[orca] More work on Empathy support.

[Joanmarie Diggs <joanied src gnome org>]

commit ef6d375ab4622b015d31c0d4a5552b61a02efa7e
Author: Joanmarie Diggs <Joanmarie Diggs gmail com>
Date:   Sun Apr 11 15:57:12 2010 -0400

    More work on Empathy support.

 src/orca/scripts/apps/empathy/script.py |   11 +++++++++++
 1 files changed, 11 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/apps/empathy/script.py b/src/orca/scripts/apps/empathy/script.py
index d9875e4..72e6201 100644
--- a/src/orca/scripts/apps/empathy/script.py
+++ b/src/orca/scripts/apps/empathy/script.py
@@ -105,3 +105,14 @@ class Script(default.Script):
             return
 
         default.Script.onTextInserted(self, event)
+
+    def onWindowActivated(self, event):
+        """Called whenever a toplevel window is activated."""
+
+        # Hack to "tickle" the accessible hierarchy. Otherwise, the
+        # events we need to present text added to the chatroom are
+        # missing.
+        #
+        allPageTabs = self.findByRole(event.source, pyatspi.ROLE_PAGE_TAB)
+
+        default.Script.onWindowActivated(self, event)