// Copyright 2015 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. /* eslint-disable @devtools/no-imperative-dom-api */ import '../../ui/legacy/legacy.js'; import * as Common from '../../core/common/common.js'; import * as i18n from '../../core/i18n/i18n.js'; import * as Platform from '../../core/platform/platform.js'; import * as Trace from '../../models/trace/trace.js'; import * as Tracing from '../../services/tracing/tracing.js'; import * as Buttons from '../../ui/components/buttons/buttons.js'; import * as DataGrid from '../../ui/legacy/components/data_grid/data_grid.js'; import * as Components from '../../ui/legacy/components/utils/utils.js'; import * as UI from '../../ui/legacy/legacy.js'; import * as ThemeSupport from '../../ui/legacy/theme_support/theme_support.js'; import * as VisualLogging from '../../ui/visual_logging/visual_logging.js'; import {ActiveFilters} from './ActiveFilters.js'; import * as Extensions from './extensions/extensions.js'; import {targetForEvent} from './TargetForEvent.js'; import {TimelineRegExp} from './TimelineFilters.js'; import {rangeForSelection, type TimelineSelection} from './TimelineSelection.js'; import timelineTreeViewStyles from './timelineTreeView.css.js'; import {TimelineUIUtils} from './TimelineUIUtils.js'; const UIStrings = { /** * @description Text for the performance of something */ performance: 'Performance', /** * @description Time of a single activity, as opposed to the total time */ selfTime: 'Self time', /** * @description Text for the total time of something */ totalTime: 'Total time', /** * @description Text in Timeline Tree View of the Performance panel */ activity: 'Activity', /** * @description Text of a DOM element in Timeline Tree View of the Performance panel */ selectItemForDetails: 'Select item for details.', /** * @description Number followed by percent sign * @example {20} PH1 */ percentPlaceholder: '{PH1} %', /** * @description Text in Timeline Tree View of the Performance panel */ chromeExtensionsOverhead: '[`Chrome` extensions overhead]', /** * @description Text in Timeline Tree View of the Performance panel. The text is presented * when developers investigate the performance of a page. 'V8 Runtime' labels the time * spent in (i.e. runtime) the V8 JavaScript engine. */ vRuntime: '[`V8` Runtime]', /** * @description Text in Timeline Tree View of the Performance panel */ unattributed: '[unattributed]', /** * @description Text that refers to one or a group of webpages */ page: 'Page', /** * @description Text in Timeline Tree View of the Performance panel */ noGrouping: 'No grouping', /** * @description Text in Timeline Tree View of the Performance panel */ groupByActivity: 'Group by activity', /** * @description Text in Timeline Tree View of the Performance panel */ groupByCategory: 'Group by category', /** * @description Text in Timeline Tree View of the Performance panel */ groupByDomain: 'Group by domain', /** * @description Text in Timeline Tree View of the Performance panel */ groupByFrame: 'Group by frame', /** * @description Text in Timeline Tree View of the Performance panel */ groupBySubdomain: 'Group by subdomain', /** * @description Text in Timeline Tree View of the Performance panel */ groupByUrl: 'Group by URL', /** * @description Text in Timeline Tree View of the Performance panel */ groupByThirdParties: 'Group by Third Parties', /** * @description Aria-label for grouping combo box in Timeline Details View */ groupBy: 'Group by', /** * @description Title of the sidebar pane in the Performance panel which shows the stack (call * stack) where the program spent the most time (out of all the call stacks) while executing. */ heaviestStack: 'Heaviest stack', /** * @description Tooltip for the the Heaviest stack sidebar toggle in the Timeline Tree View of the * Performance panel. Command to open/show the sidebar. */ showHeaviestStack: 'Show heaviest stack', /** * @description Tooltip for the the Heaviest stack sidebar toggle in the Timeline Tree View of the * Performance panel. Command to close/hide the sidebar. */ hideHeaviestStack: 'Hide heaviest stack', /** * @description Screen reader announcement when the heaviest stack sidebar is shown in the Performance panel. */ heaviestStackShown: 'Heaviest stack sidebar shown', /** * @description Screen reader announcement when the heaviest stack sidebar is hidden in the Performance panel. */ heaviestStackHidden: 'Heaviest stack sidebar hidden', /** * @description Data grid name for Timeline Stack data grids */ timelineStack: 'Timeline stack', /** * /*@description Text to search by matching case of the input button */ matchCase: 'Match case', /** * @description Text for searching with regular expression button */ useRegularExpression: 'Use regular expression', /** * @description Text for Match whole word button */ matchWholeWord: 'Match whole word', /** * @description Text for bottom up tree button */ bottomUp: 'Bottom-up', /** * @description Text referring to view bottom up tree */ viewBottomUp: 'View Bottom-up', /** * @description Text referring to a 1st party entity */ firstParty: '1st party', /** * @description Text referring to an entity that is an extension */ extension: 'Extension', } as const; const str_ = i18n.i18n.registerUIStrings('panels/timeline/TimelineTreeView.ts', UIStrings); const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_); /** * For an overview, read: https://chromium.googlesource.com/devtools/devtools-frontend/+/refs/heads/main/front_end/panels/timeline/README.md#timeline-tree-views */ export class TimelineTreeView extends Common.ObjectWrapper.eventMixin(UI.Widget.VBox) implements UI.SearchableView.Searchable { /** This is sorted by ts. */ #selectedEvents: Trace.Types.Events.Event[]|null; private searchResults: Trace.Extras.TraceTree.Node[]; linkifier!: Components.Linkifier.Linkifier; dataGrid!: DataGrid.SortableDataGrid.SortableDataGrid; private lastHoveredProfileNode!: Trace.Extras.TraceTree.Node|null; private textFilterInternal!: TimelineRegExp; private taskFilter!: Trace.Extras.TraceFilter.ExclusiveNameFilter; protected startTimeInternal!: Trace.Types.Timing.Milli; protected endTimeInternal!: Trace.Types.Timing.Milli; splitWidget!: UI.SplitWidget.SplitWidget; detailsView!: UI.Widget.Widget; private searchableView!: