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.systemui.pip.phone;
18 
19 /**
20  * A generic interface for a touch gesture.
21  */
22 public abstract class PipTouchGesture {
23 
24     /**
25      * Handle the touch down.
26      */
onDown(PipTouchState touchState)27     void onDown(PipTouchState touchState) {}
28 
29     /**
30      * Handle the touch move, and return whether the event was consumed.
31      */
onMove(PipTouchState touchState)32     boolean onMove(PipTouchState touchState) {
33         return false;
34     }
35 
36     /**
37      * Handle the touch up, and return whether the gesture was consumed.
38      */
onUp(PipTouchState touchState)39     boolean onUp(PipTouchState touchState) {
40         return false;
41     }
42 }
43