guochanpingtai/.local-browser/linux-722234/chrome-linux/resources/inspector/css_overview/CSSOverviewPanel.js

export class CSSOverviewPanel extends UI.Panel{constructor(){super('css_overview');this.registerRequiredCSS('css_overview/cssOverview.css');this.element.classList.add('css-overview-panel');const[model]=SDK.targetManager.models(CssOverview.CSSOverviewModel);this._model=model;this._controller=new CssOverview.OverviewController();this._startView=new CssOverview.CSSOverviewStartView(this._controller);this._processingView=new CssOverview.CSSOverviewProcessingView(this._controller);this._completedView=new CssOverview.CSSOverviewCompletedView(this._controller,model.target());this._controller.addEventListener(CssOverview.Events.RequestOverviewStart,this._startOverview,this);this._controller.addEventListener(CssOverview.Events.RequestOverviewCancel,this._cancelOverview,this);this._controller.addEventListener(CssOverview.Events.OverviewCompleted,this._overviewCompleted,this);this._controller.addEventListener(CssOverview.Events.Reset,this._reset,this);this._controller.addEventListener(CssOverview.Events.RequestNodeHighlight,this._requestNodeHighlight,this);this._reset();}
_reset(){this._backgroundColors=new Map();this._textColors=new Map();this._fillColors=new Map();this._borderColors=new Map();this._fontInfo=new Map();this._mediaQueries=[];this._unusedDeclarations=new Map();this._elementCount=0;this._cancelled=false;this._globalStyleStats={styleRules:0,inlineStyles:0,externalSheets:0,stats:{type:0,class:0,id:0,universal:0,attribute:0,nonSimple:0}};this._renderInitialView();}
_requestNodeHighlight(evt){this._model.highlightNode(evt.data);}
_renderInitialView(){this._processingView.hideWidget();this._completedView.hideWidget();this._startView.show(this.contentElement);}
_renderOverviewStartedView(){this._startView.hideWidget();this._completedView.hideWidget();this._processingView.show(this.contentElement);}
_renderOverviewCompletedView(){this._startView.hideWidget();this._processingView.hideWidget();this._completedView.show(this.contentElement);this._completedView.setOverviewData({backgroundColors:this._backgroundColors,textColors:this._textColors,fillColors:this._fillColors,borderColors:this._borderColors,globalStyleStats:this._globalStyleStats,fontInfo:this._fontInfo,elementCount:this._elementCount,mediaQueries:this._mediaQueries,unusedDeclarations:this._unusedDeclarations,});}
async _startOverview(){this._renderOverviewStartedView();const[globalStyleStats,{elementCount,backgroundColors,textColors,fillColors,borderColors,fontInfo,unusedDeclarations},mediaQueries]=await Promise.all([this._model.getGlobalStylesheetStats(),this._model.getNodeStyleStats(),this._model.getMediaQueries()]);if(elementCount){this._elementCount=elementCount;}
if(globalStyleStats){this._globalStyleStats=globalStyleStats;}
if(mediaQueries){this._mediaQueries=mediaQueries;}
if(backgroundColors){this._backgroundColors=backgroundColors;}
if(textColors){this._textColors=textColors;}
if(fillColors){this._fillColors=fillColors;}
if(borderColors){this._borderColors=borderColors;}
if(fontInfo){this._fontInfo=fontInfo;}
if(unusedDeclarations){this._unusedDeclarations=unusedDeclarations;}
this._controller.dispatchEventToListeners(CssOverview.Events.OverviewCompleted);}
_getStyleValue(styles,name){const item=styles.filter(style=>style.name===name);if(!item.length){return;}
return item[0].value;}
_cancelOverview(){this._cancelled=true;}
_overviewCompleted(){this._renderOverviewCompletedView();}}
self.CssOverview=self.CssOverview||{};CssOverview=CssOverview||{};CssOverview.CSSOverviewPanel=CSSOverviewPanel;