core/homeassistant/components/cover/demo.py

171 lines
5.0 KiB
Python

"""
Demo platform for the cover component.
For more details about this platform, please refer to the documentation
https://home-assistant.io/components/demo/
"""
from homeassistant.components.cover import CoverDevice
from homeassistant.helpers.event import track_utc_time_change
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup the Demo covers."""
add_devices([
DemoCover(hass, 'Kitchen Window'),
DemoCover(hass, 'Hall Window', 10),
DemoCover(hass, 'Living Room Window', 70, 50),
])
class DemoCover(CoverDevice):
"""Representation of a demo cover."""
# pylint: disable=no-self-use, too-many-instance-attributes
def __init__(self, hass, name, position=None, tilt_position=None):
"""Initialize the cover."""
self.hass = hass
self._name = name
self._position = position
self._set_position = None
self._set_tilt_position = None
self._tilt_position = tilt_position
self._closing = True
self._closing_tilt = True
self._unsub_listener_cover = None
self._unsub_listener_cover_tilt = None
@property
def name(self):
"""Return the name of the cover."""
return self._name
@property
def should_poll(self):
"""No polling needed for a demo cover."""
return False
@property
def current_cover_position(self):
"""Return the current position of the cover."""
return self._position
@property
def current_cover_tilt_position(self):
"""Return the current tilt position of the cover."""
return self._tilt_position
@property
def is_closed(self):
"""Return if the cover is closed."""
if self._position is not None:
if self.current_cover_position > 0:
return False
else:
return True
else:
return None
def close_cover(self, **kwargs):
"""Close the cover."""
if self._position in (0, None):
return
self._listen_cover()
self._closing = True
def close_cover_tilt(self, **kwargs):
"""Close the cover tilt."""
if self._tilt_position in (0, None):
return
self._listen_cover_tilt()
self._closing_tilt = True
def open_cover(self, **kwargs):
"""Open the cover."""
if self._position in (100, None):
return
self._listen_cover()
self._closing = False
def open_cover_tilt(self, **kwargs):
"""Open the cover tilt."""
if self._tilt_position in (100, None):
return
self._listen_cover_tilt()
self._closing_tilt = False
def set_cover_position(self, position, **kwargs):
"""Move the cover to a specific position."""
self._set_position = round(position, -1)
if self._position == position:
return
self._listen_cover()
self._closing = position < self._position
def set_cover_tilt_position(self, tilt_position, **kwargs):
"""Move the cover til to a specific position."""
self._set_tilt_position = round(tilt_position, -1)
if self._tilt_position == tilt_position:
return
self._listen_cover_tilt()
self._closing_tilt = tilt_position < self._tilt_position
def stop_cover(self, **kwargs):
"""Stop the cover."""
if self._position is None:
return
if self._unsub_listener_cover is not None:
self._unsub_listener_cover()
self._unsub_listener_cover = None
self._set_position = None
def stop_cover_tilt(self, **kwargs):
"""Stop the cover tilt."""
if self._tilt_position is None:
return
if self._unsub_listener_cover_tilt is not None:
self._unsub_listener_cover_tilt()
self._unsub_listener_cover_tilt = None
self._set_tilt_position = None
def _listen_cover(self):
"""Listen for changes in cover."""
if self._unsub_listener_cover is None:
self._unsub_listener_cover = track_utc_time_change(
self.hass, self._time_changed_cover)
def _time_changed_cover(self, now):
"""Track time changes."""
if self._closing:
self._position -= 10
else:
self._position += 10
if self._position in (100, 0, self._set_position):
self.stop_cover()
self.update_ha_state()
def _listen_cover_tilt(self):
"""Listen for changes in cover tilt."""
if self._unsub_listener_cover_tilt is None:
self._unsub_listener_cover_tilt = track_utc_time_change(
self.hass, self._time_changed_cover_tilt)
def _time_changed_cover_tilt(self, now):
"""Track time changes."""
if self._closing_tilt:
self._tilt_position -= 10
else:
self._tilt_position += 10
if self._tilt_position in (100, 0, self._set_tilt_position):
self.stop_cover_tilt()
self.update_ha_state()