content: /*
   * 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;
  
  import java.io.PrintWriter;
  
  public interface TouchController {
  
      /**
       * Called when the draglayer receives touch event.
       */
      boolean onControllerTouchEvent(MotionEvent ev);
  
      /**
       * Called when the draglayer receives a intercept touch event.
       */
      boolean onControllerInterceptTouchEvent(MotionEvent ev);
  
      default void dump(String prefix, PrintWriter writer) { }
  }
  