[orca] Hack around another focus: only situation in Gecko

[Joanmarie Diggs <joanied src gnome org>]

commit d110781bf84aa94f48a981f7e1d5726522aa1924
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Nov 11 17:46:20 2013 -0500

    Hack around another focus: only situation in Gecko

 src/orca/scripts/toolkits/Gecko/script.py |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/toolkits/Gecko/script.py b/src/orca/scripts/toolkits/Gecko/script.py
index 3bb0d91..eb03bf5 100644
--- a/src/orca/scripts/toolkits/Gecko/script.py
+++ b/src/orca/scripts/toolkits/Gecko/script.py
@@ -1292,6 +1292,14 @@ class Script(default.Script):
         # but no object:state-changed:focused event from Gecko.
         if role == pyatspi.ROLE_MENU:
             orca.setLocusOfFocus(event, event.source)
+            return
+
+        # Unfiled. When the Thunderbird 'do you want to replace this file'
+        # attachment dialog pops up, the 'Replace' button emits a focus:
+        # event, but we only seem to get the object:state-changed:focused
+        # event when it gives up focus.
+        if role == pyatspi.ROLE_PUSH_BUTTON:
+            orca.setLocusOfFocus(event, event.source)
 
     def onFocusedChanged(self, event):
         """Callback for object:state-changed:focused accessibility events."""