timer.hpp

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#pragma once
#include "component.hpp"
#include <xtd/chrono>
#include <xtd/event>
#include <xtd/event_handler>
#include <xtd/time_span>
#include <cstdint>
#include <memory>

namespace xtd {
  namespace forms {
    class forms_export_ timer : public component {
      struct data;
      
    public:
      
      timer();
      
      timer(const timer&) = delete;
      timer& operator =(const timer&) = delete;
      timer(timer&&) = default;
      timer& operator =(timer&&) = default;
      ~timer();
      
      
      [[nodiscard]] virtual auto enabled() const noexcept -> bool;
      virtual auto enabled(bool value) -> timer&;
      
      [[nodiscard]] virtual auto interval() const noexcept -> xtd::time_span;
      virtual auto interval(const xtd::time_span& value) -> timer&;
      
      [[nodiscard]] virtual auto interval_milliseconds() const noexcept -> xtd::int32;
      virtual auto interval_milliseconds(xtd::int32 value) -> timer&;
      
      
      auto start() -> void;
      
      auto stop() -> void;
      
      
      [[nodiscard]] static auto create() -> timer;
      [[nodiscard]] static auto create(const xtd::time_span& interval) -> timer;
      [[nodiscard]] static auto create(const xtd::time_span& interval, bool enable) -> timer;
      [[nodiscard]] static auto create(xtd::int32 interval_milliseconds) -> timer;
      [[nodiscard]] static auto create(xtd::int32 interval_milliseconds, bool enable) -> timer;
      
      
      xtd::event<timer, xtd::event_handler> tick;
      
    protected:
      
      virtual auto on_tick(const xtd::event_args& e) -> void;
      
    private:
      auto restart() -> void;
      
      xtd::sptr<data> data_;
    };
  }
}