Timer.cpp

#include "Timer.h"
namespace MonitoringComponents {
	Timer::Timer(Ref<MonitoringComponent> parent) :
		MonitoringComponent(parent),
		_timeout_callback([]() {}),
		_timer_running(false),
		_deadline(0) {
	}

	void Timer::setTimeout(VoidCallback callback, unsigned long delay) {
		cancel();
		_intervaling = false;
		_timer_running = true;
		_timeout_callback = callback;
		_deadline = millis() + delay;
	}

	void Timer::onInterval(VoidCallback callback, unsigned long interval) {
		cancel();
		_interval = interval;
		_intervaling = true;
		_timer_running = true;
		_timeout_callback = callback;
		_deadline = millis() + interval;
	}

	void Timer::cancel() {
		_timer_running = false;
	}

	bool Timer::isRunning() {
		return _timer_running;
	}

	unsigned long Timer::timeLeft() {
		return _deadline - millis();
	}

	void Timer::privateLoop() {
		if (!_timer_running) return;
		if (millis() >= _deadline) {
			if (_intervaling) {
				_deadline = millis() + _interval;
				_timeout_callback();
			}
			else {
				cancel();
				_timeout_callback();
			}
		}
	}
};