Merge pull request #287 from jitsi/disable-temasys-on-react-native

Disable Temasys on React Native

modules/RTC/JitsiRemoteTrack.js

 var RTCBrowserType = require("./RTCBrowserType");
 var RTCEvents = require("../../service/RTC/RTCEvents");
 var Statistics = require("../statistics/statistics");
-var AdapterJS = require("./adapter.screenshare");
 
 var ttfmTrackerAudioAttached = false;
 var ttfmTrackerVideoAttached = false;
         ttfmTrackerVideoAttached = true;
 
     if (RTCBrowserType.isTemasysPluginUsed()) {
+        // XXX Don't require Temasys unless it's to be used because it doesn't
+        // run on React Native, for example.
+        const AdapterJS = require("./adapter.screenshare");
+
         // FIXME: this is not working for IE11
         AdapterJS.addEvent(container, 'play', this._playCallback.bind(this));
     }

modules/RTC/RTCUtils.js

 var RTCBrowserType = require("./RTCBrowserType");
 var Resolutions = require("../../service/RTC/Resolutions");
 var RTCEvents = require("../../service/RTC/RTCEvents");
-var AdapterJS = require("./adapter.screenshare");
 var SDPUtil = require("../xmpp/SDPUtil");
 var EventEmitter = require("events");
 var screenObtainer = require("./ScreenObtainer");
 var CameraFacingMode = require("../../service/RTC/CameraFacingMode");
 var GlobalOnErrorHandler = require("../util/GlobalOnErrorHandler");
 
+// XXX Don't require Temasys unless it's to be used because it doesn't run on
+// React Native, for example.
+const AdapterJS
+    = RTCBrowserType.isTemasysPluginUsed()
+        ? require("./adapter.screenshare")
+        : undefined;
+
 var eventEmitter = new EventEmitter();
 
 var AVAILABLE_DEVICES_POLL_INTERVAL_TIME = 3000; // ms

modules/RTC/ScreenObtainer.js

 /* global chrome, $, alert */
 
-var AdapterJS = require("./adapter.screenshare");
 var GlobalOnErrorHandler = require("../util/GlobalOnErrorHandler");
 var logger = require("jitsi-meet-logger").getLogger(__filename);
 var RTCBrowserType = require("./RTCBrowserType");
                     });
             };
         } else if (RTCBrowserType.isTemasysPluginUsed()) {
+            // XXX Don't require Temasys unless it's to be used because it
+            // doesn't run on React Native, for example.
+            const AdapterJS = require("./adapter.screenshare");
+
             if (!AdapterJS.WebRTCPlugin.plugin.HasScreensharingFeature) {
                 logger.info("Screensharing not supported by this plugin " +
                     "version");