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 #include "event_listener_manager.h" 17 #include "telephony_update_event_type.h" 18 19 namespace OHOS { 20 namespace Telephony { RegisterEventListener(EventListener & eventListener)21std::optional<int32_t> EventListenerManager::RegisterEventListener(EventListener &eventListener) 22 { 23 return DelayedSingleton<EventListenerHandler>::GetInstance()->RegisterEventListener(eventListener); 24 } 25 UnregisterEventListener(int32_t slotId,const TelephonyUpdateEventType eventType)26std::optional<int32_t> EventListenerManager::UnregisterEventListener( 27 int32_t slotId, const TelephonyUpdateEventType eventType) 28 { 29 return DelayedSingleton<EventListenerHandler>::GetInstance()->UnregisterEventListener(slotId, eventType); 30 } 31 RemoveListener(TelephonyUpdateEventType eventType)32void EventListenerManager::RemoveListener(TelephonyUpdateEventType eventType) 33 { 34 DelayedSingleton<EventListenerHandler>::GetInstance()->RemoveListener(eventType); 35 } 36 } // namespace Telephony 37 } // namespace OHOS