!(function(a){"object"==typeof exports&&"object"==typeof module?a(require("../../lib/codemirror")):"function"==typeof define&&define.amd?define(["../../lib/codemirror"],a):a(CodeMirror)})((function(a){"use strict";function b(a,b){function c(a){clearTimeout(d.doRedraw),d.doRedraw=setTimeout((function(){d.redraw()}),a)}this.cm=a,this.options=b,this.buttonHeight=b.scrollButtonHeight||a.getOption("scrollButtonHeight"),this.annotations=[],this.doRedraw=this.doUpdate=null,this.div=a.getWrapperElement().appendChild(document.createElement("div")),this.div.style.cssText="position: absolute; right: 0; top: 0; z-index: 7; pointer-events: none",this.computeScale();var d=this;a.on("refresh",this.resizeHandler=function(){clearTimeout(d.doUpdate),d.doUpdate=setTimeout((function(){d.computeScale()&&c(20)}),100)}),a.on("markerAdded",this.resizeHandler),a.on("markerCleared",this.resizeHandler),b.listenForChanges!==!1&&a.on("change",this.changeHandler=function(){c(250)})}a.defineExtension("annotateScrollbar",(function(a){return"string"==typeof a&&(a={className:a}),new b(this,a)})),a.defineOption("scrollButtonHeight",0),b.prototype.computeScale=function(){var a=this.cm,b=(a.getWrapperElement().clientHeight-a.display.barHeight-2*this.buttonHeight)/a.getScrollerElement().scrollHeight;if(b!=this.hScale)return this.hScale=b,!0},b.prototype.update=function(a){this.annotations=a,this.redraw()},b.prototype.redraw=function(a){function b(a,b){if(i!=a.line&&(i=a.line,j=c.getLineHandle(i)),j.widgets&&j.widgets.length||g&&j.height>h)return c.charCoords(a,"local")[b?"top":"bottom"];var d=c.heightAtLine(j,"local");return d+(b?0:j.height)}a!==!1&&this.computeScale();var c=this.cm,d=this.hScale,e=document.createDocumentFragment(),f=this.annotations,g=c.getOption("lineWrapping"),h=g&&1.5*c.defaultTextHeight(),i=null,j=null,k=c.lastLine();if(c.display.barWidth)for(var l,m=0;m<f.length;m++){var n=f[m];if(!(n.to.line>k)){for(var o=l||b(n.from,!0)*d,p=b(n.to,!1)*d;m<f.length-1&&!(f[m+1].to.line>k)&&(l=b(f[m+1].from,!0)*d,!(l>p+.9));)n=f[++m],p=b(n.to,!1)*d;if(p!=o){var q=Math.max(p-o,3),r=e.appendChild(document.createElement("div"));r.style.cssText="position: absolute; right: 0px; width: "+Math.max(c.display.barWidth-1,2)+"px; top: "+(o+this.buttonHeight)+"px; height: "+q+"px",r.className=this.options.className,n.id&&r.setAttribute("annotation-id",n.id)}}}this.div.textContent="",this.div.appendChild(e)},b.prototype.clear=function(){this.cm.off("refresh",this.resizeHandler),this.cm.off("markerAdded",this.resizeHandler),this.cm.off("markerCleared",this.resizeHandler),this.changeHandler&&this.cm.off("change",this.changeHandler),this.div.parentNode.removeChild(this.div)}}));