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"use client";
import { SnapPoint } from "@/hooks/use-timeline-snapping";
import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
import type { TimelineTrack } from "@/types/timeline";
interface SnapIndicatorProps {
snapPoint: SnapPoint | null;
zoomLevel: number;
isVisible: boolean;
tracks: TimelineTrack[];
timelineRef: React.RefObject<HTMLDivElement>;
trackLabelsRef?: React.RefObject<HTMLDivElement>;
}
export function SnapIndicator({
snapPoint,
zoomLevel,
isVisible,
tracks,
timelineRef,
trackLabelsRef,
}: SnapIndicatorProps) {
if (!isVisible || !snapPoint) {
return null;
}
const timelineContainerHeight = timelineRef.current?.offsetHeight || 400;
const totalHeight = timelineContainerHeight - 8; // 8px padding from edges
// Get dynamic track labels width, fallback to 0 if no tracks or no ref
const trackLabelsWidth =
tracks.length > 0 && trackLabelsRef?.current
? trackLabelsRef.current.offsetWidth
: 0;
const leftPosition =
trackLabelsWidth +
snapPoint.time * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
return (
<div
className="absolute pointer-events-none z-[90] ml-48"
style={{
left: `${leftPosition}px`,
top: 0,
height: `${totalHeight}px`,
width: "2px",
}}
>
<div className={`w-0.5 h-full bg-primary/40 opacity-80`} />
</div>
);
}
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