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 DEVICE_STATUS_NAPI_H 17 #define DEVICE_STATUS_NAPI_H 18 19 #include <map> 20 #include <uv.h> 21 22 #include "napi/native_api.h" 23 #include "napi/native_node_api.h" 24 25 #include "devicestatus_data_utils.h" 26 #include "devicestatus_callback_stub.h" 27 #include "devicestatus_event.h" 28 29 namespace OHOS { 30 namespace Msdp { 31 class DeviceStatusCallback : public DevicestatusCallbackStub { 32 public: DeviceStatusCallback(napi_env env)33 explicit DeviceStatusCallback(napi_env env) : env_(env) {} ~DeviceStatusCallback()34 virtual ~DeviceStatusCallback() {}; 35 void OnDevicestatusChanged(const DevicestatusDataUtils::DevicestatusData &devicestatusData) override; 36 static void EmitOnEvent(uv_work_t *work, int status); 37 private: 38 napi_env env_ = { nullptr }; 39 std::mutex mutex_; 40 DevicestatusDataUtils::DevicestatusData data_; 41 }; 42 43 class DeviceStatusNapi : public DeviceStatusEvent { 44 public: 45 explicit DeviceStatusNapi(napi_env env); 46 virtual ~DeviceStatusNapi(); 47 48 static napi_value Init(napi_env env, napi_value exports); 49 static napi_value SubscribeDeviceStatus(napi_env env, napi_callback_info info); 50 static napi_value SubscribeDeviceStatusCallback(napi_env env, napi_callback_info info, napi_value *args, 51 int32_t type, int32_t event, int32_t latency); 52 static napi_value UnsubscribeDeviceStatus(napi_env env, napi_callback_info info); 53 static napi_value GetDeviceStatus(napi_env env, napi_callback_info info); 54 55 static int32_t ConvertTypeToInt(const std::string &type); 56 void OnDeviceStatusChangedDone(int32_t type, int32_t value, bool isOnce); 57 static DeviceStatusNapi* GetDeviceStatusNapi(); 58 static std::map<int32_t, sptr<IdevicestatusCallback>> callbackMap_; 59 60 private: 61 static bool CheckArguments(napi_env env, napi_callback_info info); 62 static bool CheckUnsubArguments(napi_env env, napi_callback_info info); 63 static bool CheckGetArguments(napi_env env, napi_callback_info info); 64 napi_ref callbackRef_ = { nullptr }; 65 static napi_ref devicestatusValueRef_; 66 napi_env env_ = { nullptr }; 67 }; 68 } // namespace Msdp 69 } // namespace OHOS 70 #endif // DEVICESTATUS_NAPI_H 71