File indexing completed on 2024-04-21 16:30:36

 // SPDX-License-Identifier: GPL-3.0-or-later
 /*
   Copyright 2017 - 2023 Martin Koller, kollix@aon.at
 
   This file is part of liquidshell.
 
   liquidshell 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 3 of the License, or
   (at your option) any later version.
 
   liquidshell 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 liquidshell.  If not, see <http://www.gnu.org/licenses/>.
 */
 
 #include <PkUpdateList.hxx>
 #include <DesktopWidget.hxx>
 
 #include <QScrollBar>
 #include <QGridLayout>
 #include <QVBoxLayout>
 #include <QCheckBox>
 #include <QLineEdit>
 #include <QPushButton>
 #include <QProgressBar>
 #include <QToolButton>
 #include <QIcon>
 #include <QDBusConnection>
 #include <QStyle>
 #include <QApplication>
 #include <QScreen>
 #include <QMessageBox>
 #include <QTextEdit>
 #include <QMenu>
 #include <QDialog>
 #include <QDialogButtonBox>
 #include <QCryptographicHash>
 #include <QDebug>
 
 #include <KLocalizedString>
 #include <KNotification>
 
 //#define TEST_LOGOUT
 //#define TEST_REBOOT
 
 //--------------------------------------------------------------------------------
 
 PkUpdateListItem::PkUpdateListItem(QWidget *parent, PackageKit::Transaction::Info info, const PkUpdates::PackageData &data)
   : QWidget(parent), package(data)
 {
   setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
 
   QGridLayout *grid = new QGridLayout(this);
   grid->setContentsMargins(QMargins());
   grid->setSpacing(0);
 
   checkBox = new QCheckBox;
   checkBox->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
   grid->addWidget(checkBox, 0, 0);
 
   QString icon;
   switch ( info )
   {
     case PackageKit::Transaction::InfoSecurity: icon = "update-high"; break;
     case PackageKit::Transaction::InfoImportant: icon = "update-medium"; break;
     case PackageKit::Transaction::InfoBugfix: icon = "update-low"; break;
     default: ;
   }
   QLabel *iconLabel = new QLabel;
   iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
   iconLabel->setPixmap(QIcon::fromTheme(icon).pixmap(16));
   grid->addWidget(iconLabel, 0, 1);
 
   checkBox->setChecked(!icon.isEmpty());  // auto-check the important ones
   connect(checkBox, &QCheckBox::toggled, this, &PkUpdateListItem::toggled);
 
   label = new QToolButton;
   label->setAutoRaise(true);
   label->setText(package.summary + " [" +
                  PackageKit::Daemon::packageName(package.id) + ", " +
                  PackageKit::Daemon::packageVersion(package.id) + ']');
   grid->addWidget(label, 0, 2, Qt::AlignLeft);
 
   detailsLabel = new QLabel;
   detailsLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
   detailsLabel->setIndent(30);
   detailsLabel->setAlignment(Qt::AlignLeft);
   grid->addWidget(detailsLabel, 1, 2);
   detailsLabel->hide();
 
   connect(label, &QToolButton::clicked, this, &PkUpdateListItem::getUpdateDetails);
 
   {
     QHBoxLayout *progressHbox = new QHBoxLayout;
     progressHbox->setSpacing(10);
     progress = new QProgressBar;
     progress->setFixedWidth(300);
     progressHbox->addWidget(progress);
 
     errorLabel = new QLabel;
     errorLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
     errorLabel->hide();
     progressHbox->addWidget(errorLabel);
 
     packageLabel = new QLabel;
     packageLabel->setTextInteractionFlags(Qt::TextBrowserInteraction);
     packageLabel->hide();
     progressHbox->addWidget(packageLabel);
 
     grid->addLayout(progressHbox, 2, 2, Qt::AlignLeft);
     showProgress(false);
   }
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateListItem::showProgress(bool yes)
 {
   progress->setValue(0);
   progress->setVisible(yes);
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateListItem::getUpdateDetails()
 {
   if ( !detailsLabel->isHidden() )
   {
     detailsLabel->hide();
     return;
   }
 
