third_party/WebKit/Source/modules/peerconnection/RTCIceCandidate.cpp

/*
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 *    may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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#include "modules/peerconnection/RTCIceCandidate.h"

#include "bindings/core/v8/ExceptionMessages.h"
#include "bindings/core/v8/ExceptionState.h"
#include "bindings/core/v8/ScriptValue.h"
#include "bindings/core/v8/V8ObjectBuilder.h"
#include "core/dom/ExceptionCode.h"
#include "core/dom/ExecutionContext.h"
#include "core/frame/UseCounter.h"
#include "modules/peerconnection/RTCIceCandidateInit.h"

namespace blink {

RTCIceCandidate* RTCIceCandidate::create(
    ExecutionContext* context,
    const RTCIceCandidateInit& candidateInit,
    ExceptionState& exceptionState) {
  if (!candidateInit.hasCandidate() || !candidateInit.candidate().length()) {
    exceptionState.throwDOMException(
        TypeMismatchError, ExceptionMessages::incorrectPropertyType(
                               "candidate", "is not a string, or is empty."));
    return nullptr;
  }

  String sdpMid;
  if (candidateInit.hasSdpMid())
    sdpMid = candidateInit.sdpMid();

  // TODO(guidou): Change default value to -1. crbug.com/614958.
  unsigned short sdpMLineIndex = 0;
  if (candidateInit.hasSdpMLineIndex())
    sdpMLineIndex = candidateInit.sdpMLineIndex();
  else
    UseCounter::count(context, UseCounter::RTCIceCandidateDefaultSdpMLineIndex);

  return new RTCIceCandidate(
      WebRTCICECandidate(candidateInit.candidate(), sdpMid, sdpMLineIndex));
}

RTCIceCandidate* RTCIceCandidate::create(WebRTCICECandidate webCandidate) {
  return new RTCIceCandidate(webCandidate);
}

RTCIceCandidate::RTCIceCandidate(WebRTCICECandidate webCandidate)
    : m_webCandidate(webCandidate) {}

String RTCIceCandidate::candidate() const {
  return m_webCandidate.candidate();
}

String RTCIceCandidate::sdpMid() const {
  return m_webCandidate.sdpMid();
}

unsigned short RTCIceCandidate::sdpMLineIndex() const {
  return m_webCandidate.sdpMLineIndex();
}

WebRTCICECandidate RTCIceCandidate::webCandidate() const {
  return m_webCandidate;
}

void RTCIceCandidate::setCandidate(String candidate) {
  m_webCandidate.setCandidate(candidate);
}

void RTCIceCandidate::setSdpMid(String sdpMid) {
  m_webCandidate.setSdpMid(sdpMid);
}

void RTCIceCandidate::setSdpMLineIndex(unsigned short sdpMLineIndex) {
  m_webCandidate.setSdpMLineIndex(sdpMLineIndex);
}

ScriptValue RTCIceCandidate::toJSONForBinding(ScriptState* scriptState) {
  V8ObjectBuilder result(scriptState);
  result.addString("candidate", m_webCandidate.candidate());
  result.addString("sdpMid", m_webCandidate.sdpMid());
  result.addNumber("sdpMLineIndex", m_webCandidate.sdpMLineIndex());
  return result.scriptValue();
}

}  // namespace blink