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 "RTCICECandidate+internal.h"
35#import "RTCMediaStream+internal.h"
36#import "RTCEnumConverter.h"
37
38namespace webrtc {
39
40RTCPeerConnectionObserver::RTCPeerConnectionObserver(
41    id<RTCPeerConnectionDelegate> delegate) {
42  _delegate = delegate;
43}
44
45void RTCPeerConnectionObserver::SetPeerConnection(
46    RTCPeerConnection *peerConnection) {
47  _peerConnection = peerConnection;
48}
49
50void RTCPeerConnectionObserver::OnError() {
51  [_delegate peerConnectionOnError:_peerConnection];
52}
53
54void RTCPeerConnectionObserver::OnSignalingChange(
55    PeerConnectionInterface::SignalingState new_state) {
56  [_delegate peerConnection:_peerConnection
57      signalingStateChanged:
58          [RTCEnumConverter convertSignalingStateToObjC:new_state]];
59}
60
61void RTCPeerConnectionObserver::OnAddStream(MediaStreamInterface* stream) {
62  RTCMediaStream* mediaStream =
63      [[RTCMediaStream alloc] initWithMediaStream:stream];
64  [_delegate peerConnection:_peerConnection addedStream:mediaStream];
65}
66
67void RTCPeerConnectionObserver::OnRemoveStream(MediaStreamInterface* stream) {
68  RTCMediaStream* mediaStream =
69      [[RTCMediaStream alloc] initWithMediaStream:stream];
70  [_delegate peerConnection:_peerConnection removedStream:mediaStream];
71}
72
73void RTCPeerConnectionObserver::OnDataChannel(
74    DataChannelInterface* data_channel) {
75  // TODO(hughv): Implement for future version.
76}
77
78void RTCPeerConnectionObserver::OnRenegotiationNeeded() {
79  [_delegate peerConnectionOnRenegotiationNeeded:_peerConnection];
80}
81
82void RTCPeerConnectionObserver::OnIceConnectionChange(
83    PeerConnectionInterface::IceConnectionState new_state) {
84  [_delegate peerConnection:_peerConnection
85       iceConnectionChanged:
86           [RTCEnumConverter convertIceConnectionStateToObjC:new_state]];
87}
88
89void RTCPeerConnectionObserver::OnIceGatheringChange(
90    PeerConnectionInterface::IceGatheringState new_state) {
91  [_delegate peerConnection:_peerConnection
92        iceGatheringChanged:
93            [RTCEnumConverter convertIceGatheringStateToObjC:new_state]];
94}
95
96void RTCPeerConnectionObserver::OnIceCandidate(
97    const IceCandidateInterface* candidate) {
98  RTCICECandidate* iceCandidate =
99      [[RTCICECandidate alloc] initWithCandidate:candidate];
100  [_delegate peerConnection:_peerConnection gotICECandidate:iceCandidate];
101}
102
103} // namespace webrtc
104