1 /* 2 * Copyright (c) 2022 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 OHOS_EVENTHANDLER_H 17 #define OHOS_EVENTHANDLER_H 18 19 #include <string> 20 #include <memory> 21 22 #include "event_queue.h" 23 #include "event_runner.h" 24 25 namespace OHOS { 26 namespace AppExecFwk { 27 class EventHandler { 28 public: 29 using Callback = std::function<void()>; 30 using Priority = EventQueue::Priority; 31 EventHandler()32 EventHandler() {}; 33 explicit EventHandler(const std::shared_ptr<EventRunner> &runner = nullptr) {}; ~EventHandler()34 virtual ~EventHandler() {}; 35 Current()36 static std::shared_ptr<EventHandler> Current() 37 { 38 return nullptr; 39 } 40 RemoveTask(const std::string & name)41 void RemoveTask(const std::string &name) 42 { 43 return; 44 } 45 46 inline bool PostTask(const Callback &callback, const std::string &name = std::string(), int64_t delayTime = 0, 47 Priority priority = Priority::LOW) 48 { 49 return true; 50 } 51 }; 52 } // namespace AppExecFwk 53 } // namespace OHOS 54 55 #endif // OHOS_EVENTHANDLER_H 56