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# 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 gobject
from model.devices import device
class Device(device.Device):
__gproperties__ = {
'level' : (int, None, None, 0, 100, 0,
gobject.PARAM_READABLE)
}
def __init__(self):
device.Device.__init__(self)
self._level = 0
self._timeout_id = gobject.timeout_add(2000, self._check_battery_level)
def do_get_property(self, pspec):
if pspec.name == 'level':
return self._level
def get_type(self):
return 'battery'
def _check_battery_level(self):
new_level = self._get_battery_level()
if new_level != self._level:
self._level = new_level
self.notify('level')
return True
def _get_battery_level(self):
battery_class_path = '/sys/class/battery/psu_0/'
capacity_path = battery_class_path + 'capacity_percentage'
try:
f = open(capacity_path, 'r')
val = f.read().split('\n')
level = int(val[0])
f.close()
except:
level = 0
return level
def __del__(self):
gobject.source_remove(self._timeout_id)
self._timeout_id = 0
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