[orca] Don't exit focus mode when navigating to/amongst radio buttons

[Joanmarie Diggs <joanied src gnome org>]

commit 540da889dab6ecb67cff4a2780738538116018ef
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Jun 29 11:43:08 2018 -0400

    Don't exit focus mode when navigating to/amongst radio buttons

 src/orca/scripts/web/script.py | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/orca/scripts/web/script.py b/src/orca/scripts/web/script.py
index eeb9751bd..b2a7c908c 100644
--- a/src/orca/scripts/web/script.py
+++ b/src/orca/scripts/web/script.py
@@ -769,6 +769,11 @@ class Script(default.Script):
             debug.println(debug.LEVEL_INFO, msg, True)
             return True
 
+        if self._inFocusMode and obj.getRole() == pyatspi.ROLE_RADIO_BUTTON:
+            msg = "WEB: Staying in focus mode due to role of %s" % obj
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return True
+
         msg = "WEB: Not using focus mode for %s due to lack of cause" % obj
         debug.println(debug.LEVEL_INFO, msg, True)
         return False