From 822323d883f14120a55f79641be3e025fb919470 Mon Sep 17 00:00:00 2001 From: Maze Winther Date: Sun, 29 Jun 2025 23:09:40 +0200 Subject: [PATCH] refactor: update timeline to use context menu component --- apps/web/src/components/editor/timeline.tsx | 3665 +++++++++---------- apps/web/src/types/timeline.ts | 49 +- 2 files changed, 1812 insertions(+), 1902 deletions(-) diff --git a/apps/web/src/components/editor/timeline.tsx b/apps/web/src/components/editor/timeline.tsx index ee0a256..ba84386 100644 --- a/apps/web/src/components/editor/timeline.tsx +++ b/apps/web/src/components/editor/timeline.tsx @@ -1,1873 +1,1792 @@ -"use client"; - -import { ScrollArea } from "../ui/scroll-area"; -import { Button } from "../ui/button"; -import { - Scissors, - ArrowLeftToLine, - ArrowRightToLine, - Trash2, - Snowflake, - Copy, - SplitSquareHorizontal, - Volume2, - VolumeX, - Pause, - Play, -} from "lucide-react"; -import { - Tooltip, - TooltipContent, - TooltipTrigger, - TooltipProvider, -} from "../ui/tooltip"; -import { - useTimelineStore, - type TimelineTrack, - type TimelineClip as TypeTimelineClip, -} from "@/stores/timeline-store"; -import { useMediaStore } from "@/stores/media-store"; -import { usePlaybackStore } from "@/stores/playback-store"; -import { useDragClip } from "@/hooks/use-drag-clip"; -import { processMediaFiles } from "@/lib/media-processing"; -import { toast } from "sonner"; -import { useState, useRef, useEffect, useCallback } from "react"; -import { - Select, - SelectContent, - SelectItem, - SelectTrigger, - SelectValue, -} from "../ui/select"; -import { TimelineClip } from "./timeline-clip"; -import { ContextMenuState } from "@/types/timeline"; - -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, - splitClip, - splitAndKeepLeft, - splitAndKeepRight, - separateAudio, - undo, - redo, - } = useTimelineStore(); - const { mediaItems, addMediaItem } = useMediaStore(); - const { - currentTime, - duration, - seek, - setDuration, - isPlaying, - toggle, - setSpeed, - speed, - } = usePlaybackStore(); - const [isDragOver, setIsDragOver] = useState(false); - const [isProcessing, setIsProcessing] = useState(false); - const [progress, setProgress] = useState(0); - const [zoomLevel, setZoomLevel] = useState(1); - const dragCounterRef = useRef(0); - const timelineRef = useRef(null); - const [isInTimeline, setIsInTimeline] = useState(false); - - // Unified context menu state - const [contextMenu, setContextMenu] = useState(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(null); - - // Dynamic timeline width calculation based on playhead position and duration - const dynamicTimelineWidth = Math.max( - (duration || 0) * 50 * zoomLevel, // Base width from duration - (currentTime + 30) * 50 * zoomLevel, // Width to show current time + 30 seconds buffer - timelineRef.current?.clientWidth || 1000 // Minimum width - ); - - // Scroll synchronization and auto-scroll to playhead - const rulerScrollRef = useRef(null); - const tracksScrollRef = useRef(null); - const isUpdatingRef = useRef(false); - const lastRulerSync = useRef(0); - const lastTracksSync = useRef(0); - - // New refs for direct playhead DOM manipulation - const rulerPlayheadRef = useRef(null); - const tracksPlayheadRef = useRef(null); - - // Refs to store initial mouse and scroll positions for drag calculations - const initialMouseXRef = useRef(0); - const initialTimelineScrollLeftRef = useRef(0); - - // 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]); - - // Keyboard event for deleting selected clips - useEffect(() => { - const handleKeyDown = (e: KeyboardEvent) => { - if ( - (e.key === "Delete" || e.key === "Backspace") && - selectedClips.length > 0 - ) { - selectedClips.forEach(({ trackId, clipId }) => { - removeClipFromTrack(trackId, clipId); - }); - clearSelectedClips(); - } - }; - window.addEventListener("keydown", handleKeyDown); - return () => window.removeEventListener("keydown", handleKeyDown); - }, [selectedClips, removeClipFromTrack, clearSelectedClips]); - - // Keyboard event for undo (Cmd+Z) - useEffect(() => { - const handleKeyDown = (e: KeyboardEvent) => { - if ((e.metaKey || e.ctrlKey) && e.key === "z" && !e.shiftKey) { - e.preventDefault(); - undo(); - } - }; - window.addEventListener("keydown", handleKeyDown); - return () => window.removeEventListener("keydown", handleKeyDown); - }, [undo]); - - // Keyboard event for redo (Cmd+Shift+Z or Cmd+Y) - useEffect(() => { - const handleKeyDown = (e: KeyboardEvent) => { - if ((e.metaKey || e.ctrlKey) && e.key === "z" && e.shiftKey) { - e.preventDefault(); - redo(); - } else if ((e.metaKey || e.ctrlKey) && e.key === "y") { - e.preventDefault(); - redo(); - } - }; - window.addEventListener("keydown", handleKeyDown); - return () => window.removeEventListener("keydown", handleKeyDown); - }, [redo]); - - // 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 + 60; // Set a fixed width for time display - 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); - setProgress(0); - try { - const processedItems = await processMediaFiles( - e.dataTransfer.files, - (p) => setProgress(p) - ); - 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); - setProgress(0); - } - } - }; - - 