Fixed a bug with the overflow number

The number didn't apply the contrast computations
and wasn't scaling when density changed.

Change-Id: Ibde116f176c3a8d20de28ab432a80d9219f75581
Fixes: 28073460

packages/SystemUI/src/com/android/systemui/statusbar/ExpandableNotificationRow.java

@@ -41,6 +41,7 @@ import android.widget.Chronometer;
 import android.widget.ImageView;
 import android.widget.RemoteViews;
 
+import com.android.internal.util.NotificationColorUtil;
 import com.android.systemui.R;
 import com.android.systemui.classifier.FalsingManager;
 import com.android.systemui.statusbar.notification.HybridNotificationView;
@@ -103,6 +104,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
     private int mMaxExpandHeight;
     private int mHeadsUpHeight;
     private View mVetoButton;
+    private int mNotificationColor;
     private boolean mClearable;
     private ExpansionLogger mLogger;
     private String mLoggingKey;
@@ -226,6 +228,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
         mPrivateLayout.onNotificationUpdated(entry);
         mPublicLayout.onNotificationUpdated(entry);
         mShowingPublicInitialized = false;
+        updateNotificationColor();
         updateClearability();
         if (mIsSummaryWithChildren) {
             recreateNotificationHeader();
@@ -603,11 +606,12 @@ public class ExpandableNotificationRow extends ActivatableNotificationView {
     }
 
     public int getNotificationColor() {
-        int color = getStatusBarNotification().getNotification().color;
-        if (color == Notification.COLOR_DEFAULT) {
-            return mContext.getColor(com.android.internal.R.color.notification_icon_default_color);
-        }
-        return color;
+        return mNotificationColor;
+    }
+
+    private void updateNotificationColor() {
+        mNotificationColor = NotificationColorUtil.resolveContrastColor(mContext,
+                getStatusBarNotification().getNotification().color);
     }
 
     public HybridNotificationView getSingleLineView() {

packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationChildrenContainer.java

@@ -663,6 +663,11 @@ public class NotificationChildrenContainer extends ViewGroup {
             addView(divider, index);
             mDividers.set(i, divider);
         }
+        removeView(mOverflowNumber);
+        mOverflowNumber = null;
+        mOverflowInvertHelper = null;
+        mGroupOverFlowState = null;
+        updateGroupOverflow();
     }
 
     public void setUserLocked(boolean userLocked) {