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Reconnect to the PS if it goes away and comes back

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This commit is contained in:
Dan Williams 2007-04-23 13:11:21 -04:00
parent 30a50bd9fc
commit 86ab6ca36b
1 changed files with 18 additions and 11 deletions
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29
sugar/presence/presenceservice.py
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@ -71,20 +71,27 @@ class PresenceService(gobject.GObject):
"""
gobject.GObject.__init__(self)
self._objcache = {}
# Get a connection to the session bus
self._bus = dbus.SessionBus()
self._bus.add_signal_receiver(self._name_owner_changed_cb,
signal_name="NameOwnerChanged",
dbus_interface="org.freedesktop.DBus")
# attempt to load the interface to the service...
self._allow_offline_iface = allow_offline_iface
self._get_ps()
_bus_ = None
def _get_bus(self):
"""Retrieve dbus session-bus or create new"""
if not self._bus_:
self._bus_ = dbus.SessionBus()
return self._bus_
_bus = property(
_get_bus, None, None,
"""DBUS SessionBus object for user-local communications"""
)
def _name_owner_changed_cb(self, name, old, new):
if name != DBUS_SERVICE:
return
if (old and len(old)) and (not new and not len(new)):
# PS went away, clear out PS dbus service wrapper
self._ps_ = None
elif (not old and not len(old)) and (new and len(new)):
# PS started up
self._get_ps()
_ps_ = None
def _get_ps(self):
"""Retrieve dbus interface to PresenceService