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backLayerWebView.ts
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backLayerWebView.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as osPath from 'vs/base/common/path';
import { IMouseWheelEvent } from 'vs/base/browser/mouseEvent';
import { coalesce } from 'vs/base/common/arrays';
import { DeferredPromise } from 'vs/base/common/async';
import { decodeBase64 } from 'vs/base/common/buffer';
import { Emitter, Event } from 'vs/base/common/event';
import { getExtensionForMimeType } from 'vs/base/common/mime';
import { FileAccess, Schemas } from 'vs/base/common/network';
import { equals } from 'vs/base/common/objects';
import { isMacintosh, isWeb } from 'vs/base/common/platform';
import { dirname, isEqual, joinPath } from 'vs/base/common/resources';
import { URI } from 'vs/base/common/uri';
import * as UUID from 'vs/base/common/uuid';
import { TokenizationRegistry } from 'vs/editor/common/languages';
import { ILanguageService } from 'vs/editor/common/languages/language';
import { generateTokensCSSForColorMap } from 'vs/editor/common/languages/supports/tokenization';
import { tokenizeToString } from 'vs/editor/common/languages/textToHtmlTokenizer';
import * as nls from 'vs/nls';
import { MenuId } from 'vs/platform/actions/common/actions';
import { IConfigurationService } from 'vs/platform/configuration/common/configuration';
import { IContextKeyService } from 'vs/platform/contextkey/common/contextkey';
import { IContextMenuService } from 'vs/platform/contextview/browser/contextView';
import { IFileDialogService } from 'vs/platform/dialogs/common/dialogs';
import { IFileService } from 'vs/platform/files/common/files';
import { IOpenerService, matchesScheme, matchesSomeScheme } from 'vs/platform/opener/common/opener';
import { IStorageService } from 'vs/platform/storage/common/storage';
import { editorFindMatch, editorFindMatchHighlight } from 'vs/platform/theme/common/colorRegistry';
import { IThemeService, Themable } from 'vs/platform/theme/common/themeService';
import { IWorkspaceContextService } from 'vs/platform/workspace/common/workspace';
import { IWorkspaceTrustManagementService } from 'vs/platform/workspace/common/workspaceTrust';
import { CellEditState, ICellOutputViewModel, ICellViewModel, ICommonCellInfo, IDisplayOutputLayoutUpdateRequest, IDisplayOutputViewModel, IFocusNotebookCellOptions, IGenericCellViewModel, IInsetRenderOutput, INotebookEditorCreationOptions, INotebookWebviewMessage, RenderOutputType } from 'vs/workbench/contrib/notebook/browser/notebookBrowser';
import { NOTEBOOK_WEBVIEW_BOUNDARY } from 'vs/workbench/contrib/notebook/browser/view/notebookCellList';
import { preloadsScriptStr } from 'vs/workbench/contrib/notebook/browser/view/renderers/webviewPreloads';
import { transformWebviewThemeVars } from 'vs/workbench/contrib/notebook/browser/view/renderers/webviewThemeMapping';
import { MarkupCellViewModel } from 'vs/workbench/contrib/notebook/browser/viewModel/markupCellViewModel';
import { CellUri, INotebookRendererInfo, RendererMessagingSpec } from 'vs/workbench/contrib/notebook/common/notebookCommon';
import { INotebookKernel } from 'vs/workbench/contrib/notebook/common/notebookKernelService';
import { IScopedRendererMessaging } from 'vs/workbench/contrib/notebook/common/notebookRendererMessagingService';
import { INotebookService } from 'vs/workbench/contrib/notebook/common/notebookService';
import { IWebviewElement, IWebviewService, WebviewContentPurpose, WebviewOriginStore } from 'vs/workbench/contrib/webview/browser/webview';
import { WebviewWindowDragMonitor } from 'vs/workbench/contrib/webview/browser/webviewWindowDragMonitor';
import { asWebviewUri, webviewGenericCspSource } from 'vs/workbench/contrib/webview/common/webview';
import { IEditorGroup, IEditorGroupsService } from 'vs/workbench/services/editor/common/editorGroupsService';
import { IWorkbenchEnvironmentService } from 'vs/workbench/services/environment/common/environmentService';
