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import gobject
from sugar.presence.PresenceService import PresenceService
from ActivityRegistry import ActivityRegistry
class ActivityInfo:
def __init__(self, service):
self._service = service
def get_id(self):
return self._service.get_activity_id()
def get_type(self):
return self._service.get_type()
def get_title(self):
return self._service.get_published_value('title')
def get_service(self):
return self._service
class MeshModel(gobject.GObject):
__gsignals__ = {
'activity-added': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT])),
'activity-removed': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE,
([gobject.TYPE_PYOBJECT]))
}
def __init__(self, registry):
gobject.GObject.__init__(self)
self._activities = {}
self._registry = registry
self._pservice = PresenceService()
self._pservice.connect("service-appeared", self.__service_appeared_cb)
for service in self._pservice.get_services():
self.__check_service(service)
def has_activity(self, activity_id):
return self._activities.has_key(activity_id)
def add_activity(self, service):
activity_info = ActivityInfo(service)
self._activities[activity_info.get_id()] = (activity_info)
self.emit('activity-added', activity_info)
def __iter__(self):
activities = self._activities.values()
return activities.__iter__()
def __service_appeared_cb(self, pservice, service):
self.__check_service(service)
def __check_service(self, service):
if self._registry.get_activity(service.get_type()) != None:
if not self.has_activity(service.get_activity_id()):
self.add_activity(service)
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