Split the factory to his own module

1 files changed, 76 insertions, 0 deletions

diff --git a/sugar/activity/ActivityFactory.py b/sugar/activity/ActivityFactory.py
new file mode 100644
index 0000000..ca3dfb8
--- /dev/null
+++ b/sugar/activity/ActivityFactory.py
@@ -0,0 +1,76 @@
+import sys
+import logging
+
+import dbus
+import dbus.service
+import gobject
+
+from sugar.presence.PresenceService import PresenceService
+
+ACTIVITY_SERVICE_NAME = "com.redhat.Sugar.Activity"
+ACTIVITY_SERVICE_PATH = "/com/redhat/Sugar/Activity"
+
+def get_path(activity_name):
+	"""Returns the activity path"""
+	return '/' + activity_name.replace('.', '/')
+
+def _get_factory(activity_name):
+	"""Returns the activity factory"""
+	return activity_name + '.Factory'
+
+class ActivityFactory(dbus.service.Object):
+	"""Dbus service that takes care of creating new instances of an activity"""
+
+	def __init__(self, name, activity_class, default_type):
+		self._default_type = default_type
+
+		splitted_module = activity_class.rsplit('.', 1)
+		module_name = splitted_module[0]
+		class_name = splitted_module[1]
+
+		module = __import__(module_name)		
+		for comp in module_name.split('.')[1:]:
+			module = getattr(module, comp)
+		
+		self._class = getattr(module, class_name)
+	
+		bus = dbus.SessionBus()
+		factory = _get_factory(name)
+		bus_name = dbus.service.BusName(factory, bus = bus) 
+		dbus.service.Object.__init__(self, bus_name, get_path(factory))
+
+	@dbus.service.method("com.redhat.Sugar.ActivityFactory",
+						 in_signature="o", out_signature="")
+	def create_with_service(self, service_path):
+		pservice = PresenceService()
+		service = pservice.get(service_path)
+
+		activity = self._class()
+		activity.set_default_type(self._default_type)
+		activity.join(service)
+
+	@dbus.service.method("com.redhat.Sugar.ActivityFactory")
+	def create(self):
+		activity = self._class()
+		activity.set_default_type(self._default_type)
+		
+
+def create(activity_name, service = None):
+	"""Create a new activity from his name."""
+	bus = dbus.SessionBus()
+
+	factory_name = _get_factory(activity_name)
+	factory_path = get_path(factory_name) 
+
+	proxy_obj = bus.get_object(factory_name, factory_path)
+	factory = dbus.Interface(proxy_obj, "com.redhat.Sugar.ActivityFactory")
+
+	if service:
+		print service.object_path()
+		factory.create_with_service(service.object_path())
+	else:
+		factory.create()		
+
+def register_factory(name, activity_class, default_type=None):
+	"""Register the activity factory."""
+	factory = ActivityFactory(name, activity_class, default_type)