import { FromWebviewMessage, IAckOutputHeight, IClickedDataUrlMessage, ICodeBlockHighlightRequest, IContentWidgetTopRequest, IControllerPreload, ICreationContent, ICreationRequestMessage, IFindMatch, IMarkupCellInitialization, RendererMetadata, StaticPreloadMetadata, ToWebviewMessage } from './webviewMessages';
import { IPathService } from 'vs/workbench/services/path/common/pathService';
import { ITextEditorOptions } from 'vs/platform/editor/common/editor';
import { EditorInput } from 'vs/workbench/common/editor/editorInput';
import { INotebookLoggingService } from 'vs/workbench/contrib/notebook/common/notebookLoggingService';
import { IDisposable } from 'vs/base/common/lifecycle';
const LINE_COLUMN_REGEX = /:([\d]+)(?::([\d]+))?$/;
const LineQueryRegex = /line=(\d+)$/;
export interface ICachedInset<K extends ICommonCellInfo> {
outputId: string;
cellInfo: K;
renderer?: INotebookRendererInfo;
cachedCreation: ICreationRequestMessage;
}
export interface IResolvedBackLayerWebview {
webview: IWebviewElement;
}
/**
* Notebook Editor Delegate for back layer webview
*/
export interface INotebookDelegateForWebview {
readonly creationOptions: INotebookEditorCreationOptions;
getCellById(cellId: string): IGenericCellViewModel | undefined;
focusNotebookCell(cell: IGenericCellViewModel, focus: 'editor' | 'container' | 'output', options?: IFocusNotebookCellOptions): Promise<void>;
toggleNotebookCellSelection(cell: IGenericCellViewModel, selectFromPrevious: boolean): void;
getCellByInfo(cellInfo: ICommonCellInfo): IGenericCellViewModel;
focusNextNotebookCell(cell: IGenericCellViewModel, focus: 'editor' | 'container' | 'output'): Promise<void>;
updateOutputHeight(cellInfo: ICommonCellInfo, output: IDisplayOutputViewModel, height: number, isInit: boolean, source?: string): void;
scheduleOutputHeightAck(cellInfo: ICommonCellInfo, outputId: string, height: number): void;
updateMarkupCellHeight(cellId: string, height: number, isInit: boolean): void;
setMarkupCellEditState(cellId: string, editState: CellEditState): void;
didStartDragMarkupCell(cellId: string, event: { dragOffsetY: number }): void;
didDragMarkupCell(cellId: string, event: { dragOffsetY: number }): void;
didDropMarkupCell(cellId: string, event: { dragOffsetY: number; ctrlKey: boolean; altKey: boolean }): void;
didEndDragMarkupCell(cellId: string): void;
didResizeOutput(cellId: string): void;
setScrollTop(scrollTop: number): void;
triggerScroll(event: IMouseWheelEvent): void;
updatePerformanceMetadata(cellId: string, executionId: string, duration: number, rendererId: string): void;
}
interface BacklayerWebviewOptions {
readonly outputNodePadding: number;
readonly outputNodeLeftPadding: number;
readonly previewNodePadding: number;
readonly markdownLeftMargin: number;
readonly leftMargin: number;
readonly rightMargin: number;
readonly runGutter: number;
readonly dragAndDropEnabled: boolean;
readonly fontSize: number;
readonly outputFontSize: number;
readonly fontFamily: string;
readonly outputFontFamily: string;
readonly markupFontSize: number;
readonly outputLineHeight: number;
readonly outputScrolling: boolean;
readonly outputWordWrap: boolean;
readonly outputLineLimit: number;
}
export class BackLayerWebView<T extends ICommonCellInfo> extends Themable {
private static _originStore?: WebviewOriginStore;
private static getOriginStore(storageService: IStorageService): WebviewOriginStore {
this._originStore ??= new WebviewOriginStore('notebook.backlayerWebview.origins', storageService);
return this._originStore;
}
element: HTMLElement;
webview: IWebviewElement | undefined = undefined;
insetMapping: Map<IDisplayOutputViewModel, ICachedInset<T>> = new Map();
pendingWebviewIdleInsetCreationRequest: Map<IDisplayOutputViewModel, ICachedInset<T>> = new Map();
private reversedPendingWebviewIdleInsetMapping: Map<string, IDisplayOutputViewModel> = new Map();
pendingInsetCreationRequest: Map<IDisplayOutputViewModel, IDisposable> = new Map();
readonly markupPreviewMapping = new Map<string, IMarkupCellInitialization>();
private hiddenInsetMapping: Set<IDisplayOutputViewModel> = new Set();
private reversedInsetMapping: Map<string, IDisplayOutputViewModel> = new Map();
private localResourceRootsCache: URI[] | undefined = undefined;
