(function(global,factory){if(typeof define=='function'&&define.amd){define('ev-emitter/ev-emitter',factory);}else if(typeof module=='object'&&module.exports){module.exports=factory();}else{global.EvEmitter=factory();}}(typeof window!='undefined'?window:this,function(){function EvEmitter(){}var proto=EvEmitter.prototype;proto.on=function(eventName,listener){if(!eventName||!listener){return;}var events=this._events=this._events||{};var listeners=events[eventName]=events[eventName]||[];if(listeners.indexOf(listener)==-1){listeners.push(listener);}return this;};proto.once=function(eventName,listener){if(!eventName||!listener){return;}this.on(eventName,listener);var onceEvents=this._onceEvents=this._onceEvents||{};var onceListeners=onceEvents[eventName]=onceEvents[eventName]||{};onceListeners[listener]=true;return this;};proto.off=function(eventName,listener){var listeners=this._events&&this._events[eventName];if(!listeners||!listeners.length){return;}var index=listeners.indexOf(listener);if(index!=-1){listeners.splice(index,1);}return this;};proto.emitEvent=function(eventName,args){var listeners=this._events&&this._events[eventName];if(!listeners||!listeners.length){return;}var i=0;var listener=listeners[i];args=args||[];var onceListeners=this._onceEvents&&this._onceEvents[eventName];while(listener){var isOnce=onceListeners&&onceListeners[listener];if(isOnce){this.off(eventName,listener);delete onceListeners[listener];}listener.apply(this,args);i+=isOnce?0:1;listener=listeners[i];}return this;};proto.allOff=proto.removeAllListeners=function(){delete this._events;delete this._onceEvents;};return EvEmitter;}));(function(window,factory){'use strict';if(typeof define=='function'&&define.amd){define(['ev-emitter/ev-emitter'],function(EvEmitter){return factory(window,EvEmitter);});}else if(typeof module=='object'&&module.exports){module.exports=factory(window,require('ev-emitter'));}else{window.imagesLoaded=factory(window,window.EvEmitter);}})(typeof window!=='undefined'?window:this,function factory(window,EvEmitter){var $=window.jQuery;var console=window.console;function extend(a,b){for(var prop in b){a[prop]=b[prop];}return a;}function makeArray(obj){var ary=[];if(Array.isArray(obj)){ary=obj;}else if(typeof obj.length=='number'){for(var i=0;i<obj.length;i++){ary.push(obj[i]);}}else{ary.push(obj);}return ary;}function ImagesLoaded(elem,options,onAlways){if(!(this instanceof ImagesLoaded)){return new ImagesLoaded(elem,options,onAlways);}if(typeof elem=='string'){elem=document.querySelectorAll(elem);}this.elements=makeArray(elem);this.options=extend({},this.options);if(typeof options=='function'){onAlways=options;}else{extend(this.options,options);}if(onAlways){this.on('always',onAlways);}this.getImages();if($){this.jqDeferred=new $.Deferred();}setTimeout(function(){this.check();}.bind(this));}ImagesLoaded.prototype=Object.create(EvEmitter.prototype);ImagesLoaded.prototype.options={};ImagesLoaded.prototype.getImages=function(){this.images=[];this.elements.forEach(this.addElementImages,this);};ImagesLoaded.prototype.addElementImages=function(elem){if(elem.nodeName=='IMG'){this.addImage(elem);}if(this.options.background===true){this.addElementBackgroundImages(elem);}var nodeType=elem.nodeType;if(!nodeType||!elementNodeTypes[nodeType]){return;}var childImgs=elem.querySelectorAll('img');for(var i=0;i<childImgs.length;i++){var img=childImgs[i];this.addImage(img);}if(typeof this.options.background=='string'){var children=elem.querySelectorAll(this.options.background);for(i=0;i<children.length;i++){var child=children[i];this.addElementBackgroundImages(child);}}};var elementNodeTypes={1:true,9:true,11:true};ImagesLoaded.prototype.addElementBackgroundImages=function(elem){var style=getComputedStyle(elem);if(!style){return;}var reURL=/url\((['"])?