[orca] Web: Treat all list items inside listboxes as focus mode widgets

[Joanmarie Diggs <joanied src gnome org>]

commit e42f9f8fa9999294795a9a02e43a310150ca5b77
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Oct 29 17:46:07 2021 +0200

    Web: Treat all list items inside listboxes as focus mode widgets
    
    Heuristics can fail due to authoring.

 src/orca/scripts/web/script_utilities.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)
---
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index d7631b581..605aa70f2 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -2125,13 +2125,19 @@ class Utilities(script_utilities.Utilities):
             debug.println(debug.LEVEL_INFO, msg, True)
             return False
 
+        if role == pyatspi.ROLE_LIST_ITEM:
+            rv = pyatspi.findAncestor(obj, lambda x: x and x.getRole() == pyatspi.ROLE_LIST_BOX)
+            if rv:
+                msg = "WEB: %s is focus mode widget because it's a listbox descendant" % obj
+                debug.println(debug.LEVEL_INFO, msg, True)
+            return rv
+
         if self.isButtonWithPopup(obj):
             msg = "WEB: %s is focus mode widget because it's a button with popup" % obj
             debug.println(debug.LEVEL_INFO, msg, True)
             return True
 
         focusModeRoles = [pyatspi.ROLE_EMBEDDED,
-                          pyatspi.ROLE_LIST_ITEM,
                           pyatspi.ROLE_TABLE_CELL,
                           pyatspi.ROLE_TABLE]