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 PREFERENCES_DATA_PREFERENCES_OBSERVER_STUB_H 17 #define PREFERENCES_DATA_PREFERENCES_OBSERVER_STUB_H 18 19 #include "data_ability_observer_stub.h" 20 #include "dataobs_mgr_client.h" 21 #include "preferences_observer.h" 22 23 namespace OHOS { 24 namespace NativePreferences { 25 using DataObsMgrClient = AAFwk::DataObsMgrClient; 26 class DataPreferencesObserverStub : public AAFwk::DataAbilityObserverStub { 27 public: DataPreferencesObserverStub(const std::shared_ptr<PreferencesObserver> preferencesObserver)28 DataPreferencesObserverStub(const std::shared_ptr<PreferencesObserver> preferencesObserver) 29 : preferencesObserver_(preferencesObserver) 30 {} 31 ~DataPreferencesObserverStub()32 virtual ~DataPreferencesObserverStub() {} 33 OnChange()34 void OnChange() override {} 35 OnChangePreferences(const std::string & key)36 void OnChangePreferences(const std::string &key) override 37 { 38 std::shared_ptr<PreferencesObserver> sharedPreferencesObserver = preferencesObserver_.lock(); 39 if (sharedPreferencesObserver != nullptr) { 40 sharedPreferencesObserver->OnChange(key); 41 } 42 } 43 44 public: 45 std::weak_ptr<PreferencesObserver> preferencesObserver_; 46 }; 47 } // End of namespace NativePreferences 48 } // End of namespace OHOS 49 #endif // End of #ifndef PREFERENCES_DATA_PREFERENCES_OBSERVER_STUB_H