Merge remote-tracking branch 'soapbox/develop' into ts

Signed-off-by: marcin mikołajczak <git@mkljczk.pl>

app/soapbox/components/__tests__/scroll-top-button.test.js

@@ -0,0 +1,43 @@
+import React from 'react';
+import { defineMessages } from 'react-intl';
+
+import { render, screen } from '../../jest/test-helpers';
+import ScrollTopButton from '../scroll-top-button';
+
+const messages = defineMessages({
+  queue: { id: 'status_list.queue_label', defaultMessage: 'Click to see {count} new {count, plural, one {post} other {posts}}' },
+});
+
+describe('<ScrollTopButton />', () => {
+  it('renders correctly', async() => {
+    render(
+      <ScrollTopButton
+        key='scroll-top-button'
+        onClick={() => {}}
+        count={0}
+        message={messages.queue}
+      />,
+    );
+    expect(screen.queryAllByRole('link')).toHaveLength(0);
+
+    render(
+      <ScrollTopButton
+        key='scroll-top-button'
+        onClick={() => {}}
+        count={1}
+        message={messages.queue}
+      />,
+    );
+    expect(screen.getByText('Click to see 1 new post', { hidden: true })).toBeInTheDocument();
+
+    render(
+      <ScrollTopButton
+        key='scroll-top-button'
+        onClick={() => {}}
+        count={9999999}
+        message={messages.queue}
+      />,
+    );
+    expect(screen.getByText('Click to see 9999999 new posts', { hidden: true })).toBeInTheDocument();
+  });
+});

app/soapbox/components/__tests__/timeline_queue_button_header.test.js

@@ -1,50 +0,0 @@
-import { fromJS } from 'immutable';
-import React from 'react';
-import { defineMessages } from 'react-intl';
-
-import { render, screen } from '../../jest/test-helpers';
-import TimelineQueueButtonHeader from '../timeline_queue_button_header';
-
-const messages = defineMessages({
-  queue: { id: 'status_list.queue_label', defaultMessage: 'Click to see {count} new {count, plural, one {post} other {posts}}' },
-});
-
-describe('<TimelineQueueButtonHeader />', () => {
-  it('renders correctly', async() => {
-    render(
-      <TimelineQueueButtonHeader
-        key='timeline-queue-button-header'
-        onClick={() => {}} // eslint-disable-line react/jsx-no-bind
-        timelineId='home'
-        message={messages.queue}
-      />,
-      undefined,
-      { timelines: fromJS({ home: { totalQueuedItemsCount: 0 } }) },
-    );
-    expect(screen.queryAllByRole('link')).toHaveLength(0);
-
-    render(
-      <TimelineQueueButtonHeader
-        key='timeline-queue-button-header'
-        onClick={() => {}} // eslint-disable-line react/jsx-no-bind
-        timelineId='home'
-        message={messages.queue}
-      />,
-      undefined,
-      { timelines: fromJS({ home: { totalQueuedItemsCount: 1 } }) },
-    );
-    expect(screen.getByText(/Click to see\s+1\s+new post/, { hidden: true })).toBeInTheDocument();
-
-    render(
-      <TimelineQueueButtonHeader
-        key='timeline-queue-button-header'
-        onClick={() => {}} // eslint-disable-line react/jsx-no-bind
-        timelineId='home'
-        message={messages.queue}
-      />,
-      undefined,
-      { timelines: fromJS({ home: { totalQueuedItemsCount: 9999999 } }) },
-    );
-    expect(screen.getByText(/10.*M/, { hidden: true })).toBeInTheDocument();
-  });
-});

app/soapbox/components/scroll-top-button.tsx

@@ -5,27 +5,31 @@ import { useIntl, MessageDescriptor } from 'react-intl';
 
 import Icon from 'soapbox/components/icon';
 import { Text } from 'soapbox/components/ui';
-import { useAppSelector, useSettings } from 'soapbox/hooks';
-import { shortNumberFormat } from 'soapbox/utils/numbers';
+import { useSettings } from 'soapbox/hooks';
 
