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82 lines
2.7 KiB
C++
82 lines
2.7 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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#pragma once
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#include <AK/Function.h>
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#include <LibCore/Object.h>
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namespace Core {
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class Timer final : public Object {
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C_OBJECT(Timer);
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public:
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static NonnullRefPtr<Timer> create_single_shot(int interval, Function<void()>&& timeout_handler, Object* parent = nullptr)
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{
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auto timer = adopt(*new Timer(interval, move(timeout_handler), parent));
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timer->set_single_shot(true);
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timer->stop();
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return timer;
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}
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virtual ~Timer() override;
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void start();
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void start(int interval);
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void restart();
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void restart(int interval);
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void stop();
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bool is_active() const { return m_active; }
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int interval() const { return m_interval; }
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void set_interval(int interval)
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{
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if (m_interval == interval)
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return;
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m_interval = interval;
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m_interval_dirty = true;
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}
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bool is_single_shot() const { return m_single_shot; }
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void set_single_shot(bool single_shot) { m_single_shot = single_shot; }
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Function<void()> on_timeout;
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private:
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explicit Timer(Object* parent = nullptr);
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Timer(int interval, Function<void()>&& timeout_handler, Object* parent = nullptr);
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virtual void timer_event(TimerEvent&) override;
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bool m_active { false };
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bool m_single_shot { false };
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bool m_interval_dirty { false };
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int m_interval { 0 };
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};
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}
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