gistfile1.txt

upload: function(file) {
  var def = new $.Deferred();
  var that = this;

  var xhr = this.client.writeFile(file.name, file, {noOverwrite: true}, function(error, metadata) {
    if (error) {
      def.reject(error);
      return;
    }
    def.resolve(metadata);
  }, this.onUploadProgress);

  return def.promise();
},

getSharedUrl: function(metadata) {
  var def = new $.Deferred();
  var that = this;

  this.client.makeUrl(metadata.path, function(error, metadata) {
    if (error) {
      def.reject(error);
      return;
    }
    def.resolve(metadata);
  }, this.onSharedUrlProgress);

  return def.promise();
}


$.when(this.upload(file)).
  pipe(this.getSharedUrl).
  done(...).
  fail(...);