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S2OJ/web/lib/MathJax/a11y/explorer.js

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!function(){"use strict";var t,e,o,r,n,i,a,s,l={18:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])},r(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}),i=this&&this.__assign||function(){return i=Object.assign||function(t){for(var e,o=1,r=arguments.length;o<r;o++)for(var n in e=arguments[o])Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t},i.apply(this,arguments)},a=this&&this.__createBinding||(Object.create?function(t,e,o,r){void 0===r&&(r=o);var n=Object.getOwnPropertyDescriptor(e,o);n&&!("get"in n?!e.__esModule:n.writable||n.configurable)||(n={enumerable:!0,get:function(){return 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e.attached=!1,e.eventsAttached=!1,e.events=t.prototype.Events.call(e).concat([["keydown",e.KeyDown.bind(e)],["focusin",e.FocusIn.bind(e)],["focusout",e.FocusOut.bind(e)]]),e.oldIndex=null,e}return n(e,t),e.prototype.FocusIn=function(t){},e.prototype.FocusOut=function(t){this.Stop()},e.prototype.Update=function(t){if(void 0===t&&(t=!1),this.active||t){this.highlighter.unhighlight();var e=this.walker.getFocus(!0).getNodes();e.length||(this.walker.refocus(),e=this.walker.getFocus().getNodes()),this.highlighter.highlight(e)}},e.prototype.Attach=function(){t.prototype.Attach.call(this),this.attached=!0,this.oldIndex=this.node.tabIndex,this.node.tabIndex=1,this.node.setAttribute("role","application")},e.prototype.AddEvents=function(){this.eventsAttached||(t.prototype.AddEvents.call(this),this.eventsAttached=!0)},e.prototype.Detach=function(){this.active&&(this.node.tabIndex=this.oldIndex,this.oldIndex=null,this.node.removeAttribute("role")),this.attached=!1},e.prototype.Stop=function(){this.active&&(this.highlighter.unhighlight(),this.walker.deactivate()),t.prototype.Stop.call(this)},e}(l.AbstractExplorer);e.AbstractKeyExplorer=u;var h=function(t){function e(e,o,r,n){var i=t.call(this,e,o,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.showRegion="subtitles",i.init=!1,i.restarted=!1,i.initWalker(),i}return n(e,t),e.prototype.Start=function(){var o=this;if(this.attached){var r=this.getOptions();if(!this.init)return this.init=!0,void(e.updatePromise=e.updatePromise.then((function(){return i(o,void 0,void 0,(function(){var t=this;return a(this,(function(e){return[2,c.default.sreReady().then((function(){return c.default.setupEngine({locale:r.locale})})).then((function(){t.Speech(t.walker),t.Start()}))]}))}))})).catch((function(t){return console.log(t.message)})));t.prototype.Start.call(this),this.speechGenerator=c.default.getSpeechGenerator("Direct"),this.speechGenerator.setOptions(r),this.walker=c.default.getWalker("table",this.node,this.speechGenerator,this.highlighter,this.mml),this.walker.activate(),this.Update(),this.document.options.a11y[this.showRegion]&&e.updatePromise.then((function(){return o.region.Show(o.node,o.highlighter)})),this.restarted=!0}},e.prototype.Update=function(o){var r=this;void 0===o&&(o=!1),t.prototype.Update.call(this,o);var n=this.speechGenerator.getOptions();"speech"===n.modality&&(this.document.options.sre.domain=n.domain,this.document.options.sre.style=n.style,this.document.options.a11y.speechRules=n.domain+"-"+n.style),e.updatePromise=e.updatePromise.then((function(){return i(r,void 0,void 0,(function(){var t=this;return a(this,(function(e){return[2,c.default.sreReady().then((function(){return c.default.setupEngine({modality:n.modality,locale:n.locale})})).then((function(){return t.region.Update(t.walker.speech())}))]}))}))}))},e.prototype.Speech=function(t){var o=this;e.updatePromise.then((function(){t.speech(),o.node.setAttribute("hasspeech","true"),o.Update(),o.restarted&&o.document.options.a11y[o.showRegion]&&o.region.Show(o.node,o.highlighter)}))},e.prototype.KeyDown=function(t){var e=t.keyCode;if(this.walker.modifier=t.shiftKey,27===e)return this.Stop(),void this.stopEvent(t);if(this.active){if(this.Move(e),this.triggerLink(e))return;this.stopEvent(t)}else(32===e&&t.shiftKey||13===e)&&(this.Start(),this.stopEvent(t))},e.prototype.triggerLink=function(t){var e,o;if(13!