1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef EVENT_HANDLER_H 17 #define EVENT_HANDLER_H 18 19 #include "EventRunner.h" 20 21 namespace OHOS::AppExecFwk { 22 class EventHandler final { 23 public: 24 EventHandler() = default; 25 ~EventHandler() = default; 26 static void SetMainThreadId(std::thread::id id); 27 static bool IsCurrentRunnerThread(); 28 /** 29 * Post a task. 30 * 31 * @param callback Task callback. 32 * @param delayTime Process the event after 'delayTime' milliseconds. 33 */ 34 static bool PostTask(const Callback &callback, int64_t delayTime = 0); 35 static void Run(); 36 37 private: 38 EventHandler(const EventHandler&) = delete; 39 EventHandler &operator=(const EventHandler&) = delete; 40 }; 41 } 42 #endif // EVENT_HANDLER_H 43