1 /* 2 * Copyright (C) 2022 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 NAPI_ASYNC_WORK_H 17 #define NAPI_ASYNC_WORK_H 18 19 #include "napi/native_node_api.h" 20 #include "time_hilog.h" 21 22 namespace OHOS { 23 namespace MiscServices { 24 namespace Time { 25 using NapiCbInfoParser = std::function<void(size_t argc, napi_value *argv)>; 26 using NapiExecute = std::function<void(void)>; 27 using NapiComplete = std::function<void(napi_value &)>; 28 29 struct ContextBase { 30 virtual ~ContextBase(); 31 void GetCbInfo(napi_env env, napi_callback_info info, NapiCbInfoParser parse = NapiCbInfoParser(), 32 bool sync = false); 33 34 napi_env env = nullptr; 35 napi_value output = nullptr; 36 napi_status status = napi_invalid_arg; 37 std::string errMessage; 38 int32_t errCode = 0; 39 napi_value self = nullptr; 40 41 private: 42 napi_deferred deferred = nullptr; 43 napi_async_work work = nullptr; 44 napi_ref callbackRef = nullptr; 45 napi_ref selfRef = nullptr; 46 47 NapiExecute execute = nullptr; 48 NapiComplete complete = nullptr; 49 50 static constexpr size_t ARGC_MAX = 3; 51 52 friend class NapiWork; 53 }; 54 55 class NapiWork { 56 public: 57 static napi_value AsyncEnqueue(napi_env env, ContextBase *ctxt, const std::string &name, 58 NapiExecute execute = NapiExecute(), NapiComplete complete = NapiComplete()); 59 static napi_value SyncEnqueue(napi_env env, ContextBase *ctxt, const std::string &name, 60 NapiExecute execute = NapiExecute(), NapiComplete complete = NapiComplete()); 61 62 private: 63 enum { 64 /* AsyncCallback / Promise output result index */ 65 RESULT_ERROR = 0, 66 RESULT_DATA = 1, 67 RESULT_ALL = 2 68 }; 69 static void GenerateOutput(ContextBase *ctxt); 70 static napi_value GenerateOutputSync(napi_env env, ContextBase *ctxt); 71 }; 72 } // namespace Time 73 } // namespace MiscServices 74 } // namespace OHOS 75 76 #endif // NAPI_ASYNC_WORK_H