==t)return!1;var r=null===(e=this.walker.getFocus().getNodes())||void 0===e?void 0:e[0];return!!(null===(o=null==r?void 0:r.getAttribute("data-semantic-postfix"))||void 0===o?void 0:o.match(/(^| )link($| )/))&&(r.parentNode.dispatchEvent(new MouseEvent("click")),!0)},e.prototype.Move=function(t){this.walker.move(t),this.Update()},e.prototype.initWalker=function(){this.speechGenerator=c.default.getSpeechGenerator("Tree");var t=c.default.getWalker("dummy",this.node,this.speechGenerator,this.highlighter,this.mml);this.walker=t},e.prototype.getOptions=function(){var t=this.speechGenerator.getOptions(),e=this.document.options.sre;return"speech"!==t.modality||t.locale===e.locale&&t.domain===e.domain&&t.style===e.style||(t.domain=e.domain,t.style=e.style,t.locale=e.locale,this.walker.update(t)),t},e.updatePromise=Promise.resolve(),e}(u);e.SpeechExplorer=h;var p=function(t){function e(e,o,r,n){var i=t.call(this,e,o,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.walker=c.default.getWalker("table",i.node,c.default.getSpeechGenerator("Dummy"),i.highlighter,i.mml),i}return n(e,t),e.prototype.Update=function(e){void 0===e&&(e=!1),t.prototype.Update.call(this,e),this.showFocus()},e.prototype.Start=function(){t.prototype.Start.call(this),this.attached&&(this.region.Show(this.node,this.highlighter),this.walker.activate(),this.Update())},e.prototype.showFocus=function(){var t=this.walker.getFocus().getNodes()[0];this.region.Show(t,this.highlighter)},e.prototype.Move=function(t){this.walker.move(t)&&this.Update()},e.prototype.KeyDown=function(t){var e=t.keyCode;return this.walker.modifier=t.shiftKey,27===e?(this.Stop(),void this.stopEvent(t)):this.active&&13!==e?(this.Move(e),void this.stopEvent(t)):void((32===e&&t.shiftKey||13===e)&&(this.Start(),this.stopEvent(t)))},e}(u);e.Magnifier=p},85:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])},r(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}),i=this&&this.__read||function(t,e){var o="function"==typeof Symbol&&t[Symbol.iterator];if(!o)return t;var r,n,i=o.call(t),a=[];try{for(;(void 0===e||e-- >0)&&!(r=i.next()).done;)a.push(r.value)}catch(t){n={error:t}}finally{try{r&&!r.done&&(o=i.return)&&o.call(i)}finally{if(n)throw n.error}}return a};Object.defineProperty(e,"__esModule",{value:!0}),e.FlameHoverer=e.ContentHoverer=e.ValueHoverer=e.Hoverer=e.AbstractMouseExplorer=void 0;var a=o(367),s=o(724);o(712);var l=function(t){function e(){var e=null!==t&&t.apply(this,arguments)||this;return e.events=t.prototype.Events.call(e).concat([["mouseover",e.MouseOver.bind(e)],["mouseout",e.MouseOut.bind(e)]]),e}return n(e,t),e.prototype.MouseOver=function(t){this.Start()},e.prototype.MouseOut=function(t){this.Stop()},e}(s.AbstractExplorer);e.AbstractMouseExplorer=l;var c=function(t){function e(e,o,r,n,i){var a=t.call(this,e,o,r)||this;return a.document=e,a.region=o,a.node=r,a.nodeQuery=n,a.nodeAccess=i,a}return n(e,t),e.prototype.MouseOut=function(e){e.clientX===this.coord[0]&&e.clientY===this.coord[1]||(this.highlighter.unhighlight(),this.region.Hide(),t.prototype.MouseOut.call(this,e))},e.prototype.MouseOver=function(e){t.prototype.MouseOver.call(this,e);var o=e.target;this.coord=[e.clientX,e.clientY];var r=i(this.getNode(o),2),n=r[0],a=r[1];n&&(this.highlighter.unhighlight(),this.highlighter.highlight([n]),this.region.Update(a),this.region.Show(n,this.highlighter))},e.prototype.getNode=function(t){for(var e=t;t&&t!