zhuyujia-webhopper/collector/adg-linux/gen/devtools/timeline/timeline_module.js

Timeline.CountersGraph=class extends UI.VBox{constructor(delegate){super();this.element.id='memory-graphs-container';this._delegate=delegate;this._calculator=new Timeline.CountersGraph.Calculator();this._header=new UI.HBox();this._header.element.classList.add('timeline-memory-header');this._header.show(this.element);this._toolbar=new UI.Toolbar('timeline-memory-toolbar');this._header.element.appendChild(this._toolbar.element);this._graphsContainer=new UI.VBox();this._graphsContainer.show(this.element);const canvasWidget=new UI.VBoxWithResizeCallback(this._resize.bind(this));canvasWidget.show(this._graphsContainer.element);this._createCurrentValuesBar();this._canvasContainer=canvasWidget.element;this._canvasContainer.id='memory-graphs-canvas-container';this._canvas=this._canvasContainer.createChild('canvas');this._canvas.id='memory-counters-graph';this._canvasContainer.addEventListener('mouseover',this._onMouseMove.bind(this),true);this._canvasContainer.addEventListener('mousemove',this._onMouseMove.bind(this),true);this._canvasContainer.addEventListener('mouseleave',this._onMouseLeave.bind(this),true);this._canvasContainer.addEventListener('click',this._onClick.bind(this),true);this._timelineGrid=new PerfUI.TimelineGrid();this._canvasContainer.appendChild(this._timelineGrid.dividersElement);this._counters=[];this._counterUI=[];this._countersByName={};this._countersByName['jsHeapSizeUsed']=this._createCounter(Common.UIString('JS Heap'),Common.UIString('JS Heap: %s'),'hsl(220, 90%, 43%)',Number.bytesToString);this._countersByName['documents']=this._createCounter(Common.UIString('Documents'),Common.UIString('Documents: %s'),'hsl(0, 90%, 43%)');this._countersByName['nodes']=this._createCounter(Common.UIString('Nodes'),Common.UIString('Nodes: %s'),'hsl(120, 90%, 43%)');this._countersByName['jsEventListeners']=this._createCounter(Common.UIString('Listeners'),Common.UIString('Listeners: %s'),'hsl(38, 90%, 43%)');this._gpuMemoryCounter=this._createCounter(Common.UIString('GPU Memory'),Common.UIString('GPU Memory [KB]: %s'),'hsl(300, 90%, 43%)',Number.bytesToString);this._countersByName['gpuMemoryUsedKB']=this._gpuMemoryCounter;}
setModel(model,track){if(this._model)
this._model.removeEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onWindowChanged,this);this._model=model;if(this._model)
this._model.addEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onWindowChanged,this);this._calculator.setZeroTime(model?model.timelineModel().minimumRecordTime():0);for(let i=0;i<this._counters.length;++i){this._counters[i].reset();this._counterUI[i].reset();}
this.scheduleRefresh();this._track=track;if(!track)
return;const events=track.syncEvents();for(let i=0;i<events.length;++i){const event=events[i];if(event.name!==TimelineModel.TimelineModel.RecordType.UpdateCounters)
continue;const counters=event.args.data;if(!counters)
return;for(const name in counters){const counter=this._countersByName[name];if(counter)
counter.appendSample(event.startTime,counters[name]);}
const gpuMemoryLimitCounterName='gpuMemoryLimitKB';if(gpuMemoryLimitCounterName in counters)
this._gpuMemoryCounter.setLimit(counters[gpuMemoryLimitCounterName]);}}
_createCurrentValuesBar(){this._currentValuesBar=this._graphsContainer.element.createChild('div');this._currentValuesBar.id='counter-values-bar';}
_createCounter(uiName,uiValueTemplate,color,formatter){const counter=new Timeline.CountersGraph.Counter();this._counters.push(counter);this._counterUI.push(new Timeline.CountersGraph.CounterUI(this,uiName,uiValueTemplate,color,counter,formatter));return counter;}
resizerElement(){return this._header.element;}
_resize(){const parentElement=this._canvas.parentElement;this._canvas.width=parentElement.clientWidth*window.devicePixelRatio;this._canvas.height=parentElement.clientHeight*window.devicePixelRatio;this._calculator.setDisplayWidth(this._canvas.width);this.refresh();}
_onWindowChanged(event){const window=(event.data.window);this._calculator.setWindow(window.left,window.right);this.scheduleRefresh();}
scheduleRefresh(){UI.invokeOnceAfterBatchUpdate(this,this.refresh);}
draw(){this._clear();for(const counter of this._counters){counter._calculateVisibleIndexes(this._calculator);counter._calculateXValues(this._canvas.width);}
for(const counterUI of this._counterUI)
counterUI._drawGraph(this._canvas);}
_onClick(event){const x=event.x-this._canvasContainer.totalOffsetLeft();let minDistance=Infinity;let bestTime;for(const counterUI of this._counterUI){if(!counterUI.counter.times.length)
continue;const index=counterUI._recordIndexAt(x);const distance=Math.abs(x*window.devicePixelRatio-counterUI.counter.x[index]);if(distance<minDistance){minDistance=distance;bestTime=counterUI.counter.times[index];}}
if(bestTime!==undefined){this._delegate.selectEntryAtTime(this._track.events.length?this._track.events:this._track.asyncEvents,bestTime);}}
_onMouseLeave(event){delete this._markerXPosition;this._clearCurrentValueAndMarker();}
_clearCurrentValueAndMarker(){for(let i=0;i<this._counterUI.length;i++)
this._counterUI[i]._clearCurrentValueAndMarker();}
_onMouseMove(event){const x=event.x-this._canvasContainer.totalOffsetLeft();this._markerXPosition=x;this._refreshCurrentValues();}
_refreshCurrentValues(){if(this._markerXPosition===undefined)
return;for(let i=0;i<this._counterUI.length;++i)
this._counterUI[i].updateCurrentValue(this._markerXPosition);}
refresh(){this._timelineGrid.updateDividers(this._calculator);this.draw();this._refreshCurrentValues();}
_clear(){const ctx=this._canvas.getContext('2d');ctx.clearRect(0,0,ctx.canvas.width,ctx.canvas.height);}};Timeline.CountersGraph.Counter=class{constructor(){this.times=[];this.values=[];}
appendSample(time,value){if(this.values.length&&this.values.peekLast()===value)
return;this.times.push(time);this.values.push(value);}
reset(){this.times=[];this.values=[];}
setLimit(value){this._limitValue=value;}
_calculateBounds(){let maxValue;let minValue;for(let i=this._minimumIndex;i<=this._maximumIndex;i++){const value=this.values[i];if(minValue===undefined||value<minValue)
minValue=value;if(maxValue===undefined||value>maxValue)
maxValue=value;}
minValue=minValue||0;maxValue=maxValue||1;if(this._limitValue){if(maxValue>this._limitValue*0.5)
maxValue=Math.max(maxValue,this._limitValue);minValue=Math.min(minValue,this._limitValue);}
return{min:minValue,max:maxValue};}
_calculateVisibleIndexes(calculator){const start=calculator.minimumBoundary();const end=calculator.maximumBoundary();this._minimumIndex=Number.constrain(this.times.upperBound(start)-1,0,this.times.length-1);this._maximumIndex=Number.constrain(this.times.lowerBound(end),0,this.times.length-1);this._minTime=start;this._maxTime=end;}
_calculateXValues(width){if(!this.values.length)
return;const xFactor=width/(this._maxTime-this._minTime);this.x=new Array(this.values.length);for(let i=this._minimumIndex+1;i<=this._maximumIndex;i++)
this.x[i]=xFactor*(this.times[i]-this._minTime);}};Timeline.CountersGraph.CounterUI=class{constructor(countersPane,title,currentValueLabel,graphColor,counter,formatter){this._countersPane=countersPane;this.counter=counter;this._formatter=formatter||Number.withThousandsSeparator;this._setting=Common.settings.createSetting('timelineCountersGraph-'+title,true);this._setting.setTitle(title);this._filter=new UI.ToolbarSettingCheckbox(this._setting,title);this._filter.inputElement.classList.add('-theme-preserve');const color=Common.Color.parse(graphColor).setAlpha(0.5).asString(Common.Color.Format.RGBA);if(color){this._filter.element.backgroundColor=color;this._filter.element.borderColor='transparent';}
this._filter.inputElement.addEventListener('click',this._toggleCounterGraph.bind(this));countersPane._toolbar.appendToolbarItem(this._filter);this._range=this._filter.element.createChild('span','range');this._value=countersPane._currentValuesBar.createChild('span','memory-counter-value');this._value.style.color=graphColor;this.graphColor=graphColor;this.limitColor=Common.Color.parse(graphColor).setAlpha(0.3).asString(Common.Color.Format.RGBA);this.graphYValues=[];this._verticalPadding=10;this._currentValueLabel=currentValueLabel;this._marker=countersPane._canvasContainer.createChild('div','memory-counter-marker');this._marker.style.backgroundColor=graphColor;this._clearCurrentValueAndMarker();}
reset(){this._range.textContent='';}
setRange(minValue,maxValue){const min=this._formatter(minValue);const max=this._formatter(maxValue);this._range.textContent=Common.UIString('[%s\xa0\u2013\xa0%s]',min,max);}
_toggleCounterGraph(event){this._value.classList.toggle('hidden',!this._filter.checked());this._countersPane.refresh();}
_recordIndexAt(x){return this.counter.x.upperBound(x*window.devicePixelRatio,null,this.counter._minimumIndex+1,this.counter._maximumIndex+1)-
1;}
updateCurrentValue(x){if(!this.visible()||!this.counter.values.length||!this.counter.x)
return;const index=this._recordIndexAt(x);const value=Number.withThousandsSeparator(this.counter.values[index]);this._value.textContent=Common.UIString(this._currentValueLabel,value);const y=this.graphYValues[index]/window.devicePixelRatio;this._marker.style.left=x+'px';this._marker.style.top=y+'px';this._marker.classList.remove('hidden');}
_clearCurrentValueAndMarker(){this._value.textContent='';this._marker.classList.add('hidden');}
_drawGraph(canvas){const ctx=canvas.getContext('2d');const width=canvas.width;const height=canvas.height-2*this._verticalPadding;if(height<=0){this.graphYValues=[];return;}
const originY=this._verticalPadding;const counter=this.counter;const values=counter.values;if(!values.length)
return;const bounds=counter._calculateBounds();const minValue=bounds.min;const maxValue=bounds.max;this.setRange(minValue,maxValue);if(!this.visible())
return;const yValues=this.graphYValues;const maxYRange=maxValue-minValue;const yFactor=maxYRange?height/(maxYRange):1;ctx.save();ctx.lineWidth=window.devicePixelRatio;if(ctx.lineWidth%2)
ctx.translate(0.5,0.5);ctx.beginPath();let value=values[counter._minimumIndex];let currentY=Math.round(originY+height-(value-minValue)*yFactor);ctx.moveTo(0,currentY);let i=counter._minimumIndex;for(;i<=counter._maximumIndex;i++){const x=Math.round(counter.x[i]);ctx.lineTo(x,currentY);const currentValue=values[i];if(typeof currentValue!=='undefined')
value=currentValue;currentY=Math.round(originY+height-(value-minValue)*yFactor);ctx.lineTo(x,currentY);yValues[i]=currentY;}
yValues.length=i;ctx.lineTo(width,currentY);ctx.strokeStyle=this.graphColor;ctx.stroke();if(counter._limitValue){const limitLineY=Math.round(originY+height-(counter._limitValue-minValue)*yFactor);ctx.moveTo(0,limitLineY);ctx.lineTo(width,limitLineY);ctx.strokeStyle=this.limitColor;ctx.stroke();}
ctx.closePath();ctx.restore();}
visible(){return this._filter.checked();}};Timeline.CountersGraph.Calculator=class{setZeroTime(time){this._zeroTime=time;}
computePosition(time){return(time-this._minimumBoundary)/this.boundarySpan()*this._workingArea;}
setWindow(minimumBoundary,maximumBoundary){this._minimumBoundary=minimumBoundary;this._maximumBoundary=maximumBoundary;}
setDisplayWidth(clientWidth){this._workingArea=clientWidth;}
formatValue(value,precision){return Number.preciseMillisToString(value-this.zeroTime(),precision);}
maximumBoundary(){return this._maximumBoundary;}
minimumBoundary(){return this._minimumBoundary;}
zeroTime(){return this._zeroTime;}
boundarySpan(){return this._maximumBoundary-this._minimumBoundary;}};;Timeline.ExtensionTracingSession=class{constructor(provider,performanceModel){this._provider=provider;this._performanceModel=performanceModel;this._completionCallback;this._completionPromise=new Promise(fulfill=>{this._completionCallback=fulfill;});this._timeOffset=0;}
loadingStarted(){}
processingStarted(){}
loadingProgress(progress){}
loadingComplete(tracingModel){if(!tracingModel)
return;this._performanceModel.addExtensionEvents(this._provider.longDisplayName(),tracingModel,this._timeOffset);this._completionCallback();}
complete(url,timeOffsetMicroseconds){if(!url){this._completionCallback();return;}
this._timeOffset=timeOffsetMicroseconds;Timeline.TimelineLoader.loadFromURL(url,this);}
start(){this._provider.start(this);}
stop(){this._provider.stop();return this._completionPromise;}};;Timeline.PerformanceModel=class extends Common.Object{constructor(){super();this._mainTarget=null;this._tracingModel=null;this._filters=[];this._timelineModel=new TimelineModel.TimelineModel();this._frameModel=new TimelineModel.TimelineFrameModel(event=>Timeline.TimelineUIUtils.eventStyle(event).category.name);this._filmStripModel=null;this._irModel=new TimelineModel.TimelineIRModel();this._window={left:0,right:Infinity};this._extensionTracingModels=[];this._recordStartTime=undefined;}
setMainTarget(target){this._mainTarget=target;}
setRecordStartTime(time){this._recordStartTime=time;}
recordStartTime(){return this._recordStartTime;}
setFilters(filters){this._filters=filters;}
filters(){return this._filters;}
isVisible(event){return this._filters.every(f=>f.accept(event));}
setTracingModel(model){this._tracingModel=model;this._timelineModel.setEvents(model);let inputEvents=null;let animationEvents=null;for(const track of this._timelineModel.tracks()){if(track.type===TimelineModel.TimelineModel.TrackType.Input)
inputEvents=track.asyncEvents;if(track.type===TimelineModel.TimelineModel.TrackType.Animation)
animationEvents=track.asyncEvents;}
if(inputEvents||animationEvents)
this._irModel.populate(inputEvents||[],animationEvents||[]);const mainTracks=this._timelineModel.tracks().filter(track=>track.type===TimelineModel.TimelineModel.TrackType.MainThread&&track.forMainFrame&&track.events.length);const threadData=mainTracks.map(track=>{const event=track.events[0];return{thread:event.thread,time:event.startTime};});this._frameModel.addTraceEvents(this._mainTarget,this._timelineModel.inspectedTargetEvents(),threadData);for(const entry of this._extensionTracingModels){entry.model.adjustTime(this._tracingModel.minimumRecordTime()+(entry.timeOffset/1000)-this._recordStartTime);}
this._autoWindowTimes();}
addExtensionEvents(title,model,timeOffset){this._extensionTracingModels.push({model:model,title:title,timeOffset:timeOffset});if(!this._tracingModel)
return;model.adjustTime(this._tracingModel.minimumRecordTime()+(timeOffset/1000)-this._recordStartTime);this.dispatchEventToListeners(Timeline.PerformanceModel.Events.ExtensionDataAdded);}
tracingModel(){if(!this._tracingModel)
throw'call setTracingModel before accessing PerformanceModel';return this._tracingModel;}
timelineModel(){return this._timelineModel;}
filmStripModel(){if(this._filmStripModel)
return this._filmStripModel;if(!this._tracingModel)
throw'call setTracingModel before accessing PerformanceModel';this._filmStripModel=new SDK.FilmStripModel(this._tracingModel);return this._filmStripModel;}
frames(){return this._frameModel.frames();}
frameModel(){return this._frameModel;}
interactionRecords(){return this._irModel.interactionRecords();}
extensionInfo(){return this._extensionTracingModels;}
dispose(){if(this._tracingModel)
this._tracingModel.dispose();for(const extensionEntry of this._extensionTracingModels)
extensionEntry.model.dispose();}
filmStripModelFrame(frame){const screenshotTime=frame.idle?frame.startTime:frame.endTime;const filmStripFrame=this._filmStripModel.frameByTimestamp(screenshotTime);return filmStripFrame&&filmStripFrame.timestamp-frame.endTime<10?filmStripFrame:null;}
save(stream){const backingStorage=(this._tracingModel.backingStorage());return backingStorage.writeToStream(stream);}
setWindow(window,animate){this._window=window;this.dispatchEventToListeners(Timeline.PerformanceModel.Events.WindowChanged,{window,animate});}
window(){return this._window;}
_autoWindowTimes(){const timelineModel=this._timelineModel;let tasks=[];for(const track of timelineModel.tracks()){if(track.type===TimelineModel.TimelineModel.TrackType.MainThread&&track.forMainFrame)
tasks=track.tasks;}
if(!tasks.length){this.setWindow({left:timelineModel.minimumRecordTime(),right:timelineModel.maximumRecordTime()});return;}
function findLowUtilizationRegion(startIndex,stopIndex){const threshold=0.1;let cutIndex=startIndex;let cutTime=(tasks[cutIndex].startTime+tasks[cutIndex].endTime)/2;let usedTime=0;const step=Math.sign(stopIndex-startIndex);for(let i=startIndex;i!==stopIndex;i+=step){const task=tasks[i];const taskTime=(task.startTime+task.endTime)/2;const interval=Math.abs(cutTime-taskTime);if(usedTime<threshold*interval){cutIndex=i;cutTime=taskTime;usedTime=0;}
usedTime+=task.duration;}
return cutIndex;}
const rightIndex=findLowUtilizationRegion(tasks.length-1,0);const leftIndex=findLowUtilizationRegion(0,rightIndex);let leftTime=tasks[leftIndex].startTime;let rightTime=tasks[rightIndex].endTime;const span=rightTime-leftTime;const totalSpan=timelineModel.maximumRecordTime()-timelineModel.minimumRecordTime();if(span<totalSpan*0.1){leftTime=timelineModel.minimumRecordTime();rightTime=timelineModel.maximumRecordTime();}else{leftTime=Math.max(leftTime-0.05*span,timelineModel.minimumRecordTime());rightTime=Math.min(rightTime+0.05*span,timelineModel.maximumRecordTime());}
this.setWindow({left:leftTime,right:rightTime});}};Timeline.PerformanceModel.Events={ExtensionDataAdded:Symbol('ExtensionDataAdded'),WindowChanged:Symbol('WindowChanged')};Timeline.PerformanceModel.Window;;Timeline.TimelineController=class{constructor(target,client){this._tracingManager=target.model(SDK.TracingManager);this._performanceModel=new Timeline.PerformanceModel();this._performanceModel.setMainTarget(target);this._client=client;const backingStorage=new Bindings.TempFileBackingStorage();this._tracingModel=new SDK.TracingModel(backingStorage);this._extensionSessions=[];SDK.targetManager.observeModels(SDK.CPUProfilerModel,this);}
mainTarget(){return this._tracingManager.target();}
startRecording(options,providers){this._extensionTraceProviders=Extensions.extensionServer.traceProviders().slice();function disabledByDefault(category){return'disabled-by-default-'+category;}
const categoriesArray=['-*','devtools.timeline','v8.execute',disabledByDefault('devtools.timeline'),disabledByDefault('devtools.timeline.frame'),SDK.TracingModel.TopLevelEventCategory,TimelineModel.TimelineModel.Category.Console,TimelineModel.TimelineModel.Category.UserTiming];categoriesArray.push(TimelineModel.TimelineModel.Category.LatencyInfo);if(Runtime.experiments.isEnabled('timelineFlowEvents'))
categoriesArray.push('devtools.timeline.async');if(Runtime.experiments.isEnabled('timelineV8RuntimeCallStats')&&options.enableJSSampling)
categoriesArray.push(disabledByDefault('v8.runtime_stats_sampling'));if(Runtime.experiments.isEnabled('timelineTracingJSProfile')&&options.enableJSSampling){categoriesArray.push(disabledByDefault('v8.cpu_profiler'));if(Common.moduleSetting('highResolutionCpuProfiling').get())
categoriesArray.push(disabledByDefault('v8.cpu_profiler.hires'));}
categoriesArray.push(disabledByDefault('devtools.timeline.stack'));if(Runtime.experiments.isEnabled('timelineInvalidationTracking'))
categoriesArray.push(disabledByDefault('devtools.timeline.invalidationTracking'));if(options.capturePictures){categoriesArray.push(disabledByDefault('devtools.timeline.layers'),disabledByDefault('devtools.timeline.picture'),disabledByDefault('blink.graphics_context_annotations'));}
if(options.captureFilmStrip)
categoriesArray.push(disabledByDefault('devtools.screenshot'));this._extensionSessions=providers.map(provider=>new Timeline.ExtensionTracingSession(provider,this._performanceModel));this._extensionSessions.forEach(session=>session.start());const startPromise=this._startRecordingWithCategories(categoriesArray.join(','),options.enableJSSampling);this._performanceModel.setRecordStartTime(Date.now());return startPromise;}
async stopRecording(){const tracingStoppedPromises=[];tracingStoppedPromises.push(new Promise(resolve=>this._tracingCompleteCallback=resolve));tracingStoppedPromises.push(this._stopProfilingOnAllModels());this._tracingManager.stop();tracingStoppedPromises.push(SDK.targetManager.resumeAllTargets());this._client.loadingStarted();const extensionCompletionPromises=this._extensionSessions.map(session=>session.stop());if(extensionCompletionPromises.length){tracingStoppedPromises.push(Promise.race([Promise.all(extensionCompletionPromises),new Promise(r=>setTimeout(r,5000))]));}
await Promise.all(tracingStoppedPromises);this._allSourcesFinished();return this._performanceModel;}
modelAdded(cpuProfilerModel){if(this._profiling)
cpuProfilerModel.startRecording();}
modelRemoved(cpuProfilerModel){}
_startProfilingOnAllModels(){this._profiling=true;const models=SDK.targetManager.models(SDK.CPUProfilerModel);return Promise.all(models.map(model=>model.startRecording()));}
_addCpuProfile(targetId,cpuProfile){if(!cpuProfile){Common.console.warn(Common.UIString('CPU profile for a target is not available.'));return;}
if(!this._cpuProfiles)
this._cpuProfiles=new Map();this._cpuProfiles.set(targetId,cpuProfile);}
_stopProfilingOnAllModels(){const models=this._profiling?SDK.targetManager.models(SDK.CPUProfilerModel):[];this._profiling=false;const promises=[];for(const model of models){const targetId=model.target().id();const modelPromise=model.stopRecording().then(this._addCpuProfile.bind(this,targetId));promises.push(modelPromise);}
return Promise.all(promises);}
_startRecordingWithCategories(categories,enableJSSampling){SDK.targetManager.suspendAllTargets();const profilingStartedPromise=enableJSSampling&&!Runtime.experiments.isEnabled('timelineTracingJSProfile')?this._startProfilingOnAllModels():Promise.resolve();const samplingFrequencyHz=Common.moduleSetting('highResolutionCpuProfiling').get()?10000:1000;const options='sampling-frequency='+samplingFrequencyHz;return profilingStartedPromise.then(()=>this._tracingManager.start(this,categories,options));}
traceEventsCollected(events){this._tracingModel.addEvents(events);}
tracingComplete(){this._tracingCompleteCallback();this._tracingCompleteCallback=null;}
_allSourcesFinished(){this._client.processingStarted();setTimeout(()=>this._finalizeTrace(),0);}
_finalizeTrace(){this._injectCpuProfileEvents();this._tracingModel.tracingComplete();this._client.loadingComplete(this._tracingModel);}
_injectCpuProfileEvent(pid,tid,cpuProfile){if(!cpuProfile)
return;const cpuProfileEvent=({cat:SDK.TracingModel.DevToolsMetadataEventCategory,ph:SDK.TracingModel.Phase.Instant,ts:this._tracingModel.maximumRecordTime()*1000,pid:pid,tid:tid,name:TimelineModel.TimelineModel.RecordType.CpuProfile,args:{data:{cpuProfile:cpuProfile}}});this._tracingModel.addEvents([cpuProfileEvent]);}
_injectCpuProfileEvents(){if(!this._cpuProfiles)
return;const metadataEventTypes=TimelineModel.TimelineModel.DevToolsMetadataEvent;const metadataEvents=this._tracingModel.devToolsMetadataEvents();const mainMetaEvent=metadataEvents.filter(event=>event.name===metadataEventTypes.TracingStartedInPage).peekLast();if(!mainMetaEvent)
return;const pid=mainMetaEvent.thread.process().id();const mainCpuProfile=this._cpuProfiles.get(this._tracingManager.target().id());this._injectCpuProfileEvent(pid,mainMetaEvent.thread.id(),mainCpuProfile);const workerMetaEvents=metadataEvents.filter(event=>event.name===metadataEventTypes.TracingSessionIdForWorker);for(const metaEvent of workerMetaEvents){const workerId=metaEvent.args['data']['workerId'];const cpuProfile=this._cpuProfiles.get(workerId);this._injectCpuProfileEvent(metaEvent.thread.process().id(),metaEvent.args['data']['workerThreadId'],cpuProfile);}
this._cpuProfiles=null;}
tracingBufferUsage(usage){this._client.recordingProgress(usage);}
eventsRetrievalProgress(progress){this._client.loadingProgress(progress);}};Timeline.TimelineController.Client=function(){};Timeline.TimelineController.Client.prototype={recordingProgress(usage){},};Timeline.TimelineController.RecordingOptions;;Timeline.TimelineDetailsView=class extends UI.VBox{constructor(delegate){super();this.element.classList.add('timeline-details');this._detailsLinkifier=new Components.Linkifier();this._badgePool=new ProductRegistry.BadgePool();this._badgePool.setShowTitles(true);this._tabbedPane=new UI.TabbedPane();this._tabbedPane.show(this.element);const tabIds=Timeline.TimelineDetailsView.Tab;this._defaultDetailsWidget=new UI.VBox();this._defaultDetailsWidget.element.classList.add('timeline-details-view');this._defaultDetailsContentElement=this._defaultDetailsWidget.element.createChild('div','timeline-details-view-body vbox');this._defaultDetailsContentElement.tabIndex=0;this._appendTab(tabIds.Details,Common.UIString('Summary'),this._defaultDetailsWidget);this.setPreferredTab(tabIds.Details);this._rangeDetailViews=new Map();const bottomUpView=new Timeline.BottomUpTimelineTreeView();this._appendTab(tabIds.BottomUp,Common.UIString('Bottom-Up'),bottomUpView);this._rangeDetailViews.set(tabIds.BottomUp,bottomUpView);const callTreeView=new Timeline.CallTreeTimelineTreeView();this._appendTab(tabIds.CallTree,Common.UIString('Call Tree'),callTreeView);this._rangeDetailViews.set(tabIds.CallTree,callTreeView);const eventsView=new Timeline.EventsTimelineTreeView(delegate);this._appendTab(tabIds.EventLog,Common.UIString('Event Log'),eventsView);this._rangeDetailViews.set(tabIds.EventLog,eventsView);this._tabbedPane.addEventListener(UI.TabbedPane.Events.TabSelected,this._tabSelected,this);}
setModel(model,track){if(this._model)
this._model.removeEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onWindowChanged,this);this._model=model;if(this._model)
this._model.addEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onWindowChanged,this);this._track=track;this._tabbedPane.closeTabs([Timeline.TimelineDetailsView.Tab.PaintProfiler,Timeline.TimelineDetailsView.Tab.LayerViewer],false);for(const view of this._rangeDetailViews.values())
view.setModel(model,track);this._lazyPaintProfilerView=null;this._lazyLayersView=null;this.setSelection(null);}
_setContent(node){const allTabs=this._tabbedPane.otherTabs(Timeline.TimelineDetailsView.Tab.Details);for(let i=0;i<allTabs.length;++i){if(!this._rangeDetailViews.has(allTabs[i]))
this._tabbedPane.closeTab(allTabs[i]);}
this._defaultDetailsContentElement.removeChildren();this._defaultDetailsContentElement.appendChild(node);}
_updateContents(){const view=this._rangeDetailViews.get(this._tabbedPane.selectedTabId||'');if(view){const window=this._model.window();view.updateContents(this._selection||Timeline.TimelineSelection.fromRange(window.left,window.right));}}
_appendTab(id,tabTitle,view,isCloseable){this._tabbedPane.appendTab(id,tabTitle,view,undefined,undefined,isCloseable);if(this._preferredTabId!==this._tabbedPane.selectedTabId)
this._tabbedPane.selectTab(id);}
headerElement(){return this._tabbedPane.headerElement();}
setPreferredTab(tabId){this._preferredTabId=tabId;}
_onWindowChanged(event){if(!this._selection)
this._updateContentsFromWindow();}
_updateContentsFromWindow(){if(!this._model)
return;const window=this._model.window();this._updateSelectedRangeStats(window.left,window.right);this._updateContents();}
setSelection(selection){this._detailsLinkifier.reset();this._badgePool.reset();this._selection=selection;if(!this._selection){this._updateContentsFromWindow();return;}
switch(this._selection.type()){case Timeline.TimelineSelection.Type.TraceEvent:const event=(this._selection.object());Timeline.TimelineUIUtils.buildTraceEventDetails(event,this._model.timelineModel(),this._detailsLinkifier,this._badgePool,true).then(fragment=>this._appendDetailsTabsForTraceEventAndShowDetails(event,fragment));break;case Timeline.TimelineSelection.Type.Frame:const frame=(this._selection.object());const filmStripFrame=this._model.filmStripModelFrame(frame);this._setContent(Timeline.TimelineUIUtils.generateDetailsContentForFrame(frame,filmStripFrame));if(frame.layerTree){const layersView=this._layersView();layersView.showLayerTree(frame.layerTree);if(!this._tabbedPane.hasTab(Timeline.TimelineDetailsView.Tab.LayerViewer))
this._appendTab(Timeline.TimelineDetailsView.Tab.LayerViewer,Common.UIString('Layers'),layersView);}
break;case Timeline.TimelineSelection.Type.NetworkRequest:const request=(this._selection.object());Timeline.TimelineUIUtils.buildNetworkRequestDetails(request,this._model.timelineModel(),this._detailsLinkifier,this._badgePool).then(this._setContent.bind(this));break;case Timeline.TimelineSelection.Type.Range:this._updateSelectedRangeStats(this._selection.startTime(),this._selection.endTime());break;}
this._updateContents();}
_tabSelected(event){if(!event.data.isUserGesture)
return;this.setPreferredTab(event.data.tabId);this._updateContents();}
_layersView(){if(this._lazyLayersView)
return this._lazyLayersView;this._lazyLayersView=new Timeline.TimelineLayersView(this._model.timelineModel(),this._showSnapshotInPaintProfiler.bind(this));return this._lazyLayersView;}
_paintProfilerView(){if(this._lazyPaintProfilerView)
return this._lazyPaintProfilerView;this._lazyPaintProfilerView=new Timeline.TimelinePaintProfilerView(this._model.frameModel());return this._lazyPaintProfilerView;}
_showSnapshotInPaintProfiler(snapshot){const paintProfilerView=this._paintProfilerView();paintProfilerView.setSnapshot(snapshot);if(!this._tabbedPane.hasTab(Timeline.TimelineDetailsView.Tab.PaintProfiler)){this._appendTab(Timeline.TimelineDetailsView.Tab.PaintProfiler,Common.UIString('Paint Profiler'),paintProfilerView,true);}
this._tabbedPane.selectTab(Timeline.TimelineDetailsView.Tab.PaintProfiler,true);}
_appendDetailsTabsForTraceEventAndShowDetails(event,content){this._setContent(content);if(event.name===TimelineModel.TimelineModel.RecordType.Paint||event.name===TimelineModel.TimelineModel.RecordType.RasterTask)