private readonly _onMessage = this._register(new Emitter<INotebookWebviewMessage>());
private readonly _preloadsCache = new Set<string>();
public readonly onMessage: Event<INotebookWebviewMessage> = this._onMessage.event;
private _disposed = false;
private _currentKernel?: INotebookKernel;
private firstInit = true;
private initializeMarkupPromise?: { readonly requestId: string; readonly p: DeferredPromise<void>; readonly isFirstInit: boolean };
private readonly nonce = UUID.generateUuid();
constructor(
public notebookEditor: INotebookDelegateForWebview,
private readonly id: string,
public readonly notebookViewType: string,
public readonly documentUri: URI,
private options: BacklayerWebviewOptions,
private readonly rendererMessaging: IScopedRendererMessaging | undefined,
@IWebviewService private readonly webviewService: IWebviewService,
@IOpenerService private readonly openerService: IOpenerService,
@INotebookService private readonly notebookService: INotebookService,
@IWorkspaceContextService private readonly contextService: IWorkspaceContextService,
@IWorkbenchEnvironmentService private readonly environmentService: IWorkbenchEnvironmentService,
@IFileDialogService private readonly fileDialogService: IFileDialogService,
@IFileService private readonly fileService: IFileService,
@IContextMenuService private readonly contextMenuService: IContextMenuService,
@IContextKeyService private readonly contextKeyService: IContextKeyService,
@IWorkspaceTrustManagementService private readonly workspaceTrustManagementService: IWorkspaceTrustManagementService,
@IConfigurationService private readonly configurationService: IConfigurationService,
@ILanguageService private readonly languageService: ILanguageService,
@IWorkspaceContextService private readonly workspaceContextService: IWorkspaceContextService,
@IEditorGroupsService private readonly editorGroupService: IEditorGroupsService,
@IStorageService private readonly storageService: IStorageService,
@IPathService private readonly pathService: IPathService,
@INotebookLoggingService private readonly notebookLogService: INotebookLoggingService,
@IThemeService themeService: IThemeService,
) {
super(themeService);
this._logRendererDebugMessage('Creating backlayer webview for notebook');
this.element = document.createElement('div');
this.element.style.height = '1400px';
this.element.style.position = 'absolute';
if (rendererMessaging) {
this._register(rendererMessaging);
rendererMessaging.receiveMessageHandler = (rendererId, message) => {
if (!this.webview || this._disposed) {
return Promise.resolve(false);
}
this._sendMessageToWebview({
__vscode_notebook_message: true,
type: 'customRendererMessage',
rendererId: rendererId,
message: message
});
return Promise.resolve(true);
};
}
this._register(workspaceTrustManagementService.onDidChangeTrust(e => {
this._sendMessageToWebview({
type: 'updateWorkspaceTrust',
isTrusted: e,
});
}));
this._register(TokenizationRegistry.onDidChange(() => {
this._sendMessageToWebview({
type: 'tokenizedStylesChanged',
css: getTokenizationCss(),
});
}));
}
updateOptions(options: BacklayerWebviewOptions) {
this.options = options;
this._updateStyles();
this._updateOptions();
}
private _logRendererDebugMessage(msg: string) {
this.notebookLogService.debug('BacklayerWebview', `${this.documentUri} (${this.id}) - ${msg}`);
}
private _updateStyles() {
this._sendMessageToWebview({
type: 'notebookStyles',
styles: this._generateStyles()
});
}
private _updateOptions() {
this._sendMessageToWebview({
type: 'notebookOptions',
options: {
dragAndDropEnabled: this.options.dragAndDropEnabled
},
renderOptions: {
lineLimit: this.options.outputLineLimit,
outputScrolling: this.options.outputScrolling,
outputWordWrap: this.options.outputWordWrap
}
});
}
private _generateStyles() {
return {
'notebook-output-left-margin': `${this.options.leftMargin + this.options.runGutter}px`,
'notebook-output-width': `calc(100% - ${this.options.leftMargin + this.options.rightMargin + this.options.runGutter}px)`,
'notebook-output-node-padding': `${this.options.outputNodePadding}px`,
'notebook-run-gutter': `${this.options.runGutter}px`,
