# 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.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) @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()