-interface ITimelineQueueButtonHeader {
+interface IScrollTopButton {
+  /** Callback when clicked, and also when scrolled to the top. */
   onClick: () => void,
-  timelineId: string,
+  /** Number of unread items. */
+  count: number,
+  /** Message to display in the button (should contain a `{count}` value). */
   message: MessageDescriptor,
+  /** Distance from the top of the screen (scrolling down) before the button appears. */
   threshold?: number,
+  /** Distance from the top of the screen (scrolling up) before the action is triggered. */
   autoloadThreshold?: number,
 }
 
-const TimelineQueueButtonHeader: React.FC<ITimelineQueueButtonHeader> = ({
+/** Floating new post counter above timelines, clicked to scroll to top. */
+const ScrollTopButton: React.FC<IScrollTopButton> = ({
   onClick,
-  timelineId,
+  count,
   message,
   threshold = 400,
   autoloadThreshold = 50,
 }) => {
   const intl = useIntl();
   const settings = useSettings();
-  const count = useAppSelector(state => state.timelines.getIn([timelineId, 'totalQueuedItemsCount']));
 
   const [scrolled, setScrolled] = useState<boolean>(false);
   const autoload = settings.get('autoloadTimelines') === true;
@@ -42,10 +46,10 @@ const TimelineQueueButtonHeader: React.FC<ITimelineQueueButtonHeader> = ({
     } else {
       setScrolled(false);
     }
-  }, 150, { trailing: true }), []);
+  }, 150, { trailing: true }), [autoload, threshold, autoloadThreshold]);
 
   const scrollUp = () => {
-    window.scrollTo({ top: 0, behavior: 'smooth' });
+    window.scrollTo({ top: 0 });
   };
 
   const handleClick: React.MouseEventHandler = () => {
@@ -74,7 +78,7 @@ const TimelineQueueButtonHeader: React.FC<ITimelineQueueButtonHeader> = ({
 
         {(count > 0) && (
           <Text theme='inherit' size='sm'>
-            {intl.formatMessage(message, { count: shortNumberFormat(count) })}
+            {intl.formatMessage(message, { count })}
           </Text>
         )}
       </a>
@@ -82,4 +86,4 @@ const TimelineQueueButtonHeader: React.FC<ITimelineQueueButtonHeader> = ({
   );
 };
 
-export default TimelineQueueButtonHeader;
+export default ScrollTopButton;

app/soapbox/components/scrollable_list.tsx

@@ -9,6 +9,7 @@ import { useSettings } from 'soapbox/hooks';
 import LoadMore from './load_more';
 import { Spinner, Text } from './ui';
 
+/** Custom Viruoso component context. */
 type Context = {
   itemClassName?: string,
   listClassName?: string,
@@ -20,6 +21,7 @@ type SavedScrollPosition = {
   offset: number,
 }
 
+/** Custom Virtuoso Item component representing a single scrollable item. */
 // NOTE: It's crucial to space lists with **padding** instead of margin!
 // Pass an `itemClassName` like `pb-3`, NOT a `space-y-3` className
 // https://virtuoso.dev/troubleshooting#list-does-not-scroll-to-the-bottom--items-jump-around
@@ -27,6 +29,7 @@ const Item: Components<Context>['Item'] = ({ context, ...rest }) => (
   <div className={context?.itemClassName} {...rest} />
 );
 
+/** Custom Virtuoso List component for the outer container. */
 // Ensure the className winds up here
 const List: Components<Context>['List'] = React.forwardRef((props, ref) => {
   const { context, ...rest } = props;
@@ -34,28 +37,47 @@ const List: Components<Context>['List'] = React.forwardRef((props, ref) => {
 });
 
 interface IScrollableList extends VirtuosoProps<any, any> {
+  /** Unique key to preserve the scroll position when navigating back. */
   scrollKey?: string,
+  /** Pagination callback when the end of the list is reached. */
   onLoadMore?: () => void,
+  /** Whether the data is currently being fetched. */
   isLoading?: boolean,
+  /** Whether to actually display the loading state. */
   showLoading?: boolean,
+  /** Whether we expect an additional page of data. */
   hasMore?: boolean,
+  /** Additional element to display at the top of the list. */
   prepend?: React.ReactNode,
+  /** Whether to display the prepended element. */
   alwaysPrepend?: boolean,
+  /** Message to display when the list is loaded but empty. */
   emptyMessage?: React.ReactNode,
+  /** Scrollable content. */
   children: Iterable<React.ReactNode>,
+  /** Callback when the list is scrolled to the top. */
   onScrollToTop?: () => void,
+  /** Callback when the list is scrolled. */
   onScroll?: () => void,
+  /** Placeholder component to render while loading. */
   placeholderComponent?: React.ComponentType | React.NamedExoticComponent,
+  /** Number of placeholders to render while loading. */
   placeholderCount?: number,
+  /** Pull to refresh callback. */
   onRefresh?: () => Promise<any>,
+  /** Extra class names on the Virtuoso element. */
   className?: string,
+  /** Class names on each item container. */
   itemClassName?: string,
+  /** `id` attribute on the Virtuoso element. */
   id?: string,
+  /** CSS styles on the Virtuoso element. */
   style?: React.CSSProperties,
+  /** Whether to use the window to scroll the content instead of Virtuoso's container. */
   useWindowScroll?: boolean
 }
 
