core/homeassistant/components/homeworks/light.py

116 lines
3.7 KiB
Python

"""Support for Lutron Homeworks lights."""
from __future__ import annotations
import logging
from typing import Any
from pyhomeworks.pyhomeworks import HW_LIGHT_CHANGED, Homeworks
from homeassistant.components.light import ATTR_BRIGHTNESS, ColorMode, LightEntity
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import CONF_NAME
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.device_registry import DeviceInfo
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import HomeworksData
from .const import CONF_ADDR, CONF_CONTROLLER_ID, CONF_DIMMERS, CONF_RATE, DOMAIN
from .entity import HomeworksEntity
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(
hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
) -> None:
"""Set up Homeworks lights."""
data: HomeworksData = hass.data[DOMAIN][entry.entry_id]
controller = data.controller
controller_id = entry.options[CONF_CONTROLLER_ID]
entities = []
for dimmer in entry.options.get(CONF_DIMMERS, []):
entity = HomeworksLight(
controller,
controller_id,
dimmer[CONF_ADDR],
dimmer[CONF_NAME],
dimmer[CONF_RATE],
)
entities.append(entity)
async_add_entities(entities, True)
class HomeworksLight(HomeworksEntity, LightEntity):
"""Homeworks Light."""
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(
self,
controller: Homeworks,
controller_id: str,
addr: str,
name: str,
rate: float,
) -> None:
"""Create device with Addr, name, and rate."""
super().__init__(controller, controller_id, addr, 0, None)
self._attr_device_info = DeviceInfo(
identifiers={(DOMAIN, f"{controller_id}.{addr}")}, name=name
)
self._rate = rate
self._level = 0
self._prev_level = 0
async def async_added_to_hass(self) -> None:
"""Call when entity is added to hass."""
signal = f"homeworks_entity_{self._controller_id}_{self._addr}"
_LOGGER.debug("connecting %s", signal)
self.async_on_remove(
async_dispatcher_connect(self.hass, signal, self._update_callback)
)
self._controller.request_dimmer_level(self._addr)
def turn_on(self, **kwargs: Any) -> None:
"""Turn on the light."""
if ATTR_BRIGHTNESS in kwargs:
new_level = kwargs[ATTR_BRIGHTNESS]
elif self._prev_level == 0:
new_level = 255
else:
new_level = self._prev_level
self._set_brightness(new_level)
def turn_off(self, **kwargs: Any) -> None:
"""Turn off the light."""
self._set_brightness(0)
@property
def brightness(self) -> int:
"""Control the brightness."""
return self._level
def _set_brightness(self, level: int) -> None:
"""Send the brightness level to the device."""
self._controller.fade_dim(
float((level * 100.0) / 255.0), self._rate, 0, self._addr
)
@property
def is_on(self) -> bool:
"""Is the light on/off."""
return self._level != 0
@callback
def _update_callback(self, msg_type: str, values: list[Any]) -> None:
"""Process device specific messages."""
if msg_type == HW_LIGHT_CHANGED:
self._level = int((values[1] * 255.0) / 100.0)
if self._level != 0:
self._prev_level = self._level
self.async_write_ha_state()