refactor

1 files changed, 566 insertions, 0 deletions

diff --git a/apps/web/src/components/editor/panels/timeline/timeline-element.tsx b/apps/web/src/components/editor/panels/timeline/timeline-element.tsx
new file mode 100644
index 00000000..59ce88da
--- /dev/null
+++ b/apps/web/src/components/editor/panels/timeline/timeline-element.tsx
@@ -0,0 +1,566 @@
+"use client";
+
+import { useEditor } from "@/hooks/use-editor";
+import { useAssetsPanelStore } from "@/stores/assets-panel-store";
+import AudioWaveform from "./audio-waveform";
+import { useTimelineElementResize } from "@/hooks/timeline/element/use-element-resize";
+import type { SnapPoint } from "@/hooks/timeline/use-timeline-snapping";
+import { TIMELINE_CONSTANTS } from "@/constants/timeline-constants";
+import {
+	getTrackClasses,
+	getTrackHeight,
+	canElementHaveAudio,
+	canElementBeHidden,
+	hasMediaId,
+} from "@/lib/timeline";
+import {
+	ContextMenu,
+	ContextMenuContent,
+	ContextMenuItem,
+	ContextMenuSeparator,
+	ContextMenuTrigger,
+} from "../../../ui/context-menu";
+import type {
+	TimelineElement as TimelineElementType,
+	TimelineTrack,
+	ElementDragState,
+} from "@/types/timeline";
+import type { MediaAsset } from "@/types/assets";
+import { mediaSupportsAudio } from "@/lib/media/media-utils";
+import { getActionDefinition, type TAction, invokeAction } from "@/lib/actions";
+import { useElementSelection } from "@/hooks/timeline/element/use-element-selection";
+import Image from "next/image";
+import {
+	ScissorIcon,
+	Delete02Icon,
+	Copy01Icon,
+	ViewIcon,
+	ViewOffSlashIcon,
+	VolumeHighIcon,
+	VolumeOffIcon,
+	VolumeMute02Icon,
+	Search01Icon,
+	Exchange01Icon,
+} from "@hugeicons/core-free-icons";
+import { HugeiconsIcon } from "@hugeicons/react";
+import { uppercase } from "@/utils/string";
+import type { ComponentProps } from "react";
+
+function getDisplayShortcut(action: TAction) {
+	const { defaultShortcuts } = getActionDefinition(action);
+	if (!defaultShortcuts?.length) {
+		return "";
+	}
+
+	return uppercase({
+		string: defaultShortcuts[0].replace("+", " "),
+	});
+}
+
+interface TimelineElementProps {
+	element: TimelineElementType;
+	track: TimelineTrack;
+	zoomLevel: number;
+	isSelected: boolean;
+	onSnapPointChange?: (snapPoint: SnapPoint | null) => void;
+	onResizeStateChange?: (params: { isResizing: boolean }) => void;
+	onElementMouseDown: (
+		e: React.MouseEvent,
+		element: TimelineElementType,
+	) => void;
+	onElementClick: (e: React.MouseEvent, element: TimelineElementType) => void;
+	dragState: ElementDragState;
+}
+
+export function TimelineElement({
+	element,
+	track,
+	zoomLevel,
+	isSelected,
+	onSnapPointChange,
+	onResizeStateChange,
+	onElementMouseDown,
+	onElementClick,
+	dragState,
+}: TimelineElementProps) {
+	const editor = useEditor();
+	const { selectedElements } = useElementSelection();
+	const { requestRevealMedia } = useAssetsPanelStore();
+
+	const mediaAssets = editor.media.getAssets();
+	let mediaAsset: MediaAsset | null = null;
+
+	if (hasMediaId(element)) {
+		mediaAsset =
+			mediaAssets.find((asset) => asset.id === element.mediaId) ?? null;
+	}
+
+	const hasAudio = mediaSupportsAudio({ media: mediaAsset });
+
+	const { handleResizeStart, isResizing, currentStartTime, currentDuration } =
+		useTimelineElementResize({
+			element,
+			track,
+			zoomLevel,
+			onSnapPointChange,
+			onResizeStateChange,
+		});
+
+	const isCurrentElementSelected = selectedElements.some(
+		(selected) =>
+			selected.elementId === element.id && selected.trackId === track.id,
+	);
+
+	const isBeingDragged = dragState.elementId === element.id;
+	const dragOffsetY =
+		isBeingDragged && dragState.isDragging
+			? dragState.currentMouseY - dragState.startMouseY
+			: 0;
