"""Provide functionality to interact with Cast devices on the network.""" from __future__ import annotations import asyncio from contextlib import suppress from datetime import datetime, timedelta import functools as ft import json import logging from urllib.parse import quote import pychromecast from pychromecast.controllers.homeassistant import HomeAssistantController from pychromecast.controllers.multizone import MultizoneManager from pychromecast.controllers.plex import PlexController from pychromecast.controllers.receiver import VOLUME_CONTROL_TYPE_FIXED from pychromecast.quick_play import quick_play from pychromecast.socket_client import ( CONNECTION_STATUS_CONNECTED, CONNECTION_STATUS_DISCONNECTED, ) import voluptuous as vol from homeassistant.auth.models import RefreshToken from homeassistant.components import media_source, zeroconf from homeassistant.components.http.auth import async_sign_path from homeassistant.components.media_player import MediaPlayerEntity from homeassistant.components.media_player.const import ( ATTR_MEDIA_EXTRA, MEDIA_TYPE_MOVIE, MEDIA_TYPE_MUSIC, MEDIA_TYPE_TVSHOW, SUPPORT_BROWSE_MEDIA, SUPPORT_NEXT_TRACK, SUPPORT_PAUSE, SUPPORT_PLAY, SUPPORT_PLAY_MEDIA, SUPPORT_PREVIOUS_TRACK, SUPPORT_SEEK, SUPPORT_STOP, SUPPORT_TURN_OFF, SUPPORT_TURN_ON, SUPPORT_VOLUME_MUTE, SUPPORT_VOLUME_SET, ) from homeassistant.components.plex.const import PLEX_URI_SCHEME from homeassistant.components.plex.services import lookup_plex_media from homeassistant.const import ( EVENT_HOMEASSISTANT_STOP, STATE_IDLE, STATE_OFF, STATE_PAUSED, STATE_PLAYING, ) from homeassistant.core import HomeAssistant, callback from homeassistant.helpers import config_validation as cv from homeassistant.helpers.dispatcher import async_dispatcher_connect from homeassistant.helpers.network import NoURLAvailableError, get_url import homeassistant.util.dt as dt_util from homeassistant.util.logging import async_create_catching_coro from .const import ( ADDED_CAST_DEVICES_KEY, CAST_MULTIZONE_MANAGER_KEY, CONF_IGNORE_CEC, CONF_UUID, DOMAIN as CAST_DOMAIN, SIGNAL_CAST_DISCOVERED, SIGNAL_CAST_REMOVED, SIGNAL_HASS_CAST_SHOW_VIEW, ) from .discovery import setup_internal_discovery from .helpers import CastStatusListener, ChromecastInfo, ChromeCastZeroconf _LOGGER = logging.getLogger(__name__) CAST_SPLASH = "https://www.home-assistant.io/images/cast/splash.png" SUPPORT_CAST = ( SUPPORT_PAUSE | SUPPORT_PLAY | SUPPORT_PLAY_MEDIA | SUPPORT_STOP | SUPPORT_TURN_OFF | SUPPORT_TURN_ON ) ENTITY_SCHEMA = vol.All( vol.Schema( { vol.Optional(CONF_UUID): cv.string, vol.Optional(CONF_IGNORE_CEC): vol.All(cv.ensure_list, [cv.string]), } ), ) @callback def _async_create_cast_device(hass: HomeAssistant, info: ChromecastInfo): """Create a CastDevice Entity from the chromecast object. Returns None if the cast device has already been added. """ _LOGGER.debug("_async_create_cast_device: %s", info) if info.uuid is None: _LOGGER.error("_async_create_cast_device uuid none: %s", info) return None # Found a cast with UUID added_casts = hass.data[ADDED_CAST_DEVICES_KEY] if info.uuid in added_casts: # Already added this one, the entity will take care of moved hosts # itself return None # -> New cast device added_casts.add(info.uuid) if info.is_dynamic_group: # This is a dynamic group, do not add it but connect to the service. group = DynamicCastGroup(hass, info) group.async_setup() return None return CastDevice(info) async def async_setup_entry(hass, config_entry, async_add_entities): """Set up Cast from a config entry.""" hass.data.setdefault(ADDED_CAST_DEVICES_KEY, set()) # Import CEC IGNORE attributes pychromecast.IGNORE_CEC += config_entry.data.get(CONF_IGNORE_CEC) or [] wanted_uuids = config_entry.data.get(CONF_UUID) or None @callback def async_cast_discovered(discover: ChromecastInfo) -> None: """Handle discovery of a new chromecast.""" # If wanted_uuids is set, we're only accepting specific cast devices identified # by UUID if wanted_uuids is not None and discover.uuid not in wanted_uuids: # UUID not matching, ignore. return cast_device = _async_create_cast_device(hass, discover) if cast_device is not None: async_add_entities([cast_device]) async_dispatcher_connect(hass, SIGNAL_CAST_DISCOVERED, async_cast_discovered) ChromeCastZeroconf.set_zeroconf(await zeroconf.async_get_instance(hass)) hass.async_add_executor_job(setup_internal_discovery, hass, config_entry) class