this._showEventInPaintProfiler(event);}
_showEventInPaintProfiler(event){const paintProfilerModel=SDK.targetManager.models(SDK.PaintProfilerModel)[0];if(!paintProfilerModel)
return;const paintProfilerView=this._paintProfilerView();const hasProfileData=paintProfilerView.setEvent(paintProfilerModel,event);if(!hasProfileData)
return;if(this._tabbedPane.hasTab(Timeline.TimelineDetailsView.Tab.PaintProfiler))
return;this._appendTab(Timeline.TimelineDetailsView.Tab.PaintProfiler,Common.UIString('Paint Profiler'),paintProfilerView);}
_updateSelectedRangeStats(startTime,endTime){if(!this._model||!this._track)
return;const aggregatedStats=Timeline.TimelineUIUtils.statsForTimeRange(this._track.syncEvents(),startTime,endTime);const startOffset=startTime-this._model.timelineModel().minimumRecordTime();const endOffset=endTime-this._model.timelineModel().minimumRecordTime();const contentHelper=new Timeline.TimelineDetailsContentHelper(null,null);contentHelper.addSection(ls`Range:  ${Number.millisToString(startOffset)} \u2013 ${Number.millisToString(endOffset)}`);const pieChart=Timeline.TimelineUIUtils.generatePieChart(aggregatedStats);contentHelper.appendElementRow('',pieChart);this._setContent(contentHelper.fragment);}};Timeline.TimelineDetailsView.Tab={Details:'Details',EventLog:'EventLog',CallTree:'CallTree',BottomUp:'BottomUp',PaintProfiler:'PaintProfiler',LayerViewer:'LayerViewer'};;Timeline.TimelineLoader=class{constructor(client){this._client=client;this._backingStorage=new Bindings.TempFileBackingStorage();this._tracingModel=new SDK.TracingModel(this._backingStorage);this._canceledCallback=null;this._state=Timeline.TimelineLoader.State.Initial;this._buffer='';this._firstRawChunk=true;this._firstChunk=true;this._loadedBytes=0;this._totalSize;this._jsonTokenizer=new TextUtils.TextUtils.BalancedJSONTokenizer(this._writeBalancedJSON.bind(this),true);}
static loadFromFile(file,client){const loader=new Timeline.TimelineLoader(client);const fileReader=new Bindings.ChunkedFileReader(file,Timeline.TimelineLoader.TransferChunkLengthBytes);loader._canceledCallback=fileReader.cancel.bind(fileReader);loader._totalSize=file.size;fileReader.read(loader).then(success=>{if(!success)
this._reportErrorAndCancelLoading(fileReader.error().message);});return loader;}
static loadFromEvents(events,client){const loader=new Timeline.TimelineLoader(client);setTimeout(async()=>{const eventsPerChunk=5000;client.loadingStarted();for(let i=0;i<events.length;i+=eventsPerChunk){const chunk=events.slice(i,i+eventsPerChunk);loader._tracingModel.addEvents(chunk);client.loadingProgress((i+chunk.length)/events.length);await new Promise(r=>setTimeout(r));}
loader.close();});return loader;}
static loadFromURL(url,client){const loader=new Timeline.TimelineLoader(client);Host.ResourceLoader.loadAsStream(url,null,loader);return loader;}
cancel(){this._tracingModel=null;this._backingStorage.reset();this._client.loadingComplete(null);this._client=null;if(this._canceledCallback)
this._canceledCallback();}
write(chunk){if(!this._client)
return Promise.resolve();this._loadedBytes+=chunk.length;if(this._firstRawChunk)
this._client.loadingStarted();else
this._client.loadingProgress(this._totalSize?this._loadedBytes/this._totalSize:undefined);this._firstRawChunk=false;if(this._state===Timeline.TimelineLoader.State.Initial){if(chunk.startsWith('{"nodes":[')){this._state=Timeline.TimelineLoader.State.LoadingCPUProfileFormat;}else if(chunk[0]==='{'){this._state=Timeline.TimelineLoader.State.LookingForEvents;}else if(chunk[0]==='['){this._state=Timeline.TimelineLoader.State.ReadingEvents;}else{this._reportErrorAndCancelLoading(Common.UIString('Malformed timeline data: Unknown JSON format'));return Promise.resolve();}}
if(this._state===Timeline.TimelineLoader.State.LoadingCPUProfileFormat){this._buffer+=chunk;return Promise.resolve();}
if(this._state===Timeline.TimelineLoader.State.LookingForEvents){const objectName='"traceEvents":';const startPos=this._buffer.length-objectName.length;this._buffer+=chunk;const pos=this._buffer.indexOf(objectName,startPos);if(pos===-1)
return Promise.resolve();chunk=this._buffer.slice(pos+objectName.length);this._state=Timeline.TimelineLoader.State.ReadingEvents;}
if(this._state!==Timeline.TimelineLoader.State.ReadingEvents)
return Promise.resolve();if(this._jsonTokenizer.write(chunk))
return Promise.resolve();this._state=Timeline.TimelineLoader.State.SkippingTail;if(this._firstChunk)
this._reportErrorAndCancelLoading(Common.UIString('Malformed timeline input, wrong JSON brackets balance'));return Promise.resolve();}
_writeBalancedJSON(data){let json=data+']';if(!this._firstChunk){const commaIndex=json.indexOf(',');if(commaIndex!==-1)
json=json.slice(commaIndex+1);json='['+json;}
let items;try{items=(JSON.parse(json));}catch(e){this._reportErrorAndCancelLoading(Common.UIString('Malformed timeline data: %s',e.toString()));return;}
if(this._firstChunk){this._firstChunk=false;if(this._looksLikeAppVersion(items[0])){this._reportErrorAndCancelLoading(Common.UIString('Legacy Timeline format is not supported.'));return;}}
try{this._tracingModel.addEvents(items);}catch(e){this._reportErrorAndCancelLoading(Common.UIString('Malformed timeline data: %s',e.toString()));}}
_reportErrorAndCancelLoading(message){if(message)
Common.console.error(message);this.cancel();}
_looksLikeAppVersion(item){return typeof item==='string'&&item.indexOf('Chrome')!==-1;}
close(){if(!this._client)
return;this._client.processingStarted();setTimeout(()=>this._finalizeTrace(),0);}
_finalizeTrace(){if(this._state===Timeline.TimelineLoader.State.LoadingCPUProfileFormat){this._parseCPUProfileFormat(this._buffer);this._buffer='';}
this._tracingModel.tracingComplete();this._client.loadingComplete(this._tracingModel);}
_parseCPUProfileFormat(text){let traceEvents;try{const profile=JSON.parse(text);traceEvents=TimelineModel.TimelineJSProfileProcessor.buildTraceProfileFromCpuProfile(profile);}catch(e){this._reportErrorAndCancelLoading(Common.UIString('Malformed CPU profile format'));return;}
this._tracingModel.addEvents(traceEvents);}};Timeline.TimelineLoader.TransferChunkLengthBytes=5000000;Timeline.TimelineLoader.Client=function(){};Timeline.TimelineLoader.Client.prototype={loadingStarted(){},loadingProgress(progress){},processingStarted(){},loadingComplete(tracingModel){},};Timeline.TimelineLoader.State={Initial:Symbol('Initial'),LookingForEvents:Symbol('LookingForEvents'),ReadingEvents:Symbol('ReadingEvents'),SkippingTail:Symbol('SkippingTail'),LoadingCPUProfileFormat:Symbol('LoadingCPUProfileFormat')};;Timeline.TimelineEventOverview=class extends PerfUI.TimelineOverviewBase{constructor(id,title){super();this.element.id='timeline-overview-'+id;this.element.classList.add('overview-strip');this._model=null;if(title)
this.element.createChild('div','timeline-overview-strip-title').textContent=title;}
setModel(model){this._model=model;}
_renderBar(begin,end,position,height,color){const x=begin;const width=end-begin;const ctx=this.context();ctx.fillStyle=color;ctx.fillRect(x,position,width,height);}};Timeline.TimelineEventOverviewInput=class extends Timeline.TimelineEventOverview{constructor(){super('input',null);}
update(){super.update();if(!this._model)
return;const height=this.height();const descriptors=Timeline.TimelineUIUtils.eventDispatchDesciptors();const descriptorsByType=new Map();let maxPriority=-1;for(const descriptor of descriptors){for(const type of descriptor.eventTypes)
descriptorsByType.set(type,descriptor);maxPriority=Math.max(maxPriority,descriptor.priority);}
const minWidth=2*window.devicePixelRatio;const timeOffset=this._model.timelineModel().minimumRecordTime();const timeSpan=this._model.timelineModel().maximumRecordTime()-timeOffset;const canvasWidth=this.width();const scale=canvasWidth/timeSpan;for(let priority=0;priority<=maxPriority;++priority){for(const track of this._model.timelineModel().tracks()){for(let i=0;i<track.events.length;++i){const event=track.events[i];if(event.name!==TimelineModel.TimelineModel.RecordType.EventDispatch)
continue;const descriptor=descriptorsByType.get(event.args['data']['type']);if(!descriptor||descriptor.priority!==priority)
continue;const start=Number.constrain(Math.floor((event.startTime-timeOffset)*scale),0,canvasWidth);const end=Number.constrain(Math.ceil((event.endTime-timeOffset)*scale),0,canvasWidth);const width=Math.max(end-start,minWidth);this._renderBar(start,start+width,0,height,descriptor.color);}}}}};Timeline.TimelineEventOverviewNetwork=class extends Timeline.TimelineEventOverview{constructor(){super('network',Common.UIString('NET'));}
update(){super.update();if(!this._model)
return;const timelineModel=this._model.timelineModel();const bandHeight=this.height()/2;const timeOffset=timelineModel.minimumRecordTime();const timeSpan=timelineModel.maximumRecordTime()-timeOffset;const canvasWidth=this.width();const scale=canvasWidth/timeSpan;const highPath=new Path2D();const lowPath=new Path2D();const priorities=Protocol.Network.ResourcePriority;const highPrioritySet=new Set([priorities.VeryHigh,priorities.High,priorities.Medium]);for(const request of timelineModel.networkRequests()){const path=highPrioritySet.has(request.priority)?highPath:lowPath;const s=Math.max(Math.floor((request.startTime-timeOffset)*scale),0);const e=Math.min(Math.ceil((request.endTime-timeOffset)*scale+1),canvasWidth);path.rect(s,0,e-s,bandHeight-1);}
const ctx=this.context();ctx.save();ctx.fillStyle='hsl(214, 60%, 60%)';ctx.fill((highPath));ctx.translate(0,bandHeight);ctx.fillStyle='hsl(214, 80%, 80%)';ctx.fill((lowPath));ctx.restore();}};Timeline.TimelineEventOverviewCPUActivity=class extends Timeline.TimelineEventOverview{constructor(){super('cpu-activity',Common.UIString('CPU'));this._backgroundCanvas=this.element.createChild('canvas','fill background');}
resetCanvas(){super.resetCanvas();this._backgroundCanvas.width=this.element.clientWidth*window.devicePixelRatio;this._backgroundCanvas.height=this.element.clientHeight*window.devicePixelRatio;}
update(){super.update();if(!this._model)
return;const timelineModel=this._model.timelineModel();const quantSizePx=4*window.devicePixelRatio;const width=this.width();const height=this.height();const baseLine=height;const timeOffset=timelineModel.minimumRecordTime();const timeSpan=timelineModel.maximumRecordTime()-timeOffset;const scale=width/timeSpan;const quantTime=quantSizePx/scale;const categories=Timeline.TimelineUIUtils.categories();const categoryOrder=['idle','loading','painting','rendering','scripting','other'];const otherIndex=categoryOrder.indexOf('other');const idleIndex=0;console.assert(idleIndex===categoryOrder.indexOf('idle'));for(let i=idleIndex+1;i<categoryOrder.length;++i)
categories[categoryOrder[i]]._overviewIndex=i;const backgroundContext=this._backgroundCanvas.getContext('2d');for(const track of timelineModel.tracks()){if(track.type===TimelineModel.TimelineModel.TrackType.MainThread&&track.forMainFrame)
drawThreadEvents(this.context(),track.events);else
drawThreadEvents(backgroundContext,track.events);}
applyPattern(backgroundContext);function drawThreadEvents(ctx,events){const quantizer=new Timeline.Quantizer(timeOffset,quantTime,drawSample);let x=0;const categoryIndexStack=[];const paths=[];const lastY=[];for(let i=0;i<categoryOrder.length;++i){paths[i]=new Path2D();paths[i].moveTo(0,height);lastY[i]=height;}
function drawSample(counters){let y=baseLine;for(let i=idleIndex+1;i<categoryOrder.length;++i){const h=(counters[i]||0)/quantTime*height;y-=h;paths[i].bezierCurveTo(x,lastY[i],x,y,x+quantSizePx/2,y);lastY[i]=y;}
x+=quantSizePx;}
function onEventStart(e){const index=categoryIndexStack.length?categoryIndexStack.peekLast():idleIndex;quantizer.appendInterval(e.startTime,index);categoryIndexStack.push(Timeline.TimelineUIUtils.eventStyle(e).category._overviewIndex||otherIndex);}
function onEventEnd(e){quantizer.appendInterval(e.endTime,categoryIndexStack.pop());}
TimelineModel.TimelineModel.forEachEvent(events,onEventStart,onEventEnd);quantizer.appendInterval(timeOffset+timeSpan+quantTime,idleIndex);for(let i=categoryOrder.length-1;i>0;--i){paths[i].lineTo(width,height);ctx.fillStyle=categories[categoryOrder[i]].color;ctx.fill(paths[i]);}}
function applyPattern(ctx){const step=4*window.devicePixelRatio;ctx.save();ctx.lineWidth=step/Math.sqrt(8);for(let x=0.5;x<width+height;x+=step){ctx.moveTo(x,0);ctx.lineTo(x-height,height);}
ctx.globalCompositeOperation='destination-out';ctx.stroke();ctx.restore();}}};Timeline.TimelineEventOverviewResponsiveness=class extends Timeline.TimelineEventOverview{constructor(){super('responsiveness',null);}
update(){super.update();if(!this._model)
return;const height=this.height();const timeOffset=this._model.timelineModel().minimumRecordTime();const timeSpan=this._model.timelineModel().maximumRecordTime()-timeOffset;const scale=this.width()/timeSpan;const frames=this._model.frames();const ctx=(this.context());const fillPath=new Path2D();const markersPath=new Path2D();for(let i=0;i<frames.length;++i){const frame=frames[i];if(!frame.hasWarnings())
continue;paintWarningDecoration(frame.startTime,frame.duration);}
for(const track of this._model.timelineModel().tracks()){const events=track.events;for(let i=0;i<events.length;++i){if(!TimelineModel.TimelineData.forEvent(events[i]).warning)
continue;paintWarningDecoration(events[i].startTime,events[i].duration);}}
ctx.fillStyle='hsl(0, 80%, 90%)';ctx.strokeStyle='red';ctx.lineWidth=2*window.devicePixelRatio;ctx.fill(fillPath);ctx.stroke(markersPath);function paintWarningDecoration(time,duration){const x=Math.round(scale*(time-timeOffset));const w=Math.round(scale*duration);fillPath.rect(x,0,w,height);markersPath.moveTo(x+w,0);markersPath.lineTo(x+w,height);}}};Timeline.TimelineFilmStripOverview=class extends Timeline.TimelineEventOverview{constructor(){super('filmstrip',null);this.reset();}
update(){super.update();const frames=this._model?this._model.filmStripModel().frames():[];if(!frames.length)
return;const drawGeneration=Symbol('drawGeneration');this._drawGeneration=drawGeneration;this._imageByFrame(frames[0]).then(image=>{if(this._drawGeneration!==drawGeneration)
return;if(!image||!image.naturalWidth||!image.naturalHeight)
return;const imageHeight=this.height()-2*Timeline.TimelineFilmStripOverview.Padding;const imageWidth=Math.ceil(imageHeight*image.naturalWidth/image.naturalHeight);const popoverScale=Math.min(200/image.naturalWidth,1);this._emptyImage=new Image(image.naturalWidth*popoverScale,image.naturalHeight*popoverScale);this._drawFrames(imageWidth,imageHeight);});}
_imageByFrame(frame){let imagePromise=this._frameToImagePromise.get(frame);if(!imagePromise){imagePromise=frame.imageDataPromise().then(data=>UI.loadImageFromData(data));this._frameToImagePromise.set(frame,imagePromise);}
return imagePromise;}
_drawFrames(imageWidth,imageHeight){if(!imageWidth||!this._model)
return;const filmStripModel=this._model.filmStripModel();if(!filmStripModel.frames().length)
return;const padding=Timeline.TimelineFilmStripOverview.Padding;const width=this.width();const zeroTime=filmStripModel.zeroTime();const spanTime=filmStripModel.spanTime();const scale=spanTime/width;const context=this.context();const drawGeneration=this._drawGeneration;context.beginPath();for(let x=padding;x<width;x+=imageWidth+2*padding){const time=zeroTime+(x+imageWidth/2)*scale;const frame=filmStripModel.frameByTimestamp(time);if(!frame)
continue;context.rect(x-0.5,0.5,imageWidth+1,imageHeight+1);this._imageByFrame(frame).then(drawFrameImage.bind(this,x));}
context.strokeStyle='#ddd';context.stroke();function drawFrameImage(x,image){if(this._drawGeneration!==drawGeneration||!image)
return;context.drawImage(image,x,1,imageWidth,imageHeight);}}
overviewInfoPromise(x){if(!this._model||!this._model.filmStripModel().frames().length)
return Promise.resolve((null));const time=this.calculator().positionToTime(x);const frame=this._model.filmStripModel().frameByTimestamp(time);if(frame===this._lastFrame)
return Promise.resolve(this._lastElement);const imagePromise=frame?this._imageByFrame(frame):Promise.resolve(this._emptyImage);return imagePromise.then(createFrameElement.bind(this));function createFrameElement(image){const element=createElementWithClass('div','frame');if(image)
element.createChild('div','thumbnail').appendChild(image);this._lastFrame=frame;this._lastElement=element;return element;}}
reset(){this._lastFrame=undefined;this._lastElement=null;this._frameToImagePromise=new Map();this._imageWidth=0;}};Timeline.TimelineFilmStripOverview.Padding=2;Timeline.TimelineEventOverviewFrames=class extends Timeline.TimelineEventOverview{constructor(){super('framerate',Common.UIString('FPS'));}
update(){super.update();if(!this._model)
return;const frames=this._model.frames();if(!frames.length)
return;const height=this.height();const padding=1*window.devicePixelRatio;const baseFrameDurationMs=1e3/60;const visualHeight=height-2*padding;const timeOffset=this._model.timelineModel().minimumRecordTime();const timeSpan=this._model.timelineModel().maximumRecordTime()-timeOffset;const scale=this.width()/timeSpan;const baseY=height-padding;const ctx=this.context();const bottomY=baseY+10*window.devicePixelRatio;let x=0;let y=bottomY;const lineWidth=window.devicePixelRatio;const offset=lineWidth&1?0.5:0;const tickDepth=1.5*window.devicePixelRatio;ctx.beginPath();ctx.moveTo(0,y);for(let i=0;i<frames.length;++i){const frame=frames[i];x=Math.round((frame.startTime-timeOffset)*scale)+offset;ctx.lineTo(x,y);ctx.lineTo(x,y+tickDepth);y=frame.idle?bottomY:Math.round(baseY-visualHeight*Math.min(baseFrameDurationMs/frame.duration,1))-offset;ctx.lineTo(x,y+tickDepth);ctx.lineTo(x,y);}
const lastFrame=frames.peekLast();x=Math.round((lastFrame.startTime+lastFrame.duration-timeOffset)*scale)+offset;ctx.lineTo(x,y);ctx.lineTo(x,bottomY);ctx.fillStyle='hsl(110, 50%, 88%)';ctx.strokeStyle='hsl(110, 50%, 60%)';ctx.lineWidth=lineWidth;ctx.fill();ctx.stroke();}};Timeline.TimelineEventOverviewMemory=class extends Timeline.TimelineEventOverview{constructor(){super('memory',Common.UIString('HEAP'));this._heapSizeLabel=this.element.createChild('div','memory-graph-label');}
resetHeapSizeLabels(){this._heapSizeLabel.textContent='';}
update(){super.update();const ratio=window.devicePixelRatio;if(!this._model){this.resetHeapSizeLabels();return;}
const tracks=this._model.timelineModel().tracks().filter(track=>track.type===TimelineModel.TimelineModel.TrackType.MainThread&&track.forMainFrame);const trackEvents=tracks.map(track=>track.events);const lowerOffset=3*ratio;let maxUsedHeapSize=0;let minUsedHeapSize=100000000000;const minTime=this._model.timelineModel().minimumRecordTime();const maxTime=this._model.timelineModel().maximumRecordTime();function isUpdateCountersEvent(event){return event.name===TimelineModel.TimelineModel.RecordType.UpdateCounters;}
for(let i=0;i<trackEvents.length;i++)
trackEvents[i]=trackEvents[i].filter(isUpdateCountersEvent);function calculateMinMaxSizes(event){const counters=event.args.data;if(!counters||!counters.jsHeapSizeUsed)
return;maxUsedHeapSize=Math.max(maxUsedHeapSize,counters.jsHeapSizeUsed);minUsedHeapSize=Math.min(minUsedHeapSize,counters.jsHeapSizeUsed);}
for(let i=0;i<trackEvents.length;i++)
trackEvents[i].forEach(calculateMinMaxSizes);minUsedHeapSize=Math.min(minUsedHeapSize,maxUsedHeapSize);const lineWidth=1;const width=this.width();const height=this.height()-lowerOffset;const xFactor=width/(maxTime-minTime);const yFactor=(height-lineWidth)/Math.max(maxUsedHeapSize-minUsedHeapSize,1);const histogram=new Array(width);function buildHistogram(event){const counters=event.args.data;if(!counters||!counters.jsHeapSizeUsed)
return;const x=Math.round((event.startTime-minTime)*xFactor);const y=Math.round((counters.jsHeapSizeUsed-minUsedHeapSize)*yFactor);histogram[x]=Math.max(histogram[x]||0,y);}
for(let i=0;i<trackEvents.length;i++)
trackEvents[i].forEach(buildHistogram);const ctx=this.context();const heightBeyondView=height+lowerOffset+lineWidth;ctx.translate(0.5,0.5);ctx.beginPath();ctx.moveTo(-lineWidth,heightBeyondView);let y=0;let isFirstPoint=true;let lastX=0;for(let x=0;x<histogram.length;x++){if(typeof histogram[x]==='undefined')
continue;if(isFirstPoint){isFirstPoint=false;y=histogram[x];ctx.lineTo(-lineWidth,height-y);}
const nextY=histogram[x];if(Math.abs(nextY-y)>2&&Math.abs(x-lastX)>1)
ctx.lineTo(x,height-y);y=nextY;ctx.lineTo(x,height-y);lastX=x;}
ctx.lineTo(width+lineWidth,height-y);ctx.lineTo(width+lineWidth,heightBeyondView);ctx.closePath();ctx.fillStyle='hsla(220, 90%, 70%, 0.2)';ctx.fill();ctx.lineWidth=lineWidth;ctx.strokeStyle='hsl(220, 90%, 70%)';ctx.stroke();this._heapSizeLabel.textContent=Common.UIString('%s \u2013 %s',Number.bytesToString(minUsedHeapSize),Number.bytesToString(maxUsedHeapSize));}};Timeline.Quantizer=class{constructor(startTime,quantDuration,callback){this._lastTime=startTime;this._quantDuration=quantDuration;this._callback=callback;this._counters=[];this._remainder=quantDuration;}
appendInterval(time,group){let interval=time-this._lastTime;if(interval<=this._remainder){this._counters[group]=(this._counters[group]||0)+interval;this._remainder-=interval;this._lastTime=time;return;}
this._counters[group]=(this._counters[group]||0)+this._remainder;this._callback(this._counters);interval-=this._remainder;while(interval>=this._quantDuration){const counters=[];counters[group]=this._quantDuration;this._callback(counters);interval-=this._quantDuration;}
this._counters=[];this._counters[group]=interval;this._lastTime=time;this._remainder=this._quantDuration-interval;}};;Timeline.TimelineFilters={};Timeline.TimelineFilters.IsLong=class extends TimelineModel.TimelineModelFilter{constructor(){super();this._minimumRecordDuration=0;}
setMinimumRecordDuration(value){this._minimumRecordDuration=value;}
accept(event){const duration=event.endTime?event.endTime-event.startTime:0;return duration>=this._minimumRecordDuration;}};Timeline.TimelineFilters.Category=class extends TimelineModel.TimelineModelFilter{constructor(){super();}
accept(event){return!Timeline.TimelineUIUtils.eventStyle(event).category.hidden;}};Timeline.TimelineFilters.RegExp=class extends TimelineModel.TimelineModelFilter{constructor(regExp){super();this._regExp;this.setRegExp(regExp||null);}
setRegExp(regExp){this._regExp=regExp;}
regExp(){return this._regExp;}
accept(event){return!this._regExp||Timeline.TimelineUIUtils.testContentMatching(event,this._regExp);}};;Timeline.TimelineFlameChartDataProvider=class extends Common.Object{constructor(){super();this.reset();this._font='11px '+Host.fontFamily();this._timelineData=null;this._currentLevel=0;this._performanceModel=null;this._model=null;this._minimumBoundary=0;this._maximumBoundary=0;this._timeSpan=0;this._consoleColorGenerator=new Common.Color.Generator({min:30,max:55},{min:70,max:100,count:6},50,0.7);this._extensionColorGenerator=new Common.Color.Generator({min:210,max:300},{min:70,max:100,count:6},70,0.7);this._headerLevel1=this._buildGroupStyle({shareHeaderLine:false});this._headerLevel2=this._buildGroupStyle({padding:2,nestingLevel:1,collapsible:false});this._staticHeader=this._buildGroupStyle({collapsible:false});this._framesHeader=this._buildGroupStyle({useFirstLineForOverview:true});this._screenshotsHeader=this._buildGroupStyle({useFirstLineForOverview:true,nestingLevel:1,collapsible:false,itemsHeight:150});this._interactionsHeaderLevel1=this._buildGroupStyle({useFirstLineForOverview:true});this._interactionsHeaderLevel2=this._buildGroupStyle({padding:2,nestingLevel:1});this._flowEventIndexById=new Map();}
_buildGroupStyle(extra){const defaultGroupStyle={padding:4,height:17,collapsible:true,color:UI.themeSupport.patchColorText('#222',UI.ThemeSupport.ColorUsage.Foreground),backgroundColor:UI.themeSupport.patchColorText('white',UI.ThemeSupport.ColorUsage.Background),font:this._font,nestingLevel:0,shareHeaderLine:true};return(Object.assign(defaultGroupStyle,extra));}
setModel(performanceModel){this.reset();this._performanceModel=performanceModel;this._model=performanceModel&&performanceModel.timelineModel();}
groupTrack(group){return group._track||null;}
entryTitle(entryIndex){const entryTypes=Timeline.TimelineFlameChartDataProvider.EntryType;const entryType=this._entryType(entryIndex);if(entryType===entryTypes.Event){const event=(this._entryData[entryIndex]);if(event.phase===SDK.TracingModel.Phase.AsyncStepInto||event.phase===SDK.TracingModel.Phase.AsyncStepPast)
return event.name+':'+event.args['step'];if(event._blackboxRoot)
return Common.UIString('Blackboxed');const name=Timeline.TimelineUIUtils.eventStyle(event).title;const detailsText=Timeline.TimelineUIUtils.buildDetailsTextForTraceEvent(event,this._model.targetByEvent(event));if(event.name===TimelineModel.TimelineModel.RecordType.JSFrame&&detailsText)
return detailsText;return detailsText?Common.UIString('%s (%s)',name,detailsText):name;}
if(entryType===entryTypes.ExtensionEvent){const event=(this._entryData[entryIndex]);return event.name;}
if(entryType===entryTypes.Screenshot)
return'';let title=this._entryIndexToTitle[entryIndex];if(!title){title=Common.UIString('Unexpected entryIndex %d',entryIndex);console.error(title);}
return title;}
textColor(index){const event=this._entryData[index];return event&&event._blackboxRoot?'#888':Timeline.FlameChartStyle.textColor;}
entryFont(index){return this._font;}
reset(){this._currentLevel=0;this._timelineData=null;this._entryData=[];this._entryParent=[];this._entryTypeByLevel=[];this._entryIndexToTitle=[];this._markers=[];this._asyncColorByCategory=new Map();this._asyncColorByInteractionPhase=new Map();this._extensionInfo=[];this._screenshotImageCache=new Map();}
maxStackDepth(){return this._currentLevel;}
timelineData(){if(this._timelineData)
return this._timelineData;this._timelineData=new PerfUI.FlameChart.TimelineData([],[],[],[]);if(!this._model)
return this._timelineData;this._flowEventIndexById.clear();this._minimumBoundary=this._model.minimumRecordTime();this._timeSpan=this._model.isEmpty()?1000:this._model.maximumRecordTime()-this._minimumBoundary;this._currentLevel=0;if(this._model.isGenericTrace())
this._processGenericTrace();else
this._processInspectorTrace();return this._timelineData;}
_processGenericTrace(){const processGroupStyle=this._buildGroupStyle({shareHeaderLine:false});const threadGroupStyle=this._buildGroupStyle({padding:2,nestingLevel:1,shareHeaderLine:false});const eventEntryType=Timeline.TimelineFlameChartDataProvider.EntryType.Event;const tracksByProcess=new Multimap();for(const track of this._model.tracks())
tracksByProcess.set(track.thread.process(),track);for(const process of tracksByProcess.keysArray()){if(tracksByProcess.size>1){const name=`${process.name()} ${process.id()}`;this._appendHeader(name,processGroupStyle,false);}
for(const track of tracksByProcess.get(process)){const group=this._appendSyncEvents(track,track.events,track.name,threadGroupStyle,eventEntryType,true);if(!this._timelineData.selectedGroup||track.name===TimelineModel.TimelineModel.BrowserMainThreadName)
this._timelineData.selectedGroup=group;}}}
_processInspectorTrace(){this._appendFrameBars();this._appendInteractionRecords();const eventEntryType=Timeline.TimelineFlameChartDataProvider.EntryType.Event;const weight=track=>{switch(track.type){case TimelineModel.TimelineModel.TrackType.Input:return 0;case TimelineModel.TimelineModel.TrackType.Animation:return 1;case TimelineModel.TimelineModel.TrackType.UserTiming:return 2;case TimelineModel.TimelineModel.TrackType.Console:return 3;case TimelineModel.TimelineModel.TrackType.MainThread:return track.forMainFrame?4:5;case TimelineModel.TimelineModel.TrackType.Worker:return 6;case TimelineModel.TimelineModel.TrackType.Raster:return 7;case TimelineModel.TimelineModel.TrackType.GPU:return 8;case TimelineModel.TimelineModel.TrackType.Other:return 9;}};const tracks=this._model.tracks().slice();tracks.stableSort((a,b)=>weight(a)-weight(b));let rasterCount=0;for(const track of tracks){switch(track.type){case TimelineModel.TimelineModel.TrackType.Input:this._appendAsyncEventsGroup(track,ls`Input`,track.asyncEvents,this._interactionsHeaderLevel2,eventEntryType,false);break;case TimelineModel.TimelineModel.TrackType.Animation:this._appendAsyncEventsGroup(track,ls`Animation`,track.asyncEvents,this._interactionsHeaderLevel2,eventEntryType,false);break;case TimelineModel.TimelineModel.TrackType.UserTiming:this._appendAsyncEventsGroup(track,ls`User Timing`,track.asyncEvents,this._headerLevel1,eventEntryType,true);break;case TimelineModel.TimelineModel.TrackType.Console:this._appendAsyncEventsGroup(track,ls`Console`,track.asyncEvents,this._headerLevel1,eventEntryType,true);break;case TimelineModel.TimelineModel.TrackType.MainThread:if(track.forMainFrame){const group=this._appendSyncEvents(track,track.events,track.url?ls`Main \u2014 ${track.url}`:ls`Main`,this._headerLevel1,eventEntryType,true);if(group)
this._timelineData.selectedGroup=group;}else{this._appendSyncEvents(track,track.events,track.url?ls`Frame \u2014 ${track.url}`:ls`Subframe`,this._headerLevel1,eventEntryType,true);}
break;case TimelineModel.TimelineModel.TrackType.Worker:this._appendSyncEvents(track,track.events,track.url?ls`Worker \u2014 ${track.url}`:ls`Dedicated Worker`,this._headerLevel1,eventEntryType,true);break;case TimelineModel.TimelineModel.TrackType.Raster:if(!rasterCount)
this._appendHeader(ls`Raster`,this._headerLevel1,false);++rasterCount;this._appendSyncEvents(track,track.events,ls`Rasterizer Thread ${rasterCount}`,this._headerLevel2,eventEntryType,true);break;case TimelineModel.TimelineModel.TrackType.GPU:this._appendSyncEvents(track,track.events,ls`GPU`,this._headerLevel1,eventEntryType,true);break;case TimelineModel.TimelineModel.TrackType.Other:this._appendSyncEvents(track,track.events,track.name||ls`Thread`,this._headerLevel1,eventEntryType,true);this._appendAsyncEventsGroup(track,track.name,track.asyncEvents,this._headerLevel1,eventEntryType,true);break;}}
