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 OHOS_MEDIA_NOTIFY_TASK_WORKER_H 17 #define OHOS_MEDIA_NOTIFY_TASK_WORKER_H 18 19 #include "notify_info_inner.h" 20 #include "media_change_info.h" 21 #include "notify_info.h" 22 #include "media_change_info.h" 23 24 #include <atomic> 25 #include <mutex> 26 #include <string> 27 #include <unordered_map> 28 #include <vector> 29 #include <condition_variable> 30 31 namespace OHOS { 32 namespace Media { 33 namespace Notification { 34 #define EXPORT __attribute__ ((visibility ("default"))) 35 struct NotifyTaskInfo { 36 int32_t loopedCnt_{0}; 37 std::vector<NotifyInfoInner> notifyInfos; 38 }; 39 40 class NotifyTaskWorker { 41 public: 42 EXPORT NotifyTaskWorker(); 43 EXPORT ~NotifyTaskWorker(); 44 EXPORT static std::shared_ptr<NotifyTaskWorker> GetInstance(); 45 EXPORT void StartWorker(); 46 EXPORT void AddTaskInfo(NotifyInfoInner notifyInfoInner); 47 EXPORT bool IsRunning(); 48 49 private: 50 EXPORT void HandleNotifyTaskPeriod(); 51 EXPORT void HandleNotifyTask(); 52 std::vector<MediaChangeInfo> ClassifyNotifyInfo(std::vector<NotifyTaskInfo> ¬ifyTaskInfos); 53 EXPORT void WaitForTask(); 54 EXPORT bool IsTaskInfosEmpty(); 55 EXPORT std::vector<NotifyTaskInfo> GetCurrentNotifyMap(); 56 EXPORT std::vector<NotifyInfo> MergeNotifyInfo(std::vector<MediaChangeInfo> changeInfos); 57 EXPORT void DistributeNotifyInfo(std::vector<NotifyInfo> notifyInfos); 58 59 private: 60 EXPORT static std::unordered_map<int32_t, NotifyTaskInfo> taskInfos_; 61 EXPORT static std::shared_ptr<NotifyTaskWorker> notifyTaskWorker_; 62 EXPORT static std::mutex instanceMtx_; 63 EXPORT std::atomic<bool> isThreadRunning_{false}; 64 EXPORT std::mutex workLock_; 65 EXPORT int32_t noTaskTims_ {0}; 66 EXPORT std::condition_variable workCv_; 67 EXPORT static std::mutex mapMutex_; 68 }; 69 } // namespace Notification 70 } // namespace Media 71 } // namespace OHOS 72 #endif // OHOS_MEDIA_NOTIFY_H