(function(w,V){typeof exports=="object"&&typeof module<"u"?V(exports):typeof define=="function"&&define.amd?define(["exports"],V):(w=typeof globalThis<"u"?globalThis:w||self,V(w["navigator-html-injectables"]={}))})(this,function(w){"use strict";const V=Math.pow(2,32),Le=()=>Math.round(Math.random()*V).toString(36),ze=()=>`${Math.round(performance.now())}-${Le()}-${Le()}`,H=1;class Ie{constructor(e){this.destination=null,this.registrar=new Map,this.origin="",this.channelId="",this.receiver=this.receive.bind(this),this.preLog=[],this.wnd=e,e.addEventListener("message",this.receiver)}receive(e){if(e.source===null)throw Error("Event source is null");if(typeof e.data!="object")return;const t=e.data;if(!(!("_readium"in t)||!t._readium||t._readium<=0)){if(t.key==="_ping"){if(!this.destination){if(this.destination=e.source,this.origin=e.origin,this.channelId=t._channel,t._readium!==H){t._readium>H?this.send("error",`received comms version ${t._readium} higher than ${H}`):this.send("error",`received comms version ${t._readium} lower than ${H}`),this.destination=null,this.origin="",this.channelId="";return}this.send("_pong",void 0),this.preLog.forEach(r=>this.send("log",r)),this.preLog=[]}return}else if(this.channelId){if(t._channel!==this.channelId||e.origin!==this.origin)return}else return;this.handle(t)}}handle(e){const t=this.registrar.get(e.key);if(!t||t.length===0){e.strict&&this.send("_unhandled",e);return}t.forEach(r=>r.cb(e.data,s=>{this.send("_ack",s,e.id)}))}register(e,t,r){Array.isArray(e)||(e=[e]),e.forEach(s=>{const n=this.registrar.get(s);if(n&&n.length>=0){if(n.find(a=>a.module===t))throw new Error(`Trying to register another callback for combination of event ${s} and module ${t}`);n.push({cb:r,module:t}),this.registrar.set(s,n)}else this.registrar.set(s,[{cb:r,module:t}])})}unregister(e,t){Array.isArray(e)||(e=[e]),e.forEach(r=>{const 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pe({algorithm:e.algorithm,compression:e.compression,originalLength:e.originalLength,profile:e.profile,scheme:e.scheme})}serialize(){const e={algorithm:this.algorithm};return this.compression!==void 0&&(e.compression=this.compression),this.originalLength!==void 0&&(e.originalLength=this.originalLength),this.profile!==void 0&&(e.profile=this.profile),this.scheme!==void 0&&(e.scheme=this.scheme),e}}class b{constructor(e){this.otherProperties=e}static deserialize(e){if(e)return new b(e)}serialize(){return this.otherProperties}add(e){const t=Object.assign({},this.otherProperties);for(const r in e)t[r]=e[r];return new b(t)}}Object.defineProperty(b.prototype,"encryption",{get:function(){return pe.deserialize(this.otherProperties.encrypted)}}),b.prototype.getContains=function(){return new Set(this.otherProperties.contains||[])},b.prototype.getLayout=function(){return this.otherProperties.layout};class l{constructor(e){let t,r,s=e.mediaType.replace(/\s/g,"").split(";");const n=s[0].split("/");if(n.length===2){if(t=n[0].toLowerCase().trim(),r=n[1].toLowerCase().trim(),t.length===0||r.length===0)throw new Error("Invalid media type")}else throw new Error("Invalid media type");const o={};for(let u=1;u<s.length;u++){const f=s[u].split("=");if(f.length===2){const v=f[0].toLocaleLowerCase(),g=v==="charset"?f[1].toUpperCase():f[1];o[v]=g}}const a={},h=Object.keys(o);h.sort((u,f)=>u.localeCompare(f)),h.forEach(u=>a[u]=o[u]);let c="";for(const u in a){const f=a[u];c+=`;${u}=${f}`}const d=`${t}/${r}${c}`,p=a.encoding;this.string=d,this.type=t,this.subtype=r,this.parameters=a,this.encoding=p,this.name=e.name,this.fileExtension=e.fileExtension}static parse(e){return new l(e)}get structuredSyntaxSuffix(){const e=this.subtype.split("+");return e.length>1?`+${e[e.length-1]}`:void 0}get charset(){return this.parameters.charset}contains(e){const t=typeof e=="string"?l.parse({mediaType:e}):e;if(!