Mercurial > hg > ismi-richfaces
changeset 204:964846688a95 iiif_diva
imageServer view works now with Diva6 and SimpleAuth plugin.
| author | Robert Casties <casties@mpiwg-berlin.mpg.de> |
|---|---|
| date | Sat, 06 Jul 2019 20:42:28 +0200 |
| parents | 719475ad0923 |
| children | f719d73383db |
| files | src/main/webapp/imageServer/displayDigi.jsp src/main/webapp/imageServer/resources/js/diva.js src/main/webapp/imageServer/resources/js/diva.js.map src/main/webapp/imageServer/resources/js/diva4ismi.js src/main/webapp/imageServer/resources/js/plugins/simple-auth.js src/main/webapp/imageServer/resources/js/plugins/simple-auth.js.map |
| diffstat | 6 files changed, 29 insertions(+), 58 deletions(-) [+] |
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--- a/src/main/webapp/imageServer/displayDigi.jsp Fri Jul 05 16:05:57 2019 +0200 +++ b/src/main/webapp/imageServer/displayDigi.jsp Sat Jul 06 20:42:28 2019 +0200 @@ -16,6 +16,7 @@ <script type="text/javascript" src="resources/js/jquery.min.js"></script> <script type="text/javascript" src="resources/js/diva.js"></script> + <script type="text/javascript" src="resources/js/plugins/simple-auth.js"></script> <script type="text/javascript" src="resources/js/bootstrap.min.js"></script> <script type="text/javascript" src="resources/js/typeahead.js"></script> <script type="text/javascript" src="resources/js/diva4ismi.js"></script> @@ -95,9 +96,10 @@ { if (ev.which == '13') { - var dv = $('#diva-wrapper').data('diva'); - var value = $(this).val(); - var success = dv.gotoPageByNumber(value); + var dv = window.divaInstance; + var value = parseInt($(this).val(), 10)-1; + var success = dv.gotoPageByIndex(value, 'center', 'top'); + //success = true; // diva6 does not return anything if (!success) { @@ -120,10 +122,10 @@ }); $('.go-to-witness-link').on('click', function(ev) { - var dv = $('#diva-wrapper').data('diva'); + var dv = window.divaInstance; var start_page = $(this).data('start'); if(start_page){ - dv.gotoPageByNumber(start_page); + dv.gotoPageByIndex(start_page-1); ev.preventDefault(); }else{ alert("No page assigned to this witness."); @@ -152,53 +154,15 @@ }); } - function handlePageSwitch(idx, fn, divid) - { - // page number is what we're after, which is always - // page index + 1. - $('#current-page-idx').text(idx + 1); - $('#current-page-fn').text(fn); - } - - function handleDocumentLoaded(idx, fn) - { - var witnesses = {}; - - // we could do this with an ajax request, but we have - // the variables already here, we just need to get them - // from Django and not JS. - - var urlParams = getURLParams(); - if (urlParams.hasOwnProperty('witness')) - { - urlWitness = parseInt(urlParams['witness'], 10); - - // this won't be populated if the witness doesn't have a - // start page set. - if (witnesses.hasOwnProperty(urlWitness)) - { - this.gotoPageByNumber(witnesses[urlWitness]); - } - } - } - -// $("#diva-wrapper").diva( window.divaInstance = new Diva('diva-wrapper', { - enableAutoTitle: false, + objectData: "https://ismi-imageserver-cc.mpiwg-berlin.mpg.de/iiif/manifests/<%=digiBean.getDigiLabel()%>.json", + plugins: [Diva.SimpleAuthPlugin], + simpleAuthTokenUrl: divaGlobal.auth_token_url, + simpleAuthLoginUrl: divaGlobal.auth_login_url, + enableAutoTitle: false, enableGotoPage: false, - fixedHeightGrid: false, -// iipServerURL: divaGlobal.iipServerURL, -// digiId: "<%=digiBean.getDigiId()%>", -// objectData: divaGlobal.rest_url + "/rest/diva/proxy/json/<%=digiBean.getDigiLabel()%>", - objectData: "https://ismi-imageserver-cc.mpiwg-berlin.mpg.de/iiif/manifests/<%=digiBean.getDigiLabel()%>.json", -// imageDir: "/<%=digiBean.getDigiLabel()%>", - onSetCurrentPage : handlePageSwitch, - onDocumentLoaded : handleDocumentLoaded, - zoomLevel: 1, - canvasPlugin: { - proxyURL: divaGlobal.rest_url + "/rest/diva/proxy/image" - } + zoomLevel: 1 }); });
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n.addEventListener("click",n=>{s.handleClick.call(s,n,e,t,i)},!1),n.addEventListener("touchend",n=>{n.preventDefault(),s.handleClick.call(s,n,e,t,i)},!1),n})}unmount(){this._innerElement.removeChild(this._pageToolsElem),this._innerElement.removeChild(this._pageLabelsElem)}refresh(){const e=this._viewerCore.getPageRegion(this.page,{includePadding:!0,incorporateViewport:!0});let t=window.getComputedStyle(this._innerElement,null).getPropertyValue("margin-left");this._pageToolsElem.style.top=`${e.top}px`,this._pageToolsElem.style.left=`${e.left-parseInt(t)}px`,this._pageLabelsElem.style.top=`${e.top}px`,this._pageLabelsElem.style.left=`${e.right-parseInt(t)-this.labelWidth-5}px`}}class _{constructor(e){if(this._viewerCore=e,this._viewerState=e.getInternalState(),this._overlays=[],this._viewerCore.getPageTools().length){const t=e.getSettings().numPages;for(let i=0;i<t;i++){const t=new y(i,e);this._overlays.push(t),this._viewerCore.addPageOverlay(t);let s=document.createElement("span");s.innerHTML=e.settings.manifest.pages[i].l,s.classList.add("diva-page-labels"),s.setAttribute("style","display: inline-block;"),document.body.appendChild(s);let n=s.clientWidth;document.body.removeChild(s),t.labelWidth=n}}}onDoubleClick(e,t){const i=this._viewerCore.getSettings(),s=e.ctrlKey?i.zoomLevel-1:i.zoomLevel+1,n=this._viewerCore.getPagePositionAtViewportOffset(t);this._viewerCore.zoom(s,n)}onPinch(e,t,i,s){const n=this._viewerCore.getInternalState(),o=this._viewerCore.getSettings();let r=Math.log(Math.pow(2,o.zoomLevel)*s/(i*Math.log(2)))/Math.log(2);if(r=Math.max(o.minZoomLevel,r),(r=Math.min(o.maxZoomLevel,r))===o.zoomLevel)return;const a=this._viewerCore.getPagePositionAtViewportOffset(t),l=this._viewerCore.getCurrentLayout().getPageToViewportCenterOffset(a.anchorPage,n.viewport),h=1/Math.pow(2,o.zoomLevel-r);this._viewerCore.reload({zoomLevel:r,goDirectlyTo:a.anchorPage,horizontalOffset:l.x-a.offset.left+a.offset.left*h,verticalOffset:l.y-a.offset.top+a.offset.top*h})}onViewWillLoad(){this._viewerCore.publish("DocumentWillLoad",this._viewerCore.getSettings())}onViewDidLoad(){this._handleZoomLevelChange();const e=this._viewerCore.getSettings().activePageIndex,t=this._viewerCore.getPageName(e);this._viewerCore.publish("DocumentDidLoad",e,t)}onViewDidUpdate(e,t){const i=null!==t?t:function(e,t,i){const s=i.top+i.height/2,n=i.left+i.width/2,o=b()(e,e=>{const i=t.getPageDimensions(e),o=t.getPageOffset(e,{includePadding:!1}),r=o.left+i.height/2,a=o.top+i.width/2,l=Math.max(Math.abs(n-r)-i.width/2,0),h=Math.max(Math.abs(s-a)-i.height/2,0);return-(l*l+h*h)});return null!=o?o:null}(e,this._viewerCore.getCurrentLayout(),this._viewerCore.getViewport());let s=this._viewerState.viewport.intersectionTolerance;this._viewerState.viewport.intersectionTolerance=0;let n=e.filter(e=>this._viewerState.renderer.isPageVisible(e));this._viewerState.viewport.intersectionTolerance=s,null!==i&&this._viewerCore.setCurrentPages(i,n),null!==t&&this._viewerCore.publish("ViewerDidJump",t),this._handleZoomLevelChange()}_handleZoomLevelChange(){const e=this._viewerState,t=e.options.zoomLevel;e.oldZoomLevel!==t&&e.oldZoomLevel>=0&&(e.oldZoomLevel<t?this._viewerCore.publish("ViewerDidZoomIn",t):this._viewerCore.publish("ViewerDidZoomOut",t),this._viewerCore.publish("ViewerDidZoom",t)),e.oldZoomLevel=t}destroy(){this._overlays.forEach(e=>{this._viewerCore.removePageOverlay(e)},this)}}class P{constructor(e){this._viewerCore=e}onDoubleClick(e,t){const i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let a;a=1===o.length||o[0].region.top>=r.top?o[0]:o[1].region.bottom<=r.bottom?o[1]:function(e,t){const i=t.top+t.height/2;return b()(e,e=>{const t=e.region.top+e.dimensions.height/2;return-Math.abs(i-t)})}(o,r);const l=this._viewerCore.getSettings().activePageIndex;a.pages.some(e=>e.index===l)||this._viewerCore.setCurrentPages(a.pages[0].index,s)}destroy(){}}class S{constructor(){this._pages={},this._renderedPages=[],this._renderedPageMap={}}addOverlay(e){(this._pages[e.page]||(this._pages[e.page]=[])).push(e),this._renderedPageMap[e.page]&&e.mount()}removeOverlay(e){const t=e.page,i=this._pages[t];if(!i)return;const s=i.indexOf(e);-1!==s&&(this._renderedPageMap[t]&&i[s].unmount(),i.splice(s,1),0===i.length&&delete this._pages[t])}updateOverlays(e){const t=this._renderedPages,i={};e.map(e=>{i[e]=!0,this._renderedPageMap[e]||(this._renderedPageMap[e]=!0,this._invokeOnOverlays(e,e=>{e.mount()}))}),t.map(e=>{i[e]?this._invokeOnOverlays(e,e=>{e.refresh()}):(delete this._renderedPageMap[e],this._invokeOnOverlays(e,e=>{e.unmount()}))}),this._renderedPages=e}_invokeOnOverlays(e,t){const i=this._pages[e];i&&i.map(e=>t(e))}}class C{constructor(e,t){this._rows=e,this._cols=t,this._map=new Array(e).fill(null).map(()=>new Array(t).fill(!1))}isLoaded(e,t){return e>=this._rows||t>=this._cols||this._map[e][t]}set(e,t,i){this._map[e][t]=i}}class L{constructor(e){this._levels=e;const t=this._urlsToTiles={};e.forEach(e=>{e.tiles.forEach(i=>{t[i.url]={zoomLevel:e.zoomLevel,row:i.row,col:i.col}})}),this.clear()}clear(){const e=this._loadedByLevel={};this._levels.forEach(t=>{e[t.zoomLevel]=new C(t.rows,t.cols)})}getTiles(e){const t=[],i=this._levels[0].zoomLevel,s=new C(this._levels[0].rows,this._levels[0].cols);let n;if(null===e)n=0;else{const t=Math.ceil(e);n=function(e,t){const i=e.length;for(let s=0;s<i;s++)if(t(e[s],s))return s;return-1}(this._levels,e=>e.zoomLevel<=t)}this._levels.slice(0,n+1).reverse().concat(this._levels.slice(n+1)).forEach(e=>{const n=this._loadedByLevel[e.zoomLevel];let o=e.tiles.filter(e=>n.isLoaded(e.row,e.col));const r=Math.pow(2,i-e.zoomLevel);o=o.filter(e=>{let t=!1;const i=e.row*r,n=e.col*r;for(let e=0;e<r;e++)for(let o=0;o<r;o++)s.isLoaded(i+e,n+o)||(t=!0,s.set(i+e,n+o,!0));return t}),t.push(o)},this),t.reverse();const o=[];return t.forEach(e=>{o.push.apply(o,e)}),o}updateFromCache(e){this.clear(),this._levels.forEach(t=>{const i=this._loadedByLevel[t.zoomLevel];t.tiles.forEach(t=>{e.has(t.url)&&i.set(t.row,t.col,!0)})},this)}updateWithLoadedUrls(e){e.forEach(e=>{const t=this._urlsToTiles[e];this._loadedByLevel[t.zoomLevel].set(t.row,t.col,!0)},this)}}class O{constructor(e,t){const i=function(e,t){const i=null===t?e.pageLayouts:function(e,t){const i=Math.pow(2,t-e.maxZoomLevel);return e.pageLayouts.map(e=>({dimensions:E(e.dimensions,i),pages:e.pages.map(e=>({index:e.index,groupOffset:{top:Math.floor(e.groupOffset.top*i),left:Math.floor(e.groupOffset.left*i)},dimensions:E(e.dimensions,i)}))}))}(e,t),s=function(e,t){let i,s;const n=e.padding.document;e.verticallyOriented?(i="width",s=n.left+n.right):(i="height",s=n.top+n.bottom);return s+t.reduce((e,t)=>Math.max(t.dimensions[i],e),0)}(e,i);let n=e.verticallyOriented?e.padding.document.top:e.padding.document.left;const o=[],r={top:e.padding.page.top,left:e.padding.page.left};let a,l;i.forEach((t,i)=>{let a,l;e.verticallyOriented?(a=n,l=(s-t.dimensions.width)/2):(a=(s-t.dimensions.height)/2,l=n);const h={top:a,bottom:a+r.top+t.dimensions.height,left:l,right:l+r.left+t.dimensions.width};o.push({index:i,dimensions:t.dimensions,pages:t.pages,region:h,padding:r}),n=e.verticallyOriented?h.bottom:h.right}),e.verticallyOriented?(a=n+r.top,l=s):(a=s,l=n+r.left);return{dimensions:{height:a,width:l},pageGroups:o}}(e,t);this.dimensions=i.dimensions,this.pageGroups=i.pageGroups,this._pageLookup=function(e){const t={};return e.forEach(e=>{e.pages.forEach(i=>{t[i.index]={index:i.index,group:e,dimensions:i.dimensions,groupOffset:i.groupOffset}})}),t}(i.pageGroups)}getPageInfo(e){return this._pageLookup[e]||null}getPageDimensions(e){if(!this._pageLookup||!this._pageLookup[e])return null;const t=x(this._pageLookup[e]);return{height:t.bottom-t.top,width:t.right-t.left}}getPageOffset(e,t){const i=this.getPageRegion(e,t);return i?{top:i.top,left:i.left}:null}getPageRegion(e,t){const i=this._pageLookup[e];if(!i)return null;const s=x(i),n=i.group.padding;return t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)("diva:ImageCache"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const t=this._lru.indexOf(e);this._lru.splice(t,1),this._lru.unshift(e)}_tryEvict(e){const t=this.maxKeys-e;if(this._lru.length<=t)return;let i=this._lru.length-1;for(;;){const e=this._lru[i];if(!this._held[e.url]&&(I("Evicting image %s",e.url),this._lru.splice(i,1),delete this._urls[e.url],this._lru.length<=t))break;if(0===i){I.enabled&&I("Cache overfull by %s (all entries are being held)",this._lru.length-t);break}i--}}acquire(e){this._held[e]=(this._held[e]||0)+1,this._promote(this._urls[e])}release(e){this._held[e]>1?this._held[e]--:delete this._held[e],this._tryEvict(0)}}class M{constructor(e){this._url=e.url,this._callback=e.load,this._errorCallback=e.error,this.timeoutTime=e.timeoutTime||0,this._aborted=this._complete=!1,this.timeout=setTimeout(()=>{this._image=new Image,this._image.onload=this._handleLoad.bind(this),this._image.onerror=this._handleError.bind(this),this._image.src=e.url},this.timeoutTime)}abort(){clearTimeout(this.timeout),this._image&&(this._image.onload=this._image.onerror=null,this._image.src=""),this._aborted=!0}_handleLoad(){this._aborted?console.error("ImageRequestHandler invoked on cancelled request for "+this._url):this._complete?console.error("ImageRequestHandler invoked on completed request for "+this._url):(this._complete=!0,this._callback(this._image))}_handleError(){this._errorCallback(this._image)}}var z={animate:function(e){const t=e.duration,i=e.parameters,s=e.onUpdate,n=e.onEnd,o=V(),r=o+t,a={},l={},h=Object.keys(i);h.forEach(e=>{const t=i[e];a[e]=function(e,t,i){return s=>e+(t-e)*i(s)}(t.from,t.to,t.easing||k)});let c=requestAnimationFrame(function e(){const i=V();const n=Math.min((i-o)/t,1);!function(e){h.forEach(t=>{l[t]=a[t](e)})}(n);s(l);i<r?c=requestAnimationFrame(e):u({interrupted:!1})});return{cancel(){null!==c&&(cancelAnimationFrame(c),u({interrupted:!0}))}};function u(e){c=null,n&&n(e)}},easing:{linear:function(e){return e},cubic:k}};let V;function k(e){return e<.5?4*e*e*e:(e-1)*(2*e-2)*(2*e-2)+1}V="undefined"!=typeof performance&&performance.now?()=>performance.now():()=>Date.now();const F=250;class j{constructor(e,t){this._viewport=e.viewport,this._outerElement=e.outerElement,this._documentElement=e.innerElement,this._settings=e.settings,this._hooks=t||{},this._canvas=s("canvas",{class:"diva-viewer-canvas"}),this._ctx=this._canvas.getContext("2d"),this.layout=null,this._sourceResolver=null,this._renderedPages=null,this._config=null,this._zoomLevel=null,this._compositeImages=null,this._renderedTiles=null,this._animation=null,this._cache=new D,this._pendingRequests={}}static getCompatibilityErrors(){return"undefined"!=typeof HTMLCanvasElement?null:["Your browser lacks support for the ",s("pre","canvas")," element. Please upgrade your browser."]}load(e,t,i){if(this._clearAnimation(),this._hooks.onViewWillLoad&&this._hooks.onViewWillLoad(),this._sourceResolver=i,this._config=e,this._compositeImages={},this._setLayoutToZoomLevel(t.zoomLevel),!this.layout.getPageInfo(t.anchorPage))throw new Error("invalid page: "+t.anchorPage);this._canvas.width===this._viewport.width&&this._canvas.height===this._viewport.height||(this._canvas.width=this._viewport.width,this._canvas.height=this._viewport.height),this.goto(t.anchorPage,t.verticalOffset,t.horizontalOffset),this._canvas.parentNode!==this._outerElement&&this._outerElement.insertBefore(this._canvas,this._outerElement.firstChild),this._hooks.onViewDidLoad&&this._hooks.onViewDidLoad()}_setViewportPosition(e){if(e.zoomLevel!==this._zoomLevel){if(null===this._zoomLevel)throw new TypeError("The current view is not zoomable");if(null===e.zoomLevel)throw new TypeError("The current view requires a zoom level");this._setLayoutToZoomLevel(e.zoomLevel)}this._goto(e.anchorPage,e.verticalOffset,e.horizontalOffset)}_setLayoutToZoomLevel(e){this.layout=new O(this._config,e),this._zoomLevel=e,o(this._documentElement,{style:{height:this.layout.dimensions.height+"px",width:this.layout.dimensions.width+"px"}}),this._viewport.setInnerDimensions(this.layout.dimensions)}adjust(){this._clearAnimation(),this._render(),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}_render(){const e=[];this.layout.pageGroups.forEach(t=>{if(!this._viewport.intersectsRegion(t.region))return;const i=t.pages.filter(function(e){return this.isPageVisible(e.index)},this).map(e=>e.index);e.push.apply(e,i)},this),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._paintOutline(e),e.forEach(e=>{if(!this._compositeImages[e]){const t=this.layout.getPageInfo(e),i=this._sourceResolver.getAllZoomLevelsForPage(t),s=new L(i);s.updateFromCache(this._cache),this._compositeImages[e]=s}},this),this._initiateTileRequests(e);const t=R(this._renderedPages||[],e);t.removed.forEach(e=>{delete this._compositeImages[e]},this),this._renderedPages=e,this._paint(),this._hooks.onPageWillLoad&&t.added.forEach(e=>{this._hooks.onPageWillLoad(e)},this)}_paint(){const e=[];this._renderedPages.forEach(t=>{this._compositeImages[t].getTiles(this._zoomLevel).forEach(i=>{const s=A(i,this._zoomLevel);this._isTileVisible(t,s)&&(e.push(i.url),this._drawTile(t,s,this._cache.get(i.url)))})});const t=this._cache,i=R(this._renderedTiles||[],e);i.added.forEach(e=>{t.acquire(e)}),i.removed.forEach(e=>{t.release(e)}),i.removed&&this._renderedPages.forEach(e=>{this._compositeImages[e].updateFromCache(this._cache)},this),this._renderedTiles=e}_paintOutline(e){e.forEach(e=>{let t=this.layout.getPageInfo(e),i=this._getImageOffset(e),s=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),n=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),o=i.left-this._viewport.left+s,r=i.top-this._viewport.top+n,a=o<0?-o:0,l=r<0?-r:0,h=Math.max(0,o),c=Math.max(0,r),u=t.dimensions.width-a,d=t.dimensions.height-l;this._ctx.strokeStyle="#AAA",this._ctx.strokeRect(h+.5,c+.5,u,d)})}_initiateTileRequests(e){const t={},i=(e,i)=>{const s=this._compositeImages[i];t[e.url]=new M({url:e.url,timeoutTime:F,load:t=>{delete this._pendingRequests[e.url],this._cache.put(e.url,t),s===this._compositeImages[i]?(s.updateWithLoadedUrls([e.url]),this._isTileForSourceVisible(i,e)&&this._paint()):this._isTileForSourceVisible(i,e)&&this._paint()},error:()=>{delete this._pendingRequests[e.url]}})};for(let s=0;s<e.length;s++){const n=e[s],o=this._sourceResolver.getBestZoomLevelForPage(this.layout.getPageInfo(n)).tiles;for(let e=0;e<o.length;e++){const s=o[e];!this._cache.has(s.url)&&this._isTileForSourceVisible(n,s)&&(this._pendingRequests[s.url]?(t[s.url]=this._pendingRequests[s.url],delete this._pendingRequests[s.url]):i(s,n))}}for(const e in this._pendingRequests)this._pendingRequests[e].abort();this._pendingRequests=t}_drawTile(e,t,i){let s=this._getTileToDocumentOffset(e,t),n=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),o=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),r=s.left-this._viewport.left+n,a=s.top-this._viewport.top+o,l=r<0?-r:0,h=a<0?-a:0,c=Math.max(0,r),u=Math.max(0,a),d=l/t.scaleRatio,g=h/t.scaleRatio,v=Math.min(t.dimensions.width,i.width*t.scaleRatio)-l,p=Math.min(t.dimensions.height,i.height*t.scaleRatio)-h,f=Math.max(1,Math.round(v)),m=Math.max(1,Math.round(p)),w=f/t.scaleRatio,b=m/t.scaleRatio;this._ctx.drawImage(i,d,g,w,b,c,u,f,m)}_isTileForSourceVisible(e,t){return this._isTileVisible(e,A(t,this._zoomLevel))}_isTileVisible(e,t){const i=this._getTileToDocumentOffset(e,t);return this._viewport.intersectsRegion({top:i.top,bottom:i.top+t.dimensions.height,left:i.left,right:i.left+t.dimensions.width})}_getTileToDocumentOffset(e,t){const i=this._getImageOffset(e);return{top:i.top+t.offset.top,left:i.left+t.offset.left}}_getImageOffset(e){return this.layout.getPageOffset(e,{includePadding:!0})}goto(e,t,i){this._clearAnimation(),this._goto(e,t,i),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),e)}_goto(e,t,i){const s=this.layout.getPageOffset(e),n=s.top+t-Math.round(this._viewport.height/2),o=s.left+i-Math.round(this._viewport.width/2);this._viewport.top=n,this._viewport.left=o,this._render()}transitionViewportPosition(e){this._clearAnimation();const t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return i=null===t?1:Math.pow(2,t-e.zoomLevel),{sourceZoomLevel:e.zoomLevel,scaleRatio:i,row:e.row,col:e.col,dimensions:{width:e.dimensions.width*i,height:e.dimensions.height*i},offset:{left:e.offset.left*i,top:e.offset.top*i},url:e.url}}function R(e,t){if(e===t)return{added:[],removed:[]};const i=e.filter(e=>-1===t.indexOf(e));return{added:t.filter(t=>-1===e.indexOf(t)),removed:i}}function H(e,t){const i=t.getMaxPageDimensions(e);return{width:Math.floor(i.width),height:Math.floor(i.height)}}function B(e){return function(e){const t=e.manifest,i=[];let s=null,n=[];const o=()=>{for(let e=0,t=n.length;e<t;e++)i.push([n[e]]);n=[]};t.pages.forEach((r,a)=>{const l={index:a,dimensions:H(a,t),paged:!t.paged||r.paged};(e.showNonPagedPages||l.paged)&&(l.paged?0===a||r.facingPages?(i.push([l]),o()):null===s?s=l:(i.push([s,l]),s=null,o()):n.push(l))}),null!