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, - }; - - // Action handlers for toolbar - const handleSplitSelected = () => { - if (selectedClips.length === 0) { - toast.error("No clips selected"); - return; - } - let splitCount = 0; - 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 effectiveStart = clip.startTime; - const effectiveEnd = - clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); - - if (currentTime > effectiveStart && currentTime < effectiveEnd) { - const newClipId = splitClip(trackId, clipId, currentTime); - if (newClipId) splitCount++; - } - } - }); - if (splitCount > 0) { - toast.success(`Split ${splitCount} clip(s) at playhead`); - } else { - toast.error("Playhead must be within selected clips to split"); - } - }; - - 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 handleSplitAndKeepLeft = () => { - if (selectedClips.length === 0) { - toast.error("No clips selected"); - return; - } - - let splitCount = 0; - 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 effectiveStart = clip.startTime; - const effectiveEnd = clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); - - if (currentTime > effectiveStart && currentTime < effectiveEnd) { - splitAndKeepLeft(trackId, clipId, currentTime); - splitCount++; - } - } - }); - - if (splitCount > 0) { - toast.success(`Split and kept left portion of ${splitCount} clip(s)`); - } else { - toast.error("Playhead must be within selected clips"); - } - }; - - const handleSplitAndKeepRight = () => { - if (selectedClips.length === 0) { - toast.error("No clips selected"); - return; - } - - let splitCount = 0; - 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 effectiveStart = clip.startTime; - const effectiveEnd = clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); - - if (currentTime > effectiveStart && currentTime < effectiveEnd) { - splitAndKeepRight(trackId, clipId, currentTime); - splitCount++; - } - } - }); - - if (splitCount > 0) { - toast.success(`Split and kept right portion of ${splitCount} clip(s)`); - } else { - toast.error("Playhead must be within selected clips"); - } - }; - - const handleSeparateAudio = () => { - if (selectedClips.length === 0) { - toast.error("No clips selected"); - return; - } - - let separatedCount = 0; - selectedClips.forEach(({ trackId, clipId }) => { - const track = tracks.find((t) => t.id === trackId); - const clip = track?.clips.find((c) => c.id === clipId); - const mediaItem = mediaItems.find((item) => item.id === clip?.mediaId); - - if (clip && track && mediaItem?.type === "video" && track.type === "video") { - const audioClipId = separateAudio(trackId, clipId); - if (audioClipId) separatedCount++; - } - }); - - if (separatedCount > 0) { - toast.success(`Separated audio from ${separatedCount} video clip(s)`); - } else { - toast.error("Select video clips to separate audio"); - } - }; - 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)"); - }; - - // 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]); - - // --- Scroll synchronization effect --- - useEffect(() => { - const rulerViewport = rulerScrollRef.current?.querySelector('[data-radix-scroll-area-viewport]') as HTMLElement; - const tracksViewport = tracksScrollRef.current?.querySelector('[data-radix-scroll-area-viewport]') as HTMLElement; - if (!rulerViewport || !tracksViewport) return; - const handleRulerScroll = () => { - const now = Date.now(); - if (isUpdatingRef.current || now - lastRulerSync.current < 16) return; - lastRulerSync.current = now; - isUpdatingRef.current = true; - tracksViewport.scrollLeft = rulerViewport.scrollLeft; - isUpdatingRef.current = false; - }; - 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); - return () => { - rulerViewport.removeEventListener('scroll', handleRulerScroll); - tracksViewport.removeEventListener('scroll', handleTracksScroll); - }; - }, []); - - // --- Playhead auto-scroll effect --- - useEffect(() => { - const rulerViewport = rulerScrollRef.current?.querySelector('[data-radix-scroll-area-viewport]') as HTMLElement; - const tracksViewport = tracksScrollRef.current?.querySelector('[data-radix-scroll-area-viewport]') as HTMLElement; - if (!rulerViewport || !tracksViewport) return; - const playheadPx = playheadPosition * 50 * zoomLevel; - const viewportWidth = rulerViewport.clientWidth; - const scrollMin = 0; - const scrollMax = rulerViewport.scrollWidth - viewportWidth; - // Center the playhead if it's not visible (100px buffer) - const desiredScroll = Math.max( - scrollMin, - Math.min(scrollMax, playheadPx - viewportWidth / 2) - ); - if ( - playheadPx < rulerViewport.scrollLeft + 100 || - playheadPx > rulerViewport.scrollLeft + viewportWidth - 100 - ) { - rulerViewport.scrollLeft = tracksViewport.scrollLeft = desiredScroll; - } - }, [playheadPosition, duration, zoomLevel]); - - return ( -
setIsInTimeline(true)} - onMouseLeave={() => setIsInTimeline(false)} - onWheel={handleWheel} - > - {/* Toolbar */} -
- - {/* Play/Pause Button */} - - - - - - {isPlaying ? "Pause (Space)" : "Play (Space)"} - - - -
- - {/* Time Display */} -
- {currentTime.toFixed(1)}s / {duration.toFixed(1)}s -
- - {/* Test Clip Button - for debugging */} - {tracks.length === 0 && ( - <> -
- - - - - Add a test clip to try playback - - - )} - -