UI.SearchableView.SearchableView; // TODO(crbug.com/1172300) Ignored during the jsdoc to ts migration // eslint-disable-next-line @typescript-eslint/no-explicit-any private currentThreadSetting?: Common.Settings.Setting; private lastSelectedNodeInternal?: Trace.Extras.TraceTree.Node|null; private root?: Trace.Extras.TraceTree.Node; private currentResult?: number; textFilterUI?: UI.Toolbar.ToolbarInput; private caseSensitiveButton: UI.Toolbar.ToolbarToggle|undefined; private regexButton: UI.Toolbar.ToolbarToggle|undefined; private matchWholeWord: UI.Toolbar.ToolbarToggle|undefined; #parsedTrace: Trace.TraceModel.ParsedTrace|null = null; #entityMapper: Trace.EntityMapper.EntityMapper|null = null; #lastHighlightedEvent: HTMLElement|null = null; eventToTreeNode = new WeakMap(); // Compact mode is used to render the tree view in a more compact UI, // suitable for AI assistance widgets. It removes sidebars and toolbars. #compactMode = false; #maxLinkLength: number|undefined = undefined; #maxRows: number|undefined = undefined; /** * Determines if the first child in the data grid will be selected * by default when refreshTree() gets called. */ protected autoSelectFirstChildOnRefresh = true; constructor(element?: HTMLElement) { super(element); this.#selectedEvents = null; this.element.classList.add('timeline-tree-view'); this.registerRequiredCSS(timelineTreeViewStyles); this.searchResults = []; } get selectedEvents(): Trace.Types.Events.Event[] { return this.#selectedEvents || []; } set selectedEvents(selectedEvents: Trace.Types.Events.Event[]|null) { this.#selectedEvents = selectedEvents; this.refreshTree(); } set parsedTrace(parsedTrace: Trace.TraceModel.ParsedTrace|null) { this.#parsedTrace = parsedTrace; this.refreshTree(); } get parsedTrace(): Trace.TraceModel.ParsedTrace|null { return this.#parsedTrace; } set startTime(startTime: Trace.Types.Timing.Milli) { if (this.startTimeInternal === startTime) { return; } this.startTimeInternal = startTime; this.refreshTree(); } get startTime(): Trace.Types.Timing.Milli { return this.startTimeInternal; } set endTime(endTime: Trace.Types.Timing.Milli) { if (this.endTimeInternal === endTime) { return; } this.endTimeInternal = endTime; this.refreshTree(); } get endTime(): Trace.Types.Timing.Milli { return this.endTimeInternal; } get compactMode(): boolean { return this.#compactMode; } set compactMode(v: boolean) { if (this.#compactMode === v) { return; } this.#compactMode = v; if (this.dataGrid) { this.#applyCompactMode(); } } get maxLinkLength(): number|undefined { return this.#maxLinkLength; } set maxLinkLength(maxLinkLength: number|undefined) { this.#maxLinkLength = maxLinkLength; } get maxRows(): number|undefined { return this.#maxRows; } set maxRows(maxRows: number|undefined) { if (this.#maxRows === maxRows) { return; } this.#maxRows = maxRows; this.refreshTree(); } #applyCompactMode(): void { if (this.#compactMode && this.dataGrid) { this.splitWidget?.detach(); this.dataGrid.asWidget().detach(); this.dataGrid.asWidget().show(this.element); this.dataGrid.renderInline(); } } #eventNameForSorting(event: Trace.Types.Events.Event): string { const name = TimelineUIUtils.eventTitle(event) || event.name; if (!this.parsedTrace) { return name; } return name + ':@' + Trace.Handlers.Helpers.getNonResolvedURL(event, this.parsedTrace.data); } setSearchableView(searchableView: UI.SearchableView.SearchableView): void { this.searchableView = searchableView; } set model(model: { selectedEvents: Trace.Types.Events.Event[]|null, parsedTrace: Trace.TraceModel.ParsedTrace|null, entityMapper: Trace.EntityMapper.EntityMapper|null, }) { this.#parsedTrace = model.parsedTrace; this.#selectedEvents = model.selectedEvents; this.#entityMapper = model.entityMapper; this.refreshTree(); } entityMapper(): Trace.EntityMapper.EntityMapper|null { return this.#entityMapper; } isThirdPartyTreeView(): boolean { return false; } nodeIsFirstParty(_node: Trace.Extras.TraceTree.Node): boolean { return false; } nodeIsExtension(_node: Trace.Extras.TraceTree.Node): boolean { return false; } init(): void { this.linkifier = new Components.Linkifier.Linkifier(); this.taskFilter = new Trace.Extras.TraceFilter.ExclusiveNameFilter([ Trace.Types.Events.Name.RUN_TASK, ]); this.textFilterInternal = new TimelineRegExp(); this.currentThreadSetting = Common.Settings.Settings.instance().createSetting('timeline-tree-current-thread', 0); this.currentThreadSetting.addChangeListener(() => this.refreshTree()); const columns: DataGrid.DataGrid.ColumnDescriptor[] = []; this.populateColumns(columns); this.dataGrid = new DataGrid.SortableDataGrid.SortableDataGrid({ displayName: i18nString(UIStrings.performance), columns, }); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SORTING_CHANGED, this.sortingChanged, this); this.dataGrid.element.addEventListener('mousemove', this.onMouseMove.bind(this), true); this.dataGrid.element.addEventListener( 'mouseleave', () => this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_HOVERED, {node: null})); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.OPENED_NODE, this.onGridNodeOpened, this); this.dataGrid.setResizeMethod(DataGrid.DataGrid.ResizeMethod.LAST); this.dataGrid.setRowContextMenuCallback(this.onContextMenu.bind(this)); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SELECTED_NODE, this.updateDetailsForSelection, this); if (this.#compactMode) { this.#applyCompactMode(); return; } this.splitWidget = new UI.SplitWidget.SplitWidget(true, true, 'timeline-tree-view-details-split-widget'); const mainView = new UI.Widget.VBox(); const toolbar = mainView.element.createChild('devtools-toolbar'); toolbar.setAttribute('jslog', `${VisualLogging.toolbar()}`); toolbar.wrappable = true; this.populateToolbar(toolbar); this.dataGrid.asWidget().show(mainView.element); this.detailsView = new UI.Widget.VBox(); this.detailsView.element.classList.add('timeline-details-view', 'timeline-details-view-body'); this.splitWidget.setMainWidget(mainView); this.splitWidget.setSidebarWidget(this.detailsView); this.splitWidget.hideSidebar(); this.splitWidget.show(this.element); this.splitWidget.addEventListener(UI.SplitWidget.Events.SHOW_MODE_CHANGED, this.onShowModeChanged, this); } override wasShown(): void { super.wasShown(); this.refreshTree(); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SELECTED_NODE, this.