core/homeassistant/components/zha/device_tracker.py

113 lines
3.6 KiB
Python

"""Support for the ZHA platform."""
import logging
import time
from homeassistant.components.device_tracker import DOMAIN, SOURCE_TYPE_ROUTER
from homeassistant.components.device_tracker.config_entry import ScannerEntity
from homeassistant.core import callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from .core.const import (
CHANNEL_POWER_CONFIGURATION,
DATA_ZHA,
DATA_ZHA_DISPATCHERS,
SIGNAL_ATTR_UPDATED,
ZHA_DISCOVERY_NEW,
)
from .entity import ZhaEntity
from .sensor import battery_percentage_remaining_formatter
_LOGGER = logging.getLogger(__name__)
async def async_setup_entry(hass, config_entry, async_add_entities):
"""Set up the Zigbee Home Automation device tracker from config entry."""
async def async_discover(discovery_info):
await _async_setup_entities(
hass, config_entry, async_add_entities, [discovery_info]
)
unsub = async_dispatcher_connect(
hass, ZHA_DISCOVERY_NEW.format(DOMAIN), async_discover
)
hass.data[DATA_ZHA][DATA_ZHA_DISPATCHERS].append(unsub)
device_trackers = hass.data.get(DATA_ZHA, {}).get(DOMAIN)
if device_trackers is not None:
await _async_setup_entities(
hass, config_entry, async_add_entities, device_trackers.values()
)
del hass.data[DATA_ZHA][DOMAIN]
async def _async_setup_entities(
hass, config_entry, async_add_entities, discovery_infos
):
"""Set up the ZHA device trackers."""
entities = []
for discovery_info in discovery_infos:
entities.append(ZHADeviceScannerEntity(**discovery_info))
async_add_entities(entities, update_before_add=True)
class ZHADeviceScannerEntity(ScannerEntity, ZhaEntity):
"""Represent a tracked device."""
def __init__(self, **kwargs):
"""Initialize the ZHA device tracker."""
super().__init__(**kwargs)
self._battery_channel = self.cluster_channels.get(CHANNEL_POWER_CONFIGURATION)
self._connected = False
self._keepalive_interval = 60
self._should_poll = True
self._battery_level = None
async def async_added_to_hass(self):
"""Run when about to be added to hass."""
await super().async_added_to_hass()
if self._battery_channel:
await self.async_accept_signal(
self._battery_channel,
SIGNAL_ATTR_UPDATED,
self.async_battery_percentage_remaining_updated,
)
async def async_update(self):
"""Handle polling."""
if self.zha_device.last_seen is None:
self._connected = False
else:
difference = time.time() - self.zha_device.last_seen
if difference > self._keepalive_interval:
self._connected = False
else:
self._connected = True
@property
def is_connected(self):
"""Return true if the device is connected to the network."""
return self._connected
@property
def source_type(self):
"""Return the source type, eg gps or router, of the device."""
return SOURCE_TYPE_ROUTER
@callback
def async_battery_percentage_remaining_updated(self, value):
"""Handle tracking."""
self.debug("battery_percentage_remaining updated: %s", value)
self._connected = True
self._battery_level = battery_percentage_remaining_formatter(value)
self.async_schedule_update_ha_state()
@property
def battery_level(self):
"""Return the battery level of the device.
Percentage from 0-100.
"""
return self._battery_level