From 6514025cecdb0e07cb92d1c4c5d8620ea15c13fc Mon Sep 17 00:00:00 2001
From: Peter Kalauskas <peskal@google.com>
Date: Tue, 14 Jun 2022 00:26:13 +0000
Subject: [PATCH] Only notify listeners when actual height changes

In ExpandableView, only update clipping and notify listeners when actual
height changes.

Test: atest com.android.systemui.statusbar.notification.row
Bug: 231054525
Change-Id: I6a27411738281b3f8ae61f78a000c4bd8e03f3bb
---
 .../statusbar/notification/row/ExpandableView.java     | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
index e042e9cb2a191..8f73b802271d5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableView.java
@@ -186,10 +186,12 @@ public abstract class ExpandableView extends FrameLayout implements Dumpable {
      * @param notifyListeners Whether the listener should be informed about the change.
      */
     public void setActualHeight(int actualHeight, boolean notifyListeners) {
-        mActualHeight = actualHeight;
-        updateClipping();
-        if (notifyListeners) {
-            notifyHeightChanged(false  /* needsAnimation */);
+        if (mActualHeight != actualHeight) {
+            mActualHeight = actualHeight;
+            updateClipping();
+            if (notifyListeners) {
+                notifyHeightChanged(false  /* needsAnimation */);
+            }
         }
     }