if(this._timelineData.selectedGroup)
this._timelineData.selectedGroup.expanded=true;for(let extensionIndex=0;extensionIndex<this._extensionInfo.length;extensionIndex++)
this._innerAppendExtensionEvents(extensionIndex);this._markers.sort((a,b)=>a.startTime()-b.startTime());this._timelineData.markers=this._markers;this._flowEventIndexById.clear();}
minimumBoundary(){return this._minimumBoundary;}
totalTime(){return this._timeSpan;}
search(startTime,endTime,filter){const result=[];const entryTypes=Timeline.TimelineFlameChartDataProvider.EntryType;this.timelineData();for(let i=0;i<this._entryData.length;++i){if(this._entryType(i)!==entryTypes.Event)
continue;const event=(this._entryData[i]);if(event.startTime>endTime)
continue;if((event.endTime||event.startTime)<startTime)
continue;if(filter.accept(event))
result.push(i);}
result.sort((a,b)=>SDK.TracingModel.Event.compareStartTime((this._entryData[a]),(this._entryData[b])));return result;}
_appendSyncEvents(track,events,title,style,entryType,selectable){if(!events.length)
return null;const isExtension=entryType===Timeline.TimelineFlameChartDataProvider.EntryType.ExtensionEvent;const openEvents=[];const flowEventsEnabled=Runtime.experiments.isEnabled('timelineFlowEvents');const blackboxingEnabled=!isExtension&&Runtime.experiments.isEnabled('blackboxJSFramesOnTimeline');let maxStackDepth=0;let group=null;if(track&&track.type===TimelineModel.TimelineModel.TrackType.MainThread){group=this._appendHeader(title,style,selectable);group._track=track;}
const markerEventsFilter=Timeline.TimelineUIUtils.paintEventsFilter();for(let i=0;i<events.length;++i){const e=events[i];if(!isExtension&&TimelineModel.TimelineModel.isMarkerEvent(e)&&markerEventsFilter.accept(e)){this._markers.push(new Timeline.TimelineFlameChartMarker(e.startTime,e.startTime-this._model.minimumRecordTime(),Timeline.TimelineUIUtils.markerStyleForEvent(e)));}
if(!SDK.TracingModel.isFlowPhase(e.phase)){if(!e.endTime&&e.phase!==SDK.TracingModel.Phase.Instant)
continue;if(SDK.TracingModel.isAsyncPhase(e.phase))
continue;if(!isExtension&&!this._performanceModel.isVisible(e))
continue;}
while(openEvents.length&&openEvents.peekLast().endTime<=e.startTime)
openEvents.pop();e._blackboxRoot=false;if(blackboxingEnabled&&this._isBlackboxedEvent(e)){const parent=openEvents.peekLast();if(parent&&parent._blackboxRoot)
continue;e._blackboxRoot=true;}
if(!group){group=this._appendHeader(title,style,selectable);if(selectable)
group._track=track;}
const level=this._currentLevel+openEvents.length;if(flowEventsEnabled)
this._appendFlowEvent(e,level);const index=this._appendEvent(e,level);if(openEvents.length)
this._entryParent[index]=openEvents.peekLast();if(!isExtension&&TimelineModel.TimelineModel.isMarkerEvent(e))
this._timelineData.entryTotalTimes[this._entryData.length]=undefined;maxStackDepth=Math.max(maxStackDepth,openEvents.length+1);if(e.endTime)
openEvents.push(e);}
this._entryTypeByLevel.length=this._currentLevel+maxStackDepth;this._entryTypeByLevel.fill(entryType,this._currentLevel);this._currentLevel+=maxStackDepth;return group;}
_isBlackboxedEvent(event){if(event.name!==TimelineModel.TimelineModel.RecordType.JSFrame)
return false;const url=event.args['data']['url'];return url&&this._isBlackboxedURL(url);}
_isBlackboxedURL(url){return Bindings.blackboxManager.isBlackboxedURL(url);}
_appendAsyncEventsGroup(track,header,events,style,entryType,selectable){if(!events.length)
return null;const lastUsedTimeByLevel=[];let group=null;for(let i=0;i<events.length;++i){const asyncEvent=events[i];if(!this._performanceModel.isVisible(asyncEvent))
continue;if(!group){group=this._appendHeader(header,style,selectable);if(selectable)
group._track=track;}
const startTime=asyncEvent.startTime;let level;for(level=0;level<lastUsedTimeByLevel.length&&lastUsedTimeByLevel[level]>startTime;++level){}
this._appendAsyncEvent(asyncEvent,this._currentLevel+level);lastUsedTimeByLevel[level]=asyncEvent.endTime;}
this._entryTypeByLevel.length=this._currentLevel+lastUsedTimeByLevel.length;this._entryTypeByLevel.fill(entryType,this._currentLevel);this._currentLevel+=lastUsedTimeByLevel.length;return group;}
_appendInteractionRecords(){const interactionRecords=this._performanceModel.interactionRecords();if(!interactionRecords.length)
return;this._appendHeader(ls`Interactions`,this._interactionsHeaderLevel1,false);for(const segment of interactionRecords){const index=this._entryData.length;this._entryData.push((segment.data));this._entryIndexToTitle[index]=(segment.data);this._timelineData.entryLevels[index]=this._currentLevel;this._timelineData.entryTotalTimes[index]=segment.end-segment.begin;this._timelineData.entryStartTimes[index]=segment.begin;}
this._entryTypeByLevel[this._currentLevel++]=Timeline.TimelineFlameChartDataProvider.EntryType.InteractionRecord;}
_appendFrameBars(){const screenshots=this._performanceModel.filmStripModel().frames();const hasFilmStrip=!!screenshots.length;this._framesHeader.collapsible=hasFilmStrip;this._appendHeader(Common.UIString('Frames'),this._framesHeader,false);this._frameGroup=this._timelineData.groups.peekLast();const style=Timeline.TimelineUIUtils.markerStyleForFrame();this._entryTypeByLevel[this._currentLevel]=Timeline.TimelineFlameChartDataProvider.EntryType.Frame;for(const frame of this._performanceModel.frames()){this._markers.push(new Timeline.TimelineFlameChartMarker(frame.startTime,frame.startTime-this._model.minimumRecordTime(),style));this._appendFrame(frame);}
++this._currentLevel;if(!hasFilmStrip)
return;this._appendHeader('',this._screenshotsHeader,false);this._entryTypeByLevel[this._currentLevel]=Timeline.TimelineFlameChartDataProvider.EntryType.Screenshot;let prevTimestamp;for(const screenshot of screenshots){this._entryData.push(screenshot);this._timelineData.entryLevels.push(this._currentLevel);this._timelineData.entryStartTimes.push(screenshot.timestamp);if(prevTimestamp)
this._timelineData.entryTotalTimes.push(screenshot.timestamp-prevTimestamp);prevTimestamp=screenshot.timestamp;}
if(screenshots.length)
this._timelineData.entryTotalTimes.push(this._model.maximumRecordTime()-prevTimestamp);++this._currentLevel;}
_entryType(entryIndex){return this._entryTypeByLevel[this._timelineData.entryLevels[entryIndex]];}
prepareHighlightedEntryInfo(entryIndex){let time='';let title;let warning;const type=this._entryType(entryIndex);if(type===Timeline.TimelineFlameChartDataProvider.EntryType.Event){const event=(this._entryData[entryIndex]);const totalTime=event.duration;const selfTime=event.selfTime;const eps=1e-6;if(typeof totalTime==='number'){time=Math.abs(totalTime-selfTime)>eps&&selfTime>eps?Common.UIString('%s (self %s)',Number.millisToString(totalTime,true),Number.millisToString(selfTime,true)):Number.millisToString(totalTime,true);}
title=this.entryTitle(entryIndex);warning=Timeline.TimelineUIUtils.eventWarning(event);}else if(type===Timeline.TimelineFlameChartDataProvider.EntryType.Frame){const frame=(this._entryData[entryIndex]);time=Common.UIString('%s ~ %.0f\xa0fps',Number.preciseMillisToString(frame.duration,1),(1000/frame.duration));title=frame.idle?Common.UIString('Idle Frame'):Common.UIString('Frame');if(frame.hasWarnings()){warning=createElement('span');warning.textContent=Common.UIString('Long frame');}}else{return null;}
const element=createElement('div');const root=UI.createShadowRootWithCoreStyles(element,'timeline/timelineFlamechartPopover.css');const contents=root.createChild('div','timeline-flamechart-popover');contents.createChild('span','timeline-info-time').textContent=time;contents.createChild('span','timeline-info-title').textContent=title;if(warning){warning.classList.add('timeline-info-warning');contents.appendChild(warning);}
return element;}
entryColor(entryIndex){function patchColorAndCache(cache,key,lookupColor){let color=cache.get(key);if(color)
return color;const parsedColor=Common.Color.parse(lookupColor(key));color=parsedColor.setAlpha(0.7).asString(Common.Color.Format.RGBA)||'';cache.set(key,color);return color;}
const entryTypes=Timeline.TimelineFlameChartDataProvider.EntryType;const type=this._entryType(entryIndex);if(type===entryTypes.Event){const event=(this._entryData[entryIndex]);if(this._model.isGenericTrace())
return this._genericTraceEventColor(event);if(!SDK.TracingModel.isAsyncPhase(event.phase))
return this._colorForEvent(event);if(event.hasCategory(TimelineModel.TimelineModel.Category.Console)||event.hasCategory(TimelineModel.TimelineModel.Category.UserTiming))
return this._consoleColorGenerator.colorForID(event.name);if(event.hasCategory(TimelineModel.TimelineModel.Category.LatencyInfo)){const phase=TimelineModel.TimelineIRModel.phaseForEvent(event)||TimelineModel.TimelineIRModel.Phases.Uncategorized;return patchColorAndCache(this._asyncColorByInteractionPhase,phase,Timeline.TimelineUIUtils.interactionPhaseColor);}
const category=Timeline.TimelineUIUtils.eventStyle(event).category;return patchColorAndCache(this._asyncColorByCategory,category,()=>category.color);}
if(type===entryTypes.Frame)
return'white';if(type===entryTypes.InteractionRecord)
return'transparent';if(type===entryTypes.ExtensionEvent){const event=(this._entryData[entryIndex]);return this._extensionColorGenerator.colorForID(event.name);}
return'';}
_genericTraceEventColor(event){const key=event.categoriesString||event.name;return key?`hsl(${String.hashCode(key) % 300 + 30}, 40%, 70%)`:'#ccc';}
_drawFrame(entryIndex,context,text,barX,barY,barWidth,barHeight){const hPadding=1;const frame=(this._entryData[entryIndex]);barX+=hPadding;barWidth-=2*hPadding;context.fillStyle=frame.idle?'white':(frame.hasWarnings()?'#fad1d1':'#d7f0d1');context.fillRect(barX,barY,barWidth,barHeight);const frameDurationText=Number.preciseMillisToString(frame.duration,1);const textWidth=context.measureText(frameDurationText).width;if(textWidth<=barWidth){context.fillStyle=this.textColor(entryIndex);context.fillText(frameDurationText,barX+(barWidth-textWidth)/2,barY+barHeight-4);}}
async _drawScreenshot(entryIndex,context,barX,barY,barWidth,barHeight){const screenshot=(this._entryData[entryIndex]);if(!this._screenshotImageCache.has(screenshot)){this._screenshotImageCache.set(screenshot,null);const data=await screenshot.imageDataPromise();const image=await UI.loadImageFromData(data);this._screenshotImageCache.set(screenshot,image);this.dispatchEventToListeners(Timeline.TimelineFlameChartDataProvider.Events.DataChanged);return;}
const image=this._screenshotImageCache.get(screenshot);if(!image)
return;const imageX=barX+1;const imageY=barY+1;const imageHeight=barHeight-2;const scale=imageHeight/image.naturalHeight;const imageWidth=Math.floor(image.naturalWidth*scale);context.save();context.beginPath();context.rect(barX,barY,barWidth,barHeight);context.clip();context.drawImage(image,imageX,imageY,imageWidth,imageHeight);context.strokeStyle='#ccc';context.strokeRect(imageX-0.5,imageY-0.5,Math.min(barWidth-1,imageWidth+1),imageHeight);context.restore();}
decorateEntry(entryIndex,context,text,barX,barY,barWidth,barHeight,unclippedBarX,timeToPixels){const data=this._entryData[entryIndex];const type=this._entryType(entryIndex);const entryTypes=Timeline.TimelineFlameChartDataProvider.EntryType;if(type===entryTypes.Frame){this._drawFrame(entryIndex,context,text,barX,barY,barWidth,barHeight);return true;}
if(type===entryTypes.Screenshot){this._drawScreenshot(entryIndex,context,barX,barY,barWidth,barHeight);return true;}
if(type===entryTypes.InteractionRecord){const color=Timeline.TimelineUIUtils.interactionPhaseColor((data));context.fillStyle=color;context.fillRect(barX,barY,barWidth-1,2);context.fillRect(barX,barY-3,2,3);context.fillRect(barX+barWidth-3,barY-3,2,3);return false;}
if(type===entryTypes.Event){const event=(data);if(event.hasCategory(TimelineModel.TimelineModel.Category.LatencyInfo)){const timeWaitingForMainThread=TimelineModel.TimelineData.forEvent(event).timeWaitingForMainThread;if(timeWaitingForMainThread){context.fillStyle='hsla(0, 70%, 60%, 1)';const width=Math.floor(unclippedBarX-barX+timeWaitingForMainThread*timeToPixels);context.fillRect(barX,barY+barHeight-3,width,2);}}
if(TimelineModel.TimelineData.forEvent(event).warning)
paintWarningDecoration(barX,barWidth-1.5);}
function paintWarningDecoration(x,width){const triangleSize=8;context.save();context.beginPath();context.rect(x,barY,width,barHeight);context.clip();context.beginPath();context.fillStyle='red';context.moveTo(x+width-triangleSize,barY);context.lineTo(x+width,barY);context.lineTo(x+width,barY+triangleSize);context.fill();context.restore();}
return false;}
forceDecoration(entryIndex){const entryTypes=Timeline.TimelineFlameChartDataProvider.EntryType;const type=this._entryType(entryIndex);if(type===entryTypes.Frame)
return true;if(type===entryTypes.Screenshot)
return true;if(type===entryTypes.Event){const event=(this._entryData[entryIndex]);return!!TimelineModel.TimelineData.forEvent(event).warning;}
return false;}
appendExtensionEvents(entry){this._extensionInfo.push(entry);if(this._timelineData)
this._innerAppendExtensionEvents(this._extensionInfo.length-1);}
_innerAppendExtensionEvents(index){const entry=this._extensionInfo[index];const entryType=Timeline.TimelineFlameChartDataProvider.EntryType.ExtensionEvent;const allThreads=[].concat(...entry.model.sortedProcesses().map(process=>process.sortedThreads()));if(!allThreads.length)
return;const singleTrack=allThreads.length===1&&(!allThreads[0].events().length||!allThreads[0].asyncEvents().length);if(!singleTrack)
this._appendHeader(entry.title,this._headerLevel1,false);const style=singleTrack?this._headerLevel2:this._headerLevel1;let threadIndex=0;for(const thread of allThreads){const title=singleTrack?entry.title:thread.name()||ls`Thread ${++threadIndex}`;this._appendAsyncEventsGroup(null,title,thread.asyncEvents(),style,entryType,false);this._appendSyncEvents(null,thread.events(),title,style,entryType,false);}}
_appendHeader(title,style,selectable){const group={startLevel:this._currentLevel,name:title,style:style,selectable:selectable};this._timelineData.groups.push(group);return group;}
_appendEvent(event,level){const index=this._entryData.length;this._entryData.push(event);this._timelineData.entryLevels[index]=level;this._timelineData.entryTotalTimes[index]=event.duration||Timeline.TimelineFlameChartDataProvider.InstantEventVisibleDurationMs;this._timelineData.entryStartTimes[index]=event.startTime;event[Timeline.TimelineFlameChartDataProvider._indexSymbol]=index;return index;}
_appendAsyncEvent(asyncEvent,level){if(SDK.TracingModel.isNestableAsyncPhase(asyncEvent.phase)){this._appendEvent(asyncEvent,level);return;}
const steps=asyncEvent.steps;const eventOffset=steps.length>1&&steps[1].phase===SDK.TracingModel.Phase.AsyncStepPast?1:0;for(let i=0;i<steps.length-1;++i){const index=this._entryData.length;this._entryData.push(steps[i+eventOffset]);const startTime=steps[i].startTime;this._timelineData.entryLevels[index]=level;this._timelineData.entryTotalTimes[index]=steps[i+1].startTime-startTime;this._timelineData.entryStartTimes[index]=startTime;}}
_appendFlowEvent(event,level){const timelineData=this._timelineData;function pushStartFlow(event){const flowIndex=timelineData.flowStartTimes.length;timelineData.flowStartTimes.push(event.startTime);timelineData.flowStartLevels.push(level);return flowIndex;}
function pushEndFlow(event,flowIndex){timelineData.flowEndTimes[flowIndex]=event.startTime;timelineData.flowEndLevels[flowIndex]=level;}
switch(event.phase){case SDK.TracingModel.Phase.FlowBegin:this._flowEventIndexById.set(event.id,pushStartFlow(event));break;case SDK.TracingModel.Phase.FlowStep:pushEndFlow(event,this._flowEventIndexById.get(event.id));this._flowEventIndexById.set(event.id,pushStartFlow(event));break;case SDK.TracingModel.Phase.FlowEnd:pushEndFlow(event,this._flowEventIndexById.get(event.id));this._flowEventIndexById.delete(event.id);break;}}
_appendFrame(frame){const index=this._entryData.length;this._entryData.push(frame);this._entryIndexToTitle[index]=Number.millisToString(frame.duration,true);this._timelineData.entryLevels[index]=this._currentLevel;this._timelineData.entryTotalTimes[index]=frame.duration;this._timelineData.entryStartTimes[index]=frame.startTime;}
createSelection(entryIndex){const type=this._entryType(entryIndex);let timelineSelection=null;if(type===Timeline.TimelineFlameChartDataProvider.EntryType.Event){timelineSelection=Timeline.TimelineSelection.fromTraceEvent((this._entryData[entryIndex]));}else if(type===Timeline.TimelineFlameChartDataProvider.EntryType.Frame){timelineSelection=Timeline.TimelineSelection.fromFrame((this._entryData[entryIndex]));}
if(timelineSelection)
this._lastSelection=new Timeline.TimelineFlameChartView.Selection(timelineSelection,entryIndex);return timelineSelection;}
formatValue(value,precision){return Number.preciseMillisToString(value,precision);}
canJumpToEntry(entryIndex){return false;}
entryIndexForSelection(selection){if(!selection||selection.type()===Timeline.TimelineSelection.Type.Range)
return-1;if(this._lastSelection&&this._lastSelection.timelineSelection.object()===selection.object())
return this._lastSelection.entryIndex;const index=this._entryData.indexOf((selection.object()));if(index!==-1)
this._lastSelection=new Timeline.TimelineFlameChartView.Selection(selection,index);return index;}
buildFlowForInitiator(entryIndex){if(this._lastInitiatorEntry===entryIndex)
return false;this._lastInitiatorEntry=entryIndex;let event=this.eventByIndex(entryIndex);const td=this._timelineData;td.flowStartTimes=[];td.flowStartLevels=[];td.flowEndTimes=[];td.flowEndLevels=[];while(event){let initiator;for(;event;event=this._eventParent(event)){initiator=TimelineModel.TimelineData.forEvent(event).initiator();if(initiator)
break;}
if(!initiator)
break;const eventIndex=event[Timeline.TimelineFlameChartDataProvider._indexSymbol];const initiatorIndex=initiator[Timeline.TimelineFlameChartDataProvider._indexSymbol];td.flowStartTimes.push(initiator.endTime||initiator.startTime);td.flowStartLevels.push(td.entryLevels[initiatorIndex]);td.flowEndTimes.push(event.startTime);td.flowEndLevels.push(td.entryLevels[eventIndex]);event=initiator;}
return true;}
_eventParent(event){return this._entryParent[event[Timeline.TimelineFlameChartDataProvider._indexSymbol]]||null;}
eventByIndex(entryIndex){return entryIndex>=0&&this._entryType(entryIndex)===Timeline.TimelineFlameChartDataProvider.EntryType.Event?(this._entryData[entryIndex]):null;}
setEventColorMapping(colorForEvent){this._colorForEvent=colorForEvent;}};Timeline.TimelineFlameChartDataProvider.InstantEventVisibleDurationMs=0.001;Timeline.TimelineFlameChartDataProvider._indexSymbol=Symbol('index');Timeline.TimelineFlameChartDataProvider.Events={DataChanged:Symbol('DataChanged')};Timeline.TimelineFlameChartDataProvider.EntryType={Frame:Symbol('Frame'),Event:Symbol('Event'),InteractionRecord:Symbol('InteractionRecord'),ExtensionEvent:Symbol('ExtensionEvent'),Screenshot:Symbol('Screenshot'),};;Timeline.TimelineFlameChartNetworkDataProvider=class{constructor(){this._font='11px '+Host.fontFamily();this.setModel(null);this._style={padding:4,height:17,collapsible:true,color:UI.themeSupport.patchColorText('#222',UI.ThemeSupport.ColorUsage.Foreground),font:this._font,backgroundColor:UI.themeSupport.patchColorText('white',UI.ThemeSupport.ColorUsage.Background),nestingLevel:0,useFirstLineForOverview:false,useDecoratorsForOverview:true,shareHeaderLine:false};this._group={startLevel:0,name:Common.UIString('Network'),expanded:false,style:this._style};this._minimumBoundary=0;this._maximumBoundary=0;this._timeSpan=0;}
setModel(performanceModel){this._model=performanceModel&&performanceModel.timelineModel();this._maxLevel=0;this._timelineData=null;this._requests=[];}
isEmpty(){this.timelineData();return!this._requests.length;}
maxStackDepth(){return this._maxLevel;}
timelineData(){if(this._timelineData)
return this._timelineData;this._requests=[];this._timelineData=new PerfUI.FlameChart.TimelineData([],[],[],[]);if(this._model)
this._appendTimelineData();return this._timelineData;}
minimumBoundary(){return this._minimumBoundary;}
totalTime(){return this._timeSpan;}
setWindowTimes(startTime,endTime){this._startTime=startTime;this._endTime=endTime;this._updateTimelineData();}
createSelection(index){if(index===-1)
return null;const request=this._requests[index];this._lastSelection=new Timeline.TimelineFlameChartView.Selection(Timeline.TimelineSelection.fromNetworkRequest(request),index);return this._lastSelection.timelineSelection;}
entryIndexForSelection(selection){if(!selection)
return-1;if(this._lastSelection&&this._lastSelection.timelineSelection.object()===selection.object())
return this._lastSelection.entryIndex;if(selection.type()!==Timeline.TimelineSelection.Type.NetworkRequest)
return-1;const request=(selection.object());const index=this._requests.indexOf(request);if(index!==-1){this._lastSelection=new Timeline.TimelineFlameChartView.Selection(Timeline.TimelineSelection.fromNetworkRequest(request),index);}
return index;}
entryColor(index){const request=(this._requests[index]);const category=Timeline.TimelineUIUtils.networkRequestCategory(request);return Timeline.TimelineUIUtils.networkCategoryColor(category);}
textColor(index){return Timeline.FlameChartStyle.textColor;}
entryTitle(index){const request=(this._requests[index]);const parsedURL=new Common.ParsedURL(request.url||'');return parsedURL.isValid?`${parsedURL.displayName} (${parsedURL.host})`:request.url||null;}
entryFont(index){return this._font;}
decorateEntry(index,context,text,barX,barY,barWidth,barHeight,unclippedBarX,timeToPixelRatio){const request=(this._requests[index]);if(!request.timing)
return false;function timeToPixel(time){return Math.floor(unclippedBarX+(time-beginTime)*timeToPixelRatio);}
const minBarWidthPx=2;const beginTime=request.beginTime();const startTime=request.startTime;const endTime=request.endTime;const requestTime=request.timing.requestTime*1000;const sendStart=Math.max(timeToPixel(requestTime+request.timing.sendStart),unclippedBarX);const headersEnd=Math.max(timeToPixel(requestTime+request.timing.receiveHeadersEnd),sendStart);const finish=Math.max(timeToPixel(request.finishTime||endTime),headersEnd+minBarWidthPx);const start=timeToPixel(startTime);const end=Math.max(timeToPixel(endTime),finish);context.fillStyle='hsla(0, 100%, 100%, 0.8)';context.fillRect(sendStart+0.5,barY+0.5,headersEnd-sendStart-0.5,barHeight-2);context.fillStyle=UI.themeSupport.patchColorText('white',UI.ThemeSupport.ColorUsage.Background);context.fillRect(barX,barY-0.5,sendStart-barX,barHeight);context.fillRect(finish,barY-0.5,barX+barWidth-finish,barHeight);if(request.timing.pushStart){const pushStart=timeToPixel(request.timing.pushStart*1000);const pushEnd=timeToPixel(request.timing.pushEnd*1000);const dentSize=Number.constrain(pushEnd-pushStart-2,0,4);const padding=1;context.save();context.beginPath();context.moveTo(pushStart+dentSize,barY+barHeight/2);context.lineTo(pushStart,barY+padding);context.lineTo(pushEnd-dentSize,barY+padding);context.lineTo(pushEnd,barY+barHeight/2);context.lineTo(pushEnd-dentSize,barY+barHeight-padding);context.lineTo(pushStart,barY+barHeight-padding);context.closePath();context.fillStyle=this.entryColor(index);context.globalAlpha=0.3;context.fill();context.restore();}
function drawTick(begin,end,y){const tickHeightPx=6;context.moveTo(begin,y-tickHeightPx/2);context.lineTo(begin,y+tickHeightPx/2);context.moveTo(begin,y);context.lineTo(end,y);}
context.beginPath();context.lineWidth=1;context.strokeStyle='#ccc';const lineY=Math.floor(barY+barHeight/2)+0.5;const leftTick=start+0.5;const rightTick=end-0.5;drawTick(leftTick,sendStart,lineY);drawTick(rightTick,finish,lineY);context.stroke();if(typeof request.priority==='string'){const color=this._colorForPriority(request.priority);if(color){context.fillStyle=color;context.fillRect(sendStart+0.5,barY+0.5,3.5,3.5);}}
const textStart=Math.max(sendStart,0);const textWidth=finish-textStart;const minTextWidthPx=20;if(textWidth>=minTextWidthPx){text=this.entryTitle(index)||'';if(request.fromServiceWorker)
text='⚙ '+text;if(text){const textPadding=4;const textBaseline=5;const textBaseHeight=barHeight-textBaseline;const trimmedText=UI.trimTextEnd(context,text,textWidth-2*textPadding);context.fillStyle='#333';context.fillText(trimmedText,textStart+textPadding,barY+textBaseHeight);}}
return true;}
forceDecoration(index){return true;}
prepareHighlightedEntryInfo(index){const maxURLChars=80;const request=(this._requests[index]);if(!request.url)
return null;const element=createElement('div');const root=UI.createShadowRootWithCoreStyles(element,'timeline/timelineFlamechartPopover.css');const contents=root.createChild('div','timeline-flamechart-popover');const duration=request.endTime-request.startTime;if(request.startTime&&isFinite(duration))
contents.createChild('span','timeline-info-network-time').textContent=Number.millisToString(duration);if(typeof request.priority==='string'){const div=contents.createChild('span');div.textContent=PerfUI.uiLabelForNetworkPriority((request.priority));div.style.color=this._colorForPriority(request.priority)||'black';}
contents.createChild('span').textContent=request.url.trimMiddle(maxURLChars);return element;}
_colorForPriority(priority){if(!this._priorityToValue){const priorities=Protocol.Network.ResourcePriority;this._priorityToValue=new Map([[priorities.VeryLow,1],[priorities.Low,2],[priorities.Medium,3],[priorities.High,4],[priorities.VeryHigh,5]]);}
const value=this._priorityToValue.get(priority);return value?`hsla(214, 80%, 50%, ${value / 5})`:null;}
_appendTimelineData(){this._minimumBoundary=this._model.minimumRecordTime();this._maximumBoundary=this._model.maximumRecordTime();this._timeSpan=this._model.isEmpty()?1000:this._maximumBoundary-this._minimumBoundary;this._model.networkRequests().forEach(this._appendEntry.bind(this));this._updateTimelineData();}
_updateTimelineData(){if(!this._timelineData)
return;const lastTimeByLevel=[];let maxLevel=0;for(let i=0;i<this._requests.length;++i){const r=this._requests[i];const beginTime=r.beginTime();const visible=beginTime<this._endTime&&r.endTime>this._startTime;if(!visible){this._timelineData.entryLevels[i]=-1;continue;}
while(lastTimeByLevel.length&&lastTimeByLevel.peekLast()<=beginTime)
lastTimeByLevel.pop();this._timelineData.entryLevels[i]=lastTimeByLevel.length;lastTimeByLevel.push(r.endTime);maxLevel=Math.max(maxLevel,lastTimeByLevel.length);}
for(let i=0;i<this._requests.length;++i){if(this._timelineData.entryLevels[i]===-1)
this._timelineData.entryLevels[i]=maxLevel;}
this._timelineData=new PerfUI.FlameChart.TimelineData(this._timelineData.entryLevels,this._timelineData.entryTotalTimes,this._timelineData.entryStartTimes,[this._group]);this._maxLevel=maxLevel;}
_appendEntry(request){this._requests.push(request);this._timelineData.entryStartTimes.push(request.beginTime());this._timelineData.entryTotalTimes.push(request.endTime-request.beginTime());this._timelineData.entryLevels.push(this._requests.length-1);}
preferredHeight(){return this._style.height*(this._group.expanded?Number.constrain(this._maxLevel+1,4,8.5):1);}
isExpanded(){return this._group.expanded;}
formatValue(value,precision){return Number.preciseMillisToString(value,precision);}
canJumpToEntry(entryIndex){return false;}};;Timeline.TimelineFlameChartView=class extends UI.VBox{constructor(delegate){super();this.element.classList.add('timeline-flamechart');this._delegate=delegate;this._model=null;this._searchResults;this._eventListeners=[];this._showMemoryGraphSetting=Common.settings.createSetting('timelineShowMemory',false);this._networkSplitWidget=new UI.SplitWidget(false,false,'timelineFlamechartMainView',150);const mainViewGroupExpansionSetting=Common.settings.createSetting('timelineFlamechartMainViewGroupExpansion',{});this._mainDataProvider=new Timeline.TimelineFlameChartDataProvider();this._mainDataProvider.addEventListener(Timeline.TimelineFlameChartDataProvider.Events.DataChanged,()=>this._mainFlameChart.scheduleUpdate());this._mainFlameChart=new PerfUI.FlameChart(this._mainDataProvider,this,mainViewGroupExpansionSetting);this._mainFlameChart.alwaysShowVerticalScroll();this._mainFlameChart.enableRuler(false);this._networkFlameChartGroupExpansionSetting=Common.settings.createSetting('timelineFlamechartNetworkViewGroupExpansion',{});this._networkDataProvider=new Timeline.TimelineFlameChartNetworkDataProvider();this._networkFlameChart=new PerfUI.FlameChart(this._networkDataProvider,this,this._networkFlameChartGroupExpansionSetting);this._networkFlameChart.alwaysShowVerticalScroll();this._networkFlameChart.disableRangeSelection();this._networkPane=new UI.VBox();this._networkPane.setMinimumSize(23,23);this._networkFlameChart.show(this._networkPane.element);this._splitResizer=this._networkPane.element.createChild('div','timeline-flamechart-resizer');this._networkSplitWidget.hideDefaultResizer(true);this._networkSplitWidget.installResizer(this._splitResizer);this._networkSplitWidget.setMainWidget(this._mainFlameChart);this._networkSplitWidget.setSidebarWidget(this._networkPane);this._chartSplitWidget=new UI.SplitWidget(false,true,'timelineCountersSplitViewState');this._countersView=new Timeline.CountersGraph(this._delegate);this._chartSplitWidget.setMainWidget(this._networkSplitWidget);this._chartSplitWidget.setSidebarWidget(this._countersView);this._chartSplitWidget.hideDefaultResizer();this._chartSplitWidget.installResizer((this._countersView.resizerElement()));this._updateCountersGraphToggle();this._detailsSplitWidget=new UI.SplitWidget(false,true,'timelinePanelDetailsSplitViewState');this._detailsSplitWidget.element.classList.add('timeline-details-split');this._detailsView=new Timeline.TimelineDetailsView(delegate);this._detailsSplitWidget.installResizer(this._detailsView.headerElement());this._detailsSplitWidget.setMainWidget(this._chartSplitWidget);this._detailsSplitWidget.setSidebarWidget(this._detailsView);this._detailsSplitWidget.show(this.element);this._onMainEntrySelected=this._onEntrySelected.bind(this,this._mainDataProvider);this._onNetworkEntrySelected=this._onEntrySelected.bind(this,this._networkDataProvider);this._mainFlameChart.addEventListener(PerfUI.FlameChart.Events.EntrySelected,this._onMainEntrySelected,this);this._networkFlameChart.addEventListener(PerfUI.FlameChart.Events.EntrySelected,this._onNetworkEntrySelected,this);this._mainFlameChart.addEventListener(PerfUI.FlameChart.Events.EntryHighlighted,this._onEntryHighlighted,this);this._nextExtensionIndex=0;this._boundRefresh=this._refresh.bind(this);this._selectedTrack=null;this._mainDataProvider.setEventColorMapping(Timeline.TimelineUIUtils.eventColor);this._groupBySetting=Common.settings.createSetting('timelineTreeGroupBy',Timeline.AggregatedTimelineTreeView.GroupBy.None);this._groupBySetting.addChangeListener(this._updateColorMapper,this);this._updateColorMapper();ProductRegistry.instance().then(registry=>this._productRegistry=registry);}
