feat(chrome-extension): streamline recording bar into compact draggable badge on recording start

apps/chrome-extension/src/background/service-worker.ts

@@ -501,7 +501,7 @@ const shouldAutoPipCaptureSource = (source: RecordingCaptureSource) =>
 	isWindowCaptureSource(source) && !isLikelyBrowserWindow(source);
 
 const isWebcamPreviewEnabled = (settings: ExtensionSettings) =>
-	settings.webcam.enabled && Boolean(settings.webcam.deviceId);
+	Boolean(settings.webcam.enabled);
 
 const shouldShowWebcamPreview = async (
 	settings: ExtensionSettings,
@@ -817,6 +817,29 @@ const broadcastOverlayHide = async () => {
 	pendingPreviewTabId = null;
 };
 
+const broadcastOverlayCountdown = async (
+	seconds: number,
+	durationMs: number,
+) => {
+	const tabs = await getTabs();
+	await Promise.all(
+		tabs.map((tab) => {
+			if (!canInjectIntoTab(tab) || tab.id === undefined) {
+				return undefined;
+			}
+			return sendOverlay(
+				tab.id,
+				{
+					type: "overlay-countdown",
+					seconds,
+					durationMs,
+				},
+				false,
+			).catch(() => undefined);
+		}),
+	);
+};
+
 const broadcastRecordingStatusToTabs = async (status: RecordingStatus) => {
 	const message: RecordingStatusBroadcast = {
 		target: "recording-status",
@@ -1621,6 +1644,15 @@ const handleRequest = async (
 			: { ok: false, error: response.error };
 	}
 
+	if (message.type === "toggle-microphone-mute") {
+		const response = await sendOffscreen({
+			target: "offscreen",
+			type: "toggle-microphone-mute",
+			muted: message.muted,
+		});
+		return response;
+	}
+
 	if (message.type === "open-options") {
 		chrome.tabs.create({ url: chrome.runtime.getURL("options.html") });
 		return { ok: true };
@@ -1737,17 +1769,7 @@ const handleRequest = async (
 	}
 
 	if (message.type === "show-countdown") {
-		// Relay the offscreen recorder's countdown to the recorded tab. Inject
-		// the overlay if it is not there yet; a tab that cannot host it (e.g. a
-		// chrome:// page) just shows nothing while the recorder waits out the
-		// same countdown, so the count is still kept out of the capture.
-		if (message.tabId !== undefined) {
-			void sendOverlay(message.tabId, {
-				type: "overlay-countdown",
-				seconds: message.seconds,
-				durationMs: message.durationMs,
-			}).catch(() => undefined);
-		}
+		await broadcastOverlayCountdown(message.seconds, message.durationMs);
 		return { ok: true };
 	}
 

apps/chrome-extension/src/content/blur-overlay.tsx

@@ -0,0 +1,137 @@
+import { useEffect, useRef, useState } from "react";
+
+type HighlightRect = {
+	top: number;
+	left: number;
+	width: number;
+	height: number;
+};
+
+type BlurOverlayProps = {
+	active: boolean;
+	onDone: () => void;
+};
+
+const OVERLAY_ROOT_ID = "cap-extension-recorder-overlay";
+
+export function BlurOverlay({ active, onDone }: BlurOverlayProps) {
+	const [highlightRect, setHighlightRect] = useState<HighlightRect | null>(
+		null,
+	);
+	const rafRef = useRef<number | null>(null);
+
+	useEffect(() => {
+		if (!active) {
+			setHighlightRect(null);
+			return;
+		}
+
+		const handlePointerMove = (event: PointerEvent) => {
+			if (rafRef.current !== null) return;
+			rafRef.current = window.requestAnimationFrame(() => {
+				rafRef.current = null;
+				const target = document.elementFromPoint(
+					event.clientX,
+					event.clientY,
+				) as HTMLElement | null;
+
+				if (!target || target.closest(`#${OVERLAY_ROOT_ID}`)) {
+					setHighlightRect(null);
+					return;
+				}
+
+				const rect = target.getBoundingClientRect();
+				if (rect.width <= 0 || rect.height <= 0) {
+					setHighlightRect(null);
+					return;
+				}
+
+				setHighlightRect({
+					top: rect.top,
+					left: rect.left,
+					width: rect.width,
+					height: rect.height,
+				});
+			});
+		};
+
+		const handleClick = (event: MouseEvent) => {
+			const target = document.elementFromPoint(
+				event.clientX,
+				event.clientY,
+			) as HTMLElement | null;
+
+			if (!target || target.closest(`#${OVERLAY_ROOT_ID}`)) {
+				return;
+			}
+
+			event.preventDefault();
+			event.stopPropagation();
+
+			if (target.dataset.capBlurred === "true") {
+				const orig = target.dataset.capOrigFilter ?? "";
+				if (orig) {
+					target.style.filter = orig;
+				} else {
+					target.style.removeProperty("filter");
+				}
+				target.style.removeProperty("user-select");
+				delete target.dataset.capBlurred;
+				delete target.dataset.capOrigFilter;
+			} else {
+				target.dataset.capOrigFilter = target.style.filter || "";
+				target.style.setProperty("filter", "blur(12px)", "important");
+				target.style.setProperty("user-select", "none", "important");
+				target.dataset.capBlurred = "true";
+			}
+		};
+
+		const handleKeyDown = (event: KeyboardEvent) => {
+			if (event.key === "Escape") {
+				event.preventDefault();
+				event.stopPropagation();
+				onDone();
+			}
+		};
+
+		window.addEventListener("pointermove", handlePointerMove, {
+			capture: true,
+			passive: true,
+		});
+		window.addEventListener("click", handleClick, {
+			capture: true,
+		});
+		window.addEventListener("keydown", handleKeyDown, { capture: true });
+
+		return () => {
+			if (rafRef.current !== null) {
+				window.cancelAnimationFrame(rafRef.current);
+				rafRef.current = null;
+			}
+			window.removeEventListener("pointermove", handlePointerMove, {
+				capture: true,
+			});
+			window.removeEventListener("click", handleClick, {
+				capture: true,
+			});
+			window.removeEventListener("keydown", handleKeyDown, { capture: true });
+		};
+	}, [active, onDone]);
+
+	if (!active || !highlightRect) return null;
+
+	return (
+		<div
+			className="cap-extension-blur-highlight"
+			style={{
+				top: `${highlightRect.top}px`,
+				left: `${highlightRect.left}px`,
+				width: `${highlightRect.width}px`,
+				height: `${highlightRect.height}px`,
+			}}
+			aria-hidden
+		>
+			<span className="cap-extension-blur-tooltip">Click to blur / unblur</span>
+		</div>
+	);
+}