https://sumairu-mama.co.jp/wp-content/themes/insp_para/framework/j…xelentity.utils.preloader.js?ver=1561346633

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 : $(el);
31				var images = (el[0].tagName.toLowerCase() == "img") ? [el[0]] : el.find("img").get();
32			
33				var image;
34				var list = [];
35				var complete;
36			
37				while ((image = images.shift())) {
38					complete = image.complete;
39					if (!(image.src && complete && !(image.src.match(/blank.png$/i) !== null && image.getAttribute("data-src")))) {
40						list.push(image);
41					}
42				}
43				
44				if (list.length > 0) {
45					var loaderInfo = {
46							target: el,
47							callback: callback,
48							total: list.length
49						};
50					
51					while ((image = list.shift())) {
52					
53						image = $(image);
54					
55						if (!noreplace && $.browser.msie && image[0].src.match(/blank.png$/i) !== null) {
56							image.removeAttr("src");
57							image.replaceWith(image.clone());
58							if (!image.attr("data-src")) {
59								// nothing to be loaded here
60								loaderInfo.total--;
61								//continue;
62							}
63						}
64				
65						if (image.data("peUtilsLoader")) {
66							image.data("peUtilsLoader").push(loaderInfo);
67						} else {
68							image.data("peUtilsLoader",[loaderInfo]);
69						}
70						
71						image
72							.one("load error",loaded);
73						 
74						if (image.attr("data-src")) {
75							image.attr("src",image.attr("data-src"));
76							image.removeAttr("data-src");
77						} else if ($.browser.msie) {
78							image.attr("src",image.attr("src"));
79						}
80						
81						image = undefined;
82						
83					}
84				} else {
85					callback(el);
86				}		
87			},
88			clear: function(el,callback) {
89				el = (el instanceof jQuery) ? el : $(el);
90				var images = (el[0].tagName.toLowerCase() == "img") ? [el[0]] : el.find("img").get();
91				var image,loaderInfo,cb;
92				while ((image = images.shift())) {
93					image = $(image);
94					while (image.data("peUtilsLoader") && (loaderInfo = image.data("peUtilsLoader").shift())) {
95						cb = loaderInfo.callback;
96						if (cb === callback) {
97							loaderInfo.callback = false;
98							break;
99						}
100					}
101				}
102
103			}
104		};
105		
106}(jQuery));