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Diffstat (limited to 'src/jarabe/view/devices/battery.py')
| -rw-r--r-- | src/jarabe/view/devices/battery.py | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/src/jarabe/view/devices/battery.py b/src/jarabe/view/devices/battery.py new file mode 100644 index 0000000..90137ea --- /dev/null +++ b/src/jarabe/view/devices/battery.py @@ -0,0 +1,130 @@ +# 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 jarabe.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) |