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2024-06-29 11:52:32 +06:00
/*
Gwenview: an image viewer
Copyright 2018 Friedrich W. H. Kossebau <kossebau@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.
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.
*/
#ifndef LOCKSCREENWATCHER_H
#define LOCKSCREENWATCHER_H
// Qt
#include <QObject>
class OrgFreedesktopScreenSaverInterface;
class QDBusPendingCallWatcher;
namespace Gwenview
{
class LockScreenWatcher : public QObject
{
Q_OBJECT
public:
explicit LockScreenWatcher(QObject *parent);
~LockScreenWatcher() override;
public:
bool isLocked() const;
Q_SIGNALS:
void isLockedChanged(bool locked);
private:
void onScreenSaverActiveChanged(bool isActive);
void onActiveQueried(QDBusPendingCallWatcher *watcher);
void onScreenSaverServiceOwnerChanged(const QString &serviceName, const QString &oldOwner, const QString &newOwner);
void onServiceRegisteredQueried();
void onServiceOwnerQueried();
private:
OrgFreedesktopScreenSaverInterface *mScreenSaverInterface = nullptr;
bool mLocked = false;
};
}
#endif