Forgot to add the model

shell/ShellModel.py

@@ -0,0 +1,86 @@
+import gobject
+
+from Owner import ShellOwner
+from sugar.presence import PresenceService
+from sugar.activity import ActivityFactory
+from sugar.activity import Activity
+from Friends import Friends
+from Invites import Invites
+
+class ShellModel(gobject.GObject):
+	__gsignals__ = {
+		'activity-opened':  (gobject.SIGNAL_RUN_FIRST,
+							 gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
+		'activity-changed': (gobject.SIGNAL_RUN_FIRST,
+							 gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT])),
+		'activity-closed':  (gobject.SIGNAL_RUN_FIRST,
+							 gobject.TYPE_NONE, ([gobject.TYPE_PYOBJECT]))
+	}
+
+	def __init__(self):
+		gobject.GObject.__init__(self)
+
+		self._hosts = {}
+		self._current_activity = None
+
+		PresenceService.start()
+		self._pservice = PresenceService.get_instance()
+
+		self._owner = ShellOwner()
+		self._owner.announce()
+		self._friends = Friends()
+		self._invites = Invites()
+
+	def get_friends(self):
+		return self._friends
+
+	def get_invites(self):
+		return self._invites
+
+	def get_owner(self):
+		return self._owner
+
+	def add_activity(self, activity_host):
+		self._hosts[activity_host.get_xid()] = activity_host
+		self.emit('activity-opened', activity_host)
+
+	def set_current_activity(self, activity_xid):
+		activity_host = self._hosts[activity_xid]
+		if self._current_activity == activity_host:
+			return
+
+		self._current_activity = activity_host
+		self.emit('activity-changed', activity_host)
+
+	def remove_activity(self, activity_xid):
+		if self._hosts.has_key(activity_xid):
+			host = self._hosts[activity_xid]
+			self.emit('activity-closed', host)
+			del self._hosts[activity_xid]
+
+	def get_activity(self, activity_id):
+		for host in self._hosts.values():
+			if host.get_id() == activity_id:
+				return host
+		return None
+
+	def get_current_activity(self):
+		return self._current_activity
+
+	def join_activity(self, bundle_id, activity_id):
+		activity = self.get_activity(activity_id)
+		if activity:
+			activity.present()
+		else:
+			activity_ps = self._pservice.get_activity(activity_id)
+
+			if activity_ps:
+				activity = ActivityFactory.create(bundle_id)
+				activity.join(activity_ps.object_path())
+			else:
+				logging.error('Cannot start activity.')
+
+	def start_activity(self, activity_type):
+		activity = ActivityFactory.create(activity_type)
+		activity.execute('test', [])
+		return activity