   //qDebug() << "getUpdateDetails" << package.id << PackageKit::Daemon::packageName(package.id);
   PackageKit::Transaction *transaction = PackageKit::Daemon::getUpdateDetail(package.id);
   detailsLabel->setText(i18n("Getting details ..."));
   detailsLabel->show();
 
   connect(transaction, &PackageKit::Transaction::updateDetail, this, &PkUpdateListItem::updateDetail);
 
   connect(transaction, &PackageKit::Transaction::errorCode, this,
           [this](PackageKit::Transaction::Error error, const QString &details)
           {
             Q_UNUSED(error)
             detailsLabel->setText(details);
           });
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateListItem::updateDetail(const QString &packageID,
                                     const QStringList &updates,
                                     const QStringList &obsoletes,
                                     const QStringList &vendorUrls,
                                     const QStringList &bugzillaUrls,
                                     const QStringList &cveUrls,
                                     PackageKit::Transaction::Restart restart,
                                     const QString &updateText,
                                     const QString &changelog,
                                     PackageKit::Transaction::UpdateState state,
                                     const QDateTime &issued,
                                     const QDateTime &updated)
 {
   Q_UNUSED(packageID)
   Q_UNUSED(updates)
   Q_UNUSED(obsoletes)
   Q_UNUSED(vendorUrls)
   Q_UNUSED(bugzillaUrls)
   Q_UNUSED(cveUrls)
   Q_UNUSED(changelog)
   Q_UNUSED(state)
   Q_UNUSED(issued)
   Q_UNUSED(updated)
 
   QString text;
 
   if ( restart == PackageKit::Transaction::RestartSession )
     text = i18n("<b>Session restart required</b><br>");
   else if ( restart == PackageKit::Transaction::RestartSystem )
     text = i18n("<b>Reboot required</b><br>");
 
   text += updateText.trimmed();
   text.replace("\n", "<br>");
 
   detailsLabel->setText(text);
 }
 
 //--------------------------------------------------------------------------------
 //--------------------------------------------------------------------------------
 //--------------------------------------------------------------------------------
 
 PkUpdateList::PkUpdateList(QWidget *parent)
   : QWidget(parent), restart(PackageKit::Transaction::RestartNone)
 {
   setWindowFlags(windowFlags() | Qt::Tool);
   setWindowTitle(i18n("Software Updates"));
 
   vbox = new QVBoxLayout(this);
   QMargins margins = vbox->contentsMargins();
   vbox->setContentsMargins(QMargins(0, -1, 0, 0));
 
   // action buttons
   QHBoxLayout *hbox = new QHBoxLayout;
   margins.setTop(0);
   margins.setBottom(0);
   hbox->setContentsMargins(margins);
 
   checkAllBox = new QCheckBox(i18n("All"));
   connect(checkAllBox, &QCheckBox::toggled, this, &PkUpdateList::checkAll);
 
   filterEdit = new QLineEdit;
   filterEdit->setPlaceholderText(i18n("Filter"));
   filterEdit->setClearButtonEnabled(true);
   connect(filterEdit, &QLineEdit::textEdited, this, &PkUpdateList::filterChanged);
 
   // create "busy" indicator
   progressBar = new QProgressBar;
 
   installButton = new QToolButton;
   installButton->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
   installButton->setText(i18n("Install"));
   installButton->setEnabled(false);
   connect(installButton, &QToolButton::clicked, [this]() { afterInstall = AfterInstall::Nothing; install(); });
 
   // more install options
   installMenu = new QMenu;
   installMenu->addAction(i18n("Install, then Sleep"), this, [this]() { afterInstall = AfterInstall::Sleep; install(); });
   installMenu->addAction(i18n("Install, then Shutdown"), this, [this]() { afterInstall = AfterInstall::Shutdown; install(); });
   installButton->setMenu(installMenu);
 
   refreshButton = new QToolButton;
   refreshButton->setText(i18n("Refresh"));
   connect(refreshButton, &QToolButton::clicked, this, [this]() { setPackages(PkUpdates::PackageList()); emit refreshRequested(); });
 
   hbox->addWidget(checkAllBox);
   hbox->addWidget(filterEdit);
   hbox->addWidget(progressBar);
   hbox->addWidget(installButton);
   hbox->addWidget(refreshButton);
   vbox->addLayout(hbox);
 
   // list of items in the order: security, important, bugfix, others
   scrollArea = new QScrollArea;
   scrollArea->setWidgetResizable(true);
 
   vbox->addWidget(scrollArea);
 
