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Add ability to view alt text by clicking the ALT badge in web UI (#32058)
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app/javascript/mastodon/components/alt_text_badge.tsx
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67
app/javascript/mastodon/components/alt_text_badge.tsx
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@ -0,0 +1,67 @@
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import { useState, useCallback, useRef } from 'react';
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import { FormattedMessage } from 'react-intl';
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import Overlay from 'react-overlays/Overlay';
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import type {
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OffsetValue,
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UsePopperOptions,
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} from 'react-overlays/esm/usePopper';
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const offset = [0, 4] as OffsetValue;
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const popperConfig = { strategy: 'fixed' } as UsePopperOptions;
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export const AltTextBadge: React.FC<{
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description: string;
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}> = ({ description }) => {
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const anchorRef = useRef<HTMLButtonElement>(null);
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const [open, setOpen] = useState(false);
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const handleClick = useCallback(() => {
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setOpen((v) => !v);
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}, [setOpen]);
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const handleClose = useCallback(() => {
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setOpen(false);
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}, [setOpen]);
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return (
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<>
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<button
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ref={anchorRef}
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className='media-gallery__alt__label'
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onClick={handleClick}
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>
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ALT
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</button>
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<Overlay
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rootClose
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onHide={handleClose}
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show={open}
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target={anchorRef.current}
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placement='top-end'
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flip
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offset={offset}
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popperConfig={popperConfig}
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>
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{({ props }) => (
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<div {...props} className='hover-card-controller'>
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<div
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className='media-gallery__alt__popover dropdown-animation'
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role='tooltip'
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>
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<h4>
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<FormattedMessage
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id='alt_text_badge.title'
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defaultMessage='Alt text'
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/>
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</h4>
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<p>{description}</p>
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</div>
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</div>
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)}
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</Overlay>
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</>
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);
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};
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@ -10,6 +10,7 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
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import { debounce } from 'lodash';
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import { AltTextBadge } from 'mastodon/components/alt_text_badge';
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import { Blurhash } from 'mastodon/components/blurhash';
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import { formatTime } from 'mastodon/features/video';
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@ -97,7 +98,7 @@ class Item extends PureComponent {
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}
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if (attachment.get('description')?.length > 0) {
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badges.push(<span key='alt' className='media-gallery__alt__label'>ALT</span>);
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badges.push(<AltTextBadge key='alt' description={attachment.get('description')} />);
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}
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const description = attachment.getIn(['translation', 'description']) || attachment.get('description');
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@ -156,9 +157,9 @@ class Item extends PureComponent {
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const duration = attachment.getIn(['meta', 'original', 'duration']);
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if (attachment.get('type') === 'gifv') {
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badges.push(<span key='gif' className='media-gallery__gifv__label'>GIF</span>);
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badges.push(<span key='gif' className='media-gallery__alt__label media-gallery__alt__label--non-interactive'>GIF</span>);
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} else {
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badges.push(<span key='video' className='media-gallery__gifv__label'>{formatTime(Math.floor(duration))}</span>);
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badges.push(<span key='video' className='media-gallery__alt__label media-gallery__alt__label--non-interactive'>{formatTime(Math.floor(duration))}</span>);
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}
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thumbnail = (
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@ -5,6 +5,7 @@ import classNames from 'classnames';
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import HeadphonesIcon from '@/material-icons/400-24px/headphones-fill.svg?react';
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import MovieIcon from '@/material-icons/400-24px/movie-fill.svg?react';
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import VisibilityOffIcon from '@/material-icons/400-24px/visibility_off.svg?react';
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import { AltTextBadge } from 'mastodon/components/alt_text_badge';
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import { Blurhash } from 'mastodon/components/blurhash';
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import { Icon } from 'mastodon/components/icon';
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import { formatTime } from 'mastodon/features/video';
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@ -77,11 +78,7 @@ export const MediaItem: React.FC<{
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const badges = [];
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if (description && description.length > 0) {
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badges.push(
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<span key='alt' className='media-gallery__alt__label'>
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ALT
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</span>,
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);
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badges.push(<AltTextBadge key='alt' description={description} />);
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}
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if (!visible) {
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@ -156,13 +153,19 @@ export const MediaItem: React.FC<{
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if (type === 'gifv') {
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badges.push(
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<span key='gif' className='media-gallery__gifv__label'>
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<span
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key='gif'
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className='media-gallery__alt__label media-gallery__alt__label--non-interactive'
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>
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GIF
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</span>,
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);
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} else {
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badges.push(
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<span key='video' className='media-gallery__gifv__label'>
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<span
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key='video'
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className='media-gallery__alt__label media-gallery__alt__label--non-interactive'
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>
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{formatTime(Math.floor(duration))}
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</span>,
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);
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@ -85,6 +85,7 @@
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"alert.rate_limited.title": "Rate limited",
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"alert.unexpected.message": "An unexpected error occurred.",
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"alert.unexpected.title": "Oops!",
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"alt_text_badge.title": "Alt text",
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"announcement.announcement": "Announcement",
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"attachments_list.unprocessed": "(unprocessed)",
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"audio.hide": "Hide audio",
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@ -6971,14 +6971,14 @@ a.status-card {
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inset-inline-end: 8px;
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display: flex;
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gap: 2px;
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pointer-events: none;
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}
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.media-gallery__alt__label,
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.media-gallery__gifv__label {
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display: flex;
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align-items: center;
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justify-content: center;
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.media-gallery__alt__label {
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display: block;
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text-align: center;
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color: $white;
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border: 0;
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background: rgba($black, 0.65);
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backdrop-filter: blur(10px) saturate(180%) contrast(75%) brightness(70%);
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padding: 3px 8px;
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@ -6986,8 +6986,41 @@ a.status-card {
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font-size: 12px;
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font-weight: 700;
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z-index: 1;
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pointer-events: none;
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line-height: 20px;
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cursor: pointer;
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pointer-events: auto;
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&--non-interactive {
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pointer-events: none;
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}
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}
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.media-gallery__alt__popover {
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background: rgba($black, 0.65);
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backdrop-filter: blur(10px) saturate(180%) contrast(75%) brightness(70%);
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border-radius: 4px;
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box-shadow: var(--dropdown-shadow);
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padding: 16px;
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min-width: 16em;
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min-height: 2em;
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max-width: 22em;
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max-height: 30em;
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overflow-y: auto;
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h4 {
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font-size: 15px;
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line-height: 20px;
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font-weight: 500;
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color: $white;
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margin-bottom: 8px;
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}
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p {
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font-size: 15px;
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line-height: 20px;
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color: rgba($white, 0.85);
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white-space: pre-line;
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}
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}
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.attachment-list {
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