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/*
(This file was initially copied from qBittorrent.)
Copyright (C) 2019 Vladimir Golovnev <glassez@yandex.ru>
Frédéric Brière <fbriere@fbriere.net>
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, see <https://www.gnu.org/licenses/>.
*/
#ifndef IDLESESSION_INHIBITOR_H
#define IDLESESSION_INHIBITOR_H
#include <QObject>
// Forward declaration
QT_BEGIN_NAMESPACE
class QDBusPendingCallWatcher;
QT_END_NAMESPACE
// Object tasked with inhibiting idle sessions via D-Bus
class IdleSessionInhibitor : public QObject
{
Q_OBJECT
public:
IdleSessionInhibitor(QObject *parent = 0);
void requestBusy();
void requestIdle();
private slots:
// Handle the reply to our (un)inhibit request
void onAsyncReply(QDBusPendingCallWatcher *call);
private:
// Internal state of the inhibitor
enum _state
{
error,
busy,
idle,
request_busy,
request_idle
};
// Current state
enum _state m_state;
// Most recent idle/busy setting, possibly pending while we're waiting
// for a reply to our previous D-Bus call
enum _state m_intended_state;
// Cookie returned by Inhibit(), to be passed to Uninhibit()
unsigned int m_cookie;
// Whether or not we are dealing with GNOME Session
bool m_use_gsm;
// Send an (un)inhibit request via D-Bus
void sendRequest(bool inhibit);
// Display and log a warning
void issueWarning(const QString &msg) const;
};
#endif // IDLESESSION_INHIBITOR_H
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