#onDataGridSelectionChange, this); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.DESELECTED_NODE, this.#onDataGridDeselection, this); } lastSelectedNode(): Trace.Extras.TraceTree.Node|null|undefined { return this.lastSelectedNodeInternal; } set activeSelection(selection: TimelineSelection) { const timings = rangeForSelection(selection); const timingMilli = Trace.Helpers.Timing.traceWindowMicroSecondsToMilliSeconds(timings); this.setRange(timingMilli.min, timingMilli.max); } setRange(startTime: Trace.Types.Timing.Milli, endTime: Trace.Types.Timing.Milli): void { this.startTime = startTime; this.endTime = endTime; this.refreshTree(); } highlightEventInTree(event: Trace.Types.Events.Event|null): void { // Potentially clear last highlight const dataGridElem = event && this.dataGridElementForEvent(event); if (!event || (dataGridElem && dataGridElem !== this.#lastHighlightedEvent)) { this.#lastHighlightedEvent?.style.setProperty('background-color', ''); } if (event) { const rowElem = dataGridElem; if (rowElem) { this.#lastHighlightedEvent = rowElem; this.#lastHighlightedEvent.style.backgroundColor = 'var(--sys-color-yellow-container)'; } } } filters(): Trace.Extras.TraceFilter.TraceFilter[] { return [this.taskFilter, this.textFilterInternal, ...(ActiveFilters.instance().activeFilters())]; } filtersWithoutTextFilter(): Trace.Extras.TraceFilter.TraceFilter[] { return [this.taskFilter, ...(ActiveFilters.instance().activeFilters())]; } textFilter(): TimelineRegExp { return this.textFilterInternal; } exposePercentages(): boolean { return false; } populateToolbar(toolbar: UI.Toolbar.Toolbar): void { this.caseSensitiveButton = new UI.Toolbar.ToolbarToggle(i18nString(UIStrings.matchCase), 'match-case', undefined, 'match-case'); this.caseSensitiveButton.addEventListener(UI.Toolbar.ToolbarButton.Events.CLICK, () => { this.#filterChanged(); }, this); toolbar.appendToolbarItem(this.caseSensitiveButton); this.regexButton = new UI.Toolbar.ToolbarToggle( i18nString(UIStrings.useRegularExpression), 'regular-expression', undefined, 'regular-expression'); this.regexButton.addEventListener(UI.Toolbar.ToolbarButton.Events.CLICK, () => { this.#filterChanged(); }, this); toolbar.appendToolbarItem(this.regexButton); this.matchWholeWord = new UI.Toolbar.ToolbarToggle( i18nString(UIStrings.matchWholeWord), 'match-whole-word', undefined, 'match-whole-word'); this.matchWholeWord.addEventListener(UI.Toolbar.ToolbarButton.Events.CLICK, () => { this.#filterChanged(); }, this); toolbar.appendToolbarItem(this.matchWholeWord); const textFilterUI = new UI.Toolbar.ToolbarFilter(); this.textFilterUI = textFilterUI; textFilterUI.addEventListener(UI.Toolbar.ToolbarInput.Event.TEXT_CHANGED, this.#filterChanged, this); toolbar.appendToolbarItem(textFilterUI); } appendContextMenuItems(_contextMenu: UI.ContextMenu.ContextMenu, _node: Trace.Extras.TraceTree.Node): void { } // TODO(paulirish): rename profileNode to treeNode selectProfileNode(treeNode: Trace.Extras.TraceTree.Node, suppressSelectedEvent: boolean): void { const pathToRoot: Trace.Extras.TraceTree.Node[] = []; let node: (Trace.Extras.TraceTree.Node|null)|Trace.Extras.TraceTree.Node = treeNode; for (; node; node = node.parent) { pathToRoot.push(node); } for (let i = pathToRoot.length - 1; i > 0; --i) { const gridNode = this.dataGridNodeForTreeNode(pathToRoot[i]); if (gridNode?.dataGrid) { gridNode.expand(); } } const gridNode = this.dataGridNodeForTreeNode(treeNode); if (gridNode?.dataGrid) { gridNode.reveal(); gridNode.select(suppressSelectedEvent); } } /** * Refreshes the tree. By default, it will only do this * if the tree is mounted into the DOM - as in the UI we * have multiple trees and we only want to refresh the * active one. Pass `true` into this function to force a * refresh regardless. */ refreshTree(forceRefresh = false): void { if (!this.element.parentElement && !forceRefresh) { // This function can be called in different views (Bottom-Up and // Call Tree) by the same single event whenever the group-by // dropdown changes value. Thus, we bail out whenever the view is // not visible, which we know if the related element is detached // from the document. return; } this.linkifier.reset(); this.dataGrid.rootNode().removeChildren(); if (!this.#parsedTrace) { this.updateDetailsForSelection(); return; } this.root = this.buildTree(); const children = this.root.children(); let maxSelfTime = 0; let maxTotalTime = 0; const totalUsedTime = this.root.totalTime - this.root.selfTime; for (const child of children.values()) { maxSelfTime = Math.max(maxSelfTime, child.selfTime); maxTotalTime = Math.max(maxTotalTime, child.totalTime); } const gridNodes: GridNode[] = []; for (const child of children.values()) { const gridNode = new TreeGridNode(child, totalUsedTime, maxSelfTime, maxTotalTime, this); for (const e of child.events) { this.eventToTreeNode.set(e, child); } gridNodes.push(gridNode); } const columnId = this.dataGrid.sortColumnId() || 'self'; const sortFunction = this.getSortingFunction(columnId); if (sortFunction) { gridNodes.sort((a, b) => { const res = sortFunction(a, b); return this.dataGrid.isSortOrderAscending() ? res : -res; }); } const countToInsert = this.#maxRows !== undefined ? Math.min(this.#maxRows, gridNodes.length) : gridNodes.length; for (let i = 0; i < countToInsert; i++) { this.dataGrid.insertChild(gridNodes[i]); } this.sortingChanged(); this.updateDetailsForSelection(); if (this.searchableView) { this.searchableView.refreshSearch(); } const rootNode = this.dataGrid.rootNode(); if (this.autoSelectFirstChildOnRefresh && rootNode.children.length > 0) { rootNode.children[0].select(/* supressSelectedEvent */ true); } } buildTree(): Trace.Extras.TraceTree.Node { throw new Error('Not Implemented'); } buildTopDownTree(doNotAggregate: boolean, eventGroupIdCallback: ((arg0: Trace.Types.Events.Event) => string)|null): Trace.Extras.TraceTree.Node { return new Trace.Extras.TraceTree.TopDownRootNode(this.selectedEvents, { filters: this.filters(), startTime: this.startTime, endTime: this.endTime, doNotAggregate, eventGroupIdCallback, }); } populateColumns(columns: DataGrid.DataGrid.ColumnDescriptor[]): void { if (this.compactMode) { columns.push( ({id: 'self', title: i18nString(UIStrings.selfTime), width: '15%', sortable: true} as DataGrid.DataGrid.ColumnDescriptor)); columns.push( ({id: 'total', title: i18nString(UIStrings.totalTime), width: '15%', sortable: true} as DataGrid.DataGrid.ColumnDescriptor)); } else { columns.push( ({id: 'self', title: i18nString(UIStrings.selfTime), width: '120px', fixedWidth: true, sortable: true} as DataGrid.DataGrid.ColumnDescriptor)); columns.push( ({id: 'total', title: i18nString(UIStrings.totalTime), width: '120px', fixedWidth: true, sortable: true} as DataGrid.DataGrid.ColumnDescriptor)); } columns.push( ({id: 'activity', title: i18nString(UIStrings.activity), disclosure: true, sortable: true} as DataGrid.DataGrid.ColumnDescriptor)); } sortingChanged(): void { const columnId = this.dataGrid.sortColumnId(); if (!columnId) { return; } const sortFunction = this.getSortingFunction(columnId); if (sortFunction) { this.dataGrid.sortNodes(sortFunction, !this.dataGrid.isSortOrderAscending()); } } // Gets the sorting function for the tree view nodes. getSortingFunction(columnId: string): ((a: DataGrid.SortableDataGrid.SortableDataGridNode, b: DataGrid.SortableDataGrid.SortableDataGridNode) => number)|null { const compareNameSortFn = (a: DataGrid.SortableDataGrid.SortableDataGridNode, b: DataGrid.SortableDataGrid.SortableDataGridNode): number => { const nodeA = (a as TreeGridNode); const nodeB = (b as TreeGridNode); const eventA = nodeA.profileNode.event; const eventB = nodeB.profileNode.event; if (!eventA || !eventB) { return 0; } const nameA = this.#eventNameForSorting(eventA); const nameB = this.#eventNameForSorting(eventB); return nameA.localeCompare(nameB); }; switch (columnId) { case 'start-time': return compareStartTime; case 'self': return compareSelfTime; case 'total': return compareTotalTime; case 'activity': case 'site': return compareNameSortFn; default: console.assert(false, 'Unknown sort field: ' + columnId); return null; } function compareSelfTime( a: DataGrid.SortableDataGrid.SortableDataGridNode, b: DataGrid.SortableDataGrid.SortableDataGridNode): number { const nodeA = a as TreeGridNode; const nodeB = b as TreeGridNode; return nodeA.profileNode.selfTime - nodeB.profileNode.selfTime; } function compareStartTime( a: DataGrid.SortableDataGrid.SortableDataGridNode, b: DataGrid.SortableDataGrid.SortableDataGridNode): number { const nodeA = (a as TreeGridNode); const nodeB = (b as TreeGridNode); const eventA = nodeA.profileNode.event; const eventB = nodeB.profileNode.event; // Should not happen, but guard against the nodes not having events. if (!eventA || !eventB) { return 0; } return eventA.ts - eventB.ts; } function compareTotalTime( a: DataGrid.SortableDataGrid.SortableDataGridNode, b: DataGrid.SortableDataGrid.SortableDataGridNode): number { const nodeA = a as TreeGridNode; const nodeB = b as TreeGridNode; return nodeA.profileNode.totalTime - nodeB.profileNode.totalTime; } } #filterChanged(): void { const searchQuery = this.textFilterUI?.value(); const caseSensitive = this.caseSensitiveButton?.isToggled() ?? false; const isRegex = this.regexButton?.isToggled() ?? false; const matchWholeWord = this.matchWholeWord?.isToggled() ?? false; this.textFilterInternal.setRegExp( searchQuery ? Platform.StringUtilities.createSearchRegex(searchQuery, caseSensitive, isRegex, matchWholeWord) : null); this.refreshTree(); } private onShowModeChanged(): void { if (this.#compactMode || !this.splitWidget) { return; } if (this.splitWidget.showMode() === UI.SplitWidget.ShowMode.ONLY_MAIN) { return; } this.lastSelectedNodeInternal = undefined; this.updateDetailsForSelection(); } protected updateDetailsForSelection(): void { if (this.#compactMode || !this.splitWidget || !this.detailsView) { return; } const selectedNode = this.dataGrid.selectedNode ? (this.dataGrid.selectedNode as TreeGridNode).profileNode : null; if (selectedNode === this.lastSelectedNodeInternal) { return; } if (this.splitWidget.showMode() === UI.SplitWidget.ShowMode.ONLY_MAIN) { return; } this.detailsView.detachChildWidgets(); this.detailsView.element.removeChildren(); this.lastSelectedNodeInternal = selectedNode; if (selectedNode && this.showDetailsForNode(selectedNode)) { return; } const banner = this.detailsView.element.createChild('div', 'empty-state'); UI.UIUtils.createTextChild(banner, i18nString(UIStrings.selectItemForDetails)); } showDetailsForNode(_node: Trace.Extras.TraceTree.Node): boolean { return false; } private onMouseMove(event: Event): void { const gridNode = event.target && (event.target instanceof Node) ? (this.dataGrid.dataGridNodeFromNode((event.target))) : null; const profileNode = (gridNode as TreeGridNode)?.profileNode; if (profileNode === this.lastHoveredProfileNode) { return; } this.lastHoveredProfileNode = profileNode; this.onHover(profileNode); } onHover(node: Trace.Extras.TraceTree.Node|null): void { this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_HOVERED, {node}); } onClick(node: Trace.Extras.TraceTree.Node|null): void { this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_CLICKED, {node}); } override childWasDetached(_widget: UI.Widget.Widget): void { this.dataGrid.removeEventListener(DataGrid.DataGrid.Events.SELECTED_NODE, this.#onDataGridSelectionChange); this.dataGrid.removeEventListener(DataGrid.DataGrid.Events.DESELECTED_NODE, this.#onDataGridDeselection); } /** * This event fires when the user selects a row in the grid, either by * clicking or by using the arrow keys. We want to have the same effect as * when the user hover overs a row. */ #onDataGridSelectionChange(event: Common.EventTarget.EventTargetEvent>): void { this.onClick((event.data as GridNode).profileNode); this.onHover((event.data as GridNode).profileNode); } /** * Called when the user deselects a row. * This can either be because they have selected a new row * (you should expect a SELECTED_NODE event after this one) * or because they have deselected without a new selection. */ #onDataGridDeselection(): void { this.onClick(null); this.onHover(null); } onGridNodeOpened(): void { const gridNode = this.dataGrid.selectedNode as TreeGridNode; // Use tree's hover method in case of unique hover experiences (like ThirdPartyTree). this.onHover(gridNode.profileNode); this.updateDetailsForSelection(); } private onContextMenu( contextMenu: UI.ContextMenu.ContextMenu, eventGridNode: