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t={},i={id:"",thumb:"",openPage:"data-hash-page,df-page,data-df-page,data-page,page",target:"",height:"",showDownloadControl:"data-download",source:"pdf-source,df-source,source",is3D:"webgl,is3d",viewerType:"viewertype,viewer-type",pagemode:""};for(var n in i)for(var o=(n+","+i[n]).split(","),s=0;s2&&void 0!==arguments[2]?arguments[2]:0;return e?(i=t>135?180-(180-t)*2:t>45?t-45:0,i=m.limitAt(i,n,180)):(i=t<45?2*t:t<135?t+45:180,i=m.limitAt(i,0,180-n)),i},m.sanitizeOptions=function(e){if(e.showDownloadControl=m.parseBoolIfExists(e.showDownloadControl),e.showSearchControl=m.parseBoolIfExists(e.showSearchControl),e.showPrintControl=m.parseBoolIfExists(e.showPrintControl),e.flipbook3DTiltAngleLeft=m.parseIntIfExists(e.flipbook3DTiltAngleLeft),e.flipbook3DTiltAngleUp=m.parseIntIfExists(e.flipbook3DTiltAngleUp),e.paddingLeft=m.parseIntIfExists(e.paddingLeft),e.paddingRight=m.parseIntIfExists(e.paddingRight),e.paddingTop=m.parseIntIfExists(e.paddingTop),e.paddingBottom=m.parseIntIfExists(e.paddingBottom),e.duration=m.parseIntIfExists(e.duration),e.rangeChunkSize=m.parseIntIfExists(e.rangeChunkSize),e.maxTextureSize=m.parseIntIfExists(e.maxTextureSize),e.linkTarget=m.parseIntIfExists(e.linkTarget),e.zoomRatio=m.parseFloatIfExists(e.zoomRatio),e.enableAnalytics=m.parseBoolIfExists(e.enableAnalytics),e.autoPlay=m.parseBoolIfExists(e.autoPlay),e.autoPlayStart=m.parseBoolIfExists(e.autoPlayStart),e.autoPlayDuration=m.parseIntIfExists(e.autoPlayDuration),void 0!==e.loadMoreCount&&(e.loadMoreCount=m.parseInt(e.loadMoreCount),(isNaN(e.loadMoreCount)||0===e.loadMoreCount)&&(e.loadMoreCount=-1)),null!=e.source&&(Array===e.source.constructor||Array.isArray(e.source)||e.source instanceof Array))for(var t=0;t0&&-1===e.indexOf("http:")&&-1===e.indexOf("https:"))return m.log("AutoLink Rejected: "+s+" for "+e),e;if(0===e.indexOf("www."))s="http://"+e;else if(0===e.indexOf("http://")||0===e.indexOf("https://"));else if(0===e.indexOf("mailto:"));else if(e.indexOf("@")>0&&(s="mailto:"+e,null===e.match(/(?:[a-z0-9!#$%&'*+/=?^_`{|}~-]+(?:\.[a-z0-9!#$%&'*+/=?^_`{|}~-]+)*|"(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*")@(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)+[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])+)\])/)))return m.log("AutoLink Rejected: "+s+" for "+e),e;return m.log("AutoLink: "+s+" for "+e),''+e+""})},m.supportsPassive=!1;try{var w=Object.defineProperty({},"passive",{get:function(){m.supportsPassive=!0}});window.addEventListener("testPassive",null,w),window.removeEventListener("testPassive",null,w)}catch(e){}p.parseCSSElements=function(){d(".dvcss").each(function(){var e,t=d(this),i=function(e){for(var t,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:"dvcss_e_",n=e.classList,o=0;o").html(e.title),i=d("
").appendTo(e.element);i.append(d("
")),i.append(d("
"));var n=d("
").append(t).appendTo(i),o=e.element.hasClass("df-skip-lazy"),s=d(''+e.title+'');n.prepend(s),o?(s.attr("src",e.thumbURL),s.removeClass("df-lazy")):(s.attr("data-src",e.thumbURL),s.attr("src",p.defaults.popupThumbPlaceholder),p.addLazyElement(s[0])),!0===p.defaults.displayLightboxPlayIcon&&n.addClass("df-icon-play-popup"),"book-title-top"===e.thumbLayout?t.prependTo(e.element):("book-title-bottom"===e.thumbLayout||"cover-title"===e.thumbLayout)&&(e.hasShelf?e.thumbLayout="book-title-fixed":t.appendTo(e.element),!0===p.defaults.displayLightboxPlayIcon&&(e.element.removeClass("df-icon-play-popup"),i.addClass("df-icon-play-popup"))),e.element.addClass("df-tl-"+e.thumbLayout),e.element.attr("title",e.title)},p.initId=10,p.embeds=[],p.activeEmbeds=[],p.removeEmbeds=[],p.removeEmbedsLimit=m.isMobile?1:2,p.parseNormalElements=function(){d(".df-posts").each(function(){if(!1!==p.defaults.loadMoreCount&&-1!==p.defaults.loadMoreCount){var e=d(this);if("true"!==e.data("df-parsed")){e.data("df-parsed","true"),e.attr("df-parsed","true");var t=0,i=e.find(".df-element"),n=i.length;i.each(function(){++t>p.defaults.loadMoreCount&&d(this).attr("skip-parse","true")}),n>p.defaults.loadMoreCount&&e.append("
Load More..
")}}}),p.triggerId=10,d(".df-element").each(function(){var e=d(this);if("true"!==e.attr("skip-parse")&&"true"!==e.data("df-parsed")){e.data("df-parsed","true"),e.attr("df-parsed","true");var t=e.data("df-lightbox")||e.data("lightbox");if(void 0===t)e.addClass("df-lazy-embed"),p.addLazyElement(e[0]);else if(e.addClass("df-popup-"+t),"thumb"===t){var i=e.data("df-thumb-layout")||p.defaults.thumbLayout,n=m.httpsCorrection(e.data("df-thumb"));e.removeAttr("data-thumb").removeAttr("data-thumb-layout");var o=e.html().trim();(void 0===o||""===o)&&(o="Click to Open");var s=e.parent().hasClass("df-has-shelf");p.parseThumbs({element:e,thumbURL:n,title:o,thumbLayout:i,hasShelf:s}),s&&e.after(d(""))}else"button"===t&&p.defaults.buttonClass&&e.addClass(p.defaults.buttonClass);var a=e.attr("data-trigger");null!=a&&a.length>1&&(a=a.split(","),p.triggerId++,a.forEach(function(t){e.attr("df-trigger-id",p.triggerId),d("#"+t).addClass("df-trigger").attr("df-trigger",p.triggerId)}))}}),p.handleLazy=function(){var e;if(p.removeEmbeds.length>p.removeEmbedsLimit&&(e=p.removeEmbeds.shift())){var t=d("[initID='"+e+"']");if(t.length>0){var i=t.data("df-app");if(i){t.attr("data-df-page",i.currentPageNumber),m.log("Removed app id "+e),i.dispose(),i=null;var n=p.activeEmbeds.indexOf(e);n>-1&&p.activeEmbeds.splice(n,1)}}}if(e=p.embeds.shift()){var o=d("[initID='"+e+"']");if(o.length>0){if(o.is("img"))o.hasClass("df-lazy")?(o.attr("src",o.attr("data-src")),o.removeAttr("data-src"),o.removeClass("df-lazy"),p.lazyObserver.unobserve(o[0])):m.log("Prevent this"),p.handleLazy();else{var s=o.data("df-app");null==s?new p.Application({element:o}):s.softInit(),m.log("Created app id "+e),p.activeEmbeds.push(e)}}}p.removeEmbeds.length<=p.removeEmbedsLimit&&0==p.embeds.length&&(p.checkRequestQueue=null)}},p.lazyObserver={observe:function(e){(e=d(e)).is("img")?e.hasClass("df-lazy")&&(e.attr("src",e.attr("data-src")),e.removeAttr("data-src"),e.removeClass("df-lazy")):new p.Application({element:e})}},"function"==typeof IntersectionObserver&&(p.lazyObserver=new IntersectionObserver(function(e,t){e.forEach(function(e){var t,i=d(e.target),n=i.attr("initID");e.isIntersecting?(!i.attr("initID")&&(i.attr("initID",p.initId),n=p.initId.toString(),p.initId++),(t=p.removeEmbeds.indexOf(n))>-1?(p.removeEmbeds.splice(t,1),m.log("Removed id "+n+"from Removal list")):-1==(t=p.embeds.indexOf(n))&&(p.embeds.push(n),m.log("Added id "+n+"to Add list"))):n&&((t=p.embeds.indexOf(n))>-1?(p.embeds.splice(t,1),m.log("Removed id "+n+" from Add list")):-1==(t=p.removeEmbeds.indexOf(n))&&(p.removeEmbeds.push(n),m.log("Added id "+n+" to Removal list"))),P=0,(p.removeEmbeds.length>p.removeEmbedsLimit||p.embeds.length>0)&&null==p.checkRequestQueue&&(p.checkRequestQueue=function(){P++,p.checkRequestQueue&&requestAnimationFrame(function(){p&&p.checkRequestQueue&&p.checkRequestQueue()}),P>20&&(P=0,p.handleLazy())},p.checkRequestQueue())})}));var P=0;p.addLazyElement=function(e){p.lazyObserver.observe(e)},p.parseElements=m.parseElements=function(){p.parseCSSElements(),p.parseNormalElements()},p.initUtils=function(){m.detectScriptLocation();var e=d("body");(m.isSafari||m.isIOS)&&e.addClass("df-ios"),e.on("click",function(){}),e.on("click",".df-posts .df-load-more-button",function(){var e=d(this).closest(".df-posts");if(e.length>0){var t=0;e.find(".df-element").each(function(){var e=d(this);"true"===e.attr("skip-parse")&&(t.df-has-shelf df-post-shelf:before, .df-has-shelf df-post-shelf:after{background-image: url('"+p.defaults.shelfImage+"');}")};var S=p.jQuery,E=p.utils,x=/*#__PURE__*/function(){var e;function t(e,i){(function(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")})(this,t),this.pages=[],this.app=i,this.parentElement=this.app.viewerContainer;var n="df-viewer "+(e.viewerClass||"");this.element=S("
",{class:n}),this.parentElement.append(this.element),this.wrapper=S("
",{class:"df-viewer-wrapper"}),this.element.append(this.wrapper),this.oldBasePageNumber=0,this.pages=[],this.minZoom=1,this.maxZoom=4,this.swipeThreshold=20,this.stageDOM=null,this.events={},this.arrowKeysAction=e.arrowKeysAction,this.clickAction=e.clickAction,this.scrollAction=e.scrollAction,this.dblClickAction=e.dblClickAction,this.pageBuffer=[],this.pageBufferSize=10,this.afterConstructor()}return e=[{key:"afterConstructor",value:function(){}},{key:"init",value:function(){}},{key:"softDispose",value:function(){}},{key:"updateBuffer",value:function(e){}},{key:"pageResetCallback",value:function(e){}},{key:"initCustomControls",value:function(){}},{key:"_getInnerWidth",value:function(){return this.app.dimensions.containerWidth-this.app.dimensions.padding.width-this.app.dimensions.offset.width}},{key:"_getInnerHeight",value:function(){return this.app.dimensions.maxHeight-this.app.dimensions.padding.height}},{key:"_getOuterHeight",value:function(e){return e}},{key:"dispose",value:function(){this.stageDOM&&(this.stageDOM.removeEventListener("mousemove",this.events.mousemove,!1),this.stageDOM.removeEventListener("mousedown",this.events.mousedown,!1),this.stageDOM.removeEventListener("mouseup",this.events.mouseup,!1),this.stageDOM.removeEventListener("touchmove",this.events.mousemove,!1),this.stageDOM.removeEventListener("touchstart",this.events.mousedown,!1),this.stageDOM.removeEventListener("touchend",this.events.mouseup,!1),this.stageDOM.removeEventListener("dblclick",this.events.dblclick,!1),this.stageDOM.removeEventListener("scroll",this.events.scroll,!1),this.stageDOM.removeEventListener("mousewheel",this.events.mousewheel,!1),this.stageDOM.removeEventListener("DOMMouseScroll",this.events.mousewheel,!1)),this.events=null,this.stageDOM=null,this.element.remove()}},{key:"checkDocumentPageSizes",value:function(){}},{key:"getViewerPageNumber",value:function(e){return e}},{key:"getDocumentPageNumber",value:function(e){return e}},{key:"getRenderContext",value:function(e,t){var i=this.app,n=i.provider,o=t.pageNumber,s=E.ifdef(t.textureTarget,p.TEXTURE_TARGET.VIEWER);i.dimensions.pageFit;var a=n.viewPorts[o],r=i.viewer.getTextureSize(t),l=null;if(l=s===p.TEXTURE_TARGET.THUMB?i.thumbSize:Math.floor(r.height),void 0===n.getCache(o,l)){var h=r.height/a.height,u=document.createElement("canvas"),c=this.filterViewPort(e.getViewport({scale:h,rotation:e._pageInfo.rotate+i.options.pageRotation}),o);s===p.TEXTURE_TARGET.THUMB&&(h=c.width/c.height>180/i.thumbSize?180*h/c.width:h*i.thumbSize/c.height,c=this.filterViewPort(e.getViewport({scale:h,rotation:e._pageInfo.rotate+i.options.pageRotation}),o)),u.height=Math.floor(c.height),u.width=Math.floor(c.width);var d=Math.abs(u.width-r.width)/r.width*100;return d>.001&&d<2&&(u.width=Math.floor(r.width),u.height=Math.floor(r.height)),i.viewer.filterViewPortCanvas(c,u,o),{canvas:u,canvasContext:u.getContext("2d",{willReadFrequently:!0===p.defaults.canvasWillReadFrequently}),viewport:c}}}},{key:"filterViewPort",value:function(e,t){return e}},{key:"getViewPort",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=this.app.provider.viewPorts[e];return t?null!=i?i:this.app.provider.defaultPage.viewPort:i}},{key:"pagesReady",value:function(){this.app.executeCallback("onPagesReady")}},{key:"onReady",value:function(){}},{key:"filterViewPortCanvas",value:function(e){}},{key:"finalizeAnnotations",value:function(){}},{key:"finalizeTextContent",value:function(){}},{key:"updateTextContent",value:function(e){void 0==e&&(e=this.getBasePage(e)),this.app.provider.processTextContent(e,this.getTextElement(e,!0))}},{key:"isActivePage",value:function(e){return e===this.app.currentPageNumber}},{key:"initEvents",value:function(){var e=this.stageDOM=E.ifdef(this.stageDOM,this.parentElement[0]);e&&(e.addEventListener("mousemove",this.events.mousemove=this.mouseMove.bind(this),!1),e.addEventListener("mousedown",this.events.mousedown=this.mouseDown.bind(this),!1),e.addEventListener("mouseup",this.events.mouseup=this.mouseUp.bind(this),!1),e.addEventListener("touchmove",this.events.mousemove=this.mouseMove.bind(this),!1),e.addEventListener("touchstart",this.events.mousedown=this.mouseDown.bind(this),!1),e.addEventListener("touchend",this.events.mouseup=this.mouseUp.bind(this),!1),e.addEventListener("dblclick",this.events.dblclick=this.dblclick.bind(this),!1),e.addEventListener("scroll",this.events.scroll=this.onScroll.bind(this),!1),e.addEventListener("mousewheel",this.events.mousewheel=this.mouseWheel.bind(this),!1),e.addEventListener("DOMMouseScroll",this.events.mousewheel=this.mouseWheel.bind(this),!1)),this.startTouches=null,this.lastScale=null,this.startPoint=null}},{key:"refresh",value:function(){}},{key:"reset",value:function(){}},{key:"eventToPoint",value:function(e){var t={x:e.clientX,y:e.clientY};return t.x=t.x-this.app.viewerContainer[0].getBoundingClientRect().left,t.y=t.y-this.app.viewerContainer[0].getBoundingClientRect().top,{raw:t}}},{key:"mouseMove",value:function(e){e=E.fixMouseEvent(e),this.pinchMove(e),!0===this.pinchZoomDirty&&e.preventDefault(),this.startPoint&&!0!