🏡 Add a ChromeHomeNewTabPage

chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java

Index: chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java b/chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java
index 54e6d8543d2643b119169127e9555b034509d128..a65240b57bf636cfd12cb3f2da2e1f536c90982c 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/widget/FadingBackgroundView.java
@@ -17,6 +17,8 @@ import org.chromium.ui.interpolators.BakedBezierInterpolator;
 /**
  * This view is used to obscure content and bring focus to a foreground view (i.e. the Chrome Home
  * bottom sheet or the omnibox suggestions).
+ *
+ * If the view is disabled, then its alpha will be set to 0f and it will not receive touch events.
  */
 public class FadingBackgroundView extends View implements View.OnClickListener {
     /**
@@ -64,13 +66,23 @@ public class FadingBackgroundView extends View implements View.OnClickListener {
      * @param alpha The desired alpha for this view.
      */
     public void setViewAlpha(float alpha) {
-        if (MathUtils.areFloatsEqual(alpha, getAlpha())) return;
+        if (!isEnabled() || MathUtils.areFloatsEqual(alpha, getAlpha())) return;
 
         setAlpha(alpha);
 
         if (mOverlayAnimator != null) mOverlayAnimator.cancel();
     }
 
+    @Override
+    public void setEnabled(boolean isEnabled) {
+        super.setEnabled(isEnabled);
+
+        if (!isEnabled) {
+            if (mOverlayAnimator != null) mOverlayAnimator.cancel();
+            setAlpha(0f);
+        }
+    }
+
     /**
      * Sets the alpha for this view and alters visibility based on that value.
      * WARNING: This method should not be called externally for this view! Use setViewAlpha instead.