controller_registry.h

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#pragma once
 
#include "esphome/core/defines.h"
 
#ifdef USE_CONTROLLER_REGISTRY
 
#include "esphome/core/entity_includes.h"
#include "esphome/core/helpers.h"
 
namespace esphome {
 
class Controller;
 
class ControllerRegistry {
 public:
  static void register_controller(Controller *controller) { controllers.push_back(controller); }
 
// Notify method declarations (generated from entity_types.h)
// NOLINTBEGIN(bugprone-macro-parentheses)
#define ENTITY_TYPE_(type, singular, plural, count, upper)  // no controller callback
#define ENTITY_CONTROLLER_TYPE_(type, singular, plural, count, upper, callback) \
  static void notify_##callback(type *obj);
#include "esphome/core/entity_types.h"
#undef ENTITY_TYPE_
#undef ENTITY_CONTROLLER_TYPE_
  // NOLINTEND(bugprone-macro-parentheses)
 
 protected:
  static StaticVector<Controller *, CONTROLLER_REGISTRY_MAX> controllers;
};
 
}  // namespace esphome
 
// Include controller.h AFTER the class definition so notify methods can be
// defined inline. This is safe because controller_registry.h is only ever
// included from .cpp files, never from other headers.
#include "esphome/core/controller.h"
 
namespace esphome {
 
// Inline notify methods — each is a tiny loop over 1-2 controllers.
// Defining them here (rather than in controller_registry.cpp) allows the
// compiler to inline them into the single call site in each entity's
// notify_frontend_(), eliminating an unnecessary function-call frame.
 
// NOLINTBEGIN(bugprone-macro-parentheses)
#define ENTITY_TYPE_(type, singular, plural, count, upper)  // no controller callback
#define ENTITY_CONTROLLER_TYPE_(type, singular, plural, count, upper, callback) \
  inline void ControllerRegistry::notify_##callback(type *obj) { \
    for (auto *controller : controllers) { \
      controller->on_##callback(obj); \
    } \
  }
#include "esphome/core/entity_types.h"
#undef ENTITY_TYPE_
#undef ENTITY_CONTROLLER_TYPE_
// NOLINTEND(bugprone-macro-parentheses)
 
}  // namespace esphome
 
#endif  // USE_CONTROLLER_REGISTRY