Add unread notification markers (#14818)

* Add unread notification markers

Fixes #14804

* Allow IntersectionObserverArticle's children to be updated

1 files changed, 15 insertions, 12 deletions

diff --git a/app/javascript/mastodon/features/notifications/components/notification.js b/app/javascript/mastodon/features/notifications/components/notification.js
index 62a97f187..94fdbd6f4 100644
--- a/app/javascript/mastodon/features/notifications/components/notification.js
+++ b/app/javascript/mastodon/features/notifications/components/notification.js
@@ -10,6 +10,7 @@ import AccountContainer from 'mastodon/containers/account_container';
 import FollowRequestContainer from '../containers/follow_request_container';
 import Icon from 'mastodon/components/icon';
 import Permalink from 'mastodon/components/permalink';
+import classNames from 'classnames';
 
 const messages = defineMessages({
   favourite: { id: 'notification.favourite', defaultMessage: '{name} favourited your status' },
@@ -50,6 +51,7 @@ class Notification extends ImmutablePureComponent {
     updateScrollBottom: PropTypes.func,
     cacheMediaWidth: PropTypes.func,
     cachedMediaWidth: PropTypes.number,
+    unread: PropTypes.bool,
   };
 
   handleMoveUp = () => {
@@ -114,11 +116,11 @@ class Notification extends ImmutablePureComponent {
   }
 
   renderFollow (notification, account, link) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-follow focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.follow, { name: account.get('acct') }), notification.get('created_at'))}>
+        <div className={classNames('notification notification-follow focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.follow, { name: account.get('acct') }), notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='user-plus' fixedWidth />
@@ -136,11 +138,11 @@ class Notification extends ImmutablePureComponent {
   }
 
   renderFollowRequest (notification, account, link) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-follow-request focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage({ id: 'notification.follow_request', defaultMessage: '{name} has requested to follow you' }, { name: account.get('acct') }), notification.get('created_at'))}>
+        <div className={classNames('notification notification-follow-request focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage({ id: 'notification.follow_request', defaultMessage: '{name} has requested to follow you' }, { name: account.get('acct') }), notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='user' fixedWidth />
@@ -170,16 +172,17 @@ class Notification extends ImmutablePureComponent {
         updateScrollBottom={this.props.updateScrollBottom}
         cachedMediaWidth={this.props.cachedMediaWidth}
         cacheMediaWidth={this.props.cacheMediaWidth}
+        unread={this.props.unread}
       />
     );
   }
 
   renderFavourite (notification, link) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-favourite focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.favourite, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
+        <div className={classNames('notification notification-favourite focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.favourite, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='star' className='star-icon' fixedWidth />
@@ -207,11 +210,11 @@ class Notification extends ImmutablePureComponent {
   }
 
   renderReblog (notification, link) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-reblog focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.reblog, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
+        <div className={classNames('notification notification-reblog focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.reblog, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='retweet' fixedWidth />
@@ -239,11 +242,11 @@ class Notification extends ImmutablePureComponent {
   }
 
   renderStatus (notification, link) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-status focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.status, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
+        <div className={classNames('notification notification-status focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, intl.formatMessage(messages.status, { name: notification.getIn(['account', 'acct']) }), notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='home' fixedWidth />
@@ -271,13 +274,13 @@ class Notification extends ImmutablePureComponent {
   }
 
   renderPoll (notification, account) {
-    const { intl } = this.props;
+    const { intl, unread } = this.props;
     const ownPoll  = me === account.get('id');
     const message  = ownPoll ? intl.formatMessage(messages.ownPoll) : intl.formatMessage(messages.poll);
 
     return (
       <HotKeys handlers={this.getHandlers()}>
-        <div className='notification notification-poll focusable' tabIndex='0' aria-label={notificationForScreenReader(intl, message, notification.get('created_at'))}>
+        <div className={classNames('notification notification-poll focusable', { unread })} tabIndex='0' aria-label={notificationForScreenReader(intl, message, notification.get('created_at'))}>
           <div className='notification__message'>
             <div className='notification__favourite-icon-wrapper'>
               <Icon id='tasks' fixedWidth />