Solaar/lib/logitech_receiver/status.py

354 lines
13 KiB
Python

# -*- python-mode -*-
## Copyright (C) 2012-2013 Daniel Pavel
##
## This program is free software; you can redistribute it and/or modify
## it under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2 of the License, or
## (at your option) any later version.
##
## This program is distributed in the hope that it will be useful,
## but WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
## GNU General Public License for more details.
##
## You should have received a copy of the GNU General Public License along
## with this program; if not, write to the Free Software Foundation, Inc.,
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
from logging import DEBUG as _DEBUG
from logging import INFO as _INFO
from logging import getLogger
from time import time as _timestamp
from . import hidpp10 as _hidpp10
from . import hidpp20 as _hidpp20
from . import settings as _settings
from .common import BATTERY_APPROX as _BATTERY_APPROX
from .common import NamedInt as _NamedInt
from .common import NamedInts as _NamedInts
from .i18n import _, ngettext
_log = getLogger(__name__)
del getLogger
_R = _hidpp10.REGISTERS
#
#
#
ALERT = _NamedInts(NONE=0x00, NOTIFICATION=0x01, SHOW_WINDOW=0x02, ATTENTION=0x04, ALL=0xFF)
KEYS = _NamedInts(
BATTERY_LEVEL=1,
BATTERY_CHARGING=2,
BATTERY_STATUS=3,
LIGHT_LEVEL=4,
LINK_ENCRYPTED=5,
NOTIFICATION_FLAGS=6,
ERROR=7,
BATTERY_NEXT_LEVEL=8,
BATTERY_VOLTAGE=9,
)
# If the battery charge is under this percentage, trigger an attention event
# (blink systray icon/notification/whatever).
_BATTERY_ATTENTION_LEVEL = 5
# If no updates have been receiver from the device for a while, ping the device
# and update it status accordingly.
# _STATUS_TIMEOUT = 5 * 60 # seconds
_LONG_SLEEP = 15 * 60 # seconds
#
#
#
def attach_to(device, changed_callback):
assert device
assert changed_callback
if not hasattr(device, 'status') or device.status is None:
if not device.isDevice:
device.status = ReceiverStatus(device, changed_callback)
else:
device.status = DeviceStatus(device, changed_callback)
#
#
#
class ReceiverStatus(dict):
"""The 'runtime' status of a receiver, mostly about the pairing process --
is the pairing lock open or closed, any pairing errors, etc.
"""
def __init__(self, receiver, changed_callback):
assert receiver
self._receiver = receiver
assert changed_callback
self._changed_callback = changed_callback
# self.updated = 0
self.lock_open = False
self.discovering = False
self.counter = None
self.device_address = None
self.device_authentication = None
self.device_kind = None
self.device_name = None
self.device_passkey = None
self.new_device = None
self[KEYS.ERROR] = None
def __str__(self):
count = len(self._receiver)
return (
_('No paired devices.')
if count == 0 else ngettext('%(count)s paired device.', '%(count)s paired devices.', count) % {
'count': count
}
)
def changed(self, alert=ALERT.NOTIFICATION, reason=None):
# self.updated = _timestamp()
self._changed_callback(self._receiver, alert=alert, reason=reason)
# def poll(self, timestamp):
# r = self._receiver
# assert r
#
# if _log.isEnabledFor(_DEBUG):
# _log.debug("polling status of %s", r)
#
# # make sure to read some stuff that may be read later by the UI
# r.serial, r.firmware, None
#
# # get an update of the notification flags
# # self[KEYS.NOTIFICATION_FLAGS] = _hidpp10.get_notification_flags(r)
#
#
#
class DeviceStatus(dict):
"""Holds the 'runtime' status of a peripheral -- things like
active/inactive, battery charge, lux, etc. It updates them mostly by
processing incoming notification events from the device itself.
"""
def __init__(self, device, changed_callback):
assert device
self._device = device
assert changed_callback
self._changed_callback = changed_callback
# is the device active?
self._active = None
# timestamp of when this status object was last updated
self.updated = 0
def to_string(self):
def _items():
comma = False
battery_level = self.get(KEYS.BATTERY_LEVEL)
if battery_level is not None:
if isinstance(battery_level, _NamedInt):
yield _('Battery: %(level)s') % {'level': _(str(battery_level))}
else:
yield _('Battery: %(percent)d%%') % {'percent': battery_level}
battery_status = self.get(KEYS.BATTERY_STATUS)
if battery_status is not None:
yield ' (%s)' % _(str(battery_status))
comma = True
light_level = self.get(KEYS.LIGHT_LEVEL)
if light_level is not None:
if comma:
yield ', '
yield _('Lighting: %(level)s lux') % {'level': light_level}
return ''.join(i for i in _items())
def __repr__(self):
return '{' + ', '.join('\'%s\': %r' % (k, v) for k, v in self.items()) + '}'
def __bool__(self):
return bool(self._active)
__nonzero__ = __bool__
def set_battery_info(self, level, nextLevel, status, voltage, timestamp=None):
if _log.isEnabledFor(_DEBUG):
_log.debug('%s: battery %s, %s', self._device, level, status)
if level is None:
# Some notifications may come with no battery level info, just
# charging state info, so do our best to infer a level (even if it is just the last level)
# It is not always possible to do this well
if status == _hidpp20.BATTERY_STATUS.full:
level = _BATTERY_APPROX.full
elif status in (_hidpp20.BATTERY_STATUS.almost_full, _hidpp20.BATTERY_STATUS.recharging):
level = _BATTERY_APPROX.good
elif status == _hidpp20.BATTERY_STATUS.slow_recharge:
level = _BATTERY_APPROX.low
else:
level = self.get(KEYS.BATTERY_LEVEL)
else:
assert isinstance(level, int)
