Files
brandly/src/components/composition/CompositionElement.tsx
T

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TypeScript

import React, { RefObject, useEffect } from 'react';
import { Sequence, AbsoluteFill, Img, Video, Audio } from '../../engine/components';
import { useVideoConfig } from '../../engine/player';
import { interpolate } from '../../engine/animation';
import { TimelineElement, TimelineLayer, DesignMD } from '../../types';
import { calculateElementTransitions } from './useTransitions';
import { resolveKeyframes } from './keyframeEngine';
import { ChromaKeyImage } from './ChromaKeyImage';
import { ChromaKeyVideo } from './ChromaKeyVideo';
import type { CanvasActionMode } from './ElementActionToolbar';
import { loadGoogleFont } from '../../utils/googleFontsApi';
import { ElementRenderer } from './ElementRenderer';
import { ElementHandles } from './ElementHandles';
interface CompositionElementProps {
element: TimelineElement;
layer: TimelineLayer | undefined;
designMD: DesignMD;
frame: number;
selectedElementId: string | null;
activeLayerId: string | null;
activeAction: CanvasActionMode;
isImageMode?: boolean;
onElementClick?: (id: string) => void;
onElementDoubleClick?: (id: string) => void;
onElementContextMenu?: (id: string, e: React.MouseEvent) => void;
onDragStart?: (e: React.PointerEvent, id: string, origPos: { x: number; y: number; w: number; h: number; rotation?: number }) => void;
startResize?: (e: React.PointerEvent, id: string, origPos: { x: number; y: number; w: number; h: number; rotation?: number }) => void;
startRotate?: (e: React.PointerEvent, id: string, origPos: { x: number; y: number; w: number; h: number; rotation?: number }) => void;
onElementDuplicate?: (id: string) => void;
onElementDelete?: (id: string) => void;
onElementLock?: (id: string) => void;
}
export const CompositionElement: React.FC<CompositionElementProps> = ({
element: el,
layer,
designMD,
frame,
selectedElementId,
activeLayerId,
activeAction,
isImageMode = false,
onElementClick,
onElementDoubleClick,
onElementContextMenu,
onDragStart,
startResize,
startRotate,
onElementDuplicate,
onElementDelete,
onElementLock,
}) => {
// ─── Dynamic font loading for text elements ───
const fontFamily = el.type === 'text' ? (el.fontFamily ?? designMD.baseFont) : null;
useEffect(() => {
if (fontFamily) loadGoogleFont(fontFamily);
}, [fontFamily]);
const { width } = useVideoConfig();
const scaleFactor = width / 1080;
// In image mode: all non-locked elements are interactive (Photoshop model)
// In video mode: only elements on the active layer are interactive
const isInteractive = isImageMode
? !el.isLocked
: (!!activeLayerId && el.layerId === activeLayerId) && !el.isLocked;
// Skip hidden elements (after all hooks to satisfy Rules of Hooks)
if (el.isHidden) return null;
if (el.type === 'text') {
console.log('[DEBUG TEXT]', {
id: el.id,
content: el.content,
x: el.x, y: el.y,
opacity: el.opacity,
layerOpacity: layer?.opacity,
color: el.color,
fontSize: el.fontSize,
fontFamily: fontFamily,
startFrame: el.startFrame,
endFrame: el.endFrame,
currentFrame: frame
});
}
const isSelected = selectedElementId === el.id;
const layerOpacity = layer?.opacity ?? 1;
