1 /* 2 * Copyright (c) 2021-2022 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 #ifndef BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_REMOTE_DEATH_RECIPIENT_H 16 #define BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_REMOTE_DEATH_RECIPIENT_H 17 18 #include <functional> 19 20 #include "iremote_object.h" 21 #include "refbase.h" 22 23 namespace OHOS { 24 namespace Notification { 25 class RemoteDeathRecipient : public IRemoteObject::DeathRecipient { 26 public: 27 /** 28 * The constructor. 29 * @param callback Indicates the callback. 30 */ RemoteDeathRecipient(std::function<void (const wptr<IRemoteObject> &)> callback)31 explicit RemoteDeathRecipient(std::function<void(const wptr<IRemoteObject> &)> callback) 32 { 33 callback_ = callback; 34 } 35 36 /** 37 * The deconstructor. 38 */ ~RemoteDeathRecipient()39 ~RemoteDeathRecipient() 40 { 41 callback_ = nullptr; 42 } 43 44 /** 45 * Obtains the death event. Inherited from IRemoteObject::DeathRecipient. 46 * @param object Indicates the death object. 47 */ OnRemoteDied(const wptr<IRemoteObject> & object)48 void OnRemoteDied(const wptr<IRemoteObject> &object) 49 { 50 if (callback_ != nullptr) { 51 callback_(object); 52 } 53 } 54 55 private: 56 std::function<void(const wptr<IRemoteObject> &)> callback_; 57 }; 58 } // namespace Notification 59 } // namespace OHOS 60 61 #endif // BASE_NOTIFICATION_DISTRIBUTED_NOTIFICATION_SERVICE_SERVICES_ANS_INCLUDE_REMOTE_DEATH_RECIPIENT_H