[at-spi2-core] Send key events to listeners assumed to be hung, but don't block

[Mike Gorse <mgorse src gnome org>]

commit 2cf16b3ec3777d1337e02d6a7850290a259eda5b
Author: Mike Gorse <mgorse novell com>
Date:   Fri Feb 24 16:22:50 2012 -0600

    Send key events to listeners assumed to be hung, but don't block
    
    Orca would sometimes fail to notice that its modifier key was released
    since it was presumed to be hung and would not be sent the event. So,
    rather than ignore event listeners assumed to be hung, we'll send them
    the notifications for the keys that they're listening to but not wait
    for a reply, instead assuming that they are not consumed.

 registryd/deviceeventcontroller.c |   12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)
---
diff --git a/registryd/deviceeventcontroller.c b/registryd/deviceeventcontroller.c
index 8637b2c..93ee40d 100644
--- a/registryd/deviceeventcontroller.c
+++ b/registryd/deviceeventcontroller.c
@@ -1224,19 +1224,27 @@ Accessibility_DeviceEventListener_NotifyEvent(SpiDEController *controller,
   DBusError error;
   dbus_bool_t consumed = FALSE;
   GSList *l;
+  gboolean hung = FALSE;
 
   for (l = hung_processes; l; l = l->next)
   {
     if (!strcmp (l->data, listener->bus_name))
     {
-      dbus_message_unref (message);
-      return FALSE;
+      dbus_message_set_no_reply (message, TRUE);
+      hung = TRUE;
+      break;
     }
   }
 
   dbus_error_init(&error);
   if (spi_dbus_marshal_deviceEvent(message, key_event))
   {
+    if (hung)
+    {
+      dbus_connection_send (controller->bus, message, NULL);
+      dbus_message_unref (message);
+      return FALSE;
+    }
     DBusMessage *reply = send_and_allow_reentry (controller->bus, message, 1000, &error);
     if (reply)
     {