==s&&(i.push([s]),o());return i}(e).map(t=>(function(e,t){const i=e.verticallyOriented;if(2===t.length)return function(e,t,i){const s=e.dimensions,n=t.dimensions,o=Math.max(s.height,n.height);let r,a,l;if(i){const e=Math.max(s.width,n.width);r=2*e,a=e-s.width,l=e}else r=s.width+n.width,a=0,l=s.width;return{dimensions:{height:o,width:r},pages:[{index:e.index,dimensions:s,groupOffset:{top:0,left:a}},{index:t.index,dimensions:n,groupOffset:{top:0,left:l}}]}}(t[0],t[1],i);const s=t[0],n=s.dimensions;let o;o=s.paged?0===s.index&&i?n.width:0:i?n.width/2:0;const r=i&&!e.manifest.pages[s.index].facingPages;return{dimensions:{height:n.height,width:r?2*n.width:n.width},pages:[{index:s.index,groupOffset:{top:0,left:o},dimensions:n}]}})(e,t))}function Z(e){const t=e.viewport.width,i=e.manifest,s=e.pagesPerRow,n=e.fixedHeightGrid,o=e.fixedPadding,r=e.showNonPagedPages,a=(t-o*(s+1))/s,l=a,h=n?o+i.minRatio*a:o+i.maxRatio*a,c=[];let u=[];const d={height:h,width:t};return i.pages.forEach((e,t)=>{if(!r&&i.paged&&!e.paged)return;const a=(e=>{const t=e.d[e.d.length-1],i=t.h/t.w;let s,r;return n?(s=(h-o)/i,r=h-o):r=(s=l)*i,{width:Math.round(s),height:Math.round(r)}})(e);let g=Math.floor(u.length*(o+l)+o);n&&(g+=(l-a.width)/2),u.push({index:t,dimensions:a,groupOffset:{top:0,left:g}}),u.length===s&&(c.push({dimensions:d,pages:u}),u=[])}),u.length>0&&c.push({dimensions:d,pages:u}),c}function G(e){if(e.inGrid)return Z(N(e,["manifest","viewport","pagesPerRow","fixedHeightGrid","fixedPadding","showNonPagedPages"]));{const t=N(e,["manifest","verticallyOriented","showNonPagedPages"]);return e.inBookLayout?B(t):function(e){const t=e.manifest,i=[];return t.pages.forEach((s,n)=>{if(!e.showNonPagedPages&&t.paged&&!s.paged)return;const o=H(n,t);i.push({dimensions:o,pages:[{index:n,groupOffset:{top:0,left:0},dimensions:o}]})}),i}(t)}}function N(e,t){const i={};return t.forEach(function(t){i[t]=e[t]}),i}function U(e){const t={};return e.forEach(e=>{!function(e,t){Object.keys(t).forEach(i=>{Object.defineProperty(e,i,{get:()=>t[i],set:()=>{throw new TypeError("Cannot set settings."+i)}})})}(t,e)}),t}class W{constructor(e){this.whitelistedKeys=e.whitelistedKeys||[],this.additionalProperties=e.additionalProperties||[],this.validations=e.validations}isValid(e,t,i){let s=null;if(this.validations.some((t,i)=>t.key===e&&(s=i,!0)),null===s)return!0;const n={};n[e]=t;const o=Y(i,n,this);return!this._runValidation(s,t,o)}validate(e){this._validateOptions({},e)}getValidatedOptions(e,t){const i=Object.assign({},t);return this._validateOptions(e,i),i}_validateOptions(e,t){const i=Y(e,t,this);this._applyValidations(t,i)}_applyValidations(e,t){this.validations.forEach((i,s)=>{if(!e.hasOwnProperty(i.key))return;const n=e[i.key],o=this._runValidation(s,n,t);o&&(o.warningSuppressed||function(e,t,i){console.warn("Invalid value for "+e+": "+t+". Using "+i+" instead.")}(i.key,n,o.value),e[i.key]=o.value)},this)}_runValidation(e,t,i){const s=this.validations[e];i.index=e;let n=!1;const o={suppressWarning:()=>{n=!0}},r=s.validate(t,i.proxy,o);return void 0===r||r===t?null:{value:r,warningSuppressed:n}}}function Y(e,t,i){const s={proxy:{},index:null},n=function(e,t,i){if(i in t)return t[i];return e[i]}.bind(null,e,t),o={};return i.whitelistedKeys.forEach(e=>{o[e]={get:n.bind(null,e)}}),i.additionalProperties.forEach(e=>{o[e.key]={get:e.get}}),i.validations.forEach((e,t)=>{o[e.key]={get:()=>{if(t<s.index)return n(e.key);const o=i.validations[s.index].key;throw new TypeError("Cannot access setting "+e.key+" while validating "+o)}}}),Object.defineProperties(s.proxy,o),s}class q{constructor(e,t){t=t||{},this.intersectionTolerance=t.intersectionTolerance||0,this.outer=e,this._top=this._left=this._width=this._height=this._innerDimensions=null,this.invalidate()}intersectsRegion(e){return this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i="_"+e,s="scroll"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this["_"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X("top","height"),left:X("left","width"),width:K("width"),height:K("height"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)("diva:ViewerCore");function te(){return te.counter++}te.counter=1;const ie=[{key:"goDirectlyTo",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:"minPagesPerRow",validate:e=>Math.max(2,e)},{key:"maxPagesPerRow",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:"pagesPerRow",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:"maxZoomLevel",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:"minZoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:"zoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:"",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID="diva-"+n+"-",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:"manifest",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement("p");e.style.width="100%",e.style.height="200px";let t=document.createElement("div");t.style.position="absolute",t.style.top="0px",t.style.left="0px",t.style.visibility="hidden",t.style.width="200px",t.style.height="150px",t.style.overflow="hidden",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow="scroll";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?"":n+"");const o=s("div",this.elemAttrs("inner",{class:"diva-inner"})),r=s("div",this.elemAttrs("viewport"),o),a=s("div",this.elemAttrs("outer"),r,s("div",this.elemAttrs("throbber"),[s("div",{class:"cube cube1"}),s("div",{class:"cube cube2"}),s("div",{class:"cube cube3"}),s("div",{class:"cube cube4"}),s("div",{class:"cube cube5"}),s("div",{class:"cube cube6"}),s("div",{class:"cube cube7"}),s("div",{class:"cube cube8"}),s("div",{class:"cube cube9"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,"zoomLevel")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push(["ZoomLevelDidChange",e.zoomLevel])),this.hasChangedOption(e,"pagesPerRow")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push(["GridRowNumberDidChange",e.pagesPerRow])),this.hasChangedOption(e,"verticallyOriented")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,"showNonPagedPages")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),"goDirectlyTo"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,"verticalOffset"in e&&(this.viewerState.verticalOffset=e.verticalOffset),"horizontalOffset"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,"inGrid")||this.hasChangedOption(e,"inBookLayout"))&&("inGrid"in e&&(this.viewerState.options.inGrid=e.inGrid),"inBookLayout"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push(["ViewDidSwitch",this.settings.inGrid])),this.hasChangedOption(e,"inFullscreen")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push(["ModeDidSwitch",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return"pageLayouts"!==e&&"padding"!==e}).map(function(t){const i=e[t];return t+": "+JSON.stringify(i)}).join(", ");ee("reload with %s",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?"add":"remove";this.viewerState.outerObject.classList[t]("diva-fullscreen"),document.body.classList[t]("diva-hide-scrollbar"),this.settings.parentObject.classList[t]("diva-full-width");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||"verticalOffset"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener("keyup",this.boundEscapeListener):document.removeEventListener("keyup",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish("PageWillLoad",e)},onZoomLevelWillChange:e=>{this.publish("ZoomLevelWillChange",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption("zoomLevel",e))return!1;if(this.viewerState.viewportObject.removeEventListener("scroll",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+"zoom-in-button"),h=document.getElementById(this.settings.selector+"zoom-out-button");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish("ZoomLevelDidChange",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"center"===t||"centre"===t?parseInt(this.getPageData(i,"h")/2,10):"bottom"===t?parseInt(this.getPageData(i,"h")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"left"===t?parseInt(this.settings.panelWidth/2,10):"right"===t?parseInt(this.getPageData(i,"w")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,"w")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add("dragscroll"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee("Double click at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener("touchmove",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee("Pinch %s at %s, %s",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee("Double tap at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish("ViewerDidScroll",o),i>0?this.publish("ViewerDidScrollDown",o):i<0&&this.publish("ViewerDidScrollUp",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener("mousedown",()=>{this.viewerState.innerObject.classList.add("diva-grabbing")}),this.viewerState.innerObject.addEventListener("mouseup",()=>{this.viewerState.innerObject.classList.remove("diva-grabbing")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction);document.addEventListener("keydown.diva",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe("ViewerDidTerminate",function(){document.removeEventListener("keydown.diva")},this.settings.ID),window.addEventListener("resize",this.onResize.bind(this),!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("resize",this.onResize,!1)},this.settings.ID),"onorientationchange"in window&&(window.addEventListener("orientationchange",this.onResize,!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("orientationchange",this.onResize,!1)},this.settings.ID)),c.Events.subscribe("PanelSizeDidChange",this.updatePanelSize,this.settings.ID),c.Events.subscribe("ViewerDidTerminate",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty("plugins"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="block")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="none")}showError(e){const t=s("div",this.elemAttrs("error"),[s("button",this.elemAttrs("error-close",{"aria-label":"Close dialog"})),s("p",s("strong","Error")),s("div",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector("#"+this.settings.selector+"error-close").addEventListener("click",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish("NumberOfPagesDidChange",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish("ObjectDidLoad",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,"center"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,"top")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+"title");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s("div",this.elemAttrs("title"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+"px":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+"px",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,"top")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,"center")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish("ViewerDidLoad",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?"width":"height";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish("VisiblePageDidChange",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish("VisiblePageHasAlternateViews",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow="auto",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")&&this.viewerState.viewportObject.removeAttribute("nochilddrag")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow="hidden",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")||this.viewerState.viewportObject.setAttribute("nochilddrag","")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish("ViewerWillTerminate",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass("diva-hide-scrollbar"),this.settings.parentObject.parent().empty().removeData("diva"),this.settings.parentObject.parent().removeAttr("style").removeAttr("class"),this.publish("ViewerDidTerminate",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o="/"!==n.url.slice(-1)?n.url+"/":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||"",d:r}}),ae=e=>"http://iiif.io/api/presentation/2/context.json"===e?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/2/context.json")?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/3/context.json")?3:2;function le(e){let t=e["@context"];if(!t)return console.error("Invalid IIIF Manifest; No @context found."),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])["@id"]||a.id,b=a.label,C=[],"oa:Choice"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)["@type"]||"Choice"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn("Invalid width or height for canvas "+b+". Skipping");continue}m=ne(p,f),y=h.label||null,d="/"!==(g=he(h)).url.slice(-1)?g.url+"/":g.url,v="http://iiif.io/api/image/2/context.json"===(u=h.service["@context"]||h.service.type)||"ImageService2"===u?2:"http://library.stanford.edu/iiif/image-api/1.1/context.json"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t="non-paged"!==a.viewingHint||!!a.behavior&&"non-paged"!==a.behavior[0],i="facing-pages"===a.viewingHint||!!a.behavior&&"facing-pages"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s="object"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):"object"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(", ")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:"paged"===e.viewingHint||!!e.behaviour&&"paged"===e.behaviour[0]||!!s&&"paged"===s.viewingHint}}function he(e){let t=e["@id"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s="",n=!0;if(/\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\//.test(t)){const e=t.split("/");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service["@id"]||e.service.id)&&(t=e.service["@id"]||e.service.id,n=!1);n&&(t=t.split("/").slice(0,-4).join("/"));const o={url:t};if(s.length){const e=s.split(",");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?"full":(null==i.width?"":i.width)+","+(null==i.height?"":i.height);const n=e.pages[t],o=n.api>1.1?"default":"native";return encodeURI(n.url+"full/"+s+"/0/"+o+".jpg")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty("xoffset")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(","),c=s.api>1.1?"default":"native";return encodeURI(s.url+h+"/"+o+","+n+"/0/"+c+".jpg")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError("Zoom level must be an integer: "+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de("_maxWidths"),ue.prototype.getMaxHeight=de("_maxHeights"),ue.prototype.getAverageWidth=de("_averageWidths"),ue.prototype.getAverageHeight=de("_averageHeights"),ue.prototype.getTotalWidth=de("_totalWidths"),ue.prototype.getTotalHeight=de("_totalHeights");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s("button",{type:"button",id:this.settings.ID+e,class:"diva-"+e+" diva-button",title:t});return n&&o.appendChild(n),i&&o.addEventListener("click",i),o}createLabel(e,t,i,n,o){return s("div",{id:this.settings.ID+t,class:e+" diva-label"},[i,s("span",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton("zoom-out-button","Zoom Out",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton("zoom-in-button","Zoom In",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel("diva-zoom-label","zoom-label","Zoom level: ","zoom-level",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+"zoom-level").textContent=this.settings.zoomLevel+1};return this._subscribe("ZoomLevelDidChange",n),this._subscribe("ViewerDidLoad",n),s("div",{id:this.settings.ID+"zoom-controls",style:"display: none"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton("grid-out-button","Fewer",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton("grid-in-button","More",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel("diva-grid-label","grid-label","Pages per row: ","pages-per-row",this.settings.pagesPerRow)];return this._subscribe("GridRowNumberDidChange",function(){document.getElementById(this.settings.ID+"pages-per-row").textContent=this.settings.pagesPerRow}),s("div",{id:this.settings.ID+"grid-controls",style:"display:none"},i)}createPageLabel(){const e=s("span",{id:this.settings.ID+"current-page"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+" - "+s:e.textContent=n+" - "+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe("VisiblePageDidChange",t),this._subscribe("ViewerDidLoad",t),this._subscribe("ViewDidSwitch",t),s("span",{class:"diva-page-label diva-label"},e)}createGotoPageForm(){const e=s("input",{id:this.settings.ID+"goto-page-input",class:"diva-input diva-goto-page-input",autocomplete:"off",type:"text"}),t=s("input",{id:this.settings.ID+"goto-page-submit",class:"diva-button diva-button-text",type:"submit",value:"Go"}),i=s("div",{id:this.settings.ID+"input-suggestions",class:"diva-input-suggestions"}),n=s("form",{id:this.settings.ID+"goto-page",class:"diva-goto-form"},e,t,i);return n.addEventListener("submit",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&"function"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert("No page could be found with that label or page number")}else this.viewer.gotoPageByLabel(s)||window.alert("No page could be found with that label or page number");return i.style.display="none",!1}),["input","focus"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML="";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s("div",{class:"diva-input-suggestion"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display="block")}else i.style.display="none"})}),e.addEventListener("keydown",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName("active")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove("active"),null!==e&&e.classList.add("active");else{let e=document.getElementsByClassName("diva-input-suggestion").length-1;document.getElementsByClassName("diva-input-suggestion")[e].classList.add("active")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove("active"),null!==e&&e.classList.add("active")):document.getElementsByClassName("diva-input-suggestion")[0].classList.add("active")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,"mousedown",".diva-input-suggestion",function(){e.value=this.textContent,i.style.display="none";let t=new Event("submit");n.dispatchEvent(t)}),e.addEventListener("blur",()=>{i.style.display="none"}),n}createViewMenu(){const e=s("div",this._elemAttrs("view-options")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton("view-icon","Change view",()=>{e.style.display="none"===e.style.display?"block":"none"}),r=t=>{this.viewer.changeView(t),e.style.display="none"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className="diva-grid-icon diva-view-icon 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y{constructor(e,t){this.page=e,this._viewerCore=t,this._innerElement=this._viewerCore.getSettings().innerElement,this._pageToolsElem=null,this.labelWidth=0}mount(){null===this._pageToolsElem&&(this._buttons=this._initializePageToolButtons(),this._pageToolsElem=s("div",{class:"diva-page-tools-wrapper"},s("div",{class:"diva-page-tools"},this._buttons)),this._pageLabelsElem=s("div",{class:"diva-page-labels-wrapper"},s("div",{class:"diva-page-labels"},this._viewerCore.settings.manifest.pages[this.page].l))),this.refresh(),this._innerElement.appendChild(this._pageToolsElem),this._innerElement.appendChild(this._pageLabelsElem)}_initializePageToolButtons(){const e=this._viewerCore.getSettings(),t=this._viewerCore.getPublicInstance(),i=this.page;return this._viewerCore.getPageTools().map(s=>{const n=s.pageToolsIcon.cloneNode(!0);return n.addEventListener("click",n=>{s.handleClick.call(s,n,e,t,i)},!1),n.addEventListener("touchend",n=>{n.preventDefault(),s.handleClick.call(s,n,e,t,i)},!1),n})}unmount(){this._innerElement.removeChild(this._pageToolsElem),this._innerElement.removeChild(this._pageLabelsElem)}refresh(){const e=this._viewerCore.getPageRegion(this.page,{includePadding:!0,incorporateViewport:!0});let t=window.getComputedStyle(this._innerElement,null).getPropertyValue("margin-left");this._pageToolsElem.style.top=`${e.top}px`,this._pageToolsElem.style.left=`${e.left-parseInt(t)}px`,this._pageLabelsElem.style.top=`${e.top}px`,this._pageLabelsElem.style.left=`${e.right-parseInt(t)-this.labelWidth-5}px`}}class _{constructor(e){if(this._viewerCore=e,this._viewerState=e.getInternalState(),this._overlays=[],this._viewerCore.getPageTools().length){const t=e.getSettings().numPages;for(let i=0;i<t;i++){const t=new y(i,e);this._overlays.push(t),this._viewerCore.addPageOverlay(t);let s=document.createElement("span");s.innerHTML=e.settings.manifest.pages[i].l,s.classList.add("diva-page-labels"),s.setAttribute("style","display: inline-block;"),document.body.appendChild(s);let n=s.clientWidth;document.body.removeChild(s),t.labelWidth=n}}}onDoubleClick(e,t){const i=this._viewerCore.getSettings(),s=e.ctrlKey?i.zoomLevel-1:i.zoomLevel+1,n=this._viewerCore.getPagePositionAtViewportOffset(t);this._viewerCore.zoom(s,n)}onPinch(e,t,i,s){const n=this._viewerCore.getInternalState(),o=this._viewerCore.getSettings();let r=Math.log(Math.pow(2,o.zoomLevel)*s/(i*Math.log(2)))/Math.log(2);if(r=Math.max(o.minZoomLevel,r),(r=Math.min(o.maxZoomLevel,r))===o.zoomLevel)return;const a=this._viewerCore.getPagePositionAtViewportOffset(t),l=this._viewerCore.getCurrentLayout().getPageToViewportCenterOffset(a.anchorPage,n.viewport),h=1/Math.pow(2,o.zoomLevel-r);this._viewerCore.reload({zoomLevel:r,goDirectlyTo:a.anchorPage,horizontalOffset:l.x-a.offset.left+a.offset.left*h,verticalOffset:l.y-a.offset.top+a.offset.top*h})}onViewWillLoad(){this._viewerCore.publish("DocumentWillLoad",this._viewerCore.getSettings())}onViewDidLoad(){this._handleZoomLevelChange();const e=this._viewerCore.getSettings().activePageIndex,t=this._viewerCore.getPageName(e);this._viewerCore.publish("DocumentDidLoad",e,t)}onViewDidUpdate(e,t){const i=null!