[orca] Eliminate some more chattiness with Thunderbird autocompletes

[Joanmarie Diggs <joanied src gnome org>]

commit 1fe20109b53a47726d68048378655e6918f532f4
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Thu Jan 30 18:28:49 2014 -0500

    Eliminate some more chattiness with Thunderbird autocompletes

 src/orca/scripts/apps/Thunderbird/script.py |    8 +++++++-
 1 files changed, 7 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/scripts/apps/Thunderbird/script.py b/src/orca/scripts/apps/Thunderbird/script.py
index a758f81..6f42e55 100644
--- a/src/orca/scripts/apps/Thunderbird/script.py
+++ b/src/orca/scripts/apps/Thunderbird/script.py
@@ -123,6 +123,7 @@ class Script(Gecko.Script):
             return
 
         self._lastAutoComplete = ""
+        self.pointOfReference['lastAutoComplete'] = None
 
         obj = event.source
         if not self.inDocumentContent(obj):
@@ -217,7 +218,7 @@ class Script(Gecko.Script):
                 default.Script.onTextInserted(self, event)
                 return
 
-            if self._lastAutoComplete == event.any_data:
+            if self._lastAutoComplete and self._lastAutoComplete in event.any_data:
                 return
 
             # Mozilla cannot seem to get their ":system" suffix right
@@ -236,6 +237,11 @@ class Script(Gecko.Script):
 
         Gecko.Script.onTextInserted(self, event)
 
+    def onTextSelectionChanged(self, event):
+        """Callback for object:text-selection-changed accessibility events."""
+
+        default.Script.onTextSelectionChanged(self, event)
+
     def onNameChanged(self, event):
         """Called whenever a property on an object changes.