Listen to window change and pass through to ScreenDprMonitor

src/browser/services/CoreBrowserService.ts

@@ -3,23 +3,42 @@
  * @license MIT
  */
 
+import { Disposable } from 'common/Lifecycle';
 import { ICoreBrowserService } from './Services';
+import { EventEmitter } from 'common/EventEmitter';
 
-export class CoreBrowserService implements ICoreBrowserService {
+export class CoreBrowserService extends Disposable implements ICoreBrowserService {
   public serviceBrand: undefined;
 
   private _isFocused = false;
   private _cachedIsFocused: boolean | undefined = undefined;
 
+  private readonly _onWindowChange = this.register(new EventEmitter<Window & typeof globalThis>());
+  public readonly onWindowChange = this._onWindowChange.event;
+
   constructor(
     private _textarea: HTMLTextAreaElement,
-    public readonly window: Window & typeof globalThis,
+    // TODO: Add getter and setter and event
+    private _window: Window & typeof globalThis,
     public readonly mainDocument: Document
   ) {
+    super();
+
     this._textarea.addEventListener('focus', () => this._isFocused = true);
     this._textarea.addEventListener('blur', () => this._isFocused = false);
   }
 
+  public get window(): Window & typeof globalThis {
+    return this._window;
+  }
+
+  public set window(value: Window & typeof globalThis) {
+    if (this._window !== value) {
+      this._window = value;
+      this._onWindowChange.fire(this._window);
+    }
+  }
+
   public get dpr(): number {
     return this.window.devicePixelRatio;
   }