CastDevice(MediaPlayerEntity): """Representation of a Cast device on the network. This class is the holder of the pychromecast.Chromecast object and its socket client. It therefore handles all reconnects and audio group changing "elected leader" itself. """ def __init__(self, cast_info: ChromecastInfo) -> None: """Initialize the cast device.""" self._cast_info = cast_info self.services = cast_info.services self._chromecast: pychromecast.Chromecast | None = None self.cast_status = None self.media_status = None self.media_status_received = None self.mz_media_status: dict[str, pychromecast.controllers.media.MediaStatus] = {} self.mz_media_status_received: dict[str, datetime] = {} self.mz_mgr = None self._available = False self._status_listener: CastStatusListener | None = None self._hass_cast_controller: HomeAssistantController | None = None self._add_remove_handler = None self._cast_view_remove_handler = None async def async_added_to_hass(self): """Create chromecast object when added to hass.""" self._add_remove_handler = async_dispatcher_connect( self.hass, SIGNAL_CAST_DISCOVERED, self._async_cast_discovered ) self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self._async_stop) self.async_set_cast_info(self._cast_info) # asyncio.create_task is used to avoid delaying startup wrapup if the device # is discovered already during startup but then fails to respond asyncio.create_task( async_create_catching_coro(self.async_connect_to_chromecast()) ) self._cast_view_remove_handler = async_dispatcher_connect( self.hass, SIGNAL_HASS_CAST_SHOW_VIEW, self._handle_signal_show_view ) async def async_will_remove_from_hass(self) -> None: """Disconnect Chromecast object when removed.""" await self._async_disconnect() if self._add_remove_handler: self._add_remove_handler() self._add_remove_handler = None if self._cast_view_remove_handler: self._cast_view_remove_handler() self._cast_view_remove_handler = None def async_set_cast_info(self, cast_info): """Set the cast information.""" self._cast_info = cast_info async def async_connect_to_chromecast(self): """Set up the chromecast object.""" _LOGGER.debug( "[%s %s] Connecting to cast device by service %s", self.entity_id, self._cast_info.friendly_name, self.services, ) chromecast = await self.hass.async_add_executor_job( pychromecast.get_chromecast_from_cast_info, pychromecast.discovery.CastInfo( self.services, self._cast_info.uuid, self._cast_info.model_name, self._cast_info.friendly_name, None, None, ), ChromeCastZeroconf.get_zeroconf(), ) self._chromecast = chromecast if CAST_MULTIZONE_MANAGER_KEY not in self.hass.data: self.hass.data[CAST_MULTIZONE_MANAGER_KEY] = MultizoneManager() self.mz_mgr = self.hass.data[CAST_MULTIZONE_MANAGER_KEY] self._status_listener = CastStatusListener(self, chromecast, self.mz_mgr) self._available = False self.cast_status = chromecast.status self.media_status = chromecast.media_controller.status self._chromecast.start() self.async_write_ha_state() async def _async_disconnect(self): """Disconnect Chromecast object if it is set.""" if self._chromecast is None: # Can't disconnect if not connected. return _LOGGER.debug( "[%s %s] Disconnecting from chromecast socket", self.entity_id, self._cast_info.friendly_name, ) self._available = False self.async_write_ha_state() await self.hass.async_add_executor_job(self._chromecast.disconnect) self._invalidate() self.async_write_ha_state() def _invalidate(self): """Invalidate some attributes.""" self._chromecast = None self.cast_status = None self.media_status = None self.media_status_received = None self.mz_media_status = {} self.mz_media_status_received = {} self.mz_mgr = None self._hass_cast_controller = None if self._status_listener is not None: self._status_listener.invalidate() self._status_listener = None # ========== Callbacks ========== def new_cast_status(self, cast_status): """Handle updates of the cast status.""" self.cast_status = cast_status self.schedule_update_ha_state() def new_media_status(self, media_status): """Handle updates of the media status.""" if ( media_status and media_status.player_is_idle and media_status.idle_reason == "ERROR" ): external_url = None internal_url = None tts_base_url = None url_description = "" if "tts" in self.hass.config.components: with suppress(KeyError): # base_url