phanpy/src/components/media.jsx

622 wiersze
19 KiB
JavaScript

import { getBlurHashAverageColor } from 'fast-blurhash';
import { Fragment } from 'preact';
import {
useCallback,
useLayoutEffect,
useMemo,
useRef,
useState,
} from 'preact/hooks';
import QuickPinchZoom, { make3dTransformValue } from 'react-quick-pinch-zoom';
import formatDuration from '../utils/format-duration';
import mem from '../utils/mem';
import states from '../utils/states';
import Icon from './icon';
import Link from './link';
const isSafari = /^((?!chrome|android).)*safari/i.test(navigator.userAgent); // https://stackoverflow.com/a/23522755
/*
Media type
===
unknown = unsupported or unrecognized file type
image = Static image
gifv = Looping, soundless animation
video = Video clip
audio = Audio track
*/
const dataAltLabel = 'ALT';
const AltBadge = (props) => {
const { alt, lang, index, ...rest } = props;
if (!alt || !alt.trim()) return null;
return (
<button
type="button"
class="alt-badge clickable"
{...rest}
onClick={(e) => {
e.stopPropagation();
e.preventDefault();
states.showMediaAlt = {
alt,
lang,
};
}}
title="Media description"
>
{dataAltLabel}
{!!index && <sup>{index}</sup>}
</button>
);
};
const MEDIA_CAPTION_LIMIT = 140;
const MEDIA_CAPTION_LIMIT_LONGER = 280;
export const isMediaCaptionLong = mem((caption) =>
caption?.length
? caption.length > MEDIA_CAPTION_LIMIT ||
/[\n\r].*[\n\r]/.test(caption.trim())
: false,
);
function Media({
class: className = '',
media,
to,
lang,
showOriginal,
autoAnimate,
showCaption,
allowLongerCaption,
altIndex,
onClick = () => {},
}) {
let {
blurhash,
description,
meta,
previewRemoteUrl,
previewUrl,
remoteUrl,
url,
type,
} = media;
if (/no\-preview\./i.test(previewUrl)) {
previewUrl = null;
}
const { original = {}, small, focus } = meta || {};
const width = showOriginal
? original?.width
: small?.width || original?.width;
const height = showOriginal
? original?.height
: small?.height || original?.height;
const mediaURL = showOriginal ? url : previewUrl || url;
const remoteMediaURL = showOriginal
? remoteUrl
: previewRemoteUrl || remoteUrl;
const hasDimensions = width && height;
const orientation = hasDimensions
? width > height
? 'landscape'
: 'portrait'
: null;
const rgbAverageColor = blurhash ? getBlurHashAverageColor(blurhash) : null;
const videoRef = useRef();
let focalPosition;
if (focus) {
// Convert focal point to CSS background position
// Formula from jquery-focuspoint
// x = -1, y = 1 => 0% 0%
// x = 0, y = 0 => 50% 50%
// x = 1, y = -1 => 100% 100%
const x = ((focus.x + 1) / 2) * 100;
const y = ((1 - focus.y) / 2) * 100;
focalPosition = `${x.toFixed(0)}% ${y.toFixed(0)}%`;
}
const mediaRef = useRef();
const onUpdate = useCallback(({ x, y, scale }) => {
const { current: media } = mediaRef;
if (media) {
const value = make3dTransformValue({ x, y, scale });
if (scale === 1) {
media.style.removeProperty('transform');
} else {
media.style.setProperty('transform', value);
}
media.closest('.media-zoom').style.touchAction =
scale <= 1.01 ? 'pan-x' : '';
}
}, []);
const [pinchZoomEnabled, setPinchZoomEnabled] = useState(false);
const quickPinchZoomProps = {
enabled: pinchZoomEnabled,
draggableUnZoomed: false,
inertiaFriction: 0.9,
tapZoomFactor: 2,
doubleTapToggleZoom: true,
containerProps: {
className: 'media-zoom',