=this.pinchZoomDirty&&(this.pan(this.eventToPoint(e)),e.preventDefault())}},{key:"mouseDown",value:function(e){e=E.fixMouseEvent(e),this.pinchDown(e),this.startPoint=this.eventToPoint(e)}},{key:"mouseUp",value:function(e){e=E.fixMouseEvent(e),!0===this.pinchZoomDirty&&e.preventDefault();var t=this.eventToPoint(e),i=e.target||e.originalTarget,n=this.startPoint&&t.x===this.startPoint.x&&t.y===this.startPoint.y&&"A"!==i.nodeName;!0===e.ctrlKey&&n&&this.zoomOnPoint(t),this.pinchUp(e),this.startPoint=null}},{key:"pinchDown",value:function(e){null!=e.touches&&2==e.touches.length&&null==this.startTouches&&(this.startTouches=E.getTouches(e),this.app.viewer.zoomCenter=E.getVectorAvg(E.getTouches(e,this.parentElement.offset())),this.lastScale=1)}},{key:"pinchUp",value:function(e){null!=e.touches&&e.touches.length<2&&!0==this.pinchZoomDirty&&(this.app.viewer.lastScale=this.lastScale,this.app.container.removeClass("df-pinch-zoom"),this.updateTemporaryScale(!0),this.app.zoom(),this.lastScale=null,this.app.viewer.canSwipe=!1,this.pinchZoomDirty=!1,this.app.viewer._pinchZoomLastScale=null,this.startTouches=null)}},{key:"pinchMove",value:function(e){if(null!=e.touches&&2==e.touches.length&&null!=this.startTouches){this.pinchZoomDirty=!0,this.app.container.addClass("df-pinch-zoom");var t=E.calculateScale(this.startTouches,E.getTouches(e));this.lastScale,this.lastScale=t,this.app.viewer.pinchZoomUpdateScale=E.limitAt(t,this.app.viewer.minZoom/this.app.zoomValue,this.app.viewer.maxZoom/this.app.zoomValue),this.app.viewer._pinchZoomLastScale!=this.app.viewer.pinchZoomUpdateScale&&(this.app.viewer.pinchZoomRequestStatus=p.REQUEST_STATUS.ON,this.app.viewer._pinchZoomLastScale=this.app.viewer.pinchZoomUpdateScale),e.preventDefault();return}}},{key:"updateTemporaryScale",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!0===e)this.parentElement[0].style.transform="none";else if(this.app.viewer.zoomCenter){var t=this.app.viewer.pinchZoomUpdateScale;this.parentElement[0].style.transformOrigin=this.app.viewer.zoomCenter.x+"px "+this.app.viewer.zoomCenter.y+"px",this.parentElement[0].style.transform="scale3d("+t+","+t+",1)"}}},{key:"pan",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];this.panRequestStatus=p.REQUEST_STATUS.ON,E.pan(this,e,t)}},{key:"updatePan",value:function(){this.element.css({transform:"translate3d("+this.left+"px,"+this.top+"px,0)"})}},{key:"dblclick",value:function(e){}},{key:"onScroll",value:function(e){}},{key:"mouseWheel",value:function(e){var t=this.app,i=E.getMouseDelta(e),n=!0===e.ctrlKey,o=t.options.mouseScrollAction===p.MOUSE_SCROLL_ACTIONS.ZOOM&&(!0===t.options.isLightBox||!0===t.isFullscreen);n||o?(i>0||i<0)&&(e.preventDefault(),t.viewer.zoomCenter=this.eventToPoint(e).raw,t.zoom(i),t.ui.update()):t.options.mouseScrollAction===p.MOUSE_SCROLL_ACTIONS.NAV&&(i>0?t.next():i<0&&t.prev())}},{key:"zoomOnPoint",value:function(e){this.app.viewer.zoomCenter=e.raw,this.app.zoom(1)}},{key:"getVisiblePages",value:function(){return this.visiblePagesCache=[],{main:this.visiblePagesCache,buffer:[]}}},{key:"getBasePage",value:function(){return this.app.currentPageNumber}},{key:"isFirstPage",value:function(e){return void 0===e&&(e=this.app.currentPageNumber),1===e}},{key:"isLastPage",value:function(e){return void 0===e&&(e=this.app.currentPageNumber),e===this.app.pageCount}},{key:"isEdgePage",value:function(e){return void 0===e&&(e=this.app.currentPageNumber),1===e||e===this.app.pageCount}},{key:"checkRequestQueue",value:function(){var e=p.REQUEST_STATUS;this.panRequestStatus===e.ON&&(this.updatePan(),this.panRequestStatus=e.OFF),this.app.viewer.pinchZoomRequestStatus===e.ON&&(this.app.viewer.updateTemporaryScale(),this.app.viewer.pinchZoomRequestStatus=e.OFF)}},{key:"isAnimating",value:function(){return!1}},{key:"updatePendingStatusClass",value:function(e){void 0===e&&(e=this.isAnimating()),this.app.container.toggleClass("df-pending",e)}},{key:"initPages",value:function(){}},{key:"resize",value:function(){}},{key:"determinePageMode",value:function(){}},{key:"zoom",value:function(){}},{key:"gotoPageCallBack",value:function(){this.requestRefresh()}},{key:"requestRefresh",value:function(){var e=!(arguments.length>0)||void 0===arguments[0]||arguments[0];this.app.refreshRequestStatus=!0===e?p.REQUEST_STATUS.ON:p.REQUEST_STATUS.OFF}},{key:"getPageByNumber",value:function(e){var t=this.pages,i=void 0;if(this.app.isValidPage(e)){for(var n=0;n1&&void 0!==arguments[1]&&arguments[1],i=this.getPageByNumber(e);if(void 0!==i)return void 0===i.annotationElement&&(i.annotationElement=S("
"),i.contentLayer.append(i.annotationElement)),!0===t&&i.annotationElement.html(""),i.annotationElement[0]}},{key:"getTextElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=this.getPageByNumber(e);if(void 0!==i)return void 0===i.textElement&&(i.textElement=S("
"),i.contentLayer.append(i.textElement)),!0===t&&(i.textElement.html(""),i.textElement.siblings(".df-auto-link-content").html("")),i.textElement[0]}},{key:"render",value:function(){}},{key:"checkPageLoading",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t=!0,i=this.getVisiblePages().main,n=!0===e?i.length:this.isBooklet?1:2;n=Math.min(n,i.length);for(var o=0;o",{class:"df-page"});e[0].appendChild(this.contentLayer[0]),this.texture=new Image,this.parentElement&&this.parentElement[0].append(e[0])}},{key:"resetContent",value:function(){void 0!==this.annotationElement&&this.annotationElement.html(""),void 0!==this.textElement&&this.textElement.html("")}},{key:"setLoading",value:function(){this.element.toggleClass("df-loading",!0!==this.textureLoaded)}},{key:"loadTexture",value:function(e){var t=this,i=e.texture,n=e.callback;function o(){t.textureSrc=i,t.element.css({backgroundImage:L.bgImage(i)}),t.updateTextureLoadStatus(!0),"function"==typeof n&&n(e)}null===t.canvasMode&&i&&"CANVAS"===i.nodeName&&(t.canvasMode=!0),!0===t.canvasMode?(t.element.find("canvas").remove(),i!==t.textureLoadFallback&&(t.textureSrc=i,t.element.append(_(i))),t.updateTextureLoadStatus(!0),"function"==typeof n&&n(e)):i===t.textureLoadFallback?o():(t.texture.onload=o,t.texture.src=i)}},{key:"updateCSS",value:function(e){this.element.css(e)}},{key:"resetCSS",value:function(){this.element.css({transform:"",boxShadow:"",display:"block"})}}]),n}(/*#__PURE__*/function(){function e(){C(this,e),this.textureLoadFallback="blank",this.textureStamp="-1",this.textureLoaded=!1,this.texture="blank",this.textureSrc="blank",this.pageNumber=void 0,this.contentLayer=_("
",{class:"df-page-content"})}return k(e,[{key:"reset",value:function(){this.resetTexture(),this.resetContent()}},{key:"resetTexture",value:function(){this.textureLoaded=!1,this.textureStamp="-1",this.loadTexture({texture:this.textureLoadFallback}),this.contentLayer.removeClass("df-content-loaded")}},{key:"clearTexture",value:function(){this.loadTexture({texture:this.textureLoadFallback})}},{key:"resetContent",value:function(){}},{key:"loadTexture",value:function(e){}},{key:"getTexture",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t=this.textureSrc;return!0===e&&t&&t.cloneNode&&(t=t.cloneNode()).getContext&&t.getContext("2d").drawImage(this.textureSrc,0,0),t}},{key:"setLoading",value:function(){}},{key:"updateTextureLoadStatus",value:function(e){this.textureLoaded=!0===e,L.log((!0===this.textureLoaded?"Loaded ":"Loading ")+this.textureStamp+" for "+this.pageNumber),this.contentLayer.toggleClass("df-content-loaded",!0===e),this.setLoading()}},{key:"changeTexture",value:function(e,t){var i=e+"|"+t;return this.textureStamp!==i&&(L.log("Page "+e+" : texture changed from - "+this.textureStamp+" to "+i),this.textureLoaded=!1,this.textureStamp=i,this.updateTextureLoadStatus(!1),!0)}}]),e}());function I(e){if(void 0===e)throw ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function A(e,t,i){return(A="undefined"!=typeof Reflect&&Reflect.get?Reflect.get:function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=M(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(i||e):o.value}})(e,t,i||e)}function M(e){return(M=Object.setPrototypeOf?Object.getPrototypeOf:function(e){return e.__proto__||Object.getPrototypeOf(e)})(e)}function z(e,t){return(z=Object.setPrototypeOf||function(e,t){return e.__proto__=t,e})(e,t)}var D=p.jQuery,F=p.utils,B=/*#__PURE__*/function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&z(e,t)}(o,e);var t,i,n=(t=function(){if("undefined"==typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}(),function(){var e,i=M(o);return e=t?Reflect.construct(i,arguments,M(this).constructor):i.apply(this,arguments),e&&("object"==(e&&"undefined"!=typeof Symbol&&e.constructor===Symbol?"symbol":typeof e)||"function"==typeof e)?e:I(this)});function o(e,t){var i;return function(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")}(this,o),e.viewerClass="df-reader",t.options.mouseScrollAction=p.MOUSE_SCROLL_ACTIONS.NONE,(i=n.call(this,e,t)).app.jumpStep=1,i.minZoom=.25,i.stackCount=i.app.pageCount,i.app.options.paddingLeft=0,i.app.options.paddingRight=0,i.app.options.paddingTop=10,i.app.options.paddingBottom=!0===i.app.options.controlsFloating?20:10,i.app.pageScaling=i.app.options.pageScale,i.acceptAppMouseEvents=!0,i.scrollStatus=p.REQUEST_STATUS.OFF,i.deltaPanX=0,i.deltaPanY=0,t._viewerPrepared(),i.zoomViewer=I(i),i}return i=[{key:"init",value:function(){A(M(o.prototype),"init",this).call(this),this.initEvents(),this.initPages(),this.initScrollBar()}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],A(M(o.prototype),"initEvents",this).call(this)}},{key:"initPages",value:function(){this.stackCount=this.app.pageCount;for(var e=0;e"),this.scrollBar.appendTo(this.app.container),this.scrollPageNumber=D("
").appendTo(this.app.container)}},{key:"afterControlUpdate",value:function(){void 0!==this.scrollBar&&(this.scrollBar[0].innerHTML=this.app.getCurrentLabel(),this.app.provider.pageLabels?this.scrollPageNumber[0].innerHTML=this.app.getCurrentLabel()+"
("+this.app.currentPageNumber+" of "+this.app.pageCount+")
":this.scrollPageNumber[0].innerHTML=this.app.getCurrentLabel()+"
of "+this.app.pageCount+"
")}},{key:"updateBuffer",value:function(e){if("-1"!==e.textureStamp&&void 0!==e.pageNumber){for(var t=e.pageNumber,i=e.pageNumber,n=0,o=0;oMath.abs(this.app.currentPageNumber-i)&&(i=s,n=o)}this.pageBuffer.push(e),this.pageBuffer.length>this.pageBufferSize&&(F.log("Farthest buffer: "+i),this.pageBuffer[n].reset(),this.pageBuffer.splice(n,1))}}},{key:"initCustomControls",value:function(){var e=this.app.ui.controls;e.openRight.hide(),e.openLeft.hide()}},{key:"dispose",value:function(){A(M(o.prototype),"dispose",this).call(this),this.scrollBar&&this.scrollBar.remove(),this.scrollPageNumber&&this.scrollPageNumber.remove(),this.element.remove()}},{key:"_getInnerHeight",value:function(){A(M(o.prototype),"_getInnerHeight",this).call(this);var e=this.app.dimensions.maxHeight-this.app.dimensions.padding.height,t=this.app.dimensions.defaultPage.viewPort,i=this.app.dimensions.containerWidth-20-this.app.dimensions.padding.width;this.app.pageScaling===p.PAGE_SCALE.ACTUAL&&(i=1*this.app.provider.defaultPage.viewPort.width);var n=e;return this.app.pageScaling===p.PAGE_SCALE.PAGE_WIDTH?n=100*t.height:this.app.pageScaling===p.PAGE_SCALE.AUTO?n=1.5*t.height:this.app.pageScaling===p.PAGE_SCALE.ACTUAL&&(n=1*t.height),n-=2,this._containCover=F.contain(t.width,t.height,i,n),n=Math.min(e,this._containCover.height+2),this.app.pageScaleValue=this._containCover.height/t.height,this.app.dimensions.isFixedHeight?e:n}},{key:"handleZoom",value:function(){var e=this.app,t=this.maxZoom=4,i=e.zoomValue;!0===e.pendingZoom&&null!=e.zoomDelta?i=e.zoomDelta>0?i*e.options.zoomRatio:i/e.options.zoomRatio:null!=this.lastScale&&(i*=this.lastScale,this.lastScale=null),i=F.limitAt(i,this.minZoom,t),e.zoomValueChange=i/e.zoomValue,e.zoomChanged=e.zoomValue!==i,e.zoomValue=i}},{key:"resize",value:function(){var e=this.app;e.dimensions;var t=e.dimensions.padding,i=this.shiftHeight=0;this.element.css({top:-i,bottom:-i,right:-0,left:-0,paddingTop:t.top,paddingRight:t.right,paddingBottom:t.bottom,paddingLeft:t.left});for(var n=this.getVisiblePages().main[0]-1,o=(n=this.pages[n].element[0]).getBoundingClientRect(),s=this.parentElement[0].getBoundingClientRect(),a=0;a=t)break;if(o>0&&a>t&&s.clientHeight+a>=t){n=i[o-1];break}}this.skipScrollIntoView=!0,this.app.gotoPage(n),this.skipScrollIntoView=!1,this.updateScrollBar(),e.preventDefault&&e.preventDefault(),e.stopPropagation(),this.requestRefresh(),this.scrollStatus=p.REQUEST_STATUS.COUNT,p.handlePopup(this.element,!1)}},{key:"updateScrollBar",value:function(){var e=this.element[0];this.app.container[0],e.scrollLeft;var t=60+(e.offsetHeight-40-60-60)*e.scrollTop/(e.scrollHeight-e.offsetHeight);isNaN(t)&&(t=60),this.scrollBar.lastY=t,this.scrollBar[0].style.transform="translateY("+t+"px)"}},{key:"validatePageChange",value:function(e){}},{key:"gotoPageCallBack",value:function(){if(!0!==this.skipScrollIntoView){var e=this.getPageByNumber(this.app.currentPageNumber);null!