diff options
| author | Maze Winther <mazewinther@gmail.com> | 2025-06-24 17:51:34 +0200 |
|---|---|---|
| committer | Maze Winther <mazewinther@gmail.com> | 2025-06-24 17:51:34 +0200 |
| commit | 2aa37920d5f183f9c0de2c42076fa57c5b48320e (patch) | |
| tree | 2bde61eddd07d43027ed65478222b70314800403 /apps/web/src/components/editor/timeline | |
| parent | c3df43b8c8bf281da022514b665b532928f1fbd0 (diff) | |
| download | opencut-2aa37920d5f183f9c0de2c42076fa57c5b48320e.tar.gz | |
refactor: overhaul timeline component, separate into different files
Diffstat (limited to 'apps/web/src/components/editor/timeline')
4 files changed, 1879 insertions, 0 deletions
diff --git a/apps/web/src/components/editor/timeline/timeline-clip.tsx b/apps/web/src/components/editor/timeline/timeline-clip.tsx new file mode 100644 index 00000000..69740cd7 --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline-clip.tsx @@ -0,0 +1,192 @@ +"use client";
+
+import { Button } from "../../ui/button";
+import { MoreVertical, Scissors, Trash2 } from "lucide-react";
+import { useMediaStore } from "@/stores/media-store";
+import { useTimelineStore, type TimelineTrack } from "@/stores/timeline-store";
+import { usePlaybackStore } from "@/stores/playback-store";
+import { type TimelineClip } from "@/types/timeline";
+import { useState } from "react";
+
+interface TimelineClipProps {
+ clip: TimelineClip;
+ track: TimelineTrack;
+ zoomLevel: number;
+ isSelected: boolean;
+ onResizeStart: (
+ e: React.MouseEvent,
+ clipId: string,
+ side: "left" | "right"
+ ) => void;
+ onClipDragStart: (e: React.DragEvent, clip: any) => void;
+ onClipDragEnd: (e: React.DragEvent) => void;
+ onSelect: (e: React.MouseEvent) => void;
+ onContextMenu: (e: React.MouseEvent) => void;
+ getTrackColor: (type: string) => string;
+}
+
+export function TimelineClip({
+ clip,
+ track,
+ zoomLevel,
+ isSelected,
+ onResizeStart,
+ onClipDragStart,
+ onClipDragEnd,
+ onSelect,
+ onContextMenu,
+ getTrackColor,
+}: TimelineClipProps) {
+ const { mediaItems } = useMediaStore();
+ const { addClipToTrack, updateClipTrim, removeClipFromTrack } =
+ useTimelineStore();
+ const { currentTime } = usePlaybackStore();
+ const [clipMenuOpen, setClipMenuOpen] = useState<string | null>(null);
+
+ const effectiveDuration = clip.duration - clip.trimStart - clip.trimEnd;
+ const clipWidth = Math.max(80, effectiveDuration * 50 * zoomLevel);
+ const clipLeft = clip.startTime * 50 * zoomLevel;
+
+ const renderClipContent = (clip: TimelineClip) => {
+ const mediaItem = mediaItems.find((item) => item.id === clip.mediaId);
+
+ if (!mediaItem) {
+ return (
+ <span className="text-xs text-foreground/80 truncate">{clip.name}</span>
+ );
+ }
+
+ if (mediaItem.type === "image") {
+ return (
+ <div className="w-full h-full flex items-center justify-center">
+ <img
+ src={mediaItem.url}
+ alt={mediaItem.name}
+ className="w-full h-full object-cover"
+ />
+ </div>
+ );
+ }
+
+ if (mediaItem.type === "video" && mediaItem.thumbnailUrl) {
+ return (
+ <div className="w-full h-full flex items-center gap-2">
+ <div className="w-8 h-8 flex-shrink-0">
+ <img
+ src={mediaItem.thumbnailUrl}
+ alt={mediaItem.name}
+ className="w-full h-full object-cover rounded-sm"
+ />
+ </div>
+ <span className="text-xs text-foreground/80 truncate flex-1">
+ {clip.name}
+ </span>
+ </div>
+ );
+ }
+
+ // Fallback for audio or videos without thumbnails
+ return (
+ <span className="text-xs text-foreground/80 truncate">{clip.name}</span>
+ );
+ };
+
+ const handleSplitClip = (clip: TimelineClip) => {
+ // Use current playback time as split point
+ const splitTime = currentTime;
+
+ // Only split if splitTime is within the clip's effective range
+ const effectiveStart = clip.startTime;
+ const effectiveEnd =
+ clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd);
+ if (splitTime <= effectiveStart || splitTime >= effectiveEnd) return;
+
+ const firstDuration = splitTime - effectiveStart;
+ const secondDuration = effectiveEnd - splitTime;
+
+ // First part: adjust original clip
+ updateClipTrim(
+ track.id,
+ clip.id,
+ clip.trimStart,
+ clip.trimEnd + secondDuration
+ );
+
+ // Second part: add new clip after split
+ addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (cut)",
+ duration: clip.duration,
+ startTime: splitTime,
+ trimStart: clip.trimStart + firstDuration,
+ trimEnd: clip.trimEnd,
+ });
+ };
+
+ const handleDeleteClip = (clipId: string) => {
+ removeClipFromTrack(track.id, clipId);
+ };
+
+ return (
+ <div
+ className={`timeline-clip absolute h-full border transition-all duration-200 ${getTrackColor(track.type)} flex items-center py-3 min-w-[80px] overflow-hidden group hover:shadow-lg ${isSelected ? "ring-2 ring-blue-500 z-10" : ""}`}
+ style={{ width: `${clipWidth}px`, left: `${clipLeft}px` }}
+ onClick={onSelect}
+ tabIndex={0}
+ onContextMenu={onContextMenu}
+ >
+ {/* Left trim handle */}
+ <div
+ className="absolute left-0 top-0 bottom-0 w-2 cursor-w-resize opacity-0 group-hover:opacity-100 transition-opacity bg-blue-500/50 hover:bg-blue-500"
+ onMouseDown={(e) => onResizeStart(e, clip.id, "left")}
+ />
+
+ {/* Clip content */}
+ <div
+ className="flex-1 cursor-grab active:cursor-grabbing relative"
+ draggable={true}
+ onDragStart={(e) => onClipDragStart(e, clip)}
+ onDragEnd={onClipDragEnd}
+ >
+ {renderClipContent(clip)}
+
+ {/* Clip options menu */}
+ <div className="absolute top-1 right-1 z-10">
+ <Button
+ variant="text"
+ size="icon"
+ className="opacity-0 group-hover:opacity-100 transition-opacity"
+ onClick={() => setClipMenuOpen(clip.id)}
+ >
+ <MoreVertical className="h-4 w-4" />
+ </Button>
+ {clipMenuOpen === clip.id && (
+ <div className="absolute right-0 mt-2 w-32 bg-white border rounded shadow z-50">
+ <button
+ className="flex items-center w-full px-3 py-2 text-sm hover:bg-muted/30"
+ onClick={() => {
+ handleSplitClip(clip);
+ setClipMenuOpen(null);
+ }}
+ >
+ <Scissors className="h-4 w-4 mr-2" /> Split
+ </button>
+ <button
+ className="flex items-center w-full px-3 py-2 text-sm text-red-600 hover:bg-red-50"
