Profiler.ProfileType=class extends Common.Object{constructor(id,name){super();this._id=id;this._name=name;this._profiles=[];this._profileBeingRecorded=null;this._nextProfileUid=1;if(!window.opener)
window.addEventListener('unload',this._clearTempStorage.bind(this),false);}
typeName(){return'';}
nextProfileUid(){return this._nextProfileUid;}
incrementProfileUid(){return this._nextProfileUid++;}
hasTemporaryView(){return false;}
fileExtension(){return null;}
get buttonTooltip(){return'';}
get id(){return this._id;}
get treeItemTitle(){return this._name;}
get name(){return this._name;}
buttonClicked(){return false;}
get description(){return'';}
isInstantProfile(){return false;}
isEnabled(){return true;}
getProfiles(){function isFinished(profile){return this._profileBeingRecorded!==profile;}
return this._profiles.filter(isFinished.bind(this));}
decorationElement(){return null;}
getProfile(uid){for(let i=0;i<this._profiles.length;++i){if(this._profiles[i].uid===uid)
return this._profiles[i];}
return null;}
loadFromFile(file){let name=file.name;const fileExtension=this.fileExtension();if(fileExtension&&name.endsWith(fileExtension))
name=name.substr(0,name.length-fileExtension.length);const profile=this.createProfileLoadedFromFile(name);profile.setFromFile();this.setProfileBeingRecorded(profile);this.addProfile(profile);return profile.loadFromFile(file);}
createProfileLoadedFromFile(title){throw new Error('Needs implemented.');}
addProfile(profile){this._profiles.push(profile);this.dispatchEventToListeners(Profiler.ProfileType.Events.AddProfileHeader,profile);}
removeProfile(profile){const index=this._profiles.indexOf(profile);if(index===-1)
return;this._profiles.splice(index,1);this._disposeProfile(profile);}
_clearTempStorage(){for(let i=0;i<this._profiles.length;++i)
this._profiles[i].removeTempFile();}
profileBeingRecorded(){return this._profileBeingRecorded;}
setProfileBeingRecorded(profile){this._profileBeingRecorded=profile;}
profileBeingRecordedRemoved(){}
reset(){for(const profile of this._profiles.slice())
this._disposeProfile(profile);this._profiles=[];this._nextProfileUid=1;}
_disposeProfile(profile){this.dispatchEventToListeners(Profiler.ProfileType.Events.RemoveProfileHeader,profile);profile.dispose();if(this._profileBeingRecorded===profile){this.profileBeingRecordedRemoved();this.setProfileBeingRecorded(null);}}};Profiler.ProfileType.Events={AddProfileHeader:Symbol('add-profile-header'),ProfileComplete:Symbol('profile-complete'),RemoveProfileHeader:Symbol('remove-profile-header'),ViewUpdated:Symbol('view-updated')};Profiler.ProfileType.DataDisplayDelegate=function(){};Profiler.ProfileType.DataDisplayDelegate.prototype={showProfile(profile){},showObject(snapshotObjectId,perspectiveName){}};;Profiler.ProfileHeader=class extends Common.Object{constructor(profileType,title){super();this._profileType=profileType;this.title=title;this.uid=profileType.incrementProfileUid();this._fromFile=false;}
setTitle(title){this.title=title;this.dispatchEventToListeners(Profiler.ProfileHeader.Events.ProfileTitleChanged,this);}
profileType(){return this._profileType;}
updateStatus(subtitle,wait){this.dispatchEventToListeners(Profiler.ProfileHeader.Events.UpdateStatus,new Profiler.ProfileHeader.StatusUpdate(subtitle,wait));}
createSidebarTreeElement(dataDisplayDelegate){throw new Error('Not implemented.');}
createView(dataDisplayDelegate){throw new Error('Not implemented.');}
removeTempFile(){if(this._tempFile)
this._tempFile.remove();}
dispose(){}
canSaveToFile(){return false;}
saveToFile(){throw new Error('Not implemented');}
loadFromFile(file){throw new Error('Not implemented');}
fromFile(){return this._fromFile;}
setFromFile(){this._fromFile=true;}
setProfile(profile){}};Profiler.ProfileHeader.StatusUpdate=class{constructor(subtitle,wait){this.subtitle=subtitle;this.wait=wait;}};Profiler.ProfileHeader.Events={UpdateStatus:Symbol('UpdateStatus'),ProfileReceived:Symbol('ProfileReceived'),ProfileTitleChanged:Symbol('ProfileTitleChanged')};;Profiler.ProfilesPanel=class extends UI.PanelWithSidebar{constructor(name,profileTypes,recordingActionId){super(name);this._profileTypes=profileTypes;this.registerRequiredCSS('ui/panelEnablerView.css');this.registerRequiredCSS('profiler/heapProfiler.css');this.registerRequiredCSS('profiler/profilesPanel.css');this.registerRequiredCSS('object_ui/objectValue.css');const mainContainer=new UI.VBox();this.splitWidget().setMainWidget(mainContainer);this.profilesItemTreeElement=new Profiler.ProfilesSidebarTreeElement(this);this._sidebarTree=new UI.TreeOutlineInShadow();this._sidebarTree.registerRequiredCSS('profiler/profilesSidebarTree.css');this._sidebarTree.element.classList.add('profiles-sidebar-tree-box');this.panelSidebarElement().appendChild(this._sidebarTree.element);this._sidebarTree.appendChild(this.profilesItemTreeElement);this.profileViews=createElement('div');this.profileViews.id='profile-views';this.profileViews.classList.add('vbox');mainContainer.element.appendChild(this.profileViews);this._toolbarElement=createElementWithClass('div','profiles-toolbar');mainContainer.element.insertBefore(this._toolbarElement,mainContainer.element.firstChild);this.panelSidebarElement().classList.add('profiles-tree-sidebar');const toolbarContainerLeft=createElementWithClass('div','profiles-toolbar');this.panelSidebarElement().insertBefore(toolbarContainerLeft,this.panelSidebarElement().firstChild);const toolbar=new UI.Toolbar('',toolbarContainerLeft);this._toggleRecordAction=(UI.actionRegistry.action(recordingActionId));this._toggleRecordButton=UI.Toolbar.createActionButton(this._toggleRecordAction);toolbar.appendToolbarItem(this._toggleRecordButton);this.clearResultsButton=new UI.ToolbarButton(Common.UIString('Clear all profiles'),'largeicon-clear');this.clearResultsButton.addEventListener(UI.ToolbarButton.Events.Click,this._reset,this);toolbar.appendToolbarItem(this.clearResultsButton);toolbar.appendSeparator();toolbar.appendToolbarItem(UI.Toolbar.createActionButtonForId('components.collect-garbage'));this._profileViewToolbar=new UI.Toolbar('',this._toolbarElement);this._profileGroups={};this._launcherView=new Profiler.ProfileLauncherView(this);this._launcherView.addEventListener(Profiler.ProfileLauncherView.Events.ProfileTypeSelected,this._onProfileTypeSelected,this);this._profileToView=[];this._typeIdToSidebarSection={};const types=this._profileTypes;for(let i=0;i<types.length;i++)
this._registerProfileType(types[i]);this._launcherView.restoreSelectedProfileType();this.profilesItemTreeElement.select();this._showLauncherView();this._createFileSelectorElement();this.element.addEventListener('contextmenu',this._handleContextMenuEvent.bind(this),false);this.contentElement.addEventListener('keydown',this._onKeyDown.bind(this),false);SDK.targetManager.addEventListener(SDK.TargetManager.Events.SuspendStateChanged,this._onSuspendStateChanged,this);}
_onKeyDown(event){let handled=false;if(event.key==='ArrowDown'&&!event.altKey)
handled=this._sidebarTree.selectNext();else if(event.key==='ArrowUp'&&!event.altKey)
handled=this._sidebarTree.selectPrevious();if(handled)
event.consume(true);}
searchableView(){return this.visibleView&&this.visibleView.searchableView?this.visibleView.searchableView():null;}
_createFileSelectorElement(){if(this._fileSelectorElement)
this.element.removeChild(this._fileSelectorElement);this._fileSelectorElement=UI.createFileSelectorElement(this._loadFromFile.bind(this));Profiler.ProfilesPanel._fileSelectorElement=this._fileSelectorElement;this.element.appendChild(this._fileSelectorElement);}
_findProfileTypeByExtension(fileName){return this._profileTypes.find(type=>!!type.fileExtension()&&fileName.endsWith(type.fileExtension()||''))||null;}
async _loadFromFile(file){this._createFileSelectorElement();const profileType=this._findProfileTypeByExtension(file.name);if(!profileType){const extensions=new Set(this._profileTypes.map(type=>type.fileExtension()).filter(ext=>ext));Common.console.error(Common.UIString(`Can't load file. Supported file extensions: '%s'.`,Array.from(extensions).join(`', '`)));return;}
if(!!profileType.profileBeingRecorded()){Common.console.error(Common.UIString(`Can't load profile while another profile is being recorded.`));return;}
const error=await profileType.loadFromFile(file);if(error)
UI.MessageDialog.show(Common.UIString('Profile loading failed: %s.',error.message));}
toggleRecord(){if(!this._toggleRecordAction.enabled())
return true;const type=this._selectedProfileType;const isProfiling=type.buttonClicked();this._updateToggleRecordAction(isProfiling);if(isProfiling){this._launcherView.profileStarted();if(type.hasTemporaryView())
this.showProfile(type.profileBeingRecorded());}else{this._launcherView.profileFinished();}
return true;}
_onSuspendStateChanged(){this._updateToggleRecordAction(this._toggleRecordAction.toggled());}
_updateToggleRecordAction(toggled){const enable=toggled||!SDK.targetManager.allTargetsSuspended();this._toggleRecordAction.setEnabled(enable);this._toggleRecordAction.setToggled(toggled);if(enable)
this._toggleRecordButton.setTitle(this._selectedProfileType?this._selectedProfileType.buttonTooltip:'');else
this._toggleRecordButton.setTitle(UI.anotherProfilerActiveLabel());if(this._selectedProfileType)
this._launcherView.updateProfileType(this._selectedProfileType,enable);}
_profileBeingRecordedRemoved(){this._updateToggleRecordAction(false);this._launcherView.profileFinished();}
_onProfileTypeSelected(event){this._selectedProfileType=(event.data);this._updateProfileTypeSpecificUI();}
_updateProfileTypeSpecificUI(){this._updateToggleRecordAction(this._toggleRecordAction.toggled());}
_reset(){this._profileTypes.forEach(type=>type.reset());delete this.visibleView;this._profileGroups={};this._updateToggleRecordAction(false);this._launcherView.profileFinished();this._sidebarTree.element.classList.remove('some-expandable');this._launcherView.detach();this.profileViews.removeChildren();this._profileViewToolbar.removeToolbarItems();this.clearResultsButton.element.classList.remove('hidden');this.profilesItemTreeElement.select();this._showLauncherView();}
_showLauncherView(){this.closeVisibleView();this._profileViewToolbar.removeToolbarItems();this._launcherView.show(this.profileViews);this.visibleView=this._launcherView;this._toolbarElement.classList.add('hidden');}
_registerProfileType(profileType){this._launcherView.addProfileType(profileType);const profileTypeSection=new Profiler.ProfileTypeSidebarSection(this,profileType);this._typeIdToSidebarSection[profileType.id]=profileTypeSection;this._sidebarTree.appendChild(profileTypeSection);profileTypeSection.childrenListElement.addEventListener('contextmenu',this._handleContextMenuEvent.bind(this),false);function onAddProfileHeader(event){this._addProfileHeader((event.data));}
function onRemoveProfileHeader(event){this._removeProfileHeader((event.data));}
function profileComplete(event){this.showProfile((event.data));}
profileType.addEventListener(Profiler.ProfileType.Events.ViewUpdated,this._updateProfileTypeSpecificUI,this);profileType.addEventListener(Profiler.ProfileType.Events.AddProfileHeader,onAddProfileHeader,this);profileType.addEventListener(Profiler.ProfileType.Events.RemoveProfileHeader,onRemoveProfileHeader,this);profileType.addEventListener(Profiler.ProfileType.Events.ProfileComplete,profileComplete,this);const profiles=profileType.getProfiles();for(let i=0;i<profiles.length;i++)
this._addProfileHeader(profiles[i]);}
_handleContextMenuEvent(event){const contextMenu=new UI.ContextMenu(event);if(this.visibleView instanceof Profiler.HeapSnapshotView)
this.visibleView.populateContextMenu(contextMenu,event);if(this.panelSidebarElement().isSelfOrAncestor(event.srcElement)){contextMenu.defaultSection().appendItem(Common.UIString('Load\u2026'),this._fileSelectorElement.click.bind(this._fileSelectorElement));}
contextMenu.show();}
showLoadFromFileDialog(){this._fileSelectorElement.click();}
_addProfileHeader(profile){const profileType=profile.profileType();const typeId=profileType.id;this._typeIdToSidebarSection[typeId].addProfileHeader(profile);if(!this.visibleView||this.visibleView===this._launcherView)
this.showProfile(profile);}
_removeProfileHeader(profile){if(profile.profileType().profileBeingRecorded()===profile)
this._profileBeingRecordedRemoved();const i=this._indexOfViewForProfile(profile);if(i!==-1)
this._profileToView.splice(i,1);const profileType=profile.profileType();const typeId=profileType.id;const sectionIsEmpty=this._typeIdToSidebarSection[typeId].removeProfileHeader(profile);if(sectionIsEmpty){this.profilesItemTreeElement.select();this._showLauncherView();}}
showProfile(profile){if(!profile||(profile.profileType().profileBeingRecorded()===profile)&&!profile.profileType().hasTemporaryView())
return null;const view=this.viewForProfile(profile);if(view===this.visibleView)
return view;this.closeVisibleView();view.show(this.profileViews);view.focus();this._toolbarElement.classList.remove('hidden');this.visibleView=view;const profileTypeSection=this._typeIdToSidebarSection[profile.profileType().id];const sidebarElement=profileTypeSection.sidebarElementForProfile(profile);sidebarElement.revealAndSelect();this._profileViewToolbar.removeToolbarItems();const toolbarItems=view.syncToolbarItems();for(let i=0;i<toolbarItems.length;++i)
this._profileViewToolbar.appendToolbarItem(toolbarItems[i]);return view;}
showObject(snapshotObjectId,perspectiveName){}
viewForProfile(profile){const index=this._indexOfViewForProfile(profile);if(index!==-1)
return this._profileToView[index].view;const view=profile.createView(this);view.element.classList.add('profile-view');this._profileToView.push({profile:profile,view:view});return view;}
_indexOfViewForProfile(profile){for(let i=0;i<this._profileToView.length;i++){if(this._profileToView[i].profile===profile)
return i;}
return-1;}
closeVisibleView(){if(this.visibleView)
this.visibleView.detach();delete this.visibleView;}
focus(){this._sidebarTree.focus();}};Profiler.ProfileTypeSidebarSection=class extends UI.TreeElement{constructor(dataDisplayDelegate,profileType){super(profileType.treeItemTitle.escapeHTML(),true);this.selectable=false;this._dataDisplayDelegate=dataDisplayDelegate;this._profileTreeElements=[];this._profileGroups={};this.expand();this.hidden=true;this.setCollapsible(false);}
addProfileHeader(profile){this.hidden=false;const profileType=profile.profileType();let sidebarParent=this;const profileTreeElement=profile.createSidebarTreeElement(this._dataDisplayDelegate);this._profileTreeElements.push(profileTreeElement);if(!profile.fromFile()&&profileType.profileBeingRecorded()!==profile){const profileTitle=profile.title;let group=this._profileGroups[profileTitle];if(!group){group=new Profiler.ProfileTypeSidebarSection.ProfileGroup();this._profileGroups[profileTitle]=group;}
group.profileSidebarTreeElements.push(profileTreeElement);const groupSize=group.profileSidebarTreeElements.length;if(groupSize===2){group.sidebarTreeElement=new Profiler.ProfileGroupSidebarTreeElement(this._dataDisplayDelegate,profile.title);const firstProfileTreeElement=group.profileSidebarTreeElements[0];const index=this.children().indexOf(firstProfileTreeElement);this.insertChild(group.sidebarTreeElement,index);const selected=firstProfileTreeElement.selected;this.removeChild(firstProfileTreeElement);group.sidebarTreeElement.appendChild(firstProfileTreeElement);if(selected)
firstProfileTreeElement.revealAndSelect();firstProfileTreeElement.setSmall(true);firstProfileTreeElement.setMainTitle(Common.UIString('Run %d',1));this.treeOutline.element.classList.add('some-expandable');}
if(groupSize>=2){sidebarParent=group.sidebarTreeElement;profileTreeElement.setSmall(true);profileTreeElement.setMainTitle(Common.UIString('Run %d',groupSize));}}
sidebarParent.appendChild(profileTreeElement);}
removeProfileHeader(profile){const index=this._sidebarElementIndex(profile);if(index===-1)
return false;const profileTreeElement=this._profileTreeElements[index];this._profileTreeElements.splice(index,1);let sidebarParent=this;const group=this._profileGroups[profile.title];if(group){const groupElements=group.profileSidebarTreeElements;groupElements.splice(groupElements.indexOf(profileTreeElement),1);if(groupElements.length===1){const pos=sidebarParent.children().indexOf((group.sidebarTreeElement));group.sidebarTreeElement.removeChild(groupElements[0]);this.insertChild(groupElements[0],pos);groupElements[0].setSmall(false);groupElements[0].setMainTitle(profile.title);this.removeChild(group.sidebarTreeElement);}
if(groupElements.length!==0)
sidebarParent=group.sidebarTreeElement;}
sidebarParent.removeChild(profileTreeElement);profileTreeElement.dispose();if(this.childCount())
return false;this.hidden=true;return true;}
sidebarElementForProfile(profile){const index=this._sidebarElementIndex(profile);return index===-1?null:this._profileTreeElements[index];}
_sidebarElementIndex(profile){const elements=this._profileTreeElements;for(let i=0;i<elements.length;i++){if(elements[i].profile===profile)
return i;}
return-1;}
onattach(){this.listItemElement.classList.add('profiles-tree-section');}};Profiler.ProfileTypeSidebarSection.ProfileGroup=class{constructor(){this.profileSidebarTreeElements=[];this.sidebarTreeElement=null;}};Profiler.ProfileSidebarTreeElement=class extends UI.TreeElement{constructor(dataDisplayDelegate,profile,className){super('',false);this._iconElement=createElementWithClass('div','icon');this._titlesElement=createElementWithClass('div','titles no-subtitle');this._titleContainer=this._titlesElement.createChild('span','title-container');this._titleElement=this._titleContainer.createChild('span','title');this._subtitleElement=this._titlesElement.createChild('span','subtitle');this._titleElement.textContent=profile.title;this._className=className;this._small=false;this._dataDisplayDelegate=dataDisplayDelegate;this.profile=profile;profile.addEventListener(Profiler.ProfileHeader.Events.UpdateStatus,this._updateStatus,this);if(profile.canSaveToFile())
this._createSaveLink();else
profile.addEventListener(Profiler.ProfileHeader.Events.ProfileReceived,this._onProfileReceived,this);}
_createSaveLink(){this._saveLinkElement=this._titleContainer.createChild('span','save-link');this._saveLinkElement.textContent=Common.UIString('Save');this._saveLinkElement.addEventListener('click',this._saveProfile.bind(this),false);}
_onProfileReceived(event){this._createSaveLink();}
_updateStatus(event){const statusUpdate=event.data;if(statusUpdate.subtitle!==null){this._subtitleElement.textContent=statusUpdate.subtitle||'';this._titlesElement.classList.toggle('no-subtitle',!statusUpdate.subtitle);}
if(typeof statusUpdate.wait==='boolean'&&this.listItemElement)
this.listItemElement.classList.toggle('wait',statusUpdate.wait);}
ondblclick(event){if(!this._editing)
this._startEditing((event.target));return false;}
_startEditing(eventTarget){const container=eventTarget.enclosingNodeOrSelfWithClass('title');if(!container)
return;const config=new UI.InplaceEditor.Config(this._editingCommitted.bind(this),this._editingCancelled.bind(this));this._editing=UI.InplaceEditor.startEditing(container,config);}
_editingCommitted(container,newTitle){delete this._editing;this.profile.setTitle(newTitle);}
_editingCancelled(){delete this._editing;}
dispose(){this.profile.removeEventListener(Profiler.ProfileHeader.Events.UpdateStatus,this._updateStatus,this);this.profile.removeEventListener(Profiler.ProfileHeader.Events.ProfileReceived,this._onProfileReceived,this);}
onselect(){this._dataDisplayDelegate.showProfile(this.profile);return true;}
ondelete(){this.profile.profileType().removeProfile(this.profile);return true;}
onattach(){if(this._className)
this.listItemElement.classList.add(this._className);if(this._small)
this.listItemElement.classList.add('small');this.listItemElement.appendChildren(this._iconElement,this._titlesElement);this.listItemElement.addEventListener('contextmenu',this._handleContextMenuEvent.bind(this),true);}
_handleContextMenuEvent(event){const profile=this.profile;const contextMenu=new UI.ContextMenu(event);contextMenu.headerSection().appendItem(Common.UIString('Load\u2026'),Profiler.ProfilesPanel._fileSelectorElement.click.bind(Profiler.ProfilesPanel._fileSelectorElement));if(profile.canSaveToFile())
contextMenu.saveSection().appendItem(Common.UIString('Save\u2026'),profile.saveToFile.bind(profile));contextMenu.footerSection().appendItem(Common.UIString('Delete'),this.ondelete.bind(this));contextMenu.show();}
_saveProfile(event){this.profile.saveToFile();}
setSmall(small){this._small=small;if(this.listItemElement)
this.listItemElement.classList.toggle('small',this._small);}
setMainTitle(title){this._titleElement.textContent=title;}};Profiler.ProfileGroupSidebarTreeElement=class extends UI.TreeElement{constructor(dataDisplayDelegate,title){super('',true);this.selectable=false;this._dataDisplayDelegate=dataDisplayDelegate;this._title=title;this.expand();this.toggleOnClick=true;}
onselect(){const hasChildren=this.childCount()>0;if(hasChildren)
this._dataDisplayDelegate.showProfile(this.lastChild().profile);return hasChildren;}
onattach(){this.listItemElement.classList.add('profile-group-sidebar-tree-item');this.listItemElement.createChild('div','icon');this.listItemElement.createChild('div','titles no-subtitle').createChild('span','title-container').createChild('span','title').textContent=this._title;}};Profiler.ProfilesSidebarTreeElement=class extends UI.TreeElement{constructor(panel){super('',false);this.selectable=true;this._panel=panel;}
onselect(){this._panel._showLauncherView();return true;}
onattach(){this.listItemElement.classList.add('profile-launcher-view-tree-item');this.listItemElement.createChild('div','icon');this.listItemElement.createChild('div','titles no-subtitle').createChild('span','title-container').createChild('span','title').textContent=Common.UIString('Profiles');}};Profiler.JSProfilerPanel=class extends Profiler.ProfilesPanel{constructor(){const registry=Profiler.ProfileTypeRegistry.instance;super('js_profiler',[registry.cpuProfileType],'profiler.js-toggle-recording');}
wasShown(){UI.context.setFlavor(Profiler.JSProfilerPanel,this);}
willHide(){UI.context.setFlavor(Profiler.JSProfilerPanel,null);}
handleAction(context,actionId){const panel=UI.context.flavor(Profiler.JSProfilerPanel);console.assert(panel&&panel instanceof Profiler.JSProfilerPanel);panel.toggleRecord();return true;}};;Profiler.ProfileView=class extends UI.SimpleView{constructor(){super(Common.UIString('Profile'));this._searchableView=new UI.SearchableView(this);this._searchableView.setPlaceholder(Common.UIString('Find by cost (>50ms), name or file'));this._searchableView.show(this.element);const columns=([]);columns.push({id:'self',title:this.columnHeader('self'),width:'120px',fixedWidth:true,sortable:true,sort:DataGrid.DataGrid.Order.Descending});columns.push({id:'total',title:this.columnHeader('total'),width:'120px',fixedWidth:true,sortable:true});columns.push({id:'function',title:Common.UIString('Function'),disclosure:true,sortable:true});this.dataGrid=new DataGrid.DataGrid(columns);this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SortingChanged,this._sortProfile,this);this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._nodeSelected.bind(this,true));this.dataGrid.addEventListener(DataGrid.DataGrid.Events.DeselectedNode,this._nodeSelected.bind(this,false));this.viewSelectComboBox=new UI.ToolbarComboBox(this._changeView.bind(this));this.focusButton=new UI.ToolbarButton(Common.UIString('Focus selected function'),'largeicon-visibility');this.focusButton.setEnabled(false);this.focusButton.addEventListener(UI.ToolbarButton.Events.Click,this._focusClicked,this);this.excludeButton=new UI.ToolbarButton(Common.UIString('Exclude selected function'),'largeicon-delete');this.excludeButton.setEnabled(false);this.excludeButton.addEventListener(UI.ToolbarButton.Events.Click,this._excludeClicked,this);this.resetButton=new UI.ToolbarButton(Common.UIString('Restore all functions'),'largeicon-refresh');this.resetButton.setEnabled(false);this.resetButton.addEventListener(UI.ToolbarButton.Events.Click,this._resetClicked,this);this._linkifier=new Components.Linkifier(Profiler.ProfileView._maxLinkLength);}
