1016 lines
35 KiB
TypeScript
1016 lines
35 KiB
TypeScript
"use client";
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import { Button } from "../ui/button";
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import {
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Scissors,
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ArrowLeftToLine,
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ArrowRightToLine,
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Trash2,
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Snowflake,
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Copy,
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SplitSquareHorizontal,
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Pause,
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Play,
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Video,
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Music,
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TypeIcon,
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Lock,
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LockOpen,
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Link,
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} from "lucide-react";
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import {
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Tooltip,
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TooltipContent,
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TooltipTrigger,
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TooltipProvider,
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} from "../ui/tooltip";
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import {
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ContextMenu,
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ContextMenuContent,
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ContextMenuItem,
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ContextMenuTrigger,
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} from "../ui/context-menu";
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import { useTimelineStore } from "@/stores/timeline-store";
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import { useMediaStore } from "@/stores/media-store";
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import { usePlaybackStore } from "@/stores/playback-store";
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import { useProjectStore } from "@/stores/project-store";
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import { useTimelineZoom } from "@/hooks/use-timeline-zoom";
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import { processMediaFiles } from "@/lib/media-processing";
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import { toast } from "sonner";
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import { useState, useRef, useEffect, useCallback } from "react";
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import { TimelineTrackContent } from "./timeline-track";
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import {
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TimelinePlayhead,
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useTimelinePlayheadRuler,
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} from "./timeline-playhead";
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import { SelectionBox } from "./selection-box";
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import { useSelectionBox } from "@/hooks/use-selection-box";
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import { SnapIndicator } from "./snap-indicator";
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import { SnapPoint } from "@/hooks/use-timeline-snapping";
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import type { DragData, TimelineTrack } from "@/types/timeline";
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import {
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getTrackHeight,
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getCumulativeHeightBefore,
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getTotalTracksHeight,
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TIMELINE_CONSTANTS,
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snapTimeToFrame,
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} from "@/constants/timeline-constants";
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import { TimelineZoomControl } from "./timeline-zoom-control";
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import { useTimelineZoomActions } from "@/hooks/use-timeline-zoom-actions";
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export function Timeline() {
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// Timeline shows all tracks (video, audio, effects) and their elements.
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// You can drag media here to add it to your project.
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// elements can be trimmed, deleted, and moved.
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const {
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tracks,
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addTrack,
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addElementToTrack,
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removeElementFromTrack,
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removeElementFromTrackWithRipple,
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getTotalDuration,
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calculateFitToWindowZoom,
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selectedElements,
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clearSelectedElements,
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setSelectedElements,
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splitElement,
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splitAndKeepLeft,
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splitAndKeepRight,
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toggleTrackMute,
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separateAudio,
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snappingEnabled,
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toggleSnapping,
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rippleEditingEnabled,
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toggleRippleEditing,
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dragState,
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} = useTimelineStore();
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const { mediaItems, addMediaItem } = useMediaStore();
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const { activeProject } = useProjectStore();
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const { currentTime, duration, seek, setDuration, isPlaying, toggle } =
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usePlaybackStore();
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const [isDragOver, setIsDragOver] = useState(false);
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const [isProcessing, setIsProcessing] = useState(false);
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const [progress, setProgress] = useState(0);
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const dragCounterRef = useRef(0);
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const timelineRef = useRef<HTMLDivElement>(null);
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const rulerRef = useRef<HTMLDivElement>(null);
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const [isInTimeline, setIsInTimeline] = useState(false);
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// Track mouse down/up for distinguishing clicks from drag/resize ends
