epub.min.js

/*!
 * @overview RSVP - a tiny implementation of Promises/A+.
 * @copyright Copyright (c) 2014 Yehuda Katz, Tom Dale, Stefan Penner and contributors
 * @license   Licensed under MIT license
 *            See https://raw.githubusercontent.com/tildeio/rsvp.js/master/LICENSE
 * @version   3.1.0
 */
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EPUBJS.EpubCFI,d=0;0!==a.length&&(b.pageList=b.contents.pageList=a,b.pageList.forEach(function(a){a.cfi||(d+=1,c.generateCfiFromHref(a.href,b).then(function(c){a.cfi=c,a.packageUrl=b.settings.packageUrl,d-=1,0===d&&(b.pagination.process(b.pageList),b.ready.pageList.resolve(b.pageList))}))}),d||(b.pagination.process(b.pageList),b.ready.pageList.resolve(b.pageList)))},function(){b.ready.pageList.resolve([])})):b.contents.tocPath?(b.settings.tocUrl=b.settings.contentsPath+b.contents.tocPath,b.loadXml(b.settings.tocUrl).then(function(a){return c.toc(a,b.spineIndexByURL,b.spine)}).then(function(a){b.toc=b.contents.toc=a,b.ready.toc.resolve(b.contents.toc)},function(){b.ready.toc.resolve(!1)})):b.ready.toc.resolve(!1)},EPUBJS.Book.prototype.createHiddenRender=function(a,b,c){var d,e,f=this.element.getBoundingClientRect(),g=b||this.settings.width||f.width,h=c||this.settings.height||f.height;return a.setMinSpreadWidth(this.settings.minSpreadWidth),a.setGap(this.settings.gap),this._registerReplacements(a),this.settings.forceSingle&&a.forceSingle(!0),d=document.createElement("div"),d.style.visibility="hidden",d.style.overflow="hidden",d.style.width="0",d.style.height="0",this.element.appendChild(d),e=document.createElement("div"),e.style.visibility="hidden",e.style.overflow="hidden",e.style.width=g+"px",e.style.height=h+"px",d.appendChild(e),a.initialize(e),d},EPUBJS.Book.prototype.generatePageList=function(a,b){{var c=[],d=new EPUBJS.Renderer(this.settings.render_method,!1),e=this.createHiddenRender(d,a,b),f=new RSVP.defer,g=-1,h=this.spine.length,i=0,j=function(a){var b,e=g+1,f=a||new RSVP.defer;return e>=h?f.resolve():(g=e,b=new EPUBJS.Chapter(this.spine[g],this.store),d.displayChapter(b,this.globalLayoutProperties).then(function(){d.pageMap.forEach(function(a){i+=1,c.push({cfi:a.start,page:i})}),d.pageMap.length%2>0&&d.spreads&&(i+=1,c.push({cfi:d.pageMap[d.pageMap.length-1].end,page:i})),setTimeout(function(){j(f)},1)})),f.promise}.bind(this);j().then(function(){d.remove(),this.element.removeChild(e),f.resolve(c)}.bind(this))}return f.promise},EPUBJS.Book.prototype.generatePagination=function(a,b){var c=this,d=new RSVP.defer;return this.ready.spine.promise.then(function(){c.generatePageList(a,b).then(function(a){c.pageList=c.contents.pageList=a,c.pagination.process(a),c.ready.pageList.resolve(c.pageList),d.resolve(c.pageList)})}),d.promise},EPUBJS.Book.prototype.loadPagination=function(a){var b=JSON.parse(a);return b&&b.length&&(this.pageList=b,this.pagination.process(this.pageList),this.ready.pageList.resolve(this.pageList)),this.pageList},EPUBJS.Book.prototype.getPageList=function(){return this.ready.pageList.promise},EPUBJS.Book.prototype.getMetadata=function(){return this.ready.metadata.promise},EPUBJS.Book.prototype.getToc=function(){return this.ready.toc.promise},EPUBJS.Book.prototype.networkListeners=function(){var a=this;window.addEventListener("offline",function(){a.online=!1,a.settings.storage&&a.fromStorage(!0),a.trigger("book:offline")},!1),window.addEventListener("online",function(){a.online=!0,a.settings.storage&&a.fromStorage(!1),a.trigger("book:online")},!1)},EPUBJS.Book.prototype.listenToRenderer=function(a){var b=this;a.Events.forEach(function(c){a.on(c,function(a){b.trigger(c,a)})}),a.on("renderer:visibleRangeChanged",function(a){var b,c,d,e=[];this.pageList.length>0&&(b=this.pagination.pageFromCfi(a.start),d=this.pagination.percentageFromPage(b),e.push(b),a.end&&(c=this.pagination.pageFromCfi(a.end),e.push(c)),this.trigger("book:pageChanged",{anchorPage:b,percentage:d,pageRange:e}))}.bind(this)),a.on("render:loaded",this.loadChange.bind(this))},EPUBJS.Book.prototype.loadChange=function(a){var b,c,d=EPUBJS.core.uri(a),e=EPUBJS.core.uri(this.currentChapter.absolute);d.path!=e.path?(console.warn("Miss Match",d.path,this.currentChapter.absolute),b=this.spineIndexByURL[d.filename],c=new EPUBJS.Chapter(this.spine[b],this.store),this.currentChapter=c,this.renderer.currentChapter=c,this.renderer.afterLoad(this.renderer.render.docEl),this.renderer.beforeDisplay(function(){this.renderer.afterDisplay()}.bind(this))):this._rendering||this.renderer.reformat()},EPUBJS.Book.prototype.unlistenToRenderer=function(a){a.Events.forEach(function(b){a.off(b)})},EPUBJS.Book.prototype.loadXml=function(a){return this.settings.fromStorage?this.store.getXml(a,this.settings.encoding):this.settings.contained?this.zip.getXml(a,this.settings.encoding):EPUBJS.core.request(a,"xml",this.settings.withCredentials)},EPUBJS.Book.prototype.urlFrom=function(a){var b,c=EPUBJS.core.uri(a),d=c.protocol,e="/"==c.path[0],f=window.location,g=f.origin||f.protocol+"//"+f.host,h=document.getElementsByTagName("base");return h.length&&(b=h[0].href),c.protocol?c.origin+c.path:!d&&e?(b||g)+c.path:d||e?void 0:EPUBJS.core.resolveUrl(b||f.pathname,c.path)},EPUBJS.Book.prototype.unarchive=function(a){return this.zip=new EPUBJS.Unarchiver,this.store=this.zip,this.zip.open(a)},EPUBJS.Book.prototype.isContained=function(a){if(a instanceof ArrayBuffer)return!0;var b=EPUBJS.core.uri(a);return!b.extension||"epub"!=b.extension&&"zip"!=b.extension?!1:!0},EPUBJS.Book.prototype.isSaved=function(a){var b;return localStorage?(b=localStorage.getItem(a),localStorage&&null!==b?!0:!1):!1},EPUBJS.Book.prototype.generateBookKey=function(a){return"epubjs:"+EPUBJS.VERSION+":"+window.location.host+":"+a},EPUBJS.Book.prototype.saveContents=function(){return localStorage?void localStorage.setItem(this.settings.bookKey,JSON.stringify(this.contents)):!1},EPUBJS.Book.prototype.removeSavedContents=function(){return localStorage?void localStorage.removeItem(this.settings.bookKey):!1},EPUBJS.Book.prototype.renderTo=function(a){var b,c=this;if(EPUBJS.core.isElement(a))this.element=a;else{if("string"!=typeof a)return void console.error("Not an Element");this.element=EPUBJS.core.getEl(a)}return b=this.opened.then(function(){return c.renderer.initialize(c.element,c.settings.width,c.settings.height),c.metadata.direction&&c.renderer.setDirection(c.metadata.direction),c._rendered(),c.startDisplay()})},EPUBJS.Book.prototype.startDisplay=function(){var a;return a=this.settings.goto?this.goto(this.settings.goto):this.settings.previousLocationCfi?this.gotoCfi(this.settings.previousLocationCfi):this.displayChapter(this.spinePos)},EPUBJS.Book.prototype.restore=function(a){var b,c=this,d=["manifest","spine","metadata","cover","toc","spineNodeIndex","spineIndexByURL","globalLayoutProperties"],e=!1,f=this.generateBookKey(a),g=localStorage.getItem(f),h=d.length;if(this.settings.clearSaved&&(e=!0),!e&&"undefined"!=g&&null!==g)for(c.contents=JSON.parse(g),b=0;h>b;b++){var i=d[b];if(!c.contents[i]){e=!0;break}c[i]=c.contents[i]}return!e&&g&&this.contents&&this.settings.contentsPath?