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import goocanvas
from sugar.canvas.IconItem import IconItem
from sugar.canvas.IconColor import IconColor
from sugar.canvas.CanvasBox import CanvasBox
from sugar.presence import PresenceService
from view.FriendIcon import FriendIcon
from model.Friends import Friend
class RightPanel(CanvasBox):
def __init__(self, grid, shell_model):
CanvasBox.__init__(self, grid, CanvasBox.VERTICAL, 1)
self._shell_model = shell_model
self._friends = shell_model.get_friends()
self._activity_ps = None
self._joined_hid = -1
self._left_hid = -1
self._buddies = {}
self._pservice = PresenceService.get_instance()
self._pservice.connect('activity-appeared',
self.__activity_appeared_cb)
shell_model.connect('activity-changed', self.__activity_changed_cb)
def add(self, buddy):
friend = Friend(buddy.get_name(), buddy.get_color())
icon = FriendIcon(self._shell_model, friend)
icon.set_popup_distance(1)
self.set_constraints(icon, 3, 3)
self.add_child(icon)
self._buddies[buddy.get_name()] = icon
def remove(self, buddy):
i = self.find_child(self._buddies[buddy.get_name()])
self.remove_child(i)
def clear(self):
while (self.get_n_children() > 0):
self.remove_child(0)
self._buddies = {}
def __activity_appeared_cb(self, pservice, activity_ps):
activity = self._shell_model.get_current_activity()
if activity and activity_ps.get_id() == activity.get_id():
self._set_activity_ps(activity_ps)
def _set_activity_ps(self, activity_ps):
if self._activity_ps == activity_ps:
return
if self._joined_hid > 0:
self._activity_ps.disconnect(self._joined_hid)
self._joined_hid = -1
if self._left_hid > 0:
self._activity_ps.disconnect(self._left_hid)
self._left_hid = -1
self._activity_ps = activity_ps
self.clear()
if activity_ps != None:
for buddy in activity_ps.get_joined_buddies():
self.add(buddy)
self._joined_hid = activity_ps.connect(
'buddy-joined', self.__buddy_joined_cb)
self._left_hid = activity_ps.connect(
'buddy-left', self.__buddy_left_cb)
def __activity_changed_cb(self, group, activity):
activity_ps = self._pservice.get_activity(activity.get_id())
self._set_activity_ps(activity_ps)
def __buddy_joined_cb(self, activity, buddy):
self.add(buddy)
def __buddy_left_cb(self, activity, buddy):
self.remove(buddy)
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