1 /* 2 * Copyright (C) 2021 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 CELLULAR_DATA_ROAMING_OBSERVER_H 17 #define CELLULAR_DATA_ROAMING_OBSERVER_H 18 19 #include "data_ability_observer_stub.h" 20 #include "event_handler.h" 21 22 namespace OHOS { 23 namespace Telephony { 24 class CellularDataRoamingObserver : public AAFwk::DataAbilityObserverStub { 25 public: 26 explicit CellularDataRoamingObserver( 27 std::shared_ptr<AppExecFwk::EventHandler> &&cellularDataHandler, int32_t slotId); 28 ~CellularDataRoamingObserver(); 29 void OnChange() override; 30 31 private: 32 std::shared_ptr<AppExecFwk::EventHandler> cellularDataHandler_; 33 const int32_t slotId_; 34 }; 35 } // namespace Telephony 36 } // namespace OHOS 37 #endif // CELLULAR_DATA_ROAMING_OBSERVER_H 38