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authorMaze Winther <mazewinther@gmail.com>2026-04-20 11:31:17 +0200
committerMaze Winther <mazewinther@gmail.com>2026-04-20 11:31:17 +0200
commit3e89d2998588f8e35c524e523ba2ee853f0f6475 (patch)
tree57221f96c1259b3b07e3ddf8c1adefc502b9d8eb /apps/web/src/hooks/timeline/use-timeline-seek.ts
parent729d10592f4e802f91c555c309ff3ba4b119f843 (diff)
downloadopencut-3e89d2998588f8e35c524e523ba2ee853f0f6475.tar.gz
refactor: restructure files to their domains, new preview overlay system, and dep graph
Diffstat (limited to 'apps/web/src/hooks/timeline/use-timeline-seek.ts')
-rw-r--r--apps/web/src/hooks/timeline/use-timeline-seek.ts196
1 files changed, 0 insertions, 196 deletions
diff --git a/apps/web/src/hooks/timeline/use-timeline-seek.ts b/apps/web/src/hooks/timeline/use-timeline-seek.ts
deleted file mode 100644
index 756ec7ee..00000000
--- a/apps/web/src/hooks/timeline/use-timeline-seek.ts
+++ /dev/null
@@ -1,196 +0,0 @@
-import { useCallback, useRef } from "react";
-import type { MutableRefObject, RefObject } from "react";
-import { BASE_TIMELINE_PIXELS_PER_SECOND } from "@/lib/timeline/scale";
-import { snappedSeekTime } from "opencut-wasm";
-import { TICKS_PER_SECOND } from "@/lib/wasm";
-import { useEditor } from "../use-editor";
-
-interface UseTimelineSeekProps {
- playheadRef: RefObject<HTMLDivElement | null>;
- trackLabelsRef: RefObject<HTMLDivElement | null>;
- rulerScrollRef: RefObject<HTMLDivElement | null>;
- tracksScrollRef: RefObject<HTMLDivElement | null>;
- zoomLevel: number;
- duration: number;
- isSelecting: boolean;
- clearSelectedElements: () => void;
- seek: (time: number) => void;
-}
-
-function resetMouseTracking({
- mouseTrackingRef,
-}: {
- mouseTrackingRef: MutableRefObject<{
- isMouseDown: boolean;
- downX: number;
- downY: number;
- downTime: number;
- }>;
-}) {
- mouseTrackingRef.current = {
- isMouseDown: false,
- downX: 0,
- downY: 0,
- downTime: 0,
- };
-}
-
-function setMouseTracking({
- mouseTrackingRef,
- event,
-}: {
- mouseTrackingRef: MutableRefObject<{
- isMouseDown: boolean;
- downX: number;
- downY: number;
- downTime: number;
- }>;
- event: React.MouseEvent;
-}) {
- mouseTrackingRef.current = {
- isMouseDown: true,
- downX: event.clientX,
- downY: event.clientY,
- downTime: event.timeStamp,
- };
-}
-
-export function useTimelineSeek({
- playheadRef,
- trackLabelsRef,
- rulerScrollRef,
- tracksScrollRef,
- zoomLevel,
- duration,
- isSelecting,
- clearSelectedElements,
- seek,
-}: UseTimelineSeekProps) {
- const editor = useEditor();
- const activeProject = editor.project.getActive();
-
- const mouseTrackingRef = useRef({
- isMouseDown: false,
- downX: 0,
- downY: 0,
- downTime: 0,
- });
-
- const handleTracksMouseDown = useCallback((event: React.MouseEvent) => {
- if (event.button !== 0) return;
- setMouseTracking({ mouseTrackingRef, event });
- }, []);
-
- const handleRulerMouseDown = useCallback((event: React.MouseEvent) => {
- if (event.button !== 0) return;
- setMouseTracking({ mouseTrackingRef, event });
- }, []);
-
- const shouldProcessTimelineClick = useCallback(
- ({ event }: { event: React.MouseEvent }) => {
- const target = event.target as HTMLElement;
- const { isMouseDown, downX, downY, downTime } = mouseTrackingRef.current;
- const deltaX = Math.abs(event.clientX - downX);
- const deltaY = Math.abs(event.clientY - downY);
- const deltaTime = event.timeStamp - downTime;
- const isPlayhead = !!playheadRef.current?.contains(target);
- const isTrackLabels = !!trackLabelsRef.current?.contains(target);
- const shouldBlockForDrag = deltaX > 5 || deltaY > 5 || deltaTime > 500;
-
- if (!isMouseDown) return false;
- if (shouldBlockForDrag) return false;
- if (isSelecting) return false;
- if (isPlayhead) return false;
- if (isTrackLabels) {
- clearSelectedElements();
- return false;
- }
-
- return true;
- },
- [isSelecting, clearSelectedElements, playheadRef, trackLabelsRef],
- );
-
- const handleTimelineSeek = useCallback(
- ({
- event,
- source,
- }: {
- event: React.MouseEvent;
- source: "ruler" | "tracks";
- }) => {
- const scrollContainer =
- source === "ruler" ? rulerScrollRef.current : tracksScrollRef.current;
-
- if (!scrollContainer) return;
-
- const rect = scrollContainer.getBoundingClientRect();
- const mouseX = event.clientX - rect.left;
- const scrollLeft = scrollContainer.scrollLeft;
-
- const rawTimeSeconds = Math.max(
- 0,
- Math.min(
- duration / TICKS_PER_SECOND,
- (mouseX + scrollLeft) /
- (BASE_TIMELINE_PIXELS_PER_SECOND * zoomLevel),
- ),
- );
- const rawTime = Math.round(rawTimeSeconds * TICKS_PER_SECOND);
-
- const rate = activeProject?.settings.fps;
- const time = rate ? (snappedSeekTime({ time: rawTime, duration, rate }) ?? rawTime) : rawTime;
- seek(time);
- editor.project.setTimelineViewState({
- viewState: {
- zoomLevel,
- scrollLeft: scrollContainer.scrollLeft,
- playheadTime: time,
- },
- });
- },
- [
- duration,
- zoomLevel,
- rulerScrollRef,
- tracksScrollRef,
- seek,
- editor,
- activeProject?.settings.fps.numerator,
- activeProject?.settings.fps.denominator,
- ],
- );
-
- const handleTracksClick = useCallback(
- (event: React.MouseEvent) => {
- const shouldProcess = shouldProcessTimelineClick({ event });
- resetMouseTracking({ mouseTrackingRef });
-
- if (shouldProcess) {
- clearSelectedElements();
- handleTimelineSeek({ event, source: "tracks" });
- }
- },
- [shouldProcessTimelineClick, handleTimelineSeek, clearSelectedElements],
- );
-
- const handleRulerClick = useCallback(
- (event: React.MouseEvent) => {
- const shouldProcess = shouldProcessTimelineClick({ event });
- resetMouseTracking({ mouseTrackingRef });
-
- if (shouldProcess) {
- clearSelectedElements();
- handleTimelineSeek({ event, source: "ruler" });
- }
- },
- [shouldProcessTimelineClick, handleTimelineSeek, clearSelectedElements],
- );
-
- return {
- handleTracksMouseDown,
- handleTracksClick,
- handleRulerMouseDown,
- handleRulerClick,
- };
-}