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345 lines
13 KiB
Python
345 lines
13 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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import logging
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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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from server_plugin import ServerPlugin
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from linklocal_plugin import LinkLocalPlugin
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from sugar import util
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from buddy import Buddy, ShellOwner, TestOwner
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from activity import Activity
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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, test=0):
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self._next_object_id = 0
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self._buddies = {} # key -> Buddy
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self._handles_buddies = {} # tp client -> (handle -> Buddy)
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self._activities = {} # activity id -> Activity
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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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if test > 0:
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self._owner = TestOwner(self._bus_name, objid, test)
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else:
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self._owner = ShellOwner(self._bus_name, objid)
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self._buddies[self._owner.props.key] = self._owner
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self._registry = ManagerRegistry()
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self._registry.LoadManagers()
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# Set up the server connection
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self._server_plugin = ServerPlugin(self._registry, self._owner)
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self._handles_buddies[self._server_plugin] = {}
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self._server_plugin.connect('status', self._server_status_cb)
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self._server_plugin.connect('contact-online', self._contact_online)
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self._server_plugin.connect('contact-offline', self._contact_offline)
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self._server_plugin.connect('avatar-updated', self._avatar_updated)
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self._server_plugin.connect('buddy-properties-changed', self._buddy_properties_changed)
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self._server_plugin.connect('buddy-activities-changed', self._buddy_activities_changed)
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self._server_plugin.connect('activity-invitation', self._activity_invitation)
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self._server_plugin.connect('private-invitation', self._private_invitation)
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self._server_plugin.connect('activity-properties-changed', self._activity_properties_changed)
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self._server_plugin.start()
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# Set up the link local connection
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self._ll_plugin = LinkLocalPlugin(self._registry, self._owner)
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self._handles_buddies[self._ll_plugin] = {}
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dbus.service.Object.__init__(self, self._bus_name, _PRESENCE_PATH)
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def _activity_shared_cb(self, tp, activity, success, exc, async_cb, async_err_cb):
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if success:
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async_cb(activity.object_path())
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else:
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del self._activities[activity.props.id]
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async_err_cb(exc)
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def _server_status_cb(self, plugin, status, reason):
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if status == CONNECTION_STATUS_CONNECTED:
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pass
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def _contact_online(self, tp, handle, props):
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new_buddy = False
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key = props["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, key=key)
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buddy.connect("validity-changed", self._buddy_validity_changed_cb)
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self._buddies[key] = buddy
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buddies = self._handles_buddies[tp]
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buddies[handle] = buddy
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# store the handle of the buddy for this CM
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buddy.handles[tp] = handle
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buddy.set_properties(props)
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def _buddy_validity_changed_cb(self, buddy, valid):
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if valid:
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self.BuddyAppeared(buddy.object_path())
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logging.debug("New Buddy: %s (%s)" % (buddy.props.nick, buddy.props.color))
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else:
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self.BuddyDisappeared(buddy.object_path())
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logging.debug("Buddy left: %s (%s)" % (buddy.props.nick, buddy.props.color))
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def _contact_offline(self, tp, handle):
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buddy = self._handles_buddies[tp].pop(handle)
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key = buddy.props.key
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# the handle of the buddy for this CM is not valid anymore
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buddy.handles.pop(tp)
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if not buddy.handles:
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if buddy.props.valid:
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self.BuddyDisappeared(buddy.object_path())
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logging.debug("Buddy left: %s (%s)" % (buddy.props.nick, buddy.props.color))
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self._buddies.pop(key)
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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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def _avatar_updated(self, tp, handle, avatar):
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buddy = self._handles_buddies[tp].get(handle)
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if buddy and not buddy.props.owner:
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logging.debug("Buddy %s icon updated" % buddy.props.nick)
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buddy.props.icon = avatar
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def _buddy_properties_changed(self, tp, handle, prop):
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buddy = self._handles_buddies[tp].get(handle)
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if buddy:
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buddy.set_properties(prop)
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logging.debug("Buddy %s properties updated" % buddy.props.nick)
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def _new_activity(self, activity_id, tp):
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try:
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objid = self._get_next_object_id()
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activity = Activity(self._bus_name, objid, tp, id=activity_id)
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except Exception, e:
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logging.debug("Invalid activity: %s" % e)
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return None
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activity.connect("validity-changed", self._activity_validity_changed_cb)
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self._activities[activity_id] = activity
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return activity
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def _remove_activity(self, activity):
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logging.debug("remove activity", activity.props.id)
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self.ActivityDisappeared(activity.object_path())
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del self._activities[activity.props.id]
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def _buddy_activities_changed(self, tp, contact_handle, activities):
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acts = []
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for act in activities:
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acts.append(str(act))
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logging.debug("Handle %s activities changed: %s" % (contact_handle, acts))
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buddies = self._handles_buddies[tp]
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buddy = buddies.get(contact_handle)
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if not buddy:
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# We don't know this buddy
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# FIXME: What should we do here?
