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# Copyright (C) 2006-2007 Red Hat, Inc.
# Copyright (C) 2008 One Laptop Per Child
#
# 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 gobject
import os
import cjson
import gconf
from telepathy.interfaces import CHANNEL_TYPE_TEXT
from sugar import env
from sugar.presence import presenceservice
from sugar import util
from jarabe.model.invites import Invites
class Owner(gobject.GObject):
"""Class representing the owner of this machine/instance. This class
runs in the shell and serves up the buddy icon and other stuff. It's the
server portion of the Owner, paired with the client portion in Buddy.py.
"""
__gtype_name__ = "ShellOwner"
__gsignals__ = {
'nick-changed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_STRING])),
'color-changed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'icon-changed' : (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self):
gobject.GObject.__init__(self)
client = gconf.client_get_default()
self._nick = client.get_string("/desktop/sugar/user/nick")
self._icon = None
self._icon_hash = ""
icon = os.path.join(env.get_profile_path(), "buddy-icon.jpg")
if not os.path.exists(icon):
raise RuntimeError("missing buddy icon")
fd = open(icon, "r")
self._icon = fd.read()
fd.close()
if not self._icon:
raise RuntimeError("invalid buddy icon")
# Get the icon's hash
import hashlib
digest = hashlib.md5(self._icon).digest()
self._icon_hash = util.printable_hash(digest)
self._pservice = presenceservice.get_instance()
self._pservice.connect('activity-invitation',
self._activity_invitation_cb)
self._pservice.connect('private-invitation',
self._private_invitation_cb)
self._pservice.connect('activity-disappeared',
self._activity_disappeared_cb)
self._invites = Invites()
def get_invites(self):
return self._invites
def get_nick(self):
return self._nick
def _activity_invitation_cb(self, pservice, activity, buddy, message):
self._invites.add_invite(activity.props.type,
activity.props.id)
def _private_invitation_cb(self, pservice, bus_name, connection,
channel, channel_type):
"""Handle a private-invitation from Presence Service.
This is a connection by a non-Sugar XMPP client, so
launch Chat or VideoChat with the Telepathy connection and
channel.
"""
if channel_type == CHANNEL_TYPE_TEXT:
bundle_id = 'org.laptop.Chat'
else:
bundle_id = 'org.laptop.VideoChat'
tp_channel = cjson.encode([bus_name, connection, channel])
self._invites.add_private_invite(tp_channel, bundle_id)
def _activity_disappeared_cb(self, pservice, activity):
self._invites.remove_activity(activity.props.id)
_model = None
def get_model():
global _model
if _model is None:
_model = Owner()
return _model
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