'notebook-preview-node-padding': `${this.options.previewNodePadding}px`,
'notebook-markdown-left-margin': `${this.options.markdownLeftMargin}px`,
'notebook-output-node-left-padding': `${this.options.outputNodeLeftPadding}px`,
'notebook-markdown-min-height': `${this.options.previewNodePadding * 2}px`,
'notebook-markup-font-size': typeof this.options.markupFontSize === 'number' && this.options.markupFontSize > 0 ? `${this.options.markupFontSize}px` : `calc(${this.options.fontSize}px * 1.2)`,
'notebook-cell-output-font-size': `${this.options.outputFontSize || this.options.fontSize}px`,
'notebook-cell-output-line-height': `${this.options.outputLineHeight}px`,
'notebook-cell-output-max-height': `${this.options.outputLineHeight * this.options.outputLineLimit}px`,
'notebook-cell-output-font-family': this.options.outputFontFamily || this.options.fontFamily,
'notebook-cell-markup-empty-content': nls.localize('notebook.emptyMarkdownPlaceholder', "Empty markdown cell, double-click or press enter to edit."),
'notebook-cell-renderer-not-found-error': nls.localize({
key: 'notebook.error.rendererNotFound',
comment: ['$0 is a placeholder for the mime type']
}, "No renderer found for '$0'"),
'notebook-cell-renderer-fallbacks-exhausted': nls.localize({
key: 'notebook.error.rendererFallbacksExhausted',
comment: ['$0 is a placeholder for the mime type']
}, "Could not render content for '$0'"),
};
}
private generateContent(baseUrl: string) {
const renderersData = this.getRendererData();
const preloadsData = this.getStaticPreloadsData();
const renderOptions = {
lineLimit: this.options.outputLineLimit,
outputScrolling: this.options.outputScrolling,
outputWordWrap: this.options.outputWordWrap
};
const preloadScript = preloadsScriptStr(
this.options,
{ dragAndDropEnabled: this.options.dragAndDropEnabled },
renderOptions,
renderersData,
preloadsData,
this.workspaceTrustManagementService.isWorkspaceTrusted(),
this.nonce);
const enableCsp = this.configurationService.getValue('notebook.experimental.enableCsp');
const currentHighlight = this.getColor(editorFindMatch);
const findMatchHighlight = this.getColor(editorFindMatchHighlight);
return /* html */`
<html lang="en">
<head>
<meta charset="UTF-8">
<base href="${baseUrl}/" />
${enableCsp ?
`<meta http-equiv="Content-Security-Policy" content="
default-src 'none';
script-src ${webviewGenericCspSource} 'unsafe-inline' 'unsafe-eval';
style-src ${webviewGenericCspSource} 'unsafe-inline';
img-src ${webviewGenericCspSource} https: http: data:;
font-src ${webviewGenericCspSource} https:;
connect-src https:;
child-src https: data:;
">` : ''}
<style nonce="${this.nonce}">
::highlight(find-highlight) {
background-color: var(--vscode-editor-findMatchBackground, ${findMatchHighlight});
}
::highlight(current-find-highlight) {
background-color: var(--vscode-editor-findMatchHighlightBackground, ${currentHighlight});
}
#container .cell_container {
width: 100%;
}
#container .output_container {
width: 100%;
}
#container > div > div > div.output {
font-size: var(--notebook-cell-output-font-size);
width: var(--notebook-output-width);
margin-left: var(--notebook-output-left-margin);
padding-top: var(--notebook-output-node-padding);
padding-right: var(--notebook-output-node-padding);
padding-bottom: var(--notebook-output-node-padding);
padding-left: var(--notebook-output-node-left-padding);
box-sizing: border-box;
border-top: none !important;
border: 1px solid var(--theme-notebook-output-border);
background-color: var(--theme-notebook-output-background);
}
/* markdown */
#container div.preview {
width: 100%;
padding-right: var(--notebook-preview-node-padding);
padding-left: var(--notebook-markdown-left-margin);
padding-top: var(--notebook-preview-node-padding);
padding-bottom: var(--notebook-preview-node-padding);
box-sizing: border-box;
white-space: nowrap;
overflow: hidden;
white-space: initial;
font-size: var(--notebook-markup-font-size);
color: var(--theme-ui-foreground);
}
#container div.preview.draggable {
user-select: none;
-webkit-user-select: none;
-ms-user-select: none;
cursor: grab;
}
#container div.preview.selected {
background: var(--theme-notebook-cell-selected-background);