DataGrid.DataGrid.DataGridNode): void { const gridNode = (eventGridNode as GridNode); if (gridNode.linkElement) { contextMenu.appendApplicableItems(gridNode.linkElement); } const profileNode = gridNode.profileNode; if (profileNode) { this.appendContextMenuItems(contextMenu, profileNode); } } dataGridElementForEvent(event: Trace.Types.Events.Event|null): HTMLElement|null { if (!event) { return null; } const treeNode = this.eventToTreeNode.get(event); return (treeNode && this.dataGridNodeForTreeNode(treeNode)?.element()) ?? null; } dataGridNodeForTreeNode(treeNode: Trace.Extras.TraceTree.Node): GridNode|null { return treeNodeToGridNode.get(treeNode) || null; } // UI.SearchableView.Searchable implementation onSearchCanceled(): void { this.searchResults = []; this.currentResult = 0; } performSearch(searchConfig: UI.SearchableView.SearchConfig, _shouldJump: boolean, _jumpBackwards?: boolean): void { this.searchResults = []; this.currentResult = 0; if (!this.root) { return; } const searchRegex = searchConfig.toSearchRegex(); this.searchResults = this.root.searchTree( event => TimelineUIUtils.testContentMatching(event, searchRegex.regex, this.#parsedTrace?.data || undefined)); this.searchableView.updateSearchMatchesCount(this.searchResults.length); } jumpToNextSearchResult(): void { if (!this.searchResults.length || this.currentResult === undefined) { return; } this.selectProfileNode(this.searchResults[this.currentResult], false); this.currentResult = Platform.NumberUtilities.mod(this.currentResult + 1, this.searchResults.length); } jumpToPreviousSearchResult(): void { if (!this.searchResults.length || this.currentResult === undefined) { return; } this.selectProfileNode(this.searchResults[this.currentResult], false); this.currentResult = Platform.NumberUtilities.mod(this.currentResult - 1, this.searchResults.length); } supportsCaseSensitiveSearch(): boolean { return true; } supportsWholeWordSearch(): boolean { return true; } supportsRegexSearch(): boolean { return true; } } export namespace TimelineTreeView { export const enum Events { TREE_ROW_HOVERED = 'TreeRowHovered', BOTTOM_UP_BUTTON_CLICKED = 'BottomUpButtonClicked', TREE_ROW_CLICKED = 'TreeRowClicked', } export interface EventTypes { [Events.TREE_ROW_HOVERED]: {node: Trace.Extras.TraceTree.Node|null, events?: Trace.Types.Events.Event[]}; [Events.BOTTOM_UP_BUTTON_CLICKED]: Trace.Extras.TraceTree.Node|null; [Events.TREE_ROW_CLICKED]: {node: Trace.Extras.TraceTree.Node|null, events?: Trace.Types.Events.Event[]}; } } /** * GridNodes are 1:1 with `TraceTree.Node`s but represent them within the DataGrid. It handles the representation as a row. * `TreeGridNode` extends this to maintain relationship to the tree, and handles populate(). * * `TimelineStackView` (aka heaviest stack) uses GridNode directly (as there's no hierarchy there), otherwise these TreeGridNode could probably be consolidated. */ export class GridNode extends DataGrid.SortableDataGrid.SortableDataGridNode { protected populated: boolean; profileNode: Trace.Extras.TraceTree.Node; protected treeView: TimelineTreeView; protected grandTotalTime: number; protected maxSelfTime: number; protected maxTotalTime: number; linkElement: Element|null; constructor( profileNode: Trace.Extras.TraceTree.Node, grandTotalTime: number, maxSelfTime: number, maxTotalTime: number, treeView: TimelineTreeView) { super(null, false); this.populated = false; this.profileNode = profileNode; this.treeView = treeView; this.grandTotalTime = grandTotalTime; this.maxSelfTime = maxSelfTime; this.maxTotalTime = maxTotalTime; this.linkElement = null; } override createCell(columnId: string): HTMLElement { if (columnId === 'activity' || columnId === 'site') { return this.createNameCell(columnId); } return this.createValueCell(columnId) || super.createCell(columnId); } private createNameCell(columnId: string): HTMLElement { const cell = this.createTD(columnId); const container = cell.createChild('div', 'name-container'); const iconContainer = container.createChild('div', 'activity-icon-container'); const icon = iconContainer.createChild('div', 'activity-icon'); const name = container.createChild('div', 'activity-name'); const event = this.profileNode.event; if (this.profileNode.isGroupNode()) { const treeView = (this.treeView as AggregatedTimelineTreeView); const info = treeView.displayInfoForGroupNode(this.profileNode); name.textContent = info.name; icon.style.backgroundColor = info.color; if (info.icon) { iconContainer.insertBefore(info.icon, icon); } // Include badges with the name, if relevant. if (columnId === 'site' && this.treeView.isThirdPartyTreeView()) { const thirdPartyTree = this.treeView; let badgeText = ''; if (thirdPartyTree.nodeIsFirstParty(this.profileNode)) { badgeText = i18nString(UIStrings.firstParty); } else if (thirdPartyTree.nodeIsExtension(this.profileNode)) { badgeText = i18nString(UIStrings.extension); } if (badgeText) { const badge = container.createChild('div', 'entity-badge'); badge.textContent = badgeText; UI.ARIAUtils.setLabel(badge, badgeText); } } } else if (event) { name.textContent = TimelineUIUtils.eventTitle(event); const parsedTrace = this.treeView.parsedTrace; const target = parsedTrace ? targetForEvent(parsedTrace, event) : null; const linkifier = this.treeView.linkifier; const isFreshOrEnhanced = Boolean(parsedTrace && Tracing.FreshRecording.Tracker.instance().recordingIsFreshOrEnhanced(parsedTrace)); const maxLength = this.treeView.maxLinkLength; this.linkElement = TimelineUIUtils.linkifyTopCallFrame(event, target, linkifier, isFreshOrEnhanced, maxLength); if (this.linkElement) { container.createChild('div', 'activity-link').appendChild(this.linkElement); } UI.ARIAUtils.setLabel(icon, TimelineUIUtils.eventStyle(event).category.title); icon.style.backgroundColor = TimelineUIUtils.eventColor(event); if (Trace.Types.Extensions.isSyntheticExtensionEntry(event)) { icon.style.backgroundColor = Extensions.ExtensionUI.extensionEntryColor(event); } } return cell; } private createValueCell(columnId: string): HTMLElement|null { if (columnId !== 'self' && columnId !== 'total' && columnId !== 'start-time' && columnId !