Solaar/lib/logitech_receiver/status.py

261 lines
9.7 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.
import logging
from . import hidpp10 as _hidpp10
from . import hidpp10_constants as _hidpp10_constants
from . import hidpp20_constants as _hidpp20_constants
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
logger = logging.getLogger(__name__)
_R = _hidpp10_constants.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
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.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 to_string(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 __str__(self):
self.to_string()
def changed(self, alert=ALERT.NOTIFICATION, reason=None):
self._changed_callback(self._receiver, alert=alert, reason=reason)
#
#
#
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
self._active = None # is the device active?
def to_string(self):
status = ""
battery_level = self.get(KEYS.BATTERY_LEVEL)
if battery_level is not None:
if isinstance(battery_level, _NamedInt):
status = _("Battery: %(level)s") % {"level": _(str(battery_level))}
else:
status = _("Battery: %(percent)d%%") % {"percent": battery_level}
battery_status = self.get(KEYS.BATTERY_STATUS)
if battery_status is not None:
status += " (%s)" % _(str(battery_status))
return status
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):
if logger.isEnabledFor(logging.DEBUG):
logger.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_constants.BATTERY_STATUS.full:
level = _BATTERY_APPROX.full
elif status in (_hidpp20_constants.BATTERY_STATUS.almost_full, _hidpp20_constants.BATTERY_STATUS.recharging):
level = _BATTERY_APPROX.good
elif status == _hidpp20_constants.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_constants.BATTERY_STATUS.recharging,
_hidpp20_constants.BATTERY_STATUS.almost_full,
_hidpp20_constants.BATTERY_STATUS.full,
_hidpp20_constants.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_constants.BATTERY_OK(status) and (level is None or level > _BATTERY_ATTENTION_LEVEL):
self[KEYS.ERROR] = None
else:
logger.warning("%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)
# Retrieve and regularize battery status
def read_battery(self):
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):
assert self._changed_callback
d = self._device
# assert d # may be invalid when processing the 'unpaired' notification
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()
# 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_constants.FEATURE.WIRELESS_DEVICE_STATUS not in d.features)
):
if logger.isEnabledFor(logging.INFO):
logger.info("%s pushing device settings %s", d, d.settings)
_settings.apply_all_settings(d)
else:
if was_active: # don't clear status when devices go inactive
pass
# if logger.isEnabledFor(logging.DEBUG):
# logger.debug("device %d changed: active=%s %s", d.number, self._active, dict(self))
self._changed_callback(d, alert, reason)