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 NAPI_ASYNC_CALLBACK_H 17 #define NAPI_ASYNC_CALLBACK_H 18 19 #include <map> 20 #include <memory> 21 #include <mutex> 22 #include <string> 23 #include "napi/native_api.h" 24 #include "napi_async_work.h" 25 26 namespace OHOS { 27 namespace Bluetooth { 28 class NapiCallback; 29 class NapiPromise; 30 class NapiNativeObject; 31 32 struct NapiAsyncCallback { 33 enum class Type { 34 CALLBACK = 1, 35 PROMISE, 36 }; 37 38 void CallFunction(int errCode, const std::shared_ptr<NapiNativeObject> &object); 39 napi_value GetRet(void); 40 41 Type type; 42 napi_env env; 43 std::shared_ptr<NapiCallback> callback = nullptr; 44 std::shared_ptr<NapiPromise> promise = nullptr; 45 }; 46 47 class NapiCallback { 48 public: 49 // napi_value 'callback' shall be type of napi_founction, check it use NapiIsFunction(). 50 NapiCallback(napi_env env, napi_value callback); 51 ~NapiCallback(); 52 53 void CallFunction(const std::shared_ptr<NapiNativeObject> &object); 54 void CallFunction(int errCode, const std::shared_ptr<NapiNativeObject> &object); 55 napi_env GetNapiEnv(void); 56 bool Equal(napi_env env, napi_value &callback) const; 57 std::string ToLogString(void) const; SetNapiEnvValidity(bool isValid)58 void SetNapiEnvValidity(bool isValid) 59 { 60 isValid_ = isValid; 61 } IsValidNapiEnv(void)62 bool IsValidNapiEnv(void) const 63 { 64 return isValid_; 65 } 66 67 private: 68 NapiCallback(const NapiCallback &) = delete; 69 NapiCallback &operator=(const NapiCallback &) = delete; 70 NapiCallback(NapiCallback &&) = delete; 71 NapiCallback &operator=(NapiCallback &&) noexcept = delete; 72 73 napi_env env_; 74 napi_ref callbackRef_; 75 int id_; 76 /*************************** env_cleanup_hook ********************************/ 77 bool isValid_ = true; 78 /*************************** env_cleanup_hook ********************************/ 79 }; 80 81 class NapiPromise { 82 public: 83 explicit NapiPromise(napi_env env); 84 ~NapiPromise(); 85 86 void ResolveOrReject(int errCode, const std::shared_ptr<NapiNativeObject> &object); 87 void Resolve(napi_value resolution); 88 void Reject(napi_value rejection); 89 napi_value GetPromise(void) const; SetNapiEnvValidity(bool isValid)90 void SetNapiEnvValidity(bool isValid) 91 { 92 isValid_ = isValid; 93 } IsValidNapiEnv(void)94 bool IsValidNapiEnv(void) const 95 { 96 return isValid_; 97 } 98 99 private: 100 napi_env env_; 101 napi_value promise_; 102 napi_deferred deferred_; 103 bool isResolvedOrRejected_ = false; 104 bool isValid_ = true; 105 }; 106 107 class NapiHandleScope { 108 public: 109 explicit NapiHandleScope(napi_env env); 110 ~NapiHandleScope(); 111 112 private: 113 napi_env env_; 114 napi_handle_scope scope_; 115 }; 116 117 } // namespace Bluetooth 118 } // namespace OHOS 119 #endif // NAPI_ASYNC_CALLBACK_H