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60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
"""Provides triggers for lights."""
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from homeassistant.const import STATE_OFF, STATE_ON
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from homeassistant.core import HomeAssistant, State
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from homeassistant.helpers.automation import DomainSpec
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from homeassistant.helpers.trigger import (
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EntityNumericalStateChangedTriggerBase,
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EntityNumericalStateCrossedThresholdTriggerBase,
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EntityNumericalStateTriggerBase,
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Trigger,
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make_entity_target_state_trigger,
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)
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from . import ATTR_BRIGHTNESS
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from .const import DOMAIN
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BRIGHTNESS_DOMAIN_SPECS = {
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DOMAIN: DomainSpec(value_source=ATTR_BRIGHTNESS),
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}
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class BrightnessTriggerMixin(EntityNumericalStateTriggerBase):
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"""Mixin for brightness triggers."""
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_domain_specs = BRIGHTNESS_DOMAIN_SPECS
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_valid_unit = "%"
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def _get_tracked_value(self, state: State) -> float | None:
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"""Get tracked brightness as a percentage."""
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value = super()._get_tracked_value(state)
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if value is None:
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return None
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# Convert uint8 value (0-255) to a percentage (0-100)
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return (value / 255.0) * 100.0
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class BrightnessChangedTrigger(
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EntityNumericalStateChangedTriggerBase, BrightnessTriggerMixin
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):
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"""Trigger for light brightness changes."""
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class BrightnessCrossedThresholdTrigger(
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EntityNumericalStateCrossedThresholdTriggerBase, BrightnessTriggerMixin
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):
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"""Trigger for light brightness crossing a threshold."""
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TRIGGERS: dict[str, type[Trigger]] = {
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"brightness_changed": BrightnessChangedTrigger,
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"brightness_crossed_threshold": BrightnessCrossedThresholdTrigger,
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"turned_off": make_entity_target_state_trigger(DOMAIN, STATE_OFF),
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"turned_on": make_entity_target_state_trigger(DOMAIN, STATE_ON),
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}
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async def async_get_triggers(hass: HomeAssistant) -> dict[str, type[Trigger]]:
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"""Return the triggers for lights."""
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return TRIGGERS
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