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- /*
- * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
- * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- #include <LibCore/Timer.h>
- namespace Core {
- Timer::Timer(Object* parent)
- : Object(parent)
- {
- }
- Timer::Timer(int interval, Function<void()>&& timeout_handler, Object* parent)
- : Object(parent)
- , on_timeout(move(timeout_handler))
- {
- start(interval);
- }
- Timer::~Timer()
- {
- }
- void Timer::start()
- {
- start(m_interval);
- }
- void Timer::start(int interval)
- {
- if (m_active)
- return;
- m_interval = interval;
- start_timer(interval);
- m_active = true;
- }
- void Timer::restart(int interval)
- {
- if (m_active)
- stop();
- start(interval);
- }
- void Timer::stop()
- {
- if (!m_active)
- return;
- stop_timer();
- m_active = false;
- }
- void Timer::timer_event(TimerEvent&)
- {
- if (m_single_shot)
- stop();
- else {
- if (m_interval_dirty) {
- stop();
- start(m_interval);
- }
- }
- if (on_timeout)
- on_timeout();
- }
- }
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