== 'transfer-size') { return null; } let showPercents = false; let value: number; let maxTime: number|undefined; let event: Trace.Types.Events.Event|null; let isSize = false; let showBottomUpButton = false; const thirdPartyView = this.treeView; switch (columnId) { case 'start-time': { event = this.profileNode.event; const parsedTrace = this.treeView.parsedTrace; if (!parsedTrace) { throw new Error('Unable to load trace data for tree view'); } const timings = event && Trace.Helpers.Timing.eventTimingsMilliSeconds(event); const startTime = timings?.startTime ?? 0; value = startTime - Trace.Helpers.Timing.microToMilli(parsedTrace.data.Meta.traceBounds.min); } break; case 'self': value = this.profileNode.selfTime; maxTime = this.maxSelfTime; showPercents = true; showBottomUpButton = thirdPartyView.isThirdPartyTreeView(); break; case 'total': value = this.profileNode.totalTime; maxTime = this.maxTotalTime; showPercents = true; break; case 'transfer-size': value = this.profileNode.transferSize; isSize = true; break; default: return null; } const cell = this.createTD(columnId); cell.className = 'numeric-column'; let textDiv; if (!isSize) { cell.setAttribute('title', i18n.TimeUtilities.preciseMillisToString(value, 4)); textDiv = cell.createChild('div'); textDiv.createChild('span').textContent = i18n.TimeUtilities.preciseMillisToString(value, 1); } else { cell.setAttribute('title', i18n.ByteUtilities.formatBytesToKb(value)); textDiv = cell.createChild('div'); textDiv.createChild('span').textContent = i18n.ByteUtilities.formatBytesToKb(value); } if (showPercents && this.treeView.exposePercentages()) { textDiv.createChild('span', 'percent-column').textContent = i18nString(UIStrings.percentPlaceholder, {PH1: (value / this.grandTotalTime * 100).toFixed(1)}); } if (maxTime) { textDiv.classList.add('background-bar-text'); cell.createChild('div', 'background-bar-container').createChild('div', 'background-bar').style.width = (value * 100 / maxTime).toFixed(1) + '%'; } // Generate button on hover for 3P self time cell. if (showBottomUpButton) { this.generateBottomUpButton(textDiv); } return cell; } // Generates bottom up tree hover button and appends it to the provided cell element. private generateBottomUpButton(textDiv: HTMLElement): void { const button = new Buttons.Button.Button(); button.data = { variant: Buttons.Button.Variant.ICON, iconName: 'account-tree', size: Buttons.Button.Size.SMALL, toggledIconName: i18nString(UIStrings.bottomUp), }; UI.ARIAUtils.setLabel(button, i18nString(UIStrings.viewBottomUp)); button.addEventListener('click', () => this.#bottomUpButtonClicked()); UI.Tooltip.Tooltip.install(button, i18nString(UIStrings.bottomUp)); // Append the button to the last column textDiv.appendChild(button); } #bottomUpButtonClicked(): void { // We should also trigger an event to "unhover" the 3P tree row. Since this isn't // triggered when clicking the bottom up button. this.treeView.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_HOVERED, {node: null}); this.treeView.dispatchEventToListeners(TimelineTreeView.Events.BOTTOM_UP_BUTTON_CLICKED, this.profileNode); } } /** * `TreeGridNode` lets a `GridNode` (row) populate based on its tree children. */ export class TreeGridNode extends GridNode { constructor( profileNode: Trace.Extras.TraceTree.Node, grandTotalTime: number, maxSelfTime: number, maxTotalTime: number, treeView: TimelineTreeView) { super(profileNode, grandTotalTime, maxSelfTime, maxTotalTime, treeView); this.setHasChildren(this.profileNode.hasChildren()); treeNodeToGridNode.set(profileNode, this); } override populate(): void { if (this.populated) { return; } this.populated = true; if (!this.profileNode.children) { return; } for (const node of this.profileNode.children().values()) { const gridNode = new TreeGridNode(node, this.grandTotalTime, this.maxSelfTime, this.maxTotalTime, this.treeView); for (const e of node.events) { this.treeView.eventToTreeNode.set(e, node); } this.insertChildOrdered(gridNode); } } } const treeNodeToGridNode = new WeakMap(); export class AggregatedTimelineTreeView extends TimelineTreeView { protected readonly groupBySetting: Common.Settings.Setting; readonly stackView: TimelineStackView; constructor(element?: HTMLElement) { super(element); this.groupBySetting = Common.Settings.Settings.instance().createSetting( 'timeline-tree-group-by', AggregatedTimelineTreeView.GroupBy.None); this.groupBySetting.addChangeListener(() => this.refreshTree()); this.init(); this.stackView = new TimelineStackView(this); this.stackView.addEventListener(TimelineStackView.Events.SELECTION_CHANGED, this.onStackViewSelectionChanged, this); } setGroupBySetting(groupBy: AggregatedTimelineTreeView.GroupBy): void { this.groupBySetting.set(groupBy); } override set activeSelection(selection: TimelineSelection) { super.activeSelection = selection; const rootNode = this.dataGrid.rootNode(); if (rootNode.children.length) { rootNode.children[0].select(/* suppressSelectedEvent */ true); } this.updateDetailsForSelection(); } private beautifyDomainName(this: AggregatedTimelineTreeView, name: string, node: Trace.Extras.TraceTree.Node): string { if (AggregatedTimelineTreeView.isExtensionInternalURL(name as Platform.DevToolsPath.UrlString)) { name = i18nString(UIStrings.chromeExtensionsOverhead); } else if (AggregatedTimelineTreeView.isV8NativeURL(name as Platform.DevToolsPath.UrlString)) { name = i18nString(UIStrings.vRuntime); } else if (name.startsWith('chrome-extension')) { name = this.entityMapper()?.entityForEvent(node.event)?.name || name; } return name; } displayInfoForGroupNode(node: Trace.Extras.TraceTree.Node): { name: string, color: string, icon?: Element, } { const categories = Trace.Styles.getCategoryStyles(); const color = TimelineUIUtils.eventColor(node.event); const unattributed = i18nString(UIStrings.unattributed); const id = typeof node.id === 'symbol' ? undefined : node.id; switch (this.groupBySetting.get()) { case AggregatedTimelineTreeView.GroupBy.Category: { const idIsValid = id && Trace.Styles.stringIsEventCategory(id); const category = idIsValid ? categories[id] || categories['other'] : {title: unattributed, color: unattributed}; const color = category instanceof Trace.Styles.TimelineCategory ? ThemeSupport.ThemeSupport.instance().getComputedValue(category.cssVariable) : category.color; return {name: category.title, color}; } case AggregatedTimelineTreeView.GroupBy.Domain: case AggregatedTimelineTreeView.GroupBy.Subdomain: case