# Copyright (C) 2006, Red Hat, Inc.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
import gobject
import gtk
import dbus
class Buddy(gobject.GObject):
__gsignals__ = {
'icon-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([])),
'disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([])),
'service-appeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'service-disappeared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'joined-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'left-activity': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'property-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'current-activity-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
_PRESENCE_SERVICE = "org.laptop.Presence"
_BUDDY_DBUS_INTERFACE = "org.laptop.Presence.Buddy"
def __init__(self, bus, new_obj_cb, del_obj_cb, object_path):
gobject.GObject.__init__(self)
self._object_path = object_path
self._ps_new_object = new_obj_cb
self._ps_del_object = del_obj_cb
self._properties = {}
bobj = bus.get_object(self._PRESENCE_SERVICE, object_path)
self._buddy = dbus.Interface(bobj, self._BUDDY_DBUS_INTERFACE)
self._buddy.connect_to_signal('IconChanged', self._icon_changed_cb)
self._buddy.connect_to_signal('ServiceAppeared', self._service_appeared_cb)
self._buddy.connect_to_signal('ServiceDisappeared', self._service_disappeared_cb)
self._buddy.connect_to_signal('Disappeared', self._disappeared_cb)
self._buddy.connect_to_signal('JoinedActivity', self._joined_activity_cb)
self._buddy.connect_to_signal('LeftActivity', self._left_activity_cb)
self._buddy.connect_to_signal('PropertyChanged', self._property_changed_cb)
self._buddy.connect_to_signal('CurrentActivityChanged', self._current_activity_changed_cb)
self._properties = self._get_properties_helper()
self._current_activity = None
try:
self._current_activity = self._buddy.getCurrentActivity()
except Exception, e:
pass
def _get_properties_helper(self):
props = self._buddy.getProperties()
if not props:
return {}
return props
def object_path(self):
return self._object_path
def _emit_icon_changed_signal(self):
self.emit('icon-changed')
return False
def _icon_changed_cb(self):
gobject.idle_add(self._emit_icon_changed_signal)
def _emit_disappeared_signal(self):
self.emit('disappeared')
def _disappeared_cb(self):
gobject.idle_add(self._emit_disappeared_signal)
def _emit_service_appeared_signal(self, object_path):
self.emit('service-appeared', self._ps_new_object(object_path))
return False
def _service_appeared_cb(self, object_path):
gobject.idle_add(self._emit_service_appeared_signal, object_path)
def _emit_service_disappeared_signal(self, object_path):
self.emit('service-disappeared', self._ps_new_object(object_path))
return False
def _service_disappeared_cb(self, object_path):
gobject.idle_add(self._emit_service_disappeared_signal, object_path)
def _emit_joined_activity_signal(self, object_path):
self.emit('joined-activity', self._ps_new_object(object_path))
return False
def _joined_activity_cb(self, object_path):
gobject.idle_add(self._emit_joined_activity_signal, object_path)
def _emit_left_activity_signal(self, object_path):
self.emit('left-activity', self._ps_new_object(object_path))
return False
def _left_activity_cb(self, object_path):
gobject.idle_add(self._emit_left_activity_signal, object_path)
def _handle_property_changed_signal(self, prop_list):
self._properties = self._get_properties_helper()
self.emit('property-changed', prop_list)
return False
def _property_changed_cb(self, prop_list):
gobject.idle_add(self._handle_property_changed_signal, prop_list)
def _handle_current_activity_changed_signal(self, act_list):
if len(act_list) == 0:
self._current_activity = None
self.emit('current-activity-changed', None)
else:
self._current_activity = act_list[0]
self.emit('current-activity-changed', self._ps_new_object(act_list[0]))
return False
def _current_activity_changed_cb(self, act_list):
gobject.idle_add(self._handle_current_activity_changed_signal, act_list)
def get_name(self):
return self._properties['name']
def get_ip4_address(self):
return self._properties['ip4_address']
def is_owner(self):
return self._properties['owner']
def get_color(self):
return self._properties['color']
def get_icon(self):
return self._buddy.getIcon()
def get_current_activity(self):
if not self._current_activity:
return None
return self._ps_new_object(self._current_activity)
def get_icon_pixbuf(self):
icon = self._buddy.getIcon()
if icon and len(icon):
pbl = gtk.gdk.PixbufLoader()
icon_data = ""
for item in icon:
if item < 0:
item = item + 128
icon_data = icon_data + chr(item)
pbl.write(icon_data)
pbl.close()
return pbl.get_pixbuf()
else:
return None
def get_service_of_type(self, stype, activity=None):
try:
act_op = "/"
if activity:
act_op = activity.object_path()
object_path = self._buddy.getServiceOfType(stype, act_op)
except dbus.exceptions.DBusException:
return None
return self._ps_new_object(object_path)
def get_joined_activities(self):
try:
resp = self._buddy.getJoinedActivities()
except dbus.exceptions.DBusException:
return []
acts = []
for item in resp:
acts.append(self._ps_new_object(item))
return acts