_updateColorMapper(){this._urlToColorCache=new Map();if(!this._model)
return;const colorByProduct=this._groupBySetting.get()===Timeline.AggregatedTimelineTreeView.GroupBy.Product;this._mainDataProvider.setEventColorMapping(colorByProduct?this._colorByProductForEvent.bind(this):Timeline.TimelineUIUtils.eventColor);this._mainFlameChart.update();}
_colorByProductForEvent(event){return Timeline.TimelineUIUtils.eventColorByProduct(this._productRegistry,this._model.timelineModel(),this._urlToColorCache,event);}
_onWindowChanged(event){const window=(event.data.window);const animate=!!event.data.animate;this._mainFlameChart.setWindowTimes(window.left,window.right,animate);this._networkFlameChart.setWindowTimes(window.left,window.right,animate);this._networkDataProvider.setWindowTimes(window.left,window.right);this._updateSearchResults(false,false);}
windowChanged(windowStartTime,windowEndTime,animate){this._model.setWindow({left:windowStartTime,right:windowEndTime},animate);}
updateRangeSelection(startTime,endTime){this._delegate.select(Timeline.TimelineSelection.fromRange(startTime,endTime));}
updateSelectedGroup(flameChart,group){if(flameChart!==this._mainFlameChart)
return;const track=group?this._mainDataProvider.groupTrack(group):null;this._selectedTrack=track;this._updateTrack();}
setModel(model){if(model===this._model)
return;Common.EventTarget.removeEventListeners(this._eventListeners);this._model=model;this._selectedTrack=null;this._mainDataProvider.setModel(this._model);this._networkDataProvider.setModel(this._model);if(this._model){this._eventListeners=[this._model.addEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onWindowChanged,this),this._model.addEventListener(Timeline.PerformanceModel.Events.ExtensionDataAdded,this._appendExtensionData,this)];const window=model.window();this._mainFlameChart.setWindowTimes(window.left,window.right);this._networkFlameChart.setWindowTimes(window.left,window.right);this._networkDataProvider.setWindowTimes(window.left,window.right);this._updateSearchResults(false,false);}
this._updateColorMapper();this._updateTrack();this._nextExtensionIndex=0;this._appendExtensionData();this._refresh();}
_updateTrack(){this._countersView.setModel(this._model,this._selectedTrack);this._detailsView.setModel(this._model,this._selectedTrack);}
_refresh(){if(this._networkDataProvider.isEmpty()){this._mainFlameChart.enableRuler(true);this._networkSplitWidget.hideSidebar();}else{this._mainFlameChart.enableRuler(false);this._networkSplitWidget.showBoth();this.resizeToPreferredHeights();}
this._mainFlameChart.reset();this._networkFlameChart.reset();this._updateSearchResults(false,false);}
_appendExtensionData(){if(!this._model)
return;const extensions=this._model.extensionInfo();while(this._nextExtensionIndex<extensions.length)
this._mainDataProvider.appendExtensionEvents(extensions[this._nextExtensionIndex++]);this._mainFlameChart.scheduleUpdate();}
_onEntryHighlighted(commonEvent){SDK.OverlayModel.hideDOMNodeHighlight();const entryIndex=(commonEvent.data);const event=this._mainDataProvider.eventByIndex(entryIndex);if(!event)
return;const target=this._model&&this._model.timelineModel().targetByEvent(event);if(!target)
return;const timelineData=TimelineModel.TimelineData.forEvent(event);const backendNodeId=timelineData.backendNodeId;if(!backendNodeId)
return;new SDK.DeferredDOMNode(target,backendNodeId).highlight();}
highlightEvent(event){const entryIndex=event?this._mainDataProvider.entryIndexForSelection(Timeline.TimelineSelection.fromTraceEvent(event)):-1;if(entryIndex>=0)
this._mainFlameChart.highlightEntry(entryIndex);else
this._mainFlameChart.hideHighlight();}
willHide(){this._networkFlameChartGroupExpansionSetting.removeChangeListener(this.resizeToPreferredHeights,this);this._showMemoryGraphSetting.removeChangeListener(this._updateCountersGraphToggle,this);Bindings.blackboxManager.removeChangeListener(this._boundRefresh);}
wasShown(){this._networkFlameChartGroupExpansionSetting.addChangeListener(this.resizeToPreferredHeights,this);this._showMemoryGraphSetting.addChangeListener(this._updateCountersGraphToggle,this);Bindings.blackboxManager.addChangeListener(this._boundRefresh);if(this._needsResizeToPreferredHeights)
this.resizeToPreferredHeights();this._mainFlameChart.scheduleUpdate();this._networkFlameChart.scheduleUpdate();}
_updateCountersGraphToggle(){if(this._showMemoryGraphSetting.get())
this._chartSplitWidget.showBoth();else
this._chartSplitWidget.hideSidebar();}
setSelection(selection){let index=this._mainDataProvider.entryIndexForSelection(selection);this._mainFlameChart.setSelectedEntry(index);index=this._networkDataProvider.entryIndexForSelection(selection);this._networkFlameChart.setSelectedEntry(index);if(this._detailsView)
this._detailsView.setSelection(selection);}
_onEntrySelected(dataProvider,event){const entryIndex=(event.data);if(Runtime.experiments.isEnabled('timelineEventInitiators')&&dataProvider===this._mainDataProvider){if(this._mainDataProvider.buildFlowForInitiator(entryIndex))
this._mainFlameChart.scheduleUpdate();}
this._delegate.select(dataProvider.createSelection(entryIndex));}
resizeToPreferredHeights(){if(!this.isShowing()){this._needsResizeToPreferredHeights=true;return;}
this._needsResizeToPreferredHeights=false;this._networkPane.element.classList.toggle('timeline-network-resizer-disabled',!this._networkDataProvider.isExpanded());this._networkSplitWidget.setSidebarSize(this._networkDataProvider.preferredHeight()+this._splitResizer.clientHeight+PerfUI.FlameChart.HeaderHeight+
2);}
setSearchableView(searchableView){this._searchableView=searchableView;}
jumpToNextSearchResult(){if(!this._searchResults||!this._searchResults.length)
return;const index=typeof this._selectedSearchResult!=='undefined'?this._searchResults.indexOf(this._selectedSearchResult):-1;this._selectSearchResult(mod(index+1,this._searchResults.length));}
jumpToPreviousSearchResult(){if(!this._searchResults||!this._searchResults.length)
return;const index=typeof this._selectedSearchResult!=='undefined'?this._searchResults.indexOf(this._selectedSearchResult):0;this._selectSearchResult(mod(index-1,this._searchResults.length));}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return true;}
_selectSearchResult(index){this._searchableView.updateCurrentMatchIndex(index);this._selectedSearchResult=this._searchResults[index];this._delegate.select(this._mainDataProvider.createSelection(this._selectedSearchResult));}
_updateSearchResults(shouldJump,jumpBackwards){const oldSelectedSearchResult=this._selectedSearchResult;delete this._selectedSearchResult;this._searchResults=[];if(!this._searchRegex||!this._model)
return;const regExpFilter=new Timeline.TimelineFilters.RegExp(this._searchRegex);const window=this._model.window();this._searchResults=this._mainDataProvider.search(window.left,window.right,regExpFilter);this._searchableView.updateSearchMatchesCount(this._searchResults.length);if(!shouldJump||!this._searchResults.length)
return;let selectedIndex=this._searchResults.indexOf(oldSelectedSearchResult);if(selectedIndex===-1)
selectedIndex=jumpBackwards?this._searchResults.length-1:0;this._selectSearchResult(selectedIndex);}
searchCanceled(){if(typeof this._selectedSearchResult!=='undefined')
this._delegate.select(null);delete this._searchResults;delete this._selectedSearchResult;delete this._searchRegex;}
performSearch(searchConfig,shouldJump,jumpBackwards){this._searchRegex=searchConfig.toSearchRegex();this._updateSearchResults(shouldJump,jumpBackwards);}};Timeline.TimelineFlameChartView.Selection=class{constructor(selection,entryIndex){this.timelineSelection=selection;this.entryIndex=entryIndex;}};Timeline.FlameChartStyle={textColor:'#333'};Timeline.TimelineFlameChartMarker=class{constructor(startTime,startOffset,style){this._startTime=startTime;this._startOffset=startOffset;this._style=style;}
startTime(){return this._startTime;}
color(){return this._style.color;}
title(){const startTime=Number.millisToString(this._startOffset);return Common.UIString('%s at %s',this._style.title,startTime);}
draw(context,x,height,pixelsPerMillisecond){const lowPriorityVisibilityThresholdInPixelsPerMs=4;if(this._style.lowPriority&&pixelsPerMillisecond<lowPriorityVisibilityThresholdInPixelsPerMs)
return;context.save();if(!this._style.lowPriority){context.strokeStyle=this._style.color;context.lineWidth=2;context.beginPath();context.moveTo(x,0);context.lineTo(x,height);context.stroke();}
if(this._style.tall){context.strokeStyle=this._style.color;context.lineWidth=this._style.lineWidth;context.translate(this._style.lineWidth<1||(this._style.lineWidth&1)?0.5:0,0.5);context.beginPath();context.moveTo(x,height);context.setLineDash(this._style.dashStyle);context.lineTo(x,context.canvas.height);context.stroke();}
context.restore();}};Timeline.TimelineFlameChartView._ColorBy={URL:'URL',Product:'Product'};;Timeline.TimelineHistoryManager=class{constructor(){this._recordings=[];this._action=(UI.actionRegistry.action('timeline.show-history'));this._nextNumberByDomain=new Map();this._button=new Timeline.TimelineHistoryManager.ToolbarButton(this._action);this.clear();this._allOverviews=[{constructor:Timeline.TimelineEventOverviewResponsiveness,height:3},{constructor:Timeline.TimelineEventOverviewFrames,height:16},{constructor:Timeline.TimelineEventOverviewCPUActivity,height:20},{constructor:Timeline.TimelineEventOverviewNetwork,height:8}];this._totalHeight=this._allOverviews.reduce((acc,entry)=>acc+entry.height,0);this._enabled=true;this._lastActiveModel=null;}
addRecording(performanceModel){this._lastActiveModel=performanceModel;this._recordings.unshift(performanceModel);this._buildPreview(performanceModel);this._button.setText(this._title(performanceModel));this._updateState();if(this._recordings.length<=Timeline.TimelineHistoryManager._maxRecordings)
return;const lruModel=this._recordings.reduce((a,b)=>lastUsedTime(a)<lastUsedTime(b)?a:b);this._recordings.splice(this._recordings.indexOf(lruModel),1);lruModel.dispose();function lastUsedTime(model){return Timeline.TimelineHistoryManager._dataForModel(model).lastUsed;}}
setEnabled(enabled){this._enabled=enabled;this._updateState();}
button(){return this._button;}
clear(){this._recordings.forEach(model=>model.dispose());this._recordings=[];this._lastActiveModel=null;this._updateState();this._button.setText(Common.UIString('(no recordings)'));this._nextNumberByDomain.clear();}
async showHistoryDropDown(){if(this._recordings.length<2||!this._enabled)
return null;const model=await Timeline.TimelineHistoryManager.DropDown.show(this._recordings,(this._lastActiveModel),this._button.element);if(!model)
return null;const index=this._recordings.indexOf(model);if(index<0){console.assert(false,`selected recording not found`);return null;}
this._setCurrentModel(model);return model;}
cancelIfShowing(){Timeline.TimelineHistoryManager.DropDown.cancelIfShowing();}
navigate(direction){if(!this._enabled||!this._lastActiveModel)
return null;const index=this._recordings.indexOf(this._lastActiveModel);if(index<0)
return null;const newIndex=Number.constrain(index+direction,0,this._recordings.length-1);const model=this._recordings[newIndex];this._setCurrentModel(model);return model;}
_setCurrentModel(model){Timeline.TimelineHistoryManager._dataForModel(model).lastUsed=Date.now();this._lastActiveModel=model;this._button.setText(this._title(model));}
_updateState(){this._action.setEnabled(this._recordings.length>1&&this._enabled);}
static _previewElement(performanceModel){const data=Timeline.TimelineHistoryManager._dataForModel(performanceModel);const startedAt=performanceModel.recordStartTime();data.time.textContent=startedAt?Common.UIString('(%s ago)',Timeline.TimelineHistoryManager._coarseAge(startedAt)):'';return data.preview;}
static _coarseAge(time){const seconds=Math.round((Date.now()-time)/1000);if(seconds<50)
return Common.UIString('moments');const minutes=Math.round(seconds/60);if(minutes<50)
return Common.UIString('%s m',minutes);const hours=Math.round(minutes/60);return Common.UIString('%s h',hours);}
_title(performanceModel){return Timeline.TimelineHistoryManager._dataForModel(performanceModel).title;}
_buildPreview(performanceModel){const parsedURL=performanceModel.timelineModel().pageURL().asParsedURL();const domain=parsedURL?parsedURL.host:'';const sequenceNumber=this._nextNumberByDomain.get(domain)||1;const title=Common.UIString('%s #%d',domain,sequenceNumber);this._nextNumberByDomain.set(domain,sequenceNumber+1);const timeElement=createElement('span');const preview=createElementWithClass('div','preview-item vbox');const data={preview:preview,title:title,time:timeElement,lastUsed:Date.now()};performanceModel[Timeline.TimelineHistoryManager._previewDataSymbol]=data;preview.appendChild(this._buildTextDetails(performanceModel,title,timeElement));const screenshotAndOverview=preview.createChild('div','hbox');screenshotAndOverview.appendChild(this._buildScreenshotThumbnail(performanceModel));screenshotAndOverview.appendChild(this._buildOverview(performanceModel));return data.preview;}
_buildTextDetails(performanceModel,title,timeElement){const container=createElementWithClass('div','text-details hbox');container.createChild('span','name').textContent=title;const tracingModel=performanceModel.tracingModel();const duration=Number.millisToString(tracingModel.maximumRecordTime()-tracingModel.minimumRecordTime(),false);const timeContainer=container.createChild('span','time');timeContainer.appendChild(createTextNode(duration));timeContainer.appendChild(timeElement);return container;}
_buildScreenshotThumbnail(performanceModel){const container=createElementWithClass('div','screenshot-thumb');const thumbnailAspectRatio=3/2;container.style.width=this._totalHeight*thumbnailAspectRatio+'px';container.style.height=this._totalHeight+'px';const filmStripModel=performanceModel.filmStripModel();const lastFrame=filmStripModel.frames().peekLast();if(!lastFrame)
return container;lastFrame.imageDataPromise().then(data=>UI.loadImageFromData(data)).then(image=>image&&container.appendChild(image));return container;}
_buildOverview(performanceModel){const container=createElement('div');container.style.width=Timeline.TimelineHistoryManager._previewWidth+'px';container.style.height=this._totalHeight+'px';const canvas=container.createChild('canvas');canvas.width=window.devicePixelRatio*Timeline.TimelineHistoryManager._previewWidth;canvas.height=window.devicePixelRatio*this._totalHeight;const ctx=canvas.getContext('2d');let yOffset=0;for(const overview of this._allOverviews){const timelineOverview=new overview.constructor();timelineOverview.setCanvasSize(Timeline.TimelineHistoryManager._previewWidth,overview.height);timelineOverview.setModel(performanceModel);timelineOverview.update();const sourceContext=timelineOverview.context();const imageData=sourceContext.getImageData(0,0,sourceContext.canvas.width,sourceContext.canvas.height);ctx.putImageData(imageData,0,yOffset);yOffset+=overview.height*window.devicePixelRatio;}
return container;}
static _dataForModel(model){return model[Timeline.TimelineHistoryManager._previewDataSymbol]||null;}};Timeline.TimelineHistoryManager.PreviewData;Timeline.TimelineHistoryManager._maxRecordings=5;Timeline.TimelineHistoryManager._previewWidth=450;Timeline.TimelineHistoryManager._previewDataSymbol=Symbol('previewData');Timeline.TimelineHistoryManager.DropDown=class{constructor(models){this._glassPane=new UI.GlassPane();this._glassPane.setSizeBehavior(UI.GlassPane.SizeBehavior.MeasureContent);this._glassPane.setOutsideClickCallback(()=>this._close(null));this._glassPane.setPointerEventsBehavior(UI.GlassPane.PointerEventsBehavior.BlockedByGlassPane);this._glassPane.setAnchorBehavior(UI.GlassPane.AnchorBehavior.PreferBottom);const shadowRoot=UI.createShadowRootWithCoreStyles(this._glassPane.contentElement,'timeline/timelineHistoryManager.css');const contentElement=shadowRoot.createChild('div','drop-down');const listModel=new UI.ListModel();this._listControl=new UI.ListControl(listModel,this,UI.ListMode.NonViewport);this._listControl.element.addEventListener('mousemove',this._onMouseMove.bind(this),false);listModel.replaceAll(models);contentElement.appendChild(this._listControl.element);contentElement.addEventListener('keydown',this._onKeyDown.bind(this),false);contentElement.addEventListener('click',this._onClick.bind(this),false);this._selectionDone=null;}
static show(models,currentModel,anchor){if(Timeline.TimelineHistoryManager.DropDown._instance)
return Promise.resolve((null));const instance=new Timeline.TimelineHistoryManager.DropDown(models);return instance._show(anchor,currentModel);}
static cancelIfShowing(){if(!Timeline.TimelineHistoryManager.DropDown._instance)
return;Timeline.TimelineHistoryManager.DropDown._instance._close(null);}
_show(anchor,currentModel){Timeline.TimelineHistoryManager.DropDown._instance=this;this._glassPane.setContentAnchorBox(anchor.boxInWindow());this._glassPane.show((this._glassPane.contentElement.ownerDocument));this._listControl.element.focus();this._listControl.selectItem(currentModel);return new Promise(fulfill=>this._selectionDone=fulfill);}
_onMouseMove(event){const node=event.target.enclosingNodeOrSelfWithClass('preview-item');const listItem=node&&this._listControl.itemForNode(node);if(!listItem)
return;this._listControl.selectItem(listItem);}
_onClick(event){if(!event.target.enclosingNodeOrSelfWithClass('preview-item'))
return;this._close(this._listControl.selectedItem());}
_onKeyDown(event){switch(event.key){case'Escape':this._close(null);break;case'Enter':this._close(this._listControl.selectedItem());break;default:return;}
event.consume(true);}
_close(model){this._selectionDone(model);this._glassPane.hide();Timeline.TimelineHistoryManager.DropDown._instance=null;}
createElementForItem(item){const element=Timeline.TimelineHistoryManager._previewElement(item);element.classList.remove('selected');return element;}
heightForItem(item){console.assert(false,'Should not be called');return 0;}
isItemSelectable(item){return true;}
selectedItemChanged(from,to,fromElement,toElement){if(fromElement)
fromElement.classList.remove('selected');if(toElement)
toElement.classList.add('selected');}};Timeline.TimelineHistoryManager.DropDown._instance=null;Timeline.TimelineHistoryManager.ToolbarButton=class extends UI.ToolbarItem{constructor(action){super(createElementWithClass('button','dropdown-button'));const shadowRoot=UI.createShadowRootWithCoreStyles(this.element,'timeline/historyToolbarButton.css');this._contentElement=shadowRoot.createChild('span','content');const dropdownArrowIcon=UI.Icon.create('smallicon-triangle-down');shadowRoot.appendChild(dropdownArrowIcon);this.element.addEventListener('click',()=>void action.execute(),false);this.setEnabled(action.enabled());action.addEventListener(UI.Action.Events.Enabled,event=>this.setEnabled((event.data)));}
setText(text){this._contentElement.textContent=text;}};;Timeline.TimelineTreeView=class extends UI.VBox{constructor(){super();this._model=null;this._track=null;this._tree=null;this.element.classList.add('timeline-tree-view');}
static eventNameForSorting(event){if(event.name===TimelineModel.TimelineModel.RecordType.JSFrame){const data=event.args['data'];return data['functionName']+'@'+(data['scriptId']||data['url']||'');}
return event.name+':@'+TimelineModel.TimelineProfileTree.eventURL(event);}
setSearchableView(searchableView){this._searchableView=searchableView;}
setModel(model,track){this._model=model;this._track=track;this.refreshTree();}
model(){return this._model;}
init(){this._linkifier=new Components.Linkifier();this._textFilter=new Timeline.TimelineFilters.RegExp();this._currentThreadSetting=Common.settings.createSetting('timelineTreeCurrentThread',0);this._currentThreadSetting.addChangeListener(this.refreshTree,this);const columns=([]);this.populateColumns(columns);this._splitWidget=new UI.SplitWidget(true,true,'timelineTreeViewDetailsSplitWidget');const mainView=new UI.VBox();const toolbar=new UI.Toolbar('',mainView.element);this.populateToolbar(toolbar);this._dataGrid=new DataGrid.SortableDataGrid(columns);this._dataGrid.addEventListener(DataGrid.DataGrid.Events.SortingChanged,this._sortingChanged,this);this._dataGrid.element.addEventListener('mousemove',this._onMouseMove.bind(this),true);this._dataGrid.setResizeMethod(DataGrid.DataGrid.ResizeMethod.Last);this._dataGrid.setRowContextMenuCallback(this._onContextMenu.bind(this));this._dataGrid.asWidget().show(mainView.element);this._dataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._updateDetailsForSelection,this);this._detailsView=new UI.VBox();this._detailsView.element.classList.add('timeline-details-view','timeline-details-view-body');this._splitWidget.setMainWidget(mainView);this._splitWidget.setSidebarWidget(this._detailsView);this._splitWidget.hideSidebar();this._splitWidget.show(this.element);this._splitWidget.addEventListener(UI.SplitWidget.Events.ShowModeChanged,this._onShowModeChanged,this);this._lastSelectedNode;}
lastSelectedNode(){return this._lastSelectedNode;}
updateContents(selection){this.setRange(selection.startTime(),selection.endTime());}
setRange(startTime,endTime){this._startTime=startTime;this._endTime=endTime;this.refreshTree();}
filters(){return[this._textFilter,...this._model.filters()];}
_exposePercentages(){return false;}
populateToolbar(toolbar){this._textFilterUI=new UI.ToolbarInput(Common.UIString('Filter'));this._textFilterUI.addEventListener(UI.ToolbarInput.Event.TextChanged,textFilterChanged,this);toolbar.appendToolbarItem(this._textFilterUI);function textFilterChanged(){const searchQuery=this._textFilterUI.value();this._textFilter.setRegExp(searchQuery?createPlainTextSearchRegex(searchQuery,'i'):null);this.refreshTree();}}
_modelEvents(){return this._track?this._track.syncEvents():[];}
_onHover(node){}
_appendContextMenuItems(contextMenu,node){}
_linkifyLocation(event){const target=this._model.timelineModel().targetByEvent(event);if(!target)
return null;const frame=TimelineModel.TimelineProfileTree.eventStackFrame(event);if(!frame)
return null;return this._linkifier.maybeLinkifyConsoleCallFrame(target,frame);}
selectProfileNode(treeNode,suppressSelectedEvent){const pathToRoot=[];for(let node=treeNode;node;node=node.parent)
pathToRoot.push(node);for(let i=pathToRoot.length-1;i>0;--i){const gridNode=this.dataGridNodeForTreeNode(pathToRoot[i]);if(gridNode&&gridNode.dataGrid)
gridNode.expand();}
const gridNode=this.dataGridNodeForTreeNode(treeNode);if(gridNode.dataGrid){gridNode.reveal();gridNode.select(suppressSelectedEvent);}}
refreshTree(){this._linkifier.reset();this._dataGrid.rootNode().removeChildren();if(!this._model){this._updateDetailsForSelection();return;}
this._root=this._buildTree();const children=this._root.children();let maxSelfTime=0;let maxTotalTime=0;const totalUsedTime=this._root.totalTime-this._root.selfTime;for(const child of children.values()){maxSelfTime=Math.max(maxSelfTime,child.selfTime);maxTotalTime=Math.max(maxTotalTime,child.totalTime);}
for(const child of children.values()){const gridNode=new Timeline.TimelineTreeView.TreeGridNode(child,totalUsedTime,maxSelfTime,maxTotalTime,this);this._dataGrid.insertChild(gridNode);}
this._sortingChanged();this._updateDetailsForSelection();if(this._searchableView)
this._searchableView.refreshSearch();}
_buildTree(){throw new Error('Not Implemented');}
buildTopDownTree(doNotAggregate,groupIdCallback){return new TimelineModel.TimelineProfileTree.TopDownRootNode(this._modelEvents(),this.filters(),this._startTime,this._endTime,doNotAggregate,groupIdCallback);}
populateColumns(columns){columns.push({id:'self',title:Common.UIString('Self Time'),width:'120px',fixedWidth:true,sortable:true});columns.push({id:'total',title:Common.UIString('Total Time'),width:'120px',fixedWidth:true,sortable:true});columns.push({id:'activity',title:Common.UIString('Activity'),disclosure:true,sortable:true});}
_sortingChanged(){const columnId=this._dataGrid.sortColumnId();if(!columnId)
return;let sortFunction;switch(columnId){case'startTime':sortFunction=compareStartTime;break;case'self':sortFunction=compareNumericField.bind(null,'selfTime');break;case'total':sortFunction=compareNumericField.bind(null,'totalTime');break;case'activity':sortFunction=compareName;break;default:console.assert(false,'Unknown sort field: '+columnId);return;}
this._dataGrid.sortNodes(sortFunction,!this._dataGrid.isSortOrderAscending());function compareNumericField(field,a,b){const nodeA=(a);const nodeB=(b);return nodeA._profileNode[field]-nodeB._profileNode[field];}
function compareStartTime(a,b){const nodeA=(a);const nodeB=(b);return nodeA._profileNode.event.startTime-nodeB._profileNode.event.startTime;}
function compareName(a,b){const nodeA=(a);const nodeB=(b);const nameA=Timeline.TimelineTreeView.eventNameForSorting(nodeA._profileNode.event);const nameB=Timeline.TimelineTreeView.eventNameForSorting(nodeB._profileNode.event);return nameA.localeCompare(nameB);}}
_onShowModeChanged(){if(this._splitWidget.showMode()===UI.SplitWidget.ShowMode.OnlyMain)
return;this._lastSelectedNode=undefined;this._updateDetailsForSelection();}
_updateDetailsForSelection(){const selectedNode=this._dataGrid.selectedNode?(this._dataGrid.selectedNode)._profileNode:null;if(selectedNode===this._lastSelectedNode)
return;this._lastSelectedNode=selectedNode;if(this._splitWidget.showMode()===UI.SplitWidget.ShowMode.OnlyMain)
return;this._detailsView.detachChildWidgets();this._detailsView.element.removeChildren();if(selectedNode&&this._showDetailsForNode(selectedNode))
return;const banner=this._detailsView.element.createChild('div','full-widget-dimmed-banner');banner.createTextChild(Common.UIString('Select item for details.'));}
_showDetailsForNode(node){return false;}
_onMouseMove(event){const gridNode=event.target&&(event.target instanceof Node)?(this._dataGrid.dataGridNodeFromNode((event.target))):null;const profileNode=gridNode&&gridNode._profileNode;if(profileNode===this._lastHoveredProfileNode)
return;this._lastHoveredProfileNode=profileNode;this._onHover(profileNode);}
_onContextMenu(contextMenu,gridNode){const profileNode=gridNode._profileNode;if(!profileNode)
return;this._appendContextMenuItems(contextMenu,profileNode);}
dataGridNodeForTreeNode(treeNode){return treeNode[Timeline.TimelineTreeView.TreeGridNode._gridNodeSymbol]||null;}
searchCanceled(){this._searchResults=[];this._currentResult=0;}
performSearch(searchConfig,shouldJump,jumpBackwards){this._searchResults=[];this._currentResult=0;if(!this._root)
return;const searchRegex=searchConfig.toSearchRegex();this._searchResults=this._root.searchTree(event=>Timeline.TimelineUIUtils.testContentMatching(event,searchRegex));this._searchableView.updateSearchMatchesCount(this._searchResults.length);}
jumpToNextSearchResult(){if(!this._searchResults.length)
return;this.selectProfileNode(this._searchResults[this._currentResult],false);this._currentResult=mod(this._currentResult+1,this._searchResults.length);}
jumpToPreviousSearchResult(){if(!this._searchResults.length)
return;this.selectProfileNode(this._searchResults[this._currentResult],false);this._currentResult=mod(this._currentResult-1,this._searchResults.length);}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return true;}};Timeline.TimelineTreeView.GridNode=class extends DataGrid.SortableDataGridNode{constructor(profileNode,grandTotalTime,maxSelfTime,maxTotalTime,treeView){super(null,false);this._populated=false;this._profileNode=profileNode;this._treeView=treeView;this._grandTotalTime=grandTotalTime;this._maxSelfTime=maxSelfTime;this._maxTotalTime=maxTotalTime;}
createCell(columnId){if(columnId==='activity')
return this._createNameCell(columnId);return this._createValueCell(columnId)||super.createCell(columnId);}
_createNameCell(columnId){const cell=this.createTD(columnId);const container=cell.createChild('div','name-container');const iconContainer=container.createChild('div','activity-icon-container');const icon=iconContainer.createChild('div','activity-icon');const name=container.createChild('div','activity-name');const event=this._profileNode.event;if(this._profileNode.isGroupNode()){const treeView=(this._treeView);const info=treeView._displayInfoForGroupNode(this._profileNode);name.textContent=info.name;icon.style.backgroundColor=info.color;if(info.icon)