(this.settings.bookKey=f,this.ready.manifest.resolve(this.manifest),this.ready.spine.resolve(this.spine),this.ready.metadata.resolve(this.metadata),this.ready.cover.resolve(this.cover),this.ready.toc.resolve(this.toc),!0):!1},EPUBJS.Book.prototype.displayChapter=function(a,b,c){var d,e,f,g,h=this,i=c||new RSVP.defer;return this.isRendered?this._rendering||this._rendering?(this._displayQ.enqueue("displayChapter",[a,b,i]),i.promise):(EPUBJS.core.isNumber(a)?f=a:(e=new EPUBJS.EpubCFI(a),f=e.spinePos),(0>f||f>=this.spine.length)&&(console.warn("Not A Valid Location"),f=0,b=!1,e=!1),g=new EPUBJS.Chapter(this.spine[f],this.store),this._rendering=!0,this._needsAssetReplacement()&&g.registerHook("beforeChapterRender",[EPUBJS.replace.head,EPUBJS.replace.resources,EPUBJS.replace.svg],!0),h.currentChapter=g,d=h.renderer.displayChapter(g,this.globalLayoutProperties),e?h.renderer.gotoCfi(e):b&&h.renderer.lastPage(),d.then(function(){h.spinePos=f,i.resolve(h.renderer),h.settings.fromStorage===!1&&h.settings.contained===!1&&h.preloadNextChapter(),h._rendering=!1,h._displayQ.dequeue(),0===h._displayQ.length()&&h._gotoQ.dequeue()},function(a){console.error("Could not load Chapter: "+g.absolute,a),h.trigger("book:chapterLoadFailed",g.absolute),h._rendering=!1,i.reject(a)}),i.promise):(this._q.enqueue("displayChapter",arguments),i.reject({message:"Rendering",stack:(new Error).stack}),i.promise)},EPUBJS.Book.prototype.nextPage=function(){var a;return this.isRendered?(a=this.renderer.nextPage(),a?void 0:this.nextChapter()):this._q.enqueue("nextPage",arguments)},EPUBJS.Book.prototype.prevPage=function(){var a;return this.isRendered?(a=this.renderer.prevPage(),a?void 0:this.prevChapter()):this._q.enqueue("prevPage",arguments)},EPUBJS.Book.prototype.nextChapter=function(){var a;if(this.spinePos<this.spine.length-1){for(a=this.spinePos+1;this.spine[a]&&this.spine[a].linear&&"no"==this.spine[a].linear;)a++;if(a<this.spine.length)return this.displayChapter(a);this.trigger("book:atEnd")}else this.trigger("book:atEnd")},EPUBJS.Book.prototype.prevChapter=function(){var a;if(this.spinePos>0){for(a=this.spinePos-1;this.spine[a]&&this.spine[a].linear&&"no"==this.spine[a].linear;)a--;if(a>=0)return this.displayChapter(a,!0);this.trigger("book:atStart")}else this.trigger("book:atStart")},EPUBJS.Book.prototype.getCurrentLocationCfi=function(){return this.isRendered?this.renderer.currentLocationCfi:!1},EPUBJS.Book.prototype.goto=function(a){return 0===a.indexOf("epubcfi(")?this.gotoCfi(a):a.indexOf("%")===a.length-1?this.gotoPercentage(parseInt(a.substring(0,a.length-1))/100):"number"==typeof a||isNaN(a)===!1?this.gotoPage(a):this.gotoHref(a)},EPUBJS.Book.prototype.gotoCfi=function(a,b){var c,d,e,f=b||new RSVP.defer;return this.isRendered?this._moving||this._rendering?(console.warn("Renderer is moving"),this._gotoQ.enqueue("gotoCfi",[a,f]),!1):(c=new EPUBJS.EpubCFI(a),d=c.spinePos,-1==d?!1:(e=this.spine[d],promise=f.promise,this._moving=!0,this.currentChapter&&this.spinePos===d?(this.renderer.gotoCfi(c),this._moving=!1,f.resolve(this.renderer.currentLocationCfi)):(e&&-1!=d||(d=0,e=this.spine[d]),this.currentChapter=new EPUBJS.Chapter(e,this.store),this.currentChapter&&(this.spinePos=d,render=this.renderer.displayChapter(this.currentChapter,this.globalLayoutProperties),this.renderer.gotoCfi(c),render.then(function(a){this._moving=!1,f.resolve(a.currentLocationCfi)}.bind(this)))),promise.then(function(){this._gotoQ.dequeue()}.bind(this)),promise)):(console.warn("Not yet Rendered"),this.settings.previousLocationCfi=a,!1)},EPUBJS.Book.prototype.gotoHref=function(a,b){var c,d,e,f,g,h=b||new RSVP.defer;return this.isRendered?this._moving||this._rendering?(this._gotoQ.enqueue("gotoHref",[a,h]),!1):(c=a.split("#"),d=c[0],e=c[1]||!1,f=d.replace(this.settings.contentsPath,""),g=this.spineIndexByURL[f],d||(g=this.currentChapter?this.currentChapter.spinePos:0),"number"!=typeof g?!1:this.currentChapter&&g==this.currentChapter.spinePos?(e?this.renderer.section(e):this.renderer.firstPage(),h.resolve(this.renderer.currentLocationCfi),h.promise.then(function(){this._gotoQ.dequeue()}.bind(this)),h.promise):this.displayChapter(g).then(function(){e&&this.renderer.section(e),h.resolve(this.renderer.currentLocationCfi)}.bind(this))):(this.settings.goto=a,!1)},EPUBJS.Book.prototype.gotoPage=function(a){var b=this.pagination.cfiFromPage(a);return this.gotoCfi(b)},EPUBJS.Book.prototype.gotoPercentage=function(a){var b=this.pagination.pageFromPercentage(a);return this.gotoPage(b)},EPUBJS.Book.prototype.preloadNextChapter=function(){var a,b=this.spinePos+1;return b>=this.spine.length?!1:(a=new EPUBJS.Chapter(this.spine[b]),void(a&&EPUBJS.core.request(a.absolute)))},EPUBJS.Book.prototype.storeOffline=function(){var a=this,b=EPUBJS.core.values(this.manifest);return this.store.put(b).then(function(){a.settings.stored=!0,a.trigger("book:stored")})},EPUBJS.Book.prototype.availableOffline=function(){return this.settings.stored>0?!0:!1},EPUBJS.Book.prototype.toStorage=function(){var a=this.settings.bookKey;this.store.isStored(a).then(function(b){return b===!0?(this.settings.stored=!0,!0):this.storeOffline().then(function(){this.store.token(a,!0)}.bind(this))}.bind(this))},EPUBJS.Book.prototype.fromStorage=function(a){[EPUBJS.replace.head,EPUBJS.replace.resources,EPUBJS.replace.svg];this.contained||this.settings.contained||(this.online&&this.opened.then(this.toStorage.bind(this)),this.store&&this.settings.fromStorage&&a===!1?(this.settings.fromStorage=!1,this.store.off("offline"),this.store=!1):this.settings.fromStorage||(this.store=new EPUBJS.Storage(this.settings.credentials),this.store.on("offline",function(a){a?(this.offline=!0,this.settings.fromStorage=!0,this.trigger("book:offline")):(this.offline=!1,this.settings.fromStorage=!1,this.trigger("book:online"))}.bind(this))))},EPUBJS.Book.prototype.setStyle=function(a,b,c){var d=["color","background","background-color"];return this.isRendered?(this.settings.styles[a]=b,this.renderer.setStyle(a,b,c),void(-1===d.indexOf(a)&&this.renderer.reformat())):this._q.enqueue("setStyle",arguments)},EPUBJS.Book.prototype.removeStyle=function(a){return this.isRendered?