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# FIXME: Do we need to check if the buddy is valid or something?
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logging.debug("contact_activities_changed: buddy unknown")
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return
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old_activities = set()
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for activity in buddy.get_joined_activities():
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old_activities.add(activity.props.id)
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new_activities = set(activities)
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activities_joined = new_activities - old_activities
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for act in activities_joined:
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logging.debug("Handle %s joined activity %s" % (contact_handle, act))
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activity = self._activities.get(act)
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if not activity:
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# new activity, can fail
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activity = self._new_activity(act, tp)
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if activity:
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activity.buddy_joined(buddy)
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buddy.add_activity(activity)
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activities_left = old_activities - new_activities
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for act in activities_left:
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logging.debug("Handle %s left activity %s" % (contact_handle, act))
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activity = self._activities.get(act)
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if not activity:
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continue
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activity.buddy_left(buddy)
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buddy.remove_activity(activity)
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if not activity.get_joined_buddies():
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self._remove_activity(activity)
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def _activity_invitation(self, tp, act_id):
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activity = self._activities.get(act_id)
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if activity:
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self.ActivityInvitation(activity.object_path())
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def _private_invitation(self, tp, chan_path):
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conn = tp.get_connection()
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self.PrivateInvitation(str(conn.service_name), conn.object_path, chan_path)
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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.signal(_PRESENCE_INTERFACE, signature="o")
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def ActivityInvitation(self, activity):
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pass
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@dbus.service.signal(_PRESENCE_INTERFACE, signature="soo")
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def PrivateInvitation(self, bus_name, connection, channel):
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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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if act.props.valid:
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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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act = self._activities[actid]
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if act.props.valid:
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return act.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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if buddy.props.valid:
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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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key = psutils.bytes_to_string(key)
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if self._buddies.has_key(key):
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buddy = self._buddies[key]
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if buddy.props.valid:
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return buddy.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}",
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out_signature="o", async_callbacks=('async_cb', 'async_err_cb'))
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def ShareActivity(self, actid, atype, name, properties, async_cb, async_err_cb):
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self._share_activity(actid, atype, name, properties, (async_cb, async_err_cb))
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@dbus.service.method(_PRESENCE_INTERFACE, out_signature="so")
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def GetPreferredConnection(self):
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conn = self._server_plugin.get_connection()
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return str(conn.service_name), conn.object_path
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def cleanup(self):
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for tp in self._handles_buddies:
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tp.cleanup()
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def _share_activity(self, actid, atype, name, properties, callbacks):
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objid = self._get_next_object_id()
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# FIXME check which tp client we should use to share the activity
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color = self._owner.props.color
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activity = Activity(self._bus_name, objid, self._server_plugin,
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id=actid, type=atype, name=name, color=color, local=True)
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activity.connect("validity-changed", self._activity_validity_changed_cb)
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self._activities[actid] = activity
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activity._share(callbacks, self._owner)
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# local activities are valid at creation by definition, but we can't
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# connect to the activity's validity-changed signal until its already
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# issued the signal, which happens in the activity's constructor
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# for local activities.
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self._activity_validity_changed_cb(activity, activity.props.valid)
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def _activity_validity_changed_cb(self, activity, valid):
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if valid:
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self.ActivityAppeared(activity.object_path())
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logging.debug("New Activity: %s (%s)" % (activity.props.name, activity.props.id))
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else:
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self.ActivityDisappeared(activity.object_path())
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logging.debug("Activity disappeared: %s (%s)" % (activity.props.name, activity.props.id))
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def _activity_properties_changed(self, tp, act_id, props):
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activity = self._activities.get(act_id)
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if activity:
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activity.set_properties(props)
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def main(test=False):
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loop = gobject.MainLoop()
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ps = PresenceService(test)
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try:
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loop.run()
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except KeyboardInterrupt:
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ps.cleanup()
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logging.debug('Ctrl+C pressed, exiting...')
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if __name__ == "__main__":
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main()
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