}
#container div.preview.dragging {
background-color: var(--theme-background);
opacity: 0.5 !important;
}
.monaco-workbench.vs-dark .notebookOverlay .cell.markdown .latex img,
.monaco-workbench.vs-dark .notebookOverlay .cell.markdown .latex-block img {
filter: brightness(0) invert(1)
}
#container .markup > div.nb-symbolHighlight {
background-color: var(--theme-notebook-symbol-highlight-background);
}
#container > div.nb-cellDeleted .output_container {
background-color: var(--theme-notebook-diff-removed-background);
}
#container > div.nb-cellAdded .output_container {
background-color: var(--theme-notebook-diff-inserted-background);
}
#container > div > div:not(.preview) > div {
overflow-x: auto;
}
#container .no-renderer-error {
color: var(--vscode-editorError-foreground);
}
body {
padding: 0px;
height: 100%;
width: 100%;
}
table, thead, tr, th, td, tbody {
border: none !important;
border-color: transparent;
border-spacing: 0;
border-collapse: collapse;
}
table, th, tr {
vertical-align: middle;
text-align: right;
}
thead {
font-weight: bold;
background-color: rgba(130, 130, 130, 0.16);
}
th, td {
padding: 4px 8px;
}
tr:nth-child(even) {
background-color: rgba(130, 130, 130, 0.08);
}
tbody th {
font-weight: normal;
}
.find-match {
background-color: var(--vscode-editor-findMatchHighlightBackground);
}
.current-find-match {
background-color: var(--vscode-editor-findMatchBackground);
}
#_defaultColorPalatte {
color: var(--vscode-editor-findMatchHighlightBackground);
background-color: var(--vscode-editor-findMatchBackground);
}
</style>
<style id="vscode-tokenization-styles" nonce="${this.nonce}">${getTokenizationCss()}</style>
</head>
<body style="overflow: hidden;">
<div id='findStart' tabIndex=-1></div>
<div id='container' class="widgetarea" style="position: absolute;width:100%;top: 0px"></div>
<div id="_defaultColorPalatte"></div>
<script type="module">${preloadScript}</script>
</body>
</html>`;
}
private getRendererData(): RendererMetadata[] {
return this.notebookService.getRenderers().map((renderer): RendererMetadata => {
const entrypoint = {
extends: renderer.entrypoint.extends,
path: this.asWebviewUri(renderer.entrypoint.path, renderer.extensionLocation).toString()
};
return {
id: renderer.id,
entrypoint,
mimeTypes: renderer.mimeTypes,
messaging: renderer.messaging !== RendererMessagingSpec.Never,
isBuiltin: renderer.isBuiltin
};
});
}
private getStaticPreloadsData(): StaticPreloadMetadata[] {
return Array.from(this.notebookService.getStaticPreloads(this.notebookViewType), preload => {
return { entrypoint: this.asWebviewUri(preload.entrypoint, preload.extensionLocation).toString().toString() };
});
}
private asWebviewUri(uri: URI, fromExtension: URI | undefined) {
return asWebviewUri(uri, fromExtension?.scheme === Schemas.vscodeRemote ? { isRemote: true, authority: fromExtension.authority } : undefined);
}
postKernelMessage(message: any) {
this._sendMessageToWebview({
__vscode_notebook_message: true,
type: 'customKernelMessage',
message,
});
}
private resolveOutputId(id: string): { cellInfo: T; output: ICellOutputViewModel } | undefined {
const output = this.reversedInsetMapping.get(id);
if (!output) {
return;
}
const cellInfo = this.insetMapping.get(output)!.cellInfo;
return { cellInfo, output };
}
isResolved(): this is IResolvedBackLayerWebview {
return !!this.webview;
}
createWebview(): void {
const baseUrl = this.asWebviewUri(this.getNotebookBaseUri(), undefined);
const htmlContent = this.generateContent(baseUrl.toString());
this._initialize(htmlContent);
}
private getNotebookBaseUri() {
if (this.documentUri.scheme === Schemas.untitled || this.documentUri.scheme === Schemas.vscodeInteractive) {
const folder = this.workspaceContextService.getWorkspaceFolder(this.documentUri);
if (folder) {
return folder.uri;
}
const folders = this.workspaceContextService.getWorkspace().folders;
if (folders.length) {
return folders[0].uri;
}
}
return dirname(this.documentUri);
}
private getBuiltinLocalResourceRoots(): URI[] {
// Python notebooks assume that requirejs is a global.
// For all other notebooks, they need to provide their own loader.
