership of KDE e.V.), which shall act as a proxy *
* defined in Section 14 of version 3 of the license. *
* *
* 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, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#include "StatusWidget.h"
// Qt includes
#include <QtCore/QStringBuilder>
#include <QtCore/QTimer>
#include <QtGui/QHBoxLayout>
#include <QtGui/QLabel>
#include <QtGui/QProgressBar>
// KDE includes
#include <KGlobal>
#include <KLocale>
// LibQApt includes
#include <LibQApt/Backend>
StatusWidget::StatusWidget(QWidget *parent)
: QWidget(parent)
, m_backend(0)
{
m_countsLabel = new QLabel(this);
m_countsLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred);
m_downloadLabel = new QLabel(this);
m_downloadLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter);
const int fontHeight = QFontMetrics(m_countsLabel->font()).height();
m_xapianProgress = new QProgressBar(this);
m_xapianProgress->setMaximumSize(250, fontHeight);
m_xapianProgress->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
m_xapianProgress->setFormat(i18nc("@info:status", "Rebuilding Search Index"));
m_xapianProgress->setTextVisible(true);
m_xapianProgress->hide();
m_xapianTimeout = new QTimer(this);
// Time out if no progress at all is made in 10 seconds
m_xapianTimeout->setInterval(10000);
m_xapianTimeout->setSingleShot(true);
connect(m_xapianTimeout, SIGNAL(timeout()), this, SLOT(hideXapianProgress()));
QHBoxLayout* topLayout = new QHBoxLayout(this);
setLayout(topLayout);
topLayout->setMargin(0);
topLayout->setSpacing(4);
topLayout->addWidget(m_countsLabel);
topLayout->addWidget(m_downloadLabel);
topLayout->addWidget(m_xapianProgress);
}
void StatusWidget::setBackend(QApt::Backend *backend)
{
m_backend = backend;
connect(m_backend, SIGNAL(packageChanged()),
this, SLOT(updateStatus()));
connect(m_backend, SIGNAL(xapianUpdateStarted()),
this, SLOT(showXapianProgress()));
connect(m_backend, SIGNAL(xapianUpdateProgress(int)),
this, SLOT(updateXapianProgress(int)));
updateStatus();
}
void StatusWidget::updateStatus()
{
if (m_backend->xapianIndexNeedsUpdate())
m_backend->updateXapianIndex();
int upgradeable = m_backend->packageCount(QApt::Package::Upgradeable);
bool showChanges = m_backend->areChangesMarked();
QString availableText = i18ncp("@info:status", "1 package available, ", "%1 packages available, ", m_backend->packageCount());
QString installText = i18nc("@info:status", "%1 installed, ", m_backend->installedCount());
QString upgradeableText;
if (upgradeable > 0 && showChanges) {
upgradeableText = i18nc("@info:status", "%1 upgradeable,", upgradeable);
} else {
upgradeableText = i18nc("@info:status", "%1 upgradeable", upgradeable);
m_countsLabel->setText(availableText % installText % upgradeableText);
}
if (showChanges) {
int toInstallOrUpgrade = m_backend->toInstallCount();
int toRemove = m_backend->toRemoveCount();
QString toInstallOrUpgradeText;
QString toRemoveText;
if (toInstallOrUpgrade > 0) {
toInstallOrUpgradeText = i18nc("@info:status Part of the status label", " %1 to install/upgrade", toInstallOrUpgrade);
}
if (toRemove > 0 && toInstallOrUpgrade > 0) {
toRemoveText = i18nc("@info:status Label for the number of packages pending removal when packages are also pending upgrade",
", %1 to remove", toRemove);
} else if (toRemove > 0) {
toRemoveText = i18nc("@info:status Label for the number of packages pending removal when there are only removals",
" %1 to remove", toRemove);
}
m_countsLabel->setText(availableText % installText % upgradeableText %
toInstallOrUpgradeText % toRemoveText);
qint64 installSize = m_backend->installSize();
if (installSize < 0) {
installSize = -installSize;
m_downloadLabel->setText(i18nc("@label showing download and install size", "%1 to download, %2 of space to be freed",
KGlobal::locale()->formatByteSize(m_backend->downloadSize()),
KGlobal::locale()->formatByteSize(installSize)));
} else {
m_downloadLabel->setText(i18nc("@label showing download and install size", "%1 to download, %2 of space to be used",
KGlobal::locale()->formatByteSize(m_backend->downloadSize()),
KGlobal::locale()->formatByteSize(installSize)));
}
m_downloadLabel->show();
} else {
m_downloadLabel->hide();
}
}
void StatusWidget::showXapianProgress()
{
m_xapianProgress->show();
m_xapianTimeout->start();
}
void StatusWidget::hideXapianProgress()
{
m_xapianProgress->hide();
m_xapianTimeout->stop();
}
void StatusWidget::updateXapianProgress(int percentage)
{
m_xapianProgress->setValue(percentage);
m_xapianTimeout->start();
}
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