==this.node;){if(this.nodeQuery(t))return[t,this.nodeAccess(t)];t=t.parentNode}for(t=e;t;){if(this.nodeQuery(t))return[t,this.nodeAccess(t)];var o=t.childNodes[0];t=o&&"defs"===o.tagName?t.childNodes[1]:o}return[null,null]},e}(l);e.Hoverer=c;var u=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e}(c);e.ValueHoverer=u;var h=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e}(c);e.ContentHoverer=h;var p=function(t){function e(e,o,r){var n=t.call(this,e,new a.DummyRegion(e),r,(function(t){return n.highlighter.isMactionNode(t)}),(function(){}))||this;return n.document=e,n.node=r,n}return n(e,t),e}(c);e.FlameHoverer=p},367:function(t,e,o){var r,n,i,a,s=this&&this.__extends||(r=function(t,e){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])},r(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)});Object.defineProperty(e,"__esModule",{value:!0}),e.HoverRegion=e.LiveRegion=e.ToolTip=e.StringRegion=e.DummyRegion=e.AbstractRegion=void 0;var l=o(888),c=function(){function t(t){this.document=t,this.CLASS=this.constructor,this.AddStyles(),this.AddElement()}return t.prototype.AddStyles=function(){if(!this.CLASS.styleAdded){var t=this.document.adaptor.node("style");t.innerHTML=this.CLASS.style.cssText,this.document.adaptor.head(this.document.adaptor.document).appendChild(t),this.CLASS.styleAdded=!0}},t.prototype.AddElement=function(){var t=this.document.adaptor.node("div");t.classList.add(this.CLASS.className),t.style.backgroundColor="white",this.div=t,this.inner=this.document.adaptor.node("div"),this.div.appendChild(this.inner),this.document.adaptor.body(this.document.adaptor.document).appendChild(this.div)},t.prototype.Show=function(t,e){this.position(t),this.highlight(e),this.div.classList.add(this.CLASS.className+"_Show")},t.prototype.Hide=function(){this.div.classList.remove(this.CLASS.className+"_Show")},t.prototype.stackRegions=function(t){for(var e=t.getBoundingClientRect(),o=0,r=Number.POSITIVE_INFINITY,n=this.document.adaptor.document.getElementsByClassName(this.CLASS.className+"_Show"),i=0,a=void 0;a=n[i];i++)a!==this.div&&(o=Math.max(a.getBoundingClientRect().bottom,o),r=Math.min(a.getBoundingClientRect().left,r));var s=(o||e.bottom+10)+window.pageYOffset,l=(r<Number.POSITIVE_INFINITY?r:e.left)+window.pageXOffset;this.div.style.top=s+"px",this.div.style.left=l+"px"},t.styleAdded=!1,t}();e.AbstractRegion=c;var u=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.Clear=function(){},e.prototype.Update=function(){},e.prototype.Hide=function(){},e.prototype.Show=function(){},e.prototype.AddElement=function(){},e.prototype.AddStyles=function(){},e.prototype.position=function(){},e.prototype.highlight=function(t){},e}(c);e.DummyRegion=u;var h=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.prototype.Clear=function(){this.Update(""),this.inner.style.top="",this.inner.style.backgroundColor=""},e.prototype.Update=function(t){this.inner.textContent="",this.inner.textContent=t},e.prototype.position=function(t){this.stackRegions(t)},e.prototype.highlight=function(t){var e=t.colorString();this.inner.style.backgroundColor=e.background,this.inner.style.color=e.foreground},e}(c);e.StringRegion=h;var p=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return s(e,t),e.className="MJX_ToolTip",e.style=new l.CssStyles(((n={})["."+e.className]={position:"absolute",display:"inline-block",height:"1px",width:"1px"},n["."+e.className+"_Show"]={width:"auto",height:"auto",opacity:1,"text-align":"center","border-radius":"6px",padding:"0px 0px","border-bottom":"1px dotted black",position:"absolute","z-index":202},n)),e}(h);e.ToolTip=p;var f=function(t){function e(e){var o=t.call(this,e)||this;return o.document=e,o.div.setAttribute("aria-live","assertive"),o}return s(e,t),e.className="MJX_LiveRegion",e.style=new l.CssStyles(((i={})["."