((this.type==="*"||this.type===t.type)&&(this.subtype==="*"||this.subtype===t.subtype)))return!1;const r=new Set(Object.entries(this.parameters).map(([n,o])=>`${n}=${o}`)),s=new Set(Object.entries(t.parameters).map(([n,o])=>`${n}=${o}`));for(const n of Array.from(r.values()))if(!s.has(n))return!1;return!0}matches(e){const t=typeof e=="string"?l.parse({mediaType:e}):e;return this.contains(t)||t.contains(this)}matchesAny(...e){for(const t of e)if(this.matches(t))return!0;return!1}equals(e){return this.string===e.string}get isZIP(){return this.matchesAny(l.ZIP,l.LCP_PROTECTED_AUDIOBOOK,l.LCP_PROTECTED_PDF)||this.structuredSyntaxSuffix==="+zip"}get isJSON(){return this.matchesAny(l.JSON)||this.structuredSyntaxSuffix==="+json"}get isOPDS(){return this.matchesAny(l.OPDS1,l.OPDS1_ENTRY,l.OPDS2,l.OPDS2_PUBLICATION,l.OPDS_AUTHENTICATION)||this.structuredSyntaxSuffix==="+json"}get isHTML(){return this.matchesAny(l.HTML,l.XHTML)}get isBitmap(){return this.matchesAny(l.BMP,l.GIF,l.JPEG,l.PNG,l.TIFF,l.WEBP)}get isAudio(){return this.type==="audio"}get isVideo(){return this.type==="video"}get isRWPM(){return this.matchesAny(l.READIUM_AUDIOBOOK_MANIFEST,l.DIVINA_MANIFEST,l.READIUM_WEBPUB_MANIFEST)}get isPublication(){return this.matchesAny(l.READIUM_AUDIOBOOK,l.READIUM_AUDIOBOOK_MANIFEST,l.CBZ,l.DIVINA,l.DIVINA_MANIFEST,l.EPUB,l.LCP_PROTECTED_AUDIOBOOK,l.LCP_PROTECTED_PDF,l.LPF,l.PDF,l.W3C_WPUB_MANIFEST,l.READIUM_WEBPUB,l.READIUM_WEBPUB_MANIFEST,l.ZAB)}static get AAC(){return l.parse({mediaType:"audio/aac",fileExtension:"aac"})}static get ACSM(){return l.parse({mediaType:"application/vnd.adobe.adept+xml",name:"Adobe Content Server Message",fileExtension:"acsm"})}static get AIFF(){return l.parse({mediaType:"audio/aiff",fileExtension:"aiff"})}static get AVI(){return l.parse({mediaType:"video/x-msvideo",fileExtension:"avi"})}static get BINARY(){return l.parse({mediaType:"application/octet-stream"})}static get BMP(){return l.parse({mediaType:"image/bmp",fileExtension:"bmp"})}static get CBZ(){return l.parse({mediaType:"application/vnd.comicbook+zip",name:"Comic Book Archive",fileExtension:"cbz"})}static get CSS(){return l.parse({mediaType:"text/css",fileExtension:"css"})}static get DIVINA(){return l.parse({mediaType:"application/divina+zip",name:"Digital Visual Narratives",fileExtension:"divina"})}static get DIVINA_MANIFEST(){return l.parse({mediaType:"application/divina+json",name:"Digital Visual Narratives",fileExtension:"json"})}static get EPUB(){return l.parse({mediaType:"application/epub+zip",name:"EPUB",fileExtension:"epub"})}static get GIF(){return l.parse({mediaType:"image/gif",fileExtension:"gif"})}static get GZ(){return l.parse({mediaType:"application/gzip",fileExtension:"gz"})}static get HTML(){return l.parse({mediaType:"text/html",fileExtension:"html"})}static get JAVASCRIPT(){return l.parse({mediaType:"text/javascript",fileExtension:"js"})}static get JPEG(){return l.parse({mediaType:"image/jpeg",fileExtension:"jpeg"})}static get JSON(){return l.parse({mediaType:"application/json"})}static get LCP_LICENSE_DOCUMENT(){return l.parse({mediaType:"application/vnd.readium.lcp.license.v1.0+json",name:"LCP License",fileExtension:"lcpl"})}static get LCP_PROTECTED_AUDIOBOOK(){return l.parse({mediaType:"application/audiobook+lcp",name:"LCP Protected Audiobook",fileExtension:"lcpa"})}static get LCP_PROTECTED_PDF(){return l.parse({mediaType:"application/pdf+lcp",name:"LCP Protected PDF",fileExtension:"lcpdf"})}static get LCP_STATUS_DOCUMENT(){return l.parse({mediaType:"application/vnd.readium.license.status.v1.0+json"})}static get LPF(){return l.parse({mediaType:"application/lpf+zip",fileExtension:"lpf"})}static get MP3(){return l.parse({mediaType:"audio/mpeg",fileExtension:"mp3"})}static get MPEG(){return l.parse({mediaType:"video/mpeg",fileExtension:"mpeg"})}static get NCX(){return l.parse({mediaType:"application/x-dtbncx+xml",fileExtension:"ncx"})}static get OGG(){return l.parse({mediaType:"audio/ogg",fileExtension:"oga"})}static get OGV(){return l.parse({mediaType:"video/ogg",fileExtension:"ogv"})}static get OPDS1(){return l.parse({mediaType:"application/atom+xml;profile=opds-catalog"})}static get OPDS1_ENTRY(){return l.parse({mediaType:"application/atom+xml;type=entry;profile=opds-catalog"})}static get OPDS2(){return l.parse({mediaType:"application/opds+json"})}static get OPDS2_PUBLICATION(){return l.parse({mediaType:"application/opds-publication+json"})}static get OPDS_AUTHENTICATION(){return l.parse({mediaType:"application/opds-authentication+json"})}static get OPUS(){return l.parse({mediaType:"audio/opus",fileExtension:"opus"})}static get OTF(){return l.parse({mediaType:"font/otf",fileExtension:"otf"})}static