core/homeassistant/components/cambridge_audio/switch.py

83 lines
2.8 KiB
Python

"""Support for Cambridge Audio switch entities."""
from collections.abc import Awaitable, Callable
from dataclasses import dataclass
from typing import Any
from aiostreammagic import StreamMagicClient
from homeassistant.components.switch import SwitchEntity, SwitchEntityDescription
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import EntityCategory
from homeassistant.core import HomeAssistant
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .entity import CambridgeAudioEntity
@dataclass(frozen=True, kw_only=True)
class CambridgeAudioSwitchEntityDescription(SwitchEntityDescription):
"""Describes Cambridge Audio switch entity."""
value_fn: Callable[[StreamMagicClient], bool]
set_value_fn: Callable[[StreamMagicClient, bool], Awaitable[None]]
CONTROL_ENTITIES: tuple[CambridgeAudioSwitchEntityDescription, ...] = (
CambridgeAudioSwitchEntityDescription(
key="pre_amp",
translation_key="pre_amp",
entity_category=EntityCategory.CONFIG,
value_fn=lambda client: client.state.pre_amp_mode,
set_value_fn=lambda client, value: client.set_pre_amp_mode(value),
),
CambridgeAudioSwitchEntityDescription(
key="early_update",
translation_key="early_update",
entity_category=EntityCategory.CONFIG,
value_fn=lambda client: client.update.early_update,
set_value_fn=lambda client, value: client.set_early_update(value),
),
)
async def async_setup_entry(
hass: HomeAssistant,
entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Cambridge Audio switch entities based on a config entry."""
async_add_entities(
CambridgeAudioSwitch(entry.runtime_data, description)
for description in CONTROL_ENTITIES
)
class CambridgeAudioSwitch(CambridgeAudioEntity, SwitchEntity):
"""Defines a Cambridge Audio switch entity."""
entity_description: CambridgeAudioSwitchEntityDescription
def __init__(
self,
client: StreamMagicClient,
description: CambridgeAudioSwitchEntityDescription,
) -> None:
"""Initialize Cambridge Audio switch."""
super().__init__(client)
self.entity_description = description
self._attr_unique_id = f"{client.info.unit_id}-{description.key}"
@property
def is_on(self) -> bool:
"""Return the state of the switch."""
return self.entity_description.value_fn(self.client)
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn the switch on."""
await self.entity_description.set_value_fn(self.client, True)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the switch off."""
await self.entity_description.set_value_fn(self.client, False)