core/homeassistant/components/cast/__init__.py

96 lines
2.9 KiB
Python

"""Component to embed Google Cast."""
from __future__ import annotations
from typing import Protocol
from pychromecast import Chromecast
from homeassistant.components.media_player import BrowseMedia, MediaType
from homeassistant.config_entries import ConfigEntry
from homeassistant.const import Platform
from homeassistant.core import HomeAssistant, callback
from homeassistant.exceptions import HomeAssistantError
from homeassistant.helpers import device_registry as dr
from homeassistant.helpers.integration_platform import (
async_process_integration_platforms,
)
from . import home_assistant_cast
from .const import DOMAIN
PLATFORMS = [Platform.MEDIA_PLAYER]
async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
"""Set up Cast from a config entry."""
hass.data[DOMAIN] = {"cast_platform": {}, "unknown_models": {}}
await home_assistant_cast.async_setup_ha_cast(hass, entry)
await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
await async_process_integration_platforms(hass, DOMAIN, _register_cast_platform)
return True
class CastProtocol(Protocol):
"""Define the format of cast platforms."""
async def async_get_media_browser_root_object(
self, hass: HomeAssistant, cast_type: str
) -> list[BrowseMedia]:
"""Create a list of root objects for media browsing."""
async def async_browse_media(
self,
hass: HomeAssistant,
media_content_type: MediaType | str,
media_content_id: str,
cast_type: str,
) -> BrowseMedia | None:
"""Browse media.
Return a BrowseMedia object or None if the media does not belong to
this platform.
"""
async def async_play_media(
self,
hass: HomeAssistant,
cast_entity_id: str,
chromecast: Chromecast,
media_type: MediaType | str,
media_id: str,
) -> bool:
"""Play media.
Return True if the media is played by the platform, False if not.
"""
@callback
def _register_cast_platform(
hass: HomeAssistant, integration_domain: str, platform: CastProtocol
):
"""Register a cast platform."""
if (
not hasattr(platform, "async_get_media_browser_root_object")
or not hasattr(platform, "async_browse_media")
or not hasattr(platform, "async_play_media")
):
raise HomeAssistantError(f"Invalid cast platform {platform}")
hass.data[DOMAIN]["cast_platform"][integration_domain] = platform
async def async_remove_entry(hass: HomeAssistant, entry: ConfigEntry) -> None:
"""Remove Home Assistant Cast user."""
await home_assistant_cast.async_remove_user(hass, entry)
async def async_remove_config_entry_device(
hass: HomeAssistant, config_entry: ConfigEntry, device_entry: dr.DeviceEntry
) -> bool:
"""Remove cast config entry from a device.
The actual cleanup is done in CastMediaPlayerEntity.async_will_remove_from_hass.
"""
return True