event_manager.h

#ifndef INCLUDE_GAZE_GUI_EVENT_MANAGER_H_
#define INCLUDE_GAZE_GUI_EVENT_MANAGER_H_

#include <vector>

#include "dlib/gui_core.h"


namespace gaze {

namespace gui {

enum Events : int {
  PIPELINE_DATA_UPDATED
};

class EventManager {
  std::vector<dlib::base_window*> subscribers;

  EventManager();

 public:
  static EventManager& instance();

  void publish(void* data, Events event);

  void subscribe(dlib::base_window* subscriber);

  void unsubscribe(dlib::base_window* subscriber);
};

}  // namespace gui

}  // namespace gaze

#endif  // INCLUDE_GAZE_GUI_EVENT_MANAGER_H_