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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.graphics.icon import get_icon_state
from sugar.graphics.tray import TrayIcon
from sugar.graphics import style
from sugar.graphics.palette import Palette
from jarabe.model.devices import wireless
from jarabe.model.devices import device
from jarabe.hardware import hardwaremanager
from jarabe.hardware import nmclient
from jarabe.view.frame.frameinvoker import FrameWidgetInvoker
_ICON_NAME = 'network-wireless'
class DeviceView(TrayIcon):
FRAME_POSITION_RELATIVE = 300
def __init__(self, model):
TrayIcon.__init__(self, icon_name=_ICON_NAME)
self._model = model
meshdev = None
network_manager = hardwaremanager.get_network_manager()
for dev in network_manager.get_devices():
if dev.get_type() == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
meshdev = dev
break
self._counter = 0
self.palette = WirelessPalette(self._get_palette_primary_text(),
meshdev)
self.set_palette(self.palette)
self.palette.props.invoker = FrameWidgetInvoker(self)
self.palette.set_group_id('frame')
self.palette.set_frequency(self._model.props.frequency)
model.connect('notify::name', self._name_changed_cb)
model.connect('notify::strength', self._strength_changed_cb)
model.connect('notify::state', self._state_changed_cb)
self._update_icon()
self._update_state()
def _get_palette_primary_text(self):
if self._model.props.state == device.STATE_INACTIVE:
return _("Disconnected")
return self._model.props.name
def _strength_changed_cb(self, model, pspec):
self._update_icon()
# Only update frequency periodically
if self._counter % 4 == 0:
self.palette.set_frequency(self._model.props.frequency)
self._counter += 1
def _name_changed_cb(self, model, pspec):
self.palette.set_primary_text(self._get_palette_primary_text())
def _state_changed_cb(self, model, pspec):
self._update_icon()
self._update_state()
self.palette.set_primary_text(self._get_palette_primary_text())
def _update_icon(self):
# keep this code in sync with view/home/MeshBox.py
strength = self._model.props.strength
if self._model.props.state == device.STATE_INACTIVE:
strength = 0
if self._model.props.state == device.STATE_ACTIVATED:
icon_name = '%s-connected' % _ICON_NAME
else:
icon_name = _ICON_NAME
icon_name = get_icon_state(icon_name, strength)
if icon_name:
self.icon.props.icon_name = icon_name
def _update_state(self):
# FIXME Change icon colors once we have real icons
state = self._model.props.state
if state == device.STATE_ACTIVATING:
self.icon.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg()
self.icon.props.stroke_color = style.COLOR_INACTIVE_STROKE.get_svg()
elif state == device.STATE_ACTIVATED:
(stroke, fill) = self._model.get_active_network_colors()
self.icon.props.stroke_color = stroke
self.icon.props.fill_color = fill
elif state == device.STATE_INACTIVE:
self.icon.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg()
self.icon.props.stroke_color = style.COLOR_INACTIVE_STROKE.get_svg()
class WirelessPalette(Palette):
def __init__(self, primary_text, meshdev):
Palette.__init__(self, primary_text, menu_after_content=True)
self._meshdev = meshdev
self._chan_label = gtk.Label()
self._chan_label.show()
vbox = gtk.VBox()
vbox.pack_start(self._chan_label)
vbox.show()
if meshdev:
disconnect_item = gtk.MenuItem(_('Disconnect...'))
disconnect_item.connect('activate', self._disconnect_activate_cb)
self.menu.append(disconnect_item)
disconnect_item.show()
self.set_content(vbox)
def _disconnect_activate_cb(self, menuitem):
# Disconnection for an AP means activating the default mesh device
network_manager = hardwaremanager.get_network_manager()
if network_manager and self._meshdev:
network_manager.set_active_device(self._meshdev)
def set_frequency(self, freq):
try:
chan = wireless.freq_to_channel(freq)
except KeyError:
chan = 0
self._chan_label.set_text("%s: %d" % (_("Channel"), chan))
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