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const mouseTrackingRef = useRef({
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isMouseDown: false,
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downX: 0,
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downY: 0,
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downTime: 0,
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});
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// Fit to window function
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const handleFitToWindow = useCallback(() => {
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if (timelineRef.current) {
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const containerWidth = timelineRef.current.clientWidth;
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const optimalZoom = calculateFitToWindowZoom(containerWidth);
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setZoomLevel(optimalZoom);
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}
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}, [calculateFitToWindowZoom]);
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// Timeline zoom functionality
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const { zoomLevel, setZoomLevel, handleWheel } = useTimelineZoom({
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containerRef: timelineRef,
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isInTimeline,
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onFitToWindow: handleFitToWindow,
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});
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// Old marquee selection removed - using new SelectionBox component instead
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// Dynamic timeline width calculation based on playhead position and duration
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const dynamicTimelineWidth = Math.max(
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(duration || 0) * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel, // Base width from duration
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(currentTime + 30) * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel, // Width to show current time + 30 seconds buffer
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timelineRef.current?.clientWidth || 1000 // Minimum width
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);
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// Scroll synchronization and auto-scroll to playhead
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const rulerScrollRef = useRef<HTMLDivElement>(null);
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const tracksScrollRef = useRef<HTMLDivElement>(null);
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const trackLabelsRef = useRef<HTMLDivElement>(null);
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const playheadRef = useRef<HTMLDivElement>(null);
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const trackLabelsScrollRef = useRef<HTMLDivElement>(null);
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const isUpdatingRef = useRef(false);
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const lastRulerSync = useRef(0);
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const lastTracksSync = useRef(0);
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const lastVerticalSync = useRef(0);
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// Timeline playhead ruler handlers
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const { handleRulerMouseDown } = useTimelinePlayheadRuler({
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currentTime,
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duration,
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zoomLevel,
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seek,
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rulerRef,
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rulerScrollRef,
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tracksScrollRef,
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playheadRef,
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});
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// Zoom actions
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useTimelineZoomActions({
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zoomLevel,
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setZoomLevel,
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onFitToWindow: handleFitToWindow,
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});
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// Selection box functionality
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const tracksContainerRef = useRef<HTMLDivElement>(null);
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const {
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selectionBox,
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handleMouseDown: handleSelectionMouseDown,
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isSelecting,
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justFinishedSelecting,
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} = useSelectionBox({
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containerRef: tracksContainerRef,
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playheadRef,
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onSelectionComplete: (elements) => {
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console.log(JSON.stringify({ onSelectionComplete: elements.length }));
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setSelectedElements(elements);
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},
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});
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// Calculate snap indicator state
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const [currentSnapPoint, setCurrentSnapPoint] = useState<SnapPoint | null>(
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null
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);
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const showSnapIndicator =
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dragState.isDragging && snappingEnabled && currentSnapPoint !== null;
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// Callback to handle snap point changes from TimelineTrackContent
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const handleSnapPointChange = useCallback((snapPoint: SnapPoint | null) => {
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setCurrentSnapPoint(snapPoint);
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}, []);
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// Track mouse down to distinguish real clicks from drag/resize ends
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const handleTimelineMouseDown = useCallback((e: React.MouseEvent) => {
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// Only track mouse down on timeline background areas (not elements)
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const target = e.target as HTMLElement;
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const isTimelineBackground =
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!target.closest(".timeline-element") &&
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!playheadRef.current?.contains(target) &&
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!target.closest("[data-track-labels]");
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if (isTimelineBackground) {
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mouseTrackingRef.current = {
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isMouseDown: true,
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downX: e.clientX,
