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# 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 dbus
def _one_dict_differs(dict1, dict2):
diff_keys = []
for key, value in dict1.items():
if not dict2.has_key(key) or dict2[key] != value:
diff_keys.append(key)
return diff_keys
def _dicts_differ(dict1, dict2):
diff_keys = []
diff1 = _one_dict_differs(dict1, dict2)
diff2 = _one_dict_differs(dict2, dict1)
for key in diff2:
if key not in diff1:
diff_keys.append(key)
diff_keys += diff1
return diff_keys
class Service(gobject.GObject):
_PRESENCE_SERVICE = "org.laptop.Presence"
_SERVICE_DBUS_INTERFACE = "org.laptop.Presence.Service"
__gsignals__ = {
'published-value-changed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
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
sobj = bus.get_object(self._PRESENCE_SERVICE, object_path)
self._service = dbus.Interface(sobj, self._SERVICE_DBUS_INTERFACE)
self._service.connect_to_signal('PropertyChanged', self.__property_changed_cb)
self._service.connect_to_signal('PublishedValueChanged',
self.__published_value_changed_cb)
self._props = self._service.getProperties()
self._pubvals = self._service.getPublishedValues()
def object_path(self):
return self._object_path
def __property_changed_cb(self, prop_list):
self._props = self._service.getProperties()
def get_published_value(self, key):
return self._pubvals[key]
def get_published_values(self):
self._pubvals = self._service.getPublishedValues()
return self._pubvals
def set_published_value(self, key, value):
if self._pubvals.has_key(key):
if self._pubvals[key] == value:
return
self._pubvals[key] = value
self._service.setPublishedValue(key, value)
def set_published_values(self, vals):
self._service.setPublishedValues(vals)
self._pubvals = vals
def __published_value_changed_cb(self, keys):
oldvals = self._pubvals
self.get_published_values()
diff_keys = _dicts_differ(oldvals, self._pubvals)
if len(diff_keys) > 0:
self.emit('published-value-changed', diff_keys)
def get_name(self):
return self._props['name']
def get_type(self):
return self._props['type']
def get_domain(self):
return self._props['domain']
def get_address(self):
if self._props.has_key('address'):
return self._props['address']
return None
def get_activity_id(self):
if self._props.has_key('activityId'):
return self._props['activityId']
return None
def get_port(self):
if self._props.has_key('port'):
return self._props['port']
return None
def get_source_address(self):
if self._props.has_key('sourceAddress'):
return self._props['sourceAddress']
return None
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