   QWidget *w = new QWidget;
   vbox = new QVBoxLayout(w);
   itemsLayout = new QVBoxLayout;
   itemsLayout->setSpacing(0);
   vbox->addLayout(itemsLayout);
   vbox->addStretch();
 
   scrollArea->setWidget(w);
 }
 
 //--------------------------------------------------------------------------------
 
 QSize PkUpdateList::sizeHint() const
 {
   QSize s;
 
   if ( savedSize.isValid() )
     s = savedSize;
   else
   {
     s = scrollArea->widget()->sizeHint() + QSize(2 * scrollArea->frameWidth(), 2 * scrollArea->frameWidth());
     s.setWidth(s.width() + scrollArea->verticalScrollBar()->sizeHint().width());
     s.setHeight(layout()->contentsMargins().top() + installButton->sizeHint().height() +
                 ((layout()->spacing() == -1) ? style()->pixelMetric(QStyle::PM_DefaultLayoutSpacing) : layout()->spacing()) +
                 s.height() + layout()->contentsMargins().bottom());
 
     s = s.expandedTo(QSize(500, 300));
   }
 
   // Qt doc: The size of top-level widgets are constrained to 2/3 of the desktop's height and width.
   QSize screen = DesktopWidget::availableSize();
   s = s.boundedTo(screen * 2 / 3);
 
   return s;
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::hideEvent(QHideEvent *event)
 {
   Q_UNUSED(event)
 
   if ( itemsLayout->count() )
     savedSize = size();
   else
     savedSize = QSize();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::setRefreshProgress(int progress)
 {
   if ( progress >= 100 )
   {
     filterEdit->show();
     progressBar->hide();
     refreshButton->setEnabled(true);
   }
   else if ( progress == 0 )
   {
     // we don't know if there will be a value between 0..100
     // Until the first value arrives, use a busy indicator
     progressBar->setMinimum(0);
     progressBar->setMaximum(0);
     progressBar->setValue(0);
     progressBar->show();
     filterEdit->hide();
     refreshButton->setEnabled(false);
   }
   else
   {
     progressBar->setMinimum(0);
     progressBar->setMaximum(100);
     progressBar->setValue(progress);
   }
 }
 
 //--------------------------------------------------------------------------------
 
 bool comparePackageData(const PkUpdates::PackageData &a, const PkUpdates::PackageData &b)
 {
   return a.summary.localeAwareCompare(b.summary) < 0;
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::setPackages(const PkUpdates::PackageList &packages)
 {
   itemsLayout->parentWidget()->layout()->setEnabled(false);
   itemsLayout->setEnabled(false);
 
   QLayoutItem *child;
   while ( (child = itemsLayout->takeAt(0)) )
   {
     delete child->widget();
     delete child;
   }
 
   checkAllBox->setChecked(false);
 
   QList<PkUpdates::PackageData> list = packages.values(PackageKit::Transaction::InfoSecurity);
   std::sort(list.begin(), list.end(), comparePackageData);
   for (const PkUpdates::PackageData &data : list)
   {
     auto *item = new PkUpdateListItem(itemsLayout->parentWidget(), PackageKit::Transaction::InfoSecurity, data);
     connect(item, &PkUpdateListItem::toggled, this, &PkUpdateList::countChecked);
     itemsLayout->addWidget(item);
     item->show();
   }
 
   list = packages.values(PackageKit::Transaction::InfoImportant);
   std::sort(list.begin(), list.end(), comparePackageData);
   for (const PkUpdates::PackageData &data : list)
   {
     auto *item = new PkUpdateListItem(itemsLayout->parentWidget(), PackageKit::Transaction::InfoImportant, data);
     connect(item, &PkUpdateListItem::toggled, this, &PkUpdateList::countChecked);
     itemsLayout->addWidget(item);
     item->show();
   }
 
   list = packages.values(PackageKit::Transaction::InfoBugfix);
   std::sort(list.begin(), list.end(), comparePackageData);
   for (const PkUpdates::PackageData &data : list)
   {
     auto *item = new PkUpdateListItem(itemsLayout->parentWidget(), PackageKit::Transaction::InfoBugfix, data);
     connect(item, &PkUpdateListItem::toggled, this, &PkUpdateList::countChecked);
     itemsLayout->addWidget(item);
     item->show();
   }
 
