sugar-toolkit-gtk3/shell/model/MeshModel.py

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# Copyright (C) 2006, 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
import gobject
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from sugar.graphics.xocolor import XoColor
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from sugar.presence import presenceservice
from sugar.activity import bundleregistry
from model.BuddyModel import BuddyModel
from model.accesspointmodel import AccessPointModel
from hardware import hardwaremanager
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from hardware import nmclient
class ActivityModel:
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def __init__(self, activity, bundle):
self._activity = activity
self._bundle = bundle
def get_id(self):
return self._activity.get_id()
def get_icon_name(self):
return self._bundle.get_icon()
def get_color(self):
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return XoColor(self._activity.get_color())
class MeshModel(gobject.GObject):
__gsignals__ = {
'activity-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'activity-removed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'buddy-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'buddy-moved': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT,
gobject.TYPE_PYOBJECT])),
'buddy-removed': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'access-point-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'access-point-removed': (gobject.SIGNAL_RUN_FIRST,
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gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'mesh-added': (gobject.SIGNAL_RUN_FIRST,
gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
'mesh-removed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
}
def __init__(self):
gobject.GObject.__init__(self)
self._activities = {}
self._buddies = {}
self._access_points = {}
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self._mesh = None
self._bundle_registry = bundleregistry.get_registry()
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self._pservice = presenceservice.get_instance()
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self._pservice.connect("activity-appeared",
self._activity_appeared_cb)
self._pservice.connect('activity-disappeared',
self._activity_disappeared_cb)
self._pservice.connect("buddy-appeared",
self._buddy_appeared_cb)
self._pservice.connect("buddy-disappeared",
self._buddy_disappeared_cb)
# Add any buddies the PS knows about already
for buddy in self._pservice.get_buddies():
self._buddy_appeared_cb(self._pservice, buddy)
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for activity in self._pservice.get_activities():
self._check_activity(activity)
network_manager = hardwaremanager.get_network_manager()
if network_manager:
for nm_device in network_manager.get_devices():
self._add_network_device(nm_device)
network_manager.connect('device-added',
self._nm_device_added_cb)
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network_manager.connect('device-removed',
self._nm_device_removed_cb)
def _nm_device_added_cb(self, manager, nm_device):
self._add_network_device(nm_device)
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def _nm_device_removed_cb(self, manager, nm_device):
self._remove_network_device(nm_device)
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def _nm_network_appeared_cb(self, nm_device, nm_network):
self._add_access_point(nm_device, nm_network)
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def _nm_network_disappeared_cb(self, nm_device, nm_network):
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if self._access_points.has_key(nm_network.get_op()):
ap = self._access_points[nm_network.get_op()]
self._remove_access_point(ap)
def _add_network_device(self, nm_device):
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dtype = nm_device.get_type()
if dtype == nmclient.DEVICE_TYPE_802_11_WIRELESS:
for nm_network in nm_device.get_networks():
self._add_access_point(nm_device, nm_network)
nm_device.connect('network-appeared',
self._nm_network_appeared_cb)
nm_device.connect('network-disappeared',
self._nm_network_disappeared_cb)
elif dtype == nmclient.DEVICE_TYPE_802_11_MESH_OLPC:
self._mesh = nm_device
self.emit('mesh-added', self._mesh)
def _remove_network_device(self, nm_device):
if nm_device == self._mesh:
self._mesh = None
self.emit('mesh-removed')
elif nm_device.get_type() == nmclient.DEVICE_TYPE_802_11_WIRELESS:
aplist = self._access_points.values()
for ap in aplist:
if ap.get_nm_device() == nm_device:
self._remove_access_point(ap)
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def _add_access_point(self, nm_device, nm_network):
model = AccessPointModel(nm_device, nm_network)
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self._access_points[model.get_id()] = model
self.emit('access-point-added', model)
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def _remove_access_point(self, ap):
if not self._access_points.has_key(ap.get_id()):
return
self.emit('access-point-removed', ap)
del self._access_points[ap.get_id()]
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def get_mesh(self):
return self._mesh
def get_access_points(self):
return self._access_points.values()
def get_activities(self):
return self._activities.values()
def get_buddies(self):
return self._buddies.values()
def _buddy_activity_changed_cb(self, buddy, cur_activity):
if not self._buddies.has_key(buddy.props.key):
return
buddy_model = self._buddies[buddy.props.key]
if cur_activity == None:
self.emit('buddy-moved', buddy_model, None)
else:
self._notify_buddy_change(buddy_model, cur_activity)
def _notify_buddy_change(self, buddy_model, cur_activity):
if self._activities.has_key(cur_activity.get_id()):
activity_model = self._activities[cur_activity.get_id()]
self.emit('buddy-moved', buddy_model, activity_model)
def _buddy_appeared_cb(self, pservice, buddy):
if self._buddies.has_key(buddy.props.key):
return
model = BuddyModel(buddy=buddy)
model.connect('current-activity-changed',
self._buddy_activity_changed_cb)
self._buddies[buddy.props.key] = model
self.emit('buddy-added', model)
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cur_activity = buddy.props.current_activity
if cur_activity:
self._notify_buddy_change(model, cur_activity)
def _buddy_disappeared_cb(self, pservice, buddy):
if not self._buddies.has_key(buddy.props.key):
return
self.emit('buddy-removed', self._buddies[buddy.props.key])
del self._buddies[buddy.props.key]
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def _activity_appeared_cb(self, pservice, activity):
self._check_activity(activity)
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def _check_activity(self, activity):
atype = activity.get_type()
bundle = self._bundle_registry.get_bundle(atype)
if not bundle:
return
activity_id = activity.get_id()
if self.has_activity(activity_id):
return
self.add_activity(bundle, activity)
def has_activity(self, activity_id):
return self._activities.has_key(activity_id)
def get_activity(self, activity_id):
if self.has_activity(activity_id):
return self._activities[activity_id]
else:
return None
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def add_activity(self, bundle, activity):
model = ActivityModel(activity, bundle)
self._activities[model.get_id()] = model
self.emit('activity-added', model)
for buddy in self._pservice.get_buddies():
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cur_activity = buddy.props.current_activity
key = buddy.props.key
if cur_activity == activity and self._buddies.has_key(key):
buddy_model = self._buddies[key]
self.emit('buddy-moved', buddy_model, model)
def _activity_disappeared_cb(self, pservice, activity):
if self._activities.has_key(activity.get_id()):
activity_model = self._activities[activity.get_id()]
self.emit('activity-removed', activity_model)
del self._activities[activity.get_id()]