1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.launcher3.util;
18 
19 import android.view.MotionEvent;
20 
21 import java.io.PrintWriter;
22 
23 public interface TouchController {
24 
25     /**
26      * Called when the draglayer receives touch event.
27      */
onControllerTouchEvent(MotionEvent ev)28     boolean onControllerTouchEvent(MotionEvent ev);
29 
30     /**
31      * Called when the draglayer receives a intercept touch event.
32      */
onControllerInterceptTouchEvent(MotionEvent ev)33     boolean onControllerInterceptTouchEvent(MotionEvent ev);
34 
dump(String prefix, PrintWriter writer)35     default void dump(String prefix, PrintWriter writer) { }
36 }
37