- - - - - - Split clip (Ctrl+S) - - - - - - - Split and keep left (Ctrl+Q) - - - - - - - Split and keep right (Ctrl+W) - - - - - - - Separate audio (Ctrl+D) - - - - - - - Duplicate clip (Ctrl+D) - - - - - - - Freeze frame (F) - - - - - - - Delete clip (Delete) - - -
- - {/* Speed Control */} - - - - - Playback Speed - - -
- - {/* Timeline Container */} -
- {/* Timeline Header with Ruler */} -
- {/* Track Labels Header */} -
- - Tracks - -
- {zoomLevel.toFixed(1)}x -
-
- - {/* Timeline Ruler */} -
- -
{ - // 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 ( -
- - {(() => { - 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); - })()} - -
- ); - }).filter(Boolean); - })()} - - {/* Playhead in ruler (scrubbable) */} -
-
-
-
- -
-
- - {/* Tracks Area */} -
- {/* Track Labels */} - {tracks.length > 0 && ( -
-
- {tracks.map((track) => ( -
{ - e.preventDefault(); - setContextMenu({ - type: "track", - trackId: track.id, - x: e.clientX, - y: e.clientY, - }); - }} - > -
-
- - {track.name} - -
- {track.muted && ( - - Muted - - )} -
- ))} -
-
- )} - - {/* Timeline Tracks Content */} -
- -
- {tracks.length === 0 ? ( -
-
-
- -
-

- Drop media here to start -

-
-
- ) : ( - <> - {tracks.map((track, index) => ( -
{ - e.preventDefault(); - setContextMenu({ - type: "track", - trackId: track.id, - x: e.clientX, - y: e.clientY, - }); - }} - onClick={(e) => { - // If clicking empty area (not on a clip), deselect all clips - if ( - !(e.target as HTMLElement).closest(".timeline-clip") - ) { - const { clearSelectedClips } = - useTimelineStore.getState(); - clearSelectedClips(); - } - }} - > - -
- ))} - - {/* Playhead for tracks area (scrubbable) */} - {tracks.length > 0 && ( -
- )} - - )} - {isDragOver && ( -
-
- {isProcessing - ? `Processing ${progress}%` - : "Drop media here to add to timeline"} -
-
- )} -
- -
-
-
- - {/* Clean Unified Context Menu */} - {contextMenu && ( -
e.preventDefault()} - > - {contextMenu.type === "track" ? ( - // Track context menu - <> - -
- - - ) : ( - // Clip context menu - <> - - -
- - - )} -
- )} -
- ); -} - -function TimelineTrackContent({ - track, - zoomLevel, - setContextMenu, - contextMenu, -}: { - track: TimelineTrack; - zoomLevel: number; - setContextMenu: (menu: ContextMenuState | null) => void; - contextMenu: ContextMenuState | null; -}) { - const { mediaItems } = useMediaStore(); - const { - tracks, - moveClipToTrack, - updateClipStartTime, - addClipToTrack, - selectedClips, - selectClip, - deselectClip, - dragState, - startDrag: startDragAction, - updateDragTime, - endDrag: endDragAction, - } = useTimelineStore(); - - const timelineRef = useRef(null); - const [isDropping, setIsDropping] = useState(false); - const [dropPosition, setDropPosition] = useState(null); - const [wouldOverlap, setWouldOverlap] = useState(false); - const dragCounterRef = useRef(0); - const [mouseDownLocation, setMouseDownLocation] = useState<{ - x: number; - y: number; - } | null>(null); - - // Set up mouse event listeners for drag - useEffect(() => { - if (!dragState.isDragging) return; - - const handleMouseMove = (e: MouseEvent) => { - if (!timelineRef.current) return; - - const timelineRect = timelineRef.current.getBoundingClientRect(); - const mouseX = e.clientX - timelineRect.left; - const mouseTime = Math.max(0, mouseX / (50 * zoomLevel)); - const adjustedTime = Math.max(0, mouseTime - dragState.clickOffsetTime); - const snappedTime = Math.round(adjustedTime * 10) / 10; - - updateDragTime(snappedTime); - }; - - const handleMouseUp = () => { - if (!dragState.clipId || !dragState.trackId) return; - - const finalTime = dragState.currentTime; - - // Check for overlaps and update position - const sourceTrack = tracks.find((t) => t.id === dragState.trackId); - const movingClip = sourceTrack?.clips.find( - (c) => c.id === dragState.clipId - ); - - if (movingClip) { - const movingClipDuration = - movingClip.duration - movingClip.trimStart - movingClip.trimEnd; - const movingClipEnd = finalTime + movingClipDuration; - - const targetTrack = tracks.find((t) => t.id === track.id); - const hasOverlap = targetTrack?.clips.some((existingClip) => { - if ( - dragState.trackId === track.id && - existingClip.id === dragState.clipId - ) { - return false; - } - const existingStart = existingClip.startTime; - const existingEnd = - existingClip.startTime + - (existingClip.duration - - existingClip.trimStart - - existingClip.trimEnd); - return finalTime < existingEnd && movingClipEnd > existingStart; - }); - - if (!hasOverlap) { - if (dragState.trackId === track.id) { - updateClipStartTime(track.id, dragState.clipId, finalTime); - } else { - moveClipToTrack(dragState.trackId, track.id, dragState.clipId); - requestAnimationFrame(() => { - updateClipStartTime(track.id, dragState.clipId!, finalTime); - }); - } - } - } - - endDragAction(); - }; - - document.addEventListener("mousemove", handleMouseMove); - document.addEventListener("mouseup", handleMouseUp); - - return () => { - document.removeEventListener("mousemove", handleMouseMove); - document.removeEventListener("mouseup", handleMouseUp); - }; - }, [ - dragState.isDragging, - dragState.clickOffsetTime, - dragState.clipId, - dragState.trackId, - dragState.currentTime, - zoomLevel, - tracks, - track.id, - updateDragTime, - updateClipStartTime, - moveClipToTrack, - endDragAction, - ]); - - const