94 lines
3.1 KiB
Python
94 lines
3.1 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 gtk
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from gettext import gettext as _
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from sugar.graphics import canvasicon
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from sugar.graphics import units
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from sugar.graphics.palette import Palette
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_ICON_NAME = 'device-battery'
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_STATUS_CHARGING = 0
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_STATUS_DISCHARGING = 1
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_STATUS_FULLY_CHARGED = 2
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class DeviceView(canvasicon.CanvasIcon):
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def __init__(self, model):
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canvasicon.CanvasIcon.__init__(self, scale=units.MEDIUM_ICON_SCALE)
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self._model = model
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self._palette = BatteryPalette(_('My Battery life'))
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self.set_palette(self._palette)
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model.connect('notify::level', self._battery_status_changed_cb)
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model.connect('notify::charging', self._battery_status_changed_cb)
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model.connect('notify::discharging', self._battery_status_changed_cb)
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self._update_info()
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def _update_info(self):
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self.props.icon_name = canvasicon.get_icon_state(
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_ICON_NAME, self._model.props.level)
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# Update palette
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if self._model.props.charging:
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status = _STATUS_CHARGING
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elif self._model.props.discharging:
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status = _STATUS_DISCHARGING
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else:
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status = _STATUS_FULLY_CHARGED
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self._palette.set_level(self._model.props.level)
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self._palette.set_status(status)
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def _battery_status_changed_cb(self, pspec, param):
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self._update_info()
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class BatteryPalette(Palette):
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def __init__(self, primary_text):
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Palette.__init__(self, primary_text)
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self._level = 0
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self._progress_bar = gtk.ProgressBar()
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self._progress_bar.show()
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self._status_label = gtk.Label()
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self._status_label.show()
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vbox = gtk.VBox()
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vbox.pack_start(self._progress_bar)
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vbox.pack_start(self._status_label)
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vbox.show()
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self.set_content(vbox)
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def set_level(self, percent):
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self._level = percent
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fraction = percent/100.0
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self._progress_bar.set_fraction(fraction)
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def set_status(self, status):
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percent_string = ' (%s%%)' % self._level
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if status == _STATUS_CHARGING:
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charge_text = _('Battery charging') + percent_string
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elif status == _STATUS_DISCHARGING:
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charge_text = _('Battery discharging') + percent_string
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elif status == _STATUS_FULLY_CHARGED:
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charge_text = _('Battery fully charged')
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self._status_label.set_text(charge_text)
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