afb81b8278
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116 lines
2.3 KiB
C++
116 lines
2.3 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#pragma once
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#include <QtCore/QObject>
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#include <QtCore/QThread>
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#include "base/flat_map.h"
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#include <crl/crl_time.h>
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namespace base {
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void CheckLocalTime();
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class Timer final : private QObject {
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public:
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explicit Timer(
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not_null<QThread*> thread,
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Fn<void()> callback = nullptr);
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explicit Timer(Fn<void()> callback = nullptr);
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static Qt::TimerType DefaultType(crl::time timeout) {
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constexpr auto kThreshold = crl::time(240);
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return (timeout > kThreshold) ? Qt::CoarseTimer : Qt::PreciseTimer;
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}
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void setCallback(Fn<void()> callback) {
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_callback = std::move(callback);
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}
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void callOnce(crl::time timeout) {
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callOnce(timeout, DefaultType(timeout));
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}
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void callEach(crl::time timeout) {
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callEach(timeout, DefaultType(timeout));
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}
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void callOnce(crl::time timeout, Qt::TimerType type) {
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start(timeout, type, Repeat::SingleShot);
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}
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void callEach(crl::time timeout, Qt::TimerType type) {
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start(timeout, type, Repeat::Interval);
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}
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bool isActive() const {
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return (_timerId != 0);
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}
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void cancel();
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crl::time remainingTime() const;
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static void Adjust();
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protected:
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void timerEvent(QTimerEvent *e) override;
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private:
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enum class Repeat : unsigned {
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Interval = 0,
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SingleShot = 1,
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};
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void start(crl::time timeout, Qt::TimerType type, Repeat repeat);
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void adjust();
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void setTimeout(crl::time timeout);
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int timeout() const;
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void setRepeat(Repeat repeat) {
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_repeat = static_cast<unsigned>(repeat);
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}
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Repeat repeat() const {
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return static_cast<Repeat>(_repeat);
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}
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Fn<void()> _callback;
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crl::time _next = 0;
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int _timeout = 0;
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int _timerId = 0;
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Qt::TimerType _type : 2;
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bool _adjusted : 1 = false;
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unsigned _repeat : 1 = 0;
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};
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class DelayedCallTimer final : private QObject {
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public:
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int call(crl::time timeout, FnMut<void()> callback) {
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return call(
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timeout,
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std::move(callback),
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Timer::DefaultType(timeout));
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}
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int call(
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crl::time timeout,
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FnMut<void()> callback,
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Qt::TimerType type);
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void cancel(int callId);
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protected:
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void timerEvent(QTimerEvent *e) override;
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private:
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base::flat_map<int, FnMut<void()>> _callbacks;
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};
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} // namespace base
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