MediaItem: convert to TSX+FC

app/soapbox/features/account_gallery/components/media_item.tsx

@@ -0,0 +1,141 @@
+import classNames from 'classnames';
+import React, { useState } from 'react';
+
+import Blurhash from 'soapbox/components/blurhash';
+import Icon from 'soapbox/components/icon';
+import StillImage from 'soapbox/components/still_image';
+import { useSettings } from 'soapbox/hooks';
+import { isIOS } from 'soapbox/is_mobile';
+
+import type { Attachment } from 'soapbox/types/entities';
+
+interface IMediaItem {
+  attachment: Attachment,
+  displayWidth: number,
+  onOpenMedia: (attachment: Attachment) => void,
+}
+
+const MediaItem: React.FC<IMediaItem> = ({ attachment, displayWidth, onOpenMedia }) => {
+  const settings = useSettings();
+  const autoPlayGif = settings.get('autoPlayGif');
+  const displayMedia = settings.get('displayMedia');
+
+  const [visible, setVisible] = useState<boolean>(displayMedia !== 'hide_all' && !attachment.status?.sensitive || displayMedia === 'show_all');
+
+  const handleMouseEnter: React.MouseEventHandler<HTMLVideoElement> = e => {
+    const video = e.target as HTMLVideoElement;
+    if (hoverToPlay()) {
+      video.play();
+    }
+  };
+
+  const handleMouseLeave: React.MouseEventHandler<HTMLVideoElement> = e => {
+    const video = e.target as HTMLVideoElement;
+    if (hoverToPlay()) {
+      video.pause();
+      video.currentTime = 0;
+    }
+  };
+
+  const hoverToPlay = () => {
+    return !autoPlayGif && ['gifv', 'video'].indexOf(attachment.type) !== -1;
+  };
+
+  const handleClick: React.MouseEventHandler = e => {
+    if (e.button === 0 && !(e.ctrlKey || e.metaKey)) {
+      e.preventDefault();
+
+      if (visible) {
+        onOpenMedia(attachment);
+      } else {
+        setVisible(true);
+      }
+    }
+  };
+
+  const width  = `${Math.floor((displayWidth - 4) / 3) - 4}px`;
+  const height = width;
+  const status = attachment.get('status');
+  const title = status.get('spoiler_text') || attachment.get('description');
+
+  let thumbnail: React.ReactNode = '';
+  let icon;
+
+  if (attachment.type === 'unknown') {
+    // Skip
+  } else if (attachment.type === 'image') {
+    const focusX = Number(attachment.getIn(['meta', 'focus', 'x'])) || 0;
+    const focusY = Number(attachment.getIn(['meta', 'focus', 'y'])) || 0;
+    const x = ((focusX /  2) + .5) * 100;
+    const y = ((focusY / -2) + .5) * 100;
+
+    thumbnail = (
+      <StillImage
+        src={attachment.preview_url}
+        alt={attachment.description}
+        style={{ objectPosition: `${x}% ${y}%` }}
+      />
+    );
+  } else if (['gifv', 'video'].indexOf(attachment.type) !== -1) {
+    const conditionalAttributes: React.VideoHTMLAttributes<HTMLVideoElement> = {};
+    if (isIOS()) {
+      conditionalAttributes.playsInline = true;
+    }
+    if (autoPlayGif) {
+      conditionalAttributes.autoPlay = true;
+    }
+    thumbnail = (
+      <div className={classNames('media-gallery__gifv', { autoplay: autoPlayGif })}>
+        <video
+          className='media-gallery__item-gifv-thumbnail'
+          aria-label={attachment.description}
+          title={attachment.description}
+          role='application'
+          src={attachment.url}
+          onMouseEnter={handleMouseEnter}
+          onMouseLeave={handleMouseLeave}
+          loop
+          muted
+          {...conditionalAttributes}
+        />
+
+        <span className='media-gallery__gifv__label'>GIF</span>
+      </div>
+    );
+  } else if (attachment.type === 'audio') {
+    const remoteURL = attachment.remote_url || '';
+    const fileExtensionLastIndex = remoteURL.lastIndexOf('.');
+    const fileExtension = remoteURL.substr(fileExtensionLastIndex + 1).toUpperCase();
+    thumbnail = (
+      <div className='media-gallery__item-thumbnail'>
+        <span className='media-gallery__item__icons'><Icon src={require('@tabler/icons/volume.svg')} /></span>
+        <span className='media-gallery__file-extension__label'>{fileExtension}</span>
+      </div>
+    );
+  }
+
+  if (!visible) {
+    icon = (
+      <span className='account-gallery__item__icons'>
+        <Icon src={require('@tabler/icons/eye-off.svg')} />
+      </span>
+    );
+  }
+
+  return (
+    <div className='account-gallery__item' style={{ width, height }}>
+      <a className='media-gallery__item-thumbnail' href={status.get('url')} target='_blank' onClick={handleClick} title={title}>
+        <Blurhash
+          hash={attachment.get('blurhash')}
+          className={classNames('media-gallery__preview', {
+            'media-gallery__preview--hidden': visible,
+          })}
+        />
+        {visible && thumbnail}
+        {!visible && icon}
+      </a>
+    </div>
+  );
+};
+
+export default MediaItem;