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 DOWNLOAD_EVENT_H 17 #define DOWNLOAD_EVENT_H 18 19 #include <string> 20 #include <unordered_set> 21 22 #include "async_call.h" 23 #include "js_common.h" 24 #include "js_task.h" 25 #include "napi/native_api.h" 26 #include "napi_utils.h" 27 #include "noncopyable.h" 28 #include "notify_interface.h" 29 30 namespace OHOS::Request { 31 class RequestEvent final { 32 public: 33 RequestEvent() = default; 34 ~RequestEvent() = default; 35 RequestEvent(RequestEvent const &) = delete; 36 void operator=(RequestEvent const &) = delete; 37 RequestEvent(RequestEvent &&) = delete; 38 RequestEvent &operator=(RequestEvent &&) = delete; 39 40 static napi_value On(napi_env env, napi_callback_info info); 41 static napi_value Off(napi_env env, napi_callback_info info); 42 static napi_value Pause(napi_env env, napi_callback_info info); 43 static napi_value QueryMimeType(napi_env env, napi_callback_info info); 44 static napi_value Query(napi_env env, napi_callback_info info); 45 static napi_value Remove(napi_env env, napi_callback_info info); 46 static napi_value Resume(napi_env env, napi_callback_info info); 47 static napi_value Start(napi_env env, napi_callback_info info); 48 static napi_value Stop(napi_env env, napi_callback_info info); 49 static std::map<Reason, DownloadErrorCode> failMap_; 50 51 private: 52 struct JsParam { 53 std::string type; 54 SubscribeType subscribeType; 55 napi_value callback; 56 napi_value self; 57 JsTask *task; 58 }; 59 enum { BOOL_RES, STR_RES, INFO_RES }; 60 struct ExecContext : public AsyncCall::Context { 61 JsTask *task = nullptr; 62 bool boolRes = false; 63 std::string strRes; 64 DownloadInfo infoRes; 65 }; 66 67 using Event = std::function<int32_t(const std::shared_ptr<ExecContext> &)>; 68 static std::map<std::string, SubscribeType> supportEventsV10_; 69 static std::map<std::string, SubscribeType> supportEventsV9_; 70 static std::map<std::string, Event> requestEvent_; 71 static std::map<std::string, uint32_t> resMap_; 72 static std::map<State, DownloadStatus> stateMap_; 73 static napi_value Exec(napi_env env, napi_callback_info info, const std::string &execType); 74 75 static int32_t StartExec(const std::shared_ptr<ExecContext> &context); 76 static int32_t StopExec(const std::shared_ptr<ExecContext> &context); 77 static int32_t PauseExec(const std::shared_ptr<ExecContext> &context); 78 static int32_t QueryMimeTypeExec(const std::shared_ptr<ExecContext> &context); 79 static int32_t QueryExec(const std::shared_ptr<ExecContext> &context); 80 static int32_t RemoveExec(const std::shared_ptr<ExecContext> &context); 81 static int32_t ResumeExec(const std::shared_ptr<ExecContext> &context); 82 83 static napi_status ParseInputParameters( 84 napi_env env, size_t argc, napi_value self, const std::shared_ptr<ExecContext> &context); 85 static ExceptionError ParseOnOffParameters( 86 napi_env env, napi_callback_info info, bool IsRequiredParam, JsParam &jsParam); 87 static napi_status GetResult( 88 napi_env env, const std::shared_ptr<ExecContext> &context, const std::string &execType, napi_value &result); 89 static void GetDownloadInfo(const TaskInfo &infoRes, DownloadInfo &info); 90 static NotifyData BuildNotifyData(const std::shared_ptr<TaskInfo> &taskInfo); 91 static SubscribeType StringToSubscribeType(const std::string &type, Version version); 92 }; 93 } // namespace OHOS::Request 94 95 #endif // DOWNLOAD_EVENT_H