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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=m.fixMouseEvent(e),this.pinchMove(e),!0===this.pinchZoomDirty&&e.preventDefault(),this.startPoint&&1!=this.pinchZoomDirty&&(this.pan(this.eventToPoint(e)),e.preventDefault())}},{key:"mouseDown",value:function(e){e=m.fixMouseEvent(e),this.pinchDown(e),this.startPoint=this.eventToPoint(e)}},{key:"mouseUp",value:function(e){e=m.fixMouseEvent(e);var t=this;!0===t.pinchZoomDirty&&e.preventDefault();var i=t.eventToPoint(e),n=e.target||e.originalTarget,o=t.startPoint&&i.x===t.startPoint.x&&i.y===t.startPoint.y&&"A"!==n.nodeName;!0===e.ctrlKey&&o&&this.zoomOnPoint(i),this.pinchUp(e),this.startPoint=null}},{key:"pinchDown",value:function(e){}},{key:"pinchUp",value:function(e){}},{key:"pinchMove",value:function(e){}},{key:"updateTemporaryScale",value:function(){if(!0===(arguments.length>0&&void 0!==arguments[0]&&arguments[0]))this.parentElement[0].style.transform="none";else if(this.app.viewer.zoomCenter){var e=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("+e+","+e+",1)"}}},{key:"pan",value:function(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1];this.panRequestStatus=e.REQUEST_STATUS.ON,m.pan(this,t,i)}},{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(t){var i=this.app,n=m.getMouseDelta(t),o=!0===t.ctrlKey,a=i.options.mouseScrollAction===e.MOUSE_SCROLL_ACTIONS.ZOOM&&(!0===i.options.isLightBox||!0===i.isFullscreen);o||a?(n>0||n<0)&&(t.preventDefault(),i.viewer.zoomCenter=this.eventToPoint(t).raw,i.zoom(n),i.ui.update()):i.options.mouseScrollAction===e.MOUSE_SCROLL_ACTIONS.NAV&&(n>0?i.next():n<0&&i.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 t=e.REQUEST_STATUS;this.panRequestStatus===t.ON&&(this.updatePan(),this.panRequestStatus=t.OFF),this.app.viewer.pinchZoomRequestStatus===t.ON&&(this.app.viewer.updateTemporaryScale(),this.app.viewer.pinchZoomRequestStatus=t.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?v.REQUEST_STATUS.ON:v.REQUEST_STATUS.OFF}},{key:"getPageByNumber",value:function(e){var t=this.pages,i=void 0;if(this.app.isValidPage(e))for(var n=0;n<t.length;n++)if(e===t[n].pageNumber){i=t[n];break}return i}},{key:"changeAnnotation",value:function(){return!1}},{key:"getAnnotationElement",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.annotationElement&&(i.annotationElement=jQuery("<div class='df-link-content'>"),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=jQuery("<div class='df-text-content'>"),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:"textureLoadedCallback",value:function(e){}},{key:"handleZoom",value:function(){}},{key:"getTextureSize",value:function(e){console.error("Texture calculation missing!")}},{key:"textureHeightLimit",value:function(e){return m.limitAt(e,1,this.app.dimensions.maxTextureHeight)}},{key:"textureWidthLimit",value:function(e){return m.limitAt(e,1,this.app.dimensions.maxTextureWidth)}},{key:"setPage",value:function(e){m.log("Set Page detected",e.pageNumber);var t=this.getPageByNumber(e.pageNumber);return!!t&&(e.callback=this.textureLoadedCallback.bind(this),t.loadTexture(e),this.updateBuffer(t),!0)}},{key:"cleanPage",value:function(e){return!0}},{key:"validatePageChange",value:function(e){return e!==this.app.currentPageNumber}},{key:"afterControlUpdate",value:function(){}},{key:"searchPage",value:function(e){return{include:!0,label:this.app.provider.getLabelforPage(e)}}}],n&&g(i.prototype,n),o&&g(i,o),Object.defineProperty(i,"prototype",{writable:!1}),t}();function b(e,t){return b=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},b(e,t)}function w(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=P(e);if(t){var o=P(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===S(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(this,i)}}function P(e){return P=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},P(e)}function S(e){return S="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},S(e)}function C(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function T(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==S(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==S(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===S(a)?a:String(a)),n)}var o,a}function x(e,t,i){return t&&T(e.prototype,t),i&&T(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}var k=e.utils,E=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=jQuery("<div>",{class:"df-page-content"})}return x(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,k.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=this,n=e+"|"+t;return i.textureStamp!==n&&(k.log("Page "+e+" : texture changed from - "+i.textureStamp+" to "+n),i.textureLoaded=!1,i.textureStamp=n,i.updateTextureLoadStatus(!1),!0)}}]),e}(),O=function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&b(e,t)}(i,e);var t=w(i);function i(e){var n;return C(this,i),(n=t.call(this)).canvasMode=null,e&&e.parentElement&&(n.parentElement=e.parentElement),n.init(),n}return x(i,[{key:"init",value:function(){var e=this.element=jQuery("<div>",{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:k.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(jQuery(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"})}}]),i}(E);function R(e){return R="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},R(e)}function L(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==R(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==R(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===R(a)?a:String(a)),n)}var o,a}function N(){return N="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():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(arguments.length<3?e:i):o.value}},N.apply(this,arguments)}function I(e,t){return I=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},I(e,t)}function _(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=M(e);if(t){var o=M(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===R(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return A(e)}(this,i)}}function A(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function M(e){return M=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},M(e)}var D=e.utils,F=function(t){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&I(e,t)}(r,t);var i,n,o,a=_(r);function r(t,i){var n;return function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,r),t.viewerClass="df-reader",i.options.mouseScrollAction=e.MOUSE_SCROLL_ACTIONS.NONE,(n=a.call(this,t,i)).app.jumpStep=1,n.minZoom=.25,n.stackCount=n.app.pageCount,n.app.options.paddingLeft=0,n.app.options.paddingRight=0,n.app.options.paddingTop=10,n.app.options.paddingBottom=!0===n.app.options.controlsFloating?20:10,n.app.pageScaling=n.app.options.pageScale,n.acceptAppMouseEvents=!0,n.scrollStatus=e.REQUEST_STATUS.OFF,n.deltaPanX=0,n.deltaPanY=0,i._viewerPrepared(),n.zoomViewer=A(n),n}return i=r,n=[{key:"init",value:function(){N(M(r.prototype),"init",this).call(this),this.initEvents(),this.initPages(),this.initScrollBar()}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],N(M(r.prototype),"initEvents",this).call(this)}},{key:"initPages",value:function(){this.stackCount=this.app.pageCount;for(var e=0;e<this.stackCount;e++){var t=new O({parentElement:this.wrapper});t.index=e,t.viewer=this,this.pages.push(t)}}},{key:"initScrollBar",value:function(){this.scrollBar=jQuery("<div class='df-reader-scrollbar'>"),this.scrollBar.appendTo(this.app.container),this.scrollPageNumber=jQuery("<div class='df-reader-scroll-page-number'>").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()+"<div>("+this.app.currentPageNumber+" of "+this.app.pageCount+")</div>":this.scrollPageNumber[0].innerHTML=this.app.getCurrentLabel()+"<div>of "+this.app.pageCount+"</div>")}},{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;o<this.pageBuffer.length;o++){var a=this.pageBuffer[o].pageNumber;if(t===a)return void D.log("Page "+t+" already in buffer, skipping");Math.abs(this.app.currentPageNumber-a)>Math.abs(this.app.currentPageNumber-i)&&(i=a,n=o)}this.pageBuffer.push(e),this.pageBuffer.length>this.pageBufferSize&&(D.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(){N(M(r.prototype),"dispose",this).call(this),this.scrollBar&&this.scrollBar.remove(),this.scrollPageNumber&&this.scrollPageNumber.remove(),this.element.remove()}},{key:"_getInnerHeight",value:function(){N(M(r.prototype),"_getInnerHeight",this).call(this);var t=this.app.dimensions.maxHeight-this.app.dimensions.padding.height,i=this.app.dimensions.defaultPage.viewPort,n=this.app.dimensions.containerWidth-20-this.app.dimensions.padding.width;this.app.pageScaling===e.PAGE_SCALE.ACTUAL&&(n=1*this.app.provider.defaultPage.viewPort.width);var o=t;return this.app.pageScaling===e.PAGE_SCALE.PAGE_WIDTH?o=100*i.height:this.app.pageScaling===e.PAGE_SCALE.AUTO?o=1.5*i.height:this.app.pageScaling===e.PAGE_SCALE.ACTUAL&&(o=1*i.height),o-=2,this._containCover=D.contain(i.width,i.height,n,o),o=Math.min(t,this._containCover.height+2),this.app.pageScaleValue=this._containCover.height/i.height,this.app.dimensions.isFixedHeight?t:o}},{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=D.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,t=e.app,i=(t.dimensions,t.dimensions.padding),n=this.shiftHeight=0;this.element.css({top:-n,bottom:-n,right:-0,left:-0,paddingTop:i.top,paddingRight:i.right,paddingBottom:i.bottom,paddingLeft:i.left});for(var o=e.getVisiblePages().main[0]-1,a=(o=e.pages[o].element[0]).getBoundingClientRect(),r=this.parentElement[0].getBoundingClientRect(),s=0;s<e.pages.length;s++){var l=e.pages[s],u=e.getViewPort(s+1,!0),h=l.element[0].style;h.height=Math.floor(u.height*t.pageScaleValue*t.zoomValue)+"px",h.width=Math.floor(u.width*t.pageScaleValue*t.zoomValue)+"px"}if(e.oldScrollHeight!=e.element[0].scrollHeight&&void 0!==e.oldScrollHeight){var p,c=e.element[0].scrollHeight/e.oldScrollHeight;e.skipScrollCheck=!0;var d=o.offsetTop+o.clientTop-(a.top-r.top+o.clientTop)*c,f=o.offsetLeft+o.clientLeft-(a.left-r.left+o.clientLeft)*c;d+=10*(c-1)/2,f+=10*(c-1)/2,this.zoomCenter=null!==(p=this.zoomCenter)&&void 0!==p?p:{x:0,y:0},d+=(c-1)*this.zoomCenter.y,f+=(c-1)*this.zoomCenter.x,this.zoomCenter=null,e.element[0].scrollTop=d,e.element[0].scrollLeft=f,e.skipScrollCheck=!1}e.oldScrollHeight=e.element[0].scrollHeight,this.scrollBar[0].style.transform="none",this.updateScrollBar()}},{key:"onReady",value:function(){this.gotoPageCallBack(),this.oldScrollHeight=this.element[0].scrollHeight}},{key:"refresh",value:function(){for(var t=this,i=this.app,n=t.getVisiblePages().main,o=0;o<n.length;o++){var a=void 0,r=n[o];r!==(a=t.pages[r-1]).pageNumber&&(a.resetTexture(),this.app.textureRequestStatus=e.REQUEST_STATUS.ON),a.element.attr("number",r),a.pageNumber=r}t.requestRefresh(!1),i.textureRequestStatus=e.REQUEST_STATUS.ON}},{key:"isAnimating",value:function(){return this.scrollStatus===e.REQUEST_STATUS.ON||this.scrollStatus===e.REQUEST_STATUS.COUNT}},{key:"checkRequestQueue",value:function(){N(M(r.prototype),"checkRequestQueue",this).call(this),this.scrollStatus===e.REQUEST_STATUS.ON&&(this.scrollStatus=e.REQUEST_STATUS.OFF),this.scrollStatus===e.REQUEST_STATUS.COUNT&&(this.scrollStatus=e.REQUEST_STATUS.ON)}},{key:"isActivePage",value:function(e){return void 0!==this.visiblePagesCache&&this.visiblePagesCache.includes(e)}},{key:"getVisiblePages",value:function(){var e=D.getVisibleElements({container:this.element[0],elements:this.wrapper[0].children});return e=0===e.length?[this.app.currentPageNumber]:e.splice(0,this.pageBufferSize),this.visiblePagesCache=e,{main:e,buffer:[]}}},{key:"getPageByNumber",value:function(e){var t=this.pages[e-1];return void 0===t&&D.log("Page Not found for: "+e),t}},{key:"onScroll",value:function(t){for(var i=this,n=i.element[0].scrollTop+i.app.dimensions.containerHeight/2,o=i.getVisiblePages().main,a=o[0],r=0;r<o.length;r++){a=o[r];var s=i.pages[a-1].element[0],l=s.offsetTop+s.clientTop;if(l<=n&&s.clientHeight+l>=n)break;if(r>0&&l>n&&s.clientHeight+l>=n){a=o[r-1];break}}i.skipScrollIntoView=!0,i.app.gotoPage(a),i.skipScrollIntoView=!1,i.updateScrollBar(),t.preventDefault&&t.preventDefault(),t.stopPropagation(),i.requestRefresh(),this.scrollStatus=e.REQUEST_STATUS.COUNT,e.handlePopup(i.element,!1)}},{key:"updateScrollBar",value:function(){var e=this.element[0],t=(this.app.container[0],e.scrollLeft,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(){var e=this;if(!0!==e.skipScrollIntoView){var t=e.getPageByNumber(e.app.currentPageNumber);null!=t&&D.scrollIntoView(t.element[0],e.element[0])}e.skipScrollIntoView=!1,e.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))}},{key:"pan",value:function(t){var i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=this,o=n.startPoint,a=t.raw.y-o.raw.y,r=t.raw.x-o.raw.x;n.deltaPanY+=a,n.deltaPanX+=r,n.panRequestStatus=e.REQUEST_STATUS.ON,!1===i&&(n.startPoint=t)}},{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=D.fixMouseEvent(e),i=this.eventToPoint(t),n=this.element[0],o=this.scrollBar.lastY-(this.startPoint.raw.y-i.raw.y);return this.scrollBar.lastY=o,n.scrollTop=(o-60)*(n.scrollHeight-n.offsetHeight)/(n.offsetHeight-40-60-60),this.startPoint=i,void e.preventDefault()}e.touches&&e.touches.length<2||N(M(r.prototype),"mouseMove",this).call(this,e)}},{key:"mouseDown",value:function(e){N(M(r.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){N(M(r.prototype),"mouseUp",this).call(this,e),(this.isScrollBarPressed=this.scrollBar)&&(this.isScrollBarPressed=!1,this.scrollBar.removeClass("df-active"),this.scrollPageNumber.removeClass("df-active"))}}],n&&L(i.prototype,n),o&&L(i,o),Object.defineProperty(i,"prototype",{writable:!1}),r}(y);function z(e){return z="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},z(e)}function B(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function H(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==z(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==z(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===z(a)?a:String(a)),n)}var o,a}function U(e,t,i){return t&&H(e.prototype,t),i&&H(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function j(){return j="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=q(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(arguments.length<3?e:i):o.value}},j.apply(this,arguments)}function V(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&W(e,t)}function W(e,t){return W=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},W(e,t)}function G(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=q(e);if(t){var o=q(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===z(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(this,i)}}function q(e){return q=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},q(e)}var Z=e.utils,K=function(t){V(n,t);var i=G(n);function n(t,o){var a,r;return B(this,n),t.viewerClass="df-flipbook "+(t.viewerClass||""),(r=i.call(this,t,o)).isFlipBook=!0,r.sheets=[],r.isRTL=r.app.isRTL,r.foldSense=50,r.isOneSided=!1,r.stackCount=null!==(a=t.stackCount)&&void 0!==a?a:6,r.annotedPage=null,r.pendingAnnotations=[],r.seamPosition=0,r.dragSheet=null,r.drag=null,r.soundOn=!0===t.enableSound,r.soundFile=null,r.minZoom=1,r.maxZoom=4,r.app.options.pageSize!==e.FLIPBOOK_PAGE_SIZE.AUTO&&r.app.options.pageSize!==e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL||(r.app.checkSecondPage=!0),r.app.pageScaling=e.PAGE_SCALE.PAGE_FIT,t.viewerClass="",r.zoomViewer=new Q(t,o),r}return U(n,[{key:"init",value:function(){j(q(n.prototype),"init",this).call(this),this.initSound();var t=this.app;this.pageMode=t.options.pageMode===e.FLIPBOOK_PAGE_MODE.AUTO?Z.isMobile||t.pageCount<=2?e.FLIPBOOK_PAGE_MODE.SINGLE:e.FLIPBOOK_PAGE_MODE.DOUBLE:t.options.pageMode,this.singlePageMode=t.options.singlePageMode||(Z.isMobile?e.FLIPBOOK_SINGLE_PAGE_MODE.BOOKLET:e.FLIPBOOK_SINGLE_PAGE_MODE.ZOOM),this.updatePageMode(),this.rightSheetHeight=this.leftSheetHeight=this._defaultPageSize.height,this.leftSheetWidth=this.rightSheetWidth=this._defaultPageSize.width,this.leftSheetTop=this.rightSheetTop=(this.availablePageHeight()-this._defaultPageSize.height)/2,this.zoomViewer.rightSheetHeight=this.zoomViewer.leftSheetHeight=this._defaultPageSize.height,this.zoomViewer.leftSheetWidth=this.zoomViewer.rightSheetWidth=this._defaultPageSize.width}},{key:"determineHeight",value:function(){}},{key:"initCustomControls",value:function(){j(q(n.prototype),"initCustomControls",this).call(this);var e=this,t=this.app,i=t.ui,o=i.controls,a=t.options.text,r=t.options.icons;o.sound=Z.createBtn("sound",r.sound,a.toggleSound).on("click",(function(){e.soundOn=!e.soundOn,i.updateSound()})),i.updateSound=function(){!1===e.soundOn?o.sound.addClass("disabled"):o.sound.removeClass("disabled")},i.updateSound()}},{key:"dispose",value:function(){j(q(n.prototype),"dispose",this).call(this);for(var e=0;e<this.sheets.length;e++){var t=this.sheets[e];t&&t.currentTween&&(t.currentTween.stop(),t.currentTween=null)}this.zoomViewer.dispose(),this.soundFile=null}},{key:"determinePageMode",value:function(){var t=this.app,i=this.pageMode;if(this.app.pageCount<3)this.pageMode=e.FLIPBOOK_PAGE_MODE.SINGLE;else if(this.app.options.pageMode===e.FLIPBOOK_PAGE_MODE.AUTO&&1!=this.pageModeChangedManually){if(!0===Z.isMobile)if(this.app.dimensions.isAutoHeight&&0==this.app.dimensions.isFixedHeight){var n=this._calculateInnerHeight(!0),o=t.dimensions.stage.innerWidth+(1!=t.options.sideMenuOverlay&&t.isSideMenuOpen?220:0);this.pageMode=n>1.1*o&&o<768?e.FLIPBOOK_PAGE_MODE.SINGLE:e.FLIPBOOK_PAGE_MODE.DOUBLE,this._calculateInnerHeight()}else{var a=t.dimensions.stage.innerWidth+(1!=t.options.sideMenuOverlay&&t.isSideMenuOpen?220:0);this.pageMode=t.dimensions.stage.innerHeight>1.1*a&&a<768?e.FLIPBOOK_PAGE_MODE.SINGLE:e.FLIPBOOK_PAGE_MODE.DOUBLE}this.pageMode!=i&&this.setPageMode({isSingle:this.pageMode==e.FLIPBOOK_PAGE_MODE.SINGLE})}}},{key:"initSound",value:function(){this.soundFile=document.createElement("audio"),this.soundFile.setAttribute("src",this.app.options.soundFile+"?ver="+e.version),this.soundFile.setAttribute("type","audio/mpeg")}},{key:"playSound",value:function(){var e=this;try{!0===e.app.userHasInteracted&&!0===e.soundOn&&(e.soundFile.currentTime=0,e.soundFile.play())}catch(e){}}},{key:"checkDocumentPageSizes",value:function(){var t=this.app.provider;t.pageSize===e.FLIPBOOK_PAGE_SIZE.AUTO&&(t._page2Ratio&&t._page2Ratio>1.5*t.defaultPage.pageRatio?t.pageSize=e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL:t.pageSize=e.FLIPBOOK_PAGE_SIZE.SINGLE),t.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&(t.pageCount=1===t.numPages?1:2*t.numPages-2),t.pageSize!==e.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK&&t.pageSize!==e.FLIPBOOK_PAGE_SIZE.DOUBLE||(t.pageCount=2*t.numPages)}},{key:"getViewerPageNumber",value:function(t){return this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&t>2&&(t=2*t-1),this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK&&t>2&&(t=2*t-1),t}},{key:"getDocumentPageNumber",value:function(t){return this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL&&t>2?Math.ceil((t-1)/2)+1:this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK&&t>1?t===this.app.pageCount?1:Math.ceil((t-1)/2)+1:t}},{key:"getViewPort",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1],i=arguments.length>2?arguments[2]:void 0;return this.filterViewPort(j(q(n.prototype),"getViewPort",this).call(this,e,t),e,i)}},{key:"isDoubleInternal",value:function(){return this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL}},{key:"isDoubleCoverBack",value:function(){return this.app.provider.pageSize===e.FLIPBOOK_PAGE_SIZE.DOUBLE_COVER_BACK}},{key:"isDoubleInternalPage",value:function(e){return this.isDoubleInternal()&&e>1&&e<this.app.provider.pageCount}},{key:"getDoublePageWidthFix",value:function(e){return this.isDoubleInternalPage(e)||this.isDoubleCoverBack()?2:1}},{key:"isDoublePageFix",value:function(e){var t=!1;return(this.isDoubleCoverBack()||this.isDoubleInternalPage(e))&&(this.app.isRTL?e%2==0&&(t=!0):e%2==1&&(t=!0)),t}},{key:"finalizeAnnotations",value:function(e,t){}},{key:"finalizeTextContent",value:function(e,t){}},{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;this.isBooklet;if("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())):e<t&&(this.sheets[0].skipFlip=!0,this.sheets.push(this.sheets.shift()))}},{key:"checkSwipe",value:function(e,t){var i=this;if(!0!==i.pinchZoomDirty&&1===i.app.zoomValue&&!0===i.canSwipe){var n="vertical"==i.orientation?e.y-i.lastPosY:e.x-i.lastPosX;Math.abs(n)>i.swipeThreshold&&(n<0?i.app.openRight():i.app.openLeft(),i.canSwipe=!1,t.preventDefault()),i.lastPosX=e.x,i.lastPosY=e.y}}},{key:"checkCenter",value:function(){var t,i=arguments.length>0&&void 0!==arguments[0]&&arguments[0],n=this,o=this.app,a=e.FLIPBOOK_CENTER_SHIFT,r=o.currentPageNumber%2==0,s=n.getBasePage(),l=n.isRTL,u=n.isSingle;t=0===s||n.isBooklet?n.isRTL?a.RIGHT:a.LEFT:s===o.pageCount?l?a.LEFT:a.RIGHT:u?l?r?a.LEFT:a.RIGHT:r?a.RIGHT:a.LEFT:a.NONE,!0!==n.centerNeedsUpdate&&(n.centerNeedsUpdate=n.centerShift!==t),n.centerNeedsUpdate&&(n.centerShift=t,n.updateCenter(i),n.centerNeedsUpdate=!1)}},{key:"updateCenter",value:function(){console.log("UpdateCenter: missing implementation.")}},{key:"reset",value:function(){for(var e,t=0;t<this.sheets.length;t++)(e=this.sheets[t]).reset(),e.pageNumber=-1,e.frontPage&&(e.frontPage.pageNumber=-1),e.backPage&&(e.backPage.pageNumber=-1),e.resetTexture();this.annotedPage=null,this.oldBasePageNumber=-1,this.centerShift=null,this.refresh()}},{key:"handleZoom",value:function(){var e=this.app,t=(e.dimensions,this.getLeftPageTextureSize({zoom:!1,isAnnotation:!0})),i=this.getRightPageTextureSize({zoom:!1,isAnnotation:!0}),n=(this.maxZoom,e.zoomValue,this.maxZoom=e.dimensions.maxTextureSize/Math.max(t.height,t.width,i.height,i.width)),o=e.zoomValue,a=!1,r=!1;(n<this.minZoom&&(n=this.maxZoom=this.minZoom),!0===e.pendingZoom&&null!=e.zoomDelta)?o=e.zoomDelta>0?o*e.options.zoomRatio:o/e.options.zoomRatio:null!=this.lastScale&&(o*=this.lastScale,this.lastScale=null);o=Z.limitAt(o,this.minZoom,n),e.zoomValueChange=o/e.zoomValue,!(e.zoomChanged=e.zoomValue!==o)||1!==o&&1!==e.zoomValue||(a=1===o,r=1===e.zoomValue),e.zoomValue=o,(r||a)&&(e.container.toggleClass("df-zoom-active",1!==o),r&&this.enterZoom(),a&&this.exitZoom())}},{key:"refresh",value:function(){var t=this,i=this.app,n=t.stackCount,o=t.isRTL,a=t.isBooklet,r=t.getBasePage(),s=a?1:2;o&&(r=i.pageCount-r);var l,u=t.oldBasePageNumber,h=Math.ceil(i.pageCount/s),p=Math.floor(n/2);r!==t.oldBasePageNumber&&(t.pageNumberChanged=!0,this.updatePendingStatusClass(!0),t.zoomViewer.reset()),t.sheetsIndexShift(u,r,n);var c=Math.ceil(r/s);for(l=0;l<n;l++){var d=void 0,f=c-p+l;if(o&&(f=h-f-1),null!