RTCDTMFSender* RTCPeerConnection::createDTMFSender(MediaStreamTrack* track, ExceptionState& exceptionState)
{
if (throwExceptionIfSignalingStateClosed(m_signalingState, exceptionState))
return nullptr;
if (!track) {
exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(1, "MediaStreamTrack"));
return nullptr;
}
if (!hasLocalStreamWithTrackId(track->id())) {
exceptionState.throwDOMException(SyntaxError, "No local stream is available for the track provided.");
return nullptr;
}
RTCDTMFSender* dtmfSender = RTCDTMFSender::create(executionContext(), m_peerHandler.get(), track, exceptionState);
if (exceptionState.hadException())
return nullptr;
return dtmfSender;
}
PassRefPtr<RTCDTMFSender> RTCPeerConnection::createDTMFSender(PassRefPtr<MediaStreamTrack> prpTrack, ExceptionCode& ec)
{
if (m_signalingState == SignalingStateClosed) {
ec = INVALID_STATE_ERR;
return nullptr;
}
if (!prpTrack) {
ec = TypeError;
return nullptr;
}
RefPtr<MediaStreamTrack> track = prpTrack;
if (!hasLocalStreamWithTrackId(track->id())) {
ec = SYNTAX_ERR;
return nullptr;
}
RefPtr<RTCDTMFSender> dtmfSender = RTCDTMFSender::create(scriptExecutionContext(), m_peerHandler.get(), track.release(), ec);
if (ec)
return nullptr;
return dtmfSender.release();
}
