[orca] Attempt to identify and ignore bogus events from background etherpad

[Joanmarie Diggs <joanied src gnome org>]

commit 21aff9d5fb6252ee44f2a29f96f1018e84576426
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Fri Feb 8 12:01:32 2019 -0500

    Attempt to identify and ignore bogus events from background etherpad

 src/orca/scripts/web/script.py | 10 ++++++++++
 1 file changed, 10 insertions(+)
---
diff --git a/src/orca/scripts/web/script.py b/src/orca/scripts/web/script.py
index 96a2d6b5c..d83975135 100644
--- a/src/orca/scripts/web/script.py
+++ b/src/orca/scripts/web/script.py
@@ -1465,6 +1465,11 @@ class Script(default.Script):
         if self.utilities.isContentEditableWithEmbeddedObjects(event.source):
             msg = "WEB: In content editable with embedded objects"
             debug.println(debug.LEVEL_INFO, msg, True)
+            if not self.utilities.eventIsFromLocusOfFocusDocument(event):
+                msg = "WEB: Event ignored: Not from locus of focus document"
+                debug.println(debug.LEVEL_INFO, msg, True)
+                return True
+
             self.utilities.setCaretContext(obj, offset)
             notify = not self.utilities.lastInputEventWasCharNav() \
                      and not self.utilities.isEntryDescendant(obj)
@@ -1874,6 +1879,11 @@ class Script(default.Script):
             debug.println(debug.LEVEL_INFO, msg, True)
             return True
 
+        if not self.utilities.eventIsFromLocusOfFocusDocument(event):
+            msg = "WEB: Event ignored: Not from locus of focus document"
+            debug.println(debug.LEVEL_INFO, msg, True)
+            return True
+
         obj, offset = self.utilities.getCaretContext()
         ancestor = self.utilities.commonAncestor(obj, event.source)
         if ancestor and self.utilities.isTextBlockElement(ancestor):