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