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_FORM_FWK_FORM_EVENT_QUEUE_H 17 #define OHOS_FORM_FWK_FORM_EVENT_QUEUE_H 18 19 #include <string> 20 #include <mutex> 21 #include <queue> 22 23 #include "status_mgr_center/form_status_common.h" 24 25 namespace OHOS { 26 namespace AppExecFwk { 27 28 class FormEventTaskInfo { 29 public: 30 FormEventTaskInfo() = default; FormEventTaskInfo(int64_t formId,FormFsmEvent formEvent,std::function<void ()> func)31 FormEventTaskInfo(int64_t formId, FormFsmEvent formEvent, std::function<void()> func) 32 : formId_(formId), formEvent_(formEvent), func_(func) 33 {} 34 getFormId()35 inline int64_t getFormId() const 36 { 37 return formId_; 38 } 39 getFormEvent()40 inline FormFsmEvent getFormEvent() const 41 { 42 return formEvent_; 43 } 44 getFunc()45 inline std::function<void()> getFunc() const 46 { 47 return func_; 48 } 49 50 protected: 51 int64_t formId_; // Form ID 52 FormFsmEvent formEvent_; // Form FSM event 53 std::function<void()> func_; // Executing Function 54 }; 55 56 class FormEventQueue final { 57 public: 58 explicit FormEventQueue(int64_t formId); 59 ~FormEventQueue(); 60 61 /** 62 * @brief Push form event to queue 63 * @param eventInfo Form event task information 64 */ 65 void PushFormEvent(FormEventTaskInfo &eventInfo); 66 67 /** 68 * @brief Pop form event from queue 69 * @param eventInfo Form event task information 70 * @return Returns true if the queue is empty, false otherwise 71 */ 72 bool PopFormEvent(FormEventTaskInfo &eventInfo); 73 74 /** 75 * @brief Check if the event queue is empty 76 * @return Returns true if the queue is empty, false otherwise 77 */ 78 bool IsEventQueueEmpty(); 79 80 /** 81 * @brief Get the event queue 82 * @return Returns the reference to the event queue 83 */ 84 const std::queue<FormEventTaskInfo> &GetEventQueue(); 85 86 private: 87 std::mutex eventQueueMutex_; 88 std::queue<FormEventTaskInfo> eventQueue_; 89 int64_t formId_; 90 }; 91 } // namespace AppExecFwk 92 } // namespace OHOS 93 #endif // OHOS_FORM_FWK_FORM_EVENT_QUEUE_H 94