/*global jQuery, window, document*/
/*jslint nomen:true, plusplus:true*/

/*
 Original Plugin by Osvaldas Valutis, www.osvaldas.info
 http://osvaldas.info/drop-down-navigation-responsive-and-touch-friendly
 Available for use under the MIT License
 */

/**
 * jquery-doubleTapToGo widget
 * Copyright 2014 DACHCOM.DIGITAL AG
 * @author Marco Rieser
 * @author Volker Andres
 * @version 2.0.2
 * @see https://github.com/dachcom-digital/jquery-doubleTapToGo
 */
(function($){'use strict';var options={},currentTap=$(),preventClick=false,tapEvent=function(event){var $target=$(event.target).closest('li');if(!$target.hasClass(options.selectorClass)){preventClick=false;return}if($target.get(0)===currentTap.get(0)){preventClick=false;return}preventClick=true;currentTap=$target;event.stopPropagation()};$.widget('dcd.doubleTapToGo',{options:{automatic:true,selectorClass:'doubletap',selectorChain:'li:has(ul)'},_create:function(){var self=this;if(window.ontouchstart===undefined&&!window.navigator.msMaxTouchPoints&&!window.navigator.userAgent.toLowerCase().match(/windows phone os 7/i)){return}options=this.options;if(window.navigator.msPointerEnabled){this.element.get(0).addEventListener('MSPointerDown',tapEvent,false)}else if(window.navigator.pointerEnabled){this.element.get(0).addEventListener('pointerdown',tapEvent,false)}this.element.on('click','.'+this.options.selectorClass,function(event){return self._click(event)}).on('touchstart','.'+this.options.selectorClass,function(event){return self._tap(event)});this._addSelectors()},_init:function(){currentTap=$();preventClick=false},_addSelectors:function(){if(this.options.automatic!==true){return}this.element.find(this.options.selectorChain).addClass(this.options.selectorClass)},_click:function(event){if(preventClick){event.preventDefault()}else{currentTap=$()}},_tap:tapEvent,_destroy:function(){this.element.off();if(window.navigator.msPointerEnabled){this.element.get(0).removeEventListener('MSPointerDown',tapEvent)}if(window.navigator.pointerEnabled){this.element.get(0).removeEventListener('pointerdown',tapEvent)}}})}(jQuery));