-/** Legacy ScrollableList with Virtuoso for backwards-compatibility */
+/** Legacy ScrollableList with Virtuoso for backwards-compatibility. */
 const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
   scrollKey,
   prepend = null,
@@ -88,7 +110,7 @@ const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
   const topIndex = useRef<number>(scrollData ? scrollData.index : 0);
   const topOffset = useRef<number>(scrollData ? scrollData.offset : 0);
 
-  /** Normalized children */
+  /** Normalized children. */
   const elements = Array.from(children || []);
 
   const showPlaceholder = showLoading && Placeholder && placeholderCount > 0;
@@ -129,7 +151,7 @@ const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
     };
   }, []);
 
-  /* Render an empty state instead of the scrollable list */
+  /* Render an empty state instead of the scrollable list. */
   const renderEmpty = (): JSX.Element => {
     return (
       <div className='mt-2'>
@@ -146,7 +168,7 @@ const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
     );
   };
 
-  /** Render a single item */
+  /** Render a single item. */
   const renderItem = (_i: number, element: JSX.Element): JSX.Element => {
     if (showPlaceholder) {
       return <Placeholder />;
@@ -192,7 +214,7 @@ const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
     return 0;
   }, [showLoading, initialTopMostItemIndex]);
 
-  /** Render the actual Virtuoso list */
+  /** Render the actual Virtuoso list. */
   const renderFeed = (): JSX.Element => (
     <Virtuoso
       ref={ref}
@@ -222,7 +244,7 @@ const ScrollableList = React.forwardRef<VirtuosoHandle, IScrollableList>(({
     />
   );
 
-  /** Conditionally render inner elements */
+  /** Conditionally render inner elements. */
   const renderBody = (): JSX.Element => {
     if (isEmpty) {
       return renderEmpty();

app/soapbox/components/status-reply-mentions.tsx

@@ -1,4 +1,3 @@
-import { List as ImmutableList } from 'immutable';
 import React from 'react';
 import { FormattedList, FormattedMessage } from 'react-intl';
 import { Link } from 'react-router-dom';
@@ -7,7 +6,7 @@ import { openModal } from 'soapbox/actions/modals';
 import HoverRefWrapper from 'soapbox/components/hover_ref_wrapper';
 import { useAppDispatch } from 'soapbox/hooks';
 
-import type { Status } from 'soapbox/types/entities';
+import type { Account, Status } from 'soapbox/types/entities';
 
 interface IStatusReplyMentions {
   status: Status,
@@ -19,8 +18,10 @@ const StatusReplyMentions: React.FC<IStatusReplyMentions> = ({ status }) => {
   const handleOpenMentionsModal: React.MouseEventHandler<HTMLSpanElement> = (e) => {
     e.stopPropagation();
 
+    const account = status.account as Account;
+
     dispatch(openModal('MENTIONS', {
-      username: status.getIn(['account', 'acct']),
+      username: account.acct,
       statusId: status.id,
     }));
   };
@@ -29,7 +30,7 @@ const StatusReplyMentions: React.FC<IStatusReplyMentions> = ({ status }) => {
     return null;
   }
 
-  const to = status.mentions || ImmutableList();
+  const to = status.mentions;
 
   // The post is a reply, but it has no mentions.
   // Rare, but it can happen.
@@ -46,14 +47,14 @@ const StatusReplyMentions: React.FC<IStatusReplyMentions> = ({ status }) => {
 
