/usr/share/sugar/extensions/deviceicon/battery.py is in sugar-session-0.98 0.98.8-1.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 | # 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 _
from gi.repository import GConf
from gi.repository import GLib
from gi.repository import GObject
from gi.repository import Gtk
import dbus
from sugar3.graphics import style
from sugar3.graphics.icon import get_icon_state
from sugar3.graphics.tray import TrayIcon
from sugar3.graphics.palette import Palette
from sugar3.graphics.palettemenu import PaletteMenuBox
from sugar3.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
_UP_DEVICE_IFACE = 'org.freedesktop.UPower.Device'
_UP_TYPE_BATTERY = 2
_UP_STATE_UNKNOWN = 0
_UP_STATE_CHARGING = 1
_UP_STATE_DISCHARGING = 2
_UP_STATE_EMPTY = 3
_UP_STATE_FULL = 4
_UP_STATE_CHARGE_PENDING = 5
_UP_STATE_DISCHARGE_PENDING = 6
_WARN_MIN_PERCENTAGE = 15
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 102
def __init__(self, battery):
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(battery)
self.palette = BatteryPalette(GLib.markup_escape_text(_('My Battery')))
self.palette.set_group_id('frame')
self.palette_invoker.props.toggle_palette = True
self._model.connect('updated',
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 <= _WARN_MIN_PERCENTAGE:
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_info(current_level, self._model.props.time_remaining,
status)
def __battery_status_changed_cb(self, model):
self._update_info()
class BatteryPalette(Palette):
def __init__(self, primary_text):
Palette.__init__(self, primary_text)
self._level = 0
self._time = 0
self._status = _STATUS_NOT_PRESENT
self._progress_widget = PaletteMenuBox()
self.set_content(self._progress_widget)
self._progress_widget.show()
inner_box = Gtk.VBox()
inner_box.set_spacing(style.DEFAULT_PADDING)
self._progress_widget.append_item(inner_box, vertical_padding=0)
inner_box.show()
self._progress_bar = Gtk.ProgressBar()
self._progress_bar.set_size_request(
style.zoom(style.GRID_CELL_SIZE * 4), -1)
inner_box.pack_start(self._progress_bar, True, True, 0)
self._progress_bar.show()
self._status_label = Gtk.Label()
inner_box.pack_start(self._status_label, True, True, 0)
self._status_label.show()
def set_info(self, percentage, seconds, status):
self._level = percentage
self._time = seconds
self._status = status
self._progress_bar.set_fraction(percentage / 100.0)
self._update_secondary()
def _update_secondary(self):
secondary_text = ''
status_text = '%s%%' % (self._level, )
progress_widget = self._progress_widget
if self._status == _STATUS_NOT_PRESENT:
secondary_text = _('Removed')
progress_widget = None
elif self._status == _STATUS_CHARGING:
secondary_text = _('Charging')
elif self._status == _STATUS_DISCHARGING:
if self._level <= _WARN_MIN_PERCENTAGE:
secondary_text = _('Very little power remaining')
else:
minutes_remaining = self._time // 60
remaining_hourpart = minutes_remaining // 60
remaining_minpart = minutes_remaining % 60
# TRANS: do not translate %(hour)d:%(min).2d it is a variable,
# only translate the word "remaining"
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 = GLib.markup_escape_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),
'time-remaining': (int, None, None, 0, GLib.MAXINT32, 0,
GObject.PARAM_READABLE), # unit: seconds
'charging': (bool, None, None, False, GObject.PARAM_READABLE),
'discharging': (bool, None, None, False, GObject.PARAM_READABLE),
'present': (bool, None, None, False, GObject.PARAM_READABLE),
}
__gsignals__ = {
'updated': (GObject.SignalFlags.RUN_FIRST, None, ([])),
}
def __init__(self, battery):
GObject.GObject.__init__(self)
self._battery = battery
self._battery_props_iface = dbus.Interface(self._battery,
dbus.PROPERTIES_IFACE)
self._battery.connect_to_signal('Changed',
self.__battery_properties_changed_cb,
dbus_interface=_UP_DEVICE_IFACE)
self._fetch_properties_from_upower()
def _fetch_properties_from_upower(self):
"""Get current values from UPower."""
# pylint: disable=W0201
try:
dbus_props = self._battery_props_iface.GetAll(_UP_DEVICE_IFACE)
except dbus.DBusException:
logging.error('Cannot access battery properties')
dbus_props = {}
self._level = dbus_props.get('Percentage', 0)
self._state = dbus_props.get('State', _UP_STATE_UNKNOWN)
self._present = dbus_props.get('IsPresent', False)
self._time_to_empty = dbus_props.get('TimeToEmpty', 0)
self._time_to_full = dbus_props.get('TimeToFull', 0)
def do_get_property(self, pspec):
"""Return current value of given GObject property."""
if pspec.name == 'level':
return self._level
if pspec.name == 'charging':
return self._state == _UP_STATE_CHARGING
if pspec.name == 'discharging':
return self._state == _UP_STATE_DISCHARGING
if pspec.name == 'present':
return self._present
if pspec.name == 'time-remaining':
if self._state == _UP_STATE_CHARGING:
return self._time_to_full
if self._state == _UP_STATE_DISCHARGING:
return self._time_to_empty
return 0
def get_type(self):
return 'battery'
def __battery_properties_changed_cb(self):
old_level = self._level
old_state = self._state
old_present = self._present
old_time = self.props.time_remaining
self._fetch_properties_from_upower()
if self._level != old_level:
self.notify('level')
if self._state != old_state:
self.notify('charging')
self.notify('discharging')
if self._present != old_present:
self.notify('present')
if self.props.time_remaining != old_time:
self.notify('time-remaining')
self.emit('updated')
def setup(tray):
bus = dbus.Bus(dbus.Bus.TYPE_SYSTEM)
up_proxy = bus.get_object('org.freedesktop.UPower',
'/org/freedesktop/UPower')
upower = dbus.Interface(up_proxy, 'org.freedesktop.UPower')
for device_path in upower.EnumerateDevices():
device = bus.get_object('org.freedesktop.UPower', device_path)
device_prop_iface = dbus.Interface(device, dbus.PROPERTIES_IFACE)
device_type = device_prop_iface.Get(_UP_DEVICE_IFACE, 'Type')
if device_type == _UP_TYPE_BATTERY:
tray.add_device(DeviceView(device))
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