| /* |
| * Copyright 2016 The WebRTC Project Authors. All rights reserved. |
| * |
| * Use of this source code is governed by a BSD-style license |
| * that can be found in the LICENSE file in the root of the source |
| * tree. An additional intellectual property rights grant can be found |
| * in the file PATENTS. All contributing project authors may |
| * be found in the AUTHORS file in the root of the source tree. |
| */ |
| |
| #ifndef SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_SESSION_OBSERVER_H_ |
| #define SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_SESSION_OBSERVER_H_ |
| |
| #include "rtc_base/thread.h" |
| |
| namespace webrtc { |
| |
| // Observer interface for listening to AVAudioSession events. |
| class AudioSessionObserver { |
| public: |
| // Called when audio session interruption begins. |
| virtual void OnInterruptionBegin() = 0; |
| |
| // Called when audio session interruption ends. |
| virtual void OnInterruptionEnd() = 0; |
| |
| // Called when audio route changes. |
| virtual void OnValidRouteChange() = 0; |
| |
| // Called when the ability to play or record changes. |
| virtual void OnCanPlayOrRecordChange(bool can_play_or_record) = 0; |
| |
| virtual void OnChangedOutputVolume() = 0; |
| |
| protected: |
| virtual ~AudioSessionObserver() {} |
| }; |
| |
| } // namespace webrtc |
| |
| #endif // SDK_OBJC_NATIVE_SRC_AUDIO_AUDIO_SESSION_OBSERVER_H_ |