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downY: e.clientY,
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downTime: e.timeStamp,
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};
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}
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}, []);
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// Track mouse up globally to reset mouse tracking
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useEffect(() => {
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const handleGlobalMouseUp = () => {
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mouseTrackingRef.current.isMouseDown = false;
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};
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window.addEventListener("mouseup", handleGlobalMouseUp);
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return () => window.removeEventListener("mouseup", handleGlobalMouseUp);
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}, []);
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// Handle clicks on timeline content (not playhead/ruler)
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const handleTimelineContentClick = useCallback((e: React.MouseEvent) => {
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// Only handle clicks if we didn't move much (distinguishing from drag end)
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const { isMouseDown, downX, downY, downTime } = mouseTrackingRef.current;
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const now = Date.now();
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const distance = Math.sqrt(
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Math.pow(e.clientX - downX, 2) + Math.pow(e.clientY - downY, 2)
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);
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// Not a real click if:
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// - Mouse wasn't pressed down in timeline background
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// - Too much movement (likely drag end)
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// - Too much time passed (likely hold or slow drag)
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if (!isMouseDown || distance > 5 || now - downTime > 300) {
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return;
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}
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// Only proceed if we're not currently selecting and didn't just finish selecting
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if (isSelecting || justFinishedSelecting) {
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return;
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}
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// Get timeline content element and click position
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const timelineContent = e.currentTarget as HTMLElement;
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const rect = timelineContent.getBoundingClientRect();
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const clickX = e.clientX - rect.left;
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// Convert click position to time
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const timeFromClick =
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clickX / (TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel);
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// Snap to frame boundary for accurate seeking
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const projectFps = activeProject?.fps || 30;
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const snappedTime = snapTimeToFrame(timeFromClick, projectFps);
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// Seek to the clicked time
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seek(Math.max(0, snappedTime));
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}, [zoomLevel, seek, isSelecting, justFinishedSelecting]);
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// Drag and drop handlers for adding media to timeline
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const dragProps = {
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onDragEnter: handleDragEnter,
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onDragOver: handleDragOver,
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onDragLeave: handleDragLeave,
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onDrop: handleDrop,
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};
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function handleDragEnter(e: React.DragEvent) {
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e.preventDefault();
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// Don't update state for timeline elements - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-element")) {
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return;
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}
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dragCounterRef.current += 1;
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if (dragCounterRef.current === 1) {
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setIsDragOver(true);
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}
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}
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const handleDragOver = (e: React.DragEvent) => {
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e.preventDefault();
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};
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const handleDragLeave = (e: React.DragEvent) => {
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e.preventDefault();
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// Don't update state for timeline elements - they're handled by tracks
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if (e.dataTransfer.types.includes("application/x-timeline-element")) {
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return;
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}
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dragCounterRef.current -= 1;
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if (dragCounterRef.current === 0) {
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setIsDragOver(false);
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}
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};
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const handleDrop = async (e: React.DragEvent) => {
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// When media is dropped, add it as a new track/element
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e.preventDefault();
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setIsDragOver(false);
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dragCounterRef.current = 0;
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// Ignore timeline element drags - they're handled by track-specific handlers
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const hasTimelineElement = e.dataTransfer.types.includes(
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"application/x-timeline-element"
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);
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if (hasTimelineElement) {
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return;
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}
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const itemData = e.dataTransfer.getData("application/x-media-item");
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if (itemData) {
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try {