(.*?)\1\)/gi;var matches=reURL.exec(style.backgroundImage);while(matches!==null){var url=matches&&matches[2];if(url){this.addBackground(url,elem);}matches=reURL.exec(style.backgroundImage);}};ImagesLoaded.prototype.addImage=function(img){var loadingImage=new LoadingImage(img);this.images.push(loadingImage);};ImagesLoaded.prototype.addBackground=function(url,elem){var background=new Background(url,elem);this.images.push(background);};ImagesLoaded.prototype.check=function(){var _this=this;this.progressedCount=0;this.hasAnyBroken=false;if(!this.images.length){this.complete();return;}function onProgress(image,elem,message){setTimeout(function(){_this.progress(image,elem,message);});}this.images.forEach(function(loadingImage){loadingImage.once('progress',onProgress);loadingImage.check();});};ImagesLoaded.prototype.progress=function(image,elem,message){this.progressedCount++;this.hasAnyBroken=this.hasAnyBroken||!image.isLoaded;this.emitEvent('progress',[this,image,elem]);if(this.jqDeferred&&this.jqDeferred.notify){this.jqDeferred.notify(this,image);}if(this.progressedCount==this.images.length){this.complete();}if(this.options.debug&&console){console.log('progress: '+message,image,elem);}};ImagesLoaded.prototype.complete=function(){var eventName=this.hasAnyBroken?'fail':'done';this.isComplete=true;this.emitEvent(eventName,[this]);this.emitEvent('always',[this]);if(this.jqDeferred){var jqMethod=this.hasAnyBroken?'reject':'resolve';this.jqDeferred[jqMethod](this);}};function LoadingImage(img){this.img=img;}LoadingImage.prototype=Object.create(EvEmitter.prototype);LoadingImage.prototype.check=function(){var isComplete=this.getIsImageComplete();if(isComplete){this.confirm(this.img.naturalWidth!==0,'naturalWidth');return;}this.proxyImage=new Image();this.proxyImage.addEventListener('load',this);this.proxyImage.addEventListener('error',this);this.img.addEventListener('load',this);this.img.addEventListener('error',this);this.proxyImage.src=this.img.src;};LoadingImage.prototype.getIsImageComplete=function(){return this.img.complete&&this.img.naturalWidth!==undefined;};LoadingImage.prototype.confirm=function(isLoaded,message){this.isLoaded=isLoaded;this.emitEvent('progress',[this,this.img,message]);};LoadingImage.prototype.handleEvent=function(event){var method='on'+event.type;if(this[method]){this[method](event);}};LoadingImage.prototype.onload=function(){this.confirm(true,'onload');this.unbindEvents();};LoadingImage.prototype.onerror=function(){this.confirm(false,'onerror');this.unbindEvents();};LoadingImage.prototype.unbindEvents=function(){this.proxyImage.removeEventListener('load',this);this.proxyImage.removeEventListener('error',this);this.img.removeEventListener('load',this);this.img.removeEventListener('error',this);};function Background(url,element){this.url=url;this.element=element;this.img=new Image();}Background.prototype=Object.create(LoadingImage.prototype);Background.prototype.check=function(){this.img.addEventListener('load',this);this.img.addEventListener('error',this);this.img.src=this.url;var isComplete=this.getIsImageComplete();if(isComplete){this.confirm(this.img.naturalWidth!==0,'naturalWidth');this.unbindEvents();}};Background.prototype.unbindEvents=function(){this.img.removeEventListener('load',this);this.img.removeEventListener('error',this);};Background.prototype.confirm=function(isLoaded,message){this.isLoaded=isLoaded;this.emitEvent('progress',[this,this.element,message]);};ImagesLoaded.makeJQueryPlugin=function(jQuery){jQuery=jQuery||window.jQuery;if(!jQuery){return;}$=jQuery;$.fn.imagesLoaded=function(options,callback){var instance=new ImagesLoaded(this,options,callback);return instance.jqDeferred.promise($(this));};};ImagesLoaded.makeJQueryPlugin();return ImagesLoaded;});