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# Copyright (C) 2008, OLPC
#
# 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 gtk
from gettext import gettext as _
from sugar.graphics import style
from jarabe.controlpanel.sectionview import SectionView
from jarabe.controlpanel.inlinealert import InlineAlert
class Power(SectionView):
def __init__(self, model, alerts):
SectionView.__init__(self)
self._model = model
self.restart_alerts = alerts
self._automatic_pm_valid = True
self._automatic_pm_change_handler = None
self.set_border_width(style.DEFAULT_SPACING * 2)
self.set_spacing(style.DEFAULT_SPACING)
group = gtk.SizeGroup(gtk.SIZE_GROUP_HORIZONTAL)
self._automatic_pm_alert_box = gtk.HBox(spacing=style.DEFAULT_SPACING)
separator_pm = gtk.HSeparator()
self.pack_start(separator_pm, expand=False)
separator_pm.show()
label_pm = gtk.Label(_('Power management'))
label_pm.set_alignment(0, 0)
self.pack_start(label_pm, expand=False)
label_pm.show()
box_pm = gtk.VBox()
box_pm.set_border_width(style.DEFAULT_SPACING * 2)
box_pm.set_spacing(style.DEFAULT_SPACING)
box_automatic_pm = gtk.HBox(spacing=style.DEFAULT_SPACING)
label_automatic_pm = gtk.Label(
_('Automatic power management (increases battery life)'))
label_automatic_pm.set_alignment(0, 0.5)
self._automatic_button = gtk.CheckButton()
self._automatic_button.set_alignment(0, 0)
box_automatic_pm.pack_start(self._automatic_button, expand=False)
box_automatic_pm.pack_start(label_automatic_pm, expand=False)
self._automatic_button.show()
label_automatic_pm.show()
group.add_widget(label_automatic_pm)
box_pm.pack_start(box_automatic_pm, expand=False)
box_automatic_pm.show()
self._automatic_pm_alert = InlineAlert()
label_automatic_pm_error = gtk.Label()
group.add_widget(label_automatic_pm_error)
self._automatic_pm_alert_box.pack_start(label_automatic_pm_error,
expand=False)
label_automatic_pm_error.show()
self._automatic_pm_alert_box.pack_start(self._automatic_pm_alert,
expand=False)
box_pm.pack_end(self._automatic_pm_alert_box, expand=False)
self._automatic_pm_alert_box.show()
if 'automatic_pm' in self.restart_alerts:
self._automatic_pm_alert.props.msg = self.restart_msg
self._automatic_pm_alert.show()
self.pack_start(box_pm, expand=False)
box_pm.show()
self.setup()
def setup(self):
try:
automatic_state = self._model.get_automatic_pm()
except Exception, detail:
self._automatic_pm_alert.props.msg = detail
self._automatic_pm_alert.show()
else:
self._automatic_button.set_active(automatic_state)
self._automatic_pm_valid = True
self.needs_restart = False
self._automatic_pm_change_handler = self._automatic_button.connect( \
'toggled', self.__automatic_pm_toggled_cb)
def undo(self):
self._automatic_button.disconnect(self._automatic_pm_change_handler)
self._model.undo()
self._automatic_pm_alert.hide()
def _validate(self):
if self._automatic_pm_valid:
self.props.is_valid = True
else:
self.props.is_valid = False
def __automatic_pm_toggled_cb(self, widget, data=None):
state = widget.get_active()
try:
self._model.set_automatic_pm(state)
except Exception, detail:
print detail
self._automatic_pm_alert.props.msg = detail
else:
self._automatic_pm_valid = True
self._validate()
return False
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