+e.className]={position:"absolute",top:"0",height:"1px",width:"1px",padding:"1px",overflow:"hidden"},i["."+e.className+"_Show"]={top:"0",position:"absolute",width:"auto",height:"auto",padding:"0px 0px",opacity:1,"z-index":"202",left:0,right:0,margin:"0 auto","background-color":"rgba(0, 0, 255, 0.2)","box-shadow":"0px 10px 20px #888",border:"2px solid #CCCCCC"},i)),e}(h);e.LiveRegion=f;var d=function(t){function e(e){var o=t.call(this,e)||this;return o.document=e,o.inner.style.lineHeight="0",o}return s(e,t),e.prototype.position=function(t){var e,o=t.getBoundingClientRect(),r=this.div.getBoundingClientRect(),n=o.left+o.width/2-r.width/2;switch(n=n<0?0:n,n+=window.pageXOffset,this.document.options.a11y.align){case"top":e=o.top-r.height-10;break;case"bottom":e=o.bottom+10;break;default:e=o.top+o.height/2-r.height/2}e=(e+=window.pageYOffset)<0?0:e,this.div.style.top=e+"px",this.div.style.left=n+"px"},e.prototype.highlight=function(t){if(!this.inner.firstChild||this.inner.firstChild.hasAttribute("sre-highlight")){var e=t.colorString();this.inner.style.backgroundColor=e.background,this.inner.style.color=e.foreground}},e.prototype.Show=function(e,o){this.div.style.fontSize=this.document.options.a11y.magnify,this.Update(e),t.prototype.Show.call(this,e,o)},e.prototype.Clear=function(){this.inner.textContent="",this.inner.style.top="",this.inner.style.backgroundColor=""},e.prototype.Update=function(t){this.Clear();var e=this.cloneNode(t);this.inner.appendChild(e)},e.prototype.cloneNode=function(t){var e=t.cloneNode(!0);if("MJX-CONTAINER"!==e.nodeName){"g"!==e.nodeName&&(e.style.marginLeft=e.style.marginRight="0");for(var o=t;o&&"MJX-CONTAINER"!==o.nodeName;)o=o.parentNode;if("MJX-MATH"!==e.nodeName&&"svg"!==e.nodeName)if("svg"===(e=o.firstChild.cloneNode(!1).appendChild(e).parentNode).nodeName){e.firstChild.setAttribute("transform","matrix(1 0 0 -1 0 0)");var r=parseFloat(e.getAttribute("viewBox").split(/ /)[2]),n=parseFloat(e.getAttribute("width")),i=t.getBBox(),a=i.x,s=i.y,l=i.width,c=i.height;e.setAttribute("viewBox",[a,-(s+c),l,c].join(" ")),e.removeAttribute("style"),e.setAttribute("width",n/r*l+"ex"),e.setAttribute("height",n/r*c+"ex"),o.setAttribute("sre-highlight","false")}(e=o.cloneNode(!1).appendChild(e).parentNode).style.margin="0"}return e},e.className="MJX_HoverRegion",e.style=new l.CssStyles(((a={})["."+e.className]={position:"absolute",height:"1px",width:"1px",padding:"1px",overflow:"hidden"},a["."+e.className+"_Show"]={position:"absolute",width:"max-content",height:"auto",padding:"0px 0px",opacity:1,"z-index":"202",margin:"0 auto","background-color":"rgba(0, 0, 255, 0.2)","box-shadow":"0px 10px 20px #888",border:"2px solid #CCCCCC"},a)),e}(c);e.HoverRegion=d},854:function(t,e,o){var r,n=this&&this.__extends||(r=function(t,e){return r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(t,e){t.__proto__=e}||function(t,e){for(var o in e)Object.prototype.hasOwnProperty.call(e,o)&&(t[o]=e[o])},r(t,e)},function(t,e){if("function"!=typeof e&&null!==e)throw new TypeError("Class extends value "+String(e)+" is not a constructor or null");function o(){this.constructor=t}r(t,e),t.prototype=null===e?Object.create(e):(o.prototype=e.prototype,new o)}),i=this&&this.__importDefault||function(t){return t&&t.