handleClipMouseDown = (e: React.MouseEvent, clip: TypeTimelineClip) => { - setMouseDownLocation({ x: e.clientX, y: e.clientY }); - // Handle multi-selection only in mousedown - if (e.metaKey || e.ctrlKey || e.shiftKey) { - selectClip(track.id, clip.id, true); - } - - // Calculate the offset from the left edge of the clip to where the user clicked - const clipElement = e.currentTarget as HTMLElement; - const clipRect = clipElement.getBoundingClientRect(); - const clickOffsetX = e.clientX - clipRect.left; - const clickOffsetTime = clickOffsetX / (50 * zoomLevel); - - startDragAction( - clip.id, - track.id, - e.clientX, - clip.startTime, - clickOffsetTime - ); - }; - - const handleClipClick = (e: React.MouseEvent, clip: TypeTimelineClip) => { - e.stopPropagation(); - - // Check if mouse moved significantly - if (mouseDownLocation) { - const deltaX = Math.abs(e.clientX - mouseDownLocation.x); - const deltaY = Math.abs(e.clientY - mouseDownLocation.y); - // If it moved more than a few pixels, consider it a drag and not a click. - if (deltaX > 5 || deltaY > 5) { - setMouseDownLocation(null); // Reset for next interaction - return; - } - } - - // Close context menu if it's open - if (contextMenu) { - setContextMenu(null); - return; // Don't handle selection when closing context menu - } - - // Skip selection logic for multi-selection (handled in mousedown) - if (e.metaKey || e.ctrlKey || e.shiftKey) { - return; - } - - // Handle single selection/deselection - const isSelected = selectedClips.some( - (c) => c.trackId === track.id && c.clipId === clip.id - ); - - if (isSelected) { - // If clip is 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); - } - }; - - const handleClipContextMenu = (e: React.MouseEvent, clipId: string) => { - e.preventDefault(); - e.stopPropagation(); - setContextMenu({ - type: "clip", - trackId: track.id, - clipId: clipId, - x: e.clientX, - y: e.clientY, - }); - }; - - 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) { - console.error("Error parsing dropped media item:", 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"; - setWouldOverlap(true); - setDropPosition(Math.round(dropTime * 10) / 10); - return; - } - - e.dataTransfer.dropEffect = hasTimelineClip ? "move" : "copy"; - 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); - }; - - 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); - setWouldOverlap(false); - setDropPosition(null); - } - }; - - const handleTrackDrop = (e: React.DragEvent) => { - e.preventDefault(); - e.stopPropagation(); - - // Reset all drag states - dragCounterRef.current = 0; - setIsDropping(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, - clickOffsetTime = 0, - } = JSON.parse(timelineClipData); - - // Find the clip being moved - const sourceTrack = tracks.find( - (t: TimelineTrack) => t.id === fromTrackId - ); - const movingClip = sourceTrack?.clips.find( - (c: TypeTimelineClip) => c.id === clipId - ); - - if (!movingClip) { - toast.error("Clip not found"); - return; - } - - // Adjust position based on where user clicked on the clip - const adjustedStartTime = snappedTime - clickOffsetTime; - const finalStartTime = Math.max( - 0, - Math.round(adjustedStartTime * 10) / 10 - ); - - // Check for overlaps with existing clips (excluding the moving clip itself) - const movingClipDuration = - movingClip.duration - movingClip.trimStart - movingClip.trimEnd; - const movingClipEnd = finalStartTime + 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 finalStartTime < 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, finalStartTime); - } else { - // Moving to different track - moveClipToTrack(fromTrackId, track.id, clipId); - requestAnimationFrame(() => { - updateClipStartTime(track.id, clipId, finalStartTime); - }); - } - } 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"); - } - }; - - return ( -
{ - 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, - }); - } - }} - onClick={(e) => { - // If clicking empty area (not on a clip), deselect all clips - if (!(e.target as HTMLElement).closest(".timeline-clip")) { - const { clearSelectedClips } = useTimelineStore.getState(); - clearSelectedClips(); - } - }} - onDragOver={handleTrackDragOver} - onDragEnter={handleTrackDragEnter} - onDragLeave={handleTrackDragLeave} - onDrop={handleTrackDrop} - > -
- {track.clips.length === 0 ? ( -
- {isDropping - ? wouldOverlap - ? "Cannot drop - would overlap" - : "Drop clip here" - : "Drop media here"} -
- ) : ( - <> - {track.clips.map((clip) => { - const isSelected = selectedClips.some( - (c) => c.trackId === track.id && c.clipId === clip.id - ); - - return ( - - ); - })} - - )} -
-