=(d=t.sheets[l])){d.targetSide=l<p?e.TURN_DIRECTION.LEFT:e.TURN_DIRECTION.RIGHT;var g=d.side!==d.targetSide,v=f!==d.pageNumber,m=g&&!1===d.skipFlip&&1===i.zoomValue;if(!g&&v&&d.isFlipping&&d.currentTween&&d.currentTween.stop(),d.isHard=t.isSheetHard(f),d.isCover=t.isSheetCover(f),v)d.resetTexture(),(this.app.isRTL?d.backPage:d.frontPage).pageNumber=this.isBooklet?f:2*f+1,(this.app.isRTL?d.frontPage:d.backPage).pageNumber=this.isBooklet?-1:2*f+2,i.textureRequestStatus=e.REQUEST_STATUS.ON;d.pageNumber=f,t.refreshSheet({sheet:d,sheetNumber:f,totalSheets:h,zIndex:this.stackCount+(l<p?l-p:p-l),visible:a?o?l<p||d.isFlipping||m:l>=p||d.isFlipping||m:f>=0&&f<h||a&&f===h,index:l,needsFlip:m,midPoint:p})}}t.requestRefresh(!1),i.textureRequestStatus=e.REQUEST_STATUS.ON,t.oldBasePageNumber=r,this.checkCenter(),this.zoomViewer.refresh(),t.pageNumberChanged=!1}},{key:"validatePageChange",value:function(e){if(e===this.app.currentPageNumber)return!1;var t=this.app,i=!this.isFlipping()||void 0===t.oldPageNumber;return i=(i=i||t.currentPageNumber<e&&t.oldPageNumber<t.currentPageNumber)||t.currentPageNumber>e&&t.oldPageNumber>t.currentPageNumber}},{key:"getVisiblePages",value:function(){for(var e=this,t=[],i=e.getBasePage(),n=e.app.zoomValue>1?1:e.isBooklet&&Z.isMobile?Math.min(e.stackCount/2,2):e.stackCount/2,o=0;o<n;o++)t.push(i-o),t.push(i+o+1);return this.visiblePagesCache=t,{main:t,buffer:[]}}},{key:"getBasePage",value:function(e){return void 0===e&&(e=this.app.currentPageNumber),this.isBooklet?e:2*Math.floor(e/2)}},{key:"getRightPageNumber",value:function(){return this.getBasePage()+(this.isBooklet||this.isRTL?0:1)}},{key:"getLeftPageNumber",value:function(){return this.getBasePage()+(this.isBooklet?0:this.isRTL?1:0)}},{key:"afterFlip",value:function(){!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(t){this.app.options.mouseScrollAction===e.MOUSE_SCROLL_ACTIONS.ZOOM?this.zoomViewer.mouseWheel(t):j(q(n.prototype),"mouseWheel",this).call(this,t)}},{key:"checkRequestQueue",value:function(){this.app.zoomValue>1?this.zoomViewer.checkRequestQueue():j(q(n.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(){var e=this;e.app.executeCallback("beforeFlip"),1===e.app.zoomValue&&e.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],i=void 0;return(i=this.app.zoomValue>1?this.zoomViewer.getAnnotationElement(e,t):j(q(n.prototype),"getAnnotationElement",this).call(this,e,t))&&(i.parentNode.classList.toggle("df-double-internal",this.isDoubleInternalPage(e)),i.parentNode.classList.toggle("df-double-internal-fix",this.isDoublePageFix(e))),i}},{key:"getTextElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return this.app.zoomValue>1?this.zoomViewer.getTextElement(e,t):j(q(n.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)}),Z.log("Texture Exchanging at "+i)):Z.log("Texture Exchanging Bypassed at "+i),!this.isBooklet){var a=e.getPageByNumber(i+1),r=t.getPageByNumber(i+1);r&&"-1"===r.textureStamp?(r.textureStamp=a.textureStamp,r.loadTexture({texture:a.getTexture(!0)}),Z.log("Texture Exchanging at "+(i+1))):Z.log("Texture Exchanging Bypassed at "+(i+1))}t.pagesReady()}},{key:"setPageMode",value:function(t){var i=this.app,n=!0===t.isSingle;this.pageMode=n?e.FLIPBOOK_PAGE_MODE.SINGLE:e.FLIPBOOK_PAGE_MODE.DOUBLE,this.updatePageMode(),i.resizeRequestStart(),i.viewer.pageMode===e.FLIPBOOK_PAGE_MODE.DOUBLE&&i.ui.controls.pageMode?i.ui.controls.pageMode.removeClass(i.options.icons.doublepage).addClass(i.options.icons.singlepage).attr("title",i.options.text.singlePageMode).html("<span>"+i.options.text.singlePageMode+"</span>"):i.ui.controls.pageMode.addClass(i.options.icons.doublepage).removeClass(i.options.icons.singlepage).attr("title",i.options.text.doublePageMode).html("<span>"+i.options.text.doublePageMode+"</span>")}},{key:"updatePageMode",value:function(){this.app.pageCount<3&&(this.pageMode=e.FLIPBOOK_PAGE_MODE.SINGLE),this.isSingle=this.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE,this.isBooklet=this.isSingle&&this.singlePageMode===e.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(t){return t.textureTarget===e.TEXTURE_TARGET.ZOOM?this.zoomViewer.setPage(t):j(q(n.prototype),"setPage",this).call(this,t)}},{key:"_calculateInnerHeight",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:void 0;void 0===t&&(t=this.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE);var i=this.app.dimensions.defaultPage.viewPort,n=this.availablePageWidth(!1,!0,t),o=this.app.dimensions.maxHeight-this.app.dimensions.padding.height;"vertical"==this.orientation&&0==t&&(o/=2),this._defaultPageSize=Z.contain(i.width,i.height,n,o),this._pageFitArea={width:n,height:o};var a=this.app.dimensions.isFixedHeight?o:this._pageFitArea.height;return this.app.dimensions.isAutoHeight&&0==this.app.dimensions.isFixedHeight&&(a=Math.floor(this._defaultPageSize.height)),a}},{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 t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],i=arguments.length>1&&void 0!==arguments[1]&&arguments[1],n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:void 0;void 0===n&&(n=this.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE);var o=!0===i?this.app.dimensions.offset.width:0,a=this.app.dimensions.stage.innerWidth+o;return a/=!0===n||"vertical"==this.orientation?1:2,Math.floor(a*(t?this.app.zoomValue:1))}},{key:"availablePageHeight",value:function(){var t=!(arguments.length>0&&void 0!==arguments[0])||arguments[0],i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:void 0;void 0===i&&(i=this.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE);var n=this.app.dimensions.stage.innerHeight;return!1===i&&"vertical"==this.orientation&&(n/=2),Math.floor(n*(t?this.app.zoomValue:1))}},{key:"getTextureSize",value:function(e){var t=this.getViewPort(e.pageNumber,!0),i=this.app.options.pixelRatio,n=Z.contain(t.width,t.height,i*this.availablePageWidth(e.zoom),i*this.availablePageHeight(e.zoom));return{height:(n=Z.containUnStretched(n.width,n.height,this.app.options.maxTextureSize,this.app.options.maxTextureSize)).height,width:n.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){if(void 0!==e){if(1!=(!(arguments.length>2&&void 0!==arguments[2])||arguments[2]))return e;var i=e.clone();return i.width=i.width/this.getDoublePageWidthFix(t),i}}},{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)){var t=e+(e%2==1?-1:1);return!1===this.app.provider.requestedPages[e]&&!1===this.app.provider.requestedPages[t]}return j(q(n.prototype),"cleanPage",this).call(this,e)}},{key:"onReady",value:function(){j(q(n.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):"")}}}]),n}(y),Q=function(t){V(n,t);var i=G(n);function n(e,t){var o;return B(this,n),e.viewerClass="df-zoomview "+(e.viewerClass||""),(o=i.call(this,e,t)).viewer=o.app.viewer,o.events={},o.init(),o.initEvents(),o.left=0,o.top=0,o}return U(n,[{key:"init",value:function(){this.leftPage=new O,this.rightPage=new O,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=jQuery("<div>",{class:"df-book-shadow"}),this.wrapper.append(this.bookShadow),this.wrapper.addClass("df-sheet")}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],j(q(n.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){this.element.remove()}},{key:"resize",value:function(){var t=this,i=t.app.dimensions,n=i.padding,o=this.app.viewer.availablePageHeight(),a=this.app.viewer.availablePageWidth(),r=t.fullWidth=a*(this.app.viewer.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE?1:2),s=i.stage.innerWidth,l=i.stage.innerHeight,u=t.shiftHeight=Math.ceil(Z.limitAt((o-l)/2,0,o)),h=t.shiftWidth=Math.ceil(Z.limitAt((r-s)/2,0,r));1===t.app.zoomValue&&(t.left=0,t.top=0),t.element.css({top:-u,bottom:-u,right:-h,left:-h,paddingTop:n.top,paddingRight:n.right,paddingBottom:n.bottom,paddingLeft:n.left,transform:"translate3d("+t.left+"px,"+t.top+"px,0)"}),t.wrapper.css({width:r,height:o,marginTop:i.height-o-n.height>0?(i.height-n.height-o)/2:0}),this.wrapper.height(o).width(r-r%2),!0===t.app.pendingZoom&&t.zoom(),this.app.viewer.annotedPage=null,this.pagesReady()}},{key:"zoom",value:function(){var e=this,t=this.app;if(t.zoomChanged){var i=t.dimensions.origin,n=t.zoomValueChange;if(1===t.zoomValue)e.left=0,e.top=0;else{e.left*=n,e.top*=n,t.viewer.zoomCenter||(t.viewer.zoomCenter={x:i.x,y:i.y});var o={raw:t.viewer.zoomCenter},a={raw:{}},r=(o.raw.x-i.x)*n,s=(o.raw.y-i.y)*n;a.raw.x=i.x+r,a.raw.y=i.y+s,e.startPoint=a,e.pan(o),e.startPoint=null}}t.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,a=n?this.leftPage:this.rightPage;o.pageNumber=i,a.pageNumber=i+1,o.updateCSS({display:0===i?"none":"block"}),a.updateCSS({display:a.pageNumber>e.pageCount||t.isBooklet?"none":"block"})}},{key:"updateCenter",value:function(){var e=this;if(null!==e&&null!==e.app.viewer){var t=e.app.viewer.centerShift,i=e.app.viewer.isRTL,n=t*(!i&&e.app.currentPageNumber>1||i&&e.app.currentPageNumber<e.app.pageCount?e.leftSheetWidth:e.rightSheetWidth)/2;e.wrapper[0].style.left=n+"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||this.app.viewer.isRTL?0:1));if(t){var n=Z.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}if(i){var o=Z.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}null==t&&null==i||(this.totalSheetsWidth=this.leftSheetWidth+this.rightSheetWidth,this.leftPage.element.height(Math.floor(this.leftSheetHeight)).width(Math.floor(this.leftSheetWidth)).css({transform:"translateY("+Math.floor(this.leftSheetTop)+"px)"}),this.rightPage.element.height(Math.floor(this.rightSheetHeight)).width(Math.floor(this.rightSheetWidth)).css({transform:"translateY("+Math.floor(this.rightSheetTop)+"px)"}))}}},{key:"textureLoadedCallback",value:function(e){this.getPageByNumber(e.pageNumber);this.pagesReady()}}]),n}(y),X=function(){function t(e){B(this,t),this.parentElement=e.parentElement,this.isFlipping=!1,this.isOneSided=!1,this.viewer=e.viewer,this.frontPage=null,this.backPage=null,this.pageNumber=void 0,this.animateToReset=null}return U(t,[{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(){var t=this;t.animateToReset=null,t.isFlipping=!1,t.currentTween=null,t.pendingPoint=null,t.magnetic=!1,t.skipFlip=!0,t.animateToReset=null,t.viewer.dragPage=null,t.viewer.flipPage=null,t.viewer.corner=e.TURN_CORNER.NONE}}]),t}();function Y(e){return Y="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},Y(e)}function J(){return J="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=ae(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(arguments.length<3?e:i):o.value}},J.apply(this,arguments)}function $(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function ee(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==Y(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==Y(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===Y(a)?a:String(a)),n)}var o,a}function te(e,t,i){return t&&ee(e.prototype,t),i&&ee(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function ie(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&ne(e,t)}function ne(e,t){return ne=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},ne(e,t)}function oe(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=ae(e);if(t){var o=ae(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===Y(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(this,i)}}function ae(e){return ae=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},ae(e)}var re=e,se=re.utils,le=function(t){ie(n,t);var i=oe(n);function n(e){var t;return $(this,n),(t=i.call(this,e)).init(),t}return te(n,[{key:"init",value:function(){var e=this,t="<div>",i=e.element=jQuery(t,{class:"df-sheet"}),n=e.frontPage=new O;n.element.addClass("df-page-front");var o=e.backPage=new O;o.element.addClass("df-page-back");var a=e.wrapper=jQuery(t,{class:"df-sheet-wrapper"}),r=e.foldInnerShadow=jQuery(t,{class:"df-sheet-fold-inner-shadow"}),s=e.foldOuterShadow=jQuery(t,{class:"df-sheet-fold-outer-shadow"});this.parentElement.append(i),i.append(a),i.append(s),a.append(n.element),a.append(o.element),a.append(r)}},{key:"updateCSS",value:function(e){this.element.css(e)}},{key:"resetCSS",value:function(){var e=this;e.wrapper.css({transform:""}),e.frontPage.resetCSS(),e.backPage.resetCSS()}},{key:"updateSize",value:function(e,t,i){e=Math.floor(e),t=Math.floor(t),i=Math.floor(i),this.wrapper[0].style.height=this.wrapper[0].style.width=Math.ceil(se.distOrigin(e,t)*this.viewer.app.zoomValue)+"px",this.element[0].style.height=this.frontPage.element[0].style.height=this.backPage.element[0].style.height=this.foldInnerShadow[0].style.height=t+"px",this.element[0].style.width=this.frontPage.element[0].style.width=this.backPage.element[0].style.width=this.foldInnerShadow[0].style.width=e+"px",this.element[0].style.transform="translateY("+i+"px)"}},{key:"flip",value:function(t){var i=this;if(t=t||i.pendingPoint,null!=i&&null!=i.viewer){i.isFlipping=!0,i.viewer.flipPage=i;var n,o,a=i.viewer.isBooklet,r=i.side===e.TURN_DIRECTION.RIGHT,s=i.viewer.isRTL,l=i.viewer.corner===e.TURN_CORNER.BL||i.viewer.corner===e.TURN_CORNER.BR?i.element.height():0,u=i.viewer.leftSheetWidth+i.viewer.rightSheetWidth,h=0;o=i.end=i&&!0===i.animateToReset?{x:r?u:0,y:l}:{x:r?0:u,y:l},i.flipEasing=i.isHard?TWEEN.Easing.Quadratic.InOut:TWEEN.Easing.Linear.None;var p=i.viewer.app.options.duration;!0===i.isHard?(null!=t&&(h=se.angleByDistance(t.distance,t.fullWidth)),n=i.init={angle:h*(r?-1:1)},o=i.end=i&&!0===i.animateToReset?{angle:r?0:-0}:{angle:r?-180:180}):null==t?n=i.init=i&&!0===i.animateToReset?{x:r?0:u,y:0}:{x:r?u:0,y:0}:(n=i.init={x:t.x,y:t.y,opacity:1},p=i.viewer.app.options.duration*se.distPoints(n.x,n.y,o.x,o.y)/i.viewer.fullWidth,p=se.limitAt(p,i.viewer.app.options.duration/3,i.viewer.duration)),n.index=0,o.index=1,i.isFlipping=!0,a&&(!r&&!s||r&&s)&&(i.element[0].style.opacity=0),!0===i.isHard?i.currentTween=new TWEEN.Tween(n).delay(0).to(o,i.viewer.app.options.duration).onUpdate((function(){i.updateTween(this)})).easing(i.flipEasing).onComplete(i.completeTween.bind(i)).start():i.currentTween=null==t?new TWEEN.Tween(n).delay(0).to(o,i.viewer.app.options.duration).onUpdate((function(){i.updateTween(this)})).easing(TWEEN.Easing.Sinusoidal.Out).onComplete(i.completeTween.bind(i)).start():new TWEEN.Tween(n).delay(0).to(o,p).onUpdate((function(){i.updateTween(this)})).easing(TWEEN.Easing.Sinusoidal.Out).onComplete(i.completeTween.bind(i)).start()}}},{key:"updatePoint",value:function(t){var i=this;if(null!=t){var n=i.element.width(),o=i.element.height(),a=i.viewer.corner!==e.TURN_CORNER.NONE?i.viewer.corner:t.corner,r=e.TURN_CORNER,s=i.side===e.TURN_DIRECTION.RIGHT,l=a===r.BL||a===r.BR;t.rx=!0===s?i.viewer.leftSheetWidth+n-t.x:t.x,t.ry=!0===l?o-t.y:t.y;var u=Math.atan2(t.ry,t.rx);u=Math.PI/2-se.limitAt(u,0,se.toRad(90));var h=n-t.rx/2,p=t.ry/2,c=Math.max(0,Math.sin(u-Math.atan2(p,h))*se.distOrigin(h,p)),d=.5*se.distOrigin(t.rx,t.ry),f=Math.ceil(n-c*Math.sin(u)),g=Math.ceil(c*Math.cos(u)),v=se.toDeg(u),m=l?s?90-v+180:180+v:s?v:90-v,y=l?s?90-v+180:v:s?v+180:m,b=l?s?90-v:v+90:s?m-90:m+180,w=s?n-f:f,P=l?o+g:-g,S=s?-f:f-n,C=l?-o-g:g,T=se.limitAt(.5*t.distance/n,0,.5),x=se.limitAt(.5*(i.viewer.leftSheetWidth+n-t.rx)/n,.05,.3);i.element.addClass("df-folding");var k=s?i.backPage.element:i.frontPage.element,E=s?i.frontPage.element:i.backPage.element,O=i.foldOuterShadow,R=i.foldInnerShadow;i.wrapper.css({transform:se.translateStr(w,P)+se.rotateStr(m)}),E.css({transform:se.rotateStr(-m)+se.translateStr(-w,-P)}),k.css({transform:se.rotateStr(y)+se.translateStr(S,C),boxShadow:"rgba(0, 0, 0, "+T+") 0px 0px 20px"}),R.css({transform:se.rotateStr(y)+se.translateStr(S,C),opacity:x/2,backgroundImage:se.prefix.css+"linear-gradient( "+b+"deg, rgba(0, 0, 0, 0.25) , rgb(0, 0, 0) "+.7*d+"px, rgb(255, 255, 255) "+d+"px)"}),O.css({opacity:x/2,left:s?"auto":0,right:s?0:"auto",backgroundImage:se.prefix.css+"linear-gradient( "+(180-b)+"deg, rgba(0, 0, 0,0) "+d/3+"px, rgb(0, 0, 0) "+d+"px)"})}}},{key:"updateAngle",value:function(e,t){var i=this,n=5*i.element.width();i.wrapper.css({perspective:n,perspectiveOrigin:!0===t?"0% 50%":"100% 50%"}),i.element.addClass("df-folding"),i.backPage.updateCSS({display:!0===t?e<=-90?"block":"none":e<90?"block":"none",transform:("MfS"!==se.prefix.dom?"":"perspective("+n+"px) ")+(!0===t?"translateX(-100%) ":"")+"rotateY("+((!0===t?180:0)+e)+"deg)"}),i.frontPage.updateCSS({display:!0===t?e>-90?"block":"none":e>=90?"block":"none",transform:("MSd"!==se.prefix.dom?"":"perspective("+n+"px) ")+(!1===t?"translateX(100%) ":"")+"rotateY("+((!1===t?-180:0)+e)+"deg)"})}},{key:"updateTween",value:function(t){var i=this,n=i.viewer.isBooklet,o=i.side===e.TURN_DIRECTION.RIGHT,a=i.viewer.isRTL,r=!0===i.animateToReset;!0===i.isHard?(i.updateAngle(t.angle,o),i.angle=t.angle):(i.updatePoint({x:t.x,y:t.y}),i.x=t.x,i.y=t.y),n&&!r&&(i.element[0].style.opacity=o&&!a||!o&&a?t.index>.5?2*(1-t.index):1:t.index<.5?2*t.index:1)}},{key:"completeTween",value:function(){var e=this;!0===e.isHard?(e.updateAngle(e.end.angle),e.backPage.element.css({display:"block"}),e.frontPage.element.css({display:"block"})):e.updatePoint({x:e.end.x,y:e.end.y}),e.element[0].style.opacity=1,!0!==e.animateToReset&&(e.side=e.targetSide),e.reset(),e.viewer.onFlip(),e.viewer.afterFlip(),e.viewer.requestRefresh()}}]),n}(X),ue=function(t){ie(n,t);var i=oe(n);function n(t,o){var a,r;return $(this,n),t.viewerClass=null!==(a=t.viewerClass)&&void 0!==a?a:"df-flipbook-2d",t.skipViewerLoaded=!0,(r=i.call(this,t,o)).bookShadow=jQuery("<div>",{class:"df-book-shadow"}),r.wrapper.append(r.bookShadow),r.corner=e.TURN_CORNER.NONE,o._viewerPrepared(),r}return te(n,[{key:"init",value:function(){J(ae(n.prototype),"init",this).call(this),this.initEvents(),this.initPages()}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],J(ae(n.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){J(ae(n.prototype),"dispose",this).call(this),this.element.remove()}},{key:"initPages",value:function(){for(var e=0;e<this.stackCount;e++){var t=new le({parentElement:this.wrapper});t.index=e,t.viewer=this,this.sheets.push(t),this.pages.push(t.frontPage),this.pages.push(t.backPage)}}},{key:"resize",value:function(){J(ae(n.prototype),"resize",this).call(this);var e=this,t=e.app.dimensions,i=t.padding,o=this.availablePageHeight(),a=this.availablePageWidth(),r=e.fullWidth=2*a,s=t.width,l=t.height,u=e.shiftHeight=Math.ceil(se.limitAt((o-l+i.height)/2,0,o)),h=e.shiftWidth=Math.ceil(se.limitAt((r-s+i.width)/2,0,r));1===e.app.zoomValue&&(e.left=0,e.top=0),e.element.css({top:-u,bottom:-u,right:-h,left:-h,paddingTop:i.top,paddingRight:i.right,paddingBottom:i.bottom,paddingLeft:i.left,transform:"translate3d("+e.left+"px,"+e.top+"px,0)"}),e.wrapper.css({marginTop:Math.max(t.height-o-i.height)/2,height:o,width:r-r%2}),e.zoomViewer.resize(),e.centerNeedsUpdate=!0,e.checkCenter(!0),e.pagesReady()}},{key:"updateCenter",value:function(){var e=arguments.length>0&&void 0!==arguments[0]&&arguments[0],t=this,i=t.centerShift,n=(t.isRTL,i*(this.isLeftPage()?this.leftSheetWidth:this.rightSheetWidth)/2);t.seamPosition=(-t.app.dimensions.offset.width+t.app.dimensions.containerWidth)/2+n,t.wrapperShift=(t.isSingle?-t.app.dimensions.stage.innerWidth/2:0)+n,t.wrapper[0].style.left=t.wrapperShift+"px",t.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===re.TURN_DIRECTION.LEFT?"df-left-side":"df-right-side"),t.side=t.targetSide,t.targetSide===re.TURN_DIRECTION.LEFT?t.updateSize(this.leftSheetWidth,this.leftSheetHeight,this.leftSheetTop):t.updateSize(this.rightSheetWidth,this.rightSheetHeight,this.rightSheetTop))),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;e=se.fixMouseEvent(e);var i,n,o,a,r,s,l,u,h,p=t.wrapper[0].getBoundingClientRect(),c=t.is3D,d=t.sheets,f=(t.app.dimensions,{x:e.clientX,y:e.clientY}),g=t.parentElement[0].getBoundingClientRect();f.x=f.x-g.left,f.y=f.y-g.top,i=(h=t.dragSheet?t.dragSheet.side===re.TURN_DIRECTION.RIGHT:f.x>t.seamPosition)?t.rightSheetWidth:t.leftSheetWidth,o=h?t.rightSheetHeight:t.leftSheetHeight,n=t.rightSheetWidth+t.leftSheetWidth,r=h?t.rightSheetTop:t.leftSheetTop,a=f.x-(t.seamPosition-t.leftSheetWidth),r=f.y-(p.top-g.top)-r,s=t.drag===re.TURN_DIRECTION.NONE?a<i?a:n-a:t.drag===re.TURN_DIRECTION.LEFT?a:n-a,l=h?d[t.stackCount/2]:d[t.stackCount/2-1],u=a<t.foldSense?re.TURN_DIRECTION.LEFT:a>n-t.foldSense?re.TURN_DIRECTION.RIGHT:re.TURN_DIRECTION.NONE;var v,m=a,y=r,b=o,w=n,P=t.foldSense;return{isInsideSheet:m>=0&&m<=w&&y>=0&&y<=b,isInsideCorner:(v=m>=0&&m<P?y>=0&&y<=P?re.TURN_CORNER.TL:y>=b-P&&y<=b?re.TURN_CORNER.BL:y>P&&y<b-P?re.TURN_CORNER.L:re.TURN_CORNER.NONE:m>=w-P&&m<=w?y>=0&&y<=P?re.TURN_CORNER.TR:y>=b-P&&y<=b?re.TURN_CORNER.BR:y>P&&y<b-P?re.TURN_CORNER.R:re.TURN_CORNER.NONE:re.TURN_CORNER.NONE)!==re.TURN_CORNER.NONE&&v!==re.TURN_CORNER.L&&v!==re.TURN_CORNER.R,x:c?f.x:a,y:c?f.y:r,fullWidth:n,sheetWidth:i,sheetHeight:o,rawDistance:n-a,distance:s,sheet:l,drag:u,foldSense:t.foldSense,event:e,raw:f,corner:v}}},{key:"pan",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];se.pan(this,e,t)}},{key:"mouseMove",value:function(e){var t=this,i=t.eventToPoint(e);if(null==e.touches||2!=e.touches.length){1!==t.app.zoomValue&&null!=t.startPoint&&!0===t.canSwipe&&(t.pan(i),e.preventDefault());var n=t.dragSheet||i.sheet;if(null==t.flipPage&&(null!=t.dragSheet||!0===i.isInsideCorner)){null!=t.dragSheet||(i.y=se.limitAt(i.y,1,t.availablePageHeight()-1),i.x=se.limitAt(i.x,1,i.fullWidth-1));var o=null!=t.dragSheet?t.corner:i.corner;if(n.isHard){var a=o===re.TURN_CORNER.BR||o===re.TURN_CORNER.TR,r=se.angleByDistance(i.distance,i.fullWidth);n.updateAngle(r*(a?-1:1),a)}else n.updatePoint(i);n.magnetic=!0,n.magneticCorner=i.corner,e.preventDefault()}null==t.dragSheet&&null!=n&&!1===i.isInsideCorner&&!0===n.magnetic&&(n.pendingPoint=i,n.animateToReset=!0,n.magnetic=!1,t.corner=n.magneticCorner,n.flip(n.pendingPoint),n.pendingPoint=null),t.checkSwipe(i,e)}else this.pinchMove(e)}},{key:"mouseUp",value:function(t){var i=this;if(null!=i.startPoint&&(t.touches||0===t.button))if(null!=i.dragSheet||null==t.touches||0!=t.touches.length){var n=i.eventToPoint(t),o=t.target||t.originalTarget,a=1===i.app.zoomValue&&n.x===i.startPoint.x&&n.y===i.startPoint.y&&"A"!==o.nodeName;if(!0===t.ctrlKey&&a)this.zoomOnPoint(n);else if(i.dragSheet){t.preventDefault();var r=i.dragSheet;if(r.pendingPoint=n,i.drag=n.drag,a&&(!0===n.isInsideCorner||n.isInsideSheet&&i.clickAction===re.MOUSE_CLICK_ACTIONS.NAV))n.corner.indexOf("l")>-1?i.app.openLeft():i.app.openRight();else{var s=this.getBasePage();n.distance>n.sheetWidth/2&&(n.sheet.side===e.TURN_DIRECTION.LEFT?i.app.openLeft():i.app.openRight()),s===this.getBasePage()&&(r.animateToReset=!0,r.flip(n))}i.dragSheet=null,r.magnetic=!1}else a&&!n.sheet.isFlipping&&n.isInsideSheet&&i.clickAction===re.MOUSE_CLICK_ACTIONS.NAV&&("left"===n.sheet.side?i.app.openLeft():i.app.openRight());i.startPoint=null,i.canSwipe=!1,i.drag=re.TURN_DIRECTION.NONE}else this.pinchUp(t)}},{key:"mouseDown",value:function(e){if(e.touches||0===e.button)if(null==e.touches||2!