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const dragData: DragData = JSON.parse(itemData);
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if (dragData.type === "text") {
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// Always create new text track to avoid overlaps
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useTimelineStore.getState().addTextToNewTrack(dragData);
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} else {
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// Handle media items
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const mediaItem = mediaItems.find(
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(item: any) => item.id === dragData.id
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);
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if (!mediaItem) {
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toast.error("Media item not found");
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return;
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}
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// Add to first available track or create new one
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const targetTrack = tracks.find(
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(track) => track.type === "media" && track.elements.length === 0
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);
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if (targetTrack) {
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await addElementToTrack(targetTrack.id, {
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id: crypto.randomUUID(),
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type: "media",
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mediaId: mediaItem.id,
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startTime: 0,
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duration: mediaItem.duration,
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trimStart: 0,
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trimEnd: 0,
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});
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} else {
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const trackId = crypto.randomUUID();
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addTrack({
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id: trackId,
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type: "media",
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name: `Track ${tracks.length + 1}`,
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elements: [],
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muted: false,
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volume: 1,
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});
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await addElementToTrack(trackId, {
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id: crypto.randomUUID(),
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type: "media",
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mediaId: mediaItem.id,
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startTime: 0,
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duration: mediaItem.duration,
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trimStart: 0,
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trimEnd: 0,
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});
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}
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}
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} catch (error) {
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console.error("Error parsing drag data:", error);
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toast.error("Failed to add media to timeline");
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}
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return;
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}
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// Handle file drops (e.g., from desktop)
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const files = Array.from(e.dataTransfer.files);
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if (files.length > 0) {
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setIsProcessing(true);
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setProgress(0);
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try {
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const processedMedia = await processMediaFiles(files, (progress) => {
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setProgress(progress);
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});
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for (const media of processedMedia) {
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if (!activeProject) {
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toast.error("No active project");
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return;
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}
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await addMediaItem(activeProject.id, media);
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// Add to timeline automatically
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const trackId = crypto.randomUUID();
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addTrack({
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id: trackId,
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type: "media",
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name: `Track ${tracks.length + 1}`,
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elements: [],
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muted: false,
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volume: 1,
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});
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await addElementToTrack(trackId, {
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id: crypto.randomUUID(),
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type: "media",
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mediaId: media.id,
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startTime: 0,
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duration: media.duration,
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trimStart: 0,
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trimEnd: 0,
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});
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}
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toast.success(`Added ${processedMedia.length} media files to timeline`);
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} catch (error) {
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console.error("Error processing dropped files:", error);
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toast.error("Failed to process some files");
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} finally {
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setIsProcessing(false);
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setProgress(0);
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}
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}
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};
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// Keyboard shortcuts for timeline actions
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useEffect(() => {
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const handleKeyDown = (e: KeyboardEvent) => {
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// Only handle shortcuts when timeline is focused or no input is focused
