webrtc-adapter/dist/adapter_factory.js

A shim to insulate apps from WebRTC spec changes and browser prefix differences

"use strict";

function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.adapterFactory = adapterFactory;
var utils = _interopRequireWildcard(require("./utils"));
var chromeShim = _interopRequireWildcard(require("./chrome/chrome_shim"));
var firefoxShim = _interopRequireWildcard(require("./firefox/firefox_shim"));
var safariShim = _interopRequireWildcard(require("./safari/safari_shim"));
var commonShim = _interopRequireWildcard(require("./common_shim"));
var sdp = _interopRequireWildcard(require("sdp"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function _interopRequireWildcard(e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, "default": e }; if (null === e || "object" != _typeof(e) && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (var _t in e) "default" !== _t && {}.hasOwnProperty.call(e, _t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, _t)) && (i.get || i.set) ? o(f, _t, i) : f[_t] = e[_t]); return f; })(e, t); }
/*
 *  Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree.
 */

// Browser shims.

// Shimming starts here.
function adapterFactory() {
  var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
    window = _ref.window;
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {
    shimChrome: true,
    shimFirefox: true,
    shimSafari: true
  };
  // Utils.
  var logging = utils.log;
  var browserDetails = utils.detectBrowser(window);
  var adapter = {
    browserDetails: browserDetails,
    commonShim: commonShim,
    extractVersion: utils.extractVersion,
    disableLog: utils.disableLog,
    disableWarnings: utils.disableWarnings,
    // Expose sdp as a convenience. For production apps include directly.
    sdp: sdp
  };

  // Shim browser if found.
  switch (browserDetails.browser) {
    case 'chrome':
      if (!chromeShim || !chromeShim.shimPeerConnection || !options.shimChrome) {
        logging('Chrome shim is not included in this adapter release.');
        return adapter;
      }
      if (browserDetails.version === null) {
        logging('Chrome shim can not determine version, not shimming.');
        return adapter;
      }
      logging('adapter.js shimming chrome.');
      // Export to the adapter global object visible in the browser.
      adapter.browserShim = chromeShim;

      // Must be called before shimPeerConnection.
      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
      chromeShim.shimGetUserMedia(window, browserDetails);
      chromeShim.shimMediaStream(window, browserDetails);
      chromeShim.shimPeerConnection(window, browserDetails);
      chromeShim.shimOnTrack(window, browserDetails);
      chromeShim.shimAddTrackRemoveTrack(window, browserDetails);
      chromeShim.shimGetSendersWithDtmf(window, browserDetails);
      chromeShim.shimSenderReceiverGetStats(window, browserDetails);
      chromeShim.fixNegotiationNeeded(window, browserDetails);
      commonShim.shimRTCIceCandidate(window, browserDetails);
      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
      commonShim.shimConnectionState(window, browserDetails);
      commonShim.shimMaxMessageSize(window, browserDetails);
      commonShim.shimSendThrowTypeError(window, browserDetails);
      commonShim.removeExtmapAllowMixed(window, browserDetails);
      break;
    case 'firefox':
      if (!firefoxShim || !firefoxShim.shimPeerConnection || !options.shimFirefox) {
        logging('Firefox shim is not included in this adapter release.');
        return adapter;
      }
      logging('adapter.js shimming firefox.');
      // Export to the adapter global object visible in the browser.
      adapter.browserShim = firefoxShim;

      // Must be called before shimPeerConnection.
      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
      firefoxShim.shimGetUserMedia(window, browserDetails);
      firefoxShim.shimPeerConnection(window, browserDetails);
      firefoxShim.shimOnTrack(window, browserDetails);
      firefoxShim.shimRemoveStream(window, browserDetails);
      firefoxShim.shimSenderGetStats(window, browserDetails);
      firefoxShim.shimReceiverGetStats(window, browserDetails);
      firefoxShim.shimRTCDataChannel(window, browserDetails);
      firefoxShim.shimAddTransceiver(window, browserDetails);
      firefoxShim.shimGetParameters(window, browserDetails);
      firefoxShim.shimCreateOffer(window, browserDetails);
      firefoxShim.shimCreateAnswer(window, browserDetails);
      commonShim.shimRTCIceCandidate(window, browserDetails);
      commonShim.shimConnectionState(window, browserDetails);
      commonShim.shimMaxMessageSize(window, browserDetails);
      commonShim.shimSendThrowTypeError(window, browserDetails);
      break;
    case 'safari':
      if (!safariShim || !options.shimSafari) {
        logging('Safari shim is not included in this adapter release.');
        return adapter;
      }
      logging('adapter.js shimming safari.');
      // Export to the adapter global object visible in the browser.
      adapter.browserShim = safariShim;

      // Must be called before shimCallbackAPI.
      commonShim.shimAddIceCandidateNullOrEmpty(window, browserDetails);
      commonShim.shimParameterlessSetLocalDescription(window, browserDetails);
      safariShim.shimRTCIceServerUrls(window, browserDetails);
      safariShim.shimCreateOfferLegacy(window, browserDetails);
      safariShim.shimCallbacksAPI(window, browserDetails);
      safariShim.shimLocalStreamsAPI(window, browserDetails);
      safariShim.shimRemoteStreamsAPI(window, browserDetails);
      safariShim.shimTrackEventTransceiver(window, browserDetails);
      safariShim.shimGetUserMedia(window, browserDetails);
      safariShim.shimAudioContext(window, browserDetails);
      commonShim.shimRTCIceCandidate(window, browserDetails);
      commonShim.shimRTCIceCandidateRelayProtocol(window, browserDetails);
      commonShim.shimMaxMessageSize(window, browserDetails);
      commonShim.shimSendThrowTypeError(window, browserDetails);
      commonShim.removeExtmapAllowMixed(window, browserDetails);
      break;
    default:
      logging('Unsupported browser!');
      break;
  }
  return adapter;
}