+ onClick={() => handleDeleteClip(clip.id)}
+ >
+ <Trash2 className="h-4 w-4 mr-2" /> Delete
+ </button>
+ </div>
+ )}
+ </div>
+ </div>
+
+ {/* Right trim handle */}
+ <div
+ className="absolute right-0 top-0 bottom-0 w-2 cursor-e-resize opacity-0 group-hover:opacity-100 transition-opacity bg-blue-500/50 hover:bg-blue-500"
+ onMouseDown={(e) => onResizeStart(e, clip.id, "right")}
+ />
+ </div>
+ );
+}
diff --git a/apps/web/src/components/editor/timeline/timeline-toolbar.tsx b/apps/web/src/components/editor/timeline/timeline-toolbar.tsx new file mode 100644 index 00000000..3778ccf8 --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline-toolbar.tsx @@ -0,0 +1,296 @@ +"use client";
+
+import { Button } from "../../ui/button";
+import {
+ Scissors,
+ ArrowLeftToLine,
+ ArrowRightToLine,
+ Trash2,
+ Snowflake,
+ Copy,
+ SplitSquareHorizontal,
+ Pause,
+ Play,
+} from "lucide-react";
+import {
+ Tooltip,
+ TooltipContent,
+ TooltipTrigger,
+ TooltipProvider,
+} from "../../ui/tooltip";
+import {
+ Select,
+ SelectContent,
+ SelectItem,
+ SelectTrigger,
+ SelectValue,
+} from "../../ui/select";
+import { useTimelineStore } from "@/stores/timeline-store";
+import { usePlaybackStore } from "@/stores/playback-store";
+import { toast } from "sonner";
+
+interface TimelineToolbarProps {}
+
+export function TimelineToolbar({}: TimelineToolbarProps) {
+ const {
+ tracks,
+ addTrack,
+ addClipToTrack,
+ removeClipFromTrack,
+ selectedClips,
+ clearSelectedClips,
+ updateClipTrim,
+ } = useTimelineStore();
+ const { currentTime, duration, isPlaying, toggle, setSpeed, speed } =
+ usePlaybackStore();
+
+ const handleSplitSelected = () => {
+ if (selectedClips.length === 0) {
+ toast.error("No clips selected");
+ return;
+ }
+ selectedClips.forEach(({ trackId, clipId }) => {
+ const track = tracks.find((t) => t.id === trackId);
+ const clip = track?.clips.find((c) => c.id === clipId);
+ if (clip && track) {
+ const splitTime = currentTime;
+ const effectiveStart = clip.startTime;
+ const effectiveEnd =
+ clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd);
+ if (splitTime > effectiveStart && splitTime < effectiveEnd) {
+ updateClipTrim(
+ track.id,
+ clip.id,
+ clip.trimStart,
+ clip.trimEnd + (effectiveEnd - splitTime)
+ );
+ addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (split)",
+ duration: clip.duration,
+ startTime: splitTime,
+ trimStart: clip.trimStart + (splitTime - effectiveStart),
+ trimEnd: clip.trimEnd,
+ });
+ }
+ }
+ });
+ toast.success("Split selected clip(s)");
+ };
+
+ const handleDuplicateSelected = () => {
+ if (selectedClips.length === 0) {
+ toast.error("No clips selected");
+ return;
+ }
+ selectedClips.forEach(({ trackId, clipId }) => {
+ const track = tracks.find((t) => t.id === trackId);
+ const clip = track?.clips.find((c) => c.id === clipId);
+ if (clip && track) {
+ addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (copy)",
+ duration: clip.duration,
+ startTime:
+ clip.startTime +
+ (clip.duration - clip.trimStart - clip.trimEnd) +
+ 0.1,
+ trimStart: clip.trimStart,
+ trimEnd: clip.trimEnd,
+ });
+ }
+ });
+ toast.success("Duplicated selected clip(s)");
+ };
+
+ const handleFreezeSelected = () => {
+ if (selectedClips.length === 0) {
+ toast.error("No clips selected");
+ return;
+ }
+ selectedClips.forEach(({ trackId, clipId }) => {
+ const track = tracks.find((t) => t.id === trackId);
+ const clip = track?.clips.find((c) => c.id === clipId);
+ if (clip && track) {
+ // Add a new freeze frame clip at the playhead
+ addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (freeze)",
+ duration: 1, // 1 second freeze frame
+ startTime: currentTime,
+ trimStart: 0,
+ trimEnd: clip.duration - 1,
+ });
+ }
+ });
+ toast.success("Freeze frame added for selected clip(s)");
+ };
+
+ const handleDeleteSelected = () => {
+ if (selectedClips.length === 0) {
+ toast.error("No clips selected");
+ return;
+ }
+ selectedClips.forEach(({ trackId, clipId }) => {
+ removeClipFromTrack(trackId, clipId);
+ });
+ clearSelectedClips();
+ toast.success("Deleted selected clip(s)");
+ };
+
+ return (
+ <div className="border-b flex items-center px-2 py-1 gap-1">
+ <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-xs text-muted-foreground font-mono px-2">
+ {Math.floor(currentTime * 10) / 10}s /{" "}
+ {Math.floor(duration * 10) / 10}s
+ </div>
+
+ <div className="w-px h-6 bg-border mx-1" />
+
+ {/* Test Clip Button - for debugging */}
+ {tracks.length === 0 && (
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button
+ variant="outline"
+ size="sm"
+ onClick={() => {
+ const trackId = addTrack("video");
+ addClipToTrack(trackId, {
+ mediaId: "test",
+ name: "Test Clip",
+ duration: 5,
+ startTime: 0,
+ trimStart: 0,
+ trimEnd: 0,
+ });
+ }}
+ className="text-xs"
+ >
+ Add Test Clip
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Add a test clip to try playback</TooltipContent>
+ </Tooltip>
+ )}
+
+ <div className="w-px h-6 bg-border mx-1" />
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon" onClick={handleSplitSelected}>
+ <Scissors className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Split clip (S)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon">
+ <ArrowLeftToLine className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Split and keep left (A)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon">
+ <ArrowRightToLine className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Split and keep right (D)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon">
+ <SplitSquareHorizontal className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Separate audio (E)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button
+ variant="text"
+ size="icon"
+ onClick={handleDuplicateSelected}
+ >
+ <Copy className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Duplicate clip (Ctrl+D)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon" onClick={handleFreezeSelected}>
+ <Snowflake className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Freeze frame (F)</TooltipContent>
+ </Tooltip>