static buildPopoverTable(entryInfo){const table=createElement('table');for(const entry of entryInfo){const row=table.createChild('tr');row.createChild('td').textContent=entry.title;row.createChild('td').textContent=entry.value;}
return table;}
initialize(nodeFormatter,viewTypes){this._nodeFormatter=nodeFormatter;this._viewType=Common.settings.createSetting('profileView',Profiler.ProfileView.ViewTypes.Heavy);viewTypes=viewTypes||[Profiler.ProfileView.ViewTypes.Flame,Profiler.ProfileView.ViewTypes.Heavy,Profiler.ProfileView.ViewTypes.Tree];const optionNames=new Map([[Profiler.ProfileView.ViewTypes.Flame,Common.UIString('Chart')],[Profiler.ProfileView.ViewTypes.Heavy,Common.UIString('Heavy (Bottom Up)')],[Profiler.ProfileView.ViewTypes.Tree,Common.UIString('Tree (Top Down)')],]);const options=new Map(viewTypes.map(type=>[type,this.viewSelectComboBox.createOption(optionNames.get(type),'',type)]));const optionName=this._viewType.get()||viewTypes[0];const option=options.get(optionName)||options.get(viewTypes[0]);this.viewSelectComboBox.select(option);this._changeView();if(this._flameChart)
this._flameChart.update();}
focus(){if(this._flameChart)
this._flameChart.focus();else
super.focus();}
columnHeader(columnId){throw'Not implemented';}
selectRange(timeLeft,timeRight){if(!this._flameChart)
return;this._flameChart.selectRange(timeLeft,timeRight);}
syncToolbarItems(){return[this.viewSelectComboBox,this.focusButton,this.excludeButton,this.resetButton];}
_getBottomUpProfileDataGridTree(){if(!this._bottomUpProfileDataGridTree){this._bottomUpProfileDataGridTree=new Profiler.BottomUpProfileDataGridTree(this._nodeFormatter,this._searchableView,this.profile.root,this.adjustedTotal);}
return this._bottomUpProfileDataGridTree;}
_getTopDownProfileDataGridTree(){if(!this._topDownProfileDataGridTree){this._topDownProfileDataGridTree=new Profiler.TopDownProfileDataGridTree(this._nodeFormatter,this._searchableView,this.profile.root,this.adjustedTotal);}
return this._topDownProfileDataGridTree;}
willHide(){this._currentSearchResultIndex=-1;}
refresh(){const selectedProfileNode=this.dataGrid.selectedNode?this.dataGrid.selectedNode.profileNode:null;this.dataGrid.rootNode().removeChildren();const children=this.profileDataGridTree.children;const count=children.length;for(let index=0;index<count;++index)
this.dataGrid.rootNode().appendChild(children[index]);if(selectedProfileNode)
selectedProfileNode.selected=true;}
refreshVisibleData(){let child=this.dataGrid.rootNode().children[0];while(child){child.refresh();child=child.traverseNextNode(false,null,true);}}
searchableView(){return this._searchableView;}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return false;}
searchCanceled(){this._searchableElement.searchCanceled();}
performSearch(searchConfig,shouldJump,jumpBackwards){this._searchableElement.performSearch(searchConfig,shouldJump,jumpBackwards);}
jumpToNextSearchResult(){this._searchableElement.jumpToNextSearchResult();}
jumpToPreviousSearchResult(){this._searchableElement.jumpToPreviousSearchResult();}
linkifier(){return this._linkifier;}
createFlameChartDataProvider(){throw'Not implemented';}
_ensureFlameChartCreated(){if(this._flameChart)
return;this._dataProvider=this.createFlameChartDataProvider();this._flameChart=new Profiler.CPUProfileFlameChart(this._searchableView,this._dataProvider);this._flameChart.addEventListener(PerfUI.FlameChart.Events.EntrySelected,this._onEntrySelected.bind(this));}
_onEntrySelected(event){const entryIndex=event.data;const node=this._dataProvider._entryNodes[entryIndex];const debuggerModel=this._profileHeader._debuggerModel;if(!node||!node.scriptId||!debuggerModel)
return;const script=debuggerModel.scriptForId(node.scriptId);if(!script)
return;const location=(debuggerModel.createRawLocation(script,node.lineNumber,node.columnNumber));Common.Revealer.reveal(Bindings.debuggerWorkspaceBinding.rawLocationToUILocation(location));}
_changeView(){if(!this.profile)
return;this._searchableView.closeSearch();if(this._visibleView)
this._visibleView.detach();this._viewType.set(this.viewSelectComboBox.selectedOption().value);switch(this._viewType.get()){case Profiler.ProfileView.ViewTypes.Flame:this._ensureFlameChartCreated();this._visibleView=this._flameChart;this._searchableElement=this._flameChart;break;case Profiler.ProfileView.ViewTypes.Tree:this.profileDataGridTree=this._getTopDownProfileDataGridTree();this._sortProfile();this._visibleView=this.dataGrid.asWidget();this._searchableElement=this.profileDataGridTree;break;case Profiler.ProfileView.ViewTypes.Heavy:this.profileDataGridTree=this._getBottomUpProfileDataGridTree();this._sortProfile();this._visibleView=this.dataGrid.asWidget();this._searchableElement=this.profileDataGridTree;break;}
const isFlame=this._viewType.get()===Profiler.ProfileView.ViewTypes.Flame;this.focusButton.setVisible(!isFlame);this.excludeButton.setVisible(!isFlame);this.resetButton.setVisible(!isFlame);this._visibleView.show(this._searchableView.element);}
_nodeSelected(selected){this.focusButton.setEnabled(selected);this.excludeButton.setEnabled(selected);}
_focusClicked(event){if(!this.dataGrid.selectedNode)
return;this.resetButton.setEnabled(true);this.profileDataGridTree.focus(this.dataGrid.selectedNode);this.refresh();this.refreshVisibleData();Host.userMetrics.actionTaken(Host.UserMetrics.Action.CpuProfileNodeFocused);}
_excludeClicked(event){const selectedNode=this.dataGrid.selectedNode;if(!selectedNode)
return;selectedNode.deselect();this.resetButton.setEnabled(true);this.profileDataGridTree.exclude(selectedNode);this.refresh();this.refreshVisibleData();Host.userMetrics.actionTaken(Host.UserMetrics.Action.CpuProfileNodeExcluded);}
_resetClicked(event){this.resetButton.setEnabled(false);this.profileDataGridTree.restore();this._linkifier.reset();this.refresh();this.refreshVisibleData();}
_sortProfile(){const sortAscending=this.dataGrid.isSortOrderAscending();const sortColumnId=this.dataGrid.sortColumnId();const sortProperty=sortColumnId==='function'?'functionName':sortColumnId||'';this.profileDataGridTree.sort(Profiler.ProfileDataGridTree.propertyComparator(sortProperty,sortAscending));this.refresh();}};Profiler.ProfileView._maxLinkLength=30;Profiler.ProfileView.ViewTypes={Flame:'Flame',Tree:'Tree',Heavy:'Heavy'};Profiler.WritableProfileHeader=class extends Profiler.ProfileHeader{constructor(debuggerModel,type,title){super(type,title||Common.UIString('Profile %d',type.nextProfileUid()));this._debuggerModel=debuggerModel;this._tempFile=null;}
_onChunkTransferred(reader){this.updateStatus(Common.UIString('Loading\u2026 %d%%',Number.bytesToString(this._jsonifiedProfile.length)));}
_onError(reader){this.updateStatus(Common.UIString(`File '%s' read error: %s`,reader.fileName(),reader.error().message));}
async write(text){this._jsonifiedProfile+=text;}
close(){}
dispose(){this.removeTempFile();}
createSidebarTreeElement(panel){return new Profiler.ProfileSidebarTreeElement(panel,this,'profile-sidebar-tree-item');}
canSaveToFile(){return!this.fromFile()&&this._protocolProfile;}
async saveToFile(){const fileOutputStream=new Bindings.FileOutputStream();this._fileName=this._fileName||`${this.profileType().typeName()}-${new Date().toISO8601Compact()}${this.profileType().fileExtension()}`;const accepted=await fileOutputStream.open(this._fileName);if(!accepted||!this._tempFile)
return;const data=await this._tempFile.read();if(data)
await fileOutputStream.write(data);fileOutputStream.close();}
async loadFromFile(file){this.updateStatus(Common.UIString('Loading\u2026'),true);const fileReader=new Bindings.ChunkedFileReader(file,10000000,this._onChunkTransferred.bind(this));this._jsonifiedProfile='';const success=await fileReader.read(this);if(!success){this._onError(fileReader);return new Error(Common.UIString('Failed to read file'));}
this.updateStatus(Common.UIString('Parsing\u2026'),true);let error=null;try{this._profile=(JSON.parse(this._jsonifiedProfile));this.setProfile(this._profile);this.updateStatus(Common.UIString('Loaded'),false);}catch(e){error=e;this.profileType().removeProfile(this);}
this._jsonifiedProfile=null;if(this.profileType().profileBeingRecorded()===this)
this.profileType().setProfileBeingRecorded(null);return error;}
setProtocolProfile(profile){this.setProfile(profile);this._protocolProfile=profile;this._tempFile=new Bindings.TempFile();this._tempFile.write([JSON.stringify(profile)]);if(this.canSaveToFile())
this.dispatchEventToListeners(Profiler.ProfileHeader.Events.ProfileReceived);}};;Profiler.ProfileDataGridNode=class extends DataGrid.DataGridNode{constructor(profileNode,owningTree,hasChildren){super(null,hasChildren);this.profileNode=profileNode;this.tree=owningTree;this.childrenByCallUID=new Map();this.lastComparator=null;this.callUID=profileNode.callUID;this.self=profileNode.self;this.total=profileNode.total;this.functionName=UI.beautifyFunctionName(profileNode.functionName);this._deoptReason=profileNode.deoptReason||'';this.url=profileNode.url;}
static sort(gridNodeGroups,comparator,force){for(let gridNodeGroupIndex=0;gridNodeGroupIndex<gridNodeGroups.length;++gridNodeGroupIndex){const gridNodes=gridNodeGroups[gridNodeGroupIndex];const count=gridNodes.length;for(let index=0;index<count;++index){const gridNode=gridNodes[index];if(!force&&(!gridNode.expanded||gridNode.lastComparator===comparator)){if(gridNode.children.length)
gridNode.shouldRefreshChildren=true;continue;}
gridNode.lastComparator=comparator;const children=gridNode.children;const childCount=children.length;if(childCount){children.sort(comparator);for(let childIndex=0;childIndex<childCount;++childIndex)
children[childIndex].recalculateSiblings(childIndex);gridNodeGroups.push(children);}}}}
static merge(container,child,shouldAbsorb){container.self+=child.self;if(!shouldAbsorb)
container.total+=child.total;let children=container.children.slice();container.removeChildren();let count=children.length;for(let index=0;index<count;++index){if(!shouldAbsorb||children[index]!==child)
container.appendChild(children[index]);}
children=child.children.slice();count=children.length;for(let index=0;index<count;++index){const orphanedChild=children[index];const existingChild=container.childrenByCallUID.get(orphanedChild.callUID);if(existingChild)
existingChild.merge((orphanedChild),false);else
container.appendChild(orphanedChild);}}
static populate(container){if(container._populated)
return;container._populated=true;container.populateChildren();const currentComparator=container.tree.lastComparator;if(currentComparator)
container.sort(currentComparator,true);}
createCell(columnId){let cell;switch(columnId){case'self':cell=this._createValueCell(this.self,this.selfPercent);cell.classList.toggle('highlight',this._searchMatchedSelfColumn);break;case'total':cell=this._createValueCell(this.total,this.totalPercent);cell.classList.toggle('highlight',this._searchMatchedTotalColumn);break;case'function':cell=this.createTD(columnId);cell.classList.toggle('highlight',this._searchMatchedFunctionColumn);if(this._deoptReason){cell.classList.add('not-optimized');const warningIcon=UI.Icon.create('smallicon-warning','profile-warn-marker');warningIcon.title=Common.UIString('Not optimized: %s',this._deoptReason);cell.appendChild(warningIcon);}
cell.createTextChild(this.functionName);if(this.profileNode.scriptId==='0')
break;const urlElement=this.tree._formatter.linkifyNode(this);if(!urlElement)
break;urlElement.style.maxWidth='75%';cell.appendChild(urlElement);break;default:cell=super.createCell(columnId);break;}
return cell;}
_createValueCell(value,percent){const cell=createElementWithClass('td','numeric-column');const div=cell.createChild('div','profile-multiple-values');div.createChild('span').textContent=this.tree._formatter.formatValue(value,this);div.createChild('span','percent-column').textContent=this.tree._formatter.formatPercent(percent,this);return cell;}
sort(comparator,force){return Profiler.ProfileDataGridNode.sort([[this]],comparator,force);}
insertChild(profileDataGridNode,index){super.insertChild(profileDataGridNode,index);this.childrenByCallUID.set(profileDataGridNode.callUID,(profileDataGridNode));}
removeChild(profileDataGridNode){super.removeChild(profileDataGridNode);this.childrenByCallUID.delete(((profileDataGridNode)).callUID);}
removeChildren(){super.removeChildren();this.childrenByCallUID.clear();}
findChild(node){if(!node)
return null;return this.childrenByCallUID.get(node.callUID);}
get selfPercent(){return this.self/this.tree.total*100.0;}
get totalPercent(){return this.total/this.tree.total*100.0;}
populate(){Profiler.ProfileDataGridNode.populate(this);}
populateChildren(){}
save(){if(this._savedChildren)
return;this._savedSelf=this.self;this._savedTotal=this.total;this._savedChildren=this.children.slice();}
restore(){if(!this._savedChildren)
return;this.self=this._savedSelf;this.total=this._savedTotal;this.removeChildren();const children=this._savedChildren;const count=children.length;for(let index=0;index<count;++index){children[index].restore();this.appendChild(children[index]);}}
merge(child,shouldAbsorb){Profiler.ProfileDataGridNode.merge(this,child,shouldAbsorb);}};Profiler.ProfileDataGridTree=class{constructor(formatter,searchableView,total){this.tree=this;this.children=[];this._formatter=formatter;this._searchableView=searchableView;this.total=total;this.lastComparator=null;this.childrenByCallUID=new Map();this.deepSearch=true;}
static propertyComparator(property,isAscending){let comparator=Profiler.ProfileDataGridTree.propertyComparators[(isAscending?1:0)][property];if(!comparator){if(isAscending){comparator=function(lhs,rhs){if(lhs[property]<rhs[property])
return-1;if(lhs[property]>rhs[property])
return 1;return 0;};}else{comparator=function(lhs,rhs){if(lhs[property]>rhs[property])
return-1;if(lhs[property]<rhs[property])
return 1;return 0;};}
Profiler.ProfileDataGridTree.propertyComparators[(isAscending?1:0)][property]=comparator;}
return comparator;}
get expanded(){return true;}
appendChild(child){this.insertChild(child,this.children.length);}
insertChild(child,index){this.children.splice(index,0,child);this.childrenByCallUID.set(child.callUID,child);}
removeChildren(){this.children=[];this.childrenByCallUID.clear();}
populateChildren(){}
findChild(node){if(!node)
return null;return this.childrenByCallUID.get(node.callUID);}
sort(comparator,force){return Profiler.ProfileDataGridNode.sort([[this]],comparator,force);}
save(){if(this._savedChildren)
return;this._savedTotal=this.total;this._savedChildren=this.children.slice();}
restore(){if(!this._savedChildren)
return;this.children=this._savedChildren;this.total=this._savedTotal;const children=this.children;const count=children.length;for(let index=0;index<count;++index)
children[index].restore();this._savedChildren=null;}
_matchFunction(searchConfig){const query=searchConfig.query.trim();if(!query.length)
return null;const greaterThan=(query.startsWith('>'));const lessThan=(query.startsWith('<'));let equalTo=(query.startsWith('=')||((greaterThan||lessThan)&&query.indexOf('=')===1));const percentUnits=(query.endsWith('%'));const millisecondsUnits=(query.length>2&&query.endsWith('ms'));const secondsUnits=(!millisecondsUnits&&query.endsWith('s'));let queryNumber=parseFloat(query);if(greaterThan||lessThan||equalTo){if(equalTo&&(greaterThan||lessThan))
queryNumber=parseFloat(query.substring(2));else
queryNumber=parseFloat(query.substring(1));}
const queryNumberMilliseconds=(secondsUnits?(queryNumber*1000):queryNumber);if(!isNaN(queryNumber)&&!(greaterThan||lessThan))
equalTo=true;const matcher=createPlainTextSearchRegex(query,'i');function matchesQuery(profileDataGridNode){delete profileDataGridNode._searchMatchedSelfColumn;delete profileDataGridNode._searchMatchedTotalColumn;delete profileDataGridNode._searchMatchedFunctionColumn;if(percentUnits){if(lessThan){if(profileDataGridNode.selfPercent<queryNumber)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.totalPercent<queryNumber)
profileDataGridNode._searchMatchedTotalColumn=true;}else if(greaterThan){if(profileDataGridNode.selfPercent>queryNumber)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.totalPercent>queryNumber)
profileDataGridNode._searchMatchedTotalColumn=true;}
if(equalTo){if(profileDataGridNode.selfPercent===queryNumber)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.totalPercent===queryNumber)
profileDataGridNode._searchMatchedTotalColumn=true;}}else if(millisecondsUnits||secondsUnits){if(lessThan){if(profileDataGridNode.self<queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.total<queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn=true;}else if(greaterThan){if(profileDataGridNode.self>queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.total>queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn=true;}
if(equalTo){if(profileDataGridNode.self===queryNumberMilliseconds)
profileDataGridNode._searchMatchedSelfColumn=true;if(profileDataGridNode.total===queryNumberMilliseconds)
profileDataGridNode._searchMatchedTotalColumn=true;}}
if(profileDataGridNode.functionName.match(matcher)||(profileDataGridNode.url&&profileDataGridNode.url.match(matcher)))
profileDataGridNode._searchMatchedFunctionColumn=true;if(profileDataGridNode._searchMatchedSelfColumn||profileDataGridNode._searchMatchedTotalColumn||profileDataGridNode._searchMatchedFunctionColumn){profileDataGridNode.refresh();return true;}
return false;}
return matchesQuery;}
performSearch(searchConfig,shouldJump,jumpBackwards){this.searchCanceled();const matchesQuery=this._matchFunction(searchConfig);if(!matchesQuery)
return;this._searchResults=[];const deepSearch=this.deepSearch;for(let current=this.children[0];current;current=current.traverseNextNode(!deepSearch,null,!deepSearch)){if(matchesQuery(current))
this._searchResults.push({profileNode:current});}
this._searchResultIndex=jumpBackwards?0:this._searchResults.length-1;this._searchableView.updateSearchMatchesCount(this._searchResults.length);this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);}
searchCanceled(){if(this._searchResults){for(let i=0;i<this._searchResults.length;++i){const profileNode=this._searchResults[i].profileNode;delete profileNode._searchMatchedSelfColumn;delete profileNode._searchMatchedTotalColumn;delete profileNode._searchMatchedFunctionColumn;profileNode.refresh();}}
this._searchResults=[];this._searchResultIndex=-1;}
jumpToNextSearchResult(){if(!this._searchResults||!this._searchResults.length)
return;this._searchResultIndex=(this._searchResultIndex+1)%this._searchResults.length;this._jumpToSearchResult(this._searchResultIndex);}
jumpToPreviousSearchResult(){if(!this._searchResults||!this._searchResults.length)
return;this._searchResultIndex=(this._searchResultIndex-1+this._searchResults.length)%this._searchResults.length;this._jumpToSearchResult(this._searchResultIndex);}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return false;}
_jumpToSearchResult(index){const searchResult=this._searchResults[index];if(!searchResult)
return;const profileNode=searchResult.profileNode;profileNode.revealAndSelect();this._searchableView.updateCurrentMatchIndex(index);}};Profiler.ProfileDataGridTree.propertyComparators=[{},{}];Profiler.ProfileDataGridNode.Formatter=function(){};Profiler.ProfileDataGridNode.Formatter.prototype={formatValue(value,node){},formatPercent(value,node){},linkifyNode(node){}};;Profiler.BottomUpProfileDataGridNode=class extends Profiler.ProfileDataGridNode{constructor(profileNode,owningTree){super(profileNode,owningTree,!!profileNode.parent&&!!profileNode.parent.parent);this._remainingNodeInfos=[];}
static _sharedPopulate(container){const remainingNodeInfos=container._remainingNodeInfos;const count=remainingNodeInfos.length;for(let index=0;index<count;++index){const nodeInfo=remainingNodeInfos[index];const ancestor=nodeInfo.ancestor;const focusNode=nodeInfo.focusNode;let child=container.findChild(ancestor);if(child){const totalAccountedFor=nodeInfo.totalAccountedFor;child.self+=focusNode.self;if(!totalAccountedFor)
child.total+=focusNode.total;}else{child=new Profiler.BottomUpProfileDataGridNode(ancestor,(container.tree));if(ancestor!==focusNode){child.self=focusNode.self;child.total=focusNode.total;}
container.appendChild(child);}
const parent=ancestor.parent;if(parent&&parent.parent){nodeInfo.ancestor=parent;child._remainingNodeInfos.push(nodeInfo);}}
delete container._remainingNodeInfos;}
_takePropertiesFromProfileDataGridNode(profileDataGridNode){this.save();this.self=profileDataGridNode.self;this.total=profileDataGridNode.total;}
_keepOnlyChild(child){this.save();this.removeChildren();this.appendChild(child);}
_exclude(aCallUID){if(this._remainingNodeInfos)
this.populate();this.save();const children=this.children;let index=this.children.length;while(index--)
children[index]._exclude(aCallUID);const child=this.childrenByCallUID.get(aCallUID);if(child)
this.merge(child,true);}
restore(){super.restore();if(!this.children.length)
this.setHasChildren(this._willHaveChildren(this.profileNode));}
merge(child,shouldAbsorb){this.self-=child.self;super.merge(child,shouldAbsorb);}
populateChildren(){Profiler.BottomUpProfileDataGridNode._sharedPopulate(this);}
_willHaveChildren(profileNode){return!!(profileNode.parent&&profileNode.parent.parent);}};Profiler.BottomUpProfileDataGridTree=class extends Profiler.ProfileDataGridTree{constructor(formatter,searchableView,rootProfileNode,total){super(formatter,searchableView,total);this.deepSearch=false;let profileNodeUIDs=0;const profileNodeGroups=[[],[rootProfileNode]];const visitedProfileNodesForCallUID=new Map();this._remainingNodeInfos=[];for(let profileNodeGroupIndex=0;profileNodeGroupIndex<profileNodeGroups.length;++profileNodeGroupIndex){const parentProfileNodes=profileNodeGroups[profileNodeGroupIndex];const profileNodes=profileNodeGroups[++profileNodeGroupIndex];const count=profileNodes.length;for(let index=0;index<count;++index){const profileNode=profileNodes[index];if(!profileNode.UID)
profileNode.UID=++profileNodeUIDs;if(profileNode.parent){let visitedNodes=visitedProfileNodesForCallUID.get(profileNode.callUID);let totalAccountedFor=false;if(!visitedNodes){visitedNodes=new Set();visitedProfileNodesForCallUID.set(profileNode.callUID,visitedNodes);}else{const parentCount=parentProfileNodes.length;for(let parentIndex=0;parentIndex<parentCount;++parentIndex){if(visitedNodes.has(parentProfileNodes[parentIndex].UID)){totalAccountedFor=true;break;}}}
visitedNodes.add(profileNode.UID);this._remainingNodeInfos.push({ancestor:profileNode,focusNode:profileNode,totalAccountedFor:totalAccountedFor});}
const children=profileNode.children;if(children.length){profileNodeGroups.push(parentProfileNodes.concat([profileNode]));profileNodeGroups.push(children);}}}
Profiler.ProfileDataGridNode.populate(this);return this;}
focus(profileDataGridNode){if(!profileDataGridNode)
return;this.save();let currentNode=profileDataGridNode;let focusNode=profileDataGridNode;while(currentNode.parent&&(currentNode instanceof Profiler.ProfileDataGridNode)){currentNode._takePropertiesFromProfileDataGridNode(profileDataGridNode);focusNode=currentNode;currentNode=currentNode.parent;if(currentNode instanceof Profiler.ProfileDataGridNode)
currentNode._keepOnlyChild(focusNode);}