+	const elementStartTime =
+		isBeingDragged && dragState.isDragging
+			? dragState.currentTime
+			: element.startTime;
+	const displayedStartTime = isResizing ? currentStartTime : elementStartTime;
+	const displayedDuration = isResizing ? currentDuration : element.duration;
+	const elementWidth =
+		displayedDuration * TIMELINE_CONSTANTS.PIXELS_PER_SECOND * zoomLevel;
+	const elementLeft = displayedStartTime * 50 * zoomLevel;
+
+	const handleRevealInMedia = ({ event }: { event: React.MouseEvent }) => {
+		event.stopPropagation();
+		if (hasMediaId(element)) {
+			requestRevealMedia(element.mediaId);
+		}
+	};
+
+	const isMuted = canElementHaveAudio(element) && element.muted === true;
+
+	return (
+		<ContextMenu>
+			<ContextMenuTrigger asChild>
+				<div
+					className={`absolute top-0 h-full select-none ${
+						isBeingDragged ? "z-30" : "z-10"
+					}`}
+					style={{
+						left: `${elementLeft}px`,
+						width: `${elementWidth}px`,
+						transform:
+							isBeingDragged && dragState.isDragging
+								? `translate3d(0, ${dragOffsetY}px, 0)`
+								: undefined,
+					}}
+				>
+					<ElementInner
+						element={element}
+						track={track}
+						isSelected={isSelected}
+						isBeingDragged={isBeingDragged}
+						hasAudio={hasAudio}
+						isMuted={isMuted}
+						mediaAssets={mediaAssets}
+						onElementClick={onElementClick}
+						onElementMouseDown={onElementMouseDown}
+						handleResizeStart={handleResizeStart}
+					/>
+				</div>
+			</ContextMenuTrigger>
+			<ContextMenuContent className="z-200 w-64">
+				<ActionMenuItem
+					action="split"
+					icon={<HugeiconsIcon icon={ScissorIcon} />}
+				>
+					Split
+				</ActionMenuItem>
+				<CopyMenuItem />
+				{canElementHaveAudio(element) && hasAudio && (
+					<MuteMenuItem
+						isMultipleSelected={selectedElements.length > 1}
+						isCurrentElementSelected={isCurrentElementSelected}
+						isMuted={isMuted}
+					/>
+				)}
+				{canElementBeHidden(element) && (
+					<VisibilityMenuItem
+						element={element}
+						isMultipleSelected={selectedElements.length > 1}
+						isCurrentElementSelected={isCurrentElementSelected}
+					/>
+				)}
+				{selectedElements.length === 1 && (
+					<ActionMenuItem
+						action="duplicate-selected"
+						icon={<HugeiconsIcon icon={Copy01Icon} />}
+					>
+						Duplicate
+					</ActionMenuItem>
+				)}
+				{selectedElements.length === 1 && hasMediaId(element) && (
+					<>
+						<ContextMenuItem
+							icon={<HugeiconsIcon icon={Search01Icon} />}
+							onClick={(event) => handleRevealInMedia({ event })}
+						>
+							Reveal media
+						</ContextMenuItem>
+						<ContextMenuItem
+							icon={<HugeiconsIcon icon={Exchange01Icon} />}
+							disabled
+						>
+							Replace media
+						</ContextMenuItem>
+					</>
+				)}
+				<ContextMenuSeparator />
+				<DeleteMenuItem
+					isMultipleSelected={selectedElements.length > 1}
+					isCurrentElementSelected={isCurrentElementSelected}
+					elementType={element.type}
+					selectedCount={selectedElements.length}
+				/>
+			</ContextMenuContent>
+		</ContextMenu>
+	);
+}
+
+function ElementInner({
+	element,
+	track,
+	isSelected,
+	isBeingDragged,
+	hasAudio,
+	isMuted,
+	mediaAssets,
+	onElementClick,
+	onElementMouseDown,
+	handleResizeStart,
+}: {
+	element: TimelineElementType;
+	track: TimelineTrack;
+	isSelected: boolean;
+	isBeingDragged: boolean;
+	hasAudio: boolean;
+	isMuted: boolean;
+	mediaAssets: MediaAsset[];
+	onElementClick: (e: React.MouseEvent, element: TimelineElementType) => void;
+	onElementMouseDown: (
+		e: React.MouseEvent,
+		element: TimelineElementType,
+	) => void;
+	handleResizeStart: (params: {
+		e: React.MouseEvent;
+		elementId: string;
+		side: "left" | "right";
+	}) => void;
+}) {