+
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Button variant="text" size="icon" onClick={handleDeleteSelected}>
+ <Trash2 className="h-4 w-4" />
+ </Button>
+ </TooltipTrigger>
+ <TooltipContent>Delete clip (Delete)</TooltipContent>
+ </Tooltip>
+
+ <div className="w-px h-6 bg-border mx-1" />
+
+ {/* Speed Control */}
+ <Tooltip>
+ <TooltipTrigger asChild>
+ <Select
+ value={speed.toFixed(1)}
+ onValueChange={(value) => setSpeed(parseFloat(value))}
+ >
+ <SelectTrigger className="w-[90px] h-8">
+ <SelectValue placeholder="1.0x" />
+ </SelectTrigger>
+ <SelectContent>
+ <SelectItem value="0.5">0.5x</SelectItem>
+ <SelectItem value="1.0">1.0x</SelectItem>
+ <SelectItem value="1.5">1.5x</SelectItem>
+ <SelectItem value="2.0">2.0x</SelectItem>
+ </SelectContent>
+ </Select>
+ </TooltipTrigger>
+ <TooltipContent>Playback Speed</TooltipContent>
+ </Tooltip>
+ </TooltipProvider>
+ </div>
+ );
+}
diff --git a/apps/web/src/components/editor/timeline/timeline-track-content.tsx b/apps/web/src/components/editor/timeline/timeline-track-content.tsx new file mode 100644 index 00000000..a33fb3ee --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline-track-content.tsx @@ -0,0 +1,593 @@ +"use client";
+
+import { useState, useRef } from "react";
+import { toast } from "sonner";
+import { TimelineClip } from "./timeline-clip";
+import { useMediaStore } from "@/stores/media-store";
+import { useTimelineStore, type TimelineTrack } from "@/stores/timeline-store";
+import { usePlaybackStore } from "@/stores/playback-store";
+
+interface TimelineTrackContentProps {
+ track: TimelineTrack;
+ zoomLevel: number;
+ setContextMenu: (
+ menu: {
+ type: "track" | "clip";
+ trackId: string;
+ clipId?: string;
+ x: number;
+ y: number;
+ } | null
+ ) => void;
+}
+
+export function TimelineTrackContent({
+ track,
+ zoomLevel,
+ setContextMenu,
+}: TimelineTrackContentProps) {
+ const { mediaItems } = useMediaStore();
+ const {
+ tracks,
+ moveClipToTrack,
+ updateClipTrim,
+ updateClipStartTime,
+ addClipToTrack,
+ removeClipFromTrack,
+ toggleTrackMute,
+ selectedClips,
+ selectClip,
+ deselectClip,
+ } = useTimelineStore();
+ const { currentTime } = usePlaybackStore();
+ const [isDropping, setIsDropping] = useState(false);
+ const [dropPosition, setDropPosition] = useState<number | null>(null);
+ const [isDraggedOver, setIsDraggedOver] = useState(false);
+ const [wouldOverlap, setWouldOverlap] = useState(false);
+ const [resizing, setResizing] = useState<{
+ clipId: string;
+ side: "left" | "right";
+ startX: number;
+ initialTrimStart: number;
+ initialTrimEnd: number;
+ } | null>(null);
+ const dragCounterRef = useRef(0);
+
+ const handleResizeStart = (
+ e: React.MouseEvent,
+ clipId: string,
+ side: "left" | "right"
+ ) => {
+ e.stopPropagation();
+ e.preventDefault();
+
+ const clip = track.clips.find((c) => c.id === clipId);
+ if (!clip) return;
+
+ setResizing({
+ clipId,
+ side,
+ startX: e.clientX,
+ initialTrimStart: clip.trimStart,
+ initialTrimEnd: clip.trimEnd,
+ });
+ };
+
+ const updateTrimFromMouseMove = (e: { clientX: number }) => {
+ if (!resizing) return;
+
+ const clip = track.clips.find((c) => c.id === resizing.clipId);
+ if (!clip) return;
+
+ const deltaX = e.clientX - resizing.startX;
+ const deltaTime = deltaX / (50 * zoomLevel);
+
+ if (resizing.side === "left") {
+ const newTrimStart = Math.max(
+ 0,
+ Math.min(
+ clip.duration - clip.trimEnd - 0.1,
+ resizing.initialTrimStart + deltaTime
+ )
+ );
+ updateClipTrim(track.id, clip.id, newTrimStart, clip.trimEnd);
+ } else {
+ const newTrimEnd = Math.max(
+ 0,
+ Math.min(
+ clip.duration - clip.trimStart - 0.1,
+ resizing.initialTrimEnd - deltaTime
+ )
+ );
+ updateClipTrim(track.id, clip.id, clip.trimStart, newTrimEnd);
+ }
+ };
+
+ const handleResizeMove = (e: React.MouseEvent) => {
+ updateTrimFromMouseMove(e);
+ };
+
+ const handleResizeEnd = () => {
+ setResizing(null);
+ };
+
+ const handleClipDragStart = (e: React.DragEvent, clip: any) => {
+ const dragData = { clipId: clip.id, trackId: track.id, name: clip.name };
+
+ e.dataTransfer.setData(
+ "application/x-timeline-clip",
+ JSON.stringify(dragData)
+ );
+ e.dataTransfer.effectAllowed = "move";
+
+ // Add visual feedback to the dragged element
+ const target = e.currentTarget.parentElement as HTMLElement;
+ target.style.opacity = "0.5";
+ target.style.transform = "scale(0.95)";
+ };
+
+ const handleClipDragEnd = (e: React.DragEvent) => {
+ // Reset visual feedback
+ const target = e.currentTarget.parentElement as HTMLElement;
+ target.style.opacity = "";
+ target.style.transform = "";
+ };
+
+ const handleTrackDragOver = (e: React.DragEvent) => {
+ e.preventDefault();
+
+ // Handle both timeline clips and media items
+ const hasTimelineClip = e.dataTransfer.types.includes(
+ "application/x-timeline-clip"
+ );
+ const hasMediaItem = e.dataTransfer.types.includes(
+ "application/x-media-item"
+ );
+
+ if (!hasTimelineClip && !hasMediaItem) return;
+
+ if (hasMediaItem) {
+ try {
+ const mediaItemData = e.dataTransfer.getData(
+ "application/x-media-item"
+ );
+ if (mediaItemData) {
+ const { type } = JSON.parse(mediaItemData);
+ const isCompatible =
+ (track.type === "video" &&
+ (type === "video" || type === "image")) ||
+ (track.type === "audio" && type === "audio");
+
+ if (!isCompatible) {
+ e.dataTransfer.dropEffect = "none";
+ return;
+ }
+ }
+ } catch (error) {}
+ }
+
+ // Calculate drop position for overlap checking
+ const trackContainer = e.currentTarget.querySelector(
+ ".track-clips-container"
+ ) as HTMLElement;
+ let dropTime = 0;
+ if (trackContainer) {
+ const rect = trackContainer.getBoundingClientRect();
+ const mouseX = Math.max(0, e.clientX - rect.left);
+ dropTime = mouseX / (50 * zoomLevel);
+ }
+
+ // Check for potential overlaps and show appropriate feedback
+ let wouldOverlap = false;
+
+ if (hasMediaItem) {
+ try {
+ const mediaItemData = e.dataTransfer.getData(
+ "application/x-media-item"
+ );
+ if (mediaItemData) {
+ const { id } = JSON.parse(mediaItemData);
