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_POWER_SETTING_OBSERVER_H 17 #define POWERMGR_POWER_MANAGER_POWER_SETTING_OBSERVER_H 18 19 #include "data_ability_observer_stub.h" 20 21 namespace OHOS { 22 namespace PowerMgr { 23 class SettingObserver : public AAFwk::DataAbilityObserverStub { 24 public: 25 SettingObserver(); 26 ~SettingObserver() override; 27 void OnChange() override; 28 29 void SetKey(const std::string& key); 30 const std::string& GetKey(); 31 32 using UpdateFunc = std::function<void(const std::string&)>; 33 void SetUpdateFunc(UpdateFunc& func); 34 private: 35 std::string key_ {}; 36 UpdateFunc update_ = nullptr; 37 }; 38 } // OHOS 39 } // PowerMgr 40 41 #endif // POWERMGR_POWER_MANAGER_POWER_SETTING_OBSERVER_H 42