- ); -} +"use client"; + +import { ScrollArea } from "../ui/scroll-area"; +import { Button } from "../ui/button"; +import { + Scissors, + ArrowLeftToLine, + ArrowRightToLine, + Trash2, + Snowflake, + Copy, + SplitSquareHorizontal, + Volume2, + VolumeX, + Pause, + Play, +} from "lucide-react"; +import { + Tooltip, + TooltipContent, + TooltipTrigger, + TooltipProvider, +} from "../ui/tooltip"; +import { + ContextMenu, + ContextMenuContent, + ContextMenuItem, + ContextMenuSeparator, + ContextMenuTrigger, +} from "../ui/context-menu"; +import { + useTimelineStore, + type TimelineTrack, + type TimelineClip as TypeTimelineClip, +} from "@/stores/timeline-store"; +import { useMediaStore } from "@/stores/media-store"; +import { usePlaybackStore } from "@/stores/playback-store"; +import { useDragClip } from "@/hooks/use-drag-clip"; +import { processMediaFiles } from "@/lib/media-processing"; +import { toast } from "sonner"; +import { useState, useRef, useEffect, useCallback } from "react"; +import { + Select, + SelectContent, + SelectItem, + SelectTrigger, + SelectValue, +} from "../ui/select"; +import { TimelineClip } from "./timeline-clip"; + +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, + splitClip, + splitAndKeepLeft, + splitAndKeepRight, + separateAudio, + undo, + redo, + } = useTimelineStore(); + const { mediaItems, addMediaItem } = useMediaStore(); + const { + currentTime, + duration, + seek, + setDuration, + isPlaying, + toggle, + setSpeed, + speed, + } = usePlaybackStore(); + const [isDragOver, setIsDragOver] = useState(false); + const [isProcessing, setIsProcessing] = useState(false); + const [progress, setProgress] = useState(0); + const [zoomLevel, setZoomLevel] = useState(1); + const dragCounterRef = useRef(0); + const timelineRef = useRef(null); + const [isInTimeline, setIsInTimeline] = useState(false); + + // 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(null); + + // Dynamic timeline width calculation based on playhead position and duration + const dynamicTimelineWidth = Math.max( + (duration || 0) * 50 * zoomLevel, // Base width from duration + (currentTime + 30) * 50 * zoomLevel, // Width to show current time + 30 seconds buffer + timelineRef.current?.clientWidth || 1000 // Minimum width + ); + + // Scroll synchronization and auto-scroll to playhead + const rulerScrollRef = useRef(null); + const tracksScrollRef = useRef(null); + const isUpdatingRef = useRef(false); + const lastRulerSync = useRef(0); + const lastTracksSync = useRef(0); + + // New refs for direct playhead DOM manipulation + const rulerPlayheadRef = useRef(null); + const tracksPlayheadRef = useRef(null); + + // Refs to store initial mouse and scroll positions for drag calculations + const initialMouseXRef = useRef(0); + const initialTimelineScrollLeftRef = useRef(0); + + // Update timeline duration when tracks change + useEffect(() => { + const totalDuration = getTotalDuration(); + setDuration(Math.max(totalDuration, 10)); // Minimum 10 seconds for empty timeline + }, [tracks, setDuration, getTotalDuration]); + + // Keyboard event for deleting selected clips + useEffect(() => { + const handleKeyDown = (e: KeyboardEvent) => { + if ( + (e.key === "Delete" || e.key === "Backspace") && + selectedClips.length > 0 + ) { + selectedClips.forEach(({ trackId, clipId }) => { + removeClipFromTrack(trackId, clipId); + }); + clearSelectedClips(); + } + }; + window.addEventListener("keydown", handleKeyDown); + return () => window.removeEventListener("keydown", handleKeyDown); + }, [selectedClips, removeClipFromTrack, clearSelectedClips]); + + // Keyboard event for undo (Cmd+Z) + useEffect(() => { + const handleKeyDown = (e: KeyboardEvent) => { + if ((e.metaKey || e.ctrlKey) && e.key === "z" && !e.shiftKey) { + e.preventDefault(); + undo(); + } + }; + window.addEventListener("keydown", handleKeyDown); + return () => window.removeEventListener("keydown", handleKeyDown); + }, [undo]); + + // Keyboard event for redo (Cmd+Shift+Z or Cmd+Y) + useEffect(() => { + const handleKeyDown = (e: KeyboardEvent) => { + if ((e.metaKey || e.ctrlKey) && e.key === "z" && e.shiftKey) { + e.preventDefault(); + redo(); + } else if ((e.metaKey || e.ctrlKey) && e.key === "y") { + e.preventDefault(); + redo(); + } + }; + window.addEventListener("keydown", handleKeyDown); + return () => window.removeEventListener("keydown", handleKeyDown); + }, [redo]); + + // 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 + 60; // Set a fixed width for time display + 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); + setProgress(0); + try { + const processedItems = await processMediaFiles( + e.dataTransfer.files, + (p) => setProgress(p) + ); + 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); + setProgress(0); + } + } + }; + + 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, + }; + + // Action handlers for toolbar + const handleSplitSelected = () => { + if (selectedClips.length === 0) { + toast.error("No clips selected"); + return; + } + let splitCount = 0; + 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 effectiveStart = clip.startTime; + const effectiveEnd = + clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); + + if (currentTime > effectiveStart && currentTime < effectiveEnd) { + const newClipId = splitClip(trackId, clipId, currentTime); + if (newClipId) splitCount++; + } + } + }); + if (splitCount > 0) { + toast.success(`Split ${splitCount} clip(s) at playhead`); + } else { + toast.error("Playhead must be within selected clips to split"); + } + }; + + 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 handleSplitAndKeepLeft = () => { + if (selectedClips.length === 0) { + toast.error("No clips selected"); + return; + } + + let