From 3741a88710d337e1f37c87063aab71e06cba8913 Mon Sep 17 00:00:00 2001
From: Jeff DeCew <jeffdq@google.com>
Date: Tue, 7 Dec 2021 03:21:55 +0000
Subject: [PATCH] Hide notification footer when QS is expanded.

This prevents an incorrect animation that occurs if the first notification appears while QS is expanded.

Fixes: 201427195
Test: clear shade; expand QS; post notification; observe footer is never visible
Merged-In: Id00a168720a52b491ca3d2de1fbee7cf46b2a683
Change-Id: Id00a168720a52b491ca3d2de1fbee7cf46b2a683
---
 .../notification/stack/NotificationStackScrollLayout.java   | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
index 5477c19261d11..9167b08ecd0cf 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java
@@ -682,6 +682,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
         boolean showFooterView = (showDismissView || getVisibleNotificationCount() > 0)
                 && mIsCurrentUserSetup  // see: b/193149550
                 && mStatusBarState != StatusBarState.KEYGUARD
+                && mQsExpansionFraction != 1
                 && !mUnlockedScreenOffAnimationController.isScreenOffAnimationPlaying()
                 && !mIsRemoteInputActive;
         boolean showHistory = Settings.Secure.getIntForUser(mContext.getContentResolver(),
@@ -4766,6 +4767,8 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
 
     @ShadeViewRefactor(RefactorComponent.SHADE_VIEW)
     public void setQsExpansionFraction(float qsExpansionFraction) {
+        boolean footerAffected = mQsExpansionFraction != qsExpansionFraction
+                && (mQsExpansionFraction == 1 || qsExpansionFraction == 1);
         mQsExpansionFraction = qsExpansionFraction;
         updateUseRoundedRectClipping();
 
@@ -4774,6 +4777,9 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
         if (mOwnScrollY > 0) {
             setOwnScrollY((int) MathUtils.lerp(mOwnScrollY, 0, mQsExpansionFraction));
         }
+        if (footerAffected) {
+            updateFooter();
+        }
     }
 
     @ShadeViewRefactor(RefactorComponent.COORDINATOR)