Add m-esr52 at 52.6.0

1 files changed, 33 insertions, 0 deletions

diff --git a/mobile/android/base/java/org/mozilla/gecko/util/ViewUtil.java b/mobile/android/base/java/org/mozilla/gecko/util/ViewUtil.java
new file mode 100644
index 000000000..180e821e7
--- /dev/null
+++ b/mobile/android/base/java/org/mozilla/gecko/util/ViewUtil.java
@@ -0,0 +1,33 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+package org.mozilla.gecko.util;
+
+import android.content.res.TypedArray;
+import android.view.View;
+
+import org.mozilla.gecko.AppConstants;
+import org.mozilla.gecko.R;
+
+public class ViewUtil {
+
+    /**
+     * Enable a circular touch ripple for a given view. This is intended for borderless views,
+     * such as (3-dot) menu buttons.
+     *
+     * Because of platform limitations a square ripple is used on Android 4.
+     */
+    public static void enableTouchRipple(View view) {
+        final TypedArray backgroundDrawableArray;
+        if (AppConstants.Versions.feature21Plus) {
+            backgroundDrawableArray = view.getContext().obtainStyledAttributes(new int[] { R.attr.selectableItemBackgroundBorderless });
+        } else {
+            backgroundDrawableArray = view.getContext().obtainStyledAttributes(new int[] { R.attr.selectableItemBackground });
+        }
+
+        // This call is deprecated, but the replacement setBackground(Drawable) isn't available
+        // until API 16.
+        view.setBackgroundDrawable(backgroundDrawableArray.getDrawable(0));
+    }
+}