=e.touches.length){var t=this,i=t.eventToPoint(e);t.startPoint=i,t.lastPosX=i.x,t.lastPosY=i.y,i.isInsideCorner&&null==t.flipPage?(t.dragSheet=i.sheet,t.drag=i.drag,t.corner=i.corner,0===i.sheet.pageNumber?t.bookShadow.css({width:"50%",left:t.app.isRTL?0:"50%",transitionDelay:""}):i.sheet.pageNumber===Math.ceil(t.app.pageCount/2)-1&&t.bookShadow.css({width:"50%",left:t.app.isRTL?"50%":0,transitionDelay:""})):t.canSwipe=!0}else this.pinchDown(e)}},{key:"onScroll",value:function(e){}},{key:"resetPageTween",value:function(){for(var e=this,t=0;t<e.stackCount;t++){var i=e.sheets[t];i.currentTween&&i.currentTween.complete(!0)}e.requestRefresh()}},{key:"pagesReady",value:function(){if(!this.isFlipping()){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||this.isRTL?0:1));if(t){var n=se.contain(t.width,t.height,this.availablePageWidth(),this.availablePageHeight());this.leftSheetWidth=Math.floor(n.width),this.leftSheetHeight=Math.floor(n.height),this.leftSheetTop=(this.availablePageHeight()-this.leftSheetHeight)/2}if(i){var o=se.contain(i.width,i.height,this.availablePageWidth(),this.availablePageHeight());this.rightSheetWidth=Math.floor(o.width),this.rightSheetHeight=Math.floor(o.height),this.rightSheetTop=(this.availablePageHeight()-this.rightSheetHeight)/2}this.totalSheetsWidth=this.leftSheetWidth+this.rightSheetWidth;for(var a=0;a<this.sheets.length;a++){var r=this.sheets[a];r.side===re.TURN_DIRECTION.LEFT?r.updateSize(this.leftSheetWidth,this.leftSheetHeight,this.leftSheetTop):r.updateSize(this.rightSheetWidth,this.rightSheetHeight,this.rightSheetTop)}}this.updateCenter(),this.updatePendingStatusClass()}}},{key:"textureLoadedCallback",value:function(e){this.getPageByNumber(e.pageNumber);this.pagesReady()}}]),n}(K);function he(e){return he="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},he(e)}function pe(){return pe="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=ye(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(arguments.length<3?e:i):o.value}},pe.apply(this,arguments)}function ce(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function de(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==he(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==he(n))return n;throw new TypeError("@@toPrimitive must return a 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o=ye(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===he(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(this,i)}}function ye(e){return ye=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},ye(e)}var be=e.utils,we=function(e){ge(i,e);var t=me(i);function i(){return ce(this,i),t.apply(this,arguments)}return fe(i,[{key:"init",value:function(){var e=this,t=e.element=jQuery("<div>",{class:"df-sheet"});(e.frontPage=new O).element.addClass("df-page-front").appendTo(e.element),(e.backPage=new O).element.addClass("df-page-back").appendTo(e.element),this.parentElement.append(t),this.frontPage.sheet=this.backPage.sheet=this}},{key:"completeTween",value:function(){var e=this;e.isFlipping=!1,e.viewer.onFlip(),e.viewer.afterFlip(),e.viewer.requestRefresh(),e.element[0].style.opacity=1}},{key:"flip",value:function(e){this.side=this.targetSide,this.completeTween()}},{key:"updateSize",value:function(e,t,i){e=Math.floor(e),t=Math.floor(t),i=Math.floor(i),this.element[0].style.height=this.frontPage.element[0].style.height=t+"px",this.element[0].style.width=this.frontPage.element[0].style.width=e+"px",this.element[0].style.transform="translateX("+this.positionX+"px) translateY("+i+"px)"}}]),i}(le),Pe=function(t){ge(n,t);var i=me(n);function n(t,o){var a;return ce(this,n),t.viewerClass="df-slider",t.pageMode=e.FLIPBOOK_PAGE_MODE.SINGLE,t.singlePageMode=e.FLIPBOOK_SINGLE_PAGE_MODE.BOOKLET,t.pageSize=e.FLIPBOOK_PAGE_SIZE.SINGLE,(a=i.call(this,t,o)).stackCount=10,a.soundOn=!1,a.foldSense=0,o._viewerPrepared(),a}return fe(n,[{key:"initPages",value:function(){for(var e=0;e<this.stackCount;e++){var t=new we({parentElement:this.wrapper});t.index=e,t.viewer=this,this.sheets.push(t),this.pages.push(t.frontPage),this.pages.push(t.backPage)}}},{key:"resize",value:function(){pe(ye(n.prototype),"resize",this).call(this),this.skipTransition=!0}},{key:"refreshSheet",value:function(t){var i=t.sheet,n=t.sheetNumber;i.element.toggleClass("df-no-transition",i.skipFlip||this.skipTransition),!1===i.isFlipping&&(t.needsFlip?i.flip():(i.skipFlip=!1,i.element.removeClass("df-flipping df-quick-turn df-folding df-left-side df-right-side"),i.element.addClass(i.targetSide===e.TURN_DIRECTION.LEFT?"df-left-side":"df-right-side"),i.side=i.targetSide)),i.visible=t.visible,i.updateCSS({display:t.sheetNumber>0&&t.sheetNumber<=this.app.pageCount?"block":"none",zIndex:t.zIndex}),n!==i.pageNumber&&(i.element.attr("number",n),i.backPage.element.attr("pagenumber",i.backPage.pageNumber),i.frontPage.element.attr("pagenumber",i.frontPage.pageNumber))}},{key:"refresh",value:function(){pe(ye(n.prototype),"refresh",this).call(this),this.skipTransition=!1}},{key:"eventToPoint",value:function(e){var t=pe(ye(n.prototype),"eventToPoint",this).call(this,e);return t.isInsideSheet=jQuery(e.srcElement).closest(".df-page").length>0,t.isInsideCorner=!1,t}},{key:"initCustomControls",value:function(){var e=this.app.ui.controls;e.pageMode&&e.pageMode.hide()}},{key:"setPageMode",value:function(e){e.isSingle=!0,pe(ye(n.prototype),"setPageMode",this).call(this,e)}},{key:"pagesReady",value:function(){if(!this.isFlipping()){for(var e=0,t=0,i=this.app,n=(Math.floor(this.stackCount/2),[]),o=i.currentPageNumber,a=0;a<this.stackCount/2;a++)n.push(o+a),n.push(o-a-1);for(var r=0;r<this.stackCount;r++){var s=n[r];if(this.getPageByNumber(s)){var l=this.getPageByNumber(s).sheet,u=this.getViewPort(l.pageNumber,!0),h=be.contain(u.width,u.height,this.availablePageWidth(),this.availablePageHeight());i.currentPageNumber===l.pageNumber&&(this.leftSheetWidth=this.rightSheetWidth=Math.floor(h.width)),i.currentPageNumber>l.pageNumber?(e-=Math.floor(h.width)+10,l.positionX=e):(l.positionX=t,t+=Math.floor(h.width)+10);var p=(this.availablePageHeight()-h.height)/2;l.updateSize(Math.floor(h.width*i.zoomValue),Math.floor(h.height*i.zoomValue),p)}}this.updateCenter(),this.updatePendingStatusClass()}}}]),n}(ue);function Se(e){return Se="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},Se(e)}function Ce(){return Ce="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=Ne(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(arguments.length<3?e:i):o.value}},Ce.apply(this,arguments)}function Te(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function xe(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==Se(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==Se(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===Se(a)?a:String(a)),n)}var o,a}function ke(e,t,i){return t&&xe(e.prototype,t),i&&xe(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function Ee(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&Oe(e,t)}function Oe(e,t){return Oe=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},Oe(e,t)}function Re(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=Ne(e);if(t){var o=Ne(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===Se(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return Le(e)}(this,i)}}function Le(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function Ne(e){return Ne=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},Ne(e)}var Ie=e,_e=Ie.utils,Ae=function(e){Ee(i,e);var t=Re(i);function i(e){var n;return Te(this,i),(n=t.call(this,e)).flexibility=e.flexibility,n.sheetAngle=180,n.curveAngle=0,n.parent3D=e.parent3D,n.segments=e.segments||50,n.width=e.width||100,n.height=e.height||100,n.depth=e.depth||.5,n.matColor="white",n.fallbackMatColor=Fe.WHITE_COLOR,n.init(),n.bumpScale=[0,0,0,0,1,1],n}return ke(i,[{key:"init",value:function(){var e=this;e.element=new Fe.Paper({parent3D:e.parent3D,segments:e.segments,depth:e.depth,height:e.height,width:e.width,flatShading:0===e.flexibility}),e.element.sheet=e,e.frontPage=new De({sheet:e,face:5}),e.backPage=new De({sheet:e,face:4}),e.reset(),e.updateAngle()}},{key:"setMatColor",value:function(e,t){if(this.matColor=new THREE.Color(e),void 0===t)for(var i=0;i<6;i++)this.element.material[i].color=this.matColor;else this.element.material[t].color=this.matColor}},{key:"getBumpScale",value:function(e){return this.bumpScale[e]}},{key:"resetMatColor",value:function(e,t){this.element.material[e].color=t?this.matColor:this.fallbackMatColor}},{key:"frontImage",value:function(e,t){this.element.frontImage(e,t)}},{key:"backImage",value:function(e,t){this.element.backImage(e,t)}},{key:"updateAngle",value:function(){var e=this;if(void 0!==this.viewer&&null!==this.viewer){var t=!0===e.isHard?0:e.flexibility,i=("vertical"===this.viewer.orientation?this.height:this.width)*(1-Math.sin(t/2*(t/2))/2-t/20);this.element.scale.y=("vertical"===this.viewer.orientation?this.width:this.height)/this.element.geometry.parameters.height;var n=e.segments,o=i/1,a=o*t,r=o,s=[],l=[],u=[],h=[],p=[],c=[],d=e.depth,f=0,g=[];g.push(f),p[0]=[],c[0]=[];var v=e.sheetAngle*Math.PI/180;"vertical"!==this.viewer.orientation&&(this.element.position.x=-Math.cos(v)*this.viewer.pageOffset),"vertical"===this.viewer.orientation&&(this.element.position.y=Math.cos(v)*this.viewer.pageOffset);var m=!0===e.isHard?v:e.curveAngle*Math.PI/180,y=e.sheetAngle*Math.PI/180,b=y-Math.PI/2,w=Math.sin(b)*d/2;p[0][0]=p[0][1]=new THREE.Vector3(-r*Math.cos(v),0,Math.sin(v)*r-w),c[0][0]=c[0][1]=new THREE.Vector3(p[0][0].x-Math.cos(b)*d,0,p[0][0].z+2*w),p[0][1]=new THREE.Vector3(-r/2*Math.cos(m),0,r/2*Math.sin(m)-w),c[0][1]=new THREE.Vector3(p[0][1].x-Math.cos(b)*d,0,p[0][1].z+2*w),y=(45+e.sheetAngle/2)*Math.PI/180,p[0][2]=new THREE.Vector3(-Math.cos(y)*a/2,0,Math.sin(y)*a-w),c[0][2]=new THREE.Vector3(p[0][2].x+Math.cos(b)*d,0,p[0][2].z+2*w),Math.abs(c[0][2].x-0)<5e-4&&(c[0][2].x=0),p[0][3]=new THREE.Vector3(0,0,-w),c[0][3]=new THREE.Vector3(p[0][3].x-Math.cos(b)*d,0,p[0][3].z+2*w),Math.abs(c[0][3].x-0)<5e-4&&(c[0][3].x=0);for(var P=0;P<1;P++){var S=Math.max(e.segments-1,1);s[P]=new THREE.CubicBezierCurve3(p[P][0],p[P][1],p[P][2],p[P][3]),u[P]=s[P].getPoints(S),S>2&&u[P].push((new THREE.Vector3).copy(u[P][S]));for(var C=void 0,T=u[P][0],x=1;x<u[P].length;x++)f+=(C=u[P][x]).distanceTo(T),g.push(f),T=C;l[P]=new THREE.CubicBezierCurve3(c[P][0],c[P][1],c[P][2],c[P][3]),h[P]=l[P].getPoints(S),S>2&&h[P].push((new THREE.Vector3).copy(h[P][S]))}var k=e.element.geometry;if(void 0!==k.attributes){var E=k.attributes.position,O=k.attributes.uv,R=n+1;E.setZ(0,u[0][n].z),E.setZ(2,u[0][n].z),E.setX(0,u[0][n].x),E.setX(2,u[0][n].x),E.setZ(1,h[0][n].z),E.setZ(3,h[0][n].z),E.setX(1,h[0][n].x),E.setX(3,h[0][n].x),E.setZ(5,u[0][0].z),E.setZ(7,u[0][0].z),E.setX(5,u[0][0].x),E.setX(7,u[0][0].x),E.setZ(4,h[0][0].z),E.setZ(6,h[0][0].z),E.setX(4,h[0][0].x),E.setX(6,h[0][0].x);for(var L=0;L<1;L++)for(var N=0;N<R;N++)E.setZ(8+0*R+N,u[0][N].z),E.setX(8+0*R+N,u[0][N].x),E.setZ(8+1*R+N,h[0][N].z),E.setX(8+1*R+N,h[0][N].x),E.setZ(8+2*R+N,u[0][N].z),E.setX(8+2*R+N,u[0][N].x),E.setZ(8+3*R+N,h[0][N].z),E.setX(8+3*R+N,h[0][N].x),E.setZ(8+4*R+N,u[0][N].z),E.setX(8+4*R+N,u[0][N].x),E.setZ(8+5*R+N,u[0][N].z),E.setX(8+5*R+N,u[0][N].x),O.setX(8+4*R+N,g[N]/f),O.setX(8+5*R+N,g[N]/f),E.setZ(8+6*R+N,h[0][n-N].z),E.setX(8+6*R+N,h[0][n-N].x),E.setZ(8+7*R+N,h[0][n-N].z),E.setX(8+7*R+N,h[0][n-N].x),O.setX(8+6*R+N,1-g[n-N]/f),O.setX(8+7*R+N,1-g[n-N]/f);k.computeBoundingBox(),e.element.scale.x=1*r/f,k.computeBoundingSphere(),E.needsUpdate=!0,O.needsUpdate=!0,k.computeVertexNormals()}else{var I=k.vertices,_=n-1,A=8;I[0].z=I[2].z=u[0][n].z,I[0].x=I[2].x=u[0][n].x,I[1].z=I[3].z=h[0][n].z,I[1].x=I[3].x=h[0][n].x,I[5].z=I[7].z=u[0][0].z,I[5].x=I[7].x=u[0][0].x,I[4].z=I[6].z=h[0][0].z,I[4].x=I[6].x=h[0][0].x;for(var M=0;M<1;M++)for(var D=1;D<n;D++)I[A].z=I[A+3*_].z=h[0][D].z,I[A].x=I[A+3*_].x=h[0][D].x,I[A+_].z=I[A+2*_].z=u[0][D].z,I[A+_].x=I[A+2*_].x=u[0][D].x,A++;for(var F=k.faceVertexUvs[0],z=k.faces,B=0,H=0;H<F.length;H++)if(z[H].materialIndex===Fe.MATERIAL_FACE.BACK){var U=g[B]/f;H%2==0?(F[H][0].x=F[H][1].x=F[H+1][0].x=U,B++):F[H-1][2].x=F[H][1].x=F[H][2].x=U}else if(z[H].materialIndex===Fe.MATERIAL_FACE.FRONT){var j=1-g[B]/f;H%2==0?(F[H][0].x=F[H][1].x=F[H+1][0].x=j,B--):F[H-1][2].x=F[H][1].x=F[H][2].x=j}k.computeBoundingBox(),e.element.scale.x=1*r/f,k.computeBoundingSphere(),k.verticesNeedUpdate=!0,k.computeFaceNormals(),k.computeVertexNormals(),k.uvsNeedUpdate=!0,k.normalsNeedUpdate=!0}s.forEach((function(e){null})),l.forEach((function(e){null})),h.forEach((function(e){null})),u.forEach((function(e){null}))}}},{key:"flip",value:function(e,t){var i=this,n=i.viewer.isBooklet;1==i.isCover&&(0===e&&(e=2.5*i.viewer.flexibility),180===e&&(e-=2.5*i.viewer.flexibility));var o=t-e,a=e>90,r=i.viewer.isRTL,s=a?i.backPage.pageNumber:i.frontPage.pageNumber,l=this.viewer.getViewPort(s);l&&(l=_e.contain(l.width,l.height,i.viewer.availablePageWidth(),i.viewer.availablePageHeight()));var u=-(i.viewer.has3DCover&&i.viewer.isClosedPage()?i.viewer.coverExtraWidth:0),h=-(i.viewer.has3DCover&&i.viewer.isClosedPage()?i.viewer.coverExtraHeight:0);i.init={angle:e,angle2:a?180:0,height:a?i.viewer.rightSheetHeight:i.viewer.leftSheetHeight,width:a?i.viewer.rightSheetWidth:i.viewer.leftSheetWidth,index:a&&!r||!a&&r?1:0,_index:0},i.first={angle:e+o/4,angle2:90,index:a&&!r||!a&&r?1:.25},i.mid={angle:e+2*o/4,angle2:a?45:135,index:.5},i.mid2={angle:e+3*o/4,angle2:a?0:180,index:a&&!r||!a&&r?.25:1},i.end={angle:t,angle2:a?0:180,index:a&&!r||!a&&r?0:1,height:h+(l?l.height:i.height),width:u+(l?l.width:i.width)},i.isFlipping=!0;n&&(!a&&!r||a&&r)&&(i.element.material[5].opacity=i.element.material[4].opacity=0,i.element.castShadow=!1),i.currentTween=new TWEEN.Tween(i.init).to({angle:[i.first.angle,i.mid.angle,i.mid2.angle,i.end.angle],angle2:[i.first.angle2,i.mid.angle2,i.mid2.angle2,i.end.angle2],index:[i.first.index,i.mid.index,i.mid2.index,i.end.index],_index:1,height:i.end.height,width:i.end.width},i.viewer.app.options.duration).onUpdate((function(e){!function(e){i.sheetAngle=e.angle,i.curveAngle=i.isHard?e.angle:e.angle2,!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)}(this)})).easing(TWEEN.Easing.Sinusoidal.Out).onStop((function(){i.currentTween=null,i.isFlipping=!1,i.isCover&&(i.viewer.leftCover.isFlipping=!1,i.viewer.rightCover.isFlipping=!1),i.element.material[5].opacity=i.element.material[4].opacity=1})).onComplete((function(){i.updateAngle(),i.element.material[5].opacity=i.element.material[4].opacity=1,i.element.castShadow=!0,i.isFlipping=!1,i.isCover&&(i.viewer.leftCover.isFlipping=!1,i.viewer.rightCover.isFlipping=!1),i.side=i.targetSide,i.viewer.onFlip(),i.viewer.afterFlip(),i.currentTween=null,i.viewer&&i.viewer.requestRefresh&&i.viewer.requestRefresh()})).start(),i.currentTween.update(window.performance.now())}}]),i}(X),Me=function(t){Ee(n,t);var i=Re(n);function n(e,t){var o,a,r,s,l;return Te(this,n),e.viewerClass="df-flipbook-3d",(l=i.call(this,e,t)).pageOffset=5,l.spiralCount=20,l.groundDistance=null!==(o=e.groundDistance)&&void 0!==o?o:2,l.hasSpiral="true"===e.hasSpiral||!0===e.hasSpiral,l.flexibility=_e.limitAt(null!==(a=e.flexibility)&&void 0!==a?a:.9,0,10),l.hasSpiral&&(l.flexibility=0),l.drag3D=!1,l.texturePowerOfTwo=!_e.isMobile&&(null===(r=e.texturePowerOfTwo)||void 0===r||r),l.color3DSheets=null!==(s=l.app.options.color3DSheets)&&void 0!==s?s:"white",l.midPosition=0,l.initMOCKUP((function(){t._viewerPrepared()})),l}return ke(n,[{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,Fe.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(){Fe.init(),"function"==typeof e&&e()}))})):_e.getScript(t.options.threejsSrc+"?ver="+Ie.version,(function(){Fe.init(),"function"==typeof e&&e()}),(function(){t.updateInfo("Unable to load THREE.js...")}))):(Fe.init(),"function"==typeof e&&e())}},{key:"init",value:function(){var e=this.app;Ce(Ne(n.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(){Ce(Ne(n.prototype),"updatePageMode",this).call(this);var t=this.app;this.has3DCover=t.options.cover3DType!==e.FLIPBOOK_COVER_TYPE.NONE&&t.pageCount>7&&!this.isBooklet,this.has3DCover&&"none"===t.options.flipbookHardPages&&(t.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,t=e.stage=new Fe.Stage({pixelRatio:e.app.options.pixelRatio});(t.canvas=jQuery(t.renderer.domElement).addClass("df-3dcanvas")).appendTo(this.element),t.camera.position.set(0,0,600),t.camera.lookAt(new THREE.Vector3(0,0,0)),e.camera=t.camera,t.spotLight.position.set(-220,220,550),t.spotLight.castShadow=!_e.isMobile&&e.app.options.has3DShadow,t.spotLight.shadow&&(t.spotLight.shadow.bias=-.0035),t.ambientLight.color=new THREE.Color("#fff"),t.ambientLight.intensity=.82;var i=new THREE.ShadowMaterial;i.opacity=e.app.options.shadowOpacity,t.ground.oldMaterial=t.ground.material,t.ground.material=i,t.ground.position.z=this.has3DCover?-6:-4,t.selectiveRendering=!0;var n=t.cssRenderer=new THREE.CSS3DRenderer;jQuery(n.domElement).css({position:"absolute",top:0,pointerEvents:"none"}).addClass("df-3dcanvas df-csscanvas"),e.element[0].appendChild(n.domElement),t.cssScene=new THREE.Scene,e.wrapper.remove(),e.wrapper=new THREE.Group,e.stage.add(e.wrapper),e.wrapper.add(t.ground),e.bookWrapper=new THREE.Group,e.bookWrapper.name="bookwrapper",e.wrapper.add(e.bookWrapper),e.bookHelper=t.bookHelper=new THREE.BoxHelper(e.bookWrapper,16776960),t.add(e.bookHelper),e.bookHelper.visible=!1,e.cameraWrapper=new THREE.Group,e.cameraWrapper.add(t.camera),t.add(e.cameraWrapper),e.app.renderRequestStatus=Ie.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;t<this.stackCount;t++){var i=new Ae(e);i.index=t,i.viewer=this,this.sheets.push(i),i.setMatColor(this.color3DSheets),this.pages.push(i.frontPage),this.pages.push(i.backPage),this.stage.cssScene.add(i.frontPage.cssPage),this.stage.cssScene.add(i.backPage.cssPage)}e.depth=this.sheetsDepth,e.segments=1,e.flexibility=0,this.leftSheets=new Ae(e),this.rightSheets=new Ae(e),this.leftSheets.setMatColor(this.color3DSheets),this.rightSheets.setMatColor(this.color3DSheets),e.depth=this.coverDepth,this.leftCover=new Ae(e),this.rightCover=new Ae(e),this.leftCover.isHard=!0,this.rightCover.isHard=!0,this.set3DCoverNormal(),this.setcolor3DCover(this.app.options.color3DCover),this.stage.cssScene.add(this.leftCover.frontPage.cssPage),this.stage.cssScene.add(this.rightCover.backPage.cssPage),this.zoomViewer.leftPage.element.css({backgroundColor:this.color3DSheets}),this.zoomViewer.rightPage.element.css({backgroundColor:this.color3DSheets}),"vertical"===this.orientation&&this.bookWrapper.children.forEach((function(e){e.rotateZ(THREE.MathUtils.degToRad(-90)),e.textureCenter=new THREE.Vector2(.5,.5),e.textureRotation=90})),this.initSpiral()}},{key:"initSpiral",value:function(){var e;if(this.app.pageCount<3&&(this.hasSpiral=!1),!0===this.hasSpiral){this.spirals=new THREE.Group,this.leftHoles=new THREE.Group,this.rightHoles=new THREE.Group,this.spiralGroup=new THREE.Group;var t=new THREE.TorusGeometry(30,2,6,20),i=new THREE.MeshPhongMaterial({color:null!==(e=this.app.options.spiralColor)&&void 0!==e?e:8947848}),n=new THREE.Mesh(t,i);n.castShadow=!0,n.rotateX(-THREE.MathUtils.degToRad(-90));for(var o=new THREE.Mesh(new THREE.BoxGeometry(8,15,5,1,1,1),new THREE.MeshBasicMaterial({color:4473924})),a=new THREE.Mesh(new THREE.BoxGeometry(8,15,5,1,1,1),new THREE.MeshBasicMaterial({color:4473924})),r=0;r<this.spiralCount;r++){var s=935*r/this.spiralCount-467.5+935/this.spiralCount/2,l=n.clone();l.position.y=s-4,this.spirals.add(l),(l=n.clone()).position.y=s+4,this.spirals.add(l),(l=o.clone()).position.y=s,l.position.x=-28,this.leftHoles.add(l),(l=a.clone()).position.y=s,l.position.x=28,this.rightHoles.add(l)}this.spiralGroup.add(this.spirals),this.spiralGroup.add(this.leftHoles),this.spiralGroup.add(this.rightHoles),this.bookWrapper.add(this.spiralGroup),"vertical"===this.orientation&&this.spiralGroup.rotateZ(THREE.MathUtils.degToRad(-90)),this.spiralGroup.scale.set(.1,.1,.1)}}},{key:"set3DCoverNormal",value:function(){var t=this.app.options.cover3DType;if(t!