   // The typical case with a reply-to and a list of mentions.
   const accounts = to.slice(0, 2).map(account => (
-    <HoverRefWrapper accountId={account.get('id')} inline>
-      <Link to={`/@${account.get('acct')}`} className='reply-mentions__account'>@{account.get('username')}</Link>
+    <HoverRefWrapper key={account.id} accountId={account.id} inline>
+      <Link to={`/@${account.acct}`} className='reply-mentions__account'>@{account.username}</Link>
     </HoverRefWrapper>
   )).toArray();
 
   if (to.size > 2) {
     accounts.push(
-      <span className='hover:underline cursor-pointer' role='presentation' onClick={handleOpenMentionsModal}>
+      <span key='more' className='hover:underline cursor-pointer' role='presentation' onClick={handleOpenMentionsModal}>
         <FormattedMessage id='reply_mentions.more' defaultMessage='{count} more' values={{ count: to.size - 2 }} />
       </span>,
     );

app/soapbox/components/status_list.tsx

@@ -14,24 +14,31 @@ import type { VirtuosoHandle } from 'react-virtuoso';
 import type { IScrollableList } from 'soapbox/components/scrollable_list';
 
 interface IStatusList extends Omit<IScrollableList, 'onLoadMore' | 'children'> {
+  /** Unique key to preserve the scroll position when navigating back. */
   scrollKey: string,
+  /** List of status IDs to display. */
   statusIds: ImmutableOrderedSet<string>,
+  /** Last _unfiltered_ status ID (maxId) for pagination.  */
   lastStatusId?: string,
+  /** Pinned statuses to show at the top of the feed. */
   featuredStatusIds?: ImmutableOrderedSet<string>,
+  /** Pagination callback when the end of the list is reached. */
   onLoadMore?: (lastStatusId: string) => void,
+  /** Whether the data is currently being fetched. */
   isLoading: boolean,
+  /** Whether the server did not return a complete page. */
   isPartial?: boolean,
+  /** Whether we expect an additional page of data. */
   hasMore: boolean,
-  prepend?: React.ReactNode,
+  /** Message to display when the list is loaded but empty. */
   emptyMessage: React.ReactNode,
-  alwaysPrepend?: boolean,
+  /** ID of the timeline in Redux. */
   timelineId?: string,
-  queuedItemSize?: number,
-  onScrollToTop?: () => void,
-  onScroll?: () => void,
+  /** Whether to display a gap or border between statuses in the list. */
   divideType: 'space' | 'border',
 }
 
+/** Feed of statuses, built atop ScrollableList. */
 const StatusList: React.FC<IStatusList> = ({
   statusIds,
   lastStatusId,
@@ -68,11 +75,11 @@ const StatusList: React.FC<IStatusList> = ({
   };
 
   const handleLoadOlder = useCallback(debounce(() => {
-    const loadMoreID = lastStatusId || statusIds.last();
-    if (onLoadMore && loadMoreID) {
-      onLoadMore(loadMoreID);
+    const maxId = lastStatusId || statusIds.last();
+    if (onLoadMore && maxId) {
+      onLoadMore(maxId);
     }
-  }, 300, { leading: true }), []);
+  }, 300, { leading: true }), [onLoadMore, lastStatusId, statusIds.last()]);
 
   const selectChild = (index: number) => {
     node.current?.scrollIntoView({

app/soapbox/components/tombstone.tsx

@@ -1,16 +1,30 @@
 import React from 'react';
+import { HotKeys } from 'react-hotkeys';
 import { FormattedMessage } from 'react-intl';
 
 import { Text } from 'soapbox/components/ui';
 
+interface ITombstone {
+  id: string,
+  onMoveUp: (statusId: string) => void,
+  onMoveDown: (statusId: string) => void,
+}
+
 /** Represents a deleted item. */
-const Tombstone: React.FC = () => {
+const Tombstone: React.FC<ITombstone> = ({ id, onMoveUp, onMoveDown }) => {
+  const handlers = {
+    moveUp: () => onMoveUp(id),
+    moveDown: () => onMoveDown(id),
+  };
+
   return (
-    <div className='p-9 flex items-center justify-center sm:rounded-xl bg-gray-100 border border-solid border-gray-200 dark:bg-slate-900 dark:border-slate-700'>
-      <Text>
-        <FormattedMessage id='statuses.tombstone' defaultMessage='One or more posts is unavailable.' />
-      </Text>
-    </div>
+    <HotKeys handlers={handlers}>
+      <div className='p-9 flex items-center justify-center sm:rounded-xl bg-gray-100 border border-solid border-gray-200 dark:bg-slate-900 dark:border-slate-700 focusable' tabIndex={0}>
+        <Text>
+          <FormattedMessage id='statuses.tombstone' defaultMessage='One or more posts is unavailable.' />
+        </Text>
+      </div>
+    </HotKeys>
   );
 };
 

