Mobile: Add a Rich Text Editor (#12748)

packages/app-mobile/contentScripts/rendererBundle/contentScript/utils/afterFullPageRender.ts

@@ -0,0 +1,45 @@
+import { RenderSettings, RendererSetupOptions } from '../Renderer';
+import { WebViewLib } from '../types';
+
+interface ExtendedWindow extends Window {
+	webviewLib: WebViewLib;
+}
+
+declare const window: ExtendedWindow;
+
+const afterFullPageRender = (
+	setupOptions: RendererSetupOptions,
+	renderSettings: RenderSettings,
+) => {
+	const readyStateCheckInterval = setInterval(() => {
+		if (document.readyState === 'complete') {
+			clearInterval(readyStateCheckInterval);
+			if (setupOptions.settings.resourceDownloadMode === 'manual') {
+				window.webviewLib.setupResourceManualDownload();
+			}
+
+			const hash = renderSettings.noteHash;
+			const initialScroll = renderSettings.initialScroll;
+
+			// Don't scroll to a hash if we're given initial scroll (initial scroll
+			// overrides scrolling to a hash).
+			if ((initialScroll ?? null) !== null) {
+				const scrollingElement = document.scrollingElement ?? document.documentElement;
+				scrollingElement.scrollTop = initialScroll;
+			} else if (hash) {
+				// Gives it a bit of time before scrolling to the anchor
+				// so that images are loaded.
+				setTimeout(() => {
+					const e = document.getElementById(hash);
+					if (!e) {
+						console.warn('Cannot find hash', hash);
+						return;
+					}
+					e.scrollIntoView();
+				}, 500);
+			}
+		}
+	}, 10);
+};
+
+export default afterFullPageRender;