+ const mediaItem = mediaItems.find((item) => item.id === id);
+ if (mediaItem) {
+ const newClipDuration = mediaItem.duration || 5;
+ const snappedTime = Math.round(dropTime * 10) / 10;
+ const newClipEnd = snappedTime + newClipDuration;
+
+ wouldOverlap = track.clips.some((existingClip) => {
+ const existingStart = existingClip.startTime;
+ const existingEnd =
+ existingClip.startTime +
+ (existingClip.duration -
+ existingClip.trimStart -
+ existingClip.trimEnd);
+ return snappedTime < existingEnd && newClipEnd > existingStart;
+ });
+ }
+ }
+ } catch (error) {
+ // Continue with default behavior
+ }
+ } else if (hasTimelineClip) {
+ try {
+ const timelineClipData = e.dataTransfer.getData(
+ "application/x-timeline-clip"
+ );
+ if (timelineClipData) {
+ const { clipId, trackId: fromTrackId } = JSON.parse(timelineClipData);
+ const sourceTrack = tracks.find(
+ (t: TimelineTrack) => t.id === fromTrackId
+ );
+ const movingClip = sourceTrack?.clips.find(
+ (c: any) => c.id === clipId
+ );
+
+ if (movingClip) {
+ const movingClipDuration =
+ movingClip.duration - movingClip.trimStart - movingClip.trimEnd;
+ const snappedTime = Math.round(dropTime * 10) / 10;
+ const movingClipEnd = snappedTime + movingClipDuration;
+
+ wouldOverlap = track.clips.some((existingClip) => {
+ if (fromTrackId === track.id && existingClip.id === clipId)
+ return false;
+
+ const existingStart = existingClip.startTime;
+ const existingEnd =
+ existingClip.startTime +
+ (existingClip.duration -
+ existingClip.trimStart -
+ existingClip.trimEnd);
+ return snappedTime < existingEnd && movingClipEnd > existingStart;
+ });
+ }
+ }
+ } catch (error) {
+ // Continue with default behavior
+ }
+ }
+
+ if (wouldOverlap) {
+ e.dataTransfer.dropEffect = "none";
+ setIsDraggedOver(true);
+ setWouldOverlap(true);
+ setDropPosition(Math.round(dropTime * 10) / 10);
+ return;
+ }
+
+ e.dataTransfer.dropEffect = hasTimelineClip ? "move" : "copy";
+ setIsDraggedOver(true);
+ setWouldOverlap(false);
+ setDropPosition(Math.round(dropTime * 10) / 10);
+ };
+
+ const handleTrackDragEnter = (e: React.DragEvent) => {
+ e.preventDefault();
+
+ const hasTimelineClip = e.dataTransfer.types.includes(
+ "application/x-timeline-clip"
+ );
+ const hasMediaItem = e.dataTransfer.types.includes(
+ "application/x-media-item"
+ );
+
+ if (!hasTimelineClip && !hasMediaItem) return;
+
+ dragCounterRef.current++;
+ setIsDropping(true);
+ setIsDraggedOver(true);
+ };
+
+ const handleTrackDragLeave = (e: React.DragEvent) => {
+ e.preventDefault();
+
+ const hasTimelineClip = e.dataTransfer.types.includes(
+ "application/x-timeline-clip"
+ );
+ const hasMediaItem = e.dataTransfer.types.includes(
+ "application/x-media-item"
+ );
+
+ if (!hasTimelineClip && !hasMediaItem) return;
+
+ dragCounterRef.current--;
+
+ if (dragCounterRef.current === 0) {
+ setIsDropping(false);
+ setIsDraggedOver(false);
+ setWouldOverlap(false);
+ setDropPosition(null);
+ }
+ };
+
+ const handleTrackDrop = (e: React.DragEvent) => {
+ e.preventDefault();
+ e.stopPropagation();
+
+ // Reset all drag states
+ dragCounterRef.current = 0;
+ setIsDropping(false);
+ setIsDraggedOver(false);
+ setWouldOverlap(false);
+ const currentDropPosition = dropPosition;
+ setDropPosition(null);
+
+ const hasTimelineClip = e.dataTransfer.types.includes(
+ "application/x-timeline-clip"
+ );
+ const hasMediaItem = e.dataTransfer.types.includes(
+ "application/x-media-item"
+ );
+
+ if (!hasTimelineClip && !hasMediaItem) return;
+
+ const trackContainer = e.currentTarget.querySelector(
+ ".track-clips-container"
+ ) as HTMLElement;
+ if (!trackContainer) return;
+
+ const rect = trackContainer.getBoundingClientRect();
+ const mouseX = Math.max(0, e.clientX - rect.left);
+ const newStartTime = mouseX / (50 * zoomLevel);
+ const snappedTime = Math.round(newStartTime * 10) / 10;
+
+ try {
+ if (hasTimelineClip) {
+ // Handle timeline clip movement
+ const timelineClipData = e.dataTransfer.getData(
+ "application/x-timeline-clip"
+ );
+ if (!timelineClipData) return;
+
+ const { clipId, trackId: fromTrackId } = JSON.parse(timelineClipData);
+
+ // Find the clip being moved
+ const sourceTrack = tracks.find(
+ (t: TimelineTrack) => t.id === fromTrackId
+ );
+ const movingClip = sourceTrack?.clips.find((c: any) => c.id === clipId);
+
+ if (!movingClip) {
+ toast.error("Clip not found");
+ return;
+ }
+
+ // Check for overlaps with existing clips (excluding the moving clip itself)
+ const movingClipDuration =
+ movingClip.duration - movingClip.trimStart - movingClip.trimEnd;
+ const movingClipEnd = snappedTime + movingClipDuration;
+
+ const hasOverlap = track.clips.some((existingClip) => {
+ // Skip the clip being moved if it's on the same track
+ if (fromTrackId === track.id && existingClip.id === clipId)
+ return false;
+
+ const existingStart = existingClip.startTime;
+ const existingEnd =
+ existingClip.startTime +
+ (existingClip.duration -
+ existingClip.trimStart -
+ existingClip.trimEnd);
+
+ // Check if clips overlap
+ return snappedTime < existingEnd && movingClipEnd > existingStart;
+ });
+
+ if (hasOverlap) {
+ toast.error(
+ "Cannot move clip here - it would overlap with existing clips"
+ );
+ return;
+ }
+
+ if (fromTrackId === track.id) {
+ // Moving within same track
+ updateClipStartTime(track.id, clipId, snappedTime);
+ } else {
+ // Moving to different track
+ moveClipToTrack(fromTrackId, track.id, clipId);
+ requestAnimationFrame(() => {
+ updateClipStartTime(track.id, clipId, snappedTime);
+ });
+ }
+ } else if (hasMediaItem) {
+ // Handle media item drop
+ const mediaItemData = e.dataTransfer.getData(
+ "application/x-media-item"
+ );
+ if (!mediaItemData) return;
+
+ const { id, type } = JSON.parse(mediaItemData);
+ const mediaItem = mediaItems.find((item) => item.id === id);
+
+ if (!mediaItem) {
+ toast.error("Media item not found");
+ return;
+ }
+
+ // Check if track type is compatible
+ const isCompatible =
+ (track.type === "video" && (type === "video" || type === "image")) ||
+ (track.type === "audio" && type === "audio");
+
+ if (!isCompatible) {
