| 1 | // Copyright (C) 2020 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | |
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| 4 | #ifndef QBASICTIMER_H |
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| 5 | #define QBASICTIMER_H |
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| 6 | |
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| 7 | #include <QtCore/qglobal.h> |
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| 8 | #include <QtCore/qabstracteventdispatcher.h> |
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| 9 | #include <QtCore/qnamespace.h> |
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| 10 | |
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| 11 | #include <chrono> |
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| 12 | |
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| 13 | QT_BEGIN_NAMESPACE |
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| 14 | |
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| 15 | |
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| 16 | class QObject; |
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| 17 | |
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| 18 | class Q_CORE_EXPORT QBasicTimer |
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| 19 | { |
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| 20 | Qt::TimerId m_id; |
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| 21 | Q_DISABLE_COPY(QBasicTimer) |
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| 22 | |
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| 23 | public: |
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| 24 | // use the same duration type |
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| 25 | using Duration = QAbstractEventDispatcher::Duration; |
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| 26 | |
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| 27 | constexpr QBasicTimer() noexcept : m_id{Qt::TimerId::Invalid} {} |
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| 28 | ~QBasicTimer() { if (isActive()) stop(); } |
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| 29 | |
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| 30 | QBasicTimer(QBasicTimer &&other) noexcept |
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| 31 | : m_id{std::exchange(obj&: other.m_id, new_val: Qt::TimerId::Invalid)} |
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| 32 | {} |
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| 33 | |
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| 34 | QT_MOVE_ASSIGNMENT_OPERATOR_IMPL_VIA_MOVE_AND_SWAP(QBasicTimer) |
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| 35 | |
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| 36 | void swap(QBasicTimer &other) noexcept { std::swap(a&: m_id, b&: other.m_id); } |
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| 37 | |
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| 38 | bool isActive() const noexcept { return m_id != Qt::TimerId::Invalid; } |
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| 39 | int timerId() const noexcept { return qToUnderlying(e: id()); } |
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| 40 | Qt::TimerId id() const noexcept { return m_id; } |
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| 41 | QT_CORE_INLINE_SINCE(6, 5) |
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| 42 | void start(int msec, QObject *obj); |
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| 43 | QT_CORE_INLINE_SINCE(6, 5) |
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| 44 | void start(int msec, Qt::TimerType timerType, QObject *obj); |
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| 45 | |
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| 46 | #if QT_CORE_REMOVED_SINCE(6, 9) |
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| 47 | void start(std::chrono::milliseconds duration, QObject *obj); |
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| 48 | void start(std::chrono::milliseconds duration, Qt::TimerType timerType, QObject *obj); |
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| 49 | #endif |
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| 50 | void start(Duration duration, QObject *obj) |
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| 51 | { start(duration, timerType: Qt::CoarseTimer, obj); } |
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| 52 | void start(Duration duration, Qt::TimerType timerType, QObject *obj); |
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| 53 | void stop(); |
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| 54 | }; |
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| 55 | Q_DECLARE_TYPEINFO(QBasicTimer, Q_RELOCATABLE_TYPE); |
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| 56 | |
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| 57 | #if QT_CORE_INLINE_IMPL_SINCE(6, 5) |
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| 58 | void QBasicTimer::start(int msec, QObject *obj) |
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| 59 | { |
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| 60 | start(duration: std::chrono::milliseconds{msec}, obj); |
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| 61 | } |
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| 62 | |
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| 63 | void QBasicTimer::start(int msec, Qt::TimerType t, QObject *obj) |
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| 64 | { |
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| 65 | start(duration: std::chrono::milliseconds{msec}, timerType: t, obj); |
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| 66 | } |
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| 67 | #endif |
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| 68 | |
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| 69 | inline void swap(QBasicTimer &lhs, QBasicTimer &rhs) noexcept { lhs.swap(other&: rhs); } |
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| 70 | |
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| 71 | QT_END_NAMESPACE |
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| 72 | |
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| 73 | #endif // QBASICTIMER_H |
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| 74 | |
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