(this.renderer.removeStyle(a),this.renderer.reformat(),void delete this.settings.styles[a]):this._q.enqueue("removeStyle",arguments)},EPUBJS.Book.prototype.addHeadTag=function(a,b){return this.isRendered?void(this.settings.headTags[a]=b):this._q.enqueue("addHeadTag",arguments)},EPUBJS.Book.prototype.useSpreads=function(a){console.warn("useSpreads is deprecated, use forceSingle or set a layoutOveride instead"),this.forceSingle(a===!1?!0:!1)},EPUBJS.Book.prototype.forceSingle=function(a){var b="undefined"==typeof a?!0:a;this.renderer.forceSingle(b),this.settings.forceSingle=b,this.isRendered&&this.renderer.reformat()},EPUBJS.Book.prototype.setMinSpreadWidth=function(a){this.settings.minSpreadWidth=a,this.isRendered&&(this.renderer.setMinSpreadWidth(this.settings.minSpreadWidth),this.renderer.reformat())},EPUBJS.Book.prototype.setGap=function(a){this.settings.gap=a,this.isRendered&&(this.renderer.setGap(this.settings.gap),this.renderer.reformat())},EPUBJS.Book.prototype.chapter=function(a){var b,c,d=this.spineIndexByURL[a];return d&&(b=this.spine[d],c=new EPUBJS.Chapter(b,this.store,this.settings.withCredentials),c.load()),c},EPUBJS.Book.prototype.unload=function(){this.settings.restore&&localStorage&&this.saveContents(),this.unlistenToRenderer(this.renderer),this.trigger("book:unload")},EPUBJS.Book.prototype.destroy=function(){window.removeEventListener("beforeunload",this.unload),this.currentChapter&&this.currentChapter.unload(),this.unload(),this.renderer&&this.renderer.remove()},EPUBJS.Book.prototype._ready=function(){this.trigger("book:ready")},EPUBJS.Book.prototype._rendered=function(){this.isRendered=!0,this.trigger("book:rendered"),this._q.flush()},EPUBJS.Book.prototype.applyStyles=function(a,b){a.applyStyles(this.settings.styles),b()},EPUBJS.Book.prototype.applyHeadTags=function(a,b){a.applyHeadTags(this.settings.headTags),b()},EPUBJS.Book.prototype._registerReplacements=function(a){a.registerHook("beforeChapterDisplay",this.applyStyles.bind(this,a),!0),a.registerHook("beforeChapterDisplay",this.applyHeadTags.bind(this,a),!0),a.registerHook("beforeChapterDisplay",EPUBJS.replace.hrefs.bind(this),!0)},EPUBJS.Book.prototype._needsAssetReplacement=function(){return this.settings.fromStorage?!0:this.settings.contained?!0:!1},EPUBJS.Book.prototype.parseLayoutProperties=function(a){var b=this.settings.layoutOveride&&this.settings.layoutOveride.layout||a.layout||"reflowable",c=this.settings.layoutOveride&&this.settings.layoutOveride.spread||a.spread||"auto",d=this.settings.layoutOveride&&this.settings.layoutOveride.orientation||a.orientation||"auto";
return{layout:b,spread:c,orientation:d}},RSVP.EventTarget.mixin(EPUBJS.Book.prototype),RSVP.on("error",function(){}),RSVP.configure("instrument",!1),EPUBJS.Chapter=function(a,b,c){this.href=a.href,this.absolute=a.url,this.id=a.id,this.spinePos=a.index,this.cfiBase=a.cfiBase,this.properties=a.properties,this.manifestProperties=a.manifestProperties,this.linear=a.linear,this.pages=1,this.store=b,this.credentials=c,this.epubcfi=new EPUBJS.EpubCFI,this.deferred=new RSVP.defer,this.loaded=this.deferred.promise,EPUBJS.Hooks.mixin(this),this.getHooks("beforeChapterRender"),this.caches={}},EPUBJS.Chapter.prototype.load=function(a,b){var c,d=a||this.store,e=b||this.credentials;return c=d?d.getXml(this.absolute):EPUBJS.core.request(this.absolute,!1,e),c.then(function(a){this.setDocument(a),this.deferred.resolve(this)}.bind(this)),c},EPUBJS.Chapter.prototype.render=function(){return this.load().then(function(a){var b=a.querySelector("head"),c=a.createElement("base");return c.setAttribute("href",this.absolute),b.insertBefore(c,b.firstChild),this.contents=a,new RSVP.Promise(function(b){this.triggerHooks("beforeChapterRender",function(){b(a)}.bind(this),this)}.bind(this))}.bind(this)).then(function(a){var b=new XMLSerializer,c=b.serializeToString(a);return c}.bind(this))},EPUBJS.Chapter.prototype.url=function(a){var b,c=new RSVP.defer,d=a||this.store,e=this;return d?this.tempUrl?(b=this.tempUrl,c.resolve(b)):d.getUrl(this.absolute).then(function(a){e.tempUrl=a,c.resolve(a)}):(b=this.absolute,c.resolve(b)),c.promise},EPUBJS.Chapter.prototype.setPages=function(a){this.pages=a},EPUBJS.Chapter.prototype.getPages=function(){return this.pages},EPUBJS.Chapter.prototype.getID=function(){return this.ID},EPUBJS.Chapter.prototype.unload=function(a){this.document=null,this.tempUrl&&a&&(a.revokeUrl(this.tempUrl),this.tempUrl=!1)},EPUBJS.Chapter.prototype.setDocument=function(a){{var b=a.namespaceURI;a.doctype}this.document=a.implementation.createDocument(b,null,null),this.contents=this.document.importNode(a.documentElement,!0),this.document.appendChild(this.contents),!this.document.evaluate&&document.evaluate&&(this.document.evaluate=document.evaluate)},EPUBJS.Chapter.prototype.cfiFromRange=function(a){var b,c,d,e,f,g;if(this.document){if("undefined"!=typeof document.evaluate){if(c=EPUBJS.core.getElementXPath(a.startContainer),d=EPUBJS.core.getElementXPath(a.endContainer),e=this.document.evaluate(c,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue,a.collapsed||(f=this.document.evaluate(d,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue),b=this.document.createRange(),e)try{b.setStart(e,a.startOffset),!a.collapsed&&f&&b.setEnd(f,a.endOffset)}catch(h){console.log("missed"),e=!1}e||(console.log("not found, try fuzzy match"),cleanStartTextContent=EPUBJS.core.cleanStringForXpath(a.startContainer.textContent),c="//text()[contains(.,"+cleanStartTextContent+")]",e=this.document.evaluate(c,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue,e&&(b.setStart(e,a.startOffset),a.collapsed||(g=EPUBJS.core.cleanStringForXpath(a.endContainer.textContent),d="//text()[contains(.,"+g+")]",f=this.document.evaluate(d,this.document,EPUBJS.core.nsResolver,XPathResult.FIRST_ORDERED_NODE_TYPE,null).singleNodeValue,f&&b.setEnd(f,a.endOffset))))}else b=a;return this.epubcfi.generateCfiFromRange(b,this.cfiBase)}},EPUBJS.Chapter.prototype.find=function(a){var b=this,c=[],d=a.toLowerCase(),e=function(a){for(var 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this.documentElement=a,this.spreadWidth=i+k,a.style.overflow="hidden",a.style.width=i+"px",a.style.height=c+"px",a.style[e]="horizontal",a.style[h]="auto",a.style[g]=i+"px",a.style[f]=k+"px",this.colWidth=i,this.gap=k,{pageWidth:this.spreadWidth,pageHeight:c}},EPUBJS.Layout.Reflowable.prototype.calculatePages=function(){var a,b;return this.documentElement.style.width="auto",a=this.documentElement.scrollWidth,b=Math.ceil(a/this.spreadWidth),{displayedPages:b,pageCount:b}},EPUBJS.Layout.ReflowableSpreads=function(){this.documentElement=null,this.spreadWidth=null},EPUBJS.Layout.ReflowableSpreads.prototype.format=function(a,b,c,d){var e=EPUBJS.core.prefixed("columnAxis"),f=EPUBJS.core.prefixed("columnGap"),g=EPUBJS.core.prefixed("columnWidth"),h=EPUBJS.core.prefixed("columnFill"),i=2,j=Math.floor(b),k=j%2===0?j:j-1,l=Math.floor(k/8),m=d>=0?d:l%2===0?l:l-1,n=Math.floor((k-m)/i);return this.documentElement=a,this.spreadWidth=(n+m)*i,a.style.overflow="hidden",a.style.width=k+"px",a.style.height=c+"px",a.style[e]="horizontal",a.style[h]="auto",a.style[f]=m+"px",a.style[g]=n+"px",this.colWidth=n,this.gap=m,{pageWidth:this.spreadWidth,pageHeight:c}},EPUBJS.Layout.ReflowableSpreads.prototype.calculatePages=function(){var a=this.documentElement.scrollWidth,b=Math.ceil(a/this.spreadWidth);return this.documentElement.style.width=b*this.spreadWidth-this.gap+"px",{displayedPages:b,pageCount:2*b}},EPUBJS.Layout.Fixed=function(){this.documentElement=null},EPUBJS.Layout.Fixed.prototype.format=function(a){var b,c,d,e,f=EPUBJS.core.prefixed("columnWidth"),g=a.querySelector("[name=viewport]");return