Move all impl to scrollable/

2026-02-01 06:25:12 -08:00
parent eea03cf0a9
commit f666135881
36 changed files with 5164 additions and 4 deletions
@@ -0,0 +1,114 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import { GlobalPointerMoveMonitor } from './globalPointerMoveMonitor';
+import { Widget } from './widget';
+import { TimeoutTimer } from './async';
+import * as dom from './dom';
+
+/**
+ * The arrow image size.
+ */
+export const ARROW_IMG_SIZE = 11;
+
+export interface ScrollbarArrowOptions {
+	onActivate: () => void;
+	className: string;
+	// icon: ThemeIcon;
+
+	bgWidth: number;
+	bgHeight: number;
+
+	top?: number;
+	left?: number;
+	bottom?: number;
+	right?: number;
+}
+
+export class ScrollbarArrow extends Widget {
+
+	private _onActivate: () => void;
+	public bgDomNode: HTMLElement;
+	public domNode: HTMLElement;
+	private _pointerdownRepeatTimer: dom.WindowIntervalTimer;
+	private _pointerdownScheduleRepeatTimer: TimeoutTimer;
+	private _pointerMoveMonitor: GlobalPointerMoveMonitor;
+
+	constructor(opts: ScrollbarArrowOptions) {
+		super();
+		this._onActivate = opts.onActivate;
+
+		this.bgDomNode = document.createElement('div');
+		this.bgDomNode.className = 'arrow-background';
+		this.bgDomNode.style.position = 'absolute';
+		this.bgDomNode.style.width = opts.bgWidth + 'px';
+		this.bgDomNode.style.height = opts.bgHeight + 'px';
+		if (typeof opts.top !== 'undefined') {
+			this.bgDomNode.style.top = '0px';
+		}
+		if (typeof opts.left !== 'undefined') {
+			this.bgDomNode.style.left = '0px';
+		}
+		if (typeof opts.bottom !== 'undefined') {
+			this.bgDomNode.style.bottom = '0px';
+		}
+		if (typeof opts.right !== 'undefined') {
+			this.bgDomNode.style.right = '0px';
+		}
+
+		this.domNode = document.createElement('div');
+		this.domNode.className = opts.className;
+		// this.domNode.classList.add(...ThemeIcon.asClassNameArray(opts.icon));
+
+		this.domNode.style.position = 'absolute';
+		this.domNode.style.width = ARROW_IMG_SIZE + 'px';
+		this.domNode.style.height = ARROW_IMG_SIZE + 'px';
+		if (typeof opts.top !== 'undefined') {
+			this.domNode.style.top = opts.top + 'px';
+		}
+		if (typeof opts.left !== 'undefined') {
+			this.domNode.style.left = opts.left + 'px';
+		}
+		if (typeof opts.bottom !== 'undefined') {
+			this.domNode.style.bottom = opts.bottom + 'px';
+		}
+		if (typeof opts.right !== 'undefined') {
+			this.domNode.style.right = opts.right + 'px';
+		}
+
+		this._pointerMoveMonitor = this._register(new GlobalPointerMoveMonitor());
+		this._register(dom.addStandardDisposableListener(this.bgDomNode, dom.EventType.POINTER_DOWN, (e) => this._arrowPointerDown(e)));
+		this._register(dom.addStandardDisposableListener(this.domNode, dom.EventType.POINTER_DOWN, (e) => this._arrowPointerDown(e)));
+
+		this._pointerdownRepeatTimer = this._register(new dom.WindowIntervalTimer());
+		this._pointerdownScheduleRepeatTimer = this._register(new TimeoutTimer());
+	}
+
+	private _arrowPointerDown(e: PointerEvent): void {
+		if (!e.target || !(e.target instanceof Element)) {
+			return;
+		}
+		const scheduleRepeater = () => {
+			this._pointerdownRepeatTimer.cancelAndSet(() => this._onActivate(), 1000 / 24, dom.getWindow(e));
+		};
+
+		this._onActivate();
+		this._pointerdownRepeatTimer.cancel();
+		this._pointerdownScheduleRepeatTimer.cancelAndSet(scheduleRepeater, 200);
+
+		this._pointerMoveMonitor.startMonitoring(
+			e.target,
+			e.pointerId,
+			e.buttons,
+			(pointerMoveData) => { /* Intentional empty */ },
+			() => {
+				this._pointerdownRepeatTimer.cancel();
+				this._pointerdownScheduleRepeatTimer.cancel();
+			}
+		);
+
+		e.preventDefault();
+	}
+}