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 #pragma once 18 19 #include <functional> 20 21 #include "utils/UEvent.h" 22 23 namespace android { 24 25 class UEventListener { 26 public: 27 ~UEventListener() = default; 28 29 static auto CreateInstance() -> std::shared_ptr<UEventListener>; 30 RegisterHotplugHandler(std::function<void ()> hotplug_handler)31 void RegisterHotplugHandler(std::function<void()> hotplug_handler) { 32 hotplug_handler_ = std::move(hotplug_handler); 33 } 34 35 void StopThread(); 36 37 private: 38 UEventListener() = default; 39 40 void ThreadFn(const std::shared_ptr<UEventListener> &uel); 41 42 std::unique_ptr<UEvent> uevent_; 43 44 std::function<void()> hotplug_handler_; 45 }; 46 } // namespace android 47