this.children=[focusNode];this.total=profileDataGridNode.total;}
exclude(profileDataGridNode){if(!profileDataGridNode)
return;this.save();const excludedCallUID=profileDataGridNode.callUID;const excludedTopLevelChild=this.childrenByCallUID.get(excludedCallUID);if(excludedTopLevelChild)
this.children.remove(excludedTopLevelChild);const children=this.children;const count=children.length;for(let index=0;index<count;++index)
children[index]._exclude(excludedCallUID);if(this.lastComparator)
this.sort(this.lastComparator,true);}
populateChildren(){Profiler.BottomUpProfileDataGridNode._sharedPopulate(this);}};;Profiler.TopDownProfileDataGridNode=class extends Profiler.ProfileDataGridNode{constructor(profileNode,owningTree){const hasChildren=!!(profileNode.children&&profileNode.children.length);super(profileNode,owningTree,hasChildren);this._remainingChildren=profileNode.children;}
static _sharedPopulate(container){const children=container._remainingChildren;const childrenLength=children.length;for(let i=0;i<childrenLength;++i){container.appendChild(new Profiler.TopDownProfileDataGridNode(children[i],(container.tree)));}
container._remainingChildren=null;}
static _excludeRecursively(container,aCallUID){if(container._remainingChildren)
container.populate();container.save();const children=container.children;let index=container.children.length;while(index--)
Profiler.TopDownProfileDataGridNode._excludeRecursively(children[index],aCallUID);const child=container.childrenByCallUID.get(aCallUID);if(child)
Profiler.ProfileDataGridNode.merge(container,child,true);}
populateChildren(){Profiler.TopDownProfileDataGridNode._sharedPopulate(this);}};Profiler.TopDownProfileDataGridTree=class extends Profiler.ProfileDataGridTree{constructor(formatter,searchableView,rootProfileNode,total){super(formatter,searchableView,total);this._remainingChildren=rootProfileNode.children;Profiler.ProfileDataGridNode.populate(this);}
focus(profileDataGridNode){if(!profileDataGridNode)
return;this.save();profileDataGridNode.savePosition();this.children=[profileDataGridNode];this.total=profileDataGridNode.total;}
exclude(profileDataGridNode){if(!profileDataGridNode)
return;this.save();Profiler.TopDownProfileDataGridNode._excludeRecursively(this,profileDataGridNode.callUID);if(this.lastComparator)
this.sort(this.lastComparator,true);}
restore(){if(!this._savedChildren)
return;this.children[0].restorePosition();super.restore();}
populateChildren(){Profiler.TopDownProfileDataGridNode._sharedPopulate(this);}};;Profiler.ProfileFlameChartDataProvider=class{constructor(){PerfUI.FlameChartDataProvider.call(this);this._colorGenerator=Profiler.ProfileFlameChartDataProvider.colorGenerator();}
static colorGenerator(){if(!Profiler.ProfileFlameChartDataProvider._colorGenerator){const colorGenerator=new Common.Color.Generator({min:30,max:330},{min:50,max:80,count:5},{min:80,max:90,count:3});colorGenerator.setColorForID('(idle)','hsl(0, 0%, 94%)');colorGenerator.setColorForID('(program)','hsl(0, 0%, 80%)');colorGenerator.setColorForID('(garbage collector)','hsl(0, 0%, 80%)');Profiler.ProfileFlameChartDataProvider._colorGenerator=colorGenerator;}
return Profiler.ProfileFlameChartDataProvider._colorGenerator;}
minimumBoundary(){return this._cpuProfile.profileStartTime;}
totalTime(){return this._cpuProfile.profileHead.total;}
formatValue(value,precision){return Number.preciseMillisToString(value,precision);}
maxStackDepth(){return this._maxStackDepth;}
timelineData(){return this._timelineData||this._calculateTimelineData();}
_calculateTimelineData(){throw'Not implemented.';}
prepareHighlightedEntryInfo(entryIndex){throw'Not implemented.';}
canJumpToEntry(entryIndex){return this._entryNodes[entryIndex].scriptId!=='0';}
entryTitle(entryIndex){const node=this._entryNodes[entryIndex];return UI.beautifyFunctionName(node.functionName);}
entryFont(entryIndex){if(!this._font){this._font='11px '+Host.fontFamily();this._boldFont='bold '+this._font;}
const node=this._entryNodes[entryIndex];return node.deoptReason?this._boldFont:this._font;}
entryColor(entryIndex){const node=this._entryNodes[entryIndex];return this._colorGenerator.colorForID(node.url||(node.scriptId!=='0'?node.scriptId:node.functionName));}
decorateEntry(entryIndex,context,text,barX,barY,barWidth,barHeight){return false;}
forceDecoration(entryIndex){return false;}
textColor(entryIndex){return'#333';}};Profiler.CPUProfileFlameChart=class extends UI.VBox{constructor(searchableView,dataProvider){super();this.element.id='cpu-flame-chart';this._searchableView=searchableView;this._overviewPane=new Profiler.CPUProfileFlameChart.OverviewPane(dataProvider);this._overviewPane.show(this.element);this._mainPane=new PerfUI.FlameChart(dataProvider,this._overviewPane);this._mainPane.setBarHeight(15);this._mainPane.setTextBaseline(4);this._mainPane.setTextPadding(2);this._mainPane.show(this.element);this._mainPane.addEventListener(PerfUI.FlameChart.Events.EntrySelected,this._onEntrySelected,this);this._overviewPane.addEventListener(PerfUI.OverviewGrid.Events.WindowChanged,this._onWindowChanged,this);this._dataProvider=dataProvider;this._searchResults=[];}
focus(){this._mainPane.focus();}
_onWindowChanged(event){const windowLeft=event.data.windowTimeLeft;const windowRight=event.data.windowTimeRight;this._mainPane.setWindowTimes(windowLeft,windowRight);}
selectRange(timeLeft,timeRight){this._overviewPane._selectRange(timeLeft,timeRight);}
_onEntrySelected(event){this.dispatchEventToListeners(PerfUI.FlameChart.Events.EntrySelected,event.data);}
update(){this._overviewPane.update();this._mainPane.update();}
performSearch(searchConfig,shouldJump,jumpBackwards){const matcher=createPlainTextSearchRegex(searchConfig.query,searchConfig.caseSensitive?'':'i');const selectedEntryIndex=this._searchResultIndex!==-1?this._searchResults[this._searchResultIndex]:-1;this._searchResults=[];const entriesCount=this._dataProvider._entryNodes.length;for(let index=0;index<entriesCount;++index){if(this._dataProvider.entryTitle(index).match(matcher))
this._searchResults.push(index);}
if(this._searchResults.length){this._searchResultIndex=this._searchResults.indexOf(selectedEntryIndex);if(this._searchResultIndex===-1)
this._searchResultIndex=jumpBackwards?this._searchResults.length-1:0;this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);}else{this.searchCanceled();}
this._searchableView.updateSearchMatchesCount(this._searchResults.length);this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);}
searchCanceled(){this._mainPane.setSelectedEntry(-1);this._searchResults=[];this._searchResultIndex=-1;}
jumpToNextSearchResult(){this._searchResultIndex=(this._searchResultIndex+1)%this._searchResults.length;this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);}
jumpToPreviousSearchResult(){this._searchResultIndex=(this._searchResultIndex-1+this._searchResults.length)%this._searchResults.length;this._mainPane.setSelectedEntry(this._searchResults[this._searchResultIndex]);this._searchableView.updateCurrentMatchIndex(this._searchResultIndex);}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return false;}};Profiler.CPUProfileFlameChart.OverviewCalculator=class{constructor(dataProvider){this._dataProvider=dataProvider;}
_updateBoundaries(overviewPane){this._minimumBoundaries=overviewPane._dataProvider.minimumBoundary();const totalTime=overviewPane._dataProvider.totalTime();this._maximumBoundaries=this._minimumBoundaries+totalTime;this._xScaleFactor=overviewPane._overviewContainer.clientWidth/totalTime;}
computePosition(time){return(time-this._minimumBoundaries)*this._xScaleFactor;}
formatValue(value,precision){return this._dataProvider.formatValue(value-this._minimumBoundaries,precision);}
maximumBoundary(){return this._maximumBoundaries;}
minimumBoundary(){return this._minimumBoundaries;}
zeroTime(){return this._minimumBoundaries;}
boundarySpan(){return this._maximumBoundaries-this._minimumBoundaries;}};Profiler.CPUProfileFlameChart.OverviewPane=class extends UI.VBox{constructor(dataProvider){super();this.element.classList.add('cpu-profile-flame-chart-overview-pane');this._overviewContainer=this.element.createChild('div','cpu-profile-flame-chart-overview-container');this._overviewGrid=new PerfUI.OverviewGrid('cpu-profile-flame-chart');this._overviewGrid.element.classList.add('fill');this._overviewCanvas=this._overviewContainer.createChild('canvas','cpu-profile-flame-chart-overview-canvas');this._overviewContainer.appendChild(this._overviewGrid.element);this._overviewCalculator=new Profiler.CPUProfileFlameChart.OverviewCalculator(dataProvider);this._dataProvider=dataProvider;this._overviewGrid.addEventListener(PerfUI.OverviewGrid.Events.WindowChanged,this._onWindowChanged,this);}
requestWindowTimes(windowStartTime,windowEndTime){this._selectRange(windowStartTime,windowEndTime);}
updateRangeSelection(startTime,endTime){}
_selectRange(timeLeft,timeRight){const startTime=this._dataProvider.minimumBoundary();const totalTime=this._dataProvider.totalTime();this._overviewGrid.setWindow((timeLeft-startTime)/totalTime,(timeRight-startTime)/totalTime);}
_onWindowChanged(event){const startTime=this._dataProvider.minimumBoundary();const totalTime=this._dataProvider.totalTime();const data={windowTimeLeft:startTime+this._overviewGrid.windowLeft()*totalTime,windowTimeRight:startTime+this._overviewGrid.windowRight()*totalTime};this.dispatchEventToListeners(PerfUI.OverviewGrid.Events.WindowChanged,data);}
_timelineData(){return this._dataProvider.timelineData();}
onResize(){this._scheduleUpdate();}
_scheduleUpdate(){if(this._updateTimerId)
return;this._updateTimerId=this.element.window().requestAnimationFrame(this.update.bind(this));}
update(){this._updateTimerId=0;const timelineData=this._timelineData();if(!timelineData)
return;this._resetCanvas(this._overviewContainer.clientWidth,this._overviewContainer.clientHeight-PerfUI.FlameChart.HeaderHeight);this._overviewCalculator._updateBoundaries(this);this._overviewGrid.updateDividers(this._overviewCalculator);this._drawOverviewCanvas();}
_drawOverviewCanvas(){const canvasWidth=this._overviewCanvas.width;const canvasHeight=this._overviewCanvas.height;const drawData=this._calculateDrawData(canvasWidth);const context=this._overviewCanvas.getContext('2d');const ratio=window.devicePixelRatio;const offsetFromBottom=ratio;const lineWidth=1;const yScaleFactor=canvasHeight/(this._dataProvider.maxStackDepth()*1.1);context.lineWidth=lineWidth;context.translate(0.5,0.5);context.strokeStyle='rgba(20,0,0,0.4)';context.fillStyle='rgba(214,225,254,0.8)';context.moveTo(-lineWidth,canvasHeight+lineWidth);context.lineTo(-lineWidth,Math.round(canvasHeight-drawData[0]*yScaleFactor-offsetFromBottom));let value;for(let x=0;x<canvasWidth;++x){value=Math.round(canvasHeight-drawData[x]*yScaleFactor-offsetFromBottom);context.lineTo(x,value);}
context.lineTo(canvasWidth+lineWidth,value);context.lineTo(canvasWidth+lineWidth,canvasHeight+lineWidth);context.fill();context.stroke();context.closePath();}
_calculateDrawData(width){const dataProvider=this._dataProvider;const timelineData=this._timelineData();const entryStartTimes=timelineData.entryStartTimes;const entryTotalTimes=timelineData.entryTotalTimes;const entryLevels=timelineData.entryLevels;const length=entryStartTimes.length;const minimumBoundary=this._dataProvider.minimumBoundary();const drawData=new Uint8Array(width);const scaleFactor=width/dataProvider.totalTime();for(let entryIndex=0;entryIndex<length;++entryIndex){const start=Math.floor((entryStartTimes[entryIndex]-minimumBoundary)*scaleFactor);const finish=Math.floor((entryStartTimes[entryIndex]-minimumBoundary+entryTotalTimes[entryIndex])*scaleFactor);for(let x=start;x<=finish;++x)
drawData[x]=Math.max(drawData[x],entryLevels[entryIndex]+1);}
return drawData;}
_resetCanvas(width,height){const ratio=window.devicePixelRatio;this._overviewCanvas.width=width*ratio;this._overviewCanvas.height=height*ratio;this._overviewCanvas.style.width=width+'px';this._overviewCanvas.style.height=height+'px';}};;Profiler.CPUProfileView=class extends Profiler.ProfileView{constructor(profileHeader){super();this._profileHeader=profileHeader;this.profile=profileHeader.profileModel();this.adjustedTotal=this.profile.profileHead.total;this.adjustedTotal-=this.profile.idleNode?this.profile.idleNode.total:0;this.initialize(new Profiler.CPUProfileView.NodeFormatter(this));}
wasShown(){super.wasShown();const lineLevelProfile=PerfUI.LineLevelProfile.instance();lineLevelProfile.reset();lineLevelProfile.appendCPUProfile(this.profile);}
columnHeader(columnId){switch(columnId){case'self':return Common.UIString('Self Time');case'total':return Common.UIString('Total Time');}
return'';}
createFlameChartDataProvider(){return new Profiler.CPUFlameChartDataProvider(this.profile,this._profileHeader._cpuProfilerModel);}};Profiler.CPUProfileType=class extends Profiler.ProfileType{constructor(){super(Profiler.CPUProfileType.TypeId,Common.UIString('Record JavaScript CPU Profile'));this._recording=false;Profiler.CPUProfileType.instance=this;SDK.targetManager.addModelListener(SDK.CPUProfilerModel,SDK.CPUProfilerModel.Events.ConsoleProfileFinished,this._consoleProfileFinished,this);}
profileBeingRecorded(){return(super.profileBeingRecorded());}
typeName(){return'CPU';}
fileExtension(){return'.cpuprofile';}
get buttonTooltip(){return this._recording?Common.UIString('Stop CPU profiling'):Common.UIString('Start CPU profiling');}
buttonClicked(){if(this._recording){this.stopRecordingProfile();return false;}else{this.startRecordingProfile();return true;}}
get treeItemTitle(){return Common.UIString('CPU PROFILES');}
get description(){return Common.UIString('CPU profiles show where the execution time is spent in your page\'s JavaScript functions.');}
_consoleProfileFinished(event){const data=(event.data);const cpuProfile=(data.cpuProfile);const profile=new Profiler.CPUProfileHeader(data.cpuProfilerModel,this,data.title);profile.setProtocolProfile(cpuProfile);this.addProfile(profile);}
startRecordingProfile(){const cpuProfilerModel=UI.context.flavor(SDK.CPUProfilerModel);if(this.profileBeingRecorded()||!cpuProfilerModel)
return;const profile=new Profiler.CPUProfileHeader(cpuProfilerModel,this);this.setProfileBeingRecorded(profile);SDK.targetManager.suspendAllTargets();this.addProfile(profile);profile.updateStatus(Common.UIString('Recording\u2026'));this._recording=true;cpuProfilerModel.startRecording();Host.userMetrics.actionTaken(Host.UserMetrics.Action.ProfilesCPUProfileTaken);}
async stopRecordingProfile(){this._recording=false;if(!this.profileBeingRecorded()||!this.profileBeingRecorded()._cpuProfilerModel)
return;const profile=await this.profileBeingRecorded()._cpuProfilerModel.stopRecording();const recordedProfile=this.profileBeingRecorded();if(recordedProfile){console.assert(profile);recordedProfile.setProtocolProfile(profile);recordedProfile.updateStatus('');this.setProfileBeingRecorded(null);}
await SDK.targetManager.resumeAllTargets();this.dispatchEventToListeners(Profiler.ProfileType.Events.ProfileComplete,recordedProfile);}
createProfileLoadedFromFile(title){return new Profiler.CPUProfileHeader(null,this,title);}
profileBeingRecordedRemoved(){this.stopRecordingProfile();}};Profiler.CPUProfileType.TypeId='CPU';Profiler.CPUProfileHeader=class extends Profiler.WritableProfileHeader{constructor(cpuProfilerModel,type,title){super(cpuProfilerModel&&cpuProfilerModel.debuggerModel(),type,title);this._cpuProfilerModel=cpuProfilerModel;}
createView(){return new Profiler.CPUProfileView(this);}
protocolProfile(){return this._protocolProfile;}
profileModel(){return this._profileModel;}
setProfile(profile){this._profileModel=new SDK.CPUProfileDataModel(profile);}};Profiler.CPUProfileView.NodeFormatter=class{constructor(profileView){this._profileView=profileView;}
formatValue(value){return Common.UIString('%.1f\xa0ms',value);}
formatPercent(value,node){return node.profileNode===this._profileView.profile.idleNode?'':Common.UIString('%.2f\xa0%%',value);}
linkifyNode(node){const cpuProfilerModel=this._profileView._profileHeader._cpuProfilerModel;return this._profileView.linkifier().maybeLinkifyConsoleCallFrame(cpuProfilerModel?cpuProfilerModel.target():null,node.profileNode.callFrame,'profile-node-file');}};Profiler.CPUFlameChartDataProvider=class extends Profiler.ProfileFlameChartDataProvider{constructor(cpuProfile,cpuProfilerModel){super();this._cpuProfile=cpuProfile;this._cpuProfilerModel=cpuProfilerModel;}
_calculateTimelineData(){const entries=[];const stack=[];let maxDepth=5;function onOpenFrame(){stack.push(entries.length);entries.push(null);}
function onCloseFrame(depth,node,startTime,totalTime,selfTime){const index=stack.pop();entries[index]=new Profiler.CPUFlameChartDataProvider.ChartEntry(depth,totalTime,startTime,selfTime,node);maxDepth=Math.max(maxDepth,depth);}
this._cpuProfile.forEachFrame(onOpenFrame,onCloseFrame);const entryNodes=new Array(entries.length);const entryLevels=new Uint16Array(entries.length);const entryTotalTimes=new Float32Array(entries.length);const entrySelfTimes=new Float32Array(entries.length);const entryStartTimes=new Float64Array(entries.length);for(let i=0;i<entries.length;++i){const entry=entries[i];entryNodes[i]=entry.node;entryLevels[i]=entry.depth;entryTotalTimes[i]=entry.duration;entryStartTimes[i]=entry.startTime;entrySelfTimes[i]=entry.selfTime;}
this._maxStackDepth=maxDepth+1;this._timelineData=new PerfUI.FlameChart.TimelineData(entryLevels,entryTotalTimes,entryStartTimes,null);this._entryNodes=entryNodes;this._entrySelfTimes=entrySelfTimes;return this._timelineData;}
prepareHighlightedEntryInfo(entryIndex){const timelineData=this._timelineData;const node=this._entryNodes[entryIndex];if(!node)
return null;const entryInfo=[];function pushEntryInfoRow(title,value){entryInfo.push({title:title,value:value});}
function millisecondsToString(ms){if(ms===0)
return'0';if(ms<1000)
return Common.UIString('%.1f\xa0ms',ms);return Number.secondsToString(ms/1000,true);}
const name=UI.beautifyFunctionName(node.functionName);pushEntryInfoRow(Common.UIString('Name'),name);const selfTime=millisecondsToString(this._entrySelfTimes[entryIndex]);const totalTime=millisecondsToString(timelineData.entryTotalTimes[entryIndex]);pushEntryInfoRow(Common.UIString('Self time'),selfTime);pushEntryInfoRow(Common.UIString('Total time'),totalTime);const linkifier=new Components.Linkifier();const link=linkifier.maybeLinkifyConsoleCallFrame(this._cpuProfilerModel&&this._cpuProfilerModel.target(),node.callFrame);if(link)
pushEntryInfoRow(Common.UIString('URL'),link.textContent);linkifier.dispose();pushEntryInfoRow(Common.UIString('Aggregated self time'),Number.secondsToString(node.self/1000,true));pushEntryInfoRow(Common.UIString('Aggregated total time'),Number.secondsToString(node.total/1000,true));if(node.deoptReason)
pushEntryInfoRow(Common.UIString('Not optimized'),node.deoptReason);return Profiler.ProfileView.buildPopoverTable(entryInfo);}};Profiler.CPUFlameChartDataProvider.ChartEntry=class{constructor(depth,duration,startTime,selfTime,node){this.depth=depth;this.duration=duration;this.startTime=startTime;this.selfTime=selfTime;this.node=node;}};;Profiler.HeapProfileView=class extends Profiler.ProfileView{constructor(profileHeader){super();this._profileHeader=profileHeader;this.profile=new Profiler.SamplingHeapProfileModel(profileHeader._profile||profileHeader.protocolProfile());this.adjustedTotal=this.profile.total;const views=[Profiler.ProfileView.ViewTypes.Flame,Profiler.ProfileView.ViewTypes.Heavy,Profiler.ProfileView.ViewTypes.Tree];this.initialize(new Profiler.HeapProfileView.NodeFormatter(this),views);}
columnHeader(columnId){switch(columnId){case'self':return Common.UIString('Self Size (bytes)');case'total':return Common.UIString('Total Size (bytes)');}
return'';}
createFlameChartDataProvider(){return new Profiler.HeapFlameChartDataProvider(this.profile,this._profileHeader._heapProfilerModel);}};Profiler.SamplingHeapProfileTypeBase=class extends Profiler.ProfileType{constructor(typeId,description){super(typeId,description);this._recording=false;}
profileBeingRecorded(){return(super.profileBeingRecorded());}
typeName(){return'Heap';}
fileExtension(){return'.heapprofile';}
get buttonTooltip(){return this._recording?Common.UIString('Stop heap profiling'):Common.UIString('Start heap profiling');}
buttonClicked(){const wasRecording=this._recording;if(wasRecording)
this.stopRecordingProfile();else
this.startRecordingProfile();return!wasRecording;}
startRecordingProfile(){const heapProfilerModel=UI.context.flavor(SDK.HeapProfilerModel);if(this.profileBeingRecorded()||!heapProfilerModel)
return;const profile=new Profiler.SamplingHeapProfileHeader(heapProfilerModel,this);this.setProfileBeingRecorded(profile);SDK.targetManager.suspendAllTargets();this.addProfile(profile);profile.updateStatus(Common.UIString('Recording\u2026'));this._recording=true;this._startSampling();}
async stopRecordingProfile(){this._recording=false;if(!this.profileBeingRecorded()||!this.profileBeingRecorded()._heapProfilerModel)
return;this.profileBeingRecorded().updateStatus(Common.UIString('Stopping\u2026'));const profile=await this._stopSampling();const recordedProfile=this.profileBeingRecorded();if(recordedProfile){console.assert(profile);recordedProfile.setProtocolProfile(profile);recordedProfile.updateStatus('');this.setProfileBeingRecorded(null);}
await SDK.targetManager.resumeAllTargets();this.dispatchEventToListeners(Profiler.ProfileType.Events.ProfileComplete,recordedProfile);}
createProfileLoadedFromFile(title){return new Profiler.SamplingHeapProfileHeader(null,this,title);}
profileBeingRecordedRemoved(){this.stopRecordingProfile();}
_startSampling(){throw'Not implemented';}
_stopSampling(){throw'Not implemented';}};Profiler.SamplingHeapProfileType=class extends Profiler.SamplingHeapProfileTypeBase{constructor(){super(Profiler.SamplingHeapProfileType.TypeId,ls`Allocation sampling`);Profiler.SamplingHeapProfileType.instance=this;}
get treeItemTitle(){return ls`SAMPLING PROFILES`;}
get description(){return ls`Record memory allocations using sampling method.
              This profile type has minimal performance overhead and can be used for long running operations.
              It provides good approximation of allocations broken down by JavaScript execution stack.`;}
_startSampling(){this.profileBeingRecorded()._heapProfilerModel.startSampling();}
_stopSampling(){return this.profileBeingRecorded()._heapProfilerModel.stopSampling();}};Profiler.SamplingHeapProfileType.TypeId='SamplingHeap';Profiler.SamplingNativeHeapProfileType=class extends Profiler.SamplingHeapProfileTypeBase{constructor(){super(Profiler.SamplingNativeHeapProfileType.TypeId,ls`Native memory allocation sampling`);Profiler.SamplingNativeHeapProfileType.instance=this;}
get treeItemTitle(){return ls`NATIVE SAMPLING PROFILES`;}
get description(){return ls`Allocation profiles show sampled native memory allocations from the renderer process.`;}
_startSampling(){this.profileBeingRecorded()._heapProfilerModel.startNativeSampling();}
_stopSampling(){return this.profileBeingRecorded()._heapProfilerModel.stopNativeSampling();}};Profiler.SamplingNativeHeapProfileType.TypeId='SamplingNativeHeapRecording';Profiler.SamplingNativeHeapSnapshotType=class extends Profiler.SamplingHeapProfileTypeBase{constructor(){super(Profiler.SamplingNativeHeapSnapshotType.TypeId,ls`Native memory allocation snapshot`);Profiler.SamplingNativeHeapSnapshotType.instance=this;}
isInstantProfile(){return true;}
get treeItemTitle(){return ls`NATIVE SNAPSHOTS`;}
get description(){return ls`Native memory snapshots show sampled native allocations in the renderer process since start up.
              Chrome has to be started with --sampling-heap-profiler flag.