style: {
overflow: 'visible',
// width: 'inherit',
// height: 'inherit',
// justifyContent: 'inherit',
// alignItems: 'inherit',
// display: 'inherit',
},
},
onUpdate,
};
const Parent = useMemo(
() => (to ? (props) => <Link to={to} {...props} /> : 'div'),
[to],
);
const remoteMediaURLObj = remoteMediaURL ? new URL(remoteMediaURL) : null;
const isVideoMaybe =
type === 'unknown' &&
remoteMediaURLObj &&
/\.(mp4|m4r|m4v|mov|webm)$/i.test(remoteMediaURLObj.pathname);
const isAudioMaybe =
type === 'unknown' &&
remoteMediaURLObj &&
/\.(mp3|ogg|wav|m4a|m4p|m4b)$/i.test(remoteMediaURLObj.pathname);
const isImage =
type === 'image' ||
(type === 'unknown' && previewUrl && !isVideoMaybe && !isAudioMaybe);
const parentRef = useRef();
const [imageSmallerThanParent, setImageSmallerThanParent] = useState(false);
useLayoutEffect(() => {
if (!isImage) return;
if (!showOriginal) return;
if (!parentRef.current) return;
const { offsetWidth, offsetHeight } = parentRef.current;
const smaller = width < offsetWidth && height < offsetHeight;
if (smaller) setImageSmallerThanParent(smaller);
}, [width, height]);
const maxAspectHeight =
window.innerHeight * (orientation === 'portrait' ? 0.45 : 0.33);
const maxHeight = orientation === 'portrait' ? 0 : 160;
const averageColorStyle = {
'--average-color': rgbAverageColor && `rgb(${rgbAverageColor.join(',')})`,
};
const mediaStyles =
width && height
? {
'--width': `${width}px`,
'--height': `${height}px`,
// Calculate '--aspectWidth' based on aspect ratio calculated from '--width' and '--height', max height has to be 160px
'--aspectWidth': `${
(width / height) * Math.max(maxHeight, maxAspectHeight)
}px`,
aspectRatio: `${width} / ${height}`,
...averageColorStyle,
}
: {
...averageColorStyle,
};
const longDesc = isMediaCaptionLong(description);
let showInlineDesc =
!!showCaption && !showOriginal && !!description && !longDesc;
if (
allowLongerCaption &&
!showInlineDesc &&
description?.length <= MEDIA_CAPTION_LIMIT_LONGER
) {
showInlineDesc = true;
}
const Figure = !showInlineDesc
? Fragment
: (props) => {
const { children, ...restProps } = props;
return (
<figure {...restProps}>
{children}
<figcaption
class="media-caption"
lang={lang}
dir="auto"
onClick={(e) => {
e.preventDefault();
e.stopPropagation();
states.showMediaAlt = {
alt: description,
lang,
};
}}
>
{description}
</figcaption>
</figure>
);
};
if (isImage) {
// Note: type: unknown might not have width/height
quickPinchZoomProps.containerProps.style.display = 'inherit';
useLayoutEffect(() => {
if (!isSafari) return;
if (!showOriginal) return;
(async () => {
try {
await fetch(mediaURL, { mode: 'no-cors' });
mediaRef.current.src = mediaURL;
} catch (e) {
// Ignore
}
})();
}, [mediaURL]);
return (
<Figure>
<Parent
ref={parentRef}
class={`media media-image ${className}`}
onClick={onClick}
data-orientation={orientation}
data-has-alt={!showInlineDesc}
style={
showOriginal
? {
backgroundImage: `url(${previewUrl})`,
backgroundSize: imageSmallerThanParent
? `${width}px ${height}px`
: undefined,
...averageColorStyle,
}
: mediaStyles
}
>
{showOriginal ? (
<QuickPinchZoom {...quickPinchZoomProps}>
<img
ref={mediaRef}
src={mediaURL}
alt={description}
width={width}
height={height}
data-orientation={orientation}
loading="eager"
decoding="sync"
onLoad={(e) => {
