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// SPDX-License-Identifier: GPL-3.0-only
// SPDX-FileCopyrightText: 2026 Project Tick
// SPDX-FileContributor: Project Tick Team
/*
* ProjT Launcher - Minecraft Launcher
* Copyright (C) 2026 Project Tick
*
* 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, version 3.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "CefRuntime.h"
#if defined(PROJT_USE_CEF) && defined(Q_OS_LINUX)
#include <QCoreApplication>
#include <QDir>
#include <QFileInfo>
#include <QProcessEnvironment>
#include <QStandardPaths>
#include <QTimer>
#include "include/cef_app.h"
#include "include/wrapper/cef_helpers.h"
namespace
{
class LauncherCefApp final : public CefApp
{
public:
void OnBeforeCommandLineProcessing(const CefString&, CefRefPtr<CefCommandLine> command_line) override
{
command_line->AppendSwitch("disable-pinch");
command_line->AppendSwitch("disable-smooth-scrolling");
command_line->AppendSwitch("disable-background-networking");
command_line->AppendSwitch("disable-background-mode");
command_line->AppendSwitch("disable-component-update");
command_line->AppendSwitch("disable-sync");
command_line->AppendSwitch("disable-notifications");
command_line->AppendSwitch("no-first-run");
QString disabledFeatures = QStringLiteral("PlatformNotifications,PushMessaging,NotificationTriggers");
const bool enableGpu = qEnvironmentVariableIntValue("PROJT_CEF_ENABLE_GPU") == 1
|| qEnvironmentVariableIntValue("LAUNCHER_CEF_ENABLE_GPU") == 1;
if (!enableGpu)
{
command_line->AppendSwitch("disable-gpu");
command_line->AppendSwitch("disable-gpu-compositing");
command_line->AppendSwitch("disable-gpu-vsync");
disabledFeatures += QStringLiteral(",VaapiVideoDecoder,Vulkan");
}
command_line->AppendSwitchWithValue("disable-features", disabledFeatures.toStdString());
}
IMPLEMENT_REFCOUNTING(LauncherCefApp);
};
}
#endif
namespace projt::cef
{
Runtime::Runtime(QObject* parent) : QObject(parent)
{}
Runtime& Runtime::instance()
{
static Runtime runtime;
return runtime;
}
int Runtime::executeSecondaryProcess(int argc, char* argv[])
{
#if defined(PROJT_USE_CEF) && defined(Q_OS_LINUX)
CefMainArgs mainArgs(argc, argv);
return CefExecuteProcess(mainArgs, new LauncherCefApp(), nullptr);
#else
Q_UNUSED(argc);
Q_UNUSED(argv);
return -1;
#endif
}
bool Runtime::initializeBrowserProcess(int argc, char* argv[])
{
#if defined(PROJT_USE_CEF) && defined(Q_OS_LINUX)
if (m_initialized)
{
return true;
}
CefMainArgs mainArgs(argc, argv);
CefSettings settings;
settings.no_sandbox = true;
settings.multi_threaded_message_loop = false;
settings.external_message_pump = false;
settings.windowless_rendering_enabled = true;
const QString executablePath = QCoreApplication::applicationFilePath();
const QString executableDir = QFileInfo(executablePath).absolutePath();
const QString dataRoot =
QDir::cleanPath(QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/cef");
QDir().mkpath(dataRoot);
CefString(&settings.browser_subprocess_path) = executablePath.toStdString();
CefString(&settings.resources_dir_path) = executableDir.toStdString();
CefString(&settings.locales_dir_path) = QDir(executableDir).filePath("locales").toStdString();
CefString(&settings.root_cache_path) = dataRoot.toStdString();
CefString(&settings.cache_path) = QDir(dataRoot).filePath("cache").toStdString();
CefString(&settings.user_agent_product) = "ProjTLauncher";
const bool ok = CefInitialize(mainArgs, settings, new LauncherCefApp(), nullptr);
m_exitCode = ok ? 0 : CefGetExitCode();
if (!ok)
{
if (m_exitCode == 0)
{
m_exitCode = 1;
}
return false;
}
auto* timer = new QTimer(this);
timer->setInterval(10);
timer->setTimerType(Qt::PreciseTimer);
connect(timer, &QTimer::timeout, this, []() { CefDoMessageLoopWork(); });
timer->start();
m_initialized = true;
return true;
#else
Q_UNUSED(argc);
Q_UNUSED(argv);
return false;
#endif
}
void Runtime::shutdown()
{
#if defined(PROJT_USE_CEF) && defined(Q_OS_LINUX)
if (!m_initialized)
{
return;
}
for (auto* timer : findChildren<QTimer*>())
{
timer->stop();
timer->deleteLater();
}
CefShutdown();
m_initialized = false;
#endif
}
bool Runtime::isInitialized() const
{
return m_initialized;
}
int Runtime::exitCode() const
{
return m_exitCode;
}
}
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