iconContainer.insertBefore(info.icon,icon);}else if(event){const data=event.args['data'];const deoptReason=data&&data['deoptReason'];if(deoptReason)
container.createChild('div','activity-warning').title=Common.UIString('Not optimized: %s',deoptReason);name.textContent=Timeline.TimelineUIUtils.eventTitle(event);const link=this._treeView._linkifyLocation(event);if(link)
container.createChild('div','activity-link').appendChild(link);icon.style.backgroundColor=Timeline.TimelineUIUtils.eventColor(event);}
return cell;}
_createValueCell(columnId){if(columnId!=='self'&&columnId!=='total'&&columnId!=='startTime')
return null;let showPercents=false;let value;let maxTime;switch(columnId){case'startTime':value=this._profileNode.event.startTime-this._treeView._model.timelineModel().minimumRecordTime();break;case'self':value=this._profileNode.selfTime;maxTime=this._maxSelfTime;showPercents=true;break;case'total':value=this._profileNode.totalTime;maxTime=this._maxTotalTime;showPercents=true;break;default:return null;}
const cell=this.createTD(columnId);cell.className='numeric-column';const textDiv=cell.createChild('div');textDiv.createChild('span').textContent=Common.UIString('%.1f\xa0ms',value);if(showPercents&&this._treeView._exposePercentages()){textDiv.createChild('span','percent-column').textContent=Common.UIString('%.1f\xa0%%',value/this._grandTotalTime*100);}
if(maxTime){textDiv.classList.add('background-percent-bar');cell.createChild('div','background-bar-container').createChild('div','background-bar').style.width=(value*100/maxTime).toFixed(1)+'%';}
return cell;}};Timeline.TimelineTreeView.TreeGridNode=class extends Timeline.TimelineTreeView.GridNode{constructor(profileNode,grandTotalTime,maxSelfTime,maxTotalTime,treeView){super(profileNode,grandTotalTime,maxSelfTime,maxTotalTime,treeView);this.setHasChildren(this._profileNode.hasChildren());profileNode[Timeline.TimelineTreeView.TreeGridNode._gridNodeSymbol]=this;}
populate(){if(this._populated)
return;this._populated=true;if(!this._profileNode.children)
return;for(const node of this._profileNode.children().values()){const gridNode=new Timeline.TimelineTreeView.TreeGridNode(node,this._grandTotalTime,this._maxSelfTime,this._maxTotalTime,this._treeView);this.insertChildOrdered(gridNode);}}};Timeline.TimelineTreeView.TreeGridNode._gridNodeSymbol=Symbol('treeGridNode');Timeline.AggregatedTimelineTreeView=class extends Timeline.TimelineTreeView{constructor(){super();this._groupBySetting=Common.settings.createSetting('timelineTreeGroupBy',Timeline.AggregatedTimelineTreeView.GroupBy.None);this._groupBySetting.addChangeListener(this.refreshTree.bind(this));this.init();this._stackView=new Timeline.TimelineStackView(this);this._stackView.addEventListener(Timeline.TimelineStackView.Events.SelectionChanged,this._onStackViewSelectionChanged,this);this._badgePool=new ProductRegistry.BadgePool(true);this._productByURLCache=new Map();this._colorByURLCache=new Map();ProductRegistry.instance().then(registry=>{this._productRegistry=registry;this.refreshTree();});}
setModel(model,track){this._badgePool.reset();super.setModel(model,track);}
updateContents(selection){this._updateExtensionResolver();super.updateContents(selection);const rootNode=this._dataGrid.rootNode();if(rootNode.children.length)
rootNode.children[0].revealAndSelect();}
_updateExtensionResolver(){this._executionContextNamesByOrigin=new Map();for(const runtimeModel of SDK.targetManager.models(SDK.RuntimeModel)){for(const context of runtimeModel.executionContexts())
this._executionContextNamesByOrigin.set(context.origin,context.name);}}
_beautifyDomainName(name){if(Timeline.AggregatedTimelineTreeView._isExtensionInternalURL(name))
name=Common.UIString('[Chrome extensions overhead]');else if(Timeline.AggregatedTimelineTreeView._isV8NativeURL(name))
name=Common.UIString('[V8 Runtime]');else if(name.startsWith('chrome-extension'))
name=this._executionContextNamesByOrigin.get(name)||name;return name;}
_displayInfoForGroupNode(node){const categories=Timeline.TimelineUIUtils.categories();let color=node.id?Timeline.TimelineUIUtils.eventColor((node.event)):categories['other'].color;const unattributed=Common.UIString('[unattributed]');switch(this._groupBySetting.get()){case Timeline.AggregatedTimelineTreeView.GroupBy.Category:{const category=categories[node.id]||categories['other'];return{name:category.title,color:category.color};}
case Timeline.AggregatedTimelineTreeView.GroupBy.Domain:case Timeline.AggregatedTimelineTreeView.GroupBy.Subdomain:{let domainName=this._beautifyDomainName(node.id);if(domainName){const productName=this._productByEvent((node.event));if(productName)
domainName+=' \u2014 '+productName;}
return{name:domainName||unattributed,color:color};}
case Timeline.AggregatedTimelineTreeView.GroupBy.EventName:{const name=node.event.name===TimelineModel.TimelineModel.RecordType.JSFrame?Common.UIString('JavaScript'):Timeline.TimelineUIUtils.eventTitle(node.event);return{name:name,color:node.event.name===TimelineModel.TimelineModel.RecordType.JSFrame?Timeline.TimelineUIUtils.eventStyle(node.event).category.color:color};}
case Timeline.AggregatedTimelineTreeView.GroupBy.Product:{const event=(node.event);const info=this._productAndBadgeByEvent(event);const name=info&&info.name||unattributed;color=Timeline.TimelineUIUtils.eventColorByProduct(this._productRegistry,this._model.timelineModel(),this._colorByURLCache,event);return{name:name,color:color,icon:info&&info.badge||undefined};}
case Timeline.AggregatedTimelineTreeView.GroupBy.URL:break;case Timeline.AggregatedTimelineTreeView.GroupBy.Frame:{const frame=this._model.timelineModel().pageFrameById(node.id);const frameName=frame?Timeline.TimelineUIUtils.displayNameForFrame(frame,80):Common.UIString('Page');return{name:frameName,color:color};}
default:console.assert(false,'Unexpected grouping type');}
return{name:node.id||unattributed,color:color};}
populateToolbar(toolbar){super.populateToolbar(toolbar);const groupBy=Timeline.AggregatedTimelineTreeView.GroupBy;const options=[{label:Common.UIString('No Grouping'),value:groupBy.None},{label:Common.UIString('Group by Activity'),value:groupBy.EventName},{label:Common.UIString('Group by Category'),value:groupBy.Category},{label:Common.UIString('Group by Domain'),value:groupBy.Domain},{label:Common.UIString('Group by Frame'),value:groupBy.Frame},{label:Common.UIString('Group by Product'),value:groupBy.Product},{label:Common.UIString('Group by Subdomain'),value:groupBy.Subdomain},{label:Common.UIString('Group by URL'),value:groupBy.URL},];toolbar.appendToolbarItem(new UI.ToolbarSettingComboBox(options,this._groupBySetting));toolbar.appendSpacer();toolbar.appendToolbarItem(this._splitWidget.createShowHideSidebarButton(Common.UIString('heaviest stack')));}
_buildHeaviestStack(treeNode){console.assert(!!treeNode.parent,'Attempt to build stack for tree root');let result=[];for(let node=treeNode;node&&node.parent;node=node.parent)
result.push(node);result=result.reverse();for(let node=treeNode;node&&node.children()&&node.children().size;){const children=Array.from(node.children().values());node=children.reduce((a,b)=>a.totalTime>b.totalTime?a:b);result.push(node);}
return result;}
_exposePercentages(){return true;}
_onStackViewSelectionChanged(){const treeNode=this._stackView.selectedTreeNode();if(treeNode)
this.selectProfileNode(treeNode,true);}
_showDetailsForNode(node){const stack=this._buildHeaviestStack(node);this._stackView.setStack(stack,node);this._stackView.show(this._detailsView.element);return true;}
_groupingFunction(groupBy){const GroupBy=Timeline.AggregatedTimelineTreeView.GroupBy;switch(groupBy){case GroupBy.None:return null;case GroupBy.EventName:return event=>Timeline.TimelineUIUtils.eventStyle(event).title;case GroupBy.Category:return event=>Timeline.TimelineUIUtils.eventStyle(event).category.name;case GroupBy.Subdomain:return this._domainByEvent.bind(this,false);case GroupBy.Domain:return this._domainByEvent.bind(this,true);case GroupBy.Product:return event=>this._productByEvent(event)||this._domainByEvent(true,event)||'';case GroupBy.URL:return event=>TimelineModel.TimelineProfileTree.eventURL(event)||'';case GroupBy.Frame:return event=>TimelineModel.TimelineData.forEvent(event).frameId;default:console.assert(false,`Unexpected aggregation setting: ${groupBy}`);return null;}}
_domainByEvent(groupSubdomains,event){const url=TimelineModel.TimelineProfileTree.eventURL(event);if(!url)
return'';if(Timeline.AggregatedTimelineTreeView._isExtensionInternalURL(url))
return Timeline.AggregatedTimelineTreeView._extensionInternalPrefix;if(Timeline.AggregatedTimelineTreeView._isV8NativeURL(url))
return Timeline.AggregatedTimelineTreeView._v8NativePrefix;const parsedURL=url.asParsedURL();if(!parsedURL)
return'';if(parsedURL.scheme==='chrome-extension')
return parsedURL.scheme+'://'+parsedURL.host;if(!groupSubdomains)
return parsedURL.host;if(/^[.0-9]+$/.test(parsedURL.host))
return parsedURL.host;const domainMatch=/([^.]*\.)?[^.]*$/.exec(parsedURL.host);return domainMatch&&domainMatch[0]||'';}
_productByEvent(event){const url=TimelineModel.TimelineProfileTree.eventURL(event);if(!url)
return'';if(this._productByURLCache.has(url))
return this._productByURLCache.get(url);if(!this._productRegistry)
return'';const parsedURL=url.asParsedURL();const name=parsedURL&&this._productRegistry.nameForUrl(parsedURL)||'';this._productByURLCache.set(url,name);return name;}
_productAndBadgeByEvent(event){const url=TimelineModel.TimelineProfileTree.eventURL(event);if(!url||!this._productRegistry)
return null;const parsedURL=url.asParsedURL();const name=parsedURL&&this._productRegistry.nameForUrl(parsedURL)||this._domainByEvent(true,event);if(!name)
return null;const icon=parsedURL&&this._badgePool.badgeForURL(parsedURL);return{name:this._beautifyDomainName(name),badge:icon};}
_appendContextMenuItems(contextMenu,node){if(this._groupBySetting.get()!==Timeline.AggregatedTimelineTreeView.GroupBy.Frame)
return;if(!node.isGroupNode())
return;const frame=this._model.timelineModel().pageFrameById(node.id);if(!frame||!frame.ownerNode)
return;contextMenu.appendApplicableItems(frame.ownerNode);}
static _isExtensionInternalURL(url){return url.startsWith(Timeline.AggregatedTimelineTreeView._extensionInternalPrefix);}
static _isV8NativeURL(url){return url.startsWith(Timeline.AggregatedTimelineTreeView._v8NativePrefix);}};Timeline.AggregatedTimelineTreeView._extensionInternalPrefix='extensions::';Timeline.AggregatedTimelineTreeView._v8NativePrefix='native ';Timeline.AggregatedTimelineTreeView.GroupBy={None:'None',EventName:'EventName',Category:'Category',Domain:'Domain',Subdomain:'Subdomain',Product:'Product',URL:'URL',Frame:'Frame'};Timeline.CallTreeTimelineTreeView=class extends Timeline.AggregatedTimelineTreeView{constructor(){super();this._dataGrid.markColumnAsSortedBy('total',DataGrid.DataGrid.Order.Descending);}
_buildTree(){const grouping=this._groupBySetting.get();return this.buildTopDownTree(false,this._groupingFunction(grouping));}};Timeline.BottomUpTimelineTreeView=class extends Timeline.AggregatedTimelineTreeView{constructor(){super();this._dataGrid.markColumnAsSortedBy('self',DataGrid.DataGrid.Order.Descending);}
_buildTree(){return new TimelineModel.TimelineProfileTree.BottomUpRootNode(this._modelEvents(),this.filters(),this._startTime,this._endTime,this._groupingFunction(this._groupBySetting.get()));}};Timeline.TimelineStackView=class extends UI.VBox{constructor(treeView){super();const header=this.element.createChild('div','timeline-stack-view-header');header.textContent=Common.UIString('Heaviest stack');this._treeView=treeView;const columns=([{id:'total',title:Common.UIString('Total Time'),fixedWidth:true,width:'110px'},{id:'activity',title:Common.UIString('Activity')}]);this._dataGrid=new DataGrid.ViewportDataGrid(columns);this._dataGrid.setResizeMethod(DataGrid.DataGrid.ResizeMethod.Last);this._dataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._onSelectionChanged,this);this._dataGrid.asWidget().show(this.element);}
setStack(stack,selectedNode){const rootNode=this._dataGrid.rootNode();rootNode.removeChildren();let nodeToReveal=null;const totalTime=Math.max.apply(Math,stack.map(node=>node.totalTime));for(const node of stack){const gridNode=new Timeline.TimelineTreeView.GridNode(node,totalTime,totalTime,totalTime,this._treeView);rootNode.appendChild(gridNode);if(node===selectedNode)
nodeToReveal=gridNode;}
nodeToReveal.revealAndSelect();}
selectedTreeNode(){const selectedNode=this._dataGrid.selectedNode;return selectedNode&&(selectedNode)._profileNode;}
_onSelectionChanged(){this.dispatchEventToListeners(Timeline.TimelineStackView.Events.SelectionChanged);}};Timeline.TimelineStackView.Events={SelectionChanged:Symbol('SelectionChanged')};;Timeline.EventsTimelineTreeView=class extends Timeline.TimelineTreeView{constructor(delegate){super();this._filtersControl=new Timeline.EventsTimelineTreeView.Filters();this._filtersControl.addEventListener(Timeline.EventsTimelineTreeView.Filters.Events.FilterChanged,this._onFilterChanged,this);this.init();this._delegate=delegate;this._badgePool=new ProductRegistry.BadgePool(true);this._dataGrid.markColumnAsSortedBy('startTime',DataGrid.DataGrid.Order.Ascending);this._splitWidget.showBoth();}
filters(){return[...super.filters(),...this._filtersControl.filters()];}
updateContents(selection){this._badgePool.reset();super.updateContents(selection);if(selection.type()===Timeline.TimelineSelection.Type.TraceEvent){const event=(selection.object());this._selectEvent(event,true);}}
_buildTree(){this._currentTree=this.buildTopDownTree(true,null);return this._currentTree;}
_onFilterChanged(){const selectedEvent=this.lastSelectedNode()&&this.lastSelectedNode().event;this.refreshTree();if(selectedEvent)
this._selectEvent(selectedEvent,false);}
_findNodeWithEvent(event){const iterators=[this._currentTree.children().values()];while(iterators.length){const iterator=iterators.peekLast().next();if(iterator.done){iterators.pop();continue;}
const child=(iterator.value);if(child.event===event)
return child;iterators.push(child.children().values());}
return null;}
_selectEvent(event,expand){const node=this._findNodeWithEvent(event);if(!node)
return;this.selectProfileNode(node,false);if(expand)
this.dataGridNodeForTreeNode(node).expand();}
populateColumns(columns){columns.push({id:'startTime',title:Common.UIString('Start Time'),width:'80px',fixedWidth:true,sortable:true});super.populateColumns(columns);columns.filter(c=>c.fixedWidth).forEach(c=>c.width='80px');}
populateToolbar(toolbar){super.populateToolbar(toolbar);this._filtersControl.populateToolbar(toolbar);}
_showDetailsForNode(node){const traceEvent=node.event;if(!traceEvent)
return false;Timeline.TimelineUIUtils.buildTraceEventDetails(traceEvent,this.model().timelineModel(),this._linkifier,this._badgePool,false).then(fragment=>this._detailsView.element.appendChild(fragment));return true;}
_onHover(node){this._delegate.highlightEvent(node&&node.event);}};Timeline.EventsTimelineTreeView.Filters=class extends Common.Object{constructor(){super();this._categoryFilter=new Timeline.TimelineFilters.Category();this._durationFilter=new Timeline.TimelineFilters.IsLong();this._filters=[this._categoryFilter,this._durationFilter];}
filters(){return this._filters;}
populateToolbar(toolbar){const durationFilterUI=new UI.ToolbarComboBox(durationFilterChanged.bind(this));for(const durationMs of Timeline.EventsTimelineTreeView.Filters._durationFilterPresetsMs){durationFilterUI.addOption(durationFilterUI.createOption(durationMs?Common.UIString('\u2265 %d\xa0ms',durationMs):Common.UIString('All'),durationMs?Common.UIString('Hide records shorter than %d\xa0ms',durationMs):Common.UIString('Show all records'),String(durationMs)));}
toolbar.appendToolbarItem(durationFilterUI);const categoryFiltersUI={};const categories=Timeline.TimelineUIUtils.categories();for(const categoryName in categories){const category=categories[categoryName];if(!category.visible)
continue;const checkbox=new UI.ToolbarCheckbox(category.title,undefined,categoriesFilterChanged.bind(this,categoryName));checkbox.setChecked(true);checkbox.inputElement.style.backgroundColor=category.color;categoryFiltersUI[category.name]=checkbox;toolbar.appendToolbarItem(checkbox);}
function durationFilterChanged(){const duration=durationFilterUI.selectedOption().value;const minimumRecordDuration=parseInt(duration,10);this._durationFilter.setMinimumRecordDuration(minimumRecordDuration);this._notifyFiltersChanged();}
function categoriesFilterChanged(name){const categories=Timeline.TimelineUIUtils.categories();categories[name].hidden=!categoryFiltersUI[name].checked();this._notifyFiltersChanged();}}
_notifyFiltersChanged(){this.dispatchEventToListeners(Timeline.EventsTimelineTreeView.Filters.Events.FilterChanged);}};Timeline.EventsTimelineTreeView.Filters._durationFilterPresetsMs=[0,1,15];Timeline.EventsTimelineTreeView.Filters.Events={FilterChanged:Symbol('FilterChanged')};;Timeline.TimelineUIUtils=class{static _initEventStyles(){if(Timeline.TimelineUIUtils._eventStylesMap)
return Timeline.TimelineUIUtils._eventStylesMap;const recordTypes=TimelineModel.TimelineModel.RecordType;const categories=Timeline.TimelineUIUtils.categories();const eventStyles={};eventStyles[recordTypes.Task]=new Timeline.TimelineRecordStyle(Common.UIString('Task'),categories['other']);eventStyles[recordTypes.Program]=new Timeline.TimelineRecordStyle(Common.UIString('Other'),categories['other']);eventStyles[recordTypes.Animation]=new Timeline.TimelineRecordStyle(Common.UIString('Animation'),categories['rendering']);eventStyles[recordTypes.EventDispatch]=new Timeline.TimelineRecordStyle(Common.UIString('Event'),categories['scripting']);eventStyles[recordTypes.RequestMainThreadFrame]=new Timeline.TimelineRecordStyle(Common.UIString('Request Main Thread Frame'),categories['rendering'],true);eventStyles[recordTypes.BeginFrame]=new Timeline.TimelineRecordStyle(Common.UIString('Frame Start'),categories['rendering'],true);eventStyles[recordTypes.BeginMainThreadFrame]=new Timeline.TimelineRecordStyle(Common.UIString('Frame Start (main thread)'),categories['rendering'],true);eventStyles[recordTypes.DrawFrame]=new Timeline.TimelineRecordStyle(Common.UIString('Draw Frame'),categories['rendering'],true);eventStyles[recordTypes.HitTest]=new Timeline.TimelineRecordStyle(Common.UIString('Hit Test'),categories['rendering']);eventStyles[recordTypes.ScheduleStyleRecalculation]=new Timeline.TimelineRecordStyle(Common.UIString('Schedule Style Recalculation'),categories['rendering'],true);eventStyles[recordTypes.RecalculateStyles]=new Timeline.TimelineRecordStyle(Common.UIString('Recalculate Style'),categories['rendering']);eventStyles[recordTypes.UpdateLayoutTree]=new Timeline.TimelineRecordStyle(Common.UIString('Recalculate Style'),categories['rendering']);eventStyles[recordTypes.InvalidateLayout]=new Timeline.TimelineRecordStyle(Common.UIString('Invalidate Layout'),categories['rendering'],true);eventStyles[recordTypes.Layout]=new Timeline.TimelineRecordStyle(Common.UIString('Layout'),categories['rendering']);eventStyles[recordTypes.PaintSetup]=new Timeline.TimelineRecordStyle(Common.UIString('Paint Setup'),categories['painting']);eventStyles[recordTypes.PaintImage]=new Timeline.TimelineRecordStyle(Common.UIString('Paint Image'),categories['painting'],true);eventStyles[recordTypes.UpdateLayer]=new Timeline.TimelineRecordStyle(Common.UIString('Update Layer'),categories['painting'],true);eventStyles[recordTypes.UpdateLayerTree]=new Timeline.TimelineRecordStyle(Common.UIString('Update Layer Tree'),categories['rendering']);eventStyles[recordTypes.Paint]=new Timeline.TimelineRecordStyle(Common.UIString('Paint'),categories['painting']);eventStyles[recordTypes.RasterTask]=new Timeline.TimelineRecordStyle(Common.UIString('Rasterize Paint'),categories['painting']);eventStyles[recordTypes.ScrollLayer]=new Timeline.TimelineRecordStyle(Common.UIString('Scroll'),categories['rendering']);eventStyles[recordTypes.CompositeLayers]=new Timeline.TimelineRecordStyle(Common.UIString('Composite Layers'),categories['painting']);eventStyles[recordTypes.ParseHTML]=new Timeline.TimelineRecordStyle(Common.UIString('Parse HTML'),categories['loading']);eventStyles[recordTypes.ParseAuthorStyleSheet]=new Timeline.TimelineRecordStyle(Common.UIString('Parse Stylesheet'),categories['loading']);eventStyles[recordTypes.TimerInstall]=new Timeline.TimelineRecordStyle(Common.UIString('Install Timer'),categories['scripting']);eventStyles[recordTypes.TimerRemove]=new Timeline.TimelineRecordStyle(Common.UIString('Remove Timer'),categories['scripting']);eventStyles[recordTypes.TimerFire]=new Timeline.TimelineRecordStyle(Common.UIString('Timer Fired'),categories['scripting']);eventStyles[recordTypes.XHRReadyStateChange]=new Timeline.TimelineRecordStyle(Common.UIString('XHR Ready State Change'),categories['scripting']);eventStyles[recordTypes.XHRLoad]=new Timeline.TimelineRecordStyle(Common.UIString('XHR Load'),categories['scripting']);eventStyles[recordTypes.CompileScript]=new Timeline.TimelineRecordStyle(Common.UIString('Compile Script'),categories['scripting']);eventStyles[reco
static inputEventDisplayName(inputEventType){if(!Timeline.TimelineUIUtils._inputEventToDisplayName){const inputEvent=TimelineModel.TimelineIRModel.InputEvents;Timeline.TimelineUIUtils._inputEventToDisplayName=new Map([[inputEvent.Char,Common.UIString('Key Character')],[inputEvent.KeyDown,Common.UIString('Key Down')],[inputEvent.KeyDownRaw,Common.UIString('Key Down')],[inputEvent.KeyUp,Common.UIString('Key Up')],[inputEvent.Click,Common.UIString('Click')],[inputEvent.ContextMenu,Common.UIString('Context Menu')],[inputEvent.MouseDown,Common.UIString('Mouse Down')],[inputEvent.MouseMove,Common.UIString('Mouse Move')],[inputEvent.MouseUp,Common.UIString('Mouse Up')],[inputEvent.MouseWheel,Common.UIString('Mouse Wheel')],[inputEvent.ScrollBegin,Common.UIString('Scroll Begin')],[inputEvent.ScrollEnd,Common.UIString('Scroll End')],[inputEvent.ScrollUpdate,Common.UIString('Scroll Update')],[inputEvent.FlingStart,Common.UIString('Fling Start')],[inputEvent.FlingCancel,Common.UIString('Fling Halt')],[inputEvent.Tap,Common.UIString('Tap')],[inputEvent.TapCancel,Common.UIString('Tap Halt')],[inputEvent.ShowPress,Common.UIString('Tap Begin')],[inputEvent.TapDown,Common.UIString('Tap Down')],[inputEvent.TouchCancel,Common.UIString('Touch Cancel')],[inputEvent.TouchEnd,Common.UIString('Touch End')],[inputEvent.TouchMove,Common.UIString('Touch Move')],[inputEvent.TouchStart,Common.UIString('Touch Start')],[inputEvent.PinchBegin,Common.UIString('Pinch Begin')],[inputEvent.PinchEnd,Common.UIString('Pinch End')],[inputEvent.PinchUpdate,Common.UIString('Pinch Update')]]);}
return Timeline.TimelineUIUtils._inputEventToDisplayName.get(inputEventType)||null;}
static frameDisplayName(frame){if(!TimelineModel.TimelineJSProfileProcessor.isNativeRuntimeFrame(frame))
return UI.beautifyFunctionName(frame.functionName);const nativeGroup=TimelineModel.TimelineJSProfileProcessor.nativeGroup(frame.functionName);const groups=TimelineModel.TimelineJSProfileProcessor.NativeGroups;switch(nativeGroup){case groups.Compile:return Common.UIString('Compile');case groups.Parse:return Common.UIString('Parse');}
return frame.functionName;}
static testContentMatching(traceEvent,regExp){const title=Timeline.TimelineUIUtils.eventStyle(traceEvent).title;const tokens=[title];const url=TimelineModel.TimelineData.forEvent(traceEvent).url;if(url)
tokens.push(url);appendObjectProperties(traceEvent.args,2);return regExp.test(tokens.join('|'));function appendObjectProperties(object,depth){if(!depth)
return;for(const key in object){const value=object[key];const type=typeof value;if(type==='string')
tokens.push(value);else if(type==='number')
tokens.push(String(value));else if(type==='object')
appendObjectProperties(value,depth-1);}}}
static eventURL(event){const data=event.args['data']||event.args['beginData'];const url=data&&data.url;if(url)
return url;const stackTrace=data&&data['stackTrace'];const frame=stackTrace&&stackTrace.length&&stackTrace[0]||TimelineModel.TimelineData.forEvent(event).topFrame();return frame&&frame.url||null;}
static eventStyle(event){const eventStyles=Timeline.TimelineUIUtils._initEventStyles();if(event.hasCategory(TimelineModel.TimelineModel.Category.Console)||event.hasCategory(TimelineModel.TimelineModel.Category.UserTiming))
return{title:event.name,category:Timeline.TimelineUIUtils.categories()['scripting']};if(event.hasCategory(TimelineModel.TimelineModel.Category.LatencyInfo)){const prefix='InputLatency::';const inputEventType=event.name.startsWith(prefix)?event.name.substr(prefix.length):event.name;const displayName=Timeline.TimelineUIUtils.inputEventDisplayName((inputEventType));return{title:displayName||inputEventType,category:Timeline.TimelineUIUtils.categories()['scripting']};}
let result=eventStyles[event.name];if(!result){result=new Timeline.TimelineRecordStyle(event.name,Timeline.TimelineUIUtils.categories()['other'],true);eventStyles[event.name]=result;}
return result;}
static eventColor(event){if(event.name===TimelineModel.TimelineModel.RecordType.JSFrame){const frame=event.args['data'];if(Timeline.TimelineUIUtils.isUserFrame(frame))
return Timeline.TimelineUIUtils.colorForId(frame.url);}
return Timeline.TimelineUIUtils.eventStyle(event).category.color;}
static eventColorByProduct(productRegistry,model,urlToColorCache,event){const url=Timeline.TimelineUIUtils.eventURL(event)||'';let color=urlToColorCache.get(url);if(color)
return color;const defaultColor='#f2ecdc';const parsedURL=url.asParsedURL();if(!parsedURL)
return defaultColor;let name=productRegistry&&productRegistry.nameForUrl(parsedURL);if(!name){name=parsedURL.host;const rootFrames=model.rootFrames();if(rootFrames.some(pageFrame=>new Common.ParsedURL(pageFrame.url).host===name))
color=defaultColor;}
if(!color)
color=name?ProductRegistry.BadgePool.colorForEntryName(name):defaultColor;urlToColorCache.set(url,color);return color;}
static eventTitle(event){const recordType=TimelineModel.TimelineModel.RecordType;const eventData=event.args['data'];if(event.name===recordType.JSFrame)
return Timeline.TimelineUIUtils.frameDisplayName(eventData);const title=Timeline.TimelineUIUtils.eventStyle(event).title;if(event.hasCategory(TimelineModel.TimelineModel.Category.Console))
return title;if(event.name===recordType.TimeStamp)
return Common.UIString('%s: %s',title,eventData['message']);if(event.name===recordType.Animation&&eventData&&eventData['name'])
return Common.UIString('%s: %s',title,eventData['name']);return title;}
static _interactionPhaseStyles(){let map=Timeline.TimelineUIUtils._interactionPhaseStylesMap;if(!map){map=new Map([[TimelineModel.TimelineIRModel.Phases.Idle,{color:'white',label:'Idle'}],[TimelineModel.TimelineIRModel.Phases.Response,{color:'hsl(43, 83%, 64%)',label:Common.UIString('Response')}],[TimelineModel.TimelineIRModel.Phases.Scroll,{color:'hsl(256, 67%, 70%)',label:Common.UIString('Scroll')}],[TimelineModel.TimelineIRModel.Phases.Fling,{color:'hsl(256, 67%, 70%)',label:Common.UIString('Fling')}],[TimelineModel.TimelineIRModel.Phases.Drag,{color:'hsl(256, 67%, 70%)',label:Common.UIString('Drag')}],[TimelineModel.TimelineIRModel.Phases.Animation,{color:'hsl(256, 67%, 70%)',label:Common.UIString('Animation')}],[TimelineModel.TimelineIRModel.Phases.Uncategorized,{color:'hsl(0, 0%, 87%)',label:Common.UIString('Uncategorized')}]]);Timeline.TimelineUIUtils._interactionPhaseStylesMap=map;}
return map;}
static interactionPhaseColor(phase){return Timeline.TimelineUIUtils._interactionPhaseStyles().get(phase).color;}
static interactionPhaseLabel(phase){return Timeline.TimelineUIUtils._interactionPhaseStyles().get(phase).label;}
static isUserFrame(frame){return frame.scriptId!=='0'&&!(frame.url&&frame.url.startsWith('native '));}
static networkRequestCategory(request){const categories=Timeline.TimelineUIUtils.NetworkCategory;switch(request.mimeType){case'text/html':return categories.HTML;case'application/javascript':case'application/x-javascript':case'text/javascript':return categories.Script;case'text/css':return categories.Style;case'audio/ogg':case'image/gif':case'image/jpeg':case'image/png':case'image/svg+xml':case'image/webp':case'image/x-icon':case'font/opentype':case'font/woff2':case'application/font-woff':return categories.Media;default:return categories.Other;}}
static networkCategoryColor(category){const categories=Timeline.TimelineUIUtils.NetworkCategory;switch(category){case categories.HTML:return'hsl(214, 67%, 66%)';case categories.Script:return'hsl(43, 83%, 64%)';case categories.Style:return'hsl(256, 67%, 70%)';case categories.Media:return'hsl(109, 33%, 55%)';default:return'hsl(0, 0%, 70%)';}}
static buildDetailsTextForTraceEvent(event,target){const recordType=TimelineModel.TimelineModel.RecordType;let detailsText;const eventData=event.args['data'];switch(event.name){case recordType.GCEvent:case recordType.MajorGC:case recordType.MinorGC:{const delta=event.args['usedHeapSizeBefore']-event.args['usedHeapSizeAfter'];detailsText=Common.UIString('%s collected',Number.bytesToString(delta));break;}
case recordType.FunctionCall:if(eventData){detailsText=linkifyLocationAsText(eventData['scriptId'],eventData['lineNumber'],eventData['columnNumber']);}
break;case recordType.JSFrame:detailsText=Timeline.TimelineUIUtils.frameDisplayName(eventData);break;case recordType.EventDispatch:detailsText=eventData?eventData['type']:null;break;case recordType.Paint:{const width=Timeline.TimelineUIUtils.quadWidth(eventData.clip);const height=Timeline.TimelineUIUtils.quadHeight(eventData.clip);if(width&&height)
detailsText=Common.UIString('%d\xa0\u00d7\xa0%d',width,height);break;}