=e&&F.scrollIntoView(e.element[0],this.element[0])}this.skipScrollIntoView=!1,this.requestRefresh()}},{key:"getTextureSize",value:function(e){var t=this.app.provider.viewPorts[1];this.app.provider.viewPorts[e.pageNumber]&&(t=this.app.provider.viewPorts[e.pageNumber]);var i=this.app.options.pixelRatio;return{height:t.height*this.app.zoomValue*this.app.pageScaleValue*i,width:t.width*this.app.zoomValue*this.app.pageScaleValue*i}}},{key:"textureLoadedCallback",value:function(e){var t=this.getPageByNumber(e.pageNumber),i=this.app,n=this.getViewPort(e.pageNumber,!0);t.element.height(Math.floor(n.height*i.pageScaleValue*i.zoomValue)).width(Math.floor(n.width*i.pageScaleValue*i.zoomValue)),this.pagesReady()}},{key:"pan",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=this.startPoint,n=e.raw.y-i.raw.y,o=e.raw.x-i.raw.x;this.deltaPanY+=n,this.deltaPanX+=o,this.panRequestStatus=p.REQUEST_STATUS.ON,!1===t&&(this.startPoint=e)}},{key:"updatePan",value:function(){this.element[0].scrollTop=this.element[0].scrollTop-this.deltaPanY,this.element[0].scrollLeft=this.element[0].scrollLeft-this.deltaPanX,this.deltaPanY=0,this.deltaPanX=0}},{key:"mouseMove",value:function(e){if(this.startPoint&&this.isScrollBarPressed){var t=F.fixMouseEvent(e),i=this.eventToPoint(t),n=this.element[0],s=this.scrollBar.lastY-(this.startPoint.raw.y-i.raw.y);this.scrollBar.lastY=s,n.scrollTop=(s-60)*(n.scrollHeight-n.offsetHeight)/(n.offsetHeight-40-60-60),this.startPoint=i,e.preventDefault();return}e.touches&&e.touches.length<2||A(M(o.prototype),"mouseMove",this).call(this,e)}},{key:"mouseDown",value:function(e){A(M(o.prototype),"mouseDown",this).call(this,e),e.srcElement===this.scrollBar[0]&&(this.isScrollBarPressed=!0,this.scrollBar.addClass("df-active"),this.scrollPageNumber.addClass("df-active"))}},{key:"mouseUp",value:function(e){A(M(o.prototype),"mouseUp",this).call(this,e),(this.isScrollBarPressed=this.scrollBar)&&(this.isScrollBarPressed=!1,this.scrollBar.removeClass("df-active"),this.scrollPageNumber.removeClass("df-active"))}}],function(e,t){for(var i=0;i1.1*n&&o<768?p.FLIPBOOK_PAGE_MODE.SINGLE:p.FLIPBOOK_PAGE_MODE.DOUBLE,this._calculateInnerHeight()}else{var s=e.dimensions.stage.innerWidth+(!0!=e.options.sideMenuOverlay&&e.isSideMenuOpen?220:0);this.pageMode=e.dimensions.stage.innerHeight>1.1*s&&s<768?p.FLIPBOOK_PAGE_MODE.SINGLE:p.FLIPBOOK_PAGE_MODE.DOUBLE}}this.pageMode!=t&&this.setPageMode({isSingle:this.pageMode==p.FLIPBOOK_PAGE_MODE.SINGLE})}}},{key:"initSound",value:function(){this.soundFile=document.createElement("audio"),this.soundFile.setAttribute("src",this.app.options.soundFile+"?ver="+p.version),this.soundFile.setAttribute("type","audio/mpeg")}},{key:"playSound",value:function(){try{!0===this.app.userHasInteracted&&!0===this.soundOn&&(this.soundFile.currentTime=0,this.soundFile.play())}catch(e){}}},{key:"checkDocumentPageSizes",value:function(){var e=this.app.provider;e.pageSize===p.FLIPBOOK_PAGE_SIZE.AUTO&&(e._page2Ratio&&e._page2Ratio>1.5*e.defaultPage.pageRatio?e.pageSize=p.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL:e.pageSize=p.FLIPBOOK_PAGE_SIZE.SINGLE),e.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&(e.pageCount=1===e.numPages?1:2*e.numPages-2),(e.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK||e.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE)&&(e.pageCount=2*e.numPages)}},{key:"getViewerPageNumber",value:function(e){return this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&e>2&&(e=2*e-1),this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK&&e>2&&(e=2*e-1),e}},{key:"getDocumentPageNumber",value:function(e){return this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&e>2?Math.ceil((e-1)/2)+1:this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK&&e>1?e===this.app.pageCount?1:Math.ceil((e-1)/2)+1:e}},{key:"getViewPort",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=arguments.length>2?arguments[2]:void 0;return this.filterViewPort(W(j(i.prototype),"getViewPort",this).call(this,e,t),e,n)}},{key:"isDoubleInternal",value:function(){return this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL}},{key:"isDoubleCoverBack",value:function(){return this.app.provider.pageSize===p.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK}},{key:"isDoubleInternalPage",value:function(e){return this.isDoubleInternal()&&e>1&&ethis.app.viewer.pureMaxZoom&&(this.zoomViewer.leftViewPort&&this.zoomViewer.leftPage.contentLayer[0].style.setProperty("--scale-factor",this.zoomViewer.leftSheetHeight/this.zoomViewer.leftViewPort.height),this.zoomViewer.rightViewPort&&this.zoomViewer.rightPage.contentLayer[0].style.setProperty("--scale-factor",this.zoomViewer.rightSheetHeight/this.zoomViewer.rightViewPort.height))}},{key:"isActivePage",value:function(e){return void 0!==this.visiblePagesCache&&this.visiblePagesCache.includes(e)}},{key:"isSheetCover",value:function(e){var t=this.isBooklet;return 0===e||t&&1===e||e===Math.ceil(this.app.pageCount/(t?1:2))-(t?0:1)}},{key:"isSheetHard",value:function(e){var t=this.app.options.flipbookHardPages;if(this.isBooklet,"cover"===t)return this.isSheetCover(e);if("all"===t)return!0;var i=(","+t+",").indexOf(","+(2*e+1)+",")>-1,n=(","+t+",").indexOf(","+(2*e+2)+",")>-1;return i||n}},{key:"sheetsIndexShift",value:function(e,t,i){e>t?(this.sheets[i-1].skipFlip=!0,this.sheets.unshift(this.sheets.pop())):e5&&t.preventDefault(),Math.abs(i)>this.swipeThreshold&&(i<0?this.app.openRight():this.app.openLeft(),this.canSwipe=!1,t.preventDefault()),this.lastPosX=e.x,this.lastPosY=e.y}}},{key:"checkCenter",value:function(){var e,t=arguments.length>0&&void 0!==arguments[0]&&arguments[0],i=this.app,n=p.FLIPBOOK_CENTER_SHIFT,o=i.currentPageNumber%2==0,s=this.getBasePage(),a=this.isRTL,r=this.isSingle;e=0===s||this.isBooklet?this.isRTL?n.RIGHT:n.LEFT:s===i.pageCount?a?n.LEFT:n.RIGHT:r?a?o?n.LEFT:n.RIGHT:o?n.RIGHT:n.LEFT:n.NONE,!0!==this.centerNeedsUpdate&&(this.centerNeedsUpdate=this.centerShift!==e),this.centerNeedsUpdate&&(this.centerShift=e,this.updateCenter(t),this.centerNeedsUpdate=!1)}},{key:"updateCenter",value:function(){console.log("UpdateCenter: missing implementation.")}},{key:"reset",value:function(){for(var e,t=0;t0?o*e.options.zoomRatio:o/e.options.zoomRatio:null!=this.lastScale&&(o*=this.lastScale,this.lastScale=null),o=X.limitAt(o,this.minZoom,n),e.zoomValueChange=o/e.zoomValue,(e.zoomChanged=e.zoomValue!==o)&&(1===o||1===e.zoomValue)&&(s=1===o,a=1===e.zoomValue),e.zoomValue=o,(a||s)&&(e.container.toggleClass("df-zoom-active",1!==o),a&&this.enterZoom(),s&&this.exitZoom())}},{key:"refresh",value:function(){var e=this.app,t=this.stackCount,i=this.isRTL,n=this.isBooklet,o=this.getBasePage(),s=n?1:2;i&&(o=e.pageCount-o);var a,r=this.oldBasePageNumber,l=Math.ceil(e.pageCount/s),h=Math.floor(t/2);o!==this.oldBasePageNumber&&(this.pageNumberChanged=!0,this.updatePendingStatusClass(!0),this.zoomViewer.reset()),this.sheetsIndexShift(r,o,t);var u=Math.ceil(o/s);for(a=0;a=h||c.isFlipping||m:d>=0&&de&&t.oldPageNumber>t.currentPageNumber}},{key:"getVisiblePages",value:function(){for(var e=[],t=this.getBasePage(),i=this.app.zoomValue>1?1:this.isBooklet&&X.isMobile?Math.min(this.stackCount/2,2):this.stackCount/2,n=0;n0&&void 0!==arguments[0]&&arguments[0],!0!==this.isAnimating()&&(this.pagesReady(),this.updatePendingStatusClass())}},{key:"isFlipping",value:function(){var e=!1;return this.sheets.forEach(function(t){!0===t.isFlipping&&(e=!0)}),e}},{key:"isAnimating",value:function(){return this.isFlipping()}},{key:"mouseWheel",value:function(e){this.app.options.mouseScrollAction===p.MOUSE_SCROLL_ACTIONS.ZOOM?this.zoomViewer.mouseWheel(e):W(j(i.prototype),"mouseWheel",this).call(this,e)}},{key:"checkRequestQueue",value:function(){this.app.zoomValue>1?this.zoomViewer.checkRequestQueue():W(j(i.prototype),"checkRequestQueue",this).call(this)}},{key:"updatePan",value:function(){}},{key:"resetPageTween",value:function(){}},{key:"gotoPageCallBack",value:function(){this.resetPageTween(),1!==this.app.zoomValue&&!0===this.app.options.resetZoomBeforeFlip&&this.app.resetZoom(),this.beforeFlip(),this.requestRefresh()}},{key:"beforeFlip",value:function(){this.app.executeCallback("beforeFlip"),1===this.app.zoomValue&&this.getBasePage()!==this.oldBasePageNumber&&this.playSound()}},{key:"onFlip",value:function(){this.app.executeCallback("onFlip")}},{key:"getAnnotationElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=arguments.length>2&&void 0!==arguments[2]&&arguments[2],o=void 0;return(o=this.app.zoomValue>1||!0===n?this.zoomViewer.getAnnotationElement(e,t):W(j(i.prototype),"getAnnotationElement",this).call(this,e,t))&&(o.parentNode.classList.toggle("df-double-internal",this.isDoubleInternalPage(e)),o.parentNode.classList.toggle("df-double-internal-fix",this.isDoublePageFix(e))),o}},{key:"getTextElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];return this.app.zoomValue>1||!0===n?this.zoomViewer.getTextElement(e,t):W(j(i.prototype),"getTextElement",this).call(this,e,t)}},{key:"enterZoom",value:function(){this.exchangeTexture(this,this.zoomViewer)}},{key:"exitZoom",value:function(){this.exchangeTexture(this.zoomViewer,this)}},{key:"exchangeTexture",value:function(e,t){var i=this.getBasePage(),n=e.getPageByNumber(i),o=t.getPageByNumber(i);if(o&&"-1"===o.textureStamp?(o.textureStamp=n.textureStamp,o.loadTexture({texture:n.getTexture(!0)}),X.log("Texture Exchanging at "+i)):X.log("Texture Exchanging Bypassed at "+i),!this.isBooklet){var s=e.getPageByNumber(i+1),a=t.getPageByNumber(i+1);a&&"-1"===a.textureStamp?(a.textureStamp=s.textureStamp,a.loadTexture({texture:s.getTexture(!0)}),X.log("Texture Exchanging at "+(i+1))):X.log("Texture Exchanging Bypassed at "+(i+1))}t.pagesReady()}},{key:"setPageMode",value:function(e){var t=this.app,i=!0===e.isSingle;this.pageMode=i?p.FLIPBOOK_PAGE_MODE.SINGLE:p.FLIPBOOK_PAGE_MODE.DOUBLE,this.updatePageMode(),t.resizeRequestStart(),t.viewer.pageMode===p.FLIPBOOK_PAGE_MODE.DOUBLE&&t.ui.controls.pageMode?t.ui.controls.pageMode.removeClass(t.options.icons.doublepage).addClass(t.options.icons.singlepage).attr("title",t.options.text.singlePageMode).html(""+t.options.text.singlePageMode+""):t.ui.controls.pageMode.addClass(t.options.icons.doublepage).removeClass(t.options.icons.singlepage).attr("title",t.options.text.doublePageMode).html(""+t.options.text.doublePageMode+"")}},{key:"updatePageMode",value:function(){this.app.pageCount<3&&(this.pageMode=p.FLIPBOOK_PAGE_MODE.SINGLE),this.isSingle=this.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE,this.isBooklet=this.isSingle&&this.singlePageMode===p.FLIPBOOK_SINGLE_PAGE_MODE.BOOKLET,this.app.jumpStep=this.isSingle?1:2,this.totalSheets=Math.ceil(this.app.pageCount/(this.isBooklet?1:2)),this.sheets.length>0&&this.reset()}},{key:"setPage",value:function(e){return e.textureTarget===p.TEXTURE_TARGET.ZOOM?this.zoomViewer.setPage(e):W(j(i.prototype),"setPage",this).call(this,e)}},{key:"_calculateInnerHeight",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:void 0;void 0===e&&(e=this.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE);var t=this.app.dimensions.defaultPage.viewPort,i=this.availablePageWidth(!1,!0,e),n=this.app.dimensions.maxHeight-this.app.dimensions.padding.height,o=this.isVertical()&&!1==e?n/2:n;this._defaultPageSize=X.contain(t.width,t.height,i,o),this._pageFitArea={width:i,height:n};var s=this.app.dimensions.isFixedHeight?n:this._pageFitArea.height;return this.app.dimensions.isAutoHeight&&!1==this.app.dimensions.isFixedHeight&&(s=Math.floor(this._defaultPageSize.height)),s}},{key:"_getInnerHeight",value:function(){var e=this._calculateInnerHeight();return this.app.dimensions.stage.width=this.app.dimensions.stage.innerWidth+this.app.dimensions.padding.width,this.app.dimensions.stage.height=e+this.app.dimensions.padding.height,e}},{key:"availablePageWidth",value:function(){var e=!(arguments.length>0)||void 0===arguments[0]||arguments[0],t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=arguments.length>2&&void 0!==arguments[2]?arguments[2]:void 0;void 0===i&&(i=this.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE);var n=!0===t?this.app.dimensions.offset.width:0,o=this.app.dimensions.stage.innerWidth+n;return Math.floor((o/=!0===i||this.isVertical()?1:2)*(e?this.app.zoomValue:1))}},{key:"availablePageHeight",value:function(){var e=!(arguments.length>0)||void 0===arguments[0]||arguments[0],t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0;void 0===t&&(t=this.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE);var i=this.app.dimensions.stage.innerHeight;return!1===t&&this.isVertical()&&(i/=2),Math.floor(i*(e?this.app.zoomValue:1))}},{key:"getTextureSize",value:function(e){var t=this.getViewPort(e.pageNumber,!0),i=this.app.options.pixelRatio,n=!1===e.isRestricted?99999:this.app.options.maxTextureSize,o=X.contain(t.width,t.height,Math.min(i*this.availablePageWidth(e.zoom),n),Math.min(i*this.availablePageHeight(e.zoom),n));return{height:o.height,width:o.width}}},{key:"getLeftPageTextureSize",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return e.pageNumber=this.getLeftPageNumber(),this.getTextureSize(e)}},{key:"getRightPageTextureSize",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{};return e.pageNumber=this.getRightPageNumber(),this.getTextureSize(e)}},{key:"filterViewPort",value:function(e,t){var i=!(arguments.length>2)||void 0===arguments[2]||arguments[2];if(void 0!==e){if(!0!=i)return e;var n=e.clone();return n.width=n.width/this.getDoublePageWidthFix(t),n}}},{key:"filterViewPortCanvas",value:function(e,t,i){this.isDoublePageFix(i)&&(e.transform[4]=e.transform[4]-Math.floor(Math.min(t.width,2*e.width-t.width))),e.widthFix=this.isDoubleInternalPage(i)?2:1}},{key:"isClosedPage",value:function(e){return void 0===e&&(e=this.app.currentPageNumber),1===e||e===this.app.jumpStep*Math.ceil(this.app.pageCount/this.app.jumpStep)&&!this.isBooklet}},{key:"isLeftPage",value:function(e){return(void 0===e&&(e=this.app.currentPageNumber),this.isBooklet)?this.isRTL:e%2==(this.isRTL?1:0)}},{key:"cleanPage",value:function(e){if(!this.isDoubleInternalPage(e))return W(j(i.prototype),"cleanPage",this).call(this,e);var t=e+(e%2==1?-1:1);return!1===this.app.provider.requestedPages[e]&&!1===this.app.provider.requestedPages[t]}},{key:"onReady",value:function(){W(j(i.prototype),"onReady",this).call(this)}},{key:"searchPage",value:function(e){return{include:!this.isDoublePageFix(e),label:this.app.provider.getLabelforPage(e)+(this.isDoubleInternalPage(e)?"-"+this.app.provider.getLabelforPage(e+1):"")}}},{key:"isVertical",value:function(){return!1}}]),i}(x),Y=/*#__PURE__*/function(e){q(i,e);var t=Z(i);function i(e){var n;return H(this,i),(n=t.call(this)).zoomStamp="",n.pendingZoomScale=1,n}return V(i,[{key:"resetZoomTexture",value:function(){this.zoomElement&&this.zoomElement.html(""),this.zoomStamp=""}},{key:"resetTexture",value:function(){W(j(i.prototype),"resetTexture",this).call(this),this.resetZoomTexture()}}]),i}(N),J=/*#__PURE__*/function(e){q(i,e);var t=Z(i);function i(e,n){var o;return H(this,i),e.viewerClass="df-zoomview "+(e.viewerClass||""),(o=t.call(this,e,n)).viewer=o.app.viewer,o.events={},o.init(),o.initEvents(),o.left=0,o.top=0,o.zoomUpdateCount=0,o}return V(i,[{key:"init",value:function(){this.leftPage=new Y,this.rightPage=new Y,this.pages.push(this.leftPage),this.pages.push(this.rightPage),this.leftPage.element.addClass("df-page-back"),this.rightPage.element.addClass("df-page-front"),this.wrapper.append(this.leftPage.element),this.wrapper.append(this.rightPage.element),this.bookShadow=K("
