[orca] Filter out object:state-changed:busy signals from Evolution

[Joanmarie Diggs <joanied src gnome org>]

commit 2b61aa086a79922435109f206ac3fffb5b16ee4f
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Mar 18 12:05:59 2014 -0400

    Filter out object:state-changed:busy signals from Evolution
    
    It's emitting them like they are going out of style. We can look for the
    ones that matter later.

 src/orca/scripts/apps/evolution/script.py |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/apps/evolution/script.py b/src/orca/scripts/apps/evolution/script.py
index 88f5bb6..59b5f10 100644
--- a/src/orca/scripts/apps/evolution/script.py
+++ b/src/orca/scripts/apps/evolution/script.py
@@ -101,6 +101,10 @@ class Script(WebKitGtk.Script):
     #                                                                      #
     ########################################################################
 
+    def onBusyChanged(self, event):
+        """Callback for object:state-changed:busy accessibility events."""
+        pass
+
     def onFocus(self, event):
         """Callback for focus: accessibility events."""