1 files changed, 26 insertions, 2 deletions
diff --git a/src/com/android/launcher3/util/TouchController.java b/src/com/android/launcher3/util/TouchController.java
index d1409c8b9..3cca21500 100644
--- a/src/com/android/launcher3/util/TouchController.java
+++ b/src/com/android/launcher3/util/TouchController.java
@@ -1,8 +1,32 @@
+/*
+ * Copyright (C) 2016 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.launcher3.util;
 
 import android.view.MotionEvent;
 
 public interface TouchController {
-    boolean onTouchEvent(MotionEvent ev);
-    boolean onInterceptTouchEvent(MotionEvent ev);
+
+    /**
+     * Called when the draglayer receives touch event.
+     */
+    boolean onControllerTouchEvent(MotionEvent ev);
+
+    /**
+     * Called when the draglayer receives a intercept touch event.
+     */
+    boolean onControllerInterceptTouchEvent(MotionEvent ev);
 }