blitz/web/bower_components/angular-strap/dist/modules/raf.js

/**
 * angular-strap
 * @version v2.3.5 - 2015-10-29
 * @link http://mgcrea.github.io/angular-strap
 * @author Olivier Louvignes <olivier@mg-crea.com> (https://github.com/mgcrea)
 * @license MIT License, http://www.opensource.org/licenses/MIT
 */
'use strict';

angular.version.minor < 3 && angular.version.dot < 14 && angular.module('ng').factory('$$rAF', [ '$window', '$timeout', function($window, $timeout) {
  var requestAnimationFrame = $window.requestAnimationFrame || $window.webkitRequestAnimationFrame || $window.mozRequestAnimationFrame;
  var cancelAnimationFrame = $window.cancelAnimationFrame || $window.webkitCancelAnimationFrame || $window.mozCancelAnimationFrame || $window.webkitCancelRequestAnimationFrame;
  var rafSupported = !!requestAnimationFrame;
  var raf = rafSupported ? function(fn) {
    var id = requestAnimationFrame(fn);
    return function() {
      cancelAnimationFrame(id);
    };
  } : function(fn) {
    var timer = $timeout(fn, 16.66, false);
    return function() {
      $timeout.cancel(timer);
    };
  };
  raf.supported = rafSupported;
  return raf;
} ]);