bigbluebutton-Github/bigbluebutton-html5/imports/ui/components/deskshare/service.js

import Deskshare from '/imports/api/deskshare';
import {vertoWatchVideo} from '/imports/api/verto';
import Auth from '/imports/ui/services/auth';

// when the meeting information has been updated check to see if it was
// desksharing. If it has changed either trigger a call to receive video
// and display it, or end the call and hide the video
function isVideoBroadcasting() {
  const ds = Deskshare.findOne({});
  if (ds == null || !ds.broadcasting) {
    return false;
  }

  if (ds.broadcasting) {
    return (ds.startedBy != Auth.userID);
  } else {
    return false;
  }
}

// if remote deskshare has been ended disconnect and hide the video stream
function presenterDeskshareHasEnded() {
  // references a functiion in the global namespace inside verto_extension.js
  // that we load dynamically
  window.vertoExitVideo();
};

// if remote deskshare has been started connect and display the video stream
function presenterDeskshareHasStarted() {
  // references a functiion in the global namespace inside verto_extension.js
  // that we load dynamically
  window.vertoWatchVideo();
};

export {
  isVideoBroadcasting, presenterDeskshareHasEnded, presenterDeskshareHasStarted,
};