1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
|
import hippo
from sugar.graphics.CanvasIcon import CanvasIcon
from sugar.canvas.IconColor import IconColor
from sugar.presence import PresenceService
from view.BuddyIcon import BuddyIcon
from model.BuddyModel import BuddyModel
from view.frame.MenuStrategy import MenuStrategy
class RightPanel(hippo.CanvasBox):
def __init__(self, shell, menu_shell):
CanvasBox.__init__(self)
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.append(icon, 0)
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)
|