get PDF(){return l.parse({mediaType:"application/pdf",name:"PDF",fileExtension:"pdf"})}static get PNG(){return l.parse({mediaType:"image/png",fileExtension:"png"})}static get READIUM_AUDIOBOOK(){return l.parse({mediaType:"application/audiobook+zip",name:"Readium Audiobook",fileExtension:"audiobook"})}static get READIUM_AUDIOBOOK_MANIFEST(){return l.parse({mediaType:"application/audiobook+json",name:"Readium Audiobook",fileExtension:"json"})}static get READIUM_CONTENT_DOCUMENT(){return l.parse({mediaType:"application/vnd.readium.content+json",name:"Readium Content Document",fileExtension:"json"})}static get READIUM_GUIDED_NAVIGATION_DOCUMENT(){return l.parse({mediaType:"application/guided-navigation+json",name:"Readium Guided Navigation Document",fileExtension:"json"})}static get READIUM_POSITION_LIST(){return l.parse({mediaType:"application/vnd.readium.position-list+json",name:"Readium Position List",fileExtension:"json"})}static get READIUM_WEBPUB(){return l.parse({mediaType:"application/webpub+zip",name:"Readium Web Publication",fileExtension:"webpub"})}static get READIUM_WEBPUB_MANIFEST(){return l.parse({mediaType:"application/webpub+json",name:"Readium Web Publication",fileExtension:"json"})}static get SMIL(){return l.parse({mediaType:"application/smil+xml",fileExtension:"smil"})}static get SVG(){return l.parse({mediaType:"image/svg+xml",fileExtension:"svg"})}static get TEXT(){return l.parse({mediaType:"text/plain",fileExtension:"txt"})}static get TIFF(){return l.parse({mediaType:"image/tiff",fileExtension:"tiff"})}static get TTF(){return l.parse({mediaType:"font/ttf",fileExtension:"ttf"})}static get W3C_WPUB_MANIFEST(){return l.parse({mediaType:"application/x.readium.w3c.wpub+json",name:"Web Publication",fileExtension:"json"})}static get WAV(){return l.parse({mediaType:"audio/wav",fileExtension:"wav"})}static get WEBM_AUDIO(){return l.parse({mediaType:"audio/webm",fileExtension:"webm"})}static get WEBM_VIDEO(){return l.parse({mediaType:"video/webm",fileExtension:"webm"})}static get WEBP(){return l.parse({mediaType:"image/webp",fileExtension:"webp"})}static get WOFF(){return l.parse({mediaType:"font/woff",fileExtension:"woff"})}static get WOFF2(){return l.parse({mediaType:"font/woff2",fileExtension:"woff2"})}static get XHTML(){return l.parse({mediaType:"application/xhtml+xml",fileExtension:"xhtml"})}static get XML(){return l.parse({mediaType:"application/xml",fileExtension:"xml"})}static get ZAB(){return l.parse({mediaType:"application/x.readium.zab+zip",name:"Zipped Audio Book",fileExtension:"zab"})}static get ZIP(){return l.parse({mediaType:"application/zip",fileExtension:"zip"})}}class De{constructor(e){this.uri=e,this.parameters=this.getParameters(e)}getParameters(e){const t=/\{\??([^}]+)\}/g,r=e.match(t);return r?new Set(r.join(",").replace(t,"$1").split(",").map(s=>s.trim())):new Set}expand(e){const t=s=>s.split(",").map(n=>{const o=e[n];return o?encodeURIComponent(o):""}).join(","),r=s=>"?"+s.split(",").map(n=>{const o=n.split("=")[0],a=e[o];return a?`${o}=${encodeURIComponent(a)}`:""}).join("&");return this.uri.replace(/\{(\??)([^}]+)\}/g,(...s)=>s[1]?r(s[2]):t(s[2]))}}function Bt(i){return i&&i instanceof Array?i:void 0}function Be(i){return i&&typeof i=="string"?[i]:Bt(i)}function We(i){return typeof i=="string"?new Date(i):void 0}function K(i){return isNaN(i)?void 0:i}function C(i){return K(i)!==void 0&&Math.sign(i)>=0?i:void 0}function Wt(i){const e=new Array;return i.forEach(t=>e.push(t)),e}class T{constructor(e){this.fragments=e.fragments?e.fragments:new Array,this.progression=e.progression,this.totalProgression=e.totalProgression,this.position=e.position,this.otherLocations=e.otherLocations}static deserialize(e){if(!e)return;const t=K(e.progression),r=K(e.totalProgression),s=K(e.position),n=new Map,o=new Set(["fragment","fragments","progression","totalProgression","position"]);return Object.entries(e).forEach(([a,h])=>{o.has(a)||n.set(a,h)}),new T({fragments:Be(e.fragments||e.fragment),progression:t!==void 0&&t>=0&&t<=1?t:void 0,totalProgression:r!==void 0&&r>=0&&r<=1?r:void 0,position:s!==void 0&&s>0?s:void 0,otherLocations:n.size===0?void 0:n})}serialize(){const e={};return this.fragments&&(e.fragments=this.fragments),this.progression!