[orca] Handle more of the new timeout errors we get from AT-SPI2

[Joanmarie Diggs <joanied src gnome org>]

commit ec29b23956889c5a655970370321ec9633033973
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 10 08:16:12 2012 -0400

    Handle more of the new timeout errors we get from AT-SPI2

 src/orca/generator.py        |    5 ++++-
 src/orca/script_utilities.py |   11 +++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)
---
diff --git a/src/orca/generator.py b/src/orca/generator.py
index 94999c2..218d57a 100644
--- a/src/orca/generator.py
+++ b/src/orca/generator.py
@@ -598,7 +598,10 @@ class Generator:
             pass
         else:
             index = self._script.utilities.cellIndex(obj)
-            rowIndex = table.getRowAtIndex(index)
+            try:
+                rowIndex = table.getRowAtIndex(index)
+            except:
+                rowIndex = -1
             if rowIndex >= 0:
                 # Get the header information.  In Java Swing, the
                 # information is not exposed via the description
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 492ead4..40076d7 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -721,10 +721,13 @@ class Utilities:
             if not isinstance(role, list):
                 role = [role]
 
-            if isinstance(role[0], str):
-                current_role = current.getRoleName()
-            else:
-                current_role = current.getRole()
+            try:
+                if isinstance(role[0], str):
+                    current_role = current.getRoleName()
+                else:
+                    current_role = current.getRole()
+            except:
+                current_role = None
 
             if not current_role in role:
                 return False