   // all the others
   list.clear();
   for (PkUpdates::PackageList::const_iterator it = packages.constBegin(); it != packages.constEnd(); ++it)
   {
     if ( (it.key() != PackageKit::Transaction::InfoSecurity) &&
          (it.key() != PackageKit::Transaction::InfoImportant) &&
          (it.key() != PackageKit::Transaction::InfoBugfix) )
     {
       list.append(it.value());
     }
   }
   std::sort(list.begin(), list.end(), comparePackageData);
   for (const PkUpdates::PackageData &data : list)
   {
     auto *item = new PkUpdateListItem(itemsLayout->parentWidget(), PackageKit::Transaction::InfoUnknown, data);
     connect(item, &PkUpdateListItem::toggled, this, &PkUpdateList::countChecked);
     itemsLayout->addWidget(item);
     item->show();
   }
 
   itemsLayout->setEnabled(true);
 
   filterChanged(filterEdit->text());
 
   countChecked();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::checkAll(bool on)
 {
   for (int i = 0; i < itemsLayout->count(); i++)
   {
     PkUpdateListItem *item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
     if ( item && !item->isHidden() )
     {
       item->checkBox->blockSignals(true);
       item->checkBox->setChecked(on);
       item->checkBox->blockSignals(false);
     }
   }
   countChecked();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::countChecked()
 {
   int count = 0;
 
   for (int i = 0; i < itemsLayout->count(); i++)
   {
     PkUpdateListItem *item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
     if ( item && !item->isHidden() && item->checkBox->isChecked() )
       count++;
   }
 
   if ( count )
   {
     installButton->setText(i18np("Install %1 package", "Install %1 packages", count));
     installButton->setEnabled(true);
     installButton->setMenu(installMenu);
   }
   else
   {
     installButton->setText(i18n("Install"));
     installButton->setEnabled(false);
   }
   installButton->setIcon(QIcon());
   refreshButton->setEnabled(true);
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::filterChanged(const QString &text)
 {
   itemsLayout->parentWidget()->layout()->setEnabled(false);
 
   for (int i = 0; i < itemsLayout->count(); i++)
   {
     PkUpdateListItem *item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
     item->setVisible(text.isEmpty() || (item->label->text().indexOf(text, 0, Qt::CaseInsensitive) != -1));
   }
 
   itemsLayout->parentWidget()->layout()->setEnabled(true);
   countChecked();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::install()
 {
   if ( !installQ.isEmpty() )  // installation in progress; cancel it
   {
     QPointer<PkUpdateListItem> currentItem = installQ.head();
 
     if ( transaction )
     {
       QDBusPendingReply<> reply = transaction->cancel();
       reply.waitForFinished();
       if ( reply.isError() && currentItem )
       {
         currentItem->errorLabel->setText(reply.error().message());
         currentItem->errorLabel->show();
       }
     }
 
     for (int i = 0; i < itemsLayout->count(); i++)
     {
       PkUpdateListItem *item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
       if ( !transaction || (item != currentItem) )
       {
         item->showProgress(false);
         item->errorLabel->hide();
       }
     }
 
     installQ.clear();
     emit packageCountToInstall(0);
 
     countChecked();
     return;
   }
 
   restart = PackageKit::Transaction::RestartNone;
 
   for (int i = 0; i < itemsLayout->count(); i++)
   {
     QPointer<PkUpdateListItem> item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
     if ( item && !item->isHidden() && item->checkBox->isChecked() )
     {
       item->showProgress(true);
       item->errorLabel->hide();
       item->detailsLabel->hide();
 
       installQ.enqueue(item);
     }
   }
 
   installOne();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::enqueue(const QString &packageID)
 {
   // find and add item with packageID
   for (int i = 0; i < itemsLayout->count(); i++)
   {
     QPointer<PkUpdateListItem> item = qobject_cast<PkUpdateListItem *>(itemsLayout->itemAt(i)->widget());
 
     if ( item && (item->package.id == packageID) )
     {
       item->showProgress(true);
       item->errorLabel->hide();
       item->detailsLabel->hide();
 
       installQ.enqueue(item);
       break;
     }
   }
 
   if ( !installQ.isEmpty() )
     installOne();
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::installOne()
 {
   emit packageCountToInstall(installQ.count());
 
   if ( installQ.isEmpty() ) // installation finished
   {
     if ( restart != PackageKit::Transaction::RestartNone )
     {
       QString text;
 
       if ( ((restart == PackageKit::Transaction::RestartSystem) ||
             (restart == PackageKit::Transaction::RestartSecuritySystem)) &&
            (afterInstall != AfterInstall::Shutdown) )  // when we shutdown, no need to tell the user to restart
       {
         KNotification *notif = new KNotification("restart needed", KNotification::Persistent);
         notif->setWidget(parentWidget());
 