",{class:"df-book-shadow"}),this.wrapper.append(this.bookShadow),this.wrapper.addClass("df-sheet")}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],W(j(i.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){this.element.remove()}},{key:"resize",value:function(){var e=this.app.dimensions,t=e.padding,i=this.app.viewer.availablePageHeight(),n=this.app.viewer.availablePageWidth(),o=this.fullWidth=n*(this.app.viewer.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE||this.app.viewer.isVertical()?1:2),s=this.fullHeight=i*(this.app.viewer.isVertical()&&this.app.viewer.pageMode!==p.FLIPBOOK_PAGE_MODE.SINGLE?2:1),a=e.stage.innerWidth,r=e.stage.innerHeight,l=this.shiftHeight=Math.ceil(X.limitAt((s-r)/2,0,s)),h=this.shiftWidth=Math.ceil(X.limitAt((o-a)/2,0,o));if(1===this.app.zoomValue&&(this.left=0,this.top=0),this.element.css({top:-l,bottom:-l,right:-h,left:-h,paddingTop:t.top,paddingRight:t.right,paddingBottom:t.bottom,paddingLeft:t.left,transform:"translate3d("+this.left+"px,"+this.top+"px,0)"}),this.wrapper.css({width:o,height:s,marginTop:e.height-s-t.height>0?(e.height-t.height-s)/2:0}),this.wrapper.height(s).width(o-o%2),!0===this.app.pendingZoom&&this.zoom(),this.app.viewer.annotedPage=null,this.pagesReady(),!0===this.app.options.progressiveZoom){if(this.app.zoomValue>this.app.viewer.pureMaxZoom){if(this.startZoomUpdateRequest(),this.leftPage.zoomElement&&""!=this.leftPage.zoomStamp){var u=this.leftPage.zoomIntersection,c=this.leftSheetHeight/this.leftPage.zoomParentHeight;this.leftPage.zoomElement.css({left:u.left*c,top:u.top*c,width:u.width*c,height:u.height*c}),console.log("Left:"+c+" : "+this.leftPage.zoomElement[0].style.cssText)}if(this.rightPage.zoomElement&&""!=this.rightPage.zoomStamp){var d=this.rightPage.zoomIntersection,f=this.rightSheetHeight/this.rightPage.zoomParentHeight;this.rightPage.zoomElement.css({left:d.left*f,top:d.top*f,width:d.width*f,height:d.height*f}),console.log("Right:"+f+" : "+this.rightPage.zoomElement[0].style.cssText)}}else this.leftPage.resetZoomTexture(),this.rightPage.resetZoomTexture()}}},{key:"zoom",value:function(){var e=this.app;if(e.zoomChanged){var t=e.dimensions.origin,i=e.zoomValueChange;if(1===e.zoomValue)this.left=0,this.top=0;else{this.left*=i,this.top*=i,e.viewer.zoomCenter||(e.viewer.zoomCenter={x:t.x,y:t.y});var n={raw:e.viewer.zoomCenter},o={raw:{}},s=(n.raw.x-t.x)*i,a=(n.raw.y-t.y)*i;o.raw.x=t.x+s,o.raw.y=t.y+a,this.startPoint=o,this.pan(n),this.startPoint=null,e.container.toggleClass("df-zoom-region-active",this.app.zoomValue>this.app.viewer.pureMaxZoom)}}e.viewer.zoomCenter=null}},{key:"reset",value:function(){this.leftPage.resetTexture(),this.rightPage.resetTexture()}},{key:"refresh",value:function(){var e=this.app,t=e.viewer,i=t.getBasePage(),n=t.isBooklet?!e.isRTL:e.isRTL,o=n?this.rightPage:this.leftPage,s=n?this.leftPage:this.rightPage;o.pageNumber=i,s.pageNumber=i+1,o.updateCSS({display:0===i?"none":"block"}),s.updateCSS({display:s.pageNumber>e.pageCount||t.isBooklet?"none":"block"})}},{key:"updateCenter",value:function(){var e=this.app.viewer.isVertical();if(null!==this&&null!==this.app.viewer){var t=1*this.app.viewer.centerShift*(this.app.viewer.isRTL,this.app.viewer.isLeftPage()?e?this.leftSheetHeight:this.leftSheetWidth:e?this.rightSheetHeight:this.rightSheetWidth)/2;e?this.wrapper[0].style.top=t+"px":this.wrapper[0].style.left=t+"px"}}},{key:"isDoubleInternalPage",value:function(e){return this.app.viewer.isDoubleInternalPage(e)}},{key:"pagesReady",value:function(){if(!this.app.viewer.isFlipping()&&(1!==this.app.zoomValue&&this.app.viewer.updatePendingStatusClass(!1),!1===this.app.options.flipbookFitPages)){var e=this.app.viewer.getBasePage(),t=this.leftViewPort=this.app.viewer.getViewPort(e+(this.app.viewer.isBooklet?0:this.app.viewer.isRTL?1:0)),i=this.rightViewPort=this.app.viewer.getViewPort(e+(this.app.viewer.isBooklet?0:this.app.viewer.isRTL?0:1));if(t){var n=X.contain(t.width,t.height,this.app.viewer.availablePageWidth(),this.app.viewer.availablePageHeight());this.leftSheetWidth=Math.floor(n.width),this.leftSheetHeight=Math.floor(n.height),this.leftSheetTop=(this.app.viewer.availablePageHeight()-this.leftSheetHeight)/2,this.topSheetLeft=(this.app.viewer.availablePageWidth()-this.leftSheetWidth)/2,this.app.zoomValue>this.app.viewer.pureMaxZoom&&this.leftPage.contentLayer[0].style.setProperty("--scale-factor",this.leftSheetHeight/t.height)}if(i){var o=X.contain(i.width,i.height,this.app.viewer.availablePageWidth(),this.app.viewer.availablePageHeight());this.rightSheetWidth=Math.floor(o.width),this.rightSheetHeight=Math.floor(o.height),this.rightSheetTop=(this.app.viewer.availablePageHeight()-this.rightSheetHeight)/2,this.bottomSheetLeft=(this.app.viewer.availablePageWidth()-this.rightSheetWidth)/2,this.app.zoomValue>this.app.viewer.pureMaxZoom&&this.rightPage.contentLayer[0].style.setProperty("--scale-factor",this.rightSheetHeight/i.height)}(void 0!=t||void 0!=i)&&(this.totalSheetsWidth=this.leftSheetWidth+this.rightSheetWidth,this.leftPage.element.height(Math.floor(this.leftSheetHeight)).width(Math.floor(this.leftSheetWidth)),this.rightPage.element.height(Math.floor(this.rightSheetHeight)).width(Math.floor(this.rightSheetWidth)),this.app.viewer.isVertical()?(this.leftPage.element.css({transform:"translateX("+Math.floor(this.topSheetLeft)+"px)"}),this.rightPage.element.css({transform:"translateX("+Math.floor(this.bottomSheetLeft)+"px)"})):(this.leftPage.element.css({transform:"translateY("+Math.floor(this.leftSheetTop)+"px)"}),this.rightPage.element.css({transform:"translateY("+Math.floor(this.rightSheetTop)+"px)"})))}}},{key:"textureLoadedCallback",value:function(e){this.getPageByNumber(e.pageNumber),this.pagesReady()}},{key:"mouseUp",value:function(e){W(j(i.prototype),"mouseUp",this).call(this,e),this.startZoomUpdateRequest()}},{key:"setPage",value:function(e){return this.app,this.app.viewer,W(j(i.prototype),"setPage",this).call(this,e)}},{key:"startZoomUpdateRequest",value:function(){this.zoomUpdateStatus=p.REQUEST_STATUS.COUNT}},{key:"checkRequestQueue",value:function(){W(j(i.prototype),"checkRequestQueue",this).call(this),!0===this.app.options.progressiveZoom&&(this.zoomUpdateStatus===p.REQUEST_STATUS.ON?(this.zoomUpdateStatus=p.REQUEST_STATUS.OFF,this.zoomUpdate()):this.zoomUpdateStatus===p.REQUEST_STATUS.COUNT&&(this.zoomUpdateCount++,this.zoomUpdateCount>3&&(this.zoomUpdateCount=0,this.zoomUpdateStatus=p.REQUEST_STATUS.ON)))}},{key:"zoomUpdate",value:function(){this.zoomUpdatePage({pageNumber:this.app.viewer.getRightPageNumber(),refHeight:this.rightSheetHeight}),this.zoomUpdatePage({pageNumber:this.app.viewer.getLeftPageNumber(),refHeight:this.leftSheetHeight})}},{key:"zoomUpdatePage",value:function(e){var t=this.app,i=this.app.options.pixelRatio,n=this.app.viewer,o="",s=this.getPageByNumber(e.pageNumber);if(void 0!==s){var a=X.elementIntersection(t.element,s.element,!0);if(t.zoomValue>n.pureMaxZoom&&a.width*a.height>0){if(!0===DEARFLIP.skipZoom)return;var r=s.pageNumber+"|"+JSON.stringify(a);if(s.zoomStamp==r){console.log("Rendered "+s.pageNumber+" Duplicate zoom request");return}s.zoomStamp=r;var l=t.viewer.getDocumentPageNumber(e.pageNumber),h=t.provider,u=e.pageNumber,p=performance.now();h.pdfDocument.getPage(l).then(function(n){s.element.offset(),e.isRestricted=!1;var c=t.viewer.getRenderContext(n,e);h.viewPorts[l],c.viewport=n.getViewport({scale:e.refHeight*i/h.viewPorts[l].height}),c.canvas.height=a.height*i,c.canvas.width=a.width*i,o=c.canvas.width+"x"+c.canvas.height+" - of("+c.viewport.width.toFixed(2)+"x"+c.viewport.height.toFixed(2)+")",console.log("Page "+u+" rendering - "+c.canvas.width+"x"+c.canvas.height),c.viewport.transform[4]-=a.left*i,c.viewport.transform[5]-=a.top*i,h.requestedPages+=","+e.trace+"["+l+"|"+c.canvas.height+"]",n.cleanupAfterRender=!1,n.render(c).promise.then(function(){var i=X.elementIntersection(t.element,s.element,!0);if(s.zoomStamp!==r){console.log("Faulty zoom texture detected");return}if(s.zoomStamp!==s.pageNumber+"|"+JSON.stringify(i)){console.log("Faulty zoom texture detected - instant");return}if(void 0===s.zoomElement&&(s.zoomElement=K("
"),s.element.append(s.zoomElement)),s.zoomElement.html(""),s.zoomElement.append(c.canvas),s.zoomElement.css({left:a.left,top:a.top,width:a.width,height:a.height}),s.zoomIntersection=a,s.zoomParentHeight=s.element.height(),!0===t.options.cleanupAfterRender){var d=","+e.trace+"["+l+"|"+c.canvas.height+"]";h.requestedPages.indexOf(d)>-1&&(h.requestedPages=h.requestedPages.replace(d,""),-1==h.requestedPages.indexOf("["+l+"|")&&(h.pagesToClean.push(n),h.pagesToClean.length>0&&h.cleanUpPages()))}c=null,console.log("Rendered "+u+" in "+Math.floor(performance.now()-p)+" ms : "+o+" for "+r)}).catch(function(e){console.log(e)})}).catch(function(e){console.log(e)})}}}}]),i}(x),$=/*#__PURE__*/function(){function e(t){H(this,e),this.parentElement=t.parentElement,this.isFlipping=!1,this.isOneSided=!1,this.viewer=t.viewer,this.frontPage=null,this.backPage=null,this.pageNumber=void 0,this.animateToReset=null}return V(e,[{key:"init",value:function(){}},{key:"flip",value:function(){}},{key:"frontImage",value:function(e){this.frontPage.loadTexture({texture:e.texture,callback:e.callback})}},{key:"backImage",value:function(e){this.backPage.loadTexture({texture:e.texture,callback:e.callback})}},{key:"resetTexture",value:function(){this.frontPage.resetTexture(),this.backPage.resetTexture()}},{key:"reset",value:function(){this.animateToReset=null,this.isFlipping=!1,this.currentTween=null,this.pendingPoint=null,this.magnetic=!1,this.skipFlip=!0,this.animateToReset=null,this.viewer.dragPage=null,this.viewer.flipPage=null,this.viewer.corner=p.TURN_CORNER.NONE}}]),e}();function ee(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")}function et(e,t){for(var i=0;i-90?"block":"none":e>=90?"block":"none",transform:("MSd"!==eh.prefix.dom?"":"perspective("+i+"px) ")+(!1===t?"translateY(100%) ":"")+"rotateX("+((!1===t?-180:0)-e)+"deg)"})}else{var n=5*this.element.width();this.wrapper.css({perspective:n,perspectiveOrigin:!0===t?"0% 50%":"100% 50%"}),this.element.addClass("df-folding"),this.backPage.updateCSS({display:!0===t?e<=-90?"block":"none":e<90?"block":"none",transform:("MfS"!==eh.prefix.dom?"":"perspective("+n+"px) ")+(!0===t?"translateX(-100%) ":"")+"rotateY("+((!0===t?180:0)+e)+"deg)"}),this.frontPage.updateCSS({display:!0===t?e>-90?"block":"none":e>=90?"block":"none",transform:("MSd"!==eh.prefix.dom?"":"perspective("+n+"px) ")+(!1===t?"translateX(100%) ":"")+"rotateY("+((!1===t?-180:0)+e)+"deg)"})}}},{key:"updateTween",value:function(e){var t=this.viewer.isBooklet,i=this.side===p.TURN_DIRECTION.RIGHT,n=this.viewer.isRTL,o=!0===this.animateToReset;!0===this.isHard?(this.updateAngle(e.angle,i),this.angle=e.angle):(this.updatePoint({x:e.x,y:e.y}),this.x=e.x,this.y=e.y),t&&!o&&(this.element[0].style.opacity=i&&!n||!i&&n?e.index>.5?2*(1-e.index):1:e.index<.5?2*e.index:1)}},{key:"completeTween",value:function(){!0===this.isHard?(this.updateAngle(this.end.angle),this.backPage.element.css({display:"block"}),this.frontPage.element.css({display:"block"})):this.updatePoint({x:this.end.x,y:this.end.y}),this.element[0].style.opacity=1,!0!==this.animateToReset&&(this.side=this.targetSide),this.reset(),this.viewer.onFlip(),this.viewer.afterFlip(),this.viewer.requestRefresh()}}]),i}($),ep=/*#__PURE__*/function(e){es(i,e);var t=er(i);function i(e,n){var o,s;return ee(this,i),e.viewerClass=null!==(s=e.viewerClass)&&void 0!==s?s:"df-flipbook-2d",e.skipViewerLoaded=!0,(o=t.call(this,e,n)).bookShadow=el("
