+ * Copyright (c) 2010-2019 Isode Limited.

+ * All rights reserved.

+ * See the COPYING file for more information.

+#include <Swift/QtUI/QtAboutWidget.h>

+#include <QDesktopServices>

+#include <QFile>

+#include <QProgressBar>

+#include <QVBoxLayout>

+#include <QtGlobal>

+

+#include <Swiften/Base/Log.h>

+#include <Swiften/Base/Platform.h>

+

+#include <SwifTools/AutoUpdater/AutoUpdater.h>

+

+#include <Swift/QtUI/QtSwiftUtil.h>

+#include <Swift/QtUI/QtUISettingConstants.h>

+#include <Swift/QtUI/QtUpdateFeedSelectionDialog.h>

+#include <Swift/QtUI/SwiftUpdateFeeds.h>

+QtAboutWidget::QtAboutWidget(SettingsProvider* settingsProvider, AutoUpdater* autoUpdater) : QDialog(), settingsProvider_(settingsProvider), autoUpdater_(autoUpdater) {

+ setWindowTitle(QString(tr("About %1")).arg("Swift"));

+ setWindowIcon(QIcon(":/logo-icon-16.png"));

+

+ resize(180, 240);

+ QVBoxLayout *mainLayout = new QVBoxLayout(this);

+ mainLayout->setAlignment(Qt::AlignHCenter);

+ setLayout(mainLayout);

+

+ QLabel* iconLabel = new QLabel(this);

+ iconLabel->setPixmap(QIcon(":/logo-icon.svg").pixmap(90, 90));

+ iconLabel->setAlignment(Qt::AlignHCenter);

+ mainLayout->addWidget(iconLabel);

+

+ QLabel* appNameLabel = new QLabel("<center><font size='+1'><b>" + QCoreApplication::applicationName() + "</b></font></center>", this);

+ mainLayout->addWidget(appNameLabel);

+

+ auto websiteLabel = new QLabel("<center><font size='-1'><a href='https://swift.im/'>https://swift.im/</a></font></center>", this);

+ websiteLabel->setTextInteractionFlags(Qt::LinksAccessibleByMouse | Qt::LinksAccessibleByKeyboard);

+ connect(websiteLabel, &QLabel::linkActivated, [](){

+ QDesktopServices::openUrl(QUrl("https://swift.im/"));

+ });

+ mainLayout->addWidget(websiteLabel);

+

+ QLabel* versionLabel = new QLabel((QString("<center><font size='-1'>") + tr("Version %1") + "</font></center><center><font size='-1'><br/>" + QString(tr("Built with Qt %2")) + QString("<br/>") + QString(tr("Running with Qt %3")) + "</font></center>").arg(QCoreApplication::applicationVersion()).arg(QT_VERSION_STR).arg(qVersion()));

+ versionLabel->setTextInteractionFlags(Qt::TextSelectableByMouse | Qt::TextSelectableByKeyboard);

+ mainLayout->addWidget(versionLabel);

+

+ if (autoUpdater_) {

+ settingsChangedConnection_ = settingsProvider_->onSettingChanged.connect([&](const std::string& path) {

+ if (path == QtUISettingConstants::SOFTWARE_UPDATE_CHANNEL.getKey() || path == QtUISettingConstants::ENABLE_SOFTWARE_UPDATES.getKey()) {

+ updateUpdateInfo();

+ }

+ });

+

+ autoUpdaterChangeConnection_ = autoUpdater_->onUpdateStateChanged.connect([&](AutoUpdater::State /*updatedState*/) {

+ updateUpdateInfo();

+ });

+ }

+

+ updateChannelInfoLabel_ = new QLabel("", this);

+ updateChannelInfoLabel_->setTextInteractionFlags(Qt::LinksAccessibleByKeyboard | Qt::LinksAccessibleByMouse);

+ connect(updateChannelInfoLabel_, SIGNAL(linkActivated(const QString &)), this, SLOT(handleChangeUpdateChannelClicked()));