not configured tts_base_url = self.hass.components.tts.get_base_url(self.hass) with suppress(NoURLAvailableError): # external_url not configured external_url = get_url(self.hass, allow_internal=False) with suppress(NoURLAvailableError): # internal_url not configured internal_url = get_url(self.hass, allow_external=False) if media_status.content_id: if tts_base_url and media_status.content_id.startswith(tts_base_url): url_description = f" from tts.base_url ({tts_base_url})" if external_url and media_status.content_id.startswith(external_url): url_description = f" from external_url ({external_url})" if internal_url and media_status.content_id.startswith(internal_url): url_description = f" from internal_url ({internal_url})" _LOGGER.error( "Failed to cast media %s%s. Please make sure the URL is: " "Reachable from the cast device and either a publicly resolvable " "hostname or an IP address", media_status.content_id, url_description, ) self.media_status = media_status self.media_status_received = dt_util.utcnow() self.schedule_update_ha_state() def new_connection_status(self, connection_status): """Handle updates of connection status.""" _LOGGER.debug( "[%s %s] Received cast device connection status: %s", self.entity_id, self._cast_info.friendly_name, connection_status.status, ) if connection_status.status == CONNECTION_STATUS_DISCONNECTED: self._available = False self._invalidate() self.schedule_update_ha_state() return new_available = connection_status.status == CONNECTION_STATUS_CONNECTED if new_available != self._available: # Connection status callbacks happen often when disconnected. # Only update state when availability changed to put less pressure # on state machine. _LOGGER.debug( "[%s %s] Cast device availability changed: %s", self.entity_id, self._cast_info.friendly_name, connection_status.status, ) self._available = new_available self.schedule_update_ha_state() def multizone_new_media_status(self, group_uuid, media_status): """Handle updates of audio group media status.""" _LOGGER.debug( "[%s %s] Multizone %s media status: %s", self.entity_id, self._cast_info.friendly_name, group_uuid, media_status, ) self.mz_media_status[group_uuid] = media_status self.mz_media_status_received[group_uuid] = dt_util.utcnow() self.schedule_update_ha_state() # ========== Service Calls ========== def _media_controller(self): """ Return media controller. First try from our own cast, then groups which our cast is a member in. """ media_status = self.media_status media_controller = self._chromecast.media_controller if media_status is None or media_status.player_state == "UNKNOWN": groups = self.mz_media_status for k, val in groups.items(): if val and val.player_state != "UNKNOWN": media_controller = self.mz_mgr.get_multizone_mediacontroller(k) break return media_controller def turn_on(self): """Turn on the cast device.""" if not self._chromecast.is_idle: # Already turned on return if self._chromecast.app_id is not None: # Quit the previous app before starting splash screen self._chromecast.quit_app() # The only way we can turn the Chromecast is on is by launching an app self._chromecast.play_media(CAST_SPLASH, pychromecast.STREAM_TYPE_BUFFERED) def turn_off(self): """Turn off the cast device.""" self._chromecast.quit_app() def mute_volume(self, mute): """Mute the volume.""" self._chromecast.set_volume_muted(mute) def set_volume_level(self, volume): """Set volume level, range 0..1.""" self._chromecast.set_volume(volume) def media_play(self): """Send play command.""" media_controller = self._media_controller() media_controller.play() def media_pause(self): """Send pause command.""" media_controller = self._media_controller() media_controller.pause() def media_stop(self): """Send stop command.""" media_controller = self._media_controller() media_controller.stop() def media_previous_track(self): """Send previous track command.""" media_controller = self._media_controller() media_controller.queue_prev() def media_next_track(self): """Send next track command.""" media_controller = self._media_controller() media_controller.queue_next() def media_seek(self, position): """Seek the media to a specific location.""" media_controller = self._media_controller() media_controller.seek(position) async def async_browse_media(self, media_content_type=None, media_content_id=None): """Implement