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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.BuddyIcon import BuddyIcon
from model.BuddyModel import BuddyModel
from view.frame.MenuStrategy import MenuStrategy
class RightPanel(CanvasBox):
def __init__(self, shell, menu_shell):
CanvasBox.__init__(self, shell.get_grid(), CanvasBox.VERTICAL)
self._shell = shell
self._menu_shell = menu_shell
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.connect('activity-changed', self.__activity_changed_cb)
def add(self, buddy):
model = BuddyModel(buddy=buddy)
icon = BuddyIcon(self._shell, self._menu_shell, model)
icon.set_menu_strategy(MenuStrategy())
self.set_constraints(icon, 5, 5)
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.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):
if activity:
ps = self._pservice.get_activity(activity.get_id())
self._set_activity_ps(ps)
else:
self._set_activity_ps(None)
def __buddy_joined_cb(self, activity, buddy):
self.add(buddy)
def __buddy_left_cb(self, activity, buddy):
self.remove(buddy)
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