         notif->setTitle(i18n("System Reboot Required"));
         notif->setText(i18n("One of the installed packages requires a system reboot"));
         notif->setActions(QStringList() << i18n("Reboot System"));
 
         connect(notif, &KNotification::action1Activated, this,
                 []()
                 {
                   QDBusMessage msg = QDBusMessage::createMethodCall("org.kde.ksmserver", "/KSMServer",
                                                                     "org.kde.KSMServerInterface", "logout");
                   msg << 0/*no confirm*/ << 1/*reboot*/ << 0; // plasma-workspace/libkworkspace/kworkspace.h
 
                   QDBusConnection::sessionBus().send(msg);
                 });
 
         notif->sendEvent();
       }
       else if ( (restart == PackageKit::Transaction::RestartSession) ||
                 (restart == PackageKit::Transaction::RestartSecuritySession) )
       {
         KNotification *notif = new KNotification("restart needed", KNotification::Persistent);
         notif->setWidget(parentWidget());
 
         notif->setTitle(i18n("Session Restart Required"));
         notif->setText(i18n("One of the installed packages requires you to logout"));
         notif->setActions(QStringList() << i18n("Logout"));
 
         connect(notif, &KNotification::action1Activated, this,
                 []()
                 {
                   QDBusMessage msg = QDBusMessage::createMethodCall("org.kde.ksmserver", "/KSMServer",
                                                                     "org.kde.KSMServerInterface", "logout");
                   msg << 0/*no confirm*/ << 0/*logout*/ << 0; // plasma-workspace/libkworkspace/kworkspace.h
 
                   QDBusConnection::sessionBus().send(msg);
                 });
 
         notif->sendEvent();
       }
     }
 
     countChecked();
 
     if ( eulaDialogs.isEmpty() )
     {
       if ( afterInstall == AfterInstall::Sleep )
       {
         QDBusMessage msg = QDBusMessage::createMethodCall("org.freedesktop.PowerManagement",
                                                           "/org/freedesktop/PowerManagement",
                                                           "org.freedesktop.PowerManagement", "Suspend");
 
         QDBusConnection::sessionBus().send(msg);
       }
       else if ( afterInstall == AfterInstall::Shutdown )
       {
         QDBusMessage msg = QDBusMessage::createMethodCall("org.kde.ksmserver", "/KSMServer",
                                                           "org.kde.KSMServerInterface", "logout");
         msg << 0/*no confirm*/ << 2/*halt*/ << 0; // plasma-workspace/libkworkspace/kworkspace.h
 
         QDBusConnection::sessionBus().send(msg);
       }
     }
 
     return;
   }
 
   QPointer<PkUpdateListItem> item = installQ.head();
 
   if ( !item )
     return;
 
   installButton->setText(i18n("Cancel Installation"));
   installButton->setMenu(nullptr);
   installButton->setIcon(QIcon::fromTheme("process-stop"));
   refreshButton->setEnabled(false);
 
   PackageKit::Transaction::TransactionFlag flag = PackageKit::Transaction::TransactionFlagOnlyTrusted;
 #ifdef TEST_LOGOUT
   flag |= PackageKit::Transaction::TransactionFlagSimulate;
   restart = PackageKit::Transaction::RestartSession;
 #elif defined TEST_REBOOT
   flag |= PackageKit::Transaction::TransactionFlagSimulate;
   restart = PackageKit::Transaction::RestartSystem;
 #endif
   transaction = PackageKit::Daemon::updatePackage(item->package.id, flag);
   packageNoLongerAvailable = false;
   //qDebug() << "installing" << item->package.id;
 
   connect(transaction.data(), &PackageKit::Transaction::allowCancelChanged, this,
           [this]()
           {
             installButton->setEnabled(transaction->allowCancel());
           });
 
   connect(transaction.data(), &PackageKit::Transaction::statusChanged, this,
           [item, this]()
           {
             if ( !item )  // already deleted
               return;
 
