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 SYSTEM_BATTERY_H 17 #define SYSTEM_BATTERY_H 18 19 #include "errors.h" 20 #include "napi/native_api.h" 21 #include "napi/native_node_api.h" 22 23 #include "battery_info.h" 24 25 namespace OHOS { 26 namespace PowerMgr { 27 class SystemBattery { 28 public: 29 void GetBatteryStats(napi_env env); 30 bool CheckValueType(napi_env env, napi_value value, napi_valuetype checkType); 31 bool CreateCallbackRef(napi_env env, napi_value options); 32 33 napi_async_work asyncWork = nullptr; 34 private: 35 class Error { 36 public: 37 void SetErrorMsg(int32_t code, const std::string& msg); IsError()38 inline bool IsError() 39 { 40 return !msg_.empty() && (code_ != ERR_OK); 41 } GetCode()42 inline int32_t GetCode() 43 { 44 return code_; 45 } GetMsg()46 inline std::string GetMsg() 47 { 48 return msg_; 49 } 50 private: 51 int32_t code_ { ERR_OK }; 52 std::string msg_; 53 }; 54 55 class BatteryInfo { 56 public: 57 bool GetBatteryInfo(); 58 double GetLevel(); 59 uint32_t IsCharging(); 60 61 private: 62 int32_t capacity_ { INVALID_BATT_INT_VALUE }; 63 BatteryChargeState chargingState_; 64 }; 65 66 napi_value GetOptionsFunc(napi_env env, napi_value options, const std::string& name); 67 napi_value CreateResponse(napi_env env); 68 void SuccessCallback(napi_env env); 69 void FailCallback(napi_env env); 70 void CompleteCallback(napi_env env); 71 72 Error error_; 73 BatteryInfo batteryInfo_; 74 napi_ref successRef_ = nullptr; 75 napi_ref failRef_ = nullptr; 76 napi_ref completeRef_ = nullptr; 77 }; 78 } // namespace PowerMgr 79 } // namespace OHOS 80 81 #endif // SYSTEM_BATTERY_H 82