# TODO: this is also executed when pressing Fn+F7 on K800.
old_level, self[KEYS.BATTERY_LEVEL] = self.get(KEYS.BATTERY_LEVEL), level
old_status, self[KEYS.BATTERY_STATUS] = self.get(KEYS.BATTERY_STATUS), status
self[KEYS.BATTERY_NEXT_LEVEL] = nextLevel
old_voltage, self[KEYS.BATTERY_VOLTAGE] = self.get(KEYS.BATTERY_VOLTAGE), voltage
charging = status in (
_hidpp20.BATTERY_STATUS.recharging, _hidpp20.BATTERY_STATUS.almost_full, _hidpp20.BATTERY_STATUS.full,
_hidpp20.BATTERY_STATUS.slow_recharge
)
old_charging, self[KEYS.BATTERY_CHARGING] = self.get(KEYS.BATTERY_CHARGING), charging
changed = old_level != level or old_status != status or old_charging != charging or old_voltage != voltage
alert, reason = ALERT.NONE, None
if _hidpp20.BATTERY_OK(status) and (level is None or level > _BATTERY_ATTENTION_LEVEL):
self[KEYS.ERROR] = None
else:
_log.warn('%s: battery %d%%, ALERT %s', self._device, level, status)
if self.get(KEYS.ERROR) != status:
self[KEYS.ERROR] = status
# only show the notification once
alert = ALERT.NOTIFICATION | ALERT.ATTENTION
if isinstance(level, _NamedInt):
reason = _('Battery: %(level)s (%(status)s)') % {'level': _(level), 'status': _(status)}
else:
reason = _('Battery: %(percent)d%% (%(status)s)') % {'percent': level, 'status': status.name}
if changed or reason or not self._active: # a battery response means device is active
# update the leds on the device, if any
_hidpp10.set_3leds(self._device, level, charging=charging, warning=bool(alert))
self.changed(active=True, alert=alert, reason=reason, timestamp=timestamp)
# Retrieve and regularize battery status
def read_battery(self, timestamp=None):
if self._active:
assert self._device
battery = self._device.battery()
self.set_battery_keys(battery)
def set_battery_keys(self, battery):
if battery is not None:
level, nextLevel, status, voltage = battery
self.set_battery_info(level, nextLevel, status, voltage)
elif self.get(KEYS.BATTERY_STATUS, None) is not None:
self[KEYS.BATTERY_STATUS] = None
self[KEYS.BATTERY_CHARGING] = None
self[KEYS.BATTERY_VOLTAGE] = None
self.changed()
def changed(self, active=None, alert=ALERT.NONE, reason=None, push=False, timestamp=None):
assert self._changed_callback
d = self._device
# assert d # may be invalid when processing the 'unpaired' notification
timestamp = timestamp or _timestamp()
if active is not None:
d.online = active
was_active, self._active = self._active, active
if active:
if not was_active:
# Make sure to set notification flags on the device, they
# get cleared when the device is turned off (but not when the device
# goes idle, and we can't tell the difference right now).
if d.protocol < 2.0:
self[KEYS.NOTIFICATION_FLAGS] = d.enable_connection_notifications()
# battery information may have changed so try to read it now
self.read_battery(timestamp)
# Push settings for new devices (was_active is None),
# when devices request software reconfiguration
# and when devices become active if they don't have wireless device status feature,
if was_active is None or push or not was_active and (
not d.features or _hidpp20.FEATURE.WIRELESS_DEVICE_STATUS not in d.features
):
if _log.isEnabledFor(_INFO):
_log.info('%s pushing device settings %s', d, d.settings)
_settings.apply_all_settings(d)
else:
if was_active:
battery = self.get(KEYS.BATTERY_LEVEL)
self.clear()
# If we had a known battery level before, assume it's not going
# to change much while the device is offline.
if battery is not None:
self[KEYS.BATTERY_LEVEL] = battery
# A device that is not active on the first status notification
# but becomes active afterwards does not produce a pop-up notification
# so don't produce one here. This cuts off pop-ups when Solaar starts,
# which can be problematic if Solaar is autostarted.
## if self.updated == 0 and active is True:
## if the device is active on the very first status notification,
## (meaning just when the program started or a new receiver was just
## detected), pop up a notification about it
## alert |= ALERT.NOTIFICATION
self.updated = timestamp
# if _log.isEnabledFor(_DEBUG):
# _log.debug("device %d changed: active=%s %s", d.number, self._active, dict(self))
self._changed_callback(d, alert, reason)
# def poll(self, timestamp):
# d = self._device
# if not d:
# _log.error("polling status of invalid device")
# return
#
# if self._active:
# if _log.isEnabledFor(_DEBUG):
# _log.debug("polling status of %s", d)
#
# # read these from the device, the UI may need them later
# d.protocol, d.serial, d.firmware, d.kind, d.name, d.settings, None
#
# # make sure we know all the features of the device
# # if d.features:
# # d.features[:]
#
# # devices may go out-of-range while still active, or the computer
# # may go to sleep and wake up without the devices available
# if timestamp - self.updated > _STATUS_TIMEOUT:
# if d.ping():
# timestamp = self.updated = _timestamp()
# else:
# self.changed(active=False, reason='out of range')
#
# # if still active, make sure we know the battery level
# if KEYS.BATTERY_LEVEL not in self:
# self.read_battery(timestamp)
#
# elif timestamp - self.updated > _STATUS_TIMEOUT:
# if d.ping():
# self.changed(active=True)
# else:
# self.updated = _timestamp()