              Check flags at chrome://flags`;}
buttonClicked(){this._takeSnapshot();return false;}
async _takeSnapshot(){if(this.profileBeingRecorded())
return;const heapProfilerModel=UI.context.flavor(SDK.HeapProfilerModel);if(!heapProfilerModel)
return;const profile=new Profiler.SamplingHeapProfileHeader(heapProfilerModel,this,Common.UIString('Snapshot %d',this.nextProfileUid()));this.setProfileBeingRecorded(profile);this.addProfile(profile);profile.updateStatus(Common.UIString('Snapshotting\u2026'));const protocolProfile=await heapProfilerModel.takeNativeSnapshot();const recordedProfile=this.profileBeingRecorded();if(recordedProfile){console.assert(protocolProfile);recordedProfile.setProtocolProfile(protocolProfile);recordedProfile.updateStatus('');this.setProfileBeingRecorded(null);}
this.dispatchEventToListeners(Profiler.ProfileType.Events.ProfileComplete,recordedProfile);}};Profiler.SamplingNativeHeapSnapshotType.TypeId='SamplingNativeHeapSnapshot';Profiler.SamplingHeapProfileHeader=class extends Profiler.WritableProfileHeader{constructor(heapProfilerModel,type,title){super(heapProfilerModel&&heapProfilerModel.debuggerModel(),type,title||Common.UIString('Profile %d',type.nextProfileUid()));this._heapProfilerModel=heapProfilerModel;}
createView(){return new Profiler.HeapProfileView(this);}
protocolProfile(){return this._protocolProfile;}};Profiler.SamplingHeapProfileNode=class extends SDK.ProfileNode{constructor(node){const callFrame=node.callFrame||({functionName:node['functionName'],scriptId:node['scriptId'],url:node['url'],lineNumber:node['lineNumber']-1,columnNumber:node['columnNumber']-1});super(callFrame);this.self=node.selfSize;}};Profiler.SamplingHeapProfileModel=class extends SDK.ProfileTreeModel{constructor(profile){super();this.initialize(translateProfileTree(profile.head));function translateProfileTree(root){const resultRoot=new Profiler.SamplingHeapProfileNode(root);const targetNodeStack=[resultRoot];const sourceNodeStack=[root];while(sourceNodeStack.length){const sourceNode=sourceNodeStack.pop();const parentNode=targetNodeStack.pop();parentNode.children=sourceNode.children.map(child=>new Profiler.SamplingHeapProfileNode(child));sourceNodeStack.push.apply(sourceNodeStack,sourceNode.children);targetNodeStack.push.apply(targetNodeStack,parentNode.children);}
return resultRoot;}}};Profiler.HeapProfileView.NodeFormatter=class{constructor(profileView){this._profileView=profileView;}
formatValue(value){return Number.withThousandsSeparator(value);}
formatPercent(value,node){return Common.UIString('%.2f\xa0%%',value);}
linkifyNode(node){const heapProfilerModel=this._profileView._profileHeader._heapProfilerModel;return this._profileView.linkifier().maybeLinkifyConsoleCallFrame(heapProfilerModel?heapProfilerModel.target():null,node.profileNode.callFrame,'profile-node-file');}};Profiler.HeapFlameChartDataProvider=class extends Profiler.ProfileFlameChartDataProvider{constructor(profile,heapProfilerModel){super();this._profile=profile;this._heapProfilerModel=heapProfilerModel;}
minimumBoundary(){return 0;}
totalTime(){return this._profile.root.total;}
formatValue(value,precision){return Common.UIString('%s\xa0KB',Number.withThousandsSeparator(value/1e3));}
_calculateTimelineData(){function nodesCount(node){return node.children.reduce((count,node)=>count+nodesCount(node),1);}
const count=nodesCount(this._profile.root);const entryNodes=new Array(count);const entryLevels=new Uint16Array(count);const entryTotalTimes=new Float32Array(count);const entryStartTimes=new Float64Array(count);let depth=0;let maxDepth=0;let position=0;let index=0;function addNode(node){const start=position;entryNodes[index]=node;entryLevels[index]=depth;entryTotalTimes[index]=node.total;entryStartTimes[index]=position;++index;++depth;node.children.forEach(addNode);--depth;maxDepth=Math.max(maxDepth,depth);position=start+node.total;}
addNode(this._profile.root);this._maxStackDepth=maxDepth+1;this._entryNodes=entryNodes;this._timelineData=new PerfUI.FlameChart.TimelineData(entryLevels,entryTotalTimes,entryStartTimes,null);return this._timelineData;}
prepareHighlightedEntryInfo(entryIndex){const node=this._entryNodes[entryIndex];if(!node)
return null;const entryInfo=[];function pushEntryInfoRow(title,value){entryInfo.push({title:title,value:value});}
pushEntryInfoRow(Common.UIString('Name'),UI.beautifyFunctionName(node.functionName));pushEntryInfoRow(Common.UIString('Self size'),Number.bytesToString(node.self));pushEntryInfoRow(Common.UIString('Total size'),Number.bytesToString(node.total));const linkifier=new Components.Linkifier();const link=linkifier.maybeLinkifyConsoleCallFrame(this._heapProfilerModel?this._heapProfilerModel.target():null,node.callFrame);if(link)
pushEntryInfoRow(Common.UIString('URL'),link.textContent);linkifier.dispose();return Profiler.ProfileView.buildPopoverTable(entryInfo);}};;Profiler.HeapSnapshotWorkerProxy=class extends Common.Object{constructor(eventHandler){super();this._eventHandler=eventHandler;this._nextObjectId=1;this._nextCallId=1;this._callbacks=new Map();this._previousCallbacks=new Set();this._worker=new Common.Worker('heap_snapshot_worker');this._worker.onmessage=this._messageReceived.bind(this);}
createLoader(profileUid,snapshotReceivedCallback){const objectId=this._nextObjectId++;const proxy=new Profiler.HeapSnapshotLoaderProxy(this,objectId,profileUid,snapshotReceivedCallback);this._postMessage({callId:this._nextCallId++,disposition:'create',objectId:objectId,methodName:'HeapSnapshotWorker.HeapSnapshotLoader'});return proxy;}
dispose(){this._worker.terminate();if(this._interval)
clearInterval(this._interval);}
disposeObject(objectId){this._postMessage({callId:this._nextCallId++,disposition:'dispose',objectId:objectId});}
evaluateForTest(script,callback){const callId=this._nextCallId++;this._callbacks.set(callId,callback);this._postMessage({callId:callId,disposition:'evaluateForTest',source:script});}
callFactoryMethod(callback,objectId,methodName,proxyConstructor){const callId=this._nextCallId++;const methodArguments=Array.prototype.slice.call(arguments,4);const newObjectId=this._nextObjectId++;function wrapCallback(remoteResult){callback(remoteResult?new proxyConstructor(this,newObjectId):null);}
if(callback){this._callbacks.set(callId,wrapCallback.bind(this));this._postMessage({callId:callId,disposition:'factory',objectId:objectId,methodName:methodName,methodArguments:methodArguments,newObjectId:newObjectId});return null;}else{this._postMessage({callId:callId,disposition:'factory',objectId:objectId,methodName:methodName,methodArguments:methodArguments,newObjectId:newObjectId});return new proxyConstructor(this,newObjectId);}}
callMethod(callback,objectId,methodName){const callId=this._nextCallId++;const methodArguments=Array.prototype.slice.call(arguments,3);if(callback)
this._callbacks.set(callId,callback);this._postMessage({callId:callId,disposition:'method',objectId:objectId,methodName:methodName,methodArguments:methodArguments});}
startCheckingForLongRunningCalls(){if(this._interval)
return;this._checkLongRunningCalls();this._interval=setInterval(this._checkLongRunningCalls.bind(this),300);}
_checkLongRunningCalls(){for(const callId of this._previousCallbacks){if(!this._callbacks.has(callId))
this._previousCallbacks.delete(callId);}
const hasLongRunningCalls=!!this._previousCallbacks.size;this.dispatchEventToListeners(Profiler.HeapSnapshotWorkerProxy.Events.Wait,hasLongRunningCalls);for(const callId of this._callbacks.keysArray())
this._previousCallbacks.add(callId);}
_messageReceived(event){const data=event.data;if(data.eventName){if(this._eventHandler)
this._eventHandler(data.eventName,data.data);return;}
if(data.error){if(data.errorMethodName){Common.console.error(Common.UIString('An error occurred when a call to method \'%s\' was requested',data.errorMethodName));}
Common.console.error(data['errorCallStack']);this._callbacks.delete(data.callId);return;}
if(!this._callbacks.has(data.callId))
return;const callback=this._callbacks.get(data.callId);this._callbacks.delete(data.callId);callback(data.result);}
_postMessage(message){this._worker.postMessage(message);}};Profiler.HeapSnapshotWorkerProxy.Events={Wait:Symbol('Wait')};Profiler.HeapSnapshotProxyObject=class{constructor(worker,objectId){this._worker=worker;this._objectId=objectId;}
_callWorker(workerMethodName,args){args.splice(1,0,this._objectId);return this._worker[workerMethodName].apply(this._worker,args);}
dispose(){this._worker.disposeObject(this._objectId);}
disposeWorker(){this._worker.dispose();}
callFactoryMethod(callback,methodName,proxyConstructor,var_args){return this._callWorker('callFactoryMethod',Array.prototype.slice.call(arguments,0));}
_callMethodPromise(methodName,var_args){const args=Array.prototype.slice.call(arguments);return new Promise(resolve=>this._callWorker('callMethod',[resolve,...args]));}};Profiler.HeapSnapshotLoaderProxy=class extends Profiler.HeapSnapshotProxyObject{constructor(worker,objectId,profileUid,snapshotReceivedCallback){super(worker,objectId);this._profileUid=profileUid;this._snapshotReceivedCallback=snapshotReceivedCallback;}
write(chunk){return this._callMethodPromise('write',chunk);}
async close(){await this._callMethodPromise('close');const snapshotProxy=await new Promise(resolve=>this.callFactoryMethod(resolve,'buildSnapshot',Profiler.HeapSnapshotProxy));this.dispose();snapshotProxy.setProfileUid(this._profileUid);await snapshotProxy.updateStaticData();this._snapshotReceivedCallback(snapshotProxy);}};Profiler.HeapSnapshotProxy=class extends Profiler.HeapSnapshotProxyObject{constructor(worker,objectId){super(worker,objectId);this._staticData=null;}
search(searchConfig,filter){return this._callMethodPromise('search',searchConfig,filter);}
aggregatesWithFilter(filter){return this._callMethodPromise('aggregatesWithFilter',filter);}
aggregatesForDiff(){return this._callMethodPromise('aggregatesForDiff');}
calculateSnapshotDiff(baseSnapshotId,baseSnapshotAggregates){return this._callMethodPromise('calculateSnapshotDiff',baseSnapshotId,baseSnapshotAggregates);}
nodeClassName(snapshotObjectId){return this._callMethodPromise('nodeClassName',snapshotObjectId);}
createEdgesProvider(nodeIndex){return this.callFactoryMethod(null,'createEdgesProvider',Profiler.HeapSnapshotProviderProxy,nodeIndex);}
createRetainingEdgesProvider(nodeIndex){return this.callFactoryMethod(null,'createRetainingEdgesProvider',Profiler.HeapSnapshotProviderProxy,nodeIndex);}
createAddedNodesProvider(baseSnapshotId,className){return this.callFactoryMethod(null,'createAddedNodesProvider',Profiler.HeapSnapshotProviderProxy,baseSnapshotId,className);}
createDeletedNodesProvider(nodeIndexes){return this.callFactoryMethod(null,'createDeletedNodesProvider',Profiler.HeapSnapshotProviderProxy,nodeIndexes);}
createNodesProvider(filter){return this.callFactoryMethod(null,'createNodesProvider',Profiler.HeapSnapshotProviderProxy,filter);}
createNodesProviderForClass(className,nodeFilter){return this.callFactoryMethod(null,'createNodesProviderForClass',Profiler.HeapSnapshotProviderProxy,className,nodeFilter);}
allocationTracesTops(){return this._callMethodPromise('allocationTracesTops');}
allocationNodeCallers(nodeId){return this._callMethodPromise('allocationNodeCallers',nodeId);}
allocationStack(nodeIndex){return this._callMethodPromise('allocationStack',nodeIndex);}
dispose(){throw new Error('Should never be called');}
get nodeCount(){return this._staticData.nodeCount;}
get rootNodeIndex(){return this._staticData.rootNodeIndex;}
async updateStaticData(){this._staticData=await this._callMethodPromise('updateStaticData');}
getStatistics(){return this._callMethodPromise('getStatistics');}
getSamples(){return this._callMethodPromise('getSamples');}
get totalSize(){return this._staticData.totalSize;}
get uid(){return this._profileUid;}
setProfileUid(profileUid){this._profileUid=profileUid;}
maxJSObjectId(){return this._staticData.maxJSObjectId;}};Profiler.HeapSnapshotProviderProxy=class extends Profiler.HeapSnapshotProxyObject{constructor(worker,objectId){super(worker,objectId);}
nodePosition(snapshotObjectId){return this._callMethodPromise('nodePosition',snapshotObjectId);}
isEmpty(){return this._callMethodPromise('isEmpty');}
serializeItemsRange(startPosition,endPosition){return this._callMethodPromise('serializeItemsRange',startPosition,endPosition);}
sortAndRewind(comparator){return this._callMethodPromise('sortAndRewind',comparator);}};;Profiler.HeapSnapshotSortableDataGrid=class extends DataGrid.DataGrid{constructor(dataDisplayDelegate,columns){super(columns);this._dataDisplayDelegate=dataDisplayDelegate;this._recursiveSortingDepth=0;this._highlightedNode=null;this._populatedAndSorted=false;this._nameFilter=null;this._nodeFilter=new HeapSnapshotModel.NodeFilter();this.addEventListener(Profiler.HeapSnapshotSortableDataGrid.Events.SortingComplete,this._sortingComplete,this);this.addEventListener(DataGrid.DataGrid.Events.SortingChanged,this.sortingChanged,this);}
nodeFilter(){return this._nodeFilter;}
setNameFilter(nameFilter){this._nameFilter=nameFilter;}
defaultPopulateCount(){return 100;}
_disposeAllNodes(){const children=this.topLevelNodes();for(let i=0,l=children.length;i<l;++i)
children[i].dispose();}
wasShown(){if(this._nameFilter){this._nameFilter.addEventListener(UI.ToolbarInput.Event.TextChanged,this._onNameFilterChanged,this);this.updateVisibleNodes(true);}
if(this._populatedAndSorted)
this.dispatchEventToListeners(Profiler.HeapSnapshotSortableDataGrid.Events.ContentShown,this);}
_sortingComplete(){this.removeEventListener(Profiler.HeapSnapshotSortableDataGrid.Events.SortingComplete,this._sortingComplete,this);this._populatedAndSorted=true;this.dispatchEventToListeners(Profiler.HeapSnapshotSortableDataGrid.Events.ContentShown,this);}
willHide(){if(this._nameFilter)
this._nameFilter.removeEventListener(UI.ToolbarInput.Event.TextChanged,this._onNameFilterChanged,this);this._clearCurrentHighlight();}
populateContextMenu(contextMenu,event){const td=event.target.enclosingNodeOrSelfWithNodeName('td');if(!td)
return;const node=td.heapSnapshotNode;function revealInSummaryView(){this._dataDisplayDelegate.showObject(node.snapshotNodeId,'Summary');}
if(node instanceof Profiler.HeapSnapshotRetainingObjectNode)
contextMenu.revealSection().appendItem(Common.UIString('Reveal in Summary view'),revealInSummaryView.bind(this));}
resetSortingCache(){delete this._lastSortColumnId;delete this._lastSortAscending;}
topLevelNodes(){return this.rootNode().children;}
revealObjectByHeapSnapshotId(heapSnapshotObjectId){return Promise.resolve((null));}
highlightNode(node){this._clearCurrentHighlight();this._highlightedNode=node;UI.runCSSAnimationOnce(this._highlightedNode.element(),'highlighted-row');}
_clearCurrentHighlight(){if(!this._highlightedNode)
return;this._highlightedNode.element().classList.remove('highlighted-row');this._highlightedNode=null;}
resetNameFilter(){this._nameFilter.setValue('');}
_onNameFilterChanged(){this.updateVisibleNodes(true);}
sortingChanged(){const sortAscending=this.isSortOrderAscending();const sortColumnId=this.sortColumnId();if(this._lastSortColumnId===sortColumnId&&this._lastSortAscending===sortAscending)
return;this._lastSortColumnId=sortColumnId;this._lastSortAscending=sortAscending;const sortFields=this._sortFields(sortColumnId,sortAscending);function SortByTwoFields(nodeA,nodeB){let field1=nodeA[sortFields[0]];let field2=nodeB[sortFields[0]];let result=field1<field2?-1:(field1>field2?1:0);if(!sortFields[1])
result=-result;if(result!==0)
return result;field1=nodeA[sortFields[2]];field2=nodeB[sortFields[2]];result=field1<field2?-1:(field1>field2?1:0);if(!sortFields[3])
result=-result;return result;}
this._performSorting(SortByTwoFields);}
_performSorting(sortFunction){this.recursiveSortingEnter();const children=this.allChildren(this.rootNode());this.rootNode().removeChildren();children.sort(sortFunction);for(let i=0,l=children.length;i<l;++i){const child=children[i];this.appendChildAfterSorting(child);if(child.expanded)
child.sort();}
this.recursiveSortingLeave();}
appendChildAfterSorting(child){const revealed=child.revealed;this.rootNode().appendChild(child);child.revealed=revealed;}
recursiveSortingEnter(){++this._recursiveSortingDepth;}
recursiveSortingLeave(){if(!this._recursiveSortingDepth)
return;if(--this._recursiveSortingDepth)
return;this.updateVisibleNodes(true);this.dispatchEventToListeners(Profiler.HeapSnapshotSortableDataGrid.Events.SortingComplete);}
updateVisibleNodes(force){}
allChildren(parent){return parent.children;}
insertChild(parent,node,index){parent.insertChild(node,index);}
removeChildByIndex(parent,index){parent.removeChild(parent.children[index]);}
removeAllChildren(parent){parent.removeChildren();}};Profiler.HeapSnapshotSortableDataGrid.Events={ContentShown:Symbol('ContentShown'),SortingComplete:Symbol('SortingComplete')};Profiler.HeapSnapshotViewportDataGrid=class extends Profiler.HeapSnapshotSortableDataGrid{constructor(dataDisplayDelegate,columns){super(dataDisplayDelegate,columns);this.scrollContainer.addEventListener('scroll',this._onScroll.bind(this),true);this._topPaddingHeight=0;this._bottomPaddingHeight=0;}
topLevelNodes(){return this.allChildren(this.rootNode());}
appendChildAfterSorting(child){}
updateVisibleNodes(force){const guardZoneHeight=40;const scrollHeight=this.scrollContainer.scrollHeight;let scrollTop=this.scrollContainer.scrollTop;let scrollBottom=scrollHeight-scrollTop-this.scrollContainer.offsetHeight;scrollTop=Math.max(0,scrollTop-guardZoneHeight);scrollBottom=Math.max(0,scrollBottom-guardZoneHeight);let viewPortHeight=scrollHeight-scrollTop-scrollBottom;if(!force&&scrollTop>=this._topPaddingHeight&&scrollBottom>=this._bottomPaddingHeight)
return;const hysteresisHeight=500;scrollTop-=hysteresisHeight;viewPortHeight+=2*hysteresisHeight;const selectedNode=this.selectedNode;this.rootNode().removeChildren();this._topPaddingHeight=0;this._bottomPaddingHeight=0;this._addVisibleNodes(this.rootNode(),scrollTop,scrollTop+viewPortHeight);this.setVerticalPadding(this._topPaddingHeight,this._bottomPaddingHeight);if(selectedNode){if(selectedNode.parent)
selectedNode.select(true);else
this.selectedNode=selectedNode;}}
_addVisibleNodes(parentNode,topBound,bottomBound){if(!parentNode.expanded)
return 0;const children=this.allChildren(parentNode);let topPadding=0;const nameFilterValue=this._nameFilter?this._nameFilter.value().toLowerCase():'';let i=0;for(;i<children.length;++i){const child=children[i];if(nameFilterValue&&child.filteredOut&&child.filteredOut(nameFilterValue))
continue;const newTop=topPadding+this._nodeHeight(child);if(newTop>topBound)
break;topPadding=newTop;}
let position=topPadding;for(;i<children.length&&position<bottomBound;++i){const child=children[i];if(nameFilterValue&&child.filteredOut&&child.filteredOut(nameFilterValue))
continue;const hasChildren=child.hasChildren();child.removeChildren();child.setHasChildren(hasChildren);parentNode.appendChild(child);position+=child.nodeSelfHeight();position+=this._addVisibleNodes(child,topBound-position,bottomBound-position);}
let bottomPadding=0;for(;i<children.length;++i){const child=children[i];if(nameFilterValue&&child.filteredOut&&child.filteredOut(nameFilterValue))
continue;bottomPadding+=this._nodeHeight(child);}
this._topPaddingHeight+=topPadding;this._bottomPaddingHeight+=bottomPadding;return position+bottomPadding;}
_nodeHeight(node){let result=node.nodeSelfHeight();if(!node.expanded)
return result;const children=this.allChildren(node);for(let i=0;i<children.length;i++)
result+=this._nodeHeight(children[i]);return result;}
revealTreeNode(pathToReveal){const height=this._calculateOffset(pathToReveal);const node=(pathToReveal.peekLast());const scrollTop=this.scrollContainer.scrollTop;const scrollBottom=scrollTop+this.scrollContainer.offsetHeight;if(height>=scrollTop&&height<scrollBottom)
return Promise.resolve(node);const scrollGap=40;this.scrollContainer.scrollTop=Math.max(0,height-scrollGap);return new Promise(resolve=>{console.assert(!this._scrollToResolveCallback);this._scrollToResolveCallback=resolve.bind(null,node);});}
_calculateOffset(pathToReveal){let parentNode=this.rootNode();let height=0;for(let i=0;i<pathToReveal.length;++i){const node=pathToReveal[i];const children=this.allChildren(parentNode);for(let j=0;j<children.length;++j){const child=children[j];if(node===child){height+=node.nodeSelfHeight();break;}
height+=this._nodeHeight(child);}
parentNode=node;}
return height-pathToReveal.peekLast().nodeSelfHeight();}
allChildren(parent){return parent._allChildren||(parent._allChildren=[]);}
appendNode(parent,node){this.allChildren(parent).push(node);}
insertChild(parent,node,index){this.allChildren(parent).splice(index,0,(node));}
removeChildByIndex(parent,index){this.allChildren(parent).splice(index,1);}
removeAllChildren(parent){parent._allChildren=[];}
removeTopLevelNodes(){this._disposeAllNodes();this.rootNode().removeChildren();this.rootNode()._allChildren=[];}
_isScrolledIntoView(element){const viewportTop=this.scrollContainer.scrollTop;const viewportBottom=viewportTop+this.scrollContainer.clientHeight;const elemTop=element.offsetTop;const elemBottom=elemTop+element.offsetHeight;return elemBottom<=viewportBottom&&elemTop>=viewportTop;}
onResize(){super.onResize();this.updateVisibleNodes(false);}
_onScroll(event){this.updateVisibleNodes(false);if(this._scrollToResolveCallback){this._scrollToResolveCallback();this._scrollToResolveCallback=null;}}};Profiler.HeapSnapshotContainmentDataGrid=class extends Profiler.HeapSnapshotSortableDataGrid{constructor(dataDisplayDelegate,columns){columns=columns||(([{id:'object',title:Common.UIString('Object'),disclosure:true,sortable:true},{id:'distance',title:Common.UIString('Distance'),width:'70px',sortable:true,fixedWidth:true},{id:'shallowSize',title:Common.UIString('Shallow Size'),width:'110px',sortable:true,fixedWidth:true},{id:'retainedSize',title:Common.UIString('Retained Size'),width:'110px',sortable:true,fixedWidth:true,sort:DataGrid.DataGrid.Order.Descending}]));super(dataDisplayDelegate,columns);}
setDataSource(snapshot,nodeIndex){this.snapshot=snapshot;const node={nodeIndex:nodeIndex||snapshot.rootNodeIndex};const fakeEdge={node:node};this.setRootNode(this._createRootNode(snapshot,fakeEdge));this.rootNode().sort();}
_createRootNode(snapshot,fakeEdge){return new Profiler.HeapSnapshotObjectNode(this,snapshot,fakeEdge,null);}
sortingChanged(){const rootNode=this.rootNode();if(rootNode.hasChildren())
rootNode.sort();}};Profiler.HeapSnapshotRetainmentDataGrid=class extends Profiler.HeapSnapshotContainmentDataGrid{constructor(dataDisplayDelegate){const columns=([{id:'object',title:Common.UIString('Object'),disclosure:true,sortable:true},{id:'distance',title:Common.UIString('Distance'),width:'70px',sortable:true,fixedWidth:true,sort:DataGrid.DataGrid.Order.Ascending},{id:'shallowSize',title:Common.UIString('Shallow Size'),width:'110px',sortable:true,fixedWidth:true},{id:'retainedSize',title:Common.UIString('Retained Size'),width:'110px',sortable:true,fixedWidth:true}]);super(dataDisplayDelegate,columns);}
_createRootNode(snapshot,fakeEdge){return new Profiler.HeapSnapshotRetainingObjectNode(this,snapshot,fakeEdge,null);}
_sortFields(sortColumn,sortAscending){return{object:['_name',sortAscending,'_count',false],count:['_count',sortAscending,'_name',true],shallowSize:['_shallowSize',sortAscending,'_name',true],retainedSize:['_retainedSize',sortAscending,'_name',true],distance:['_distance',sortAscending,'_name',true]}[sortColumn];}
reset(){this.rootNode().removeChildren();this.resetSortingCache();}
setDataSource(snapshot,nodeIndex){super.setDataSource(snapshot,nodeIndex);this.rootNode().expand();}};Profiler.HeapSnapshotRetainmentDataGrid.Events={ExpandRetainersComplete:Symbol('ExpandRetainersComplete')};Profiler.HeapSnapshotConstructorsDataGrid=class extends Profiler.HeapSnapshotViewportDataGrid{constructor(dataDisplayDelegate){const columns=([{id:'object',title:Common.UIString('Constructor'),disclosure:true,sortable:true},{id:'distance',title:Common.UIString('Distance'),width:'70px',sortable:true,fixedWidth:true},{id:'count',title:Common.UIString('Objects Count'),width:'100px',sortable:true,fixedWidth:true},{id:'shallowSize',title:Common.UIString('Shallow Size'),width:'110px',sortable:true,fixedWidth:true},{id:'retainedSize',title:Common.UIString('Retained Size'),width:'110px',sort:DataGrid.DataGrid.Order.Descending,sortable:true,fixedWidth:true}]);super(dataDisplayDelegate,columns);this._profileIndex=-1;this._objectIdToSelect=null;}