==e.FLIPBOOK_COVER_TYPE.PLAIN){var i,n=t==e.FLIPBOOK_COVER_TYPE.RIDGE;this.hasSpiral&&1==n&&(n=!1),this.leftCover.fallbackMatColor=new THREE.Color("#f7f7f7"),this.rightCover.fallbackMatColor=new THREE.Color("#f7f7f7"),this.leftCover.setMatColor(this.color3DSheets,5),this.rightCover.setMatColor(this.color3DSheets,4);var o=128,a="rgb(127,127,255)",r=document.createElement("canvas");r.height=o,r.width=o;var s=r.getContext("2d");s.fillStyle=a,s.fillRect(0,0,o,o);var l=1.92;(i=s.createLinearGradient(0,0,l,0)).addColorStop(0,a),i.addColorStop(1,"rgb(127,255,255)"),s.fillStyle=i,s.beginPath(),s.moveTo(0,0),s.lineTo(l,l),s.lineTo(l,126.08),s.lineTo(0,126.08),s.closePath(),s.fill(),n&&((i=s.createLinearGradient(l,0,7.68,0)).addColorStop(0,"rgb(127,127,255)"),i.addColorStop(.25,"rgb(255,127,255)"),i.addColorStop(.5,"rgb(0,127,255)"),i.addColorStop(.75,"rgb(127,127,255)"),i.addColorStop(1,"rgb(127,127,255)"),s.fillStyle=i,s.fillRect(l,0,7.68,o)),(i=s.createLinearGradient(0,l,0,0)).addColorStop(0,a),i.addColorStop(1,"rgb(127,255,255)"),s.fillStyle=i,s.beginPath(),s.moveTo(n?5.76:l,0),s.lineTo(o,0),s.lineTo(126.08,l),s.lineTo(n?7.68:l,l),s.closePath(),s.fill(),(i=s.createLinearGradient(126.08,0,o,0)).addColorStop(0,a),i.addColorStop(1,"rgb(255,127,255)"),s.fillStyle=i,s.beginPath(),s.moveTo(126.08,l),s.lineTo(o,0),s.lineTo(o,o),s.lineTo(126.08,126.08),s.closePath(),s.fill(),(i=s.createLinearGradient(0,126.08,0,o)).addColorStop(0,a),i.addColorStop(1,"rgb(127,0,255)"),s.fillStyle=i,s.beginPath(),s.moveTo(n?7.68:l,126.08),s.lineTo(126.08,126.08),s.lineTo(o,o),s.lineTo(n?5.76:l,o),s.closePath(),s.fill(),this.leftCover.element.loadNormalMap(r,Fe.MATERIAL_FACE.FRONT);var u=document.createElement("canvas");u.height=o,u.width=o;var h=u.getContext("2d");h.fillStyle=a,h.fillRect(0,0,o,o),(i=h.createLinearGradient(126.08,0,o,0)).addColorStop(0,a),i.addColorStop(1,"rgb(255,127,255)"),h.fillStyle=i,h.beginPath(),h.moveTo(126.08,l),h.lineTo(o,0),h.lineTo(o,o),h.lineTo(126.08,126.08),h.closePath(),h.fill(),n&&((i=h.createLinearGradient(120.32,0,126.08,0)).addColorStop(0,"rgb(127,127,255)"),i.addColorStop(.25,"rgb(127,127,255)"),i.addColorStop(.5,"rgb(255,127,255)"),i.addColorStop(.75,"rgb(0,127,255)"),i.addColorStop(1,"rgb(127,127,255)"),h.fillStyle=i,h.fillRect(120.32,0,5.76,o)),(i=h.createLinearGradient(0,l,0,0)).addColorStop(0,a),i.addColorStop(1,"rgb(127,255,255)"),h.fillStyle=i,h.beginPath(),h.moveTo(0,0),h.lineTo(o-l*(n?3:0),0),h.lineTo(o-l*(n?4:1),l),h.lineTo(l,l),h.closePath(),h.fill(),(i=h.createLinearGradient(0,0,l,0)).addColorStop(0,a),i.addColorStop(1,"rgb(127,255,255)"),h.fillStyle=i,h.beginPath(),h.moveTo(0,0),h.lineTo(l,l),h.lineTo(l,126.08),h.lineTo(0,126.08),h.closePath(),h.fill(),(i=h.createLinearGradient(0,126.08,0,o)).addColorStop(0,a),i.addColorStop(1,"rgb(127,0,255)"),h.fillStyle=i,h.beginPath(),h.moveTo(l,126.08),h.lineTo(o-l*(n?4:1),126.08),h.lineTo(o-l*(n?3:0),o),h.lineTo(0,o),h.closePath(),h.fill(),this.rightCover.element.loadNormalMap(u,Fe.MATERIAL_FACE.BACK)}}},{key:"setcolor3DCover",value:function(){var t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"";0==(t=t.trim()).indexOf("#")&&4===t.length&&(t=t.split("").map((function(e){return"#"==e?e:e+e})).join(""));var i=_e.color.getBrightness(t);isNaN(i)&&(console.log("Improper Color code value. Needs a hex value! Using default 0.25"),i=.25);var n=(255-i)/255,o=1024,a=document.createElement("canvas");a.height=o,a.width=o;var r=a.getContext("2d");if(r.fillStyle=t,r.fillRect(0,0,o,o),r.strokeStyle="rgba(50,50,50,"+(n/2+.4)+")",r.strokeRect(.1*o,.05*o,o*(this.hasSpiral?.9:.85),.9*o),r.beginPath(),r.strokeStyle="rgba(50,50,50,"+(n/2+.3)+")",r.lineWidth=2,r.moveTo(0,0),r.lineTo(.1*o,.05*o),r.stroke(),r.beginPath(),r.strokeStyle="rgba(50,50,50,"+(n/2+.4)+")",r.moveTo(0,o),r.lineTo(.1*o,.95*o),r.stroke(),r.beginPath(),r.strokeStyle="rgba(255,255,255,0.3)",r.lineWidth=4,r.moveTo(0,0),r.lineTo(0,o),r.moveTo(0,0),r.lineTo(o,0),r.stroke(),r.beginPath(),r.strokeStyle="rgba(50,50,50,"+(n/2+.3)+")",r.lineWidth=4,r.moveTo(0,o),r.lineTo(o,o),r.stroke(),!1===this.hasSpiral){r.beginPath();var s=r.createLinearGradient(.95*o,0,o,0);s.addColorStop(0,"rgba(30,30,30,"+(n+.3)+")"),s.addColorStop(1,"rgba(60,60,60,"+(n+.3)+")"),r.fillStyle=s,r.fillRect(.95*o,0,.05*o,o),r.beginPath(),r.lineWidth=1,r.strokeStyle="rgba(40,40,40,"+(n+.3)+")";for(var l=0;l<17;l++)r.moveTo(o-3*l,0),r.lineTo(o-3*l,o);r.stroke()}else r.beginPath(),r.strokeStyle="rgba(50,50,50,0.2)",r.lineWidth=4,r.moveTo(o,0),r.lineTo(o,o),r.stroke();this.leftCover.backImage(a);var u=document.createElement("canvas");u.height=o,u.width=o;var h=u.getContext("2d");if(h.fillStyle=t,h.fillRect(0,0,o,o),h.strokeStyle="rgba(50,50,50,"+(n/2+.5)+")",h.strokeRect(o*(this.hasSpiral?0:.05),.05*o,o*(this.hasSpiral?.9:.85),.9*o),h.beginPath(),h.strokeStyle="rgba(50,50,50,"+(n/2+.3)+")",h.lineWidth=2,h.moveTo(o,0),h.lineTo(.9*o,.05*o),h.stroke(),h.beginPath(),h.strokeStyle="rgba(50,50,50,"+(n/2+.5)+")",h.moveTo(o,o),h.lineTo(.9*o,.95*o),h.stroke(),h.beginPath(),h.strokeStyle="rgba(255,255,255,0.3)",h.lineWidth=4,h.moveTo(0,0),h.lineTo(o,0),h.stroke(),h.beginPath(),h.strokeStyle="rgba(50,50,50,"+(n/2+.3)+")",h.lineWidth=4,h.moveTo(o,0),h.lineTo(o,o),h.moveTo(0,o),h.lineTo(o,o),h.stroke(),!1===this.hasSpiral){h.beginPath();var p=h.createLinearGradient(0,0,.05*o,0);p.addColorStop(0,"rgba(0,0,0,"+(n+.3)+")"),p.addColorStop(.2,"rgba(10,10,10,"+(n+.3)+")"),p.addColorStop(1,"rgba(80,80,80,"+(n+.3)+")"),h.fillStyle=p,h.fillRect(0,0,.05*o,o),h.beginPath(),h.lineWidth=1,h.strokeStyle="rgba(40,40,40,"+(n+.3)+")";for(var c=0;c<17;c++)h.moveTo(3*c,0),h.lineTo(3*c,o);h.stroke()}else h.beginPath(),h.strokeStyle="rgba(255,255,255,0.2)",h.lineWidth=4,h.moveTo(0,0),h.lineTo(0,o),h.stroke();this.rightCover.frontImage(u);var d=document.createElement("canvas");o=128,d.height=o,d.width=o;var f=d.getContext("2d");f.fillStyle="#ffffff",f.fillRect(0,0,o,o),f.strokeStyle="#cccccc",f.lineWidth=1;for(var g=0;g<o/4;g++)f.moveTo(4*g,0),f.lineTo(4*g,o);f.stroke(),this.leftSheets.element.loadImage(d,1,null),this.rightSheets.element.loadImage(d,3,null),this.app.renderRequestStatus=e.REQUEST_STATUS.ON}},{key:"initEvents",value:function(){this.stageDOM=this.element[0],Ce(Ne(n.prototype),"initEvents",this).call(this)}},{key:"dispose",value:function(){Ce(Ne(n.prototype),"dispose",this).call(this);var e=this;e.stage&&(e.stage.clearChild(),e.stage.cssRenderer.domElement.parentNode.removeChild(e.stage.cssRenderer.domElement),e.stage.cssRenderer=null,e.stage.orbitControl=_e.disposeObject(e.stage.orbitControl),e.stage.renderer=_e.disposeObject(e.stage.renderer),jQuery(e.stage.canvas).remove(),e.stage.canvas=null,e.stage=_e.disposeObject(e.stage)),e.centerTween&&e.centerTween.stop&&e.centerTween.stop()}},{key:"render",value:function(){this.stage.render(),this.stage.cssRenderer.render(this.stage.cssScene,this.stage.camera)}},{key:"resize",value:function(){Ce(Ne(n.prototype),"resize",this).call(this);var e=this,t=e.app,i=e.stage,o=t.dimensions,a=(o.padding,e.isSingle,this.availablePageWidth()),r=this.availablePageHeight();i.resizeCanvas(o.stage.width,o.stage.height),i.cssRenderer.setSize(o.stage.width,o.stage.height),this.pageScaleX=Math.max(Math.max(a,r)/400,1),this.initDepth(),this.sheets.forEach((function(t){t.depth=e.sheetDepth})),t.refreshRequestStart();var s=this.refSize=Math.min(r,a);this.coverExtraWidth=("vertical"==e.orientation?2:1)*s*.025,this.coverExtraHeight=("vertical"==e.orientation?1:2)*s*.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 a=new THREE.Vector3;o.getSize(a);var r=this.coverExtraHeight,s=2*this.coverExtraWidth;this.isClosedPage()&&(s=0,r=0),a.x=a.x-s+this.app.dimensions.padding.width,a.y=a.y-r+this.app.dimensions.padding.height;var l=e.fov*(Math.PI/180),u=2*Math.atan(Math.tan(l/2)*e.aspect),h=a.z/2+Math.abs(a.x/2/Math.tan(u/2)),p=a.z/2+Math.abs(a.y/2/Math.tan(l/2)),c=Math.max(h,p);void 0!==i&&0!==i&&(c*=i),e.position.set(0,0,c);var d=o.min.z,f=d<0?-d+c:c-d;e.far=3*f,e.updateProjectionMatrix(),void 0!==n&&(n.target=new THREE.Vector3(0,0,0),n.maxDistance=2*f)}},{key:"updateShadowSize",value:function(){}},{key:"refresh",value:function(){var e=this,t=this.app,i=e.getBasePage();this.refreshRequested=!0;var o=1/t.pageCount*i,a=this.isRTL?1-o:o,r=1-a,s=Math.min(e.stackCount,e.totalSheets),l=_e.limitAt(e.totalSheets,e.stackCount,2*e.stackCount),u=(Math.max(a,r),this.isBooklet?0:this.flexibility/l);e.leftFlexibility=u*r,e.rightFlexibility=u*a,e.midPosition=.5*s*e.sheetDepth,Ce(Ne(n.prototype),"refresh",this).call(this);var h=!0===this.has3DCover;this.leftCover.element.visible=this.rightCover.element.visible=this.leftSheets.element.visible=this.rightSheets.element.visible=h,this.wrapper.position.z=-this.midPosition;var p=0,c=0,d=e.isRTL,f=this.isFirstPage(),g=this.isLastPage(),v=this.isLeftClosed=this.isClosedPage()&&(d&&g||!d&&f),m=this.isRightClosed=this.isClosedPage()&&(!d&&g||d&&f);if(h){e.leftSheets.depth=d?e.sheetsDepth*(1-e.getBasePage()/t.pageCount):e.sheetsDepth*i/t.pageCount,e.leftSheets.element.visible=d?t.pageCount-e.getBasePage()>2:i>2,p-=e.leftSheets.depth/2,e.leftSheets.element.position.z=p,p-=e.coverDepth+(e.leftSheets.element.visible?e.leftSheets.depth/2:0)+3*e.coverDepth,e.leftCover.depth=e.rightCover.depth=e.coverDepth;var y=Math.max(this.leftSheetHeight,this.rightSheetHeight);m&&(y=this.leftSheetHeight),v&&(y=this.rightSheetHeight),!0!==e.leftCover.isFlipping&&(e.leftCover.element.position.z=v?e.midPosition+e.coverDepth:p+e.coverDepth/2,e.leftCover.element.position.z=Math.max(e.leftCover.element.position.z,.05*-e.refSize),e.leftCover.element.position.x=0,e.leftSheets.sheetAngle=e.leftCover.sheetAngle=v?180:0,e.leftSheets.curveAngle=e.leftCover.curveAngle=v?180:0,!0!==e.rightCover.isFlipping&&(e.leftCover.height=y,e.leftCover.width=e.leftCover.sheetAngle<90?this.leftSheetWidth:this.rightSheetWidth,this.isClosedPage()||(e.leftCover.width+=this.coverExtraWidth,e.leftCover.height+=this.coverExtraHeight)),e.leftSheets.updateAngle(),e.leftCover.updateAngle()),e.rightSheets.depth=e.sheetsDepth-e.leftSheets.depth,e.rightSheets.element.visible=d?i>2:t.pageCount-e.getBasePage()>2,c-=e.rightSheets.depth/2,e.rightSheets.element.position.z=c,c-=e.coverDepth+(e.rightSheets.element.visible?e.rightSheets.depth/2:0)+3*e.coverDepth,!0!==e.rightCover.isFlipping&&(e.rightCover.element.position.z=m?e.midPosition+e.coverDepth:c+e.coverDepth/2,e.rightCover.element.position.z=Math.max(e.rightCover.element.position.z,.05*-e.refSize),e.rightCover.element.position.x=0,e.rightSheets.sheetAngle=e.rightCover.sheetAngle=m?0:180,e.rightSheets.curveAngle=e.rightCover.curveAngle=m?0:180,!0!==e.leftCover.isFlipping&&(e.rightCover.height=y,e.rightCover.width=e.rightCover.sheetAngle<90?this.leftSheetWidth:this.rightSheetWidth,this.isClosedPage()||(e.rightCover.width+=this.coverExtraWidth,e.rightCover.height+=this.coverExtraHeight)),e.rightSheets.updateAngle(),e.rightCover.updateAngle()),e.updateSheets(),e.stage.ground.position.z=Math.min(p,c)-e.refSize*e.groundDistance/100,e.stage.ground.position.z=Math.max(e.stage.ground.position.z,.1*-e.refSize)}else e.stage.ground.position.z=-e.midPosition-15*e.sheetDepth;!0===e.cameraPositionDirty&&e.updateCameraPosition(),e.spiralRefreshRequested=!0,this.refreshSpiral()}},{key:"refreshSpiral",value:function(){if(!0===this.hasSpiral){var e=this.midPosition+this.sheetDepth;this.bookWrapper.children.forEach((function(t){t&&t.sheetAngle&&t.position.z+t.depth/2>e&&(e=t.position.z+t.depth/2)})),this.leftHoles.visible=this.isBooklet?this.isRTL:0==this.isLeftClosed&&0==this.leftCover.isFlipping,this.rightHoles.visible=this.isBooklet?!this.isRTL:0==this.isRightClosed&&0==this.rightCover.isFlipping;var t="vertical"===this.orientation?Math.max(this.leftHoles.visible?this.leftSheetWidth:0,this.rightHoles.visible?this.rightSheetWidth:0):Math.max(this.leftHoles.visible?this.leftSheetHeight:0,this.rightHoles.visible?this.rightSheetHeight:0);t/=1e3,this.leftHoles.position.z=this.rightHoles.position.z=e+2/t+(this.isClosedPage()?2*this.leftCover.depth:0)/t,this.spiralGroup.scale.set(t,t,t)}}},{key:"updateCameraPosition",value:function(){var e=this,t=e.app,i=e.stage,n=t.dimensions,o=n.padding,a=1/(2*Math.tan(Math.PI*i.camera.fov*.5/180)/(n.stage.height/t.zoomValue))+2.2;this.updateShadowSize(),this.stage.spotLight.position.x=440*-this.pageScaleX,this.stage.spotLight.position.y=440*this.pageScaleX,this.stage.spotLight.position.z=660*this.pageScaleX,this.stage.spotLight.shadow.camera.far=1200*this.pageScaleX,this.stage.spotLight.shadow.camera.updateProjectionMatrix();var r=(o.top-o.bottom)/t.zoomValue/2,s=-(o.left-o.right)/t.zoomValue/2;i.camera.position.z!==a&&!0===t.pendingZoom&&(i.camera.position.z=a),1===t.zoomValue&&(e.bookWrapper.rotation.set(0,0,0),e.bookHelper.rotation.set(0,0,0),e.cameraWrapper.rotation.set(0,0,0),0!==t.options.flipbook3DTiltAngleUp||0!==t.options.flipbook3DTiltAngleLeft?(i.camera.aspect=n.stage.width/n.stage.height,i.camera.updateProjectionMatrix(),e.bookWrapper.rotateZ(THREE.Math.degToRad(-t.options.flipbook3DTiltAngleLeft)),e.bookWrapper.rotateX(THREE.Math.degToRad(-t.options.flipbook3DTiltAngleUp)),"vertical"==e.orientation?e.bookWrapper.scale.y=1/(this.isSingle?2:1):e.bookWrapper.scale.x=1/(this.isSingle?2:1),e.bookHelper.update(),e.fitCameraToCenteredObject(i.camera,e.bookWrapper),e.bookWrapper.rotation.set(0,0,0),e.bookWrapper.scale.x=1,e.bookWrapper.scale.y=1,i.camera.position.set(s,r,i.camera.position.z+i.ground.position.z),this.camera.aspect=n.stage.width/n.stage.height,this.camera.updateProjectionMatrix(),e.cameraWrapper.rotateX(THREE.Math.degToRad(t.options.flipbook3DTiltAngleUp)),e.cameraWrapper.rotateZ(THREE.Math.degToRad(t.options.flipbook3DTiltAngleLeft))):i.camera.position.set(s,r,a)),i.camera.updateProjectionMatrix(),e.app.renderRequestStatus=Ie.REQUEST_STATUS.ON,e.cameraPositionDirty=!1}},{key:"refreshSheet",value:function(t){var i,n=this,o=t.sheet,a=t.index,r=o.sheetAngle,s=!(o.isHard||0===this.flexibility);o.leftFlexibility=s?n.leftFlexibility:0,o.rightFlexibility=s?n.rightFlexibility:0,o.leftPos=n.midPosition+(a-t.midPoint+1)*n.sheetDepth-n.sheetDepth/2,o.rightPos=n.midPosition-(a-t.midPoint)*n.sheetDepth-n.sheetDepth/2,i=o.targetSide===e.TURN_DIRECTION.LEFT?0:180,!1===o.isFlipping&&(t.needsFlip?(o.isFlipping=!0,o.isCover&&0===t.sheetNumber&&(n.isRTL?n.rightCover.isFlipping=!0:n.leftCover.isFlipping=!0),o.isCover&&n.totalSheets-t.sheetNumber==1&&(n.isRTL?n.leftCover.isFlipping=!0:n.rightCover.isFlipping=!0),o.element.position.z=Math.max(r<90?o.leftPos:o.rightPos,n.midPosition)+n.sheetDepth,o.flexibility=r<90?o.leftFlexibility:o.rightFlexibility,o.flip(r,i)):(o.skipFlip=!1,o.sheetAngle=o.curveAngle=i,o.flexibility=i<90?o.leftFlexibility:o.rightFlexibility,o.element.position.z=i<90?o.leftPos:o.rightPos,o.side=o.targetSide,o.height=i<90?this.leftSheetHeight:this.rightSheetHeight,o.width=i<90?this.leftSheetWidth:this.rightSheetWidth),o.updateAngle(),this.app.renderRequestStatus=Ie.REQUEST_STATUS.ON),o.element.visible=t.visible}},{key:"updateCenter",value:function(){var e=this,t=this.app,i="vertical"==this.orientation?e.wrapper.position.y:e.wrapper.position.x,n=("vertical"===this.orientation?-1:1)*e.centerShift*(this.isLeftPage()?"vertical"==this.orientation?this.leftSheetHeight:this.leftSheetWidth:"vertical"==this.orientation?this.rightSheetHeight:this.rightSheetWidth)/2;e.seamPosition=(-t.dimensions.offset.width+t.dimensions.containerWidth)/2+n,n!==e.centerEnd&&(e.centerTween&&e.centerTween.stop&&e.centerTween.stop(),e.onCenterStartAnimation(this),e.centerTween=new TWEEN.Tween({x:i}).delay(0).to({x:n},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=n),e.renderRequestStatus=Ie.REQUEST_STATUS.ON,this.zoomViewer.updateCenter()}},{key:"onCenterUpdateAnimation",value:function(e){"vertical"==this.orientation?(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||this.isRTL?0:1));if(t){var n=_e.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=_e.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 a=0;a<this.sheets.length;a++){var r=this.sheets[a];r.side===Ie.TURN_DIRECTION.LEFT?(r.height=this.leftSheetHeight,r.width=this.leftSheetWidth,r.updateAngle()):(r.height=this.rightSheetHeight,r.width=this.rightSheetWidth,r.updateAngle())}if(this.isClosedPage()){var s=this.isRTL&&this.isLastPage()||!this.isRTL&&this.isFirstPage();this.leftCover.width=this.rightCover.width=s?this.rightSheetWidth:this.leftSheetWidth,this.leftCover.height=this.rightCover.height=s?this.rightSheetHeight:this.leftSheetHeight}else this.leftCover.height=this.rightCover.height=this.coverExtraHeight+Math.max(this.leftSheetHeight,this.rightSheetHeight),this.leftCover.width=this.coverExtraWidth+this.leftSheetWidth,this.rightCover.width=this.coverExtraWidth+this.rightSheetWidth;this.leftSheets.width=this.leftSheetWidth,this.leftSheets.height=this.leftSheetHeight,this.rightSheets.height=this.rightSheetHeight,this.rightSheets.width=this.rightSheetWidth,this.leftCover.updateAngle(),this.leftSheets.updateAngle(),this.rightCover.updateAngle(),this.rightSheets.updateAngle(),this.updateSheets(!0)}this.updateCenter(),this.updateCSSLayer(),this.updatePendingStatusClass(),this.refreshSpiral(),!0===this.cameraPositionDirty&&this.updateCameraPosition()}}},{key:"updateSheets",value:function(e){if(!0!==this.isClosedPage()){var t=this.getPageByNumber(this.getRightPageNumber());if(!0!==this.rightCover.isFlipping&&t&&t.sheet.element.geometry.attributes){var i=this.rightSheets.element.geometry.attributes.position,n=e?t.sheet.element.geometry.boundingBox.max.x*t.sheet.element.scale.x:this.rightSheets.lastSlopeX;i.setX(21,n),i.setX(23,n),i.setX(4,n),i.setX(6,n),i.setX(10,n),i.setX(14,n),i.needsUpdate=!0,this.rightSheets.element.geometry.attributes.uv.needsUpdate=!0,this.rightSheets.element.geometry.computeVertexNormals(),e&&(this.rightSheets.lastSlopeX=n)}var o=this.getPageByNumber(this.getLeftPageNumber());if(!0!==this.leftCover.isFlipping&&o&&o.sheet.element.geometry.attributes){var a=this.leftSheets.element.geometry.attributes.position,r=e?o.sheet.element.geometry.boundingBox.min.x*o.sheet.element.scale.x:this.leftSheets.lastSlopeX;a.setX(16,r),a.setX(18,r),a.setX(5,r),a.setX(7,r),a.setX(8,r),a.setX(12,r),a.needsUpdate=!0,this.leftSheets.element.geometry.attributes.uv.needsUpdate=!0,this.leftSheets.element.geometry.computeVertexNormals(),e&&(this.leftSheets.lastSlopeX=r)}}}},{key:"updateCSSLayer",value:function(){var e,t,i=this,n=i.getBasePage(),o=n+(i.isBooklet?0:i.isRTL?1:0),a=n+(i.isBooklet||this.isRTL?0:1),r=!this.isRTL&&i.isBooklet?void 0:i.getPageByNumber(o),s=this.isRTL&&i.isBooklet?void 0:i.getPageByNumber(a);jQuery(i.stage.cssRenderer.domElement).find(".df-page-content").css({display:"none"});var l="vertical"==this.orientation;if(this.leftViewport&&null!=r&&r.sheet.element.visible){var u=r.cssPage;if(null!=u){var h=r.sheet.element.geometry.boundingBox;e=Math.abs(h.max.x-h.min.x)*r.sheet.element.scale.x,t=Math.abs(h.max.y-h.min.y)*r.sheet.element.scale.y,u.rotation.y=0,u.position.z=0,u.position.x=0,jQuery(u.element).css({width:l?t:e,height:l?e:t,top:l?this.pageOffset+e/2:0,left:l?0:-this.pageOffset-e/2,display:"block"}),this.resizeAnnotations(o)}}if(this.rightViewPort&&null!=s&&s.sheet.element.visible){var p=s.cssPage;if(null!=p){var c=s.sheet.element.geometry.boundingBox;e=Math.abs(c.max.x-c.min.x)*s.sheet.element.scale.x,t=Math.abs(c.max.y-c.min.y)*s.sheet.element.scale.y,p.rotation.y=0,p.position.z=0,p.position.x=0,jQuery(p.element).css({width:l?t:e,height:l?e:t,top:l?-this.pageOffset-e/2:0,left:l?0:this.pageOffset+e/2,display:"block"}),this.resizeAnnotations(a)}}}},{key:"mouseMove",value:function(e){if(e=_e.fixMouseEvent(e),this.app.renderRequestStatus=Ie.REQUEST_STATUS.ON,null==e.touches||2!=e.touches.length){var t=this,i=t.eventToPoint(e);if(null!==t.dragSheet&&!1!==t.drag3D){var n=180*Math.acos(_e.limitAt(1-(i.x-i.left)/this.leftSheetWidth,-1,1))/Math.PI,o=t.dragSheet,a=t.drag===Ie.TURN_DIRECTION.LEFT;o.sheetAngle=n;var r=a?_e.limitAt(o.sheetAngle+45,0,180):_e.limitAt(o.sheetAngle,0,180);o.curveAngle=o.isHard?o.sheetAngle:r*TWEEN.Easing.Sinusoidal.Out(.8*r/180),o.updateAngle()}t.checkSwipe(i,e)}else this.pinchMove(e)}},{key:"mouseUp",value:function(e){var t=this;if((e=_e.fixMouseEvent(e)).touches||0===e.button)if(null!=t.dragSheet||null==e.touches||0!=e.touches.length){var i=t.eventToPoint(e);if(1===t.app.zoomValue){null!==t.dragSheet&&(i.x>t.app.dimensions.width/2?t.drag===Ie.TURN_DIRECTION.LEFT&&t.app.openLeft():t.drag===Ie.TURN_DIRECTION.RIGHT&&t.app.openRight(),t.requestRefresh());var n=e.target||e.originalTarget,o=t.startPoint&&i.x===t.startPoint.x&&i.y===t.startPoint.y&&"A"!==n.nodeName;!0===e.ctrlKey&&o?this.zoomOnPoint(i):o&&t.clickAction===Ie.MOUSE_CLICK_ACTIONS.NAV&&t.raycastCLick(e)}t.dragSheet=null,t.drag=null,t.startPoint=null,t.canSwipe=!1,t.app.renderRequestStatus=Ie.REQUEST_STATUS.ON}else this.pinchUp(e)}},{key:"raycastCLick",value:function(e){var t=this;t.mouse=new THREE.Vector2,t.raycaster=new THREE.Raycaster,t.mouse.x=e.offsetX/t.app.dimensions.stage.width*2-1,t.mouse.y=1-e.offsetY/t.app.dimensions.stage.height*2,t.raycaster.setFromCamera(t.mouse,t.camera);var i=t.raycaster.intersectObjects(t.bookWrapper.children,!0);if(i.length>0){var n,o=0;do{if((n=null!=i[o]?i[o].object:null).sheet&&!0!==n.sheet.isFlipping){n.sheet.sheetAngle>90?t.app.openRight():t.app.openLeft();break}o++}while(o<i.length)}}},{key:"mouseDown",value:function(e){if((e=_e.fixMouseEvent(e)).touches||0===e.button)if(null==e.touches||2!=e.touches.length){e=_e.fixMouseEvent(e);var t=this,i=t.eventToPoint(e);t.startPoint=i,t.lastPosX=i.x,t.lastPosY=i.y,i.isInsideDragZone&&!1!==t.drag3D?(t.dragSheet=i.sheet,t.drag=i.sheet.sheetAngle<90?Ie.TURN_DIRECTION.LEFT:Ie.TURN_DIRECTION.RIGHT):t.canSwipe=!0}else this.pinchDown(e)}},{key:"eventToPoint",value:function(e){var t=this,i=this.app.dimensions,n={x:(e=_e.fixMouseEvent(e)).clientX,y:e.clientY};n.x=n.x-t.parentElement[0].getBoundingClientRect().left,n.y=n.y-t.parentElement[0].getBoundingClientRect().top;var o=(-i.offset.width+i.containerWidth)/2-i.stage.width/2,a=(-i.offset.width+i.containerWidth)/2+i.stage.width/2,r=i.padding.top,s=i.padding.top+t.availablePageHeight(),l=n.x<t.seamPosition,u=t.getBasePage()+(l?0:1),h=this.getPageByNumber(u);h&&(h=h.sheet);var p=n.x>o&&n.x<a&&n.y>r&&n.y<s;return{isInsideSheet:p,isInsideDragZone:p&&n.x-o<t.foldSense||a-n.x<t.foldSense,x:n.x,y:n.y,left:o,top:r,right:a,bottom:s,raw:n,isLeftSheet:l,sheet:h}}},{key:"checkPageLoading",value:function(){for(var e=!0,t=this.getVisiblePages().main,i=0;i<(this.isBooklet?1:2);i++){var n=this.getPageByNumber(t[i]);n&&(e=n.textureLoaded&&e)}this.element.toggleClass("df-loading",!e)}},{key:"textureLoadedCallback",value:function(e){this.app.renderRequestStart(),this.pagesReady()}},{key:"getTextureSize",value:function(e){var t=Ce(Ne(n.prototype),"getTextureSize",this).call(this,e);if(1!==this.app.zoomValue||!0===e.isAnnotation)return t;var i=_e.nearestPowerOfTwo(t.height),o=t.width*i/t.height;return this.texturePowerOfTwo?{height:i,width:o}:t}},{key:"getPageByNumber",value:function(e){if(this.has3DCover){var t=!this.isBooklet&&e===this.app.pageCount&&e%2==0,i=1===e;if(!this.isRTL&&i||this.isRTL&&t)return this.leftCover.frontPage;if(!this.isRTL&&t||this.isRTL&&i)return this.rightCover.backPage}return Ce(Ne(n.prototype),"getPageByNumber",this).call(this,e)}},{key:"setPage",value:function(e){return Ce(Ne(n.prototype),"setPage",this).call(this,e)}},{key:"beforeFlip",value:function(){Ce(Ne(n.prototype),"beforeFlip",this).call(this)}},{key:"resizeAnnotations",value:function(e){var t=this.getAnnotationElement(e);if((!t||""===t.style.width)&&!1!==this.texturePowerOfTwo){var i=this.getPageByNumber(e),o=Ce(Ne(n.prototype),"getViewPort",this).call(this,e);if(i&&o){o=o.clone({dontFlip:!0});var a=e+"|"+this.rightSheetHeight,r=i.cssPage;if(r.lastStamp!=a){r.lastStamp=a;var s=i.sheet.element.geometry.boundingBox,l=Math.abs(s.max.x-s.min.x)*i.sheet.element.scale.x,u=this.getDoublePageWidthFix(e)*l/o.width,h=i.sheet.height/o.height,p=r.element.querySelectorAll("section");p.length>0&&p.forEach((function(e){e.style.transform="matrix("+u+", 0, 0, "+h+","+o.transform[4]*u+","+o.transform[5]*h+")"})),this.app.provider.processTextContent(e,this.getTextElement(e,!0))}}}}},{key:"finalizeAnnotations",value:function(e,t){Ce(Ne(n.prototype),"finalizeAnnotations",this).call(this,e,t),this.resizeAnnotations(t)}}]),n}(K),De=function(e){Ee(i,e);var t=Re(i);function i(e){var n;Te(this,i);var o=Le(n=t.call(this,e));return o.element=null,o.face=e.face,o.parent3D=e.sheet,o.sheet=e.sheet,o.cssPage=new THREE.CSS3DObject(o.contentLayer[0]),n}return ke(i,[{key:"setLoading",value:function(){this.sheet.viewer.checkPageLoading()}},{key:"clearMap",value:function(){this.sheet.element.material[this.face].map=null,this.sheet.element.material[this.face].needsUpdate=!0}},{key:"loadTexture",value:function(e){var t=this,i=e.texture,n=e.callback;function o(i,o){t.updateTextureLoadStatus(!0),t.sheet.resetMatColor(t.face,e.texture===t.textureLoadFallback),"function"==typeof n&&n(e)}t.textureSrc=i;var a=!0===Ie.defaults.mockupMode&&"CANVAS"===i.nodeName&&0!