[orca] Be sure mouse review object is in current document before presenting it

[Joanmarie Diggs <joanied src gnome org>]

commit 09cf314b55b9cf70595caa1450e1ac176e529fa2
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Jul 8 12:29:54 2019 -0400

    Be sure mouse review object is in current document before presenting it

 src/orca/mouse_review.py | 5 +++++
 1 file changed, 5 insertions(+)
---
diff --git a/src/orca/mouse_review.py b/src/orca/mouse_review.py
index ef246562a..ade98d3d8 100644
--- a/src/orca/mouse_review.py
+++ b/src/orca/mouse_review.py
@@ -422,6 +422,11 @@ class MouseReviewer:
                 debug.println(debug.LEVEL_INFO, msg, True)
                 return
 
+        if document and obj and document != script.utilities.getContainingDocument(obj):
+            msg = "MOUSE REVIEW: %s is not in active document %s" % (obj, document)
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return
+
         if obj and obj.getRole() in script.utilities.getCellRoles() \
            and script.utilities.shouldReadFullRow(obj):
             isRow = lambda x: x and x.getRole() == pyatspi.ROLE_TABLE_ROW