2 lines
285 KiB
JavaScript
2 lines
285 KiB
JavaScript
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var ve={exports:{}},Se;function ke(){return Se||(Se=1,(function(se,le){(function(Y,V){se.exports=V()})(globalThis,(()=>(()=>{var Y={4567:function(T,r,o){var c=this&&this.__decorate||function(s,t,i,l){var _,p=arguments.length,m=p<3?t:l===null?l=Object.getOwnPropertyDescriptor(t,i):l;if(typeof Reflect=="object"&&typeof Reflect.decorate=="function")m=Reflect.decorate(s,t,i,l);else for(var a=s.length-1;a>=0;a--)(_=s[a])&&(m=(p<3?_(m):p>3?_(t,i,m):_(t,i))||m);return p>3&&m&&Object.defineProperty(t,i,m),m},f=this&&this.__param||function(s,t){return function(i,l){t(i,l,s)}};Object.defineProperty(r,"__esModule",{value:!0}),r.AccessibilityManager=void 0;const n=o(9042),d=o(9924),u=o(844),v=o(4725),h=o(2585);let e=r.AccessibilityManager=class extends u.Disposable{constructor(s,t,i,l){super(),this._terminal=s,this._coreBrowserService=i,this._renderService=l,this._liveRegionLineCount=0,this._charsToConsume=[],this._charsToAnnounce="",this._accessibilityContainer=this._coreBrowserService.mainDocument.createElement("div"),this._accessibilityContainer.classList.add("xterm-accessibility"),this._rowContainer=this._coreBrowserService.mainDocument.createElement("div"),this._rowContainer.setAttribute("role","list"),this._rowContainer.classList.add("xterm-accessibility-tree"),this._rowElements=[];for(let _=0;_<this._terminal.rows;_++)this._rowElements[_]=this._createAccessibilityTreeNode(),this._rowContainer.appendChild(this._rowElements[_]);if(this._topBoundaryFocusListener=_=>this._handleBoundaryFocus(_,0),this._bottomBoundaryFocusListener=_=>this._handleBoundaryFocus(_,1),this._rowElements[0].addEventListener("focus",this._topBoundaryFocusListener),this._rowElements[this._rowElements.length-1].addEventListener("focus",this._bottomBoundaryFocusListener),this._refreshRowsDimensions(),this._accessibilityContainer.appendChild(this._rowContainer),this._liveRegion=this._coreBrowserService.mainDocument.createElement("div"),this._liveRegion.classList.add("live-region"),this._liveRegion.setAttribute("aria-live","assertive"),this._accessibilityContainer.appendChild(this._liveRegion),this._liveRegionDebouncer=this.register(new d.TimeBasedDebouncer(this._renderRows.bind(this))),!this._terminal.element)throw new Error("Cannot enable accessibility before Terminal.open");this._terminal.element.insertAdjacentElement("afterbegin",this._accessibilityContainer),this.register(this._terminal.onResize((_=>this._handleResize(_.rows)))),this.register(this._terminal.onRender((_=>this._refreshRows(_.start,_.end)))),this.register(this._terminal.onScroll((()=>this._refreshRows()))),this.register(this._terminal.onA11yChar((_=>this._handleChar(_)))),this.register(this._terminal.onLineFeed((()=>this._handleChar("\n")))),this.register(this._terminal.onA11yTab((_=>this._handleTab(_)))),this.register(this._terminal.onKey((_=>this._handleKey(_.key)))),this.register(this._terminal.onBlur((()=>this._clearLiveRegion()))),this.register(this._renderService.onDimensionsChange((()=>this._refreshRowsDimensions()))),this.register(this._coreBrowserService.onDprChange((()=>this._refreshRowsDimensions()))),this._refreshRows(),this.register((0,u.toDisposable)((()=>{this._accessibilityContainer.remove(),this._rowElements.length=0})))}_handleTab(s){for(let t=0;t<s;t++)this._handleChar(" ")}_handleChar(s){this._liveRegionLineCount<21&&(this._charsToConsume.length>0?this._charsToConsume.shift()!==s&&(this._charsToAnnounce+=s):this._charsToAnnounce+=s,s==="\n"&&(this._liveRegionLineCount++,this._liveRegionLineCount===21&&(this._liveRegion.textContent+=n.tooMuchOutput)))}_clearLiveRegion(){this._liveRegion.textContent="",this._liveRegionLineCount=0}_handleKey(s){this._clearLiveRegion(),new RegExp("\\p{Control}","u").test(s)||this._charsToConsume.push(s)}_refreshRows(s,t){this._liveRegionDebouncer.refresh(s,t,this._terminal.rows)}_renderRows(s,t){const i=this._terminal.buffer,l=i.lines.length.toString();for(let _=s;_<=t;_++){const p=i.translateBufferLineToString(i.ydisp+_,!0),m=(i.ydisp+_+1).toString(),a=this._rowElements[_];a&&(p.length===0?a.innerText=" ":a.textContent=p,a.setAttribute("a
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