You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
97 lines
3.4 KiB
Python
97 lines
3.4 KiB
Python
# Copyright (C) 2006-2007, Red Hat, Inc.
|
|
#
|
|
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
import logging
|
|
|
|
import gobject
|
|
import dbus
|
|
|
|
from model.devices import device
|
|
|
|
_LEVEL_PROP = 'battery.charge_level.percentage'
|
|
_CHARGING_PROP = 'battery.rechargeable.is_charging'
|
|
_DISCHARGING_PROP = 'battery.rechargeable.is_discharging'
|
|
|
|
class Device(device.Device):
|
|
__gproperties__ = {
|
|
'level' : (int, None, None, 0, 100, 0,
|
|
gobject.PARAM_READABLE),
|
|
'charging' : (bool, None, None, False,
|
|
gobject.PARAM_READABLE),
|
|
'discharging' : (bool, None, None, False,
|
|
gobject.PARAM_READABLE)
|
|
}
|
|
|
|
def __init__(self, udi):
|
|
device.Device.__init__(self, udi)
|
|
|
|
bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
|
|
proxy = bus.get_object('org.freedesktop.Hal', udi)
|
|
self._battery = dbus.Interface(proxy, 'org.freedesktop.Hal.Device')
|
|
bus.add_signal_receiver(self._battery_changed,
|
|
'PropertyModified',
|
|
'org.freedesktop.Hal.Device',
|
|
'org.freedesktop.Hal',
|
|
udi)
|
|
|
|
self._level = self._get_level()
|
|
self._charging = self._get_charging()
|
|
self._discharging = self._get_discharging()
|
|
|
|
def _get_level(self):
|
|
try:
|
|
return self._battery.GetProperty(_LEVEL_PROP)
|
|
except dbus.DBusException:
|
|
logging.error('Cannot access %s' % _LEVEL_PROP)
|
|
return 0
|
|
|
|
def _get_charging(self):
|
|
try:
|
|
return self._battery.GetProperty(_CHARGING_PROP)
|
|
except dbus.DBusException:
|
|
logging.error('Cannot access %s' % _CHARGING_PROP)
|
|
return False
|
|
|
|
def _get_discharging(self):
|
|
try:
|
|
return self._battery.GetProperty(_DISCHARGING_PROP)
|
|
except dbus.DBusException:
|
|
logging.error('Cannot access %s' % _DISCHARGING_PROP)
|
|
return False
|
|
|
|
def do_get_property(self, pspec):
|
|
if pspec.name == 'level':
|
|
return self._level
|
|
if pspec.name == 'charging':
|
|
return self._charging
|
|
if pspec.name == 'discharging':
|
|
return self._discharging
|
|
|
|
def get_type(self):
|
|
return 'battery'
|
|
|
|
def _battery_changed(self, num_changes, changes_list):
|
|
for change in changes_list:
|
|
if change[0] == _LEVEL_PROP:
|
|
self._level = self._get_level()
|
|
self.notify('level')
|
|
elif change[0] == _CHARGING_PROP:
|
|
self._charging = self._get_charging()
|
|
self.notify('charging')
|
|
elif change[0] == _DISCHARGING_PROP:
|
|
self._discharging = self._get_discharging()
|
|
self.notify('discharging')
|