==t.parent3D.viewer.flexibility&&!t.parent3D.isHard;if(4===this.face){if(a){var r=i.getContext("2d");r.fillStyle="rgb(127,127,255)";var s=i.width*t.parent3D.viewer.leftFlexibility,l=r.createLinearGradient(i.width,0,i.width-s,0);l.addColorStop(0,"rgba(0,0,0,.2)"),l.addColorStop(.05,"rgba(100,100,100,.1)"),l.addColorStop(.25,"rgba(100,100,100,.1)"),l.addColorStop(1,"rgba(200,200,200,0)"),r.fillStyle=l,r.beginPath(),r.moveTo(i.width-s,0),r.lineTo(i.width,0),r.lineTo(i.width,i.height),r.lineTo(i.width-s,i.height),r.closePath(),r.fill()}this.sheet.backImage(i,o)}else{if(a){var u=i.getContext("2d");u.fillStyle="rgb(127,127,255)";var h=i.width*t.parent3D.viewer.rightFlexibility/2,p=u.createLinearGradient(0,0,h,0);p.addColorStop(0,"rgba(0,0,0,.4)"),p.addColorStop(0,"rgba(100,100,100,.1)"),p.addColorStop(.25,"rgba(100,100,100,.1)"),p.addColorStop(1,"rgba(200,200,200,0)"),u.fillStyle=p,u.beginPath(),u.moveTo(0,0),u.lineTo(h,0),u.lineTo(h,i.height),u.lineTo(0,i.height),u.closePath(),u.fill()}this.sheet.frontImage(i,o)}}}]),i}(O),Fe={};function ze(e){return ze="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},ze(e)}function Be(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function He(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==ze(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==ze(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===ze(a)?a:String(a)),n)}var o,a}function Ue(e,t,i){return t&&He(e.prototype,t),i&&He(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}function je(){return je="undefined"!=typeof Reflect&&Reflect.get?Reflect.get.bind():function(e,t,i){var n=function(e,t){for(;!Object.prototype.hasOwnProperty.call(e,t)&&null!==(e=qe(e)););return e}(e,t);if(n){var o=Object.getOwnPropertyDescriptor(n,t);return o.get?o.get.call(arguments.length<3?e:i):o.value}},je.apply(this,arguments)}function Ve(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&We(e,t)}function We(e,t){return We=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},We(e,t)}function Ge(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=qe(e);if(t){var o=qe(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===ze(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return function(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}(e)}(this,i)}}function qe(e){return qe=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},qe(e)}Fe.init=function(){if(!0!==Fe.initialized){var e=window.THREE;Fe={init:function(){},initialized:!0,GEOMETRY_TYPE:{PLANE:0,BOX:1,MODEL:2},MATERIAL_FACE:{FRONT:5,BACK:4},WHITE_COLOR:new e.Color("white"),defaults:{anisotropy:8,maxTextureSize:2048,groundTexture:"blank",color:16777215,shininess:15,width:210,height:297,depth:.2,segments:150,textureLoadFallback:"blank"},textureLoader:new e.TextureLoader,clearChild:function(e){var t,i=e.material;if(e.parent.remove(e),e=_e.disposeObject(e),null!=i){if(null==i.length)i.map&&(t=i.map,i.dispose(),t.dispose()),i.bumpMap&&(t=i.bumpMap,i.dispose(),t.dispose()),i.normalMap&&(t=i.normalMap,i.dispose(),t.dispose());else for(var n=0;n<i.length;n++)i[n]&&(i[n].map&&(t=i[n].map,i[n].dispose(),t.dispose()),i[n].bumpMap&&(t=i[n].bumpMap,i[n].dispose(),t.dispose()),i[n].normalMap&&(t=i[n].normalMap,i[n].dispose(),t.dispose())),i[n]=null;i=null,t=null}},loadImage:function(t,i,n,o,a){if(null==i){var r=null==t.material[n]?null:t.material[n][o]?t.material[n][o].sourceFile:null;return null==r||r.indexOf("data:image")>-1?null:r}var s=null;return"CANVAS"===i.nodeName||"IMG"===i.nodeName?((s=new e.Texture(i)).needsUpdate=!0,Fe.loadTexture(s,t,o,n),"function"==typeof a&&a(t,s)):"blank"!==i?(s=null==i?null:Fe.textureLoader.load(i,(function(e){e.sourceFile=i,Fe.loadTexture(e,t,o,n),"function"==typeof a&&a(t,e)}),void 0,(function(){null==s.image&&Fe.loadImage(t,Fe.defaults.textureLoadFallback,n,o),Fe.loadTextureFailed()})))&&(s.mapping=e.UVMapping):(Fe.loadTexture(null,t,o,n),"function"==typeof a&&a(t,s)),0},loadTexture:function(t,i,n,o){if(t){var a=t.image;t.naturalWidth=a.naturalWidth,t.naturalHeight=a.naturalHeight,t.needsUpdate=!0,null!=i.textureRotation&&(t.rotation=e.MathUtils.degToRad(i.textureRotation),t.center=i.textureCenter)}null!==t&&"map"===n&&(t.anisotropy=0,Fe.defaults.anisotropy>0&&(t.anisotropy=Fe.defaults.anisotropy),!0===e.skipPowerOfTwo&&(t.minFilter=e.LinearFilter,t.magFilter=e.LinearFilter),t.name=(new Date).toTimeString()),Fe.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){e&&(e.image&&"CANVAS"===e.image.nodeName&&(e.image.remove&&e.image.remove(),delete e.image),e=_e.disposeObject(e))}},e.skipPowerOfTwo=!0;var t=function(t){Ee(n,t);var i=Re(n);function n(t){var o;Te(this,n);var a=t.width||Fe.defaults.width,r=t.height||Fe.defaults.height,s=t.color||Fe.defaults.color,l=t.segments||Fe.defaults.segments,u=t.depth||Fe.defaults.depth,h={color:s,flatShading:!1,shininess:t.shininess||Fe.defaults.shininess},p=new e.MeshPhongMaterial(h),c=[p,p,p,p,new e.MeshPhongMaterial(h),new e.MeshPhongMaterial(h)];return(o=i.call(this,new e.BoxGeometry(a,r,u,l,1,1),c)).material[5].transparent=!0,o.material[4].transparent=!0,o.baseType="Paper",o.type="Paper",o.castShadow=!0,o.receiveShadow=!0,t.parent3D.add(Le(o)),o}return ke(n,[{key:"loadImage",value:function(e,t,i){Fe.loadImage(this,e,t,"map",i)}},{key:"frontImage",value:function(e,t){Fe.loadImage(this,e,Fe.MATERIAL_FACE.FRONT,"map",t)}},{key:"backImage",value:function(e,t){Fe.loadImage(this,e,Fe.MATERIAL_FACE.BACK,"map",t)}},{key:"loadBump",value:function(e){Fe.loadImage(this,e,Fe.MATERIAL_FACE.FRONT,"bumpMap",null),Fe.loadImage(this,e,Fe.MATERIAL_FACE.BACK,"bumpMap",null)}},{key:"loadNormalMap",value:function(e,t){void 0===t?(Fe.loadImage(this,e,Fe.MATERIAL_FACE.FRONT,"normalMap",null),Fe.loadImage(this,e,Fe.MATERIAL_FACE.BACK,"normalMap",null)):Fe.loadImage(this,e,t,"normalMap",null)}}]),n}(e.Mesh),i=function(e){Ee(i,e);var t=Re(i);function i(e){var n;return Te(this,i),(n=t.call(this,e)).receiveShadow=!0,n.frontImage(Fe.defaults.groundTexture),n.backImage(Fe.defaults.groundTexture),n.type="Ground",n}return ke(i)}(t),n=function(t){Ee(o,t);var n=Re(o);function o(t){var a;Te(this,o);var r=Le(a=n.call(this));r.canvas=t.canvas||document.createElement("canvas"),r.canvas=jQuery(a.canvas),r.camera=new e.PerspectiveCamera(20,r.width/r.height,4,5e4),r.renderer=new e.WebGLRenderer({canvas:r.canvas[0],antialias:!0,alpha:!0}),r.renderer.setPixelRatio(t.pixelRatio),r.renderer.setSize(r.width,r.height),r.renderer.setClearColor(16777215,0),r.renderer.shadowMap.enabled=!0,r.renderer.shadowMap.type=1,r.ground=new i({color:16777215,height:r.camera.far/10,width:r.camera.far/10,segments:2,parent3D:r}),r.ambientLight=new e.AmbientLight(4473924),r.add(r.ambientLight);var s=r.spotLight=new e.DirectionalLight(16777215,.25);return s.position.set(0,1,0),!1!==t.castShadow&&(s.castShadow=!0,s.shadow.camera.near=200,s.shadow.camera.far=2e3,s.shadow.camera.top=1350,s.shadow.camera.bottom=-1350,s.shadow.camera.left=-1350,s.shadow.camera.right=1350,s.shadow.radius=2,s.shadow.mapSize.width=1024,s.shadow.mapSize.height=1024),r.add(s),r.animateCount=0,r.renderCount=0,r.camera.position.set(-300,300,300),r.camera.lookAt(new e.Vector3(0,0,0)),a}return ke(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-1;e>=0;e--){var t=this.children[e];if(t.baseType&&"Paper"===t.baseType&&t.material)if(t.material.length)for(var i=0;i<t.material.length;i++)t.material[i].needsUpdate=!0;else t.material.needsUpdate=!0}}},{key:"clearChild",value:function(){this.spotLight.shadow.map=_e.disposeObject(this.spotLight.shadow.map),this.spotLight.castShadow=!1,this.clearMaterials();for(var e=this.children.length-1;e>=0;e--){var t=this.children[e];if(t.children&&t.children.length>0)for(var i=t.children.length-1;i>=0;i--)Fe.clearChild(t.children[i]);Fe.clearChild(t),t=null}this.render()}}]),o}(e.Scene);Fe.Paper=t,Fe.Stage=n;var o=function(e){Ee(i,e);var t=Re(i);function i(e){var n;return Te(this,i),(n=t.call(this)).element=e,n.element.style.position="absolute",n.addEventListener("removed",(function(){null!==this.element.parentNode&&this.element.parentNode.removeChild(this.element)})),n}return ke(i)}(e.Object3D);e.CSS3DObject=o;var a=function(e){Ee(i,e);var t=Re(i);function i(e){return Te(this,i),t.call(this,e)}return ke(i)}(e.CSS3DObject);e.CSS3DSprite=a,e.MathUtils&&(e.Math=e.MathUtils),e.CSS3DRenderer=function(){var t,i,n,o;_e.log("THREE.CSS3DRenderer",e.REVISION);var a=new e.Matrix4,r={camera:{fov:0,style:""},objects:{}},s=document.createElement("div");s.style.overflow="hidden",s.style.WebkitTransformStyle="preserve-3d",s.style.MozTransformStyle="preserve-3d",s.style.oTransformStyle="preserve-3d",s.style.transformStyle="preserve-3d",this.domElement=s;var l=document.createElement("div");l.style.WebkitTransformStyle="preserve-3d",l.style.MozTransformStyle="preserve-3d",l.style.oTransformStyle="preserve-3d",l.style.transformStyle="preserve-3d",s.appendChild(l),this.setClearColor=function(){},this.getSize=function(){return{width:t,height:i}},this.setSize=function(e,a){n=(t=e)/2,o=(i=a)/2,s.style.width=e+"px",s.style.height=a+"px",l.style.width=e+"px",l.style.height=a+"px"};var u=function(e){return Math.abs(e)<Number.EPSILON?0:e},h=function(e){var t=e.elements;return"matrix3d("+u(t[0])+","+u(-t[1])+","+u(t[2])+","+u(t[3])+","+u(t[4])+","+u(-t[5])+","+u(t[6])+","+u(t[7])+","+u(t[8])+","+u(-t[9])+","+u(t[10])+","+u(t[11])+","+u(t[12])+","+u(-t[13])+","+u(t[14])+","+u(t[15])+")"},p=function(e){var t=e.elements;return"translate3d(-50%,-50%,0) matrix3d("+u(t[0])+","+u(t[1])+","+u(t[2])+","+u(t[3])+","+u(-t[4])+","+u(-t[5])+","+u(-t[6])+","+u(-t[7])+","+u(t[8])+","+u(t[9])+","+u(t[10])+","+u(t[11])+","+u(t[12])+","+u(t[13])+","+u(t[14])+","+u(t[15])+")"},c=function t(i,n){if(i instanceof e.CSS3DObject){var o;i instanceof e.CSS3DSprite?(a.copy(n.matrixWorldInverse),a.transpose(),a.copyPosition(i.matrixWorld),a.scale(i.scale),a.elements[3]=0,a.elements[7]=0,a.elements[11]=0,a.elements[15]=1,o=p(a)):o=p(i.matrixWorld);var s=i.element,u=r.objects[i.id];void 0!==u&&u===o||(s.style.WebkitTransform=o,s.style.MozTransform=o,s.style.oTransform=o,s.style.transform=o,r.objects[i.id]=o),s.parentNode!==l&&l.appendChild(s)}for(var h=0,c=i.children.length;h<c;h++)t(i.children[h],n)};this.render=function(t,a){var u=.5/Math.tan(e.Math.degToRad(.5*a.fov))*i;r.camera.fov!==u&&(s.style.WebkitPerspective=u+"px",s.style.MozPerspective=u+"px",s.style.oPerspective=u+"px",s.style.perspective=u+"px",r.camera.fov=u),t.updateMatrixWorld(),null===a.parent&&a.updateMatrixWorld(),a.matrixWorldInverse.invert?a.matrixWorldInverse.copy(a.matrixWorld).invert():a.matrixWorldInverse.getInverse(a.matrixWorld);var p="translate3d(0,0,"+u+"px)"+h(a.matrixWorldInverse)+" translate3d("+n+"px,"+o+"px, 0)";r.camera.style!==p&&(l.style.WebkitTransform=p,l.style.MozTransform=p,l.style.oTransform=p,l.style.transform=p,r.camera.style=p),c(t,a)}}}};var Ze=e.utils;y.prototype.pinchDown=function(e){null!=e.touches&&2==e.touches.length&&null==this.startTouches&&(this.startTouches=Ze.getTouches(e),this.app.viewer.zoomCenter=Ze.getVectorAvg(Ze.getTouches(e,this.parentElement.offset())),this.lastScale=1)},y.prototype.pinchUp=function(e){null!=e.touches&&e.touches.length<2&&1==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)},y.prototype.pinchMove=function(t){if(null!=t.touches&&2==t.touches.length&&null!=this.startTouches){this.pinchZoomDirty=!0,this.app.container.addClass("df-pinch-zoom");var i=Ze.calculateScale(this.startTouches,Ze.getTouches(t));this.lastScale;return this.lastScale=i,this.app.viewer.pinchZoomUpdateScale=Ze.limitAt(i,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=e.REQUEST_STATUS.ON,this.app.viewer._pinchZoomLastScale=this.app.viewer.pinchZoomUpdateScale),void t.preventDefault()}};var Ke=function(t){Ve(n,t);var i=Ge(n);function n(t,o){return Be(this,n),t.flipbook3DTiltAngleUp=0,t.flipbook3DTiltAngleLeft=0,t.hasSpiral=!1,t.cover3DType!==e.FLIPBOOK_COVER_TYPE.RIDGE&&t.cover3DType!==e.FLIPBOOK_COVER_TYPE.BASIC||(t.cover3DType=e.FLIPBOOK_COVER_TYPE.PLAIN),i.call(this,t,o)}return Ue(n,[{key:"init",value:function(){je(qe(n.prototype),"init",this).call(this),this.texturePowerOfTwo=!1,this.app.container.addClass("df-hybrid-viewer df-pending")}},{key:"getAnnotationElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return this.zoomViewer.getAnnotationElement(e,t)}},{key:"getTextElement",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]&&arguments[1];return this.zoomViewer.getTextElement(e,t)}},{key:"isAnimating",value:function(){return this.isFlipping()}},{key:"onCenterStartAnimation",value:function(e){this.app.container.addClass("df-hide-zoomview")}},{key:"onCenterStopAnimation",value:function(e){this.finalizeCenterAnimation()}},{key:"onCenterCompleteAnimation",value:function(e){this.zoomViewer.updateCenter(),this.finalizeCenterAnimation()}},{key:"finalizeCenterAnimation",value:function(){this.app.container.removeClass("df-hide-zoomview")}},{key:"afterFlip",value:function(){!0!==this.isAnimating()&&(this.pagesReady(),this.updatePendingStatusClass(),this.updateZoomViewerTexture({pageNumber:this.getBasePage()}),this.updateZoomViewerTexture({pageNumber:this.getBasePage()+1}))}},{key:"exchangeTexture",value:function(e,t){this.skipCenterAnimation=!0,je(qe(n.prototype),"exchangeTexture",this).call(this,e,t),this.updateZoomViewerTextContent({pageNumber:this.getBasePage()}),this.updateZoomViewerTextContent({pageNumber:this.getBasePage()+1})}},{key:"updateZoomViewerTexture",value:function(e){var t=this.zoomViewer.getPageByNumber(e.pageNumber);t&&"-1"===t.textureStamp&&(this.zoomViewer.setPage({pageNumber:t.pageNumber,texture:this.getPageByNumber(t.pageNumber).getTexture()})&&this.updateZoomViewerTextContent(e))}},{key:"updateZoomViewerTextContent",value:function(e){this.app.provider.processAnnotations(e.pageNumber,this.app.viewer.getAnnotationElement(e.pageNumber,!0)),this.app.provider.processTextContent(e.pageNumber,this.app.viewer.getTextElement(e.pageNumber,!0))}},{key:"textureLoadedCallback",value:function(e){this.app.renderRequestStart(),this.updateZoomViewerTexture(e),this.pagesReady()}}]),n}(Me),Qe=function(e){Ve(i,e);var t=Ge(i);function i(e,n){var o;return Be(this,i),(o=t.call(this,e,n)).orientation="vertical",o}return Ue(i)}(Me),Xe=Ue((function t(i,n){return Be(this,t),0!=e.utils.canSupport3D()&&void 0!==i.is3D||(i.is3D=!1),"flat3D"===i.is3D?(i.flexibility=0,new Ke(i,n)):"calendar3D"===i.is3D?new Qe(i,n):Ze.isTrue(i.is3D)?new Me(i,n):new ue(i,n)}));function Ye(e,t){return Ye=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},Ye(e,t)}function Je(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=et(e);if(t){var o=et(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===tt(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return $e(e)}(this,i)}}function $e(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function et(e){return et=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},et(e)}function tt(e){return tt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},tt(e)}function it(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function nt(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==tt(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==tt(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===tt(a)?a:String(a)),n)}var o,a}function ot(e,t,i){return t&&nt(e.prototype,t),i&&nt(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}e.viewers=e.viewers||{},e.viewers.flipbook=Xe,e.viewers.default=e.viewers.reader=F,e.viewers.slider=Pe;var at=e.utils,rt=function(){function t(){it(this,t),this.baseUrl=null,this.pdfDocument=null,this.pdfApp=null,this.pdfHistory=null,this.externalLinkRel=null,this.externalLinkEnabled=!0,this._pagesRefCache=null}return ot(t,[{key:"dispose",value:function(){this.baseUrl=null,this.pdfDocument=null,this.pdfApp=null,this.pdfHistory=null,this._pagesRefCache=null}},{key:"setDocument",value:function(e,t){this.baseUrl=t,this.pdfDocument=e,this._pagesRefCache=Object.create(null)}},{key:"setViewer",value:function(e){this.pdfApp=e,this.externalLinkTarget=e.options.linkTarget}},{key:"setHistory",value:function(e){this.pdfHistory=e}},{key:"pagesCount",get:function(){return this.pdfDocument.numPages}},{key:"page",get:function(){return this.pdfApp.currentPageNumber},set:function(e){this.pdfApp.gotoPage(e)}},{key:"navigateTo",value:function(e){this.goToDestination(e)}},{key:"addLinkAttributes",value:function(t,i){var n=this.externalLinkTarget,o=this.externalLinkRel,a=this.externalLinkEnabled;if(!i||"string"!=typeof i)throw new Error('A valid "url" parameter must provided.');var r=(0,at.removeNullCharacters)(i);a?t.href=t.title=r:(t.href="",t.title="Disabled: ".concat(r),t.onclick=function(){return!1});var s="";switch(n){case e.LINK_TARGET.NONE:break;case e.LINK_TARGET.SELF:s="_self";break;case e.LINK_TARGET.BLANK:s="_blank";break;case e.LINK_TARGET.PARENT:s="_parent";break;case e.LINK_TARGET.TOP:s="_top"}t.target=s,t.rel="string"==typeof o?o:"noopener noreferrer nofollow"}},{key:"goToDestination",value:function(e){var t,i="",n=this,o=function t(o){at.log("Requested: ",o);var a=o instanceof Object?n._pagesRefCache[o.num+" "+o.gen+" R"]:o+1;a?((a=n.pdfApp.viewer.getViewerPageNumber(a))>n.pdfApp.pageCount&&(a=n.pdfApp.pageCount),at.log("Loading for:",o," at page ",a),n.pdfApp.requestDestRefKey===o.num+" "+o.gen+" R"?(n.pdfApp.gotoPage(a),n.pdfHistory&&n.pdfHistory.push({dest:e,hash:i,page:a})):at.log("Expired Request for ",a," with ",o)):(n.pdfApp.container.addClass("df-fetch-pdf"),n.pdfDocument.getPageIndex(o).then((function(e){var i=e+1,a=o.num+" "+o.gen+" R";n._pagesRefCache[a]=i,t(o)})))};"string"==typeof e?(i=e,t=this.pdfDocument.getDestination(e)):t=Promise.resolve(e),t.then((function(t){at.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(t){if(""!==t&&null!=t&&"null"!==t){var i=null;if(isNaN(Math.floor(t))){if("string"==typeof t&&(i=parseInt(t.replace("#",""),10),isNaN(i)))return void window.open(t,this.pdfApp.options.linkTarget===e.LINK_TARGET.SELF?"_self":"_blank")}else i=t;null!=i&&this.pdfApp.gotoPage(i)}}},{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("object"===tt(o)&&"name"in o&&"XYZ"===o.name){var a=e[4]||this.pdfApp.pageScaleValue,r=parseFloat(a);r&&(a=100*r),n+="&zoom="+a,(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}}]),t}(),st=function(){function e(t,i){it(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.textContent=[],this.textContentJoined=[],this.textOffset=[],this.autoLinkItemsCache=[],this.autoLinkHitsCache=[],this.searchHitItemsCache=[],this.searchHits=[],this.PDFLinkItemsCache=[],this.canPrint=!0,this.textPostion=[]}return ot(e,[{key:"finalize",value:function(){}},{key:"dispose",value:function(){}},{key:"softDispose",value:function(){}},{key:"setCache",value:function(e,t,i){var n=this,o=i;i&&(void 0===n.textureCache[o]&&(n.textureCache[o]=[]),n.textureCache[o][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(){var e=this;e._page1Pass&&e._page2Pass&&(e.app.viewer.checkDocumentPageSizes(),e.finalize())}},{key:"_documentLoaded",value:function(){this.finalizeOutLine(),this.app&&this.app.dimensions&&void 0===this.app.dimensions.pageFit&&at.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;t<e.length;t++)e[t].custom=!0,this.outline.push(e[t])}}},{key:"search",value:function(){}}]),e}(),lt=function(t){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&Ye(e,t)}(o,t);var n=Je(o);function o(t,a){var r;it(this,o);var s,l=(r=n.call(this,t,a)).app,u=$e(r);function h(t){l.updateInfo(l.options.text.loading+" PDF Worker ...");var i=document.createElement("a");i.href=l.options.pdfjsWorkerSrc+u.cacheBustParameters,i.hostname!==window.location.hostname&&!0===e.loadCorsPdfjsWorker?(l.updateInfo(l.options.text.loading+" PDF Worker CORS ..."),jQuery.ajax({url:l.options.pdfjsWorkerSrc+u.cacheBustParameters,cache:!0,success:function(e){l.options.pdfjsWorkerSrc=at.createObjectURL(e,"text/javascript"),"function"==typeof t&&t()}})):"function"==typeof t&&t()}return u.pdfDocument=void 0,u._page2Ratio=void 0,u.cacheBustParameters="?ver="+e.version+"&pdfver="+l.options.pdfVersion,s=function(){pdfjsLib.GlobalWorkerOptions.workerSrc=l.options.pdfjsWorkerSrc+u.cacheBustParameters,pdfjsLib.canvasWillReadFrequently=e.defaults.canvasWillReadFrequently,u.loadDocument()},"undefined"==typeof pdfjsLib?(l.updateInfo(l.options.text.loading+" PDF Service ..."),at.getScript(l.options.pdfjsSrc+u.cacheBustParameters,(function(){"function"==typeof define&&i.amdO&&window.requirejs?(l.updateInfo(l.options.text.loading+" PDF Service (require) ..."),window.require.config({paths:{"pdfjs-dist/build/pdf.worker":l.options.pdfjsWorkerSrc.replace(".js","")}}),window.require(["pdfjs-dist/build/pdf"],(function(e){window.pdfjsLib=e,h(s)}))):h(s)}),(function(){l.updateInfo("Unable to load PDF service.."),u.dispose()}),l.options.pdfjsSrc.indexOf("pdfjs-4")>1)):"function"==typeof s&&s(),r}return ot(o,[{key:"dispose",value:function(){this.pdfDocument&&this.pdfDocument.destroy(),this.linkService=at.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=at.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.cMapUrl=t.cMapUrl,n.imagesLocation=t.imagesLocation,n.imageResourcesPath=t.imageResourcesPath,n.url||n.data||n.range){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:if(null===(i=prompt("Enter the password to open the PDF file.")))throw new Error("No password givsen.");e(i);break;case pdfjsLib.PasswordResponses.INCORRECT_PASSWORD:var i;if(!(i=prompt("Invalid password. Please try again.")))throw new Error("No password givaen.");e(i)}},o.promise.then((function(n){i.pdfDocument=n,n.getPage(1).then((function(o){var a;i.defaultPage=o;var r=i.defaultPage.viewPort=o.getViewport({scale:1,rotation:o._pageInfo.rotate+e.options.pageRotation}),s=i.defaultPage.pageRatio=r.width/r.height,l=s>1;i.viewPorts[1]=r,e.dimensions.defaultPage={ratio:s,viewPort:r,width:r.width,height:r.height},e.dimensions.maxTextureHeight=(null!==(a=t.maxTextureSize)&&void 0!==a?a:3200)/(l?s:1),e.dimensions.maxTextureWidth=e.dimensions.maxTextureHeight*s,e.dimensions.autoHeightRatio=1/s,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="",a=document.createElement("a");a.href=e.options.source,a.hostname===window.location.hostname||-1!==a.href.indexOf("file://")||at.isChromeExtension()||-1!==a.href.indexOf("blob:")||(o="<strong>CROSS ORIGIN!! </strong>");var r=(null===(n=e.options)||void 0===n?void 0:n.fileName)||a.href;e.updateInfo(o+"<strong>Error: Cannot access file!  </strong>"+unescape(r)+"<br><br>"+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<t.loaded)&&(o.lastLoaded=t.loaded,e.updateInfo(e.options.text.loading+" PDF "+(Math.ceil(t.loaded/1e4)/100).toFixed(2).toString()+"MB ...")):e.updateInfo(e.options.text.loading+" PDF ..."):e.updateInfo(e.options.text.loading+" PDF "+Math.ceil(Math.min(100,i)).toString().split(".")