core/homeassistant/components/webostv/media_player.py

409 lines
13 KiB
Python

"""Support for interface with an LG webOS Smart TV."""
import asyncio
from datetime import timedelta
from functools import wraps
import logging
from aiopylgtv import PyLGTVCmdException, PyLGTVPairException
from websockets.exceptions import ConnectionClosed
from homeassistant import util
from homeassistant.components.media_player import MediaPlayerDevice
from homeassistant.components.media_player.const import (
MEDIA_TYPE_CHANNEL,
SUPPORT_NEXT_TRACK,
SUPPORT_PAUSE,
SUPPORT_PLAY,
SUPPORT_PLAY_MEDIA,
SUPPORT_PREVIOUS_TRACK,
SUPPORT_SELECT_SOURCE,
SUPPORT_TURN_OFF,
SUPPORT_TURN_ON,
SUPPORT_VOLUME_MUTE,
SUPPORT_VOLUME_SET,
SUPPORT_VOLUME_STEP,
)
from homeassistant.const import (
CONF_CUSTOMIZE,
CONF_HOST,
CONF_NAME,
STATE_OFF,
STATE_PAUSED,
STATE_PLAYING,
)
from homeassistant.helpers.script import Script
from . import CONF_ON_ACTION, CONF_SOURCES, DOMAIN
_LOGGER = logging.getLogger(__name__)
LIVETV_APP_ID = "com.webos.app.livetv"
SUPPORT_WEBOSTV = (
SUPPORT_TURN_OFF
| SUPPORT_NEXT_TRACK
| SUPPORT_PAUSE
| SUPPORT_PREVIOUS_TRACK
| SUPPORT_VOLUME_MUTE
| SUPPORT_VOLUME_SET
| SUPPORT_VOLUME_STEP
| SUPPORT_SELECT_SOURCE
| SUPPORT_PLAY_MEDIA
| SUPPORT_PLAY
)
MIN_TIME_BETWEEN_SCANS = timedelta(seconds=10)
MIN_TIME_BETWEEN_FORCED_SCANS = timedelta(seconds=1)
async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
"""Set up the LG WebOS TV platform."""
if discovery_info is None:
return
host = discovery_info[CONF_HOST]
name = discovery_info[CONF_NAME]
customize = discovery_info[CONF_CUSTOMIZE]
turn_on_action = discovery_info.get(CONF_ON_ACTION)
client = hass.data[DOMAIN][host]["client"]
on_script = Script(hass, turn_on_action) if turn_on_action else None
entity = LgWebOSMediaPlayerEntity(client, name, customize, on_script)
async_add_entities([entity], update_before_add=False)
def cmd(func):
"""Catch command exceptions."""
@wraps(func)
async def wrapper(obj, *args, **kwargs):
"""Wrap all command methods."""
try:
await func(obj, *args, **kwargs)
except (
asyncio.TimeoutError,
asyncio.CancelledError,
PyLGTVCmdException,
) as exc:
# If TV is off, we expect calls to fail.
if obj.state == STATE_OFF:
level = logging.INFO
else:
level = logging.ERROR
_LOGGER.log(
level,
"Error calling %s on entity %s: %r",
func.__name__,
obj.entity_id,
exc,
)
return wrapper
class LgWebOSMediaPlayerEntity(MediaPlayerDevice):
"""Representation of a LG WebOS TV."""
def __init__(self, client, name, customize, on_script=None):
"""Initialize the webos device."""
self._client = client
self._name = name
self._customize = customize
self._on_script = on_script
# Assume that the TV is not muted
self._muted = False
# Assume that the TV is in Play mode
self._playing = True
self._volume = 0
self._current_source = None
self._current_source_id = None
self._state = None
self._source_list = {}
self._app_list = {}
self._input_list = {}
self._channel = None
self._last_icon = None
async def async_added_to_hass(self):
"""Connect and subscribe to state updates."""
await self._client.register_state_update_callback(
self.async_handle_state_update
)
# force state update if needed
if self._state is None:
await self.async_handle_state_update()
async def async_will_remove_from_hass(self):
"""Call disconnect on removal."""
self._client.unregister_state_update_callback(self.async_handle_state_update)
async def async_handle_state_update(self):
"""Update state from WebOsClient."""
self._current_source_id = self._client.current_appId
self._muted = self._client.muted
self._volume = self._client.volume
self._channel = self._client.current_channel
self._app_list = self._client.apps
self._input_list = self._client.inputs
if self._current_source_id == "":
self._state = STATE_OFF
else:
self._state = STATE_PLAYING
self.update_sources()
self.async_schedule_update_ha_state(False)
def update_sources(self):
"""Update list of sources from current source, apps, inputs and configured list."""
self._source_list = {}
conf_sources = self._customize[CONF_SOURCES]
for app in self._app_list.values():
if app["id"] == self._current_source_id:
self._current_source = app["title"]
self._source_list[app["title"]] = app
elif (
not conf_sources
or app["id"] in conf_sources
or any(word in app["title"] for word in conf_sources)
or any(word in app["id"] for word in conf_sources)
):
self._source_list[app["title"]] = app
for source in self._input_list.values():
if source["appId"] == self._current_source_id:
self._current_source = source["label"]
self._source_list[source["label"]] = source
elif (
not conf_sources
or source["label"] in conf_sources
or any(source["label"].find(word) != -1 for word in conf_sources)
):
self._source_list[source["label"]] = source
@util.Throttle(MIN_TIME_BETWEEN_SCANS, MIN_TIME_BETWEEN_FORCED_SCANS)
async def async_update(self):
"""Connect."""