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const isInputFocused = document.activeElement?.tagName.match(/INPUT|TEXTAREA|SELECT/);
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if (isInputFocused) return;
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if (e.key === 'Delete' || e.key === 'Backspace') {
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e.preventDefault();
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handleDeleteSelected();
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}
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};
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window.addEventListener('keydown', handleKeyDown);
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return () => window.removeEventListener('keydown', handleKeyDown);
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}, [selectedElements, rippleEditingEnabled]);
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// Context menu handlers
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const handleSplitElement = () => {
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if (selectedElements.length !== 1) {
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toast.error("Select exactly one element to split");
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return;
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}
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const { trackId, elementId } = selectedElements[0];
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splitElement(trackId, elementId, currentTime);
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};
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const handleSplitAndKeepLeft = () => {
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if (selectedElements.length !== 1) {
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toast.error("Select exactly one element to split");
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return;
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}
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const { trackId, elementId } = selectedElements[0];
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const track = tracks.find((t) => t.id === trackId);
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const element = track?.elements.find((e) => e.id === elementId);
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if (!track || !element) return;
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const effectiveStart = element.startTime + element.trimStart;
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const effectiveEnd =
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element.startTime +
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(element.duration - element.trimStart - element.trimEnd);
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if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
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toast.error("Playhead must be within selected element");
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return;
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}
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splitAndKeepLeft(trackId, elementId, currentTime);
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};
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const handleSplitAndKeepRight = () => {
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if (selectedElements.length !== 1) {
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toast.error("Select exactly one element to split");
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return;
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}
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const { trackId, elementId } = selectedElements[0];
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const track = tracks.find((t) => t.id === trackId);
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const element = track?.elements.find((e) => e.id === elementId);
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if (!track || !element) return;
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const effectiveStart = element.startTime + element.trimStart;
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const effectiveEnd =
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element.startTime +
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(element.duration - element.trimStart - element.trimEnd);
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if (currentTime <= effectiveStart || currentTime >= effectiveEnd) {
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toast.error("Playhead must be within selected element");
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return;
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}
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splitAndKeepRight(trackId, elementId, currentTime);
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};
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const handleSeparateAudio = () => {
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if (selectedElements.length !== 1) {
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toast.error("Select exactly one media element to separate audio");
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return;
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}
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const { trackId, elementId } = selectedElements[0];
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const track = tracks.find((t) => t.id === trackId);
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if (!track || track.type !== "media") {
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toast.error("Select a media element to separate audio");
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return;
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}
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separateAudio(trackId, elementId);
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};
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const handleDeleteSelected = () => {
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if (selectedElements.length === 0) {
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toast.error("No elements selected");
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return;
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}
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selectedElements.forEach(({ trackId, elementId }) => {
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if (rippleEditingEnabled) {
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removeElementFromTrackWithRipple(trackId, elementId);
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} else {
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removeElementFromTrack(trackId, elementId);
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}
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});
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clearSelectedElements();
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};
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// --- Scroll synchronization effect ---
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useEffect(() => {
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const rulerViewport = rulerScrollRef.current;
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const tracksViewport = tracksScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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const trackLabelsViewport = trackLabelsScrollRef.current?.querySelector(
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"[data-radix-scroll-area-viewport]"
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) as HTMLElement;
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if (!rulerViewport || !tracksViewport) return;
