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Diffstat (limited to 'src/view/devices/network/wireless.py')
| -rw-r--r-- | src/view/devices/network/wireless.py | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/src/view/devices/network/wireless.py b/src/view/devices/network/wireless.py new file mode 100644 index 0000000..f4f8869 --- /dev/null +++ b/src/view/devices/network/wireless.py @@ -0,0 +1,132 @@ +# +# 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.icon import CanvasIcon +from sugar.graphics import style +from sugar.graphics.palette import Palette + +from model.devices.network import wireless +from model.devices import device + +from hardware import hardwaremanager +from hardware import nmclient + +_ICON_NAME = 'network-wireless' + +class DeviceView(CanvasIcon): + def __init__(self, model): + CanvasIcon.__init__(self, size=style.MEDIUM_ICON_SIZE) + self._model = model + + meshdev = None + network_manager = hardwaremanager.get_network_manager() + for device in network_manager.get_devices(): + if device.get_type() == nmclient.DEVICE_TYPE_802_11_MESH_OLPC: + meshdev = device + break + + self._palette = WirelessPalette(self._get_palette_primary_text(), meshdev) + self.set_palette(self._palette) + self._counter = 0 + 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_state() + self.palette.set_primary_text(self._get_palette_primary_text()) + + def _update_icon(self): + strength = self._model.props.strength + if self._model.props.state == device.STATE_INACTIVE: + strength = 0 + icon_name = get_icon_state(_ICON_NAME, strength) + if icon_name: + self.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.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg() + self.props.stroke_color = style.COLOR_INACTIVE_STROKE.get_svg() + elif state == device.STATE_ACTIVATED: + (stroke, fill) = self._model.get_active_network_colors() + self.props.stroke_color = stroke + self.props.fill_color = fill + elif state == device.STATE_INACTIVE: + self.props.fill_color = style.COLOR_INACTIVE_FILL.get_svg() + self.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)) + |