158 lines
5.0 KiB
TypeScript
158 lines
5.0 KiB
TypeScript
/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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import * as vscode from 'vscode';
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import * as nls from 'vscode-nls';
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import { Disposable } from './dispose';
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const localize = nls.loadMessageBundle();
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export interface ShowOptions {
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readonly preserveFocus?: boolean;
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readonly viewColumn?: vscode.ViewColumn;
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}
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export class SimpleBrowserView extends Disposable {
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public static readonly viewType = 'simpleBrowser.view';
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private static readonly title = localize('view.title', "Simple Browser");
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private readonly _webviewPanel: vscode.WebviewPanel;
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private readonly _onDidDispose = this._register(new vscode.EventEmitter<void>());
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public readonly onDispose = this._onDidDispose.event;
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constructor(
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private readonly extensionUri: vscode.Uri,
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url: string,
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showOptions?: ShowOptions
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) {
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super();
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this._webviewPanel = this._register(vscode.window.createWebviewPanel(SimpleBrowserView.viewType, SimpleBrowserView.title, {
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viewColumn: showOptions?.viewColumn ?? vscode.ViewColumn.Active,
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preserveFocus: showOptions?.preserveFocus
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}, {
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enableScripts: true,
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retainContextWhenHidden: true,
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localResourceRoots: [
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vscode.Uri.joinPath(extensionUri, 'media')
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]
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}));
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this._register(this._webviewPanel.webview.onDidReceiveMessage(e => {
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switch (e.type) {
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case 'openExternal':
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try {
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const url = vscode.Uri.parse(e.url);
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vscode.env.openExternal(url);
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} catch {
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// Noop
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}
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break;
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}
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}));
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this._register(this._webviewPanel.onDidDispose(() => {
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this.dispose();
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}));
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this._register(vscode.workspace.onDidChangeConfiguration(e => {
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if (e.affectsConfiguration('simpleBrowser.focusLockIndicator.enabled')) {
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const configuration = vscode.workspace.getConfiguration('simpleBrowser');
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this._webviewPanel.webview.postMessage({
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type: 'didChangeFocusLockIndicatorEnabled',
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focusLockEnabled: configuration.get<boolean>('focusLockIndicator.enabled', true)
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});
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}
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}));
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this.show(url);
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}
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public dispose() {
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this._onDidDispose.fire();
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super.dispose();
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}
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public show(url: string, options?: ShowOptions) {
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this._webviewPanel.webview.html = this.getHtml(url);
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this._webviewPanel.reveal(options?.viewColumn, options?.preserveFocus);
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}
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private getHtml(url: string) {
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const configuration = vscode.workspace.getConfiguration('simpleBrowser');
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const nonce = new Date().getTime() + '' + new Date().getMilliseconds();
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const mainJs = this.extensionResourceUrl('media', 'index.js');
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const mainCss = this.extensionResourceUrl('media', 'main.css');
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const codiconsUri = this.extensionResourceUrl('media', 'codicon.css');
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const codiconsFontUri = this.extensionResourceUrl('media', 'codicon.ttf');
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return /* html */ `<!DOCTYPE html>
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<html>
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<head>
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<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
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<meta http-equiv="Content-Security-Policy" content="
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default-src 'none';
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font-src ${codiconsFontUri};
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style-src ${this._webviewPanel.webview.cspSource};
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script-src 'nonce-${nonce}';
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frame-src *;
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">
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<meta id="simple-browser-settings" data-settings="${escapeAttribute(JSON.stringify({
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url: url,
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focusLockEnabled: configuration.get<boolean>('focusLockIndicator.enabled', true)
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}))}">
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<link rel="stylesheet" type="text/css" href="${mainCss}">
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<link rel="stylesheet" type="text/css" href="${codiconsUri}">
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</head>
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<body>
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<header class="header">
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<nav class="controls">
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<button
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title="${localize('control.back.title', "Back")}"
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class="back-button icon"><i class="codicon codicon-arrow-left"></i></button>
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<button
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title="${localize('control.forward.title', "Forward")}"
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class="forward-button icon"><i class="codicon codicon-arrow-right"></i></button>
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<button
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title="${localize('control.reload.title', "Reload")}"
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class="reload-button icon"><i class="codicon codicon-refresh"></i></button>
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</nav>
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<input class="url-input" type="text">
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<nav class="controls">
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<button
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title="${localize('control.openExternal.title', "Open in browser")}"
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class="open-external-button icon"><i class="codicon codicon-link-external"></i></button>
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</nav>
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</header>
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<div class="content">
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<div class="iframe-focused-alert">${localize('view.iframe-focused', "Focus Lock")}</div>
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<iframe sandbox="allow-scripts allow-forms allow-same-origin"></iframe>
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</div>
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<script src="${mainJs}" nonce="${nonce}"></script>
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</body>
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</html>`;
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}
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private extensionResourceUrl(...parts: string[]): vscode.Uri {
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return this._webviewPanel.webview.asWebviewUri(vscode.Uri.joinPath(this.extensionUri, ...parts));
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}
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}
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function escapeAttribute(value: string | vscode.Uri): string {
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return value.toString().replace(/"/g, '"');
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}
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