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7 lines
7.3 KiB
7 lines
7.3 KiB
/*! |
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* imagesLoaded PACKAGED v4.0.0 |
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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(){"use strict";function e(){}function t(e,t){for(var n=e.length;n--;)if(e[n].listener===t)return n;return-1}function n(e){return function(){return this[e].apply(this,arguments)}}var i=e.prototype,r=this,s=r.EventEmitter;i.getListeners=function(e){var t,n,i=this._getEvents();if(e instanceof RegExp){t={};for(n in i)i.hasOwnProperty(n)&&e.test(n)&&(t[n]=i[n])}else t=i[e]||(i[e]=[]);return t},i.flattenListeners=function(e){var t,n=[];for(t=0;t<e.length;t+=1)n.push(e[t].listener);return n},i.getListenersAsObject=function(e){var t,n=this.getListeners(e);return n instanceof Array&&(t={},t[e]=n),t||n},i.addListener=function(e,n){var i,r=this.getListenersAsObject(e),s="object"==typeof n;for(i in r)r.hasOwnProperty(i)&&-1===t(r[i],n)&&r[i].push(s?n:{listener:n,once:!1});return this},i.on=n("addListener"),i.addOnceListener=function(e,t){return this.addListener(e,{listener:t,once:!0})},i.once=n("addOnceListener"),i.defineEvent=function(e){return this.getListeners(e),this},i.defineEvents=function(e){for(var t=0;t<e.length;t+=1)this.defineEvent(e[t]);return this},i.removeListener=function(e,n){var i,r,s=this.getListenersAsObject(e);for(r in s)s.hasOwnProperty(r)&&(i=t(s[r],n),-1!==i&&s[r].splice(i,1));return this},i.off=n("removeListener"),i.addListeners=function(e,t){return this.manipulateListeners(!1,e,t)},i.removeListeners=function(e,t){return this.manipulateListeners(!0,e,t)},i.manipulateListeners=function(e,t,n){var i,r,s=e?this.removeListener:this.addListener,o=e?this.removeListeners:this.addListeners;if("object"!=typeof t||t instanceof RegExp)for(i=n.length;i--;)s.call(this,t,n[i]);else for(i in t)t.hasOwnProperty(i)&&(r=t[i])&&("function"==typeof r?s.call(this,i,r):o.call(this,i,r));return this},i.removeEvent=function(e){var t,n=typeof e,i=this._getEvents();if("string"===n)delete i[e];else if(e instanceof RegExp)for(t in i)i.hasOwnProperty(t)&&e.test(t)&&delete i[t];else delete this._events;return this},i.removeAllListeners=n("removeEvent"),i.emitEvent=function(e,t){var n,i,r,s,o,h=this.getListenersAsObject(e);for(s in h)if(h.hasOwnProperty(s))for(n=h[s].slice(0),r=n.length;r--;)i=n[r],i.once===!0&&this.removeListener(e,i.listener),o=i.listener.apply(this,t||[]),o===this._getOnceReturnValue()&&this.removeListener(e,i.listener);return this},i.trigger=n("emitEvent"),i.emit=function(e){var t=Array.prototype.slice.call(arguments,1);return this.emitEvent(e,t)},i.setOnceReturnValue=function(e){return this._onceReturnValue=e,this},i._getOnceReturnValue=function(){return this.hasOwnProperty("_onceReturnValue")?this._onceReturnValue:!0},i._getEvents=function(){return this._events||(this._events={})},e.noConflict=function(){return r.EventEmitter=s,e},"function"==typeof define&&define.amd?define("eventEmitter/EventEmitter",[],function(){return e}):"object"==typeof module&&module.exports?module.exports=e:r.EventEmitter=e}).call(this),function(e,t){"use strict";"function"==typeof define&&define.amd?define(["eventEmitter/EventEmitter"],function(n){return t(e,n)}):"object"==typeof module&&module.exports?module.exports=t(e,require("wolfy87-eventemitter")):e.imagesLoaded=t(e,e.EventEmitter)}(window,function(e,t){function n(e,t){for(var n in t)e[n]=t[n];return e}function i(e){var t=[];if(Array.isArray(e))t=e;else if("number"==typeof e.length)for(var n=0;n<e.length;n++)t.push(e[n]);else t.push(e);return t}function r(e,t,s){return this instanceof r?