const baseOpacity = ((el.opacity ?? 100) / 100) * layerOpacity;
const currentScale = el.scale ?? 1;
const currentRot = el.rotation ?? 0;
const { opacity, transformStr, displayContent } = calculateElementTransitions(
el, frame, baseOpacity, currentScale, currentRot, undefined, undefined
);
// Resolve position — multi-keyframes take priority over legacy animEnd*
let currentX = el.x;
let currentY = el.y;
if (el.keyframes && el.keyframes.length >= 2) {
// Multi-keyframe: resolve x/y from keyframe engine
const resolved = resolveKeyframes(el.keyframes, frame, {
x: el.x, y: el.y,
scale: currentScale, opacity: baseOpacity, rotation: currentRot,
});
currentX = resolved.x;
currentY = resolved.y;
} else if (!el.keyframes) {
// Legacy 2-point keyframes
if (el.animEndX !== undefined) {
currentX = interpolate(frame, [el.startFrame, el.endFrame], [el.x, el.animEndX], { extrapolateLeft: 'clamp', extrapolateRight: 'clamp' });
}
if (el.animEndY !== undefined) {
currentY = interpolate(frame, [el.startFrame, el.endFrame], [el.y, el.animEndY], { extrapolateLeft: 'clamp', extrapolateRight: 'clamp' });
}
}
const isFullscreenBrand = el.isBrandElement && (el.brandDisplayMode ?? 'fullscreen') === 'fullscreen' && el.type === 'video';
const resolvedBlendMode = (() => {
// When chroma key is active, transparency is handled by the canvas — no CSS blend needed
if (el.chromaKeyEnabled) return 'normal';
if (!el.isBrandElement) return el.blendMode || 'normal';
if (el.content === designMD.introVideoUrl) return designMD.introBlendMode || el.blendMode || 'normal';
if (el.content === designMD.outroVideoUrl) return designMD.outroBlendMode || el.blendMode || 'normal';
return el.blendMode || 'normal';
})();
// Chroma key defaults
const ckColor = el.chromaKeyColor || '#ffffff';
const ckTolerance = el.chromaKeyTolerance ?? 30;
const ckSoftness = el.chromaKeySoftness ?? 10;
const scaledBlurAmount = (el.blurAmount ?? 0) * scaleFactor;
const filterStr = `brightness(${el.brightness ?? 100}%) contrast(${el.contrast ?? 100}%) saturate(${el.saturation ?? 100}%)${el.hueRotate ? ` hue-rotate(${el.hueRotate}deg)` : ''}${el.sepia ? ` sepia(${el.sepia}%)` : ''}${scaledBlurAmount ? ` blur(${scaledBlurAmount}px)` : ''}`;
// Contain background: wrap media in a colored container when objectFit='contain' and color is set
const hasContainBg = (el.objectFit === 'contain' || !el.objectFit) && !!el.containBgColor;
const containBgStyle: React.CSSProperties | undefined = hasContainBg ? {
width: '100%',
height: el.height ? '100%' : 'auto',
backgroundColor: el.containBgColor!,
display: 'flex',
alignItems: 'center',
justifyContent: 'center',
overflow: 'hidden',
} : undefined;
// Adapters for the drag hooks
const getOrigPos = () => ({
x: currentX,
y: currentY,
w: el.width ?? (el.type === 'text' ? undefined : 25) ?? 25,
h: el.height ?? 25,
rotation: currentRot,
});
const handleStartDrag = (e: React.PointerEvent) => {
if (!isInteractive) return;
e.stopPropagation();
if (e.button === 2) return;
if (onElementClick) onElementClick(el.id);
if (activeAction === 'move' && onDragStart) {
onDragStart(e, el.id, getOrigPos());
} else if (activeAction === 'scale' && startResize) {
startResize(e, el.id, getOrigPos());