[0]+"% ...")}}}else e.updateInfo("ERROR : No PDF File provided! ","df-error")}},{key:"pdfFetchStarted",value:function(){this.pdfFetchStatusCount=0,this.app.container.addClass("df-fetch-pdf"),this.pdfFetchStatus=e.REQUEST_STATUS.COUNT}},{key:"checkRequestQueue",value:function(){}},{key:"finalize",value:function(){var e=this.app,t=this;null!==e&&null!==e.options&&(t.linkService=new rt,t.linkService.setDocument(t.pdfDocument,null),t.linkService.setViewer(e),t.pdfDocument.getOutline().then((function(i){!0===e.options.overwritePDFOutline&&(i=[]),i=i||[],t.outline=i})).finally((function(){t._getLabels()})))}},{key:"_getLabels",value:function(){var e=this.app,t=this;t.pdfDocument.getPageLabels().then((function(i){if(i&&!0!==e.options.disablePageLabels){for(var n=i.length,o=0,a=0,r=0;r<n;r++){var s=i[r];if(s===(r+1).toString())o++;else{if(""!==s)break;a++}}o>=n||a>=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)>-1,0==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=performance.now(),a=t.viewer.getDocumentPageNumber(n);at.log("Requesting PDF Page:"+a),i.pdfDocument.getPage(a).then((function(r){i.viewPorts[n]||(e.isFreshPage=!0,i.viewPorts[n]=r.getViewport({scale:1,rotation:r._pageInfo.rotate+t.options.pageRotation}));var s,l=t.viewer.getRenderContext(r,e);e.isFreshPage&&(null===(s=t.viewer.getPageByNumber(e.pageNumber))||void 0===s||s.changeTexture(e.pageNumber,l.canvas.height));at.log("Page "+n+" rendering - "+l.canvas.width+"x"+l.canvas.height),e.trace=i.requestIndex++,i.requestedPages+=","+e.trace+"["+a+"|"+l.canvas.height+"]",r.cleanupAfterRender=!1,r.render(l).promise.then((function(){if(t.applyTexture(l.canvas,e),!0===t.options.cleanupAfterRender){var s=","+e.trace+"["+a+"|"+l.canvas.height+"]";at.log("CleanUp Requesting for ("+n+") actual "+a),i.requestedPages.indexOf(s)>-1&&(i.requestedPages=i.requestedPages.replace(s,""),-1==i.requestedPages.indexOf("["+a+"|")?(at.log("CleanUp Passed for ("+n+") actual "+a),i.pagesToClean.push(r),i.pagesToClean.length>0&&i.cleanUpPages()):at.log("CleanUp Cancelled waiting for ("+n+") actual "+a+" : "+i.requestedPages))}l=null,at.log("Rendered "+n+" in "+(performance.now()-o)+" milliseconds")})).catch((function(e){console.log(e)}))})).catch((function(e){console.log(e)}))}},{key:"cleanUpPages",value:function(){for(;this.pagesToClean.length>0;){var e=this.pagesToClean.splice(-1)[0];at.log("Cleanup Completed for PDF page: "+(e._pageIndex+1)),e.cleanup()}}},{key:"clearSearch",value:function(){var e=this;e.searchHits=[],e.searchHitItemsCache=[],e.totalHits=0,e.app.searchResults.html(""),e.app.container.removeClass("df-search-open"),e.textSearch="",e.app.container.find(".df-search-hits").remove()}},{key:"search",value:function(e){var t=this;t.textSearch!==e&&(t.clearSearch(),e.length<3&&""!=e?t.app.updateSearchInfo("Minimum 3 letters required."):(t.textSearch=e,t.textSearchLength=e.length,t.app.searchContainer.addClass("df-searching"),t.app.container.addClass("df-fetch-pdf"),t._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("Searching Page: "+t),i.searchPage(t).then((function(n){for(var o,a=n,r=new RegExp(e,"gi"),s=[];o=r.exec(a);)s.push({index:o.index,length:i.textSearchLength});if(i.searchHits[t]=s,s.length>0){var l=i.app.viewer.searchPage(t);!0===l.include&&(i.totalHits+=s.length,i.app.searchResults.append('<div class="df-search-result '+(i.app.currentPageNumber===t?"df-active":"")+'" data-df-page="'+t+'"><span>Page '+l.label+"</span><span>"+s.length+" "+(s.length>1?"results":"result")+"</span></div>"))}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("No results Found!"):i.app.updateSearchInfo(i.totalHits+" results found"),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];if(null==(n=this).textContentJoined[t]||i){var n;(n=this).textContent[t]=e.items.map((function(e){return 0==e.hasEOL?e.str:e.str+" "}));var o=0,a=0;n.textOffset[t]=e.items.map((function(e,t){return{length:a=(e.str.length||0)+(0==e.hasEOL?0:1),offset:(o+=a)-a}})),n.textContentJoined[t]=n.textContent[t].join("")}}},{key:"searchPage",value:function(e){var t=this;return new Promise((function(i,n){if(t._isValidPage(e))try{var o=t.app.viewer.getDocumentPageNumber(e);null==t.textContentJoined[o]?t.pdfDocument.getPage(o).then((function(e){e.getTextContent().then((function(e){t.prepareTextContent(e,o),i(t.textContentJoined[o])}))})):i(t.textContentJoined[o])}catch(e){at.log(e),n(e)}else n()}))}}]),o}(st);function ut(e,t){return ut=Object.setPrototypeOf?Object.setPrototypeOf.bind():function(e,t){return e.__proto__=t,e},ut(e,t)}function ht(e){var t=function(){if("undefined"==typeof Reflect||!Reflect.construct)return!1;if(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}}();return function(){var i,n=ct(e);if(t){var o=ct(this).constructor;i=Reflect.construct(n,arguments,o)}else i=n.apply(this,arguments);return function(e,t){if(t&&("object"===dt(t)||"function"==typeof t))return t;if(void 0!==t)throw new TypeError("Derived constructors may only return object or undefined");return pt(e)}(this,i)}}function pt(e){if(void 0===e)throw new ReferenceError("this hasn't been initialised - super() hasn't been called");return e}function ct(e){return ct=Object.setPrototypeOf?Object.getPrototypeOf.bind():function(e){return e.__proto__||Object.getPrototypeOf(e)},ct(e)}function dt(e){return dt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},dt(e)}function ft(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function gt(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==dt(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==dt(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===dt(a)?a:String(a)),n)}var o,a}function vt(e,t,i){return t&&gt(e.prototype,t),i&&gt(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}e.providers.pdf=lt;var mt=e.utils,yt=function(){function e(t){ft(this,e),this._viewPort=new wt(0,0),this._pageInfo={rotate:0},this.src=t.src}return vt(e,[{key:"getViewport",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:{scale:1};return new wt(this._viewPort.height*e.scale,this._viewPort.width*e.scale,e.scale)}}]),e}(),bt=function(){function e(t){ft(this,e),this.source=[],this.pages=[],this.numPages=t.length;for(var i=0;i<t.length;i++)this.source[i]=mt.httpsCorrection(t[i].toString()),this.pages.push(new yt({src:this.source[i]}))}return vt(e,[{key:"getPage",value:function(e){var t=this;return new Promise((function(i,n){try{jQuery("<img/>").attr("src",t.source[e-1]).prop("crossOrigin","Anonymous").on("load",(function(){jQuery(this).off();var e=new yt({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}(),wt=function(){function e(t,i){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:1;ft(this,e),this.scale=n,this.height=t,this.width=i,this.scale=n,this.transform=[0,0,0,0,0,this.height]}return vt(e,[{key:"clone",value:function(){return new e(this.height,this.width,this.scale)}}]),e}(),Pt=function(e){!function(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Super expression must either be null or a function");e.prototype=Object.create(t&&t.prototype,{constructor:{value:e,writable:!0,configurable:!0}}),Object.defineProperty(e,"prototype",{writable:!1}),t&&ut(e,t)}(i,e);var t=ht(i);function i(e,n){var o;ft(this,i);var a=(o=t.call(this,e,n)).app,r=pt(o);return r.document=new bt(a.options.source),r.pageCount=r.document.numPages,r.numPages=r.document.numPages,r.loadDocument(),o}return vt(i,[{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){var o;i.defaultPage=n;var a=i.defaultPage.viewPort=n._viewPort,r=i.defaultPage.pageRatio=a.width/a.height,s=r>1;i.viewPorts[1]=a,e.dimensions.defaultPage={ratio:r,viewPort:a,width:a.width,height:a.height},e.dimensions.maxTextureHeight=(null!==(o=t.maxTextureSize)&&void 0!==o?o:3200)/(s?r:1),e.dimensions.maxTextureWidth=e.dimensions.maxTextureHeight*r,e.dimensions.autoHeightRatio=1/r,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,t=this;null!==e&&null!==e.options&&(t.linkService=new rt,t.linkService.setViewer(e),t._documentLoaded())}},{key:"processPage",value:function(e){var t=this.app,i=this,n=e.pageNumber,o=performance.now(),a=t.viewer.getDocumentPageNumber(n);mt.log("Requesting PDF Page:"+a),i.document.getPage(a).then((function(a){i.viewPorts[n]||(e.isFreshPage=!0,i.viewPorts[n]=a._viewPort);var r,s,l=t.viewer.getRenderContext(a,e);e.isFreshPage&&(null===(r=t.viewer.getPageByNumber(e.pageNumber))||void 0===r||r.changeTexture(e.pageNumber,l.canvas.height));(e.preferCanvas=!0,!0===e.preferCanvas)?(l.canvas.getContext("2d").drawImage(a.image,l.viewport.transform[4],0,l.canvas.width*(null!==(s=l.viewport.widthFix)&&void 0!==s?s:1),l.canvas.height),t.applyTexture(l.canvas,e)):t.applyTexture({src:a.src,height:l.canvas.height,width:l.canvas.width},e);mt.log("Rendered "+n+" in "+(performance.now()-o)+" milliseconds")}))}}]),i}(st);e.providers.image=Pt;i(745);function St(e){return St="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},St(e)}function Ct(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function Tt(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==St(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==St(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===St(a)?a:String(a)),n)}var o,a}function xt(e,t,i){return t&&Tt(e.prototype,t),i&&Tt(e,i),Object.defineProperty(e,"prototype",{writable:!1}),e}var kt=e.jQuery,Et=e.utils,Ot=e.REQUEST_STATUS,Rt=function(){function t(e,i){Ct(this,t),this.options=e,this.app=i,this.parentElement=this.app.container,this.element=kt("<div>",{class:"df-ui"}),this.leftElement=kt("<div>",{class:"df-ui-left"}).appendTo(this.element),this.centerElement=kt("<div>",{class:"df-ui-center"}).appendTo(this.element),this.rightElement=kt("<div>",{class:"df-ui-right"}).appendTo(this.element),this.parentElement.append(this.element),this.events={},this.controls={}}return xt(t,[{key:"init",value:function(){var t=this,i="<div>",n=this.app,o=this.controls,a=n.options.text,r=n.options.icons;t.createLogo(),this.openRight=o.openRight=kt(i,{class:"df-ui-nav df-ui-next",title:n.isRTL?a.previousPage:a.nextPage,html:'<div class="df-ui-btn '+r.next+'"</div>'}).on("click",(function(){n.openRight()})),this.openLeft=o.openLeft=kt(i,{class:"df-ui-nav df-ui-prev",title:n.isRTL?a.nextPage:a.previousPage,html:'<div class="df-ui-btn '+r.prev+'"</div>'}).on("click",(function(){n.openLeft()})),1==n.options.autoPlay&&(this.play=o.play=Et.createBtn("play",r.play,a.play).on("click",(function(){var e=kt(this);n.setAutoPlay(!e.hasClass(n.options.icons.pause))})),n.setAutoPlay(n.options.autoPlayStart)),this.pageNumber=o.pageNumber=Et.createBtn("page").on("change",(function(){n.gotoPageLabel(o.pageInput.val())})).on("keyup",(function(e){13===e.keyCode&&n.gotoPageLabel(o.pageInput.val())}));var s="df_book_page_number_"+Math.ceil(performance.now()/10);this.pageInput=o.pageInput=kt('<input id="'+s+'" type="text"/>').appendTo(o.pageNumber),this.pageLabel=o.pageLabel=kt('<label for="'+s+'"></label>').appendTo(o.pageNumber),this.thumbnail=o.thumbnail=Et.createBtn("thumbnail",r.thumbnail,a.toggleThumbnails),o.thumbnail.on("click",(function(){var e=kt(this);null==n.thumblist&&n.initThumbs(),n.thumbContainer.toggleClass("df-sidemenu-visible"),e.toggleClass("df-active"),e.hasClass("df-active")&&(e.siblings(".df-active").trigger("click"),n.thumbRequestStatus=Ot.ON),t.update(),!1===n.options.sideMenuOverlay&&n.resizeRequestStart()})).addClass("df-sidemenu-trigger"),n.hasOutline()&&(this.outline=o.outline=Et.createBtn("outline",r.outline,a.toggleOutline),o.outline.on("click",(function(){var e=kt(this);if(null==n.outlineViewer&&n.initOutline(),n.outlineContainer){var i=n.outlineContainer;e.toggleClass("df-active"),i.toggleClass("df-sidemenu-visible"),e.hasClass("df-active")&&e.siblings(".df-active").trigger("click"),t.update(),!1===n.options.sideMenuOverlay&&n.resizeRequestStart()}})).addClass("df-sidemenu-trigger")),!0===n.options.showSearchControl&&!0!==Et.isMobile&&"string"==typeof n.options.source&&(o.search=Et.createBtn("search",r.search,a.search),o.search.on("click",(function(){var e=kt(this);if(null==n.searchContainer&&n.initSearch(),n.searchContainer){var i=n.searchContainer;e.toggleClass("df-active"),i.toggleClass("df-sidemenu-visible"),e.hasClass("df-active")&&(e.siblings(".df-active").trigger("click"),n.searchBox.focus()),t.update(),!1===n.options.sideMenuOverlay&&n.resizeRequestStart()}})).addClass("df-sidemenu-trigger"));var l=t.element;if(this.zoomIn=o.zoomIn=Et.createBtn("zoomin",r.zoomin,a.zoomIn).on("click",(function(){n.zoom(1),t.update()})),this.zoomOut=o.zoomOut=Et.createBtn("zoomout",r.zoomout,a.zoomOut).on("click",(function(){n.zoom(-1),t.update()})),this.resetZoom=o.resetZoom=Et.createBtn("resetzoom",r.resetzoom,a.resetZoom).on("click",(function(){n.resetZoom(-1),t.update()})),n.viewer.isFlipBook){if(n.pageCount>2){var u=n.viewer.pageMode===e.FLIPBOOK_PAGE_MODE.SINGLE;this.pageMode=o.pageMode=Et.createBtn("pagemode",r[u?"doublepage":"singlepage"],u?a.doublePageMode:a.singlePageMode).on("click",(function(){var e=kt(this);n.viewer.setPageMode({isSingle:!e.hasClass(r.doublepage)}),n.viewer.pageModeChangedManually=!0}))}}else this.pageFit=o.pageFit=Et.createBtn("pagefit",r.pagefit,a.pageFit).on("click",(function(){var e=o.pageFit;!0===!e.hasClass(r.widthfit)?(e.addClass(r.widthfit),e.html("<span>"+a.widthFit+"</span>"),e.attr("title",a.widthFit)):(e.removeClass(r.widthfit),e.html("<span>"+a.pageFit+"</span>"),e.attr("title",a.pageFit))}));if(t.shareBox=new Lt(n.container,n.options),this.share=o.share=Et.createBtn("share",r.share,a.share).on("click",(function(){!0===t.shareBox.isOpen?t.shareBox.close():(t.shareBox.update(n.getURLHash()),t.shareBox.show())})),this.more=o.more=Et.createBtn("more",r.more).on("click",(function(e){!0!==t.moreContainerOpen&&(kt(this).addClass("df-active"),t.moreContainerOpen=!0,e.stopPropagation())})),this.startPage=o.startPage=Et.createBtn("start",r.start,a.gotoFirstPage).on("click",(function(){n.start()})),this.endPage=o.endPage=Et.createBtn("end",r.end,a.gotoLastPage).on("click",(function(){n.end()})),!0===n.options.showPrintControl&&!0!==Et.isMobile&&"string"==typeof n.options.source&&(this.print=o.print=Et.createBtn("print",r.print,a.print).on("click",(function(){e.printHandler=e.printHandler||new It,e.printHandler.printPDF(n.options.source)}))),!0===n.options.showDownloadControl&&"string"==typeof n.options.source){var h="df-ui-btn df-ui-download "+r.download;this.download=o.download=kt('<a download target="_blank" class="'+h+'"><span>'+a.downloadPDFFile+"</span></a>"),o.download.attr("href",Et.httpsCorrection(n.options.source)).attr("title",a.downloadPDFFile)}t.moreContainer=kt(i,{class:"df-more-container"}),o.more.append(t.moreContainer),!0===n.options.isLightBox&&!0!==n.fullscreenSupported||(this.fullScreen=o.fullScreen=Et.createBtn("fullscreen",r.fullscreen,a.toggleFullscreen).on("click",n.switchFullscreen.bind(n))),n.viewer.initCustomControls();var p=n.options.allControls.replace(/ /g,"").split(","),c=","+n.options.moreControls.replace(/ /g,"")+",",d=","+n.options.hideControls.replace(/ /g,"")+",";n.options.leftControls.replace(/ /g,""),n.options.rightControls.replace(/ /g,"");d+=",";for(var f=0;f<p.length;f++){var g=p[f];if(d.indexOf(","+g+",")<0){var v=o[g];null!=v&&"object"==St(v)&&(c.indexOf(","+g+",")>-1&&"more"!==g&&"pageNumber"!==g?t.moreContainer.append(v):1==n.options.controlsFloating?l.append(v):this.centerElement.append(v))}}0==t.moreContainer.children().length&&this.more.addClass("df-hidden"),n.container.append(l),n.container.append(o.openLeft),n.container.append(this.controls.openRight),window.addEventListener("click",t.events.closePanels=t.closePanels.bind(t),!1),window.addEventListener("keyup",t.events.keyup=t.keyUp.bind(t),!1),document.addEventListener("fullscreenchange",t.events.fullscreenChange=t.fullscreenChange.bind(t),!1),!0===n.options.autoOpenThumbnail&&t.controls.thumbnail.trigger("click"),n.hasOutline()&&!0===n.options.autoOpenOutline&&t.controls.outline.trigger("click"),n.executeCallback("onCreateUI")}},{key:"closePanels",value:function(e){var t;!0===this.moreContainerOpen&&(null===(t=this.controls.more)||void 0===t||t.removeClass("df-active"),this.moreContainerOpen=!1)}},{key:"fullscreenChange",value:function(e){void 0===Et.getFullscreenElement()&&!0===this.app.isFullscreen&&this.app.switchFullscreen()}},{key:"keyUp",value:function(t){var i=this.app;if("INPUT"!==t.target.nodeName){var n=!0===i.isFullscreen||!0===i.options.isLightBox||i.options.arrowKeysAction===e.ARROW_KEYS_ACTIONS.NAV;switch(t.keyCode){case 27:e.activeLightBox&&e.activeLightBox.app&&!Et.isChromeExtension()&&e.activeLightBox.closeButton.trigger("click");break;case 37:n&&i.openLeft();break;case 39:n&&i.openRight()}}}},{key:"createLogo",value:function(){var e=this.app,t=null;e.options.logo.indexOf("<")>-1?t=kt(e.options.logo).addClass("df-logo df-logo-html"):e.options.logo.trim().length>2&&(t=kt('<a class="df-logo df-logo-img" target="_blank" href="'+e.options.logoUrl+'"><img alt="" src="'+e.options.logo+'"/>')),this.element.append(t)}},{key:"dispose",value:function(){var e=this;for(var t in this.controls)if(this.controls.hasOwnProperty(t)){var i=this.controls[t];null!==i&&"object"==St(i)&&i.off().remove()}e.element.remove(),e.shareBox=Et.disposeObject(e.shareBox),window.removeEventListener("click",e.events.closePanels,!1),window.removeEventListener("keyup",e.events.keyup,!1),document.removeEventListener("fullscreenchange",e.events.fullscreenChange,!1)}},{key:"update",value:function(){var e=this.app,t=this.controls;!0!==this._pageLabelWidthSet&&(this.pageLabel.width(""),e.provider.pageLabels?this.pageLabel.html("88888888888888888".substring(0,3*e.pageCount.toString().length+4)):this.pageLabel.html("88888888888".substring(0,2*e.pageCount.toString().length+3)),this.pageNumber.width(this.pageLabel.width()),this.pageLabel.width(this.pageLabel.width()),this.pageLabel.html(""),this._pageLabelWidthSet=!0);var i=e.getCurrentLabel();i.toString()!==e.currentPageNumber.toString()?t.pageLabel.html(i+"("+e.currentPageNumber+"/"+e.pageCount+")"):t.pageLabel.html(i+"/"+e.pageCount),t.pageInput.val(i),e.container.toggleClass("df-sidemenu-open",e.container.find(".df-sidemenu-visible").length>0);var n=e.provider.totalHits>0&&e.container.find(".df-sidemenu-visible.df-search-container").length>0;if(e.container.toggleClass("df-search-open",n),n){var o=e.searchContainer.find(".df-search-result[data-df-page="+e.currentPageNumber+"]");if(e.searchContainer.find(".df-search-result.df-active").removeClass("df-active"),o.length>0&&!o.hasClass(".df-active")){o.addClass("df-active");var a=e.searchResults[0],r=a.scrollTop;r+a.getBoundingClientRect().height<(o=o[0]).offsetTop+o.scrollHeight?Et.scrollIntoView(o,null,!1):r>o.offsetTop&&Et.scrollIntoView(o)}}t.zoomIn.toggleClass("disabled",e.zoomValue===e.viewer.maxZoom),t.zoomOut.toggleClass("disabled",e.zoomValue===e.viewer.minZoom);var s=e.isRTL,l=e.currentPageNumber===e.startPage,u=e.currentPageNumber===e.endPage,h=l&&!s||u&&s,p=u&&!s||l&&s;t.openRight.toggleClass("df-hidden",p),t.openLeft.toggleClass("df-hidden",h),e.viewer.afterControlUpdate()}}]),t}(),Lt=function(){function e(t,i){Ct(this,e);var n=this;n.isOpen=!1,n.shareUrl="",n.init(t,i)}return xt(e,[{key:"init",value:function(e,t){var i=this;i.wrapper=kt('<div class="df-share-wrapper" style="display: none;">').on("click",(function(){i.close()})),i.box=kt('<div class="df-share-box">'),i.box.on("click",(function(e){e.preventDefault(),e.stopPropagation()})),i.box.appendTo(i.wrapper).html('<span class="df-share-title">'+t.text.share+"</span>"),i.urlInput=kt('<textarea name="df-share-url" class="df-share-url">').on("click",(function(){kt(this).select()})),i.box.append(i.urlInput);var n=function(){if(t.share.hasOwnProperty(o)&&t.hideShareControls.indexOf(o)<0){var e=t.share[o];null!==e&&(i[o]=kt("<div>",{class:"df-share-button df-share-"+o+" "+t.icons[o]}).on("click",(function(n){n.preventDefault(),window.open(e.replace("{{url}}",encodeURIComponent(i.shareUrl)).replace("{{mailsubject}}",t.text.mailSubject),"Sharer","width=500,height=400"),n.stopPropagation()})),i.box.append(i[o]))}};for(var o in t.share)n();kt(e).append(i.wrapper)}},{key:"show",value:function(){this.wrapper.fadeIn(300),this.urlInput.val(this.shareUrl),this.urlInput.trigger("click"),this.isOpen=!0}},{key:"dispose",value:function(){var e=this;for(var t in e)e.hasOwnProperty(t)&&e[t]&&e[t].off&&e[t].off();e.wrapper.remove()}},{key:"close",value:function(){this.wrapper.fadeOut(300),this.isOpen=!1}},{key:"update",value:function(e){this.shareUrl=e}}]),e}(),Nt=function(){function t(i){Ct(this,t),this.duration=300;var n=this;return n.lightboxWrapper=kt("<div>").addClass("df-lightbox-wrapper"),n.backGround=kt("<div>").addClass("df-lightbox-bg").appendTo(n.lightboxWrapper),n.element=kt("<div>").addClass("df-app").appendTo(n.lightboxWrapper),n.controls=kt("<div>").addClass("df-lightbox-controls").appendTo(n.lightboxWrapper),n.closeButton=kt("<div>").addClass("df-lightbox-close df-ui-btn "+e.defaults.icons.close).on("click",(function(){n.close(i)})).appendTo(n.controls),n.lightboxWrapper.append(n.element),n}return xt(t,[{key:"show",value:function(e){return 0===this.lightboxWrapper.parent().length&&kt("body").append(this.lightboxWrapper),kt("html,body").addClass("df-lightbox-open"),this.lightboxWrapper.fadeIn(this.duration),"function"==typeof e&&e(),this}},{key:"close",value:function(t){return this.lightboxWrapper.fadeOut(this.duration),Array.prototype.forEach.call(e.utils.getSharePrefixes(),(function(e){0===window.location.hash.indexOf("#"+e)&&history.replaceState(void 0,void 0,"#_")})),"function"==typeof t&&setTimeout(t,this.duration),kt("html,body").removeClass("df-lightbox-open"),this.element.attr("class","df-app").attr("style",""),this.lightboxWrapper.attr("class","df-lightbox-wrapper").attr("style",""),this.backGround.attr("style",""),this}}]),t}(),It=function(){function e(){Ct(this,e);var t=this;return t.frame=kt('<iframe id="df-print-frame" style="display:none">').appendTo(kt("body")),t.frame.on("load",(function(){try{t.frame[0].contentWindow.print()}catch(e){console.log(e)}})),t}return xt(e,[{key:"printPDF",value:function(e){this.frame[0].src=e}}]),e}(),_t=function(){function e(t,i){Ct(this,e),this.options=t,this.app=i,this.parentElement=t.parentElement,this.element=kt("<div>",{class:"df-sidemenu-wrapper"}),this.parentElement.append(this.element),this.buttons=kt("<div>",{class:"df-sidemenu-buttons df-ui-wrapper"}).appendTo(this.element),this.close=Et.createBtn("close",i.options.icons.close,i.options.text.close),this.buttons.append(this.close)}return xt(e,[{key:"dispose",value:function(){this.element.remove()}}]),e}(),At=function(){function e(t){Ct(this,e),this.outline=null,this.lastToggleIsShow=!0,this.container=t.container,this.linkService=t.linkService,this.outlineItemClass=t.outlineItemClass||"outlineItem",this.outlineToggleClass=t.outlineToggleClass||"outlineItemToggler",this.outlineToggleHiddenClass=t.outlineToggleHiddenClass||"outlineItemsHidden"}return xt(e,[{key:"dispose",value:function(){this.container&&this.container.parentNode&&this.container.parentNode.removeChild(this.container),this.linkService=null}},{key:"reset",value:function(){this.outline=null,this.lastToggleIsShow=!0;for(var e=this.container;e.firstChild;)e.removeChild(e.firstChild)}},{key:"_dispatchEvent",value:function(e){var t=document.createEvent("CustomEvent");t.initCustomEvent("outlineloaded",!0,!0,{outlineCount:e}),this.container.dispatchEvent(t)}},{key:"_bindLink",value:function(e,t){var i=this.linkService;if(!0===t.custom)e.href=i.getCustomDestinationHash(t.dest),e.onclick=function(){return i.customNavigateTo(t.dest),!1};else{if(t.url)return void pdfjsLib.addLinkAttributes(e,{url:t.url});e.href=i.getDestinationHash(t.dest),e.onclick=function(){return i.navigateTo(t.dest),!1}}}},{key:"_addToggleButton",value:function(e){var t=this,i=document.createElement("div");i.className=this.outlineToggleClass+" "+this.outlineToggleHiddenClass,i.onclick=function(n){if(n.stopPropagation(),i.classList.toggle(this.outlineToggleHiddenClass),n.shiftKey){var o=!i.classList.contains(this.outlineToggleHiddenClass);t._toggleOutlineItem(e,o)}}.bind(this),e.insertBefore(i,e.firstChild)}},{key:"_toggleOutlineItem",value:function(e,t){this.lastToggleIsShow=t;for(var i=e.querySelectorAll("."