==t?t:function(e,t,i){const s=i.top+i.height/2,n=i.left+i.width/2,o=b()(e,e=>{const i=t.getPageDimensions(e),o=t.getPageOffset(e,{includePadding:!1}),r=o.left+i.height/2,a=o.top+i.width/2,l=Math.max(Math.abs(n-r)-i.width/2,0),h=Math.max(Math.abs(s-a)-i.height/2,0);return-(l*l+h*h)});return 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i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let 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t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)("diva:ImageCache"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const 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t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return i=null===t?1:Math.pow(2,t-e.zoomLevel),{sourceZoomLevel:e.zoomLevel,scaleRatio:i,row:e.row,col:e.col,dimensions:{width:e.dimensions.width*i,height:e.dimensions.height*i},offset:{left:e.offset.left*i,top:e.offset.top*i},url:e.url}}function R(e,t){if(e===t)return{added:[],removed:[]};const i=e.filter(e=>-1===t.indexOf(e));return{added:t.filter(t=>-1===e.indexOf(t)),removed:i}}function H(e,t){const i=t.getMaxPageDimensions(e);return{width:Math.floor(i.width),height:Math.floor(i.height)}}function B(e){return function(e){const t=e.manifest,i=[];let s=null,n=[];const o=()=>{for(let e=0,t=n.length;e<t;e++)i.push([n[e]]);n=[]};t.pages.forEach((r,a)=>{const l={index:a,dimensions:H(a,t),paged:!t.paged||r.paged};(e.showNonPagedPages||l.paged)&&(l.paged?0===a||r.facingPages?(i.push([l]),o()):null===s?s=l:(i.push([s,l]),s=null,o()):n.push(l))}),null!==s&&(i.push([s]),o());return i}(e).map(t=>(function(e,t){const i=e.verticallyOriented;if(2===t.length)return function(e,t,i){const s=e.dimensions,n=t.dimensions,o=Math.max(s.height,n.height);let r,a,l;if(i){const e=Math.max(s.width,n.width);r=2*e,a=e-s.width,l=e}else r=s.width+n.width,a=0,l=s.width;return{dimensions:{height:o,width:r},pages:[{index:e.index,dimensions:s,groupOffset:{top:0,left:a}},{index:t.index,dimensions:n,groupOffset:{top:0,left:l}}]}}(t[0],t[1],i);const s=t[0],n=s.dimensions;let o;o=s.paged?0===s.index&&i?n.width:0:i?n.width/2:0;const r=i&&!e.manifest.pages[s.index].facingPages;return{dimensions:{height:n.height,width:r?2*n.width:n.width},pages:[{index:s.index,groupOffset:{top:0,left:o},dimensions:n}]}})(e,t))}function Z(e){const t=e.viewport.width,i=e.manifest,s=e.pagesPerRow,n=e.fixedHeightGrid,o=e.fixedPadding,r=e.showNonPagedPages,a=(t-o*(s+1))/s,l=a,h=n?o+i.minRatio*a:o+i.maxRatio*a,c=[];let u=[];const d={height:h,width:t};return i.pages.forEach((e,t)=>{if(!r&&i.paged&&!e.paged)return;const a=(e=>{const t=e.d[e.d.length-1],i=t.h/t.w;let s,r;return 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this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i="_"+e,s="scroll"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this["_"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X("top","height"),left:X("left","width"),width:K("width"),height:K("height"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)("diva:ViewerCore");function te(){return te.counter++}te.counter=1;const ie=[{key:"goDirectlyTo",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:"minPagesPerRow",validate:e=>Math.max(2,e)},{key:"maxPagesPerRow",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:"pagesPerRow",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:"maxZoomLevel",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:"minZoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:"zoomLevel",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:"",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID="diva-"+n+"-",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:"manifest",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement("p");e.style.width="100%",e.style.height="200px";let t=document.createElement("div");t.style.position="absolute",t.style.top="0px",t.style.left="0px",t.style.visibility="hidden",t.style.width="200px",t.style.height="150px",t.style.overflow="hidden",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow="scroll";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?"":n+"");const o=s("div",this.elemAttrs("inner",{class:"diva-inner"})),r=s("div",this.elemAttrs("viewport"),o),a=s("div",this.elemAttrs("outer"),r,s("div",this.elemAttrs("throbber"),[s("div",{class:"cube cube1"}),s("div",{class:"cube cube2"}),s("div",{class:"cube cube3"}),s("div",{class:"cube cube4"}),s("div",{class:"cube cube5"}),s("div",{class:"cube cube6"}),s("div",{class:"cube cube7"}),s("div",{class:"cube cube8"}),s("div",{class:"cube cube9"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,"zoomLevel")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push(["ZoomLevelDidChange",e.zoomLevel])),this.hasChangedOption(e,"pagesPerRow")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push(["GridRowNumberDidChange",e.pagesPerRow])),this.hasChangedOption(e,"verticallyOriented")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,"showNonPagedPages")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),"goDirectlyTo"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,"verticalOffset"in e&&(this.viewerState.verticalOffset=e.verticalOffset),"horizontalOffset"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,"inGrid")||this.hasChangedOption(e,"inBookLayout"))&&("inGrid"in e&&(this.viewerState.options.inGrid=e.inGrid),"inBookLayout"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push(["ViewDidSwitch",this.settings.inGrid])),this.hasChangedOption(e,"inFullscreen")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push(["ModeDidSwitch",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return"pageLayouts"!==e&&"padding"!==e}).map(function(t){const i=e[t];return t+": "+JSON.stringify(i)}).join(", ");ee("reload with %s",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?"add":"remove";this.viewerState.outerObject.classList[t]("diva-fullscreen"),document.body.classList[t]("diva-hide-scrollbar"),this.settings.parentObject.classList[t]("diva-full-width");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||"verticalOffset"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener("keyup",this.boundEscapeListener):document.removeEventListener("keyup",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish("PageWillLoad",e)},onZoomLevelWillChange:e=>{this.publish("ZoomLevelWillChange",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption("zoomLevel",e))return!1;if(this.viewerState.viewportObject.removeEventListener("scroll",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+"zoom-in-button"),h=document.getElementById(this.settings.selector+"zoom-out-button");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish("ZoomLevelDidChange",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"center"===t||"centre"===t?parseInt(this.getPageData(i,"h")/2,10):"bottom"===t?parseInt(this.getPageData(i,"h")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return"left"===t?parseInt(this.settings.panelWidth/2,10):"right"===t?parseInt(this.getPageData(i,"w")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,"w")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add("dragscroll"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee("Double click at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener("touchmove",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee("Pinch %s at %s, %s",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee("Double tap at %s, %s",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish("ViewerDidScroll",o),i>0?this.publish("ViewerDidScrollDown",o):i<0&&this.publish("ViewerDidScrollUp",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener("mousedown",()=>{this.viewerState.innerObject.classList.add("diva-grabbing")}),this.viewerState.innerObject.addEventListener("mouseup",()=>{this.viewerState.innerObject.classList.remove("diva-grabbing")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener("scroll",this.boundScrollFunction);document.addEventListener("keydown.diva",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe("ViewerDidTerminate",function(){document.removeEventListener("keydown.diva")},this.settings.ID),window.addEventListener("resize",this.onResize.bind(this),!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("resize",this.onResize,!1)},this.settings.ID),"onorientationchange"in window&&(window.addEventListener("orientationchange",this.onResize,!1),c.Events.subscribe("ViewerDidTerminate",function(){window.removeEventListener("orientationchange",this.onResize,!1)},this.settings.ID)),c.Events.subscribe("PanelSizeDidChange",this.updatePanelSize,this.settings.ID),c.Events.subscribe("ViewerDidTerminate",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty("plugins"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="block")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+"throbber");e&&(e.style.display="none")}showError(e){const t=s("div",this.elemAttrs("error"),[s("button",this.elemAttrs("error-close",{"aria-label":"Close dialog"})),s("p",s("strong","Error")),s("div",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector("#"+this.settings.selector+"error-close").addEventListener("click",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish("NumberOfPagesDidChange",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish("ObjectDidLoad",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,"center"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,"top")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+"title");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s("div",this.elemAttrs("title"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+"px":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+"px",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,"top")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,"center")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish("ViewerDidLoad",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?"width":"height";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish("VisiblePageDidChange",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish("VisiblePageHasAlternateViews",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow="auto",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")&&this.viewerState.viewportObject.removeAttribute("nochilddrag")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow="hidden",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute("nochilddrag")||this.viewerState.viewportObject.setAttribute("nochilddrag","")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish("ViewerWillTerminate",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass("diva-hide-scrollbar"),this.settings.parentObject.parent().empty().removeData("diva"),this.settings.parentObject.parent().removeAttr("style").removeAttr("class"),this.publish("ViewerDidTerminate",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o="/"!==n.url.slice(-1)?n.url+"/":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||"",d:r}}),ae=e=>"http://iiif.io/api/presentation/2/context.json"===e?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/2/context.json")?2:Array.isArray(e)&&e.includes("http://iiif.io/api/presentation/3/context.json")?3:2;function le(e){let t=e["@context"];if(!t)return console.error("Invalid IIIF Manifest; No @context found."),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])["@id"]||a.id,b=a.label,C=[],"oa:Choice"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)["@type"]||"Choice"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn("Invalid width or height for canvas "+b+". Skipping");continue}m=ne(p,f),y=h.label||null,d="/"!==(g=he(h)).url.slice(-1)?g.url+"/":g.url,v="http://iiif.io/api/image/2/context.json"===(u=h.service["@context"]||h.service.type)||"ImageService2"===u?2:"http://library.stanford.edu/iiif/image-api/1.1/context.json"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t="non-paged"!==a.viewingHint||!!a.behavior&&"non-paged"!==a.behavior[0],i="facing-pages"===a.viewingHint||!!a.behavior&&"facing-pages"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s="object"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):"object"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(", ")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:"paged"===e.viewingHint||!!e.behaviour&&"paged"===e.behaviour[0]||!!s&&"paged"===s.viewingHint}}function he(e){let t=e["@id"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s="",n=!0;if(/\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\//.test(t)){const e=t.split("/");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service["@id"]||e.service.id)&&(t=e.service["@id"]||e.service.id,n=!1);n&&(t=t.split("/").slice(0,-4).join("/"));const o={url:t};if(s.length){const e=s.split(",");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?"full":(null==i.width?"":i.width)+","+(null==i.height?"":i.height);const n=e.pages[t],o=n.api>1.1?"default":"native";return encodeURI(n.url+"full/"+s+"/0/"+o+".jpg")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty("xoffset")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(","),c=s.api>1.1?"default":"native";return encodeURI(s.url+h+"/"+o+","+n+"/0/"+c+".jpg")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError("Zoom level must be an integer: "+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de("_maxWidths"),ue.prototype.getMaxHeight=de("_maxHeights"),ue.prototype.getAverageWidth=de("_averageWidths"),ue.prototype.getAverageHeight=de("_averageHeights"),ue.prototype.getTotalWidth=de("_totalWidths"),ue.prototype.getTotalHeight=de("_totalHeights");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:"diva-"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s("button",{type:"button",id:this.settings.ID+e,class:"diva-"+e+" diva-button",title:t});return n&&o.appendChild(n),i&&o.addEventListener("click",i),o}createLabel(e,t,i,n,o){return s("div",{id:this.settings.ID+t,class:e+" diva-label"},[i,s("span",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton("zoom-out-button","Zoom Out",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton("zoom-in-button","Zoom In",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel("diva-zoom-label","zoom-label","Zoom level: ","zoom-level",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+"zoom-level").textContent=this.settings.zoomLevel+1};return this._subscribe("ZoomLevelDidChange",n),this._subscribe("ViewerDidLoad",n),s("div",{id:this.settings.ID+"zoom-controls",style:"display: none"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton("grid-out-button","Fewer",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton("grid-in-button","More",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel("diva-grid-label","grid-label","Pages per row: ","pages-per-row",this.settings.pagesPerRow)];return this._subscribe("GridRowNumberDidChange",function(){document.getElementById(this.settings.ID+"pages-per-row").textContent=this.settings.pagesPerRow}),s("div",{id:this.settings.ID+"grid-controls",style:"display:none"},i)}createPageLabel(){const e=s("span",{id:this.settings.ID+"current-page"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+" - "+s:e.textContent=n+" - "+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe("VisiblePageDidChange",t),this._subscribe("ViewerDidLoad",t),this._subscribe("ViewDidSwitch",t),s("span",{class:"diva-page-label diva-label"},e)}createGotoPageForm(){const e=s("input",{id:this.settings.ID+"goto-page-input",class:"diva-input diva-goto-page-input",autocomplete:"off",type:"text"}),t=s("input",{id:this.settings.ID+"goto-page-submit",class:"diva-button diva-button-text",type:"submit",value:"Go"}),i=s("div",{id:this.settings.ID+"input-suggestions",class:"diva-input-suggestions"}),n=s("form",{id:this.settings.ID+"goto-page",class:"diva-goto-form"},e,t,i);return n.addEventListener("submit",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&"function"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert("No page could be found with that label or page number")}else this.viewer.gotoPageByLabel(s)||window.alert("No page could be found with that label or page number");return i.style.display="none",!1}),["input","focus"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML="";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s("div",{class:"diva-input-suggestion"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display="block")}else i.style.display="none"})}),e.addEventListener("keydown",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName("active")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove("active"),null!==e&&e.classList.add("active");else{let e=document.getElementsByClassName("diva-input-suggestion").length-1;document.getElementsByClassName("diva-input-suggestion")[e].classList.add("active")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName("active")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove("active"),null!==e&&e.classList.add("active")):document.getElementsByClassName("diva-input-suggestion")[0].classList.add("active")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,"mousedown",".diva-input-suggestion",function(){e.value=this.textContent,i.style.display="none";let t=new Event("submit");n.dispatchEvent(t)}),e.addEventListener("blur",()=>{i.style.display="none"}),n}createViewMenu(){const e=s("div",this._elemAttrs("view-options")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton("view-icon","Change view",()=>{e.style.display="none"===e.style.display?"block":"none"}),r=t=>{this.viewer.changeView(t),e.style.display="none"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className="diva-grid-icon diva-view-icon diva-button"):this.settings.inBookLayout?(o.appendChild(i),o.className="diva-book-icon diva-view-icon diva-button"):(o.appendChild(n),o.className="diva-document-icon diva-view-icon diva-button");const s=document.createDocumentFragment();for((this.settings.inGrid||this.settings.inBookLayout)&&s.appendChild(this.createButton("document-icon","Document View",r.bind(null,"document"),n)),!this.settings.inGrid&&this.settings.inBookLayout||s.appendChild(this.createButton("book-icon","Book View",r.bind(null,"book"),i)),this.settings.inGrid||s.appendChild(this.createButton("grid-icon","Grid View",r.bind(null,"grid"),t));e.firstChild;)e.removeChild(e.firstChild);e.appendChild(s)};return document.addEventListener("mouseup",t=>{e!==t.target&&(e.style.display="none")}),this._subscribe("ViewDidSwitch",a),this._subscribe("ObjectDidLoad",a),s("div",this._elemAttrs("view-menu"),o,e)}createFullscreenButton(){let e=this._createFullscreenIcon();return this.createButton("fullscreen-icon","Toggle fullscreen mode",()=>{this.viewer.toggleFullscreenMode()},e)}toggleZoomGridControls(){this.settings.inGrid?(document.getElementById(this.settings.ID+"zoom-controls").style.display="none",document.getElementById(this.settings.ID+"grid-controls").style.display="block"):(document.getElementById(this.settings.ID+"zoom-controls").style.display="block",document.getElementById(this.settings.ID+"grid-controls").style.display="none")}render(){this._subscribe("ViewDidSwitch",this.toggleZoomGridControls),this._subscribe("ObjectDidLoad",this.toggleZoomGridControls);let e=[this.createZoomButtons(),this.createGridControls()],t=[this.createPageLabel(),this.createViewMenu()];this.settings.enableFullscreen&&t.push(this.createFullscreenButton()),this.settings.enableGotoPage&&t.splice(1,0,this.createGotoPageForm());let i=this.viewer.viewerState.pluginInstances;for(let s=0,o=i.length;s<o;s++){let o=i[s];o.toolbarSide&&(o.toolbarIcon=o.createIcon(),o.toolbarIcon&&("right"===o.toolbarSide?t.splice(2,0,o.toolbarIcon):"left"===o.toolbarSide&&e.splice(2,0,o.toolbarIcon),o.toolbarIcon.addEventListener("click",n.bind(this,o))))}function n(e){e.handleClick(this.viewer)}const o=s("div",this._elemAttrs("tools"),s("div",this._elemAttrs("tools-left"),e),s("div",this._elemAttrs("tools-right"),t));this.settings.toolbarParentObject.insertBefore(o,this.settings.toolbarParentObject.firstChild)}_createToolbarIcon(e){let t=document.createElementNS("http://www.w3.org/2000/svg","svg");t.setAttributeNS(null,"viewBox","0 0 25 25"),t.setAttributeNS(null,"x","0px"),t.setAttributeNS(null,"y","0px"),t.setAttributeNS(null,"style","enable-background:new 0 0 48 48;");let i=document.createElementNS("http://www.w3.org/2000/svg","g");return i.setAttributeNS(null,"transform","matrix(1, 0, 0, 1, -12, -12)"),e.forEach(e=>{let t=document.createElementNS("http://www.w3.org/2000/svg","path");t.setAttributeNS(null,"d",e),i.appendChild(t)}),t.appendChild(i),t}_createZoomOutIcon(){return this._createToolbarIcon(["M19.5,23c-0.275,0-0.5-0.225-0.5-0.5v-1c0-0.275,0.225-0.5,0.5-0.5h7c0.275,0,0.5,0.225,0.5,0.5v1c0,0.275-0.225,0.5-0.5,0.5H19.5z","M37.219,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.422,33.722,37.422,34.054,37.219,34.257z M29.568,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.555,28.818,29.568,25.805,29.568,22.099z"])}_createZoomInIcon(){return this._createToolbarIcon(["M37.469,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.672,33.722,37.672,34.054,37.469,34.257z M29.818,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.805,28.818,29.818,25.805,29.818,22.099z M26.5,21H24v-2.5c0-0.275-0.225-0.5-0.5-0.5h-1c-0.275,0-0.5,0.225-0.5,0.5V21h-2.5c-0.275,0-0.5,0.225-0.5,0.5v1c0,0.275,0.225,0.5,0.5,0.5H22v2.5c0,0.275,0.225,0.5,0.5,0.5h1c0.275,0,0.5-0.225,0.5-0.5V23h2.5c0.275,0,0.5-0.225,0.5-0.5v-1C27,21.225,26.775,21,26.5,21z"])}_createGridMoreIcon(){return this._createToolbarIcon(["M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z 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i=s("div",{class:`diva-wrapper${this.options.fillParentHeight?" diva-wrapper-flexbox":""}`});this.element.appendChild(i),this.options.toolbarParentObject=this.options.toolbarParentObject||i;const n=new se(i,this.options,this);this.viewerState=n.getInternalState(),this.settings=n.getSettings(),this.toolbar=this.settings.enableToolbar?new ge(this):null,i.id=this.settings.ID+"wrapper",this.divaState={viewerCore:n,toolbar:this.toolbar};let o=c.Events.subscribe("ObjectDidLoad",()=>{null!