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"""UI interface to an activity in the presence service"""
# Copyright (C) 2007, Red Hat, Inc.
#
# 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.
import gobject
import dbus
class Activity(gobject.GObject):
"""UI interface for an Activity in the presence service
Activities in the presence service represent other user's
shared activities and your own activities (XXX shared or
otherwise?)
Properties:
id
color
name
type
joined
"""
__gsignals__ = {
'buddy-joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'buddy-left': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'new-channel': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT]))
}
__gproperties__ = {
'id' : (str, None, None, None, gobject.PARAM_READABLE),
'name' : (str, None, None, None, gobject.PARAM_READABLE),
'color' : (str, None, None, None, gobject.PARAM_READABLE),
'type' : (str, None, None, None, gobject.PARAM_READABLE),
'joined' : (bool, None, None, False, gobject.PARAM_READABLE)
}
_PRESENCE_SERVICE = "org.laptop.Sugar.Presence"
_ACTIVITY_DBUS_INTERFACE = "org.laptop.Sugar.Presence.Activity"
def __init__(self, bus, new_obj_cb, del_obj_cb, object_path):
"""Initialse the activity interface, connecting to service"""
gobject.GObject.__init__(self)
self._object_path = object_path
self._ps_new_object = new_obj_cb
self._ps_del_object = del_obj_cb
bobj = bus.get_object(self._PRESENCE_SERVICE, object_path)
self._activity = dbus.Interface(bobj, self._ACTIVITY_DBUS_INTERFACE)
self._activity.connect_to_signal('BuddyJoined', self._buddy_joined_cb)
self._activity.connect_to_signal('BuddyLeft', self._buddy_left_cb)
self._activity.connect_to_signal('NewChannel', self._new_channel_cb)
self._id = None
self._color = None
self._name = None
self._type = None
self._joined = False
def object_path(self):
"""Get our dbus object path"""
return self._object_path
def do_get_property(self, pspec):
"""Retrieve a particular property from our property dictionary"""
if pspec.name == "id":
if not self._id:
self._id = self._activity.GetId()
return self._id
elif pspec.name == "name":
if not self._name:
self._name = self._activity.GetName()
return self._name
elif pspec.name == "color":
if not self._color:
self._color = self._activity.GetColor()
return self._color
elif pspec.name == "type":
if not self._type:
self._type = self._activity.GetType()
return self._type
elif pspec.name == "joined":
return self._joined
def _emit_buddy_joined_signal(self, object_path):
"""Generate buddy-joined GObject signal with presence Buddy object"""
self.emit('buddy-joined', self._ps_new_object(object_path))
return False
def _buddy_joined_cb(self, object_path):
gobject.idle_add(self._emit_buddy_joined_signal, object_path)
def _emit_buddy_left_signal(self, object_path):
"""Generate buddy-left GObject signal with presence Buddy object
XXX note use of _ps_new_object instead of _ps_del_object here
"""
self.emit('buddy-left', self._ps_new_object(object_path))
return False
def _buddy_left_cb(self, object_path):
gobject.idle_add(self._emit_buddy_left_signal, object_path)
def _emit_new_channel_signal(self, object_path):
"""Generate new-channel GObject signal with channel object path
New telepathy-python communications channel has been opened
"""
self.emit('new-channel', object_path)
return False
def _new_channel_cb(self, object_path):
gobject.idle_add(self._emit_new_channel_signal, object_path)
def get_joined_buddies(self):
"""Retrieve the set of Buddy objects attached to this activity
returns list of presence Buddy objects
"""
resp = self._activity.GetJoinedBuddies()
buddies = []
for item in resp:
buddies.append(self._ps_new_object(item))
return buddies
def _join_cb(self):
self._joined = True
self.emit("joined", True, None)
def _join_error_cb(self, err):
self.emit("joined", False, str(err))
def join(self):
"""Join this activity
XXX if these are all activities, can I join my own activity?
"""
if self._joined:
self.emit("joined", True, None)
return
self._activity.Join(reply_handler=self._join_cb, error_handler=self._join_error_cb)
def get_channels(self):
"""Retrieve communications channel descriptions for the activity
Returns (bus name, connection, channels) for the activity
XXX what are those values?
"""
(bus_name, connection, channels) = self._activity.GetChannels()
return bus_name, connection, channels
def leave(self):
# FIXME
self._joined = False
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