+this.outlineToggleClass),n=0,o=i.length;n<o;++n)i[n].classList[t?"remove":"add"](this.outlineToggleHiddenClass)}},{key:"render",value:function(e){var t=e&&e.outline||null,i=0;if(this.outline&&this.reset(),this.outline=t,t){for(var n=document.createDocumentFragment(),o=[{parent:n,items:this.outline,custom:!1}],a=!1;o.length>0;)for(var r=o.shift(),s=r.custom,l=0,u=r.items.length;l<u;l++){var h=r.items[l],p=document.createElement("div");p.className=this.outlineItemClass;var c=document.createElement("a");if(null==h.custom&&null!=s&&(h.custom=s),this._bindLink(c,h),c.textContent=h.title.replace(/\x00/g,""),p.appendChild(c),h.items&&h.items.length>0){a=!0,this._addToggleButton(p);var d=document.createElement("div");d.className=this.outlineItemClass+"s",p.appendChild(d),o.push({parent:d,custom:h.custom,items:h.items})}r.parent.appendChild(p),i++}a&&(null!=this.container.classList?this.container.classList.add(this.outlineItemClass+"s"):null!=this.container.className&&(this.container.className+=" picWindow")),this.container.appendChild(n),this._dispatchEvent(i)}}}]),e}(),Mt=function(){function t(e){Ct(this,t);var i=this.itemHeight=e.itemHeight,n=this.itemWidth=e.itemWidth,o=this.app=e.app;this.items=e.items,this.generatorFn=e.generatorFn,this.totalRows=e.totalRows||e.items&&e.items.length,this.addFn=e.addFn,this.scrollFn=e.scrollFn,this.container=document.createElement("div");for(var a=this,r=0;r<this.totalRows;r++){var s=document.createElement("div"),l=r+1;s.id="df-thumb"+l;var u=document.createElement("div"),h=document.createElement("div"),p=document.createElement("div");p.className="df-wrapper",h.className="df-thumb-number",s.className="df-thumb",u.className="df-bg-image",p.style.height=i+"px",p.style.width=n+"px",h.innerText=o.provider.getLabelforPage(l),s.appendChild(p),p.appendChild(h),p.appendChild(u),this.container.appendChild(s)}function c(){o.thumbRequestCount=0,o.thumbRequestStatus=Ot.COUNT}a.dispose=function(){a.container&&a.container.parentNode&&a.container.parentNode.removeChild(a.container),a.container.removeEventListener("scroll",c)},a.container.addEventListener("scroll",c)}return xt(t,[{key:"processThumbRequest",value:function(){Et.log("Thumb Request Initiated");var t=this.app;if((t.thumbRequestStatus=Ot.OFF,t.activeThumb!==t.currentPageNumber)&&(null!=t.thumbContainer&&t.thumbContainer.hasClass("df-sidemenu-visible"))){var i=t.thumblist.container,n=i.scrollTop,o=i.getBoundingClientRect().height,a=t.thumbContainer.find("#df-thumb"+t.currentPageNumber);a.length>0?(t.thumbContainer.find(".df-selected").removeClass("df-selected"),a.addClass("df-selected"),n+o<(a=a[0]).offsetTop+a.scrollHeight?Et.scrollIntoView(a,null,!1):n>a.offsetTop&&Et.scrollIntoView(a),t.activeThumb=t.currentPageNumber):(kt(i).scrollTop(124*t.currentPageNumber),t.thumbRequestStatus=Ot.ON)}if(0===t.thumblist.container.getElementsByClassName("df-thumb-requested").length){var r=Et.getVisibleElements({container:t.thumblist.container,elements:t.thumblist.container.children});kt.inArray(r)&&r.unshift(t.activeThumb);for(var s=0;s<r.length;s++){var l=t.thumblist.container.children[r[s]-1];if(void 0!==l&&!1===l.classList.contains("df-thumb-loaded")&&!1===l.classList.contains("df-thumb-requested"))return l.classList.add("df-thumb-requested"),Et.log("Thumb Requested for "+r[s]),t.provider.processPage({pageNumber:r[s],textureTarget:e.TEXTURE_TARGET.THUMB}),!1}}}},{key:"setPage",value:function(t){var i=this.app,n=t.pageNumber,o=t.texture;if(t.textureTarget===e.TEXTURE_TARGET.THUMB){var a=i.container.find("#df-thumb"+n);a.find(".df-wrapper").css({height:t.height,width:t.width}),a.find(".df-bg-image").css({backgroundImage:Et.bgImage(o)}),a.addClass("df-thumb-loaded").removeClass("df-thumb-requested")}Et.log("Thumbnail set for "+t.pageNumber),i.thumbRequestStatus=Ot.ON}}]),t}();function Dt(){if(void 0===e.openLocalFileInput){var t=e.openLocalFileInput=kt('<input type="file" accept=".pdf" style="display:none">').appendTo(kt("body")).data("df-option",e.openFileOptions);t.change((function(){var i,n=t[0].files;n.length&&(i=n[0],t.val(""),e.openFile(i))}))}}function Ft(e){return Ft="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},Ft(e)}function zt(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,(o=n.key,a=void 0,a=function(e,t){if("object"!==Ft(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==Ft(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(o,"string"),"symbol"===Ft(a)?a:String(a)),n)}var o,a}e.openLightBox=function(t){e.activeLightBox||(e.activeLightBox=new Nt((function(){e.activeLightBox.app&&(e.activeLightBox.app.closeRequested=!0,e.activeLightBox.app.analytics({eventAction:e.activeLightBox.app.options.analyticsViewerClose,options:e.activeLightBox.app.options})),e.activeLightBox.app=Et.disposeObject(e.activeLightBox.app)}))),e.activeLightBox.duration=300,void 0!==e.activeLightBox.app&&null!==e.activeLightBox.app&&!0!==e.activeLightBox.app.closeRequested&&e.openLocalFileInput!=t||(e.activeLightBox.app=Et.disposeObject(e.activeLightBox.app),null===e.activeLightBox.app&&e.activeLightBox.show((function(){e.activeLightBox.app=kt(e.activeLightBox.element).dearviewer({transparent:!1,isLightBox:!0,hashNavigationEnabled:!0,height:"100%",dataElement:t}),e.activeLightBox.lightboxWrapper.toggleClass("df-lightbox-padded",!1===e.activeLightBox.app.options.popupFullsize),e.activeLightBox.lightboxWrapper.toggleClass("df-rtl",e.activeLightBox.app.options.readDirection===e.READ_DIRECTION.RTL),e.activeLightBox.backGround.css({backgroundColor:"transparent"===e.activeLightBox.app.options.backgroundColor?e.defaults.popupBackGroundColor:e.activeLightBox.app.options.backgroundColor})})))},e.checkBrowserURLforDefaults=function(){if(!Et.isIEUnsupported){var t=new URL(location.href).searchParams.get("viewer-type")||new URL(location.href).searchParams.get("viewertype"),i=new URL(location.href).searchParams.get("is-3d")||new URL(location.href).searchParams.get("is3d");t&&(e.defaults.viewerType=t),"true"!==i&&"false"!==i||(e.defaults.is3D="true"===i)}},e.checkBrowserURLforPDF=function(){var t=arguments.length>0&&void 0!==arguments[0]&&arguments[0];if(!Et.isIEUnsupported){var i=new URL(location.href).searchParams.get("pdf-source");return i&&(i=unescape(i),t&&e.openURL(i)),i}},e.fileDropHandler=function(t,i){var n=t[0];"application/pdf"===n.type&&(i.preventDefault(),i.stopPropagation(),e.openFile(n))},e.openFile=function(t){var i;t?(e.oldLocalFileObjectURL&&window.URL.revokeObjectURL(e.oldLocalFileObjectURL),e.oldLocalFileObjectURL=window.URL.createObjectURL(t),null===(i=e.openFileSelected)||void 0===i||i.call(e,{url:e.oldLocalFileObjectURL,file:t}),e.openURL(e.oldLocalFileObjectURL)):e.openURL()},e.openURL=function(t){Dt(),t&&(e.openFileOptions.source=t,e.openFileOptions.pdfParameters=null),e.openLightBox(e.openLocalFileInput)},e.openBase64=function(t){e.openFileOptions.source=null,e.openFileOptions.pdfParameters={data:atob(t)},e.openURL()},e.openLocalFile=function(){Dt(),e.openLocalFileInput.click()},e.initControls=function(){var t=kt("body");if(!1!==e.defaults.autoPDFLinktoViewer&&t.on("click",'a[href$=".pdf"]',(function(t){var i=kt(this);void 0!==i.attr("download")||"_blank"===i.attr("target")||i.hasClass("df-ui-btn")||i.parents(".df-app").length>0||(t.preventDefault(),i.data("df-source",i.attr("href")),e.openLightBox(i))})),t.on("click",".df-open-local-file",(function(t){e.openLocalFile()})),t.on("click",".df-sidemenu-buttons .df-ui-close",(function(){kt(this).closest(".df-app").find(".df-ui-btn.df-active").trigger("click")})),t.on("mouseout",".df-link-content section.squareAnnotation, .df-link-content section.textAnnotation, .df-link-content section.freeTextAnnotation",(function(){var t=kt(this);e.handlePopup(t,!1)})),t.on("mouseover",".df-link-content section.squareAnnotation, .df-link-content section.textAnnotation, .df-link-content section.freeTextAnnotation",(function(){var t=kt(this);e.handlePopup(t,!0)})),e.handlePopup=function(e){var t=!(arguments.length>1&&void 0!==arguments[1])||arguments[1],i=e.closest(".df-container"),n=i.find(".df-comment-popup");if(n.toggleClass("df-active",t),t){var o=e[0].getBoundingClientRect(),a=i[0].getBoundingClientRect(),r=e.find(".popupWrapper").first();n.html(r.html());var s=o.left-a.left;s+360>a.width?s=a.width-360-10:s<10&&(s=10);var l=o.top-a.top+o.height+5;l+n.height()>a.height?l=o.top-n.height()-o.height-10:l<10&&(l=10),n.css({left:s,top:l})}},null!=e.fileDropElement){var i=kt(e.fileDropElement);i.length>0&&(i.on("dragover",(function(e){e.preventDefault(),e.stopPropagation(),kt(this).addClass("df-dragging")})),i.on("dragleave",(function(e){e.preventDefault(),e.stopPropagation(),kt(this).removeClass("df-dragging")})),i.on("drop",(function(t){var i=t.originalEvent.dataTransfer.files;i.length&&e.fileDropHandler(i,t)})))}};var Bt=e.jQuery,Ht=e.REQUEST_STATUS,Ut=e.utils,jt=function(){function t(i){var n,o;!function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}(this,t),this.options=i,this.viewerType=this.options.viewerType,this.startPage=1,this.endPage=1,this.element=Bt(this.options.element),i.maxTextureSize=null!==(n=i.maxTextureSize)&&void 0!==n?n:2048,Ut.isMobile&&(i.maxTextureSize=4096===i.maxTextureSize?3200:i.maxTextureSize),this.dimensions={padding:{},offset:{},pageFit:{},stage:{},isAutoHeight:"auto"===i.height,maxTextureSize:i.maxTextureSize},this.is3D=i.is3D,this.options.pixelRatio=Ut.limitAt(this.options.pixelRatio,1,2),this.events={},this.links=i.links,this.thumbSize=128,this.pendingZoom=!0,this.currentPageNumber=this.options.openPage||this.startPage,this.hashNavigationEnabled=!0===this.options.hashNavigationEnabled,this.pendingZoom=!0,this.zoomValue=1,this.pageScaling=e.PAGE_SCALE.MANUAL,this.isRTL=i.readDirection===e.READ_DIRECTION.RTL,this.jumpStep=1,this.resizeRequestStatus=Ht.OFF,this.refreshRequestStatus=Ht.OFF,this.refreshRequestCount=0,this.resizeRequestCount=0,this.fullscreenSupported=Ut.hasFullscreenEnabled(),this.thumbRequestCount=0,this.isExternalReady=null===(o=this.options.isExternalReady)||void 0===o||o,this.init(),!0===this.options.autoLightBoxFullscreen&&!0===this.options.isLightBox&&this.switchFullscreen(),this.executeCallback("onCreate"),this.target=this}var i,n,o;return i=t,n=[{key:"init",value:function(){var t=this.options,i=this;return i.initDOM(),i.initResourcesLocation(),i.initInfo(),null!=t.source&&0!==t.source.length||null!=t.pdfParameters?Ut.isIEUnsupported?(i.updateInfo("Your browser (Internet Explorer) is out of date! <br><a href='https://browsehappy.com/'>Upgrade to a new browser.</a>","df-old-browser"),void i.container.removeClass("df-loading").addClass("df-error")):(i.commentPopup=Bt('<div class="df-comment-popup">').appendTo(i.container),i.viewer=new i.viewerType(t,this),i.sideMenu=new _t({parentElement:this.container},i),i.provider=new e.providers[t.providerType](t,i),i.state="loading",void i.checkRequestQueue()):(i.updateInfo("ERROR: Set a Valid Document Source.",e.INFO_TYPE.ERROR),void i.container.removeClass("df-loading").addClass("df-error"))}},{key:"initDOM",value:function(){this.element.addClass("df-app").removeClass("df-container df-loading"),this.container=Bt("<div>").appendTo(this.element),this.container.addClass("df-container df-loading df-init df-controls-"+this.options.controlsPosition+(!0===this.options.controlsFloating?" df-float":" df-float-off")+("transparent"===this.options.backgroundColor?" df-transparent":"")+(!0===this.isRTL?" df-rtl":"")+(!0===Ut.isIOS||!0===Ut.isIPad?" df-ios":"")),this._offsetParent=this.container[0].offsetParent,this.backGround=Bt("<div class='df-bg'>").appendTo(this.container).css({backgroundColor:this.options.backgroundColor,backgroundImage:this.options.backgroundImage?"url('"+this.options.backgroundImage+"')":""}),this.viewerContainer=Bt("<div>").appendTo(this.container),this.viewerContainer.addClass("df-viewer-container")}},{key:"initResourcesLocation",value:function(){var t=this.options;if(void 0!==window[e.locationVar]){if(t.pdfjsSrc=window[e.locationVar]+"js/libs/pdf.min.js",t.threejsSrc=window[e.locationVar]+"js/libs/three.min.js",t.pdfjsWorkerSrc=window[e.locationVar]+"js/libs/pdf.worker.min.js",t.soundFile=window[e.locationVar]+t.soundFile,t.imagesLocation=window[e.locationVar]+t.imagesLocation,t.imageResourcesPath=window[e.locationVar]+t.imageResourcesPath,t.cMapUrl=window[e.locationVar]+t.cMapUrl,void 0!==t.pdfVersion){var i="";"latest"==t.pdfVersion||"beta"==t.pdfVersion?i="latest":"stable"==t.pdfVersion&&(i="stable"),("latest"==t.pdfVersion||"default"==t.pdfVersion)&&(Array.prototype.at,void 0===Array.prototype.at&&(i="stable",console.log("Proper Support for Latest version PDF.js 3.7 not available. Switching to PDF.js 2.5!"))),"default"!==i&&""!==i&&(t.pdfjsSrc=window[e.locationVar]+"js/libs/pdfjs/"+i+"/pdf.min.js",t.pdfjsWorkerSrc=window[e.locationVar]+"js/libs/pdfjs/"+i+"/pdf.worker.min.js")}}else console.warn("DEARVIEWER locationVar not found!");this.executeCallback("onInitResourcesLocation")}},{key:"initEvents",value:function(){var e=this,t=this.container[0];window.addEventListener("resize",e.events.resize=e.resetResizeRequest.bind(e),!1),t.addEventListener("mousemove",e.events.mousemove=e.mouseMove.bind(e),!1),t.addEventListener("mousedown",e.events.mousedown=e.mouseDown.bind(e),!1),window.addEventListener("mouseup",e.events.mouseup=e.mouseUp.bind(e),!1),t.addEventListener("touchmove",e.events.touchmove=e.mouseMove.bind(e),!1),t.addEventListener("touchstart",e.events.touchstart=e.mouseDown.bind(e),!1),window.addEventListener("touchend",e.events.touchend=e.mouseUp.bind(e),!1)}},{key:"mouseMove",value:function(e){e.touches&&e.touches.length>1&&e.preventDefault(),!0===this.viewer.acceptAppMouseEvents&&this.viewer.mouseMove(e)}},{key:"mouseDown",value:function(e){this.userHasInteracted=!0,!0===this.viewer.acceptAppMouseEvents&&0===Bt(e.srcElement).closest(".df-sidemenu").length&&this.viewer.mouseDown(e)}},{key:"mouseUp",value:function(e){this.viewer&&!0===this.viewer.acceptAppMouseEvents&&this.viewer.mouseUp(e)}},{key:"softDispose",value:function(){var e=this;e.softDisposed=!0,e.provider.dispose(),e.viewer.dispose()}},{key:"softInit",value:function(){var t=this;t.viewer=new t.viewerType(t.options,this),t.provider=new e.providers[t.options.providerType](t.options,t),t.softDisposed=!1}},{key:"dispose",value:function(){var e,t,i,n,o,a=this,r=this.container[0];clearInterval(this.autoPlayTimer),this.autoPlayTimer=null,this.autoPlayFunction=null,a.provider=Ut.disposeObject(a.provider),a.contentProvider=null,a.target=null,a.viewer=Ut.disposeObject(a.viewer),a.sideMenu=Ut.disposeObject(a.sideMenu),a.ui=Ut.disposeObject(a.ui),a.thumblist=Ut.disposeObject(a.thumblist),a.outlineViewer=Ut.disposeObject(a.outlineViewer),this.events&&(window.removeEventListener("resize",a.events.resize,!1),r.removeEventListener("mousemove",a.events.mousemove,!1),r.removeEventListener("mousedown",a.events.mousedown,!1),window.removeEventListener("mouseup",a.events.mouseup,!1),r.removeEventListener("touchmove",a.events.touchmove,!1),r.removeEventListener("touchstart",a.events.touchstart,!1),window.removeEventListener("touchend",a.events.touchend,!1)),a.events=null,a.options=null,a.element.removeClass("df-app"),a.viewerType=null,a.checkRequestQueue=null,null===(e=a.info)||void 0===e||e.remove(),a.info=null,null===(t=a.loadingIcon)||void 0===t||t.remove(),a.loadingIcon=null,null===(i=a.backGround)||void 0===i||i.remove(),a.backGround=null,null===(n=a.outlineContainer)||void 0===n||n.remove(),a.outlineContainer=null,null===(o=a.commentPopup)||void 0===o||o.remove(),a.commentPopup=null,a.viewerContainer.off(),a.viewerContainer.remove(),a.viewerContainer=null,a.container.off(),a.container.remove(),a.container=null,a.element.off(),a.element.data("df-app",null),a.element=null,a._offsetParent=null,a.dimensions=null}},{key:"resetResizeRequest",value:function(){this.resizeRequestStatus=Ht.COUNT,this.resizeRequestCount=0,this.container.addClass("df-pendingresize"),this.pendingResize=!0}},{key:"initInfo",value:function(){this.info=Bt("<div>",{class:"df-loading-info"}),this.container.append(this.info),this.info.html(this.options.text.loading+"..."),this.loadingIcon=Bt("<div>",{class:"df-loading-icon"}).appendTo(this.container)}},{key:"updateInfo",value:function(e,t){Ut.log(e),void 0!==this.info&&this.info.html(e)}},{key:"_documentLoaded",value:function(){Ut.log("Document Loaded"),this.isDocumentReady=!0,this.contentProvider=this.provider,this.executeCallback("onDocumentLoad"),this.endPage=this.pageCount=this.provider.pageCount,this.currentPageNumber=this.getValidPage(this.currentPageNumber)}},{key:"_viewerPrepared",value:function(){Ut.log("Viewer Prepared"),this.isViewerPrepared=!0,this.executeCallback("onViewerLoad")}},{key:"requestFinalize",value:function(){!0===this.isDocumentReady&&!0===this.isViewerPrepared&&!0===this.isExternalReady&&!0!==this.finalizeRequested&&(this.finalizeRequested=!0,this.finalize())}},{key:"finalizeComponents",value:function(){this.ui=new Rt({},this),this.ui.init(),this.calculateLayout(),this.viewer.init()}},{key:"finalize",value:function(){this.resize(),this.ui.update(),this.initEvents(),1==this.options.isLightBox&&this.analytics({eventAction:this.options.analyticsViewerOpen,options:this.options}),this.container.removeClass("df-loading df-init"),this.viewer.onReady(),this.analytics({eventAction:this.options.analyticsViewerReady,options:this.options}),this.executeCallback("onReady"),!0===this.options.dataElement.hasClass("df-hash-focused")&&(Ut.focusHash(this.options.dataElement),this.options.dataElement.removeClass("df-hash-focused")),Ut.log("App Finalized")}},{key:"initOutline",value:function(){var e=this,t=Bt("<div>").addClass("df-outline-container df-sidemenu");t.append('<div class="df-sidemenu-title">Table of Contents</div>');var i=Bt("<div>").addClass("df-wrapper");t.append(i),e.sideMenu.element.append(t),e.outlineContainer=t,e.outlineViewer=new At({container:i[0],linkService:e.provider.linkService,outlineItemClass:"df-outline-item",outlineToggleClass:"df-outline-toggle",outlineToggleHiddenClass:"df-outlines-hidden"}),e.outlineViewer.render({outline:e.provider.outline})}},{key:"initThumbs",value:function(){var e=this;e.thumblist=new Mt({app:e,addFn:function(e){},scrollFn:function(){e.thumbRequestStatus=Ht.ON},itemHeight:e.thumbSize,itemWidth:Ut.limitAt(Math.floor(e.dimensions.defaultPage.ratio*e.thumbSize),32,180),totalRows:e.pageCount}),e.thumblist.lastScrolled=Date.now(),e.thumbRequestStatus=Ht.ON;var t=Bt("<div>").addClass("df-thumb-container df-sidemenu");t.append('<div class="df-sidemenu-title">Thumbnails</div>'),t.append(Bt(e.thumblist.container).addClass("df-wrapper")),e.thumbContainer=t,e.sideMenu.element.append(t),e.container.on("click",".df-thumb-container .df-thumb",(function(t){t.stopPropagation();var i=Bt(this).attr("id").replace("df-thumb","");e.gotoPage(parseInt(i,10))}))}},{key:"initSearch",value:function(){var e=this,t=Bt("<div>").addClass("df-search-container df-sidemenu");t.append('<div class="df-sidemenu-title">Search</div>'),e.searchForm=Bt('<div class="df-search-form">').appendTo(t),e.searchBox=Bt('<input type="text" class="df-search-text" placeholder="Search">').on("keyup",(function(t){13===t.keyCode&&e.search()})).appendTo(e.searchForm),e.searchButton=Bt('<div class="df-ui-btn df-search-btn df-icon-search">').on("click",(function(t){e.search()})).appendTo(e.searchForm),e.clearButton=Bt('<a class="df-search-clear">Clear</a>').on("click",(function(t){e.clearSearch()})).appendTo(e.searchForm),e.searchInfo=Bt('<div class="df-search-info">').appendTo(t),e.searchResults=Bt('<div class="df-wrapper df-search-results">').appendTo(t),e.searchContainer=t,e.sideMenu.element.append(t),e.container.on("click",".df-search-result",(function(t){t.stopPropagation();var i=Bt(this).data("df-page");e.gotoPage(parseInt(i,10))}))}},{key:"search",value:function(e){null==e&&(e=this.searchBox.val()),this.provider.search(e.trim())}},{key:"clearSearch",value:function(){this.searchBox.val(""),this.searchInfo.html(""),this.provider.clearSearch()}},{key:"updateSearchInfo",value:function(e){Ut.log(e),void 0!==this.searchInfo&&this.searchInfo.html(e)}},{key:"checkRequestQueue",value:function(){var e=this;if(e.checkRequestQueue&&requestAnimationFrame((function(){e&&e.checkRequestQueue&&e.checkRequestQueue()})),!e.softDisposed){if("ready"!=e.state)return"loading"===e.state&&!0===this.isDocumentReady&&!0===this.isViewerPrepared&&!0===this.isExternalReady&&(e.state="finalizing",this.finalizeComponents()),void("finalizing"===e.state&&(e.state="ready",e.finalize()));e.container&&e.container[0]&&e._offsetParent!==e.container[0].offsetParent&&(e._offsetParent=e.container[0].offsetParent,null!==e._offsetParent&&(e.resize(),e.resizeRequestStatus=Ht.OFF),Ut.log("Visibility Resize Detected")),(null!==e._offsetParent||e.isFullscreen)&&(TWEEN.getAll().length>0&&(TWEEN.update(),e.renderRequestStatus=Ht.ON),e.resizeRequestStatus===Ht.ON?(e.resizeRequestStatus=Ht.OFF,e.resize()):e.resizeRequestStatus===Ht.COUNT&&(e.resizeRequestCount++,e.resizeRequestCount>10&&(e.resizeRequestCount=0,e.resizeRequestStatus=Ht.ON)),e.refreshRequestStatus===Ht.ON?