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Aux window: Enable screencast mode support (fix #196087) (#197047)

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This commit is contained in:
Benjamin Pasero
2023-10-31 09:10:23 +01:00
committed by GitHub
parent 5240f7230a
commit 8e991e784c
11 changed files with 116 additions and 52 deletions
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61
src/vs/base/browser/dom.ts
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@@ -18,23 +18,38 @@ import * as platform from 'vs/base/common/platform';
import { URI } from 'vs/base/common/uri';
import { hash } from 'vs/base/common/hash';
type WindowGlobal = Window & typeof globalThis;
interface IWindow {
readonly window: WindowGlobal;
readonly disposables: DisposableStore;
}
export const { registerWindow, getWindows, getWindowsCount, onDidRegisterWindow, onWillUnregisterWindow, onDidUnregisterWindow } = (function () {
const windows = new Set([window]);
const onDidRegisterWindow = new event.Emitter<{ window: Window & typeof globalThis; disposables: DisposableStore }>();
const onDidUnregisterWindow = new event.Emitter<Window & typeof globalThis>();
const onWillUnregisterWindow = new event.Emitter<Window & typeof globalThis>();
const windows = new Map<WindowGlobal, IWindow>();
windows.set(window, { window, disposables: new DisposableStore() });
const onDidRegisterWindow = new event.Emitter<IWindow>();
const onDidUnregisterWindow = new event.Emitter<WindowGlobal>();
const onWillUnregisterWindow = new event.Emitter<WindowGlobal>();
return {
onDidRegisterWindow: onDidRegisterWindow.event,
onWillUnregisterWindow: onWillUnregisterWindow.event,
onDidUnregisterWindow: onDidUnregisterWindow.event,
registerWindow(window: Window & typeof globalThis): IDisposable {
registerWindow(window: WindowGlobal): IDisposable {
if (windows.has(window)) {
return Disposable.None;
}
windows.add(window);
const disposables = new DisposableStore();
const registeredWindow = {
window,
disposables: disposables.add(new DisposableStore())
};
windows.set(window, registeredWindow);
disposables.add(toDisposable(() => {
windows.delete(window);
onDidUnregisterWindow.fire(window);
@@ -44,14 +59,12 @@ export const { registerWindow, getWindows, getWindowsCount, onDidRegisterWindow,
onWillUnregisterWindow.fire(window);
}));
const eventDisposables = new DisposableStore();
disposables.add(eventDisposables);
onDidRegisterWindow.fire({ window, disposables: eventDisposables });
onDidRegisterWindow.fire(registeredWindow);
return disposables;
},
getWindows(): Iterable<Window & typeof globalThis> {
return windows;
getWindows(): Iterable<IWindow> {
return windows.values();
},
getWindowsCount(): number {
return windows.size;
@@ -758,19 +771,19 @@ export function getActiveDocument(): Document {
return document;
}
const documents = Array.from(getWindows()).map(window => window.document);
return documents.find(doc => doc.hasFocus()) ?? document;
const documents = Array.from(getWindows()).map(({ window }) => window.document);
return documents.find(document => document.hasFocus()) ?? document;
}
export function getActiveWindow(): Window & typeof globalThis {
export function getActiveWindow(): WindowGlobal {
const document = getActiveDocument();
return document.defaultView?.window ?? window;
}
export function getWindow(element: Node): Window & typeof globalThis;
export function getWindow(event: UIEvent): Window & typeof globalThis;
export function getWindow(obj: unknown): Window & typeof globalThis;
export function getWindow(e: unknown): Window & typeof globalThis {
export function getWindow(element: Node): WindowGlobal;
export function getWindow(event: UIEvent): WindowGlobal;
export function getWindow(obj: unknown): WindowGlobal;
export function getWindow(e: unknown): WindowGlobal {
const candidateNode = e as Node | undefined;
if (candidateNode?.ownerDocument?.defaultView) {
return candidateNode.ownerDocument.defaultView.window;
@@ -805,19 +818,13 @@ export function createStyleSheet(container: HTMLElement = document.head, beforeA
// With <head> as container, the stylesheet becomes global and is tracked
// to support auxiliary windows to clone the stylesheet.
if (container === document.head) {
for (const targetWindow of getWindows()) {
for (const { window: targetWindow, disposables } of getWindows()) {
if (targetWindow === window) {
continue; // main window is already tracked
}
const cloneDisposable = cloneGlobalStyleSheet(style, targetWindow);
const cloneDisposable = disposables.add(cloneGlobalStyleSheet(style, targetWindow));
disposableStore?.add(cloneDisposable);
disposableStore?.add(event.Event.once(onDidUnregisterWindow)(unregisteredWindow => {
if (unregisteredWindow === targetWindow) {
cloneDisposable.dispose();
}
}));
}
}