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 #ifndef SWITCH_PROVIDER_H 16 #define SWITCH_PROVIDER_H 17 18 #include "switch_observer.h" 19 #include "datashare_helper.h" 20 #include "intell_voice_generic_factory.h" 21 22 namespace OHOS { 23 namespace IntellVoiceEngine { 24 25 class SwitchProvider { 26 public: 27 bool Init(); 28 void RegisterObserver(const sptr<SwitchObserver> &observer, const std::string &key); 29 void UnregisterObserver(const sptr<SwitchObserver> &observer, const std::string &key); 30 bool QuerySwitchStatus(const std::string &key); 31 32 private: 33 SwitchProvider(); 34 ~SwitchProvider(); 35 36 std::shared_ptr<DataShare::DataShareHelper> helper_ = nullptr; 37 friend class IntellVoiceUtils::UniquePtrFactory<SwitchProvider>; 38 }; 39 } // namespace IntellVoice 40 } // namespace OHOS 41 #endif