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// Horizontal scroll synchronization between ruler and tracks
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const handleRulerScroll = () => {
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const now = Date.now();
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if (isUpdatingRef.current || now - lastRulerSync.current < 16) return;
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lastRulerSync.current = now;
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isUpdatingRef.current = true;
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tracksViewport.scrollLeft = rulerViewport.scrollLeft;
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isUpdatingRef.current = false;
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};
|
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const handleTracksScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastTracksSync.current < 16) return;
|
|
lastTracksSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
rulerViewport.scrollLeft = tracksViewport.scrollLeft;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
|
|
rulerViewport.addEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.addEventListener("scroll", handleTracksScroll);
|
|
|
|
// Vertical scroll synchronization between track labels and tracks content
|
|
if (trackLabelsViewport) {
|
|
const handleTrackLabelsScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastVerticalSync.current < 16)
|
|
return;
|
|
lastVerticalSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
tracksViewport.scrollTop = trackLabelsViewport.scrollTop;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
const handleTracksVerticalScroll = () => {
|
|
const now = Date.now();
|
|
if (isUpdatingRef.current || now - lastVerticalSync.current < 16)
|
|
return;
|
|
lastVerticalSync.current = now;
|
|
isUpdatingRef.current = true;
|
|
trackLabelsViewport.scrollTop = tracksViewport.scrollTop;
|
|
isUpdatingRef.current = false;
|
|
};
|
|
|
|
trackLabelsViewport.addEventListener("scroll", handleTrackLabelsScroll);
|
|
tracksViewport.addEventListener("scroll", handleTracksVerticalScroll);
|
|
|
|
return () => {
|
|
rulerViewport.removeEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksScroll);
|
|
trackLabelsViewport.removeEventListener("scroll", handleTrackLabelsScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksVerticalScroll);
|
|
};
|
|
}
|
|
|
|
return () => {
|
|
rulerViewport.removeEventListener("scroll", handleRulerScroll);
|
|
tracksViewport.removeEventListener("scroll", handleTracksScroll);
|
|
};
|
|
}, []);
|
|
|
|
return (
|
|
<div
|
|
className={`h-full flex flex-col transition-colors duration-200 relative bg-panel rounded-sm overflow-hidden`}
|
|
{...dragProps}
|
|
onMouseEnter={() => setIsInTimeline(true)}
|
|
onMouseLeave={() => setIsInTimeline(false)}
|
|
>
|
|
{/* Toolbar */}
|
|
<div className="border-b flex items-center justify-between px-2 py-1">
|
|
<div className="flex items-center gap-1 w-full">
|
|
<TooltipProvider delayDuration={500}>
|
|
{/* Play/Pause Button */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={toggle}
|
|
className="mr-2"
|
|
>
|
|
{isPlaying ? (
|
|
<Pause className="h-4 w-4" />
|
|
) : (
|
|
<Play className="h-4 w-4" />
|
|
)}
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>
|
|
{isPlaying ? "Pause (Space)" : "Play (Space)"}
|
|
</TooltipContent>
|
|
</Tooltip>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Time Display */}
|
|
<div className="text-sm text-muted-foreground mr-2 font-mono">
|
|
{(() => {
|
|
const formatTime = (seconds: number) => {
|
|
const h = Math.floor(seconds / 3600);
|
|
const m = Math.floor((seconds % 3600) / 60);
|
|
const s = Math.floor(seconds % 60);
|
|
const ms = Math.floor((seconds % 1) * 100);
|
|
return h > 0
|
|
? `${h}:${m.toString().padStart(2, "0")}:${s.toString().padStart(2, "0")}.${ms.toString().padStart(2, "0")}`
|
|
: `${m}:${s.toString().padStart(2, "0")}.${ms.toString().padStart(2, "0")}`;
|
|
};
|
|
return `${formatTime(currentTime)} / ${formatTime(duration)}`;
|
|
})()}
|
|
</div>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Element Actions */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSplitElement}
|
|
disabled={selectedElements.length !== 1}
|
|
>
|
|
<Scissors className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split element at playhead (S)</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSplitAndKeepLeft}
|
|
disabled={selectedElements.length !== 1}
|
|
>
|
|
<ArrowLeftToLine className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split and keep left part</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSplitAndKeepRight}
|
|
disabled={selectedElements.length !== 1}
|
|
>
|
|
<ArrowRightToLine className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Split and keep right part</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleDeleteSelected}
|
|
disabled={selectedElements.length === 0}
|
|
>
|
|
<Trash2 className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Delete selected elements (Del)</TooltipContent>
|
|
</Tooltip>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Media Actions */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant="text"
|
|
size="icon"
|
|
onClick={handleSeparateAudio}
|
|
disabled={
|
|
selectedElements.length !== 1 ||
|
|
!tracks
|
|
.find((t) => t.id === selectedElements[0]?.trackId)
|
|
?.elements.find((e) => e.id === selectedElements[0]?.elementId)
|
|
}
|
|
>
|
|
<SplitSquareHorizontal className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>Separate audio from video</TooltipContent>
|
|
</Tooltip>
|
|
<div className="w-px h-6 bg-border mx-1" />
|
|
{/* Timeline Settings */}
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant={snappingEnabled ? "accent" : "text"}
|
|
size="icon"
|
|
onClick={toggleSnapping}
|
|
>
|
|
<Snowflake className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>
|
|
{snappingEnabled ? "Disable Snapping" : "Enable Snapping"}
|
|
</TooltipContent>
|
|
</Tooltip>
|
|
<Tooltip>
|
|
<TooltipTrigger asChild>
|
|
<Button
|
|
variant={rippleEditingEnabled ? "accent" : "text"}
|
|
size="icon"
|
|
onClick={toggleRippleEditing}
|
|
>
|
|
<Link className="h-4 w-4" />
|
|
</Button>
|
|
</TooltipTrigger>
|
|
<TooltipContent>
|
|
{rippleEditingEnabled
|
|
? "Disable Ripple Editing"
|
|
: "Enable Ripple Editing"}
|
|
</TooltipContent>
|
|
</Tooltip>
|
|
</TooltipProvider>
|
|
|
|
{/* Timeline Zoom Control */}
|
|
<div className="w-px h-6 bg-border mx-2" />
|
|
<TimelineZoomControl
|
|
zoomLevel={zoomLevel}
|
|
onZoomChange={setZoomLevel}
|
|
onFitToWindow={handleFitToWindow}
|
|
className="mr-2"
|
|
/>
|
|
</div>
|
|
</div>
|
|
|
|
{/* Timeline Container */}
|
|
<div
|
|
className="flex-1 flex flex-col overflow-hidden relative"
|
|
ref={timelineRef}
|
|
>
|
|
<TimelinePlayhead
|
|
currentTime={currentTime}
|
|
duration={duration}
|
|
zoomLevel={zoomLevel}
|
|
tracks={tracks}
|
|
seek={seek}
|
|
rulerRef={rulerRef}
|
|
rulerScrollRef={rulerScrollRef}
|
|
tracksScrollRef={tracksScrollRef}
|
|
trackLabelsRef={trackLabelsRef}
|
|
timelineRef={timelineRef}
|
|
playheadRef={playheadRef}
|
|
isSnappingToPlayhead={
|
|
showSnapIndicator && currentSnapPoint?.type === "playhead"
|
|
}
|
|
/>
|
|
<SnapIndicator
|
|
snapPoint={currentSnapPoint}
|
|
zoomLevel={zoomLevel}
|
|
tracks={tracks}
|
|
timelineRef={timelineRef}
|
|
trackLabelsRef={trackLabelsRef}
|
|
isVisible={showSnapIndicator}
|
|
/>
|
|
{/* Timeline Header with Ruler */}
|
|
<div className="flex bg-panel sticky top-0 z-10">
|
|
{/* Track Labels Header */}
|
|
<div className="w-48 flex-shrink-0 bg-muted/30 border-r flex items-center justify-between px-3 py-2">
|
|
{/* Empty space */}
|
|
<span className="text-sm font-medium text-muted-foreground opacity-0">
|
|
.
