From 23e6f38eb55c8fba296b96e0bb07d7e23902c9ac Mon Sep 17 00:00:00 2001
From: Tracy Zhou <tracyzhou@google.com>
Date: Tue, 27 Aug 2024 11:34:49 -0700
Subject: [PATCH] Skip updating taskbar background alpha in phone mode

Based on https://b.corp.google.com/issues/361593564#comment4

Bug: 361593564
Test: manual
Flag: EXEMPT bugfix
Change-Id: I1b23847af707e6fa208345b87953b53f79543bfe
---
 .../android/launcher3/taskbar/TaskbarDragLayerController.java | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
index acf976fe9a..2845ceee7a 100644
--- a/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
+++ b/quickstep/src/com/android/launcher3/taskbar/TaskbarDragLayerController.java
@@ -171,6 +171,10 @@ public class TaskbarDragLayerController implements TaskbarControllers.LoggableTa
     }
 
     private void updateBackgroundAlpha() {
+        if (mActivity.isPhoneMode()) {
+            return;
+        }
+
         final float bgNavbar = mBgNavbar.value;
         final float bgTaskbar = mBgTaskbar.value * mKeyguardBgTaskbar.value
                 * mNotificationShadeBgTaskbar.value * mImeBgTaskbar.value