(e.refreshRequestStatus=Ht.OFF,e.pendingResize=!1,e.viewer.refresh(),this.container.removeClass("df-pendingresize")):e.refreshRequestStatus===Ht.COUNT&&(e.refreshRequestCount++,e.refreshRequestCount>3&&(e.refreshRequestCount=0,e.refreshRequestStatus=Ht.ON)),e.textureRequestStatus===Ht.ON&&e.processTextureRequest(),e.thumbRequestStatus===Ht.ON?e.processThumbRequest():e.thumbRequestStatus===Ht.COUNT&&(e.thumbRequestCount++,e.thumbRequestCount>3&&(e.thumbRequestCount=0,e.thumbRequestStatus=Ht.ON)),e.renderRequestStatus===Ht.ON&&(e.viewer.render(),e.renderRequestStatus=Ht.OFF),e.provider.checkRequestQueue(),e.viewer.checkRequestQueue())}}},{key:"processTextureRequest",value:function(){var t,i,n=this,o=this.viewer,a=this.provider,r=o.getVisiblePages().main,s=0,l=n.zoomValue>1;if(o.isAnimating())n.textureRequestStatus=Ht.ON;else{Ut.log("Texture Request Working");for(var u=0;u<r.length;u++){s=0;var h=r[u];if(h>0&&h<=n.pageCount&&((t=l?o.zoomViewer.getPageByNumber(h):o.getPageByNumber(h))&&(i=o.getTextureSize({pageNumber:h}),t.changeTexture(h,Math.floor(i.height))&&(a.processPage({pageNumber:h,textureTarget:l?e.TEXTURE_TARGET.ZOOM:e.TEXTURE_TARGET.VIEWER}),s++,n.viewer.getAnnotationElement(h,!0))),s>0))break}0===s&&(n.textureRequestStatus=Ht.OFF)}}},{key:"applyTexture",value:function(t,i){var n=this,o=void 0!==t.toDataURL;if(i.textureTarget===e.TEXTURE_TARGET.THUMB){if(i.height=t.height,i.width=t.width,o){var a=t.toDataURL("image/png");n.provider.setCache(i.pageNumber,a,n.thumbSize),i.texture=a}else i.texture=t.src;n.thumblist.setPage(i)}else i.texture=o?t:t.src,!0===n.viewer.setPage(i)&&(n.provider.processAnnotations(i.pageNumber,n.viewer.getAnnotationElement(i.pageNumber,!0)),n.provider.processTextContent(i.pageNumber,n.viewer.getTextElement(i.pageNumber,!0)))}},{key:"processThumbRequest",value:function(){null!==this.thumblist&&void 0!==this.thumblist&&this.thumblist.processThumbRequest()}},{key:"refreshRequestStart",value:function(){this.refreshRequestStatus=Ht.COUNT,this.refreshRequestCount=0}},{key:"renderRequestStart",value:function(){this.renderRequestStatus=Ht.ON}},{key:"resizeRequestStart",value:function(){this.resizeRequestStatus=Ht.ON}},{key:"zoom",value:function(e){var t=this;t.pendingZoom=!0,t.zoomDelta=e,t.resize()}},{key:"resetZoom",value:function(){1!==this.zoomValue&&(this.zoomValue=1.001,this.zoom(-1))}},{key:"calculateLayout",value:function(){var t,i,n=this,o=n.isSideMenuOpen=n.container.hasClass("df-sidemenu-open"),a=n.dimensions,r=n.dimensions.padding,s=Bt(window).height();a.offset={top:0,left:n.options.sideMenuOverlay||!o||n.isRTL?0:220,right:!n.options.sideMenuOverlay&&o&&n.isRTL?220:0,bottom:0,width:!n.options.sideMenuOverlay&&o?220:0},n.viewerContainer.css({left:a.offset.left,right:a.offset.right});var l=a.controlsHeight=n.container.find(".df-ui").height();if(r.top=n.options.paddingTop+(n.options.controlsPosition===e.CONTROLS_POSITION.TOP?l:0),r.left=n.options.paddingLeft,r.right=n.options.paddingRight,r.bottom=n.options.paddingBottom+(n.options.controlsPosition===e.CONTROLS_POSITION.BOTTOM?l:0),r.height=r.top+r.bottom,r.width=r.left+r.right,r.heightDiff=r.top-r.bottom,r.widthDiff=r.left-r.right,a.isFullSize=!0===n.isFullscreen,a.isFixedHeight=a.isFullSize||!a.isAutoHeight,a.containerWidth=a.isFullSize?Bt(window).width():this.element.width(),n.container.toggleClass("df-xs",a.containerWidth<400).toggleClass("df-xss",a.containerWidth<320),a.maxHeight=s-(a.containerWidth>600&&null!==(t=Bt(null!==(i=n.options.headerElementSelector)&&void 0!==i?i:"#wpadminbar").height())&&void 0!==t?t:0),a.isFixedHeight)if(a.isFullSize)a.maxHeight=s;else{n.element.height(n.options.height);var u=n.element.height();a.maxHeight=Math.min(u,a.maxHeight)}a.width,a.stage.innerWidth=this.viewer._getInnerWidth();var h=a.stage.innerHeight=this.viewer._getInnerHeight(),p=this.viewer._getOuterHeight(h+a.padding.height);a.containerHeight=a.isFullSize?s:p,n.element.height(a.containerHeight);var c=n.element.height();a.isFullSize||c==a.containerHeight||(a.containerHeight=c,a.stage.innerHeight=c-a.padding.height,a.stage.height=c),a.origin={x:(r.widthDiff+a.containerWidth-a.offset.left-a.offset.right)/2,y:(r.heightDiff+a.containerHeight)/2},n.viewer.determinePageMode()}},{key:"resize",value:function(){var e=!(arguments.length>0&&void 0!==arguments[0])||arguments[0];Ut.log("Resize Request Initiated");var t=this;this.calculateLayout(),t.viewer.handleZoom(),t.viewer.resize(),!1!==e&&(t.pendingZoom?(this.viewer.refresh(),Ut.log("Pending Zoom updated")):this.refreshRequestStart(),this.ui.update(),this.renderRequestStatus=Ht.ON,t.zoomChanged=!1,t.pendingZoom=!1,this.executeCallback("afterResize"))}},{key:"hasOutline",value:function(){if(this.provider.outline.length>0)return!0}},{key:"switchFullscreen",value:function(){var e,t=this,i=t.container[0];if(t.container.toggleClass("df-fullscreen",!0!==t.isFullscreen),null!=t&&null!==(e=t.ui)&&void 0!==e&&null!==(e=e.controls)&&void 0!==e&&e.fullscreen&&t.ui.controls.fullScreen.toggleClass(t.options.icons["fullscreen-off"],!0!==t.isFullscreen),!0!==t.isFullscreen){var n=null;i.requestFullscreen?n=i.requestFullscreen():i.msRequestFullscreen?n=i.msRequestFullscreen():i.mozRequestFullScreen?n=i.mozRequestFullScreen():i.webkitRequestFullscreen&&(n=i.webkitRequestFullscreen()),n&&n.then&&n.then((function(){t.refreshRequestStatus,Ht.ON,t.resize()})),t.isFullscreen=!0}else t.isFullscreen=!1,document.exitFullscreen?document.fullscreenElement&&document.exitFullscreen():document.msExitFullscreen?document.msExitFullscreen():document.mozCancelFullScreen?document.mozCancelFullScreen():document.webkitExitFullscreen&&document.webkitExitFullscreen(),Ut.hasFullscreenEnabled()||t.container[0].scrollIntoView();Ut.hasFullscreenEnabled()||(t.resizeRequestStatus=Ht.ON)}},{key:"next",value:function(){this.jumpBy(this.jumpStep)}},{key:"prev",value:function(){this.jumpBy(-this.jumpStep)}},{key:"jumpBy",value:function(e){var t=this.currentPageNumber+e;t=Ut.limitAt(t,this.startPage,this.endPage),1!=this.anyFirstPageChanged&&(this.analytics({eventAction:this.options.analyticsFirstPageChange,options:this.options}),this.anyFirstPageChanged=!0),this.gotoPage(t),this.ui.update()}},{key:"openRight",value:function(){this.isRTL?this.prev():this.next()}},{key:"openLeft",value:function(){this.isRTL?this.next():this.prev()}},{key:"start",value:function(){this.gotoPage(this.startPage)}},{key:"end",value:function(){this.gotoPage(this.endPage)}},{key:"gotoPage",value:function(e){var t=this;e=t.getValidPage(parseInt(e,10)),null!==t.viewer&&!1!==t.viewer.validatePageChange(e)&&(this.executeCallback("beforePageChanged"),t.requestDestRefKey=void 0,t.container.removeClass("df-fetch-pdf"),t.oldPageNumber=t.currentPageNumber,t.currentPageNumber=e,t.thumbRequestStatus=Ht.ON,t.viewer.gotoPageCallBack&&t.viewer.gotoPageCallBack(),t.ui.update(),1==this.autoPlay&&this.setAutoPlay(this.autoPlay),!0===this.hashNavigationEnabled&&this.getURLHash(),this.executeCallback("onPageChanged"))}},{key:"gotoPageLabel",value:function(e){this.gotoPage(this.provider.getPageNumberForLabel(e.toString().trim()))}},{key:"getCurrentLabel",value:function(){return this.provider.getLabelforPage(this.currentPageNumber)}},{key:"autoPlayFunction",value:function(){this&&this.autoPlay&&(Ut.limitAt(this.currentPageNumber+this.jumpStep,this.startPage,this.endPage)!==this.currentPageNumber?this.next():this.setAutoPlay(!1))}},{key:"setAutoPlay",value:function(e){if(this.options.autoPlay){var t=(e=1==e)?this.options.text.pause:this.options.text.play;this.ui.controls.play.toggleClass(this.options.icons.pause,e),this.ui.controls.play.html("<span>"+t+"</span>"),this.ui.controls.play.attr("title",t),clearInterval(this.autoPlayTimer),e&&(this.autoPlayTimer=setInterval(this.autoPlayFunction.bind(this),this.options.autoPlayDuration)),this.autoPlay=e}}},{key:"isValidPage",value:function(e){return this.provider._isValidPage(e)}},{key:"getValidPage",value:function(e){var t=this;return isNaN(e)?e=t.currentPageNumber:e<1?e=1:e>t.pageCount&&(e=t.pageCount),e}},{key:"getURLHash",value:function(){if(null!=this.options.id){var e=Ut.getSharePrefix(this.options.sharePrefix)+(null!=this.options.slug?this.options.slug:this.options.id)+"/";null!=this.currentPageNumber&&(e+=this.currentPageNumber+"/"),history.replaceState(void 0,void 0,"#"+e)}return window.location.href}},{key:"executeCallback",value:function(e){}},{key:"analytics",value:function(e){}}],n&&zt(i.prototype,n),o&&zt(i,o),Object.defineProperty(i,"prototype",{writable:!1}),t}();function Vt(e){return Vt="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},Vt(e)}function Wt(e,t){var i=Object.keys(e);if(Object.getOwnPropertySymbols){var n=Object.getOwnPropertySymbols(e);t&&(n=n.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),i.push.apply(i,n)}return i}function Gt(e){for(var t=1;t<arguments.length;t++){var i=null!=arguments[t]?arguments[t]:{};t%2?Wt(Object(i),!0).forEach((function(t){qt(e,t,i[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(i)):Wt(Object(i)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(i,t))}))}return e}function qt(e,t,i){return(t=function(e){var t=function(e,t){if("object"!==Vt(e)||null===e)return e;var i=e[Symbol.toPrimitive];if(void 0!==i){var n=i.call(e,t||"default");if("object"!==Vt(n))return n;throw new TypeError("@@toPrimitive must return a primitive value.")}return("string"===t?String:Number)(e)}(e,"string");return"symbol"===Vt(t)?t:String(t)}(t))in e?Object.defineProperty(e,t,{value:i,enumerable:!0,configurable:!0,writable:!0}):e[t]=i,e}function Zt(e,t,i){for(var n=[],o=!1,a=0,r=0,s=0,l=void 0,u=0,h=0;h<e.length;h++){var p,c,d=Gt({},e[h]);if(s=(r=t[h].offset)+t[h].length,0==o)l=null===(p=i[u])||void 0===p?void 0:p.index,a=null===(c=i[u])||void 0===c?void 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"+r.viewerType+" | Using default Viewer!"),r.viewerType=e.viewers.default):r.viewerType=e.viewers[r.viewerType],r=Ut.finalizeOptions(Ut.sanitizeOptions(r))},e.Application=function(t){var i=e.prepareOptions(t),n=new jt(i);return t.element.data("df-app",n),null!=i.id&&!0!==i.isLightBox&&(window[i.id.toString()]=n),n},Bt.fn.extend({dearviewer_options:function(t){return null==t&&(t={}),t.element=Bt(this),new e.prepareOptions(t)},dearviewer:function(t){return null==t&&(t={}),t.element=Bt(this),new e.Application(t)}}),e.defaults.search=!0,jt.prototype.executeCallback=function(e){this.options&&"function"==typeof this.options[e]&&this.options[e](this)},jt.prototype.analytics=function(e){if(1==this.options.enableAnalytics)try{var t=e.options,i=void 0;t&&(i=t.bookTitle||t.slug||t.id);var n=window.gtag;if(n)n("event",e.eventAction,{event_category:t.analyticsEventCategory,event_label:i});else(window.ga||window.__gaTracker)("send",{hitType:"event",eventCategory:t.analyticsEventCategory,eventAction:e.eventAction,eventLabel:i})}catch(e){}},e.executeCallback=function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:window;"function"==typeof t[e]&&t[e]()},e.openAttachmentLightBoxes=function(){var t=jQuery("body .df-auto-open-lightbox");t.length>0&&jQuery(t[0]).trigger("click"),jQuery(window).on("hashchange",(function(t){var i=location.hash;i&&i.length>5&&(e.hashFocusBookFound=!1,u.detectHash())}))},st.prototype.processCustomLinks=function(e,t){var i=this,n=this.app;if(!1!==n.options.enableAnnotation&&i._isValidPage(e)&&null!=t){var o=n.viewer.getDocumentPageNumber(e),a=n.options.links;if(null!=a&&null!=a[o])for(var r=a[o],s=0;s<r.length;s++){var l=r[s],u=void 0;l.dest&&l.dest.indexOf&&0==l.dest.indexOf("[html]")?((u=document.createElement("div")).innerHTML=l.dest.substr(6),u.className="customHtmlAnnotation"):((u=document.createElement("a")).setAttribute("dest",l.dest),u.className="customLinkAnnotation",u.href="#"+l.dest,u.onclick=function(){var e=this.getAttribute("dest");return e&&i.linkService.customNavigateTo(e),!1}),u.style.left=l.x+"%",u.style.top=l.y+"%",u.style.width=l.w+"%",u.style.height=l.h+"%",t.appendChild(u)}n.viewer.finalizeAnnotations(t,e)}},lt.prototype.processTextContent=function(e,t){var i=this,n=this.app;if(i._isValidPage(e)&&null!=t){var o=!0===n.options.enableAnnotation&&!0===n.options.enableAutoLinks;if(o||!1!==n.options.showSearchControl){var a=n.viewer.getDocumentPageNumber(e);t.innerHTML="",i.pdfDocument.getPage(a).then((function(r){var s=r.getViewport({scale:1,rotation:r._pageInfo.rotate+n.options.pageRotation});s=r.getViewport({scale:n.viewer.getTextureSize({pageNumber:e,isAnnotation:!0}).height/(s.height*n.options.pixelRatio),rotation:r._pageInfo.rotate+n.options.pageRotation}),t.parentNode.style.setProperty("--scale-factor",s.scale),r.getTextContent().then((function(r){var l;i.prepareTextContent(r,a);var h=i.autoLinkItemsCache[a],p=i.autoLinkHitsCache[a],c=i.searchHitItemsCache[a],d=i.searchHits[e],f=i.textOffset[a];if(!0===o&&null==h){h=[],p=u.urlify(i.textContentJoined[a].toLowerCase());var g=i.PDFLinkItemsCache[a];g&&g.length<5&&(g=void 0),h=Zt(r.items,f,p),i.autoLinkItemsCache[a]=h,i.autoLinkHitsCache[a]=p}if(null==c&&null!=f&&d&&d.length>0&&(c=Zt(r.items,f,d),i.searchHitItemsCache[a]=c),h&&h.length>0){var v=jQuery(t).siblings(".df-auto-link-content");0==v.length&&(v=jQuery('<div class="df-auto-link-content">'),jQuery(t).parent().prepend(v)),v.html(""),r.items=h;var m=pdfjsLib.renderTextLayer({textContentSource:r,textContent:r,container:v[0],viewport:s,textDivs:[]}),y=0;m._textDivs.forEach((function(e){var t=r.items[y],i="",n=0,o=0,a=0,s="",l="";for(a=0;a<t.searchHits.length;a++)i+=t.str.substring(n,t.searchHits[a].start),n=t.searchHits[a].start,o=t.searchHits[a].length,s=t.str.substring(n,n+o),l=t.searchHits[a].text,s.indexOf("@")>0?((l=l.toLowerCase()).indexOf(!1)&&(l="mailto:"+s),i+='<a href="'+l+'" class="df-autolink" target="_blank">'+s+"</a>"):(0===l.indexOf("www.")&&(l="http://"+l),i+='<a href="'+l+'" class="df-autolink" target="_blank">'+s+"</a>"),u.log("AutoLink: "+l+" for "+s),n+=o;i+=t.str.substring(n,t.str.length),y++,e.innerHTML=i}))}if(c&&c.length>0){r.items=c;m=pdfjsLib.renderTextLayer({textContentSource:r,textContent:r,container:t,viewport:s,textDivs:[]});var b=0;m._textDivs.forEach((function(e){var t=r.items[b],i="",n=0,o=0,a=0;for(a=0;a<t.searchHits.length;a++)i+=t.str.substring(n,t.searchHits[a].start),n=t.searchHits[a].start,o=t.searchHits[a].length,i+='<span class="df-search-highlight">'+t.str.substring(n,n+o)+"</span>",n+=o;i+=t.str.substring(n,t.str.length),b++,e.innerHTML=i,e.classList+=" df-search-hits"}))}null==n||null===(l=n.viewer)||void 0===l||l.finalizeTextContent(t,e)}))}))}}},lt.prototype.processAnnotations=function(e,t){var i=this,n=this.app;if(!1!==n.options.enableAnnotation&&i._isValidPage(e)&&null!=t){var o=n.viewer.getDocumentPageNumber(e);i.pdfDocument.getPage(o).then((function(a){var r=a.getViewport({scale:1,rotation:a._pageInfo.rotate+n.options.pageRotation});r=a.getViewport({scale:n.viewer.getTextureSize({pageNumber:e,isAnnotation:!0}).height/(r.height*n.options.pixelRatio),rotation:a._pageInfo.rotate+n.options.pageRotation}),a.getAnnotations().then((function(s){if(null!==n.options&&null!==n.viewer&&0!=s.length){r=r.clone({dontFlip:!0});var l={annotations:s,div:t,page:a,viewport:r,imageResourcesPath:n.options.imageResourcesPath,linkService:i.linkService};if(pdfjsLib.AnnotationLayer.render(l),n.options.annotationClass&&""!==n.options.annotationClass&&jQuery(t).find(" > section").addClass(n.options.annotationClass),null==i.PDFLinkItemsCache[o])jQuery(t).find("a:not([href^='#'])").map((function(){return jQuery(this).attr("href")})).get().join(",");i.processCustomLinks(e,t),n.viewer.finalizeAnnotations(t,e)}}))}))}},e.getPDFThumb=function(t){var i={};i.url=u.httpsCorrection(t.pdfURL),i.rangeChunkSize=524288,i.cMapPacked=!0,i.disableAutoFetch=!0,i.disableStream=!0,i.disableFontFace=e.defaults.disableFontFace,i.cMapUrl=e.defaults.cMapUrl,i.imagesLocation=e.defaults.imagesLocation,i.imageResourcesPath=e.defaults.imageResourcesPath;var n=pdfjsLib.getDocument(i),o=n.promise.then((function(e){e.getPage(1).then((function(e){var i=1,a=document.createElement("canvas"),r=e.getViewport({scale:i});i=r.width>r.height?400*i/r.width:400*i/r.height,r=e.getViewport({scale:i}),a.height=Math.floor(r.height),a.width=Math.floor(r.width),e.render({canvas:a,canvasContext:a.getContext("2d"),viewport:r}).promise.then((function(){var e,i=a.toDataURL("image/jpeg",.9);null===(e=t.callback)||void 0===e||e.call(t,i),o.destroy&&o.destroy(),n.destroy&&n.destroy(),o=null,n=null}))}))}));n.onProgress=function(e){var i=100*e.loaded/e.total;isNaN(i)?e&&e.loaded?t.updateInfo("Loading PDF "+(Math.ceil(e.loaded/1e4)/100).toFixed(2).toString()+"MB ..."):t.updateInfo("Loading PDF ..."):t.updateInfo("Loading PDF "+Math.ceil(i).toString().split(".")[0]+"% ...")}};var Kt=e.jQuery,Qt=window.DFLIP=window.DEARFLIP=e;Qt.defaults.viewerType="flipbook",Qt.defaults.analyticsEventCategory="Flipbook",Qt.defaults.analyticsViewerReady="Book Ready",Qt.defaults.analyticsViewerOpen="Open Book",Qt.defaults.analyticsViewerClose="Book Closed",Qt.defaults.analyticsFirstPageChange="First Page Flip",Qt.slug="dflip",Qt.locationVar="dFlipLocation",Qt.locationFile="dflip",Qt.PAGE_MODE={SINGLE:1,DOUBLE:2,AUTO:null},Qt.SINGLE_PAGE_MODE={ZOOM:1,BOOKLET:2,AUTO:null},Qt.CONTROLSPOSITION={HIDDEN:"hide",TOP:"top",BOTTOM:"bottom"},Qt.DIRECTION={LTR:1,RTL:2},Qt.PAGE_SIZE={AUTO:0,SINGLE:1,DOUBLEINTERNAL:2},Qt.ConvertPageLinks=function(){for(var e,t=arguments[0]/100,i=arguments[1]/100,n=function(e,n,o,a,r){return{x:e/t,y:n/i,w:o/t,h:a/i,dest:r}},o=[],a=2;a<arguments.length;a++)e=arguments[a],o[a-2]=n.apply(this,e);return o},Qt.parseLinks=function(e){var t;if(null!=e&&e.length>0)for(var i=0;i<e.length;i++)null!=(t=e[i])&&null!=t[0]&&null==t[0].dest&&(t=Qt.ConvertPageLinks.apply(this,t),e[i]=t);return e},Qt.parseFallBack=function(){Kt(".df-posts").addClass("dflip-books"),Kt(".dflip-books").addClass("df-posts"),Kt("._df_button, ._df_thumb, ._df_custom, ._df_book, ._df_hidden").each((function(){var e=Kt(this);"true"!==e.data("df-parsed")&&(e.addClass("df-element"),e.hasClass("_df_book")||(e.hasClass("_df_thumb")?(e.attr("data-df-lightbox","thumb"),void 0!==e.attr("thumb")&&e.data("df-thumb",e.attr("thumb"))):e.hasClass("_df_button")?e.attr("data-df-lightbox","button"):e.hasClass("_df_hidden")?e.attr("data-df-lightbox","hidden"):e.attr("data-df-lightbox","custom")))}))},Qt.parseBooks=function(){Qt.parseFallBack(),Qt.parseElements()};var Xt=function(e){if(null!=e.source&&(Array===e.source.constructor||Array.isArray(e.source)||e.source instanceof Array)&&(e.providerType="image"),null!=e.cover3DType&&(1==e.cover3DType||"true"==e.cover3DType?e.cover3DType=Qt.FLIPBOOK_COVER_TYPE.BASIC:0!=e.cover3DType&&"false"!=e.cover3DType||(e.cover3DType=Qt.FLIPBOOK_COVER_TYPE.NONE)),void 0!==e.pageSize&&("1"===e.pageSize||1===e.pageSize||e.pageSize===Qt.FLIPBOOK_PAGE_SIZE.SINGLE?e.pageSize=Qt.FLIPBOOK_PAGE_SIZE.SINGLE:"2"===e.pageSize||2===e.pageSize||e.pageSize===Qt.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL?e.pageSize=Qt.FLIPBOOK_PAGE_SIZE.DOUBLE_INTERNAL:e.pageSize=Qt.FLIPBOOK_PAGE_SIZE.AUTO),void 0!==e.pageMode&&("1"===e.pageMode||1===e.pageMode||e.pageMode===Qt.FLIPBOOK_PAGE_MODE.SINGLE?e.pageMode=Qt.FLIPBOOK_PAGE_MODE.SINGLE:"2"===e.pageMode||2===e.pageMode||e.pageMode===Qt.FLIPBOOK_PAGE_MODE.DOUBLE?e.pageMode=Qt.FLIPBOOK_PAGE_MODE.DOUBLE:e.pageMode=Qt.FLIPBOOK_PAGE_MODE.AUTO),void 0!==e.singlePageMode&&("1"===e.singlePageMode||1===e.singlePageMode||e.singlePageMode===Qt.FLIPBOOK_SINGLE_PAGE_MODE.ZOOM?e.singlePageMode=Qt.FLIPBOOK_SINGLE_PAGE_MODE.ZOOM:"2"===e.singlePageMode||2===e.singlePageMode||e.singlePageMode===Qt.FLIPBOOK_SINGLE_PAGE_MODE.BOOKLET?e.singlePageMode=Qt.FLIPBOOK_SINGLE_PAGE_MODE.BOOKLET:e.singlePageMode=Qt.FLIPBOOK_SINGLE_PAGE_MODE.AUTO),void 0!==e.controlsPosition&&"hide"===e.controlsPosition&&(e.controlsPosition=Qt.CONTROLS_POSITION.HIDDEN),void 0!==e.overwritePDFOutline&&(e.overwritePDFOutline=u.isTrue(e.overwritePDFOutline)),void 0!==e.webgl&&(e.is3D=e.webgl=e.webgl,delete e.webgl),void 0!==e.webglShadow&&(e.has3DShadow=u.isTrue(e.webglShadow),delete e.webglShadow),void 0!==e.scrollWheel&&(u.isTrue(e.scrollWheel)&&(e.mouseScrollAction=Qt.MOUSE_SCROLL_ACTIONS.ZOOM),delete e.scrollWheel),void 0!==e.stiffness&&delete e.stiffness,void 0!==e.soundEnable&&(e.enableSound=u.isTrue(e.soundEnable),delete e.soundEnable),void 0!==e.enableDownload&&(e.showDownloadControl=u.isTrue(e.enableDownload),delete e.enableDownload),void 0!==e.autoEnableOutline&&(e.autoOpenOutline=u.isTrue(e.autoEnableOutline),delete e.autoEnableOutline),void 0!==e.autoEnableThumbnail&&(e.autoOpenThumbnail=u.isTrue(e.autoEnableThumbnail),delete e.autoEnableThumbnail),void 0!==e.direction&&("2"===e.direction||2===e.direction||e.direction===Qt.READ_DIRECTION.RTL?e.readDirection=Qt.READ_DIRECTION.RTL:e.readDirection=Qt.READ_DIRECTION.LTR,delete e.direction),void 0!==e.hard&&(e.flipbookHardPages=e.hard,"hard"===e.flipbookHardPages&&(e.flipbookHardPages="all"),delete e.hard),void 0!==e.forceFit&&delete e.forceFit,"undefined"!=typeof dFlipWPGlobal&&"true"===e.wpOptions){if(!0!==e.linksparsed){e.linksparsed=!0;var t=[];try{for(var i in e.links){for(var n=e.links[i],o=[100,100],a=0;a<n.length;a++){for(var r=n[a].substr(1).slice(0,-1).split(","),s=[],l=0;l<5;l++)s[l]=r[l];o.push(s)}t[parseInt(i,10)+1]=o}}catch(e){console.error(e.stack)}e.links=Qt.parseLinks(t)}}else e.links=Qt.parseLinks(e.links);return u.sanitizeOptions(e)};Kt.fn.extend({flipBook:function(t,i){return null==i&&(i={}),i.source=t,i.element=Kt(this),new e.Application(i)}}),Kt(document).ready((function(){var e=Kt("body");Qt.executeCallback("beforeDearFlipInit"),void 0!==window.dFlipWPGlobal&&Kt.extend(!0,Qt.defaults,Xt(window.dFlipWPGlobal)),Qt.initUtils(),Qt.initControls(),e.on("click",".df-element[data-df-lightbox],.df-element[data-lightbox]",(function(e){var t=Kt(e.target||e.originalTarget);if(!t||!t.hasClass("df-edit-link")){var i=Kt(this),n=i.attr("target"),o=i.attr("href"),a=!1;"#"===o||void 0===o||i.hasClass("df-hash-focused")?a=!0:"_self"===n||"_blank"===n||(null==n&&"_self"===Qt.defaults.targetWindow?i.attr("target","_self"):null==n&&"_blank"===Qt.defaults.targetWindow?i.attr("target","_blank"):a=!0),a&&(e.preventDefault(),e.stopPropagation(),Qt.openLightBox(i))}})),e.on("click",".df-trigger",(function(e){var t=Kt(this).attr("df-trigger");Kt("[df-trigger-id="+t+"]").trigger("click")})),Qt.checkBrowserURLforDefaults(),Qt.parseCSSElements(),Qt.parseFallBack(),u.detectHash(),Qt.parseNormalElements(),Qt.checkBrowserURLforPDF(!0),Qt.openAttachmentLightBoxes(),Qt.executeCallback("afterDearFlipInit")})),u.finalizeOptions=function(e){return Xt(e)},Pt.prototype.processAnnotations=function(e,t){this.processCustomLinks(e,t)},Qt.executeCallback("onDearFlipLoad")}()}();