Add signal listener functionality to the DS #1197 (silbe)

This commit is contained in:
Simon Schampijer 2010-01-24 17:53:32 +01:00
parent a6df826d33
commit e1d4afe13e
2 changed files with 27 additions and 9 deletions

View File

@ -30,6 +30,7 @@ from sugar.presence import presenceservice
from sugar.activity.activityhandle import ActivityHandle
from sugar import util
from sugar import env
from sugar.datastore import datastore
from errno import EEXIST, ENOSPC
@ -42,10 +43,6 @@ _SHELL_SERVICE = "org.laptop.Shell"
_SHELL_PATH = "/org/laptop/Shell"
_SHELL_IFACE = "org.laptop.Shell"
_DS_SERVICE = "org.laptop.sugar.DataStore"
_DS_INTERFACE = "org.laptop.sugar.DataStore"
_DS_PATH = "/org/laptop/sugar/DataStore"
_ACTIVITY_FACTORY_INTERFACE = "org.laptop.ActivityFactory"
# helper method to close all filedescriptors
@ -211,13 +208,9 @@ class ActivityCreationHandler(gobject.GObject):
self._shell = dbus.Interface(bus_object, _SHELL_IFACE)
if handle.activity_id is not None and handle.object_id is None:
datastore = dbus.Interface(
bus.get_object(_DS_SERVICE, _DS_PATH), _DS_INTERFACE)
datastore.find({'activity_id': self._handle.activity_id},
[],
reply_handler=self._find_object_reply_handler,
error_handler=self._find_object_error_handler,
byte_arrays=True)
error_handler=self._find_object_error_handler)
else:
self._launch_activity()

View File

@ -33,6 +33,7 @@ import dbus.glib
from sugar import env
from sugar import mime
from sugar import dispatch
DS_DBUS_SERVICE = "org.laptop.sugar.DataStore"
DS_DBUS_INTERFACE = "org.laptop.sugar.DataStore"
@ -50,9 +51,33 @@ def _get_data_store():
_data_store = dbus.Interface(_bus.get_object(DS_DBUS_SERVICE,
DS_DBUS_PATH),
DS_DBUS_INTERFACE)
_data_store.connect_to_signal('Created', __datastore_created_cb)
_data_store.connect_to_signal('Deleted', __datastore_deleted_cb)
_data_store.connect_to_signal('Updated', __datastore_updated_cb)
return _data_store
def __datastore_created_cb(object_id):
metadata = _get_data_store().get_properties(object_id, byte_arrays=True)
updated.send(None, object_id=object_id, metadata=metadata)
def __datastore_updated_cb(object_id):
metadata = _get_data_store().get_properties(object_id, byte_arrays=True)
updated.send(None, object_id=object_id, metadata=metadata)
def __datastore_deleted_cb(object_id):
deleted.send(None, object_id=object_id)
created = dispatch.Signal()
deleted = dispatch.Signal()
updated = dispatch.Signal()
_get_data_store()
class DSMetadata(gobject.GObject):
"""A representation of the metadata associated with a DS entry."""
__gsignals__ = {