/* * Copyright (c) 2023 Huawei Device Co., Ltd. * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef CALLBACK_HANDLER_H #define CALLBACK_HANDLER_H #include #include namespace OHOS { namespace AudioStandard { class IHandler { public: virtual ~IHandler() = default; virtual void OnHandle(uint32_t code, int64_t data) = 0; }; class CallbackHandler { public: virtual ~CallbackHandler() = default; static std::shared_ptr GetInstance(std::shared_ptr iHandler, const std::string &handlerName); virtual void SendCallbackEvent(uint32_t code, int64_t data) = 0; virtual void SendCallbackEvent(uint32_t eventCode, int64_t data, int64_t delayTime) = 0; virtual void ReleaseEventRunner() = 0; }; } // namespace AudioStandard } // namespace OHOS #endif // CALLBACK_HANDLER_H