+	return (
+		<div
+			className={`relative h-full cursor-pointer overflow-hidden rounded-[0.5rem] ${getTrackClasses(
+				{
+					type: track.type,
+				},
+			)} ${isBeingDragged ? "z-30" : "z-10"} ${canElementBeHidden(element) && element.hidden ? "opacity-50" : ""}`}
+		>
+			<button
+				type="button"
+				className="absolute inset-0 size-full cursor-pointer"
+				onClick={(e) => onElementClick(e, element)}
+				onMouseDown={(e) => onElementMouseDown(e, element)}
+			>
+				<div className="absolute inset-0 flex h-full items-center">
+					<ElementContent
+						element={element}
+						track={track}
+						isSelected={isSelected}
+						mediaAssets={mediaAssets}
+					/>
+				</div>
+
+				{(hasAudio
+					? isMuted
+					: canElementBeHidden(element) && element.hidden) && (
+					<div className="bg-opacity-50 pointer-events-none absolute inset-0 flex items-center justify-center bg-black">
+						{hasAudio ? (
+							<HugeiconsIcon
+								icon={VolumeHighIcon}
+								className="size-6 text-white"
+							/>
+						) : (
+							<HugeiconsIcon
+								icon={VolumeOffIcon}
+								className="size-6 text-white"
+							/>
+						)}
+					</div>
+				)}
+			</button>
+
+			{isSelected && (
+				<>
+					<ResizeHandle
+						side="left"
+						elementId={element.id}
+						handleResizeStart={handleResizeStart}
+					/>
+					<ResizeHandle
+						side="right"
+						elementId={element.id}
+						handleResizeStart={handleResizeStart}
+					/>
+				</>
+			)}
+		</div>
+	);
+}
+
+function ResizeHandle({
+	side,
+	elementId,
+	handleResizeStart,
+}: {
+	side: "left" | "right";
+	elementId: string;
+	handleResizeStart: (params: {
+		e: React.MouseEvent;
+		elementId: string;
+		side: "left" | "right";
+	}) => void;
+}) {
+	const isLeft = side === "left";
+	return (
+		<button
+			type="button"
+			className={`bg-primary absolute top-0 bottom-0 z-50 flex w-[0.6rem] items-center justify-center ${isLeft ? "left-0 cursor-w-resize" : "right-0 cursor-e-resize"}`}
+			onMouseDown={(e) => handleResizeStart({ e, elementId, side })}
+			aria-label={`${isLeft ? "Left" : "Right"} resize handle`}
+		>
+			<div className="bg-foreground h-[1.5rem] w-[0.2rem] rounded-full" />
+		</button>
+	);
+}
+
+function ElementContent({
+	element,
+	track,
+	isSelected,
+	mediaAssets,
+}: {
+	element: TimelineElementType;
+	track: TimelineTrack;
+	isSelected: boolean;
+	mediaAssets: MediaAsset[];
+}) {
+	if (element.type === "text") {
+		return (
+			<div className="flex size-full items-center justify-start pl-2">
+				<span className="truncate text-xs text-white">{element.content}</span>
+			</div>
+		);
+	}
+
+	if (element.type === "sticker") {
+		return (
+			<div className="flex size-full items-center gap-2 pl-2">
+				<Image
+					src={`https://api.iconify.design/${element.iconName}.svg?width=20&height=20`}
+					alt={element.name}
+					className="size-5 shrink-0"
+					width={20}
+					height={20}
+					unoptimized
+				/>
+				<span className="truncate text-xs text-white">{element.name}</span>
+			</div>
+		);
+	}
+
+	if (element.type === "audio") {
+		const audioBuffer =
+			element.sourceType === "library" ? element.buffer : undefined;
+
+		const audioUrl =
+			element.sourceType === "library"
+				? element.sourceUrl
+				: mediaAssets.find((asset) => asset.id === element.mediaId)?.url;
+
+		if (audioBuffer || audioUrl) {
+			return (
+				<div className="flex size-full items-center gap-2">
+					<div className="min-w-0 flex-1">
+						<AudioWaveform
+							audioBuffer={audioBuffer}
+							audioUrl={audioUrl}
+							height={24}
+							className="w-full"
+						/>
+					</div>
+				</div>
+			);
+		}
+
+		return (
+			<span className="text-foreground/80 truncate text-xs">
+				{element.name}
+			</span>