this.documentElement=a,g&&g.hasAttribute("content")&&(b=g.getAttribute("content"),c=b.split(","),c[0]&&(d=c[0].replace("width=","")),c[1]&&(e=c[1].replace("height=",""))),a.style.width=d+"px"||"auto",a.style.height=e+"px"||"auto",a.style[f]="auto",a.style.overflow="auto",this.colWidth=d,this.gap=0,{pageWidth:d,pageHeight:e}},EPUBJS.Layout.Fixed.prototype.calculatePages=function(){return{displayedPages:1,pageCount:1}},EPUBJS.Locations=function(a,b,c){this.spine=a,this.store=b,this.credentials=c,this.epubcfi=new EPUBJS.EpubCFI,this._locations=[],this.total=0,this.break=150,this._current=0},EPUBJS.Locations.prototype.generate=function(){{var a=new RSVP.defer,b=-1,c=this.spine.length,d=function(a){var e,f=b+1,g=a||new RSVP.defer;return f>=c?g.resolve():(b=f,e=new EPUBJS.Chapter(this.spine[b],this.store,this.credentials),this.process(e).then(function(){setTimeout(function(){d(g)},1)})),g.promise}.bind(this);d().then(function(){this.total=this._locations.length-1,this._currentCfi&&(this.currentLocation=this._currentCfi),a.resolve(this._locations)}.bind(this))}return a.promise},EPUBJS.Locations.prototype.process=function(a){return a.load().then(function(b){var c,d,e=b,f=e.documentElement.querySelector("body"),g=0;this.sprint(f,function(b){var f,h=b.length,i=0;for(0===g&&(c=e.createRange(),c.setStart(b,0)),f=this.break-g,f>h&&(g+=h,i=h);h>i;)g=this.break,i+=this.break,i>=h?g=h-(i-this.break):(c.setEnd(b,i),cfi=a.cfiFromRange(c),this._locations.push(cfi),g=0,i+=1,c=e.createRange(),c.setStart(b,i));d=b}.bind(this)),c&&(c.setEnd(d,d.length),cfi=a.cfiFromRange(c),this._locations.push(cfi),g=0)}.bind(this))},EPUBJS.Locations.prototype.sprint=function(a,b){for(var c=document.createTreeWalker(a,NodeFilter.SHOW_TEXT,null,!1);node=c.nextNode();)b(node)},EPUBJS.Locations.prototype.locationFromCfi=function(a){return 0===this._locations.length?-1:EPUBJS.core.locationOf(a,this._locations,this.epubcfi.compare)},EPUBJS.Locations.prototype.percentageFromCfi=function(a){var b=this.locationFromCfi(a);return this.percentageFromLocation(b)},EPUBJS.Locations.prototype.percentageFromLocation=function(a){return a&&this.total?a/this.total:0},EPUBJS.Locations.prototype.cfiFromLocation=function(a){var b=-1;return"number"!=typeof a&&(a=parseInt(a)),a>=0&&a<this._locations.length&&(b=this._locations[a]),b},EPUBJS.Locations.prototype.cfiFromPercentage=function(a){var b=a>1?a/100:a,c=Math.ceil(this.total*b);return this.cfiFromLocation(c)},EPUBJS.Locations.prototype.load=function(a){return this._locations=JSON.parse(a),this.total=this._locations.length-1,this._locations},EPUBJS.Locations.prototype.save=function(){return JSON.stringify(this._locations)},EPUBJS.Locations.prototype.getCurrent=function(){return this._current},EPUBJS.Locations.prototype.setCurrent=function(a){var b;if("string"==typeof a)this._currentCfi=a;else{if("number"!=typeof a)return;this._current=a}0!==this._locations.length&&("string"==typeof a?(b=this.locationFromCfi(a),this._current=b):b=a,this.trigger("changed",{percentage:this.percentageFromLocation(b)}))},Object.defineProperty(EPUBJS.Locations.prototype,"currentLocation",{get:function(){return this._current},set:function(a){this.setCurrent(a)}}),RSVP.EventTarget.mixin(EPUBJS.Locations.prototype),EPUBJS.Pagination=function(a){this.pages=[],this.locations=[],this.epubcfi=new EPUBJS.EpubCFI,a&&a.length&&this.process(a)},EPUBJS.Pagination.prototype.process=function(a){a.forEach(function(a){this.pages.push(a.page),this.locations.push(a.cfi)},this),this.pageList=a,this.firstPage=parseInt(this.pages[0]),this.lastPage=parseInt(this.pages[this.pages.length-1]),this.totalPages=this.lastPage-this.firstPage},EPUBJS.Pagination.prototype.pageFromCfi=function(a){var b=-1;if(0===this.locations.length)return-1;var c=EPUBJS.core.indexOfSorted(a,this.locations,this.epubcfi.compare);return-1!=c&&c<this.pages.length-1?b=this.pages[c]:(c=EPUBJS.core.locationOf(a,this.locations,this.epubcfi.compare),b=c-1>=0?this.pages[c-1]:this.pages[0],void 0!==b||(b=-1)),b},EPUBJS.Pagination.prototype.cfiFromPage=function(a){var b=-1;"number"!=typeof a&&(a=parseInt(a));var c=this.pages.indexOf(a);return-1!=c&&(b=this.locations[c]),b},EPUBJS.Pagination.prototype.pageFromPercentage=function(a){var b=Math.round(this.totalPages*a);return b},EPUBJS.Pagination.prototype.percentageFromPage=function(a){var b=(a-this.firstPage)/this.totalPages;return Math.round(1e3*b)/1e3},EPUBJS.Pagination.prototype.percentageFromCfi=function(a){var b=this.pageFromCfi(a),c=this.percentageFromPage(b);return c},EPUBJS.Parser=function(a){this.baseUrl=a||""},EPUBJS.Parser.prototype.container=function(a){var b,c,d,e;return a?(b=a.querySelector("rootfile"))?(c=b.getAttribute("full-path"),d=EPUBJS.core.uri(c).directory,e=a.xmlEncoding,{packagePath:c,basePath:d,encoding:e}):void console.error("No RootFile Found"):void console.error("Container File Not Found")},EPUBJS.Parser.prototype.identifier=function(a){var b;return a?(b=a.querySelector("metadata"),b?this.getElementText(b,"identifier"):void console.error("No Metadata Found")):void console.error("Package File Not Found")},EPUBJS.Parser.prototype.packageContents=function(a,b){var c,d,e,f,g,h,i,j,k,l,m,n=this;return b&&(this.baseUrl=b),a?(c=a.querySelector("metadata"))?(d=a.querySelector("manifest"))?(e=a.querySelector("spine"))?(f=n.manifest(d),g=n.findNavPath(d),h=n.findTocPath(d,e),i=n.findCoverPath(d),j=Array.prototype.indexOf.call(e.parentNode.childNodes,e),k=n.spine(e,f),l={},k.forEach(function(a){l[a.href]=a.index}),m=n.metadata(c),m.direction=e.getAttribute("page-progression-direction"),{metadata:m,spine:k,manifest:f,navPath:g,tocPath:h,coverPath:i,spineNodeIndex:j,spineIndexByURL:l}):void console.error("No Spine Found"):void console.error("No Manifest Found"):void console.error("No Metadata Found"):void console.error("Package File Not Found")},EPUBJS.Parser.prototype.findNavPath=function(a){var b=a.querySelector("item[properties$='nav'], item[properties^='nav '], item[properties*=' nav ']");return b?b.getAttribute("href"):!1},EPUBJS.Parser.prototype.findTocPath=function(a,b){var c,d=a.querySelector("item[media-type='application/x-dtbncx+xml']");return d||(c=b.getAttribute("toc"),c&&(d=a.querySelector("item[id='"+c+"']"))),d?d.getAttribute("href"):!1},EPUBJS.Parser.prototype.findCoverPath=function(a){var b=a.querySelector("item[properties='cover-image']");return b?b.getAttribute("href"):!1},EPUBJS.Parser.prototype.metadata=function(a){var b={},c=this;return b.bookTitle=c.getElementText(a,"title"),b.creator=c.getElementText(a,"creator"),b.description=c.getElementText(a,"description"),b.pubdate=c.getElementText(a,"date"),b.publisher=c.getElementText(a,"publisher"),b.identifier=c.getElementText(a,"identifier"),b.language=c.getElementText(a,"language"),b.rights=c.getElementText(a,"rights"),b.modified_date=c.querySelectorText(a,"meta[property='dcterms:modified']"),b.layout=c.querySelectorText(a,"meta[property='rendition:layout']"),b.orientation=c.querySelectorText(a,"meta[property='rendition:orientation']"),b.spread=c.querySelectorText(a,"meta[property='rendition:spread']"),b},EPUBJS.Parser.prototype.getElementText=function(a,b){var c,d=a.getElementsByTagNameNS("http://purl.org/dc/elements/1.1/",b);return d&&0!==d.length?