==this.toolbar&&this.toolbar.render(),c.Events.unsubscribe(o)});this.hashState=this._getHashParamState(),this._loadOrFetchObjectData()}_loadOrFetchObjectData(){if("object"==typeof this.settings.objectData)setTimeout(()=>{this._loadObjectData(this.settings.objectData,this.hashState)},0);else{let e={Accept:this.settings.acceptHeader};this.settings.addRequestHeaders&&Object.assign(e,this.settings.addRequestHeaders);const t=fetch(this.settings.objectData,{headers:e}).then(e=>{if(!e.ok){c.Events.publish("ManifestFetchError",[e],this),this._ajaxError(e);let t=new Error(e.statusText);throw t.response=e,t}return e.json()}).then(e=>{this._loadObjectData(e,this.hashState)});this.divaState.viewerCore.setPendingManifestRequest(t)}}_showError(e){this.divaState.viewerCore.showError(e)}_ajaxError(e){const t=["Invalid objectData setting. Error code: "+e.status+" "+e.statusText];if(0===this.settings.objectData.lastIndexOf("http",0)){const e=this.settings.objectData.replace(/https?:\/\//i,"").split(/[/?#]/)[0];window.location.hostname!==e&&t.push(s("p","Attempted to access cross-origin data without CORS."),s("p","You may need to update your server configuration to support CORS. 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This is likely because it is still downloading data. 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null!=o?o:null}(e,this._viewerCore.getCurrentLayout(),this._viewerCore.getViewport());let s=this._viewerState.viewport.intersectionTolerance;this._viewerState.viewport.intersectionTolerance=0;let n=e.filter(e=>this._viewerState.renderer.isPageVisible(e));this._viewerState.viewport.intersectionTolerance=s,null!==i&&this._viewerCore.setCurrentPages(i,n),null!==t&&this._viewerCore.publish(\"ViewerDidJump\",t),this._handleZoomLevelChange()}_handleZoomLevelChange(){const e=this._viewerState,t=e.options.zoomLevel;e.oldZoomLevel!==t&&e.oldZoomLevel>=0&&(e.oldZoomLevel<t?this._viewerCore.publish(\"ViewerDidZoomIn\",t):this._viewerCore.publish(\"ViewerDidZoomOut\",t),this._viewerCore.publish(\"ViewerDidZoom\",t)),e.oldZoomLevel=t}destroy(){this._overlays.forEach(e=>{this._viewerCore.removePageOverlay(e)},this)}}class P{constructor(e){this._viewerCore=e}onDoubleClick(e,t){const i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let 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t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)(\"diva:ImageCache\"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const 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t=this.layout.getPageInfo(e),i=this._getImageOffset(e),s=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),n=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),o=i.left-this._viewport.left+s,r=i.top-this._viewport.top+n,a=o<0?-o:0,l=r<0?-r:0,h=Math.max(0,o),c=Math.max(0,r),u=t.dimensions.width-a,d=t.dimensions.height-l;this._ctx.strokeStyle=\"#AAA\",this._ctx.strokeRect(h+.5,c+.5,u,d)})}_initiateTileRequests(e){const t={},i=(e,i)=>{const s=this._compositeImages[i];t[e.url]=new M({url:e.url,timeoutTime:F,load:t=>{delete this._pendingRequests[e.url],this._cache.put(e.url,t),s===this._compositeImages[i]?(s.updateWithLoadedUrls([e.url]),this._isTileForSourceVisible(i,e)&&this._paint()):this._isTileForSourceVisible(i,e)&&this._paint()},error:()=>{delete this._pendingRequests[e.url]}})};for(let s=0;s<e.length;s++){const n=e[s],o=this._sourceResolver.getBestZoomLevelForPage(this.layout.getPageInfo(n)).tiles;for(let e=0;e<o.length;e++){const s=o[e];!this._cache.has(s.url)&&this._isTileForSourceVisible(n,s)&&(this._pendingRequests[s.url]?(t[s.url]=this._pendingRequests[s.url],delete this._pendingRequests[s.url]):i(s,n))}}for(const e in this._pendingRequests)this._pendingRequests[e].abort();this._pendingRequests=t}_drawTile(e,t,i){let s=this._getTileToDocumentOffset(e,t),n=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),o=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),r=s.left-this._viewport.left+n,a=s.top-this._viewport.top+o,l=r<0?-r:0,h=a<0?-a:0,c=Math.max(0,r),u=Math.max(0,a),d=l/t.scaleRatio,g=h/t.scaleRatio,v=Math.min(t.dimensions.width,i.width*t.scaleRatio)-l,p=Math.min(t.dimensions.height,i.height*t.scaleRatio)-h,f=Math.max(1,Math.round(v)),m=Math.max(1,Math.round(p)),w=f/t.scaleRatio,b=m/t.scaleRatio;this._ctx.drawImage(i,d,g,w,b,c,u,f,m)}_isTileForSourceVisible(e,t){return this._isTileVisible(e,A(t,this._zoomLevel))}_isTileVisible(e,t){const 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t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return 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this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i=\"_\"+e,s=\"scroll\"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this[\"_\"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X(\"top\",\"height\"),left:X(\"left\",\"width\"),width:K(\"width\"),height:K(\"height\"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)(\"diva:ViewerCore\");function te(){return te.counter++}te.counter=1;const ie=[{key:\"goDirectlyTo\",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:\"minPagesPerRow\",validate:e=>Math.max(2,e)},{key:\"maxPagesPerRow\",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:\"pagesPerRow\",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:\"maxZoomLevel\",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:\"minZoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:\"zoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:\"\",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID=\"diva-\"+n+\"-\",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:\"manifest\",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement(\"p\");e.style.width=\"100%\",e.style.height=\"200px\";let t=document.createElement(\"div\");t.style.position=\"absolute\",t.style.top=\"0px\",t.style.left=\"0px\",t.style.visibility=\"hidden\",t.style.width=\"200px\",t.style.height=\"150px\",t.style.overflow=\"hidden\",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow=\"scroll\";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?\"\":n+\"\");const o=s(\"div\",this.elemAttrs(\"inner\",{class:\"diva-inner\"})),r=s(\"div\",this.elemAttrs(\"viewport\"),o),a=s(\"div\",this.elemAttrs(\"outer\"),r,s(\"div\",this.elemAttrs(\"throbber\"),[s(\"div\",{class:\"cube cube1\"}),s(\"div\",{class:\"cube cube2\"}),s(\"div\",{class:\"cube cube3\"}),s(\"div\",{class:\"cube cube4\"}),s(\"div\",{class:\"cube cube5\"}),s(\"div\",{class:\"cube cube6\"}),s(\"div\",{class:\"cube cube7\"}),s(\"div\",{class:\"cube cube8\"}),s(\"div\",{class:\"cube cube9\"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,\"zoomLevel\")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push([\"ZoomLevelDidChange\",e.zoomLevel])),this.hasChangedOption(e,\"pagesPerRow\")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push([\"GridRowNumberDidChange\",e.pagesPerRow])),this.hasChangedOption(e,\"verticallyOriented\")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,\"showNonPagedPages\")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),\"goDirectlyTo\"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,\"verticalOffset\"in e&&(this.viewerState.verticalOffset=e.verticalOffset),\"horizontalOffset\"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,\"inGrid\")||this.hasChangedOption(e,\"inBookLayout\"))&&(\"inGrid\"in e&&(this.viewerState.options.inGrid=e.inGrid),\"inBookLayout\"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push([\"ViewDidSwitch\",this.settings.inGrid])),this.hasChangedOption(e,\"inFullscreen\")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push([\"ModeDidSwitch\",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return\"pageLayouts\"!==e&&\"padding\"!==e}).map(function(t){const i=e[t];return t+\": \"+JSON.stringify(i)}).join(\", \");ee(\"reload with %s\",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?\"add\":\"remove\";this.viewerState.outerObject.classList[t](\"diva-fullscreen\"),document.body.classList[t](\"diva-hide-scrollbar\"),this.settings.parentObject.classList[t](\"diva-full-width\");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||\"verticalOffset\"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener(\"keyup\",this.boundEscapeListener):document.removeEventListener(\"keyup\",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish(\"PageWillLoad\",e)},onZoomLevelWillChange:e=>{this.publish(\"ZoomLevelWillChange\",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption(\"zoomLevel\",e))return!1;if(this.viewerState.viewportObject.removeEventListener(\"scroll\",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+\"zoom-in-button\"),h=document.getElementById(this.settings.selector+\"zoom-out-button\");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish(\"ZoomLevelDidChange\",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"center\"===t||\"centre\"===t?parseInt(this.getPageData(i,\"h\")/2,10):\"bottom\"===t?parseInt(this.getPageData(i,\"h\")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"left\"===t?parseInt(this.settings.panelWidth/2,10):\"right\"===t?parseInt(this.getPageData(i,\"w\")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,\"w\")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add(\"dragscroll\"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee(\"Double click at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener(\"touchmove\",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee(\"Pinch %s at %s, %s\",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee(\"Double tap at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish(\"ViewerDidScroll\",o),i>0?this.publish(\"ViewerDidScrollDown\",o):i<0&&this.publish(\"ViewerDidScrollUp\",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener(\"mousedown\",()=>{this.viewerState.innerObject.classList.add(\"diva-grabbing\")}),this.viewerState.innerObject.addEventListener(\"mouseup\",()=>{this.viewerState.innerObject.classList.remove(\"diva-grabbing\")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction);document.addEventListener(\"keydown.diva\",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe(\"ViewerDidTerminate\",function(){document.removeEventListener(\"keydown.diva\")},this.settings.ID),window.addEventListener(\"resize\",this.onResize.bind(this),!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"resize\",this.onResize,!1)},this.settings.ID),\"onorientationchange\"in window&&(window.addEventListener(\"orientationchange\",this.onResize,!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"orientationchange\",this.onResize,!1)},this.settings.ID)),c.Events.subscribe(\"PanelSizeDidChange\",this.updatePanelSize,this.settings.ID),c.Events.subscribe(\"ViewerDidTerminate\",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty(\"plugins\"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"block\")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"none\")}showError(e){const t=s(\"div\",this.elemAttrs(\"error\"),[s(\"button\",this.elemAttrs(\"error-close\",{\"aria-label\":\"Close dialog\"})),s(\"p\",s(\"strong\",\"Error\")),s(\"div\",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector(\"#\"+this.settings.selector+\"error-close\").addEventListener(\"click\",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish(\"NumberOfPagesDidChange\",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish(\"ObjectDidLoad\",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,\"center\"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,\"top\")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+\"title\");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s(\"div\",this.elemAttrs(\"title\"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+\"px\":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+\"px\",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,\"top\")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,\"center\")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish(\"ViewerDidLoad\",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?\"width\":\"height\";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish(\"VisiblePageDidChange\",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish(\"VisiblePageHasAlternateViews\",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow=\"auto\",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")&&this.viewerState.viewportObject.removeAttribute(\"nochilddrag\")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow=\"hidden\",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")||this.viewerState.viewportObject.setAttribute(\"nochilddrag\",\"\")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish(\"ViewerWillTerminate\",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass(\"diva-hide-scrollbar\"),this.settings.parentObject.parent().empty().removeData(\"diva\"),this.settings.parentObject.parent().removeAttr(\"style\").removeAttr(\"class\"),this.publish(\"ViewerDidTerminate\",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o=\"/\"!==n.url.slice(-1)?n.url+\"/\":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||\"\",d:r}}),ae=e=>\"http://iiif.io/api/presentation/2/context.json\"===e?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/2/context.json\")?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/3/context.json\")?3:2;function le(e){let t=e[\"@context\"];if(!t)return console.error(\"Invalid IIIF Manifest; No @context found.\"),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])[\"@id\"]||a.id,b=a.label,C=[],\"oa:Choice\"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)[\"@type\"]||\"Choice\"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn(\"Invalid width or height for canvas \"+b+\". Skipping\");continue}m=ne(p,f),y=h.label||null,d=\"/\"!==(g=he(h)).url.slice(-1)?g.url+\"/\":g.url,v=\"http://iiif.io/api/image/2/context.json\"===(u=h.service[\"@context\"]||h.service.type)||\"ImageService2\"===u?2:\"http://library.stanford.edu/iiif/image-api/1.1/context.json\"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t=\"non-paged\"!==a.viewingHint||!!a.behavior&&\"non-paged\"!==a.behavior[0],i=\"facing-pages\"===a.viewingHint||!!a.behavior&&\"facing-pages\"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s=\"object\"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):\"object\"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(\", \")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:\"paged\"===e.viewingHint||!!e.behaviour&&\"paged\"===e.behaviour[0]||!!s&&\"paged\"===s.viewingHint}}function he(e){let t=e[\"@id\"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s=\"\",n=!0;if(/\\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\\//.test(t)){const e=t.split(\"/\");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service[\"@id\"]||e.service.id)&&(t=e.service[\"@id\"]||e.service.id,n=!1);n&&(t=t.split(\"/\").slice(0,-4).join(\"/\"));const o={url:t};if(s.length){const e=s.split(\",\");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?\"full\":(null==i.width?\"\":i.width)+\",\"+(null==i.height?\"\":i.height);const n=e.pages[t],o=n.api>1.1?\"default\":\"native\";return encodeURI(n.url+\"full/\"+s+\"/0/\"+o+\".jpg\")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty(\"xoffset\")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(\",\"),c=s.api>1.1?\"default\":\"native\";return encodeURI(s.url+h+\"/\"+o+\",\"+n+\"/0/\"+c+\".jpg\")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError(\"Zoom level must be an integer: \"+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de(\"_maxWidths\"),ue.prototype.getMaxHeight=de(\"_maxHeights\"),ue.prototype.getAverageWidth=de(\"_averageWidths\"),ue.prototype.getAverageHeight=de(\"_averageHeights\"),ue.prototype.getTotalWidth=de(\"_totalWidths\"),ue.prototype.getTotalHeight=de(\"_totalHeights\");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s(\"button\",{type:\"button\",id:this.settings.ID+e,class:\"diva-\"+e+\" diva-button\",title:t});return n&&o.appendChild(n),i&&o.addEventListener(\"click\",i),o}createLabel(e,t,i,n,o){return s(\"div\",{id:this.settings.ID+t,class:e+\" diva-label\"},[i,s(\"span\",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton(\"zoom-out-button\",\"Zoom Out\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton(\"zoom-in-button\",\"Zoom In\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel(\"diva-zoom-label\",\"zoom-label\",\"Zoom level: \",\"zoom-level\",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+\"zoom-level\").textContent=this.settings.zoomLevel+1};return this._subscribe(\"ZoomLevelDidChange\",n),this._subscribe(\"ViewerDidLoad\",n),s(\"div\",{id:this.settings.ID+\"zoom-controls\",style:\"display: none\"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton(\"grid-out-button\",\"Fewer\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton(\"grid-in-button\",\"More\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel(\"diva-grid-label\",\"grid-label\",\"Pages per row: \",\"pages-per-row\",this.settings.pagesPerRow)];return this._subscribe(\"GridRowNumberDidChange\",function(){document.getElementById(this.settings.ID+\"pages-per-row\").textContent=this.settings.pagesPerRow}),s(\"div\",{id:this.settings.ID+\"grid-controls\",style:\"display:none\"},i)}createPageLabel(){const e=s(\"span\",{id:this.settings.ID+\"current-page\"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+\" - \"+s:e.textContent=n+\" - \"+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe(\"VisiblePageDidChange\",t),this._subscribe(\"ViewerDidLoad\",t),this._subscribe(\"ViewDidSwitch\",t),s(\"span\",{class:\"diva-page-label diva-label\"},e)}createGotoPageForm(){const e=s(\"input\",{id:this.settings.ID+\"goto-page-input\",class:\"diva-input diva-goto-page-input\",autocomplete:\"off\",type:\"text\"}),t=s(\"input\",{id:this.settings.ID+\"goto-page-submit\",class:\"diva-button diva-button-text\",type:\"submit\",value:\"Go\"}),i=s(\"div\",{id:this.settings.ID+\"input-suggestions\",class:\"diva-input-suggestions\"}),n=s(\"form\",{id:this.settings.ID+\"goto-page\",class:\"diva-goto-form\"},e,t,i);return n.addEventListener(\"submit\",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&\"function\"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert(\"No page could be found with that label or page number\")}else this.viewer.gotoPageByLabel(s)||window.alert(\"No page could be found with that label or page number\");return i.style.display=\"none\",!1}),[\"input\",\"focus\"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML=\"\";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s(\"div\",{class:\"diva-input-suggestion\"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display=\"block\")}else i.style.display=\"none\"})}),e.addEventListener(\"keydown\",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName(\"active\")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\");else{let e=document.getElementsByClassName(\"diva-input-suggestion\").length-1;document.getElementsByClassName(\"diva-input-suggestion\")[e].classList.add(\"active\")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\")):document.getElementsByClassName(\"diva-input-suggestion\")[0].classList.add(\"active\")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,\"mousedown\",\".diva-input-suggestion\",function(){e.value=this.textContent,i.style.display=\"none\";let t=new Event(\"submit\");n.dispatchEvent(t)}),e.addEventListener(\"blur\",()=>{i.style.display=\"none\"}),n}createViewMenu(){const e=s(\"div\",this._elemAttrs(\"view-options\")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton(\"view-icon\",\"Change view\",()=>{e.style.display=\"none\"===e.style.display?\"block\":\"none\"}),r=t=>{this.viewer.changeView(t),e.style.display=\"none\"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className=\"diva-grid-icon diva-view-icon diva-button\"):this.settings.inBookLayout?