AggregatedTimelineTreeView.GroupBy.ThirdParties: { // This `undefined` is [unattributed] // TODO(paulirish): Improve attribution to reduce amount of items in [unattributed]. const domainName = id ? this.beautifyDomainName(id, node) : undefined; return {name: domainName || unattributed, color}; } case AggregatedTimelineTreeView.GroupBy.EventName: { if (!node.event) { throw new Error('Unable to find event for group by operation'); } const name = TimelineUIUtils.eventTitle(node.event); return { name, color, }; } case AggregatedTimelineTreeView.GroupBy.URL: break; case AggregatedTimelineTreeView.GroupBy.Frame: { const frame = id ? this.parsedTrace?.data.PageFrames.frames.get(id) : undefined; const frameName = frame ? TimelineUIUtils.displayNameForFrame(frame) : i18nString(UIStrings.page); return {name: frameName, color}; } default: console.assert(false, 'Unexpected grouping type'); } return { name: id || unattributed, color, }; } override populateToolbar(toolbar: UI.Toolbar.Toolbar): void { super.populateToolbar(toolbar); const groupBy = AggregatedTimelineTreeView.GroupBy; const options = [ {label: i18nString(UIStrings.noGrouping), value: groupBy.None}, {label: i18nString(UIStrings.groupByActivity), value: groupBy.EventName}, {label: i18nString(UIStrings.groupByCategory), value: groupBy.Category}, {label: i18nString(UIStrings.groupByDomain), value: groupBy.Domain}, {label: i18nString(UIStrings.groupByFrame), value: groupBy.Frame}, {label: i18nString(UIStrings.groupBySubdomain), value: groupBy.Subdomain}, {label: i18nString(UIStrings.groupByUrl), value: groupBy.URL}, {label: i18nString(UIStrings.groupByThirdParties), value: groupBy.ThirdParties}, ]; toolbar.appendToolbarItem( new UI.Toolbar.ToolbarSettingComboBox(options, this.groupBySetting, i18nString(UIStrings.groupBy))); if (!this.compactMode && this.splitWidget) { toolbar.appendSpacer(); toolbar.appendToolbarItem(this.splitWidget.createShowHideSidebarButton( i18nString(UIStrings.showHeaviestStack), i18nString(UIStrings.hideHeaviestStack), i18nString(UIStrings.heaviestStackShown), i18nString(UIStrings.heaviestStackHidden))); } } private buildHeaviestStack(treeNode: Trace.Extras.TraceTree.Node): Trace.Extras.TraceTree.Node[] { console.assert(Boolean(treeNode.parent), 'Attempt to build stack for tree root'); let result: Trace.Extras.TraceTree.Node[] = []; // Do not add root to the stack, as it's the tree itself. for (let node: Trace.Extras.TraceTree.Node = treeNode; node?.parent; node = node.parent) { result.push(node); } result = result.reverse(); for (let node: Trace.Extras.TraceTree.Node = treeNode; node?.children()?.size;) { const children = Array.from(node.children().values()); node = children.reduce((a, b) => a.totalTime > b.totalTime ? a : b); result.push(node); } return result; } override exposePercentages(): boolean { return true; } private onStackViewSelectionChanged(): void { const treeNode = this.stackView.selectedTreeNode(); if (treeNode) { this.selectProfileNode(treeNode, true); } } override showDetailsForNode(node: Trace.Extras.TraceTree.Node): boolean { const stack = this.buildHeaviestStack(node); this.stackView.setStack(stack, node); this.stackView.show(this.detailsView.element); return true; } protected groupingFunction(groupBy: AggregatedTimelineTreeView.GroupBy): ((arg0: Trace.Types.Events.Event) => string)|null { const GroupBy = AggregatedTimelineTreeView.GroupBy; switch (groupBy) { case GroupBy.None: return null; case GroupBy.EventName: return (event: Trace.Types.Events.Event) => TimelineUIUtils.eventStyle(event).title; case GroupBy.Category: return (event: Trace.Types.Events.Event) => TimelineUIUtils.eventStyle(event).category.name; case GroupBy.Subdomain: case GroupBy.Domain: case GroupBy.ThirdParties: return this.domainByEvent.bind(this, groupBy); case GroupBy.URL: return (event: Trace.Types.Events.Event) => { const parsedTrace = this.parsedTrace; return parsedTrace ? Trace.Handlers.Helpers.getNonResolvedURL(event, parsedTrace.data) ?? '' : ''; }; case GroupBy.Frame: return (event: Trace.Types.Events.Event) => { const frameId = Trace.Helpers.Trace.frameIDForEvent(event); return frameId || this.parsedTrace?.data.Meta.mainFrameId || ''; }; default: console.assert(false, `Unexpected aggregation setting: ${groupBy}`); return null; } } // This is our groupingFunction that returns the eventId in Domain, Subdomain, and ThirdParty groupBy scenarios. // The eventid == the identity of a node that we expect in a bottomUp tree (either without grouping or with the groupBy grouping) // A "top node" (in `ungroupedTopNodes`) is aggregated by this. (But so are all the other nodes, except the `GroupNode`s) private domainByEvent(groupBy: AggregatedTimelineTreeView.GroupBy, event: Trace.Types.Events.Event): string { const parsedTrace = this.parsedTrace; if (!parsedTrace) { return ''; } const url = Trace.Handlers.Helpers.getNonResolvedURL(event, parsedTrace.data); if (!url) { // We could have receiveDataEvents (that don't have a url), but that have been // attributed to an entity, let's check for these. This is used for ThirdParty grouping. const entity = this.entityMapper()?.entityForEvent(event); if (groupBy === AggregatedTimelineTreeView.GroupBy.ThirdParties && entity) { if (!entity) { return ''; } const firstDomain = entity.domains[0]; const parsedURL = Common.ParsedURL.ParsedURL.fromString(firstDomain); // chrome-extension check must come before entity.name. if (parsedURL?.scheme === 'chrome-extension') { return `${parsedURL.scheme}://${parsedURL.host}`; } return entity.name; } return ''; } if (AggregatedTimelineTreeView.isExtensionInternalURL(url)) { return AggregatedTimelineTreeView.extensionInternalPrefix; } if (AggregatedTimelineTreeView.isV8NativeURL(url)) { return AggregatedTimelineTreeView.v8NativePrefix; } const parsedURL = Common.ParsedURL.ParsedURL.fromString(url); if (!parsedURL) { return ''; } if (parsedURL.scheme === 'chrome-extension') { return parsedURL.scheme + '://' + parsedURL.host; } // This must follow after the extension checks. if (groupBy === AggregatedTimelineTreeView.GroupBy.ThirdParties) { const entity = this.entityMapper()?.entityForEvent(event); if (!entity) { return ''; } return entity.name; } if (groupBy === AggregatedTimelineTreeView.GroupBy.Subdomain) { return parsedURL.host; } if (/^[.0-9]+$/.test(parsedURL.host)) { return parsedURL.host; } const domainMatch = /([^.]