__esModule?t:{default:t}};Object.defineProperty(e,"__esModule",{value:!0}),e.TreeColorer=e.FlameColorer=e.AbstractTreeExplorer=void 0;var a=o(724),s=i(o(712)),l=function(t){function e(e,o,r,n){var i=t.call(this,e,null,r)||this;return i.document=e,i.region=o,i.node=r,i.mml=n,i.stoppable=!1,i}return n(e,t),e.prototype.Attach=function(){t.prototype.Attach.call(this),this.Start()},e.prototype.Detach=function(){this.Stop(),t.prototype.Detach.call(this)},e}(a.AbstractExplorer);e.AbstractTreeExplorer=l;var c=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e.prototype.Start=function(){this.active||(this.active=!0,this.highlighter.highlightAll(this.node))},e.prototype.Stop=function(){this.active&&this.highlighter.unhighlightAll(),this.active=!1},e}(l);e.FlameColorer=c;var u=function(t){function e(){return null!==t&&t.apply(this,arguments)||this}return n(e,t),e.prototype.Start=function(){if(!this.active){this.active=!0;var t=s.default.getSpeechGenerator("Color");this.node.hasAttribute("hasforegroundcolor")||(t.generateSpeech(this.node,this.mml),this.node.setAttribute("hasforegroundcolor","true")),this.highlighter.colorizeAll(this.node)}},e.prototype.Stop=function(){this.active&&this.highlighter.uncolorizeAll(this.node),this.active=!1},e}(l);e.TreeColorer=u},306:function(t,e){e.q=void 0,e.q="3.2.2"},511:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.EnrichedMathItemMixin=MathJax._.a11y["semantic-enrich"].EnrichedMathItemMixin,e.EnrichedMathDocumentMixin=MathJax._.a11y["semantic-enrich"].EnrichedMathDocumentMixin,e.EnrichHandler=MathJax._.a11y["semantic-enrich"].EnrichHandler},712:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.Sre=MathJax._.a11y.sre.Sre,e.sreReady=MathJax._.a11y.sre.sreReady,e.default=MathJax._.a11y.sre.default},723:function(t,e){MathJax._.components.global.isObject,MathJax._.components.global.combineConfig,MathJax._.components.global.combineDefaults,e.r8=MathJax._.components.global.combineWithMathJax,MathJax._.components.global.MathJax},769:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.protoItem=MathJax._.core.MathItem.protoItem,e.AbstractMathItem=MathJax._.core.MathItem.AbstractMathItem,e.STATE=MathJax._.core.MathItem.STATE,e.newState=MathJax._.core.MathItem.newState},433:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.DATAMJX=MathJax._.core.MmlTree.SerializedMmlVisitor.DATAMJX,e.toEntity=MathJax._.core.MmlTree.SerializedMmlVisitor.toEntity,e.SerializedMmlVisitor=MathJax._.core.MmlTree.SerializedMmlVisitor.SerializedMmlVisitor},77:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.isObject=MathJax._.util.Options.isObject,e.APPEND=MathJax._.util.Options.APPEND,e.REMOVE=MathJax._.util.Options.REMOVE,e.OPTIONS=MathJax._.util.Options.OPTIONS,e.Expandable=MathJax._.util.Options.Expandable,e.expandable=MathJax._.util.Options.expandable,e.makeArray=MathJax._.util.Options.makeArray,e.keys=MathJax._.util.Options.keys,e.copy=MathJax._.util.Options.copy,e.insert=MathJax._.util.Options.insert,e.defaultOptions=MathJax._.util.Options.defaultOptions,e.userOptions=MathJax._.util.Options.userOptions,e.selectOptions=MathJax._.util.Options.selectOptions,e.selectOptionsFromKeys=MathJax._.util.Options.selectOptionsFromKeys,e.separateOptions=MathJax._.util.Options.separateOptions,e.lookup=MathJax._.util.Options.lookup},888:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.CssStyles=MathJax._.util.StyleList.CssStyles},850:function(t,e){Object.defineProperty(e,"__esModule",{value:!0}),e.MJContextMenu=MathJax._.ui.menu.MJContextMenu.MJContextMenu}},c={};function u(t){var e=c[t];if(void 0!==e)return e.exports;var o=c[t]={exports:{}};return l[t].call(o.exports,o,o.exports,u),o.exports}t=u(723),e=u(306),o=u(18),r=u(724),n=u(269),i=u(85),a=u(367),s=u(854),MathJax.loader&&MathJax.loader.checkVersion("a11y/explorer",e.q,"a11y"),(0,t.r8)({_:{a11y:{explorer_ts:o,explorer:{Explorer:r,KeyExplorer:n,MouseExplorer:i,Region:a,TreeExplorer:s}}}}),MathJax.startup&&MathJax.startup.extendHandler((function(t){return(0,o.ExplorerHandler)(t)}))}();
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