             //qDebug() << "status" << QMetaEnum::fromType<PackageKit::Transaction::Status>().valueToKey(transaction->status());
             QString text;
             switch ( transaction->status() )
             {
               case PackageKit::Transaction::StatusWait: text = i18n("Waiting"); break;
               case PackageKit::Transaction::StatusWaitingForAuth: text = i18n("Waiting for authentication"); break;
               case PackageKit::Transaction::StatusDepResolve: text = i18n("Resolving dependencies"); break;
               case PackageKit::Transaction::StatusUpdate: text = i18n("Updating"); break;
               case PackageKit::Transaction::StatusInstall: text = i18n("Installing"); break;
               case PackageKit::Transaction::StatusDownload: text = i18n("Downloading"); break;
               case PackageKit::Transaction::StatusCancel: text = i18n("Canceling"); break;
               case PackageKit::Transaction::StatusFinished: return;  // don't hide error label
               default: return;
             }
 
             if ( text.isEmpty() )
               item->errorLabel->hide();
             else
             {
               item->errorLabel->setText(text);
               item->errorLabel->show();
             }
           });
 
   connect(transaction.data(), &PackageKit::Transaction::itemProgress, this,
           [item](const QString &itemID, PackageKit::Transaction::Status status, uint percentage)
           {
             Q_UNUSED(status)
 
             if ( !item )  // already deleted
               return;
 
             item->packageLabel->setText(PackageKit::Daemon::packageName(itemID));
             item->packageLabel->show();
 
             if ( percentage <= 100 )  // 101 .. unknown
               item->progress->setValue(percentage);
           });
 
   connect(transaction.data(), &PackageKit::Transaction::requireRestart, this,
           [this](PackageKit::Transaction::Restart type, const QString &/*packageID*/)
           {
             // keep most important restart type: System, Session
             if ( (type == PackageKit::Transaction::RestartSystem) ||
                  (type == PackageKit::Transaction::RestartSecuritySystem) ||
 
                  (((type == PackageKit::Transaction::RestartSession) ||
                    (type == PackageKit::Transaction::RestartSecuritySession)) &&
                    (restart != PackageKit::Transaction::RestartSystem) &&
                    (restart != PackageKit::Transaction::RestartSecuritySystem)) )
               restart = type;
           });
 
   connect(transaction.data(), &PackageKit::Transaction::eulaRequired, this, &PkUpdateList::askEULA);
 
   connect(transaction.data(), &PackageKit::Transaction::repoSignatureRequired, this,
           [this](const QString &packageID,
                  const QString &repoName,
                  const QString &keyUrl,
                  const QString &keyUserid,
                  const QString &keyId,
                  const QString &keyFingerprint,
                  const QString &keyTimestamp,
                  PackageKit::Transaction::SigType type)
           {
             if ( QMessageBox::question(this, i18n("Validate Signature"),
                                        QString("%1\n%2\n%3\n%4\n%5\n%6\n%7")
                                                .arg(packageID)
                                                .arg(repoName)
                                                .arg(keyUrl)
                                                .arg(keyUserid)
                                                .arg(keyId)
                                                .arg(keyFingerprint)
                                                .arg(keyTimestamp)) == QMessageBox::Yes )
             {
               PackageKit::Daemon::installSignature(type, keyId, packageID);
             }
           });
 
   connect(transaction.data(), &PackageKit::Transaction::errorCode, this,
           [item, this](PackageKit::Transaction::Error error, const QString &details)
           {
             if ( !item )
               return;
 
             item->showProgress(false);
             item->errorLabel->setText(details);
             item->errorLabel->show();
             //qDebug() << "errorCode" << details << QMetaEnum::fromType<PackageKit::Transaction::Error>().valueToKey(error);
 
             if ( (error == PackageKit::Transaction::ErrorDepResolutionFailed) &&
                  (transaction->status() == PackageKit::Transaction::StatusSetup) )
             {
               // when a package was already installed due to another dependency, then it's no more an update candidate.
               // Still the finished() signal will arrive which will do cleanup (delete item, dequeue, etc.).
               packageNoLongerAvailable = true;
             }
           });
 
   connect(transaction.data(), &PackageKit::Transaction::finished, this,
           [item, this](PackageKit::Transaction::Exit status, uint runtime)
           {
             Q_UNUSED(runtime)
 
             if ( !item )
               return;
 
             if ( (status == PackageKit::Transaction::ExitSuccess) || packageNoLongerAvailable )
             {
               item->hide();
               item->deleteLater();
               emit packageInstalled(item->package.id);
             }
             else
             {
               item->showProgress(false);
               item->detailsLabel->setText(i18n("Update failed"));
               item->detailsLabel->show();
             }
 
             if ( !installQ.isEmpty() )  // might have been cancelled, q cleared
               installQ.dequeue();
 
             installOne();
           });
 }
 
 //--------------------------------------------------------------------------------
 
 void PkUpdateList::askEULA(const QString &eulaID, const QString &packageID,
                            const QString &vendor, const QString &licenseAgreement)
 {
   // I get several different eulaIDs but each having the same licenseAgreement text. Don't bother the user
   // showing multiple times the same licenseAgreement
   QByteArray hash = QCryptographicHash::hash(licenseAgreement.trimmed().toUtf8(), QCryptographicHash::Sha1);
 