(o.appendChild(i),o.className=\"diva-book-icon diva-view-icon diva-button\"):(o.appendChild(n),o.className=\"diva-document-icon diva-view-icon diva-button\");const s=document.createDocumentFragment();for((this.settings.inGrid||this.settings.inBookLayout)&&s.appendChild(this.createButton(\"document-icon\",\"Document View\",r.bind(null,\"document\"),n)),!this.settings.inGrid&&this.settings.inBookLayout||s.appendChild(this.createButton(\"book-icon\",\"Book View\",r.bind(null,\"book\"),i)),this.settings.inGrid||s.appendChild(this.createButton(\"grid-icon\",\"Grid View\",r.bind(null,\"grid\"),t));e.firstChild;)e.removeChild(e.firstChild);e.appendChild(s)};return document.addEventListener(\"mouseup\",t=>{e!==t.target&&(e.style.display=\"none\")}),this._subscribe(\"ViewDidSwitch\",a),this._subscribe(\"ObjectDidLoad\",a),s(\"div\",this._elemAttrs(\"view-menu\"),o,e)}createFullscreenButton(){let e=this._createFullscreenIcon();return this.createButton(\"fullscreen-icon\",\"Toggle fullscreen mode\",()=>{this.viewer.toggleFullscreenMode()},e)}toggleZoomGridControls(){this.settings.inGrid?(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"none\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"block\"):(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"block\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"none\")}render(){this._subscribe(\"ViewDidSwitch\",this.toggleZoomGridControls),this._subscribe(\"ObjectDidLoad\",this.toggleZoomGridControls);let e=[this.createZoomButtons(),this.createGridControls()],t=[this.createPageLabel(),this.createViewMenu()];this.settings.enableFullscreen&&t.push(this.createFullscreenButton()),this.settings.enableGotoPage&&t.splice(1,0,this.createGotoPageForm());let i=this.viewer.viewerState.pluginInstances;for(let s=0,o=i.length;s<o;s++){let o=i[s];o.toolbarSide&&(o.toolbarIcon=o.createIcon(),o.toolbarIcon&&(\"right\"===o.toolbarSide?t.splice(2,0,o.toolbarIcon):\"left\"===o.toolbarSide&&e.splice(2,0,o.toolbarIcon),o.toolbarIcon.addEventListener(\"click\",n.bind(this,o))))}function n(e){e.handleClick(this.viewer)}const o=s(\"div\",this._elemAttrs(\"tools\"),s(\"div\",this._elemAttrs(\"tools-left\"),e),s(\"div\",this._elemAttrs(\"tools-right\"),t));this.settings.toolbarParentObject.insertBefore(o,this.settings.toolbarParentObject.firstChild)}_createToolbarIcon(e){let t=document.createElementNS(\"http://www.w3.org/2000/svg\",\"svg\");t.setAttributeNS(null,\"viewBox\",\"0 0 25 25\"),t.setAttributeNS(null,\"x\",\"0px\"),t.setAttributeNS(null,\"y\",\"0px\"),t.setAttributeNS(null,\"style\",\"enable-background:new 0 0 48 48;\");let i=document.createElementNS(\"http://www.w3.org/2000/svg\",\"g\");return i.setAttributeNS(null,\"transform\",\"matrix(1, 0, 0, 1, -12, -12)\"),e.forEach(e=>{let t=document.createElementNS(\"http://www.w3.org/2000/svg\",\"path\");t.setAttributeNS(null,\"d\",e),i.appendChild(t)}),t.appendChild(i),t}_createZoomOutIcon(){return this._createToolbarIcon([\"M19.5,23c-0.275,0-0.5-0.225-0.5-0.5v-1c0-0.275,0.225-0.5,0.5-0.5h7c0.275,0,0.5,0.225,0.5,0.5v1c0,0.275-0.225,0.5-0.5,0.5H19.5z\",\"M37.219,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.422,33.722,37.422,34.054,37.219,34.257z M29.568,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.555,28.818,29.568,25.805,29.568,22.099z\"])}_createZoomInIcon(){return this._createToolbarIcon([\"M37.469,34.257l-2.213,2.212c-0.202,0.202-0.534,0.202-0.736,0l-6.098-6.099c-1.537,0.993-3.362,1.577-5.323,1.577c-5.431,0-9.849-4.418-9.849-9.849c0-5.431,4.418-9.849,9.849-9.849c5.431,0,9.849,4.418,9.849,9.849c0,1.961-0.584,3.786-1.576,5.323l6.098,6.098C37.672,33.722,37.672,34.054,37.469,34.257z M29.818,22.099c0-3.706-3.014-6.72-6.72-6.72c-3.706,0-6.72,3.014-6.72,6.72c0,3.706,3.014,6.72,6.72,6.72C26.805,28.818,29.818,25.805,29.818,22.099z M26.5,21H24v-2.5c0-0.275-0.225-0.5-0.5-0.5h-1c-0.275,0-0.5,0.225-0.5,0.5V21h-2.5c-0.275,0-0.5,0.225-0.5,0.5v1c0,0.275,0.225,0.5,0.5,0.5H22v2.5c0,0.275,0.225,0.5,0.5,0.5h1c0.275,0,0.5-0.225,0.5-0.5V23h2.5c0.275,0,0.5-0.225,0.5-0.5v-1C27,21.225,26.775,21,26.5,21z\"])}_createGridMoreIcon(){return 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null!=o?o:null}(e,this._viewerCore.getCurrentLayout(),this._viewerCore.getViewport());let s=this._viewerState.viewport.intersectionTolerance;this._viewerState.viewport.intersectionTolerance=0;let n=e.filter(e=>this._viewerState.renderer.isPageVisible(e));this._viewerState.viewport.intersectionTolerance=s,null!==i&&this._viewerCore.setCurrentPages(i,n),null!==t&&this._viewerCore.publish(\"ViewerDidJump\",t),this._handleZoomLevelChange()}_handleZoomLevelChange(){const e=this._viewerState,t=e.options.zoomLevel;e.oldZoomLevel!==t&&e.oldZoomLevel>=0&&(e.oldZoomLevel<t?this._viewerCore.publish(\"ViewerDidZoomIn\",t):this._viewerCore.publish(\"ViewerDidZoomOut\",t),this._viewerCore.publish(\"ViewerDidZoom\",t)),e.oldZoomLevel=t}destroy(){this._overlays.forEach(e=>{this._viewerCore.removePageOverlay(e)},this)}}class P{constructor(e){this._viewerCore=e}onDoubleClick(e,t){const i=this._viewerCore.getPagePositionAtViewportOffset(t),s=this._viewerCore.getCurrentLayout(),n=this._viewerCore.getViewport(),o=s.getPageToViewportCenterOffset(i.anchorPage,n);this._viewerCore.reload({inGrid:!1,goDirectlyTo:i.anchorPage,horizontalOffset:o.x+i.offset.left,verticalOffset:o.y+i.offset.top})}onPinch(){this._viewerCore.reload({inGrid:!1})}onViewWillLoad(){}onViewDidLoad(){}onViewDidUpdate(e,t){if(0===e.length)return;let i=this._viewerCore.viewerState.viewport.intersectionTolerance;this._viewerCore.viewerState.viewport.intersectionTolerance=0;let s=e.filter(e=>this._viewerCore.viewerState.renderer.isPageVisible(e));if(this._viewerCore.viewerState.viewport.intersectionTolerance=i,null!==t)return void this._viewerCore.setCurrentPages(t,s);const n=this._viewerCore.getCurrentLayout(),o=[];e.forEach(e=>{const t=n.getPageInfo(e).group;0!==o.length&&t===o[o.length-1]||o.push(t)});const r=this._viewerCore.getViewport();let a;a=1===o.length||o[0].region.top>=r.top?o[0]:o[1].region.bottom<=r.bottom?o[1]:function(e,t){const i=t.top+t.height/2;return b()(e,e=>{const t=e.region.top+e.dimensions.height/2;return-Math.abs(i-t)})}(o,r);const l=this._viewerCore.getSettings().activePageIndex;a.pages.some(e=>e.index===l)||this._viewerCore.setCurrentPages(a.pages[0].index,s)}destroy(){}}class S{constructor(){this._pages={},this._renderedPages=[],this._renderedPageMap={}}addOverlay(e){(this._pages[e.page]||(this._pages[e.page]=[])).push(e),this._renderedPageMap[e.page]&&e.mount()}removeOverlay(e){const t=e.page,i=this._pages[t];if(!i)return;const s=i.indexOf(e);-1!==s&&(this._renderedPageMap[t]&&i[s].unmount(),i.splice(s,1),0===i.length&&delete this._pages[t])}updateOverlays(e){const t=this._renderedPages,i={};e.map(e=>{i[e]=!0,this._renderedPageMap[e]||(this._renderedPageMap[e]=!0,this._invokeOnOverlays(e,e=>{e.mount()}))}),t.map(e=>{i[e]?this._invokeOnOverlays(e,e=>{e.refresh()}):(delete this._renderedPageMap[e],this._invokeOnOverlays(e,e=>{e.unmount()}))}),this._renderedPages=e}_invokeOnOverlays(e,t){const i=this._pages[e];i&&i.map(e=>t(e))}}class C{constructor(e,t){this._rows=e,this._cols=t,this._map=new Array(e).fill(null).map(()=>new Array(t).fill(!1))}isLoaded(e,t){return e>=this._rows||t>=this._cols||this._map[e][t]}set(e,t,i){this._map[e][t]=i}}class L{constructor(e){this._levels=e;const t=this._urlsToTiles={};e.forEach(e=>{e.tiles.forEach(i=>{t[i.url]={zoomLevel:e.zoomLevel,row:i.row,col:i.col}})}),this.clear()}clear(){const e=this._loadedByLevel={};this._levels.forEach(t=>{e[t.zoomLevel]=new C(t.rows,t.cols)})}getTiles(e){const t=[],i=this._levels[0].zoomLevel,s=new C(this._levels[0].rows,this._levels[0].cols);let n;if(null===e)n=0;else{const t=Math.ceil(e);n=function(e,t){const i=e.length;for(let s=0;s<i;s++)if(t(e[s],s))return s;return-1}(this._levels,e=>e.zoomLevel<=t)}this._levels.slice(0,n+1).reverse().concat(this._levels.slice(n+1)).forEach(e=>{const n=this._loadedByLevel[e.zoomLevel];let o=e.tiles.filter(e=>n.isLoaded(e.row,e.col));const r=Math.pow(2,i-e.zoomLevel);o=o.filter(e=>{let t=!1;const i=e.row*r,n=e.col*r;for(let e=0;e<r;e++)for(let o=0;o<r;o++)s.isLoaded(i+e,n+o)||(t=!0,s.set(i+e,n+o,!0));return t}),t.push(o)},this),t.reverse();const o=[];return t.forEach(e=>{o.push.apply(o,e)}),o}updateFromCache(e){this.clear(),this._levels.forEach(t=>{const i=this._loadedByLevel[t.zoomLevel];t.tiles.forEach(t=>{e.has(t.url)&&i.set(t.row,t.col,!0)})},this)}updateWithLoadedUrls(e){e.forEach(e=>{const t=this._urlsToTiles[e];this._loadedByLevel[t.zoomLevel].set(t.row,t.col,!0)},this)}}class O{constructor(e,t){const i=function(e,t){const i=null===t?e.pageLayouts:function(e,t){const i=Math.pow(2,t-e.maxZoomLevel);return e.pageLayouts.map(e=>({dimensions:E(e.dimensions,i),pages:e.pages.map(e=>({index:e.index,groupOffset:{top:Math.floor(e.groupOffset.top*i),left:Math.floor(e.groupOffset.left*i)},dimensions:E(e.dimensions,i)}))}))}(e,t),s=function(e,t){let i,s;const n=e.padding.document;e.verticallyOriented?(i=\"width\",s=n.left+n.right):(i=\"height\",s=n.top+n.bottom);return s+t.reduce((e,t)=>Math.max(t.dimensions[i],e),0)}(e,i);let n=e.verticallyOriented?e.padding.document.top:e.padding.document.left;const o=[],r={top:e.padding.page.top,left:e.padding.page.left};let a,l;i.forEach((t,i)=>{let a,l;e.verticallyOriented?(a=n,l=(s-t.dimensions.width)/2):(a=(s-t.dimensions.height)/2,l=n);const h={top:a,bottom:a+r.top+t.dimensions.height,left:l,right:l+r.left+t.dimensions.width};o.push({index:i,dimensions:t.dimensions,pages:t.pages,region:h,padding:r}),n=e.verticallyOriented?h.bottom:h.right}),e.verticallyOriented?(a=n+r.top,l=s):(a=s,l=n+r.left);return{dimensions:{height:a,width:l},pageGroups:o}}(e,t);this.dimensions=i.dimensions,this.pageGroups=i.pageGroups,this._pageLookup=function(e){const t={};return e.forEach(e=>{e.pages.forEach(i=>{t[i.index]={index:i.index,group:e,dimensions:i.dimensions,groupOffset:i.groupOffset}})}),t}(i.pageGroups)}getPageInfo(e){return this._pageLookup[e]||null}getPageDimensions(e){if(!this._pageLookup||!this._pageLookup[e])return null;const t=x(this._pageLookup[e]);return{height:t.bottom-t.top,width:t.right-t.left}}getPageOffset(e,t){const i=this.getPageRegion(e,t);return i?{top:i.top,left:i.left}:null}getPageRegion(e,t){const i=this._pageLookup[e];if(!i)return null;const s=x(i),n=i.group.padding;return t&&t.includePadding?{top:s.top+n.top,left:s.left+n.left,bottom:s.bottom,right:s.right}:{top:s.top,left:s.left,bottom:s.bottom+n.top,right:s.right}}getPageToViewportCenterOffset(e,t){const i=t.left,s=t.right-t.left,n=this.getPageOffset(e),o=i-n.left+parseInt(s/2,10),r=t.top,a=t.bottom-t.top;return{x:o,y:r-n.top+parseInt(a/2,10)}}}function x(e){const t=e.groupOffset.top+e.group.region.top,i=t+e.dimensions.height,s=e.groupOffset.left+e.group.region.left;return{top:t,bottom:i,left:s,right:s+e.dimensions.width}}function E(e,t){return{height:Math.floor(e.height*t),width:Math.floor(e.width*t)}}const I=i(1)(\"diva:ImageCache\"),T=100;class D{constructor(e){e=e||{maxKeys:T},this.maxKeys=e.maxKeys||T,this._held={},this._urls={},this._lru=[]}get(e){const t=this._urls[e];return t?t.img:null}has(e){return!!this._urls[e]}put(e,t){let i=this._urls[e];i?(i.img=t,this._promote(i)):(i={img:t,url:e},this._urls[e]=i,this._tryEvict(1),this._lru.unshift(i))}_promote(e){const t=this._lru.indexOf(e);this._lru.splice(t,1),this._lru.unshift(e)}_tryEvict(e){const t=this.maxKeys-e;if(this._lru.length<=t)return;let i=this._lru.length-1;for(;;){const e=this._lru[i];if(!this._held[e.url]&&(I(\"Evicting image %s\",e.url),this._lru.splice(i,1),delete this._urls[e.url],this._lru.length<=t))break;if(0===i){I.enabled&&I(\"Cache overfull by %s (all entries are being held)\",this._lru.length-t);break}i--}}acquire(e){this._held[e]=(this._held[e]||0)+1,this._promote(this._urls[e])}release(e){this._held[e]>1?this._held[e]--:delete this._held[e],this._tryEvict(0)}}class M{constructor(e){this._url=e.url,this._callback=e.load,this._errorCallback=e.error,this.timeoutTime=e.timeoutTime||0,this._aborted=this._complete=!1,this.timeout=setTimeout(()=>{this._image=new Image,this._image.onload=this._handleLoad.bind(this),this._image.onerror=this._handleError.bind(this),this._image.src=e.url},this.timeoutTime)}abort(){clearTimeout(this.timeout),this._image&&(this._image.onload=this._image.onerror=null,this._image.src=\"\"),this._aborted=!0}_handleLoad(){this._aborted?console.error(\"ImageRequestHandler invoked on cancelled request for \"+this._url):this._complete?console.error(\"ImageRequestHandler invoked on completed request for \"+this._url):(this._complete=!0,this._callback(this._image))}_handleError(){this._errorCallback(this._image)}}var z={animate:function(e){const t=e.duration,i=e.parameters,s=e.onUpdate,n=e.onEnd,o=V(),r=o+t,a={},l={},h=Object.keys(i);h.forEach(e=>{const t=i[e];a[e]=function(e,t,i){return s=>e+(t-e)*i(s)}(t.from,t.to,t.easing||k)});let c=requestAnimationFrame(function e(){const i=V();const n=Math.min((i-o)/t,1);!function(e){h.forEach(t=>{l[t]=a[t](e)})}(n);s(l);i<r?c=requestAnimationFrame(e):u({interrupted:!1})});return{cancel(){null!==c&&(cancelAnimationFrame(c),u({interrupted:!0}))}};function u(e){c=null,n&&n(e)}},easing:{linear:function(e){return e},cubic:k}};let V;function k(e){return e<.5?4*e*e*e:(e-1)*(2*e-2)*(2*e-2)+1}V=\"undefined\"!=typeof performance&&performance.now?()=>performance.now():()=>Date.now();const F=250;class j{constructor(e,t){this._viewport=e.viewport,this._outerElement=e.outerElement,this._documentElement=e.innerElement,this._settings=e.settings,this._hooks=t||{},this._canvas=s(\"canvas\",{class:\"diva-viewer-canvas\"}),this._ctx=this._canvas.getContext(\"2d\"),this.layout=null,this._sourceResolver=null,this._renderedPages=null,this._config=null,this._zoomLevel=null,this._compositeImages=null,this._renderedTiles=null,this._animation=null,this._cache=new D,this._pendingRequests={}}static getCompatibilityErrors(){return\"undefined\"!=typeof HTMLCanvasElement?null:[\"Your browser lacks support for the \",s(\"pre\",\"canvas\"),\" element. Please upgrade your browser.\"]}load(e,t,i){if(this._clearAnimation(),this._hooks.onViewWillLoad&&this._hooks.onViewWillLoad(),this._sourceResolver=i,this._config=e,this._compositeImages={},this._setLayoutToZoomLevel(t.zoomLevel),!this.layout.getPageInfo(t.anchorPage))throw new Error(\"invalid page: \"+t.anchorPage);this._canvas.width===this._viewport.width&&this._canvas.height===this._viewport.height||(this._canvas.width=this._viewport.width,this._canvas.height=this._viewport.height),this.goto(t.anchorPage,t.verticalOffset,t.horizontalOffset),this._canvas.parentNode!==this._outerElement&&this._outerElement.insertBefore(this._canvas,this._outerElement.firstChild),this._hooks.onViewDidLoad&&this._hooks.onViewDidLoad()}_setViewportPosition(e){if(e.zoomLevel!==this._zoomLevel){if(null===this._zoomLevel)throw new TypeError(\"The current view is not zoomable\");if(null===e.zoomLevel)throw new TypeError(\"The current view requires a zoom level\");this._setLayoutToZoomLevel(e.zoomLevel)}this._goto(e.anchorPage,e.verticalOffset,e.horizontalOffset)}_setLayoutToZoomLevel(e){this.layout=new O(this._config,e),this._zoomLevel=e,o(this._documentElement,{style:{height:this.layout.dimensions.height+\"px\",width:this.layout.dimensions.width+\"px\"}}),this._viewport.setInnerDimensions(this.layout.dimensions)}adjust(){this._clearAnimation(),this._render(),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}_render(){const e=[];this.layout.pageGroups.forEach(t=>{if(!this._viewport.intersectsRegion(t.region))return;const i=t.pages.filter(function(e){return this.isPageVisible(e.index)},this).map(e=>e.index);e.push.apply(e,i)},this),this._ctx.clearRect(0,0,this._canvas.width,this._canvas.height),this._paintOutline(e),e.forEach(e=>{if(!this._compositeImages[e]){const t=this.layout.getPageInfo(e),i=this._sourceResolver.getAllZoomLevelsForPage(t),s=new L(i);s.updateFromCache(this._cache),this._compositeImages[e]=s}},this),this._initiateTileRequests(e);const t=R(this._renderedPages||[],e);t.removed.forEach(e=>{delete this._compositeImages[e]},this),this._renderedPages=e,this._paint(),this._hooks.onPageWillLoad&&t.added.forEach(e=>{this._hooks.onPageWillLoad(e)},this)}_paint(){const e=[];this._renderedPages.forEach(t=>{this._compositeImages[t].getTiles(this._zoomLevel).forEach(i=>{const s=A(i,this._zoomLevel);this._isTileVisible(t,s)&&(e.push(i.url),this._drawTile(t,s,this._cache.get(i.url)))})});const t=this._cache,i=R(this._renderedTiles||[],e);i.added.forEach(e=>{t.acquire(e)}),i.removed.forEach(e=>{t.release(e)}),i.removed&&this._renderedPages.forEach(e=>{this._compositeImages[e].updateFromCache(this._cache)},this),this._renderedTiles=e}_paintOutline(e){e.forEach(e=>{let t=this.layout.getPageInfo(e),i=this._getImageOffset(e),s=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),n=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),o=i.left-this._viewport.left+s,r=i.top-this._viewport.top+n,a=o<0?-o:0,l=r<0?-r:0,h=Math.max(0,o),c=Math.max(0,r),u=t.dimensions.width-a,d=t.dimensions.height-l;this._ctx.strokeStyle=\"#AAA\",this._ctx.strokeRect(h+.5,c+.5,u,d)})}_initiateTileRequests(e){const t={},i=(e,i)=>{const s=this._compositeImages[i];t[e.url]=new M({url:e.url,timeoutTime:F,load:t=>{delete this._pendingRequests[e.url],this._cache.put(e.url,t),s===this._compositeImages[i]?(s.updateWithLoadedUrls([e.url]),this._isTileForSourceVisible(i,e)&&this._paint()):this._isTileForSourceVisible(i,e)&&this._paint()},error:()=>{delete this._pendingRequests[e.url]}})};for(let s=0;s<e.length;s++){const n=e[s],o=this._sourceResolver.getBestZoomLevelForPage(this.layout.getPageInfo(n)).tiles;for(let e=0;e<o.length;e++){const s=o[e];!this._cache.has(s.url)&&this._isTileForSourceVisible(n,s)&&(this._pendingRequests[s.url]?(t[s.url]=this._pendingRequests[s.url],delete this._pendingRequests[s.url]):i(s,n))}}for(const e in this._pendingRequests)this._pendingRequests[e].abort();this._pendingRequests=t}_drawTile(e,t,i){let s=this._getTileToDocumentOffset(e,t),n=Math.max(0,(this._viewport.width-this.layout.dimensions.width)/2),o=Math.max(0,(this._viewport.height-this.layout.dimensions.height)/2),r=s.left-this._viewport.left+n,a=s.top-this._viewport.top+o,l=r<0?-r:0,h=a<0?-a:0,c=Math.max(0,r),u=Math.max(0,a),d=l/t.scaleRatio,g=h/t.scaleRatio,v=Math.min(t.dimensions.width,i.width*t.scaleRatio)-l,p=Math.min(t.dimensions.height,i.height*t.scaleRatio)-h,f=Math.max(1,Math.round(v)),m=Math.max(1,Math.round(p)),w=f/t.scaleRatio,b=m/t.scaleRatio;this._ctx.drawImage(i,d,g,w,b,c,u,f,m)}_isTileForSourceVisible(e,t){return this._isTileVisible(e,A(t,this._zoomLevel))}_isTileVisible(e,t){const i=this._getTileToDocumentOffset(e,t);return this._viewport.intersectsRegion({top:i.top,bottom:i.top+t.dimensions.height,left:i.left,right:i.left+t.dimensions.width})}_getTileToDocumentOffset(e,t){const i=this._getImageOffset(e);return{top:i.top+t.offset.top,left:i.left+t.offset.left}}_getImageOffset(e){return this.layout.getPageOffset(e,{includePadding:!0})}goto(e,t,i){this._clearAnimation(),this._goto(e,t,i),this._hooks.onViewDidUpdate&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),e)}_goto(e,t,i){const s=this.layout.getPageOffset(e),n=s.top+t-Math.round(this._viewport.height/2),o=s.left+i-Math.round(this._viewport.width/2);this._viewport.top=n,this._viewport.left=o,this._render()}transitionViewportPosition(e){this._clearAnimation();const t=e.getPosition,i=this._hooks.onViewDidTransition;this._animation=z.animate({duration:e.duration,parameters:e.parameters,onUpdate:e=>{this._setViewportPosition(t(e)),this._hooks.onZoomLevelWillChange(e.zoomLevel),i&&i()},onEnd:t=>{e.onEnd&&e.onEnd(t),this._hooks.onViewDidUpdate&&!t.interrupted&&this._hooks.onViewDidUpdate(this._renderedPages.slice(),null)}})}_clearAnimation(){this._animation&&(this._animation.cancel(),this._animation=null)}isPageVisible(e){if(!this.layout)return!1;return!!this.layout.getPageInfo(e)&&this._viewport.intersectsRegion(this.layout.getPageRegion(e))}getRenderedPages(){return this._renderedPages.slice()}destroy(){this._clearAnimation(),Object.keys(this._pendingRequests).forEach(e=>{const t=this._pendingRequests[e];delete this._pendingRequests[e],t.abort()},this),this._canvas.parentNode.removeChild(this._canvas)}}function A(e,t){let i;return i=null===t?1:Math.pow(2,t-e.zoomLevel),{sourceZoomLevel:e.zoomLevel,scaleRatio:i,row:e.row,col:e.col,dimensions:{width:e.dimensions.width*i,height:e.dimensions.height*i},offset:{left:e.offset.left*i,top:e.offset.top*i},url:e.url}}function R(e,t){if(e===t)return{added:[],removed:[]};const i=e.filter(e=>-1===t.indexOf(e));return{added:t.filter(t=>-1===e.indexOf(t)),removed:i}}function H(e,t){const i=t.getMaxPageDimensions(e);return{width:Math.floor(i.width),height:Math.floor(i.height)}}function B(e){return function(e){const t=e.manifest,i=[];let s=null,n=[];const o=()=>{for(let e=0,t=n.length;e<t;e++)i.push([n[e]]);n=[]};t.pages.forEach((r,a)=>{const l={index:a,dimensions:H(a,t),paged:!t.paged||r.paged};(e.showNonPagedPages||l.paged)&&(l.paged?0===a||r.facingPages?(i.push([l]),o()):null===s?s=l:(i.push([s,l]),s=null,o()):n.push(l))}),null!