commit da2ba4dcba8d0d56aac3a43a52a5c0821300fcea
author Honghai Zhang <honghaiz@webrtc.org> Mon May 23 11:53:14 2016 -0700
committer Honghai Zhang <honghaiz@webrtc.org> Mon May 23 18:53:26 2016 +0000
tree 9488cc440dfa5dafa5f190b8ec0df2639d711391
parent 3ebb3efd13dea3bdabcde1f962ac2e537d247a7a

Pass around the candidate removals events in IOS clients

When local candidates are removed, signal to RTCPeerConnection
and eventually send to the remote client.
When a candidate-removal message is received, notify the native PeerConnection.

BUG=
R=tkchin@webrtc.org

Review URL: https://codereview.webrtc.org/1972483002 .

Cr-Commit-Position: refs/heads/master@{#12852}

webrtc/examples/objc/AppRTCDemo/ARDAppClient.m

diff --git a/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m b/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
index 86d18d1..8fb1841 100644
--- a/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
+++ b/webrtc/examples/objc/AppRTCDemo/ARDAppClient.m
@@ -330,6 +330,7 @@
       [_messageQueue insertObject:message atIndex:0];
       break;
     case kARDSignalingMessageTypeCandidate:
+    case kARDSignalingMessageTypeCandidateRemoval:
       [_messageQueue addObject:message];
       break;
     case kARDSignalingMessageTypeBye:
@@ -410,6 +411,16 @@
 }
 
 - (void)peerConnection:(RTCPeerConnection *)peerConnection
+    didRemoveIceCandidates:(NSArray<RTCIceCandidate *> *)candidates {
+  dispatch_async(dispatch_get_main_queue(), ^{
+    ARDICECandidateRemovalMessage *message =
+        [[ARDICECandidateRemovalMessage alloc]
+            initWithRemovedCandidates:candidates];
+    [self sendSignalingMessage:message];
+  });
+}
+
+- (void)peerConnection:(RTCPeerConnection *)peerConnection
     didOpenDataChannel:(RTCDataChannel *)dataChannel {
 }
 
@@ -573,6 +584,12 @@
       [_peerConnection addIceCandidate:candidateMessage.candidate];
       break;
     }
+    case kARDSignalingMessageTypeCandidateRemoval: {
+      ARDICECandidateRemovalMessage *candidateMessage =
+          (ARDICECandidateRemovalMessage *)message;
+      [_peerConnection removeIceCandidates:candidateMessage.candidates];
+      break;
+    }
     case kARDSignalingMessageTypeBye:
       // Other client disconnected.
       // TODO(tkchin): support waiting in room for next client. For now just