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refactor: Update playhead auto-scroll buffer and remove conflicting sync

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This commit is contained in:
Karan Singh
2025-06-27 00:50:37 +05:30
parent 17ef810074
commit f3c45ee892
1 changed files with 4 additions and 8 deletions
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12
apps/web/src/components/editor/timeline.tsx
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@ -611,7 +611,7 @@ export function Timeline() {
rulerViewport.removeEventListener('scroll', handleRulerScroll);
tracksViewport.removeEventListener('scroll', handleTracksScroll);
};
}, [duration, zoomLevel]);
}, []);
// --- Playhead auto-scroll effect ---
useEffect(() => {
@ -622,21 +622,17 @@ export function Timeline() {
const viewportWidth = rulerViewport.clientWidth;
const scrollMin = 0;
const scrollMax = rulerViewport.scrollWidth - viewportWidth;
// Center the playhead if it's not visible (60px buffer)
// Center the playhead if it's not visible (100px buffer)
const desiredScroll = Math.max(
scrollMin,
Math.min(scrollMax, playheadPx - viewportWidth / 2)
);
if (
playheadPx < rulerViewport.scrollLeft + 60 ||
playheadPx > rulerViewport.scrollLeft + viewportWidth - 60
playheadPx < rulerViewport.scrollLeft + 100 ||
playheadPx > rulerViewport.scrollLeft + viewportWidth - 100
) {
rulerViewport.scrollLeft = tracksViewport.scrollLeft = desiredScroll;
}
// Keep both scrolls in sync
if (rulerViewport.scrollLeft !== tracksViewport.scrollLeft) {
rulerViewport.scrollLeft = tracksViewport.scrollLeft = Math.max(rulerViewport.scrollLeft, tracksViewport.scrollLeft);
}
}, [playheadPosition, duration, zoomLevel]);
return (