_sortFields(sortColumn,sortAscending){return{object:['_name',sortAscending,'_count',false],distance:['_distance',sortAscending,'_retainedSize',true],count:['_count',sortAscending,'_name',true],shallowSize:['_shallowSize',sortAscending,'_name',true],retainedSize:['_retainedSize',sortAscending,'_name',true]}[sortColumn];}
async revealObjectByHeapSnapshotId(id){if(!this.snapshot){this._objectIdToSelect=id;return null;}
const className=await this.snapshot.nodeClassName(parseInt(id,10));if(!className)
return null;const parent=this.topLevelNodes().find(classNode=>classNode._name===className);if(!parent)
return null;const nodes=await parent.populateNodeBySnapshotObjectId(parseInt(id,10));return nodes.length?this.revealTreeNode(nodes):null;}
clear(){this._nextRequestedFilter=null;this._lastFilter=null;this.removeTopLevelNodes();}
setDataSource(snapshot){this.snapshot=snapshot;if(this._profileIndex===-1)
this._populateChildren();if(this._objectIdToSelect){this.revealObjectByHeapSnapshotId(this._objectIdToSelect);this._objectIdToSelect=null;}}
setSelectionRange(minNodeId,maxNodeId){this._nodeFilter=new HeapSnapshotModel.NodeFilter(minNodeId,maxNodeId);this._populateChildren(this._nodeFilter);}
setAllocationNodeId(allocationNodeId){this._nodeFilter=new HeapSnapshotModel.NodeFilter();this._nodeFilter.allocationNodeId=allocationNodeId;this._populateChildren(this._nodeFilter);}
_aggregatesReceived(nodeFilter,aggregates){this._filterInProgress=null;if(this._nextRequestedFilter){this.snapshot.aggregatesWithFilter(this._nextRequestedFilter).then(this._aggregatesReceived.bind(this,this._nextRequestedFilter));this._filterInProgress=this._nextRequestedFilter;this._nextRequestedFilter=null;}
this.removeTopLevelNodes();this.resetSortingCache();for(const constructor in aggregates){this.appendNode(this.rootNode(),new Profiler.HeapSnapshotConstructorNode(this,constructor,aggregates[constructor],nodeFilter));}
this.sortingChanged();this._lastFilter=nodeFilter;}
async _populateChildren(maybeNodeFilter){const nodeFilter=maybeNodeFilter||new HeapSnapshotModel.NodeFilter();if(this._filterInProgress){this._nextRequestedFilter=this._filterInProgress.equals(nodeFilter)?null:nodeFilter;return;}
if(this._lastFilter&&this._lastFilter.equals(nodeFilter))
return;this._filterInProgress=nodeFilter;const aggregates=await this.snapshot.aggregatesWithFilter(nodeFilter);this._aggregatesReceived(nodeFilter,aggregates);}
filterSelectIndexChanged(profiles,profileIndex){this._profileIndex=profileIndex;this._nodeFilter=undefined;if(profileIndex!==-1){const minNodeId=profileIndex>0?profiles[profileIndex-1].maxJSObjectId:0;const maxNodeId=profiles[profileIndex].maxJSObjectId;this._nodeFilter=new HeapSnapshotModel.NodeFilter(minNodeId,maxNodeId);}
this._populateChildren(this._nodeFilter);}};Profiler.HeapSnapshotDiffDataGrid=class extends Profiler.HeapSnapshotViewportDataGrid{constructor(dataDisplayDelegate){const columns=([{id:'object',title:Common.UIString('Constructor'),disclosure:true,sortable:true},{id:'addedCount',title:Common.UIString('# New'),width:'75px',sortable:true,fixedWidth:true},{id:'removedCount',title:Common.UIString('# Deleted'),width:'75px',sortable:true,fixedWidth:true},{id:'countDelta',title:Common.UIString('# Delta'),width:'65px',sortable:true,fixedWidth:true},{id:'addedSize',title:Common.UIString('Alloc. Size'),width:'75px',sortable:true,fixedWidth:true,sort:DataGrid.DataGrid.Order.Descending},{id:'removedSize',title:Common.UIString('Freed Size'),width:'75px',sortable:true,fixedWidth:true},{id:'sizeDelta',title:Common.UIString('Size Delta'),width:'75px',sortable:true,fixedWidth:true}]);super(dataDisplayDelegate,columns);}
defaultPopulateCount(){return 50;}
_sortFields(sortColumn,sortAscending){return{object:['_name',sortAscending,'_count',false],addedCount:['_addedCount',sortAscending,'_name',true],removedCount:['_removedCount',sortAscending,'_name',true],countDelta:['_countDelta',sortAscending,'_name',true],addedSize:['_addedSize',sortAscending,'_name',true],removedSize:['_removedSize',sortAscending,'_name',true],sizeDelta:['_sizeDelta',sortAscending,'_name',true]}[sortColumn];}
setDataSource(snapshot){this.snapshot=snapshot;}
setBaseDataSource(baseSnapshot){this.baseSnapshot=baseSnapshot;this.removeTopLevelNodes();this.resetSortingCache();if(this.baseSnapshot===this.snapshot){this.dispatchEventToListeners(Profiler.HeapSnapshotSortableDataGrid.Events.SortingComplete);return;}
this._populateChildren();}
async _populateChildren(){const aggregatesForDiff=await this.baseSnapshot.aggregatesForDiff();const diffByClassName=await this.snapshot.calculateSnapshotDiff(this.baseSnapshot.uid,aggregatesForDiff);for(const className in diffByClassName){const diff=diffByClassName[className];this.appendNode(this.rootNode(),new Profiler.HeapSnapshotDiffNode(this,className,diff));}
this.sortingChanged();}};Profiler.AllocationDataGrid=class extends Profiler.HeapSnapshotViewportDataGrid{constructor(heapProfilerModel,dataDisplayDelegate){const columns=([{id:'liveCount',title:Common.UIString('Live Count'),width:'75px',sortable:true,fixedWidth:true},{id:'count',title:Common.UIString('Count'),width:'65px',sortable:true,fixedWidth:true},{id:'liveSize',title:Common.UIString('Live Size'),width:'75px',sortable:true,fixedWidth:true},{id:'size',title:Common.UIString('Size'),width:'75px',sortable:true,fixedWidth:true,sort:DataGrid.DataGrid.Order.Descending},{id:'name',title:Common.UIString('Function'),disclosure:true,sortable:true},]);super(dataDisplayDelegate,columns);this._heapProfilerModel=heapProfilerModel;this._linkifier=new Components.Linkifier();}
heapProfilerModel(){return this._heapProfilerModel;}
dispose(){this._linkifier.reset();}
async setDataSource(snapshot){this.snapshot=snapshot;this._topNodes=await this.snapshot.allocationTracesTops();this._populateChildren();}
_populateChildren(){this.removeTopLevelNodes();const root=this.rootNode();const tops=this._topNodes;for(const top of tops)
this.appendNode(root,new Profiler.AllocationGridNode(this,top));this.updateVisibleNodes(true);}
sortingChanged(){this._topNodes.sort(this._createComparator());this.rootNode().removeChildren();this._populateChildren();}
_createComparator(){const fieldName=this.sortColumnId();const compareResult=(this.sortOrder()===DataGrid.DataGrid.Order.Ascending)?+1:-1;function compare(a,b){if(a[fieldName]>b[fieldName])
return compareResult;if(a[fieldName]<b[fieldName])
return-compareResult;return 0;}
return compare;}};;Profiler.HeapSnapshotGridNode=class extends DataGrid.DataGridNode{constructor(tree,hasChildren){super(null,hasChildren);this._dataGrid=tree;this._instanceCount=0;this._savedChildren=null;this._retrievedChildrenRanges=[];this._providerObject=null;this._reachableFromWindow=false;}
static createComparator(fieldNames){return({fieldName1:fieldNames[0],ascending1:fieldNames[1],fieldName2:fieldNames[2],ascending2:fieldNames[3]});}
heapSnapshotDataGrid(){return this._dataGrid;}
createProvider(){throw new Error('Not implemented.');}
retainersDataSource(){return null;}
_provider(){if(!this._providerObject)
this._providerObject=this.createProvider();return this._providerObject;}
createCell(columnId){const cell=super.createCell(columnId);if(this._searchMatched)
cell.classList.add('highlight');return cell;}
collapse(){super.collapse();this._dataGrid.updateVisibleNodes(true);}
expand(){super.expand();this._dataGrid.updateVisibleNodes(true);}
dispose(){if(this._providerObject)
this._providerObject.dispose();for(let node=this.children[0];node;node=node.traverseNextNode(true,this,true)){if(node.dispose)
node.dispose();}}
queryObjectContent(heapProfilerModel,objectGroupName){}
_toPercentString(num){return num.toFixed(0)+'\xa0%';}
_toUIDistance(distance){const baseSystemDistance=HeapSnapshotModel.baseSystemDistance;return distance>=0&&distance<baseSystemDistance?Common.UIString('%d',distance):Common.UIString('\u2212');}
allChildren(){return this._dataGrid.allChildren(this);}
removeChildByIndex(index){this._dataGrid.removeChildByIndex(this,index);}
childForPosition(nodePosition){let indexOfFirstChildInRange=0;for(let i=0;i<this._retrievedChildrenRanges.length;i++){const range=this._retrievedChildrenRanges[i];if(range.from<=nodePosition&&nodePosition<range.to){const childIndex=indexOfFirstChildInRange+nodePosition-range.from;return this.allChildren()[childIndex];}
indexOfFirstChildInRange+=range.to-range.from+1;}
return null;}
_createValueCell(columnId){const cell=createElement('td');cell.className='numeric-column';if(this.dataGrid.snapshot.totalSize!==0){const div=createElement('div');const valueSpan=createElement('span');valueSpan.textContent=this.data[columnId];div.appendChild(valueSpan);const percentColumn=columnId+'-percent';if(percentColumn in this.data){const percentSpan=createElement('span');percentSpan.className='percent-column';percentSpan.textContent=this.data[percentColumn];div.appendChild(percentSpan);div.classList.add('profile-multiple-values');}
cell.appendChild(div);}
return cell;}
populate(){if(this._populated)
return;this._populated=true;this._provider().sortAndRewind(this.comparator()).then(()=>this._populateChildren());}
expandWithoutPopulate(){this._populated=true;this.expand();return this._provider().sortAndRewind(this.comparator());}
_populateChildren(fromPosition,toPosition){let afterPopulate;const promise=new Promise(resolve=>afterPopulate=resolve);fromPosition=fromPosition||0;toPosition=toPosition||fromPosition+this._dataGrid.defaultPopulateCount();let firstNotSerializedPosition=fromPosition;serializeNextChunk.call(this);return promise;function serializeNextChunk(){if(firstNotSerializedPosition>=toPosition)
return;const end=Math.min(firstNotSerializedPosition+this._dataGrid.defaultPopulateCount(),toPosition);this._provider().serializeItemsRange(firstNotSerializedPosition,end).then(childrenRetrieved.bind(this));firstNotSerializedPosition=end;}
function insertRetrievedChild(item,insertionIndex){if(this._savedChildren){const hash=this._childHashForEntity(item);if(hash in this._savedChildren){this._dataGrid.insertChild(this,this._savedChildren[hash],insertionIndex);return;}}
this._dataGrid.insertChild(this,this._createChildNode(item),insertionIndex);}
function insertShowMoreButton(from,to,insertionIndex){const button=new DataGrid.ShowMoreDataGridNode(this._populateChildren.bind(this),from,to,this._dataGrid.defaultPopulateCount());this._dataGrid.insertChild(this,button,insertionIndex);}
function childrenRetrieved(itemsRange){let itemIndex=0;let itemPosition=itemsRange.startPosition;const items=itemsRange.items;let insertionIndex=0;if(!this._retrievedChildrenRanges.length){if(itemsRange.startPosition>0){this._retrievedChildrenRanges.push({from:0,to:0});insertShowMoreButton.call(this,0,itemsRange.startPosition,insertionIndex++);}
this._retrievedChildrenRanges.push({from:itemsRange.startPosition,to:itemsRange.endPosition});for(let i=0,l=items.length;i<l;++i)
insertRetrievedChild.call(this,items[i],insertionIndex++);if(itemsRange.endPosition<itemsRange.totalLength)
insertShowMoreButton.call(this,itemsRange.endPosition,itemsRange.totalLength,insertionIndex++);}else{let rangeIndex=0;let found=false;let range;while(rangeIndex<this._retrievedChildrenRanges.length){range=this._retrievedChildrenRanges[rangeIndex];if(range.to>=itemPosition){found=true;break;}
insertionIndex+=range.to-range.from;if(range.to<itemsRange.totalLength)
insertionIndex+=1;++rangeIndex;}
if(!found||itemsRange.startPosition<range.from){this.allChildren()[insertionIndex-1].setEndPosition(itemsRange.startPosition);insertShowMoreButton.call(this,itemsRange.startPosition,found?range.from:itemsRange.totalLength,insertionIndex);range={from:itemsRange.startPosition,to:itemsRange.startPosition};if(!found)
rangeIndex=this._retrievedChildrenRanges.length;this._retrievedChildrenRanges.splice(rangeIndex,0,range);}else{insertionIndex+=itemPosition-range.from;}
while(range.to<itemsRange.endPosition){const skipCount=range.to-itemPosition;insertionIndex+=skipCount;itemIndex+=skipCount;itemPosition=range.to;const nextRange=this._retrievedChildrenRanges[rangeIndex+1];let newEndOfRange=nextRange?nextRange.from:itemsRange.totalLength;if(newEndOfRange>itemsRange.endPosition)
newEndOfRange=itemsRange.endPosition;while(itemPosition<newEndOfRange){insertRetrievedChild.call(this,items[itemIndex++],insertionIndex++);++itemPosition;}
if(nextRange&&newEndOfRange===nextRange.from){range.to=nextRange.to;this.removeChildByIndex(insertionIndex);this._retrievedChildrenRanges.splice(rangeIndex+1,1);}else{range.to=newEndOfRange;if(newEndOfRange===itemsRange.totalLength)
this.removeChildByIndex(insertionIndex);else
this.allChildren()[insertionIndex].setStartPosition(itemsRange.endPosition);}}}
this._instanceCount+=items.length;if(firstNotSerializedPosition<toPosition){serializeNextChunk.call(this);return;}
if(this.expanded)
this._dataGrid.updateVisibleNodes(true);afterPopulate();this.dispatchEventToListeners(Profiler.HeapSnapshotGridNode.Events.PopulateComplete);}}
_saveChildren(){this._savedChildren=null;const children=this.allChildren();for(let i=0,l=children.length;i<l;++i){const child=children[i];if(!child.expanded)
continue;if(!this._savedChildren)
this._savedChildren={};this._savedChildren[this._childHashForNode(child)]=child;}}
async sort(){this._dataGrid.recursiveSortingEnter();await this._provider().sortAndRewind(this.comparator());this._saveChildren();this._dataGrid.removeAllChildren(this);this._retrievedChildrenRanges=[];const instanceCount=this._instanceCount;this._instanceCount=0;await this._populateChildren(0,instanceCount);for(const child of this.allChildren()){if(child.expanded)
child.sort();}
this._dataGrid.recursiveSortingLeave();}};Profiler.HeapSnapshotGridNode.Events={PopulateComplete:Symbol('PopulateComplete')};Profiler.HeapSnapshotGridNode.ChildrenProvider=function(){};Profiler.HeapSnapshotGridNode.ChildrenProvider.prototype={dispose(){},nodePosition(snapshotObjectId){},isEmpty(){},serializeItemsRange(startPosition,endPosition){},sortAndRewind(comparator){}};Profiler.HeapSnapshotGenericObjectNode=class extends Profiler.HeapSnapshotGridNode{constructor(dataGrid,node){super(dataGrid,false);if(!node)
return;this._name=node.name;this._type=node.type;this._distance=node.distance;this._shallowSize=node.selfSize;this._retainedSize=node.retainedSize;this.snapshotNodeId=node.id;this.snapshotNodeIndex=node.nodeIndex;if(this._type==='string'){this._reachableFromWindow=true;}else if(this._type==='object'&&this._name.startsWith('Window')){this._name=this.shortenWindowURL(this._name,false);this._reachableFromWindow=true;}else if(node.canBeQueried){this._reachableFromWindow=true;}
if(node.detachedDOMTreeNode)
this.detachedDOMTreeNode=true;const snapshot=dataGrid.snapshot;const shallowSizePercent=this._shallowSize/snapshot.totalSize*100.0;const retainedSizePercent=this._retainedSize/snapshot.totalSize*100.0;this.data={'distance':this._toUIDistance(this._distance),'shallowSize':Number.withThousandsSeparator(this._shallowSize),'retainedSize':Number.withThousandsSeparator(this._retainedSize),'shallowSize-percent':this._toPercentString(shallowSizePercent),'retainedSize-percent':this._toPercentString(retainedSizePercent)};}
retainersDataSource(){return{snapshot:this._dataGrid.snapshot,snapshotNodeIndex:this.snapshotNodeIndex};}
createCell(columnId){const cell=columnId!=='object'?this._createValueCell(columnId):this._createObjectCell();if(this._searchMatched)
cell.classList.add('highlight');return cell;}
_createObjectCell(){let value=this._name;let valueStyle='object';switch(this._type){case'concatenated string':case'string':value='"'+value+'"';valueStyle='string';break;case'regexp':value='/'+value+'/';valueStyle='string';break;case'closure':value=value+'()';valueStyle='function';break;case'number':valueStyle='number';break;case'hidden':valueStyle='null';break;case'array':value=(value||'')+'[]';break;}
if(this._reachableFromWindow)
valueStyle+=' highlight';if(value==='Object')
value='';if(this.detachedDOMTreeNode)
valueStyle+=' detached-dom-tree-node';return this._createObjectCellWithValue(valueStyle,value);}
_createObjectCellWithValue(valueStyle,value){const cell=createElement('td');cell.className='object-column';const div=createElement('div');div.className='source-code event-properties';div.style.overflow='visible';this._prefixObjectCell(div);const valueSpan=createElement('span');valueSpan.className='value object-value-'+valueStyle;valueSpan.textContent=value;div.appendChild(valueSpan);const idSpan=createElement('span');idSpan.className='object-value-id';idSpan.textContent=' @'+this.snapshotNodeId;div.appendChild(idSpan);cell.appendChild(div);cell.classList.add('disclosure');if(this.depth)
cell.style.setProperty('padding-left',(this.depth*this.dataGrid.indentWidth)+'px');cell.heapSnapshotNode=this;return cell;}
_prefixObjectCell(div){}
queryObjectContent(heapProfilerModel,objectGroupName){let fulfill;const promise=new Promise(x=>fulfill=x);function onResult(object){fulfill(object||runtimeModel.createRemoteObjectFromPrimitiveValue(Common.UIString('Preview is not available')));}
const runtimeModel=heapProfilerModel.runtimeModel();if(this._type==='string')
onResult(runtimeModel.createRemoteObjectFromPrimitiveValue(this._name));else if(!heapProfilerModel||!runtimeModel)
onResult(null);else
heapProfilerModel.objectForSnapshotObjectId(String(this.snapshotNodeId),objectGroupName).then(onResult);return promise;}
async updateHasChildren(){const isEmpty=await this._provider().isEmpty();this.setHasChildren(!isEmpty);}
shortenWindowURL(fullName,hasObjectId){const startPos=fullName.indexOf('/');const endPos=hasObjectId?fullName.indexOf('@'):fullName.length;if(startPos===-1||endPos===-1)
return fullName;const fullURL=fullName.substring(startPos+1,endPos).trimLeft();let url=fullURL.trimURL();if(url.length>40)
url=url.trimMiddle(40);return fullName.substr(0,startPos+2)+url+fullName.substr(endPos);}};Profiler.HeapSnapshotObjectNode=class extends Profiler.HeapSnapshotGenericObjectNode{constructor(dataGrid,snapshot,edge,parentObjectNode){super(dataGrid,edge.node);this._referenceName=edge.name;this._referenceType=edge.type;this._edgeIndex=edge.edgeIndex;this._snapshot=snapshot;this._parentObjectNode=parentObjectNode;this._cycledWithAncestorGridNode=this._findAncestorWithSameSnapshotNodeId();if(!this._cycledWithAncestorGridNode)
this.updateHasChildren();const data=this.data;data['count']='';data['addedCount']='';data['removedCount']='';data['countDelta']='';data['addedSize']='';data['removedSize']='';data['sizeDelta']='';}
retainersDataSource(){return{snapshot:this._snapshot,snapshotNodeIndex:this.snapshotNodeIndex};}
createProvider(){return this._snapshot.createEdgesProvider(this.snapshotNodeIndex);}
_findAncestorWithSameSnapshotNodeId(){let ancestor=this._parentObjectNode;while(ancestor){if(ancestor.snapshotNodeId===this.snapshotNodeId)
return ancestor;ancestor=ancestor._parentObjectNode;}
return null;}
_createChildNode(item){return new Profiler.HeapSnapshotObjectNode(this._dataGrid,this._snapshot,item,this);}
_childHashForEntity(edge){return edge.edgeIndex;}
_childHashForNode(childNode){return childNode._edgeIndex;}
comparator(){const sortAscending=this._dataGrid.isSortOrderAscending();const sortColumnId=this._dataGrid.sortColumnId();const sortFields={object:['!edgeName',sortAscending,'retainedSize',false],count:['!edgeName',true,'retainedSize',false],shallowSize:['selfSize',sortAscending,'!edgeName',true],retainedSize:['retainedSize',sortAscending,'!edgeName',true],distance:['distance',sortAscending,'_name',true]}[sortColumnId]||['!edgeName',true,'retainedSize',false];return Profiler.HeapSnapshotGridNode.createComparator(sortFields);}
_prefixObjectCell(div){let name=this._referenceName||'(empty)';let nameClass='name';switch(this._referenceType){case'context':nameClass='object-value-number';break;case'internal':case'hidden':case'weak':nameClass='object-value-null';break;case'element':name='['+name+']';break;}
if(this._cycledWithAncestorGridNode)
div.className+=' cycled-ancessor-node';const nameSpan=createElement('span');nameSpan.className=nameClass;nameSpan.textContent=name;div.appendChild(nameSpan);const separatorSpan=createElement('span');separatorSpan.className='grayed';separatorSpan.textContent=this._edgeNodeSeparator();div.appendChild(separatorSpan);}
_edgeNodeSeparator(){return' :: ';}};Profiler.HeapSnapshotRetainingObjectNode=class extends Profiler.HeapSnapshotObjectNode{constructor(dataGrid,snapshot,edge,parentRetainingObjectNode){super(dataGrid,snapshot,edge,parentRetainingObjectNode);}
createProvider(){return this._snapshot.createRetainingEdgesProvider(this.snapshotNodeIndex);}
_createChildNode(item){return new Profiler.HeapSnapshotRetainingObjectNode(this._dataGrid,this._snapshot,item,this);}
_edgeNodeSeparator(){return' in ';}
expand(){this._expandRetainersChain(20);}
_expandRetainersChain(maxExpandLevels){if(!this._populated){this.once(Profiler.HeapSnapshotGridNode.Events.PopulateComplete).then(()=>this._expandRetainersChain(maxExpandLevels));this.populate();return;}
super.expand();if(--maxExpandLevels>0&&this.children.length>0){const retainer=this.children[0];if(retainer._distance>1){retainer._expandRetainersChain(maxExpandLevels);return;}}
this._dataGrid.dispatchEventToListeners(Profiler.HeapSnapshotRetainmentDataGrid.Events.ExpandRetainersComplete);}};Profiler.HeapSnapshotInstanceNode=class extends Profiler.HeapSnapshotGenericObjectNode{constructor(dataGrid,snapshot,node,isDeletedNode){super(dataGrid,node);this._baseSnapshotOrSnapshot=snapshot;this._isDeletedNode=isDeletedNode;this.updateHasChildren();const data=this.data;data['count']='';data['countDelta']='';data['sizeDelta']='';if(this._isDeletedNode){data['addedCount']='';data['addedSize']='';data['removedCount']='\u2022';data['removedSize']=Number.withThousandsSeparator(this._shallowSize);}else{data['addedCount']='\u2022';data['addedSize']=Number.withThousandsSeparator(this._shallowSize);data['removedCount']='';data['removedSize']='';}}
retainersDataSource(){return{snapshot:this._baseSnapshotOrSnapshot,snapshotNodeIndex:this.snapshotNodeIndex};}
createProvider(){return this._baseSnapshotOrSnapshot.createEdgesProvider(this.snapshotNodeIndex);}
_createChildNode(item){return new Profiler.HeapSnapshotObjectNode(this._dataGrid,this._baseSnapshotOrSnapshot,item,null);}
_childHashForEntity(edge){return edge.edgeIndex;}
_childHashForNode(childNode){return childNode._edgeIndex;}
comparator(){const sortAscending=this._dataGrid.isSortOrderAscending();const sortColumnId=this._dataGrid.sortColumnId();const sortFields={object:['!edgeName',sortAscending,'retainedSize',false],distance:['distance',sortAscending,'retainedSize',false],count:['!edgeName',true,'retainedSize',false],addedSize:['selfSize',sortAscending,'!edgeName',true],removedSize:['selfSize',sortAscending,'!edgeName',true],shallowSize:['selfSize',sortAscending,'!edgeName',true],retainedSize:['retainedSize',sortAscending,'!edgeName',true]}[sortColumnId]||['!edgeName',true,'retainedSize',false];return Profiler.HeapSnapshotGridNode.createComparator(sortFields);}};Profiler.HeapSnapshotConstructorNode=class extends Profiler.HeapSnapshotGridNode{constructor(dataGrid,className,aggregate,nodeFilter){super(dataGrid,aggregate.count>0);this._name=className;this._nodeFilter=nodeFilter;this._distance=aggregate.distance;this._count=aggregate.count;this._shallowSize=aggregate.self;this._retainedSize=aggregate.maxRet;const snapshot=dataGrid.snapshot;const countPercent=this._count/snapshot.nodeCount*100.0;const retainedSizePercent=this._retainedSize/snapshot.totalSize*100.0;const shallowSizePercent=this._shallowSize/snapshot.totalSize*100.0;this.data={'object':className,'count':Number.withThousandsSeparator(this._count),'distance':this._toUIDistance(this._distance),'shallowSize':Number.withThousandsSeparator(this._shallowSize),'retainedSize':Number.withThousandsSeparator(this._retainedSize),'count-percent':this._toPercentString(countPercent),'shallowSize-percent':this._toPercentString(shallowSizePercent),'retainedSize-percent':this._toPercentString(retainedSizePercent)};}
createProvider(){return this._dataGrid.snapshot.createNodesProviderForClass(this._name,this._nodeFilter);}