app/soapbox/features/community_timeline/index.js

@@ -9,7 +9,7 @@ import { expandCommunityTimeline } from 'soapbox/actions/timelines';
 import SubNavigation from 'soapbox/components/sub_navigation';
 import { Column } from 'soapbox/components/ui';
 
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 import ColumnSettings from './containers/column_settings_container';
 
@@ -81,7 +81,7 @@ class CommunityTimeline extends React.PureComponent {
     return (
       <Column label={intl.formatMessage(messages.title)} transparent>
         <SubNavigation message={intl.formatMessage(messages.title)} settings={ColumnSettings} />
-        <StatusListContainer
+        <Timeline
           scrollKey={`${timelineId}_timeline`}
           timelineId={`${timelineId}${onlyMedia ? ':media' : ''}`}
           onLoadMore={this.handleLoadMore}

app/soapbox/features/direct_timeline/index.tsx

@@ -9,7 +9,7 @@ import ColumnHeader from 'soapbox/components/column_header';
 import { Column } from 'soapbox/components/ui';
 import { useAppDispatch, useAppSelector } from 'soapbox/hooks';
 
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 const messages = defineMessages({
   title: { id: 'column.direct', defaultMessage: 'Direct messages' },
@@ -52,7 +52,7 @@ const DirectTimeline = () => {
         onSelected={handleSuggestion}
       />
 
-      <StatusListContainer
+      <Timeline
         scrollKey='direct_timeline'
         timelineId='direct'
         onLoadMore={handleLoadMore}

app/soapbox/features/groups/timeline/index.js

@@ -12,7 +12,7 @@ import { connectGroupStream } from '../../../actions/streaming';
 import { expandGroupTimeline } from '../../../actions/timelines';
 import Avatar from '../../../components/avatar';
 import MissingIndicator from '../../../components/missing_indicator';
-import StatusListContainer from '../../ui/containers/status_list_container';
+import Timeline from '../../ui/components/timeline';
 
 const mapStateToProps = (state, props) => {
   const me = state.get('me');
@@ -90,7 +90,7 @@ class GroupTimeline extends React.PureComponent {
         )}
 
         <div className='group__feed'>
-          <StatusListContainer
+          <Timeline
             alwaysPrepend
             scrollKey={`group_timeline-${columnId}`}
             timelineId={`group:${id}`}

app/soapbox/features/hashtag_timeline/index.js

@@ -8,7 +8,7 @@ import { connectHashtagStream } from '../../actions/streaming';
 import { expandHashtagTimeline, clearTimeline } from '../../actions/timelines';
 import ColumnHeader from '../../components/column_header';
 import { Column } from '../../components/ui';
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 const mapStateToProps = (state, props) => ({
   hasUnread: state.getIn(['timelines', `hashtag:${props.params.id}`, 'unread']) > 0,
@@ -114,7 +114,7 @@ class HashtagTimeline extends React.PureComponent {
     return (
       <Column label={`#${id}`} transparent>
         <ColumnHeader active={hasUnread} title={this.title()} />
-        <StatusListContainer
+        <Timeline
           scrollKey='hashtag_timeline'
           timelineId={`hashtag:${id}`}
           onLoadMore={this.handleLoadMore}

app/soapbox/features/home_timeline/index.js

@@ -10,7 +10,7 @@ import { getFeatures } from 'soapbox/utils/features';
 
 import { expandHomeTimeline } from '../../actions/timelines';
 import { Column } from '../../components/ui';
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 function FollowRecommendationsContainer() {
   return import(/* webpackChunkName: "features/follow_recommendations" */'soapbox/features/follow_recommendations/components/follow_recommendations_container');
@@ -114,7 +114,7 @@ class HomeTimeline extends React.PureComponent {
             {Component => <Component onDone={this.handleDone} />}
           </BundleContainer>
         ) : (
-          <StatusListContainer
+          <Timeline
             scrollKey='home_timeline'
             onLoadMore={this.handleLoadMore}
             onRefresh={this.handleRefresh}

app/soapbox/features/list_timeline/index.tsx

@@ -12,7 +12,7 @@ import { Button, Spinner } from 'soapbox/components/ui';
 import Column from 'soapbox/features/ui/components/column';
 import { useAppSelector } from 'soapbox/hooks';
 
