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