(c=d[0],c.childNodes.length?c.childNodes[0].nodeValue:""):""},EPUBJS.Parser.prototype.querySelectorText=function(a,b){var c=a.querySelector(b);return c&&c.childNodes.length?c.childNodes[0].nodeValue:""},EPUBJS.Parser.prototype.manifest=function(a){var b=this.baseUrl,c={},d=a.querySelectorAll("item"),e=Array.prototype.slice.call(d);return e.forEach(function(a){var d=a.getAttribute("id"),e=a.getAttribute("href")||"",f=a.getAttribute("media-type")||"",g=a.getAttribute("properties")||"";c[d]={href:e,url:b+e,type:f,properties:g}}),c},EPUBJS.Parser.prototype.spine=function(a,b){var c=[],d=a.getElementsByTagName("itemref"),e=Array.prototype.slice.call(d),f=Array.prototype.indexOf.call(a.parentNode.childNodes,a),g=new EPUBJS.EpubCFI;return e.forEach(function(a,d){var e=a.getAttribute("idref"),h=g.generateChapterComponent(f,d,e),i=a.getAttribute("properties")||"",j=i.length?i.split(" "):[],k=b[e].properties,l=k.length?k.split(" "):[],m={id:e,linear:a.getAttribute("linear")||"",properties:j,manifestProperties:l,href:b[e].href,url:b[e].url,index:d,cfiBase:h,cfi:"epubcfi("+h+")"};c.push(m)}),c},EPUBJS.Parser.prototype.querySelectorByType=function(a,b,c){var d=a.querySelector(b+'[*|type="'+c+'"]');if(0!==d.length)return d;d=a.querySelectorAll(b);for(var e=0;e<d.length;e++)if(d[e].getAttributeNS("http://www.idpf.org/2007/ops","type")===c)return d[e]},EPUBJS.Parser.prototype.nav=function(a,b,c){var d,e,f,g=this.querySelectorByType(a,"nav","toc"),h=g?g.querySelectorAll("ol li"):[],i=h.length,j={},k=[];
if(!h||0===i)return k;for(d=0;i>d;++d)e=this.navItem(h[d],b,c),j[e.id]=e,e.parent?(f=j[e.parent],f.subitems.push(e)):k.push(e);return k},EPUBJS.Parser.prototype.navItem=function(a,b,c){var d,e=a.getAttribute("id")||!1,f=a.querySelector("a, span"),g=f.getAttribute("href")||"",h=f.textContent||"",i=g.split("#"),j=i[0],k=b[j],l=c[k],m=[],n=a.parentNode,o=l?l.cfi:"";return n&&"navPoint"===n.nodeName&&(d=n.getAttribute("id")),e||(k?(l=c[k],e=l.id,o=l.cfi):(e="epubjs-autogen-toc-id-"+EPUBJS.core.uuid(),a.setAttribute("id",e))),{id:e,href:g,label:h,spinePos:k,subitems:m,parent:d,cfi:o}},EPUBJS.Parser.prototype.toc=function(a,b,c){var d,e,f,g=a.querySelectorAll("navMap navPoint"),h=g.length,i={},j=[];if(!g||0===h)return j;for(d=0;h>d;++d)e=this.tocItem(g[d],b,c),i[e.id]=e,e.parent?(f=i[e.parent],f.subitems.push(e)):j.push(e);return j},EPUBJS.Parser.prototype.tocItem=function(a,b,c){var d,e=a.getAttribute("id")||!1,f=a.querySelector("content"),g=f.getAttribute("src"),h=a.querySelector("navLabel"),i=h.textContent?h.textContent:"",j=g.split("#"),k=j[0],l=b[k],m=c[l],n=[],o=a.parentNode,p=m?m.cfi:"";return o&&"navPoint"===o.nodeName&&(d=o.getAttribute("id")),e||(l?(m=c[l],e=m.id,p=m.cfi):(e="epubjs-autogen-toc-id-"+EPUBJS.core.uuid(),a.setAttribute("id",e))),{id:e,href:g,label:i,spinePos:l,subitems:n,parent:d,cfi:p}},EPUBJS.Parser.prototype.pageList=function(a,b,c){var d,e,f=this.querySelectorByType(a,"nav","page-list"),g=f?f.querySelectorAll("ol li"):[],h=g.length,i=[];if(!g||0===h)return i;for(d=0;h>d;++d)e=this.pageListItem(g[d],b,c),i.push(e);return i},EPUBJS.Parser.prototype.pageListItem=function(a){var b,c,d,e=(a.getAttribute("id")||!1,a.querySelector("a")),f=e.getAttribute("href")||"",g=e.textContent||"",h=parseInt(g),i=f.indexOf("epubcfi");return-1!=i?(b=f.split("#"),c=b[0],d=b.length>1?b[1]:!1,{cfi:d,href:f,packageUrl:c,page:h}):{href:f,page:h}},EPUBJS.Render.Iframe=function(){this.iframe=null,this.document=null,this.window=null,this.docEl=null,this.bodyEl=null,this.leftPos=0,this.pageWidth=0},EPUBJS.Render.Iframe.prototype.create=function(){return this.iframe=document.createElement("iframe"),this.iframe.id="epubjs-iframe:"+EPUBJS.core.uuid(),this.iframe.scrolling="no",this.iframe.seamless="seamless",this.iframe.style.border="none",this.iframe.addEventListener("load",this.loaded.bind(this),!1),this.isMobile=navigator.userAgent.match(/(iPad|iPhone|iPod|Mobile|Android)/g),this.transform=EPUBJS.core.prefixed("transform"),this.iframe},EPUBJS.Render.Iframe.prototype.load=function(a){var b=this,c=new RSVP.defer;return this.window&&this.unload(),this.iframe.onload=function(){b.document=b.iframe.contentDocument,b.docEl=b.document.documentElement,b.headEl=b.document.head,b.bodyEl=b.document.body||b.document.querySelector("body"),b.window=b.iframe.contentWindow,b.window.addEventListener("resize",b.resized.bind(b),!1),b.leftPos=0,b.setLeft(0),b.bodyEl&&(b.bodyEl.style.margin="0"),"rtl"==b.direction&&"rtl"!=b.docEl.dir&&(b.docEl.dir="rtl",b.docEl.style.position="absolute",b.docEl.style.right="0"),c.resolve(b.docEl)},this.iframe.onerror=function(a){c.reject({message:"Error Loading Contents: "+a,stack:(new Error).stack})},this.document=this.iframe.contentDocument,this.document?(this.document.open(),this.document.write(a),this.document.close(),c.promise):(c.reject(new Error("No Document Available")),c)},EPUBJS.Render.Iframe.prototype.loaded=function(){var a,b,c=this.iframe.contentWindow.location.href;this.document=this.iframe.contentDocument,this.docEl=this.document.documentElement,this.headEl=this.document.head,this.bodyEl=this.document.body||this.document.querySelector("body"),this.window=this.iframe.contentWindow,"about:blank"!=c&&(a=this.iframe.contentDocument.querySelector("base"),b=a.getAttribute("href"),this.trigger("render:loaded",b))},EPUBJS.Render.Iframe.prototype.resize=function(a,b){this.iframe&&(this.iframe.height=b,isNaN(a)||a%2===0||(a+=1),this.iframe.width=a,this.width=this.iframe.getBoundingClientRect().width||a,this.height=this.iframe.getBoundingClientRect().height||b)},EPUBJS.Render.Iframe.prototype.resized=function(){this.width=this.iframe.getBoundingClientRect().width,this.height=this.iframe.getBoundingClientRect().height},EPUBJS.Render.Iframe.prototype.totalWidth=function(){return this.docEl.scrollWidth},EPUBJS.Render.Iframe.prototype.totalHeight=function(){return this.docEl.scrollHeight},EPUBJS.Render.Iframe.prototype.setPageDimensions=function(a,b){this.pageWidth=a,this.pageHeight=b},EPUBJS.Render.Iframe.prototype.setDirection=function(a){this.direction=a,this.docEl&&"rtl"==this.docEl.dir&&(this.docEl.dir="rtl",this.docEl.style.position="static",this.docEl.style.right="auto")},EPUBJS.Render.Iframe.prototype.setLeft=function(a){this.isMobile?this.docEl.style[this.transform]="translate("+-a+"px, 0)":this.document.defaultView.scrollTo(a,0)},EPUBJS.Render.Iframe.prototype.setStyle=function(a,b,c){c&&(a=EPUBJS.core.prefixed(a)),this.bodyEl&&(this.bodyEl.style[a]=b)},EPUBJS.Render.Iframe.prototype.removeStyle=function(a){this.bodyEl&&(this.bodyEl.style[a]="")},EPUBJS.Render.Iframe.prototype.addHeadTag=function(a,b,c){var d=c||this.document,e=d.createElement(a),f=d.head;for(var g in b)e.setAttribute(g,b[g]);f&&f.insertBefore(e,f.firstChild)},EPUBJS.Render.Iframe.prototype.page=function(a){this.leftPos=this.pageWidth*(a-1),"rtl"===this.direction&&(this.leftPos=-1*this.leftPos),this.setLeft(this.leftPos)},EPUBJS.Render.Iframe.prototype.getPageNumberByElement=function(a){var b,c;if(a)return b=this.leftPos+a.getBoundingClientRect().left,c=Math.floor(b/this.pageWidth)+1},EPUBJS.Render.Iframe.prototype.getPageNumberByRect=function(a){var b,c;return b=this.leftPos+a.left,c=Math.floor(b/this.pageWidth)+1},EPUBJS.Render.Iframe.prototype.getBaseElement=function(){return this.bodyEl},EPUBJS.Render.Iframe.prototype.getDocumentElement=function(){return this.docEl},EPUBJS.Render.Iframe.prototype.isElementVisible=function(a){var b,c;return a&&"function"==typeof a.getBoundingClientRect&&(b=a.getBoundingClientRect(),c=b.left,0!