e.target.closest('.media-image').style.backgroundImage = '';
e.target.closest('.media-zoom').style.display = '';
setPinchZoomEnabled(true);
}}
onError={(e) => {
const { src } = e.target;
if (
src === mediaURL &&
remoteMediaURL &&
mediaURL !== remoteMediaURL
) {
e.target.src = remoteMediaURL;
}
}}
/>
</QuickPinchZoom>
) : (
<>
<img
src={mediaURL}
alt={showInlineDesc ? '' : description}
width={width}
height={height}
data-orientation={orientation}
loading="lazy"
style={{
// backgroundColor:
// rgbAverageColor && `rgb(${rgbAverageColor.join(',')})`,
// backgroundPosition: focalBackgroundPosition || 'center',
// Duration based on width or height in pixels
objectPosition: focalPosition || 'center',
// 100px per second (rough estimate)
// Clamp between 5s and 120s
'--anim-duration': `${Math.min(
Math.max(Math.max(width, height) / 100, 5),
120,
)}s`,
}}
onLoad={(e) => {
// e.target.closest('.media-image').style.backgroundImage = '';
e.target.dataset.loaded = true;
if (!hasDimensions) {
const $media = e.target.closest('.media');
if ($media) {
const { naturalWidth, naturalHeight } = e.target;
$media.dataset.orientation =
naturalWidth > naturalHeight ? 'landscape' : 'portrait';
$media.style.setProperty('--width', `${naturalWidth}px`);
$media.style.setProperty(
'--height',
`${naturalHeight}px`,
);
$media.style.aspectRatio = `${naturalWidth}/${naturalHeight}`;
}
}
}}
onError={(e) => {
const { src } = e.target;
if (src === mediaURL && mediaURL !== remoteMediaURL) {
e.target.src = remoteMediaURL;
}
}}
/>
{!showInlineDesc && (
<AltBadge alt={description} lang={lang} index={altIndex} />
)}
</>
)}
</Parent>
</Figure>
);
} else if (type === 'gifv' || type === 'video' || isVideoMaybe) {
const hasDuration = original.duration > 0;
const shortDuration = original.duration < 31;
const isGIF = type === 'gifv' && shortDuration;
// If GIF is too long, treat it as a video
const loopable = original.duration < 61;
const formattedDuration = formatDuration(original.duration);
const hoverAnimate = !showOriginal && !autoAnimate && isGIF;
const autoGIFAnimate = !showOriginal && autoAnimate && isGIF;
const showProgress = original.duration > 5;
const videoHTML = `
<video
src="${url}"
poster="${previewUrl}"
width="${width}"
height="${height}"
data-orientation="${orientation}"
preload="auto"
autoplay
${isGIF ? 'muted' : ''}
${isGIF ? '' : 'controls'}
playsinline
loop="${loopable}"
${isGIF ? 'ondblclick="this.paused ? this.play() : this.pause()"' : ''}
${
isGIF && showProgress
? "ontimeupdate=\"this.closest('.media-gif') && this.closest('.media-gif').style.setProperty('--progress', `${~~((this.currentTime / this.duration) * 100)}%`)\""
: ''
}
></video>
`;
return (
<Figure>
<Parent
class={`media ${className} media-${isGIF ? 'gif' : 'video'} ${
autoGIFAnimate ? 'media-contain' : ''
} ${hoverAnimate ? 'media-hover-animate' : ''}`}
data-orientation={orientation}
data-formatted-duration={
!showOriginal ? formattedDuration : undefined
}
data-label={isGIF && !showOriginal && !autoGIFAnimate ? 'GIF' : ''}
data-has-alt={!showInlineDesc}
// style={{
// backgroundColor:
// rgbAverageColor && `rgb(${rgbAverageColor.join(',')})`,
// }}
style={!showOriginal && mediaStyles}
onClick={(e) => {
if (hoverAnimate) {
try {
videoRef.current.pause();
} catch (e) {}
}
onClick(e);
}}
