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- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * Copyright (c) 2022, the SerenityOS developers.
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
- #include <LibCore/Timer.h>
- namespace Core {
- Timer::Timer(EventReceiver* parent)
- : EventReceiver(parent)
- {
- }
- Timer::Timer(int interval_ms, Function<void()>&& timeout_handler, EventReceiver* parent)
- : EventReceiver(parent)
- , on_timeout(move(timeout_handler))
- , m_interval_ms(interval_ms)
- {
- }
- void Timer::start()
- {
- start(m_interval_ms);
- }
- void Timer::start(int interval_ms)
- {
- if (m_active)
- return;
- m_interval_ms = interval_ms;
- start_timer(interval_ms);
- m_active = true;
- }
- void Timer::restart()
- {
- restart(m_interval_ms);
- }
- void Timer::restart(int interval_ms)
- {
- if (m_active)
- stop();
- start(interval_ms);
- }
- void Timer::stop()
- {
- if (!m_active)
- return;
- stop_timer();
- m_active = false;
- }
- void Timer::set_active(bool active)
- {
- if (active)
- start();
- else
- stop();
- }
- void Timer::timer_event(TimerEvent&)
- {
- if (m_single_shot)
- stop();
- else {
- if (m_interval_dirty) {
- stop();
- start(m_interval_ms);
- }
- }
- if (on_timeout)
- on_timeout();
- }
- }
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