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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
from gettext import gettext as _
import gtk
from sugar import profile
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 view.frame.frameinvoker import FrameWidgetInvoker
_ICON_NAME = 'battery'
_STATUS_CHARGING = 0
_STATUS_DISCHARGING = 1
_STATUS_FULLY_CHARGED = 2
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 1000
def __init__(self, model):
TrayIcon.__init__(self, icon_name=_ICON_NAME,
xo_color=profile.get_color())
self._model = model
self.palette = BatteryPalette(_('My Battery'))
self.set_palette(self.palette)
self.palette.props.invoker = FrameWidgetInvoker(self)
self.palette.set_group_id('frame')
model.connect('notify::level', self._battery_status_changed_cb)
model.connect('notify::charging', self._battery_status_changed_cb)
model.connect('notify::discharging', self._battery_status_changed_cb)
self._update_info()
def _update_info(self):
name = _ICON_NAME
current_level = self._model.props.level
xo_color = profile.get_color()
badge_name = None
if 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.set_content(vbox)
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
if 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.props.secondary_text = secondary_text
self._status_label.set_text(status_text)
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