onMouseEnter={() => {
if (hoverAnimate) {
try {
videoRef.current.play();
} catch (e) {}
}
}}
onMouseLeave={() => {
if (hoverAnimate) {
try {
videoRef.current.pause();
} catch (e) {}
}
}}
onFocus={() => {
if (hoverAnimate) {
try {
videoRef.current.play();
} catch (e) {}
}
}}
onBlur={() => {
if (hoverAnimate) {
try {
videoRef.current.pause();
} catch (e) {}
}
}}
>
{showOriginal || autoGIFAnimate ? (
isGIF && showOriginal ? (
<QuickPinchZoom {...quickPinchZoomProps} enabled>
<div
ref={mediaRef}
dangerouslySetInnerHTML={{
__html: videoHTML,
}}
/>
</QuickPinchZoom>
) : (
<div
class="video-container"
dangerouslySetInnerHTML={{
__html: videoHTML,
}}
/>
)
) : isGIF ? (
<video
ref={videoRef}
src={url}
poster={previewUrl}
width={width}
height={height}
data-orientation={orientation}
preload="auto"
// controls
playsinline
loop
muted
onTimeUpdate={
showProgress
? (e) => {
const { target } = e;
const container = target?.closest('.media-gif');
if (container) {
const percentage =
(target.currentTime / target.duration) * 100;
container.style.setProperty(
'--progress',
`${percentage}%`,
);
}
}
: undefined
}
/>
) : (
<>
{previewUrl ? (
<img
src={previewUrl}
alt={showInlineDesc ? '' : description}
width={width}
height={height}
data-orientation={orientation}
loading="lazy"
decoding="async"
onLoad={(e) => {
if (!hasDimensions) {
const $media = e.target.closest('.media');
if ($media) {
const { naturalHeight, naturalWidth } = e.target;
$media.dataset.orientation =
naturalWidth > naturalHeight
? 'landscape'
: 'portrait';
$media.style.setProperty(
'--width',
`${naturalWidth}px`,
);
$media.style.setProperty(
'--height',
`${naturalHeight}px`,
);
$media.style.aspectRatio = `${naturalWidth}/${naturalHeight}`;
}
}
}}
/>
) : (
<video
src={url + '#t=0.1'} // Make Safari show 1st-frame preview
width={width}
height={height}
data-orientation={orientation}
preload="metadata"
muted
disablePictureInPicture
onLoadedMetadata={(e) => {
if (!hasDuration) {
const { duration } = e.target;
if (duration) {
const formattedDuration = formatDuration(duration);
const container = e.target.closest('.media-video');
if (container) {
container.dataset.formattedDuration =
formattedDuration;
}
}
}
}}
/>
)}
<div class="media-play">
<Icon icon="play" size="xl" />
</div>
</>
)}
{!showOriginal && !showInlineDesc && (
<AltBadge alt={description} lang={lang} index={altIndex} />
)}
</Parent>
</Figure>
);
} else if (type === 'audio' || isAudioMaybe) {
const formattedDuration = formatDuration(original.duration);
return (
<Figure>
<Parent
class={`media media-audio ${className}`}
data-formatted-duration={
!showOriginal ? formattedDuration : undefined
}
data-has-alt={!showInlineDesc}
onClick={onClick}
style={!showOriginal && mediaStyles}
>
{showOriginal ? (
<audio src={remoteUrl || url} preload="none" controls autoplay />
) : previewUrl ? (
<img
src={previewUrl}
alt={showInlineDesc ? '' : description}
width={width}
height={height}
data-orientation={orientation}
loading="lazy"
onError={(e) => {
try {
// Remove self if broken
e.target?.remove?.();
} catch (e) {}
}}
/>
) : null}
{!showOriginal && (
<>
<div class="media-play">
<Icon icon="play" size="xl" />
</div>
{!showInlineDesc && (
<AltBadge alt={description} lang={lang} index={altIndex} />
)}
</>
)}
</Parent>
</Figure>
);
}
}
export default Media;