+		);
+	}
+
+	const mediaAsset = mediaAssets.find((asset) => asset.id === element.mediaId);
+	if (!mediaAsset) {
+		return (
+			<span className="text-foreground/80 truncate text-xs">
+				{element.name}
+			</span>
+		);
+	}
+
+	if (
+		mediaAsset.type === "image" ||
+		(mediaAsset.type === "video" && mediaAsset.thumbnailUrl)
+	) {
+		const trackHeight = getTrackHeight({ type: track.type });
+		const tileWidth = trackHeight * (16 / 9);
+		const imageUrl =
+			mediaAsset.type === "image" ? mediaAsset.url : mediaAsset.thumbnailUrl;
+
+		return (
+			<div className="flex size-full items-center justify-center">
+				<div
+					className={`relative size-full ${isSelected ? "bg-primary" : "bg-transparent"}`}
+				>
+					<div
+						className="absolute right-0 left-0"
+						style={{
+							backgroundImage: imageUrl ? `url(${imageUrl})` : "none",
+							backgroundRepeat: "repeat-x",
+							backgroundSize: `${tileWidth}px ${trackHeight}px`,
+							backgroundPosition: "left center",
+							pointerEvents: "none",
+							top: isSelected ? "0.25rem" : "0rem",
+							bottom: isSelected ? "0.25rem" : "0rem",
+						}}
+					/>
+				</div>
+			</div>
+		);
+	}
+
+	return (
+		<span className="text-foreground/80 truncate text-xs">{element.name}</span>
+	);
+}
+
+function CopyMenuItem() {
+	return (
+		<ActionMenuItem
+			action="copy-selected"
+			icon={<HugeiconsIcon icon={Copy01Icon} />}
+		>
+			Copy
+		</ActionMenuItem>
+	);
+}
+
+function MuteMenuItem({
+	isMultipleSelected,
+	isCurrentElementSelected,
+	isMuted,
+}: {
+	isMultipleSelected: boolean;
+	isCurrentElementSelected: boolean;
+	isMuted: boolean;
+}) {
+	const getIcon = () => {
+		if (isMultipleSelected && isCurrentElementSelected) {
+			return <HugeiconsIcon icon={VolumeMute02Icon} />;
+		}
+		return isMuted ? (
+			<HugeiconsIcon icon={VolumeHighIcon} />
+		) : (
+			<HugeiconsIcon icon={VolumeOffIcon} />
+		);
+	};
+
+	return (
+		<ActionMenuItem action="toggle-elements-muted-selected" icon={getIcon()}>
+			{isMuted ? "Unmute" : "Mute"}
+		</ActionMenuItem>
+	);
+}
+
+function VisibilityMenuItem({
+	element,
+	isMultipleSelected,
+	isCurrentElementSelected,
+}: {
+	element: TimelineElementType;
+	isMultipleSelected: boolean;
+	isCurrentElementSelected: boolean;
+}) {
+	const isHidden = canElementBeHidden(element) && element.hidden;
+
+	const getIcon = () => {
+		if (isMultipleSelected && isCurrentElementSelected) {
+			return <HugeiconsIcon icon={ViewOffSlashIcon} />;
+		}
+		return isHidden ? (
+			<HugeiconsIcon icon={ViewIcon} />
+		) : (
+			<HugeiconsIcon icon={ViewOffSlashIcon} />
+		);
+	};
+
+	return (
+		<ActionMenuItem
+			action="toggle-elements-visibility-selected"
+			icon={getIcon()}
+		>
+			{isHidden ? "Show" : "Hide"}
+		</ActionMenuItem>
+	);
+}
+
+function DeleteMenuItem({
+	isMultipleSelected,
+	isCurrentElementSelected,
+	elementType,
+	selectedCount,
+}: {
+	isMultipleSelected: boolean;
+	isCurrentElementSelected: boolean;
+	elementType: TimelineElementType["type"];
+	selectedCount: number;
+}) {
+	return (
+		<ActionMenuItem
+			action="delete-selected"
+			variant="destructive"
+			icon={<HugeiconsIcon icon={Delete02Icon} />}
+		>
+			{isMultipleSelected && isCurrentElementSelected
+				? `Delete ${selectedCount} elements`
+				: `Delete ${elementType === "text" ? "text" : "clip"}`}
+		</ActionMenuItem>
+	);
+}
+
+function ActionMenuItem({
+	action,
+	children,
+	...props
+}: Omit<ComponentProps<typeof ContextMenuItem>, "onClick" | "textRight"> & {
+	action: TAction;
+}) {
+	return (
+		<ContextMenuItem
+			onClick={(event) => {
+				event.stopPropagation();
+				invokeAction(action);
+			}}
+			textRight={getDisplayShortcut(action)}
+			{...props}
+		>
+			{children}
+		</ContextMenuItem>
+	);
+}