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# Copyright (C) 2007, Red Hat, Inc.
# Copyright (C) 2010 Collabora Ltd. <http://www.collabora.co.uk/>
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
"""UI interface to a buddy in the presence service
STABLE.
"""
import logging
import gobject
import dbus
import gconf
from telepathy.interfaces import CONNECTION, \
CONNECTION_INTERFACE_ALIASING, \
CONNECTION_INTERFACE_CONTACTS
from telepathy.constants import HANDLE_TYPE_CONTACT
from sugar3.presence.connectionmanager import get_connection_manager
ACCOUNT_MANAGER_SERVICE = 'org.freedesktop.Telepathy.AccountManager'
CONN_INTERFACE_BUDDY_INFO = 'org.laptop.Telepathy.BuddyInfo'
_logger = logging.getLogger('sugar3.presence.buddy')
class BaseBuddy(gobject.GObject):
"""UI interface for a Buddy in the presence service
Each buddy interface tracks a set of activities and properties
that can be queried to provide UI controls for manipulating
the presence interface.
Properties Dictionary:
'key': public key,
'nick': nickname ,
'color': color (XXX what format),
'current-activity': (XXX dbus path?),
'owner': (XXX dbus path?),
"""
__gtype_name__ = 'PresenceBaseBuddy'
__gsignals__ = {
'joined-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'left-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'property-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
}
def __init__(self):
gobject.GObject.__init__(self)
self._key = None
self._nick = None
self._color = None
self._current_activity = None
self._owner = False
self._ip4_address = None
self._tags = None
def get_key(self):
return self._key
def set_key(self, key):
self._key = key
key = gobject.property(type=str, getter=get_key, setter=set_key)
def get_nick(self):
return self._nick
def set_nick(self, nick):
self._nick = nick
nick = gobject.property(type=str, getter=get_nick, setter=set_nick)
def get_color(self):
return self._color
def set_color(self, color):
self._color = color
color = gobject.property(type=str, getter=get_color, setter=set_color)
def get_current_activity(self):
if self._current_activity is None:
return None
for activity in self._activities.values():
if activity.props.id == self._current_activity:
return activity
return None
current_activity = gobject.property(type=object,
getter=get_current_activity)
def get_owner(self):
return self._owner
def set_owner(self, owner):
self._owner = owner
owner = gobject.property(type=bool, getter=get_owner, setter=set_owner,
default=False)
def get_ip4_address(self):
return self._ip4_address
def set_ip4_address(self, ip4_address):
self._ip4_address = ip4_address
ip4_address = gobject.property(type=str, getter=get_ip4_address,
setter=set_ip4_address)
def get_tags(self):
return self._tags
def set_tags(self, tags):
self._tags = tags
tags = gobject.property(type=str, getter=get_tags, setter=set_tags)
def object_path(self):
"""Retrieve our dbus object path"""
return None
class Buddy(BaseBuddy):
__gtype_name__ = 'PresenceBuddy'
def __init__(self, account_path, contact_id):
_logger.debug('Buddy.__init__')
BaseBuddy.__init__(self)
self._account_path = account_path
self.contact_id = contact_id
self.contact_handle = None
connection_manager = get_connection_manager()
connection = connection_manager.get_connection(account_path)
connection_name = connection.object_path.replace('/', '.')[1:]
bus = dbus.SessionBus()
obj = bus.get_object(connection_name, connection.object_path)
handles = obj.RequestHandles(HANDLE_TYPE_CONTACT, [self.contact_id],
dbus_interface=CONNECTION)
self.contact_handle = handles[0]
self._get_properties_call = bus.call_async(
connection_name,
connection.object_path,
CONN_INTERFACE_BUDDY_INFO,
'GetProperties',
'u',
(self.contact_handle,),
reply_handler=self.__got_properties_cb,
error_handler=self.__error_handler_cb,
utf8_strings=True,
byte_arrays=True)
self._get_attributes_call = bus.call_async(
connection_name,
connection.object_path,
CONNECTION_INTERFACE_CONTACTS,
'GetContactAttributes',
'auasb',
([self.contact_handle], [CONNECTION_INTERFACE_ALIASING],
False),
reply_handler=self.__got_attributes_cb,
error_handler=self.__error_handler_cb)
def __got_properties_cb(self, properties):
_logger.debug('__got_properties_cb %r', properties)
self._get_properties_call = None
self._update_properties(properties)
def __got_attributes_cb(self, attributes):
_logger.debug('__got_attributes_cb %r', attributes)
self._get_attributes_call = None
self._update_attributes(attributes[self.contact_handle])
def __error_handler_cb(self, error):
_logger.debug('__error_handler_cb %r', error)
def __properties_changed_cb(self, new_props):
_logger.debug('%r: Buddy properties changed to %r', self, new_props)
self._update_properties(new_props)
def _update_properties(self, properties):
if 'key' in properties:
self.props.key = properties['key']
if 'color' in properties:
self.props.color = properties['color']
if 'current-activity' in properties:
self.props.current_activity = properties['current-activity']
if 'owner' in properties:
self.props.owner = properties['owner']
if 'ip4-address' in properties:
self.props.ip4_address = properties['ip4-address']
if 'tags' in properties:
self.props.tags = properties['tags']
def _update_attributes(self, attributes):
nick_key = CONNECTION_INTERFACE_ALIASING + '/alias'
if nick_key in attributes:
self.props.nick = attributes[nick_key]
def do_get_property(self, pspec):
if pspec.name == 'nick' and self._get_attributes_call is not None:
_logger.debug('%r: Blocking on GetContactAttributes() because '
'someone wants property nick', self)
self._get_attributes_call.block()
elif pspec.name != 'nick' and self._get_properties_call is not None:
_logger.debug('%r: Blocking on GetProperties() because someone '
'wants property %s', self, pspec.name)
self._get_properties_call.block()
return BaseBuddy.do_get_property(self, pspec)
class Owner(BaseBuddy):
__gtype_name__ = 'PresenceOwner'
def __init__(self):
BaseBuddy.__init__(self)
client = gconf.client_get_default()
self.props.nick = client.get_string('/desktop/sugar/user/nick')
self.props.color = client.get_string('/desktop/sugar/user/color')
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