+ mainLayout->addWidget(updateChannelInfoLabel_);

+

+ updateStateInfoLabel_ = new QLabel("", this);

+ mainLayout->addWidget(updateStateInfoLabel_);

+

+ updateProgressBar_ = new QProgressBar(this);

+ updateProgressBar_->setMinimum(0);

+ updateProgressBar_->setMaximum(0);

+ mainLayout->addWidget(updateProgressBar_);

+

+ updateUpdateInfo();

+

+ if (QCoreApplication::translate("TRANSLATION_INFO", "TRANSLATION_AUTHOR") != "TRANSLATION_AUTHOR") {

+ mainLayout->addWidget(new QLabel(QString("<center><font size='-1'>") + QString(tr("Using the English translation by\n%1")).arg(QCoreApplication::translate("TRANSLATION_INFO", "TRANSLATION_AUTHOR")).replace("\n", "<br/>") + "</font></center>", this));

+ }

+ QCoreApplication::translate("TRANSLATION_INFO", "TRANSLATION_LICENSE", "This string contains the license under which this translation is licensed. We ask you to license the translation under the BSD license. Please read http://www.opensource.org/licenses/bsd-license.php, and if you agree to release your translation under this license, use the following (untranslated) text: 'This translation is licensed under the BSD License. See http://www.opensource.org/licenses/bsd-license.php'");

+#if defined(SWIFTEN_PLATFORM_WINDOWS) || defined(SWIFTEN_PLATFORM_MACOSX)

+ QPushButton* licenseButton = new QPushButton(tr("View License"), this);

+ mainLayout->addWidget(licenseButton);

+ connect(licenseButton, SIGNAL(clicked()), this, SLOT(handleLicenseClicked()));

+

+ QPushButton* changelogButton = new QPushButton(tr("View Changes"), this);

+ mainLayout->addWidget(changelogButton);

+ connect(changelogButton, SIGNAL(clicked()), this, SLOT(handleChangelogClicked()));

+#else

+ // Some Linux desktops have dialog window decorations without close window buttons.

+ // This code adds a dedicated button to close the about window dialog.

+ QHBoxLayout* buttonLayout = new QHBoxLayout();

+ mainLayout->addLayout(buttonLayout);

+

+ QPushButton* licenseButton = new QPushButton(tr("View License"), this);

+ buttonLayout->addWidget(licenseButton);

+ connect(licenseButton, SIGNAL(clicked()), this, SLOT(handleLicenseClicked()));

+

+ QPushButton* changelogButton = new QPushButton(tr("View Changes"), this);

+ buttonLayout->addWidget(changelogButton);

+ connect(changelogButton, SIGNAL(clicked()), this, SLOT(handleChangelogClicked()));

+

+ buttonLayout->addItem(new QSpacerItem(20,20));

+

+ QPushButton* closeButton = new QPushButton(tr("Close"), this);

+ buttonLayout->addWidget(closeButton);

+ connect(closeButton, SIGNAL(clicked()), this, SLOT(accept()));

+#endif

+ setFixedSize(minimumSizeHint());

+ openPlainTextWindow(":/COPYING");

+}

+

+void QtAboutWidget::handleChangelogClicked() {

+ openPlainTextWindow(":/ChangeLog.md");

+}

+

+void QtAboutWidget::handleChangeUpdateChannelClicked() {

+ auto feedSelectionDialog = new QtUpdateFeedSelectionDialog(settingsProvider_);

+ feedSelectionDialog->show();

+}

+

+void QtAboutWidget::openPlainTextWindow(const QString& path) {

+ QTextEdit* text = new QTextEdit();

+ text->setAttribute(Qt::WA_DeleteOnClose);

+ text->setReadOnly(true);

+ QFile file(path);

+ if (file.open(QIODevice::ReadOnly)) {

+ QTextStream in(&file);

+ in.setCodec("UTF-8");

+ text->setPlainText(in.readAll());

+ file.close();

+ text->resize(500, 600);

+ text->show();

+ text->activateWindow();

+ }

+ else {

+ SWIFT_LOG(error) << "Failed to open " << Q2PSTRING(path) << ".";

+ }

+}

+

+void QtAboutWidget::updateUpdateInfo() {

+ updateChannelInfoLabel_->hide();

+ updateStateInfoLabel_->hide();

+ updateProgressBar_->hide();

+ // Currently auto updating is only supported on macOS.

