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/*
This file is part of the KDE project
SPDX-FileCopyrightText: 2024 Felix Ernst <[email protected]>
SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
*/
#include "bar.h"
#include "dolphinviewcontainer.h"
#include "workerintegration.h"
#include <KColorScheme>
#include <KContextualHelpButton>
#include <KIO/JobUiDelegateFactory>
#include <KIO/SimpleJob>
#include <KLocalizedString>
#include <QEvent>
#include <QGuiApplication>
#include <QHBoxLayout>
#include <QLabel>
#include <QPointer>
#include <QPushButton>
#include <QStyle>
#include <QToolButton>
#include <QWidgetAction>
using namespace Admin;
namespace
{
QPointer<KIO::SimpleJob> waitingForExpirationOfAuthorization;
}
Bar::Bar(DolphinViewContainer *parentViewContainer)
: AnimatedHeightWidget{parentViewContainer}
, m_parentViewContainer{parentViewContainer}
{
setAutoFillBackground(true);
updateColors();
QWidget *contenntsContainer = prepareContentsContainer();
m_fullLabelString = i18nc("@info label above the view explaining the state", "Acting as an Administrator — Be careful!");
m_shortLabelString = i18nc("@info label above the view explaining the state, keep short", "Acting as Admin");
m_label = new QLabel(contenntsContainer);
m_label->setMinimumWidth(0);
m_label->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard | Qt::LinksAccessibleByKeyboard); // for keyboard accessibility
m_warningButton = new KContextualHelpButton(warningMessage(), nullptr, contenntsContainer);
m_warningButton->setIcon(QIcon::fromTheme(QStringLiteral("emblem-warning")));
m_closeButton = new QPushButton(QIcon::fromTheme(QStringLiteral("window-close-symbolic")),
i18nc("@action:button Finish/Stop/Done acting as an admin", "Finish"),
contenntsContainer);
m_closeButton->setToolTip(i18nc("@info:tooltip", "Finish acting as an administrator"));
m_closeButton->setFlat(true);
connect(m_closeButton, &QAbstractButton::clicked, m_parentViewContainer, [this]() {
m_parentViewContainer->setActive(true); // Make sure the view connected to this bar is active before exiting admin mode.
QAction *actAsAdminAction = WorkerIntegration::actAsAdminAction();
if (actAsAdminAction->isChecked()) {
actAsAdminAction->trigger();
}
});
connect(m_parentViewContainer->view(), &DolphinView::urlChanged, this, [this](const QUrl &url) {
// The bar is closely related to administrative rights, so we want to hide it instantly when we are no longer using the admin protocol.
if (url.scheme() != QStringLiteral("admin")) {
setVisible(false, WithAnimation);
}
});
QHBoxLayout *layout = new QHBoxLayout(contenntsContainer);
auto contentsMargins = layout->contentsMargins();
m_preferredHeight = contentsMargins.top() + m_label->sizeHint().height() + contentsMargins.bottom();
m_warningButton->setFixedHeight(m_preferredHeight);
m_closeButton->setFixedHeight(m_preferredHeight);
layout->setContentsMargins(0, 0, 0, 0);
layout->addStretch();
layout->addWidget(m_label);
layout->addWidget(m_warningButton);
layout->addStretch();
layout->addWidget(m_closeButton);
}
bool Bar::event(QEvent *event)
{
switch (event->type()) {
case QEvent::PaletteChange:
updateColors();
break;
case QEvent::Show:
hideTheNextTimeAuthorizationExpires();
break;
default:
break;
}
return AnimatedHeightWidget::event(event);
}
void Bar::resizeEvent(QResizeEvent *resizeEvent)
{
updateLabelString();
return QWidget::resizeEvent(resizeEvent);
}
void Bar::hideTheNextTimeAuthorizationExpires()
{
if (waitingForExpirationOfAuthorization.isNull()) {
QByteArray packedArgs;
QDataStream stream(&packedArgs, QIODevice::WriteOnly);
stream << (int)1;
waitingForExpirationOfAuthorization = KIO::special(QUrl(QStringLiteral("admin:/")), packedArgs, KIO::HideProgressInfo);
waitingForExpirationOfAuthorization->setUiDelegate(KIO::createDefaultJobUiDelegate(KJobUiDelegate::AutoWarningHandlingEnabled, m_parentViewContainer));
connect(waitingForExpirationOfAuthorization, &KJob::finished, this, [](KJob *job) {
if (job->error()) {
job->uiDelegate()->showErrorMessage();
}
});
}
connect(waitingForExpirationOfAuthorization, &KJob::finished, this, [this](KJob *job) {
if (job->error()) {
return;
}
// We exit admin mode now to avoid random password prompts popping up.
QUrl viewContainerUrl = m_parentViewContainer->url();
if (viewContainerUrl.scheme() != QStringLiteral("admin")) {
return;
}
viewContainerUrl.setScheme("file");
m_parentViewContainer->setUrl(viewContainerUrl);
// Explain to users that their admin authorization expired.
if (!m_reenableActAsAdminAction) {
auto actAsAdminAction = WorkerIntegration::actAsAdminAction();
m_reenableActAsAdminAction =
new QAction{actAsAdminAction->icon(), i18nc("@action:button shown after acting as admin ended", "Act as Administrator Again"), this};
m_reenableActAsAdminAction->setToolTip(actAsAdminAction->toolTip());
m_reenableActAsAdminAction->setWhatsThis(actAsAdminAction->whatsThis());
connect(m_reenableActAsAdminAction, &QAction::triggered, this, [this, actAsAdminAction]() {
m_parentViewContainer->setActive(true);
actAsAdminAction->trigger();
});
}
m_parentViewContainer->showMessage(i18nc("@info", "Administrator authorization has expired."),
KMessageWidget::Information,
{m_reenableActAsAdminAction});
});
}
void Bar::updateColors()
{
QPalette palette = parentWidget()->palette();
KColorScheme colorScheme{QPalette::Normal, KColorScheme::ColorSet::Window};
colorScheme.adjustBackground(palette, KColorScheme::NegativeBackground, QPalette::Window, KColorScheme::ColorSet::Window);
colorScheme.adjustForeground(palette, KColorScheme::NegativeText, QPalette::WindowText, KColorScheme::ColorSet::Window);
setPalette(palette);
}
void Bar::updateLabelString()
{
QFontMetrics fontMetrics = m_label->fontMetrics();
if (fontMetrics.horizontalAdvance(m_fullLabelString) + m_warningButton->sizeHint().width() + m_closeButton->sizeHint().width()
+ style()->pixelMetric(QStyle::PM_LayoutLeftMargin) * 2 + style()->pixelMetric(QStyle::PM_LayoutRightMargin) * 2
< width()) {
m_label->setText(m_fullLabelString);
} else {
m_label->setText(m_shortLabelString);
}
}
#include "moc_bar.cpp"
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