==void 0&&(e.progression=this.progression),this.totalProgression!==void 0&&(e.totalProgression=this.totalProgression),this.position!==void 0&&(e.position=this.position),this.otherLocations&&this.otherLocations.forEach((t,r)=>e[r]=t),e}}class ${constructor(e){this.after=e.after,this.before=e.before,this.highlight=e.highlight}static deserialize(e){if(e)return new $({after:e.after,before:e.before,highlight:e.highlight})}serialize(){const e={};return this.after!==void 0&&(e.after=this.after),this.before!==void 0&&(e.before=this.before),this.highlight!==void 0&&(e.highlight=this.highlight),e}}class z{constructor(e){this.href=e.href,this.type=e.type,this.title=e.title,this.locations=e.locations?e.locations:new T({}),this.text=e.text}static deserialize(e){if(e&&e.href&&e.type)return new z({href:e.href,type:e.type,title:e.title,locations:T.deserialize(e.locations),text:$.deserialize(e.text)})}serialize(){const e={href:this.href,type:this.type};return this.title!==void 0&&(e.title=this.title),this.locations&&(e.locations=this.locations.serialize()),this.text&&(e.text=this.text.serialize()),e}copyWithLocations(e){return new z({href:this.href,type:this.type,title:this.title,text:this.text,locations:new T({...this.locations,...e})})}}class j{constructor(e){this.href=e.href,this.templated=e.templated,this.type=e.type,this.title=e.title,this.rels=e.rels,this.properties=e.properties,this.height=e.height,this.width=e.width,this.duration=e.duration,this.bitrate=e.bitrate,this.languages=e.languages,this.alternates=e.alternates,this.children=e.children}static deserialize(e){if(e&&e.href&&typeof e.href=="string")return new j({href:e.href,templated:e.templated,type:e.type,title:e.title,rels:e.rel?e.rel instanceof Array?new Set(e.rel):new Set([e.rel]):void 0,properties:b.deserialize(e.properties),height:C(e.height),width:C(e.width),duration:C(e.duration),bitrate:C(e.bitrate),languages:Be(e.language),alternates:Q.deserialize(e.alternate),children:Q.deserialize(e.children)})}serialize(){const e={href:this.href};return this.templated!==void 0&&(e.templated=this.templated),this.type!==void 0&&(e.type=this.type),this.title!==void 0&&(e.title=this.title),this.rels&&(e.rel=Wt(this.rels)),this.properties&&(e.properties=this.properties.serialize()),this.height!==void 0&&(e.height=this.height),this.width!==void 0&&(e.width=this.width),this.duration!==void 0&&(e.duration=this.duration),this.bitrate!==void 0&&(e.bitrate=this.bitrate),this.languages&&(e.language=this.languages),this.alternates&&(e.alternate=this.alternates.serialize()),this.children&&(e.children=this.children.serialize()),e}get mediaType(){return this.type!==void 0?l.parse({mediaType:this.type}):l.BINARY}toURL(e){const t=this.href.replace(/^(\/)/,"");if(t.length===0)return;let 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i;return(i=this.otherLocations)==null?void 0:i.get("cssSelector")},T.prototype.getPartialCfi=function(){var i;return(i=this.otherLocations)==null?void 0:i.get("partialCfi")},T.prototype.getDomRange=function(){var i;return fe.deserialize((i=this.otherLocations)==null?void 0:i.get("domRange"))},T.prototype.fragmentParameters=function(){return new Map(this.fragments.map(i=>i.startsWith("#")?i.slice(1):i).join("&").split("&").filter(i=>!i.startsWith("#")).map(i=>i.split("=")).filter(i=>i.length===2).map(i=>[i[0].trim().toLowerCase(),i[1].trim()]))},T.prototype.htmlId=function(){if(!this.fragments.length)return;let i=this.fragments.find(e=>e.length&&!e.includes("="));if(!i){const e=this.fragmentParameters();e.has("id")?i=e.get("id"):e.has("name")&&(i=e.get("name"))}return i!=null&&i.startsWith("#")?i.slice(1):i},T.prototype.page=function(){const i=parseInt(this.fragmentParameters().get("page"));if(!isNaN(i)&&i>=0)return i},T.prototype.time=function(){const 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            display: none; /* for Chrome, Safari, and Opera */
        }