",{class:"df-book-shadow"}),o.wrapper.append(o.bookShadow),o.corner=p.TURN_CORNER.NONE,n._viewerPrepared(),o}return ei(i,[{key:"init",value:function(){en(eo(i.prototype),"init",this).call(this),this.initEvents(),this.initPages()}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],en(eo(i.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){en(eo(i.prototype),"dispose",this).call(this),this.element.remove()}},{key:"initPages",value:function(){for(var e=0;e0&&void 0!==arguments[0]&&arguments[0],t=this.isVertical(),i=this.centerShift,n=(this.isRTL,this.isLeftPage()?this.leftSheetHeight:this.rightSheetHeight),o=this.isLeftPage()?this.leftSheetWidth:this.rightSheetWidth,s=t?0:i*o/2,a=t?i*n/2:0;this.wrapperShiftX=s,this.wrapperShiftY=a,this.seamPositionY=(this.app.dimensions.padding.heightDiff+this.app.dimensions.containerHeight)/2+a,this.seamPositionX=(-this.app.dimensions.offset.width+this.app.dimensions.containerWidth)/2+s,t?this.wrapper[0].style.top=this.wrapperShiftY+"px":this.wrapper[0].style.left=this.wrapperShiftX+"px",this.wrapper[0].style.transition=e?"none":"",this.zoomViewer.updateCenter()}},{key:"refreshSheet",value:function(e){var t=e.sheet,i=e.sheetNumber;!1===t.isFlipping&&(e.needsFlip?(t.element.addClass("df-flipping"),t.flip()):(t.skipFlip=!1,t.element.removeClass("df-flipping df-quick-turn df-folding df-left-side df-right-side"),t.element.addClass(t.targetSide===p.TURN_DIRECTION.LEFT?"df-left-side":"df-right-side"),t.side=t.targetSide,t.targetSide===p.TURN_DIRECTION.LEFT?this.isVertical()?t.updateSize(this.leftSheetWidth,this.leftSheetHeight,0,this.topSheetLeft):t.updateSize(this.leftSheetWidth,this.leftSheetHeight,this.leftSheetTop,0):this.isVertical()?t.updateSize(this.rightSheetWidth,this.rightSheetHeight,0,this.bottomSheetLeft):t.updateSize(this.rightSheetWidth,this.rightSheetHeight,this.rightSheetTop,0))),t.visible=e.visible,t.isHard?t.element.addClass("df-hard-sheet"):(t.element.removeClass("df-hard-sheet"),t.frontPage.updateCSS({display:"block"}),t.backPage.updateCSS({display:"block"})),t.updateCSS({display:!0===t.visible?"block":"none",zIndex:e.zIndex}),null==t.pendingPoint&&!1===t.isFlipping&&t.resetCSS(),i!==t.pageNumber&&(t.element.attr("number",i),t.backPage.element.attr("pagenumber",t.backPage.pageNumber),t.frontPage.element.attr("pagenumber",t.frontPage.pageNumber))}},{key:"eventToPoint",value:function(e){var t=this.isVertical();e=eh.fixMouseEvent(e);var i,n,o,s,a,r,l,h,u,c,d=this.wrapper[0].getBoundingClientRect(),f=this.is3D,g=this.sheets,m=(this.app.dimensions,{x:e.clientX,y:e.clientY}),v=this.parentElement[0].getBoundingClientRect();m.x=m.x-v.left,m.y=m.y-v.top,i=(c=this.dragSheet?this.dragSheet.side===p.TURN_DIRECTION.RIGHT:t?m.y>this.seamPositionY:m.x>this.seamPositionX)?this.rightSheetWidth:this.leftSheetWidth,s=c?this.rightSheetHeight:this.leftSheetHeight,n=t?i:this.rightSheetWidth+this.leftSheetWidth,o=t?this.leftSheetHeight+this.rightSheetHeight:s,r=c?this.rightSheetTop:this.leftSheetTop,a=t?m.x-(this.seamPositionX-(c?this.rightSheetWidth:this.leftSheetWidth)/2):m.x-(this.seamPositionX-this.leftSheetWidth),r=m.y-(d.top-v.top)-r,l=this.drag===p.TURN_DIRECTION.NONE?an-this.foldSense?p.TURN_DIRECTION.RIGHT:p.TURN_DIRECTION.NONE;var y,b=r,w=this.foldSense;return y=a>=0&&a=0&&b<=w?p.TURN_CORNER.TL:b>=o-w&&b<=o?p.TURN_CORNER.BL:b>w&&b=n-w&&a<=n?b>=0&&b<=w?p.TURN_CORNER.TR:b>=o-w&&b<=o?p.TURN_CORNER.BR:b>w&&b=0&&a<=n&&b>=0&&b<=o,isInsideCorner:y!==p.TURN_CORNER.NONE&&y!==p.TURN_CORNER.L&&y!==p.TURN_CORNER.R,x:f?m.x:a,y:f?m.y:r,fullWidth:n,sheetWidth:i,sheetHeight:s,rawDistance:n-a,distance:l,sheet:h,drag:u,foldSense:this.foldSense,event:e,raw:m,corner:y}}},{key:"pan",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];eh.pan(this,e,t)}},{key:"mouseMove",value:function(e){var t=this.eventToPoint(e);if(null!=e.touches&&2==e.touches.length){this.pinchMove(e);return}1!==this.app.zoomValue&&null!=this.startPoint&&!0===this.canSwipe&&(this.pan(t),e.preventDefault());var i=this.dragSheet||t.sheet;if(null==this.flipPage&&(null!=this.dragSheet||!0===t.isInsideCorner)){null!=this.dragSheet||(t.y=eh.limitAt(t.y,1,this.availablePageHeight()-1),t.x=eh.limitAt(t.x,1,t.fullWidth-1));var 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o=this.dragSheet;if(o.pendingPoint=t,this.drag=t.drag,n&&(!0===t.isInsideCorner||t.isInsideSheet&&this.clickAction===p.MOUSE_CLICK_ACTIONS.NAV))t.corner.indexOf("l")>-1?this.app.openLeft():this.app.openRight();else{var s=this.getBasePage();t.distance>t.sheetWidth/2&&(t.sheet.side===p.TURN_DIRECTION.LEFT?this.app.openLeft():this.app.openRight()),s===this.getBasePage()&&(o.animateToReset=!0,o.flip(t))}this.dragSheet=null,o.magnetic=!1}else n&&!t.sheet.isFlipping&&t.isInsideSheet&&this.clickAction===p.MOUSE_CLICK_ACTIONS.NAV&&("left"===t.sheet.side?this.app.openLeft():this.app.openRight());this.startPoint=null,this.canSwipe=!1,this.drag=p.TURN_DIRECTION.NONE}}},{key:"mouseDown",value:function(e){if(e.touches||0===e.button){if(null!=e.touches&&2==e.touches.length){this.pinchDown(e);return}var t=this.eventToPoint(e);this.startPoint=t,this.lastPosX=t.x,this.lastPosY=t.y,t.isInsideCorner&&null==this.flipPage?(this.dragSheet=t.sheet,this.drag=t.drag,this.corner=t.corner,0===t.sheet.pageNumber?this.bookShadow.css({width:"50%",left:this.app.isRTL?0:"50%",transitionDelay:""}):t.sheet.pageNumber===Math.ceil(this.app.pageCount/2)-1&&this.bookShadow.css({width:"50%",left:this.app.isRTL?"50%":0,transitionDelay:""})):this.canSwipe=!0}}},{key:"onScroll",value:function(e){}},{key:"resetPageTween",value:function(){for(var e=0;e",{class:"df-sheet"});(this.frontPage=new N).element.addClass("df-page-front").appendTo(this.element),(this.backPage=new 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e=this.app.ui.controls;e.pageMode&&e.pageMode.hide()}},{key:"setPageMode",value:function(e){e.isSingle=!0,eg(em(i.prototype),"setPageMode",this).call(this,e)}},{key:"pagesReady",value:function(){if(!this.isFlipping()){var e=0,t=0,i=this.app;this.stackCount;for(var n=[],o=i.currentPageNumber,s=0;sl.pageNumber?(e-=Math.floor(u.width)+10,l.positionX=e):(l.positionX=t,t+=Math.floor(u.width)+10);var p=(this.availablePageHeight()-u.height)/2;l.updateSize(Math.floor(u.width*i.zoomValue),Math.floor(u.height*i.zoomValue),p)}}this.updateCenter(),this.updatePendingStatusClass(),this.app.executeCallback("onPagesReady")}}},{key:"isVertical",value:function(){return!1}}]),i}(ep);function ex(e){if(void 0===e)throw ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function eC(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")}function eT(e,t){for(var i=0;i-1?null:a}var r=null;return"CANVAS"===i.nodeName||"IMG"===i.nodeName?((r=new e.Texture(i)).needsUpdate=!0,eN.loadTexture(r,t,o,n),"function"==typeof s&&s(t,r)):"blank"!==i?(r=null==i?null:eN.textureLoader.load(i,function(e){e.sourceFile=i,eN.loadTexture(e,t,o,n),"function"==typeof s&&s(t,e)},void 0,function(){null==r.image&&eN.loadImage(t,eN.defaults.textureLoadFallback,n,o),eN.loadTextureFailed()}))&&(r.mapping=e.UVMapping):(eN.loadTexture(null,t,o,n),"function"==typeof s&&s(t,r)),0},loadTexture:function(t,i,n,o){if(t){var s=t.image;t.naturalWidth=s.naturalWidth,t.naturalHeight=s.naturalHeight,t.needsUpdate=!0,void 0!=i.textureRotation&&(t.rotation=e.MathUtils.degToRad(i.textureRotation),t.center=i.textureCenter)}null!==t&&"map"===n&&(t.anisotropy=0,eN.defaults.anisotropy>0&&(t.anisotropy=eN.defaults.anisotropy),!0===e.skipPowerOfTwo&&(t.minFilter=e.LinearFilter,t.magFilter=e.LinearFilter),t.name=new Date().toTimeString()),eN.clearTexture(i.material[o][n]),i.material[o][n]=t,"bumpMap"===n&&(i.material[o].bumpScale=i.sheet.getBumpScale(o)),i.material[o].needsUpdate=!0},loadTextureFailed:function(){return null},clearTexture:function(e){if(e){if(e.image&&"CANVAS"===e.image.nodeName){if(e.image.remove)try{e.image.remove()}catch(e){console.log(e)}delete e.image}e=m.disposeObject(e)}}},e.skipPowerOfTwo=!0;var t=/*#__PURE__*/function(t){eR(n,t);var i=e_(n);function n(t){eC(this,n);var o,s=t.width||eN.defaults.width,a=t.height||eN.defaults.height,r=t.color||eN.defaults.color,l=t.segments||eN.defaults.segments,h=t.depth||eN.defaults.depth,u={color:r,flatShading:!1,shininess:t.shininess||eN.defaults.shininess},p=new e.MeshPhongMaterial(u),c=[p,p,p,p,new e.MeshPhongMaterial(u),new e.MeshPhongMaterial(u)];return(o=i.call(this,new 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r.position.set(0,1,0),!1!==t.castShadow&&(r.castShadow=!0,r.shadow.camera.near=200,r.shadow.camera.far=2e3,r.shadow.camera.top=1350,r.shadow.camera.bottom=-1350,r.shadow.camera.left=-1350,r.shadow.camera.right=1350,r.shadow.radius=2,r.shadow.mapSize.width=1024,r.shadow.mapSize.height=1024,r.shadow.needsUpdate=!0),a.add(r),a.animateCount=0,a.renderCount=0,a.camera.position.set(-300,300,300),a.camera.lookAt(new e.Vector3(0,0,0)),s}return ek(o,[{key:"resizeCanvas",value:function(e,t){this.renderer.setSize(e,t),this.camera.aspect=e/t,this.camera.updateProjectionMatrix()}},{key:"render",value:function(){this.animateCount++,this.renderer.render(this,this.camera),null!=this.stats&&this.stats.update()}},{key:"clearMaterials",value:function(){for(var e=this.children.length,t=e-1;t>=0;t--){var i=this.children[t];if(i.baseType&&"Paper"===i.baseType&&i.material){if(i.material.length)for(var n=0;n=0;t--){var i=this.children[t];if(i.children&&i.children.length>0)for(var 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l=document.createElement("div");l.style.WebkitTransformStyle="preserve-3d",l.style.MozTransformStyle="preserve-3d",l.style.oTransformStyle="preserve-3d",l.style.transformStyle="preserve-3d",r.appendChild(l),this.setClearColor=function(){},this.getSize=function(){return{width:t,height:i}},this.setSize=function(e,s){t=e,i=s,n=t/2,o=i/2,r.style.width=e+"px",r.style.height=s+"px",l.style.width=e+"px",l.style.height=s+"px"};var h=function(e){return Math.abs(e)Math.abs(u[0][2].x-0)&&(u[0][2].x=0),h[0][3]=new THREE.Vector3(0,0,-y),u[0][3]=new THREE.Vector3(h[0][3].x-Math.cos(v)*p,0,h[0][3].z+2*y),5e-4>Math.abs(u[0][3].x-0)&&(u[0][3].x=0);for(var b=0;b<1;b++){var w=Math.max(this.segments-1,1);s[b]=new THREE.CubicBezierCurve3(h[b][0],h[b][1],h[b][2],h[b][3]),r[b]=s[b].getPoints(w),w>2&&r[b].push(new THREE.Vector3().copy(r[b][w]));for(var P=void 0,S=r[b][0],E=1;E2&&l[b].push(new THREE.Vector3().copy(l[b][w]))}var x=this.element.geometry;if(void 0!==x.attributes){var C=x.attributes.position,T=x.attributes.uv,k=i+1;C.setZ(0,r[0][i].z),C.setZ(2,r[0][i].z),C.setX(0,r[0][i].x),C.setX(2,r[0][i].x),C.setZ(1,l[0][i].z),C.setZ(3,l[0][i].z),C.setX(1,l[0][i].x),C.setX(3,l[0][i].x),C.setZ(5,r[0][0].z),C.setZ(7,r[0][0].z),C.setX(5,r[0][0].x),C.setX(7,r[0][0].x),C.setZ(4,l[0][0].z),C.setZ(6,l[0][0].z),C.setX(4,l[0][0].x),C.setX(6,l[0][0].x);for(var O=0;O<1;O++)for(var R=0;R90,a=i.viewer.isRTL,r=s?i.backPage.pageNumber:i.frontPage.pageNumber,l=this.viewer.getViewPort(r);l&&(l=eW.contain(l.width,l.height,i.viewer.availablePageWidth(),i.viewer.availablePageHeight()));var h=-(i.viewer.has3DCover&&i.viewer.isClosedPage()?i.viewer.coverExtraWidth:0),u=-(i.viewer.has3DCover&&i.viewer.isClosedPage()?i.viewer.coverExtraHeight:0);i.init={angle:e,height:s?i.viewer.rightSheetHeight:i.viewer.leftSheetHeight,width:s?i.viewer.rightSheetWidth:i.viewer.leftSheetWidth,index:s&&!a||!s&&a?1:0,_index:0},i.first={angle:e+o/4,index:s&&!a||!s&&a?1:.25},i.mid={angle:e+2*o/4,index:.5},i.mid2={angle:e+3*o/4,index:s&&!a||!s&&a?.25:1},i.end={angle:t,index:s&&!a||!s&&a?0:1,height:u+(l?l.height:i.height),width:h+(l?l.width:i.width)},i.isFlipping=!0;var p=function(e){i.sheetAngle=e.angle,i.curveAngle=i.isHard?e.angle:eW.getCurveAngle(s,e.angle),!0===i.isHard?(i.flexibility=0,i.isCover&&i.viewer.flipCover(i)):i.flexibility=e.angle<90?i.leftFlexibility:i.rightFlexibility,i.element.position.z=(e.angle<90?i.leftPos:i.rightPos)+i.depth,n&&(i.element.material[5].opacity=i.element.material[4].opacity=e.index,i.element.castShadow=e.index>.5),i.height=e.height,i.width=e.width,i.updateAngle(!0)};n&&(!s&&!a||s&&a)&&(i.element.material[5].opacity=i.element.material[4].opacity=0,i.element.castShadow=!1),i.currentTween=new 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o,s,a,r,l;return eA(this,i),e.viewerClass="df-flipbook-3d",(o=t.call(this,e,n)).pageOffset=5,o.spiralCount=20,o.groundDistance=null!==(s=e.groundDistance)&&void 0!==s?s:2,o.hasSpiral="true"===e.hasSpiral||!0===e.hasSpiral,o.flexibility=eW.limitAt(null!==(a=e.flexibility)&&void 0!==a?a:.9,0,10),o.hasSpiral&&(o.flexibility=0),0===o.flexibility&&(e.sheetSegments=8),o.drag3D=eW.isTrue(e.drag3D),o.texturePowerOfTwo=!eW.isMobile&&(null===(r=e.texturePowerOfTwo)||void 0===r||r),o.color3DSheets=null!==(l=o.app.options.color3DSheets)&&void 0!==l?l:"white",o.midPosition=0,o.initMOCKUP(function(){n._viewerPrepared()}),o}return ez(i,[{key:"initMOCKUP",value:function(e){var t=this.app;"undefined"==typeof THREE?(t.updateInfo(t.options.text.loading+" WEBGL 3D ..."),"function"==typeof window.define&&window.define.amd&&window.requirejs?