} else if (activeAction === 'rotate' && startRotate) {
startRotate(e, el.id, getOrigPos());
}
};
const handleScaleDrag = (e: React.PointerEvent) => {
if (!isInteractive || !startResize) return;
e.stopPropagation();
startResize(e, el.id, getOrigPos());
};
const handleRotateDrag = (e: React.PointerEvent) => {
if (!isInteractive || !startRotate) return;
e.stopPropagation();
startRotate(e, el.id, getOrigPos());
};
// ── Selection outline color ──
const outlineColor = el.isLocked ? '#d97706' : '#8b5cf6';
return (
<Sequence from={el.startFrame} durationInFrames={Math.max(1, el.endFrame - el.startFrame)}>
{el.type === 'audio' ? ((() => {
const layerVol = (layer?.volume ?? 100) / 100;
const elVol = el.volume ?? 1;
const isMuted = layer?.isMuted === true;
// Build volume callback for Remotion <Audio>
const volumeCallback = (f: number) => {
if (isMuted) return 0;
let vol = layerVol * elVol;
// Fade in
const fadeIn = el.fadeInFrames ?? 0;
if (fadeIn > 0 && f < fadeIn) {
vol *= interpolate(f, [0, fadeIn], [0, 1], {
extrapolateLeft: 'clamp',
extrapolateRight: 'clamp',
});
}
// Fade out
const fadeOut = el.fadeOutFrames ?? 0;
const clipDuration = el.endFrame - el.startFrame;
if (fadeOut > 0 && f > clipDuration - fadeOut) {
vol *= interpolate(f, [clipDuration - fadeOut, clipDuration], [1, 0], {
extrapolateLeft: 'clamp',
extrapolateRight: 'clamp',
});
}
// Volume keyframes
const vkfs = el.volumeKeyframes;
if (vkfs && vkfs.length > 0) {
const sorted = [...vkfs].sort((a, b) => a.frame - b.frame);
let before = sorted[0];
let after = sorted[sorted.length - 1];
for (let i = 0; i < sorted.length - 1; i++) {
if (f >= sorted[i].frame && f <= sorted[i + 1].frame) {
before = sorted[i];
after = sorted[i + 1];
break;
}
}
if (f <= before.frame) {
vol *= before.volume;
} else if (f >= after.frame) {
vol *= after.volume;
} else {
const kfVol = interpolate(f, [before.frame, after.frame], [before.volume, after.volume], {
extrapolateLeft: 'clamp',
extrapolateRight: 'clamp',
});
vol *= kfVol;
}
}
return Math.max(0, Math.min(1, vol));
};
return <Audio src={el.content} volume={volumeCallback} />;
})()) : isFullscreenBrand ? (
/* ═══ Fullscreen Brand Video ═══ */
<AbsoluteFill
style={{
cursor: isInteractive ? 'pointer' : 'default',
pointerEvents: isInteractive ? 'auto' : 'none',
mixBlendMode: resolvedBlendMode !== 'normal' ? resolvedBlendMode as React.CSSProperties['mixBlendMode'] : undefined,
}}
onClick={(e) => {
e.stopPropagation();
if (isInteractive && onElementClick) onElementClick(el.id);
}}
>
{/* Positioned container — matches branding preview (PreviewRemotion) */}
<div style={{
position: 'absolute',
left: `${el.x ?? 0}%`,
top: `${el.y ?? 0}%`,
width: `${el.w ?? 100}%`,
height: `${el.h ?? 100}%`,
overflow: 'hidden',
borderRadius: (el.w ?? 100) < 100 || (el.h ?? 100) < 100 ? 8 : 0,
backgroundColor: el.containBgColor || undefined,
}}>
{el.chromaKeyEnabled ? (
<ChromaKeyVideo
src={el.content}
chromaKeyColor={ckColor}
chromaKeyTolerance={ckTolerance}
chromaKeySoftness={ckSoftness}
style={{
width: '100%',
height: '100%',
objectFit: (el.objectFit || (() => {
if (el.content === designMD.introVideoUrl) return designMD.introVideoFit || 'cover';
if (el.content === designMD.outroVideoUrl) return designMD.outroVideoFit || 'cover';
