254 lines
8.3 KiB
JavaScript
254 lines
8.3 KiB
JavaScript
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/*!
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* imagesLoaded PACKAGED v4.1.4
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* JavaScript is all like "You images are done yet or what?"
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* MIT License
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*/
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!(function (e, t) {
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"function" == typeof define && define.amd
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? define("ev-emitter/ev-emitter", t)
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: "object" == typeof module && module.exports
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? (module.exports = t())
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: (e.EvEmitter = t());
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})("undefined" != typeof window ? window : this, function () {
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function e() {}
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var t = e.prototype;
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return (
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(t.on = function (e, t) {
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if (e && t) {
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var i = (this._events = this._events || {}),
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n = (i[e] = i[e] || []);
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return n.indexOf(t) == -1 && n.push(t), this;
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}
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}),
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(t.once = function (e, t) {
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if (e && t) {
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this.on(e, t);
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var i = (this._onceEvents = this._onceEvents || {}),
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n = (i[e] = i[e] || {});
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return (n[t] = !0), this;
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}
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}),
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(t.off = function (e, t) {
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var i = this._events && this._events[e];
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if (i && i.length) {
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var n = i.indexOf(t);
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return n != -1 && i.splice(n, 1), this;
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}
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}),
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(t.emitEvent = function (e, t) {
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var i = this._events && this._events[e];
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if (i && i.length) {
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(i = i.slice(0)), (t = t || []);
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for (
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var n = this._onceEvents && this._onceEvents[e], o = 0;
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o < i.length;
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o++
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) {
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var r = i[o],
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s = n && n[r];
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s && (this.off(e, r), delete n[r]), r.apply(this, t);
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}
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return this;
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}
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}),
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(t.allOff = function () {
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delete this._events, delete this._onceEvents;
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}),
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e
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);
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}),
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(function (e, t) {
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"use strict";
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"function" == typeof define && define.amd
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? define(["ev-emitter/ev-emitter"], function (i) {
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return t(e, i);
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})
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: "object" == typeof module && module.exports
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? (module.exports = t(e, require("ev-emitter")))
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: (e.imagesLoaded = t(e, e.EvEmitter));
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})("undefined" != typeof window ? window : this, function (e, t) {
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function i(e, t) {
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for (var i in t) e[i] = t[i];
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return e;
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}
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function n(e) {
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if (Array.isArray(e)) return e;
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var t = "object" == typeof e && "number" == typeof e.length;
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return t ? d.call(e) : [e];
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}
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function o(e, t, r) {
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if (!(this instanceof o)) return new o(e, t, r);
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var s = e;
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return (
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"string" == typeof e && (s = document.querySelectorAll(e)),
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s
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? ((this.elements = n(s)),
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(this.options = i({}, this.options)),
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"function" == typeof t ? (r = t) : i(this.options, t),
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r && this.on("always", r),
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this.getImages(),
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h && (this.jqDeferred = new h.Deferred()),
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void setTimeout(this.check.bind(this)))
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: void a.error("Bad element for imagesLoaded " + (s || e))
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);
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}
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function r(e) {
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this.img = e;
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}
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function s(e, t) {
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(this.url = e), (this.element = t), (this.img = new Image());
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}
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var h = e.jQuery,
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a = e.console,
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d = Array.prototype.slice;
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(o.prototype = Object.create(t.prototype)),
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(o.prototype.options = {}),
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(o.prototype.getImages = function () {
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(this.images = []), this.elements.forEach(this.addElementImages, this);
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}),
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(o.prototype.addElementImages = function (e) {
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"IMG" == e.nodeName && this.addImage(e),
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this.options.background === !0 && this.addElementBackgroundImages(e);
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var t = e.nodeType;
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if (t && u[t]) {
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for (var i = e.querySelectorAll("img"), n = 0; n < i.length; n++) {
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var o = i[n];
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this.addImage(o);
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}
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if ("string" == typeof this.options.background) {
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var r = e.querySelectorAll(this.options.background);
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for (n = 0; n < r.length; n++) {
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var s = r[n];
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this.addElementBackgroundImages(s);
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}
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}
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}
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});
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var u = { 1: !0, 9: !0, 11: !0 };
