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/*
WindowsIdleDetector.cpp
This file is part of Charm, a task-based time tracking application.
Copyright (C) 2010-2018 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
Author: Frank Osterfeld <frank.osterfeld@kdab.com>
Author: Mike McQuaid <mike.mcquaid@kdab.com>
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 <http://www.gnu.org/licenses/>.
*/
#include "WindowsIdleDetector.h"
#include "windows.h"
#include <QDebug>
WindowsIdleDetector::WindowsIdleDetector(QObject *parent) : IdleDetector(parent)
{
connect(&m_timer, &QTimer::timeout, this, &WindowsIdleDetector::timeout);
m_timer.setInterval(idlenessDuration() * 1000 / 2);
m_timer.setSingleShot(false);
m_timer.start();
}
void WindowsIdleDetector::onIdlenessDurationChanged()
{
m_timer.stop();
m_timer.setInterval(idlenessDuration() * 1000 / 2);
m_timer.start();
}
void WindowsIdleDetector::timeout()
{
LASTINPUTINFO lif;
lif.cbSize = sizeof(lif);
const bool ret = GetLastInputInfo(&lif);
if (!ret) {
qWarning() << "Idle detection: GetLastInputInfo failed.";
return;
}
const qint64 dwTime = static_cast<qint64>(lif.dwTime);
const qint64 ctk = static_cast<qint64>(GetTickCount());
const int idleSecs = (ctk - dwTime) / 1000;
if (idleSecs >= idlenessDuration())
maybeIdle(IdlePeriod(QDateTime::currentDateTime().addSecs(-idleSecs),
QDateTime::currentDateTime()));
}
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