// Generated by CoffeeScript 1.12.8
(function() {
  var bind = function(fn, me){ return function(){ return fn.apply(me, arguments); }; };

  Turbolinks.ScrollManager = (function() {
    function ScrollManager(delegate) {
      this.delegate = delegate;
      this.onScroll = bind(this.onScroll, this);
      this.onScroll = Turbolinks.throttle(this.onScroll);
    }

    ScrollManager.prototype.start = function() {
      if (!this.started) {
        addEventListener("scroll", this.onScroll, false);
        this.onScroll();
        return this.started = true;
      }
    };

    ScrollManager.prototype.stop = function() {
      if (this.started) {
        removeEventListener("scroll", this.onScroll, false);
        return this.started = false;
      }
    };

    ScrollManager.prototype.scrollToElement = function(element) {
      return element.scrollIntoView();
    };

    ScrollManager.prototype.scrollToPosition = function(arg) {
      var x, y;
      x = arg.x, y = arg.y;
      return window.scrollTo(x, y);
    };

    ScrollManager.prototype.onScroll = function(event) {
      return this.updatePosition({
        x: window.pageXOffset,
        y: window.pageYOffset
      });
    };

    ScrollManager.prototype.updatePosition = function(position) {
      var ref;
      this.position = position;
      return (ref = this.delegate) != null ? ref.scrollPositionChanged(this.position) : void 0;
    };

    return ScrollManager;

  })();

}).call(this);