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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
import gobject
from sugar.graphics.xocolor import XoColor
from sugar.presence import presenceservice
from sugar import activity
from jarabe.model.buddy import BuddyModel
from jarabe.model import bundleregistry
from jarabe.model import network
class ActivityModel:
def __init__(self, act, bundle):
self.activity = act
self.bundle = bundle
def get_id(self):
return self.activity.props.id
def get_icon_name(self):
return self.bundle.get_icon()
def get_color(self):
return XoColor(self.activity.props.color)
def get_bundle_id(self):
return self.bundle.get_bundle_id()
class Neighborhood(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]))
}
def __init__(self):
gobject.GObject.__init__(self)
self._activities = {}
self._buddies = {}
self._pservice = presenceservice.get_instance()
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
self._pservice.get_buddies_async(reply_handler=self._get_buddies_cb)
self._pservice.get_activities_async(
reply_handler=self._get_activities_cb)
def _get_buddies_cb(self, buddy_list):
for buddy in buddy_list:
self._buddy_appeared_cb(self._pservice, buddy)
def _get_activities_cb(self, activity_list):
for act in activity_list:
self._check_activity(act)
def get_activities(self):
return self._activities.values()
def get_buddies(self):
return self._buddies.values()
def _buddy_activity_changed_cb(self, model, cur_activity):
if not self._buddies.has_key(model.get_buddy().object_path()):
return
if cur_activity and self._activities.has_key(cur_activity.props.id):
activity_model = self._activities[cur_activity.props.id]
self.emit('buddy-moved', model, activity_model)
else:
self.emit('buddy-moved', model, None)
def _buddy_appeared_cb(self, pservice, buddy):
if self._buddies.has_key(buddy.object_path()):
return
model = BuddyModel(buddy=buddy)
model.connect('current-activity-changed',
self._buddy_activity_changed_cb)
self._buddies[buddy.object_path()] = model
self.emit('buddy-added', model)
cur_activity = buddy.props.current_activity
if cur_activity:
self._buddy_activity_changed_cb(model, cur_activity)
def _buddy_disappeared_cb(self, pservice, buddy):
if not self._buddies.has_key(buddy.object_path()):
return
self.emit('buddy-removed', self._buddies[buddy.object_path()])
del self._buddies[buddy.object_path()]
def _activity_appeared_cb(self, pservice, act):
self._check_activity(act)
def _check_activity(self, presence_activity):
registry = bundleregistry.get_registry()
bundle = registry.get_bundle(presence_activity.props.type)
if not bundle:
return
if self.has_activity(presence_activity.props.id):
return
self.add_activity(bundle, presence_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
def add_activity(self, bundle, act):
model = ActivityModel(act, bundle)
self._activities[model.get_id()] = model
self.emit('activity-added', model)
for buddy in self._pservice.get_buddies():
cur_activity = buddy.props.current_activity
object_path = buddy.object_path()
if cur_activity == activity and object_path in self._buddies:
buddy_model = self._buddies[object_path]
self.emit('buddy-moved', buddy_model, model)
def _activity_disappeared_cb(self, pservice, act):
if self._activities.has_key(act.props.id):
activity_model = self._activities[act.props.id]
self.emit('activity-removed', activity_model)
del self._activities[act.props.id]
_model = None
def get_model():
global _model
if _model is None:
_model = Neighborhood()
return _model
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