if not self._client.is_connected():
try:
await self._client.connect()
except (
OSError,
ConnectionClosed,
ConnectionRefusedError,
asyncio.TimeoutError,
asyncio.CancelledError,
PyLGTVPairException,
PyLGTVCmdException,
):
pass
@property
def name(self):
"""Return the name of the device."""
return self._name
@property
def state(self):
"""Return the state of the device."""
return self._state
@property
def is_volume_muted(self):
"""Boolean if volume is currently muted."""
return self._muted
@property
def volume_level(self):
"""Volume level of the media player (0..1)."""
return self._volume / 100.0
@property
def source(self):
"""Return the current input source."""
return self._current_source
@property
def source_list(self):
"""List of available input sources."""
return sorted(self._source_list.keys())
@property
def media_content_type(self):
"""Content type of current playing media."""
return MEDIA_TYPE_CHANNEL
@property
def media_title(self):
"""Title of current playing media."""
if (self._channel is not None) and ("channelName" in self._channel):
return self._channel["channelName"]
return None
@property
def media_image_url(self):
"""Image url of current playing media."""
if self._current_source_id in self._app_list:
icon = self._app_list[self._current_source_id]["largeIcon"]
if not icon.startswith("http"):
icon = self._app_list[self._current_source_id]["icon"]
# 'icon' holds a URL with a transient key. Avoid unnecessary
# updates by returning the same URL until the image changes.
if self._last_icon and (
icon.split("/")[-1] == self._last_icon.split("/")[-1]
):
return self._last_icon
self._last_icon = icon
return icon
return None
@property
def supported_features(self):
"""Flag media player features that are supported."""
if self._on_script:
return SUPPORT_WEBOSTV | SUPPORT_TURN_ON
return SUPPORT_WEBOSTV
@cmd
async def async_turn_off(self):
"""Turn off media player."""
await self._client.power_off()
async def async_turn_on(self):
"""Turn on the media player."""
connected = self._client.is_connected()
if self._on_script:
await self._on_script.async_run()
# if connection was already active
# ensure is still alive
if connected:
await self._client.get_current_app()
@cmd
async def async_volume_up(self):
"""Volume up the media player."""
await self._client.volume_up()
@cmd
async def async_volume_down(self):
"""Volume down media player."""
await self._client.volume_down()
@cmd
async def async_set_volume_level(self, volume):
"""Set volume level, range 0..1."""
tv_volume = volume * 100
await self._client.set_volume(tv_volume)
@cmd
async def async_mute_volume(self, mute):
"""Send mute command."""
self._muted = mute
await self._client.set_mute(mute)
@cmd
async def async_media_play_pause(self):
"""Simulate play pause media player."""
if self._playing:
await self.media_pause()
else:
await self.media_play()
@cmd
async def async_select_source(self, source):
"""Select input source."""
source_dict = self._source_list.get(source)
if source_dict is None:
_LOGGER.warning("Source %s not found for %s", source, self.name)
return
self._current_source_id = source_dict["id"]
if source_dict.get("title"):
self._current_source = source_dict["title"]
await self._client.launch_app(source_dict["id"])
elif source_dict.get("label"):
self._current_source = source_dict["label"]
await self._client.set_input(source_dict["id"])
@cmd
async def async_play_media(self, media_type, media_id, **kwargs):
"""Play a piece of media."""
_LOGGER.debug("Call play media type <%s>, Id <%s>", media_type, media_id)
if media_type == MEDIA_TYPE_CHANNEL:
_LOGGER.debug("Searching channel...")
partial_match_channel_id = None
perfect_match_channel_id = None
for channel in self._client.get_channels():
if media_id == channel["channelNumber"]:
perfect_match_channel_id = channel["channelId"]
continue
if media_id.lower() == channel["channelName"].lower():
perfect_match_channel_id = channel["channelId"]
continue
if media_id.lower() in channel["channelName"].lower():
partial_match_channel_id = channel["channelId"]
if perfect_match_channel_id is not None:
_LOGGER.info(
"Switching to channel <%s> with perfect match",
perfect_match_channel_id,
)
await self._client.set_channel(perfect_match_channel_id)
elif partial_match_channel_id is not None:
_LOGGER.info(
"Switching to channel <%s> with partial match",
partial_match_channel_id,
)
await self._client.set_channel(partial_match_channel_id)
@cmd
async def async_media_play(self):
"""Send play command."""
self._playing = True
self._state = STATE_PLAYING
await self._client.play()
@cmd
async def async_media_pause(self):
"""Send media pause command to media player."""
self._playing = False
self._state = STATE_PAUSED
await self._client.pause()
@cmd
async def async_media_stop(self):
"""Send stop command to media player."""
await self._client.stop()
@cmd
async def async_media_next_track(self):
"""Send next track command."""
current_input = self._client.get_input()
if current_input == LIVETV_APP_ID:
await self._client.channel_up()
else:
await self._client.fast_forward()
@cmd
async def async_media_previous_track(self):
"""Send the previous track command."""
current_input = self._client.get_input()
if current_input == LIVETV_APP_ID:
await self._client.channel_down()
else:
await self._client.rewind()