Merge commit 'be3e8236086165e5e45a5a10783823874b3f3ebd' as 'lib/vscode'

lib/vscode/extensions/image-preview/src/binarySizeStatusBarEntry.ts

@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as vscode from 'vscode';
+import * as nls from 'vscode-nls';
+import { PreviewStatusBarEntry } from './ownedStatusBarEntry';
+
+const localize = nls.loadMessageBundle();
+
+class BinarySize {
+	static readonly KB = 1024;
+	static readonly MB = BinarySize.KB * BinarySize.KB;
+	static readonly GB = BinarySize.MB * BinarySize.KB;
+	static readonly TB = BinarySize.GB * BinarySize.KB;
+
+	static formatSize(size: number): string {
+		if (size < BinarySize.KB) {
+			return localize('sizeB', "{0}B", size);
+		}
+
+		if (size < BinarySize.MB) {
+			return localize('sizeKB', "{0}KB", (size / BinarySize.KB).toFixed(2));
+		}
+
+		if (size < BinarySize.GB) {
+			return localize('sizeMB', "{0}MB", (size / BinarySize.MB).toFixed(2));
+		}
+
+		if (size < BinarySize.TB) {
+			return localize('sizeGB', "{0}GB", (size / BinarySize.GB).toFixed(2));
+		}
+
+		return localize('sizeTB', "{0}TB", (size / BinarySize.TB).toFixed(2));
+	}
+}
+
+export class BinarySizeStatusBarEntry extends PreviewStatusBarEntry {
+
+	constructor() {
+		super({
+			id: 'imagePreview.binarySize',
+			name: localize('sizeStatusBar.name', "Image Binary Size"),
+			alignment: vscode.StatusBarAlignment.Right,
+			priority: 100,
+		});
+	}
+
+	public show(owner: string, size: number | undefined) {
+		if (typeof size === 'number') {
+			super.showItem(owner, BinarySize.formatSize(size));
+		} else {
+			this.hide(owner);
+		}
+	}
+}