1 /*
2  * Copyright (C) 2020 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.accessibility;
18 
19 import android.view.MotionEvent;
20 
21 import com.android.internal.annotations.GuardedBy;
22 
23 import java.util.ArrayList;
24 import java.util.List;
25 
26 public class MotionEventHelper {
27     @GuardedBy("this")
28     private final List<MotionEvent> mMotionEvents = new ArrayList<>();
29 
recycleEvents()30     public void recycleEvents() {
31         for (MotionEvent event:mMotionEvents) {
32             event.recycle();
33         }
34         synchronized (this) {
35             mMotionEvents.clear();
36         }
37     }
38 
obtainMotionEvent(long downTime, long eventTime, int action, float x, float y)39     public MotionEvent obtainMotionEvent(long downTime, long eventTime, int action, float x,
40             float y) {
41         MotionEvent event = MotionEvent.obtain(downTime, eventTime, action, x, y, 0);
42         synchronized (this) {
43             mMotionEvents.add(event);
44         }
45         return event;
46     }
47 }
48