*\.)?[^.]*$/.exec(parsedURL.host); return domainMatch?.[0] || ''; } private static isExtensionInternalURL(url: Platform.DevToolsPath.UrlString): boolean { return url.startsWith(AggregatedTimelineTreeView.extensionInternalPrefix); } private static isV8NativeURL(url: Platform.DevToolsPath.UrlString): boolean { return url.startsWith(AggregatedTimelineTreeView.v8NativePrefix); } private static readonly extensionInternalPrefix = 'extensions::'; private static readonly v8NativePrefix = 'native '; override onHover(node: Trace.Extras.TraceTree.Node|null): void { if (node !== null && this.groupBySetting.get() === AggregatedTimelineTreeView.GroupBy.ThirdParties) { const events = this.#getThirdPartyEventsForNode(node); this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_HOVERED, {node, events}); return; } this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_HOVERED, {node}); } override onClick(node: Trace.Extras.TraceTree.Node|null): void { if (node !== null && this.groupBySetting.get() === AggregatedTimelineTreeView.GroupBy.ThirdParties) { const events = this.#getThirdPartyEventsForNode(node); this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_CLICKED, {node, events}); return; } this.dispatchEventToListeners(TimelineTreeView.Events.TREE_ROW_CLICKED, {node}); } #getThirdPartyEventsForNode(node: Trace.Extras.TraceTree.Node): Trace.Types.Events.Event[]|undefined { if (!node.event) { return; } const entity = this.entityMapper()?.entityForEvent(node.event); // Should be [unattributed]. Just use the node's events. if (!entity) { return node.events; } const events = this.entityMapper()?.eventsForEntity(entity); return events; } } export namespace AggregatedTimelineTreeView { export enum GroupBy { /* eslint-disable @typescript-eslint/naming-convention -- Used by web_tests. */ None = 'None', EventName = 'EventName', Category = 'Category', Domain = 'Domain', Subdomain = 'Subdomain', URL = 'URL', Frame = 'Frame', ThirdParties = 'ThirdParties', /* eslint-enable @typescript-eslint/naming-convention */ } } export class CallTreeTimelineTreeView extends AggregatedTimelineTreeView { constructor(element?: HTMLElement) { super(element); this.element.setAttribute('jslog', `${VisualLogging.pane('call-tree').track({resize: true})}`); this.dataGrid.markColumnAsSortedBy('total', DataGrid.DataGrid.Order.Descending); } override buildTree(): Trace.Extras.TraceTree.Node { const grouping = this.groupBySetting.get(); return this.buildTopDownTree(false, this.groupingFunction(grouping)); } } export class BottomUpTimelineTreeView extends AggregatedTimelineTreeView { constructor(element?: HTMLElement) { super(element); this.element.setAttribute('jslog', `${VisualLogging.pane('bottom-up').track({resize: true})}`); this.dataGrid.markColumnAsSortedBy('self', DataGrid.DataGrid.Order.Descending); } override buildTree(): Trace.Extras.TraceTree.Node { return new Trace.Extras.TraceTree.BottomUpRootNode(this.selectedEvents, { textFilter: this.textFilter(), filters: this.filtersWithoutTextFilter(), startTime: this.startTime, endTime: this.endTime, eventGroupIdCallback: this.groupingFunction(this.groupBySetting.get()), // To include instant events. When this is set to true, instant events are // considered (to calculate transfer size). This then includes these events in tree nodes. calculateTransferSize: true, // We should forceGroupIdCallback if filtering by 3P for correct 3P grouping. forceGroupIdCallback: this.groupBySetting.get() === AggregatedTimelineTreeView.GroupBy.ThirdParties, }); } } export class TimelineStackView extends Common.ObjectWrapper.eventMixin(UI.Widget.VBox) { private readonly treeView: TimelineTreeView; private readonly dataGrid: DataGrid.ViewportDataGrid.ViewportDataGrid; constructor(treeView: TimelineTreeView) { super(); const header = this.element.createChild('div', 'timeline-stack-view-header'); header.textContent = i18nString(UIStrings.heaviestStack); this.treeView = treeView; const columns: DataGrid.DataGrid.ColumnDescriptor[] = [ {id: 'total', title: i18nString(UIStrings.totalTime), fixedWidth: true, width: '110px', sortable: false}, {id: 'activity', title: i18nString(UIStrings.activity), sortable: false}, ]; this.dataGrid = new DataGrid.ViewportDataGrid.ViewportDataGrid({ displayName: i18nString(UIStrings.timelineStack), columns, }); this.dataGrid.setResizeMethod(DataGrid.DataGrid.ResizeMethod.LAST); this.dataGrid.addEventListener(DataGrid.DataGrid.Events.SELECTED_NODE, this.onSelectionChanged, this); // Hover dim behavior within stackview sidebar this.dataGrid.element.addEventListener('mouseenter', this.onMouseMove.bind(this), true); this.dataGrid.element.addEventListener( 'mouseleave', () => this.dispatchEventToListeners(TimelineStackView.Events.TREE_ROW_HOVERED, null)); this.dataGrid.asWidget().show(this.element); } setStack(stack: Trace.Extras.TraceTree.Node[], selectedNode: Trace.Extras.TraceTree.Node): void { const rootNode = this.dataGrid.rootNode(); rootNode.removeChildren(); let nodeToReveal: GridNode|null = null; const totalTime = Math.max.apply(Math, stack.map(node => node.totalTime)); for (const node of stack) { const gridNode = new GridNode(node, totalTime, totalTime, totalTime, this.treeView); rootNode.appendChild(gridNode); if (node === selectedNode) { nodeToReveal = gridNode; } } if (nodeToReveal) { nodeToReveal.revealAndSelect(); } } onMouseMove(event: Event): void { const gridNode = event.target && (event.target instanceof Node) ? (this.dataGrid.dataGridNodeFromNode((event.target as Node))) : null; const profileNode = (gridNode as TreeGridNode)?.profileNode; this.dispatchEventToListeners(TimelineStackView.Events.TREE_ROW_HOVERED, profileNode); } selectedTreeNode(): Trace.Extras.TraceTree.Node|null { const selectedNode = this.dataGrid.selectedNode; return selectedNode && (selectedNode as GridNode).profileNode; } private onSelectionChanged(): void { this.dispatchEventToListeners(TimelineStackView.Events.SELECTION_CHANGED); } } export namespace TimelineStackView { export const enum Events { SELECTION_CHANGED = 'SelectionChanged', TREE_ROW_HOVERED = 'TreeRowHovered', } export interface EventTypes { [Events.TREE_ROW_HOVERED]: Trace.Extras.TraceTree.Node|null; [Events.SELECTION_CHANGED]: void; } }