[orca] Don't clear cache on the active window for focused event

[Joanmarie Diggs <joanied src gnome org>]

commit 90198b95185d4baa47f0275aad69c77044afb93d
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 24 10:59:10 2018 -0400

    Don't clear cache on the active window for focused event

 src/orca/script_utilities.py |    6 ++++--
 src/orca/scripts/default.py  |    3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index e2ffecd..098ba08 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -135,7 +135,7 @@ class Utilities:
 
         return cmdline.replace("\x00", " ")
 
-    def canBeActiveWindow(self, window):
+    def canBeActiveWindow(self, window, clearCache=True):
         if not window:
             return False
 
@@ -147,7 +147,9 @@ class Utilities:
         msg = "INFO: Looking at %s from %s %s" % (window, app, self._getAppCommandLine(app))
         debug.println(debug.LEVEL_INFO, msg, True)
 
-        window.clearCache()
+        if clearCache:
+            window.clearCache()
+
         if not self._isActiveAndShowingAndNotIconified(window):
             msg = "INFO: %s is not active and showing, or is iconified" % window
             debug.println(debug.LEVEL_INFO, msg, True)
diff --git a/src/orca/scripts/default.py b/src/orca/scripts/default.py
index 673e8fc..4ae1ce5 100644
--- a/src/orca/scripts/default.py
+++ b/src/orca/scripts/default.py
@@ -2465,7 +2465,8 @@ class Script(script.Script):
             return
 
         window, dialog = self.utilities.frameAndDialog(obj)
-        if window and not self.utilities.canBeActiveWindow(window) and not dialog:
+        clearCache = window != orca_state.activeWindow
+        if window and not self.utilities.canBeActiveWindow(window, clearCache) and not dialog:
             return
 
         try: