75 lines
2.1 KiB
TypeScript
75 lines
2.1 KiB
TypeScript
import classNames from 'clsx';
|
|
import React, { useRef } from 'react';
|
|
|
|
import { useSettings } from 'soapbox/hooks';
|
|
|
|
interface IStillImage {
|
|
/** Image alt text. */
|
|
alt?: string,
|
|
/** Extra class names for the outer <div> container. */
|
|
className?: string,
|
|
/** URL to the image */
|
|
src: string,
|
|
/** Extra CSS styles on the outer <div> element. */
|
|
style?: React.CSSProperties,
|
|
/** Whether to display the image contained vs filled in its container. */
|
|
letterboxed?: boolean,
|
|
}
|
|
|
|
/** Renders images on a canvas, only playing GIFs if autoPlayGif is enabled. */
|
|
const StillImage: React.FC<IStillImage> = ({ alt, className, src, style, letterboxed = false }) => {
|
|
const settings = useSettings();
|
|
const autoPlayGif = settings.get('autoPlayGif');
|
|
|
|
const canvas = useRef<HTMLCanvasElement>(null);
|
|
const img = useRef<HTMLImageElement>(null);
|
|
|
|
const hoverToPlay = (
|
|
src && !autoPlayGif && (src.endsWith('.gif') || src.startsWith('blob:'))
|
|
);
|
|
|
|
const handleImageLoad = () => {
|
|
if (hoverToPlay && canvas.current && img.current) {
|
|
canvas.current.width = img.current.naturalWidth;
|
|
canvas.current.height = img.current.naturalHeight;
|
|
canvas.current.getContext('2d')?.drawImage(img.current, 0, 0);
|
|
}
|
|
};
|
|
|
|
/** ClassNames shared between the `<img>` and `<canvas>` elements. */
|
|
const baseClassName = classNames('w-full h-full block', {
|
|
'object-contain': letterboxed,
|
|
'object-cover': !letterboxed,
|
|
});
|
|
|
|
return (
|
|
<div
|
|
data-testid='still-image-container'
|
|
className={classNames(className, 'group overflow-hidden')}
|
|
style={style}
|
|
>
|
|
<div className='relative w-full h-full'>
|
|
<img
|
|
src={src}
|
|
alt={alt}
|
|
ref={img}
|
|
onLoad={handleImageLoad}
|
|
className={classNames(baseClassName, {
|
|
'absolute invisible group-hover:visible': hoverToPlay,
|
|
})}
|
|
/>
|
|
|
|
{hoverToPlay && (
|
|
<canvas
|
|
ref={canvas}
|
|
className={classNames(baseClassName, {
|
|
'group-hover:invisible': hoverToPlay,
|
|
})}
|
|
/>
|
|
)}
|
|
</div>
|
|
</div>
|
|
);
|
|
};
|
|
|
|
export default StillImage;
|