1 /* 2 * Copyright (c) 2025 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 PROGRESS_QUEUE_H 17 #define PROGRESS_QUEUE_H 18 19 #include <queue> 20 #include "unified_types.h" 21 22 namespace OHOS::UDMF { 23 class ProgressQueue { 24 public: 25 void PushBack(ProgressInfo &progress); 26 std::pair<bool, std::shared_ptr<ProgressInfo>> Poll(); 27 bool IsCancel() const; 28 void Cancel(); 29 void SetClearable(const bool clearableFlag); 30 bool Clear(); 31 bool IsClear() const; 32 33 ProgressQueue() = default; 34 ~ProgressQueue() = default; 35 ProgressQueue(const ProgressQueue& other) = delete; 36 ProgressQueue& operator=(const ProgressQueue& other) = delete; 37 ProgressQueue(ProgressQueue &&other) = delete; 38 ProgressQueue& operator=(ProgressQueue &&other) = delete; 39 private: 40 bool cancelFlag_ = false; 41 bool clearableFlag_ = true; 42 std::queue<ProgressInfo> queue_; 43 mutable std::mutex mutex_; 44 }; 45 46 } // namespace OHOS::UDMF 47 #endif // PROGRESS_QUEUE_H