   //qDebug() << "askEULA" << eulaID << packageID << hash.toBase64();
 
   // we can get multiple signals for the same eulaID
   // when installing multiple packages using the same EULA
   // or we get different eulaIDs with the same text
   if ( eulaDialogs.contains(hash) )
   {
     bool found = false;
     for (const EulaPackage &ep : eulaDialogs.values(hash))
     {
       if ( ep.eulaID == eulaID )
       {
         found = true;
         break;
       }
     }
 
     if ( !found )
       eulaDialogs.insert(hash, EulaPackage(eulaID, packageID));
 
     return;
   }
 
   if ( acceptedEula.contains(hash) )
   {
     //qDebug() << "already accepted - enqueue again";
     PackageKit::Daemon::acceptEula(eulaID);
     enqueue(packageID);
     return;
   }
 
   eulaDialogs.insert(hash, EulaPackage(eulaID, packageID));
 
   QDialog *dialog = new QDialog;
   dialog->setModal(false);
   dialog->setWindowTitle(i18n("Accept EULA"));
 
   QVBoxLayout *vbox = new QVBoxLayout(dialog);
   QHBoxLayout *hbox = new QHBoxLayout;
 
   QLabel *iconLabel = new QLabel;
   iconLabel->setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
   iconLabel->setAlignment(Qt::AlignTop);
   QIcon icon = style()->standardIcon(QStyle::SP_MessageBoxQuestion, nullptr, this);
   int iconSize = style()->pixelMetric(QStyle::PM_MessageBoxIconSize, nullptr, this);
   iconLabel->setPixmap(icon.pixmap(windowHandle(), QSize(iconSize, iconSize)));
 
   QLabel *label = new QLabel(i18n("<html>Do you accept the following license agreement "
                                   "for package<br>%1<br>from vendor<br>%2 ?</html>").arg(packageID, vendor));
   label->setAlignment(Qt::AlignVCenter | Qt::AlignLeft);
   label->setTextInteractionFlags(Qt::TextBrowserInteraction);
 
   hbox->addWidget(iconLabel);
   hbox->addWidget(label);
 
   vbox->addLayout(hbox);
 
   QTextEdit *textEdit = new QTextEdit;
   textEdit->setPlainText(licenseAgreement);
   textEdit->setReadOnly(true);
   vbox->addWidget(textEdit);
 
   QDialogButtonBox *buttonBox = new QDialogButtonBox();
   buttonBox->setCenterButtons(style()->styleHint(QStyle::SH_MessageBox_CenterButtons, nullptr, this));
   buttonBox->setStandardButtons(QDialogButtonBox::Yes | QDialogButtonBox::No);
   buttonBox->button(QDialogButtonBox::Yes)->setDefault(true);
 
   connect(buttonBox, &QDialogButtonBox::accepted, dialog, &QDialog::accept);
   connect(buttonBox, &QDialogButtonBox::rejected, dialog, &QDialog::reject);
   vbox->addWidget(buttonBox);
 
   connect(dialog, &QDialog::finished, this,
           [this, dialog, hash](int result)
           {
             if ( result == QDialog::Accepted )
             {
               for (const EulaPackage &ep : eulaDialogs.values(hash))
               {
                 PackageKit::Daemon::acceptEula(ep.eulaID);
                 enqueue(ep.packageID);
               }
 
               acceptedEula.insert(hash);
             }
 
             eulaDialogs.remove(hash);
             dialog->deleteLater();
           });
 
   // The dialog will be shown non modal and used asynchronously to the installation.
   // PackageKit Daemon will already finish this package with an error of
   // something like "you need to agree/decline the license"
   // So when the user decides what to do, he must afterwards start the installation
   // for this package again
   dialog->show();
 }
 
 //--------------------------------------------------------------------------------