core/homeassistant/components/ihc/light.py

108 lines
3.4 KiB
Python

"""IHC light platform.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/light.ihc/
"""
import logging
from homeassistant.components.ihc import (
IHC_DATA, IHC_CONTROLLER, IHC_INFO)
from homeassistant.components.ihc.const import (
CONF_DIMMABLE)
from homeassistant.components.ihc.ihcdevice import IHCDevice
from homeassistant.components.light import (
ATTR_BRIGHTNESS, SUPPORT_BRIGHTNESS, Light)
DEPENDENCIES = ['ihc']
_LOGGER = logging.getLogger(__name__)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the IHC lights platform."""
if discovery_info is None:
return
devices = []
for name, device in discovery_info.items():
ihc_id = device['ihc_id']
product_cfg = device['product_cfg']
product = device['product']
# Find controller that corresponds with device id
ctrl_id = device['ctrl_id']
ihc_key = IHC_DATA.format(ctrl_id)
info = hass.data[ihc_key][IHC_INFO]
ihc_controller = hass.data[ihc_key][IHC_CONTROLLER]
dimmable = product_cfg[CONF_DIMMABLE]
light = IhcLight(ihc_controller, name, ihc_id, info,
dimmable, product)
devices.append(light)
add_entities(devices)
class IhcLight(IHCDevice, Light):
"""Representation of a IHC light.
For dimmable lights, the associated IHC resource should be a light
level (integer). For non dimmable light the IHC resource should be
an on/off (boolean) resource
"""
def __init__(self, ihc_controller, name, ihc_id: int, info: bool,
dimmable=False, product=None) -> None:
"""Initialize the light."""
super().__init__(ihc_controller, name, ihc_id, info, product)
self._brightness = 0
self._dimmable = dimmable
self._state = None
@property
def brightness(self) -> int:
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def is_on(self) -> bool:
"""Return true if light is on."""
return self._state
@property
def supported_features(self):
"""Flag supported features."""
if self._dimmable:
return SUPPORT_BRIGHTNESS
return 0
def turn_on(self, **kwargs) -> None:
"""Turn the light on."""
if ATTR_BRIGHTNESS in kwargs:
brightness = kwargs[ATTR_BRIGHTNESS]
else:
brightness = self._brightness
if brightness == 0:
brightness = 255
if self._dimmable:
self.ihc_controller.set_runtime_value_int(
self.ihc_id, int(brightness * 100 / 255))
else:
self.ihc_controller.set_runtime_value_bool(self.ihc_id, True)
def turn_off(self, **kwargs) -> None:
"""Turn the light off."""
if self._dimmable:
self.ihc_controller.set_runtime_value_int(self.ihc_id, 0)
else:
self.ihc_controller.set_runtime_value_bool(self.ihc_id, False)
def on_ihc_change(self, ihc_id, value):
"""Handle IHC notifications."""
if isinstance(value, bool):
self._dimmable = False
self._state = value != 0
else:
self._dimmable = True
self._state = value > 0
if self._state:
self._brightness = int(value * 255 / 100)
self.schedule_update_ha_state()