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 IAM_THREAD_HANDLER_H 17 #define IAM_THREAD_HANDLER_H 18 19 #include <functional> 20 21 namespace OHOS { 22 namespace UserIam { 23 namespace FaceAuth { 24 class ThreadHandler { 25 public: 26 using Task = std::function<void(void)>; 27 virtual ~ThreadHandler() = default; 28 virtual void PostTask(const Task &task) = 0; 29 virtual void EnsureTask(const Task &task) = 0; 30 static std::shared_ptr<ThreadHandler> GetSingleThreadInstance(); 31 }; 32 } // namespace FaceAuth 33 } // namespace UserIam 34 } // namespace OHOS 35 36 #endif // IAM_THREAD_HANDLER_H