+ toast.error(`Cannot add ${type} to ${track.type} track`);
+ return;
+ }
+
+ // Check for overlaps with existing clips
+ const newClipDuration = mediaItem.duration || 5;
+ const newClipEnd = snappedTime + newClipDuration;
+
+ const hasOverlap = track.clips.some((existingClip) => {
+ const existingStart = existingClip.startTime;
+ const existingEnd =
+ existingClip.startTime +
+ (existingClip.duration -
+ existingClip.trimStart -
+ existingClip.trimEnd);
+
+ // Check if clips overlap
+ return snappedTime < existingEnd && newClipEnd > existingStart;
+ });
+
+ if (hasOverlap) {
+ toast.error(
+ "Cannot place clip here - it would overlap with existing clips"
+ );
+ return;
+ }
+
+ addClipToTrack(track.id, {
+ mediaId: mediaItem.id,
+ name: mediaItem.name,
+ duration: mediaItem.duration || 5,
+ startTime: snappedTime,
+ trimStart: 0,
+ trimEnd: 0,
+ });
+
+ toast.success(`Added ${mediaItem.name} to ${track.name}`);
+ }
+ } catch (error) {
+ console.error("Error handling drop:", error);
+ toast.error("Failed to add media to track");
+ }
+ };
+
+ const getTrackColor = (type: string) => {
+ switch (type) {
+ case "video":
+ return "bg-blue-500/20 border-blue-500/30";
+ case "audio":
+ return "bg-green-500/20 border-green-500/30";
+ case "effects":
+ return "bg-purple-500/20 border-purple-500/30";
+ default:
+ return "bg-gray-500/20 border-gray-500/30";
+ }
+ };
+
+ return (
+ <div
+ className={`w-full h-full transition-all duration-150 ease-out ${
+ isDraggedOver
+ ? wouldOverlap
+ ? "bg-red-500/15 border-2 border-dashed border-red-400 shadow-lg"
+ : "bg-blue-500/15 border-2 border-dashed border-blue-400 shadow-lg"
+ : "hover:bg-muted/20"
+ }`}
+ onContextMenu={(e) => {
+ e.preventDefault();
+ // Only show track menu if we didn't click on a clip
+ if (!(e.target as HTMLElement).closest(".timeline-clip")) {
+ setContextMenu({
+ type: "track",
+ trackId: track.id,
+ x: e.clientX,
+ y: e.clientY,
+ });
+ }
+ }}
+ onDragOver={handleTrackDragOver}
+ onDragEnter={handleTrackDragEnter}
+ onDragLeave={handleTrackDragLeave}
+ onDrop={handleTrackDrop}
+ onMouseMove={handleResizeMove}
+ onMouseUp={handleResizeEnd}
+ onMouseLeave={handleResizeEnd}
+ >
+ <div className="h-full relative track-clips-container min-w-full">
+ {track.clips.length === 0 ? (
+ <div
+ className={`h-full w-full rounded-sm border-2 border-dashed flex items-center justify-center text-xs text-muted-foreground transition-colors ${
+ isDropping
+ ? wouldOverlap
+ ? "border-red-500 bg-red-500/10 text-red-600"
+ : "border-blue-500 bg-blue-500/10 text-blue-600"
+ : "border-muted/30"
+ }`}
+ >
+ {isDropping
+ ? wouldOverlap
+ ? "Cannot drop - would overlap"
+ : "Drop clip here"
+ : "Drop media here"}
+ </div>
+ ) : (
+ <>
+ {track.clips.map((clip) => {
+ const isSelected = selectedClips.some(
+ (c) => c.trackId === track.id && c.clipId === clip.id
+ );
+ return (
+ <TimelineClip
+ key={clip.id}
+ clip={clip}
+ track={track}
+ zoomLevel={zoomLevel}
+ isSelected={isSelected}
+ onResizeStart={handleResizeStart}
+ onClipDragStart={handleClipDragStart}
+ onClipDragEnd={handleClipDragEnd}
+ onSelect={(e) => {
+ e.stopPropagation();
+ const isSelected = selectedClips.some(
+ (c) => c.trackId === track.id && c.clipId === clip.id
+ );
+
+ if (e.metaKey || e.ctrlKey || e.shiftKey) {
+ // Multi-selection mode: toggle the clip
+ selectClip(track.id, clip.id, true);
+ } else if (isSelected) {
+ // If clip is already selected, deselect it
+ deselectClip(track.id, clip.id);
+ } else {
+ // If clip is not selected, select it (replacing other selections)
+ selectClip(track.id, clip.id, false);
+ }
+ }}
+ onContextMenu={(e) => {
+ e.preventDefault();
+ e.stopPropagation();
+ setContextMenu({
+ type: "clip",
+ trackId: track.id,
+ clipId: clip.id,
+ x: e.clientX,
+ y: e.clientY,
+ });
+ }}
+ getTrackColor={getTrackColor}
+ />
+ );
+ })}
+
+ {/* Drop position indicator */}
+ {isDraggedOver && dropPosition !== null && (
+ <div
+ className={`absolute top-0 bottom-0 w-1 pointer-events-none z-30 transition-all duration-75 ease-out ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
+ style={{
+ left: `${dropPosition * 50 * zoomLevel}px`,
+ transform: "translateX(-50%)",
+ }}
+ >
+ <div
+ className={`absolute -top-2 left-1/2 transform -translate-x-1/2 w-3 h-3 rounded-full border-2 border-white shadow-md ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
+ />
+ <div
+ className={`absolute -bottom-2 left-1/2 transform -translate-x-1/2 w-3 h-3 rounded-full border-2 border-white shadow-md ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
+ />
+ <div
+ className={`absolute top-1/2 left-1/2 transform -translate-x-1/2 -translate-y-1/2 text-xs text-white px-1 py-0.5 rounded whitespace-nowrap ${wouldOverlap ? "bg-red-500" : "bg-blue-500"}`}
+ >
+ {wouldOverlap ? "⚠️" : ""}
+ {dropPosition.toFixed(1)}s
+ </div>
+ </div>
+ )}
+ </>
+ )}
+ </div>
+ </div>
+ );
+}
diff --git a/apps/web/src/components/editor/timeline/timeline.tsx b/apps/web/src/components/editor/timeline/timeline.tsx new file mode 100644 index 00000000..5f3dd5a8 --- /dev/null +++ b/apps/web/src/components/editor/timeline/timeline.tsx @@ -0,0 +1,798 @@ +"use client";
+
+import { ScrollArea } from "../../ui/scroll-area";
+import {
+ SplitSquareHorizontal,
+ Volume2,
+ VolumeX,
+ Trash2,
+ Scissors,
+ Copy,
+} from "lucide-react";
+import { TimelineTrackContent } from "./timeline-track-content";
+import { TimelineToolbar } from "./timeline-toolbar";
+import { useTimelineStore } from "@/stores/timeline-store";
+import { useMediaStore } from "@/stores/media-store";
+import { usePlaybackStore } from "@/stores/playback-store";
+import { useKeyboardShortcuts } from "@/hooks/use-keyboard-shortcuts";
+import { processMediaFiles } from "@/lib/media-processing";
+import { toast } from "sonner";
+import { useState, useRef, useEffect, useCallback } from "react";
+
+export function Timeline() {
+ // Timeline shows all tracks (video, audio, effects) and their clips.
+ // You can drag media here to add it to your project.
+ // Clips can be trimmed, deleted, and moved.
