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1/*
2 * libjingle
3 * Copyright 2013 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 *  1. Redistributions of source code must retain the above copyright notice,
9 *     this list of conditions and the following disclaimer.
10 *  2. Redistributions in binary form must reproduce the above copyright notice,
11 *     this list of conditions and the following disclaimer in the documentation
12 *     and/or other materials provided with the distribution.
13 *  3. The name of the author may not be used to endorse or promote products
14 *     derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27
28#if !defined(__has_feature) || !__has_feature(objc_arc)
29#error "This file requires ARC support."
30#endif
31
32#import "RTCPeerConnectionObserver.h"
33
34#import "RTCDataChannel+Internal.h"
35#import "RTCEnumConverter.h"
36#import "RTCICECandidate+Internal.h"
37#import "RTCMediaStream+Internal.h"
38
39namespace webrtc {
40
41RTCPeerConnectionObserver::RTCPeerConnectionObserver(
42    RTCPeerConnection* peerConnection) {
43  _peerConnection = peerConnection;
44}
45
46RTCPeerConnectionObserver::~RTCPeerConnectionObserver() {
47}
48
49void RTCPeerConnectionObserver::OnSignalingChange(
50    PeerConnectionInterface::SignalingState new_state) {
51  RTCSignalingState state =
52      [RTCEnumConverter convertSignalingStateToObjC:new_state];
53  [_peerConnection.delegate peerConnection:_peerConnection
54                     signalingStateChanged:state];
55}
56
57void RTCPeerConnectionObserver::OnAddStream(MediaStreamInterface* stream) {
58  RTCMediaStream* mediaStream =
59      [[RTCMediaStream alloc] initWithMediaStream:stream];
60  [_peerConnection.delegate peerConnection:_peerConnection
61                               addedStream:mediaStream];
62}
63
64void RTCPeerConnectionObserver::OnRemoveStream(MediaStreamInterface* stream) {
65  RTCMediaStream* mediaStream =
66      [[RTCMediaStream alloc] initWithMediaStream:stream];
67  [_peerConnection.delegate peerConnection:_peerConnection
68                             removedStream:mediaStream];
69}
70
71void RTCPeerConnectionObserver::OnDataChannel(
72    DataChannelInterface* data_channel) {
73  RTCDataChannel* dataChannel =
74      [[RTCDataChannel alloc] initWithDataChannel:data_channel];
75  [_peerConnection.delegate peerConnection:_peerConnection
76                        didOpenDataChannel:dataChannel];
77}
78
79void RTCPeerConnectionObserver::OnRenegotiationNeeded() {
80  id<RTCPeerConnectionDelegate> delegate = _peerConnection.delegate;
81  [delegate peerConnectionOnRenegotiationNeeded:_peerConnection];
82}
83
84void RTCPeerConnectionObserver::OnIceConnectionChange(
85    PeerConnectionInterface::IceConnectionState new_state) {
86  RTCICEConnectionState state =
87      [RTCEnumConverter convertIceConnectionStateToObjC:new_state];
88  [_peerConnection.delegate peerConnection:_peerConnection
89                      iceConnectionChanged:state];
90}
91
92void RTCPeerConnectionObserver::OnIceGatheringChange(
93    PeerConnectionInterface::IceGatheringState new_state) {
94  RTCICEGatheringState state =
95      [RTCEnumConverter convertIceGatheringStateToObjC:new_state];
96  [_peerConnection.delegate peerConnection:_peerConnection
97                       iceGatheringChanged:state];
98}
99
100void RTCPeerConnectionObserver::OnIceCandidate(
101    const IceCandidateInterface* candidate) {
102  RTCICECandidate* iceCandidate =
103      [[RTCICECandidate alloc] initWithCandidate:candidate];
104  [_peerConnection.delegate peerConnection:_peerConnection
105                           gotICECandidate:iceCandidate];
106}
107
108}  // namespace webrtc
109