Merge from vscode 64980ea1f3f532c82bb6c28d27bba9ef2c5b4463 (#7206)

* Merge from vscode 64980ea1f3f532c82bb6c28d27bba9ef2c5b4463 * fix config changes * fix strictnull checks
2026-02-16 02:48:30 -05:00 · 2019-09-15 22:38:26 -07:00
parent fa6c52699e
commit ea0f9e6ce9
1226 changed files with 21541 additions and 17633 deletions
--- a/extensions/image-preview/src/preview.ts
+++ b/extensions/image-preview/src/preview.ts
@@ -0,0 +1,113 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import { SizeStatusBarEntry } from './sizeStatusBarEntry';
+import { ZoomStatusBarEntry } from './zoomStatusBarEntry';
+import { Disposable } from './dispose';
+
+export class Preview extends Disposable {
+
+	public static readonly viewType = 'imagePreview.previewEditor';
+
+	private _active = true;
+
+	constructor(
+		private readonly extensionRoot: vscode.Uri,
+		resource: vscode.Uri,
+		private readonly webviewEditor: vscode.WebviewEditor,
+		private readonly sizeStatusBarEntry: SizeStatusBarEntry,
+		private readonly zoomStatusBarEntry: ZoomStatusBarEntry,
+	) {
+		super();
+		const resourceRoot = resource.with({
+			path: resource.path.replace(/\/[^\/]+?\.\w+$/, '/'),
+		});
+
+		webviewEditor.webview.options = {
+			enableScripts: true,
+			localResourceRoots: [
+				resourceRoot,
+				extensionRoot,
+			]
+		};
+
+		webviewEditor.webview.html = this.getWebiewContents(webviewEditor, resource);
+
+		this._register(webviewEditor.webview.onDidReceiveMessage(message => {
+			switch (message.type) {
+				case 'size':
+					{
+						this.sizeStatusBarEntry.update(message.value);
+						break;
+					}
+				case 'zoom':
+					{
+						this.zoomStatusBarEntry.update(message.value);
+						break;
+					}
+			}
+		}));
+
+		this._register(zoomStatusBarEntry.onDidChangeScale(e => {
+			this.webviewEditor.webview.postMessage({ type: 'setScale', scale: e.scale });
+		}));
+
+		this._register(webviewEditor.onDidChangeViewState(() => {
+			this.update();
+		}));
+		this._register(webviewEditor.onDidDispose(() => {
+			if (this._active) {
+				this.sizeStatusBarEntry.hide();
+				this.zoomStatusBarEntry.hide();
+			}
+		}));
+		this.update();
+	}
+
+	private update() {
+		this._active = this.webviewEditor.active;
+		if (this._active) {
+			this.sizeStatusBarEntry.show();
+			this.zoomStatusBarEntry.show();
+		} else {
+			this.sizeStatusBarEntry.hide();
+			this.zoomStatusBarEntry.hide();
+		}
+	}
+
+	private getWebiewContents(webviewEditor: vscode.WebviewEditor, resource: vscode.Uri): string {
+		const settings = {
+			isMac: process.platform === 'darwin'
+		};
+
+		return /* html */`<!DOCTYPE html>
+<html lang="en">
+<head>
+	<meta charset="UTF-8">
+	<meta name="viewport" content="width=device-width, initial-scale=1.0">
+	<meta http-equiv="X-UA-Compatible" content="ie=edge">
+	<title>Image Preview</title>
+	<link rel="stylesheet" class="code-user-style" href="${escapeAttribute(this.extensionResource('/media/main.css'))}" type="text/css" media="screen">
+
+	<meta id="image-preview-settings" data-settings="${escapeAttribute(JSON.stringify(settings))}">
+</head>
+<body class="container image scale-to-fit">
+	<img src="${escapeAttribute(webviewEditor.webview.asWebviewUri(resource))}">
+	<script src="${escapeAttribute(this.extensionResource('/media/main.js'))}"></script>
+</body>
+</html>`;
+	}
+
+	private extensionResource(path: string) {
+		return this.webviewEditor.webview.asWebviewUri(this.extensionRoot.with({
+			path: this.extensionRoot.path + path
+		}));
+	}
+}
+
+function escapeAttribute(value: string | vscode.Uri): string {
+	return value.toString().replace(/"/g, '&quot;');
+}