+ const {
+ tracks,
+ addTrack,
+ addClipToTrack,
+ removeTrack,
+ toggleTrackMute,
+ removeClipFromTrack,
+ getTotalDuration,
+ selectedClips,
+ clearSelectedClips,
+ setSelectedClips,
+ updateClipTrim,
+ } = useTimelineStore();
+ const { mediaItems, addMediaItem } = useMediaStore();
+ const { currentTime, duration, seek, setDuration } = usePlaybackStore();
+ const [isDragOver, setIsDragOver] = useState(false);
+ const [isProcessing, setIsProcessing] = useState(false);
+ const [zoomLevel, setZoomLevel] = useState(1);
+ const dragCounterRef = useRef(0);
+ const timelineRef = useRef<HTMLDivElement>(null);
+ const [isInTimeline, setIsInTimeline] = useState(false);
+
+ // Unified context menu state
+ const [contextMenu, setContextMenu] = useState<{
+ type: "track" | "clip";
+ trackId: string;
+ clipId?: string;
+ x: number;
+ y: number;
+ } | null>(null);
+
+ // Marquee selection state
+ const [marquee, setMarquee] = useState<{
+ startX: number;
+ startY: number;
+ endX: number;
+ endY: number;
+ active: boolean;
+ additive: boolean;
+ } | null>(null);
+
+ // Playhead scrubbing state
+ const [isScrubbing, setIsScrubbing] = useState(false);
+ const [scrubTime, setScrubTime] = useState<number | null>(null);
+
+ // Initialize keyboard shortcuts
+ useKeyboardShortcuts();
+
+ // Update timeline duration when tracks change
+ useEffect(() => {
+ const totalDuration = getTotalDuration();
+ setDuration(Math.max(totalDuration, 10)); // Minimum 10 seconds for empty timeline
+ }, [tracks, setDuration, getTotalDuration]);
+
+ // Close context menu on click elsewhere
+ useEffect(() => {
+ const handleClick = () => setContextMenu(null);
+ if (contextMenu) {
+ window.addEventListener("click", handleClick);
+ return () => window.removeEventListener("click", handleClick);
+ }
+ }, [contextMenu]);
+
+ // Mouse down on timeline background to start marquee
+ const handleTimelineMouseDown = (e: React.MouseEvent) => {
+ if (e.target === e.currentTarget && e.button === 0) {
+ setMarquee({
+ startX: e.clientX,
+ startY: e.clientY,
+ endX: e.clientX,
+ endY: e.clientY,
+ active: true,
+ additive: e.metaKey || e.ctrlKey || e.shiftKey,
+ });
+ }
+ };
+
+ // Mouse move to update marquee
+ useEffect(() => {
+ if (!marquee || !marquee.active) return;
+ const handleMouseMove = (e: MouseEvent) => {
+ setMarquee(
+ (prev) => prev && { ...prev, endX: e.clientX, endY: e.clientY }
+ );
+ };
+ const handleMouseUp = (e: MouseEvent) => {
+ setMarquee(
+ (prev) =>
+ prev && { ...prev, endX: e.clientX, endY: e.clientY, active: false }
+ );
+ };
+ window.addEventListener("mousemove", handleMouseMove);
+ window.addEventListener("mouseup", handleMouseUp);
+ return () => {
+ window.removeEventListener("mousemove", handleMouseMove);
+ window.removeEventListener("mouseup", handleMouseUp);
+ };
+ }, [marquee]);
+
+ // On marquee end, select clips in box
+ useEffect(() => {
+ if (!marquee || marquee.active) return;
+ const timeline = timelineRef.current;
+ if (!timeline) return;
+ const rect = timeline.getBoundingClientRect();
+ const x1 = Math.min(marquee.startX, marquee.endX) - rect.left;
+ const x2 = Math.max(marquee.startX, marquee.endX) - rect.left;
+ const y1 = Math.min(marquee.startY, marquee.endY) - rect.top;
+ const y2 = Math.max(marquee.startY, marquee.endY) - rect.top;
+ // Validation: skip if too small
+ if (Math.abs(x2 - x1) < 5 || Math.abs(y2 - y1) < 5) {
+ setMarquee(null);
+ return;
+ }
+ // Clamp to timeline bounds
+ const clamp = (val: number, min: number, max: number) =>
+ Math.max(min, Math.min(max, val));
+ const bx1 = clamp(x1, 0, rect.width);
+ const bx2 = clamp(x2, 0, rect.width);
+ const by1 = clamp(y1, 0, rect.height);
+ const by2 = clamp(y2, 0, rect.height);
+ let newSelection: { trackId: string; clipId: string }[] = [];
+ tracks.forEach((track, trackIdx) => {
+ track.clips.forEach((clip) => {
+ const effectiveDuration = clip.duration - clip.trimStart - clip.trimEnd;
+ const clipWidth = Math.max(80, effectiveDuration * 50 * zoomLevel);
+ const clipLeft = clip.startTime * 50 * zoomLevel;
+ const clipTop = trackIdx * 60;
+ const clipBottom = clipTop + 60;
+ const clipRight = clipLeft + clipWidth;
+ if (
+ bx1 < clipRight &&
+ bx2 > clipLeft &&
+ by1 < clipBottom &&
+ by2 > clipTop
+ ) {
+ newSelection.push({ trackId: track.id, clipId: clip.id });
+ }
+ });
+ });
+ if (newSelection.length > 0) {
+ if (marquee.additive) {
+ const selectedSet = new Set(
+ selectedClips.map((c) => c.trackId + ":" + c.clipId)
+ );
+ newSelection = [
+ ...selectedClips,
+ ...newSelection.filter(
+ (c) => !selectedSet.has(c.trackId + ":" + c.clipId)
+ ),
+ ];
+ }
+ setSelectedClips(newSelection);
+ } else if (!marquee.additive) {
+ clearSelectedClips();
+ }
+ setMarquee(null);
+ }, [
+ marquee,
+ tracks,
+ zoomLevel,
+ selectedClips,
+ setSelectedClips,
+ clearSelectedClips,
+ ]);
+
+ const handleDragEnter = (e: React.DragEvent) => {
+ // When something is dragged over the timeline, show overlay
+ e.preventDefault();
+ // Don't show overlay for timeline clips - they're handled by tracks
+ if (e.dataTransfer.types.includes("application/x-timeline-clip")) {
+ return;
+ }
+ dragCounterRef.current += 1;
+ if (!isDragOver) {
+ setIsDragOver(true);
+ }
+ };
+
+ const handleDragOver = (e: React.DragEvent) => {
+ e.preventDefault();
+ };
+
+ const handleDragLeave = (e: React.DragEvent) => {
+ e.preventDefault();
+
+ // Don't update state for timeline clips - they're handled by tracks
+ if (e.dataTransfer.types.includes("application/x-timeline-clip")) {
+ return;
+ }
+
+ dragCounterRef.current -= 1;
+ if (dragCounterRef.current === 0) {
+ setIsDragOver(false);
+ }
+ };
+
+ const handleDrop = async (e: React.DragEvent) => {
+ // When media is dropped, add it as a new track/clip
+ e.preventDefault();
+ setIsDragOver(false);
+ dragCounterRef.current = 0;
+
+ // Ignore timeline clip drags - they're handled by track-specific handlers
+ const hasTimelineClip = e.dataTransfer.types.includes(
+ "application/x-timeline-clip"
+ );
+ if (hasTimelineClip) {
+ return;
+ }
+
+ const mediaItemData = e.dataTransfer.getData("application/x-media-item");
+ if (mediaItemData) {
+ // Handle media item drops by creating new tracks
+ try {
+ const { id, type } = JSON.parse(mediaItemData);
+ const mediaItem = mediaItems.find((item) => item.id === id);
+ if (!mediaItem) {
+ toast.error("Media item not found");
+ return;
+ }
+ // Add to video or audio track depending on type
+ const trackType = type === "audio" ? "audio" : "video";
+ const newTrackId = addTrack(trackType);
+ addClipToTrack(newTrackId, {
+ mediaId: mediaItem.id,
+ name: mediaItem.name,
+ duration: mediaItem.duration || 5,