|
|
</span>
|
|
</div>
|
|
|
|
{/* Timeline Ruler */}
|
|
<div
|
|
className="flex-1 relative overflow-x-auto overflow-y-hidden h-4"
|
|
onWheel={handleWheel}
|
|
onMouseDown={handleSelectionMouseDown}
|
|
onClick={handleTimelineContentClick}
|
|
data-ruler-area
|
|
ref={rulerScrollRef}
|
|
>
|
|
<div
|
|
ref={rulerRef}
|
|
className="relative h-4 select-none cursor-default"
|
|
style={{
|
|
width: `${dynamicTimelineWidth}px`,
|
|
}}
|
|
onMouseDown={handleRulerMouseDown}
|
|
>
|
|
{/* Time markers */}
|
|
{(() => {
|
|
// Calculate appropriate time interval based on zoom level
|
|
const getTimeInterval = (zoom: number) => {
|
|
const pixelsPerSecond =
|
|
TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoom;
|
|
if (pixelsPerSecond >= 200) return 0.1; // Every 0.1s when very zoomed in
|
|
if (pixelsPerSecond >= 100) return 0.5; // Every 0.5s when zoomed in
|
|
if (pixelsPerSecond >= 50) return 1; // Every 1s at normal zoom
|
|
if (pixelsPerSecond >= 25) return 2; // Every 2s when zoomed out
|
|
if (pixelsPerSecond >= 12) return 5; // Every 5s when more zoomed out
|
|
if (pixelsPerSecond >= 6) return 10; // Every 10s when very zoomed out
|
|
return 30; // Every 30s when extremely zoomed out
|
|
};
|
|
|
|
const interval = getTimeInterval(zoomLevel);
|
|
const markerCount = Math.ceil(duration / interval) + 1;
|
|
|
|
return Array.from({ length: markerCount }, (_, i) => {
|
|
const time = i * interval;
|
|
if (time > duration) return null;
|
|
|
|
const isMainMarker =
|
|
time % (interval >= 1 ? Math.max(1, interval) : 1) === 0;
|
|
|
|
return (
|
|
<div
|
|
key={i}
|
|
className={`absolute top-0 bottom-0 ${
|
|
isMainMarker
|
|
? "border-l border-muted-foreground/40"
|
|
: "border-l border-muted-foreground/20"
|
|
}`}
|
|
style={{
|
|
left: `${time * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel}px`,
|
|
}}
|
|
>
|
|
<span
|
|
className={`absolute top-1 left-1 text-[0.6rem] ${
|
|
isMainMarker
|
|
? "text-muted-foreground font-medium"
|
|
: "text-muted-foreground/70"
|
|
}`}
|
|
>
|
|
{(() => {
|
|
const formatTime = (seconds: number) => {
|
|
const hours = Math.floor(seconds / 3600);
|
|
const minutes = Math.floor((seconds % 3600) / 60);
|
|
const secs = seconds % 60;
|
|
|
|
if (hours > 0) {
|
|
return `${hours}:${minutes.toString().padStart(2, "0")}:${Math.floor(secs).toString().padStart(2, "0")}`;
|
|
} else if (minutes > 0) {
|
|
return `${minutes}:${Math.floor(secs).toString().padStart(2, "0")}`;
|
|
} else if (interval >= 1) {
|
|
return `${Math.floor(secs)}s`;
|
|
} else {
|
|
return `${secs.toFixed(1)}s`;
|
|
}
|
|
};
|
|
return formatTime(time);
|
|
})()}
|
|
</span>
|
|
</div>
|
|
);
|
|
}).filter(Boolean);
|
|
})()}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
|
|
{/* Tracks Area */}
|
|
<div className="flex-1 flex overflow-hidden">
|
|
{/* Track Labels */}
|
|
{tracks.length > 0 && (
|
|
<div
|
|
ref={trackLabelsRef}
|
|
className="w-48 flex-shrink-0 border-r border-black overflow-y-auto"
|
|
