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 #pragma once
18 
19 #include <utils/Thread.h>
20 
21 namespace android {
22 
23 /* A thread that loops continuously until destructed to process input events.
24  *
25  * Creating the InputThread starts it immediately. The thread begins looping the loop
26  * function until the InputThread is destroyed. The wake function is used to wake anything
27  * that sleeps in the loop when it is time for the thread to be destroyed.
28  */
29 class InputThread {
30 public:
31     explicit InputThread(std::string name, std::function<void()> loop,
32                          std::function<void()> wake = nullptr);
33     virtual ~InputThread();
34 
35     bool isCallingThread();
36 
37 private:
38     std::string mName;
39     std::function<void()> mThreadWake;
40     sp<Thread> mThread;
41 };
42 
43 } // namespace android
44