if (!this.documentUri.path.toLowerCase().endsWith('.ipynb')) {
return [];
}
if (isWeb) {
return []; // script is inlined
}
return [
dirname(FileAccess.asFileUri('vs/loader.js')),
];
}
private _initialize(content: string) {
if (!document.body.contains(this.element)) {
throw new Error('Element is already detached from the DOM tree');
}
this.webview = this._createInset(this.webviewService, content);
this.webview.mountTo(this.element);
this._register(this.webview);
this._register(new WebviewWindowDragMonitor(() => this.webview));
this._register(this.webview.onMessage(async (message) => {
const data: FromWebviewMessage | { readonly __vscode_notebook_message: undefined } = message.message;
if (this._disposed) {
return;
}
if (!data.__vscode_notebook_message) {
return;
}
switch (data.type) {
case 'initialized': {
this.initializeWebViewState();
break;
}
case 'initializedMarkup': {
if (this.initializeMarkupPromise?.requestId === data.requestId) {
this.initializeMarkupPromise?.p.complete();
this.initializeMarkupPromise = undefined;
}
break;
}
case 'dimension': {
for (const update of data.updates) {
const height = update.height;
if (update.isOutput) {
const resolvedResult = this.resolveOutputId(update.id);
if (resolvedResult) {
const { cellInfo, output } = resolvedResult;
this.notebookEditor.updateOutputHeight(cellInfo, output, height, !!update.init, 'webview#dimension');
this.notebookEditor.scheduleOutputHeightAck(cellInfo, update.id, height);
} else if (update.init) {
// might be idle render request's ack
const outputRequest = this.reversedPendingWebviewIdleInsetMapping.get(update.id);
if (outputRequest) {
const inset = this.pendingWebviewIdleInsetCreationRequest.get(outputRequest)!;
const cellInfo = inset.cellInfo;
this.reversedInsetMapping.set(update.id, outputRequest);
this.insetMapping.set(outputRequest, inset);
this.notebookEditor.updateOutputHeight(cellInfo, outputRequest, height, !!update.init, 'webview#dimension');
this.notebookEditor.scheduleOutputHeightAck(cellInfo, update.id, height);
}
}
} else {
this.notebookEditor.updateMarkupCellHeight(update.id, height, !!update.init);
}
}
break;
}
case 'mouseenter': {
const resolvedResult = this.resolveOutputId(data.id);
if (resolvedResult) {
const latestCell = this.notebookEditor.getCellByInfo(resolvedResult.cellInfo);
if (latestCell) {
latestCell.outputIsHovered = true;
}
}
break;
}
case 'mouseleave': {
const resolvedResult = this.resolveOutputId(data.id);
if (resolvedResult) {
const latestCell = this.notebookEditor.getCellByInfo(resolvedResult.cellInfo);
if (latestCell) {
latestCell.outputIsHovered = false;
}
}
break;
}
case 'outputFocus': {
const resolvedResult = this.resolveOutputId(data.id);
if (resolvedResult) {
const latestCell = this.notebookEditor.getCellByInfo(resolvedResult.cellInfo);
if (latestCell) {
latestCell.outputIsFocused = true;
this.notebookEditor.focusNotebookCell(latestCell, 'output', { skipReveal: true });
}
}
break;
}
case 'outputBlur': {
const resolvedResult = this.resolveOutputId(data.id);
if (resolvedResult) {
const latestCell = this.notebookEditor.getCellByInfo(resolvedResult.cellInfo);
if (latestCell) {
latestCell.outputIsFocused = false;
}
}
break;
}
case 'scroll-ack': {
// const date = new Date();
// const top = data.data.top;
// console.log('ack top ', top, ' version: ', data.version, ' - ', date.getMinutes() + ':' + date.getSeconds() + ':' + date.getMilliseconds());
break;
}
case 'scroll-to-reveal': {
this.notebookEditor.setScrollTop(data.scrollTop - NOTEBOOK_WEBVIEW_BOUNDARY);
break;
}
case 'did-scroll-wheel': {
this.notebookEditor.triggerScroll({
...data.payload,
preventDefault: () => { },
stopPropagation: () => { }
});
break;
}
case 'focus-editor': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell) {
if (data.focusNext) {
this.notebookEditor.focusNextNotebookCell(cell, 'editor');
} else {
await this.notebookEditor.focusNotebookCell(cell, 'editor');
}
}
break;
}
case 'clicked-data-url': {
this._onDidClickDataLink(data);
break;
}
case 'clicked-link': {
if (matchesScheme(data.href, Schemas.command)) {
const uri = URI.parse(data.href);
if (uri.path === 'workbench.action.openLargeOutput') {
const outputId = uri.query;
const group = this.editorGroupService.activeGroup;
if (group) {
if (group.activeEditor) {