+ startTime: 0,
+ trimStart: 0,
+ trimEnd: 0,
+ });
+ toast.success(`Added ${mediaItem.name} to new ${trackType} track`);
+ } catch (error) {
+ // Show error if parsing fails
+ console.error("Error parsing media item data:", error);
+ toast.error("Failed to add media to timeline");
+ }
+ } else if (e.dataTransfer.files?.length > 0) {
+ // Handle file drops by creating new tracks
+ setIsProcessing(true);
+ try {
+ const processedItems = await processMediaFiles(e.dataTransfer.files);
+ for (const processedItem of processedItems) {
+ addMediaItem(processedItem);
+ const currentMediaItems = useMediaStore.getState().mediaItems;
+ const addedItem = currentMediaItems.find(
+ (item) =>
+ item.name === processedItem.name && item.url === processedItem.url
+ );
+ if (addedItem) {
+ const trackType =
+ processedItem.type === "audio" ? "audio" : "video";
+ const newTrackId = addTrack(trackType);
+ addClipToTrack(newTrackId, {
+ mediaId: addedItem.id,
+ name: addedItem.name,
+ duration: addedItem.duration || 5,
+ startTime: 0,
+ trimStart: 0,
+ trimEnd: 0,
+ });
+ }
+ }
+ } catch (error) {
+ // Show error if file processing fails
+ console.error("Error processing external files:", error);
+ toast.error("Failed to process dropped files");
+ } finally {
+ setIsProcessing(false);
+ }
+ }
+ };
+
+ const handleSeekToPosition = (e: React.MouseEvent) => {
+ const rect = e.currentTarget.getBoundingClientRect();
+ const clickX = e.clientX - rect.left;
+ const clickedTime = clickX / (50 * zoomLevel);
+ const clampedTime = Math.max(0, Math.min(duration, clickedTime));
+
+ seek(clampedTime);
+ };
+
+ const handleTimelineAreaClick = (e: React.MouseEvent) => {
+ if (e.target === e.currentTarget) {
+ clearSelectedClips();
+
+ // Calculate the clicked time position and seek to it
+ handleSeekToPosition(e);
+ }
+ };
+
+ const handleWheel = (e: React.WheelEvent) => {
+ // Only zoom if user is using pinch gesture (ctrlKey or metaKey is true)
+ if (e.ctrlKey || e.metaKey) {
+ e.preventDefault();
+ const delta = e.deltaY > 0 ? -0.05 : 0.05;
+ setZoomLevel((prev) => Math.max(0.1, Math.min(10, prev + delta)));
+ }
+ // Otherwise, allow normal scrolling
+ };
+
+ // --- Playhead Scrubbing Handlers ---
+ const handlePlayheadMouseDown = useCallback(
+ (e: React.MouseEvent) => {
+ e.preventDefault();
+ setIsScrubbing(true);
+ handleScrub(e);
+ },
+ [duration, zoomLevel]
+ );
+
+ const handleScrub = useCallback(
+ (e: MouseEvent | React.MouseEvent) => {
+ const timeline = timelineRef.current;
+ if (!timeline) return;
+ const rect = timeline.getBoundingClientRect();
+ const x = e.clientX - rect.left;
+ const time = Math.max(0, Math.min(duration, x / (50 * zoomLevel)));
+ setScrubTime(time);
+ seek(time); // update video preview in real time
+ },
+ [duration, zoomLevel, seek]
+ );
+
+ useEffect(() => {
+ if (!isScrubbing) return;
+ const onMouseMove = (e: MouseEvent) => handleScrub(e);
+ const onMouseUp = (e: MouseEvent) => {
+ setIsScrubbing(false);
+ if (scrubTime !== null) seek(scrubTime); // finalize seek
+ setScrubTime(null);
+ };
+ window.addEventListener("mousemove", onMouseMove);
+ window.addEventListener("mouseup", onMouseUp);
+ return () => {
+ window.removeEventListener("mousemove", onMouseMove);
+ window.removeEventListener("mouseup", onMouseUp);
+ };
+ }, [isScrubbing, scrubTime, seek, handleScrub]);
+
+ const playheadPosition =
+ isScrubbing && scrubTime !== null ? scrubTime : currentTime;
+
+ const dragProps = {
+ onDragEnter: handleDragEnter,
+ onDragOver: handleDragOver,
+ onDragLeave: handleDragLeave,
+ onDrop: handleDrop,
+ };
+
+ // Prevent explorer zooming in/out when in timeline
+ useEffect(() => {
+ const preventZoom = (e: WheelEvent) => {
+ // if (isInTimeline && (e.ctrlKey || e.metaKey)) {
+ if (
+ isInTimeline &&
+ (e.ctrlKey || e.metaKey) &&
+ timelineRef.current?.contains(e.target as Node)
+ ) {
+ e.preventDefault();
+ }
+ };
+
+ document.addEventListener("wheel", preventZoom, { passive: false });
+
+ return () => {
+ document.removeEventListener("wheel", preventZoom);
+ };
+ }, [isInTimeline]);
+
+ return (
+ <div
+ className={`h-full flex flex-col transition-colors duration-200 relative ${isDragOver ? "bg-accent/30 border-accent" : ""}`}
+ {...dragProps}
+ onMouseEnter={() => setIsInTimeline(true)}
+ onMouseLeave={() => setIsInTimeline(false)}
+ onWheel={handleWheel}
+ >
+ {/* Show overlay when dragging media over the timeline */}
+ {isDragOver && (
+ <div className="absolute inset-0 z-20 flex items-center justify-center pointer-events-none">
+ <div className="bg-accent/80 text-accent-foreground px-8 py-4 rounded-lg shadow-lg text-lg font-semibold border border-accent">
+ Drop media here to add to timeline
+ </div>
+ </div>
+ )}
+
+ {/* Toolbar */}
+ <TimelineToolbar />
+
+ {/* Timeline Container */}
+ <div className="flex-1 flex flex-col overflow-hidden">
+ {/* Timeline Header with Ruler */}
+ <div className="flex border-b bg-background sticky top-0 z-10">
+ {/* Track Labels Header */}
+ <div className="w-48 flex-shrink-0 bg-muted/30 border-r flex items-center justify-between px-3 py-2">
+ <span className="text-sm font-medium text-muted-foreground">
+ Tracks
+ </span>
+ <div className="text-xs text-muted-foreground">
+ {zoomLevel.toFixed(1)}x
+ </div>
+ </div>
+
+ {/* Timeline Ruler */}
+ <div className="flex-1 relative overflow-hidden">
+ <ScrollArea className="w-full">
+ <div
+ className="relative h-12 bg-muted/30 cursor-pointer"
+ style={{
+ width: `${Math.max(1000, duration * 50 * zoomLevel)}px`,
+ }}
+ onClick={(e) => {
+ // Calculate the clicked time position and seek to it
+ handleSeekToPosition(e);
+ }}
+ >
+ {/* Time markers */}
+ {(() => {
+ // Calculate appropriate time interval based on zoom level
+ const getTimeInterval = (zoom: number) => {
+ const pixelsPerSecond = 50 * 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 * 50 * zoomLevel}px` }}
+ >
+ <span
+ className={`absolute top-1 left-1 text-xs ${
+ isMainMarker
+ ? "text-muted-foreground font-medium"
+ : "text-muted-foreground/70"
+ }`}
+ >
+ {(() => {
+ const formatTime = (seconds: number) => {
+ const hours = Math.floor(seconds / 3600);
+ const minutes = Math.floor((seconds % 3600) / 60);
+ const secs = seconds % 60;
+
+ if (hours > 0) {
+ return `${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);
+ })()}
+
+ {/* Playhead in ruler (scrubbable) */}
+ <div
+ className="absolute top-0 bottom-0 w-0.5 bg-red-500 pointer-events-auto z-10 cursor-ew-resize"
+ style={{ left: `${playheadPosition * 50 * zoomLevel}px` }}
+ onMouseDown={handlePlayheadMouseDown}
+ >
