uos-live.js


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(function() {

  window.UoSLive = {};

  var busStopRequests = {};

  UoSLive.getBusStopURL = function(busStop) {
    var base = "http://bus.southampton.ac.uk/bus-stop/";

    var url = base + busStop + ".json";

    return url;
  };

  UoSLive.subscribeToBusStop = function(busStop, callback) {


    var url = UoSLive.getBusStopURL(busStop);

    var req = new Pollymer.Request();

    busStopRequests[busStop] = req;

    req.recurring = true;

    req.on('finished', function(code, result, headers) {
      callback(result);
    });

    req.on('error', function(reason) {
    });

    req.maxTries = -1;

    req.start('GET', url);
  };

  UoSLive.unsubscribeToBusStop = function(busStop) {

    var req = busStopRequests[busStop];

    req.abort();

  }

})();