==s&&(i.push([s]),o());return i}(e).map(t=>(function(e,t){const i=e.verticallyOriented;if(2===t.length)return function(e,t,i){const s=e.dimensions,n=t.dimensions,o=Math.max(s.height,n.height);let r,a,l;if(i){const e=Math.max(s.width,n.width);r=2*e,a=e-s.width,l=e}else r=s.width+n.width,a=0,l=s.width;return{dimensions:{height:o,width:r},pages:[{index:e.index,dimensions:s,groupOffset:{top:0,left:a}},{index:t.index,dimensions:n,groupOffset:{top:0,left:l}}]}}(t[0],t[1],i);const s=t[0],n=s.dimensions;let o;o=s.paged?0===s.index&&i?n.width:0:i?n.width/2:0;const r=i&&!e.manifest.pages[s.index].facingPages;return{dimensions:{height:n.height,width:r?2*n.width:n.width},pages:[{index:s.index,groupOffset:{top:0,left:o},dimensions:n}]}})(e,t))}function Z(e){const t=e.viewport.width,i=e.manifest,s=e.pagesPerRow,n=e.fixedHeightGrid,o=e.fixedPadding,r=e.showNonPagedPages,a=(t-o*(s+1))/s,l=a,h=n?o+i.minRatio*a:o+i.maxRatio*a,c=[];let u=[];const d={height:h,width:t};return i.pages.forEach((e,t)=>{if(!r&&i.paged&&!e.paged)return;const a=(e=>{const t=e.d[e.d.length-1],i=t.h/t.w;let s,r;return n?(s=(h-o)/i,r=h-o):r=(s=l)*i,{width:Math.round(s),height:Math.round(r)}})(e);let g=Math.floor(u.length*(o+l)+o);n&&(g+=(l-a.width)/2),u.push({index:t,dimensions:a,groupOffset:{top:0,left:g}}),u.length===s&&(c.push({dimensions:d,pages:u}),u=[])}),u.length>0&&c.push({dimensions:d,pages:u}),c}function G(e){if(e.inGrid)return Z(N(e,[\"manifest\",\"viewport\",\"pagesPerRow\",\"fixedHeightGrid\",\"fixedPadding\",\"showNonPagedPages\"]));{const t=N(e,[\"manifest\",\"verticallyOriented\",\"showNonPagedPages\"]);return e.inBookLayout?B(t):function(e){const t=e.manifest,i=[];return t.pages.forEach((s,n)=>{if(!e.showNonPagedPages&&t.paged&&!s.paged)return;const o=H(n,t);i.push({dimensions:o,pages:[{index:n,groupOffset:{top:0,left:0},dimensions:o}]})}),i}(t)}}function N(e,t){const i={};return t.forEach(function(t){i[t]=e[t]}),i}function U(e){const t={};return e.forEach(e=>{!function(e,t){Object.keys(t).forEach(i=>{Object.defineProperty(e,i,{get:()=>t[i],set:()=>{throw new TypeError(\"Cannot set settings.\"+i)}})})}(t,e)}),t}class W{constructor(e){this.whitelistedKeys=e.whitelistedKeys||[],this.additionalProperties=e.additionalProperties||[],this.validations=e.validations}isValid(e,t,i){let s=null;if(this.validations.some((t,i)=>t.key===e&&(s=i,!0)),null===s)return!0;const n={};n[e]=t;const o=Y(i,n,this);return!this._runValidation(s,t,o)}validate(e){this._validateOptions({},e)}getValidatedOptions(e,t){const i=Object.assign({},t);return this._validateOptions(e,i),i}_validateOptions(e,t){const i=Y(e,t,this);this._applyValidations(t,i)}_applyValidations(e,t){this.validations.forEach((i,s)=>{if(!e.hasOwnProperty(i.key))return;const n=e[i.key],o=this._runValidation(s,n,t);o&&(o.warningSuppressed||function(e,t,i){console.warn(\"Invalid value for \"+e+\": \"+t+\". Using \"+i+\" instead.\")}(i.key,n,o.value),e[i.key]=o.value)},this)}_runValidation(e,t,i){const s=this.validations[e];i.index=e;let n=!1;const o={suppressWarning:()=>{n=!0}},r=s.validate(t,i.proxy,o);return void 0===r||r===t?null:{value:r,warningSuppressed:n}}}function Y(e,t,i){const s={proxy:{},index:null},n=function(e,t,i){if(i in t)return t[i];return e[i]}.bind(null,e,t),o={};return i.whitelistedKeys.forEach(e=>{o[e]={get:n.bind(null,e)}}),i.additionalProperties.forEach(e=>{o[e.key]={get:e.get}}),i.validations.forEach((e,t)=>{o[e.key]={get:()=>{if(t<s.index)return n(e.key);const o=i.validations[s.index].key;throw new TypeError(\"Cannot access setting \"+e.key+\" while validating \"+o)}}}),Object.defineProperties(s.proxy,o),s}class q{constructor(e,t){t=t||{},this.intersectionTolerance=t.intersectionTolerance||0,this.outer=e,this._top=this._left=this._width=this._height=this._innerDimensions=null,this.invalidate()}intersectsRegion(e){return this.hasHorizontalOverlap(e)&&this.hasVerticalOverlap(e)}hasVerticalOverlap(e){const t=this.top-this.intersectionTolerance,i=this.bottom+this.intersectionTolerance;return $(e.top,t,i)||$(e.bottom,t,i)||e.top<=t&&e.bottom>=i}hasHorizontalOverlap(e){const t=this.left-this.intersectionTolerance,i=this.right+this.intersectionTolerance;return $(e.left,t,i)||$(e.right,t,i)||e.left<=t&&e.right>=i}invalidate(){this._width=this.outer.clientWidth,this._height=this.outer.clientHeight,this._top=this.outer.scrollTop,this._left=this.outer.scrollLeft}setInnerDimensions(e){this._innerDimensions=e,e&&(this._top=J(this._top,0,e.height-this._height),this._left=J(this._left,0,e.width-this._width))}}function X(e,t){const i=\"_\"+e,s=\"scroll\"+e.charAt(0).toUpperCase()+e.slice(1);return{get:function(){return this[i]},set:function(e){let n;if(this._innerDimensions){n=J(e,0,this._innerDimensions[t]-this[t])}else n=Q(e,0);this[i]=this.outer[s]=n}}}function K(e){return{get:function(){return this[\"_\"+e]}}}function $(e,t,i){return e>=t&&e<=i}function J(e,t,i){return Q(function(e,t){return Math.min(e,t)}(e,i),t)}function Q(e,t){return Math.max(e,t)}Object.defineProperties(q.prototype,{top:X(\"top\",\"height\"),left:X(\"left\",\"width\"),width:K(\"width\"),height:K(\"height\"),bottom:{get:function(){return this._top+this._height}},right:{get:function(){return this._left+this._width}}});const ee=i(1)(\"diva:ViewerCore\");function te(){return te.counter++}te.counter=1;const ie=[{key:\"goDirectlyTo\",validate:(e,t)=>{if(e<0||e>=t.manifest.pages.length)return 0}},{key:\"minPagesPerRow\",validate:e=>Math.max(2,e)},{key:\"maxPagesPerRow\",validate:(e,t)=>Math.max(e,t.minPagesPerRow)},{key:\"pagesPerRow\",validate:(e,t)=>{if(e<t.minPagesPerRow||e>t.maxPagesPerRow)return t.maxPagesPerRow}},{key:\"maxZoomLevel\",validate:(e,t,i)=>{if(i.suppressWarning(),e<0||e>t.manifest.maxZoom)return t.manifest.maxZoom}},{key:\"minZoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<0||e>t.maxZoomLevel?0:void 0},{key:\"zoomLevel\",validate:(e,t,i)=>e>t.manifest.maxZoom?(i.suppressWarning(),0):e<t.minZoomLevel||e>t.maxZoomLevel?t.minZoomLevel:void 0}];class se{constructor(e,t,i){this.parentObject=e,this.publicInstance=i,this.viewerState={currentPageIndices:[0],activePageIndex:0,horizontalOffset:0,horizontalPadding:0,ID:null,initialKeyScroll:!1,initialSpaceScroll:!1,innerElement:null,innerObject:{},isActiveDiva:!0,isScrollable:!0,isZooming:!1,loaded:!1,manifest:null,mobileWebkit:!1,numPages:0,oldZoomLevel:-1,options:t,outerElement:null,outerObject:{},pageOverlays:new S,pageTools:[],parentObject:this.parentObject,pendingManifestRequest:null,pluginInstances:[],renderer:null,resizeTimer:-1,scrollbarWidth:0,selector:\"\",throbberTimeoutID:-1,toolbar:null,verticalOffset:0,verticalPadding:0,viewHandler:null,viewport:null,viewportElement:null,viewportObject:null,zoomDuration:400},this.settings=U([t,this.viewerState]);const n=te();this.viewerState.ID=\"diva-\"+n+\"-\",this.viewerState.selector=this.settings.ID,Object.defineProperties(this.settings,{panelHeight:{get:()=>this.viewerState.viewport.height},panelWidth:{get:()=>this.viewerState.viewport.width}}),this.optionsValidator=new W({additionalProperties:[{key:\"manifest\",get:()=>this.viewerState.manifest}],validations:ie}),this.viewerState.scrollbarWidth=function(){let e=document.createElement(\"p\");e.style.width=\"100%\",e.style.height=\"200px\";let t=document.createElement(\"div\");t.style.position=\"absolute\",t.style.top=\"0px\",t.style.left=\"0px\",t.style.visibility=\"hidden\",t.style.width=\"200px\",t.style.height=\"150px\",t.style.overflow=\"hidden\",t.appendChild(e),document.body.appendChild(t);let i=e.offsetWidth;t.style.overflow=\"scroll\";let s=e.offsetWidth;return i===s&&(s=t.clientWidth),document.body.removeChild(t),i-s}(),this.viewerState.mobileWebkit=void 0!==window.orientation,null===t.hashParamSuffix&&(t.hashParamSuffix=1===n?\"\":n+\"\");const o=s(\"div\",this.elemAttrs(\"inner\",{class:\"diva-inner\"})),r=s(\"div\",this.elemAttrs(\"viewport\"),o),a=s(\"div\",this.elemAttrs(\"outer\"),r,s(\"div\",this.elemAttrs(\"throbber\"),[s(\"div\",{class:\"cube cube1\"}),s(\"div\",{class:\"cube cube2\"}),s(\"div\",{class:\"cube cube3\"}),s(\"div\",{class:\"cube cube4\"}),s(\"div\",{class:\"cube cube5\"}),s(\"div\",{class:\"cube cube6\"}),s(\"div\",{class:\"cube cube7\"}),s(\"div\",{class:\"cube cube8\"}),s(\"div\",{class:\"cube cube9\"})]));this.viewerState.innerElement=o,this.viewerState.viewportElement=r,this.viewerState.outerElement=a,this.viewerState.innerObject=o,this.viewerState.viewportObject=r,this.viewerState.outerObject=a,this.settings.parentObject.append(a),this.viewerState.viewport=new q(this.viewerState.viewportElement,{intersectionTolerance:this.settings.viewportMargin}),this.boundScrollFunction=this.scrollFunction.bind(this),this.boundEscapeListener=this.escapeListener.bind(this),this.initPlugins(),this.handleEvents(),this.showThrobber()}isValidOption(e,t){return this.optionsValidator.isValid(e,t,this.viewerState.options)}elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}getPageData(e,t){return this.settings.manifest.pages[e].d[this.settings.zoomLevel][t]}clearViewer(){this.viewerState.viewport.top=0,clearTimeout(this.viewerState.resizeTimer)}hasChangedOption(e,t){return t in e&&e[t]!==this.settings[t]}escapeListener(e){27===e.keyCode&&this.publicInstance.leaveFullscreenMode()}reloadViewer(e){const t=[];if(e=this.optionsValidator.getValidatedOptions(this.settings,e),this.hasChangedOption(e,\"zoomLevel\")&&(this.viewerState.oldZoomLevel=this.settings.zoomLevel,this.viewerState.options.zoomLevel=e.zoomLevel,t.push([\"ZoomLevelDidChange\",e.zoomLevel])),this.hasChangedOption(e,\"pagesPerRow\")&&(this.viewerState.options.pagesPerRow=e.pagesPerRow,t.push([\"GridRowNumberDidChange\",e.pagesPerRow])),this.hasChangedOption(e,\"verticallyOriented\")&&(this.viewerState.options.verticallyOriented=e.verticallyOriented),this.hasChangedOption(e,\"showNonPagedPages\")&&(this.viewerState.options.showNonPagedPages=e.showNonPagedPages),\"goDirectlyTo\"in e?(this.viewerState.options.goDirectlyTo=e.goDirectlyTo,\"verticalOffset\"in e&&(this.viewerState.verticalOffset=e.verticalOffset),\"horizontalOffset\"in e&&(this.viewerState.horizontalOffset=e.horizontalOffset)):this.viewerState.options.goDirectlyTo=this.settings.activePageIndex,(this.hasChangedOption(e,\"inGrid\")||this.hasChangedOption(e,\"inBookLayout\"))&&(\"inGrid\"in e&&(this.viewerState.options.inGrid=e.inGrid),\"inBookLayout\"in e&&(this.viewerState.options.inBookLayout=e.inBookLayout),t.push([\"ViewDidSwitch\",this.settings.inGrid])),this.hasChangedOption(e,\"inFullscreen\")&&(this.viewerState.options.inFullscreen=e.inFullscreen,this.prepareModeChange(e),t.push([\"ModeDidSwitch\",this.settings.inFullscreen])),this.clearViewer(),this.updateViewHandlerAndRendering(),this.viewerState.renderer){const e={pageLayouts:G(this.settings),padding:this.getPadding(),maxZoomLevel:this.settings.inGrid?null:this.viewerState.manifest.maxZoom,verticallyOriented:this.settings.verticallyOriented||this.settings.inGrid},t={zoomLevel:this.settings.inGrid?null:this.settings.zoomLevel,anchorPage:this.settings.goDirectlyTo,verticalOffset:this.viewerState.verticalOffset,horizontalOffset:this.viewerState.horizontalOffset},i=this.getCurrentSourceProvider();if(ee.enabled){const t=Object.keys(e).filter(function(e){return\"pageLayouts\"!==e&&\"padding\"!==e}).map(function(t){const i=e[t];return t+\": \"+JSON.stringify(i)}).join(\", \");ee(\"reload with %s\",t)}this.viewerState.renderer.load(e,t,i)}return t.forEach(e=>{this.publish.apply(this,e)}),!0}prepareModeChange(e){const t=e.inFullscreen?\"add\":\"remove\";this.viewerState.outerObject.classList[t](\"diva-fullscreen\"),document.body.classList[t](\"diva-hide-scrollbar\"),this.settings.parentObject.classList[t](\"diva-full-width\");const i=this.settings.panelHeight,s=this.settings.panelWidth;if(this.viewerState.viewport.invalidate(),!(this.viewerState.loaded||this.settings.inGrid||\"verticalOffset\"in e)){const e=this.settings.panelHeight,t=this.settings.panelWidth;this.viewerState.verticalOffset+=(i-e)/2,this.viewerState.horizontalOffset+=(s-t)/2}e.inFullscreen?document.addEventListener(\"keyup\",this.boundEscapeListener):document.removeEventListener(\"keyup\",this.boundEscapeListener)}updateViewHandlerAndRendering(){const e=this.settings.inGrid?P:_;!this.viewerState.viewHandler||this.viewerState.viewHandler instanceof e||(this.viewerState.viewHandler.destroy(),this.viewerState.viewHandler=null),this.viewerState.viewHandler||(this.viewerState.viewHandler=new e(this)),this.viewerState.renderer||this.initializeRenderer()}initializeRenderer(){const e=j.getCompatibilityErrors();if(e)this.showError(e);else{const e={viewport:this.viewerState.viewport,outerElement:this.viewerState.outerElement,innerElement:this.viewerState.innerElement,settings:this.settings},t={onViewWillLoad:()=>{this.viewerState.viewHandler.onViewWillLoad()},onViewDidLoad:()=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidLoad()},onViewDidUpdate:(e,t)=>{this.updatePageOverlays(),this.viewerState.viewHandler.onViewDidUpdate(e,t)},onViewDidTransition:()=>{this.updatePageOverlays()},onPageWillLoad:e=>{this.publish(\"PageWillLoad\",e)},onZoomLevelWillChange:e=>{this.publish(\"ZoomLevelWillChange\",e)}};this.viewerState.renderer=new j(e,t)}}getCurrentSourceProvider(){if(this.settings.inGrid){const e={getAllZoomLevelsForPage:t=>[e.getBestZoomLevelForPage(t)],getBestZoomLevelForPage:e=>{return{zoomLevel:1,rows:1,cols:1,tiles:[{url:this.settings.manifest.getPageImageURL(e.index,{width:e.dimensions.width}),zoomLevel:1,row:0,col:0,dimensions:e.dimensions,offset:{top:0,left:0}}]}}};return e}const e={width:this.settings.tileWidth,height:this.settings.tileHeight};return{getBestZoomLevelForPage:t=>this.settings.manifest.getPageImageTiles(t.index,Math.ceil(this.settings.zoomLevel),e),getAllZoomLevelsForPage:t=>{const i=[],s=this.viewerState.manifest.maxZoom;for(let n=0;n<=s;n++)i.push(this.settings.manifest.getPageImageTiles(t.index,n,e));return i.reverse(),i}}}getPadding(){let e,t,i,s;return this.settings.inGrid?(i=this.settings.fixedPadding,e=t=s=0):(e=this.settings.verticallyOriented?this.viewerState.verticalPadding:0,t=this.settings.verticallyOriented?0:this.viewerState.horizontalPadding,i=this.settings.verticallyOriented?0:this.viewerState.verticalPadding,s=this.settings.verticallyOriented?this.viewerState.horizontalPadding:0),{document:{top:i,bottom:i,left:s,right:s},page:{top:e,bottom:0,left:t,right:0}}}updatePageOverlays(){this.viewerState.pageOverlays.updateOverlays(this.viewerState.renderer.getRenderedPages())}handleZoom(e,t){if(!this.isValidOption(\"zoomLevel\",e))return!1;if(this.viewerState.viewportObject.removeEventListener(\"scroll\",this.boundScrollFunction),!t){const e=this.viewerState.viewport,i=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);t={anchorPage:this.settings.activePageIndex,offset:{left:e.width/2-(i.left-e.left),top:e.height/2-(i.top-e.top)}}}const i=this.viewerState.renderer.layout.getPageRegion(t.anchorPage),s=i.left+t.offset.left-(this.settings.viewport.left+this.settings.viewport.width/2),n=i.top+t.offset.top-(this.settings.viewport.top+this.settings.viewport.height/2),o=(e,i)=>{const o=Math.pow(2,e-i),r=t.offset.left*o-s,a=t.offset.top*o-n;return{zoomLevel:e,anchorPage:t.anchorPage,verticalOffset:a,horizontalOffset:r}};this.viewerState.options.zoomLevel=e;let r=this.viewerState.oldZoomLevel;this.viewerState.oldZoomLevel=this.settings.zoomLevel;const a=o(e,r);this.viewerState.options.goDirectlyTo=a.anchorPage,this.viewerState.verticalOffset=a.verticalOffset,this.viewerState.horizontalOffset=a.horizontalOffset,this.viewerState.renderer.transitionViewportPosition({duration:this.settings.zoomDuration,parameters:{zoomLevel:{from:r,to:e}},getPosition:e=>o(e.zoomLevel,r),onEnd:t=>{this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction),t.interrupted&&(this.viewerState.oldZoomLevel=e)}});let l=document.getElementById(this.settings.selector+\"zoom-in-button\"),h=document.getElementById(this.settings.selector+\"zoom-out-button\");return l.disabled=!0,h.disabled=!0,setTimeout(()=>{l.disabled=!1,h.disabled=!1},this.settings.zoomDuration),this.publish(\"ZoomLevelDidChange\",e),!0}getYOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"center\"===t||\"centre\"===t?parseInt(this.getPageData(i,\"h\")/2,10):\"bottom\"===t?parseInt(this.getPageData(i,\"h\")-this.settings.panelHeight/2,10):parseInt(this.settings.panelHeight/2,10)}getXOffset(e,t){let i=void 0===e?this.settings.activePageIndex:e;return\"left\"===t?parseInt(this.settings.panelWidth/2,10):\"right\"===t?parseInt(this.getPageData(i,\"w\")-this.settings.panelWidth/2,10):parseInt(this.getPageData(i,\"w\")/2,10)}updatePanelSize(){return this.viewerState.viewport.invalidate(),this.viewerState.renderer&&(this.updateOffsets(),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),!0}updateOffsets(){const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e&&(this.viewerState.horizontalOffset=e.x,this.viewerState.verticalOffset=e.y)}bindMouseEvents(){this.viewerState.viewportObject.classList.add(\"dragscroll\"),u.onDoubleClick(this.viewerState.viewportObject,(e,t)=>{ee(\"Double click at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}onResize(){this.updatePanelSize(),clearTimeout(this.viewerState.resizeTimer),this.viewerState.resizeTimer=setTimeout(()=>{const e=this.viewerState.renderer.layout.getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);e?this.reloadViewer({goDirectlyTo:this.settings.activePageIndex,verticalOffset:e.y,horizontalOffset:e.x}):this.reloadViewer({goDirectlyTo:this.settings.activePageIndex})},200)}bindTouchEvents(){this.settings.blockMobileMove&&document.body.addEventListener(\"touchmove\",e=>{return e.originalEvent.preventDefault(),!1}),u.onPinch(this.viewerState.viewportObject,function(e,t,i,s){ee(\"Pinch %s at %s, %s\",s-i,t.left,t.top),this.viewerState.viewHandler.onPinch(e,t,i,s)}),u.onDoubleTap(this.viewerState.viewportObject,function(e,t){ee(\"Double tap at %s, %s\",t.left,t.top),this.viewerState.viewHandler.onDoubleClick(e,t)})}scrollFunction(){const e=this.viewerState.viewport.top,t=this.viewerState.viewport.left;let i;this.viewerState.viewport.invalidate();const s=this.viewerState.viewport.top,n=this.viewerState.viewport.left;i=this.settings.verticallyOriented||this.settings.inGrid?s-e:n-t,this.viewerState.renderer.adjust();const o=this.settings.verticallyOriented||this.settings.inGrid?s:n;this.publish(\"ViewerDidScroll\",o),i>0?this.publish(\"ViewerDidScrollDown\",o):i<0&&this.publish(\"ViewerDidScrollUp\",o),this.updateOffsets()}handleEvents(){this.viewerState.innerObject.addEventListener(\"mousedown\",()=>{this.viewerState.innerObject.classList.add(\"diva-grabbing\")}),this.viewerState.innerObject.addEventListener(\"mouseup\",()=>{this.viewerState.innerObject.classList.remove(\"diva-grabbing\")}),this.bindMouseEvents(),this.viewerState.viewportObject.addEventListener(\"scroll\",this.boundScrollFunction);document.addEventListener(\"keydown.diva\",e=>{if(!this.viewerState.isActiveDiva)return!0;if(this.settings.enableSpaceScroll&&!e.shiftKey&&32===e.keyCode||this.settings.enableKeyScroll&&34===e.keyCode)return this.viewerState.viewport.top+=this.settings.panelHeight,!1;if(this.settings.enableSpaceScroll||32!==e.keyCode||e.preventDefault(),this.settings.enableKeyScroll){if(e.shiftKey||e.ctrlKey||e.metaKey)return!0;switch(e.keyCode){case 33:return this.viewerState.viewport.top-=this.settings.panelHeight,!1;case 38:return this.viewerState.viewport.top-=this.settings.arrowScrollAmount,!1;case 40:return this.viewerState.viewport.top+=this.settings.arrowScrollAmount,!1;case 37:return this.viewerState.viewport.left-=this.settings.arrowScrollAmount,!1;case 39:return this.viewerState.viewport.left+=this.settings.arrowScrollAmount,!1;case 36:return this.viewerState.viewport.top=0,!1;case 35:return this.settings.verticallyOriented?this.viewerState.viewport.top=1/0:this.viewerState.viewport.left=1/0,!1;default:return!0}}return!0}),c.Events.subscribe(\"ViewerDidTerminate\",function(){document.removeEventListener(\"keydown.diva\")},this.settings.ID),window.addEventListener(\"resize\",this.onResize.bind(this),!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"resize\",this.onResize,!1)},this.settings.ID),\"onorientationchange\"in window&&(window.addEventListener(\"orientationchange\",this.onResize,!1),c.Events.subscribe(\"ViewerDidTerminate\",function(){window.removeEventListener(\"orientationchange\",this.onResize,!1)},this.settings.ID)),c.Events.subscribe(\"PanelSizeDidChange\",this.updatePanelSize,this.settings.ID),c.Events.subscribe(\"ViewerDidTerminate\",()=>{this.viewerState.renderer&&this.viewerState.renderer.destroy(),clearTimeout(this.viewerState.resizeTimer)},this.settings.ID)}initPlugins(){if(!this.settings.hasOwnProperty(\"plugins\"))return null;this.viewerState.pluginInstances=this.settings.plugins.map(e=>{const t=new e(this);return t.isPageTool&&this.viewerState.pageTools.push(t),t})}showThrobber(){this.hideThrobber(),this.viewerState.throbberTimeoutID=setTimeout(()=>{let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"block\")},this.settings.throbberTimeout)}hideThrobber(){clearTimeout(this.viewerState.throbberTimeoutID);let e=document.getElementById(this.settings.selector+\"throbber\");e&&(e.style.display=\"none\")}showError(e){const t=s(\"div\",this.elemAttrs(\"error\"),[s(\"button\",this.elemAttrs(\"error-close\",{\"aria-label\":\"Close dialog\"})),s(\"p\",s(\"strong\",\"Error\")),s(\"div\",e)]);this.viewerState.outerObject.appendChild(t),document.querySelector(\"#\"+this.settings.selector+\"error-close\").addEventListener(\"click\",()=>{t.parentNode.removeChild(t)})}setManifest(e,t){if(this.viewerState.manifest=e,this.hideThrobber(),this.viewerState.numPages=this.settings.manifest.pages.length,this.optionsValidator.validate(this.viewerState.options),this.publish(\"NumberOfPagesDidChange\",this.settings.numPages),this.settings.adaptivePadding>0){const e=Math.floor((this.settings.minZoomLevel+this.settings.maxZoomLevel)/2);this.viewerState.horizontalPadding=parseInt(this.settings.manifest.getAverageWidth(e)*this.settings.adaptivePadding,10),this.viewerState.verticalPadding=parseInt(this.settings.manifest.getAverageHeight(e)*this.settings.adaptivePadding,10)}else this.viewerState.horizontalPadding=this.settings.fixedPadding,this.viewerState.verticalPadding=this.settings.fixedPadding;let i,n;this.viewerState.pageTools.length&&(this.viewerState.verticalPadding=Math.max(40,this.viewerState.verticalPadding)),this.settings.manifest.paged&&(this.viewerState.options.inBookLayout=!0),this.publish(\"ObjectDidLoad\",this.settings),this.updatePanelSize();let o=!1,r=!1;if(null==t.goDirectlyTo?