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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 hippo
from sugar.presence import presenceservice
from sugar.graphics.tray import VTray, TrayIcon
from view.BuddyMenu import BuddyMenu
from view.frame.frameinvoker import FrameWidgetInvoker
from model.BuddyModel import BuddyModel
class FriendIcon(TrayIcon):
def __init__(self, shell, buddy):
TrayIcon.__init__(self, icon_name='computer-xo',
xo_color=buddy.get_color())
palette = BuddyMenu(shell, buddy)
self.set_palette(palette)
palette.set_group_id('frame')
palette.props.invoker = FrameWidgetInvoker(self)
class FriendsTray(VTray):
def __init__(self, shell):
VTray.__init__(self)
self._shell = 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)
self._owner = self._pservice.get_owner()
# Add initial activities the PS knows about
self._pservice.get_activities_async(reply_handler=self._get_activities_cb)
home_model = shell.get_model().get_home()
home_model.connect('pending-activity-changed',
self._pending_activity_changed_cb)
def _get_activities_cb(self, list):
for activity in list:
self.__activity_appeared_cb(self._pservice, activity)
def add_buddy(self, buddy):
if self._buddies.has_key(buddy.props.key):
return
model = BuddyModel(buddy=buddy)
icon = FriendIcon(self._shell, model)
self.add_item(icon)
icon.show()
self._buddies[buddy.props.key] = icon
def remove_buddy(self, buddy):
if not self._buddies.has_key(buddy.props.key):
return
self.remove_item(self._buddies[buddy.props.key])
del self._buddies[buddy.props.key]
def clear(self):
for item in self.get_children():
self.remove_item(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, True)
def _set_activity_ps(self, activity_ps, shared_activity):
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 shared_activity is True:
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)
else:
# only display myself if not shared
self.add_buddy(self._owner)
def _pending_activity_changed_cb(self, home_model, home_activity):
if home_activity is None:
return
activity_id = home_activity.get_activity_id()
if activity_id is None:
return
# check if activity is shared
activity = None
for act in self._pservice.get_activities():
if activity_id == act.props.id:
activity = act
break
if activity:
self._set_activity_ps(activity, True)
else:
self._set_activity_ps(home_activity, False)
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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