mirror of
https://github.com/RGBCube/serenity
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6edc0cf5ab
This was unintuitive, and only useful in a few cases. In the majority, users had to immediately call `stop()`, and several who did want the timer started would call `start()` on it immediately anyway. Case in point: There are only two places I had to add a manual `start()`.
67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2022, the SerenityOS developers.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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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 ErrorOr<NonnullRefPtr<Timer>> create_repeating(int interval_ms, Function<void()>&& timeout_handler, Object* parent = nullptr)
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{
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return adopt_nonnull_ref_or_enomem(new Timer(interval_ms, move(timeout_handler), parent));
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}
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static ErrorOr<NonnullRefPtr<Timer>> create_single_shot(int interval_ms, Function<void()>&& timeout_handler, Object* parent = nullptr)
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{
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auto timer = TRY(adopt_nonnull_ref_or_enomem(new Timer(interval_ms, move(timeout_handler), parent)));
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timer->set_single_shot(true);
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return timer;
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}
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virtual ~Timer() override = default;
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void start();
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void start(int interval_ms);
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void restart();
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void restart(int interval_ms);
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void stop();
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void set_active(bool);
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bool is_active() const { return m_active; }
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int interval() const { return m_interval_ms; }
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void set_interval(int interval_ms)
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{
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if (m_interval_ms == interval_ms)
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return;
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m_interval_ms = interval_ms;
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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_ms, 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_ms { 0 };
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};
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}
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