async populateNodeBySnapshotObjectId(snapshotObjectId){this._dataGrid.resetNameFilter();await this.expandWithoutPopulate();const nodePosition=await this._provider().nodePosition(snapshotObjectId);if(nodePosition===-1){this.collapse();return[];}
await this._populateChildren(nodePosition,null);const node=(this.childForPosition(nodePosition));return node?[this,node]:[];}
filteredOut(filterValue){return this._name.toLowerCase().indexOf(filterValue)===-1;}
createCell(columnId){const cell=columnId!=='object'?this._createValueCell(columnId):super.createCell(columnId);if(this._searchMatched)
cell.classList.add('highlight');return cell;}
_createChildNode(item){return new Profiler.HeapSnapshotInstanceNode(this._dataGrid,this._dataGrid.snapshot,item,false);}
comparator(){const sortAscending=this._dataGrid.isSortOrderAscending();const sortColumnId=this._dataGrid.sortColumnId();const sortFields={object:['name',sortAscending,'id',true],distance:['distance',sortAscending,'retainedSize',false],count:['name',true,'id',true],shallowSize:['selfSize',sortAscending,'id',true],retainedSize:['retainedSize',sortAscending,'id',true]}[sortColumnId];return Profiler.HeapSnapshotGridNode.createComparator(sortFields);}
_childHashForEntity(node){return node.id;}
_childHashForNode(childNode){return childNode.snapshotNodeId;}};Profiler.HeapSnapshotDiffNodesProvider=class{constructor(addedNodesProvider,deletedNodesProvider,addedCount,removedCount){this._addedNodesProvider=addedNodesProvider;this._deletedNodesProvider=deletedNodesProvider;this._addedCount=addedCount;this._removedCount=removedCount;}
dispose(){this._addedNodesProvider.dispose();this._deletedNodesProvider.dispose();}
nodePosition(snapshotObjectId){throw new Error('Unreachable');}
isEmpty(){return Promise.resolve(false);}
async serializeItemsRange(beginPosition,endPosition){let itemsRange;let addedItems;if(beginPosition<this._addedCount){itemsRange=await this._addedNodesProvider.serializeItemsRange(beginPosition,endPosition);for(const item of itemsRange.items)
item.isAddedNotRemoved=true;if(itemsRange.endPosition>=endPosition){itemsRange.totalLength=this._addedCount+this._removedCount;return itemsRange;}
addedItems=itemsRange;itemsRange=await this._deletedNodesProvider.serializeItemsRange(0,endPosition-itemsRange.endPosition);}else{addedItems=new HeapSnapshotModel.ItemsRange(0,0,0,[]);itemsRange=await this._deletedNodesProvider.serializeItemsRange(beginPosition-this._addedCount,endPosition-this._addedCount);}
if(!addedItems.items.length)
addedItems.startPosition=this._addedCount+itemsRange.startPosition;for(const item of itemsRange.items)
item.isAddedNotRemoved=false;addedItems.items.pushAll(itemsRange.items);addedItems.endPosition=this._addedCount+itemsRange.endPosition;addedItems.totalLength=this._addedCount+this._removedCount;return addedItems;}
async sortAndRewind(comparator){await this._addedNodesProvider.sortAndRewind(comparator);await this._deletedNodesProvider.sortAndRewind(comparator);}};Profiler.HeapSnapshotDiffNode=class extends Profiler.HeapSnapshotGridNode{constructor(dataGrid,className,diffForClass){super(dataGrid,true);this._name=className;this._addedCount=diffForClass.addedCount;this._removedCount=diffForClass.removedCount;this._countDelta=diffForClass.countDelta;this._addedSize=diffForClass.addedSize;this._removedSize=diffForClass.removedSize;this._sizeDelta=diffForClass.sizeDelta;this._deletedIndexes=diffForClass.deletedIndexes;this.data={'object':className,'addedCount':Number.withThousandsSeparator(this._addedCount),'removedCount':Number.withThousandsSeparator(this._removedCount),'countDelta':this._signForDelta(this._countDelta)+Number.withThousandsSeparator(Math.abs(this._countDelta)),'addedSize':Number.withThousandsSeparator(this._addedSize),'removedSize':Number.withThousandsSeparator(this._removedSize),'sizeDelta':this._signForDelta(this._sizeDelta)+Number.withThousandsSeparator(Math.abs(this._sizeDelta))};}
createProvider(){const tree=this._dataGrid;return new Profiler.HeapSnapshotDiffNodesProvider(tree.snapshot.createAddedNodesProvider(tree.baseSnapshot.uid,this._name),tree.baseSnapshot.createDeletedNodesProvider(this._deletedIndexes),this._addedCount,this._removedCount);}
createCell(columnId){const cell=super.createCell(columnId);if(columnId!=='object')
cell.classList.add('numeric-column');return cell;}
_createChildNode(item){if(item.isAddedNotRemoved)
return new Profiler.HeapSnapshotInstanceNode(this._dataGrid,this._dataGrid.snapshot,item,false);else
return new Profiler.HeapSnapshotInstanceNode(this._dataGrid,this._dataGrid.baseSnapshot,item,true);}
_childHashForEntity(node){return node.id;}
_childHashForNode(childNode){return childNode.snapshotNodeId;}
comparator(){const sortAscending=this._dataGrid.isSortOrderAscending();const sortColumnId=this._dataGrid.sortColumnId();const sortFields={object:['name',sortAscending,'id',true],addedCount:['name',true,'id',true],removedCount:['name',true,'id',true],countDelta:['name',true,'id',true],addedSize:['selfSize',sortAscending,'id',true],removedSize:['selfSize',sortAscending,'id',true],sizeDelta:['selfSize',sortAscending,'id',true]}[sortColumnId];return Profiler.HeapSnapshotGridNode.createComparator(sortFields);}
filteredOut(filterValue){return this._name.toLowerCase().indexOf(filterValue)===-1;}
_signForDelta(delta){if(delta===0)
return'';if(delta>0)
return'+';else
return'\u2212';}};Profiler.AllocationGridNode=class extends Profiler.HeapSnapshotGridNode{constructor(dataGrid,data){super(dataGrid,data.hasChildren);this._populated=false;this._allocationNode=data;this.data={'liveCount':Number.withThousandsSeparator(data.liveCount),'count':Number.withThousandsSeparator(data.count),'liveSize':Number.withThousandsSeparator(data.liveSize),'size':Number.withThousandsSeparator(data.size),'name':data.name};}
populate(){if(this._populated)
return;this._doPopulate();}
async _doPopulate(){this._populated=true;const callers=await this._dataGrid.snapshot.allocationNodeCallers(this._allocationNode.id);const callersChain=callers.nodesWithSingleCaller;let parentNode=this;const dataGrid=(this._dataGrid);for(const caller of callersChain){const child=new Profiler.AllocationGridNode(dataGrid,caller);dataGrid.appendNode(parentNode,child);parentNode=child;parentNode._populated=true;if(this.expanded)
parentNode.expand();}
const callersBranch=callers.branchingCallers;callersBranch.sort(this._dataGrid._createComparator());for(const caller of callersBranch)
dataGrid.appendNode(parentNode,new Profiler.AllocationGridNode(dataGrid,caller));dataGrid.updateVisibleNodes(true);}
expand(){super.expand();if(this.children.length===1)
this.children[0].expand();}
createCell(columnId){if(columnId!=='name')
return this._createValueCell(columnId);const cell=super.createCell(columnId);const allocationNode=this._allocationNode;const heapProfilerModel=this._dataGrid.heapProfilerModel();if(allocationNode.scriptId){const linkifier=this._dataGrid._linkifier;const urlElement=linkifier.linkifyScriptLocation(heapProfilerModel?heapProfilerModel.target():null,String(allocationNode.scriptId),allocationNode.scriptName,allocationNode.line-1,allocationNode.column-1,'profile-node-file');urlElement.style.maxWidth='75%';cell.insertBefore(urlElement,cell.firstChild);}
return cell;}
allocationNodeId(){return this._allocationNode.id;}};;Profiler.HeapSnapshotView=class extends UI.SimpleView{constructor(dataDisplayDelegate,profile){super(Common.UIString('Heap Snapshot'));this.element.classList.add('heap-snapshot-view');this._profile=profile;profile.profileType().addEventListener(Profiler.HeapSnapshotProfileType.SnapshotReceived,this._onReceiveSnapshot,this);profile.profileType().addEventListener(Profiler.ProfileType.Events.RemoveProfileHeader,this._onProfileHeaderRemoved,this);const isHeapTimeline=profile.profileType().id===Profiler.TrackingHeapSnapshotProfileType.TypeId;if(isHeapTimeline){this._trackingOverviewGrid=new Profiler.HeapTrackingOverviewGrid(profile);this._trackingOverviewGrid.addEventListener(Profiler.HeapTrackingOverviewGrid.IdsRangeChanged,this._onIdsRangeChanged.bind(this));}
this._parentDataDisplayDelegate=dataDisplayDelegate;this._searchableView=new UI.SearchableView(this);this._searchableView.show(this.element);this._splitWidget=new UI.SplitWidget(false,true,'heapSnapshotSplitViewState',200,200);this._splitWidget.show(this._searchableView.element);this._containmentDataGrid=new Profiler.HeapSnapshotContainmentDataGrid(this);this._containmentDataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._selectionChanged,this);this._containmentWidget=this._containmentDataGrid.asWidget();this._containmentWidget.setMinimumSize(50,25);this._statisticsView=new Profiler.HeapSnapshotStatisticsView();this._constructorsDataGrid=new Profiler.HeapSnapshotConstructorsDataGrid(this);this._constructorsDataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._selectionChanged,this);this._constructorsWidget=this._constructorsDataGrid.asWidget();this._constructorsWidget.setMinimumSize(50,25);this._diffDataGrid=new Profiler.HeapSnapshotDiffDataGrid(this);this._diffDataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._selectionChanged,this);this._diffWidget=this._diffDataGrid.asWidget();this._diffWidget.setMinimumSize(50,25);if(isHeapTimeline&&Common.moduleSetting('recordAllocationStacks').get()){this._allocationDataGrid=new Profiler.AllocationDataGrid(profile._heapProfilerModel,this);this._allocationDataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._onSelectAllocationNode,this);this._allocationWidget=this._allocationDataGrid.asWidget();this._allocationWidget.setMinimumSize(50,25);this._allocationStackView=new Profiler.HeapAllocationStackView(profile._heapProfilerModel);this._allocationStackView.setMinimumSize(50,25);this._tabbedPane=new UI.TabbedPane();}
this._retainmentDataGrid=new Profiler.HeapSnapshotRetainmentDataGrid(this);this._retainmentWidget=this._retainmentDataGrid.asWidget();this._retainmentWidget.setMinimumSize(50,21);this._retainmentWidget.element.classList.add('retaining-paths-view');let splitWidgetResizer;if(this._allocationStackView){this._tabbedPane=new UI.TabbedPane();this._tabbedPane.appendTab('retainers',Common.UIString('Retainers'),this._retainmentWidget);this._tabbedPane.appendTab('allocation-stack',Common.UIString('Allocation stack'),this._allocationStackView);splitWidgetResizer=this._tabbedPane.headerElement();this._objectDetailsView=this._tabbedPane;}else{const retainmentViewHeader=createElementWithClass('div','heap-snapshot-view-resizer');const retainingPathsTitleDiv=retainmentViewHeader.createChild('div','title');const retainingPathsTitle=retainingPathsTitleDiv.createChild('span');retainingPathsTitle.textContent=Common.UIString('Retainers');splitWidgetResizer=retainmentViewHeader;this._objectDetailsView=new UI.VBox();this._objectDetailsView.element.appendChild(retainmentViewHeader);this._retainmentWidget.show(this._objectDetailsView.element);}
this._splitWidget.hideDefaultResizer();this._splitWidget.installResizer(splitWidgetResizer);this._retainmentDataGrid.addEventListener(DataGrid.DataGrid.Events.SelectedNode,this._inspectedObjectChanged,this);this._retainmentDataGrid.reset();this._perspectives=[];this._comparisonPerspective=new Profiler.HeapSnapshotView.ComparisonPerspective();this._perspectives.push(new Profiler.HeapSnapshotView.SummaryPerspective());if(profile.profileType()!==Profiler.ProfileTypeRegistry.instance.trackingHeapSnapshotProfileType)
this._perspectives.push(this._comparisonPerspective);this._perspectives.push(new Profiler.HeapSnapshotView.ContainmentPerspective());if(this._allocationWidget)
this._perspectives.push(new Profiler.HeapSnapshotView.AllocationPerspective());this._perspectives.push(new Profiler.HeapSnapshotView.StatisticsPerspective());this._perspectiveSelect=new UI.ToolbarComboBox(this._onSelectedPerspectiveChanged.bind(this));this._updatePerspectiveOptions();this._baseSelect=new UI.ToolbarComboBox(this._changeBase.bind(this));this._baseSelect.setVisible(false);this._updateBaseOptions();this._filterSelect=new UI.ToolbarComboBox(this._changeFilter.bind(this));this._filterSelect.setVisible(false);this._updateFilterOptions();this._classNameFilter=new UI.ToolbarInput('Class filter');this._classNameFilter.setVisible(false);this._constructorsDataGrid.setNameFilter(this._classNameFilter);this._diffDataGrid.setNameFilter(this._classNameFilter);this._selectedSizeText=new UI.ToolbarText();this._popoverHelper=new UI.PopoverHelper(this.element,this._getPopoverRequest.bind(this));this._popoverHelper.setDisableOnClick(true);this._popoverHelper.setHasPadding(true);this.element.addEventListener('scroll',this._popoverHelper.hidePopover.bind(this._popoverHelper),true);this._currentPerspectiveIndex=0;this._currentPerspective=this._perspectives[0];this._currentPerspective.activate(this);this._dataGrid=this._currentPerspective.masterGrid(this);this._populate();this._searchThrottler=new Common.Throttler(0);for(const existingProfile of this._profiles())
existingProfile.addEventListener(Profiler.ProfileHeader.Events.ProfileTitleChanged,this._updateControls,this);}
searchableView(){return this._searchableView;}
showProfile(profile){return this._parentDataDisplayDelegate.showProfile(profile);}
showObject(snapshotObjectId,perspectiveName){if(snapshotObjectId<=this._profile.maxJSObjectId)
this.selectLiveObject(perspectiveName,snapshotObjectId);else
this._parentDataDisplayDelegate.showObject(snapshotObjectId,perspectiveName);}
async _populate(){const heapSnapshotProxy=await this._profile._loadPromise;this._retrieveStatistics(heapSnapshotProxy);this._dataGrid.setDataSource(heapSnapshotProxy);if(this._profile.profileType().id===Profiler.TrackingHeapSnapshotProfileType.TypeId&&this._profile.fromFile()){const samples=await heapSnapshotProxy.getSamples();this._trackingOverviewGrid._setSamples(samples);}
const list=this._profiles();const profileIndex=list.indexOf(this._profile);this._baseSelect.setSelectedIndex(Math.max(0,profileIndex-1));if(this._trackingOverviewGrid)
this._trackingOverviewGrid._updateGrid();}
async _retrieveStatistics(heapSnapshotProxy){const statistics=await heapSnapshotProxy.getStatistics();this._statisticsView.setTotal(statistics.total);this._statisticsView.addRecord(statistics.code,Common.UIString('Code'),'#f77');this._statisticsView.addRecord(statistics.strings,Common.UIString('Strings'),'#5e5');this._statisticsView.addRecord(statistics.jsArrays,Common.UIString('JS Arrays'),'#7af');this._statisticsView.addRecord(statistics.native,Common.UIString('Typed Arrays'),'#fc5');this._statisticsView.addRecord(statistics.system,Common.UIString('System Objects'),'#98f');this._statisticsView.addRecord(statistics.total,Common.UIString('Total'));return statistics;}
_onIdsRangeChanged(event){const minId=event.data.minId;const maxId=event.data.maxId;this._selectedSizeText.setText(Common.UIString('Selected size: %s',Number.bytesToString(event.data.size)));if(this._constructorsDataGrid.snapshot)
this._constructorsDataGrid.setSelectionRange(minId,maxId);}
syncToolbarItems(){const result=[this._perspectiveSelect,this._classNameFilter];if(this._profile.profileType()!==Profiler.ProfileTypeRegistry.instance.trackingHeapSnapshotProfileType)
result.push(this._baseSelect,this._filterSelect);result.push(this._selectedSizeText);return result;}
willHide(){this._currentSearchResultIndex=-1;this._popoverHelper.hidePopover();}
supportsCaseSensitiveSearch(){return true;}
supportsRegexSearch(){return false;}
searchCanceled(){this._currentSearchResultIndex=-1;this._searchResults=[];}
_selectRevealedNode(node){if(node)
node.select();}
performSearch(searchConfig,shouldJump,jumpBackwards){const nextQuery=new HeapSnapshotModel.SearchConfig(searchConfig.query.trim(),searchConfig.caseSensitive,searchConfig.isRegex,shouldJump,jumpBackwards||false);this._searchThrottler.schedule(this._performSearch.bind(this,nextQuery));}
async _performSearch(nextQuery){this.searchCanceled();if(!this._currentPerspective.supportsSearch())
return;this.currentQuery=nextQuery;const query=nextQuery.query.trim();if(!query)
return;if(query.charAt(0)==='@'){const snapshotNodeId=parseInt(query.substring(1),10);if(isNaN(snapshotNodeId))
return;const node=await this._dataGrid.revealObjectByHeapSnapshotId(String(snapshotNodeId));this._selectRevealedNode(node);return;}
this._searchResults=await this._profile._snapshotProxy.search(this.currentQuery,this._dataGrid.nodeFilter());this._searchableView.updateSearchMatchesCount(this._searchResults.length);if(this._searchResults.length)
this._currentSearchResultIndex=nextQuery.jumpBackwards?this._searchResults.length-1:0;return this._jumpToSearchResult(this._currentSearchResultIndex);}
jumpToNextSearchResult(){if(!this._searchResults.length)
return;this._currentSearchResultIndex=(this._currentSearchResultIndex+1)%this._searchResults.length;this._searchThrottler.schedule(this._jumpToSearchResult.bind(this,this._currentSearchResultIndex));}
jumpToPreviousSearchResult(){if(!this._searchResults.length)
return;this._currentSearchResultIndex=(this._currentSearchResultIndex+this._searchResults.length-1)%this._searchResults.length;this._searchThrottler.schedule(this._jumpToSearchResult.bind(this,this._currentSearchResultIndex));}
async _jumpToSearchResult(searchResultIndex){this._searchableView.updateCurrentMatchIndex(searchResultIndex);const node=await this._dataGrid.revealObjectByHeapSnapshotId(String(this._searchResults[searchResultIndex]));this._selectRevealedNode(node);}
refreshVisibleData(){if(!this._dataGrid)
return;let child=this._dataGrid.rootNode().children[0];while(child){child.refresh();child=child.traverseNextNode(false,null,true);}}
_changeBase(){if(this._baseProfile===this._profiles()[this._baseSelect.selectedIndex()])
return;this._baseProfile=this._profiles()[this._baseSelect.selectedIndex()];const dataGrid=(this._dataGrid);if(dataGrid.snapshot)
this._baseProfile._loadPromise.then(dataGrid.setBaseDataSource.bind(dataGrid));if(!this.currentQuery||!this._searchResults)
return;this.performSearch(this.currentQuery,false);}
_changeFilter(){const profileIndex=this._filterSelect.selectedIndex()-1;this._dataGrid.filterSelectIndexChanged(this._profiles(),profileIndex);if(!this.currentQuery||!this._searchResults)
return;this.performSearch(this.currentQuery,false);}
_profiles(){return this._profile.profileType().getProfiles();}
populateContextMenu(contextMenu,event){if(this._dataGrid)
this._dataGrid.populateContextMenu(contextMenu,event);}
_selectionChanged(event){const selectedNode=(event.data);this._setSelectedNodeForDetailsView(selectedNode);this._inspectedObjectChanged(event);}
_onSelectAllocationNode(event){const selectedNode=(event.data);this._constructorsDataGrid.setAllocationNodeId(selectedNode.allocationNodeId());this._setSelectedNodeForDetailsView(null);}
_inspectedObjectChanged(event){const selectedNode=(event.data);if(this._profile._heapProfilerModel&&selectedNode instanceof Profiler.HeapSnapshotGenericObjectNode)
this._profile._heapProfilerModel.addInspectedHeapObject(String(selectedNode.snapshotNodeId));}
_setSelectedNodeForDetailsView(nodeItem){const dataSource=nodeItem&&nodeItem.retainersDataSource();if(dataSource){this._retainmentDataGrid.setDataSource(dataSource.snapshot,dataSource.snapshotNodeIndex);if(this._allocationStackView)
this._allocationStackView.setAllocatedObject(dataSource.snapshot,dataSource.snapshotNodeIndex);}else{if(this._allocationStackView)
this._allocationStackView.clear();this._retainmentDataGrid.reset();}}
_changePerspectiveAndWait(perspectiveTitle){const perspectiveIndex=this._perspectives.findIndex(perspective=>perspective.title()===perspectiveTitle);if(perspectiveIndex===-1||this._currentPerspectiveIndex===perspectiveIndex)
return Promise.resolve();const promise=this._perspectives[perspectiveIndex].masterGrid(this).once(Profiler.HeapSnapshotSortableDataGrid.Events.ContentShown);const option=this._perspectiveSelect.options().find(option=>option.value===perspectiveIndex);this._perspectiveSelect.select((option));this._changePerspective(perspectiveIndex);return promise;}
async _updateDataSourceAndView(){const dataGrid=this._dataGrid;if(!dataGrid||dataGrid.snapshot)
return;const snapshotProxy=await this._profile._loadPromise;if(this._dataGrid!==dataGrid)
return;if(dataGrid.snapshot!==snapshotProxy)
dataGrid.setDataSource(snapshotProxy);if(dataGrid!==this._diffDataGrid)
return;if(!this._baseProfile)
this._baseProfile=this._profiles()[this._baseSelect.selectedIndex()];const baseSnapshotProxy=await this._baseProfile._loadPromise;if(this._diffDataGrid.baseSnapshot!==baseSnapshotProxy)
this._diffDataGrid.setBaseDataSource(baseSnapshotProxy);}
_onSelectedPerspectiveChanged(event){this._changePerspective(event.target.selectedOptions[0].value);}
_changePerspective(selectedIndex){if(selectedIndex===this._currentPerspectiveIndex)
return;this._currentPerspectiveIndex=selectedIndex;this._currentPerspective.deactivate(this);const perspective=this._perspectives[selectedIndex];this._currentPerspective=perspective;this._dataGrid=perspective.masterGrid(this);perspective.activate(this);this.refreshVisibleData();if(this._dataGrid)
this._dataGrid.updateWidths();this._updateDataSourceAndView();if(!this.currentQuery||!this._searchResults)
return;this.performSearch(this.currentQuery,false);}
async selectLiveObject(perspectiveName,snapshotObjectId){await this._changePerspectiveAndWait(perspectiveName);const node=await this._dataGrid.revealObjectByHeapSnapshotId(snapshotObjectId);if(node)
node.select();else
Common.console.error('Cannot find corresponding heap snapshot node');}
_getPopoverRequest(event){const span=event.target.enclosingNodeOrSelfWithNodeName('span');const row=event.target.enclosingNodeOrSelfWithNodeName('tr');const heapProfilerModel=this._profile._heapProfilerModel;if(!row||!span||!heapProfilerModel)
return null;const node=row._dataGridNode;let objectPopoverHelper;return{box:span.boxInWindow(),show:async popover=>{const remoteObject=await node.queryObjectContent(heapProfilerModel,'popover');if(!remoteObject)
return false;objectPopoverHelper=await ObjectUI.ObjectPopoverHelper.buildObjectPopover(remoteObject,popover);if(!objectPopoverHelper){heapProfilerModel.runtimeModel().releaseObjectGroup('popover');return false;}
return true;},hide:()=>{heapProfilerModel.runtimeModel().releaseObjectGroup('popover');objectPopoverHelper.dispose();}};}
_updatePerspectiveOptions(){const multipleSnapshots=this._profiles().length>1;this._perspectiveSelect.removeOptions();this._perspectives.forEach((perspective,index)=>{if(multipleSnapshots||perspective!==this._comparisonPerspective)
this._perspectiveSelect.createOption(perspective.title(),'',String(index));});}
_updateBaseOptions(){const list=this._profiles();const selectedIndex=this._baseSelect.selectedIndex();this._baseSelect.removeOptions();for(const item of list)
this._baseSelect.createOption(item.title);if(selectedIndex>-1)
this._baseSelect.setSelectedIndex(selectedIndex);}
_updateFilterOptions(){const list=this._profiles();const selectedIndex=this._filterSelect.selectedIndex();this._filterSelect.removeOptions();this._filterSelect.createOption(Common.UIString('All objects'));for(let i=0;i<list.length;++i){let title;if(!i)
title=Common.UIString('Objects allocated before %s',list[i].title);else
title=Common.UIString('Objects allocated between %s and %s',list[i-1].title,list[i].title);this._filterSelect.createOption(title);}
if(selectedIndex>-1)
this._filterSelect.setSelectedIndex(selectedIndex);}
_updateControls(){this._updatePerspectiveOptions();this._updateBaseOptions();this._updateFilterOptions();}
_onReceiveSnapshot(event){this._updateControls();const profile=event.data;profile.addEventListener(Profiler.ProfileHeader.Events.ProfileTitleChanged,this._updateControls,this);}
_onProfileHeaderRemoved(event){const profile=event.data;profile.removeEventListener(Profiler.ProfileHeader.Events.ProfileTitleChanged,this._updateControls,this);if(this._profile===profile){this.detach();this._profile.profileType().removeEventListener(Profiler.HeapSnapshotProfileType.SnapshotReceived,this._onReceiveSnapshot,this);this._profile.profileType().removeEventListener(Profiler.ProfileType.Events.RemoveProfileHeader,this._onProfileHeaderRemoved,this);this.dispose();}else{this._updateControls();}}
dispose(){if(this._allocationStackView){this._allocationStackView.clear();this._allocationDataGrid.dispose();}
if(this._trackingOverviewGrid)
this._trackingOverviewGrid.dispose();}};Profiler.HeapSnapshotView.Perspective=class{constructor(title){this._title=title;}
