Current Path : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/yui-later/ |
Current File : C:/xampp/htdocs/moodle/lib/yuilib/3.17.2/yui-later/yui-later.js |
/* YUI 3.17.2 (build 9c3c78e) Copyright 2014 Yahoo! Inc. All rights reserved. Licensed under the BSD License. http://yuilibrary.com/license/ */ YUI.add('yui-later', function (Y, NAME) { /** * Provides a setTimeout/setInterval wrapper. This module is a `core` YUI module, * <a href="../classes/YUI.html#method_later">it's documentation is located under the YUI class</a>. * * @module yui * @submodule yui-later */ var NO_ARGS = []; /** * Executes the supplied function in the context of the supplied * object 'when' milliseconds later. Executes the function a * single time unless periodic is set to true. * @for YUI * @method later * @param when {Number} the number of milliseconds to wait until the fn * is executed. * @param o the context object. * @param fn {Function|String} the function to execute or the name of * the method in the 'o' object to execute. * @param data [Array] data that is provided to the function. This * accepts either a single item or an array. If an array is provided, * the function is executed with one parameter for each array item. * If you need to pass a single array parameter, it needs to be wrapped * in an array [myarray]. * * Note: native methods in IE may not have the call and apply methods. * In this case, it will work, but you are limited to four arguments. * * @param periodic {boolean} if true, executes continuously at supplied * interval until canceled. * @return {object} a timer object. Call the cancel() method on this * object to stop the timer. */ Y.later = function(when, o, fn, data, periodic) { when = when || 0; data = (!Y.Lang.isUndefined(data)) ? Y.Array(data) : NO_ARGS; o = o || Y.config.win || Y; var cancelled = false, method = (o && Y.Lang.isString(fn)) ? o[fn] : fn, wrapper = function() { // IE 8- may execute a setInterval callback one last time // after clearInterval was called, so in order to preserve // the cancel() === no more runny-run, we have to jump through // an extra hoop. if (!cancelled) { if (!method.apply) { method(data[0], data[1], data[2], data[3]); } else { method.apply(o, data || NO_ARGS); } } }, id = (periodic) ? setInterval(wrapper, when) : setTimeout(wrapper, when); return { id: id, interval: periodic, cancel: function() { cancelled = true; if (this.interval) { clearInterval(id); } else { clearTimeout(id); } } }; }; Y.Lang.later = Y.later; }, '3.17.2', {"requires": ["yui-base"]});