[orca] Clear the structural navigation cache in response to non-editable text changes

[Joanmarie Diggs <joanied src gnome org>]

commit da809fa27071d0c1a4a30212c56cd19468058239
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Jul 18 20:10:00 2016 -0400

    Clear the structural navigation cache in response to non-editable text changes

 src/orca/scripts/web/script.py |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/scripts/web/script.py b/src/orca/scripts/web/script.py
index c04e25c..9975a4d 100644
--- a/src/orca/scripts/web/script.py
+++ b/src/orca/scripts/web/script.py
@@ -1718,6 +1718,12 @@ class Script(default.Script):
         debug.println(debug.LEVEL_INFO, msg, True)
         self.utilities.clearContentCache()
 
+        document = self.utilities.getDocumentForObject(event.source)
+        if document:
+            msg = "WEB: Clearing structural navigation cache for %s" % document
+            debug.println(debug.LEVEL_INFO, msg, True)
+            self.structuralNavigation.clearCache(document)
+
         state = event.source.getState()
         if not state.contains(pyatspi.STATE_EDITABLE):
             if self._inMouseOverObject \
@@ -1777,6 +1783,12 @@ class Script(default.Script):
             self.liveRegionManager.handleEvent(event)
             return True
 
+        document = self.utilities.getDocumentForObject(event.source)
+        if document:
+            msg = "WEB: Clearing structural navigation cache for %s" % document
+            debug.println(debug.LEVEL_INFO, msg, True)
+            self.structuralNavigation.clearCache(document)
+
         text = self.utilities.queryNonEmptyText(event.source)
         if not text:
             msg = "WEB: Ignoring: Event source is not a text object"