13static const char *
const TAG =
"mqtt.light";
37 char topic_buf[MQTT_DEFAULT_TOPIC_MAX_LEN];
47 root[ESPHOME_F(
"schema")] = ESPHOME_F(
"json");
51 JsonArray color_modes = root[ESPHOME_F(
"supported_color_modes")].to<JsonArray>();
52 if (traits.supports_color_mode(ColorMode::ON_OFF))
53 color_modes.add(ESPHOME_F(
"onoff"));
54 if (traits.supports_color_mode(ColorMode::BRIGHTNESS))
55 color_modes.add(ESPHOME_F(
"brightness"));
56 if (traits.supports_color_mode(ColorMode::WHITE))
57 color_modes.add(ESPHOME_F(
"white"));
58 if (traits.supports_color_mode(ColorMode::COLOR_TEMPERATURE) ||
59 traits.supports_color_mode(ColorMode::COLD_WARM_WHITE))
60 color_modes.add(ESPHOME_F(
"color_temp"));
61 if (traits.supports_color_mode(ColorMode::RGB))
62 color_modes.add(ESPHOME_F(
"rgb"));
63 if (traits.supports_color_mode(ColorMode::RGB_WHITE) ||
65 traits.supports_color_mode(ColorMode::RGB_COLOR_TEMPERATURE))
66 color_modes.add(ESPHOME_F(
"rgbw"));
67 if (traits.supports_color_mode(ColorMode::RGB_COLD_WARM_WHITE))
68 color_modes.add(ESPHOME_F(
"rgbww"));
70 if (traits.supports_color_mode(ColorMode::COLOR_TEMPERATURE) ||
71 traits.supports_color_mode(ColorMode::COLD_WARM_WHITE)) {
72 root[MQTT_MIN_MIREDS] = traits.get_min_mireds();
73 root[MQTT_MAX_MIREDS] = traits.get_max_mireds();
77 root[ESPHOME_F(
"effect")] =
true;
78 JsonArray effect_list = root[MQTT_EFFECT_LIST].to<JsonArray>();
81 effect_list.add(effect->get_name().c_str());
83 effect_list.add(ESPHOME_F(
"None"));
89 LOG_MQTT_COMPONENT(
true,
true);
ESPDEPRECATED("Use const char* overload instead. Removed in 2026.7.0", "2026.1.0") void defer(const std voi defer)(const char *name, std::function< void()> &&f)
Defer a callback to the next loop() call.
const StringRef & get_name() const
constexpr const char * c_str() const
This class represents a requested change in a light state.
static void parse_json(LightState &state, LightCall &call, JsonObject root)
Parse the JSON state of a light to a LightCall.
static void dump_json(LightState &state, JsonObject root)
Dump the state of a light as JSON.
This class represents the communication layer between the front-end MQTT layer and the hardware outpu...
void add_remote_values_listener(LightRemoteValuesListener *listener)
Add a listener for remote values changes.
const FixedVector< LightEffect * > & get_effects() const
Get all effects for this light state.
bool supports_effects()
Return whether the light has any effects that meet the trait requirements.
void subscribe_json(const std::string &topic, const mqtt_json_callback_t &callback, uint8_t qos=0)
Subscribe to a MQTT topic and automatically parse JSON payload.
bool publish_json(const std::string &topic, const json::json_build_t &f)
Construct and send a JSON MQTT message.
StringRef get_state_topic_to_(std::span< char, MQTT_DEFAULT_TOPIC_MAX_LEN > buf) const
Get the MQTT state topic into a buffer (no heap allocation for non-lambda custom topics).
std::string get_command_topic_() const
Get the MQTT topic for listening to commands (allocates std::string).
void dump_config() override
light::LightState * state_
MQTTJSONLightComponent(light::LightState *state)
void on_light_remote_values_update() override
void send_discovery(JsonObject root, mqtt::SendDiscoveryConfig &config) override
bool send_initial_state() override
light::LightState * get_state() const
MQTT_COMPONENT_TYPE(MQTTAlarmControlPanelComponent, "alarm_control_panel") const EntityBase *MQTTAlarmControlPanelComponent
Simple Helper struct used for Home Assistant MQTT send_discovery().