1 files changed, 71 insertions, 0 deletions
diff --git a/java/com/android/contacts/common/util/FabUtil.java b/java/com/android/contacts/common/util/FabUtil.java
new file mode 100644
index 000000000..b1bb2e653
--- /dev/null
+++ b/java/com/android/contacts/common/util/FabUtil.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.contacts.common.util;
+
+import android.content.res.Resources;
+import android.graphics.Outline;
+import android.view.View;
+import android.view.ViewOutlineProvider;
+import android.widget.ListView;
+import com.android.contacts.common.R;
+import com.android.dialer.compat.CompatUtils;
+
+/** Provides static functions to work with views */
+public class FabUtil {
+
+  private static final ViewOutlineProvider OVAL_OUTLINE_PROVIDER =
+      new ViewOutlineProvider() {
+        @Override
+        public void getOutline(View view, Outline outline) {
+          outline.setOval(0, 0, view.getWidth(), view.getHeight());
+        }
+      };
+
+  private FabUtil() {}
+
+  /**
+   * Configures the floating action button, clipping it to a circle and setting its translation z
+   *
+   * @param fabView the float action button's view
+   * @param res the resources file
+   */
+  public static void setupFloatingActionButton(View fabView, Resources res) {
+    if (CompatUtils.isLollipopCompatible()) {
+      fabView.setOutlineProvider(OVAL_OUTLINE_PROVIDER);
+      fabView.setTranslationZ(
+          res.getDimensionPixelSize(R.dimen.floating_action_button_translation_z));
+    }
+  }
+
+  /**
+   * Adds padding to the bottom of the given {@link ListView} so that the floating action button
+   * does not obscure any content.
+   *
+   * @param listView to add the padding to
+   * @param res valid resources object
+   */
+  public static void addBottomPaddingToListViewForFab(ListView listView, Resources res) {
+    final int fabPadding =
+        res.getDimensionPixelSize(R.dimen.floating_action_button_list_bottom_padding);
+    listView.setPaddingRelative(
+        listView.getPaddingStart(),
+        listView.getPaddingTop(),
+        listView.getPaddingEnd(),
+        listView.getPaddingBottom() + fabPadding);
+    listView.setClipToPadding(false);
+  }
+}