activate(heapSnapshotView){}
deactivate(heapSnapshotView){heapSnapshotView._baseSelect.setVisible(false);heapSnapshotView._filterSelect.setVisible(false);heapSnapshotView._classNameFilter.setVisible(false);if(heapSnapshotView._trackingOverviewGrid)
heapSnapshotView._trackingOverviewGrid.detach();if(heapSnapshotView._allocationWidget)
heapSnapshotView._allocationWidget.detach();if(heapSnapshotView._statisticsView)
heapSnapshotView._statisticsView.detach();heapSnapshotView._splitWidget.detach();heapSnapshotView._splitWidget.detachChildWidgets();}
masterGrid(heapSnapshotView){return null;}
title(){return this._title;}
supportsSearch(){return false;}};Profiler.HeapSnapshotView.SummaryPerspective=class extends Profiler.HeapSnapshotView.Perspective{constructor(){super(Common.UIString('Summary'));}
activate(heapSnapshotView){heapSnapshotView._splitWidget.setMainWidget(heapSnapshotView._constructorsWidget);heapSnapshotView._splitWidget.setSidebarWidget(heapSnapshotView._objectDetailsView);heapSnapshotView._splitWidget.show(heapSnapshotView._searchableView.element);heapSnapshotView._filterSelect.setVisible(true);heapSnapshotView._classNameFilter.setVisible(true);if(!heapSnapshotView._trackingOverviewGrid)
return;heapSnapshotView._trackingOverviewGrid.show(heapSnapshotView._searchableView.element,heapSnapshotView._splitWidget.element);heapSnapshotView._trackingOverviewGrid.update();heapSnapshotView._trackingOverviewGrid._updateGrid();}
masterGrid(heapSnapshotView){return heapSnapshotView._constructorsDataGrid;}
supportsSearch(){return true;}};Profiler.HeapSnapshotView.ComparisonPerspective=class extends Profiler.HeapSnapshotView.Perspective{constructor(){super(Common.UIString('Comparison'));}
activate(heapSnapshotView){heapSnapshotView._splitWidget.setMainWidget(heapSnapshotView._diffWidget);heapSnapshotView._splitWidget.setSidebarWidget(heapSnapshotView._objectDetailsView);heapSnapshotView._splitWidget.show(heapSnapshotView._searchableView.element);heapSnapshotView._baseSelect.setVisible(true);heapSnapshotView._classNameFilter.setVisible(true);}
masterGrid(heapSnapshotView){return heapSnapshotView._diffDataGrid;}
supportsSearch(){return true;}};Profiler.HeapSnapshotView.ContainmentPerspective=class extends Profiler.HeapSnapshotView.Perspective{constructor(){super(Common.UIString('Containment'));}
activate(heapSnapshotView){heapSnapshotView._splitWidget.setMainWidget(heapSnapshotView._containmentWidget);heapSnapshotView._splitWidget.setSidebarWidget(heapSnapshotView._objectDetailsView);heapSnapshotView._splitWidget.show(heapSnapshotView._searchableView.element);}
masterGrid(heapSnapshotView){return heapSnapshotView._containmentDataGrid;}};Profiler.HeapSnapshotView.AllocationPerspective=class extends Profiler.HeapSnapshotView.Perspective{constructor(){super(Common.UIString('Allocation'));this._allocationSplitWidget=new UI.SplitWidget(false,true,'heapSnapshotAllocationSplitViewState',200,200);this._allocationSplitWidget.setSidebarWidget(new UI.VBox());}
activate(heapSnapshotView){this._allocationSplitWidget.setMainWidget(heapSnapshotView._allocationWidget);heapSnapshotView._splitWidget.setMainWidget(heapSnapshotView._constructorsWidget);heapSnapshotView._splitWidget.setSidebarWidget(heapSnapshotView._objectDetailsView);const allocatedObjectsView=new UI.VBox();const resizer=createElementWithClass('div','heap-snapshot-view-resizer');const title=resizer.createChild('div','title').createChild('span');title.textContent=Common.UIString('Live objects');this._allocationSplitWidget.hideDefaultResizer();this._allocationSplitWidget.installResizer(resizer);allocatedObjectsView.element.appendChild(resizer);heapSnapshotView._splitWidget.show(allocatedObjectsView.element);this._allocationSplitWidget.setSidebarWidget(allocatedObjectsView);this._allocationSplitWidget.show(heapSnapshotView._searchableView.element);heapSnapshotView._constructorsDataGrid.clear();const selectedNode=heapSnapshotView._allocationDataGrid.selectedNode;if(selectedNode)
heapSnapshotView._constructorsDataGrid.setAllocationNodeId(selectedNode.allocationNodeId());}
deactivate(heapSnapshotView){this._allocationSplitWidget.detach();super.deactivate(heapSnapshotView);}
masterGrid(heapSnapshotView){return heapSnapshotView._allocationDataGrid;}};Profiler.HeapSnapshotView.StatisticsPerspective=class extends Profiler.HeapSnapshotView.Perspective{constructor(){super(Common.UIString('Statistics'));}
activate(heapSnapshotView){heapSnapshotView._statisticsView.show(heapSnapshotView._searchableView.element);}
masterGrid(heapSnapshotView){return null;}};Profiler.HeapSnapshotProfileType=class extends Profiler.ProfileType{constructor(id,title){super(id||Profiler.HeapSnapshotProfileType.TypeId,title||ls`Heap snapshot`);SDK.targetManager.observeModels(SDK.HeapProfilerModel,this);SDK.targetManager.addModelListener(SDK.HeapProfilerModel,SDK.HeapProfilerModel.Events.ResetProfiles,this._resetProfiles,this);SDK.targetManager.addModelListener(SDK.HeapProfilerModel,SDK.HeapProfilerModel.Events.AddHeapSnapshotChunk,this._addHeapSnapshotChunk,this);SDK.targetManager.addModelListener(SDK.HeapProfilerModel,SDK.HeapProfilerModel.Events.ReportHeapSnapshotProgress,this._reportHeapSnapshotProgress,this);}
modelAdded(heapProfilerModel){heapProfilerModel.enable();}
modelRemoved(heapProfilerModel){}
getProfiles(){return(super.getProfiles());}
fileExtension(){return'.heapsnapshot';}
get buttonTooltip(){return Common.UIString('Take heap snapshot');}
isInstantProfile(){return true;}
buttonClicked(){this._takeHeapSnapshot();Host.userMetrics.actionTaken(Host.UserMetrics.Action.ProfilesHeapProfileTaken);return false;}
get treeItemTitle(){return Common.UIString('HEAP SNAPSHOTS');}
get description(){return Common.UIString('Heap snapshot profiles show memory distribution among your page\'s JavaScript objects and related DOM nodes.');}
createProfileLoadedFromFile(title){return new Profiler.HeapProfileHeader(null,this,title);}
async _takeHeapSnapshot(){if(this.profileBeingRecorded())
return;const heapProfilerModel=UI.context.flavor(SDK.HeapProfilerModel);if(!heapProfilerModel)
return;let profile=new Profiler.HeapProfileHeader(heapProfilerModel,this);this.setProfileBeingRecorded(profile);this.addProfile(profile);profile.updateStatus(Common.UIString('Snapshotting\u2026'));await heapProfilerModel.takeHeapSnapshot(true);profile=this.profileBeingRecorded();profile.title=Common.UIString('Snapshot %d',profile.uid);profile._finishLoad();this.setProfileBeingRecorded(null);this.dispatchEventToListeners(Profiler.ProfileType.Events.ProfileComplete,profile);}
_addHeapSnapshotChunk(event){if(!this.profileBeingRecorded())
return;const chunk=(event.data);this.profileBeingRecorded().transferChunk(chunk);}
_reportHeapSnapshotProgress(event){const profile=this.profileBeingRecorded();if(!profile)
return;const data=(event.data);profile.updateStatus(Common.UIString('%.0f%%',(data.done/data.total)*100),true);if(data.finished)
profile._prepareToLoad();}
_resetProfiles(event){const heapProfilerModel=(event.data);for(const profile of this.getProfiles()){if(profile._heapProfilerModel===heapProfilerModel)
this.removeProfile(profile);}}
_snapshotReceived(profile){if(this.profileBeingRecorded()===profile)
this.setProfileBeingRecorded(null);this.dispatchEventToListeners(Profiler.HeapSnapshotProfileType.SnapshotReceived,profile);}};Profiler.HeapSnapshotProfileType.TypeId='HEAP';Profiler.HeapSnapshotProfileType.SnapshotReceived='SnapshotReceived';Profiler.TrackingHeapSnapshotProfileType=class extends Profiler.HeapSnapshotProfileType{constructor(){super(Profiler.TrackingHeapSnapshotProfileType.TypeId,ls`Allocation instrumentation on timeline`);}
modelAdded(heapProfilerModel){super.modelAdded(heapProfilerModel);heapProfilerModel.addEventListener(SDK.HeapProfilerModel.Events.HeapStatsUpdate,this._heapStatsUpdate,this);heapProfilerModel.addEventListener(SDK.HeapProfilerModel.Events.LastSeenObjectId,this._lastSeenObjectId,this);}
modelRemoved(heapProfilerModel){super.modelRemoved(heapProfilerModel);heapProfilerModel.removeEventListener(SDK.HeapProfilerModel.Events.HeapStatsUpdate,this._heapStatsUpdate,this);heapProfilerModel.removeEventListener(SDK.HeapProfilerModel.Events.LastSeenObjectId,this._lastSeenObjectId,this);}
_heapStatsUpdate(event){if(!this._profileSamples)
return;const samples=(event.data);let index;for(let i=0;i<samples.length;i+=3){index=samples[i];const size=samples[i+2];this._profileSamples.sizes[index]=size;if(!this._profileSamples.max[index])
this._profileSamples.max[index]=size;}}
_lastSeenObjectId(event){const profileSamples=this._profileSamples;if(!profileSamples)
return;const data=(event.data);const currentIndex=Math.max(profileSamples.ids.length,profileSamples.max.length-1);profileSamples.ids[currentIndex]=data.lastSeenObjectId;if(!profileSamples.max[currentIndex]){profileSamples.max[currentIndex]=0;profileSamples.sizes[currentIndex]=0;}
profileSamples.timestamps[currentIndex]=data.timestamp;if(profileSamples.totalTime<data.timestamp-profileSamples.timestamps[0])
profileSamples.totalTime*=2;this.dispatchEventToListeners(Profiler.TrackingHeapSnapshotProfileType.HeapStatsUpdate,this._profileSamples);this.profileBeingRecorded().updateStatus(null,true);}
hasTemporaryView(){return true;}
get buttonTooltip(){return this._recording?ls`Stop recording heap profile`:ls`Start recording heap profile`;}
isInstantProfile(){return false;}
buttonClicked(){return this._toggleRecording();}
_startRecordingProfile(){if(this.profileBeingRecorded())
return;const heapProfilerModel=this._addNewProfile();if(!heapProfilerModel)
return;const recordAllocationStacks=Common.moduleSetting('recordAllocationStacks').get();heapProfilerModel.startTrackingHeapObjects(recordAllocationStacks);}
_addNewProfile(){const heapProfilerModel=UI.context.flavor(SDK.HeapProfilerModel);if(!heapProfilerModel)
return null;this.setProfileBeingRecorded(new Profiler.HeapProfileHeader(heapProfilerModel,this,undefined));this._profileSamples=new Profiler.TrackingHeapSnapshotProfileType.Samples();this.profileBeingRecorded()._profileSamples=this._profileSamples;this._recording=true;this.addProfile((this.profileBeingRecorded()));this.profileBeingRecorded().updateStatus(Common.UIString('Recording\u2026'));this.dispatchEventToListeners(Profiler.TrackingHeapSnapshotProfileType.TrackingStarted);return heapProfilerModel;}
async _stopRecordingProfile(){this.profileBeingRecorded().updateStatus(Common.UIString('Snapshotting\u2026'));const stopPromise=this.profileBeingRecorded()._heapProfilerModel.stopTrackingHeapObjects(true);this._recording=false;this.dispatchEventToListeners(Profiler.TrackingHeapSnapshotProfileType.TrackingStopped);await stopPromise;const profile=this.profileBeingRecorded();if(!profile)
return;profile._finishLoad();this._profileSamples=null;this.setProfileBeingRecorded(null);this.dispatchEventToListeners(Profiler.ProfileType.Events.ProfileComplete,profile);}
_toggleRecording(){if(this._recording)
this._stopRecordingProfile();else
this._startRecordingProfile();return this._recording;}
fileExtension(){return'.heaptimeline';}
get treeItemTitle(){return ls`ALLOCATION TIMELINES`;}
get description(){return ls`
        Allocation timelines show instrumented JavaScript memory allocations over time.
        Once profile is recorded you can select a time interval to see objects that
        were allocated within it and still alive by the end of recording.
        Use this profile type to isolate memory leaks.`;}
_resetProfiles(event){const wasRecording=this._recording;this.setProfileBeingRecorded(null);super._resetProfiles(event);this._profileSamples=null;if(wasRecording)
this._addNewProfile();}
profileBeingRecordedRemoved(){this._stopRecordingProfile();this._profileSamples=null;}};Profiler.TrackingHeapSnapshotProfileType.TypeId='HEAP-RECORD';Profiler.TrackingHeapSnapshotProfileType.HeapStatsUpdate='HeapStatsUpdate';Profiler.TrackingHeapSnapshotProfileType.TrackingStarted='TrackingStarted';Profiler.TrackingHeapSnapshotProfileType.TrackingStopped='TrackingStopped';Profiler.TrackingHeapSnapshotProfileType.Samples=class{constructor(){this.sizes=[];this.ids=[];this.timestamps=[];this.max=[];this.totalTime=30000;}};Profiler.HeapProfileHeader=class extends Profiler.ProfileHeader{constructor(heapProfilerModel,type,title){super(type,title||Common.UIString('Snapshot %d',type.nextProfileUid()));this._heapProfilerModel=heapProfilerModel;this.maxJSObjectId=-1;this._workerProxy=null;this._receiver=null;this._snapshotProxy=null;this._loadPromise=new Promise(resolve=>this._fulfillLoad=resolve);this._totalNumberOfChunks=0;this._bufferedWriter=null;this._tempFile=null;}
heapProfilerModel(){return this._heapProfilerModel;}
createSidebarTreeElement(dataDisplayDelegate){return new Profiler.ProfileSidebarTreeElement(dataDisplayDelegate,this,'heap-snapshot-sidebar-tree-item');}
createView(dataDisplayDelegate){return new Profiler.HeapSnapshotView(dataDisplayDelegate,this);}
_prepareToLoad(){console.assert(!this._receiver,'Already loading');this._setupWorker();this.updateStatus(Common.UIString('Loading\u2026'),true);}
_finishLoad(){if(!this._wasDisposed)
this._receiver.close();if(!this._bufferedWriter)
return;this._didWriteToTempFile(this._bufferedWriter);}
_didWriteToTempFile(tempFile){if(this._wasDisposed){if(tempFile)
tempFile.remove();return;}
this._tempFile=tempFile;if(!tempFile)
this._failedToCreateTempFile=true;if(this._onTempFileReady){this._onTempFileReady();this._onTempFileReady=null;}}
_setupWorker(){function setProfileWait(event){this.updateStatus(null,event.data);}
console.assert(!this._workerProxy,'HeapSnapshotWorkerProxy already exists');this._workerProxy=new Profiler.HeapSnapshotWorkerProxy(this._handleWorkerEvent.bind(this));this._workerProxy.addEventListener(Profiler.HeapSnapshotWorkerProxy.Events.Wait,setProfileWait,this);this._receiver=this._workerProxy.createLoader(this.uid,this._snapshotReceived.bind(this));}
_handleWorkerEvent(eventName,data){if(HeapSnapshotModel.HeapSnapshotProgressEvent.BrokenSnapshot===eventName){const error=(data);Common.console.error(error);return;}
if(HeapSnapshotModel.HeapSnapshotProgressEvent.Update!==eventName)
return;const subtitle=(data);this.updateStatus(subtitle);}
dispose(){if(this._workerProxy)
this._workerProxy.dispose();this.removeTempFile();this._wasDisposed=true;}
_didCompleteSnapshotTransfer(){if(!this._snapshotProxy)
return;this.updateStatus(Number.bytesToString(this._snapshotProxy.totalSize),false);}
transferChunk(chunk){if(!this._bufferedWriter)
this._bufferedWriter=new Bindings.TempFile();this._bufferedWriter.write([chunk]);++this._totalNumberOfChunks;this._receiver.write(chunk);}
_snapshotReceived(snapshotProxy){if(this._wasDisposed)
return;this._receiver=null;this._snapshotProxy=snapshotProxy;this.maxJSObjectId=snapshotProxy.maxJSObjectId();this._didCompleteSnapshotTransfer();this._workerProxy.startCheckingForLongRunningCalls();this.notifySnapshotReceived();}
notifySnapshotReceived(){this._fulfillLoad(this._snapshotProxy);this.profileType()._snapshotReceived(this);if(this.canSaveToFile())
this.dispatchEventToListeners(Profiler.ProfileHeader.Events.ProfileReceived);}
canSaveToFile(){return!this.fromFile()&&!!this._snapshotProxy;}
saveToFile(){const fileOutputStream=new Bindings.FileOutputStream();this._fileName=this._fileName||'Heap-'+new Date().toISO8601Compact()+this.profileType().fileExtension();fileOutputStream.open(this._fileName).then(onOpen.bind(this));async function onOpen(accepted){if(!accepted)
return;if(this._failedToCreateTempFile){Common.console.error('Failed to open temp file with heap snapshot');fileOutputStream.close();return;}
if(this._tempFile){const error=await this._tempFile.copyToOutputStream(fileOutputStream,this._onChunkTransferred.bind(this));if(error)
Common.console.error('Failed to read heap snapshot from temp file: '+error.message);this._didCompleteSnapshotTransfer();return;}
this._onTempFileReady=onOpen.bind(this,accepted);this._updateSaveProgress(0,1);}}
_onChunkTransferred(reader){this._updateSaveProgress(reader.loadedSize(),reader.fileSize());}
_updateSaveProgress(value,total){const percentValue=((total&&value/total)*100).toFixed(0);this.updateStatus(Common.UIString('Saving\u2026 %d%%',percentValue));}
async loadFromFile(file){this.updateStatus(Common.UIString('Loading\u2026'),true);this._setupWorker();const reader=new Bindings.ChunkedFileReader(file,10000000);const success=await reader.read((this._receiver));if(!success)
this.updateStatus(reader.error().message);return success?null:reader.error();}};Profiler.HeapTrackingOverviewGrid=class extends UI.VBox{constructor(heapProfileHeader){super();this.element.id='heap-recording-view';this.element.classList.add('heap-tracking-overview');this._overviewContainer=this.element.createChild('div','heap-overview-container');this._overviewGrid=new PerfUI.OverviewGrid('heap-recording');this._overviewGrid.element.classList.add('fill');this._overviewCanvas=this._overviewContainer.createChild('canvas','heap-recording-overview-canvas');this._overviewContainer.appendChild(this._overviewGrid.element);this._overviewCalculator=new Profiler.HeapTrackingOverviewGrid.OverviewCalculator();this._overviewGrid.addEventListener(PerfUI.OverviewGrid.Events.WindowChanged,this._onWindowChanged,this);this._profileSamples=heapProfileHeader.fromFile()?new Profiler.TrackingHeapSnapshotProfileType.Samples():heapProfileHeader._profileSamples;this._profileType=heapProfileHeader.profileType();if(!heapProfileHeader.fromFile()&&heapProfileHeader.profileType().profileBeingRecorded()===heapProfileHeader){this._profileType.addEventListener(Profiler.TrackingHeapSnapshotProfileType.HeapStatsUpdate,this._onHeapStatsUpdate,this);this._profileType.addEventListener(Profiler.TrackingHeapSnapshotProfileType.TrackingStopped,this._onStopTracking,this);}
this._windowLeft=0.0;this._windowRight=1.0;this._overviewGrid.setWindow(this._windowLeft,this._windowRight);this._yScale=new Profiler.HeapTrackingOverviewGrid.SmoothScale();this._xScale=new Profiler.HeapTrackingOverviewGrid.SmoothScale();}
dispose(){this._onStopTracking();}
_onStopTracking(){this._profileType.removeEventListener(Profiler.TrackingHeapSnapshotProfileType.HeapStatsUpdate,this._onHeapStatsUpdate,this);this._profileType.removeEventListener(Profiler.TrackingHeapSnapshotProfileType.TrackingStopped,this._onStopTracking,this);}
_onHeapStatsUpdate(event){this._profileSamples=event.data;this._scheduleUpdate();}
_setSamples(samples){if(!samples)
return;console.assert(!this._profileSamples.timestamps.length,'Should only call this method when loading from file.');console.assert(samples.timestamps.length);this._profileSamples=new Profiler.TrackingHeapSnapshotProfileType.Samples();this._profileSamples.sizes=samples.sizes;this._profileSamples.ids=samples.lastAssignedIds;this._profileSamples.timestamps=samples.timestamps;this._profileSamples.max=samples.sizes;this._profileSamples.totalTime=(samples.timestamps.peekLast());this.update();}
_drawOverviewCanvas(width,height){if(!this._profileSamples)
return;const profileSamples=this._profileSamples;const sizes=profileSamples.sizes;const topSizes=profileSamples.max;const timestamps=profileSamples.timestamps;const startTime=timestamps[0];const endTime=timestamps[timestamps.length-1];const scaleFactor=this._xScale.nextScale(width/profileSamples.totalTime);let maxSize=0;function aggregateAndCall(sizes,callback){let size=0;let currentX=0;for(let i=1;i<timestamps.length;++i){const x=Math.floor((timestamps[i]-startTime)*scaleFactor);if(x!==currentX){if(size)
callback(currentX,size);size=0;currentX=x;}
size+=sizes[i];}
callback(currentX,size);}
function maxSizeCallback(x,size){maxSize=Math.max(maxSize,size);}
aggregateAndCall(sizes,maxSizeCallback);const yScaleFactor=this._yScale.nextScale(maxSize?height/(maxSize*1.1):0.0);this._overviewCanvas.width=width*window.devicePixelRatio;this._overviewCanvas.height=height*window.devicePixelRatio;this._overviewCanvas.style.width=width+'px';this._overviewCanvas.style.height=height+'px';const context=this._overviewCanvas.getContext('2d');context.scale(window.devicePixelRatio,window.devicePixelRatio);context.beginPath();context.lineWidth=2;context.strokeStyle='rgba(192, 192, 192, 0.6)';const currentX=(endTime-startTime)*scaleFactor;context.moveTo(currentX,height-1);context.lineTo(currentX,0);context.stroke();context.closePath();let gridY;let gridValue;const gridLabelHeight=14;if(yScaleFactor){const maxGridValue=(height-gridLabelHeight)/yScaleFactor;gridValue=Math.pow(1024,Math.floor(Math.log(maxGridValue)/Math.log(1024)));gridValue*=Math.pow(10,Math.floor(Math.log(maxGridValue/gridValue)/Math.LN10));if(gridValue*5<=maxGridValue)
gridValue*=5;gridY=Math.round(height-gridValue*yScaleFactor-0.5)+0.5;context.beginPath();context.lineWidth=1;context.strokeStyle='rgba(0, 0, 0, 0.2)';context.moveTo(0,gridY);context.lineTo(width,gridY);context.stroke();context.closePath();}
function drawBarCallback(x,size){context.moveTo(x,height-1);context.lineTo(x,Math.round(height-size*yScaleFactor-1));}
context.beginPath();context.lineWidth=2;context.strokeStyle='rgba(192, 192, 192, 0.6)';aggregateAndCall(topSizes,drawBarCallback);context.stroke();context.closePath();context.beginPath();context.lineWidth=2;context.strokeStyle='rgba(0, 0, 192, 0.8)';aggregateAndCall(sizes,drawBarCallback);context.stroke();context.closePath();if(gridValue){const label=Number.bytesToString(gridValue);const labelPadding=4;const labelX=0;const labelY=gridY-0.5;const labelWidth=2*labelPadding+context.measureText(label).width;context.beginPath();context.textBaseline='bottom';context.font='10px '+window.getComputedStyle(this.element,null).getPropertyValue('font-family');context.fillStyle='rgba(255, 255, 255, 0.75)';context.fillRect(labelX,labelY-gridLabelHeight,labelWidth,gridLabelHeight);context.fillStyle='rgb(64, 64, 64)';context.fillText(label,labelX+labelPadding,labelY);context.fill();context.closePath();}}
onResize(){this._updateOverviewCanvas=true;this._scheduleUpdate();}
_onWindowChanged(){if(!this._updateGridTimerId)
this._updateGridTimerId=setTimeout(this._updateGrid.bind(this),10);}
_scheduleUpdate(){if(this._updateTimerId)
return;this._updateTimerId=setTimeout(this.update.bind(this),10);}
_updateBoundaries(){this._windowLeft=this._overviewGrid.windowLeft();this._windowRight=this._overviewGrid.windowRight();this._windowWidth=this._windowRight-this._windowLeft;}
update(){this._updateTimerId=null;if(!this.isShowing())
return;this._updateBoundaries();this._overviewCalculator._updateBoundaries(this);this._overviewGrid.updateDividers(this._overviewCalculator);this._drawOverviewCanvas(this._overviewContainer.clientWidth,this._overviewContainer.clientHeight-20);}
_updateGrid(){this._updateGridTimerId=0;this._updateBoundaries();const ids=this._profileSamples.ids;const timestamps=this._profileSamples.timestamps;const sizes=this._profileSamples.sizes;const startTime=timestamps[0];const totalTime=this._profileSamples.totalTime;const timeLeft=startTime+totalTime*this._windowLeft;const timeRight=startTime+totalTime*this._windowRight;let minId=0;let maxId=ids[ids.length-1]+1;let size=0;for(let i=0;i<timestamps.length;++i){if(!timestamps[i])
continue;if(timestamps[i]>timeRight)
break;maxId=ids[i];if(timestamps[i]<timeLeft){minId=ids[i];continue;}
size+=sizes[i];}
this.dispatchEventToListeners(Profiler.HeapTrackingOverviewGrid.IdsRangeChanged,{minId:minId,maxId:maxId,size:size});}};Profiler.HeapTrackingOverviewGrid.IdsRangeChanged=Symbol('IdsRangeChanged');Profiler.HeapTrackingOverviewGrid.SmoothScale=class{constructor(){this._lastUpdate=0;this._currentScale=0.0;}
nextScale(target){target=target||this._currentScale;if(this._currentScale){const now=Date.now();const timeDeltaMs=now-this._lastUpdate;this._lastUpdate=now;const maxChangePerSec=20;const maxChangePerDelta=Math.pow(maxChangePerSec,timeDeltaMs/1000);const scaleChange=target/this._currentScale;this._currentScale*=Number.constrain(scaleChange,1/maxChangePerDelta,maxChangePerDelta);}else{this._currentScale=target;}
return this._currentScale;}};Profiler.HeapTrackingOverviewGrid.OverviewCalculator=class{_updateBoundaries(chart){this._minimumBoundaries=0;this._maximumBoundaries=chart._profileSamples.totalTime;this._xScaleFactor=chart._overviewContainer.clientWidth/this._maximumBoundaries;}
computePosition(time){return(time-this._minimumBoundaries)*this._xScaleFactor;}
formatValue(value,precision){return Number.secondsToString(value/1000,!!precision);}