case recordType.ParseHTML:{const endLine=event.args['endData']&&event.args['endData']['endLine'];const url=Bindings.displayNameForURL(event.args['beginData']['url']);detailsText=Common.UIString('%s [%s\u2026%s]',url,event.args['beginData']['startLine']+1,endLine>=0?endLine+1:'');break;}
case recordType.CompileModule:detailsText=Bindings.displayNameForURL(event.args['fileName']);break;case recordType.CompileScript:case recordType.EvaluateScript:{const url=eventData&&eventData['url'];if(url)
detailsText=Bindings.displayNameForURL(url)+':'+(eventData['lineNumber']+1);break;}
case recordType.ParseScriptOnBackground:case recordType.XHRReadyStateChange:case recordType.XHRLoad:{const url=eventData['url'];if(url)
detailsText=Bindings.displayNameForURL(url);break;}
case recordType.TimeStamp:detailsText=eventData['message'];break;case recordType.WebSocketCreate:case recordType.WebSocketSendHandshakeRequest:case recordType.WebSocketReceiveHandshakeResponse:case recordType.WebSocketDestroy:case recordType.ResourceSendRequest:case recordType.ResourceReceivedData:case recordType.ResourceReceiveResponse:case recordType.ResourceFinish:case recordType.PaintImage:case recordType.DecodeImage:case recordType.ResizeImage:case recordType.DecodeLazyPixelRef:{const url=TimelineModel.TimelineData.forEvent(event).url;if(url)
detailsText=Bindings.displayNameForURL(url);break;}
case recordType.EmbedderCallback:detailsText=eventData['callbackName'];break;case recordType.Animation:detailsText=eventData&&eventData['name'];break;case recordType.GCIdleLazySweep:detailsText=Common.UIString('idle sweep');break;case recordType.GCCompleteSweep:detailsText=Common.UIString('complete sweep');break;case recordType.GCCollectGarbage:detailsText=Common.UIString('collect');break;case recordType.AsyncTask:detailsText=eventData?eventData['name']:null;break;default:if(event.hasCategory(TimelineModel.TimelineModel.Category.Console))
detailsText=null;else
detailsText=linkifyTopCallFrameAsText();break;}
return detailsText;function linkifyLocationAsText(scriptId,lineNumber,columnNumber){const debuggerModel=target?target.model(SDK.DebuggerModel):null;if(!target||target.isDisposed()||!scriptId||!debuggerModel)
return null;const rawLocation=debuggerModel.createRawLocationByScriptId(scriptId,lineNumber,columnNumber);if(!rawLocation)
return null;const uiLocation=Bindings.debuggerWorkspaceBinding.rawLocationToUILocation(rawLocation);return uiLocation?uiLocation.linkText():null;}
function linkifyTopCallFrameAsText(){const frame=TimelineModel.TimelineData.forEvent(event).topFrame();if(!frame)
return null;let text=linkifyLocationAsText(frame.scriptId,frame.lineNumber,frame.columnNumber);if(!text){text=frame.url;if(typeof frame.lineNumber==='number')
text+=':'+(frame.lineNumber+1);}
return text;}}
static buildDetailsNodeForTraceEvent(event,target,linkifier){const recordType=TimelineModel.TimelineModel.RecordType;let details=null;let detailsText;const eventData=event.args['data'];switch(event.name){case recordType.GCEvent:case recordType.MajorGC:case recordType.MinorGC:case recordType.EventDispatch:case recordType.Paint:case recordType.Animation:case recordType.EmbedderCallback:case recordType.ParseHTML:case recordType.WebSocketCreate:case recordType.WebSocketSendHandshakeRequest:case recordType.WebSocketReceiveHandshakeResponse:case recordType.WebSocketDestroy:case recordType.GCIdleLazySweep:case recordType.GCCompleteSweep:case recordType.GCCollectGarbage:detailsText=Timeline.TimelineUIUtils.buildDetailsTextForTraceEvent(event,target);break;case recordType.PaintImage:case recordType.DecodeImage:case recordType.ResizeImage:case recordType.DecodeLazyPixelRef:case recordType.XHRReadyStateChange:case recordType.XHRLoad:case recordType.ResourceSendRequest:case recordType.ResourceReceivedData:case recordType.ResourceReceiveResponse:case recordType.ResourceFinish:{const url=TimelineModel.TimelineData.forEvent(event).url;if(url)
details=Components.Linkifier.linkifyURL(url);break;}
case recordType.FunctionCall:case recordType.JSFrame:details=createElement('span');details.createTextChild(Timeline.TimelineUIUtils.frameDisplayName(eventData));const location=linkifyLocation(eventData['scriptId'],eventData['url'],eventData['lineNumber'],eventData['columnNumber']);if(location){details.createTextChild(' @ ');details.appendChild(location);}
break;case recordType.CompileModule:details=linkifyLocation('',event.args['fileName'],0,0);break;case recordType.CompileScript:case recordType.EvaluateScript:{const url=eventData['url'];if(url)
details=linkifyLocation('',url,eventData['lineNumber'],0);break;}
case recordType.ParseScriptOnBackground:{const url=eventData['url'];if(url)
details=linkifyLocation('',url,0,0);break;}
default:if(event.hasCategory(TimelineModel.TimelineModel.Category.Console))
detailsText=null;else
details=linkifyTopCallFrame();break;}
if(!details&&detailsText)
details=createTextNode(detailsText);return details;function linkifyLocation(scriptId,url,lineNumber,columnNumber){return linkifier.linkifyScriptLocation(target,scriptId,url,lineNumber,columnNumber,'timeline-details');}
function linkifyTopCallFrame(){const frame=TimelineModel.TimelineData.forEvent(event).topFrame();return frame?linkifier.maybeLinkifyConsoleCallFrame(target,frame,'timeline-details'):null;}}
static async buildTraceEventDetails(event,model,linkifier,badgePool,detailed){const maybeTarget=model.targetByEvent(event);let relatedNodesMap=null;if(maybeTarget){const target=(maybeTarget);if(typeof event[Timeline.TimelineUIUtils._previewElementSymbol]==='undefined'){let previewElement=null;const url=TimelineModel.TimelineData.forEvent(event).url;if(url)
previewElement=await BrowserComponents.ImagePreview.build(target,url,false);else if(TimelineModel.TimelineData.forEvent(event).picture)
previewElement=await Timeline.TimelineUIUtils.buildPicturePreviewContent(event,target);event[Timeline.TimelineUIUtils._previewElementSymbol]=previewElement;}
const nodeIdsToResolve=new Set();const timelineData=TimelineModel.TimelineData.forEvent(event);if(timelineData.backendNodeId)
nodeIdsToResolve.add(timelineData.backendNodeId);const invalidationTrackingEvents=TimelineModel.InvalidationTracker.invalidationEventsFor(event);if(invalidationTrackingEvents)
Timeline.TimelineUIUtils._collectInvalidationNodeIds(nodeIdsToResolve,invalidationTrackingEvents);if(nodeIdsToResolve.size){const domModel=target.model(SDK.DOMModel);if(domModel)
relatedNodesMap=await domModel.pushNodesByBackendIdsToFrontend(nodeIdsToResolve);}}
const recordTypes=TimelineModel.TimelineModel.RecordType;let relatedNodeLabel;const contentHelper=new Timeline.TimelineDetailsContentHelper(model.targetByEvent(event),linkifier);contentHelper.addSection(Timeline.TimelineUIUtils.eventTitle(event),Timeline.TimelineUIUtils.eventStyle(event).category.color);const eventData=event.args['data'];const timelineData=TimelineModel.TimelineData.forEvent(event);const initiator=timelineData.initiator();let url=null;if(timelineData.warning)
contentHelper.appendWarningRow(event);if(event.name===recordTypes.JSFrame&&eventData['deoptReason'])
contentHelper.appendWarningRow(event,TimelineModel.TimelineModel.WarningType.V8Deopt);if(detailed){contentHelper.appendTextRow(Common.UIString('Total Time'),Number.millisToString(event.duration||0,true));contentHelper.appendTextRow(Common.UIString('Self Time'),Number.millisToString(event.selfTime,true));}
if(model.isGenericTrace()){for(const key in event.args){try{contentHelper.appendTextRow(key,JSON.stringify(event.args[key]));}catch(e){contentHelper.appendTextRow(key,`<${typeof event.args[key]}>`);}}
return contentHelper.fragment;}
switch(event.name){case recordTypes.GCEvent:case recordTypes.MajorGC:case recordTypes.MinorGC:const delta=event.args['usedHeapSizeBefore']-event.args['usedHeapSizeAfter'];contentHelper.appendTextRow(Common.UIString('Collected'),Number.bytesToString(delta));break;case recordTypes.JSFrame:case recordTypes.FunctionCall:const detailsNode=Timeline.TimelineUIUtils.buildDetailsNodeForTraceEvent(event,model.targetByEvent(event),linkifier);if(detailsNode)
contentHelper.appendElementRow(Common.UIString('Function'),detailsNode);break;case recordTypes.TimerFire:case recordTypes.TimerInstall:case recordTypes.TimerRemove:contentHelper.appendTextRow(Common.UIString('Timer ID'),eventData['timerId']);if(event.name===recordTypes.TimerInstall){contentHelper.appendTextRow(Common.UIString('Timeout'),Number.millisToString(eventData['timeout']));contentHelper.appendTextRow(Common.UIString('Repeats'),!eventData['singleShot']);}
break;case recordTypes.FireAnimationFrame:contentHelper.appendTextRow(Common.UIString('Callback ID'),eventData['id']);break;case recordTypes.ResourceSendRequest:case recordTypes.ResourceReceiveResponse:case recordTypes.ResourceReceivedData:case recordTypes.ResourceFinish:url=timelineData.url;if(url)
contentHelper.appendElementRow(Common.UIString('Resource'),Components.Linkifier.linkifyURL(url));if(eventData['requestMethod'])
contentHelper.appendTextRow(Common.UIString('Request Method'),eventData['requestMethod']);if(typeof eventData['statusCode']==='number')
contentHelper.appendTextRow(Common.UIString('Status Code'),eventData['statusCode']);if(eventData['mimeType'])
contentHelper.appendTextRow(Common.UIString('MIME Type'),eventData['mimeType']);if('priority'in eventData){const priority=PerfUI.uiLabelForNetworkPriority(eventData['priority']);contentHelper.appendTextRow(Common.UIString('Priority'),priority);}
if(eventData['encodedDataLength']){contentHelper.appendTextRow(Common.UIString('Encoded Data'),Common.UIString('%d Bytes',eventData['encodedDataLength']));}
if(eventData['decodedBodyLength']){contentHelper.appendTextRow(Common.UIString('Decoded Body'),Common.UIString('%d Bytes',eventData['decodedBodyLength']));}
break;case recordTypes.CompileModule:contentHelper.appendLocationRow(Common.UIString('Module'),event.args['fileName'],0);break;case recordTypes.CompileScript:url=eventData&&eventData['url'];if(url){contentHelper.appendLocationRow(Common.UIString('Script'),url,eventData['lineNumber'],eventData['columnNumber']);}
contentHelper.appendTextRow(Common.UIString('Streamed'),Common.UIString('%s',eventData['streamed']));const cacheProduceOptions=eventData&&eventData['cacheProduceOptions'];if(cacheProduceOptions){contentHelper.appendTextRow(Common.UIString('Cache Produce Options'),Common.UIString('%s',cacheProduceOptions));contentHelper.appendTextRow(Common.UIString('Produced Cache Size'),Common.UIString('%d',eventData['producedCacheSize']));}
const cacheConsumeOptions=eventData&&eventData['cacheConsumeOptions'];if(cacheConsumeOptions){contentHelper.appendTextRow(Common.UIString('Cache Consume Options'),Common.UIString('%s',cacheConsumeOptions));contentHelper.appendTextRow(Common.UIString('Consumed Cache Size'),Common.UIString('%d',eventData['consumedCacheSize']));contentHelper.appendTextRow(Common.UIString('Cache Rejected'),Common.UIString('%s',eventData['cacheRejected']));}
break;case recordTypes.EvaluateScript:url=eventData&&eventData['url'];if(url){contentHelper.appendLocationRow(Common.UIString('Script'),url,eventData['lineNumber'],eventData['columnNumber']);}
break;case recordTypes.Paint:const clip=eventData['clip'];contentHelper.appendTextRow(Common.UIString('Location'),Common.UIString('(%d, %d)',clip[0],clip[1]));const clipWidth=Timeline.TimelineUIUtils.quadWidth(clip);const clipHeight=Timeline.TimelineUIUtils.quadHeight(clip);contentHelper.appendTextRow(Common.UIString('Dimensions'),Common.UIString('%d × %d',clipWidth,clipHeight));case recordTypes.PaintSetup:case recordTypes.Rasterize:case recordTypes.ScrollLayer:relatedNodeLabel=Common.UIString('Layer Root');break;case recordTypes.PaintImage:case recordTypes.DecodeLazyPixelRef:case recordTypes.DecodeImage:case recordTypes.ResizeImage:case recordTypes.DrawLazyPixelRef:relatedNodeLabel=Common.UIString('Owner Element');url=timelineData.url;if(url)
contentHelper.appendElementRow(Common.UIString('Image URL'),Components.Linkifier.linkifyURL(url));break;case recordTypes.ParseAuthorStyleSheet:url=eventData['styleSheetUrl'];if(url)
contentHelper.appendElementRow(Common.UIString('Stylesheet URL'),Components.Linkifier.linkifyURL(url));break;case recordTypes.UpdateLayoutTree:case recordTypes.RecalculateStyles:contentHelper.appendTextRow(Common.UIString('Elements Affected'),event.args['elementCount']);break;case recordTypes.Layout:const beginData=event.args['beginData'];contentHelper.appendTextRow(Common.UIString('Nodes That Need Layout'),Common.UIString('%s of %s',beginData['dirtyObjects'],beginData['totalObjects']));relatedNodeLabel=Common.UIString('Layout root');break;case recordTypes.ConsoleTime:contentHelper.appendTextRow(Common.UIString('Message'),event.name);break;case recordTypes.WebSocketCreate:case recordTypes.WebSocketSendHandshakeRequest:case recordTypes.WebSocketReceiveHandshakeResponse:case recordTypes.WebSocketDestroy:const initiatorData=initiator?initiator.args['data']:eventData;if(typeof initiatorData['webSocketURL']!=='undefined')
contentHelper.appendTextRow(Common.UIString('URL'),initiatorData['webSocketURL']);if(typeof initiatorData['webSocketProtocol']!=='undefined')
contentHelper.appendTextRow(Common.UIString('WebSocket Protocol'),initiatorData['webSocketProtocol']);if(typeof eventData['message']!=='undefined')
contentHelper.appendTextRow(Common.UIString('Message'),eventData['message']);break;case recordTypes.EmbedderCallback:contentHelper.appendTextRow(Common.UIString('Callback Function'),eventData['callbackName']);break;case recordTypes.Animation:if(event.phase===SDK.TracingModel.Phase.NestableAsyncInstant)
contentHelper.appendTextRow(Common.UIString('State'),eventData['state']);break;case recordTypes.ParseHTML:{const beginData=event.args['beginData'];const startLine=beginData['startLine']-1;const endLine=event.args['endData']?event.args['endData']['endLine']-1:undefined;url=beginData['url'];if(url)
contentHelper.appendLocationRange(Common.UIString('Range'),url,startLine,endLine);break;}
case recordTypes.FireIdleCallback:contentHelper.appendTextRow(Common.UIString('Allotted Time'),Number.millisToString(eventData['allottedMilliseconds']));contentHelper.appendTextRow(Common.UIString('Invoked by Timeout'),eventData['timedOut']);case recordTypes.RequestIdleCallback:case recordTypes.CancelIdleCallback:contentHelper.appendTextRow(Common.UIString('Callback ID'),eventData['id']);break;case recordTypes.EventDispatch:contentHelper.appendTextRow(Common.UIString('Type'),eventData['type']);break;default:{const detailsNode=Timeline.TimelineUIUtils.buildDetailsNodeForTraceEvent(event,model.targetByEvent(event),linkifier);if(detailsNode)
contentHelper.appendElementRow(Common.UIString('Details'),detailsNode);break;}}
Timeline.TimelineUIUtils._maybeAppendProductToDetails(contentHelper,badgePool,url||eventData&&eventData['url']);if(timelineData.timeWaitingForMainThread){contentHelper.appendTextRow(Common.UIString('Time Waiting for Main Thread'),Number.millisToString(timelineData.timeWaitingForMainThread,true));}
const relatedNode=relatedNodesMap&&relatedNodesMap.get(timelineData.backendNodeId);if(relatedNode){const nodeSpan=await Common.Linkifier.linkify(relatedNode);contentHelper.appendElementRow(relatedNodeLabel||Common.UIString('Related Node'),nodeSpan);}
if(event[Timeline.TimelineUIUtils._previewElementSymbol]){contentHelper.addSection(Common.UIString('Preview'));contentHelper.appendElementRow('',event[Timeline.TimelineUIUtils._previewElementSymbol]);}
if(initiator||timelineData.stackTraceForSelfOrInitiator()||TimelineModel.InvalidationTracker.invalidationEventsFor(event))
Timeline.TimelineUIUtils._generateCauses(event,model.targetByEvent(event),relatedNodesMap,contentHelper);const stats={};const showPieChart=detailed&&Timeline.TimelineUIUtils._aggregatedStatsForTraceEvent(stats,model,event);if(showPieChart){contentHelper.addSection(Common.UIString('Aggregated Time'));const pieChart=Timeline.TimelineUIUtils.generatePieChart(stats,Timeline.TimelineUIUtils.eventStyle(event).category,event.selfTime);contentHelper.appendElementRow('',pieChart);}
return contentHelper.fragment;}
static _maybeAppendProductToDetails(contentHelper,badgePool,url){const parsedURL=url?url.asParsedURL():null;if(parsedURL)
contentHelper.appendElementRow('',badgePool.badgeForURL(parsedURL));}
static statsForTimeRange(events,startTime,endTime){if(!events.length)
return{'idle':endTime-startTime};const symbol=Timeline.TimelineUIUtils._categoryBreakdownCacheSymbol;Timeline.TimelineUIUtils._buildRangeStatsCacheIfNeeded(events);const before=findCachedStatsAfterTime(startTime);const statsBefore=subtractStats(before.stats,Timeline.TimelineUIUtils._slowStatsForTimeRange(events,startTime,before.time));const after=findCachedStatsAfterTime(endTime);const statsAfter=subtractStats(after.stats,Timeline.TimelineUIUtils._slowStatsForTimeRange(events,endTime,after.time));const aggregatedStats=subtractStats(statsAfter,statsBefore);const aggregatedTotal=Object.values(aggregatedStats).reduce((a,b)=>a+b,0);aggregatedStats['idle']=Math.max(0,endTime-startTime-aggregatedTotal);return aggregatedStats;function findCachedStatsAfterTime(atTime){let index=events.lowerBound(atTime,(time,event)=>time-(event.endTime||event.startTime));while(index<events.length&&!events[index][symbol])
index++;if(index===events.length){const lastEvent=events.peekLast();return{time:lastEvent.endTime||lastEvent.startTime,stats:events[symbol]};}
const event=events[index];return{time:event.endTime||event.startTime,stats:event[symbol]};}
function subtractStats(a,b){const result=Object.assign({},a);for(const key in b)
result[key]-=b[key];return result;}}
static _slowStatsForTimeRange(events,startTime,endTime){const stats={};const ownTimes=[];TimelineModel.TimelineModel.forEachEvent(events,onStartEvent,onEndEvent,undefined,startTime,endTime,Timeline.TimelineUIUtils._filterForStats());function onStartEvent(e){const duration=Math.min(e.endTime,endTime)-Math.max(e.startTime,startTime);if(ownTimes.length)
ownTimes[ownTimes.length-1]-=duration;ownTimes.push(duration);}
function onEndEvent(e){const category=Timeline.TimelineUIUtils.eventStyle(e).category.name;stats[category]=(stats[category]||0)+ownTimes.pop();}
return stats;}
static _filterForStats(){const visibleEventsFilter=Timeline.TimelineUIUtils.visibleEventsFilter();return event=>visibleEventsFilter.accept(event)||SDK.TracingModel.isTopLevelEvent(event);}
static _buildRangeStatsCacheIfNeeded(events){if(events[Timeline.TimelineUIUtils._categoryBreakdownCacheSymbol])
return;const aggregatedStats={};const ownTimes=[];TimelineModel.TimelineModel.forEachEvent(events,onStartEvent,onEndEvent,undefined,undefined,undefined,Timeline.TimelineUIUtils._filterForStats());function onStartEvent(e){if(ownTimes.length)
ownTimes[ownTimes.length-1]-=e.duration;ownTimes.push(e.duration);}
function onEndEvent(e){const category=Timeline.TimelineUIUtils.eventStyle(e).category.name;aggregatedStats[category]=(aggregatedStats[category]||0)+ownTimes.pop();if(!ownTimes.length)
e[Timeline.TimelineUIUtils._categoryBreakdownCacheSymbol]=Object.assign({},aggregatedStats);}
const obj=(events);obj[Timeline.TimelineUIUtils._categoryBreakdownCacheSymbol]=Object.assign({},aggregatedStats);}
static async buildNetworkRequestDetails(request,model,linkifier,badgePool){const target=model.targetByEvent(request.children[0]);const contentHelper=new Timeline.TimelineDetailsContentHelper(target,linkifier);const category=Timeline.TimelineUIUtils.networkRequestCategory(request);const color=Timeline.TimelineUIUtils.networkCategoryColor(category);contentHelper.addSection(Common.UIString('Network request'),color);const duration=request.endTime-(request.startTime||-Infinity);if(request.url)
contentHelper.appendElementRow(Common.UIString('URL'),Components.Linkifier.linkifyURL(request.url));Timeline.TimelineUIUtils._maybeAppendProductToDetails(contentHelper,badgePool,request.url);if(isFinite(duration))
contentHelper.appendTextRow(Common.UIString('Duration'),Number.millisToString(duration,true));if(request.requestMethod)
contentHelper.appendTextRow(Common.UIString('Request Method'),request.requestMethod);if(typeof request.priority==='string'){const priority=PerfUI.uiLabelForNetworkPriority((request.priority));contentHelper.appendTextRow(Common.UIString('Priority'),priority);}
if(request.mimeType)
contentHelper.appendTextRow(Common.UIString('Mime Type'),request.mimeType);let lengthText='';if(request.fromCache)
lengthText+=Common.UIString(' (from cache)');if(request.fromServiceWorker)
lengthText+=Common.UIString(' (from service worker)');if(request.encodedDataLength||!lengthText)
lengthText=`${Number.bytesToString(request.encodedDataLength)}${lengthText}`;contentHelper.appendTextRow(Common.UIString('Encoded Data'),lengthText);if(request.decodedBodyLength)
contentHelper.appendTextRow(Common.UIString('Decoded Body'),Number.bytesToString(request.decodedBodyLength));const title=Common.UIString('Initiator');const sendRequest=request.children[0];const topFrame=TimelineModel.TimelineData.forEvent(sendRequest).topFrame();if(topFrame){const link=linkifier.maybeLinkifyConsoleCallFrame(target,topFrame);if(link)
contentHelper.appendElementRow(title,link);}else{const initiator=TimelineModel.TimelineData.forEvent(sendRequest).initiator();if(initiator){const initiatorURL=TimelineModel.TimelineData.forEvent(initiator).url;if(initiatorURL){const link=linkifier.maybeLinkifyScriptLocation(target,null,initiatorURL,0);if(link)
contentHelper.appendElementRow(title,link);}}}
if(!request.previewElement&&request.url&&target)
request.previewElement=await BrowserComponents.ImagePreview.build(target,request.url,false);if(request.previewElement)
contentHelper.appendElementRow(Common.UIString('Preview'),request.previewElement);return contentHelper.fragment;}
static _stackTraceFromCallFrames(callFrames){return({callFrames:callFrames});}
static _generateCauses(event,target,relatedNodesMap,contentHelper){const recordTypes=TimelineModel.TimelineModel.RecordType;let callSiteStackLabel;let stackLabel;switch(event.name){case recordTypes.TimerFire:callSiteStackLabel=Common.UIString('Timer Installed');break;case recordTypes.FireAnimationFrame:callSiteStackLabel=Common.UIString('Animation Frame Requested');break;case recordTypes.FireIdleCallback:callSiteStackLabel=Common.UIString('Idle Callback Requested');break;case recordTypes.UpdateLayoutTree:case recordTypes.RecalculateStyles:stackLabel=Common.UIString('Recalculation Forced');break;case recordTypes.Layout:callSiteStackLabel=Common.UIString('First Layout Invalidation');stackLabel=Common.UIString('Layout Forced');break;}
const timelineData=TimelineModel.TimelineData.forEvent(event);if(timelineData.stackTrace&&timelineData.stackTrace.length){contentHelper.addSection(Common.UIString('Call Stacks'));contentHelper.appendStackTrace(stackLabel||Common.UIString('Stack Trace'),Timeline.TimelineUIUtils._stackTraceFromCallFrames(timelineData.stackTrace));}
const initiator=TimelineModel.TimelineData.forEvent(event).initiator();if(TimelineModel.InvalidationTracker.invalidationEventsFor(event)&&target){contentHelper.addSection(Common.UIString('Invalidations'));Timeline.TimelineUIUtils._generateInvalidations(event,target,relatedNodesMap,contentHelper);}else if(initiator){const delay=event.startTime-initiator.startTime;contentHelper.appendTextRow(Common.UIString('Pending for'),Number.preciseMillisToString(delay,1));const link=createElementWithClass('span','devtools-link');link.textContent=Common.UIString('reveal');link.addEventListener('click',()=>{Timeline.TimelinePanel.instance().select(Timeline.TimelineSelection.fromTraceEvent((initiator)));});contentHelper.appendElementRow(Common.UIString('Initiator'),link);const initiatorStackTrace=TimelineModel.TimelineData.forEvent(initiator).stackTrace;if(initiatorStackTrace){contentHelper.appendStackTrace(callSiteStackLabel||Common.UIString('First Invalidated'),Timeline.TimelineUIUtils._stackTraceFromCallFrames(initiatorStackTrace));}}}
static _generateInvalidations(event,target,relatedNodesMap,contentHelper){const invalidationTrackingEvents=TimelineModel.InvalidationTracker.invalidationEventsFor(event);const invalidations={};invalidationTrackingEvents.forEach(function(invalidation){if(!invalidations[invalidation.type])
invalidations[invalidation.type]=[invalidation];else
invalidations[invalidation.type].push(invalidation);});Object.keys(invalidations).forEach(function(type){Timeline.TimelineUIUtils._generateInvalidationsForType(type,target,invalidations[type],relatedNodesMap,contentHelper);});}
static _generateInvalidationsForType(type,target,invalidations,relatedNodesMap,contentHelper){let title;switch(type){case TimelineModel.TimelineModel.RecordType.StyleRecalcInvalidationTracking:title=Common.UIString('Style Invalidations');break;case TimelineModel.TimelineModel.RecordType.LayoutInvalidationTracking:title=Common.UIString('Layout Invalidations');break;default:title=Common.UIString('Other Invalidations');break;}
const invalidationsTreeOutline=new UI.TreeOutlineInShadow();invalidationsTreeOutline.registerRequiredCSS('timeline/invalidationsTree.css');invalidationsTreeOutline.element.classList.add('invalidations-tree');const invalidationGroups=groupInvalidationsByCause(invalidations);invalidationGroups.forEach(function(group){const groupElement=new Timeline.TimelineUIUtils.InvalidationsGroupElement(target,relatedNodesMap,contentHelper,group);invalidationsTreeOutline.appendChild(groupElement);});contentHelper.appendElementRow(title,invalidationsTreeOutline.element,false,true);function groupInvalidationsByCause(invalidations){const causeToInvalidationMap=new Map();for(let index=0;index<invalidations.length;index++){const invalidation=invalidations[index];let causeKey='';if(invalidation.cause.reason)
causeKey+=invalidation.cause.reason+'.';if(invalidation.cause.stackTrace){invalidation.cause.stackTrace.forEach(function(stackFrame){causeKey+=stackFrame['functionName']+'.';causeKey+=stackFrame['scriptId']+'.';causeKey+=stackFrame['url']+'.';causeKey+=stackFrame['lineNumber']+'.';causeKey+=stackFrame['columnNumber']+'.';});}
if(causeToInvalidationMap.has(causeKey))
causeToInvalidationMap.get(causeKey).push(invalidation);else
causeToInvalidationMap.set(causeKey,[invalidation]);}
return causeToInvalidationMap.valuesArray();}}
static _collectInvalidationNodeIds(nodeIds,invalidations){nodeIds.addAll(invalidations.map(invalidation=>invalidation.nodeId).filter(id=>id));}
static _aggregatedStatsForTraceEvent(total,model,event){const events=model.inspectedTargetEvents();function eventComparator(startTime,e){return startTime-e.startTime;}
const index=events.binaryIndexOf(event.startTime,eventComparator);if(index<0)
return false;let hasChildren=false;const endTime=event.endTime;if(endTime){for(let i=index;i<events.length;i++){const nextEvent=events[i];if(nextEvent.startTime>=endTime)
break;if(!nextEvent.selfTime)
continue;if(nextEvent.thread!==event.thread)
continue;if(i>index)
hasChildren=true;const categoryName=Timeline.TimelineUIUtils.eventStyle(nextEvent).category.name;total[categoryName]=(total[categoryName]||0)+nextEvent.selfTime;}}
if(SDK.TracingModel.isAsyncPhase(event.phase)){if(event.endTime){let aggregatedTotal=0;for(const categoryName in total)
aggregatedTotal+=total[categoryName];total['idle']=Math.max(0,event.endTime-event.startTime-aggregatedTotal);}
return false;}
return hasChildren;}
static async buildPicturePreviewContent(event,target){const snapshotWithRect=await new TimelineModel.LayerPaintEvent(event,target).snapshotPromise();if(!snapshotWithRect)
return null;const imageURLPromise=snapshotWithRect.snapshot.replay();snapshotWithRect.snapshot.release();const imageURL=await imageURLPromise;if(!imageURL)
return null;const container=createElement('div');UI.appendStyle(container,'browser_components/imagePreview.css');container.classList.add('image-preview-container','vbox','link');const img=container.createChild('img');img.src=imageURL;const paintProfilerButton=container.createChild('a');paintProfilerButton.textContent=Common.UIString('Paint Profiler');container.addEventListener('click',()=>Timeline.TimelinePanel.instance().select(Timeline.TimelineSelection.fromTraceEvent(event)),false);return container;}
static createEventDivider(event,zeroTime){const eventDivider=createElementWithClass('div','resources-event-divider');const startTime=Number.millisToString(event.startTime-zeroTime);eventDivider.title=Common.UIString('%s at %s',Timeline.TimelineUIUtils.eventTitle(event),startTime);const style=Timeline.TimelineUIUtils.markerStyleForEvent(event);if(style.tall)
eventDivider.style.backgroundColor=style.color;return eventDivider;}
static _visibleTypes(){const eventStyles=Timeline.TimelineUIUtils._initEventStyles();const result=[];for(const name in eventStyles){if(!eventStyles[name].hidden)
result.push(name);}
return result;}
static visibleEventsFilter(){return new TimelineModel.TimelineVisibleEventsFilter(Timeline.TimelineUIUtils._visibleTypes());}
static paintEventsFilter(){const recordTypes=TimelineModel.TimelineModel.RecordType;return new TimelineModel.TimelineInvisibleEventsFilter(!Runtime.experiments.isEnabled('timelinePaintTimingMarkers')?[recordTypes.MarkFCP,recordTypes.MarkFMP,recordTypes.MarkFMPCandidate]:[]);}
static categories(){if(Timeline.TimelineUIUtils._categories)
