205 lines
7.1 KiB
Python
205 lines
7.1 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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import gobject
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import dbus, dbus.service, dbus.glib
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from telepathy.client import ManagerRegistry, Connection
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from telepathy.interfaces import (CONN_MGR_INTERFACE, CONN_INTERFACE)
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from telepathy.constants import (CONNECTION_STATUS_CONNECTING, CONNECTION_STATUS_CONNECTED,
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CONNECTION_STATUS_DISCONNECTED, CONNECTION_HANDLE_TYPE_CONTACT)
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import telepathyclient
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from buddy import Buddy, Owner
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from activity import Activity
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import buddyiconcache
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from sugar import profile
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_PRESENCE_SERVICE = "org.laptop.Sugar.Presence"
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_PRESENCE_INTERFACE = "org.laptop.Sugar.Presence"
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_PRESENCE_PATH = "/org/laptop/Sugar/Presence"
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class NotFoundError(dbus.DBusException):
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def __init__(self):
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dbus.DBusException.__init__(self)
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self._dbus_error_name = _PRESENCE_INTERFACE + '.NotFound'
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class PresenceService(dbus.service.Object):
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def __init__(self):
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self._next_object_id = 0
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self._buddies = {} # key -> Buddy
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self._handles = {} # tp client -> (handle -> Buddy)
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self._activities = {} # activity id -> Activity
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self._icon_cache = buddyiconcache.BuddyIconCache()
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bus = dbus.SessionBus()
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self._bus_name = dbus.service.BusName(_PRESENCE_SERVICE, bus=bus)
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# Create the Owner object
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objid = self._get_next_object_id()
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self._owner = Owner(self, self._bus_name, objid, self._icon_cache)
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self._buddies[self._owner.get_key()] = self._owner
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self._registry = ManagerRegistry()
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self._registry.LoadManagers()
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account = {
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'account': 'olpc@collabora.co.uk',
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'password': 'learn',
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'server': 'light.bluelinux.co.uk'
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}
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self._server_client = self._connect_to_connection_manager("jabber", account)
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self._handles[self._server_client] = {}
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# Telepathy link local connection
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self._ll_client = None
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self._server_client.connect('contact-online', self._contact_online)
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self._server_client.connect('contact-offline', self._contact_offline)
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self._server_client.run()
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dbus.service.Object.__init__(self, self._bus_name, _PRESENCE_PATH)
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def _connect_to_connection_manager(self, protocol, account):
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if protocol == "jabber":
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cm = "gabble"
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else:
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return
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mgr = self._registry.GetManager(cm)
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conn = None
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# Search existing connections, if any, that we might be able to use
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connections = Connection.get_connections()
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for item in connections:
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if item[CONN_INTERFACE].GetProtocol() != protocol:
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continue
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if not item.object_path.startswith("/org/freedesktop/Telepathy/Connection/%s/%s/" % (cm, protocol)):
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continue
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if item[CONN_INTERFACE].GetStatus() == CONNECTION_STATUS_CONNECTED:
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self_name = account['account']
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test_handle = item[CONN_INTERFACE].RequestHandles(CONNECTION_HANDLE_TYPE_CONTACT, [self_name])[0]
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if item[CONN_INTERFACE].GetSelfHandle() != test_handle:
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continue
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conn = item
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if not conn:
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conn_bus_name, conn_object_path = \
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mgr[CONN_MGR_INTERFACE].RequestConnection(protocol, account)
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conn = Connection(conn_bus_name, conn_object_path)
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return telepathyclient.TelepathyClient(conn)
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def _contact_online(self, tp, handle, key):
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buddy = self._buddies.get(key)
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if not buddy:
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# we don't know yet this buddy
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objid = self._get_next_object_id()
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buddy = Buddy(self._bus_name, objid, self._icon_cache)
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buddy.set_key(key)
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print "create buddy"
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self._buddies[key] = buddy
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buddies = self._handles[tp]
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buddies[handle] = buddy
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self.BuddyAppeared(buddy.object_path())
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def _contact_offline(self, tp, handle):
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buddy = self._handles[tp].pop(handle)
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key = buddy.get_key()
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# TODO: check if we don't see this buddy using the other CM
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self._buddies.pop(key)
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print "remove buddy"
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self.BuddyDisappeared(buddy.object_path())
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def _get_next_object_id(self):
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"""Increment and return the object ID counter."""
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self._next_object_id = self._next_object_id + 1
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return self._next_object_id
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@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
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def ActivityAppeared(self, activity):
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pass
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@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
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def ActivityDisappeared(self, activity):
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pass
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@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
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def BuddyAppeared(self, buddy):
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pass
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@dbus.service.signal(_PRESENCE_INTERFACE, signature="o")
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def BuddyDisappeared(self, buddy):
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pass
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@dbus.service.method(_PRESENCE_INTERFACE, out_signature="ao")
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def GetActivities(self):
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ret = []
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for act in self._activities.values():
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ret.append(act.object_path())
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return ret
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@dbus.service.method(_PRESENCE_INTERFACE, in_signature="s", out_signature="o")
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def GetActivityById(self, actid):
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if self._activities.has_key(actid):
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return self._activities[actid].object_path()
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raise NotFoundError("The activity was not found.")
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@dbus.service.method(_PRESENCE_INTERFACE, out_signature="ao")
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def GetBuddies(self):
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ret = []
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for buddy in self._buddies.values():
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ret.append(buddy.object_path())
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return ret
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@dbus.service.method(_PRESENCE_INTERFACE, in_signature="ay", out_signature="o")
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def GetBuddyByPublicKey(self, key):
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if self._buddies.has_key(key):
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return self._buddies[key].object_path()
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raise NotFoundError("The buddy was not found.")
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@dbus.service.method(_PRESENCE_INTERFACE, out_signature="o")
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def GetOwner(self):
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if not self._owner:
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raise NotFoundError("The owner was not found.")
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else:
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return self._owner.get_object_path()
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@dbus.service.method(_PRESENCE_INTERFACE, in_signature="sssa{sv}", out_signature="o")
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def ShareActivity(self, actid, atype, name, properties):
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raise NotImplementedError("not implemented yet")
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def main():
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loop = gobject.MainLoop()
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ps = PresenceService()
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try:
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loop.run()
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except KeyboardInterrupt:
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print 'Ctrl+C pressed, exiting...'
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if __name__ == "__main__":
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main()
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