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 #ifndef _UI_INPUT_THREAD_H 18 #define _UI_INPUT_THREAD_H 19 20 #include <utils/Thread.h> 21 22 namespace android { 23 24 /* A thread that loops continuously until destructed to process input events. 25 * 26 * Creating the InputThread starts it immediately. The thread begins looping the loop 27 * function until the InputThread is destroyed. The wake function is used to wake anything 28 * that sleeps in the loop when it is time for the thread to be destroyed. 29 */ 30 class InputThread { 31 public: 32 explicit InputThread(std::string name, std::function<void()> loop, 33 std::function<void()> wake = nullptr); 34 virtual ~InputThread(); 35 36 bool isCallingThread(); 37 38 private: 39 std::string mName; 40 std::function<void()> mThreadWake; 41 sp<Thread> mThread; 42 }; 43 44 } // namespace android 45 46 #endif // _UI_INPUT_THREAD_H