104 lines
2.9 KiB
TypeScript
104 lines
2.9 KiB
TypeScript
import clsx from 'clsx';
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import React, { useRef } from 'react';
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import { useSettings } from 'pl-fe/hooks/use-settings';
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interface IStillImage {
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/** Image alt text. */
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alt?: string;
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/** Extra class names for the outer <div> container. */
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className?: string;
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/** URL to the image */
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src: string;
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/** Extra CSS styles on the outer <div> element. */
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style?: React.CSSProperties;
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/** Whether to display the image contained vs filled in its container. */
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letterboxed?: boolean;
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/** Whether to show the file extension in the corner. */
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showExt?: boolean;
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/** Callback function if the image fails to load */
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onError?(): void;
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/** Treat as animated, no matter the extension */
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isGif?: boolean;
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/** Specify that the group is defined by the parent */
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noGroup?: boolean;
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}
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/** Renders images on a canvas, only playing GIFs if autoPlayGif is enabled. */
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const StillImage: React.FC<IStillImage> = ({
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alt, className, src, style, letterboxed = false, showExt = false, onError, isGif, noGroup,
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}) => {
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const { autoPlayGif } = useSettings();
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const canvas = useRef<HTMLCanvasElement>(null);
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const img = useRef<HTMLImageElement>(null);
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const hoverToPlay = (
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src && !autoPlayGif && ((isGif) || src.endsWith('.gif') || src.startsWith('blob:'))
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);
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const handleImageLoad = () => {
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if (hoverToPlay && canvas.current && img.current) {
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canvas.current.width = img.current.naturalWidth;
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canvas.current.height = img.current.naturalHeight;
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canvas.current.getContext('2d')?.drawImage(img.current, 0, 0);
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}
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};
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/** ClassNames shared between the `<img>` and `<canvas>` elements. */
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const baseClassName = clsx('block size-full', {
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'object-contain': letterboxed,
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'object-cover': !letterboxed,
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});
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return (
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<div
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data-testid='still-image-container'
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className={clsx(className, 'relative isolate overflow-hidden', { 'group': !noGroup })}
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style={style}
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>
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<img
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src={src}
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alt={alt}
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ref={img}
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onLoad={handleImageLoad}
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onError={onError}
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className={clsx(baseClassName, {
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'invisible group-hover:visible': hoverToPlay,
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})}
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/>
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{hoverToPlay && (
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<canvas
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ref={canvas}
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className={clsx(baseClassName, {
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'absolute group-hover:invisible top-0': hoverToPlay,
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})}
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/>
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)}
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{(hoverToPlay && showExt) && (
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<div className='pointer-events-none absolute bottom-2 left-2 opacity-90 group-hover:hidden'>
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<ExtensionBadge ext='GIF' />
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</div>
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)}
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</div>
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);
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};
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interface IExtensionBadge {
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/** File extension. */
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ext: string;
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}
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/** Badge displaying a file extension. */
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const ExtensionBadge: React.FC<IExtensionBadge> = ({ ext }) => (
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<div className='inline-flex items-center rounded bg-gray-100 px-2 py-0.5 text-sm font-medium text-gray-900 dark:bg-gray-800 dark:text-gray-100'>
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{ext}
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</div>
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);
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export {
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type IStillImage,
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StillImage as default,
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};
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