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/*!
* @version $Id: rokmediaqueries.js 10889 2013-05-30 07:48:35Z btowles $
* @author RocketTheme http://www.rockettheme.com
* @copyright Copyright (C) 2007 - 2020 RocketTheme, LLC
* @license http://www.gnu.org/licenses/gpl-2.0.html GNU/GPLv2 only
*/
((function(){
///*! matchMedia() polyfill - Test a CSS media type/query in JS. Authors & copyright (c) 2012: Scott Jehl, Paul Irish, Nicholas Zakas. Dual MIT/BSD license */
// matchMedia polyfill
window.matchMedia = window.matchMedia || window.msMatchMedia || (function(doc, undefined){
var bool,
docElem = doc.documentElement,
refNode = docElem.firstElementChild || docElem.firstChild,
// fakeBody required for <FF4 when executed in <head>
fakeBody = doc.createElement('body'),
div = doc.createElement('div');
div.id = 'mq-test-1';
div.style.cssText = "position:absolute;top:-100em";
fakeBody.style.background = "none";
fakeBody.appendChild(div);
return function(q){
div.innerHTML = '­<style media="'+q+'"> #mq-test-1 { width: 42px; }</style>';
docElem.insertBefore(fakeBody, refNode);
bool = div.offsetWidth == 42;
docElem.removeChild(fakeBody);
return {
matches: bool,
media: q,
addListener: function(fn){
if (!Browser.ie9 && !window.opera) return "";
if (window.retrieve('rokmediaqueries:listener:' + q.replace(/[a-z]|[(|)|:|\s|-]/gi, ''), false)) return;
window.store('rokmediaqueries:listener:' + q.replace(/[a-z]|[(|)|:|\s|-]/gi, ''), true);
window[window.addListener ? 'addListener' : 'attachEvent']('resize', function(){
var sizes = {}, length = 0, winSize, passed = false;
q.replace(/(\w+-?\w+)\s?:\s?(\d+){1,}/g, function(match, p1, p2, p3, offset, string){
sizes[p1] = p2;
length++;
});
if (!length) return;
else if (length == 1){
winSize = window.getSize();
passed = false;
Object.each(sizes, function(size, dimension){
if (dimension == 'min-width') passed += winSize.x >= size;
else if (dimension == 'max-width') passed += winSize.x <= size;
else if (dimension == 'width') passed += winSize.x == size;
});
} else if (length > 1) {
winSize = window.getSize();
passed = true;
Object.each(sizes, function(size, dimension){
if (dimension == 'min-width') passed *= winSize.x >= size;
else if (dimension == 'max-width') passed *= winSize.x <= size;
else if (dimension == 'width') passed *= winSize.x == size;
});
}
if (passed) return fn.call(fn, q);
});
}
};
};
})(document);
})());
((function(win, doc){
if (typeof RokMediaQueries != 'undefined') return;
var RokMediaQuery = new Class({
Implements: [Events, Options],
options: {
/*
onChange: function(query){},
*/
queries: [
'(min-width: 1200px)',
'(min-width: 960px) and (max-width: 1199px)',
'(min-width: 768px) and (max-width: 959px)',
'(min-width: 481px) and (max-width: 767px)',
'(max-width: 480px)'
]
},
initialize: function(options){
this.setOptions(options);
this.queries = this.options.queries;
this.queriesEvents = {};
this.timers = [];
for (var i = this.queries.length - 1; i >= 0; i--) {
var media = win.matchMedia(this.queries[i]);
media.addListener(this._fireEvent.bind(this, this.queries[i]));
this.queriesEvents[this.queries[i]] = [];
}
},
on: function(query, funct){
if (query == 'every'){
for (var i = this.queries.length - 1; i >= 0; i--) this._addOnMatch(this.queries[i], funct);
} else {
this._addOnMatch(query, funct);
}
},
add: function(query){
if (!this.queries.contains(query)){
var media;
this.queries.push(query);
media = win.matchMedia(query);
media.addListener(this._fireEvent.bind(this, query));
}
if (!this.queriesEvents[query]) this.queriesEvents[query] = [];
},
getQuery: function(){
var current = "";
for (var i = this.queries.length - 1; i >= 0; i--) {
if (win.matchMedia(this.queries[i]).matches){
current = this.queries[i];
break;
}
}
return current;
},
/* private methods */
_fireEvent: function(query){
if (!win.matchMedia(query).matches || !Object.getLength(this.queriesEvents) || !this.queriesEvents[query]) return;
for (var i = this.queriesEvents[query].length - 1; i >= 0; i--) {
this.queriesEvents[query][i].delay(5, this, query);
}
},
_addOnMatch: function(query, funct){
this.add(query);
this.queriesEvents[query].push(funct);
}
});
win.RokMediaQueries = new RokMediaQuery();
})(window, document));