==b.width&&0!==b.height&&c>=0&&c<this.pageWidth)?!0:!1},EPUBJS.Render.Iframe.prototype.scroll=function(a){this.iframe.scrolling=a?"yes":"no"},EPUBJS.Render.Iframe.prototype.unload=function(){this.window.removeEventListener("resize",this.resized),this.window.location.reload()},RSVP.EventTarget.mixin(EPUBJS.Render.Iframe.prototype),EPUBJS.Renderer=function(a,b){this.listenedEvents=["keydown","keyup","keypressed","mouseup","mousedown","click"],this.upEvent="mouseup",this.downEvent="mousedown","ontouchstart"in document.documentElement&&(this.listenedEvents.push("touchstart","touchend"),this.upEvent="touchend",this.downEvent="touchstart"),a&&"undefined"!=typeof EPUBJS.Render[a]?this.render=new EPUBJS.Render[a]:console.error("Not a Valid Rendering Method"),this.render.on("render:loaded",this.loaded.bind(this)),this.caches={},this.epubcfi=new EPUBJS.EpubCFI,this.spreads=!0,this.isForcedSingle=!1,this.resized=this.onResized.bind(this),this.layoutSettings={},this.hidden=b||!1,EPUBJS.Hooks.mixin(this),this.getHooks("beforeChapterDisplay"),this._q=EPUBJS.core.queue(this),this._moving=!1},EPUBJS.Renderer.prototype.Events=["renderer:keydown","renderer:keyup","renderer:keypressed","renderer:mouseup","renderer:mousedown","renderer:click","renderer:touchstart","renderer:touchend","renderer:selected","renderer:chapterUnloaded","renderer:chapterDisplayed","renderer:locationChanged","renderer:visibleLocationChanged","renderer:resized","renderer:spreads"],EPUBJS.Renderer.prototype.initialize=function(a,b,c){this.container=a,this.element=this.render.create(),this.initWidth=b,this.initHeight=c,this.width=b||this.container.clientWidth,this.height=c||this.container.clientHeight,this.container.appendChild(this.element),b&&c?this.render.resize(this.width,this.height):this.render.resize("100%","100%"),document.addEventListener("orientationchange",this.onResized)},EPUBJS.Renderer.prototype.displayChapter=function(a,b){return this._moving?void console.error("Rendering In Progress"):(this._moving=!0,a.render().then(function(c){return this.currentChapter&&(this.currentChapter.unload(),this.render.window&&this.render.window.removeEventListener("resize",this.resized),this.removeEventListeners(),this.removeSelectionListeners(),this.trigger("renderer:chapterUnloaded"),this.contents=null,this.doc=null,this.pageMap=null),this.currentChapter=a,this.chapterPos=1,this.currentChapterCfiBase=a.cfiBase,this.layoutSettings=this.reconcileLayoutSettings(b,a.properties),this.load(c,a.href)}.bind(this)))},EPUBJS.Renderer.prototype.load=function(a,b){var c=new RSVP.defer;return this.layoutMethod=this.determineLayout(this.layoutSettings),this.layout=new EPUBJS.Layout[this.layoutMethod],this.visible(!1),render=this.render.load(a,b),render.then(function(a){this.afterLoad(a),this.beforeDisplay(function(){this.afterDisplay(),this.visible(!0),c.resolve(this)}.bind(this))}.bind(this)),c.promise},EPUBJS.Renderer.prototype.afterLoad=function(a){this.currentChapter.setDocument(this.render.document),this.contents=a,this.doc=this.render.document,this.formated=this.layout.format(a,this.render.width,this.render.height,this.gap),this.render.setPageDimensions(this.formated.pageWidth,this.formated.pageHeight),this.initWidth||this.initHeight||this.render.window.addEventListener("resize",this.resized,!1),this.addEventListeners(),this.addSelectionListeners()},EPUBJS.Renderer.prototype.afterDisplay=function(){var a=this.layout.calculatePages(),b=this.currentChapter,c=this._q.length();this._moving=!1,this.updatePages(a),this.visibleRangeCfi=this.getVisibleRangeCfi(),this.currentLocationCfi=this.visibleRangeCfi.start,0===c&&(this.trigger("renderer:locationChanged",this.currentLocationCfi),this.trigger("renderer:visibleRangeChanged",this.visibleRangeCfi)),b.cfi=this.currentLocationCfi,this.trigger("renderer:chapterDisplayed",b)},EPUBJS.Renderer.prototype.loaded=function(a){this.trigger("render:loaded",a)},EPUBJS.Renderer.prototype.reconcileLayoutSettings=function(a,b){var c={};for(var d in a)a.hasOwnProperty(d)&&(c[d]=a[d]);return b.forEach(function(a){var b,d,e=a.replace("rendition:",""),f=e.indexOf("-");-1!=f&&(b=e.slice(0,f),d=e.slice(f+1),c[b]=d)}),c},EPUBJS.Renderer.prototype.determineLayout=function(a){var b=this.determineSpreads(this.minSpreadWidth),c=b?"ReflowableSpreads":"Reflowable",d=!1;return"pre-paginated"===a.layout&&(c="Fixed",d=!0,b=!1),"reflowable"===a.layout&&"none"===a.spread&&(c="Reflowable",d=!1,b=!1),"reflowable"===a.layout&&"both"===a.spread&&(c="ReflowableSpreads",d=!1,b=!0),this.spreads=b,this.render.scroll(d),this.trigger("renderer:spreads",b),c},EPUBJS.Renderer.prototype.beforeDisplay=function(a){this.triggerHooks("beforeChapterDisplay",a,this)},EPUBJS.Renderer.prototype.updatePages=function(){this.pageMap=this.mapPage(),this.displayedPages=this.spreads?Math.ceil(this.pageMap.length/2):this.pageMap.length,this.currentChapter.pages=this.pageMap.length,this._q.flush()},EPUBJS.Renderer.prototype.reformat=function(){var a,b=this;this.contents&&(spreads=this.determineSpreads(this.minSpreadWidth),spreads!=this.spreads&&(this.spreads=spreads,this.layoutMethod=this.determineLayout(this.layoutSettings),this.layout=new EPUBJS.Layout[this.layoutMethod]),this.chapterPos=1,this.render.page(this.chapterPos),b.formated=b.layout.format(b.render.docEl,b.render.width,b.render.height,b.gap),b.render.setPageDimensions(b.formated.pageWidth,b.formated.pageHeight),a=b.layout.calculatePages(),b.updatePages(a),b.currentLocationCfi&&b.gotoCfi(b.currentLocationCfi))},EPUBJS.Renderer.prototype.visible=function(a){return"undefined"==typeof a?this.element.style.visibility:void(a!==!0||this.hidden?a===!1&&(this.element.style.visibility="hidden"):this.element.style.visibility="visible")},EPUBJS.Renderer.prototype.remove=function(){this.render.window&&(this.render.unload(),this.render.window.removeEventListener("resize",this.resized),this.removeEventListeners(),this.removeSelectionListeners()),this.container.removeChild(this.element)},EPUBJS.Renderer.prototype.applyStyles=function(a){for(var b in a)this.render.setStyle(b,a[b])},EPUBJS.Renderer.prototype.setStyle=function(a,b,c){this.render.setStyle(a,b,c)},EPUBJS.Renderer.prototype.removeStyle=function(a){this.render.removeStyle(a)},EPUBJS.Renderer.prototype.applyHeadTags=function(a){for(var b in a)this.render.addHeadTag(b,a[b])},EPUBJS.Renderer.prototype.page=function(a){return this.pageMap?a>=1&&a<=this.displayedPages?