return 'cover';
})()) as React.CSSProperties['objectFit'],
opacity: opacity,
filter: filterStr,
}}
/>
) : (
<Video
src={el.content}
volume={el.volume ?? 1}
style={{
width: '100%',
height: '100%',
objectFit: (el.objectFit || (() => {
if (el.content === designMD.introVideoUrl) return designMD.introVideoFit || 'cover';
if (el.content === designMD.outroVideoUrl) return designMD.outroVideoFit || 'cover';
return 'cover';
})()) as React.CSSProperties['objectFit'],
opacity: opacity,
pointerEvents: 'none',
filter: filterStr,
}}
/>
)}
</div>
{isSelected && (
<div style={{
position: 'absolute',
left: `${el.x ?? 0}%`,
top: `${el.y ?? 0}%`,
width: `${el.w ?? 100}%`,
height: `${el.h ?? 100}%`,
border: '3px solid #d97706',
pointerEvents: 'none',
borderRadius: (el.w ?? 100) < 100 || (el.h ?? 100) < 100 ? 8 : 0,
}} />
)}
</AbsoluteFill>
) : (
/* ═══ Normal Positioned Element ═══ */
<AbsoluteFill style={{ pointerEvents: 'none' }}>
<div
style={{
position: 'absolute',
left: `${currentX}%`,
top: `${currentY}%`,
width: el.type === 'text' ? (el.width ? `${el.width}%` : undefined) : `${el.width ?? 25}%`,
height: el.height ? `${el.height}%` : undefined,
transform: `${transformStr}${el.flipH ? ' scaleX(-1)' : ''}${el.flipV ? ' scaleY(-1)' : ''}`,
opacity: opacity,
cursor: isInteractive
? (activeAction === 'move'
? 'grab'
: activeAction === 'scale' ? 'nwse-resize'
: activeAction === 'rotate' ? 'alias'
: 'grab')
: (el.isLocked ? 'not-allowed' : 'default'),
outline: isSelected ? `${Math.max(1, 3 / currentScale)}px dashed ${outlineColor}` : 'none',
outlineOffset: `${6 / currentScale}px`,
pointerEvents: isInteractive || isSelected ? 'auto' : 'none',
mixBlendMode: resolvedBlendMode !== 'normal' ? resolvedBlendMode as React.CSSProperties['mixBlendMode'] : undefined,
border: el.borderWidth ? `${el.borderWidth * scaleFactor}px ${el.borderStyle ?? 'solid'} ${el.borderColor ?? '#ffffff'}` : undefined,
borderRadius: el.borderRadius ? `${el.borderRadius * scaleFactor}px` : undefined,
overflow: (el.height || el.borderRadius) ? 'hidden' : undefined,
boxShadow: el.boxShadowBlur || el.boxShadowX || el.boxShadowY
? `${(el.boxShadowX ?? 0) * scaleFactor}px ${(el.boxShadowY ?? 4) * scaleFactor}px ${(el.boxShadowBlur ?? 10) * scaleFactor}px ${el.boxShadowColor ?? 'rgba(0,0,0,0.5)'}`
: undefined,
}}
onClick={(e) => { e.stopPropagation(); }}
onDoubleClick={(e) => {
e.stopPropagation();
if (isInteractive && onElementDoubleClick) onElementDoubleClick(el.id);
}}
onContextMenu={(e) => {
e.preventDefault();
e.stopPropagation();
if (isInteractive && onElementContextMenu) onElementContextMenu(el.id, e as unknown as React.MouseEvent);
}}
onPointerDown={handleStartDrag}
>
{/* ── Visual Content ── */}
<ElementRenderer
element={el}
designMD={designMD}
displayContent={displayContent}
filterStr={filterStr}
hasContainBg={hasContainBg}
containBgStyle={containBgStyle}
ckColor={ckColor}
ckTolerance={ckTolerance}
ckSoftness={ckSoftness}
/>
{/* ── Editor Handles ── */}
<ElementHandles
isSelected={isSelected}
activeAction={activeAction}
currentScale={currentScale}
onScaleDrag={handleScaleDrag}
onRotateDrag={handleRotateDrag}
/>
</div>
</AbsoluteFill>
)}
</Sequence>
);
};