(window.requirejs.config({paths:{three:t.options.threejsSrc.replace(".js","")},shim:{three:{exports:"THREE"}}}),window.require(["three"],function(t){return window.THREE=t,eN.init(),"function"==typeof e&&e(),t})):"function"==typeof window.define&&window.define.amd?window.require(["three",t.options.threejsSrc.replace(".js","")],function(t){t(function(){eN.init(),"function"==typeof e&&e()})}):eW.getScript(t.options.threejsSrc+"?ver="+p.version,function(){eN.init(),"function"==typeof e&&e()},function(){t.updateInfo("Unable to load THREE.js...")})):(eN.init(),"function"==typeof e&&e())}},{key:"init",value:function(){var e=this.app;eD(eF(i.prototype),"init",this).call(this),e.provider.defaultPage.pageRatio,this.pageScaleX=1,this.initDepth(),this.initStage(),this.initPages(),this.initEvents(),this.render()}},{key:"updatePageMode",value:function(){eD(eF(i.prototype),"updatePageMode",this).call(this);var e=this.app;this.has3DCover=e.options.cover3DType!==p.FLIPBOOK_COVER_TYPE.NONE&&e.pageCount>7&&!this.isBooklet,this.has3DCover&&"none"===e.options.flipbookHardPages&&(e.options.flipbookHardPages="cover")}},{key:"initDepth",value:function(){var e,t;this.sheetDepth=this.pageScaleX*(null!==(e=this.app.options.sheetDepth)&&void 0!==e?e:.5),this.sheetSegments=null!==(t=this.app.options.sheetSegments)&&void 0!==t?t:20,this.coverDepth=2*this.sheetDepth,this.sheetsDepth=Math.min(10,this.app.pageCount/4)*this.sheetDepth}},{key:"initStage",value:function(){var e=this.stage=new eN.Stage({pixelRatio:this.app.options.pixelRatio});(e.canvas=eV(e.renderer.domElement).addClass("df-3dcanvas")).appendTo(this.element),e.camera.position.set(0,0,600),e.camera.lookAt(new THREE.Vector3(0,0,0)),this.camera=e.camera,e.spotLight.position.set(-220,220,550),e.spotLight.castShadow=!eW.isMobile&&this.app.options.has3DShadow,e.spotLight.shadow&&(e.spotLight.shadow.bias=-.005),e.ambientLight.color=new THREE.Color("#fff"),e.ambientLight.intensity=.82;var t=new THREE.ShadowMaterial;t.opacity=this.app.options.shadowOpacity,e.ground.oldMaterial=e.ground.material,e.ground.material=t,e.ground.position.z=this.has3DCover?-6:-4,e.selectiveRendering=!0;var i=e.cssRenderer=new THREE.CSS3DRenderer;eV(i.domElement).css({position:"absolute",top:0,pointerEvents:"none"}).addClass("df-3dcanvas df-csscanvas"),this.element[0].appendChild(i.domElement),e.cssScene=new THREE.Scene,this.wrapper.remove(),this.wrapper=new THREE.Group,this.stage.add(this.wrapper),this.wrapper.add(e.ground),this.bookWrapper=new THREE.Group,this.bookWrapper.name="bookwrapper",this.wrapper.add(this.bookWrapper),this.bookHelper=e.bookHelper=new THREE.BoxHelper(this.bookWrapper,16776960),e.add(this.bookHelper),this.bookHelper.visible=!1,this.cameraWrapper=new THREE.Group,this.cameraWrapper.add(e.camera),e.add(this.cameraWrapper),this.app.renderRequestStatus=p.REQUEST_STATUS.ON}},{key:"initPages",value:function(){for(var e={parent3D:this.bookWrapper,viewer:this,segments:this.sheetSegments,depth:this.sheetDepth,flexibility:this.flexibility},t=0;t0&&void 0!==arguments[0]&&arguments[0]}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],eD(eF(i.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){eD(eF(i.prototype),"dispose",this).call(this),this.stage&&(this.stage.clearChild(),this.stage.cssRenderer.domElement.parentNode.removeChild(this.stage.cssRenderer.domElement),this.stage.cssRenderer=null,this.stage.orbitControl=eW.disposeObject(this.stage.orbitControl),this.stage.renderer=eW.disposeObject(this.stage.renderer),eV(this.stage.canvas).remove(),this.stage.canvas=null,this.stage=eW.disposeObject(this.stage)),this.centerTween&&this.centerTween.stop&&this.centerTween.stop()}},{key:"render",value:function(){this.stage.render(),this.stage.cssRenderer.render(this.stage.cssScene,this.stage.camera)}},{key:"resize",value:function(){eD(eF(i.prototype),"resize",this).call(this);var e=this,t=e.app,n=e.stage,o=t.dimensions;o.padding,e.isSingle;var s=this.availablePageWidth(),a=this.availablePageHeight();n.resizeCanvas(o.stage.width,o.stage.height),n.cssRenderer.setSize(o.stage.width,o.stage.height),this.pageScaleX=Math.max(Math.max(s,a)/400,1),this.initDepth(),this.sheets.forEach(function(t){t.depth=e.sheetDepth}),t.refreshRequestStart();var r=this.refSize=Math.min(a,s);this.coverExtraWidth=(e.isVertical()?2:1)*r*.025,this.coverExtraHeight=(e.isVertical()?1:2)*r*.025,!0!==this.has3DCover&&(this.coverExtraWidth=0,this.coverExtraHeight=0),e.zoomViewer.resize(),e.cameraPositionDirty=!0,e.centerNeedsUpdate=!0,e.checkCenter(!0),e.pagesReady(),this.pageOffset=(this.hasSpiral?6:0)*Math.min(this._defaultPageSize.width,this._defaultPageSize.height)/1e3}},{key:"fitCameraToCenteredObject",value:function(e,t,i,n){var o=new THREE.Box3;o.setFromObject(t),new THREE.Vector3;var s=new THREE.Vector3;o.getSize(s);var a=this.coverExtraHeight,r=2*this.coverExtraWidth;this.isClosedPage()&&(r=0,a=0),s.x=s.x-r+this.app.dimensions.padding.width,s.y=s.y-a+this.app.dimensions.padding.height;var l=e.fov*(Math.PI/180),h=2*Math.atan(Math.tan(l/2)*e.aspect),u=Math.max(s.z/2+Math.abs(s.x/2/Math.tan(h/2)),s.z/2+Math.abs(s.y/2/Math.tan(l/2)));void 0!==i&&0!==i&&(u*=i),e.position.set(0,0,u);var p=o.min.z,c=p<0?-p+u:u-p;e.far=3*c,e.updateProjectionMatrix(),void 0!==n&&(n.target=new THREE.Vector3(0,0,0),n.maxDistance=2*c)}},{key:"updateShadowSize",value:function(){}},{key:"refresh",value:function(){var e=this.app,t=this.getBasePage();this.refreshRequested=!0;var n=1/e.pageCount*t,o=this.isRTL?1-n:n,s=Math.min(this.stackCount,this.totalSheets),a=eW.limitAt(this.totalSheets,this.stackCount,2*this.stackCount),r=this.isBooklet?0:this.flexibility/a;this.leftFlexibility=r*(1-o),this.rightFlexibility=r*o,this.midPosition=.5*s*this.sheetDepth,eD(eF(i.prototype),"refresh",this).call(this);var l=!0===this.has3DCover;this.leftCover.element.visible=this.rightCover.element.visible=this.leftSheets.element.visible=this.rightSheets.element.visible=l,this.wrapper.position.z=-this.midPosition;var h=0,u=0,p=this.isRTL,c=this.isFirstPage(),d=this.isLastPage(),f=this.isLeftClosed=this.isClosedPage()&&(p&&d||!p&&c),g=this.isRightClosed=this.isClosedPage()&&(!p&&d||p&&c);if(l){this.leftSheets.depth=p?this.sheetsDepth*(1-this.getBasePage()/e.pageCount):this.sheetsDepth*t/e.pageCount,this.leftSheets.element.visible=p?e.pageCount-this.getBasePage()>2:t>2,h-=this.leftSheets.depth/2,this.leftSheets.element.position.z=h,h-=this.coverDepth+(this.leftSheets.element.visible?this.leftSheets.depth/2:0)+3*this.coverDepth,this.leftCover.depth=this.rightCover.depth=this.coverDepth;var m=Math.max(this.leftSheetHeight,this.rightSheetHeight);g&&(m=this.leftSheetHeight),f&&(m=this.rightSheetHeight),!0!==this.leftCover.isFlipping&&(this.leftCover.element.position.z=f?this.midPosition+this.coverDepth:h+this.coverDepth/2,this.leftCover.element.position.z=Math.max(this.leftCover.element.position.z,-(.05*this.refSize)),this.leftCover.element.position.x=0,this.leftSheets.sheetAngle=this.leftCover.sheetAngle=f?180:0,this.leftSheets.curveAngle=this.leftCover.curveAngle=f?180:0,!0===this.rightCover.isFlipping||(this.leftCover.height=m,this.leftCover.width=this.leftCover.sheetAngle<90?this.leftSheetWidth:this.rightSheetWidth,this.isClosedPage()||(this.leftCover.width+=this.coverExtraWidth,this.leftCover.height+=this.coverExtraHeight)),this.leftSheets.updateAngle(),this.leftCover.updateAngle()),this.rightSheets.depth=this.sheetsDepth-this.leftSheets.depth,this.rightSheets.element.visible=p?t>2:e.pageCount-this.getBasePage()>2,u-=this.rightSheets.depth/2,this.rightSheets.element.position.z=u,u-=this.coverDepth+(this.rightSheets.element.visible?this.rightSheets.depth/2:0)+3*this.coverDepth,!0!==this.rightCover.isFlipping&&(this.rightCover.element.position.z=g?this.midPosition+this.coverDepth:u+this.coverDepth/2,this.rightCover.element.position.z=Math.max(this.rightCover.element.position.z,-(.05*this.refSize)),this.rightCover.element.position.x=0,this.rightSheets.sheetAngle=this.rightCover.sheetAngle=g?0:180,this.rightSheets.curveAngle=this.rightCover.curveAngle=g?0:180,!0===this.leftCover.isFlipping||(this.rightCover.height=m,this.rightCover.width=this.rightCover.sheetAngle<90?this.leftSheetWidth:this.rightSheetWidth,this.isClosedPage()||(this.rightCover.width+=this.coverExtraWidth,this.rightCover.height+=this.coverExtraHeight)),this.rightSheets.updateAngle(),this.rightCover.updateAngle()),this.updateSheets(),this.stage.ground.position.z=Math.min(h,u)-this.refSize*this.groundDistance/100,this.stage.ground.position.z=Math.max(this.stage.ground.position.z,-(.1*this.refSize))}else this.stage.ground.position.z=-this.midPosition-15*this.sheetDepth;!0===this.cameraPositionDirty&&this.updateCameraPosition(),this.refreshSpiral()}},{key:"refreshSpiral",value:function(){}},{key:"updateCameraPosition",value:function(){var e=this.app,t=this.stage,i=e.dimensions,n=i.padding,o=1/(2*Math.tan(Math.PI*t.camera.fov*.5/180)/(i.stage.height/e.zoomValue))+2.2;this.updateShadowSize(),this.stage.spotLight.position.x=-(330*this.pageScaleX),this.stage.spotLight.position.y=330*this.pageScaleX,this.stage.spotLight.position.z=550*this.pageScaleX,this.stage.spotLight.shadow.camera.far=1200*this.pageScaleX,this.stage.spotLight.shadow.camera.updateProjectionMatrix();var s=(n.top-n.bottom)/e.zoomValue/2,a=-(n.left-n.right)/e.zoomValue/2;t.camera.position.z!==o&&!0===e.pendingZoom&&(t.camera.position.z=o),1===e.zoomValue&&(this.bookWrapper.rotation.set(0,0,0),this.bookHelper.rotation.set(0,0,0),this.cameraWrapper.rotation.set(0,0,0),0!==e.options.flipbook3DTiltAngleUp||0!==e.options.flipbook3DTiltAngleLeft?(t.camera.aspect=i.stage.width/i.stage.height,t.camera.updateProjectionMatrix(),this.bookWrapper.rotateZ(THREE.Math.degToRad(-e.options.flipbook3DTiltAngleLeft)),this.bookWrapper.rotateX(THREE.Math.degToRad(-e.options.flipbook3DTiltAngleUp)),this.isVertical()?this.bookWrapper.scale.y=1/(this.isSingle?2:1):this.bookWrapper.scale.x=1/(this.isSingle?2:1),this.bookHelper.update(),this.fitCameraToCenteredObject(t.camera,this.bookWrapper),this.bookWrapper.rotation.set(0,0,0),this.bookWrapper.scale.x=1,this.bookWrapper.scale.y=1,t.camera.position.set(a,s,t.camera.position.z+t.ground.position.z),this.camera.aspect=i.stage.width/i.stage.height,this.camera.updateProjectionMatrix(),this.cameraWrapper.rotateX(THREE.Math.degToRad(e.options.flipbook3DTiltAngleUp)),this.cameraWrapper.rotateZ(THREE.Math.degToRad(e.options.flipbook3DTiltAngleLeft))):t.camera.position.set(a,s,o)),t.camera.updateProjectionMatrix(),this.app.renderRequestStatus=p.REQUEST_STATUS.ON,this.cameraPositionDirty=!1}},{key:"refreshSheet",value:function(e){var t,i=e.sheet,n=e.index,o=i.sheetAngle,s=!(i.isHard||0===this.flexibility);i.leftFlexibility=s?this.leftFlexibility:0,i.rightFlexibility=s?this.rightFlexibility:0,i.leftPos=this.midPosition+(n-e.midPoint+1)*this.sheetDepth-this.sheetDepth/2,i.rightPos=this.midPosition-(n-e.midPoint)*this.sheetDepth-this.sheetDepth/2,t=i.targetSide===p.TURN_DIRECTION.LEFT?0:180,!1===i.isFlipping&&(e.needsFlip?(i.isFlipping=!0,i.isCover&&0===e.sheetNumber&&(this.isRTL?this.rightCover.isFlipping=!0:this.leftCover.isFlipping=!0),i.isCover&&this.totalSheets-e.sheetNumber==1&&(this.isRTL?this.leftCover.isFlipping=!0:this.rightCover.isFlipping=!0),i.element.position.z=Math.max(o<90?i.leftPos:i.rightPos,this.midPosition)+this.sheetDepth,i.flexibility=o<90?i.leftFlexibility:i.rightFlexibility,i.flip(o,t)):(i.skipFlip=!1,i.sheetAngle=i.curveAngle=t,i.flexibility=t<90?i.leftFlexibility:i.rightFlexibility,i.element.position.z=t<90?i.leftPos:i.rightPos,i.side=i.targetSide,i.height=t<90?this.leftSheetHeight:this.rightSheetHeight,i.width=t<90?this.leftSheetWidth:this.rightSheetWidth),i.updateAngle(),this.app.renderRequestStatus=p.REQUEST_STATUS.ON),i.element.visible=e.visible}},{key:"updateCenter",value:function(){var e=this,t=this.app,i=this.isVertical(),n=i?e.wrapper.position.y:e.wrapper.position.x,o=(this.isVertical()?-1:1)*e.centerShift*(this.isLeftPage()?i?this.leftSheetHeight:this.leftSheetWidth:i?this.rightSheetHeight:this.rightSheetWidth)/2;e.seamPositionY=(t.dimensions.padding.heightDiff+t.dimensions.containerHeight)/2-o,e.seamPositionX=(-t.dimensions.offset.width+t.dimensions.containerWidth)/2+o,o!==e.centerEnd&&(e.centerTween&&e.centerTween.stop&&e.centerTween.stop(),e.onCenterStartAnimation(this),e.centerTween=new TWEEN.Tween({x:n}).delay(0).to({x:o},1===t.zoomValue&&!0!==e.skipCenterAnimation?e.app.options.duration:1).onStart(function(){}).onUpdate(function(){e.onCenterUpdateAnimation(this)}).onComplete(function(){e.onCenterCompleteAnimation(this)}).onStop(function(){e.onCenterStopAnimation(this)}).easing(TWEEN.Easing.Cubic.InOut).start(),this.updatePendingStatusClass(),e.skipCenterAnimation=!1,e.centerEnd=o),e.renderRequestStatus=p.REQUEST_STATUS.ON,this.zoomViewer.updateCenter()}},{key:"onCenterUpdateAnimation",value:function(e){this.isVertical()?(this.wrapper.position.y=e.x,this.stage&&this.stage.cssScene&&(this.stage.cssScene.position.y=e.x)):(this.wrapper.position.x=e.x,this.stage&&this.stage.cssScene&&(this.stage.cssScene.position.x=e.x))}},{key:"onCenterStartAnimation",value:function(e){}},{key:"onCenterStopAnimation",value:function(e){}},{key:"onCenterCompleteAnimation",value:function(e){}},{key:"flipCover",value:function(e){var t,i,n=null;0===e.pageNumber||this.isBooklet&&1===e.pageNumber?