// Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

part of $LIBRARYNAME;

$(ANNOTATIONS)$(NATIVESPEC)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS {
  factory $CLASSNAME(Map rtcIceServers, [Map mediaConstraints]) {
    var constructorName = JS('RtcPeerConnection', 'window[#]',
        '${Device.propertyPrefix}RTCPeerConnection');
    if (mediaConstraints != null) {
      return JS('RtcPeerConnection', 'new #(#,#)', constructorName,
          convertDartToNative_SerializedScriptValue(rtcIceServers),
          convertDartToNative_SerializedScriptValue(mediaConstraints));
    } else {
      return JS('RtcPeerConnection', 'new #(#)', constructorName,
          convertDartToNative_SerializedScriptValue(rtcIceServers));
    }
  }

  /**
   * Checks if Real Time Communication (RTC) APIs are supported and enabled on
   * the current platform.
   */
  static bool get supported {
    // Currently in Firefox some of the RTC elements are defined but throw an
    // error unless the user has specifically enabled them in their
    // about:config. So we have to construct an element to actually test if RTC
    // is supported at the given time.
    try {
      new RtcPeerConnection(
          {"iceServers": [ {"url":"stun:localhost"}]});
      return true;
    } catch (_) { return false;}
    return false;
  }
  Future<RtcSessionDescription> createOffer([Map mediaConstraints]) {
    var completer = new Completer<RtcSessionDescription>();
    _createOffer(
        (value) { completer.complete(value); },
        (error) { completer.completeError(error); }, mediaConstraints);
    return completer.future;
  }

  Future<RtcSessionDescription> createAnswer([Map mediaConstraints]) {
    var completer = new Completer<RtcSessionDescription>();
    _createAnswer(
        (value) { completer.complete(value); },
        (error) { completer.completeError(error); }, mediaConstraints);
    return completer.future;
  }

  /**
  * Temporarily exposes _getStats and old getStats as getLegacyStats until Chrome fully supports
  * new getStats API.
  */
  Future<RtcStatsResponse> getLegacyStats([MediaStreamTrack selector]) {
    var completer = new Completer<RtcStatsResponse>();
    _getStats((value) {
      completer.complete(value);
    }, selector);
    return completer.future;
  }
  @JSName('getStats')
  Future _getStats(
      [RtcStatsCallback successCallback, MediaStreamTrack selector]) native;

  static Future generateCertificate(/*AlgorithmIdentifier*/ keygenAlgorithm) =>
      JS('dynamic', 'generateCertificate(#)', keygenAlgorithm);

$!MEMBERS
}