[orca] Fix for BGO#615968 - Catch some exceptions

[Mike Gorse <mgorse src gnome org>]

commit 7a6a9d079bebfbe373da633ced2f1db247604e6d
Author: Mike Gorse <mgorse novell com>
Date:   Sat Jun 5 17:47:17 2010 -0400

    Fix for BGO#615968 - Catch some exceptions

 src/orca/debug.py                    |    9 ++++++---
 src/orca/focus_tracking_presenter.py |    6 ++++++
 2 files changed, 12 insertions(+), 3 deletions(-)
---
diff --git a/src/orca/debug.py b/src/orca/debug.py
index 7e5967b..51d7425 100644
--- a/src/orca/debug.py
+++ b/src/orca/debug.py
@@ -237,9 +237,12 @@ def getAccessibleDetails(acc, indent="", includeApp=True):
     else:
         rel_string = ''
 
-    string += "name='%s' role='%s' state='%s' relations='%s'" \
-              % (acc.name or 'None', acc.getRoleName(),
-                 state_string, rel_string)
+    try:
+        string += "name='%s' role='%s' state='%s' relations='%s'" \
+                  % (acc.name or 'None', acc.getRoleName(),
+                     state_string, rel_string)
+    except DataError:
+        string += "(exception fetching data)"
 
     return string
 
diff --git a/src/orca/focus_tracking_presenter.py b/src/orca/focus_tracking_presenter.py
index 5a0b6ee..56bce56 100644
--- a/src/orca/focus_tracking_presenter.py
+++ b/src/orca/focus_tracking_presenter.py
@@ -563,6 +563,12 @@ class FocusTrackingPresenter(presentation_manager.PresentationManager):
                     debug.printDetails(debug.LEVEL_FINEST, "    ", event.source)
 
         except LookupError:
+            if event.type.startswith("window:deactivate"):
+                debug.println(debug.LEVEL_FINEST,
+                              "LookupError in deactivate event; clearing focus")
+                orca.setLocusOfFocus(event, None)
+                orca_state.activeWindow = None
+            return
             debug.printException(debug.LEVEL_WARNING)
             debug.println(debug.LEVEL_WARNING,
                           "LookupError above while processing event: %s" %\