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 #include "InputThread.h"
18
19 namespace android {
20
21 namespace {
22
23 // Implementation of Thread from libutils.
24 class InputThreadImpl : public Thread {
25 public:
InputThreadImpl(std::function<void ()> loop)26 explicit InputThreadImpl(std::function<void()> loop)
27 : Thread(/* canCallJava */ true), mThreadLoop(loop) {}
28
~InputThreadImpl()29 ~InputThreadImpl() {}
30
31 private:
32 std::function<void()> mThreadLoop;
33
threadLoop()34 bool threadLoop() override {
35 mThreadLoop();
36 return true;
37 }
38 };
39
40 } // namespace
41
InputThread(std::string name,std::function<void ()> loop,std::function<void ()> wake)42 InputThread::InputThread(std::string name, std::function<void()> loop, std::function<void()> wake)
43 : mName(name), mThreadWake(wake) {
44 mThread = new InputThreadImpl(loop);
45 mThread->run(mName.c_str(), ANDROID_PRIORITY_URGENT_DISPLAY);
46 }
47
~InputThread()48 InputThread::~InputThread() {
49 mThread->requestExit();
50 if (mThreadWake) {
51 mThreadWake();
52 }
53 mThread->requestExitAndWait();
54 }
55
isCallingThread()56 bool InputThread::isCallingThread() {
57 return gettid() == mThread->getTid();
58 }
59
60 } // namespace android