mirror of https://github.com/home-assistant/core
143 lines
4.6 KiB
Python
143 lines
4.6 KiB
Python
"""Support for Homematic lights."""
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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ATTR_COLOR_TEMP,
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ATTR_EFFECT,
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ATTR_HS_COLOR,
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ATTR_TRANSITION,
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SUPPORT_BRIGHTNESS,
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SUPPORT_COLOR,
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SUPPORT_COLOR_TEMP,
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SUPPORT_EFFECT,
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SUPPORT_TRANSITION,
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LightEntity,
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)
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from .const import ATTR_DISCOVER_DEVICES
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from .entity import HMDevice
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SUPPORT_HOMEMATIC = SUPPORT_BRIGHTNESS
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Homematic light platform."""
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if discovery_info is None:
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return
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devices = []
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for conf in discovery_info[ATTR_DISCOVER_DEVICES]:
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new_device = HMLight(conf)
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devices.append(new_device)
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add_entities(devices, True)
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class HMLight(HMDevice, LightEntity):
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"""Representation of a Homematic light."""
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@property
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def brightness(self):
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"""Return the brightness of this light between 0..255."""
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# Is dimmer?
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if self._state == "LEVEL":
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return int(self._hm_get_state() * 255)
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return None
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@property
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def is_on(self):
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"""Return true if light is on."""
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try:
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return self._hm_get_state() > 0
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except TypeError:
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return False
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@property
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def supported_features(self):
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"""Flag supported features."""
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features = SUPPORT_BRIGHTNESS | SUPPORT_TRANSITION
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if "COLOR" in self._hmdevice.WRITENODE:
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features |= SUPPORT_COLOR
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if "PROGRAM" in self._hmdevice.WRITENODE:
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features |= SUPPORT_EFFECT
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if hasattr(self._hmdevice, "get_color_temp"):
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features |= SUPPORT_COLOR_TEMP
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return features
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@property
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def hs_color(self):
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"""Return the hue and saturation color value [float, float]."""
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if not self.supported_features & SUPPORT_COLOR:
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return None
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hue, sat = self._hmdevice.get_hs_color(self._channel)
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return hue * 360.0, sat * 100.0
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@property
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def color_temp(self):
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"""Return the color temp in mireds [int]."""
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if not self.supported_features & SUPPORT_COLOR_TEMP:
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return None
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hm_color_temp = self._hmdevice.get_color_temp(self._channel)
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return self.max_mireds - (self.max_mireds - self.min_mireds) * hm_color_temp
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@property
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def effect_list(self):
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"""Return the list of supported effects."""
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if not self.supported_features & SUPPORT_EFFECT:
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return None
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return self._hmdevice.get_effect_list()
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@property
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def effect(self):
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"""Return the current color change program of the light."""
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if not self.supported_features & SUPPORT_EFFECT:
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return None
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return self._hmdevice.get_effect()
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def turn_on(self, **kwargs):
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"""Turn the light on and/or change color or color effect settings."""
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if ATTR_TRANSITION in kwargs:
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self._hmdevice.setValue("RAMP_TIME", kwargs[ATTR_TRANSITION], self._channel)
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if ATTR_BRIGHTNESS in kwargs and self._state == "LEVEL":
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percent_bright = float(kwargs[ATTR_BRIGHTNESS]) / 255
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self._hmdevice.set_level(percent_bright, self._channel)
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elif (
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ATTR_HS_COLOR not in kwargs
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and ATTR_COLOR_TEMP not in kwargs
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and ATTR_EFFECT not in kwargs
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):
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self._hmdevice.on(self._channel)
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if ATTR_HS_COLOR in kwargs and self.supported_features & SUPPORT_COLOR:
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self._hmdevice.set_hs_color(
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hue=kwargs[ATTR_HS_COLOR][0] / 360.0,
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saturation=kwargs[ATTR_HS_COLOR][1] / 100.0,
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channel=self._channel,
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)
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if ATTR_COLOR_TEMP in kwargs:
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hm_temp = (self.max_mireds - kwargs[ATTR_COLOR_TEMP]) / (
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self.max_mireds - self.min_mireds
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)
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self._hmdevice.set_color_temp(hm_temp)
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if ATTR_EFFECT in kwargs:
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self._hmdevice.set_effect(kwargs[ATTR_EFFECT])
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def turn_off(self, **kwargs):
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"""Turn the light off."""
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if ATTR_TRANSITION in kwargs:
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self._hmdevice.setValue("RAMP_TIME", kwargs[ATTR_TRANSITION], self._channel)
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self._hmdevice.off(self._channel)
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def _init_data_struct(self):
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"""Generate a data dict (self._data) from the Homematic metadata."""
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# Use LEVEL
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self._state = "LEVEL"
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self._data[self._state] = None
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if self.supported_features & SUPPORT_COLOR:
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self._data.update({"COLOR": None})
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if self.supported_features & SUPPORT_EFFECT:
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self._data.update({"PROGRAM": None})
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