/usr/share/sugar/extensions/deviceicon/battery.py is in sugar-session-0.90 0.90.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | # 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
from gettext import gettext as _
import gconf
import gobject
import gtk
import dbus
from sugar.graphics import style
from sugar.graphics.icon import get_icon_state
from sugar.graphics.tray import TrayIcon
from sugar.graphics.palette import Palette
from sugar.graphics.xocolor import XoColor
from jarabe.frame.frameinvoker import FrameWidgetInvoker
_ICON_NAME = 'battery'
_STATUS_CHARGING = 0
_STATUS_DISCHARGING = 1
_STATUS_FULLY_CHARGED = 2
_STATUS_NOT_PRESENT = 3
_LEVEL_PROP = 'battery.charge_level.percentage'
_CHARGING_PROP = 'battery.rechargeable.is_charging'
_DISCHARGING_PROP = 'battery.rechargeable.is_discharging'
_PRESENT_PROP = 'battery.present'
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 102
def __init__(self, udi):
client = gconf.client_get_default()
self._color = XoColor(client.get_string('/desktop/sugar/user/color'))
TrayIcon.__init__(self, icon_name=_ICON_NAME, xo_color=self._color)
self.set_palette_invoker(FrameWidgetInvoker(self))
self._model = DeviceModel(udi)
self.palette = BatteryPalette(_('My Battery'))
self.palette.set_group_id('frame')
self._model.connect('notify::level',
self._battery_status_changed_cb)
self._model.connect('notify::charging',
self._battery_status_changed_cb)
self._model.connect('notify::discharging',
self._battery_status_changed_cb)
self._model.connect('notify::present',
self._battery_status_changed_cb)
self._update_info()
def _update_info(self):
name = _ICON_NAME
current_level = self._model.props.level
xo_color = self._color
badge_name = None
if not self._model.props.present:
status = _STATUS_NOT_PRESENT
badge_name = None
xo_color = XoColor('%s,%s' % (style.COLOR_WHITE.get_svg(),
style.COLOR_WHITE.get_svg()))
elif self._model.props.charging:
status = _STATUS_CHARGING
name += '-charging'
xo_color = XoColor('%s,%s' % (style.COLOR_WHITE.get_svg(),
style.COLOR_WHITE.get_svg()))
elif self._model.props.discharging:
status = _STATUS_DISCHARGING
if current_level <= 15:
badge_name = 'emblem-warning'
else:
status = _STATUS_FULLY_CHARGED
self.icon.props.icon_name = get_icon_state(name, current_level, step=-5)
self.icon.props.xo_color = xo_color
self.icon.props.badge_name = badge_name
self.palette.set_level(current_level)
self.palette.set_status(status)
def _battery_status_changed_cb(self, pspec, param):
self._update_info()
class BatteryPalette(Palette):
def __init__(self, primary_text):
Palette.__init__(self, primary_text)
self._level = 0
self._progress_bar = gtk.ProgressBar()
self._progress_bar.set_size_request(
style.zoom(style.GRID_CELL_SIZE * 4), -1)
self._progress_bar.show()
self._status_label = gtk.Label()
self._status_label.show()
vbox = gtk.VBox()
vbox.pack_start(self._progress_bar)
vbox.pack_start(self._status_label)
vbox.show()
self._progress_widget = vbox
self.set_content(self._progress_widget)
def set_level(self, percent):
self._level = percent
fraction = percent / 100.0
self._progress_bar.set_fraction(fraction)
def set_status(self, status):
current_level = self._level
secondary_text = ''
status_text = '%s%%' % current_level
progress_widget = self._progress_widget
if status == _STATUS_NOT_PRESENT:
secondary_text = _('Removed')
progress_widget = None
elif status == _STATUS_CHARGING:
secondary_text = _('Charging')
elif status == _STATUS_DISCHARGING:
if current_level <= 15:
secondary_text = _('Very little power remaining')
else:
#TODO: make this less of an wild/educated guess
minutes_remaining = int(current_level / 0.59)
remaining_hourpart = minutes_remaining / 60
remaining_minpart = minutes_remaining % 60
secondary_text = _('%(hour)d:%(min).2d remaining') % \
{'hour': remaining_hourpart, 'min': remaining_minpart}
else:
secondary_text = _('Charged')
self.set_content(progress_widget)
self.props.secondary_text = secondary_text
self._status_label.set_text(status_text)
class DeviceModel(gobject.GObject):
__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),
'present' : (bool, None, None, False,
gobject.PARAM_READABLE)
}
def __init__(self, udi):
gobject.GObject.__init__(self)
bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
proxy = bus.get_object('org.freedesktop.Hal', udi,
follow_name_owner_changes=True)
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()
self._present = self._get_present()
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 _get_present(self):
try:
return self._battery.GetProperty(_PRESENT_PROP)
except dbus.DBusException:
logging.error('Cannot access %s', _PRESENT_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
if pspec.name == 'present':
return self._present
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')
elif change[0] == _PRESENT_PROP:
self._present = self._get_present()
self.notify('present')
def setup(tray):
bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
proxy = bus.get_object('org.freedesktop.Hal',
'/org/freedesktop/Hal/Manager')
hal_manager = dbus.Interface(proxy, 'org.freedesktop.Hal.Manager')
for udi in hal_manager.FindDeviceByCapability('battery'):
tray.add_device(DeviceView(udi))
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