(t.goDirectlyTo=this.settings.goDirectlyTo,i=n=!0):(i=null==t.horizontalOffset||isNaN(t.horizontalOffset),n=null==t.verticalOffset||isNaN(t.verticalOffset)),i&&(0===t.goDirectlyTo&&this.settings.inBookLayout&&this.settings.verticallyOriented?t.horizontalOffset=this.viewerState.horizontalPadding:(r=!0,t.horizontalOffset=this.getXOffset(t.goDirectlyTo,\"center\"))),n&&(o=!0,t.verticalOffset=this.getYOffset(t.goDirectlyTo,\"top\")),this.reloadViewer(t),this.updatePanelSize(),this.settings.enableAutoTitle){let e=document.getElementById(this.settings.selector+\"title\");e?e.innerHTML=this.settings.manifest.itemTitle:this.settings.parentObject.insertBefore(s(\"div\",this.elemAttrs(\"title\"),[this.settings.manifest.itemTitle]),this.settings.parentObject.firstChild)}this.settings.verticallyOriented?this.viewerState.innerElement.style.minWidth=this.settings.panelWidth+\"px\":this.viewerState.innerElement.style.minHeight=this.settings.panelHeight+\"px\",(o||r)&&(o&&(this.viewerState.verticalOffset=this.getYOffset(this.settings.activePageIndex,\"top\")),r&&(this.viewerState.horizontalOffset=this.getXOffset(this.settings.activePageIndex,\"center\")),this.viewerState.renderer.goto(this.settings.activePageIndex,this.viewerState.verticalOffset,this.viewerState.horizontalOffset)),this.viewerState.loaded=!0,this.publish(\"ViewerDidLoad\",this.settings)}publish(e){const t=Array.prototype.slice.call(arguments,1);c.Events.publish(e,t,this.publicInstance)}getSettings(){return this.settings}getInternalState(){return this.viewerState}getPublicInstance(){return this.publicInstance}getPageTools(){return this.viewerState.pageTools}getCurrentLayout(){return this.viewerState.renderer?this.viewerState.renderer.layout:null}getViewport(){const e=this.viewerState.viewport;return{top:e.top,left:e.left,bottom:e.bottom,right:e.right,width:e.width,height:e.height}}addPageOverlay(e){this.viewerState.pageOverlays.addOverlay(e)}removePageOverlay(e){this.viewerState.pageOverlays.removeOverlay(e)}getPageRegion(e,t){const i=this.viewerState.renderer.layout,s=i.getPageRegion(e,t);if(t&&t.incorporateViewport){const e=this.settings.verticallyOriented?\"width\":\"height\";if(this.viewerState.viewport[e]>i.dimensions[e]){const t=(this.viewerState.viewport[e]-i.dimensions[e])/2;return this.settings.verticallyOriented?{top:s.top,bottom:s.bottom,left:s.left+t,right:s.right+t}:{top:s.top+t,bottom:s.bottom+t,left:s.left,right:s.right}}}return s}getPagePositionAtViewportOffset(e){const t=e.left+this.viewerState.viewport.left,i=e.top+this.viewerState.viewport.top,s=this.viewerState.renderer.getRenderedPages(),n=s.length;for(let e=0;e<n;e++){const n=s[e],o=this.viewerState.renderer.layout.getPageRegion(n);if(o.left<=t&&o.right>=t&&o.top<=i&&o.bottom>=i)return{anchorPage:n,offset:{left:t-o.left,top:i-o.top}}}const o=this.viewerState.renderer.layout.getPageRegion(this.settings.activePageIndex);return{anchorPage:this.settings.activePageIndex,offset:{left:t-o.left,top:i-o.top}}}setCurrentPages(e,t){(function(e,t){if(e.length!==t.length)return!1;for(let i=0,s=e.length;i<s;i++)if(e[i]!==t[i])return!1;return!0})(this.viewerState.currentPageIndices,t)||(this.viewerState.currentPageIndices=t,this.viewerState.activePageIndex=e,this.publish(\"VisiblePageDidChange\",t),this.viewerState.manifest.pages[e].otherImages.length>0&&this.publish(\"VisiblePageHasAlternateViews\",e))}getPageName(e){return this.viewerState.manifest.pages[e].f}reload(e){this.reloadViewer(e)}zoom(e,t){return this.handleZoom(e,t)}enableScrollable(){this.viewerState.isScrollable||(this.bindMouseEvents(),this.enableDragScrollable(),this.viewerState.options.enableKeyScroll=this.viewerState.initialKeyScroll,this.viewerState.options.enableSpaceScroll=this.viewerState.initialSpaceScroll,this.viewerState.viewportElement.style.overflow=\"auto\",this.viewerState.isScrollable=!0)}enableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")&&this.viewerState.viewportObject.removeAttribute(\"nochilddrag\")}disableScrollable(){this.viewerState.isScrollable&&(this.disableDragScrollable(),this.viewerState.outerObject.dblclick=null,this.viewerState.outerObject.contextmenu=null,this.viewerState.viewportElement.style.overflow=\"hidden\",this.viewerState.initialKeyScroll=this.settings.enableKeyScroll,this.viewerState.initialSpaceScroll=this.settings.enableSpaceScroll,this.viewerState.options.enableKeyScroll=!1,this.viewerState.options.enableSpaceScroll=!1,this.viewerState.isScrollable=!1)}disableDragScrollable(){this.viewerState.viewportObject.hasAttribute(\"nochilddrag\")||this.viewerState.viewportObject.setAttribute(\"nochilddrag\",\"\")}clear(){this.clearViewer()}setPendingManifestRequest(e){this.viewerState.pendingManifestRequest=e}destroy(){this.publish(\"ViewerWillTerminate\",this.settings),this.settings.pendingManifestRequest&&this.settings.pendingManifestRequest.abort(),document.body.removeClass(\"diva-hide-scrollbar\"),this.settings.parentObject.parent().empty().removeData(\"diva\"),this.settings.parentObject.parent().removeAttr(\"style\").removeAttr(\"class\"),this.publish(\"ViewerDidTerminate\",this.settings),c.Events.unsubscribeAll(this.settings.ID)}}const ne=(e,t)=>{const i=Math.max(e,t);return i<128?0:Math.ceil(Math.log((i+1)/257)/Math.log(2))},oe=(e,t)=>e/Math.pow(2,t),re=(e,t)=>e.map(e=>{const i=e.width,s=e.height,n=he(e),o=\"/\"!==n.url.slice(-1)?n.url+\"/\":n.url,r=new Array(t+1);for(let e=0;e<t+1;e++)r[e]={h:Math.floor(oe(s,t-e)),w:Math.floor(oe(i,t-e))};return{f:n.url,url:o,il:e.label||\"\",d:r}}),ae=e=>\"http://iiif.io/api/presentation/2/context.json\"===e?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/2/context.json\")?2:Array.isArray(e)&&e.includes(\"http://iiif.io/api/presentation/3/context.json\")?3:2;function le(e){let t=e[\"@context\"];if(!t)return console.error(\"Invalid IIIF Manifest; No @context found.\"),null;const i=ae(t),s=e.sequences?e.sequences[0]:null,n=s?s.canvases:e.items,o=n.length,r=new Array(n.length);let a,l,h,c,u,d,g,v,p,f,m,w,b,y,_,P,S,C=[],L=100,O=0,x=100;for(let e=0;e<o;e++){const t=n[e],i=t.width,s=t.height,o=ne(i,s),r=s/i;O=Math.max(r,O),x=Math.min(r,x),L=Math.min(L,o)}const E=new Array(L+1).fill(0),I=new Array(L+1).fill(0),T=new Array(L+1).fill(0),D=new Array(L+1).fill(0);for(let e=0;e<o;e++){if(w=(a=n[e])[\"@id\"]||a.id,b=a.label,C=[],\"oa:Choice\"===(l=a.images?a.images[0].resource:a.items[0].items[0].body)[\"@type\"]||\"Choice\"===l.type?(h=l.default||l.items[0],c=l.item||l.items.slice(1),C=re(c,L)):h=l,p=a.width||h.width,f=a.height||h.height,p<=0||f<=0){console.warn(\"Invalid width or height for canvas \"+b+\". Skipping\");continue}m=ne(p,f),y=h.label||null,d=\"/\"!==(g=he(h)).url.slice(-1)?g.url+\"/\":g.url,v=\"http://iiif.io/api/image/2/context.json\"===(u=h.service[\"@context\"]||h.service.type)||\"ImageService2\"===u?2:\"http://library.stanford.edu/iiif/image-api/1.1/context.json\"===u?1.1:1,_=new Array(L+1);for(let e=0;e<L+1;e++)P=Math.floor(oe(p,L-e)),S=Math.floor(oe(f,L-e)),_[e]={h:S,w:P},E[e]+=P,I[e]+=S,T[e]=Math.max(P,T[e]),D[e]=Math.max(S,D[e]);let t=\"non-paged\"!==a.viewingHint||!!a.behavior&&\"non-paged\"!==a.behavior[0],i=\"facing-pages\"===a.viewingHint||!!a.behavior&&\"facing-pages\"===a.behavior[0];r[e]={d:_,m:m,l:b,il:y,f:g.url,url:d,api:v,paged:t,facingPages:i,canvas:w,otherImages:C,xoffset:g.x||null,yoffset:g.y||null}}const M=new Array(L+1),z=new Array(L+1);for(let e=0;e<L+1;e++)M[e]=E[e]/o,z[e]=I[e]/o;const V={a_wid:M,a_hei:z,max_w:T,max_h:D,max_ratio:O,min_ratio:x,t_hei:I,t_wid:E};return{version:i,item_title:function(e){let t,i=e.label,s=\"object\"==typeof i?i[Object.keys(i)[0]][0]:i,n=e.value;return t=Array.isArray(n)?n.map(e=>e[Object.keys(e)[0]]):\"object\"==typeof n?n[Object.keys(n)[0]]:n,Array.isArray(t)&&(t=t.join(\", \")),{label:s,value:t}}(e).label,metadata:e.metadata||null,dims:V,max_zoom:L,pgs:r,paged:\"paged\"===e.viewingHint||!!e.behaviour&&\"paged\"===e.behaviour[0]||!!s&&\"paged\"===s.viewingHint}}function he(e){let t=e[\"@id\"]||e.id;const i=/#xywh=([0-9]+,[0-9]+,[0-9]+,[0-9]+)/;let s=\"\",n=!0;if(/\\/([0-9]+,[0-9]+,[0-9]+,[0-9]+)\\//.test(t)){const e=t.split(\"/\");s=e[e.length-4]}else if(i.test(t)){s=i.exec(t)[1]}else e.service&&(e.service[\"@id\"]||e.service.id)&&(t=e.service[\"@id\"]||e.service.id,n=!1);n&&(t=t.split(\"/\").slice(0,-4).join(\"/\"));const o={url:t};if(s.length){const e=s.split(\",\");o.x=parseInt(e[0],10),o.y=parseInt(e[1],10),o.w=parseInt(e[2],10),o.h=parseInt(e[3],10)}return o}class ce{getPageImageURL(e,t,i){let s;s=!i||null==i.width&&null==i.height?\"full\":(null==i.width?\"\":i.width)+\",\"+(null==i.height?\"\":i.height);const n=e.pages[t],o=n.api>1.1?\"default\":\"native\";return encodeURI(n.url+\"full/\"+s+\"/0/\"+o+\".jpg\")}getTileImageURL(e,t,i){const s=e.pages[t];let n,o;n=i.row===i.rowCount-1?s.d[i.zoomLevel].h-(i.rowCount-1)*i.tileDimensions.height:i.tileDimensions.height,o=i.col===i.colCount-1?s.d[i.zoomLevel].w-(i.colCount-1)*i.tileDimensions.width:i.tileDimensions.width;const r=Math.pow(2,e.maxZoom-i.zoomLevel);let a=i.col*i.tileDimensions.width*r,l=i.row*i.tileDimensions.height*r;s.hasOwnProperty(\"xoffset\")&&(a+=s.xoffset,l+=s.yoffset);const h=[a,l,o*r,n*r].join(\",\"),c=s.api>1.1?\"default\":\"native\";return encodeURI(s.url+h+\"/\"+o+\",\"+n+\"/0/\"+c+\".jpg\")}}class ue{constructor(e,t){this.pages=e.pgs,this.maxZoom=e.max_zoom,this.maxRatio=e.dims.max_ratio,this.minRatio=e.dims.min_ratio,this.itemTitle=e.item_title,this.metadata=e.metadata,this.paged=!!e.paged,this._maxWidths=e.dims.max_w,this._maxHeights=e.dims.max_h,this._averageWidths=e.dims.a_wid,this._averageHeights=e.dims.a_hei,this._totalHeights=e.dims.t_hei,this._totalWidths=e.dims.t_wid,this._urlAdapter=t}static fromIIIF(e){const t=le(e);return new ue(t,new ce)}isPageValid(e,t){return!(!t&&this.paged&&!this.pages[e].paged)&&(e>=0&&e<this.pages.length)}getMaxPageDimensions(e){const t=this.pages[e].d[this.maxZoom];return{height:t.h,width:t.w}}getPageDimensionsAtZoomLevel(e,t){const i=this.pages[e].d[this.maxZoom],s=function(e,t){return 1/Math.pow(2,e-t)}(this.maxZoom,t);return{height:i.h*s,width:i.w*s}}getPageImageURL(e,t){return this._urlAdapter.getPageImageURL(this,e,t)}getPageImageTiles(e,t,i){const s=this.pages[e];if(!isFinite(t)||t%1!=0)throw new TypeError(\"Zoom level must be an integer: \"+t);const n=Math.ceil(s.d[t].h/i.height),o=Math.ceil(s.d[t].w/i.width),r=[];let a,l,h;for(a=0;a<n;a++)for(l=0;l<o;l++)h=this._urlAdapter.getTileImageURL(this,e,{row:a,col:l,rowCount:n,colCount:o,zoomLevel:t,tileDimensions:i}),r.push({row:a,col:l,zoomLevel:t,dimensions:{height:i.height,width:i.width},offset:{top:a*i.height,left:l*i.width},url:h});return{zoomLevel:t,rows:n,cols:o,tiles:r}}}function de(e){return function(t){return this[e][t]}}ue.prototype.getMaxWidth=de(\"_maxWidths\"),ue.prototype.getMaxHeight=de(\"_maxHeights\"),ue.prototype.getAverageWidth=de(\"_averageWidths\"),ue.prototype.getAverageHeight=de(\"_averageHeights\"),ue.prototype.getTotalWidth=de(\"_totalWidths\"),ue.prototype.getTotalHeight=de(\"_totalHeights\");class ge{constructor(e){this.viewer=e,this.settings=e.settings}_elemAttrs(e,t){const i={id:this.settings.ID+e,class:\"diva-\"+e};return t?Object.assign(i,t):i}_subscribe(e,t){c.Events.subscribe(e,t,this.settings.ID)}createButton(e,t,i,n){const o=s(\"button\",{type:\"button\",id:this.settings.ID+e,class:\"diva-\"+e+\" diva-button\",title:t});return n&&o.appendChild(n),i&&o.addEventListener(\"click\",i),o}createLabel(e,t,i,n,o){return s(\"div\",{id:this.settings.ID+t,class:e+\" diva-label\"},[i,s(\"span\",{id:this.settings.ID+n},o)])}createZoomButtons(){let e=this._createZoomOutIcon(),t=this._createZoomInIcon(),i=[this.createButton(\"zoom-out-button\",\"Zoom Out\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel-1)},e),this.createButton(\"zoom-in-button\",\"Zoom In\",()=>{this.viewer.setZoomLevel(this.settings.zoomLevel+1)},t),this.createLabel(\"diva-zoom-label\",\"zoom-label\",\"Zoom level: \",\"zoom-level\",this.settings.zoomLevel+1)],n=function(){document.getElementById(this.settings.ID+\"zoom-level\").textContent=this.settings.zoomLevel+1};return this._subscribe(\"ZoomLevelDidChange\",n),this._subscribe(\"ViewerDidLoad\",n),s(\"div\",{id:this.settings.ID+\"zoom-controls\",style:\"display: none\"},i)}createGridControls(){let e=this._createGridMoreIcon(),t=this._createGridFewerIcon(),i=[this.createButton(\"grid-out-button\",\"Fewer\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow-1)},t),this.createButton(\"grid-in-button\",\"More\",()=>{this.viewer.setGridPagesPerRow(this.settings.pagesPerRow+1)},e),this.createLabel(\"diva-grid-label\",\"grid-label\",\"Pages per row: \",\"pages-per-row\",this.settings.pagesPerRow)];return this._subscribe(\"GridRowNumberDidChange\",function(){document.getElementById(this.settings.ID+\"pages-per-row\").textContent=this.settings.pagesPerRow}),s(\"div\",{id:this.settings.ID+\"grid-controls\",style:\"display:none\"},i)}createPageLabel(){const e=s(\"span\",{id:this.settings.ID+\"current-page\"}),t=()=>{let t=this.viewer.getCurrentPageIndices(),i=t[0],s=t[t.length-1],n=this.settings.manifest.pages[i].l,o=this.settings.manifest.pages[s].l;i!==s?this.settings.enableIndexAsLabel?e.textContent=i+\" - \"+s:e.textContent=n+\" - \"+o:this.settings.enableIndexAsLabel?e.textContent=i:e.textContent=n};return this._subscribe(\"VisiblePageDidChange\",t),this._subscribe(\"ViewerDidLoad\",t),this._subscribe(\"ViewDidSwitch\",t),s(\"span\",{class:\"diva-page-label diva-label\"},e)}createGotoPageForm(){const e=s(\"input\",{id:this.settings.ID+\"goto-page-input\",class:\"diva-input diva-goto-page-input\",autocomplete:\"off\",type:\"text\"}),t=s(\"input\",{id:this.settings.ID+\"goto-page-submit\",class:\"diva-button diva-button-text\",type:\"submit\",value:\"Go\"}),i=s(\"div\",{id:this.settings.ID+\"input-suggestions\",class:\"diva-input-suggestions\"}),n=s(\"form\",{id:this.settings.ID+\"goto-page\",class:\"diva-goto-form\"},e,t,i);return n.addEventListener(\"submit\",t=>{t.preventDefault();const s=e.value;if(this.settings.onGotoSubmit&&\"function\"==typeof this.settings.onGotoSubmit){const e=this.settings.onGotoSubmit(s);this.viewer.gotoPageByIndex(e)||window.alert(\"No page could be found with that label or page number\")}else this.viewer.gotoPageByLabel(s)||window.alert(\"No page could be found with that label or page number\");return i.style.display=\"none\",!1}),[\"input\",\"focus\"].forEach(t=>{e.addEventListener(t,()=>{i.innerHTML=\"\";const t=e.value;let n=0;if(this.settings.enableGotoSuggestions&&t){const e=this.settings.manifest.pages;for(let o=0,r=e.length;o<r&&n<10;o++)if(e[o].l.toLowerCase().indexOf(t.toLowerCase())>-1){const t=s(\"div\",{class:\"diva-input-suggestion\"},e[o].l);i.appendChild(t),n++}n>0&&(i.style.display=\"block\")}else i.style.display=\"none\"})}),e.addEventListener(\"keydown\",t=>{let i;if(13===t.keyCode){const t=document.getElementsByClassName(\"active\")[0];void 0!==t&&(e.value=t.innerText)}if(38===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.previousSibling:void 0;if(void 0!==e)i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\");else{let e=document.getElementsByClassName(\"diva-input-suggestion\").length-1;document.getElementsByClassName(\"diva-input-suggestion\")[e].classList.add(\"active\")}}else if(40===t.keyCode){const e=(i=document.getElementsByClassName(\"active\")[0])?i.nextSibling:void 0;void 0!==e?(i.classList.remove(\"active\"),null!==e&&e.classList.add(\"active\")):document.getElementsByClassName(\"diva-input-suggestion\")[0].classList.add(\"active\")}}),function(e,t,i,s){e.addEventListener(t,function(e){for(var t=e.target;t&&t!==this;)t.matches(i)&&s.call(t,e),t=t.parentNode})}(i,\"mousedown\",\".diva-input-suggestion\",function(){e.value=this.textContent,i.style.display=\"none\";let t=new Event(\"submit\");n.dispatchEvent(t)}),e.addEventListener(\"blur\",()=>{i.style.display=\"none\"}),n}createViewMenu(){const e=s(\"div\",this._elemAttrs(\"view-options\")),t=this._createGridViewIcon(),i=this._createBookViewIcon(),n=this._createPageViewIcon(),o=this.createButton(\"view-icon\",\"Change view\",()=>{e.style.display=\"none\"===e.style.display?\"block\":\"none\"}),r=t=>{this.viewer.changeView(t),e.style.display=\"none\"},a=()=>{this.settings.inGrid?(o.appendChild(t),o.className=\"diva-grid-icon diva-view-icon diva-button\"):this.settings.inBookLayout?(o.appendChild(i),o.className=\"diva-book-icon diva-view-icon diva-button\"):(o.appendChild(n),o.className=\"diva-document-icon diva-view-icon diva-button\");const s=document.createDocumentFragment();for((this.settings.inGrid||this.settings.inBookLayout)&&s.appendChild(this.createButton(\"document-icon\",\"Document View\",r.bind(null,\"document\"),n)),!this.settings.inGrid&&this.settings.inBookLayout||s.appendChild(this.createButton(\"book-icon\",\"Book View\",r.bind(null,\"book\"),i)),this.settings.inGrid||s.appendChild(this.createButton(\"grid-icon\",\"Grid View\",r.bind(null,\"grid\"),t));e.firstChild;)e.removeChild(e.firstChild);e.appendChild(s)};return document.addEventListener(\"mouseup\",t=>{e!==t.target&&(e.style.display=\"none\")}),this._subscribe(\"ViewDidSwitch\",a),this._subscribe(\"ObjectDidLoad\",a),s(\"div\",this._elemAttrs(\"view-menu\"),o,e)}createFullscreenButton(){let e=this._createFullscreenIcon();return this.createButton(\"fullscreen-icon\",\"Toggle fullscreen mode\",()=>{this.viewer.toggleFullscreenMode()},e)}toggleZoomGridControls(){this.settings.inGrid?(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"none\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"block\"):(document.getElementById(this.settings.ID+\"zoom-controls\").style.display=\"block\",document.getElementById(this.settings.ID+\"grid-controls\").style.display=\"none\")}render(){this._subscribe(\"ViewDidSwitch\",this.toggleZoomGridControls),this._subscribe(\"ObjectDidLoad\",this.toggleZoomGridControls);let e=[this.createZoomButtons(),this.createGridControls()],t=[this.createPageLabel(),this.createViewMenu()];this.settings.enableFullscreen&&t.push(this.createFullscreenButton()),this.settings.enableGotoPage&&t.splice(1,0,this.createGotoPageForm());let i=this.viewer.viewerState.pluginInstances;for(let s=0,o=i.length;s<o;s++){let o=i[s];o.toolbarSide&&(o.toolbarIcon=o.createIcon(),o.toolbarIcon&&(\"right\"===o.toolbarSide?t.splice(2,0,o.toolbarIcon):\"left\"===o.toolbarSide&&e.splice(2,0,o.toolbarIcon),o.toolbarIcon.addEventListener(\"click\",n.bind(this,o))))}function n(e){e.handleClick(this.viewer)}const o=s(\"div\",this._elemAttrs(\"tools\"),s(\"div\",this._elemAttrs(\"tools-left\"),e),s(\"div\",this._elemAttrs(\"tools-right\"),t));this.settings.toolbarParentObject.insertBefore(o,this.settings.toolbarParentObject.firstChild)}_createToolbarIcon(e){let t=document.createElementNS(\"http://www.w3.org/2000/svg\",\"svg\");t.setAttributeNS(null,\"viewBox\",\"0 0 25 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this._createToolbarIcon([\"M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z 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this._createToolbarIcon([\"M29.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,35c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z M21.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H21.5z M13.5,27c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H13.5z M29.5,19c-0.275,0-0.5-0.225-0.5-0.5v-5c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5v5c0,0.275-0.225,0.5-0.5,0.5H29.5z 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this._createToolbarIcon([\"M29.425,29h4.47L29,33.934v-4.47C29,29.19,29.151,29,29.425,29z M34,14.563V28h-5.569C28.157,28,28,28.196,28,28.47V34H14.497C14.223,34,14,33.71,14,33.437V14.563C14,14.29,14.223,14,14.497,14h18.9C33.672,14,34,14.29,34,14.563z M25.497,26.497C25.497,26.223,25.275,26,25,26h-7c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,27.777,17.725,28,18,28h7c0.275,0,0.497-0.223,0.497-0.497V26.497z M30.497,22.497C30.497,22.223,30.275,22,30,22H18c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,23.777,17.725,24,18,24h12c0.275,0,0.497-0.223,0.497-0.497V22.497z M30.497,18.497C30.497,18.223,30.275,18,30,18H18c-0.275,0-0.497,0.223-0.497,0.497v1.006C17.503,19.777,17.725,20,18,20h12c0.275,0,0.497-0.223,0.497-0.497V18.497z\"])}_createFullscreenIcon(){return this._createToolbarIcon([\"M35,12H13c-0.55,0-1,0.45-1,1v22c0,0.55,0.45,1,1,1h22c0.55,0,1-0.45,1-1V13C36,12.45,35.55,12,35,12z 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t=fetch(this.settings.objectData,{headers:e}).then(e=>{if(!e.ok){c.Events.publish(\"ManifestFetchError\",[e],this),this._ajaxError(e);let t=new Error(e.statusText);throw t.response=e,t}return e.json()}).then(e=>{this._loadObjectData(e,this.hashState)});this.divaState.viewerCore.setPendingManifestRequest(t)}}_showError(e){this.divaState.viewerCore.showError(e)}_ajaxError(e){const t=[\"Invalid objectData setting. Error code: \"+e.status+\" \"+e.statusText];if(0===this.settings.objectData.lastIndexOf(\"http\",0)){const e=this.settings.objectData.replace(/https?:\\/\\//i,\"\").split(/[/?