[orca] Add a utility method to find out if the locusOfFocus is in MathML

[Joanmarie Diggs <joanied src gnome org>]

commit e1f383771f97970b07b3eec7003c39a47f29e096
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Jul 3 14:20:40 2015 -0400

    Add a utility method to find out if the locusOfFocus is in MathML

 src/orca/script_utilities.py             |    3 +++
 src/orca/scripts/web/script_utilities.py |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index b569592..345f6cc 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -606,6 +606,9 @@ class Utilities:
     def isHidden(self, obj):
         return False
 
+    def isInMath(self):
+        return False
+
     def isMath(self, obj):
         return False
 
diff --git a/src/orca/scripts/web/script_utilities.py b/src/orca/scripts/web/script_utilities.py
index 06f0885..4a816bb 100644
--- a/src/orca/scripts/web/script_utilities.py
+++ b/src/orca/scripts/web/script_utilities.py
@@ -1218,6 +1218,9 @@ class Utilities(script_utilities.Utilities):
         self._isTextBlockElement[hash(obj)] = rv
         return rv
 
+    def isInMath(self):
+        return self.isMath(orca_state.locusOfFocus)
+
     def isMath(self, obj):
         rv = self._isMath.get(hash(obj))
         if rv is not None: