http://www.1000joso.com/wp-content/themes/oneup/framework/js/pe/jq…xelentity.utils.preloader.js?ver=1463648979

1(function ($) {
2	/*jslint undef: false, browser: true, devel: false, eqeqeq: false, bitwise: false, white: false, plusplus: false, regexp: false */ 
3	/*global jQuery,setTimeout */
4
5	$.pixelentity = $.pixelentity || {version: '1.0.0'};
6	
7	if ($.pixelentity.preloader) {
8		return;
9	}
10	
11	function loaded(e) {
12		var image = $(e.currentTarget);
13		//var loaderInfo = image.data("peUtilsLoader");
14		var loaderInfo;
15		
16		while (image.data("peUtilsLoader") && (loaderInfo = image.data("peUtilsLoader").shift())) {
17			if (--loaderInfo.total <= 0) {
18				var cb = loaderInfo.callback;
19				var target = loaderInfo.target;
20				image.unbind("load error",loaded);
21				if (typeof cb === "function") {
22					cb(target);					
23				}
24			}
25		}
26	}
27	
28	var preloader = $.pixelentity.preloader = {
29			load: function (el,callback,noreplace) {
30				el = (el instanceof jQuery) ? el : $(el);
31				var images = (el[0].tagName.toLowerCase() == "img") ? [el[0]] : el.find("img").get();
32			
33				var image;
34				var list = [];
35				var complete;
36			
37				while ((image = images.shift())) {
38					complete = image.complete;
39					try {
40						if (!(image.src && complete && !(image.src.match(/blank.png$/i) !== null && image.getAttribute("data-src")))) {
41							list.push(image);
42						}
43					} catch (x) {
44					}					
45				}
46				
47				if (list.length > 0) {
48					var loaderInfo = {
49							target: el,
50							callback: callback,
51							total: list.length
52						};
53					
54					while ((image = list.shift())) {
55					
56						image = $(image);
57					
58						if (!noreplace && $.browser.msie && image[0].src.match(/blank.png$/i) !== null) {
59							image.removeAttr("src");
60							image.replaceWith(image.clone());
61							if (!image.attr("data-src")) {
62								// nothing to be loaded here
63								loaderInfo.total--;
64								//continue;
65							}
66						}
67				
68						if (image.data("peUtilsLoader")) {
69							image.data("peUtilsLoader").push(loaderInfo);
70						} else {
71							image.data("peUtilsLoader",[loaderInfo]);
72						}
73						
74						image
75							.one("load error",loaded);
76						 
77						if (image.attr("data-src")) {
78							image.attr("src",image.attr("data-src"));
79							image.removeAttr("data-src");
80						} else if ($.browser.msie) {
81							image.attr("src",image.attr("src"));
82						}
83						
84						image = undefined;
85						
86					}
87				} else {
88					callback(el);
89				}		
90			},
91			clear: function(el,callback) {
92				el = (el instanceof jQuery) ? el : $(el);
93				var images = (el[0].tagName.toLowerCase() == "img") ? [el[0]] : el.find("img").get();
94				var image,loaderInfo,cb;
95				while ((image = images.shift())) {
96					image = $(image);
97					while (image.data("peUtilsLoader") && (loaderInfo = image.data("peUtilsLoader").shift())) {
98						cb = loaderInfo.callback;
99						if (cb === callback) {
100							loaderInfo.callback = false;
101							break;
102						}
103					}
104				}
105
106			}
107		};
108		
109}(jQuery));