        `,e.document.head.appendChild(r);const s=e.ResizeObserver||ut;this.resizeObserver=new s(()=>e.requestAnimationFrame(()=>{e&&yi(e)})),this.resizeObserver.observe(e.document.body),this.mutationObserver=new MutationObserver(()=>{this.wnd.requestAnimationFrame(()=>this.cachedScrollWidth=this.doc().scrollWidth)}),e.frameElement&&this.mutationObserver.observe(e.frameElement,{attributes:!0,attributeFilter:["style"]}),this.mutationObserver.observe(e.document,{attributes:!0,attributeFilter:["style"]});const n=o=>{const a=this.doc().scrollLeft;return this.doc().scrollLeft=this.snapOffset(o),a!==this.doc().scrollLeft};return e.addEventListener("orientationchange",this.onWidthChanger),e.addEventListener("resize",this.onWidthChanger),e.requestAnimationFrame(()=>this.cachedScrollWidth=this.doc().scrollWidth),t.register("go_progression",P.moduleName,(o,a)=>{const h=o;if(h<0||h>1){t.send("error",{message:"go_progression must be given a position from 0.0 to 1.0"}),a(!1);return}this.wnd.requestAnimationFrame(()=>{this.cachedScrollWidth=this.doc().scrollWidth;const c=this.cachedScrollWidth,d=F(e)?-1:1,p=c*h*d;this.doc().scrollLeft=this.snapOffset(p),this.reportProgress(),S(this.wnd),a(!0)})}),t.register("go_id",P.moduleName,(o,a)=>{const h=e.document.getElementById(o);if(!h){a(!1);return}this.wnd.requestAnimationFrame(()=>{this.doc().scrollLeft=this.snapOffset(h.getBoundingClientRect().left+e.scrollX),this.reportProgress(),S(this.wnd),a(!0)})}),t.register("go_text",P.moduleName,(o,a)=>{let h;Array.isArray(o)&&(o.length>1&&(h=o[1]),o=o[0]);const c=$.deserialize(o),d=xe(this.wnd.document,new z({href:e.location.href,type:"text/html",text:c,locations:h?new T({otherLocations:new Map([["cssSelector",h]])}):void 0}));if(!d){a(!1);return}this.wnd.requestAnimationFrame(()=>{this.doc().scrollLeft=this.snapOffset(d.getBoundingClientRect().left+e.scrollX),this.reportProgress(),S(this.wnd),a(!0)})}),t.register("go_end",P.moduleName,(o,a)=>{const h=F(e)?-1:1;this.wnd.requestAnimationFrame(()=>{this.cachedScrollWidth=this.doc().scrollWidth;const c=this.cachedScrollWidth*h;if(this.doc().scrollLeft===c)return a(!1);this.doc().scrollLeft=this.snapOffset(c),this.reportProgress(),S(this.wnd),a(!0)})}),t.register("go_start",P.moduleName,(o,a)=>{this.wnd.requestAnimationFrame(()=>{if(this.doc().scrollLeft===0)return a(!1);this.doc().scrollLeft=0,this.reportProgress(),S(this.wnd),a(!0)})}),t.register("go_prev",P.moduleName,(o,a)=>{this.wnd.requestAnimationFrame(()=>{const h=e.scrollX-e.innerWidth,c=F(e)?-(this.cachedScrollWidth-e.innerWidth):0,d=n(Math.max(h,c));d&&(this.reportProgress(),S(this.wnd)),a(d)})}),t.register("go_next",P.moduleName,(o,a)=>{this.wnd.requestAnimationFrame(()=>{const h=e.scrollX+e.innerWidth,c=F(e)?0:this.cachedScrollWidth-e.innerWidth,d=n(Math.min(h,c));d&&(this.reportProgress(),S(this.wnd)),a(d)})}),t.register("unfocus",P.moduleName,(o,a)=>{this.snappingCancelled=!0,S(this.wnd),a(!0)}),t.register("shake",P.moduleName,(o,a)=>{this.shake(),a(!0)}),t.register("focus",P.moduleName,(o,a)=>{this.wnd.requestAnimationFrame(()=>{this.cachedScrollWidth=this.doc().scrollWidth,this.snapCurrentOffset(!1,!0),this.reportProgress(),a(!0)})}),t.register("first_visible_locator",P.moduleName,(o,a)=>{const h=St(e,!1);this.comms.send("first_visible_locator",h.serialize()),a(!0)}),e.addEventListener("touchstart",this.onTouchStarter,{passive:!0}),e.addEventListener("touchend",this.onTouchEnder,{passive:!0}),e.addEventListener("touchmove",this.onTouchMover,{passive:!0}),e.document.addEventListener("touchstart",()=>{}),t.log("ColumnSnapper Mounted"),!0}unmount(e,t){var r;return this.snappingCancelled=!0,t.unregisterAll(P.moduleName),this.resizeObserver.disconnect(),this.mutationObserver.disconnect(),e.removeEventListener("touchstart",this.onTouchStarter),e.removeEventListener("touchend",this.onTouchEnder),e.removeEventListener("touchmove",this.onTouchMover),e.removeEventListener("orientationchange",this.onWidthChanger),e.removeEventListener("resize",this.onWidthChanger),(r=e.document.getElementById(Ot))==null||r.remove(),t.log("ColumnSnapper Unmounted"),super.unmount(e,t)}};Pt.moduleName="column_snapper";let Si=Pt;const le={top:"js-iframe-reader-top-anchor",bottom:"js-iframe-reader-bottom-anchor"};class Ci extends HTMLElement{connectedCallback(){this.setAttribute("aria-hidden","true"),this.style.setProperty("display","block","important"),this.style.setProperty("padding","0","important"),this.style.setProperty("margin","0","important"),this.style.setProperty("visibility","hidden","important")}}function Oi(i){const