Change color of expand button on notif groups

They should use the tertiary accent color.

Fixes: 183454454
Test: visual
Change-Id: Ieb1fdfb15a9b74c77880ae7bfad19549e23f9396

1 files changed, 20 insertions, 2 deletions

diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index 5dd10f10930b..f81003e7e67a 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -5354,8 +5354,7 @@ public class Notification implements Parcelable
             contentView.setInt(R.id.expand_button, "setDefaultPillColor", pillColor);
             // Use different highlighted colors except when low-priority mode prevents that
             if (!p.mReduceHighlights) {
-                textColor = getBackgroundColor(p);
-                pillColor = getAccentColor(p);
+                pillColor = getAccentTertiaryColor(p);
             }
             contentView.setInt(R.id.expand_button, "setHighlightTextColor", textColor);
             contentView.setInt(R.id.expand_button, "setHighlightPillColor", pillColor);
@@ -6300,6 +6299,25 @@ public class Notification implements Parcelable
         }
 
         /**
+         * Gets the tertiary accent color for colored UI elements. If we're tinting with the theme
+         * accent, this comes from the tertiary system accent palette, otherwise this would be
+         * identical to {@link #getSmallIconColor(StandardTemplateParams)}.
+         */
+        private @ColorInt int getAccentTertiaryColor(StandardTemplateParams p) {
+            if (isColorized(p)) {
+                return getPrimaryTextColor(p);
+            }
+            if (mTintWithThemeAccent) {
+                int color = obtainThemeColor(com.android.internal.R.attr.colorAccentTertiary,
+                        COLOR_INVALID);
+                if (color != COLOR_INVALID) {
+                    return color;
+                }
+            }
+            return getContrastColor(p);
+        }
+
+        /**
          * Gets the theme's error color, or the primary text color for colorized notifications.
          */
         private @ColorInt int getErrorColor(StandardTemplateParams p) {