group.pinEditor(group.activeEditor);
}
}
this.openerService.open(CellUri.generateCellOutputUri(this.documentUri, outputId));
return;
}
// We allow a very limited set of commands
this.openerService.open(data.href, {
fromUserGesture: true,
fromWorkspace: true,
allowCommands: [
'github-issues.authNow',
'workbench.extensions.search',
'workbench.action.openSettings',
'_notebook.selectKernel',
// TODO@rebornix explore open output channel with name command
'jupyter.viewOutput'
],
});
return;
}
if (matchesSomeScheme(data.href, Schemas.http, Schemas.https, Schemas.mailto)) {
this.openerService.open(data.href, { fromUserGesture: true, fromWorkspace: true });
} else if (matchesScheme(data.href, Schemas.vscodeNotebookCell)) {
const uri = URI.parse(data.href);
this._handleNotebookCellResource(uri);
} else if (!/^[\w\-]+:/.test(data.href)) {
this._handleResourceOpening(data.href);
} else {
// uri with scheme
if (osPath.isAbsolute(data.href)) {
this._openUri(URI.file(data.href));
} else {
this._openUri(URI.parse(data.href));
}
}
break;
}
case 'customKernelMessage': {
this._onMessage.fire({ message: data.message });
break;
}
case 'customRendererMessage': {
this.rendererMessaging?.postMessage(data.rendererId, data.message);
break;
}
case 'clickMarkupCell': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell) {
if (data.shiftKey || (isMacintosh ? data.metaKey : data.ctrlKey)) {
// Modify selection
this.notebookEditor.toggleNotebookCellSelection(cell, /* fromPrevious */ data.shiftKey);
} else {
// Normal click
await this.notebookEditor.focusNotebookCell(cell, 'container', { skipReveal: true });
}
}
break;
}
case 'contextMenuMarkupCell': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell) {
// Focus the cell first
await this.notebookEditor.focusNotebookCell(cell, 'container', { skipReveal: true });
// Then show the context menu
const webviewRect = this.element.getBoundingClientRect();
this.contextMenuService.showContextMenu({
menuId: MenuId.NotebookCellTitle,
contextKeyService: this.contextKeyService,
getAnchor: () => ({
x: webviewRect.x + data.clientX,
y: webviewRect.y + data.clientY
})
});
}
break;
}
case 'toggleMarkupPreview': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell && !this.notebookEditor.creationOptions.isReadOnly) {
this.notebookEditor.setMarkupCellEditState(data.cellId, CellEditState.Editing);
await this.notebookEditor.focusNotebookCell(cell, 'editor', { skipReveal: true });
}
break;
}
case 'mouseEnterMarkupCell': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell instanceof MarkupCellViewModel) {
cell.cellIsHovered = true;
}
break;
}
case 'mouseLeaveMarkupCell': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell instanceof MarkupCellViewModel) {
cell.cellIsHovered = false;
}
break;
}
case 'cell-drag-start': {
this.notebookEditor.didStartDragMarkupCell(data.cellId, data);
break;
}
case 'cell-drag': {
this.notebookEditor.didDragMarkupCell(data.cellId, data);
break;
}
case 'cell-drop': {
this.notebookEditor.didDropMarkupCell(data.cellId, {
dragOffsetY: data.dragOffsetY,
ctrlKey: data.ctrlKey,
altKey: data.altKey,
});
break;
}
case 'cell-drag-end': {
this.notebookEditor.didEndDragMarkupCell(data.cellId);
break;
}
case 'renderedMarkup': {
const cell = this.notebookEditor.getCellById(data.cellId);
if (cell instanceof MarkupCellViewModel) {
cell.renderedHtml = data.html;
}
this._handleHighlightCodeBlock(data.codeBlocks);
break;
}
case 'renderedCellOutput': {
this._handleHighlightCodeBlock(data.codeBlocks);
break;
}
case 'outputResized': {
this.notebookEditor.didResizeOutput(data.cellId);
break;
}
case 'getOutputItem': {
const resolvedResult = this.resolveOutputId(data.outputId);
const output = resolvedResult?.output.model.outputs.find(output => output.mime === data.mime);
this._sendMessageToWebview({
type: 'returnOutputItem',
requestId: data.requestId,
output: output ? { mime: output.mime, valueBytes: output.data.buffer } : undefined,
});
break;
}
case 'logRendererDebugMessage': {
this._logRendererDebugMessage(`${data.message}${data.data ? ' ' + JSON.stringify(data.data, null, 4) : ''}`);
break;
}
case 'notebookPerformanceMessage': {
this.notebookEditor.updatePerformanceMetadata(data.cellId, data.executionId, data.duration, data.rendererId);
break;
}
}
}));
}
private _handleNotebookCellResource(uri: URI) {
