|  | /* | 
|  | *  Copyright 2014 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 <Foundation/Foundation.h> | 
|  |  | 
|  | #import "WebRTC/RTCIceCandidate.h" | 
|  | #import "WebRTC/RTCSessionDescription.h" | 
|  |  | 
|  | typedef enum { | 
|  | kARDSignalingMessageTypeCandidate, | 
|  | kARDSignalingMessageTypeCandidateRemoval, | 
|  | kARDSignalingMessageTypeOffer, | 
|  | kARDSignalingMessageTypeAnswer, | 
|  | kARDSignalingMessageTypeBye, | 
|  | } ARDSignalingMessageType; | 
|  |  | 
|  | @interface ARDSignalingMessage : NSObject | 
|  |  | 
|  | @property(nonatomic, readonly) ARDSignalingMessageType type; | 
|  |  | 
|  | + (ARDSignalingMessage *)messageFromJSONString:(NSString *)jsonString; | 
|  | - (NSData *)JSONData; | 
|  |  | 
|  | @end | 
|  |  | 
|  | @interface ARDICECandidateMessage : ARDSignalingMessage | 
|  |  | 
|  | @property(nonatomic, readonly) RTCIceCandidate *candidate; | 
|  |  | 
|  | - (instancetype)initWithCandidate:(RTCIceCandidate *)candidate; | 
|  |  | 
|  | @end | 
|  |  | 
|  | @interface ARDICECandidateRemovalMessage : ARDSignalingMessage | 
|  |  | 
|  | @property(nonatomic, readonly) NSArray<RTCIceCandidate *> *candidates; | 
|  |  | 
|  | - (instancetype)initWithRemovedCandidates: | 
|  | (NSArray<RTCIceCandidate *> *)candidates; | 
|  |  | 
|  | @end | 
|  |  | 
|  | @interface ARDSessionDescriptionMessage : ARDSignalingMessage | 
|  |  | 
|  | @property(nonatomic, readonly) RTCSessionDescription *sessionDescription; | 
|  |  | 
|  | - (instancetype)initWithDescription:(RTCSessionDescription *)description; | 
|  |  | 
|  | @end | 
|  |  | 
|  | @interface ARDByeMessage : ARDSignalingMessage | 
|  | @end |