timer.cpp
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/* akvirtualcamera, virtual camera for Mac and Windows.
* Copyright (C) 2020 Gonzalo Exequiel Pedone
*
* akvirtualcamera 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 3 of the License, or
* (at your option) any later version.
*
* akvirtualcamera 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 akvirtualcamera. If not, see <http://www.gnu.org/licenses/>.
*
* Web-Site: http://webcamoid.github.io/
*/
#include <chrono>
#include <thread>
#include "timer.h"
namespace AkVCam
{
class TimerPrivate
{
public:
Timer *self;
std::thread m_thread;
int m_interval {0};
bool m_running {false};
bool m_singleShot {false};
explicit TimerPrivate(Timer *self);
void timerLoop();
};
}
AkVCam::Timer::Timer()
{
this->d = new TimerPrivate(this);
}
AkVCam::Timer::~Timer()
{
AkLogFunction();
this->stop();
delete this->d;
}
int AkVCam::Timer::interval() const
{
return this->d->m_interval;
}
int &AkVCam::Timer::interval()
{
return this->d->m_interval;
}
void AkVCam::Timer::setInterval(int msec)
{
this->d->m_interval = msec;
}
void AkVCam::Timer::start()
{
AkLogFunction();
this->stop();
this->d->m_running = true;
this->d->m_singleShot = false;
this->d->m_thread = std::thread(&TimerPrivate::timerLoop, this->d);
}
void AkVCam::Timer::stop()
{
AkLogFunction();
if (!this->d->m_running)
return;
this->d->m_running = false;
this->d->m_thread.join();
}
void AkVCam::Timer::singleShot()
{
AkLogFunction();
this->stop();
this->d->m_running = true;
this->d->m_singleShot = true;
this->d->m_thread = std::thread(&TimerPrivate::timerLoop, this->d);
}
void AkVCam::Timer::singleShot(int msec)
{
AkLogFunction();
this->stop();
this->d->m_running = true;
this->d->m_singleShot = true;
this->d->m_interval = msec;
this->d->m_thread = std::thread(&TimerPrivate::timerLoop, this->d);
}
AkVCam::TimerPrivate::TimerPrivate(AkVCam::Timer *self):
self(self),
m_interval(0),
m_running(false)
{
}
void AkVCam::TimerPrivate::timerLoop()
{
while (this->m_running) {
if (this->m_interval > 0)
std::this_thread::sleep_for(std::chrono::milliseconds(this->m_interval));
AKVCAM_EMIT_NOARGS(this->self, Timeout)
if (this->m_singleShot) {
this->m_running = false;
break;
}
}
}