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 // const messages = defineMessages({
 //   deleteHeading: { id: 'confirmations.delete_list.heading', defaultMessage: 'Delete list' },
@@ -110,7 +110,7 @@ const ListTimeline: React.FC = () => {
         </div>
       </HomeColumnHeader> */}
 
-      <StatusListContainer
+      <Timeline
         scrollKey='list_timeline'
         timelineId={`list:${id}`}
         onLoadMore={handleLoadMore}

app/soapbox/features/notifications/index.js

@@ -14,8 +14,8 @@ import {
   dequeueNotifications,
 } from 'soapbox/actions/notifications';
 import { getSettings } from 'soapbox/actions/settings';
+import ScrollTopButton from 'soapbox/components/scroll-top-button';
 import ScrollableList from 'soapbox/components/scrollable_list';
-import TimelineQueueButtonHeader from  'soapbox/components/timeline_queue_button_header';
 import { Column } from 'soapbox/components/ui';
 import PlaceholderNotification from 'soapbox/features/placeholder/components/placeholder_notification';
 
@@ -195,7 +195,7 @@ class Notifications extends React.PureComponent {
     return (
       <Column ref={this.setColumnRef} label={intl.formatMessage(messages.title)} withHeader={false}>
         {filterBarContainer}
-        <TimelineQueueButtonHeader
+        <ScrollTopButton
           onClick={this.handleDequeueNotifications}
           count={totalQueuedNotificationsCount}
           message={messages.queue}

app/soapbox/features/public_timeline/index.js

@@ -12,7 +12,7 @@ import { Column } from 'soapbox/components/ui';
 import Accordion from 'soapbox/features/ui/components/accordion';
 
 import PinnedHostsPicker from '../remote_timeline/components/pinned_hosts_picker';
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 import ColumnSettings from './containers/column_settings_container';
 
@@ -130,7 +130,7 @@ class CommunityTimeline extends React.PureComponent {
             />
           </Accordion>
         </div>}
-        <StatusListContainer
+        <Timeline
           scrollKey={`${timelineId}_timeline`}
           timelineId={`${timelineId}${onlyMedia ? ':media' : ''}`}
           onLoadMore={this.handleLoadMore}

app/soapbox/features/remote_timeline/index.tsx

@@ -9,7 +9,7 @@ import { HStack, Text } from 'soapbox/components/ui';
 import Column from 'soapbox/features/ui/components/column';
 import { useAppDispatch, useSettings } from 'soapbox/hooks';
 
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 import PinnedHostsPicker from './components/pinned_hosts_picker';
 
@@ -77,7 +77,7 @@ const RemoteTimeline: React.FC<IRemoteTimeline> = ({ params }) => {
           />
         </Text>
       </HStack>}
-      <StatusListContainer
+      <Timeline
         scrollKey={`${timelineId}_${instance}_timeline`}
         timelineId={`${timelineId}${onlyMedia ? ':media' : ''}:${instance}`}
         onLoadMore={handleLoadMore}

app/soapbox/features/status/index.tsx

@@ -561,7 +561,12 @@ class Status extends ImmutablePureComponent<IStatus, IStatusState> {
   renderTombstone(id: string) {
     return (
       <div className='py-4 pb-8'>
-        <Tombstone key={id} />
+        <Tombstone
+          key={id}
+          id={id}
+          onMoveUp={this.handleMoveUp}
+          onMoveDown={this.handleMoveDown}
+        />
       </div>
     );
   }
@@ -635,6 +640,8 @@ class Status extends ImmutablePureComponent<IStatus, IStatusState> {
         index: this.props.ancestorsIds.size,
         offset: -80,
       });
+
+      setImmediate(() => this.status?.querySelector('a')?.focus());
     }
   }
 

