238 lines
8.3 KiB
Python
238 lines
8.3 KiB
Python
# Copyright (C) 2007, Red Hat, Inc.
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library 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 GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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import dbus, dbus.glib, gobject
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import buddy, activity
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class ObjectCache(object):
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def __init__(self):
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self._cache = {}
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def get(self, object_path):
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try:
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return self._cache[object_path]
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except KeyError:
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return None
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def add(self, obj):
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op = obj.object_path()
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if not self._cache.has_key(op):
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self._cache[op] = obj
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def remove(self, object_path):
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if self._cache.has_key(object_path):
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del self._cache[object_path]
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DBUS_SERVICE = "org.laptop.Sugar.Presence"
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DBUS_INTERFACE = "org.laptop.Sugar.Presence"
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DBUS_PATH = "/org/laptop/Sugar/Presence"
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class PresenceService(gobject.GObject):
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__gsignals__ = {
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'buddy-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'buddy-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'activity-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'private-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT,
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gobject.TYPE_PYOBJECT])),
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'activity-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'activity-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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_PS_BUDDY_OP = DBUS_PATH + "/Buddies/"
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_PS_ACTIVITY_OP = DBUS_PATH + "/Activities/"
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def __init__(self):
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gobject.GObject.__init__(self)
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self._objcache = ObjectCache()
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self._bus = dbus.SessionBus()
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self._ps = dbus.Interface(self._bus.get_object(DBUS_SERVICE,
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DBUS_PATH), DBUS_INTERFACE)
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self._ps.connect_to_signal('BuddyAppeared', self._buddy_appeared_cb)
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self._ps.connect_to_signal('BuddyDisappeared', self._buddy_disappeared_cb)
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self._ps.connect_to_signal('ActivityAppeared', self._activity_appeared_cb)
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self._ps.connect_to_signal('ActivityDisappeared', self._activity_disappeared_cb)
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self._ps.connect_to_signal('ActivityInvitation', self._activity_invitation_cb)
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self._ps.connect_to_signal('PrivateInvitation', self._private_invitation_cb)
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def _new_object(self, object_path):
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obj = self._objcache.get(object_path)
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if not obj:
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if object_path.startswith(self._PS_BUDDY_OP):
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obj = buddy.Buddy(self._bus, self._new_object,
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self._del_object, object_path)
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elif object_path.startswith(self._PS_ACTIVITY_OP):
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obj = activity.Activity(self._bus, self._new_object,
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self._del_object, object_path)
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else:
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raise RuntimeError("Unknown object type")
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self._objcache.add(obj)
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return obj
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def _del_object(self, object_path):
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# FIXME
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pass
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def _emit_buddy_appeared_signal(self, object_path):
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self.emit('buddy-appeared', self._new_object(object_path))
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return False
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def _buddy_appeared_cb(self, op):
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gobject.idle_add(self._emit_buddy_appeared_signal, op)
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def _emit_buddy_disappeared_signal(self, object_path):
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self.emit('buddy-disappeared', self._new_object(object_path))
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return False
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def _buddy_disappeared_cb(self, object_path):
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gobject.idle_add(self._emit_buddy_disappeared_signal, object_path)
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def _emit_activity_invitation_signal(self, object_path):
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self.emit('activity-invitation', self._new_object(object_path))
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return False
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def _activity_invitation_cb(self, object_path):
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gobject.idle_add(self._emit_activity_invitation_signal, object_path)
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def _emit_private_invitation_signal(self, bus_name, connection, channel):
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self.emit('service-disappeared', bus_name, connection, channel)
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return False
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def _private_invitation_cb(self, bus_name, connection, channel):
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gobject.idle_add(self._emit_service_disappeared_signal, bus_name,
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connection, channel)
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def _emit_activity_appeared_signal(self, object_path):
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self.emit('activity-appeared', self._new_object(object_path))
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return False
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def _activity_appeared_cb(self, object_path):
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gobject.idle_add(self._emit_activity_appeared_signal, object_path)
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def _emit_activity_disappeared_signal(self, object_path):
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self.emit('activity-disappeared', self._new_object(object_path))
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return False
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def _activity_disappeared_cb(self, object_path):
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gobject.idle_add(self._emit_activity_disappeared_signal, object_path)
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def get(self, object_path):
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return self._new_object(object_path)
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def get_activities(self):
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resp = self._ps.GetActivities()
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acts = []
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for item in resp:
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acts.append(self._new_object(item))
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return acts
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def get_activity(self, activity_id):
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try:
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act_op = self._ps.GetActivityById(activity_id)
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except dbus.exceptions.DBusException:
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return None
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return self._new_object(act_op)
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def get_buddies(self):
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resp = self._ps.GetBuddies()
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buddies = []
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for item in resp:
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buddies.append(self._new_object(item))
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return buddies
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def get_buddy(self, key):
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try:
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buddy_op = self._ps.GetBuddyByPublicKey(dbus.ByteArray(key))
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except dbus.exceptions.DBusException:
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return None
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return self._new_object(buddy_op)
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def get_owner(self):
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try:
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owner_op = self._ps.GetOwner()
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except dbus.exceptions.DBusException:
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return None
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return self._new_object(owner_op)
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def share_activity(self, activity, properties={}):
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actid = activity.get_id()
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atype = activity.get_service_name()
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name = activity.props.title
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serv_op = self._ps.ShareActivity(actid, atype, name, properties)
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return self._new_object(serv_op)
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class _MockPresenceService(gobject.GObject):
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__gsignals__ = {
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'buddy-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'buddy-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'activity-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'private-invitation': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT, gobject.TYPE_PYOBJECT,
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gobject.TYPE_PYOBJECT])),
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'activity-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT])),
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'activity-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
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([gobject.TYPE_PYOBJECT]))
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}
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def __init__(self):
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gobject.GObject.__init__(self)
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def get_activities(self):
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return []
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def get_activity(self, activity_id):
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return None
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def get_buddies(self):
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return []
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def get_buddy(self, key):
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return None
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def get_owner(self):
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return None
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def share_activity(self, activity, properties={}):
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return None
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_REAL_PS_ENABLED = False
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_ps = None
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def get_instance():
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global _ps
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if not _ps:
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if _REAL_PS_ENABLED:
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_ps = PresenceService()
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else:
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_ps = _MockPresenceService()
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return _ps
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