("string"==typeof e&&(e=document.querySelectorAll(e)),this.elements=i(e),this.options=n({},this.options),"function"==typeof t?s=t:n(this.options,t),s&&this.on("always",s),this.getImages(),h&&(this.jqDeferred=new h.Deferred),void setTimeout(function(){this.check()}.bind(this))):new r(e,t,s)}function s(e){this.img=e}function o(e,t){this.url=e,this.element=t,this.img=new Image}var h=e.jQuery,a=e.console;r.prototype=Object.create(t.prototype),r.prototype.options={},r.prototype.getImages=function(){this.images=[],this.elements.forEach(this.addElementImages,this)},r.prototype.addElementImages=function(e){"IMG"==e.nodeName&&this.addImage(e),this.options.background===!0&&this.addElementBackgroundImages(e);var t=e.nodeType;if(t&&u[t]){for(var n=e.querySelectorAll("img"),i=0;i<n.length;i++){var r=n[i];this.addImage(r)}if("string"==typeof this.options.background){var s=e.querySelectorAll(this.options.background);for(i=0;i<s.length;i++){var o=s[i];this.addElementBackgroundImages(o)}}}};var u={1:!0,9:!0,11:!0};return r.prototype.addElementBackgroundImages=function(e){var t=getComputedStyle(e);if(t)for(var n=/url\((['"])?(.*?)\1\)/gi,i=n.exec(t.backgroundImage);null!==i;){var r=i&&i[2];r&&this.addBackground(r,e),i=n.exec(t.backgroundImage)}},r.prototype.addImage=function(e){var t=new s(e);this.images.push(t)},r.prototype.addBackground=function(e,t){var n=new o(e,t);this.images.push(n)},r.prototype.check=function(){function e(e,n,i){setTimeout(function(){t.progress(e,n,i)})}var t=this;return this.progressedCount=0,this.hasAnyBroken=!1,this.images.length?void this.images.forEach(function(t){t.once("progress",e),t.check()}):void this.complete()},r.prototype.progress=function(e,t,n){this.progressedCount++,this.hasAnyBroken=this.hasAnyBroken||!e.isLoaded,this.emit("progress",this,e,t),this.jqDeferred&&this.jqDeferred.notify&&this.jqDeferred.notify(this,e),this.progressedCount==this.images.length&&this.complete(),this.options.debug&&a&&a.log("progress: "+n,e,t)},r.prototype.complete=function(){var e=this.hasAnyBroken?"fail":"done";if(this.isComplete=!0,this.emit(e,this),this.emit("always",this),this.jqDeferred){var t=this.hasAnyBroken?"reject":"resolve";this.jqDeferred[t](this)}},s.prototype=Object.create(t.prototype),s.prototype.check=function(){var e=this.getIsImageComplete();return e?void this.confirm(0!==this.img.naturalWidth,"naturalWidth"):(this.proxyImage=new Image,this.proxyImage.addEventListener("load",this),this.proxyImage.addEventListener("error",this),this.img.addEventListener("load",this),this.img.addEventListener("error",this),void(this.proxyImage.src=this.img.src))},s.prototype.getIsImageComplete=function(){return this.img.complete&&void 0!==this.img.naturalWidth},s.prototype.confirm=function(e,t){this.isLoaded=e,this.emit("progress",this,this.img,t)},s.prototype.handleEvent=function(e){var t="on"+e.type;this[t]&&this[t](e)},s.prototype.onload=function(){this.confirm(!0,"onload"),this.unbindEvents()},s.prototype.onerror=function(){this.confirm(!1,"onerror"),this.unbindEvents()},s.prototype.unbindEvents=function(){this.proxyImage.removeEventListener("load",this),this.proxyImage.removeEventListener("error",this),this.img.removeEventListener("load",this),this.img.removeEventListener("error",this)},o.prototype=Object.create(s.prototype),o.prototype.check=function(){this.img.addEventListener("load",this),this.img.addEventListener("error",this),this.img.src=this.url;var e=this.getIsImageComplete();e&&(this.confirm(0!==this.img.naturalWidth,"naturalWidth"),this.unbindEvents())},o.prototype.unbindEvents=function(){this.img.addEventListener("load",this),this.img.addEventListener("error",this)},o.prototype.confirm=function(e,t){this.isLoaded=e,this.emit("progress",this,this.element,t)},r.makeJQueryPlugin=function(t){t=t||e.jQuery,t&&(h=t,h.fn.imagesLoaded=function(e,t){var n=new r(this,e,t);return n.jqDeferred.promise(h(this))})},r.makeJQueryPlugin(),r}); |