splitCount = 0; + 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 effectiveStart = clip.startTime; + const effectiveEnd = + clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); + + if (currentTime > effectiveStart && currentTime < effectiveEnd) { + splitAndKeepLeft(trackId, clipId, currentTime); + splitCount++; + } + } + }); + + if (splitCount > 0) { + toast.success(`Split and kept left portion of ${splitCount} clip(s)`); + } else { + toast.error("Playhead must be within selected clips"); + } + }; + + const handleSplitAndKeepRight = () => { + if (selectedClips.length === 0) { + toast.error("No clips selected"); + return; + } + + let splitCount = 0; + 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 effectiveStart = clip.startTime; + const effectiveEnd = + clip.startTime + (clip.duration - clip.trimStart - clip.trimEnd); + + if (currentTime > effectiveStart && currentTime < effectiveEnd) { + splitAndKeepRight(trackId, clipId, currentTime); + splitCount++; + } + } + }); + + if (splitCount > 0) { + toast.success(`Split and kept right portion of ${splitCount} clip(s)`); + } else { + toast.error("Playhead must be within selected clips"); + } + }; + + const handleSeparateAudio = () => { + if (selectedClips.length === 0) { + toast.error("No clips selected"); + return; + } + + let separatedCount = 0; + selectedClips.forEach(({ trackId, clipId }) => { + const track = tracks.find((t) => t.id === trackId); + const clip = track?.clips.find((c) => c.id === clipId); + const mediaItem = mediaItems.find((item) => item.id === clip?.mediaId); + + if ( + clip && + track && + mediaItem?.type === "video" && + track.type === "video" + ) { + const audioClipId = separateAudio(trackId, clipId); + if (audioClipId) separatedCount++; + } + }); + + if (separatedCount > 0) { + toast.success(`Separated audio from ${separatedCount} video clip(s)`); + } else { + toast.error("Select video clips to separate audio"); + } + }; + 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)"); + }; + + // 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]); + + // --- Scroll synchronization effect --- + useEffect(() => { + const rulerViewport = rulerScrollRef.current?.querySelector( + "[data-radix-scroll-area-viewport]" + ) as HTMLElement; + const tracksViewport = tracksScrollRef.current?.querySelector( + "[data-radix-scroll-area-viewport]" + ) as HTMLElement; + if (!rulerViewport || !tracksViewport) return; + const handleRulerScroll = () => { + const now = Date.now(); + if (isUpdatingRef.current || now - lastRulerSync.current < 16) return; + lastRulerSync.current = now; + isUpdatingRef.current = true; + tracksViewport.scrollLeft = rulerViewport.scrollLeft; + isUpdatingRef.current = false; + }; + 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); + return () => { + rulerViewport.removeEventListener("scroll", handleRulerScroll); + tracksViewport.removeEventListener("scroll", handleTracksScroll); + }; + }, []); + + // --- Playhead auto-scroll effect --- + useEffect(() => { + const rulerViewport = rulerScrollRef.current?.querySelector( + "[data-radix-scroll-area-viewport]" + ) as HTMLElement; + const tracksViewport = tracksScrollRef.current?.querySelector( + "[data-radix-scroll-area-viewport]" + ) as HTMLElement; + if (!rulerViewport || !tracksViewport) return; + const playheadPx = playheadPosition * 50 * zoomLevel; + const viewportWidth = rulerViewport.clientWidth; + const scrollMin = 0; + const scrollMax = rulerViewport.scrollWidth - viewportWidth; + // Center the playhead if it's not visible (100px buffer) + const desiredScroll = Math.max( + scrollMin, + Math.min(scrollMax, playheadPx - viewportWidth / 2) + ); + if ( + playheadPx < rulerViewport.scrollLeft + 100 || + playheadPx > rulerViewport.scrollLeft + viewportWidth - 100 + ) { + rulerViewport.scrollLeft = tracksViewport.scrollLeft = desiredScroll; + } + }, [playheadPosition, duration, zoomLevel]); + + return ( +
setIsInTimeline(true)} + onMouseLeave={() => setIsInTimeline(false)} + onWheel={handleWheel} + > + {/* Toolbar */} +
+ + {/* Play/Pause Button */} + + + + + + {isPlaying ? "Pause (Space)" : "Play (Space)"} + + + +
+ + {/* Time Display */} +
+ {currentTime.toFixed(1)}s / {duration.toFixed(1)}s +
+ + {/* Test Clip Button - for debugging */} + {tracks.length === 0 && ( + <> +
+ + + + + Add a test clip to try playback + + + )} + +
+ + + + + + Split clip (Ctrl+S) + + + + + + + Split and keep left (Ctrl+Q) + + + + + + + Split and keep right (Ctrl+W) + + + + + + + Separate audio (Ctrl+D) + + + + + + + Duplicate clip (Ctrl+D) + + + + + + + Freeze frame (F) + + + + + + + Delete clip (Delete) + + +
+ + {/* Speed Control */} + + + + + Playback Speed + + +
+ + {/* Timeline Container */} +
+ {/* Timeline Header with Ruler */} +
+ {/* Track Labels Header */} +
+ + Tracks + +
+ {zoomLevel.toFixed(1)}x +
+
+ + {/* Timeline Ruler */} +
+ +
{ + // 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 ( +
+ + {(() => { + 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); + })()} + +
+ ); + }).filter(Boolean); + })()} + + {/* Playhead in ruler (scrubbable) */} +
+
+
+
+ +
+
+ + {/* Tracks Area */} +
+ {/* Track Labels */} + {tracks.length > 0 && ( +
+
+ {tracks.map((track) => ( +
