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/*
* 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_