maximumBoundary(){return this._maximumBoundaries;}
minimumBoundary(){return this._minimumBoundaries;}
zeroTime(){return this._minimumBoundaries;}
boundarySpan(){return this._maximumBoundaries-this._minimumBoundaries;}};Profiler.HeapSnapshotStatisticsView=class extends UI.VBox{constructor(){super();this.element.classList.add('heap-snapshot-statistics-view');this._pieChart=new PerfUI.PieChart(150,Profiler.HeapSnapshotStatisticsView._valueFormatter,true);this._pieChart.element.classList.add('heap-snapshot-stats-pie-chart');this.element.appendChild(this._pieChart.element);this._labels=this.element.createChild('div','heap-snapshot-stats-legend');}
static _valueFormatter(value){return Common.UIString('%s KB',Number.withThousandsSeparator(Math.round(value/1024)));}
setTotal(value){this._pieChart.setTotal(value);}
addRecord(value,name,color){if(color)
this._pieChart.addSlice(value,color);const node=this._labels.createChild('div');const swatchDiv=node.createChild('div','heap-snapshot-stats-swatch');const nameDiv=node.createChild('div','heap-snapshot-stats-name');const sizeDiv=node.createChild('div','heap-snapshot-stats-size');if(color)
swatchDiv.style.backgroundColor=color;else
swatchDiv.classList.add('heap-snapshot-stats-empty-swatch');nameDiv.textContent=name;sizeDiv.textContent=Profiler.HeapSnapshotStatisticsView._valueFormatter(value);}};Profiler.HeapAllocationStackView=class extends UI.Widget{constructor(heapProfilerModel){super();this._heapProfilerModel=heapProfilerModel;this._linkifier=new Components.Linkifier();}
async setAllocatedObject(snapshot,snapshotNodeIndex){this.clear();const frames=await snapshot.allocationStack(snapshotNodeIndex);if(!frames){const stackDiv=this.element.createChild('div','no-heap-allocation-stack');stackDiv.createTextChild(Common.UIString('Stack was not recorded for this object because it had been allocated before this profile recording started.'));return;}
const stackDiv=this.element.createChild('div','heap-allocation-stack');for(const frame of frames){const frameDiv=stackDiv.createChild('div','stack-frame');const name=frameDiv.createChild('div');name.textContent=UI.beautifyFunctionName(frame.functionName);if(!frame.scriptId)
continue;const urlElement=this._linkifier.linkifyScriptLocation(this._heapProfilerModel?this._heapProfilerModel.target():null,String(frame.scriptId),frame.scriptName,frame.line-1,frame.column-1);frameDiv.appendChild(urlElement);}}
clear(){this.element.removeChildren();this._linkifier.reset();}};;Profiler.HeapProfilerPanel=class extends Profiler.ProfilesPanel{constructor(){const registry=Profiler.ProfileTypeRegistry.instance;const profileTypes=[registry.heapSnapshotProfileType,registry.samplingHeapProfileType,registry.trackingHeapSnapshotProfileType];if(Runtime.experiments.isEnabled('nativeHeapProfiler'))
profileTypes.push(registry.samplingNativeHeapProfileType,registry.samplingNativeHeapSnapshotType);super('heap_profiler',profileTypes,'profiler.heap-toggle-recording');}
appendApplicableItems(event,contextMenu,target){if(!(target instanceof SDK.RemoteObject))
return;if(!this.isShowing())
return;const object=(target);if(!object.objectId)
return;const objectId=(object.objectId);const heapProfiles=Profiler.ProfileTypeRegistry.instance.heapSnapshotProfileType.getProfiles();if(!heapProfiles.length)
return;const heapProfilerModel=object.runtimeModel().heapProfilerModel();if(!heapProfilerModel)
return;function revealInView(viewName){heapProfilerModel.snapshotObjectIdForObjectId(objectId).then(result=>{if(this.isShowing()&&result)
this.showObject(result,viewName);});}
contextMenu.revealSection().appendItem(Common.UIString('Reveal in Summary view'),revealInView.bind(this,'Summary'));}
handleAction(context,actionId){const panel=UI.context.flavor(Profiler.HeapProfilerPanel);console.assert(panel&&panel instanceof Profiler.HeapProfilerPanel);panel.toggleRecord();return true;}
wasShown(){UI.context.setFlavor(Profiler.HeapProfilerPanel,this);}
willHide(){UI.context.setFlavor(Profiler.HeapProfilerPanel,null);}
showObject(snapshotObjectId,perspectiveName){const registry=Profiler.ProfileTypeRegistry.instance;const heapProfiles=registry.heapSnapshotProfileType.getProfiles();for(let i=0;i<heapProfiles.length;i++){const profile=heapProfiles[i];if(profile.maxJSObjectId>=snapshotObjectId){this.showProfile(profile);const view=this.viewForProfile(profile);view.selectLiveObject(perspectiveName,snapshotObjectId);break;}}}};;Profiler.ProfileLauncherView=class extends UI.VBox{constructor(profilesPanel){super();this._panel=profilesPanel;this.element.classList.add('profile-launcher-view','panel-enabler-view');this._contentElement=this.element.createChild('div','profile-launcher-view-content');this._innerContentElement=this._contentElement.createChild('div');const controlDiv=this._contentElement.createChild('div','hbox profile-launcher-control');const targetDiv=controlDiv.createChild('div','hbox profile-launcher-target');targetDiv.createChild('div').textContent=Common.UIString('Target:');const targetsSelect=targetDiv.createChild('select','chrome-select');new Profiler.TargetsComboBoxController(targetsSelect,targetDiv);this._controlButton=UI.createTextButton('',this._controlButtonClicked.bind(this),'profile-launcher-button',true);this._contentElement.appendChild(this._controlButton);this._recordButtonEnabled=true;this._loadButton=UI.createTextButton(Common.UIString('Load'),this._loadButtonClicked.bind(this),'profile-launcher-button');this._contentElement.appendChild(this._loadButton);this._selectedProfileTypeSetting=Common.settings.createSetting('selectedProfileType','CPU');this._header=this._innerContentElement.createChild('h1');this._profileTypeSelectorForm=this._innerContentElement.createChild('form');this._innerContentElement.createChild('div','flexible-space');this._typeIdToOptionElement=new Map();}
_loadButtonClicked(){this._panel.showLoadFromFileDialog();}
_updateControls(){if(this._isEnabled&&this._recordButtonEnabled)
this._controlButton.removeAttribute('disabled');else
this._controlButton.setAttribute('disabled','');this._controlButton.title=this._recordButtonEnabled?'':UI.anotherProfilerActiveLabel();if(this._isInstantProfile){this._controlButton.classList.remove('running');this._controlButton.classList.add('primary-button');this._controlButton.textContent=Common.UIString('Take snapshot');}else if(this._isProfiling){this._controlButton.classList.add('running');this._controlButton.classList.remove('primary-button');this._controlButton.textContent=Common.UIString('Stop');}else{this._controlButton.classList.remove('running');this._controlButton.classList.add('primary-button');this._controlButton.textContent=Common.UIString('Start');}
for(const item of this._typeIdToOptionElement.values())
item.disabled=!!this._isProfiling;}
profileStarted(){this._isProfiling=true;this._updateControls();}
profileFinished(){this._isProfiling=false;this._updateControls();}
updateProfileType(profileType,recordButtonEnabled){this._isInstantProfile=profileType.isInstantProfile();this._recordButtonEnabled=recordButtonEnabled;this._isEnabled=profileType.isEnabled();this._updateControls();}
addProfileType(profileType){const labelElement=UI.createRadioLabel('profile-type',profileType.name);this._profileTypeSelectorForm.appendChild(labelElement);const optionElement=labelElement.radioElement;this._typeIdToOptionElement.set(profileType.id,optionElement);optionElement._profileType=profileType;optionElement.style.hidden=true;optionElement.addEventListener('change',this._profileTypeChanged.bind(this,profileType),false);const descriptionElement=this._profileTypeSelectorForm.createChild('p');descriptionElement.textContent=profileType.description;const decorationElement=profileType.decorationElement();if(decorationElement)
labelElement.appendChild(decorationElement);if(this._typeIdToOptionElement.size>1)
this._header.textContent=Common.UIString('Select profiling type');else
this._header.textContent=profileType.name;}
restoreSelectedProfileType(){let typeId=this._selectedProfileTypeSetting.get();if(!this._typeIdToOptionElement.has(typeId))
typeId=this._typeIdToOptionElement.keys().next().value;this._typeIdToOptionElement.get(typeId).checked=true;const type=this._typeIdToOptionElement.get(typeId)._profileType;this.dispatchEventToListeners(Profiler.ProfileLauncherView.Events.ProfileTypeSelected,type);}
_controlButtonClicked(){this._panel.toggleRecord();}
_profileTypeChanged(profileType){this.dispatchEventToListeners(Profiler.ProfileLauncherView.Events.ProfileTypeSelected,profileType);this._isInstantProfile=profileType.isInstantProfile();this._isEnabled=profileType.isEnabled();this._updateControls();this._selectedProfileTypeSetting.set(profileType.id);}};Profiler.ProfileLauncherView.Events={ProfileTypeSelected:Symbol('ProfileTypeSelected')};;Profiler.ProfileTypeRegistry=class{constructor(){this.cpuProfileType=new Profiler.CPUProfileType();this.heapSnapshotProfileType=new Profiler.HeapSnapshotProfileType();this.samplingHeapProfileType=new Profiler.SamplingHeapProfileType();this.samplingNativeHeapProfileType=new Profiler.SamplingNativeHeapProfileType();this.samplingNativeHeapSnapshotType=new Profiler.SamplingNativeHeapSnapshotType();this.trackingHeapSnapshotProfileType=new Profiler.TrackingHeapSnapshotProfileType();}};Profiler.ProfileTypeRegistry.instance=new Profiler.ProfileTypeRegistry();;Profiler.TargetsComboBoxController=class{constructor(selectElement,elementToHide){elementToHide.classList.add('hidden');selectElement.addEventListener('change',this._onComboBoxSelectionChange.bind(this),false);this._selectElement=selectElement;this._elementToHide=elementToHide;this._targetToOption=new Map();UI.context.addFlavorChangeListener(SDK.Target,this._targetChangedExternally,this);SDK.targetManager.addEventListener(SDK.TargetManager.Events.NameChanged,this._targetNameChanged,this);SDK.targetManager.observeTargets(this,SDK.Target.Capability.JS);}
targetAdded(target){const option=this._selectElement.createChild('option');option.text=target.name();option.__target=target;this._targetToOption.set(target,option);if(UI.context.flavor(SDK.Target)===target){this._selectElement.selectedIndex=Array.prototype.indexOf.call((this._selectElement),option);UI.context.setFlavor(SDK.HeapProfilerModel,target.model(SDK.HeapProfilerModel));UI.context.setFlavor(SDK.CPUProfilerModel,target.model(SDK.CPUProfilerModel));}
this._updateVisibility();}
targetRemoved(target){const option=this._targetToOption.remove(target);this._selectElement.removeChild(option);this._updateVisibility();}
_targetNameChanged(event){const target=(event.data);const option=this._targetToOption.get(target);option.text=target.name();}
_onComboBoxSelectionChange(){const selectedOption=this._selectElement[this._selectElement.selectedIndex];if(!selectedOption)
return;UI.context.setFlavor(SDK.Target,selectedOption.__target);UI.context.setFlavor(SDK.HeapProfilerModel,selectedOption.__target.model(SDK.HeapProfilerModel));UI.context.setFlavor(SDK.CPUProfilerModel,selectedOption.__target.model(SDK.CPUProfilerModel));}
_updateVisibility(){const hidden=this._selectElement.childElementCount===1;this._elementToHide.classList.toggle('hidden',hidden);}
_targetChangedExternally(event){const target=(event.data);if(!target)
return;const option=this._targetToOption.get(target);if(!option)
return;this._select(option);UI.context.setFlavor(SDK.HeapProfilerModel,target.model(SDK.HeapProfilerModel));UI.context.setFlavor(SDK.CPUProfilerModel,target.model(SDK.CPUProfilerModel));}
_select(option){this._selectElement.selectedIndex=Array.prototype.indexOf.call((this._selectElement),option);}};;Runtime.cachedResources["profiler/heapProfiler.css"]="/*\n * Copyright (C) 2009 Google Inc. All rights reserved.\n * Copyright (C) 2010 Apple Inc. All rights reserved.\n *\n * Redistribution and use in source and binary forms, with or without\n * modification, are permitted provided that the following conditions are\n * met:\n *\n *     * Redistributions of source code must retain the above copyright\n * notice, this list of conditions and the following disclaimer.\n *     * Redistributions in binary form must reproduce the above\n * copyright notice, this list of conditions and the following disclaimer\n * in the documentation and/or other materials provided with the\n * distribution.\n *     * Neither the name of Google Inc. nor the names of its\n * contributors may be used to endorse or promote products derived from\n * this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS\n * \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT\n * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR\n * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT\n * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,\n * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT\n * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,\n * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY\n * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE\n * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n\n.heap-snapshot-view {\n    overflow: hidden;\n}\n\n.heap-snapshot-view .data-grid {\n    border: none;\n}\n\n.heap-snapshot-view .data-grid tr:empty {\n    height: 16px;\n    visibility: hidden;\n}\n\n.heap-snapshot-view .data-grid span.percent-column {\n    width: 35px !important;\n}\n\n.heap-snapshot-view .object-value-object,\n.object-value-node {\n    display: inline;\n    position: static;\n}\n\n.detached-dom-tree-node {\n    background-color: #FF9999;\n}\n\n.heap-snapshot-view .object-value-string {\n    white-space: nowrap;\n}\n\n.heap-snapshot-view tr:not(.selected) .object-value-id {\n    color: grey;\n}\n\n.heap-snapshot-view .data-grid {\n    flex: auto;\n}\n\n.heap-snapshot-view .heap-tracking-overview {\n    flex: 0 0 80px;\n    height: 80px;\n}\n\n.heap-snapshot-view .retaining-paths-view {\n    overflow: hidden;\n}\n\n.heap-snapshot-view .heap-snapshot-view-resizer {\n    background-image: url(Images/toolbarResizerVertical.png);\n    background-color: #eee;\n    border-bottom: 1px solid rgb(179, 179, 179);\n    background-repeat: no-repeat;\n    background-position: right center, center;\n    flex: 0 0 21px;\n}\n\n.heap-snapshot-view .heap-snapshot-view-resizer .title > span {\n    display: inline-block;\n    padding-top: 3px;\n    vertical-align: middle;\n    margin-left: 4px;\n    margin-right: 8px;\n}\n\n.heap-snapshot-view .heap-snapshot-view-resizer * {\n    pointer-events: none;\n}\n\n.heap-snapshot-view tr:not(.selected) td.object-column span.highlight {\n    background-color: rgb(255, 255, 200);\n}\n\n.heap-snapshot-view td.object-column span.grayed {\n    color: gray;\n}\n\n.cycled-ancessor-node {\n    opacity: 0.6;\n}\n\n#heap-recording-view .heap-snapshot-view {\n    top: 80px;\n}\n\n.heap-overview-container {\n    overflow: hidden;\n    position: absolute;\n    top: 0;\n    width: 100%;\n    height: 80px;\n}\n\n#heap-recording-overview-grid .resources-dividers-label-bar {\n    pointer-events: auto;\n}\n\n#heap-recording-overview-container {\n    border-bottom: 1px solid rgba(0, 0, 0, 0.3);\n}\n\n.heap-recording-overview-canvas {\n    position: absolute;\n    top: 20px;\n    left: 0;\n    right: 0;\n    bottom: 0;\n}\n\n.heap-snapshot-statistics-view {\n    overflow: auto;\n}\n\n.heap-snapshot-stats-pie-chart {\n    margin: 12px 30px;\n    flex-shrink: 0;\n}\n\n.heap-snapshot-stats-legend {\n    margin-left: 24px;\n    flex-shrink: 0;\n}\n\n.heap-snapshot-stats-legend > div {\n    margin-top: 1px;\n    width: 170px;\n}\n\n.heap-snapshot-stats-swatch {\n    display: inline-block;\n    width: 10px;\n    height: 10px;\n    border: 1px solid rgba(100, 100, 100, 0.3);\n}\n\n.heap-snapshot-stats-swatch.heap-snapshot-stats-empty-swatch {\n    border: none;\n}\n\n.heap-snapshot-stats-name,\n.heap-snapshot-stats-size {\n    display: inline-block;\n    margin-left: 6px;\n}\n\n.heap-snapshot-stats-size {\n    float: right;\n    text-align: right;\n}\n\n.heap-allocation-stack .stack-frame {\n    display: flex;\n    justify-content: space-between;\n    border-bottom: 1px solid rgb(240, 240, 240);\n    padding: 2px;\n}\n\n.heap-allocation-stack .stack-frame .devtools-link {\n    color: rgb(33%, 33%, 33%);\n}\n\n.no-heap-allocation-stack {\n    padding: 5px;\n}\n\n/*# sourceURL=profiler/heapProfiler.css */";Runtime.cachedResources["profiler/profilesPanel.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 derived\n *     from this software without specific prior written permission.\n *\n * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS \"AS IS\" AND ANY\n * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED\n * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE\n * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY\n * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES\n * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;\n * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND\n * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT\n * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF\n * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\n */\n\n/* Profiler Style */\n\n#profile-views {\n    flex: auto;\n    position: relative;\n}\n\n.profile-view .data-grid table.data {\n    background: white;\n}\n\n.profile-view .data-grid tr:not(.selected) .highlight {\n    background-color: rgb(255, 230, 179);\n}\n\n.profile-view .data-grid tr:hover td:not(.bottom-filler-td) {\n    background-color: rgba(0, 0, 0, 0.1);\n}\n\n.profile-view .data-grid td.numeric-column {\n    text-align: right;\n}\n\n.profile-view .data-grid div.profile-multiple-values {\n    float: right;\n}\n\n.profile-view .data-grid span.percent-column {\n    color: #999;\n    width: 50px;\n    display: inline-block;\n}\n\n.profile-view .data-grid tr.selected span {\n    color: inherit;\n}\n\n.profiles-toolbar {\n    background-color: #f3f3f3;\n    border-bottom: 1px solid #ccc;\n    flex-shrink: 0;\n}\n\n.profiles-tree-sidebar {\n    flex: auto;\n    overflow: hidden;\n}\n\n.profiles-sidebar-tree-box {\n    overflow-y: auto;\n}\n\n.profile-view {\n    display: flex;\n    overflow: hidden;\n}\n\n.profile-view .data-grid {\n    border: none;\n    flex: auto;\n}\n\n.profile-view .data-grid th.self-column,\n.profile-view .data-grid th.total-column {\n    text-align: center;\n}\n\n.profile-node-file {\n    float: right;\n    color: gray;\n}\n\n.profile-warn-marker {\n    vertical-align: -1px;\n    margin-right: 2px;\n}\n\n.data-grid tr.selected .profile-node-file {\n    color: rgb(33%, 33%, 33%);\n}\n\n.data-grid:focus tr.selected .profile-node-file {\n    color: white;\n}\n\n.profile-launcher-view-content {\n    padding: 0 16px;\n    text-align: left;\n}\n\n.profile-launcher-control {\n    align-items: center;\n    flex-wrap: wrap;\n}\n\n.profile-launcher-control > * {\n    margin-top: 10px;\n    margin-right: 6px;\n}\n\n.profile-launcher-control button {\n    min-width: 110px;\n}\n\n.profile-launcher-target {\n    align-items: baseline;\n}\n\n.profile-launcher-target > * {\n    flex: 0 0 auto;\n    margin-right: 8px;\n}\n\n.profile-launcher-view-content h1 {\n    padding: 15px 0 10px;\n}\n\n.panel-enabler-view.profile-launcher-view form {\n    padding: 0;\n    font-size: 13px;\n    width: 100%;\n}\n\n.panel-enabler-view.profile-launcher-view label {\n    margin: 0;\n}\n\n.profile-launcher-view-content p {\n    color: grey;\n    margin-top: 1px;\n    margin-left: 22px;\n}\n\n.profile-launcher-view-content button.running {\n    color: hsl(0, 100%, 58%);\n}\n\n.profile-launcher-view-content button.running:hover {\n    color: hsl(0, 100%, 42%);\n}\n\nbody.inactive .profile-launcher-view-content button.running:not(.toolbar-item) {\n    color: rgb(220, 130, 130);\n}\n\n.highlighted-row {\n    -webkit-animation: row_highlight 2s 0s;\n}\n\n@-webkit-keyframes row_highlight {\n    from {background-color: rgba(255, 255, 120, 1); }\n    to { background-color: rgba(255, 255, 120, 0); }\n}\n\n.profile-canvas-decoration span[is=dt-icon-label] {\n    margin-right: 4px;\n}\n\n.profile-canvas-decoration {\n    color: red;\n    margin: -14px 0 13px 22px;\n    padding-left: 14px;\n}\n\n.profile-canvas-decoration button {\n    margin: 0 0 0 10px !important;\n}\n\n.profile-launcher-button {\n    margin-top: 10px;\n    margin-right: 8px;\n    min-width: 110px;\n}\n\n.cpu-profile-flame-chart-overview-container {\n    overflow: hidden;\n    position: absolute;\n    top: 0;\n    width: 100%;\n    height: 80px;\n}\n\n#cpu-profile-flame-chart-overview-container {\n    border-bottom: 1px solid rgba(0, 0, 0, 0.3);\n}\n\n.cpu-profile-flame-chart-overview-canvas {\n    position: absolute;\n    top: 20px;\n    left: 0;\n    right: 0;\n    bottom: 0;\n}\n\n#cpu-profile-flame-chart-overview-grid .resources-dividers-label-bar {\n    pointer-events: auto;\n}\n\n.cpu-profile-flame-chart-overview-pane {\n    flex: 0 0 80px !important;\n}\n\n/*# sourceURL=profiler/profilesPanel.css */";Runtime.cachedResources["profiler/profilesSidebarTree.css"]="/*\n * Copyright 2016 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/* Tree outline overrides */\n\n:host {\n    padding: 0;\n}\n\nol.tree-outline {\n    overflow: auto;\n    flex: auto;\n    padding: 0;\n    margin: 0;\n}\n\n.tree-outline li {\n    height: 36px;\n    padding-right: 5px;\n    margin-top: 1px;\n    line-height: 34px;\n    border-top: 1px solid transparent;\n}\n\n.tree-outline li:not(.parent)::before {\n    display: none;\n}\n\n:host-context(.some-expandable) .tree-outline li:not(.parent) {\n    margin-left: 10px;\n}\n\n.tree-outline li.profiles-tree-section {\n    height: 18px;\n    padding: 0 10px;\n    white-space: nowrap;\n    margin-top: 1px;\n    color: rgb(92, 110, 129);\n    text-shadow: rgba(255, 255, 255, 0.75) 0 1px 0;\n    line-height: 18px;\n}\n\n.tree-outline li.profiles-tree-section::before {\n    display: none;\n}\n\n.tree-outline ol {\n    overflow: hidden;\n}\n\n/* Generic items styling */\n\n.title-container > .save-link {\n    text-decoration: underline;\n    margin-left: auto;\n    display: none;\n}\n\nli.selected .title-container > .save-link {\n    display: block;\n    cursor: pointer;\n}\n\n.tree-outline > .icon {\n    margin-left: 16px;\n}\n\nli .icon {\n    width: 32px;\n    height: 32px;\n    margin-top: 1px;\n    margin-right: 3px;\n    flex: none;\n}\n\nli.wait .icon {\n    content: none;\n}\n\nli.wait .icon::before {\n    display: block;\n    width: 24px;\n    height: 24px;\n    margin: 4px;\n    border: 3px solid grey;\n    border-radius: 12px;\n    clip: rect(0, 15px, 15px, 0);\n    content: \"\";\n    position: absolute;\n    -webkit-animation: spinner-animation 1s linear infinite;\n    box-sizing: border-box;\n}\n\nli.wait.small .icon::before {\n    width: 14px;\n    height: 14px;\n    margin: 1px;\n    clip: rect(0, 9px, 9px, 0);\n    border-width: 2px;\n}\n\nli.wait.selected .icon::before {\n    border-color: white;\n}\n\n@-webkit-keyframes spinner-animation {\n    from { transform: rotate(0); }\n    to { transform: rotate(360deg); }\n}\n\nli.small {\n    height: 20px;\n}\n\nli.small .icon {\n    width: 16px;\n    height: 16px;\n}\n\nli .titles {\n    display: flex;\n    flex-direction: column;\n    top: 5px;\n    line-height: 12px;\n    padding-bottom: 1px;\n    text-overflow: ellipsis;\n    overflow: hidden;\n    white-space: nowrap;\n    flex: auto;\n}\n\nli .titles > .title-container {\n    display: flex;\n}\n\nli.small .titles {\n    top: 2px;\n    line-height: normal;\n}\n\nli:not(.small) .title::after {\n    content: \"\\A\";\n    white-space: pre;\n}\n\nli .subtitle {\n    font-size: 80%;\n}\n\nli.small .subtitle {\n    display: none;\n}\n\n/* Heap profiles */\n\n.heap-snapshot-sidebar-tree-item .icon {\n    content: url(Images/profileIcon.png);\n}\n\n.heap-snapshot-sidebar-tree-item.small .icon {\n    content: url(Images/profileSmallIcon.png);\n}\n\n/* Launcher */\n\n.profile-launcher-view-tree-item {\n    margin-left: 0 !important;\n}\n\n.profile-launcher-view-tree-item > .icon {\n    width: 8px !important;\n    visibility: hidden;\n}\n\n/* CPU profiles */\n\n.profile-sidebar-tree-item .icon {\n    content: url(Images/profileIcon.png);\n}\n\n.profile-sidebar-tree-item.small .icon {\n    content: url(Images/profileSmallIcon.png);\n}\n\n.profile-group-sidebar-tree-item .icon {\n    content: url(Images/profileGroupIcon.png);\n}\n\n/*# sourceURL=profiler/profilesSidebarTree.css */";