56 lines
2.0 KiB
Python
56 lines
2.0 KiB
Python
# Copyright (C) 2006-2007, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gobject
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import dbus
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from model.devices import device
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_LEVEL_PROP = 'battery.charge_level.percentage'
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class Device(device.Device):
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__gproperties__ = {
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'level' : (int, None, None, 0, 100, 0,
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gobject.PARAM_READABLE)
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}
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def __init__(self, udi):
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device.Device.__init__(self, udi)
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bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
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proxy = bus.get_object('org.freedesktop.Hal', udi)
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self._battery = dbus.Interface(proxy, 'org.freedesktop.Hal.Device')
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bus.add_signal_receiver(self._battery_changed,
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'PropertyModified',
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'org.freedesktop.Hal.Device',
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'org.freedesktop.Hal',
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udi)
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self._level = self._battery.GetProperty(_LEVEL_PROP)
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def do_get_property(self, pspec):
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if pspec.name == 'level':
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return self._level
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def get_type(self):
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return 'battery'
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def _battery_changed(self, num_changes, changes_list):
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for change in changes_list:
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if change[0] == 'battery.charge_level.percentage':
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self._level = self._battery.GetProperty(_LEVEL_PROP)
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self.notify('level')
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