Timer.hpp

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#ifndef GALAXY_ASYNC_TIMER_HPP_
#define GALAXY_ASYNC_TIMER_HPP_
 
#include <future>
 
namespace galaxy
{
    namespace async
    {
 
        class Timer final
        {
        public:
            using Function = std::move_only_function<void(void)>;
 
            Timer() noexcept;
 
            Timer(Timer::Function&& func, const std::uint32_t delay) noexcept;
 
            ~Timer() noexcept;
 
            void set(Timer::Function&& func, const std::uint32_t delay) noexcept;
 
            void repeat(const bool repeat) noexcept;
 
            void start();
 
            void stop() noexcept;
 
            void pause(const bool pause) noexcept;
 
            [[nodiscard]]
            bool stopped() const noexcept;
 
            [[nodiscard]]
            bool paused() const noexcept;
 
        private:
            Timer(const Timer&) = delete;
 
            Timer& operator=(const Timer&) = delete;
 
        private:
            std::atomic_bool m_stopped;
 
            std::atomic_bool m_paused;
 
            std::atomic_bool m_repeat;
 
            std::uint32_t m_delay;
 
            double m_time_passed;
 
            std::future<void> m_handle;
 
            Timer::Function m_callback;
        };
    } // namespace async
} // namespace galaxy
 
#endif