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 RESSCHED_SCHED_CONTROLLER_OBSERVER_INCLUDE_AUDIO_OBSERVER_H 17 #define RESSCHED_SCHED_CONTROLLER_OBSERVER_INCLUDE_AUDIO_OBSERVER_H 18 19 #include <string> 20 21 #include "audio_stream_manager.h" 22 #include "audio_system_manager.h" 23 24 namespace OHOS { 25 namespace ResourceSchedule { 26 class AudioObserver : public AudioStandard::AudioRendererStateChangeCallback, 27 public AudioStandard::AudioRingerModeCallback, public AudioStandard::VolumeKeyEventCallback { 28 public: 29 void OnRendererStateChange( 30 const std::vector<std::unique_ptr<AudioStandard::AudioRendererChangeInfo>> &audioRendererChangeInfos) override; 31 void OnRingerModeUpdated(const AudioStandard::AudioRingerMode &ringerMode) override; 32 void OnVolumeKeyEvent(AudioStandard::VolumeEvent volumeEvent) override; 33 private: 34 int32_t mode_ = -1; 35 }; 36 } // namespace ResourceSchedule 37 } // namespace OHOS 38 #endif // RESSCHED_SCHED_CONTROLLER_OBSERVER_INCLUDE_AUDIO_OBSERVER_H 39