/*
 *  Copyright 2015 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.
 */

#import "WebRTC/RTCMediaStreamTrack.h"

#include "webrtc/api/mediastreaminterface.h"

typedef NS_ENUM(NSInteger, RTCMediaStreamTrackType) {
  RTCMediaStreamTrackTypeAudio,
  RTCMediaStreamTrackTypeVideo,
};

NS_ASSUME_NONNULL_BEGIN

@interface RTCMediaStreamTrack ()

/**
 * The native MediaStreamTrackInterface passed in or created during
 * construction.
 */
@property(nonatomic, readonly)
    rtc::scoped_refptr<webrtc::MediaStreamTrackInterface> nativeTrack;

/**
 * Initialize an RTCMediaStreamTrack from a native MediaStreamTrackInterface.
 */
- (instancetype)initWithNativeTrack:
    (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)nativeTrack
                               type:(RTCMediaStreamTrackType)type
    NS_DESIGNATED_INITIALIZER;

- (instancetype)initWithNativeTrack:
    (rtc::scoped_refptr<webrtc::MediaStreamTrackInterface>)nativeTrack;

- (BOOL)isEqualToTrack:(RTCMediaStreamTrack *)track;

+ (webrtc::MediaStreamTrackInterface::TrackState)nativeTrackStateForState:
    (RTCMediaStreamTrackState)state;

+ (RTCMediaStreamTrackState)trackStateForNativeState:
    (webrtc::MediaStreamTrackInterface::TrackState)nativeState;

+ (NSString *)stringForState:(RTCMediaStreamTrackState)state;

@end

NS_ASSUME_NONNULL_END