[orca] Several additional changes to make children-changed processing more performant

[Joanmarie Diggs <joanied src gnome org>]

commit 1c4f0fb9f83624d19ca317e56223cb97b9007e2a
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Sun Sep 27 09:01:12 2015 -0400

    Several additional changes to make children-changed processing more performant

 src/orca/scripts/web/script.py |   13 +++++++------
 1 files changed, 7 insertions(+), 6 deletions(-)
---
diff --git a/src/orca/scripts/web/script.py b/src/orca/scripts/web/script.py
index da807e8..7cc444f 100644
--- a/src/orca/scripts/web/script.py
+++ b/src/orca/scripts/web/script.py
@@ -1275,6 +1275,11 @@ class Script(default.Script):
             debug.println(debug.LEVEL_INFO, msg)
             return True
 
+        if self.utilities.isZombie(document):
+            msg = "WEB: Ignoring because %s is zombified." % document
+            debug.println(debug.LEVEL_INFO, msg)
+            return True
+
         try:
             docIsBusy = document.getState().contains(pyatspi.STATE_BUSY)
         except:
@@ -1291,13 +1296,9 @@ class Script(default.Script):
             debug.println(debug.LEVEL_INFO, msg)
             return True
 
-        if not self.utilities.inDocumentContent(event.source):
-            msg = "WEB: Event source is not in document content"
-            debug.println(debug.LEVEL_INFO, msg)
-            return False
-
         obj, offset = self.utilities.getCaretContext()
-        if obj and self.utilities.isZombie(obj):
+        contextDocument = self.utilities.getDocumentForObject(obj)
+        if obj and document == contextDocument and self.utilities.isZombie(obj):
             replicant = self.utilities.findReplicant(event.source, obj)
             if replicant:
                 # Refrain from actually touching the replicant by grabbing