app/soapbox/features/test_timeline/index.tsx

@@ -7,7 +7,7 @@ import { expandTimelineSuccess } from 'soapbox/actions/timelines';
 import SubNavigation from 'soapbox/components/sub_navigation';
 
 import { Column } from '../../components/ui';
-import StatusListContainer from '../ui/containers/status_list_container';
+import Timeline from '../ui/components/timeline';
 
 const messages = defineMessages({
   title: { id: 'column.test', defaultMessage: 'Test timeline' },
@@ -40,7 +40,7 @@ const TestTimeline: React.FC = () => {
   return (
     <Column label={intl.formatMessage(messages.title)} transparent>
       <SubNavigation message={intl.formatMessage(messages.title)} />
-      <StatusListContainer
+      <Timeline
         scrollKey={`${timelineId}_timeline`}
         timelineId={`${timelineId}${onlyMedia ? ':media' : ''}`}
         emptyMessage={<FormattedMessage id='empty_column.test' defaultMessage='The test timeline is empty.' />}

app/soapbox/features/ui/components/timeline.tsx

@@ -5,8 +5,8 @@ import { defineMessages } from 'react-intl';
 
 import { dequeueTimeline } from 'soapbox/actions/timelines';
 import { scrollTopTimeline } from 'soapbox/actions/timelines';
+import ScrollTopButton from 'soapbox/components/scroll-top-button';
 import StatusList, { IStatusList } from 'soapbox/components/status_list';
-import TimelineQueueButtonHeader from 'soapbox/components/timeline_queue_button_header';
 import { useAppSelector, useAppDispatch } from 'soapbox/hooks';
 import { makeGetStatusIds } from 'soapbox/selectors';
 
@@ -14,11 +14,13 @@ const messages = defineMessages({
   queue: { id: 'status_list.queue_label', defaultMessage: 'Click to see {count} new {count, plural, one {post} other {posts}}' },
 });
 
-interface IStatusListContainer extends Omit<IStatusList, 'statusIds' | 'isLoading' | 'hasMore'> {
+interface ITimeline extends Omit<IStatusList, 'statusIds' | 'isLoading' | 'hasMore'> {
+  /** ID of the timeline in Redux. */
   timelineId: string,
 }
 
-const StatusListContainer: React.FC<IStatusListContainer> = ({
+/** Scrollable list of statuses from a timeline in the Redux store. */
+const Timeline: React.FC<ITimeline> = ({
   timelineId,
   onLoadMore,
   ...rest
@@ -31,6 +33,7 @@ const StatusListContainer: React.FC<IStatusListContainer> = ({
   const isLoading = useAppSelector(state => state.timelines.getIn([timelineId, 'isLoading'], true) === true);
   const isPartial = useAppSelector(state => state.timelines.getIn([timelineId, 'isPartial'], false) === true);
   const hasMore = useAppSelector(state => state.timelines.getIn([timelineId, 'hasMore']) === true);
+  const totalQueuedItemsCount = useAppSelector(state => state.timelines.getIn([timelineId, 'totalQueuedItemsCount']));
 
   const handleDequeueTimeline = () => {
     dispatch(dequeueTimeline(timelineId, onLoadMore));
@@ -38,22 +41,23 @@ const StatusListContainer: React.FC<IStatusListContainer> = ({
 
   const handleScrollToTop = useCallback(debounce(() => {
     dispatch(scrollTopTimeline(timelineId, true));
-  }, 100), []);
+  }, 100), [timelineId]);
 
   const handleScroll = useCallback(debounce(() => {
     dispatch(scrollTopTimeline(timelineId, false));
-  }, 100), []);
+  }, 100), [timelineId]);
 
   return (
     <>
-      <TimelineQueueButtonHeader
+      <ScrollTopButton
         key='timeline-queue-button-header'
         onClick={handleDequeueTimeline}
-        timelineId={timelineId}
+        count={totalQueuedItemsCount}
         message={messages.queue}
       />
 
       <StatusList
+        timelineId={timelineId}
         onScrollToTop={handleScrollToTop}
         onScroll={handleScroll}
         lastStatusId={lastStatusId}
@@ -68,4 +72,4 @@ const StatusListContainer: React.FC<IStatusListContainer> = ({
   );
 };
 
-export default StatusListContainer;
+export default Timeline;