e=i.getElementsByTagName("body")[0],t=document.createElement("anchor-observer"),r=document.createElement("anchor-observer");t.dataset.readium="true",r.dataset.readium="true",t==null||t.setAttribute("id",le.top),t==null||t.style.setProperty("height","115px","important"),r==null||r.setAttribute("id",le.bottom),r==null||r.style.setProperty("height","80px","important"),e==null||e.insertBefore(t,e.firstChild),e==null||e.appendChild(r)}function Pi(i){var s,n;const e=i.getElementsByTagName("body")[0],t=e==null?void 0:e.querySelector(`#${le.top}`),r=e==null?void 0:e.querySelector(`#${le.bottom}`);t&&((s=t.parentElement)==null||s.removeChild(t)),r&&((n=r.parentElement)==null||n.removeChild(r))}const Mt="readium-scroll-snapper-style",At=class R extends xt{constructor(){super(...arguments),this.createAnchorElements=()=>{Oi(this.doc())},this.removeAnchorElements=()=>{Pi(this.doc())},this.createCustomElement=()=>{customElements.get("anchor-observer")||customElements.define("anchor-observer",Ci)}}doc(){return this.wnd.document.scrollingElement}reportProgress(e){this.comms.send("progress",e)}mount(e,t){this.wnd=e,this.comms=t,e.navigator.epubReadingSystem.layoutStyle="scrolling";const r=e.document.createElement("style");return r.dataset.readium="true",r.id=Mt,r.textContent=`
        * {
            scrollbar-width: none; /* for Firefox */
        }
        
        body::-webkit-scrollbar {
            display: none; /* for Chrome, Safari, and Opera */
        }
        `,e.document.head.appendChild(r),t.register("go_progression",R.moduleName,(s,n)=>{const o=s;if(o<0||o>1){t.send("error",{message:"go_progression must be given a position from 0.0 to 1.0"}),n(!1);return}this.wnd.requestAnimationFrame(()=>{this.doc().scrollTop=this.doc().offsetHeight*o,this.reportProgress({progress:o,reference:this.wnd.innerHeight/this.doc().scrollHeight}),S(this.wnd),n(!0)})}),t.register("go_id",R.moduleName,(s,n)=>{const o=e.document.getElementById(s);if(!o){n(!1);return}this.wnd.requestAnimationFrame(()=>{this.doc().scrollTop=o.getBoundingClientRect().top+e.scrollY-e.innerHeight/2;const a=this.doc().scrollTop/this.doc().offsetHeight;this.reportProgress({progress:a,reference:this.wnd.innerHeight/this.doc().scrollHeight}),S(this.wnd),n(!0)})}),t.register("go_text",R.moduleName,(s,n)=>{let o;Array.isArray(s)&&(s.length>1&&(o=s[1]),s=s[0]);const a=$.deserialize(s),h=xe(this.wnd.document,new z({href:e.location.href,type:"text/html",text:a,locations:o?new T({otherLocations:new Map([["cssSelector",o]])}):void 0}));if(!h){n(!1);return}this.wnd.requestAnimationFrame(()=>{this.doc().scrollTop=h.getBoundingClientRect().top+e.scrollY-e.innerHeight/2;const c=this.doc().scrollTop/this.doc().offsetHeight;this.reportProgress({progress:c,reference:this.wnd.innerHeight/this.doc().scrollHeight}),S(this.wnd),n(!0)})}),t.register("go_start",R.moduleName,(s,n)=>{if(this.doc().scrollTop===0)return n(!1);this.doc().scrollTop=0,this.reportProgress({progress:0,reference:this.wnd.innerHeight/this.doc().scrollHeight}),n(!0)}),t.register("go_end",R.moduleName,(s,n)=>{if(this.doc().scrollTop===0)return n(!1);this.doc().scrollTop=0,this.reportProgress({progress:0,reference:this.wnd.innerHeight/this.doc().scrollHeight}),n(!0)}),t.register("unfocus",R.moduleName,(s,n)=>{S(this.wnd),n(!0)}),t.register(["go_next","go_prev"],R.moduleName,(s,n)=>n(!1)),t.register("focus",R.moduleName,(s,n)=>{const o=this.doc().scrollTop/this.doc().offsetHeight;this.reportProgress({progress:o,reference:this.wnd.innerHeight/this.doc().scrollHeight}),n(!0)}),t.register("first_visible_locator",R.moduleName,(s,n)=>{const o=St(e,!0);this.comms.send("first_visible_locator",o.serialize()),n(!0)}),t.log("ScrollSnapper Mounted"),this.createCustomElement(),this.createAnchorElements(),!0}unmount(e,t){var r;return t.unregisterAll(R.moduleName),this.removeAnchorElements(),(r=e.document.getElementById(Mt))==null||r.remove(),t.log("ScrollSnapper Unmounted"),!0}};At.moduleName="scroll_snapper";let Mi=At;class Pe extends G{constructor(){super(...arguments),this.pointerMoved=!1,this.onPointerUp=this.onPointUp.bind(this),this.onPointerMove=this.onPointMove.bind(this),this.onPointerDown=this.onPointDown.bind(this),this.onContextMenu=this.onContext.bind(this),this.onClicker=this.onClick.bind(this)}onPointUp(e){var s,n,o,a,h;const t=this.wnd.getSelection();if(t&&((s=t.toString())==null?void 0:s.length)>0){const c=(n=t.getRangeAt(0))==null?void 0:n.getClientRects();if(!c||c.length===0)return;const d=c[0],p={text:t.toString(),x:d.x,y:d.y,width:d.width,height:d.height,targetFrameSrc:(a=(o=this.wnd)==null?void 0:o.location)==null?void 0:a.href};this.comms.send("text_selected",p)}if(this.pointerMoved){this.pointerMoved=!1;return}if(!