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/**
* Copyright (C) 2021-2024 Saturneric <eric@bktus.com>
*
* This file is part of GpgFrontend.
*
* GpgFrontend 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.
*
* GpgFrontend 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 GpgFrontend. If not, see <https://www.gnu.org/licenses/>.
*
* The initial version of the source code is inherited from
* the gpg4usb project, which is under GPL-3.0-or-later.
*
* All the source code of GpgFrontend was modified and released by
* Saturneric <eric@bktus.com> starting on May 12, 2021.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*
*/
#include "UpdateTab.h"
#include "GFModule.h"
#include "UpdateChecker.h"
#include "UpdatePresentation.h"
#include "VersionCheckingModule.h"
namespace {
constexpr auto kDownloadPage =
"https://www.gpgfrontend.bktus.com/overview/downloads/";
auto ToneIcon(const QStyle* style, UpdateTone tone) -> QIcon {
switch (tone) {
case UpdateTone::kGood:
return style->standardIcon(QStyle::SP_DialogApplyButton);
case UpdateTone::kAttention:
return style->standardIcon(QStyle::SP_MessageBoxWarning);
case UpdateTone::kNeutral:
break;
}
return style->standardIcon(QStyle::SP_MessageBoxInformation);
}
} // namespace
UpdateTab::UpdateTab(QWidget* parent)
: QWidget(parent), checker_(VersionChecker()) {
icon_ = new QLabel(this);
icon_->setAlignment(Qt::AlignTop);
headline_ = new QLabel(this);
headline_->setWordWrap(true);
auto headline_font = headline_->font();
headline_font.setBold(true);
headline_font.setPointSizeF(headline_font.pointSizeF() * 1.25);
headline_->setFont(headline_font);
detail_ = new QLabel(this);
detail_->setWordWrap(true);
notice_ = new QLabel(this);
notice_->setWordWrap(true);
freshness_ = new QLabel(this);
freshness_->setWordWrap(true);
freshness_->setForegroundRole(QPalette::PlaceholderText);
auto small_font = freshness_->font();
small_font.setPointSizeF(small_font.pointSizeF() * 0.9);
freshness_->setFont(small_font);
auto* text_column = new QVBoxLayout();
text_column->setSpacing(4);
text_column->addWidget(headline_);
text_column->addWidget(detail_);
text_column->addWidget(notice_);
text_column->addWidget(freshness_);
auto* header = new QHBoxLayout();
header->setSpacing(12);
header->addWidget(icon_, 0, Qt::AlignTop);
header->addLayout(text_column, 1);
busy_ = new QProgressBar(this);
busy_->setRange(0, 0);
busy_->setTextVisible(false);
busy_->setMaximumHeight(6);
check_btn_ = new QPushButton(this);
check_btn_->setIcon(QIcon::fromTheme("view-refresh"));
download_btn_ = new QPushButton(this);
download_btn_->setIcon(QIcon::fromTheme("download"));
download_btn_->setDefault(true);
auto* actions = new QHBoxLayout();
actions->addWidget(busy_, 1);
actions->addStretch();
actions->addWidget(check_btn_);
actions->addWidget(download_btn_);
notes_toggle_ = new QToolButton(this);
notes_toggle_->setText(tr("Release notes"));
notes_toggle_->setCheckable(true);
notes_toggle_->setToolButtonStyle(Qt::ToolButtonTextBesideIcon);
notes_toggle_->setArrowType(Qt::RightArrow);
notes_toggle_->setAutoRaise(true);
notes_ = new QTextBrowser(this);
notes_->setOpenExternalLinks(true);
notes_->hide();
auto* layout = new QVBoxLayout(this);
layout->addLayout(header);
layout->addSpacing(8);
layout->addLayout(actions);
layout->addSpacing(8);
layout->addWidget(notes_toggle_, 0, Qt::AlignLeft);
layout->addWidget(notes_, 1);
layout->addStretch();
// Wide enough that a headline wraps at most once; the height follows the
// content (see fit_window()).
setMinimumWidth(fontMetrics().averageCharWidth() * 64);
connect(notes_toggle_, &QToolButton::toggled, this, [this](bool open) {
notes_toggle_->setArrowType(open ? Qt::DownArrow : Qt::RightArrow);
notes_->setVisible(open);
fit_window();
});
connect(check_btn_, &QPushButton::clicked, this, [this] {
if (!checker_.isNull()) checker_->Start(CheckMode::kForce);
});
connect(download_btn_, &QPushButton::clicked, this, [] {
QDesktopServices::openUrl(QUrl(QString::fromLatin1(kDownloadPage)));
});
if (!checker_.isNull()) {
connect(checker_, &UpdateChecker::Changed, this, [this] {
// An update found while the page is open has been seen.
if (isVisible()) checker_->Acknowledge();
render();
});
}
// Readable at once: a check that finished before this dialog existed has
// left its answer in the checker, not in a signal already gone.
render();
}
void UpdateTab::render() {
if (checker_.isNull()) {
UpdateView view;
view.headline = tr("Update checking is unavailable");
view.check_enabled = false;
view.check_label = tr("Check now");
apply(view);
return;
}
apply(PresentUpdate(checker_->State(), QDateTime::currentDateTime()));
}
void UpdateTab::fit_window() {
// Deferred: the layout settles the new content first. The frame is the
// window; this page fills it, so fitting the window fits the page. It
// keeps its place on screen, and overrides a size remembered from a page
// that showed something else.
QTimer::singleShot(0, this, [this] {
if (isVisible()) window()->adjustSize();
});
}
void UpdateTab::apply(const UpdateView& view) {
const auto icon_size = style()->pixelMetric(QStyle::PM_MessageBoxIconSize);
icon_->setPixmap(ToneIcon(style(), view.tone).pixmap(icon_size, icon_size));
headline_->setText(view.headline);
detail_->setText(view.detail);
detail_->setVisible(!view.detail.isEmpty());
notice_->setText(view.notice);
notice_->setVisible(!view.notice.isEmpty());
freshness_->setText(view.freshness);
freshness_->setVisible(!view.freshness.isEmpty());
busy_->setVisible(view.busy);
check_btn_->setText(view.check_label);
check_btn_->setEnabled(view.check_enabled);
download_btn_->setText(view.download_label);
download_btn_->setVisible(view.show_download);
notes_toggle_->setVisible(view.show_notes);
if (view.show_notes) {
notes_->setMarkdown(view.notes);
notes_->setVisible(notes_toggle_->isChecked());
} else {
notes_->clear();
notes_->hide();
}
fit_window();
}
void UpdateTab::showEvent(QShowEvent* event) {
QWidget::showEvent(event);
// Opening the page is seeing whatever update it advertises: the badge on
// the menu entry goes, until a still newer release turns up.
if (!checker_.isNull()) checker_->Acknowledge();
render();
// The Host's own switch, the one the setup wizard and this module's
// settings page share. Off, the dialog still offers the button: pressing
// it is the user asking.
const auto prohibit = gf::sdk::Setting(GFModuleSdkContext(), GF_SETTING_HOST,
"network/prohibit_update_check", false)
.toBool();
if (!prohibit && !checker_.isNull()) checker_->Start(CheckMode::kIfStale);
}
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