#]/)[0];window.location.hostname!==e&&t.push(s(\"p\",\"Attempted to access cross-origin data without CORS.\"),s(\"p\",\"You may need to update your server configuration to support CORS. For help, see the \",s(\"a\",{href:\"https://github.com/DDMAL/diva.js/wiki/Installation#a-note-about-cross-site-requests\",target:\"_blank\"},\"cross-site request documentation.\")))}this._showError(t)}_loadObjectData(e,t){let i;if(!e.hasOwnProperty(\"@context\")&&(-1===e[\"@context\"].indexOf(\"iiif\")||-1===e[\"@context\"].indexOf(\"shared-canvas\")))throw new l(\"This does not appear to be a IIIF Manifest.\");c.Events.publish(\"ManifestDidLoad\",[e],this),i=ue.fromIIIF(e);const s=t?this._getLoadOptionsForState(t,i):{};this.divaState.viewerCore.setManifest(i,s)}_getHashParamState(){const e={};return[\"f\",\"v\",\"z\",\"n\",\"i\",\"p\",\"y\",\"x\"].forEach(t=>{const i=ve.get(t+this.settings.hashParamSuffix);!1!==i&&(e[t]=i)}),\"true\"===e.f?e.f=!0:\"false\"===e.f&&(e.f=!1),[\"z\",\"n\",\"p\",\"x\",\"y\"].forEach(t=>{t in e&&(e[t]=parseInt(e[t],10))}),e}_getLoadOptionsForState(e,t){t=t||this.settings.manifest;const i=\"v\"in e?this._getViewState(e.v):{};\"f\"in e&&(i.inFullscreen=e.f),\"z\"in e&&(i.zoomLevel=e.z),\"n\"in e&&(i.pagesPerRow=e.n);let s=this._getPageIndexForManifest(t,e.i);if(s>=0&&s<t.pages.length||(s=e.p-1)>=0&&s<t.pages.length||(s=null),null!==s){const t=parseInt(e.x,10),n=parseInt(e.y,10);i.goDirectlyTo=s,i.horizontalOffset=t,i.verticalOffset=n}return i}_getViewState(e){switch(e){case\"d\":return{inGrid:!1,inBookLayout:!1};case\"b\":return{inGrid:!1,inBookLayout:!0};case\"g\":return{inGrid:!0,inBookLayout:!1};default:return{}}}_getPageIndexForManifest(e,t){let i;const s=e.pages.length;for(i=0;i<s;i++)if(e.pages[i].f===t)return i;return-1}_getState(){let e;e=this.settings.inGrid?\"g\":this.settings.inBookLayout?\"b\":\"d\";const t=this.divaState.viewerCore.getCurrentLayout().getPageToViewportCenterOffset(this.settings.activePageIndex,this.viewerState.viewport);return{f:this.settings.inFullscreen,v:e,z:this.settings.zoomLevel,n:this.settings.pagesPerRow,i:!!this.settings.enableFilename&&this.settings.manifest.pages[this.settings.activePageIndex].f,p:!this.settings.enableFilename&&this.settings.activePageIndex+1,y:!!t&&t.y,x:!!t&&t.x}}_getURLHash(){const e=this._getState(),t=[];let i;for(i in e)!1!==e[i]&&t.push(i+this.settings.hashParamSuffix+\"=\"+encodeURIComponent(e[i]));return t.join(\"&\")}_getPageIndex(e){return this._getPageIndexForManifest(this.settings.manifest,e)}_checkLoaded(){return!!this.viewerState.loaded||(console.warn(\"The viewer is not completely initialized. This is likely because it is still downloading data. To fix this, only call this function if the isReady() method returns true.\"),!1)}_toggleFullscreen(){let e;this._reloadViewer({inFullscreen:!this.settings.inFullscreen});let t=!1,i=document.getElementById(this.settings.selector+\"tools\");const s=2e3;function n(){i.style.opacity=1,clearTimeout(e),!t&&this.settings.inFullscreen&&(e=setTimeout(function(){i.style.opacity=0},s))}this.settings.inFullscreen?(i.classList.add(\"diva-fullscreen-tools\"),document.addEventListener(\"mousemove\",n.bind(this)),document.getElementsByClassName(\"diva-viewport\")[0].addEventListener(\"scroll\",n.bind(this)),i.addEventListener(\"mouseenter\",function(){t=!0}),i.addEventListener(\"mouseleave\",function(){t=!1})):i.classList.remove(\"diva-fullscreen-tools\")}_togglePageLayoutOrientation(){const e=!this.settings.verticallyOriented;return this._reloadViewer({inGrid:!1,verticallyOriented:e,goDirectlyTo:this.settings.activePageIndex,verticalOffset:this.divaState.viewerCore.getYOffset(),horizontalOffset:this.divaState.viewerCore.getXOffset()}),e}_changeView(e){switch(e){case\"document\":return this._reloadViewer({inGrid:!1,inBookLayout:!1});case\"book\":return this._reloadViewer({inGrid:!1,inBookLayout:!0});case\"grid\":return this._reloadViewer({inGrid:!0});default:return!1}}_gotoPageByIndex(e,t,i){let s=parseInt(e,10);if(this._isPageIndexValid(s)){const e=this.divaState.viewerCore.getXOffset(s,t),n=this.divaState.viewerCore.getYOffset(s,i);return this.viewerState.renderer.goto(s,n,e),!0}return!1}_isPageIndexValid(e){return this.settings.manifest.isPageValid(e,this.settings.showNonPagedPages)}_getPageIndexForPageXYValues(e,t){const i=this.viewerState.outerElement.getBoundingClientRect(),s=i.top,n=i.left,o=i.bottom,r=i.right;if(e<n||e>r)return-1;if(t<s||t>o)return-1;const a=document.getElementsByClassName(\"diva-page\");let l=a.length;for(;l--;){const i=a[l],s=i.getBoundingClientRect();if(!(e<s.left||e>s.right)&&!(t<s.top||t>s.bottom))return i.getAttribute(\"data-index\")}return-1}_reloadViewer(e){return this.divaState.viewerCore.reload(e)}_getCurrentURL(){return location.protocol+\"//\"+location.host+location.pathname+location.search+\"#\"+this._getURLHash()}activate(){this.viewerState.isActiveDiva=!0}changeObject(e){this.viewerState.loaded=!1,this.divaState.viewerCore.clear(),this.viewerState.renderer&&this.viewerState.renderer.destroy(),this.viewerState.options.objectData=e,this._loadOrFetchObjectData()}changeView(e){this._changeView(e)}deactivate(){this.viewerState.isActiveDiva=!1}destroy(){this.divaState.viewerCore.destroy()}disableScrollable(){this.divaState.viewerCore.disableScrollable()}enableScrollable(){this.divaState.viewerCore.enableScrollable()}disableDragScrollable(){this.divaState.viewerCore.disableDragScrollable()}enableDragScrollable(){this.divaState.viewerCore.enableDragScrollable()}enterFullscreenMode(){return!this.settings.inFullscreen&&(this._toggleFullscreen(),!0)}enterGridView(){return!this.settings.inGrid&&(this._changeView(\"grid\"),!0)}getAllPageURIs(){return this.settings.manifest.pages.map(e=>e.f)}getCurrentCanvas(){return this.settings.manifest.pages[this.settings.activePageIndex].canvas}getCurrentPageDimensionsAtCurrentZoomLevel(){return this.getPageDimensionsAtCurrentZoomLevel(this.settings.activePageIndex)}getCurrentPageFilename(){return console.warn(\"This method will be deprecated in the next version of Diva. Please use getCurrentPageURI instead.\"),this.settings.manifest.pages[this.settings.activePageIndex].f}getCurrentPageIndices(){return this.settings.currentPageIndices}getActivePageIndex(){return this.settings.activePageIndex}getCurrentPageOffset(){return this.getPageOffset(this.settings.activePageIndex)}getCurrentPageURI(){return this.settings.manifest.pages[this.settings.activePageIndex].f}getCurrentURL(){return this._getCurrentURL()}getFilenames(){return console.warn(\"This will be removed in the next version of Diva. Use getAllPageURIs instead.\"),this.settings.manifest.pages.map(e=>e.f)}getGridPagesPerRow(){return this.settings.pagesPerRow}getInstanceId(){return this.settings.ID}getInstanceSelector(){return this.divaState.viewerCore.selector}getItemTitle(){return this.settings.manifest.itemTitle}getMaxZoomLevel(){return this.settings.maxZoomLevel}getMaxZoomLevelForPage(e){return!!this._checkLoaded()&&this.settings.manifest.pages[e].m}getMinZoomLevel(){return this.settings.minZoomLevel}getNumberOfPages(){return!!this._checkLoaded()&&this.settings.numPages}getOtherImages(e){return this.settings.manifest.pages[e].otherImages}getPageDimensions(e){return this._checkLoaded()?this.divaState.viewerCore.getCurrentLayout().getPageDimensions(e):null}getPageDimensionsAtCurrentZoomLevel(e){let t=parseInt(e,10);if(!this._isPageIndexValid(t))throw new Error(\"Invalid Page Index\");return this.divaState.viewerCore.getCurrentLayout().getPageDimensions(t)}getPageDimensionsAtZoomLevel(e,t){if(!this._checkLoaded())return!1;t>this.settings.maxZoomLevel&&(t=this.settings.maxZoomLevel);const i=this.settings.manifest.pages[parseInt(e,10)].d[parseInt(t,10)];return{width:i.w,height:i.h}}getPageImageURL(e,t){return this.settings.manifest.getPageImageURL(e,t)}getPageIndexForPageXYValues(e,t){return this._getPageIndexForPageXYValues(e,t)}getPageOffset(e,t){const i=this.divaState.viewerCore.getPageRegion(e,t);return{top:i.top,left:i.left}}getSettings(){return this.settings}getState(){return this._getState()}getZoomLevel(){return this.settings.zoomLevel}gotoPageByIndex(e,t,i){return this._gotoPageByIndex(e,t,i)}gotoPageByLabel(e,t,i){const s=this.settings.manifest.pages;let n=e.toLowerCase();for(let e=0,o=s.length;e<o;e++)if(s[e].l.toLowerCase().indexOf(n)>-1)return this._gotoPageByIndex(e,t,i);const o=parseInt(e,10)-1;return this._gotoPageByIndex(o,t,i)}gotoPageByName(e,t,i){console.warn(\"This method will be removed in the next version of Diva.js. Use gotoPageByURI instead.\");const s=this._getPageIndex(e);return this._gotoPageByIndex(s,t,i)}gotoPageByURI(e,t,i){const s=this._getPageIndex(e);return this._gotoPageByIndex(s,t,i)}hasOtherImages(e){return!0===this.settings.manifest.pages[e].otherImages}hideNonPagedPages(){this._reloadViewer({showNonPagedPages:!1})}isInFullscreen(){return this.settings.inFullscreen}isPageIndexValid(e){return this._isPageIndexValid(e)}isPageInViewport(e){return this.viewerState.renderer.isPageVisible(e)}isReady(){return this.viewerState.loaded}isRegionInViewport(e,t,i,s,n){const o=this.divaState.viewerCore.getCurrentLayout();if(!o)return!1;const r=o.getPageOffset(e),a=r.top+i,l=r.left+t;return this.viewerState.viewport.intersectsRegion({top:a,bottom:a+n,left:l,right:l+s})}isVerticallyOriented(){return this.settings.verticallyOriented}leaveFullscreenMode(){return!!this.settings.inFullscreen&&(this._toggleFullscreen(),!0)}leaveGridView(){return!!this.settings.inGrid&&(this._reloadViewer({inGrid:!1}),!0)}setGridPagesPerRow(e){return!!this.divaState.viewerCore.isValidOption(\"pagesPerRow\",e)&&this._reloadViewer({inGrid:!0,pagesPerRow:e})}setState(e){this._reloadViewer(this._getLoadOptionsForState(e))}setZoomLevel(e){return this.settings.inGrid&&this._reloadViewer({inGrid:!1}),this.divaState.viewerCore.zoom(e)}showNonPagedPages(){this._reloadViewer({showNonPagedPages:!0})}toggleFullscreenMode(){this._toggleFullscreen()}toggleNonPagedPagesVisibility(){this._reloadViewer({showNonPagedPages:!this.settings.showNonPagedPages})}toggleOrientation(){return this._togglePageLayoutOrientation()}translateFromMaxZoomLevel(e){const t=this.settings.maxZoomLevel-this.settings.zoomLevel;return e/Math.pow(2,t)}translateToMaxZoomLevel(e){const t=this.settings.maxZoomLevel-this.settings.zoomLevel;return 0===t?e:e*Math.pow(2,t)}zoomIn(){return this.setZoomLevel(this.settings.zoomLevel+1)}zoomOut(){return this.setZoomLevel(this.settings.zoomLevel-1)}}t.default=fe;!function(e){e.Diva=e.Diva||fe,e.Diva.Events=c.Events}(window)}]);"],"mappings":"AAAA;AACA;AACA;AACA;AACA;AACA;AACA;AACA","sourceRoot":""} \ No newline at end of file
--- a/src/main/webapp/imageServer/resources/js/diva4ismi.js Fri Jul 05 16:05:57 2019 +0200 +++ b/src/main/webapp/imageServer/resources/js/diva4ismi.js Sat Jul 06 20:42:28 2019 +0200 @@ -2,8 +2,10 @@ debugModus : false, rest_url : "https://ismi-db.mpiwg-berlin.mpg.de/om4-ismi", //rest_url : "http://localhost:18080/ismi-richfaces", - iipServerURL: "https://images.rasi.mcgill.ca/fcgi-bin/iipsrv.fcgi", + //iipServerURL: "https://images.rasi.mcgill.ca/fcgi-bin/iipsrv.fcgi", //drupal_url: "https://ismi-db.mpiwg-berlin.mpg.de/drupal-ismi", + auth_token_url: 'https://ismi-imageserver-cc.mpiwg-berlin.mpg.de/auth/iiif-token', + auth_login_url: 'https://ismi-imageserver-cc.mpiwg-berlin.mpg.de/auth/iiif-login', drupal_url: "https://ismi.mpiwg-berlin.mpg.de", entity_url: "https://ismi-db.mpiwg-berlin.mpg.de/om4-ismi/browse/entityDetails.xhtml?eid=" } @@ -428,8 +430,9 @@ $("#witness-edit").on('click', '.set-start-set', function(ev) { - var dv = $('#diva-wrapper').data('diva'); - var pageNumber = dv.getCurrentPageNumber(); + var dv = window.divaInstance; + //var pageNumber = dv.getActivePageIndex()+1; + var pageNumber = dv.getCurrentPageIndices()[0]+1; var witnessId = $(this).data('witness'); var inputElement = $('#input-start-page-' + witnessId) inputElement.val(pageNumber); @@ -437,15 +440,16 @@ $("#witness-edit").on('click', '.set-start-reset', function(ev) { - var dv = $('#diva-wrapper').data('diva'); + var dv = window.divaInstance; var witnessId = $(this).data('witness'); var inputElement = $('#input-start-page-' + witnessId) inputElement.val(""); }); $("#witness-edit").on('click', '.set-end-set', function(ev) { - var dv = $('#diva-wrapper').data('diva'); - var pageNumber = dv.getCurrentPageNumber(); + var dv = window.divaInstance; + //var pageNumber = dv.getActivePageIndex()+1; + var pageNumber = dv.getCurrentPageIndices()[0]+1; var witnessId = $(this).data('witness'); var inputElement = $('#input-end-page-' + witnessId) @@ -453,7 +457,7 @@ }); $("#witness-edit").on('click', '.set-end-reset', function(ev) { - var dv = $('#diva-wrapper').data('diva'); + var dv = window.divaInstance; var witnessId = $(this).data('witness'); var inputElement = $('#input-end-page-' + witnessId) inputElement.val("");
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/webapp/imageServer/resources/js/plugins/simple-auth.js Sat Jul 06 20:42:28 2019 +0200 @@ -0,0 +1,2 @@ +!function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="/build/plugins/",n(n.s=3)}({3:function(e,t,n){"use strict";function r(e){const t=document.createElement(e),n=Array.prototype.slice.call(arguments,1);for(;n.length;){o(t,n.shift())}return t}function o(e,t){if(null!=t)if("object"!=typeof t&&"function"!=typeof t)e.appendChild(document.createTextNode(t));else if(t instanceof window.Node)e.appendChild(t);else if(t instanceof Array){const n=t.length;for(let r=0;r<n;r++)o(e,t[r])}else!function(e,t){for(const n in t)t.hasOwnProperty(n)&&("style"===n?i(e,t.style):e.setAttribute(n,t[n]))}(e,t)}function i(e,t){if(t)if("object"==typeof t)for(const n in t)t.hasOwnProperty(n)&&(e.style[n]=t[n]);else e.style.cssText=t}n.r(t),n.d(t,"default",function(){return s});class s{constructor(e){this.core=e,this.toolbarIcon=this.createIcon(),this.toolbarSide="right",this.authTokenUrl=e.settings.simpleAuthTokenUrl,this.authLoginUrl=e.settings.simpleAuthLoginUrl,this.authToken=null,this.authError=null,this.authTokenId=null,this.serviceOrigin=this.getOrigin(this.authTokenUrl),Diva.Events.subscribe("ManifestFetchError",e=>{if(401==e.status)throw null==this.authToken&&null==this.authError?(this.requestAuthToken(),new Error("cancel error handler")):(this.showLoginMessage(e),new Error("cancel error handler"))},e.settings.ID),window.addEventListener("message",e=>{let t=e.origin,n=e.data;t==this.serviceOrigin&&n.messageId==this.authTokenId&&(n.hasOwnProperty("accessToken")?(this.authToken=n.accessToken,this.authError=null,this.setAuthHeader(n.accessToken),this.core.publicInstance._loadOrFetchObjectData()):n.hasOwnProperty("error")&&(console.debug("ERROR getting access token!"),this.authError=n.error,this.authToken=null,this.setAuthHeader(null),this.core.publicInstance._loadOrFetchObjectData()))})}showLoginMessage(e){const t=["Unauthorized request. Error code: "+e.status+" "+e.statusText];t.push(r("p","The document you are trying to access requires authentication."),r("p","Please ",r("button",this.core.elemAttrs("error-auth-login",{"aria-label":"Log in"}),"log in"))),this.core.showError(t);let n="#"+this.core.settings.selector;document.querySelector(n+"error-auth-login").addEventListener("click",()=>{this.openLoginWindow();let e=document.querySelector(n+"error");e.parentNode.removeChild(e)})}openLoginWindow(){const e=window.open(this.authLoginUrl);if(null==e)return void console.error("login service window did not open :-(");const t=window.setInterval(()=>{e.closed&&(window.clearInterval(t),this.requestAuthToken())},500)}requestAuthToken(){let e=document.getElementById("iiif-token-frame");null==e&&((e=document.createElement("iframe")).id="iiif-token-frame",e.setAttribute("style","display:none; width:30px; height:10px;"),document.body.appendChild(e)),this.authTokenId=Date.now();const t=this.authTokenUrl+"?messageId="+this.authTokenId+"&origin="+this.getOrigin();e.src=t}getOrigin(e){let t=window.location;return e&&((t=document.createElement("a")).href=e),t.protocol+"//"+t.hostname+(t.port?":"+t.port:"")}setAuthHeader(e){null!=e?(this.core.settings.addRequestHeaders=this.core.settings.addRequestHeaders||{},this.core.settings.addRequestHeaders.Authorization="Bearer "+e):null!=this.core.settings.addRequestHeaders&&delete this.core.settings.addRequestHeaders.Authorization}handleClick(){null!=this.authToken&&null==this.authError||this.openLoginWindow()}createIcon(){const e=document.createElement("div");e.classList.add("diva-simpleauth-icon","diva-button");let t=document.createElementNS("http://www.w3.org/2000/svg","svg");t.setAttribute("x","0px"),t.setAttribute("y","0px"),t.setAttribute("viewBox","0 0 25 25"),t.id=`${this.core.settings.selector}download-icon`;let n=document.createElementNS("http://www.w3.org/2000/svg","g");n.id=`${this.core.settings.selector}download-icon-glyph`,n.setAttribute("transform","matrix(1, 0, 0, 1, -11.5, -11.5)"),n.setAttribute("class","diva-pagetool-icon");let r=document.createElementNS("http://www.w3.org/2000/svg","path");return r.setAttribute("d","M36.25,24c0,6.755-5.495,12.25-12.25,12.25S11.75,30.755,11.75,24S17.245,11.75,24,11.75S36.25,17.245,36.25,24z M33,24c0-4.963-4.037-9-9-9s-9,4.037-9,9s4.037,9,9,9S33,28.963,33,24z M29.823,23.414l-5.647,7.428c-0.118,0.152-0.311,0.117-0.428-0.035L18.1,23.433C17.982,23.28,18.043,23,18.235,23H21v-4.469c0-0.275,0.225-0.5,0.5-0.5h5c0.275,0,0.5,0.225,0.5,0.5V23h2.688C29.879,23,29.941,23.263,29.823,23.414z"),n.appendChild(r),t.appendChild(n),e.appendChild(t),e}}s.prototype.pluginName="simple-auth",s.prototype.isPageTool=!1,window.Diva.SimpleAuthPlugin=s}}); +//# sourceMappingURL=simple-auth.js.map \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/main/webapp/imageServer/resources/js/plugins/simple-auth.js.map Sat Jul 06 20:42:28 2019 +0200 @@ -0,0 +1,1 @@ +{"version":3,"file":"simple-auth.js","sources":["webpack:///simple-auth.js"],"sourcesContent":["!function(e){var t={};function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:r})},n.r=function(e){\"undefined\"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:\"Module\"}),Object.defineProperty(e,\"__esModule\",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&\"object\"==typeof e&&e&&e.__esModule)return e;var r=Object.create(null);if(n.r(r),Object.defineProperty(r,\"default\",{enumerable:!0,value:e}),2&t&&\"string\"!=typeof e)for(var o in e)n.d(r,o,function(t){return e[t]}.bind(null,o));return r},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,\"a\",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p=\"/build/plugins/\",n(n.s=3)}({3:function(e,t,n){\"use strict\";function r(e){const t=document.createElement(e),n=Array.prototype.slice.call(arguments,1);for(;n.length;){o(t,n.shift())}return t}function o(e,t){if(null!=t)if(\"object\"!=typeof t&&\"function\"!=typeof t)e.appendChild(document.createTextNode(t));else if(t instanceof window.Node)e.appendChild(t);else if(t instanceof Array){const n=t.length;for(let r=0;r<n;r++)o(e,t[r])}else!function(e,t){for(const n in t)t.hasOwnProperty(n)&&(\"style\"===n?i(e,t.style):e.setAttribute(n,t[n]))}(e,t)}function i(e,t){if(t)if(\"object\"==typeof t)for(const n in t)t.hasOwnProperty(n)&&(e.style[n]=t[n]);else e.style.cssText=t}n.r(t),n.d(t,\"default\",function(){return s});class s{constructor(e){this.core=e,this.toolbarIcon=this.createIcon(),this.toolbarSide=\"right\",this.authTokenUrl=e.settings.simpleAuthTokenUrl,this.authLoginUrl=e.settings.simpleAuthLoginUrl,this.authToken=null,this.authError=null,this.authTokenId=null,this.serviceOrigin=this.getOrigin(this.authTokenUrl),Diva.Events.subscribe(\"ManifestFetchError\",e=>{if(401==e.status)throw null==this.authToken&&null==this.authError?(this.requestAuthToken(),new Error(\"cancel error handler\")):(this.showLoginMessage(e),new Error(\"cancel error handler\"))},e.settings.ID),window.addEventListener(\"message\",e=>{let t=e.origin,n=e.data;t==this.serviceOrigin&&n.messageId==this.authTokenId&&(n.hasOwnProperty(\"accessToken\")?(this.authToken=n.accessToken,this.authError=null,this.setAuthHeader(n.accessToken),this.core.publicInstance._loadOrFetchObjectData()):n.hasOwnProperty(\"error\")&&(console.debug(\"ERROR getting access token!\"),this.authError=n.error,this.authToken=null,this.setAuthHeader(null),this.core.publicInstance._loadOrFetchObjectData()))})}showLoginMessage(e){const t=[\"Unauthorized request. 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