(t!=null&&t.isCollapsed)||!e.isPrimary)return;const r=this.wnd.devicePixelRatio;e.preventDefault(),this.comms.send(e.pointerType==="touch"?"tap":"click",{defaultPrevented:e.defaultPrevented,x:e.clientX*r,y:e.clientY*r,targetFrameSrc:this.wnd.location.href,targetElement:e.target.outerHTML,interactiveElement:(h=Tt(e.target))==null?void 0:h.outerHTML,cssSelector:this.wnd._readium_cssSelectorGenerator.getCssSelector(e.target)}),this.pointerMoved=!1}onPointMove(e){if(e.movementY!==void 0&&e.movementX!==void 0){(Math.abs(e.movementX)>1||Math.abs(e.movementY)>1)&&(this.pointerMoved=!0);return}this.pointerMoved=!0}onPointDown(){this.pointerMoved=!1}onContext(e){this.onPointUp(e),this.pointerMoved=!1}onClick(e){if(e.preventDefault(),!e.isTrusted){const t=new PointerEvent("pointerup",{isPrimary:!0,pointerType:"mouse",clientX:e.clientX,clientY:e.clientY});Object.defineProperty(t,"target",{writable:!1,value:e.target}),Object.defineProperty(t,"defaultPrevented",{writable:!1,value:e.defaultPrevented}),this.onPointUp(t)}}mount(e,t){return this.wnd=e,this.comms=t,e.document.addEventListener("pointerdown",this.onPointerDown),e.document.addEventListener("pointerup",this.onPointerUp),e.document.addEventListener("contextmenu",this.onContextMenu),e.document.addEventListener("pointermove",this.onPointerMove),e.document.addEventListener("click",this.onClicker),t.log("Peripherals Mounted"),!0}unmount(e,t){return e.document.removeEventListener("pointerdown",this.onPointerDown),e.document.removeEventListener("pointerup",this.onPointerUp),e.document.removeEventListener("contextmenu",this.onContextMenu),e.document.removeEventListener("pointermove",this.onPointerMove),e.document.removeEventListener("click",this.onClicker),t.log("Peripherals Unmounted"),!0}}Pe.moduleName="peripherals";const Rt=class Ne extends G{constructor(){super(...arguments),this.mediaPlayingCount=0,this.allAnimations=new Set}wndOnErr(e){var t;(t=this.comms)==null||t.send("error",{message:e.message,filename:e.filename,lineno:e.lineno,colno:e.colno})}unblock(e){var t;for(e._readium_blockEvents=!1;((t=e._readium_blockedEvents)==null?void 0:t.length)>0;){const r=e._readium_blockedEvents.shift();switch(r[0]){case 0:Reflect.apply(r[1],r[2],r[3]);break;case 1:const s=r[1],n=r[2];e.removeEventListener(s.type,e._readium_eventBlocker,!0);const o=new Event(s.type,{bubbles:s.bubbles,cancelable:s.cancelable});n?n.dispatchEvent(o):e.dispatchEvent(o);break}}}onMediaPlayEvent(){var e;this.mediaPlayingCount++,(e=this.comms)==null||e.send("media_play",this.mediaPlayingCount)}onMediaPauseEvent(){var e;this.mediaPlayingCount>0&&this.mediaPlayingCount--,(e=this.comms)==null||e.send("media_pause",this.mediaPlayingCount)}pauseAllMedia(e){const t=e.document.querySelectorAll("audio,video");for(let r=0;r<t.length;r++)t[r].pause()}mount(e,t){this.comms=t,e.addEventListener("error",this.wndOnErr,!1),Reflect.defineProperty(e.navigator,"epubReadingSystem",{value:{name:"readium-ts-toolkit",version:"1.3.2",hasFeature:(s,n="")=>{switch(s){case"dom-manipulation":return!0;case"layout-changes":return!0;case"touch-events":return!0;case"mouse-events":return!0;case"keyboard-events":return!0;case"spine-scripting":return!0;case"embedded-web-content":return!0;default:return!1}}},writable:!1}),"getAnimations"in e.document&&e.document.getAnimations().forEach(s=>{s.cancel(),this.allAnimations.add(s)}),t.register("activate",Ne.moduleName,(s,n)=>{this.allAnimations.forEach(o=>{o.cancel(),o.play()}),n(!0)}),t.register("unfocus",Ne.moduleName,(s,n)=>{this.pauseAllMedia(e),this.allAnimations.forEach(o=>o.pause()),n(!0)});const r=e.document.querySelectorAll("audio,video");for(let s=0;s<r.length;s++){const n=r[s];n.addEventListener("play",this.onMediaPlayEvent,{passive:!0}),n.addEventListener("pause",this.onMediaPauseEvent,{passive:!0})}return