Merge s-mpr-2022-04

Change-Id: I2325ba5c76e7dba314bdcd5b53fdc36b5e90fb31

3 files changed, 6 insertions, 4 deletions

diff --git a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsEnrollProgressBarDrawable.java b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsEnrollProgressBarDrawable.java
index b31a36ee741c..631a461b0627 100644
--- a/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsEnrollProgressBarDrawable.java
+++ b/packages/SystemUI/src/com/android/systemui/biometrics/UdfpsEnrollProgressBarDrawable.java
@@ -22,7 +22,6 @@ import android.graphics.Canvas;
 import android.graphics.ColorFilter;
 import android.graphics.Paint;
 import android.graphics.drawable.Drawable;
-import android.util.Log;
 import android.view.animation.Interpolator;
 import android.view.animation.OvershootInterpolator;
 
@@ -216,8 +215,6 @@ public class UdfpsEnrollProgressBarDrawable extends Drawable {
 
     @Override
     public void draw(@NonNull Canvas canvas) {
-        Log.d(TAG, "setEnrollmentProgress: draw");
-
         canvas.save();
 
         // Progress starts from the top, instead of the right
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
index f14cc93c2046..9f440606a365 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayoutController.java
@@ -279,11 +279,11 @@ public class NotificationStackScrollLayoutController {
 
         @Override
         public void onThemeChanged() {
-            updateShowEmptyShadeView();
             mView.updateCornerRadius();
             mView.updateBgColor();
             mView.updateDecorViews();
             mView.reinflateViews();
+            updateShowEmptyShadeView();
             updateFooter();
         }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/StackScrollAlgorithm.java b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/StackScrollAlgorithm.java
index 2c70a5fd9ce7..c4567df914f0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/StackScrollAlgorithm.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/StackScrollAlgorithm.java
@@ -376,6 +376,11 @@ public class StackScrollAlgorithm {
 
         final float stackHeight = ambientState.getStackHeight()  - shelfHeight - scrimPadding;
         final float stackEndHeight = ambientState.getStackEndHeight() - shelfHeight - scrimPadding;
+        if (stackEndHeight == 0f) {
+            // This should not happen, since even when the shade is empty we show EmptyShadeView
+            // but check just in case, so we don't return infinity or NaN.
+            return 0f;
+        }
         return stackHeight / stackEndHeight;
     }