(this.chapterPos=a,this.render.page(a),this.visibleRangeCfi=this.getVisibleRangeCfi(),this.currentLocationCfi=this.visibleRangeCfi.start,this.trigger("renderer:locationChanged",this.currentLocationCfi),this.trigger("renderer:visibleRangeChanged",this.visibleRangeCfi),!0):!1:(console.warn("pageMap not set, queuing"),this._q.enqueue("page",arguments),!0)},EPUBJS.Renderer.prototype.nextPage=function(){return this.page(this.chapterPos+1)},EPUBJS.Renderer.prototype.prevPage=function(){return this.page(this.chapterPos-1)},EPUBJS.Renderer.prototype.pageByElement=function(a){var b;a&&(b=this.render.getPageNumberByElement(a),this.page(b))},EPUBJS.Renderer.prototype.lastPage=function(){return this._moving?this._q.enqueue("lastPage",arguments):void this.page(this.displayedPages)},EPUBJS.Renderer.prototype.firstPage=function(){return this._moving?this._q.enqueue("firstPage",arguments):void this.page(1)},EPUBJS.Renderer.prototype.section=function(a){var b=this.doc.getElementById(a);b&&this.pageByElement(b)},EPUBJS.Renderer.prototype.firstElementisTextNode=function(a){var b=a.childNodes,c=b.length;return c&&b[0]&&3===b[0].nodeType&&b[0].textContent.trim().length?!0:!1},EPUBJS.Renderer.prototype.isGoodNode=function(a){var b=["audio","canvas","embed","iframe","img","math","object","svg","video"];return-1!==b.indexOf(a.tagName.toLowerCase())?!0:this.firstElementisTextNode(a)},EPUBJS.Renderer.prototype.walk=function(a,b,c){for(var d,e,f,g,h=a,i=[h],j=1e4,k=0;!d&&i.length;){if(a=i.shift(),this.containsPoint(a,b,c)&&this.isGoodNode(a)&&(d=a),!d&&a&&a.childElementCount>0){if(e=a.children,!e||!e.length)return d;f=e.length?e.length:0;for(var l=f-1;l>=0;l--)e[l]!=g&&i.unshift(e[l])}if(!d&&0===i.length&&h&&null!==h.parentNode&&(i.push(h.parentNode),g=h,h=h.parentNode),k++,k>j){console.error("ENDLESS LOOP");break}}return d},EPUBJS.Renderer.prototype.containsPoint=function(a,b){var c;return a&&"function"==typeof a.getBoundingClientRect&&(c=a.getBoundingClientRect(),0!==c.width&&0!==c.height&&c.left>=b&&b<=c.left+c.width)?!0:!1},EPUBJS.Renderer.prototype.textSprint=function(a,b){for(var c,d=document.createTreeWalker(a,NodeFilter.SHOW_TEXT,{acceptNode:function(a){return/^\s*$/.test(a.data)?NodeFilter.FILTER_REJECT:NodeFilter.FILTER_ACCEPT}},!1);c=d.nextNode();)b(c)},EPUBJS.Renderer.prototype.sprint=function(a,b){for(var c,d=document.createTreeWalker(a,NodeFilter.SHOW_ELEMENT,null,!1);c=d.nextNode();)b(c)},EPUBJS.Renderer.prototype.mapPage=function(){var a,b,c=this,d=[],e=this.render.getBaseElement(),f=1,g=this.layout.colWidth+this.layout.gap,h=this.formated.pageWidth*(this.chapterPos-1),i=g*f-h,j=0,k=function(a){var b,c,d=Array.prototype.slice.call(a.childNodes);if(a.nodeType==Node.ELEMENT_NODE){if(c=document.createRange(),c.selectNodeContents(a),b=c.getBoundingClientRect(),!b||0===b.width&&0===b.height)return;b.left>j&&d.forEach(function(a){a.nodeType==Node.TEXT_NODE&&a.textContent.trim().length&&l(a)}),b.right>j&&d.forEach(function(a){a.nodeType==Node.TEXT_NODE&&a.textContent.trim().length&&l(a)})}},l=function(e){var k=c.splitTextNodeIntoWordsRanges(e);k.forEach(function(e){var k=e.getBoundingClientRect();!k||0===k.width&&0===k.height||(k.left+k.width<i?d[f-1]||(e.collapse(!0),b=c.currentChapter.cfiFromRange(e),d.push({start:b,end:null})):(a&&(a.collapse(!0),b=c.currentChapter.cfiFromRange(a),d[d.length-1].end=b),e.collapse(!0),b=c.currentChapter.cfiFromRange(e),d.push({start:b,end:null}),f+=1,i=g*f-h,j=i),a=e)})},m=this.render.getDocumentElement(),n=m.dir;return"rtl"==n&&(m.dir="ltr",m.style.position="static"),this.sprint(e,k),"rtl"==n&&(m.dir=n,m.style.left="auto",m.style.right="0"),a&&(a.collapse(!0),b=c.currentChapter.cfiFromRange(a),d[d.length-1].end=b),d.length||(range=this.doc.createRange(),range.selectNodeContents(e),range.collapse(!0),b=c.currentChapter.cfiFromRange(range),d.push({start:b,end:b})),a=null,ranges=null,range=null,e=null,d},EPUBJS.Renderer.prototype.indexOfBreakableChar=function(a,b){var c="- 	\r\n\b\f";b||(b=0);for(var d=b;d<a.length;d++)if(-1!=c.indexOf(a.charAt(d)))return d;return-1},EPUBJS.Renderer.prototype.splitTextNodeIntoWordsRanges=function(a){var b,c=[],d=a.textContent.trim();if(pos=this.indexOfBreakableChar(d),-1===pos)return b=this.doc.createRange(),b.selectNodeContents(a),[b];for(b=this.doc.createRange(),b.setStart(a,0),b.setEnd(a,pos),c.push(b),b=this.doc.createRange(),b.setStart(a,pos+1);-1!=pos;)pos=this.indexOfBreakableChar(d,pos+1),pos>0&&(b&&(b.setEnd(a,pos),c.push(b)),b=this.doc.createRange(),b.setStart(a,pos+1));return b&&(b.setEnd(a,d.length),c.push(b)),c},EPUBJS.Renderer.prototype.rangePosition=function(a){var b,c;return c=a.getClientRects(),c.length?b=c[0]:null},EPUBJS.Renderer.prototype.getPageCfi=function(){var a;return this.spreads?(a=2*this.chapterPos,startRange=this.pageMap[a-2]):(a=this.chapterPos,startRange=this.pageMap[a-1]),this.pageMap[2*this.chapterPos-1].start},EPUBJS.Renderer.prototype.getRange=function(a,b,c){var d,e=this.doc.createRange();return c=!0,"undefined"==typeof document.caretPositionFromPoint||c?"undefined"==typeof document.caretRangeFromPoint||c?(this.visibileEl=this.findElementAfter(a,b),e.setStart(this.visibileEl,1)):e=this.doc.caretRangeFromPoint(a,b):(d=this.doc.caretPositionFromPoint(a,b),e.setStart(d.offsetNode,d.offset)),e},EPUBJS.Renderer.prototype.pagesInCurrentChapter=function(){var a,b;return this.pageMap?(b=this.pageMap.length,a=this.spreads?Math.ceil(b/2):b):(console.warn("page map not loaded"),!1)},EPUBJS.Renderer.prototype.currentRenderedPage=function(){var a;return this.pageMap?a=this.spreads&&this.layout.pageCount>1?2*this.chapterPos:this.chapterPos:(console.warn("page map not loaded"),!1)},EPUBJS.Renderer.prototype.getRenderedPagesLeft=function(){var a,b,c;return this.pageMap?(b=this.pageMap.length,a=this.spreads?2*this.chapterPos:this.chapterPos,c=b-a):(console.warn("page map not loaded"),!1)},EPUBJS.Renderer.prototype.getVisibleRangeCfi=function(){var a,b,c;return this.pageMap?(this.spreads?(a=2*this.chapterPos,b=this.pageMap[a-2],c=b,this.layout.pageCount>1&&(c=this.pageMap[a-1])):(a=this.chapterPos,b=this.pageMap[a-1],c=b),b||(console.warn("page range miss:",a,this.pageMap),b=this.pageMap[this.pageMap.length-1],c=b),{start:b.start,end:c.end}):(console.warn("page map not loaded"),!1)},EPUBJS.Renderer.prototype.gotoCfi=function(a){var b,c,d;if(this._moving)return this._q.enqueue("gotoCfi",arguments);if(EPUBJS.core.isString(a)&&(a=this.epubcfi.parse(a)),"undefined"==typeof document.evaluate)c=this.epubcfi.addMarker(a,this.doc),c&&(b=this.render.getPageNumberByElement(c),this.epubcfi.removeMarker(c,this.doc),this.page(b));else if(d=this.epubcfi.generateRangeFromCfi(a,this.doc)){var e=d.getBoundingClientRect();b=e?this.render.getPageNumberByRect(e):1,this.page(b),this.currentLocationCfi=a.str}else this.page(1)},EPUBJS.Renderer.prototype.findFirstVisible=function(a){var b,c=a||this.render.getBaseElement();return b=this.walk(c,0,0),b?b:a},EPUBJS.Renderer.prototype.findElementAfter=function(a,b,c){var d,e=c||this.render.getBaseElement();return d=this.walk(e,a,b),d?d:e},EPUBJS.Renderer.prototype.resize=function(a,b,c){this.width=a,this.height=b,c!