core/homeassistant/components/velbus/light.py

104 lines
3.3 KiB
Python

"""Support for Velbus light."""
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_FLASH,
ATTR_TRANSITION,
FLASH_LONG,
FLASH_SHORT,
SUPPORT_BRIGHTNESS,
SUPPORT_FLASH,
SUPPORT_TRANSITION,
LightEntity,
)
from . import VelbusEntity
from .const import DOMAIN
async def async_setup_entry(hass, entry, async_add_entities):
"""Set up Velbus switch based on config_entry."""
await hass.data[DOMAIN][entry.entry_id]["tsk"]
cntrl = hass.data[DOMAIN][entry.entry_id]["cntrl"]
entities = []
for channel in cntrl.get_all("light"):
entities.append(VelbusLight(channel, False))
for channel in cntrl.get_all("led"):
entities.append(VelbusLight(channel, True))
async_add_entities(entities)
class VelbusLight(VelbusEntity, LightEntity):
"""Representation of a Velbus light."""
def __init__(self, channel, led):
"""Initialize a light Velbus entity."""
super().__init__(channel)
self._is_led = led
@property
def name(self):
"""Return the display name of this entity."""
if self._is_led:
return f"LED {self._channel.get_name()}"
return self._channel.get_name()
@property
def supported_features(self):
"""Flag supported features."""
if self._is_led:
return SUPPORT_FLASH
return SUPPORT_BRIGHTNESS | SUPPORT_TRANSITION
@property
def is_on(self):
"""Return true if the light is on."""
return self._channel.is_on()
@property
def brightness(self):
"""Return the brightness of the light."""
return int((self._channel.get_dimmer_state() * 255) / 100)
async def async_turn_on(self, **kwargs):
"""Instruct the Velbus light to turn on."""
if self._is_led:
if ATTR_FLASH in kwargs:
if kwargs[ATTR_FLASH] == FLASH_LONG:
attr, *args = "set_led_state", "slow"
elif kwargs[ATTR_FLASH] == FLASH_SHORT:
attr, *args = "set_led_state", "fast"
else:
attr, *args = "set_led_state", "on"
else:
attr, *args = "set_led_state", "on"
else:
if ATTR_BRIGHTNESS in kwargs:
# Make sure a low but non-zero value is not rounded down to zero
if kwargs[ATTR_BRIGHTNESS] == 0:
brightness = 0
else:
brightness = max(int((kwargs[ATTR_BRIGHTNESS] * 100) / 255), 1)
attr, *args = (
"set_dimmer_state",
brightness,
kwargs.get(ATTR_TRANSITION, 0),
)
else:
attr, *args = (
"restore_dimmer_state",
kwargs.get(ATTR_TRANSITION, 0),
)
await getattr(self._channel, attr)(*args)
async def async_turn_off(self, **kwargs):
"""Instruct the velbus light to turn off."""
if self._is_led:
attr, *args = "set_led_state", "off"
else:
attr, *args = (
"set_dimmer_state",
0,
kwargs.get(ATTR_TRANSITION, 0),
)
await getattr(self._channel, attr)(*args)