1/* 2 * Copyright (c) 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 16#ifndef IAUDIO_EVENT_CALLBACK_H 17#define IAUDIO_EVENT_CALLBACK_H 18 19#include "audio_event.h" 20namespace OHOS { 21namespace DistributedHardware { 22class IAudioEventCallback { 23public: 24 virtual ~IAudioEventCallback() = default; 25 virtual void NotifyEvent(const AudioEvent &event) = 0; 26}; 27} // DistributedHardware 28} // OHOS 29#endif // IAUDIO_EVENT_CALLBACK_H 30