+ <div className="absolute top-1 left-1/2 transform -translate-x-1/2 w-3 h-3 bg-red-500 rounded-full border-2 border-white shadow-sm" />
+ </div>
+ </div>
+ </ScrollArea>
+ </div>
+ </div>
+
+ {/* Tracks Area */}
+ <div className="flex-1 flex overflow-hidden">
+ {/* Track Labels */}
+ {tracks.length > 0 && (
+ <div className="w-48 flex-shrink-0 border-r bg-background overflow-y-auto">
+ <div className="flex flex-col">
+ {tracks.map((track) => (
+ <div
+ key={track.id}
+ className="h-[60px] flex items-center px-3 border-b border-muted/30 bg-background group"
+ onContextMenu={(e) => {
+ e.preventDefault();
+ setContextMenu({
+ type: "track",
+ trackId: track.id,
+ x: e.clientX,
+ y: e.clientY,
+ });
+ }}
+ >
+ <div className="flex items-center flex-1 min-w-0">
+ <div
+ className={`w-3 h-3 rounded-full flex-shrink-0 ${
+ track.type === "video"
+ ? "bg-blue-500"
+ : track.type === "audio"
+ ? "bg-green-500"
+ : "bg-purple-500"
+ }`}
+ />
+ <span className="ml-2 text-sm font-medium truncate">
+ {track.name}
+ </span>
+ </div>
+ {track.muted && (
+ <span className="ml-2 text-xs text-red-500 font-semibold flex-shrink-0">
+ Muted
+ </span>
+ )}
+ </div>
+ ))}
+ </div>
+ </div>
+ )}
+
+ {/* Timeline Tracks Content */}
+ <div className="flex-1 relative overflow-hidden">
+ <div
+ className="w-full h-full overflow-hidden flex"
+ ref={timelineRef}
+ style={{ position: "relative" }}
+ >
+ {/* Timeline grid and clips area (with left margin for sifdebar) */}
+ <div
+ className="relative flex-1"
+ style={{
+ height: `${Math.max(200, Math.min(800, tracks.length * 60))}px`,
+ width: `${Math.max(1000, duration * 50 * zoomLevel)}px`,
+ }}
+ onClick={handleTimelineAreaClick}
+ onMouseDown={handleTimelineMouseDown}
+ >
+ {tracks.length === 0 ? (
+ <div className="absolute inset-0 flex items-center justify-center">
+ <div className="text-center">
+ <div className="w-16 h-16 rounded-full bg-muted/30 flex items-center justify-center mb-4 mx-auto">
+ <SplitSquareHorizontal className="h-8 w-8 text-muted-foreground" />
+ </div>
+ <p className="text-sm text-muted-foreground">
+ Drop media here to start
+ </p>
+ </div>
+ </div>
+ ) : (
+ <>
+ {tracks.map((track, index) => (
+ <div
+ key={track.id}
+ className="absolute left-0 right-0 border-b border-muted/30"
+ style={{
+ top: `${index * 60}px`,
+ height: "60px",
+ }}
+ // Show context menu on right click
+ onContextMenu={(e) => {
+ e.preventDefault();
+ setContextMenu({
+ type: "track",
+ trackId: track.id,
+ x: e.clientX,
+ y: e.clientY,
+ });
+ }}
+ >
+ <TimelineTrackContent
+ track={track}
+ zoomLevel={zoomLevel}
+ setContextMenu={setContextMenu}
+ />
+ </div>
+ ))}
+
+ {/* Playhead for tracks area (scrubbable) */}
+ {tracks.length > 0 && (
+ <div
+ className="absolute top-0 w-0.5 bg-red-500 pointer-events-auto z-20 cursor-ew-resize"
+ style={{
+ left: `${playheadPosition * 50 * zoomLevel}px`,
+ height: `${tracks.length * 60}px`,
+ }}
+ onMouseDown={handlePlayheadMouseDown}
+ />
+ )}
+ </>
+ )}
+ </div>
+ </div>
+ </div>
+ </div>
+ </div>
+
+ {/* Clean Unified Context Menu */}
+ {contextMenu && (
+ <div
+ className="fixed z-50 min-w-[160px] bg-popover border border-border rounded-md shadow-md py-1 text-sm"
+ style={{ left: contextMenu.x, top: contextMenu.y }}
+ onContextMenu={(e) => e.preventDefault()}
+ >
+ {contextMenu.type === "track" ? (
+ // Track context menu
+ <>
+ <button
+ className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
+ onClick={() => {
+ const track = tracks.find(
+ (t) => t.id === contextMenu.trackId
+ );
+ if (track) toggleTrackMute(track.id);
+ setContextMenu(null);
+ }}
+ >
+ {(() => {
+ const track = tracks.find(
+ (t) => t.id === contextMenu.trackId
+ );
+ return track?.muted ? (
+ <>
+ <Volume2 className="h-4 w-4 mr-2" />
+ Unmute Track
+ </>
+ ) : (
+ <>
+ <VolumeX className="h-4 w-4 mr-2" />
+ Mute Track
+ </>
+ );
+ })()}
+ </button>
+ <div className="h-px bg-border mx-1 my-1" />
+ <button
+ className="flex items-center w-full px-3 py-2 text-destructive hover:bg-destructive/10 transition-colors text-left"
+ onClick={() => {
+ removeTrack(contextMenu.trackId);
+ setContextMenu(null);
+ toast.success("Track deleted");
+ }}
+ >
+ <Trash2 className="h-4 w-4 mr-2" />
+ Delete Track
+ </button>
+ </>
+ ) : (
+ // Clip context menu
+ <>
+ <button
+ className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
+ onClick={() => {
+ if (contextMenu.clipId) {
+ const track = tracks.find(
+ (t) => t.id === contextMenu.trackId
+ );
+ const clip = track?.clips.find(
+ (c) => c.id === contextMenu.clipId
+ );
+ if (clip && track) {
+ const splitTime = currentTime;
+ const effectiveStart = clip.startTime;
+ const effectiveEnd =
+ clip.startTime +
+ (clip.duration - clip.trimStart - clip.trimEnd);
+
+ if (
+ splitTime > effectiveStart &&
+ splitTime < effectiveEnd
+ ) {
+ updateClipTrim(
+ track.id,
+ clip.id,
+ clip.trimStart,
+ clip.trimEnd + (effectiveEnd - splitTime)
+ );
+ useTimelineStore.getState().addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (split)",
+ duration: clip.duration,
+ startTime: splitTime,
+ trimStart:
+ clip.trimStart + (splitTime - effectiveStart),
+ trimEnd: clip.trimEnd,
+ });
+ toast.success("Clip split successfully");
+ } else {
+ toast.error("Playhead must be within clip to split");
+ }
+ }
+ }
+ setContextMenu(null);
+ }}
+ >
+ <Scissors className="h-4 w-4 mr-2" />
+ Split at Playhead
+ </button>
+ <button
+ className="flex items-center w-full px-3 py-2 hover:bg-accent hover:text-accent-foreground transition-colors text-left"
+ onClick={() => {
+ if (contextMenu.clipId) {
+ const track = tracks.find(
+ (t) => t.id === contextMenu.trackId
+ );
+ const clip = track?.clips.find(
+ (c) => c.id === contextMenu.clipId
+ );
+ if (clip && track) {
+ useTimelineStore.getState().addClipToTrack(track.id, {
+ mediaId: clip.mediaId,
+ name: clip.name + " (copy)",
+ duration: clip.duration,
+ startTime:
+ clip.startTime +
+ (clip.duration - clip.trimStart - clip.trimEnd) +
+ 0.1,
+ trimStart: clip.trimStart,
+ trimEnd: clip.trimEnd,
+ });
+ toast.success("Clip duplicated");
+ }
+ }
+ setContextMenu(null);
+ }}
+ >
+ <Copy className="h-4 w-4 mr-2" />
+ Duplicate Clip
+ </button>
+ <div className="h-px bg-border mx-1 my-1" />
+ <button
+ className="flex items-center w-full px-3 py-2 text-destructive hover:bg-destructive/10 transition-colors text-left"
+ onClick={() => {
+ if (contextMenu.clipId) {
+ removeClipFromTrack(
+ contextMenu.trackId,
+ contextMenu.clipId
+ );
+ toast.success("Clip deleted");
+ }
+ setContextMenu(null);
+ }}
+ >
+ <Trash2 className="h-4 w-4 mr-2" />
+ Delete Clip
+ </button>
+ </>
+ )}
+ </div>
+ )}
+ </div>
+ );
+}
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