==!1&&this.render.resize(this.width,this.height),this.contents&&this.reformat(),this.trigger("renderer:resized",{width:this.width,height:this.height})},EPUBJS.Renderer.prototype.onResized=function(){var a=this.container.clientWidth,b=this.container.clientHeight;this.resize(a,b,!1)},EPUBJS.Renderer.prototype.addEventListeners=function(){this.render.document&&this.listenedEvents.forEach(function(a){this.render.document.addEventListener(a,this.triggerEvent.bind(this),!1)},this)},EPUBJS.Renderer.prototype.removeEventListeners=function(){this.render.document&&this.listenedEvents.forEach(function(a){this.render.document.removeEventListener(a,this.triggerEvent,!1)},this)},EPUBJS.Renderer.prototype.triggerEvent=function(a){this.trigger("renderer:"+a.type,a)},EPUBJS.Renderer.prototype.addSelectionListeners=function(){this.render.document.addEventListener("selectionchange",this.onSelectionChange.bind(this),!1)},EPUBJS.Renderer.prototype.removeSelectionListeners=function(){this.render.document&&this.doc.removeEventListener("selectionchange",this.onSelectionChange,!1)},EPUBJS.Renderer.prototype.onSelectionChange=function(){this.selectionEndTimeout&&clearTimeout(this.selectionEndTimeout),this.selectionEndTimeout=setTimeout(function(){this.selectedRange=this.render.window.getSelection(),this.trigger("renderer:selected",this.selectedRange)}.bind(this),500)},EPUBJS.Renderer.prototype.setMinSpreadWidth=function(a){this.minSpreadWidth=a,this.spreads=this.determineSpreads(a)},EPUBJS.Renderer.prototype.determineSpreads=function(a){return this.isForcedSingle||!a||this.width<a?!1:!0},EPUBJS.Renderer.prototype.forceSingle=function(a){this.isForcedSingle=a?!0:!1},EPUBJS.Renderer.prototype.setGap=function(a){this.gap=a},EPUBJS.Renderer.prototype.setDirection=function(a){this.direction=a,this.render.setDirection(this.direction)},EPUBJS.Renderer.prototype.replace=function(a,b,c,d){var e=this.contents.querySelectorAll(a),f=Array.prototype.slice.call(e),g=f.length;return 0===g?void c(!1):void f.forEach(function(a){var e=!1,f=function(a,b){e===!1&&(g--,d&&d(a,b,g),0>=g&&c&&c(!0),e=!0)};b(a,f)}.bind(this))},RSVP.EventTarget.mixin(EPUBJS.Renderer.prototype);var EPUBJS=EPUBJS||{};EPUBJS.replace={},EPUBJS.replace.hrefs=function(a,b){var c=this,d=function(a,d){var e,f,g,h,i,j=a.getAttribute("href"),k=j.search("://");-1!=k?a.setAttribute("target","_blank"):(g=b.render.docEl.querySelector("base"),i=g.getAttribute("href"),h=EPUBJS.core.uri(i),e=h.directory,f=e?"file"===h.protocol?EPUBJS.core.resolveUrl(h.base,j):EPUBJS.core.resolveUrl(e,j):j,a.onclick=function(){return c.goto(f),!1}),d()};b.replace("a[href]",d,a)},EPUBJS.replace.head=function(a,b){b.replaceWithStored("link[href]","href",EPUBJS.replace.links,a)},EPUBJS.replace.resources=function(a,b){b.replaceWithStored("[src]","src",EPUBJS.replace.srcs,a)},EPUBJS.replace.svg=function(a,b){b.replaceWithStored("svg image","xlink:href",function(a,b,c){a.getUrl(b).then(c)},a)},EPUBJS.replace.srcs=function(a,b,c){a.getUrl(b).then(c)},EPUBJS.replace.links=function(a,b,c,d){"stylesheet"===d.getAttribute("rel")?EPUBJS.replace.stylesheets(a,b).then(function(a,b){c(a,b)},function(){c(null)}):a.getUrl(b).then(c,function(){c(null)})},EPUBJS.replace.stylesheets=function(a,b){var c=new RSVP.defer;if(a)return a.getText(b).then(function(d){EPUBJS.replace.cssUrls(a,b,d).then(function(a){var b=window.URL||window.webkitURL||window.mozURL,d=new Blob([a],{type:"text/css"}),e=b.createObjectURL(d);c.resolve(e)},function(a){c.reject(a)})},function(a){c.reject(a)}),c.promise},EPUBJS.replace.cssUrls=function(a,b,c){var d=new RSVP.defer,e=[],f=c.match(/url\(\'?\"?([^\'|^\"^\)]*)\'?\"?\)/g);if(a)return f?(f.forEach(function(f){var g=EPUBJS.core.resolveUrl(b,f.replace(/url\(|[|\)|\'|\"]/g,"")),h=a.getUrl(g).then(function(a){c=c.replace(f,'url("'+a+'")')},function(a){d.reject(a)});e.push(h)}),RSVP.all(e).then(function(){d.resolve(c)}),d.promise):(d.resolve(c),d.promise)},EPUBJS.Storage=function(a){this.checkRequirements(),this.urlCache={},this.withCredentials=a,this.URL=window.URL||window.webkitURL||window.mozURL,this.offline=!1},EPUBJS.Storage.prototype.checkRequirements=function(){"undefined"==typeof localforage&&console.error("localForage library not loaded")},EPUBJS.Storage.prototype.put=function(a){var b=new RSVP.defer,c=a.length,d=0,e=function(b){var f,g,h=b||new RSVP.defer;return d>=c?h.resolve():(f=a[d].url,g=window.encodeURIComponent(f),EPUBJS.core.request(f,"binary").then(function(a){return localforage.setItem(g,a)}).then(function(){d++,setTimeout(function(){e(h)},1)})),h.promise}.bind(this);return Array.isArray(a)||(a=[a]),e().then(function(){b.resolve()}.bind(this)),b.promise},EPUBJS.Storage.prototype.token=function(a,b){var c=window.encodeURIComponent(a);return localforage.setItem(c,b).then(function(a){return null===a?!1:!0})},EPUBJS.Storage.prototype.isStored=function(a){var b=window.encodeURIComponent(a);return localforage.getItem(b).then(function(a){return null===a?!1:!0})},EPUBJS.Storage.prototype.getText=function(a){var b=window.encodeURIComponent(a);return EPUBJS.core.request(a,"arraybuffer",this.withCredentials).then(function(a){return this.offline&&(this.offline=!1,this.trigger("offline",!1)),localforage.setItem(b,a),a}.bind(this)).then(function(b){var c=new RSVP.defer,d=EPUBJS.core.getMimeType(a),e=new Blob([b],{type:d}),f=new FileReader;return f.addEventListener("loadend",function(){c.resolve(f.result)}),f.readAsText(e,d),c.promise}).catch(function(){var c=new RSVP.defer,d=localforage.getItem(b);return this.offline||(this.offline=!0,this.trigger("offline",!0)),d?(d.then(function(b){var d=EPUBJS.core.getMimeType(a),e=new Blob([b],{type:d}),f=new FileReader;f.addEventListener("loadend",function(){c.resolve(f.result)}),f.readAsText(e,d)}),c.promise):(c.reject({message:"File not found in the storage: "+a,stack:(new Error).stack}),c.promise)}.bind(this))},EPUBJS.Storage.prototype.getUrl=function(a){var b=window.encodeURIComponent(a);return EPUBJS.core.request(a,"arraybuffer",this.withCredentials).then(function(c){return this.offline&&(this.offline=!1,this.trigger("offline",!1)),localforage.setItem(b,c),a}.bind(this)).catch(function(){var c,d,e=new RSVP.defer,f=window.URL||window.webkitURL||window.mozURL;return this.offline||(this.offline=!0,this.trigger("offline",!0)),b in this.urlCache?(e.resolve(this.urlCache[b]),e.promise):(c=localforage.getItem(b))?(c.then(function(c){var g=new Blob([c],{type:EPUBJS.core.getMimeType(a)});d=f.createObjectURL(g),e.resolve(d),this.urlCache[b]=d}.bind(this)),e.promise):(e.reject({message:"File not found in the storage: "+a,stack:(new Error).stack}),e.promise)}.bind(this))},EPUBJS.Storage.prototype.getXml=function(a){var b=window.encodeURIComponent(a);return EPUBJS.core.request(a,"arraybuffer",this.withCredentials).then(function(a){return this.offline&&(this.offline=!1,this.trigger("offline",!1)),localforage.setItem(b,a),a}.bind(this)).then(function(b){var c=new RSVP.defer,d=EPUBJS.core.getMimeType(a),e=new Blob([b],{type:d}),f=new FileReader;return 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