data-track-labels
|
|
>
|
|
<div
|
|
ref={trackLabelsScrollRef}
|
|
className="w-full h-full"
|
|
>
|
|
<div className="flex flex-col gap-1">
|
|
{tracks.map((track) => (
|
|
<div
|
|
key={track.id}
|
|
className="flex items-center px-3 border-b border-muted/30 group bg-foreground/5"
|
|
style={{ height: `${getTrackHeight(track.type)}px` }}
|
|
>
|
|
<div className="flex items-center flex-1 min-w-0">
|
|
<TrackIcon track={track} />
|
|
</div>
|
|
{track.muted && (
|
|
<span className="ml-2 text-xs text-red-500 font-semibold flex-shrink-0">
|
|
Muted
|
|
</span>
|
|
)}
|
|
</div>
|
|
))}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
)}
|
|
|
|
{/* Timeline Tracks Content */}
|
|
<div
|
|
className="flex-1 relative overflow-auto"
|
|
onWheel={handleWheel}
|
|
onMouseDown={(e) => {
|
|
handleTimelineMouseDown(e);
|
|
handleSelectionMouseDown(e);
|
|
}}
|
|
onClick={handleTimelineContentClick}
|
|
ref={tracksContainerRef}
|
|
>
|
|
<div
|
|
ref={tracksScrollRef}
|
|
className="w-full h-full"
|
|
>
|
|
<SelectionBox
|
|
startPos={selectionBox?.startPos || null}
|
|
currentPos={selectionBox?.currentPos || null}
|
|
containerRef={tracksContainerRef}
|
|
isActive={selectionBox?.isActive || false}
|
|
/>
|
|
<div
|
|
className="relative flex-1"
|
|
style={{
|
|
height: `${Math.max(200, Math.min(800, getTotalTracksHeight(tracks)))}px`,
|
|
width: `${dynamicTimelineWidth}px`,
|
|
}}
|
|
>
|
|
{tracks.length === 0 ? (
|
|
<div></div>
|
|
) : (
|
|
<>
|
|
{tracks.map((track, index) => (
|
|
<ContextMenu key={track.id}>
|
|
<ContextMenuTrigger asChild>
|
|
<div
|
|
className="absolute left-0 right-0 border-b border-muted/30 py-[0.05rem]"
|
|
style={{
|
|
top: `${getCumulativeHeightBefore(tracks, index)}px`,
|
|
height: `${getTrackHeight(track.type)}px`,
|
|
}}
|
|
onClick={(e) => {
|
|
// If clicking empty area (not on a element), deselect all elements
|
|
if (
|
|
!(e.target as HTMLElement).closest(
|
|
".timeline-element"
|
|
)
|
|
) {
|
|
clearSelectedElements();
|
|
}
|
|
}}
|
|
>
|
|
<TimelineTrackContent
|
|
track={track}
|
|
zoomLevel={zoomLevel}
|
|
onSnapPointChange={handleSnapPointChange}
|
|
/>
|
|
</div>
|
|
</ContextMenuTrigger>
|
|
<ContextMenuContent>
|
|
<ContextMenuItem
|
|
onClick={() => toggleTrackMute(track.id)}
|
|
>
|
|
{track.muted ? "Unmute Track" : "Mute Track"}
|
|
</ContextMenuItem>
|
|
<ContextMenuItem>
|
|
Track settings (soon)
|
|
</ContextMenuItem>
|
|
</ContextMenuContent>
|
|
</ContextMenu>
|
|
))}
|
|
</>
|
|
)}
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
</div>
|
|
);
|
|
}
|
|
|
|
function TrackIcon({ track }: { track: TimelineTrack }) {
|
|
return (
|
|
<>
|
|
{track.type === "media" && (
|
|
<Video className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
{track.type === "text" && (
|
|
<TypeIcon className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
{track.type === "audio" && (
|
|
<Music className="w-4 h-4 flex-shrink-0 text-muted-foreground" />
|
|
)}
|
|
</>
|
|
);
|
|
}
|