the websocket media browsing helper.""" result = await media_source.async_browse_media(self.hass, media_content_id) return result async def async_play_media(self, media_type, media_id, **kwargs): """Play a piece of media.""" # Handle media_source if media_source.is_media_source_id(media_id): sourced_media = await media_source.async_resolve_media(self.hass, media_id) media_type = sourced_media.mime_type media_id = sourced_media.url # If media ID is a relative URL, we serve it from HA. # Create a signed path. if media_id[0] == "/": # Sign URL with Home Assistant Cast User config_entry_id = self.registry_entry.config_entry_id config_entry = self.hass.config_entries.async_get_entry(config_entry_id) user_id = config_entry.data["user_id"] user = await self.hass.auth.async_get_user(user_id) if user.refresh_tokens: refresh_token: RefreshToken = list(user.refresh_tokens.values())[0] media_id = async_sign_path( self.hass, refresh_token.id, quote(media_id), timedelta(seconds=media_source.DEFAULT_EXPIRY_TIME), ) # prepend external URL hass_url = get_url(self.hass, prefer_external=True) media_id = f"{hass_url}{media_id}" await self.hass.async_add_executor_job( ft.partial(self.play_media, media_type, media_id, **kwargs) ) def play_media(self, media_type, media_id, **kwargs): """Play media from a URL.""" extra = kwargs.get(ATTR_MEDIA_EXTRA, {}) metadata = extra.get("metadata") # We do not want this to be forwarded to a group if media_type == CAST_DOMAIN: try: app_data = json.loads(media_id) if metadata is not None: app_data["metadata"] = extra.get("metadata") except json.JSONDecodeError: _LOGGER.error("Invalid JSON in media_content_id") raise # Special handling for passed `app_id` parameter. This will only launch # an arbitrary cast app, generally for UX. if "app_id" in app_data: app_id = app_data.pop("app_id") _LOGGER.info("Starting Cast app by ID %s", app_id) self._chromecast.start_app(app_id) if app_data: _LOGGER.warning( "Extra keys %s were ignored. Please use app_name to cast media", app_data.keys(), ) return app_name = app_data.pop("app_name") try: quick_play(self._chromecast, app_name, app_data) except NotImplementedError: _LOGGER.error("App %s not supported", app_name) # Handle plex elif media_id and media_id.startswith(PLEX_URI_SCHEME): media_id = media_id[len(PLEX_URI_SCHEME) :] media, _ = lookup_plex_media(self.hass, media_type, media_id) if media is None: return controller = PlexController() self._chromecast.register_handler(controller) controller.play_media(media) else: self._chromecast.media_controller.play_media( media_id, media_type, **kwargs.get(ATTR_MEDIA_EXTRA, {}) ) # ========== Properties ========== @property def should_poll(self): """No polling needed.""" return False @property def name(self): """Return the name of the device.""" return self._cast_info.friendly_name @property def device_info(self): """Return information about the device.""" cast_info = self._cast_info if cast_info.model_name == "Google Cast Group": return None return { "name": cast_info.friendly_name, "identifiers": {(CAST_DOMAIN, cast_info.uuid.replace("-", ""))}, "model": cast_info.model_name, "manufacturer": cast_info.manufacturer, } def _media_status(self): """ Return media status. First try from our own cast, then groups which our cast is a member in. """ media_status = self.media_status media_status_received = self.media_status_received if media_status is None or media_status.player_state == "UNKNOWN": groups = self.mz_media_status for k, val in groups.items(): if val and val.player_state != "UNKNOWN": media_status = val media_status_received = self.mz_media_status_received[k] break return (media_status, media_status_received) @property def state(self): """Return the state of the player.""" media_status = self._media_status()[0] if media_status is None: return None if media_status.player_is_playing: return STATE_PLAYING if media_status.player_is_paused: return STATE_PAUSED if media_status.player_is_idle: return STATE_IDLE if self._chromecast is not None and self._chromecast.is_idle: return STATE_OFF return None @property def available(self): """Return True if the cast device is connected.""" return self._available @property def volume_level(self): """Volume level of the media player (0..1).""" return self.cast_status.volume_level if self.cast_status else None @property def