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/*
* LinuxCoreFunctions.h - declaration of LinuxCoreFunctions class
*
* Copyright (c) 2017-2025 Tobias Junghans <tobydox@veyon.io>
*
* This file is part of Veyon - https://veyon.io
*
* 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.
*
* You should have received a copy of the GNU General Public
* License along with this program (see COPYING); if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
*/
#pragma once
#include <QDBusInterface>
#include <QSharedPointer>
#include "PlatformCoreFunctions.h"
#ifdef HAVE_LIBPROC2
#include <libproc2/pids.h>
#ifdef LIBPROC2_PIDS_VAL_OLD_API
#undef PIDS_VAL
#define PIDS_VAL(relative_enum, type, stack) stack->head[relative_enum].result.type
#endif
#else
struct proc_t;
#endif
// clazy:excludeall=copyable-polymorphic
class LinuxCoreFunctions : public PlatformCoreFunctions
{
public:
LinuxCoreFunctions() = default;
bool applyConfiguration() override;
void initNativeLoggingSystem( const QString& appName ) override;
void writeToNativeLoggingSystem( const QString& message, Logger::LogLevel loglevel ) override;
void reboot() override;
void powerDown( bool installUpdates ) override;
void raiseWindow( QWidget* widget, bool stayOnTop ) override;
void disableScreenSaver() override;
void restoreScreenSaverSettings() override;
void setSystemUiState( bool enabled ) override;
QString activeDesktopName() override;
bool isRunningAsAdmin() const override;
bool runProgramAsAdmin( const QString& program, const QStringList& parameters ) override;
bool runProgramAsUser( const QString& program, const QStringList& parameters,
const QString& username,
const QString& desktop = {} ) override;
QString genericUrlHandler() const override;
QString queryDisplayDeviceName(const QScreen& screen) const override;
using DBusInterfacePointer = QSharedPointer<QDBusInterface>;
static bool prepareSessionBusAccess();
static DBusInterfacePointer kdeSessionManager();
static DBusInterfacePointer gnomeSessionManager();
static DBusInterfacePointer mateSessionManager();
static DBusInterfacePointer xfcePowerManager();
static DBusInterfacePointer systemdLoginManager();
static DBusInterfacePointer consoleKitManager();
static bool isSystemdManaged();
static int systemctl( const QStringList& arguments );
static void restartDisplayManagers();
#ifdef HAVE_LIBPROC2
static void forEachChildProcess(const std::function<bool(const pids_stack*)>& visitor,
int parentPid, const std::vector<pids_item>& items, bool visitParent);
#else
static void forEachChildProcess( const std::function<bool(proc_t *)>& visitor,
int parentPid, int flags, bool visitParent );
#endif
static bool waitForProcess( qint64 pid, int timeout, int sleepInterval );
private:
int m_screenSaverTimeout{0};
int m_screenSaverPreferBlanking{0};
bool m_dpmsEnabled{false};
unsigned short m_dpmsStandbyTimeout{0};
unsigned short m_dpmsSuspendTimeout{0};
unsigned short m_dpmsOffTimeout{0};
};
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