/**

* angular-strap

* @version v2.3.1 - 2015-07-19

* @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;

} ]);