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 POWERMGR_POWER_MANAGER_SYSPARAM_H 17 #define POWERMGR_POWER_MANAGER_SYSPARAM_H 18 19 #include <cstdint> 20 #include <cstring> 21 #include <functional> 22 #include <singleton.h> 23 24 namespace OHOS { 25 namespace PowerMgr { 26 class SysParam { 27 public: 28 typedef void (* BootCompletedCallback)(); 29 static void RegisterBootCompletedCallback(BootCompletedCallback&); 30 static int32_t GetIntValue(const std::string& key, int32_t def); 31 32 private: 33 static constexpr const char* KEY_BOOT_COMPLETED {"bootevent.boot.completed"}; 34 static constexpr int32_t VALUE_MAX_LEN = 32; 35 }; 36 } // namespace PowerMgr 37 } // namespace OHOS 38 #endif // POWERMGR_POWER_MANAGER_SYSPARAM_H 39