(n=this.isRTL?this.rightCover:this.leftCover,t=this.isRTL?1:-1):e.pageNumber===this.totalSheets-1&&(n=this.isRTL?this.leftCover:this.rightCover,t=this.isRTL?-1:1),null!==n&&(i=n.depth+e.depth+1,n.sheetAngle=e.sheetAngle,n.curveAngle=e.curveAngle,this.rightCover.height=this.leftCover.height=e.height+this.coverExtraHeight,this.rightCover.width=this.leftCover.width=e.width+this.coverExtraWidth,n.flexibility=e.flexibility,this.rightCover.updateAngle(),this.leftCover.updateAngle(),n.element.position.x=e.element.position.x+t*Math.sin(e.sheetAngle*Math.PI/180)*i,n.element.position.z=e.element.position.z+t*Math.cos(e.sheetAngle*Math.PI/180)*i)}},{key:"pagesReady",value:function(){if(!this.isAnimating()&&!0===this.refreshRequested){if(!1===this.app.options.flipbookFitPages){var e=this.app.viewer.getBasePage(),t=this.leftViewport=this.getViewPort(e+(this.isBooklet?0:this.isRTL?1:0)),i=this.rightViewPort=this.getViewPort(e+(this.isBooklet?0:this.isRTL?0:1));if(t){var n=eW.contain(t.width,t.height,this.availablePageWidth(),this.availablePageHeight());(this.leftSheetWidth!=Math.floor(n.width)||this.leftSheetHeight!=Math.floor(n.height))&&(this.cameraPositionDirty=!0),this.leftSheetWidth=Math.floor(n.width),this.leftSheetHeight=Math.floor(n.height)}if(i){var o=eW.contain(i.width,i.height,this.availablePageWidth(),this.availablePageHeight());(this.rightSheetWidth!=Math.floor(o.width)||this.rightSheetWidth!=Math.floor(o.height))&&(this.cameraPositionDirty=!0),this.rightSheetWidth=Math.floor(o.width),this.rightSheetHeight=Math.floor(o.height)}for(var s=0;s2){!0!==this.isDragging&&(this.updatePendingStatusClass(!0),this.isDragging=!0);var i=this.dragSheet.width,n=t.x-(this.app.dimensions.origin.x+this.centerEnd-i),o=eW.limitAt(1-n/i,-1,1),s=eW.toDeg(Math.acos(o)),a=this.dragSheet,r=this.drag===p.TURN_DIRECTION.LEFT;a.sheetAngle=s;var l=eW.getCurveAngle(r,s,45);a.isCover&&a.viewer.flipCover(a),a.curveAngle=a.isHard?s:l,a.updateAngle()}this.checkSwipe(t,e)}},{key:"mouseUp",value:function(e){if((e=eW.fixMouseEvent(e)).touches||0===e.button){if(null==this.dragSheet&&null!=e.touches&&0===e.touches.length){this.pinchUp(e);return}var t=this.eventToPoint(e);if(1===this.app.zoomValue){if(null!==this.dragSheet){var i=t.x-this.startPoint.x;Math.abs(i)>2*this.swipeThreshold&&(this.drag===p.TURN_DIRECTION.LEFT&&i>0?this.app.openLeft():this.drag===p.TURN_DIRECTION.RIGHT&&i<0&&this.app.openRight()),this.requestRefresh(),this.updatePendingStatusClass()}var n=e.target||e.originalTarget,o=this.startPoint&&t.x===this.startPoint.x&&t.y===this.startPoint.y&&"A"!==n.nodeName;!0===e.ctrlKey&&o?this.zoomOnPoint(t):o&&t.sheet&&this.clickAction===p.MOUSE_CLICK_ACTIONS.NAV&&(t.sheet.sheetAngle>90?this.app.openRight():this.app.openLeft())}this.dragSheet=null,this.drag=null,!0===this.isDragging&&(this.isDragging=!1),this.startPoint=null,this.canSwipe=!1,this.app.renderRequestStatus=p.REQUEST_STATUS.ON}}},{key:"raycastCLick",value:function(e){this.mouse=new THREE.Vector2,this.raycaster=new THREE.Raycaster,this.mouse.x=e.offsetX/this.app.dimensions.stage.width*2-1,this.mouse.y=1-e.offsetY/this.app.dimensions.stage.height*2,this.raycaster.setFromCamera(this.mouse,this.camera);var t=this.raycaster.intersectObjects(this.bookWrapper.children,!0);if(t.length>0){var i,n=0;do{if((i=null!=t[n]?t[n].object:null).sheet&&i.sheet.index&&!0!==i.sheet.isFlipping)return i;n++}while(nn&&i.xs&&i.y2&&void 0!==arguments[2]&&arguments[2];var i=this.externalLinkTarget,n=this.externalLinkRel,o=this.externalLinkEnabled;if(!t||"string"!=typeof t)throw Error('A valid "url" parameter must provided.');var s=(0,e1.removeNullCharacters)(t);o?e.href=e.title=s:(e.href="",e.title="Disabled: ".concat(s),e.onclick=function(){return!1});var a="";switch(i){case p.LINK_TARGET.NONE:break;case p.LINK_TARGET.SELF:a="_self";break;case p.LINK_TARGET.BLANK:a="_blank";break;case p.LINK_TARGET.PARENT:a="_parent";break;case p.LINK_TARGET.TOP:a="_top"}e.target=a,e.rel="string"==typeof n?n:"noopener noreferrer nofollow"}},{key:"goToDestination",value:function(e){var t,i="",n=this,o=function(t){e1.log("Requested: ",t);var s=t instanceof Object?n._pagesRefCache[t.num+" "+t.gen+" R"]:t+1;s?((s=n.pdfApp.viewer.getViewerPageNumber(s))>n.pdfApp.pageCount&&(s=n.pdfApp.pageCount),e1.log("Loading for:",t," at page ",s),n.pdfApp.requestDestRefKey===t.num+" "+t.gen+" R"?(n.pdfApp.gotoPage(s),n.pdfHistory&&n.pdfHistory.push({dest:e,hash:i,page:s})):e1.log("Expired Request for ",s," with ",t)):(n.pdfApp.container.addClass("df-fetch-pdf"),n.pdfDocument.getPageIndex(t).then(function(e){var i=t.num+" "+t.gen+" R";n._pagesRefCache[i]=e+1,o(t)}))};"string"==typeof e?(i=e,t=this.pdfDocument.getDestination(e)):t=Promise.resolve(e),t.then(function(t){e1.log("Started:",t),e=t,t instanceof Array&&(n.pdfApp.requestDestRefKey=t[0].num+" "+t[0].gen+" R",o(t[0]))})}},{key:"customNavigateTo",value:function(e){if(""!==e&&null!=e&&"null"!==e){var t=null;if(isNaN(Math.floor(e))){if("string"==typeof e&&isNaN(t=parseInt(e.replace("#",""),10))){window.open(e,this.pdfApp.options.linkTarget===p.LINK_TARGET.SELF?"_self":"_blank");return}}else t=e;null!=t&&this.pdfApp.gotoPage(t)}}},{key:"getDestinationHash",value:function(e){if("string"==typeof e)return this.getAnchorUrl("#"+escape(e));if(e instanceof Array){var t=e[0],i=t instanceof Object?this._pagesRefCache[t.num+" "+t.gen+" R"]:t+1;if(i){var n=this.getAnchorUrl("#page="+i),o=e[1];if((void 0===o?"undefined":e$(o))==="object"&&"name"in o&&"XYZ"===o.name){var s=e[4]||this.pdfApp.pageScaleValue,a=parseFloat(s);a&&(s=100*a),n+="&zoom="+s,(e[2]||e[3])&&(n+=","+(e[2]||0)+","+(e[3]||0))}return n}}return this.getAnchorUrl("")}},{key:"getCustomDestinationHash",value:function(e){return"#"+escape(e)}},{key:"getAnchorUrl",value:function(e){return(this.baseUrl||"")+e}},{key:"executeNamedAction",value:function(e){switch(e){case"GoBack":this.pdfHistory&&this.pdfHistory.back();break;case"GoForward":this.pdfHistory&&this.pdfHistory.forward();break;case"NextPage":this.page++;break;case"PrevPage":this.page--;break;case"LastPage":this.page=this.pagesCount;break;case"FirstPage":this.page=1}var t=document.createEvent("CustomEvent");t.initCustomEvent("namedaction",!0,!0,{action:e}),this.pdfApp.container.dispatchEvent(t)}},{key:"cachePageRef",value:function(e,t){var i=t.num+" "+t.gen+" R";this._pagesRefCache[i]=e}}]),e}(),e3=/*#__PURE__*/function(){function e(t,i){eK(this,e),this.props=t,this.app=i,this.textureCache=[],this.pageCount=0,this.numPages=0,this.outline=[],this.viewPorts=[],this.requestedPages="",this.requestIndex=0,this.pagesToClean=[],this.defaultPage=void 0,this.pageSize=this.app.options.pageSize,this._page1Pass=!1,this._page2Pass=!1,this.pageLabels=void 0,this.textSearchLength=0,this.textSearch="",this.textContentSearch=[],this.textContentJoinedSearch=[],this.textOffsetSearch=[],this.textContent=[],this.textContentJoined=[],this.textOffset=[],this.autoLinkItemsCache=[],this.autoLinkHitsCache=[],this.searchHitItemsCache=[],this.searchHits=[],this.PDFLinkItemsCache=[],this.canPrint=!0,this.textPostion=[],this.renderTime=0}return eQ(e,[{key:"finalize",value:function(){}},{key:"dispose",value:function(){}},{key:"softDispose",value:function(){}},{key:"setCache",value:function(e,t,i){i&&(void 0===this.textureCache[i]&&(this.textureCache[i]=[]),this.textureCache[i][e]=t)}},{key:"getCache",value:function(e,t){return void 0===this.textureCache[t]?void 0:this.textureCache[t][e]}},{key:"_isValidPage",value:function(e){return e>0&&e<=this.pageCount}},{key:"getLabelforPage",value:function(e){return this.pageLabels&&void 0!==this.pageLabels[e-1]?this.pageLabels[e-1]:e}},{key:"getThumbLabel",value:function(e){var t=this.getLabelforPage(e);return t!==e?t+" ("+e+")":e}},{key:"getPageNumberForLabel",value:function(e){if(!this.pageLabels)return e;var t=this.pageLabels.indexOf(e);return t<0?null:t+1}},{key:"processPage",value:function(e){}},{key:"cleanUpPages",value:function(){}},{key:"checkRequestQueue",value:function(){}},{key:"processAnnotations",value:function(){}},{key:"processTextContent",value:function(){}},{key:"loadDocument",value:function(){}},{key:"pagesLoaded",value:function(){this._page1Pass&&this._page2Pass&&(this.app.viewer.checkDocumentPageSizes(),this.finalize())}},{key:"_documentLoaded",value:function(){this.finalizeOutLine(),this.app&&this.app.dimensions&&void 0===this.app.dimensions.pageFit&&e1.log("Provider needs to initialize page properties for the app"),this.app._documentLoaded()}},{key:"finalizeOutLine",value:function(){if(null!==this.app&&null!==this.app.options){var e=this.app.options.outline;if(e)for(var t=0;t1||t.options.pdfjsSrc.indexOf("pdfjs-5")>1)):"function"==typeof e&&e()}},{key:"dispose",value:function(){this.pdfDocument&&this.pdfDocument.destroy(),this.linkService=e1.disposeObject(this.linkService),this.pdfLoadProgress&&this.pdfLoadProgress.destroy(),this.pdfLoadProgress=null,this.pdfDocument=null}},{key:"loadDocument",value:function(){var e=this.app,t=this.app.options,i=this,n=t.pdfParameters||{};if(n.url=e1.httpsCorrection(n.url||t.source),n.rangeChunkSize=t.rangeChunkSize,n.cMapPacked=!0,n.disableAutoFetch=t.disableAutoFetch,n.disableStream=t.disableStream,n.disableRange=!0===t.disableRange,n.disableFontFace=t.disableFontFace,n.isEvalSupported=!1,n.cMapUrl=t.cMapUrl,n.imagesLocation=t.imagesLocation,n.imageResourcesPath=t.imageResourcesPath,!n.url&&!n.data&&!n.range){e.updateInfo("ERROR : No PDF File provided! ","df-error");return}var o=i.pdfLoadProgress=pdfjsLib.getDocument(n);o._worker.promise.then(function(t){e.updateInfo(e.options.text.loading+" PDF ...")}),o.onPassword=function(e,t){switch(t){case pdfjsLib.PasswordResponses.NEED_PASSWORD:var i=prompt("Enter the password to open the PDF file.");if(null===i)throw Error("No password givsen.");e(i);break;case pdfjsLib.PasswordResponses.INCORRECT_PASSWORD:var i=prompt("Invalid password. Please try again.");if(!i)throw Error("No password givaen.");e(i)}},o.promise.then(function(n){i.pdfDocument=n,n.getPage(1).then(function(o){i.defaultPage=o;var s,a=i.defaultPage.viewPort=o.getViewport({scale:1,rotation:o._pageInfo.rotate+e.options.pageRotation}),r=i.defaultPage.pageRatio=a.width/a.height;i.viewPorts[1]=a,e.dimensions.defaultPage={ratio:r,viewPort:a,width:a.width,height:a.height},e.dimensions.maxTextureHeight=(null!==(s=t.maxTextureSize)&&void 0!==s?s:3200)/(r>1?r:1),e.dimensions.maxTextureWidth=e.dimensions.maxTextureHeight*r,e.dimensions.autoHeightRatio=1/r,i.pageCount=n.numPages,i.numPages=n.numPages,i._page1Pass=!0,i.pagesLoaded()}),n.numPages>1&&!0===e.checkSecondPage?n.getPage(2).then(function(t){var n=t.getViewport({scale:1,rotation:t._pageInfo.rotate+e.options.pageRotation});i._page2Ratio=n.width/n.height,i.viewPorts[2]=n,i._page2Pass=!0,i.pagesLoaded()}):(i._page2Pass=!0,i.pagesLoaded())}).catch(function(t){if(null!==e&&null!=e.options){var n,o="",s=document.createElement("a");s.href=e.options.source,s.hostname===window.location.hostname||-1!==s.href.indexOf("file://")||e1.isChromeExtension()||-1!==s.href.indexOf("blob:")||(o="CROSS ORIGIN!! ");var a=(null===(n=e.options)||void 0===n?void 0:n.fileName)||s.href;e.updateInfo(o+"Error: Cannot access file! "+a+"

"+t.message,"df-error"),console.log(t),e.container.removeClass("df-loading").addClass("df-error"),i.dispose()}}),o.getTotalLength=function(){return i.pdfLoadProgress._transport._networkStream._fullRequestReader.contentLength},o.onProgress=function(t){if(null!==e){var i=100*t.loaded/o.getTotalLength();isNaN(i)?t&&t.loaded?(void 0===o.lastLoaded||o.lastLoaded+25e4=n||s>=n||(t.pageLabels=i)}}).finally(function(){t._getPermissions()})}},{key:"_getPermissions",value:function(){var e=this.app,t=this;t.pdfDocument.getPermissions().then(function(i){null!==i&&Array.isArray(i)&&(t.canPrint=i.indexOf(pdfjsLib.PermissionFlag.PRINT)>-1,!1==t.canPrint&&(console.log("PDF printing is disabled."),e.options.showPrintControl=e.options.showPrintControl&&t.canPrint))}).finally(function(){t._documentLoaded()})}},{key:"processPage",value:function(e){var t=this.app,i=this,n=e.pageNumber,o=0,s="",a=t.viewer.getTextureSize(e);if(!0===DEARFLIP.defaults.cachePDFTexture&&void 0!==this.getCache(n,a.height)){t.applyTexture(this.getCache(n,a.height),e),e1.log("Texture loaded from cache for : "+n);return}var r=t.viewer.getDocumentPageNumber(n);e1.log("Requesting PDF Page:"+r),i.pdfDocument.getPage(r).then(function(l){i.viewPorts[n]||(e.isFreshPage=!0,i.viewPorts[n]=l.getViewport({scale:1,rotation:l._pageInfo.rotate+t.options.pageRotation}));var h,u=t.viewer.getRenderContext(l,e);i.viewPorts[n].lastScale=u.viewport.scale,i.viewPorts[n].lastHeight=u.canvas.height,e.isFreshPage&&(null===(h=t.viewer.getPageByNumber(e.pageNumber))||void 0===h||h.changeTexture(e.pageNumber,u.canvas.height)),s=u.canvas.width+"x"+u.canvas.height,e1.log("Page "+n+" rendering - "+s),e.trace=i.requestIndex++,i.requestedPages+=","+e.trace+"["+r+"|"+u.canvas.height+"]",l.cleanupAfterRender=!1,o=performance.now(),l.render(u).promise.then(function(){if(t.applyTexture(u.canvas,e),!0===DEARFLIP.defaults.cachePDFTexture&&i.setCache(e.pageNumber,u.canvas,a.height),!0===t.options.cleanupAfterRender){var h=","+e.trace+"["+r+"|"+u.canvas.height+"]";i.requestedPages.indexOf(h)>-1&&(i.requestedPages=i.requestedPages.replace(h,""),-1==i.requestedPages.indexOf("["+r+"|")&&(i.pagesToClean.push(l),i.pagesToClean.length>0&&i.cleanUpPages()))}u=null;var p=performance.now()-o;i.renderTime+=p,e1.log("Rendered "+n+" in "+p+" ms : "+s)}).catch(function(e){console.log(e)})}).catch(function(e){console.log(e)})}},{key:"cleanUpPages",value:function(){for(;this.pagesToClean.length>0;)this.pagesToClean.splice(-1)[0].cleanup()}},{key:"clearSearch",value:function(){this.searchHits=[],this.searchHitItemsCache=[],this.totalHits=0,this.app.searchResults.html(""),this.app.container.removeClass("df-search-open"),this.textSearch="",this.app.container.find(".df-search-hits").remove()}},{key:"search",value:function(e){if(this.textSearch!==e){if(this.clearSearch(),e.length<3&&""!=e){this.app.updateSearchInfo(this.app.options.text.searchMinimum);return}this.textSearch=e,this.textSearchLength=e.length,this.app.searchContainer.addClass("df-searching"),this.app.container.addClass("df-fetch-pdf"),this._search(e,1)}}},{key:"_search",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1,i=this;i.app.updateSearchInfo(i.app.options.text.searchSearchingInfo+" "+t),i.searchPage(t).then(function(n){for(var o,s=RegExp(e,"gi"),a=[];o=s.exec(n);)a.push({index:o.index,length:i.textSearchLength});if(i.searchHits[t]=a,a.length>0){var r=i.app.viewer.searchPage(t);!0===r.include&&(i.totalHits+=a.length,i.app.searchResults.append('