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return (
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(o.prototype.addElementBackgroundImages = function (e) {
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var t = getComputedStyle(e);
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if (t)
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for (
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var i = /url\((['"])?(.*?)\1\)/gi, n = i.exec(t.backgroundImage);
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null !== n;
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) {
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var o = n && n[2];
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o && this.addBackground(o, e), (n = i.exec(t.backgroundImage));
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}
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}),
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(o.prototype.addImage = function (e) {
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var t = new r(e);
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this.images.push(t);
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}),
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(o.prototype.addBackground = function (e, t) {
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var i = new s(e, t);
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this.images.push(i);
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}),
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(o.prototype.check = function () {
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function e(e, i, n) {
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setTimeout(function () {
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t.progress(e, i, n);
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});
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}
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var t = this;
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return (
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(this.progressedCount = 0),
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(this.hasAnyBroken = !1),
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this.images.length
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? void this.images.forEach(function (t) {
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t.once("progress", e), t.check();
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})
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: void this.complete()
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);
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}),
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(o.prototype.progress = function (e, t, i) {
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this.progressedCount++,
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(this.hasAnyBroken = this.hasAnyBroken || !e.isLoaded),
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this.emitEvent("progress", [this, e, t]),
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this.jqDeferred &&
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this.jqDeferred.notify &&
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this.jqDeferred.notify(this, e),
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this.progressedCount == this.images.length && this.complete(),
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this.options.debug && a && a.log("progress: " + i, e, t);
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}),
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(o.prototype.complete = function () {
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var e = this.hasAnyBroken ? "fail" : "done";
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if (
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((this.isComplete = !0),
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this.emitEvent(e, [this]),
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this.emitEvent("always", [this]),
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this.jqDeferred)
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) {
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var t = this.hasAnyBroken ? "reject" : "resolve";
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this.jqDeferred[t](this);
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}
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}),
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(r.prototype = Object.create(t.prototype)),
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(r.prototype.check = function () {
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var e = this.getIsImageComplete();
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return e
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? void this.confirm(0 !== this.img.naturalWidth, "naturalWidth")
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: ((this.proxyImage = new Image()),
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this.proxyImage.addEventListener("load", this),
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this.proxyImage.addEventListener("error", this),
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this.img.addEventListener("load", this),
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this.img.addEventListener("error", this),
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void (this.proxyImage.src = this.img.src));
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}),
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(r.prototype.getIsImageComplete = function () {
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return this.img.complete && this.img.naturalWidth;
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}),
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(r.prototype.confirm = function (e, t) {
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(this.isLoaded = e), this.emitEvent("progress", [this, this.img, t]);
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}),
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(r.prototype.handleEvent = function (e) {
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var t = "on" + e.type;
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this[t] && this[t](e);
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}),
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(r.prototype.onload = function () {
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this.confirm(!0, "onload"), this.unbindEvents();
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}),
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(r.prototype.onerror = function () {
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this.confirm(!1, "onerror"), this.unbindEvents();
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}),
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(r.prototype.unbindEvents = function () {
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this.proxyImage.removeEventListener("load", this),
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this.proxyImage.removeEventListener("error", this),
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this.img.removeEventListener("load", this),
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this.img.removeEventListener("error", this);
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}),
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(s.prototype = Object.create(r.prototype)),
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(s.prototype.check = function () {
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this.img.addEventListener("load", this),
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this.img.addEventListener("error", this),
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(this.img.src = this.url);
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var e = this.getIsImageComplete();
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e &&
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(this.confirm(0 !== this.img.naturalWidth, "naturalWidth"),
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this.unbindEvents());
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}),
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(s.prototype.unbindEvents = function () {
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this.img.removeEventListener("load", this),
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this.img.removeEventListener("error", this);
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}),
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(s.prototype.confirm = function (e, t) {
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(this.isLoaded = e),
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this.emitEvent("progress", [this, this.element, t]);
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}),
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(o.makeJQueryPlugin = function (t) {
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(t = t || e.jQuery),
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t &&
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((h = t),
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(h.fn.imagesLoaded = function (e, t) {
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var i = new o(this, e, t);
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return i.jqDeferred.promise(h(this));
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}));
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}),
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o.makeJQueryPlugin(),
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o
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);
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});
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