+
+
+ + {track.name} + +
+ {track.muted && ( + + Muted + + )} +
+ ))} +
+
+ )} + + {/* Timeline Tracks Content */} +
+ +
+ {tracks.length === 0 ? ( +
+
+
+ +
+

+ Drop media here to start +

+
+
+ ) : ( + <> + {tracks.map((track, index) => ( + + +
{ + // If clicking empty area (not on a clip), deselect all clips + if ( + !(e.target as HTMLElement).closest( + ".timeline-clip" + ) + ) { + clearSelectedClips(); + } + }} + > + +
+ + + { + toggleTrackMute(track.id); + }} + > + {track.muted ? ( + <> + + Unmute Track + + ) : ( + <> + + Mute Track + + )} + + + { + removeTrack(track.id); + toast.success("Track deleted"); + }} + className="text-destructive focus:text-destructive" + > + + Delete Track + + + + ))} + + {/* Playhead for tracks area (scrubbable) */} + {tracks.length > 0 && ( +
+ )} + + )} + {isDragOver && ( +
+
+ {isProcessing + ? `Processing ${progress}%` + : "Drop media here to add to timeline"} +
+
+ )} +
+ +
+
+
+
+ ); +} + +function TimelineTrackContent({ + track, + zoomLevel, +}: { + track: TimelineTrack; + zoomLevel: number; +}) { + const { mediaItems } = useMediaStore(); + const { + tracks, + moveClipToTrack, + updateClipStartTime, + addClipToTrack, + selectedClips, + selectClip, + deselectClip, + dragState, + startDrag: startDragAction, + updateDragTime, + endDrag: endDragAction, + } = useTimelineStore(); + + const timelineRef = useRef(null); + const [isDropping, setIsDropping] = useState(false); + const [dropPosition, setDropPosition] = useState(null); + const [wouldOverlap, setWouldOverlap] = useState(false); + const dragCounterRef = useRef(0); + const [mouseDownLocation, setMouseDownLocation] = useState<{ + x: number; + y: number; + } | null>(null); + + // Set up mouse event listeners for drag + useEffect(() => { + if (!dragState.isDragging) return; + + const handleMouseMove = (e: MouseEvent) => { + if (!timelineRef.current) return; + + const timelineRect = timelineRef.current.getBoundingClientRect(); + const mouseX = e.clientX - timelineRect.left; + const mouseTime = Math.max(0, mouseX / (50 * zoomLevel)); + const adjustedTime = Math.max(0, mouseTime - dragState.clickOffsetTime); + const snappedTime = Math.round(adjustedTime * 10) / 10; + + updateDragTime(snappedTime); + }; + + const handleMouseUp = () => { + if (!dragState.clipId || !dragState.trackId) return; + + const finalTime = dragState.currentTime; + + // Check for overlaps and update position + const sourceTrack = tracks.find((t) => t.id === dragState.trackId); + const movingClip = sourceTrack?.clips.find( + (c) => c.id === dragState.clipId + ); + + if (movingClip) { + const movingClipDuration = + movingClip.duration - movingClip.trimStart - movingClip.trimEnd; + const movingClipEnd = finalTime + movingClipDuration; + + const targetTrack = tracks.find((t) => t.id === track.id); + const hasOverlap = targetTrack?.clips.some((existingClip) => { + if ( + dragState.trackId === track.id && + existingClip.id === dragState.clipId + ) { + return false; + } + const existingStart = existingClip.startTime; + const existingEnd = + existingClip.startTime + + (existingClip.duration - + existingClip.trimStart - + existingClip.trimEnd); + return finalTime < existingEnd && movingClipEnd > existingStart; + }); + + if (!hasOverlap) { + if (dragState.trackId === track.id) { + updateClipStartTime(track.id, dragState.clipId, finalTime); + } else { + moveClipToTrack(dragState.trackId, track.id, dragState.clipId); + requestAnimationFrame(() => { + updateClipStartTime(track.id, dragState.clipId!, finalTime); + }); + } + } + } + + endDragAction(); + }; + + document.addEventListener("mousemove", handleMouseMove); + document.addEventListener("mouseup", handleMouseUp); + + return () => { + document.removeEventListener("mousemove", handleMouseMove); + document.removeEventListener("mouseup", handleMouseUp); + }; + }, [ + dragState.isDragging, + dragState.clickOffsetTime, + dragState.clipId, + dragState.trackId, + dragState.currentTime, + zoomLevel, + tracks, + track.id, + updateDragTime, + updateClipStartTime, + moveClipToTrack, + endDragAction, + ]); + + const handleClipMouseDown = (e: React.MouseEvent, clip: TypeTimelineClip) => { + setMouseDownLocation({ x: e.clientX, y: e.clientY }); + // Handle multi-selection only in mousedown + if (e.metaKey || e.ctrlKey || e.shiftKey) { + selectClip(track.id, clip.id, true); + } + + // Calculate the offset from the left edge of the clip to where the user clicked + const clipElement = e.currentTarget as HTMLElement; + const clipRect = clipElement.getBoundingClientRect(); + const clickOffsetX = e.clientX - clipRect.left; + const clickOffsetTime = clickOffsetX / (50 * zoomLevel); + + startDragAction( + clip.id, + track.id, + e.clientX, + clip.startTime, + clickOffsetTime + ); + }; + + const handleClipClick = (e: React.MouseEvent, clip: TypeTimelineClip) => { + e.stopPropagation(); + + // Check if mouse moved significantly + if (mouseDownLocation) { + const deltaX = Math.abs(e.clientX - mouseDownLocation.x); + const deltaY = Math.abs(e.clientY - mouseDownLocation.y); + // If it moved more than a few pixels, consider it a drag and not a click. + if (deltaX > 5 || deltaY > 5) { + setMouseDownLocation(null); // Reset for next interaction + return; + } + } + + // Skip selection logic for multi-selection (handled in mousedown) + if (e.metaKey || e.ctrlKey || e.shiftKey) { + return; + } + + // Handle single selection/deselection + const isSelected = selectedClips.some( + (c) => c.trackId === track.id && c.clipId === clip.id + ); + + if (isSelected) { + // If clip is 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); + } + }; + + 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) { + console.error("Error parsing dropped media item:", 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"; + setWouldOverlap(true); + setDropPosition(Math.round(dropTime * 10) / 10); + return; + } + + e.dataTransfer.dropEffect = hasTimelineClip ? "move" : "copy"; + 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); + }; + + 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); + setWouldOverlap(false); + setDropPosition(null); + } + }; + + const handleTrackDrop = (e: React.DragEvent) => { + e.preventDefault(); + e.stopPropagation(); + + // Reset all drag states + dragCounterRef.current = 0; + setIsDropping(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, + clickOffsetTime = 0, + } = JSON.parse(timelineClipData); + + // Find the clip being moved + const sourceTrack = tracks.find( + (t: TimelineTrack) => t.id === fromTrackId + ); + const movingClip = sourceTrack?.clips.find( + (c: TypeTimelineClip) => c.id === clipId + ); + + if (!movingClip) { + toast.error("Clip not found"); + return; + } + + // Adjust position based on where user clicked on the clip + const adjustedStartTime = snappedTime - clickOffsetTime; + const finalStartTime = Math.max( + 0, + Math.round(adjustedStartTime * 10) / 10 + ); + + // Check for overlaps with existing clips (excluding the moving clip itself) + const movingClipDuration = + movingClip.duration - movingClip.trimStart - movingClip.trimEnd; + const movingClipEnd = finalStartTime + 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 finalStartTime < 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, finalStartTime); + } else { + // Moving to different track + moveClipToTrack(fromTrackId, track.id, clipId); + requestAnimationFrame(() => { + updateClipStartTime(track.id, clipId, finalStartTime); + }); + } + } 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"); + } + }; + + return ( +
{ + // If clicking empty area (not on a clip), deselect all clips + if (!(e.target as HTMLElement).closest(".timeline-clip")) { + const { clearSelectedClips } = useTimelineStore.getState(); + clearSelectedClips(); + } + }} + onDragOver={handleTrackDragOver} + onDragEnter={handleTrackDragEnter} + onDragLeave={handleTrackDragLeave} + onDrop={handleTrackDrop} + > +
+ {track.clips.length === 0 ? ( +
+ {isDropping + ? wouldOverlap + ? "Cannot drop - would overlap" + : "Drop clip here" + : "Drop media here"} +
+ ) : ( + <> + {track.clips.map((clip) => { + const isSelected = selectedClips.some( + (c) => c.trackId === track.id && c.clipId === clip.id + ); + + const handleClipSplit = () => { + const { currentTime } = usePlaybackStore(); + const { updateClipTrim, addClipToTrack } = useTimelineStore(); + 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("Clip split successfully"); + } else { + toast.error("Playhead must be within clip to split"); + } + }; + + const handleClipDuplicate = () => { + const { addClipToTrack } = 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"); + }; + + const handleClipDelete = () => { + const { removeClipFromTrack } = useTimelineStore.getState(); + removeClipFromTrack(track.id, clip.id); + toast.success("Clip deleted"); + }; + + return ( + + +
+ +
+ + + + + Split at Playhead + + + + Duplicate Clip + + + + + Delete Clip + + + + ); + })} + + )} +
+
+ ); +} diff --git a/apps/web/src/types/timeline.ts b/apps/web/src/types/timeline.ts index 7fafc18..54a433a 100644 --- a/apps/web/src/types/timeline.ts +++ b/apps/web/src/types/timeline.ts @@ -1,29 +1,20 @@ -import { TimelineTrack, TimelineClip } from "@/stores/timeline-store"; - -export type TrackType = "video" | "audio" | "effects"; - -export interface TimelineClipProps { - clip: TimelineClip; - track: TimelineTrack; - zoomLevel: number; - isSelected: boolean; - onContextMenu: (e: React.MouseEvent, clipId: string) => void; - onClipMouseDown: (e: React.MouseEvent, clip: TimelineClip) => void; - onClipClick: (e: React.MouseEvent, clip: TimelineClip) => void; -} - -export interface ResizeState { - clipId: string; - side: "left" | "right"; - startX: number; - initialTrimStart: number; - initialTrimEnd: number; -} - -export interface ContextMenuState { - type: "track" | "clip"; - trackId: string; - clipId?: string; - x: number; - y: number; -} +import { TimelineTrack, TimelineClip } from "@/stores/timeline-store"; + +export type TrackType = "video" | "audio" | "effects"; + +export interface TimelineClipProps { + clip: TimelineClip; + track: TimelineTrack; + zoomLevel: number; + isSelected: boolean; + onClipMouseDown: (e: React.MouseEvent, clip: TimelineClip) => void; + onClipClick: (e: React.MouseEvent, clip: TimelineClip) => void; +} + +export interface ResizeState { + clipId: string; + side: "left" | "right"; + startX: number; + initialTrimStart: number; + initialTrimEnd: number; +}