ViewportMetrics.js

/**
 * Copyright 2013-2014, Facebook, Inc.
 * All rights reserved.
 *
 * This source code is licensed under the BSD-style license found in the
 * LICENSE file in the root directory of this source tree. An additional grant
 * of patent rights can be found in the PATENTS file in the same directory.
 *
 * @providesModule ViewportMetrics
 */

"use strict";

var getUnboundedScrollPosition = require('getUnboundedScrollPosition');

var ViewportMetrics = {

  currentScrollLeft: 0,

  currentScrollTop: 0,

  refreshScrollValues: function() {
    var scrollPosition = getUnboundedScrollPosition(window);
    ViewportMetrics.currentScrollLeft = scrollPosition.x;
    ViewportMetrics.currentScrollTop = scrollPosition.y;
  }

};

module.exports = ViewportMetrics;