+#ifdef SWIFTEN_PLATFORM_MACOSX

+ if (autoUpdater_ && settingsProvider_->getSetting(QtUISettingConstants::ENABLE_SOFTWARE_UPDATES)) {

+ if (!settingsProvider_->getSetting(QtUISettingConstants::SOFTWARE_UPDATE_CHANNEL).empty()) {

+ QString updateFeedDescription;

+ auto addUpdateFeedDialogLink = false;

+ if (settingsProvider_->getSetting(QtUISettingConstants::SOFTWARE_UPDATE_CHANNEL) == UpdateFeeds::StableChannel) {

+ updateFeedDescription = tr("You are receiving updates from the Stable update channel.");

+ addUpdateFeedDialogLink = true;

+ }

+ else if (settingsProvider_->getSetting(QtUISettingConstants::SOFTWARE_UPDATE_CHANNEL) == UpdateFeeds::DevelopmentChannel) {

+ updateFeedDescription = tr("You are receiving updates from the Development update channel.");

+ addUpdateFeedDialogLink = true;

+ }

+ else if (settingsProvider_->getSetting(QtUISettingConstants::SOFTWARE_UPDATE_CHANNEL) == UpdateFeeds::TestingChannel) {

+ updateFeedDescription = tr("You are receiving updates from the Testing update channel.");

+ addUpdateFeedDialogLink = true;

+ }

+ auto updateFeedDialogLink = QString( addUpdateFeedDialogLink ? "<a href=\"#\">%1</a>" : "" ).arg(tr("Change the update channel."));

+ updateChannelInfoLabel_->setText(QString("<center><font size='-1'>%1<br/>%2</font></center>").arg(updateFeedDescription, updateFeedDialogLink));

+ updateChannelInfoLabel_->show();

+

+ auto currentState = autoUpdater_->getCurrentState();

+ auto currentStateStringPattern = QString("<center><font size='-1'>%1</font></center>");

+ switch (currentState) {

+ case AutoUpdater::State::NotCheckedForUpdatesYet:

+ // Simply not showing any current state info.

+ break;

+ case AutoUpdater::State::CheckingForUpdate:

+ updateStateInfoLabel_->setText(currentStateStringPattern.arg(tr("Checking for updates…")));

+ updateStateInfoLabel_->show();

+ updateProgressBar_->show();

+ break;

+ case AutoUpdater::State::ErrorCheckingForUpdate:

+ updateStateInfoLabel_->setText(currentStateStringPattern.arg(tr("Error checking for updates!")));

+ updateStateInfoLabel_->show();

+ break;

+ case AutoUpdater::State::NoUpdateAvailable:

+ updateStateInfoLabel_->setText(currentStateStringPattern.arg(tr("Swift is up to date.")));

+ updateStateInfoLabel_->show();

+ break;

+ case AutoUpdater::State::DownloadingUpdate:

+ updateStateInfoLabel_->setText(currentStateStringPattern.arg(tr("Downloading update…")));

+ updateStateInfoLabel_->show();

+ updateProgressBar_->show();

+ break;

+ case AutoUpdater::State::RestartToInstallUpdate:

+ updateStateInfoLabel_->setText(currentStateStringPattern.arg(tr("Update will be installed when you next restart Swift.")));

+ updateStateInfoLabel_->show();

+ break;

+ }

+ }

+ }

+#endif

+ setFixedSize(minimumSizeHint());

+}

+

+void QtAboutWidget::showEvent(QShowEvent*) {

+ if (autoUpdater_) {

+ autoUpdater_->checkForUpdates();

+ }