core/homeassistant/components/axis/light.py

119 lines
3.7 KiB
Python

"""Support for Axis lights."""
from dataclasses import dataclass
from typing import Any
from axis.models.event import Event, EventTopic
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ColorMode,
LightEntity,
LightEntityDescription,
)
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from . import AxisConfigEntry
from .entity import TOPIC_TO_EVENT_TYPE, AxisEventDescription, AxisEventEntity
from .hub import AxisHub
@callback
def light_name_fn(hub: AxisHub, event: Event) -> str:
"""Provide Axis light entity name."""
event_type = TOPIC_TO_EVENT_TYPE[event.topic_base]
light_id = f"led{event.id}"
light_type = hub.api.vapix.light_control[light_id].light_type
return f"{light_type} {event_type} {event.id}"
@dataclass(frozen=True, kw_only=True)
class AxisLightDescription(AxisEventDescription, LightEntityDescription):
"""Axis light entity description."""
ENTITY_DESCRIPTIONS = (
AxisLightDescription(
key="Light state control",
event_topic=EventTopic.LIGHT_STATUS,
name_fn=light_name_fn,
supported_fn=lambda hub, event: len(hub.api.vapix.light_control) > 0,
),
)
async def async_setup_entry(
hass: HomeAssistant,
config_entry: AxisConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up the Axis light platform."""
config_entry.runtime_data.entity_loader.register_platform(
async_add_entities, AxisLight, ENTITY_DESCRIPTIONS
)
class AxisLight(AxisEventEntity, LightEntity):
"""Representation of an Axis light."""
entity_description: AxisLightDescription
_attr_should_poll = True
_attr_color_mode = ColorMode.BRIGHTNESS
_attr_supported_color_modes = {ColorMode.BRIGHTNESS}
def __init__(
self, hub: AxisHub, description: AxisLightDescription, event: Event
) -> None:
"""Initialize the Axis light."""
super().__init__(hub, description, event)
self._attr_is_on = event.is_tripped
self._light_id = f"led{event.id}"
self.current_intensity = 0
self.max_intensity = 0
async def async_added_to_hass(self) -> None:
"""Subscribe lights events."""
await super().async_added_to_hass()
self.current_intensity = (
await self.hub.api.vapix.light_control.get_current_intensity(self._light_id)
)
self.max_intensity = (
await self.hub.api.vapix.light_control.get_valid_intensity(self._light_id)
).high
@callback
def async_event_callback(self, event: Event) -> None:
"""Update light state."""
self._attr_is_on = event.is_tripped
self.async_write_ha_state()
@property
def brightness(self) -> int:
"""Return the brightness of this light between 0..255."""
return int((self.current_intensity / self.max_intensity) * 255)
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn on light."""
if not self.is_on:
await self.hub.api.vapix.light_control.activate_light(self._light_id)
if ATTR_BRIGHTNESS in kwargs:
intensity = int((kwargs[ATTR_BRIGHTNESS] / 255) * self.max_intensity)
await self.hub.api.vapix.light_control.set_manual_intensity(
self._light_id, intensity
)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn off light."""
if self.is_on:
await self.hub.api.vapix.light_control.deactivate_light(self._light_id)
async def async_update(self) -> None:
"""Update brightness."""
self.current_intensity = (
await self.hub.api.vapix.light_control.get_current_intensity(self._light_id)
)