From 38b15afb47feab79c8a8bc90e3daf2afcba935ac Mon Sep 17 00:00:00 2001
From: Yohei Yukawa <yukawa@google.com>
Date: Tue, 2 Feb 2016 13:50:57 -0800
Subject: [PATCH] Suppress redundant TYPE_WINDOWS_STATE_CHANGED.

Bug: 23975618
Change-Id: I5933beaa5b28404f85e100461bdeab5496eb3c0e
---
 .../accessibility/MainKeyboardAccessibilityDelegate.java      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/java/src/com/android/inputmethod/accessibility/MainKeyboardAccessibilityDelegate.java b/java/src/com/android/inputmethod/accessibility/MainKeyboardAccessibilityDelegate.java
index e80982fc7..edda32d52 100644
--- a/java/src/com/android/inputmethod/accessibility/MainKeyboardAccessibilityDelegate.java
+++ b/java/src/com/android/inputmethod/accessibility/MainKeyboardAccessibilityDelegate.java
@@ -110,7 +110,9 @@ public final class MainKeyboardAccessibilityDelegate
      * Called when the keyboard is hidden and accessibility is enabled.
      */
     public void onHideWindow() {
-        announceKeyboardHidden();
+        if (mLastKeyboardMode != KEYBOARD_IS_HIDDEN) {
+            announceKeyboardHidden();
+        }
         mLastKeyboardMode = KEYBOARD_IS_HIDDEN;
     }