return Timeline.TimelineUIUtils._categories;Timeline.TimelineUIUtils._categories={loading:new Timeline.TimelineCategory('loading',Common.UIString('Loading'),true,'hsl(214, 67%, 74%)','hsl(214, 67%, 66%)'),scripting:new Timeline.TimelineCategory('scripting',Common.UIString('Scripting'),true,'hsl(43, 83%, 72%)','hsl(43, 83%, 64%) '),rendering:new Timeline.TimelineCategory('rendering',Common.UIString('Rendering'),true,'hsl(256, 67%, 76%)','hsl(256, 67%, 70%)'),painting:new Timeline.TimelineCategory('painting',Common.UIString('Painting'),true,'hsl(109, 33%, 64%)','hsl(109, 33%, 55%)'),gpu:new Timeline.TimelineCategory('gpu',Common.UIString('GPU'),false,'hsl(109, 33%, 64%)','hsl(109, 33%, 55%)'),async:new Timeline.TimelineCategory('async',Common.UIString('Async'),false,'hsl(0, 100%, 50%)','hsl(0, 100%, 40%)'),other:new Timeline.TimelineCategory('other',Common.UIString('Other'),false,'hsl(0, 0%, 87%)','hsl(0, 0%, 79%)'),idle:new Timeline.TimelineCategory('idle',Common.UIString('Idle'),false,'hsl(0, 0%, 98%)','hsl(0, 0%, 98%)')};return Timeline.TimelineUIUtils._categories;}
static generatePieChart(aggregatedStats,selfCategory,selfTime){let total=0;for(const categoryName in aggregatedStats)
total+=aggregatedStats[categoryName];const element=createElementWithClass('div','timeline-details-view-pie-chart-wrapper hbox');const pieChart=new PerfUI.PieChart(110,value=>Number.preciseMillisToString(value),true);pieChart.element.classList.add('timeline-details-view-pie-chart');pieChart.setTotal(total);const pieChartContainer=element.createChild('div','vbox');pieChartContainer.appendChild(pieChart.element);const footerElement=element.createChild('div','timeline-aggregated-info-legend');function appendLegendRow(name,title,value,color){if(!value)
return;pieChart.addSlice(value,color);const rowElement=footerElement.createChild('div');rowElement.createChild('span','timeline-aggregated-legend-value').textContent=Number.preciseMillisToString(value,1);rowElement.createChild('span','timeline-aggregated-legend-swatch').style.backgroundColor=color;rowElement.createChild('span','timeline-aggregated-legend-title').textContent=title;}
if(selfCategory){if(selfTime){appendLegendRow(selfCategory.name,Common.UIString('%s (self)',selfCategory.title),selfTime,selfCategory.color);}
const categoryTime=aggregatedStats[selfCategory.name];const value=categoryTime-selfTime;if(value>0){appendLegendRow(selfCategory.name,Common.UIString('%s (children)',selfCategory.title),value,selfCategory.childColor);}}
for(const categoryName in Timeline.TimelineUIUtils.categories()){const category=Timeline.TimelineUIUtils.categories()[categoryName];if(category===selfCategory)
continue;appendLegendRow(category.name,category.title,aggregatedStats[category.name],category.childColor);}
return element;}
static generateDetailsContentForFrame(frame,filmStripFrame){const contentHelper=new Timeline.TimelineDetailsContentHelper(null,null);contentHelper.addSection(Common.UIString('Frame'));const duration=Timeline.TimelineUIUtils.frameDuration(frame);contentHelper.appendElementRow(Common.UIString('Duration'),duration,frame.hasWarnings());const durationInMillis=frame.endTime-frame.startTime;contentHelper.appendTextRow(Common.UIString('FPS'),Math.floor(1000/durationInMillis));contentHelper.appendTextRow(Common.UIString('CPU time'),Number.millisToString(frame.cpuTime,true));if(filmStripFrame){const filmStripPreview=createElementWithClass('div','timeline-filmstrip-preview');filmStripFrame.imageDataPromise().then(data=>UI.loadImageFromData(data)).then(image=>image&&filmStripPreview.appendChild(image));contentHelper.appendElementRow('',filmStripPreview);filmStripPreview.addEventListener('click',frameClicked.bind(null,filmStripFrame),false);}
if(frame.layerTree){contentHelper.appendElementRow(Common.UIString('Layer tree'),Components.Linkifier.linkifyRevealable(frame.layerTree,Common.UIString('show')));}
function frameClicked(filmStripFrame){new PerfUI.FilmStripView.Dialog(filmStripFrame,0);}
return contentHelper.fragment;}
static frameDuration(frame){const durationText=Common.UIString('%s (at %s)',Number.millisToString(frame.endTime-frame.startTime,true),Number.millisToString(frame.startTimeOffset,true));const element=createElement('span');element.createTextChild(durationText);if(!frame.hasWarnings())
return element;element.createTextChild(Common.UIString('. Long frame times are an indication of '));element.appendChild(UI.XLink.create('https://developers.google.com/web/fundamentals/performance/rendering/',Common.UIString('jank')));element.createTextChild('.');return element;}
static createFillStyle(context,width,height,color0,color1,color2){const gradient=context.createLinearGradient(0,0,width,height);gradient.addColorStop(0,color0);gradient.addColorStop(0.25,color1);gradient.addColorStop(0.75,color1);gradient.addColorStop(1,color2);return gradient;}
static quadWidth(quad){return Math.round(Math.sqrt(Math.pow(quad[0]-quad[2],2)+Math.pow(quad[1]-quad[3],2)));}
static quadHeight(quad){return Math.round(Math.sqrt(Math.pow(quad[0]-quad[6],2)+Math.pow(quad[1]-quad[7],2)));}
static eventDispatchDesciptors(){if(Timeline.TimelineUIUtils._eventDispatchDesciptors)
return Timeline.TimelineUIUtils._eventDispatchDesciptors;const lightOrange='hsl(40,100%,80%)';const orange='hsl(40,100%,50%)';const green='hsl(90,100%,40%)';const purple='hsl(256,100%,75%)';Timeline.TimelineUIUtils._eventDispatchDesciptors=[new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(1,lightOrange,['mousemove','mouseenter','mouseleave','mouseout','mouseover']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(1,lightOrange,['pointerover','pointerout','pointerenter','pointerleave','pointermove']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(2,green,['wheel']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(3,orange,['click','mousedown','mouseup']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(3,orange,['touchstart','touchend','touchmove','touchcancel']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(3,orange,['pointerdown','pointerup','pointercancel','gotpointercapture','lostpointercapture']),new Timeline.TimelineUIUtils.EventDispatchTypeDescriptor(3,purple,['keydown','keyup','keypress'])];return Timeline.TimelineUIUtils._eventDispatchDesciptors;}
static markerStyleForEvent(event){const tallMarkerDashStyle=[10,5];const title=Timeline.TimelineUIUtils.eventTitle(event);if(event.hasCategory(TimelineModel.TimelineModel.Category.Console)||event.hasCategory(TimelineModel.TimelineModel.Category.UserTiming)){return{title:title,dashStyle:tallMarkerDashStyle,lineWidth:0.5,color:event.hasCategory(TimelineModel.TimelineModel.Category.UserTiming)?'purple':'orange',tall:false,lowPriority:false,};}
const recordTypes=TimelineModel.TimelineModel.RecordType;let tall=false;let color='grey';switch(event.name){case recordTypes.FrameStartedLoading:color='green';tall=true;break;case recordTypes.MarkDOMContent:color='blue';tall=true;break;case recordTypes.MarkLoad:color='red';tall=true;break;case recordTypes.MarkFirstPaint:color='hsl(180, 45%, 79%)';tall=true;break;case recordTypes.MarkFCP:color='hsl(160, 43%, 58%)';tall=true;break;case recordTypes.MarkFMPCandidate:color='hsl(146, 57%, 40%)';tall=true;break;case recordTypes.MarkFMP:color='hsl(144, 100%, 21%)';tall=true;break;case recordTypes.TimeStamp:color='orange';break;}
return{title:title,dashStyle:tallMarkerDashStyle,lineWidth:0.5,color:color,tall:tall,lowPriority:false,};}
static markerStyleForFrame(){return{title:Common.UIString('Frame'),color:'rgba(100, 100, 100, 0.4)',lineWidth:3,dashStyle:[3],tall:true,lowPriority:true};}
static colorForId(id){if(!Timeline.TimelineUIUtils.colorForId._colorGenerator){Timeline.TimelineUIUtils.colorForId._colorGenerator=new Common.Color.Generator({min:30,max:330},{min:50,max:80,count:3},85);Timeline.TimelineUIUtils.colorForId._colorGenerator.setColorForID('','#f2ecdc');}
return Timeline.TimelineUIUtils.colorForId._colorGenerator.colorForID(id);}
static eventWarning(event,warningType){const timelineData=TimelineModel.TimelineData.forEvent(event);const warning=warningType||timelineData.warning;if(!warning)
return null;const warnings=TimelineModel.TimelineModel.WarningType;const span=createElement('span');const eventData=event.args['data'];switch(warning){case warnings.ForcedStyle:case warnings.ForcedLayout:span.appendChild(UI.createDocumentationLink('../../fundamentals/performance/rendering/avoid-large-complex-layouts-and-layout-thrashing#avoid-forced-synchronous-layouts',Common.UIString('Forced reflow')));span.createTextChild(Common.UIString(' is a likely performance bottleneck.'));break;case warnings.IdleDeadlineExceeded:span.textContent=Common.UIString('Idle callback execution extended beyond deadline by '+
Number.millisToString(event.duration-eventData['allottedMilliseconds'],true));break;case warnings.LongHandler:span.textContent=Common.UIString('Handler took %s',Number.millisToString(event.duration,true));break;case warnings.LongRecurringHandler:span.textContent=Common.UIString('Recurring handler took %s',Number.millisToString(event.duration,true));break;case warnings.V8Deopt:span.appendChild(UI.XLink.create('https://github.com/GoogleChrome/devtools-docs/issues/53',Common.UIString('Not optimized')));span.createTextChild(Common.UIString(': %s',eventData['deoptReason']));break;default:console.assert(false,'Unhandled TimelineModel.WarningType');}
return span;}
static displayNameForFrame(frame,trimAt){const url=frame.url;if(!trimAt)
trimAt=30;return url.startsWith('about:')?`"${frame.name.trimMiddle(trimAt)}"`:frame.url.trimEnd(trimAt);}};Timeline.TimelineRecordStyle=class{constructor(title,category,hidden){this.title=title;this.category=category;this.hidden=!!hidden;}};Timeline.TimelineUIUtils.NetworkCategory={HTML:Symbol('HTML'),Script:Symbol('Script'),Style:Symbol('Style'),Media:Symbol('Media'),Other:Symbol('Other')};Timeline.TimelineUIUtils._aggregatedStatsKey=Symbol('aggregatedStats');Timeline.TimelineUIUtils.InvalidationsGroupElement=class extends UI.TreeElement{constructor(target,relatedNodesMap,contentHelper,invalidations){super('',true);this.listItemElement.classList.add('header');this.selectable=false;this.toggleOnClick=true;this._relatedNodesMap=relatedNodesMap;this._contentHelper=contentHelper;this._invalidations=invalidations;this.title=this._createTitle(target);}
_createTitle(target){const first=this._invalidations[0];const reason=first.cause.reason;const topFrame=first.cause.stackTrace&&first.cause.stackTrace[0];const title=createElement('span');if(reason)
title.createTextChild(Common.UIString('%s for ',reason));else
title.createTextChild(Common.UIString('Unknown cause for '));this._appendTruncatedNodeList(title,this._invalidations);if(topFrame&&this._contentHelper.linkifier()){title.createTextChild(Common.UIString('. '));const stack=title.createChild('span','monospace');stack.createChild('span').textContent=Timeline.TimelineUIUtils.frameDisplayName(topFrame);const link=this._contentHelper.linkifier().maybeLinkifyConsoleCallFrame(target,topFrame);if(link){stack.createChild('span').textContent=' @ ';stack.createChild('span').appendChild(link);}}
return title;}
onpopulate(){const content=createElementWithClass('div','content');const first=this._invalidations[0];if(first.cause.stackTrace){const stack=content.createChild('div');stack.createTextChild(Common.UIString('Stack trace:'));this._contentHelper.createChildStackTraceElement(stack,Timeline.TimelineUIUtils._stackTraceFromCallFrames(first.cause.stackTrace));}
content.createTextChild(this._invalidations.length>1?Common.UIString('Nodes:'):Common.UIString('Node:'));const nodeList=content.createChild('div','node-list');let firstNode=true;for(let i=0;i<this._invalidations.length;i++){const invalidation=this._invalidations[i];const invalidationNode=this._createInvalidationNode(invalidation,true);if(invalidationNode){if(!firstNode)
nodeList.createTextChild(Common.UIString(', '));firstNode=false;nodeList.appendChild(invalidationNode);const extraData=invalidation.extraData?', '+invalidation.extraData:'';if(invalidation.changedId){nodeList.createTextChild(Common.UIString('(changed id to "%s"%s)',invalidation.changedId,extraData));}else if(invalidation.changedClass){nodeList.createTextChild(Common.UIString('(changed class to "%s"%s)',invalidation.changedClass,extraData));}else if(invalidation.changedAttribute){nodeList.createTextChild(Common.UIString('(changed attribute to "%s"%s)',invalidation.changedAttribute,extraData));}else if(invalidation.changedPseudo){nodeList.createTextChild(Common.UIString('(changed pesudo to "%s"%s)',invalidation.changedPseudo,extraData));}else if(invalidation.selectorPart){nodeList.createTextChild(Common.UIString('(changed "%s"%s)',invalidation.selectorPart,extraData));}}}
const contentTreeElement=new UI.TreeElement(content,false);contentTreeElement.selectable=false;this.appendChild(contentTreeElement);}
_appendTruncatedNodeList(parentElement,invalidations){const invalidationNodes=[];const invalidationNodeIdMap={};for(let i=0;i<invalidations.length;i++){const invalidation=invalidations[i];const invalidationNode=this._createInvalidationNode(invalidation,false);invalidationNode.addEventListener('click',e=>e.consume(),false);if(invalidationNode&&!invalidationNodeIdMap[invalidation.nodeId]){invalidationNodes.push(invalidationNode);invalidationNodeIdMap[invalidation.nodeId]=true;}}
if(invalidationNodes.length===1){parentElement.appendChild(invalidationNodes[0]);}else if(invalidationNodes.length===2){parentElement.appendChild(invalidationNodes[0]);parentElement.createTextChild(Common.UIString(' and '));parentElement.appendChild(invalidationNodes[1]);}else if(invalidationNodes.length>=3){parentElement.appendChild(invalidationNodes[0]);parentElement.createTextChild(Common.UIString(', '));parentElement.appendChild(invalidationNodes[1]);parentElement.createTextChild(Common.UIString(', and %s others',invalidationNodes.length-2));}}
_createInvalidationNode(invalidation,showUnknownNodes){const node=(invalidation.nodeId&&this._relatedNodesMap)?this._relatedNodesMap.get(invalidation.nodeId):null;if(node){const nodeSpan=createElement('span');Common.Linkifier.linkify(node).then(link=>nodeSpan.appendChild(link));return nodeSpan;}
if(invalidation.nodeName){const nodeSpan=createElement('span');nodeSpan.textContent=Common.UIString('[ %s ]',invalidation.nodeName);return nodeSpan;}
if(showUnknownNodes){const nodeSpan=createElement('span');return nodeSpan.createTextChild(Common.UIString('[ unknown node ]'));}}};Timeline.TimelineUIUtils._previewElementSymbol=Symbol('previewElement');Timeline.TimelineUIUtils.EventDispatchTypeDescriptor=class{constructor(priority,color,eventTypes){this.priority=priority;this.color=color;this.eventTypes=eventTypes;}};Timeline.TimelineCategory=class extends Common.Object{constructor(name,title,visible,childColor,color){super();this.name=name;this.title=title;this.visible=visible;this.childColor=childColor;this.color=color;this.hidden=false;}
get hidden(){return this._hidden;}
set hidden(hidden){this._hidden=hidden;this.dispatchEventToListeners(Timeline.TimelineCategory.Events.VisibilityChanged,this);}};Timeline.TimelineCategory.Events={VisibilityChanged:Symbol('VisibilityChanged')};Timeline.TimelineMarkerStyle;Timeline.TimelinePopupContentHelper=class{constructor(title){this._contentTable=createElement('table');const titleCell=this._createCell(Common.UIString('%s - Details',title),'timeline-details-title');titleCell.colSpan=2;const titleRow=createElement('tr');titleRow.appendChild(titleCell);this._contentTable.appendChild(titleRow);}
contentTable(){return this._contentTable;}
_createCell(content,styleName){const text=createElement('label');text.createTextChild(String(content));const cell=createElement('td');cell.className='timeline-details';if(styleName)
cell.className+=' '+styleName;cell.textContent=content;return cell;}
appendTextRow(title,content){const row=createElement('tr');row.appendChild(this._createCell(title,'timeline-details-row-title'));row.appendChild(this._createCell(content,'timeline-details-row-data'));this._contentTable.appendChild(row);}
appendElementRow(title,content){const row=createElement('tr');const titleCell=this._createCell(title,'timeline-details-row-title');row.appendChild(titleCell);const cell=createElement('td');cell.className='details';if(content instanceof Node)
cell.appendChild(content);else
cell.createTextChild(content||'');row.appendChild(cell);this._contentTable.appendChild(row);}};Timeline.TimelineDetailsContentHelper=class{constructor(target,linkifier){this.fragment=createDocumentFragment();this._linkifier=linkifier;this._target=target;this.element=createElementWithClass('div','timeline-details-view-block');this._tableElement=this.element.createChild('div','vbox timeline-details-chip-body');this.fragment.appendChild(this.element);}
addSection(title,swatchColor){if(!this._tableElement.hasChildNodes()){this.element.removeChildren();}else{this.element=createElementWithClass('div','timeline-details-view-block');this.fragment.appendChild(this.element);}
if(title){const titleElement=this.element.createChild('div','timeline-details-chip-title');if(swatchColor)
titleElement.createChild('div').style.backgroundColor=swatchColor;titleElement.createTextChild(title);}
this._tableElement=this.element.createChild('div','vbox timeline-details-chip-body');this.fragment.appendChild(this.element);}
linkifier(){return this._linkifier;}
appendTextRow(title,value){const rowElement=this._tableElement.createChild('div','timeline-details-view-row');rowElement.createChild('div','timeline-details-view-row-title').textContent=title;rowElement.createChild('div','timeline-details-view-row-value').textContent=value;}
appendElementRow(title,content,isWarning,isStacked){const rowElement=this._tableElement.createChild('div','timeline-details-view-row');if(isWarning)
rowElement.classList.add('timeline-details-warning');if(isStacked)
rowElement.classList.add('timeline-details-stack-values');const titleElement=rowElement.createChild('div','timeline-details-view-row-title');titleElement.textContent=title;const valueElement=rowElement.createChild('div','timeline-details-view-row-value');if(content instanceof Node)
valueElement.appendChild(content);else
valueElement.createTextChild(content||'');}
appendLocationRow(title,url,startLine,startColumn){if(!this._linkifier||!this._target)
return;const link=this._linkifier.maybeLinkifyScriptLocation(this._target,null,url,startLine,startColumn);if(!link)
return;this.appendElementRow(title,link);}
appendLocationRange(title,url,startLine,endLine){if(!this._linkifier||!this._target)
return;const locationContent=createElement('span');const link=this._linkifier.maybeLinkifyScriptLocation(this._target,null,url,startLine);if(!link)
return;locationContent.appendChild(link);locationContent.createTextChild(String.sprintf(' [%s\u2026%s]',startLine+1,endLine+1||''));this.appendElementRow(title,locationContent);}
appendStackTrace(title,stackTrace){if(!this._linkifier||!this._target)
return;const rowElement=this._tableElement.createChild('div','timeline-details-view-row');rowElement.createChild('div','timeline-details-view-row-title').textContent=title;this.createChildStackTraceElement(rowElement,stackTrace);}
createChildStackTraceElement(parentElement,stackTrace){if(!this._linkifier||!this._target)
return;parentElement.classList.add('timeline-details-stack-values');const stackTraceElement=parentElement.createChild('div','timeline-details-view-row-value timeline-details-view-row-stack-trace');const callFrameElem=Components.JSPresentationUtils.buildStackTracePreviewContents(this._target,this._linkifier,stackTrace);stackTraceElement.appendChild(callFrameElem);}
appendWarningRow(event,warningType){const warning=Timeline.TimelineUIUtils.eventWarning(event,warningType);if(warning)
this.appendElementRow(Common.UIString('Warning'),warning,true);}};Timeline.TimelineUIUtils._categoryBreakdownCacheSymbol=Symbol('categoryBreakdownCache');;Timeline.TimelineLayersView=class extends UI.SplitWidget{constructor(model,showPaintProfilerCallback){super(true,false,'timelineLayersView');this._model=model;this._showPaintProfilerCallback=showPaintProfilerCallback;this.element.classList.add('timeline-layers-view');this._rightSplitWidget=new UI.SplitWidget(true,true,'timelineLayersViewDetails');this._rightSplitWidget.element.classList.add('timeline-layers-view-properties');this.setMainWidget(this._rightSplitWidget);const vbox=new UI.VBox();this.setSidebarWidget(vbox);this._layerViewHost=new LayerViewer.LayerViewHost();const layerTreeOutline=new LayerViewer.LayerTreeOutline(this._layerViewHost);vbox.element.appendChild(layerTreeOutline.element);this._layers3DView=new LayerViewer.Layers3DView(this._layerViewHost);this._layers3DView.addEventListener(LayerViewer.Layers3DView.Events.PaintProfilerRequested,this._onPaintProfilerRequested,this);this._rightSplitWidget.setMainWidget(this._layers3DView);const layerDetailsView=new LayerViewer.LayerDetailsView(this._layerViewHost);this._rightSplitWidget.setSidebarWidget(layerDetailsView);layerDetailsView.addEventListener(LayerViewer.LayerDetailsView.Events.PaintProfilerRequested,this._onPaintProfilerRequested,this);}
showLayerTree(frameLayerTree){this._frameLayerTree=frameLayerTree;if(this.isShowing())
this._update();else
this._updateWhenVisible=true;}
wasShown(){if(this._updateWhenVisible){this._updateWhenVisible=false;this._update();}}
_onPaintProfilerRequested(event){const selection=(event.data);this._layers3DView.snapshotForSelection(selection).then(snapshotWithRect=>{if(snapshotWithRect)
this._showPaintProfilerCallback(snapshotWithRect.snapshot);});}
_update(){this._frameLayerTree.layerTreePromise().then(layerTree=>this._layerViewHost.setLayerTree(layerTree));}};;Timeline.TimelinePaintProfilerView=class extends UI.SplitWidget{constructor(frameModel){super(false,false);this.element.classList.add('timeline-paint-profiler-view');this.setSidebarSize(60);this.setResizable(false);this._frameModel=frameModel;this._logAndImageSplitWidget=new UI.SplitWidget(true,false);this._logAndImageSplitWidget.element.classList.add('timeline-paint-profiler-log-split');this.setMainWidget(this._logAndImageSplitWidget);this._imageView=new Timeline.TimelinePaintImageView();this._logAndImageSplitWidget.setMainWidget(this._imageView);this._paintProfilerView=new LayerViewer.PaintProfilerView(this._imageView.showImage.bind(this._imageView));this._paintProfilerView.addEventListener(LayerViewer.PaintProfilerView.Events.WindowChanged,this._onWindowChanged,this);this.setSidebarWidget(this._paintProfilerView);this._logTreeView=new LayerViewer.PaintProfilerCommandLogView();this._logAndImageSplitWidget.setSidebarWidget(this._logTreeView);this._needsUpdateWhenVisible=false;this._pendingSnapshot=null;this._event=null;this._paintProfilerModel=null;this._lastLoadedSnapshot=null;}
wasShown(){if(this._needsUpdateWhenVisible){this._needsUpdateWhenVisible=false;this._update();}}
setSnapshot(snapshot){this._releaseSnapshot();this._pendingSnapshot=snapshot;this._event=null;this._updateWhenVisible();}
setEvent(paintProfilerModel,event){this._releaseSnapshot();this._paintProfilerModel=paintProfilerModel;this._pendingSnapshot=null;this._event=event;this._updateWhenVisible();if(this._event.name===TimelineModel.TimelineModel.RecordType.Paint)
return!!TimelineModel.TimelineData.forEvent(event).picture;if(this._event.name===TimelineModel.TimelineModel.RecordType.RasterTask)
return this._frameModel.hasRasterTile(this._event);return false;}
_updateWhenVisible(){if(this.isShowing())
this._update();else
this._needsUpdateWhenVisible=true;}
_update(){this._logTreeView.setCommandLog([]);this._paintProfilerView.setSnapshotAndLog(null,[],null);let snapshotPromise;if(this._pendingSnapshot){snapshotPromise=Promise.resolve({rect:null,snapshot:this._pendingSnapshot});}else if(this._event.name===TimelineModel.TimelineModel.RecordType.Paint){const picture=TimelineModel.TimelineData.forEvent(this._event).picture;snapshotPromise=picture.objectPromise().then(data=>this._paintProfilerModel.loadSnapshot(data['skp64'])).then(snapshot=>snapshot&&{rect:null,snapshot:snapshot});}else if(this._event.name===TimelineModel.TimelineModel.RecordType.RasterTask){snapshotPromise=this._frameModel.rasterTilePromise(this._event);}else{console.assert(false,'Unexpected event type or no snapshot');return;}
snapshotPromise.then(snapshotWithRect=>{this._releaseSnapshot();if(!snapshotWithRect){this._imageView.showImage();return;}
const snapshot=snapshotWithRect.snapshot;this._lastLoadedSnapshot=snapshot;this._imageView.setMask(snapshotWithRect.rect);snapshot.commandLog().then(log=>onCommandLogDone.call(this,snapshot,snapshotWithRect.rect,log));});function onCommandLogDone(snapshot,clipRect,log){this._logTreeView.setCommandLog(log||[]);this._paintProfilerView.setSnapshotAndLog(snapshot,log||[],clipRect);}}
_releaseSnapshot(){if(!this._lastLoadedSnapshot)
return;this._lastLoadedSnapshot.release();this._lastLoadedSnapshot=null;}
_onWindowChanged(){this._logTreeView.updateWindow(this._paintProfilerView.selectionWindow());}};Timeline.TimelinePaintImageView=class extends UI.Widget{constructor(){super(true);this.registerRequiredCSS('timeline/timelinePaintProfiler.css');this.contentElement.classList.add('fill','paint-profiler-image-view');this._imageContainer=this.contentElement.createChild('div','paint-profiler-image-container');this._imageElement=this._imageContainer.createChild('img');this._maskElement=this._imageContainer.createChild('div');this._imageElement.addEventListener('load',this._updateImagePosition.bind(this),false);this._transformController=new LayerViewer.TransformController(this.contentElement,true);this._transformController.addEventListener(LayerViewer.TransformController.Events.TransformChanged,this._updateImagePosition,this);}
onResize(){if(this._imageElement.src)
this._updateImagePosition();}
_updateImagePosition(){const width=this._imageElement.naturalWidth;const height=this._imageElement.naturalHeight;const clientWidth=this.contentElement.clientWidth;const clientHeight=this.contentElement.clientHeight;const paddingFraction=0.1;const paddingX=clientWidth*paddingFraction;const paddingY=clientHeight*paddingFraction;const scaleX=(clientWidth-paddingX)/width;const scaleY=(clientHeight-paddingY)/height;const scale=Math.min(scaleX,scaleY);if(this._maskRectangle){const style=this._maskElement.style;style.width=width+'px';style.height=height+'px';style.borderLeftWidth=this._maskRectangle.x+'px';style.borderTopWidth=this._maskRectangle.y+'px';style.borderRightWidth=(width-this._maskRectangle.x-this._maskRectangle.width)+'px';style.borderBottomWidth=(height-this._maskRectangle.y-this._maskRectangle.height)+'px';}
this._transformController.setScaleConstraints(0.5,10/scale);let matrix=new WebKitCSSMatrix().scale(this._transformController.scale(),this._transformController.scale()).translate(clientWidth/2,clientHeight/2).scale(scale,scale).translate(-width/2,-height/2);const bounds=UI.Geometry.boundsForTransformedPoints(matrix,[0,0,0,width,height,0]);this._transformController.clampOffsets(paddingX-bounds.maxX,clientWidth-paddingX-bounds.minX,paddingY-bounds.maxY,clientHeight-paddingY-bounds.minY);matrix=new WebKitCSSMatrix().translate(this._transformController.offsetX(),this._transformController.offsetY()).multiply(matrix);this._imageContainer.style.webkitTransform=matrix.toString();}
showImage(imageURL){this._imageContainer.classList.toggle('hidden',!imageURL);if(imageURL)
this._imageElement.src=imageURL;}
setMask(maskRectangle){this._maskRectangle=maskRectangle;this._maskElement.classList.toggle('hidden',!maskRectangle);}};;Timeline.TimelinePanel=class extends UI.Panel{constructor(){super('timeline');this.registerRequiredCSS('timeline/timelinePanel.css');this.element.addEventListener('contextmenu',this._contextMenu.bind(this),false);this._dropTarget=new UI.DropTarget(this.element,[UI.DropTarget.Type.File,UI.DropTarget.Type.URI],Common.UIString('Drop timeline file or URL here'),this._handleDrop.bind(this));this._recordingOptionUIControls=[];this._state=Timeline.TimelinePanel.State.Idle;this._recordingPageReload=false;this._millisecondsToRecordAfterLoadEvent=3000;this._toggleRecordAction=(UI.actionRegistry.action('timeline.toggle-recording'));this._recordReloadAction=(UI.actionRegistry.action('timeline.record-reload'));this._historyManager=new Timeline.TimelineHistoryManager();this._performanceModel=null;this._viewModeSetting=Common.settings.createSetting('timelineViewMode',Timeline.TimelinePanel.ViewMode.FlameChart);this._disableCaptureJSProfileSetting=Common.settings.createSetting('timelineDisableJSSampling',false);this._disableCaptureJSProfileSetting.setTitle(Common.UIString('Disable JavaScript samples'));this._captureLayersAndPicturesSetting=Common.settings.createSetting('timelineCaptureLayersAndPictures',false);this._captureLayersAndPicturesSetting.setTitle(Common.UIString('Enable advanced paint instrumentation (slow)'));this._showScreenshotsSetting=Common.settings.createSetting('timelineShowScreenshots',true);this._showScreenshotsSetting.setTitle(Common.UIString('Screenshots'));this._showScreenshotsSetting.addChangeListener(this._updateOverviewControls,this);this._showMemorySetting=Common.settings.createSetting('timelineShowMemory',false);this._showMemorySetting.setTitle(Common.UIString('Memory'));this._showMemorySetting.addChangeListener(this._onModeChanged,this);this._panelToolbar=new UI.Toolbar('',this.element);this._createSettingsPane();this._updateShowSettingsToolbarButton();this._timelinePane=new UI.VBox();this._timelinePane.show(this.element);const topPaneElement=this._timelinePane.element.createChild('div','hbox');topPaneElement.id='timeline-overview-panel';this._overviewPane=new PerfUI.TimelineOverviewPane('timeline');this._overviewPane.addEventListener(PerfUI.TimelineOverviewPane.Events.WindowChanged,this._onOverviewWindowChanged.bind(this));this._overviewPane.show(topPaneElement);this._overviewControls=[];this._statusPaneContainer=this._timelinePane.element.createChild('div','status-pane-container fill');this._createFileSelector();SDK.targetManager.addModelListener(SDK.ResourceTreeModel,SDK.ResourceTreeModel.Events.Load,this._loadEventFired,this);this._flameChart=new Timeline.TimelineFlameChartView(this);this._searchableView=new UI.SearchableView(this._flameChart);this._searchableView.setMinimumSize(0,100);this._searchableView.element.classList.add('searchable-view');this._searchableView.show(this._timelinePane.element);this._flameChart.show(this._searchableView.element);this._flameChart.setSearchableView(this._searchableView);this._onModeChanged();this._populateToolbar();this._showLandingPage();this._updateTimelineControls();Extensions.extensionServer.addEventListener(Extensions.ExtensionServer.Events.TraceProviderAdded,this._appendExtensionsToToolbar,this);SDK.targetManager.addEventListener(SDK.TargetManager.Events.SuspendStateChanged,this._onSuspendStateChanged,this);}