is_volume_muted(self): """Boolean if volume is currently muted.""" return self.cast_status.volume_muted if self.cast_status else None @property def media_content_id(self): """Content ID of current playing media.""" media_status = self._media_status()[0] return media_status.content_id if media_status else None @property def media_content_type(self): """Content type of current playing media.""" media_status = self._media_status()[0] if media_status is None: return None if media_status.media_is_tvshow: return MEDIA_TYPE_TVSHOW if media_status.media_is_movie: return MEDIA_TYPE_MOVIE if media_status.media_is_musictrack: return MEDIA_TYPE_MUSIC return None @property def media_duration(self): """Duration of current playing media in seconds.""" media_status = self._media_status()[0] return media_status.duration if media_status else None @property def media_image_url(self): """Image url of current playing media.""" media_status = self._media_status()[0] if media_status is None: return None images = media_status.images return images[0].url if images and images[0].url else None @property def media_image_remotely_accessible(self) -> bool: """If the image url is remotely accessible.""" return True @property def media_title(self): """Title of current playing media.""" media_status = self._media_status()[0] return media_status.title if media_status else None @property def media_artist(self): """Artist of current playing media (Music track only).""" media_status = self._media_status()[0] return media_status.artist if media_status else None @property def media_album_name(self): """Album of current playing media (Music track only).""" media_status = self._media_status()[0] return media_status.album_name if media_status else None @property def media_album_artist(self): """Album artist of current playing media (Music track only).""" media_status = self._media_status()[0] return media_status.album_artist if media_status else None @property def media_track(self): """Track number of current playing media (Music track only).""" media_status = self._media_status()[0] return media_status.track if media_status else None @property def media_series_title(self): """Return the title of the series of current playing media.""" media_status = self._media_status()[0] return media_status.series_title if media_status else None @property def media_season(self): """Season of current playing media (TV Show only).""" media_status = self._media_status()[0] return media_status.season if media_status else None @property def media_episode(self): """Episode of current playing media (TV Show only).""" media_status = self._media_status()[0] return media_status.episode if media_status else None @property def app_id(self): """Return the ID of the current running app.""" return self._chromecast.app_id if self._chromecast else None @property def app_name(self): """Name of the current running app.""" return self._chromecast.app_display_name if self._chromecast else None @property def supported_features(self): """Flag media player features that are supported.""" support = SUPPORT_CAST media_status = self._media_status()[0] if ( self.cast_status and self.cast_status.volume_control_type != VOLUME_CONTROL_TYPE_FIXED ): support |= SUPPORT_VOLUME_MUTE | SUPPORT_VOLUME_SET if media_status: if media_status.supports_queue_next: support |= SUPPORT_PREVIOUS_TRACK | SUPPORT_NEXT_TRACK if media_status.supports_seek: support |= SUPPORT_SEEK if "media_source" in self.hass.config.components: support |= SUPPORT_BROWSE_MEDIA return support @property def media_position(self): """Position of current playing media in seconds.""" media_status = self._media_status()[0] if media_status is None or not ( media_status.player_is_playing or media_status.player_is_paused or media_status.player_is_idle ): return None return media_status.current_time @property def media_position_updated_at(self): """When was the position of the current playing media valid. Returns value from homeassistant.util.dt.utcnow(). """ media_status_recevied = self._media_status()[1] return media_status_recevied @property def unique_id(self) -> str | None: """Return a unique ID.""" return self._cast_info.uuid async def _async_cast_discovered(self, discover: ChromecastInfo): """Handle discovery of new Chromecast.""" if self._cast_info.uuid != discover.uuid: # Discovered is not our