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# Copyright (C) 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 gobject
import dbus, dbus.service, dbus.glib
from telepathy.client import ManagerRegistry, Connection
from telepathy.interfaces import (CONN_MGR_INTERFACE, CONN_INTERFACE)
from telepathy.constants import (CONNECTION_STATUS_CONNECTING, CONNECTION_STATUS_CONNECTED,
CONNECTION_STATUS_DISCONNECTED, CONNECTION_HANDLE_TYPE_CONTACT)
from server_plugin import ServerPlugin
from linklocal_plugin import LinkLocalPlugin
from buddy import Buddy, Owner
from activity import Activity
_PRESENCE_SERVICE = "org.laptop.Sugar.Presence"
_PRESENCE_INTERFACE = "org.laptop.Sugar.Presence"
_PRESENCE_PATH = "/org/laptop/Sugar/Presence"
class NotFoundError(dbus.DBusException):
def __init__(self):
dbus.DBusException.__init__(self)
self._dbus_error_name = _PRESENCE_INTERFACE + '.NotFound'
class PresenceService(dbus.service.Object):
def __init__(self):
self._next_object_id = 0
self._buddies = {} # key -> Buddy
self._handles = {} # tp client -> (handle -> Buddy)
self._activities = {} # activity id -> Activity
bus = dbus.SessionBus()
self._bus_name = dbus.service.BusName(_PRESENCE_SERVICE, bus=bus)
# Create the Owner object
objid = self._get_next_object_id()
self._owner = Owner(self, self._bus_name, objid)
self._buddies[self._owner.get_key()] = self._owner
self._registry = ManagerRegistry()
self._registry.LoadManagers()
# Set up the server connection
self._server_plugin = ServerPlugin(self._registry)
self._handles[self._server_plugin] = {}
self._server_plugin.connect('status', self._server_status_cb)
self._server_plugin.connect('contact-online', self._contact_online)
self._server_plugin.connect('contact-offline', self._contact_offline)
self._server_plugin.connect('avatar-updated', self._avatar_updated)
self._server_plugin.connect('properties-changed', self._properties_changed)
self._server_plugin.connect('activities-changed', self._activities_changed)
self._server_plugin.start()
# Set up the link local connection
self._ll_plugin = LinkLocalPlugin(self._registry)
self._handles[self._ll_plugin] = {}
dbus.service.Object.__init__(self, self._bus_name, _PRESENCE_PATH)
def _server_status_cb(self, plugin, status, reason):
pass
def _contact_online(self, tp, handle, key):
new_buddy = False
buddy = self._buddies.get(key)
if not buddy:
# we don't know yet this buddy
objid = self._get_next_object_id()
buddy = Buddy(self._bus_name, objid, handle=handle)
buddy.set_key(key)
print "create buddy", key
self._buddies[key] = buddy
new_buddy = True
buddies = self._handles[tp]
buddies[handle] = buddy
# store the handle of the buddy for this CM
buddy.handles[tp] = handle
if new_buddy:
self.BuddyAppeared(buddy.object_path())
def _contact_offline(self, tp, handle):
buddy = self._handles[tp].pop(handle)
key = buddy.get_key()
# the handle of the buddy for this CM is not valid anymore
buddy.handles.pop(tp)
if not buddy.handles:
# we remove the last handle of the buddy, so we don't see
# it anymore.
self._buddies.pop(key)
print "remove buddy"
self.BuddyDisappeared(buddy.object_path())
def _get_next_object_id(self):
"""Increment and return the object ID counter."""
self._next_object_id = self._next_object_id + 1
return self._next_object_id
def _avatar_updated(self, tp, handle, avatar):
buddy = self._handles[tp].get(handle)
if buddy:
buddy.set_icon(avatar)
def _properties_changed(self, tp, handle, prop):
buddy = self._handles[tp].get(handle)
if buddy:
buddy.set_properties(prop)
def _activities_changed(self, tp, handle, prop):
pass
@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
def ActivityAppeared(self, activity):
pass
@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
def ActivityDisappeared(self, activity):
pass
@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
def BuddyAppeared(self, buddy):
pass
@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
def BuddyDisappeared(self, buddy):
pass
@dbus.service.method(_PRESENCE_INTERFACE, out_signature="ao")
def GetActivities(self):
ret = []
for act in self._activities.values():
ret.append(act.object_path())
return ret
@dbus.service.method(_PRESENCE_INTERFACE, in_signature="s", out_signature="o")
def GetActivityById(self, actid):
if self._activities.has_key(actid):
return self._activities[actid].object_path()
raise NotFoundError("The activity was not found.")
@dbus.service.method(_PRESENCE_INTERFACE, out_signature="ao")
def GetBuddies(self):
ret = []
for buddy in self._buddies.values():
ret.append(buddy.object_path())
return ret
@dbus.service.method(_PRESENCE_INTERFACE, in_signature="ay", out_signature="o")
def GetBuddyByPublicKey(self, key):
if self._buddies.has_key(key):
return self._buddies[key].object_path()
raise NotFoundError("The buddy was not found.")
@dbus.service.method(_PRESENCE_INTERFACE, out_signature="o")
def GetOwner(self):
if not self._owner:
raise NotFoundError("The owner was not found.")
else:
return self._owner.get_object_path()
@dbus.service.method(_PRESENCE_INTERFACE, in_signature="sssa{sv}", out_signature="o")
def ShareActivity(self, actid, atype, name, properties):
raise NotImplementedError("not implemented yet")
def main():
loop = gobject.MainLoop()
ps = PresenceService()
try:
loop.run()
except KeyboardInterrupt:
print 'Ctrl+C pressed, exiting...'
if __name__ == "__main__":
main()
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