static instance(){return(self.runtime.sharedInstance(Timeline.TimelinePanel));}
searchableView(){return this._searchableView;}
wasShown(){UI.context.setFlavor(Timeline.TimelinePanel,this);}
willHide(){UI.context.setFlavor(Timeline.TimelinePanel,null);this._historyManager.cancelIfShowing();}
loadFromEvents(events){if(this._state!==Timeline.TimelinePanel.State.Idle)
return;this._prepareToLoadTimeline();this._loader=Timeline.TimelineLoader.loadFromEvents(events,this);}
_onOverviewWindowChanged(event){const left=event.data.startTime;const right=event.data.endTime;this._performanceModel.setWindow({left,right},true);}
_onModelWindowChanged(event){const window=(event.data.window);this._overviewPane.setWindowTimes(window.left,window.right);}
_setState(state){this._state=state;this._updateTimelineControls();}
_createSettingCheckbox(setting,tooltip){const checkboxItem=new UI.ToolbarSettingCheckbox(setting,tooltip);this._recordingOptionUIControls.push(checkboxItem);return checkboxItem;}
_populateToolbar(){this._panelToolbar.appendToolbarItem(UI.Toolbar.createActionButton(this._toggleRecordAction));this._panelToolbar.appendToolbarItem(UI.Toolbar.createActionButton(this._recordReloadAction));this._clearButton=new UI.ToolbarButton(Common.UIString('Clear'),'largeicon-clear');this._clearButton.addEventListener(UI.ToolbarButton.Events.Click,()=>this._onClearButton());this._panelToolbar.appendToolbarItem(this._clearButton);this._loadButton=new UI.ToolbarButton(Common.UIString('Load profile...'),'largeicon-load');this._loadButton.addEventListener(UI.ToolbarButton.Events.Click,()=>this._selectFileToLoad());this._saveButton=new UI.ToolbarButton(Common.UIString('Save profile...'),'largeicon-download');this._saveButton.addEventListener(UI.ToolbarButton.Events.Click,()=>this._saveToFile());this._panelToolbar.appendSeparator();this._panelToolbar.appendToolbarItem(this._loadButton);this._panelToolbar.appendToolbarItem(this._saveButton);this._panelToolbar.appendSeparator();this._panelToolbar.appendToolbarItem(this._historyManager.button());this._panelToolbar.appendSeparator();this._panelToolbar.appendSeparator();this._showScreenshotsToolbarCheckbox=this._createSettingCheckbox(this._showScreenshotsSetting,Common.UIString('Capture screenshots'));this._panelToolbar.appendToolbarItem(this._showScreenshotsToolbarCheckbox);this._showMemoryToolbarCheckbox=this._createSettingCheckbox(this._showMemorySetting,Common.UIString('Show memory timeline'));this._panelToolbar.appendToolbarItem(this._showMemoryToolbarCheckbox);this._panelToolbar.appendToolbarItem(UI.Toolbar.createActionButtonForId('components.collect-garbage'));this._panelToolbar.appendSpacer();this._panelToolbar.appendText('');this._panelToolbar.appendSeparator();this._panelToolbar.appendToolbarItem(this._showSettingsPaneButton);}
_createSettingsPane(){this._showSettingsPaneSetting=Common.settings.createSetting('timelineShowSettingsToolbar',false);this._showSettingsPaneButton=new UI.ToolbarSettingToggle(this._showSettingsPaneSetting,'largeicon-settings-gear',Common.UIString('Capture settings'));SDK.multitargetNetworkManager.addEventListener(SDK.MultitargetNetworkManager.Events.ConditionsChanged,this._updateShowSettingsToolbarButton,this);MobileThrottling.throttlingManager().addEventListener(MobileThrottling.ThrottlingManager.Events.RateChanged,this._updateShowSettingsToolbarButton,this);this._disableCaptureJSProfileSetting.addChangeListener(this._updateShowSettingsToolbarButton,this);this._captureLayersAndPicturesSetting.addChangeListener(this._updateShowSettingsToolbarButton,this);this._settingsPane=new UI.HBox();this._settingsPane.element.classList.add('timeline-settings-pane');this._settingsPane.show(this.element);const captureToolbar=new UI.Toolbar('',this._settingsPane.element);captureToolbar.element.classList.add('flex-auto');captureToolbar.makeVertical();captureToolbar.appendToolbarItem(this._createSettingCheckbox(this._disableCaptureJSProfileSetting,Common.UIString('Disables JavaScript sampling, reduces overhead when running against mobile devices')));captureToolbar.appendToolbarItem(this._createSettingCheckbox(this._captureLayersAndPicturesSetting,Common.UIString('Captures advanced paint instrumentation, introduces significant performance overhead')));const throttlingPane=new UI.VBox();throttlingPane.element.classList.add('flex-auto');throttlingPane.show(this._settingsPane.element);const networkThrottlingToolbar=new UI.Toolbar('',throttlingPane.element);networkThrottlingToolbar.appendText(Common.UIString('Network:'));this._networkThrottlingSelect=this._createNetworkConditionsSelect();networkThrottlingToolbar.appendToolbarItem(this._networkThrottlingSelect);const cpuThrottlingToolbar=new UI.Toolbar('',throttlingPane.element);cpuThrottlingToolbar.appendText(Common.UIString('CPU:'));this._cpuThrottlingSelect=MobileThrottling.throttlingManager().createCPUThrottlingSelector();cpuThrottlingToolbar.appendToolbarItem(this._cpuThrottlingSelect);this._showSettingsPaneSetting.addChangeListener(this._updateSettingsPaneVisibility.bind(this));this._updateSettingsPaneVisibility();}
_appendExtensionsToToolbar(event){const provider=(event.data);const setting=Timeline.TimelinePanel._settingForTraceProvider(provider);const checkbox=this._createSettingCheckbox(setting,provider.longDisplayName());this._panelToolbar.appendToolbarItem(checkbox);}
static _settingForTraceProvider(traceProvider){let setting=traceProvider[Timeline.TimelinePanel._traceProviderSettingSymbol];if(!setting){const providerId=traceProvider.persistentIdentifier();setting=Common.settings.createSetting(providerId,false);setting.setTitle(traceProvider.shortDisplayName());traceProvider[Timeline.TimelinePanel._traceProviderSettingSymbol]=setting;}
return setting;}
_createNetworkConditionsSelect(){const toolbarItem=new UI.ToolbarComboBox(null);toolbarItem.setMaxWidth(140);MobileThrottling.throttlingManager().decorateSelectWithNetworkThrottling(toolbarItem.selectElement());return toolbarItem;}
_prepareToLoadTimeline(){console.assert(this._state===Timeline.TimelinePanel.State.Idle);this._setState(Timeline.TimelinePanel.State.Loading);if(this._performanceModel){this._performanceModel.dispose();this._performanceModel=null;}}
_createFileSelector(){if(this._fileSelectorElement)
this._fileSelectorElement.remove();this._fileSelectorElement=UI.createFileSelectorElement(this._loadFromFile.bind(this));this._timelinePane.element.appendChild(this._fileSelectorElement);}
_contextMenu(event){const contextMenu=new UI.ContextMenu(event);contextMenu.appendItemsAtLocation('timelineMenu');contextMenu.show();}
async _saveToFile(){if(this._state!==Timeline.TimelinePanel.State.Idle)
return;const performanceModel=this._performanceModel;if(!performanceModel)
return;const now=new Date();const fileName='Profile-'+now.toISO8601Compact()+'.json';const stream=new Bindings.FileOutputStream();const accepted=await stream.open(fileName);if(!accepted)
return;const error=await performanceModel.save(stream);if(!error)
return;Common.console.error(Common.UIString('Failed to save timeline: %s (%s, %s)',error.message,error.name,error.code));}
async _showHistory(){const model=await this._historyManager.showHistoryDropDown();if(model&&model!==this._performanceModel)
this._setModel(model);}
_navigateHistory(direction){const model=this._historyManager.navigate(direction);if(model&&model!==this._performanceModel)
this._setModel(model);return true;}
_selectFileToLoad(){this._fileSelectorElement.click();}
_loadFromFile(file){if(this._state!==Timeline.TimelinePanel.State.Idle)
return;this._prepareToLoadTimeline();this._loader=Timeline.TimelineLoader.loadFromFile(file,this);this._createFileSelector();}
_loadFromURL(url){if(this._state!==Timeline.TimelinePanel.State.Idle)
return;this._prepareToLoadTimeline();this._loader=Timeline.TimelineLoader.loadFromURL(url,this);}
_updateOverviewControls(){this._overviewControls=[];this._overviewControls.push(new Timeline.TimelineEventOverviewResponsiveness());if(Runtime.experiments.isEnabled('inputEventsOnTimelineOverview'))
this._overviewControls.push(new Timeline.TimelineEventOverviewInput());this._overviewControls.push(new Timeline.TimelineEventOverviewFrames());this._overviewControls.push(new Timeline.TimelineEventOverviewCPUActivity());this._overviewControls.push(new Timeline.TimelineEventOverviewNetwork());if(this._showScreenshotsSetting.get()&&this._performanceModel&&this._performanceModel.frameModel().frames().length)
this._overviewControls.push(new Timeline.TimelineFilmStripOverview());if(this._showMemorySetting.get())
this._overviewControls.push(new Timeline.TimelineEventOverviewMemory());for(const control of this._overviewControls)
control.setModel(this._performanceModel);this._overviewPane.setOverviewControls(this._overviewControls);}
_onModeChanged(){this._updateOverviewControls();this.doResize();this.select(null);}
_updateSettingsPaneVisibility(){if(this._showSettingsPaneSetting.get())
this._settingsPane.showWidget();else
this._settingsPane.hideWidget();}
_updateShowSettingsToolbarButton(){const messages=[];if(MobileThrottling.throttlingManager().cpuThrottlingRate()!==1)
messages.push(Common.UIString('- CPU throttling is enabled'));if(SDK.multitargetNetworkManager.isThrottling())
messages.push(Common.UIString('- Network throttling is enabled'));if(this._captureLayersAndPicturesSetting.get())
messages.push(Common.UIString('- Significant overhead due to paint instrumentation'));if(this._disableCaptureJSProfileSetting.get())
messages.push(Common.UIString('- JavaScript sampling is disabled'));this._showSettingsPaneButton.setDefaultWithRedColor(messages.length);this._showSettingsPaneButton.setToggleWithRedColor(messages.length);if(messages.length){const tooltipElement=createElement('div');messages.forEach(message=>{tooltipElement.createChild('div').textContent=message;});this._showSettingsPaneButton.setTitle(tooltipElement);}else{this._showSettingsPaneButton.setTitle(Common.UIString('Capture settings'));}}
_setUIControlsEnabled(enabled){this._recordingOptionUIControls.forEach(control=>control.setEnabled(enabled));}
async _startRecording(){console.assert(!this._statusPane,'Status pane is already opened.');this._setState(Timeline.TimelinePanel.State.StartPending);this._showRecordingStarted();const enabledTraceProviders=Extensions.extensionServer.traceProviders().filter(provider=>Timeline.TimelinePanel._settingForTraceProvider(provider).get());const recordingOptions={enableJSSampling:!this._disableCaptureJSProfileSetting.get(),capturePictures:this._captureLayersAndPicturesSetting.get(),captureFilmStrip:this._showScreenshotsSetting.get()};const mainTarget=(SDK.targetManager.mainTarget());this._controller=new Timeline.TimelineController(mainTarget,this);this._setUIControlsEnabled(false);this._hideLandingPage();await this._controller.startRecording(recordingOptions,enabledTraceProviders);this._recordingStarted();}
async _stopRecording(){if(this._statusPane){this._statusPane.finish();this._statusPane.updateStatus(Common.UIString('Stopping timeline\u2026'));this._statusPane.updateProgressBar(Common.UIString('Received'),0);}
this._setState(Timeline.TimelinePanel.State.StopPending);this._performanceModel=await this._controller.stopRecording();this._setUIControlsEnabled(true);this._controller=null;}
_onSuspendStateChanged(){this._updateTimelineControls();}
_updateTimelineControls(){const state=Timeline.TimelinePanel.State;this._toggleRecordAction.setToggled(this._state===state.Recording);this._toggleRecordAction.setEnabled(this._state===state.Recording||this._state===state.Idle);this._recordReloadAction.setEnabled(this._state===state.Idle);this._historyManager.setEnabled(this._state===state.Idle);this._clearButton.setEnabled(this._state===state.Idle);this._panelToolbar.setEnabled(this._state!==state.Loading);this._dropTarget.setEnabled(this._state===state.Idle);this._loadButton.setEnabled(this._state===state.Idle);this._saveButton.setEnabled(this._state===state.Idle&&!!this._performanceModel);}
_toggleRecording(){if(this._state===Timeline.TimelinePanel.State.Idle){this._recordingPageReload=false;this._startRecording();Host.userMetrics.actionTaken(Host.UserMetrics.Action.TimelineStarted);}else if(this._state===Timeline.TimelinePanel.State.Recording){this._stopRecording();}}
_recordReload(){if(this._state!==Timeline.TimelinePanel.State.Idle)
return;this._recordingPageReload=true;this._startRecording();Host.userMetrics.actionTaken(Host.UserMetrics.Action.TimelinePageReloadStarted);}
_onClearButton(){this._historyManager.clear();this._clear();}
_clear(){this._showLandingPage();this._reset();}
_reset(){PerfUI.LineLevelProfile.instance().reset();this._setModel(null);}
_applyFilters(model){if(model.timelineModel().isGenericTrace()||Runtime.experiments.isEnabled('timelineShowAllEvents'))
return;model.setFilters([Timeline.TimelineUIUtils.visibleEventsFilter(),new TimelineModel.ExcludeTopLevelFilter()]);}
_setModel(model){if(this._performanceModel){this._performanceModel.removeEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onModelWindowChanged,this);}
this._performanceModel=model;if(model)
this._applyFilters(model);this._flameChart.setModel(model);this._updateOverviewControls();this._overviewPane.reset();if(model){this._performanceModel.addEventListener(Timeline.PerformanceModel.Events.WindowChanged,this._onModelWindowChanged,this);this._overviewPane.setBounds(model.timelineModel().minimumRecordTime(),model.timelineModel().maximumRecordTime());for(const profile of model.timelineModel().cpuProfiles())
PerfUI.LineLevelProfile.instance().appendCPUProfile(profile);this._setMarkers(model.timelineModel());this._flameChart.setSelection(null);this._overviewPane.setWindowTimes(model.window().left,model.window().right);}
for(const control of this._overviewControls)
control.setModel(model);if(this._flameChart)
this._flameChart.resizeToPreferredHeights();this._updateTimelineControls();}
_recordingStarted(){if(this._recordingPageReload){const target=this._controller.mainTarget();const resourceModel=target.model(SDK.ResourceTreeModel);if(resourceModel)
resourceModel.reloadPage();}
this._reset();this._setState(Timeline.TimelinePanel.State.Recording);this._showRecordingStarted();this._statusPane.updateStatus(Common.UIString('Profiling\u2026'));this._statusPane.updateProgressBar(Common.UIString('Buffer usage'),0);this._statusPane.startTimer();this._hideLandingPage();}
recordingProgress(usage){this._statusPane.updateProgressBar(Common.UIString('Buffer usage'),usage*100);}
_showLandingPage(){if(this._landingPage){this._landingPage.show(this._statusPaneContainer);return;}
function encloseWithTag(tagName,contents){const e=createElement(tagName);e.textContent=contents;return e;}
const learnMoreNode=UI.XLink.create('https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/',Common.UIString('Learn\xa0more'));const recordKey=encloseWithTag('b',UI.shortcutRegistry.shortcutDescriptorsForAction('timeline.toggle-recording')[0].name);const reloadKey=encloseWithTag('b',UI.shortcutRegistry.shortcutDescriptorsForAction('timeline.record-reload')[0].name);const navigateNode=encloseWithTag('b',Common.UIString('WASD'));this._landingPage=new UI.VBox();this._landingPage.contentElement.classList.add('timeline-landing-page','fill');const centered=this._landingPage.contentElement.createChild('div');const recordButton=UI.createInlineButton(UI.Toolbar.createActionButton(this._toggleRecordAction));const reloadButton=UI.createInlineButton(UI.Toolbar.createActionButtonForId('timeline.record-reload'));centered.createChild('p').appendChild(UI.formatLocalized('Click the record button %s or hit %s to start a new recording.\n'+'Click the reload button %s or hit %s to record the page load.',[recordButton,recordKey,reloadButton,reloadKey]));centered.createChild('p').appendChild(UI.formatLocalized('After recording, select an area of interest in the overview by dragging.\n'+'Then, zoom and pan the timeline with the mousewheel or %s keys.\n%s',[navigateNode,learnMoreNode]));this._landingPage.show(this._statusPaneContainer);}
_hideLandingPage(){this._landingPage.detach();}
loadingStarted(){this._hideLandingPage();if(this._statusPane)
this._statusPane.hide();this._statusPane=new Timeline.TimelinePanel.StatusPane(false,this._cancelLoading.bind(this));this._statusPane.showPane(this._statusPaneContainer);this._statusPane.updateStatus(Common.UIString('Loading profile\u2026'));if(!this._loader)
this._statusPane.finish();this.loadingProgress(0);}
loadingProgress(progress){if(typeof progress==='number')
this._statusPane.updateProgressBar(Common.UIString('Received'),progress*100);}
processingStarted(){this._statusPane.updateStatus(Common.UIString('Processing profile\u2026'));}
loadingComplete(tracingModel){delete this._loader;this._setState(Timeline.TimelinePanel.State.Idle);if(this._statusPane)
this._statusPane.hide();delete this._statusPane;if(!tracingModel){this._clear();return;}
if(!this._performanceModel)
this._performanceModel=new Timeline.PerformanceModel();this._performanceModel.setTracingModel(tracingModel);this._setModel(this._performanceModel);this._historyManager.addRecording(this._performanceModel);}
_showRecordingStarted(){if(this._statusPane)
return;this._statusPane=new Timeline.TimelinePanel.StatusPane(true,this._stopRecording.bind(this));this._statusPane.showPane(this._statusPaneContainer);this._statusPane.updateStatus(Common.UIString('Initializing profiler\u2026'));}
_cancelLoading(){if(this._loader)
this._loader.cancel();}
_setMarkers(timelineModel){const markers=new Map();const recordTypes=TimelineModel.TimelineModel.RecordType;const zeroTime=timelineModel.minimumRecordTime();const filter=Timeline.TimelineUIUtils.paintEventsFilter();for(const event of timelineModel.timeMarkerEvents()){if(event.name===recordTypes.TimeStamp||event.name===recordTypes.ConsoleTime)
continue;if(!filter.accept(event))
continue;markers.set(event.startTime,Timeline.TimelineUIUtils.createEventDivider(event,zeroTime));}
this._overviewPane.setMarkers(markers);}
async _loadEventFired(event){if(this._state!==Timeline.TimelinePanel.State.Recording||!this._recordingPageReload||this._controller.mainTarget()!==event.data.resourceTreeModel.target())
return;const controller=this._controller;await new Promise(r=>setTimeout(r,this._millisecondsToRecordAfterLoadEvent));if(controller!==this._controller||this._state!==Timeline.TimelinePanel.State.Recording)
return;this._stopRecording();}
_frameForSelection(selection){switch(selection.type()){case Timeline.TimelineSelection.Type.Frame:return(selection.object());case Timeline.TimelineSelection.Type.Range:return null;case Timeline.TimelineSelection.Type.TraceEvent:return this._performanceModel.frameModel().frames(selection._endTime,selection._endTime)[0];default:console.assert(false,'Should never be reached');return null;}}
_jumpToFrame(offset){const currentFrame=this._selection&&this._frameForSelection(this._selection);if(!currentFrame)
return;const frames=this._performanceModel.frames();let index=frames.indexOf(currentFrame);console.assert(index>=0,'Can\'t find current frame in the frame list');index=Number.constrain(index+offset,0,frames.length-1);const frame=frames[index];this._revealTimeRange(frame.startTime,frame.endTime);this.select(Timeline.TimelineSelection.fromFrame(frame));return true;}
select(selection){this._selection=selection;this._flameChart.setSelection(selection);}
selectEntryAtTime(events,time){if(!events)
return;for(let index=events.upperBound(time,(time,event)=>time-event.startTime)-1;index>=0;--index){const event=events[index];const endTime=event.endTime||event.startTime;if(SDK.TracingModel.isTopLevelEvent(event)&&endTime<time)
break;if(this._performanceModel.isVisible(event)&&endTime>=time){this.select(Timeline.TimelineSelection.fromTraceEvent(event));return;}}
this.select(null);}
highlightEvent(event){this._flameChart.highlightEvent(event);}
_revealTimeRange(startTime,endTime){const window=this._performanceModel.window();let offset=0;if(window.right<endTime)
offset=endTime-window.right;else if(window.left>startTime)
offset=startTime-window.left;this._performanceModel.setWindow({left:window.left+offset,right:window.right+offset},true);}
_handleDrop(dataTransfer){const items=dataTransfer.items;if(!items.length)
return;const item=items[0];if(item.kind==='string'){const url=dataTransfer.getData('text/uri-list');if(new Common.ParsedURL(url).isValid)
this._loadFromURL(url);}else if(item.kind==='file'){const entry=items[0].webkitGetAsEntry();if(!entry.isFile)
return;entry.file(this._loadFromFile.bind(this));}}};Timeline.TimelinePanel.State={Idle:Symbol('Idle'),StartPending:Symbol('StartPending'),Recording:Symbol('Recording'),StopPending:Symbol('StopPending'),Loading:Symbol('Loading')};Timeline.TimelinePanel.ViewMode={FlameChart:'FlameChart',BottomUp:'BottomUp',CallTree:'CallTree',EventLog:'EventLog'};Timeline.TimelinePanel.rowHeight=18;Timeline.TimelinePanel.headerHeight=20;Timeline.TimelinePanel.ModelSelectionData;Timeline.TimelineSelection=class{constructor(type,startTime,endTime,object){this._type=type;this._startTime=startTime;this._endTime=endTime;this._object=object||null;}
static fromFrame(frame){return new Timeline.TimelineSelection(Timeline.TimelineSelection.Type.Frame,frame.startTime,frame.endTime,frame);}
static fromNetworkRequest(request){return new Timeline.TimelineSelection(Timeline.TimelineSelection.Type.NetworkRequest,request.startTime,request.endTime||request.startTime,request);}
static fromTraceEvent(event){return new Timeline.TimelineSelection(Timeline.TimelineSelection.Type.TraceEvent,event.startTime,event.endTime||(event.startTime+1),event);}
static fromRange(startTime,endTime){return new Timeline.TimelineSelection(Timeline.TimelineSelection.Type.Range,startTime,endTime);}
type(){return this._type;}
object(){return this._object;}
startTime(){return this._startTime;}
endTime(){return this._endTime;}};Timeline.TimelineSelection.Type={Frame:'Frame',NetworkRequest:'NetworkRequest',TraceEvent:'TraceEvent',Range:'Range'};Timeline.TimelineModeViewDelegate=function(){};Timeline.TimelineModeViewDelegate.prototype={select(selection){},selectEntryAtTime(events,time){},highlightEvent(event){},};Timeline.TimelinePanel.StatusPane=class extends UI.VBox{constructor(showTimer,stopCallback){super(true);this.registerRequiredCSS('timeline/timelineStatusDialog.css');this.contentElement.classList.add('timeline-status-dialog');const statusLine=this.contentElement.createChild('div','status-dialog-line status');statusLine.createChild('div','label').textContent=Common.UIString('Status');this._status=statusLine.createChild('div','content');if(showTimer){const timeLine=this.contentElement.createChild('div','status-dialog-line time');timeLine.createChild('div','label').textContent=Common.UIString('Time');this._time=timeLine.createChild('div','content');}
const progressLine=this.contentElement.createChild('div','status-dialog-line progress');this._progressLabel=progressLine.createChild('div','label');this._progressBar=progressLine.createChild('div','indicator-container').createChild('div','indicator');this._stopButton=UI.createTextButton(Common.UIString('Stop'),stopCallback,'',true);this.contentElement.createChild('div','stop-button').appendChild(this._stopButton);}
finish(){this._stopTimer();this._stopButton.disabled=true;}
hide(){this.element.parentNode.classList.remove('tinted');this.element.remove();}
showPane(parent){this.show(parent);parent.classList.add('tinted');this._stopButton.focus();}
updateStatus(text){this._status.textContent=text;}
updateProgressBar(activity,percent){this._progressLabel.textContent=activity;this._progressBar.style.width=percent.toFixed(1)+'%';this._updateTimer();}
startTimer(){this._startTime=Date.now();this._timeUpdateTimer=setInterval(this._updateTimer.bind(this,false),1000);this._updateTimer();}
_stopTimer(){if(!this._timeUpdateTimer)
return;clearInterval(this._timeUpdateTimer);this._updateTimer(true);delete this._timeUpdateTimer;}
_updateTimer(precise){if(!this._timeUpdateTimer)
return;const elapsed=(Date.now()-this._startTime)/1000;this._time.textContent=Common.UIString('%s\xa0sec',elapsed.toFixed(precise?1:0));}};Timeline.LoadTimelineHandler=class{handleQueryParam(value){UI.viewManager.showView('timeline').then(()=>{Timeline.TimelinePanel.instance()._loadFromURL(window.decodeURIComponent(value));});}};Timeline.TimelinePanel.ActionDelegate=class{handleAction(context,actionId){const panel=UI.context.flavor(Timeline.TimelinePanel);console.assert(panel&&panel instanceof Timeline.TimelinePanel);switch(actionId){case'timeline.toggle-recording':panel._toggleRecording();return true;case'timeline.record-reload':panel._recordReload();return true;case'timeline.save-to-file':panel._saveToFile();return true;case'timeline.load-from-file':panel._selectFileToLoad();return true;case'timeline.jump-to-previous-frame':panel._jumpToFrame(-1);return true;case'timeline.jump-to-next-frame':panel._jumpToFrame(1);return true;case'timeline.show-history':panel._showHistory();return true;case'timeline.previous-recording':panel._navigateHistory(1);return true;case'timeline.next-recording':panel._navigateHistory(-1);return true;}
return false;}};Timeline.TimelinePanel._traceProviderSettingSymbol=Symbol('traceProviderSetting');;Runtime.cachedResources["timeline/historyToolbarButton.css"]="/*\n * Copyright 2017 The Chromium Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style license that can be\n * found in the LICENSE file.\n */\n\n:host {\n  width: 160px;\n  height: 26px;\n  text-align: left;\n  display: flex;\n}\n\n:host([disabled]) {\n  opacity: .5;\n}\n\n.content {\n  padding-right: 5px;\n  overflow: hidden;\n  text-overflow: ellipsis;\n  flex: 1 1;\n  min-width: 35px;\n}\n\n/*# sourceURL=timeline/historyToolbarButton.css */";Runtime.cachedResources["timeline/invalidationsTree.css"]="/*\n * Copyright 2015 The Chromium Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style license that can be\n * found in the LICENSE file.\n */\n\n.header, .children, .content {\n    min-height: initial;\n    line-height: initial;\n}\n\n/* This TreeElement is always expanded and has no arrow.   */\n/* FIXME(crbug.com/475618): Implement this in TreeElement. */\n.children li::before {\n    display: none;\n}\n\n.content {\n    margin-bottom: 4px;\n}\n\n.content .stack-preview-container {\n    margin-left: 8px;\n}\n\n.content .node-list {\n    margin-left: 10px;\n}\n\n/*# sourceURL=timeline/invalidationsTree.css */";Runtime.cachedResources["timeline/timelineFlamechartPopover.css"]="/*\n * Copyright (c) 2015 The Chromium Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style license that can be\n * found in the LICENSE file.\n */\n\n.timeline-flamechart-popover {\n    overflow: hidden;\n}\n\n.timeline-flamechart-popover span {\n    margin-right: 5px;\n}\n\n.timeline-flamechart-popover span.timeline-info-network-time {\n    color: #009;\n}\n\n.timeline-flamechart-popover span.timeline-info-time {\n    color: #282;\n}\n\n.timeline-flamechart-popover span.timeline-info-warning {\n    color: #e44;\n}\n\n.timeline-flamechart-popover span.timeline-info-warning * {\n    color: inherit;\n}\n\n/*# sourceURL=timeline/timelineFlamechartPopover.css */";Runtime.cachedResources["timeline/timelineHistoryManager.css"]="/*\n * Copyright 2017 The Chromium Authors. All rights reserved.\n * Use of this source code is governed by a BSD-style license that can be\n * found in the LICENSE file.\n */\n\n.drop-down {\n  padding: 1px;\n  box-shadow: var(--drop-shadow);\n  background: white;\n}\n\n.preview-item {\n  border-color: transparent;\n  border-style: solid;\n  border-width: 1px 5px;\n  padding: 2px 0px;\n  margin: 2px 1px;\n}\n\n.preview-item.selected {\n  border-color: var(--selection-bg-color);\n}\n\n.preview-item canvas {\n  width: 100%;\n  height: 100%;\n}\n\n.text-details {\n  font-size: 11px;\n  padding: 3px;\n}\n\n.text-details span {\n  flex: 1 0;\n  padding-left: 8px;\n  padding-right: 8px;\n}\n\n.text-details .name {\n  font-weight: bold;\n}\n\n.text-details span.time {\n  color: #555;\n  text-align: right;\n}\n\n.screenshot-thumb {\n  display: flex;\n  border: 1px solid #ccc;\n  margin: 2px 4px;\n}\n\n.screenshot-thumb img {\n  margin: auto;\n  max-width: 100%;\n  max-height: 100%;\n}\n\n/*# sourceURL=timeline/timelineHistoryManager.css */";Runtime.cachedResources["timeline/timelinePanel.css"]="/*\n * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.\n * Copyright (C) 2009 Anthony Ricaud <rik@webkit.org>\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions\n * are met:\n *\n * 1.  Redistributions of source code must retain the above copyright\n *     notice, this list of conditions and the following disclaimer.\n * 2.  Redistributions in binary form must reproduce the above copyright\n *     notice, this list of conditions and the following disclaimer in the\n *     documentation and/or other materials provided with the distribution.\n * 3.  Neither the name of Apple Computer, Inc. (\"Apple\") nor the names of\n *     its contributors may be used to endorse or promote products