Introduce the timed events

1 files changed, 54 insertions, 0 deletions

diff --git a/src/utils/timed_events.cpp b/src/utils/timed_events.cpp
new file mode 100644
index 0000000..10ef4c1
--- /dev/null
+++ b/src/utils/timed_events.cpp
@@ -0,0 +1,54 @@
+#include <utils/timed_events.hpp>
+
+TimedEvent::TimedEvent(std::chrono::steady_clock::time_point&& time_point,
+                       std::function<void()> callback):
+  time_point(std::move(time_point)),
+  callback(callback),
+  repeat(false),
+  repeat_delay(0)
+{
+}
+
+TimedEvent::TimedEvent(std::chrono::milliseconds&& duration,
+                       std::function<void()> callback):
+  time_point(std::chrono::steady_clock::now() + duration),
+  callback(callback),
+  repeat(true),
+  repeat_delay(std::move(duration))
+{
+}
+
+TimedEvent::TimedEvent(TimedEvent&& other):
+  time_point(std::move(other.time_point)),
+  callback(std::move(other.callback)),
+  repeat(other.repeat),
+  repeat_delay(std::move(other.repeat_delay))
+{
+}
+
+TimedEvent::~TimedEvent()
+{
+}
+
+bool TimedEvent::is_after(const TimedEvent& other) const
+{
+  return this->is_after(other.time_point);
+}
+
+bool TimedEvent::is_after(const std::chrono::steady_clock::time_point& time_point) const
+{
+  return this->time_point >= time_point;
+}
+
+std::chrono::milliseconds TimedEvent::get_timeout() const
+{
+  auto now = std::chrono::steady_clock::now();
+  if (now > this->time_point)
+    return std::chrono::milliseconds(0);
+  return std::chrono::duration_cast<std::chrono::milliseconds>(this->time_point - now);
+}
+
+void TimedEvent::execute()
+{
+  this->callback();
+}