'+i.app.options.text.searchResultPage+" "+r.label+""+a.length+" "+(a.length>1?i.app.options.text.searchResults:i.app.options.text.searchResult)+"
"))}i.app.viewer.isActivePage(t)&&(i.processTextContent(t,i.app.viewer.getTextElement(t,!0)),i.app.ui.update()),i._search(e,t+1)}).catch(function(){}).finally(function(){0===i.totalHits?i.app.updateSearchInfo(i.app.options.text.searchResultsNotFound):i.app.updateSearchInfo(i.totalHits+" "+i.app.options.text.searchResultsFound),i.app.searchContainer.removeClass("df-searching"),i.app.container.removeClass("df-fetch-pdf")})}},{key:"prepareTextContent",value:function(e,t){var i=arguments.length>2&&void 0!==arguments[2]&&arguments[2],n=this;if(void 0==n.textContentJoinedSearch[t]||i){var o,n=this,s=0,a=0,r=0;n.textContentSearch[t]=[],n.textContent[t]=[],n.textOffsetSearch[t]=[],n.textOffset[t]=[],n.textContentJoinedSearch[t]=[],n.textContentJoined[t]=[];for(var l=0;l0&&void 0!==arguments[0]?arguments[0]:{scale:1};return new ts(this._viewPort.height*e.scale,this._viewPort.width*e.scale,e.scale)}}]),e}(),to=/*#__PURE__*/function(){function e(t){e9(this,e),this.source=[],this.pages=[],this.numPages=t.length;for(var i=0;i");o.attr("src",t.source[e-1]),o[0].crossOrigin="Anonymous",o.on("load",function(){tt(this).off();var e=new tn({src:this.src});e._viewPort.height=this.height,e._viewPort.width=this.width,e._viewPort.scale=1,e.image=this,i(e)})}catch(e){n(e)}})}}]),e}(),ts=/*#__PURE__*/function(){function e(t,i){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;e9(this,e),this.scale=n,this.height=t,this.width=i,this.scale=n,this.transform=[0,0,0,0,0,this.height]}return e7(e,[{key:"clone",value:function(){return new e(this.height,this.width,this.scale)}}]),e}(),ta=/*#__PURE__*/function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),t&&te(e,t)}(n,e);var t,i=(t=function(){if("undefined"==typeof Reflect||!Reflect.construct||Reflect.construct.sham)return!1;if("function"==typeof Proxy)return!0;try{return Boolean.prototype.valueOf.call(Reflect.construct(Boolean,[],function(){})),!0}catch(e){return!1}}(),function(){var e,i=e6(n);return e=t?Reflect.construct(i,arguments,e6(this).constructor):i.apply(this,arguments),e&&("object"==(e&&"undefined"!=typeof Symbol&&e.constructor===Symbol?"symbol":typeof e)||"function"==typeof e)?e:e8(this)});function n(e,t){e9(this,n);var o,s=(o=i.call(this,e,t)).app,a=e8(o);return a.document=new to(s.options.source),a.pageCount=a.document.numPages,a.numPages=a.document.numPages,a.loadDocument(),o}return e7(n,[{key:"dispose",value:function(){}},{key:"loadDocument",value:function(){var e=this.app,t=this.app.options,i=this;i.document.getPage(1).then(function(n){i.defaultPage=n;var o,s=i.defaultPage.viewPort=n._viewPort,a=i.defaultPage.pageRatio=s.width/s.height;i.viewPorts[1]=s,e.dimensions.defaultPage={ratio:a,viewPort:s,width:s.width,height:s.height},e.dimensions.maxTextureHeight=(null!==(o=t.maxTextureSize)&&void 0!==o?o:3200)/(a>1?a:1),e.dimensions.maxTextureWidth=e.dimensions.maxTextureHeight*a,e.dimensions.autoHeightRatio=1/a,i._page1Pass=!0,i.pagesLoaded()}),i.pageCount>1&&!0===e.checkSecondPage?i.document.getPage(2).then(function(e){var t=e._viewPort;i._page2Ratio=t.width/t.height,i.viewPorts[2]=t,i._page2Pass=!0,i.pagesLoaded()}):(i._page2Pass=!0,i.pagesLoaded())}},{key:"finalize",value:function(){var e=this.app;null!==e&&null!==e.options&&(this.linkService=new e2,this.linkService.setViewer(e),this._documentLoaded())}},{key:"processPage",value:function(e){var t=this.app,i=this,n=e.pageNumber,o=performance.now(),s=t.viewer.getDocumentPageNumber(n);ti.log("Requesting PDF Page:"+s),i.document.getPage(s).then(function(s){i.viewPorts[n]||(e.isFreshPage=!0,i.viewPorts[n]=s._viewPort);var a,r,l=t.viewer.getRenderContext(s,e);(e.isFreshPage&&(null===(a=t.viewer.getPageByNumber(e.pageNumber))||void 0===a||a.changeTexture(e.pageNumber,l.canvas.height)),e.preferCanvas=!0,!0===e.preferCanvas)?(l.canvas.getContext("2d").drawImage(s.image,l.viewport.transform[4],0,l.canvas.width*(null!==(r=l.viewport.widthFix)&&void 0!==r?r:1),l.canvas.height),t.applyTexture(l.canvas,e)):t.applyTexture({src:s.src,height:l.canvas.height,width:l.canvas.width},e),ti.log("Rendered "+n+" in "+(performance.now()-o)+" milliseconds")})}}]),n}(e3);function tr(e,t){if(!(e instanceof t))throw TypeError("Cannot call a class as a function")}function tl(e,t){for(var i=0;i",{class:"df-ui"}),this.leftElement=tp("
",{class:"df-ui-left"}).appendTo(this.element),this.centerElement=tp("
",{class:"df-ui-center"}).appendTo(this.element),this.rightElement=tp("
",{class:"df-ui-right"}).appendTo(this.element),this.parentElement.append(this.element),this.events={},this.controls={}}return th(e,[{key:"init",value:function(){var e=this,t="
",i=this.app,n=this.controls,o=i.options.text,s=i.options.icons;e.createLogo(),this.openRight=n.openRight=tp(t,{class:"df-ui-nav df-ui-next",title:i.isRTL?o.previousPage:o.nextPage,html:'
'}).on("click",function(){i.openRight()}),this.openLeft=n.openLeft=tp(t,{class:"df-ui-nav df-ui-prev",title:i.isRTL?o.nextPage:o.previousPage,html:'
'}).on("click",function(){i.openLeft()}),!0==i.options.autoPlay&&(this.play=n.play=tc.createBtn("play",s.play,o.play).on("click",function(){var e=tp(this);i.setAutoPlay(!e.hasClass(i.options.icons.pause))}),i.setAutoPlay(i.options.autoPlayStart)),this.pageNumber=n.pageNumber=tc.createBtn("page").on("change",function(){i.gotoPageLabel(n.pageInput.val())}).on("keyup",function(e){13===e.keyCode&&i.gotoPageLabel(n.pageInput.val())});var a="df_book_page_number_"+Math.ceil(performance.now()/10);this.pageInput=n.pageInput=tp('').appendTo(n.pageNumber),this.pageLabel=n.pageLabel=tp('').appendTo(n.pageNumber),this.thumbnail=n.thumbnail=tc.createBtn("thumbnail",s.thumbnail,o.toggleThumbnails),n.thumbnail.on("click",function(){var t=tp(this);null==i.thumblist&&i.initThumbs(),i.thumbContainer.toggleClass("df-sidemenu-visible"),t.toggleClass("df-active"),t.hasClass("df-active")&&(t.siblings(".df-active").trigger("click"),i.thumbRequestStatus=td.ON),e.update(),!1===i.options.sideMenuOverlay&&i.resizeRequestStart()}).addClass("df-sidemenu-trigger"),i.hasOutline()&&(this.outline=n.outline=tc.createBtn("outline",s.outline,o.toggleOutline),n.outline.on("click",function(){var t=tp(this);if(null==i.outlineViewer&&i.initOutline(),i.outlineContainer){var n=i.outlineContainer;t.toggleClass("df-active"),n.toggleClass("df-sidemenu-visible"),t.hasClass("df-active")&&t.siblings(".df-active").trigger("click"),e.update(),!1===i.options.sideMenuOverlay&&i.resizeRequestStart()}}).addClass("df-sidemenu-trigger")),!0===i.options.showSearchControl&&!0!==tc.isMobile&&"string"==typeof i.options.source&&(n.search=tc.createBtn("search",s.search,o.search),n.search.on("click",function(){var t=tp(this);if(null==i.searchContainer&&i.initSearch(),i.searchContainer){var n=i.searchContainer;t.toggleClass("df-active"),n.toggleClass("df-sidemenu-visible"),t.hasClass("df-active")&&(t.siblings(".df-active").trigger("click"),i.searchBox[0].focus()),e.update(),!1===i.options.sideMenuOverlay&&i.resizeRequestStart()}}).addClass("df-sidemenu-trigger"));var r=e.element;if(this.zoomIn=n.zoomIn=tc.createBtn("zoomin",s.zoomin,o.zoomIn).on("click",function(){i.zoom(1),e.update()}),this.zoomOut=n.zoomOut=tc.createBtn("zoomout",s.zoomout,o.zoomOut).on("click",function(){i.zoom(-1),e.update()}),this.resetZoom=n.resetZoom=tc.createBtn("resetzoom",s.resetzoom,o.resetZoom).on("click",function(){i.resetZoom(-1),e.update()}),i.viewer.isFlipBook){if(i.pageCount>2){var l=i.viewer.pageMode===p.FLIPBOOK_PAGE_MODE.SINGLE;this.pageMode=n.pageMode=tc.createBtn("pagemode",s[l?"doublepage":"singlepage"],l?o.doublePageMode:o.singlePageMode).on("click",function(){var e=tp(this);i.viewer.setPageMode({isSingle:!e.hasClass(s.doublepage)}),i.viewer.pageModeChangedManually=!0})}}else this.pageFit=n.pageFit=tc.createBtn("pagefit",s.pagefit,o.pageFit).on("click",function(){var e=n.pageFit;!0==!e.hasClass(s.widthfit)?(e.addClass(s.widthfit),e.html(""+o.widthFit+""),e.attr("title",o.widthFit)):(e.removeClass(s.widthfit),e.html(""+o.pageFit+""),e.attr("title",o.pageFit))});if(this.share=n.share=tc.createBtn("share",s.share,o.share).on("click",function(){null==e.shareBox&&(e.shareBox=new tg(i.container,i.options)),!0===e.shareBox.isOpen?e.shareBox.close():(e.shareBox.update(i.getURLHash()),e.shareBox.show())}),this.more=n.more=tc.createBtn("more",s.more).on("click",function(t){!0!==e.moreContainerOpen&&(tp(this).addClass("df-active"),e.moreContainerOpen=!0,t.stopPropagation())}),this.startPage=n.startPage=tc.createBtn("start",s.start,o.gotoFirstPage).on("click",function(){i.start()}),this.endPage=n.endPage=tc.createBtn("end",s.end,o.gotoLastPage).on("click",function(){i.end()}),!0===i.options.showPrintControl&&!0!==tc.isMobile&&"string"==typeof i.options.source&&(this.print=n.print=tc.createBtn("print",s.print,o.print).on("click",function(){p.printHandler=p.printHandler||new tv,p.printHandler.printPDF(i.options.source)})),!0===i.options.showDownloadControl&&"string"==typeof i.options.source){var h="df-ui-btn df-ui-download "+s.download;this.download=n.download=tp(''+o.downloadPDFFile+""),n.download.attr("href",tc.httpsCorrection(i.options.source)).attr("title",o.downloadPDFFile)}e.moreContainer=tp(t,{class:"df-more-container"}),n.more.append(e.moreContainer),!0===i.options.isLightBox&&!0!==i.fullscreenSupported||(this.fullScreen=n.fullScreen=tc.createBtn("fullscreen",s.fullscreen,o.toggleFullscreen).on("click",i.switchFullscreen.bind(i))),i.viewer.initCustomControls();var u=i.options.allControls.replace(/ /g,"").split(","),c=","+i.options.moreControls.replace(/ /g,"")+",",d=","+i.options.hideControls.replace(/ /g,"")+",";i.options.leftControls.replace(/ /g,""),i.options.rightControls.replace(/ /g,""),d+=",";for(var f=0;fd.indexOf(","+g+",")){var m=n[g];null!=m&&(void 0===m?"undefined":tu(m))=="object"&&(c.indexOf(","+g+",")>-1&&"more"!==g&&"pageNumber"!==g?e.moreContainer.append(m):!0==i.options.controlsFloating?r.append(m):this.centerElement.append(m))}}0==e.moreContainer.children().length&&this.more.addClass("df-hidden"),i.container.append(r),i.container.append(n.openLeft),i.container.append(this.controls.openRight),window.addEventListener("click",e.events.closePanels=e.closePanels.bind(e),!1),window.addEventListener("keyup",e.events.keyup=e.keyUp.bind(e),!1),document.addEventListener("fullscreenchange",e.events.fullscreenChange=e.fullscreenChange.bind(e),!1),!0===i.options.autoOpenThumbnail&&e.controls.thumbnail.trigger("click"),i.hasOutline()&&!0===i.options.autoOpenOutline&&e.controls.outline.trigger("click"),i.executeCallback("onCreateUI")}},{key:"closePanels",value:function(e){if(!0===this.moreContainerOpen){var t;null===(t=this.controls.more)||void 0===t||t.removeClass("df-active"),this.moreContainerOpen=!1}}},{key:"fullscreenChange",value:function(e){void 0===tc.getFullscreenElement()&&!0===this.app.isFullscreen&&this.app.switchFullscreen()}},{key:"keyUp",value:function(e){var t=this.app;if("INPUT"!==e.target.nodeName){var i=!1;switch(t.options.arrowKeysAction===p.ARROW_KEYS_ACTIONS.NAV&&((!0===t.isFullscreen||!0===t.options.isLightBox)&&(i=!0),!0!=t.options.isLightBox&&p.activeEmbeds.length<2&&!1===tp("body").hasClass("df-lightbox-open")&&(i=!0)),e.keyCode){case 27:p.activeLightBox&&p.activeLightBox.app&&!tc.isChromeExtension()&&p.activeLightBox.closeButton.trigger("click");break;case 37:i&&t.openLeft();break;case 39:i&&t.openRight();break;case 38:i&&t.viewer.isVertical()&&t.openLeft();break;case 40:i&&t.viewer.isVertical()&&t.openRight()}}}},{key:"createLogo",value:function(){var e=this.app,t=null;e.options.logo.indexOf("<")>-1?t=tp(e.options.logo).addClass("df-logo df-logo-html"):e.options.logo.trim().length>2&&(t=tp('