const lineMatch = /\?line=(\d+)$/.exec(uri.fragment);
if (lineMatch) {
const parsedLineNumber = parseInt(lineMatch[1], 10);
if (!isNaN(parsedLineNumber)) {
const lineNumber = parsedLineNumber + 1;
const fragment = uri.fragment.substring(0, lineMatch.index);
// open the uri with selection
const editorOptions: ITextEditorOptions = {
selection: { startLineNumber: lineNumber, startColumn: 1, endLineNumber: lineNumber, endColumn: 1 }
};
this.openerService.open(uri.with({ fragment }), {
fromUserGesture: true,
fromWorkspace: true,
editorOptions: editorOptions
});
return;
}
}
this.openerService.open(uri, { fromUserGesture: true, fromWorkspace: true });
return uri;
}
private _handleResourceOpening(href: string) {
let linkToOpen: URI | undefined = undefined;
if (href.startsWith('/')) {
linkToOpen = URI.parse(href);
} else if (href.startsWith('~')) {
const userHome = this.pathService.resolvedUserHome;
if (userHome) {
linkToOpen = URI.parse(osPath.join(userHome.fsPath, href.substring(1)));
}
} else {
if (this.documentUri.scheme === Schemas.untitled) {
const folders = this.workspaceContextService.getWorkspace().folders;
if (!folders.length) {
return;
}
linkToOpen = URI.joinPath(folders[0].uri, href);
} else {
// Resolve relative to notebook document
linkToOpen = URI.joinPath(dirname(this.documentUri), href);
}
}
if (linkToOpen) {
this._openUri(linkToOpen);
}
}
private _openUri(uri: URI) {
let lineNumber: number | undefined = undefined;
let column: number | undefined = undefined;
const lineCol = LINE_COLUMN_REGEX.exec(uri.path);
if (lineCol) {
uri = uri.with({
path: uri.path.slice(0, lineCol.index),
fragment: `L${lineCol[0].slice(1)}`
});
lineNumber = parseInt(lineCol[1], 10);
column = parseInt(lineCol[2], 10);
}
//#region error renderer migration, remove once done
const lineMatch = LineQueryRegex.exec(uri.query);
if (lineMatch) {
const parsedLineNumber = parseInt(lineMatch[1], 10);
if (!isNaN(parsedLineNumber)) {
lineNumber = parsedLineNumber + 1;
column = 1;
uri = uri.with({ fragment: `L${lineNumber}` });
}
}
uri = uri.with({
query: null
});
//#endregion
let match: { group: IEditorGroup; editor: EditorInput } | undefined = undefined;
for (const group of this.editorGroupService.groups) {
const editorInput = group.editors.find(editor => editor.resource && isEqual(editor.resource, uri, true));
if (editorInput) {
match = { group, editor: editorInput };
break;
}
}
if (match) {
match.group.openEditor(match.editor, lineNumber !== undefined && column !== undefined ? <ITextEditorOptions>{ selection: { startLineNumber: lineNumber, startColumn: column } } : undefined);
} else {
this.openerService.open(uri, { fromUserGesture: true, fromWorkspace: true });
}
}
private _handleHighlightCodeBlock(codeBlocks: ReadonlyArray<ICodeBlockHighlightRequest>) {
for (const { id, value, lang } of codeBlocks) {
// The language id may be a language aliases (e.g.js instead of javascript)
const languageId = this.languageService.getLanguageIdByLanguageName(lang);
if (!languageId) {
continue;
}
tokenizeToString(this.languageService, value, languageId).then((html) => {
if (this._disposed) {
return;
}
this._sendMessageToWebview({
type: 'tokenizedCodeBlock',
html,
codeBlockId: id
});
});
}
}
private async _onDidClickDataLink(event: IClickedDataUrlMessage): Promise<void> {
if (typeof event.data !== 'string') {
return;
}
const [splitStart, splitData] = event.data.split(';base64,');
if (!splitData || !splitStart) {
return;
}
const defaultDir = this.documentUri.scheme === Schemas.vscodeInteractive ?
this.workspaceContextService.getWorkspace().folders[0]?.uri ?? await this.fileDialogService.defaultFilePath() :
dirname(this.documentUri);
let defaultName: string;
if (event.downloadName) {
defaultName = event.downloadName;
} else {
const mimeType = splitStart.replace(/^data:/, '');
const candidateExtension = mimeType && getExtensionForMimeType(mimeType);
defaultName = candidateExtension ? `download${candidateExtension}` : 'download';
}
const defaultUri = joinPath(defaultDir, defaultName);
const newFileUri = await this.fileDialogService.showSaveDialog({
defaultUri
});
if (!newFileUri) {
return;
}
const buff = decodeBase64(splitData);
await this.fileService.writeFile(newFileUri, buff);
await this.openerService.open(newFileUri);
}