screenlockerwatcher.h

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/*
    KWin - the KDE window manager
    This file is part of the KDE project.
 
    SPDX-FileCopyrightText: 2013 Martin Gräßlin <mgraesslin@kde.org>
 
    SPDX-License-Identifier: GPL-2.0-or-later
*/
#pragma once
 
#include <QObject>
 
#include "effect/globals.h"
 
class OrgFreedesktopScreenSaverInterface;
class OrgKdeScreensaverInterface;
class QDBusServiceWatcher;
class QDBusPendingCallWatcher;
 
namespace KWin
{
 
class KWIN_EXPORT ScreenLockerWatcher : public QObject
{
    Q_OBJECT
public:
    explicit ScreenLockerWatcher();
 
    bool isLocked() const;
Q_SIGNALS:
    void locked(bool locked);
    void aboutToLock();
private Q_SLOTS:
    void setLocked(bool activated);
    void activeQueried(QDBusPendingCallWatcher *watcher);
    void serviceOwnerChanged(const QString &serviceName, const QString &oldOwner, const QString &newOwner);
 
private:
    void initialize();
    void queryActive();
    OrgFreedesktopScreenSaverInterface *m_interface = nullptr;
    OrgKdeScreensaverInterface *m_kdeInterface = nullptr;
    QDBusServiceWatcher *m_serviceWatcher;
    bool m_locked;
};
}