From fca99d6126c31fbb18ed9f1034cee6f940b040e8 Mon Sep 17 00:00:00 2001
From: Maze Winther <mazewinther@gmail.com>
Date: Tue, 10 Feb 2026 16:28:21 +0100
Subject: refactor

---
 .../editor/panels/timeline/timeline-playhead.tsx   | 92 ++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx

(limited to 'apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx')

diff --git a/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx b/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx
new file mode 100644
index 00000000..8af35dc9
--- /dev/null
+++ b/apps/web/src/components/editor/panels/timeline/timeline-playhead.tsx
@@ -0,0 +1,92 @@
+"use client";
+
+import { useRef } from "react";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+import { useTimelinePlayhead } from "@/hooks/timeline/use-timeline-playhead";
+import { useEditor } from "@/hooks/use-editor";
+
+interface TimelinePlayheadProps {
+	zoomLevel: number;
+	rulerRef: React.RefObject<HTMLDivElement | null>;
+	rulerScrollRef: React.RefObject<HTMLDivElement | null>;
+	tracksScrollRef: React.RefObject<HTMLDivElement | null>;
+	timelineRef: React.RefObject<HTMLDivElement | null>;
+	playheadRef?: React.RefObject<HTMLDivElement | null>;
+	isSnappingToPlayhead?: boolean;
+}
+
+export function TimelinePlayhead({
+	zoomLevel,
+	rulerRef,
+	rulerScrollRef,
+	tracksScrollRef,
+	timelineRef,
+	playheadRef: externalPlayheadRef,
+	isSnappingToPlayhead = false,
+}: TimelinePlayheadProps) {
+	const editor = useEditor();
+	const duration = editor.timeline.getTotalDuration();
+	const internalPlayheadRef = useRef<HTMLDivElement>(null);
+	const playheadRef = externalPlayheadRef || internalPlayheadRef;
+
+	const { playheadPosition, handlePlayheadMouseDown } = useTimelinePlayhead({
+		zoomLevel,
+		rulerRef,
+		rulerScrollRef,
+		tracksScrollRef,
+		playheadRef,
+	});
+
+	const timelineContainerHeight =
+		tracksScrollRef.current?.clientHeight ??
+		timelineRef.current?.clientHeight ??
+		400;
+	const totalHeight = Math.max(0, timelineContainerHeight - 4);
+
+	const timelinePosition =
+		playheadPosition * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
+	const leftPosition = timelinePosition;
+
+	const handlePlayheadKeyDown = (
+		event: React.KeyboardEvent<HTMLDivElement>,
+	) => {
+		if (event.key !== "ArrowLeft" && event.key !== "ArrowRight") return;
+
+		event.preventDefault();
+		const step = 1 / Math.max(1, editor.project.getActive().settings.fps);
+		const direction = event.key === "ArrowRight" ? 1 : -1;
+		const nextTime = Math.max(
+			0,
+			Math.min(duration, playheadPosition + direction * step),
+		);
+
+		editor.playback.seek({ time: nextTime });
+	};
+
+	return (
+		<div
+			ref={playheadRef}
+			role="slider"
+			aria-label="Timeline playhead"
+			aria-valuemin={0}
+			aria-valuemax={duration}
+			aria-valuenow={playheadPosition}
+			tabIndex={0}
+			className="pointer-events-auto absolute z-60"
+			style={{
+				left: `${leftPosition}px`,
+				top: 0,
+				height: `${totalHeight}px`,
+				width: "2px",
+			}}
+			onMouseDown={handlePlayheadMouseDown}
+			onKeyDown={handlePlayheadKeyDown}
+		>
+			<div className="bg-foreground absolute left-0 h-full w-0.5 cursor-col-resize" />
+
+			<div
+				className={`absolute top-1 left-1/2 size-3 -translate-x-1/2 transform rounded-full border-2 shadow-xs ${isSnappingToPlayhead ? "bg-foreground border-foreground" : "bg-foreground border-foreground/50"}`}
+			/>
+		</div>
+	);
+}
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