device. return _LOGGER.debug("Discovered chromecast with same UUID: %s", discover) self.async_set_cast_info(discover) async def _async_stop(self, event): """Disconnect socket on Home Assistant stop.""" await self._async_disconnect() def _handle_signal_show_view( self, controller: HomeAssistantController, entity_id: str, view_path: str, url_path: str | None, ): """Handle a show view signal.""" if entity_id != self.entity_id or self._chromecast is None: return if self._hass_cast_controller is None: self._hass_cast_controller = controller self._chromecast.register_handler(controller) self._hass_cast_controller.show_lovelace_view(view_path, url_path) class DynamicCastGroup: """Representation of a Cast device on the network - for dynamic cast groups.""" def __init__(self, hass, cast_info: ChromecastInfo): """Initialize the cast device.""" self.hass = hass self._cast_info = cast_info self.services = cast_info.services self._chromecast: pychromecast.Chromecast | None = None self.mz_mgr = None self._status_listener: CastStatusListener | None = None self._add_remove_handler = None self._del_remove_handler = None def async_setup(self): """Create chromecast object.""" self._add_remove_handler = async_dispatcher_connect( self.hass, SIGNAL_CAST_DISCOVERED, self._async_cast_discovered ) self._del_remove_handler = async_dispatcher_connect( self.hass, SIGNAL_CAST_REMOVED, self._async_cast_removed ) self.hass.bus.async_listen_once(EVENT_HOMEASSISTANT_STOP, self._async_stop) self.async_set_cast_info(self._cast_info) self.hass.async_create_task( async_create_catching_coro(self.async_connect_to_chromecast()) ) async def async_tear_down(self) -> None: """Disconnect Chromecast object.""" await self._async_disconnect() if self._cast_info.uuid is not None: # Remove the entity from the added casts so that it can dynamically # be re-added again. self.hass.data[ADDED_CAST_DEVICES_KEY].remove(self._cast_info.uuid) if self._add_remove_handler: self._add_remove_handler() self._add_remove_handler = None if self._del_remove_handler: self._del_remove_handler() self._del_remove_handler = None def async_set_cast_info(self, cast_info): """Set the cast information and set up the chromecast object.""" self._cast_info = cast_info async def async_connect_to_chromecast(self): """Set the cast information and set up the chromecast object.""" _LOGGER.debug( "[%s %s] Connecting to cast device by service %s", "Dynamic group", self._cast_info.friendly_name, self.services, ) chromecast = await self.hass.async_add_executor_job( pychromecast.get_chromecast_from_cast_info, pychromecast.discovery.CastInfo( self.services, self._cast_info.uuid, self._cast_info.model_name, self._cast_info.friendly_name, None, None, ), ChromeCastZeroconf.get_zeroconf(), ) self._chromecast = chromecast if CAST_MULTIZONE_MANAGER_KEY not in self.hass.data: self.hass.data[CAST_MULTIZONE_MANAGER_KEY] = MultizoneManager() self.mz_mgr = self.hass.data[CAST_MULTIZONE_MANAGER_KEY] self._status_listener = CastStatusListener(self, chromecast, self.mz_mgr, True) self._chromecast.start() async def _async_disconnect(self): """Disconnect Chromecast object if it is set.""" if self._chromecast is None: # Can't disconnect if not connected. return _LOGGER.debug( "[%s %s] Disconnecting from chromecast socket", "Dynamic group", self._cast_info.friendly_name, ) await self.hass.async_add_executor_job(self._chromecast.disconnect) self._invalidate() def _invalidate(self): """Invalidate some attributes.""" self._chromecast = None self.mz_mgr = None if self._status_listener is not None: self._status_listener.invalidate() self._status_listener = None async def _async_cast_discovered(self, discover: ChromecastInfo): """Handle discovery of new Chromecast.""" if self._cast_info.uuid != discover.uuid: # Discovered is not our device. return _LOGGER.debug("Discovered dynamic group with same UUID: %s", discover) self.async_set_cast_info(discover) async def _async_cast_removed(self, discover: ChromecastInfo): """Handle removal of Chromecast.""" if self._cast_info.uuid != discover.uuid: # Removed is not our device. return if not discover.services: # Clean up the dynamic group _LOGGER.debug("Clean up dynamic group: %s", discover) await self.async_tear_down() async def _async_stop(self, event): """Disconnect socket on Home Assistant stop.""" await self._async_disconnect()