t.log("Setup Mounted"),!0}unmount(e,t){return e.removeEventListener("error",this.wndOnErr),e.removeEventListener("play",this.onMediaPlayEvent),e.removeEventListener("pause",this.onMediaPauseEvent),this.allAnimations.forEach(r=>r.cancel()),this.allAnimations.clear(),t.log("Setup Unmounted"),!0}};Rt.moduleName="setup";let Nt=Rt;const Lt="readium-viewport",zt=class J extends Nt{onViewportWidthChanged(e){const t=e.target;Oe(t,"--RS__viewportWidth",`${t.innerWidth}px`)}mount(e,t){if(!super.mount(e,t))return!1;const r=e.document.createElement("meta");return r.dataset.readium="true",r.setAttribute("name","viewport"),r.setAttribute("id",Lt),r.setAttribute("content","width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no, shrink-to-fit=no"),e.document.head.appendChild(r),e.addEventListener("orientationchange",this.onViewportWidthChanged),e.addEventListener("resize",this.onViewportWidthChanged),this.onViewportWidthChanged({target:e}),t.register("set_property",J.moduleName,(s,n)=>{const o=s;Oe(e,o[0],o[1]),n(!0)}),t.register("remove_property",J.moduleName,(s,n)=>{pt(e,s),n(!0)}),t.register("activate",J.moduleName,(s,n)=>{this.unblock(e),n(!0)}),t.log("ReflowableSetup Mounted"),!0}unmount(e,t){var r;return t.unregisterAll(J.moduleName),(r=e.document.head.querySelector(`#${Lt}`))==null||r.remove(),e.removeEventListener("orientationchange",this.onViewportWidthChanged),t.log("ReflowableSetup Unmounted"),super.unmount(e,t)}};zt.moduleName="reflowable_setup";let Ai=zt;const It="readium-fixed-style",Dt=class D extends Nt{mount(e,t){if(!super.mount(e,t))return!1;e.navigator.epubReadingSystem.layoutStyle="paginated";const r=e.document.createElement("style");return r.id=It,r.dataset.readium="true",r.textContent=`
        html, body {
            text-size-adjust: none;
            -ms-text-size-adjust: none;
            -webkit-text-size-adjust: none;
            -moz-text-size-adjust: none;

            /* Fight Safari pinches */
            touch-action: none !important;
            min-height: 100%;

            /*cursor: var() TODO*/
        }`,e.document.head.appendChild(r),t.register("set_property",D.moduleName,(s,n)=>{const o=s;Oe(e,o[0],o[1]),n(!0)}),t.register("remove_property",D.moduleName,(s,n)=>{pt(e,s),n(!0)}),t.register("first_visible_locator",D.moduleName,(s,n)=>n(!1)),t.register("unfocus",D.moduleName,(s,n)=>{S(e),n(!0)}),t.register(["focus","go_next","go_prev","go_id","go_end","go_start","go_text","go_progression"],D.moduleName,(s,n)=>n(!0)),t.register("activate",D.moduleName,(s,n)=>{this.unblock(e),n(!0)}),t.log("FixedSetup Mounted"),!0}unmount(e,t){var r;return t.unregisterAll(D.moduleName),(r=e.document.getElementById(It))==null||r.remove(),t.log("FixedSetup Unmounted"),super.unmount(e,t)}};Dt.moduleName="fixed_setup";let Ri=Dt;const Ni=["fixed_setup","decorator","peripherals"],Li=["reflowable_setup","decorator","peripherals","column_snapper","scroll_snapper"],Me=new Map([Ri,Ai,Pe,yt,Si,Mi].map(i=>[i.moduleName,i]));class zi{constructor(e=window,t=[]){this.loadedModules=[],this.wnd=e,this.comms=new Ie(e);const r=[...new Set(t)];if(r.length){if(typeof e>"u")throw Error("Loader is not in a web browser");e.parent!==e&&this.comms.log("Loader is probably in a frame"),this.loadedModules=r.map(s=>{const n=this.loadModule(s);if(n)return n.mount(this.wnd,this.comms),n}).filter(s=>s!==void 0)}}loadModule(e){const t=Me.get(e);return t===void 0?(this.comms.log(`Module "${name}" does not exist in the library`),t):new t}addModule(e){const t=this.loadModule(e);return!t||!t.mount(this.wnd,this.comms)?!1:(this.loadedModules.push(t),!0)}removeModule(e){const t=Me.get(e);if(t===void 0)return this.comms.log(`Module "${e}" does not exist in the library`),!1;const r=this.loadedModules.findIndex(s=>s instanceof t);return r<0?!1:(this.loadedModules[r].unmount(this.wnd,this.comms),this.loadedModules.splice(r,1),!0)}destroy(){this.comms.destroy(),this.loadedModules.forEach(e=>e.unmount(this.wnd,this.comms)),this.loadedModules=[]}}w.COMMS_VERSION=H,w.Comms=Ie,w.Decorator=yt,w.FXLModules=Ni,w.Layout=mt,w.Loader=zi,w.Module=G,w.ModuleLibrary=Me,w.Peripherals=Pe,w.ReflowableModules=Li,w.Width=ft,w.mid=ze,Object.defineProperty(w,Symbol.toStringTag,{value:"Module"})});