/*

*

* Copyright (C) by Duncan Mac-Vicar P. <duncan@kde.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) any later version.

*

* 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.

*/

#include <QtGlobal>

#include "application.h"

#include "common/utility.h"

#include "guiutility.h"

#include "platform.h"

#include "theme.h"

#include "updater/updater.h"

#include <QTimer>

#include <QMessageBox>

using namespace std::chrono_literals;

using namespace OCC;

void warnSystray()

{

QMessageBox::critical(nullptr, qApp->translate("main.cpp", "System Tray not available"),

qApp->translate("main.cpp", "%1 requires on a working system tray. "

"If you are running XFCE, please follow "

"<a href=\"http://docs.xfce.org/xfce/xfce4-panel/systray\">these instructions</a>. "

"Otherwise, please install a system tray application such as 'trayer' and try again.")

.arg(Theme::instance()->appNameGUI()));

}

int main(int argc, char **argv)

{

Q_INIT_RESOURCE(client);

QCoreApplication::setAttribute(Qt::AA_UseHighDpiPixmaps, true);

// Create a `Platform` instance so it can set-up/tear-down stuff for us, and do any

// initialisation that needs to be done before creating a QApplication

auto platform = Platform::create();

// Create the (Q)Application instance:

OCC::Application app(argc, argv);

Utility::tweakUIStyle();

// if handleStartup returns true, main()

// needs to terminate here, e.g. because

// the updater is triggered

Updater *updater = Updater::instance();

if (updater && updater->handleStartup()) {

return 1;

}

// if the application is already running, notify it.

if (app.isRunning()) {

qCInfo(lcApplication) << "Already running, exiting...";

if (app.isSessionRestored()) {

// This call is mirrored with the one in Application::slotParseMessage

qCInfo(lcApplication) << "Session was restored, don't notify app!";

return -1;

}

QStringList args = app.arguments();

if (args.size() > 1) {

QString msg = args.join(QLatin1String("|"));

if (!app.sendMessage(QLatin1String("MSG_PARSEOPTIONS:") + msg))

return -1;

}

return 0;

}

// We can't call isSystemTrayAvailable with appmenu-qt5 begause it hides the systemtray

// (issue #4693)

if (qgetenv("QT_QPA_PLATFORMTHEME") != "appmenu-qt5")

{

if (!QSystemTrayIcon::isSystemTrayAvailable()) {

// If the systemtray is not there, we will wait one second for it to maybe start

// (eg boot time) then we show the settings dialog if there is still no systemtray.

// On XFCE however, we show a message box with explainaition how to install a systemtray.

qCInfo(lcApplication) << "System tray is not available, waiting...";

Utility::sleep(1);

auto desktopSession = qgetenv("XDG_CURRENT_DESKTOP").toLower();

if (desktopSession.isEmpty()) {

desktopSession = qgetenv("DESKTOP_SESSION").toLower();

}

if (desktopSession == "xfce") {

int attempts = 0;

while (!QSystemTrayIcon::isSystemTrayAvailable()) {

attempts++;

if (attempts >= 30) {

qCWarning(lcApplication) << "System tray unavailable (xfce)";

warnSystray();

break;

}

Utility::sleep(1);

}

}

if (QSystemTrayIcon::isSystemTrayAvailable()) {

app.tryTrayAgain();

} else if (desktopSession != "ubuntu") {

qCInfo(lcApplication) << "System tray still not available, showing window and trying again later";

QTimer::singleShot(10s, &app, &Application::tryTrayAgain);

} else {

qCInfo(lcApplication) << "System tray still not available, but assuming it's fine on 'ubuntu' desktop";

}

}

}

return app.exec();

}