6 lines
3.4 KiB
JavaScript
6 lines
3.4 KiB
JavaScript
/*!
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* imagesLoaded v3.1.4
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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(b,a){if(typeof define==="function"&&define.amd){define(["eventEmitter/EventEmitter","eventie/eventie"],function(d,c){return a(b,d,c)})}else{if(typeof exports==="object"){module.exports=a(b,require("eventEmitter"),require("eventie"))}else{b.imagesLoaded=a(b,b.EventEmitter,b.eventie)}}})(this,function factory(i,m,l){var g=i.jQuery;var e=i.console;var c=typeof e!=="undefined";function j(p,o){for(var q in o){p[q]=o[q]}return p}var n=Object.prototype.toString;function h(o){return n.call(o)==="[object Array]"}function d(r){var q=[];if(h(r)){q=r}else{if(typeof r.length==="number"){for(var p=0,o=r.length;p<o;p++){q.push(r[p])}}else{q.push(r)}}return q}function f(q,p,o){if(!(this instanceof f)){return new f(q,p)}if(typeof q==="string"){q=document.querySelectorAll(q)}this.elements=d(q);this.options=j({},this.options);if(typeof p==="function"){o=p}else{j(this.options,p)}if(o){this.on("always",o)}this.getImages();if(g){this.jqDeferred=new g.Deferred()}var r=this;setTimeout(function(){r.check()})}f.prototype=new m();f.prototype.options={};f.prototype.getImages=function(){this.images=[];for(var r=0,o=this.elements.length;r<o;r++){var s=this.elements[r];if(s.nodeName==="IMG"){this.addImage(s)}var u=s.querySelectorAll("img");for(var q=0,t=u.length;q<t;q++){var p=u[q];this.addImage(p)}}};f.prototype.addImage=function(o){var p=new k(o);this.images.push(p)};f.prototype.check=function(){var t=this;var p=0;var r=this.images.length;this.hasAnyBroken=false;if(!r){this.complete();return}function q(v,u){if(t.options.debug&&c){e.log("confirm",v,u)}t.progress(v);p++;if(p===r){t.complete()}return true}for(var o=0;o<r;o++){var s=this.images[o];s.on("confirm",q);s.check()}};f.prototype.progress=function(o){this.hasAnyBroken=this.hasAnyBroken||!o.isLoaded;var p=this;setTimeout(function(){p.emit("progress",p,o);if(p.jqDeferred&&p.jqDeferred.notify){p.jqDeferred.notify(p,o)}})};f.prototype.complete=function(){var o=this.hasAnyBroken?"fail":"done";this.isComplete=true;var p=this;setTimeout(function(){p.emit(o,p);p.emit("always",p);if(p.jqDeferred){var q=p.hasAnyBroken?"reject":"resolve";p.jqDeferred[q](p)}})};if(g){g.fn.imagesLoaded=function(p,q){var o=new f(this,p,q);return o.jqDeferred.promise(g(this))}}function k(o){this.img=o}k.prototype=new m();k.prototype.check=function(){var o=b[this.img.src]||new a(this.img.src);if(o.isConfirmed){this.confirm(o.isLoaded,"cached was confirmed");return}if(this.img.complete&&this.img.naturalWidth!==undefined){this.confirm(this.img.naturalWidth!==0,"naturalWidth");return}var p=this;o.on("confirm",function(q,r){p.confirm(q.isLoaded,r);return true});o.check()};k.prototype.confirm=function(o,p){this.isLoaded=o;this.emit("confirm",this,p)};var b={};function a(o){this.src=o;b[o]=this}a.prototype=new m();a.prototype.check=function(){if(this.isChecked){return}var o=new Image();l.bind(o,"load",this);l.bind(o,"error",this);o.src=this.src;this.isChecked=true};a.prototype.handleEvent=function(o){var p="on"+o.type;if(this[p]){this[p](o)}};a.prototype.onload=function(o){this.confirm(true,"onload");this.unbindProxyEvents(o)};a.prototype.onerror=function(o){this.confirm(false,"onerror");this.unbindProxyEvents(o)};a.prototype.confirm=function(o,p){this.isConfirmed=true;this.isLoaded=o;this.emit("confirm",this,p)};a.prototype.unbindProxyEvents=function(o){l.unbind(o.target,"load",this);l.unbind(o.target,"error",this)};return f}); |