1 /* 2 * Copyright 2014 The WebRTC Project Authors. All rights reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #import <Foundation/Foundation.h> 12 13 #import "ARDSignalingMessage.h" 14 15 typedef NS_ENUM(NSInteger, ARDSignalingChannelState) { 16 // State when disconnected. 17 kARDSignalingChannelStateClosed, 18 // State when connection is established but not ready for use. 19 kARDSignalingChannelStateOpen, 20 // State when connection is established and registered. 21 kARDSignalingChannelStateRegistered, 22 // State when connection encounters a fatal error. 23 kARDSignalingChannelStateError 24 }; 25 26 @protocol ARDSignalingChannel; 27 @protocol ARDSignalingChannelDelegate <NSObject> 28 29 - (void)channel:(id<ARDSignalingChannel>)channel 30 didChangeState:(ARDSignalingChannelState)state; 31 32 - (void)channel:(id<ARDSignalingChannel>)channel 33 didReceiveMessage:(ARDSignalingMessage *)message; 34 35 @end 36 37 @protocol ARDSignalingChannel <NSObject> 38 39 @property(nonatomic, readonly) NSString *roomId; 40 @property(nonatomic, readonly) NSString *clientId; 41 @property(nonatomic, readonly) ARDSignalingChannelState state; 42 @property(nonatomic, weak) id<ARDSignalingChannelDelegate> delegate; 43 44 // Registers the channel for the given room and client id. 45 - (void)registerForRoomId:(NSString *)roomId 46 clientId:(NSString *)clientId; 47 48 // Sends signaling message over the channel. 49 - (void)sendMessage:(ARDSignalingMessage *)message; 50 51 @end 52 53