core/homeassistant/components/elkm1/light.py

60 lines
1.8 KiB
Python

"""
Support for control of ElkM1 lighting (X10, UPB, etc).
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.elkm1/
"""
from homeassistant.components.light import (
ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light)
from homeassistant.components.elkm1 import (
DOMAIN as ELK_DOMAIN, ElkEntity, create_elk_entities)
DEPENDENCIES = [ELK_DOMAIN]
async def async_setup_platform(hass, config, async_add_entities,
discovery_info=None):
"""Set up the Elk light platform."""
if discovery_info is None:
return
elk = hass.data[ELK_DOMAIN]['elk']
async_add_entities(
create_elk_entities(hass, elk.lights, 'plc', ElkLight, []), True)
class ElkLight(ElkEntity, Light):
"""Elk lighting device."""
def __init__(self, element, elk, elk_data):
"""Initialize light."""
super().__init__(element, elk, elk_data)
self._brightness = self._element.status
@property
def brightness(self):
"""Get the brightness."""
return self._brightness
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_BRIGHTNESS
@property
def is_on(self) -> bool:
"""Get the current brightness."""
return self._brightness != 0
def _element_changed(self, element, changeset):
status = self._element.status if self._element.status != 1 else 100
self._brightness = round(status * 2.55)
async def async_turn_on(self, **kwargs):
"""Turn on the light."""
self._element.level(round(kwargs.get(ATTR_BRIGHTNESS, 255) / 2.55))
async def async_turn_off(self, **kwargs):
"""Turn off the light."""
self._element.level(0)