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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 hippo
from sugar.graphics.canvasicon import CanvasIcon
from sugar.graphics import color
from sugar.presence import presenceservice
from view.BuddyIcon import BuddyIcon
from model.BuddyModel import BuddyModel
class FriendIcon(BuddyIcon):
def __init__(self, shell, popup_context, buddy):
BuddyIcon.__init__(self, shell, popup_context, buddy)
self._popup_context = popup_context
def get_popup_context(self):
return self._popup_context
def prelight(self, enter):
if enter:
self.props.background_color = color.BLACK.get_int()
else:
self.props.background_color = color.TOOLBAR_BACKGROUND.get_int()
class FriendsBox(hippo.CanvasBox):
def __init__(self, shell, popup_context):
hippo.CanvasBox.__init__(self)
self._shell = shell
self._popup_context = popup_context
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)
# Add initial activities the PS knows about
for activity in self._pservice.get_activities():
self.__activity_appeared_cb(self._pservice, activity)
home_model = shell.get_model().get_home()
home_model.connect('active-activity-changed',
self._active_activity_changed_cb)
def add_buddy(self, buddy):
if self._buddies.has_key(buddy.get_key()):
return
model = BuddyModel(buddy=buddy)
icon = FriendIcon(self._shell, self._popup_context, model)
self.append(icon)
self._buddies[buddy.get_key()] = icon
def remove_buddy(self, buddy):
if not self._buddies.has_key(buddy.get_key()):
return
self.remove(self._buddies[buddy.get_key()])
def clear(self):
for item in self.get_children():
self.remove(item)
self._buddies = {}
def __activity_appeared_cb(self, pservice, activity_ps):
activity = self._shell.get_current_activity()
if activity and activity_ps.props.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(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 _active_activity_changed_cb(self, home_model, home_activity):
if home_activity:
activity_id = home_activity.get_activity_id()
ps = self._pservice.get_activity(activity_id)
self._set_activity_ps(ps)
else:
self._set_activity_ps(None)
def __buddy_joined_cb(self, activity, buddy):
self.add_buddy(buddy)
def __buddy_left_cb(self, activity, buddy):
self.remove_buddy(buddy)
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