Add show more/less toggle for entire threads in web UI

Inspired from b6003afcdb but using component
properties instead of redux store for hidden/revealed state.

app/javascript/flavours/glitch/features/status/components/detailed_status.js

@@ -24,6 +24,8 @@ export default class DetailedStatus extends ImmutablePureComponent {
     settings: ImmutablePropTypes.map.isRequired,
     onOpenMedia: PropTypes.func.isRequired,
     onOpenVideo: PropTypes.func.isRequired,
+    onToggleHidden: PropTypes.func.isRequired,
+    expanded: PropTypes.bool,
   };
 
   handleAccountClick = (e) => {
@@ -41,7 +43,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
 
   render () {
     const status = this.props.status.get('reblog') ? this.props.status.get('reblog') : this.props.status;
-    const { expanded, setExpansion, settings } = this.props;
+    const { expanded, onToggleHidden, settings } = this.props;
 
     let media           = '';
     let mediaIcon       = null;
@@ -115,7 +117,7 @@ export default class DetailedStatus extends ImmutablePureComponent {
           mediaIcon={mediaIcon}
           expanded={expanded}
           collapsed={false}
-          setExpansion={setExpansion}
+          onExpandedToggle={onToggleHidden}
         />
 
         <div className='detailed-status__meta'>

app/javascript/flavours/glitch/features/status/index.js

@@ -29,6 +29,7 @@ import { initReport } from 'flavours/glitch/actions/reports';
 import { makeGetStatus } from 'flavours/glitch/selectors';
 import { ScrollContainer } from 'react-router-scroll-4';
 import ColumnBackButton from 'flavours/glitch/components/column_back_button';
+import ColumnHeader from '../../components/column_header';
 import StatusContainer from 'flavours/glitch/containers/status_container';
 import { openModal } from 'flavours/glitch/actions/modal';
 import { defineMessages, injectIntl, FormattedMessage } from 'react-intl';
@@ -41,6 +42,8 @@ const messages = defineMessages({
   deleteConfirm: { id: 'confirmations.delete.confirm', defaultMessage: 'Delete' },
   deleteMessage: { id: 'confirmations.delete.message', defaultMessage: 'Are you sure you want to delete this status?' },
   blockConfirm: { id: 'confirmations.block.confirm', defaultMessage: 'Block' },
+  revealAll: { id: 'status.show_more_all', defaultMessage: 'Show more for all' },
+  hideAll: { id: 'status.show_less_all', defaultMessage: 'Show less for all' },
 });
 
 const makeMapStateToProps = () => {
@@ -77,6 +80,7 @@ export default class Status extends ImmutablePureComponent {
   state = {
     fullscreen: false,
     isExpanded: false,
+    threadExpanded: null,
   };
 
   componentWillMount () {
@@ -190,6 +194,11 @@ export default class Status extends ImmutablePureComponent {
     }
   }
 
+  handleToggleAll = () => {
+    const { isExpanded } = this.state;
+    this.setState({ isExpanded: !isExpanded, threadExpanded: !isExpanded });
+  }
+
   handleBlockClick = (account) => {
     const { dispatch, intl } = this.props;
 
@@ -285,6 +294,7 @@ export default class Status extends ImmutablePureComponent {
       <StatusContainer
         key={id}
         id={id}
+        expanded={this.state.threadExpanded}
         onMoveUp={this.handleMoveUp}
         onMoveDown={this.handleMoveDown}
       />
@@ -327,7 +337,7 @@ export default class Status extends ImmutablePureComponent {
   render () {
     let ancestors, descendants;
     const { setExpansion } = this;
-    const { status, settings, ancestorsIds, descendantsIds } = this.props;
+    const { status, settings, ancestorsIds, descendantsIds, intl } = this.props;
     const { fullscreen, isExpanded } = this.state;
 
     if (status === null) {
@@ -360,7 +370,12 @@ export default class Status extends ImmutablePureComponent {
 
     return (
       <Column>
-        <ColumnBackButton />
+        <ColumnHeader
+          showBackButton
+          extraButton={(
+            <button className='column-header__button' title={intl.formatMessage(!isExpanded ? messages.revealAll : messages.hideAll)} aria-label={intl.formatMessage(!isExpanded ? messages.revealAll : messages.hideAll)} onClick={this.handleToggleAll} aria-pressed={!isExpanded ? 'false' : 'true'}><i className={`fa fa-${!isExpanded ? 'eye-slash' : 'eye'}`} /></button>
+          )}
+        />
 
         <ScrollContainer scrollKey='thread'>
           <div className={classNames('scrollable', 'detailed-status__wrapper', { fullscreen })} ref={this.setRef}>
@@ -374,7 +389,7 @@ export default class Status extends ImmutablePureComponent {
                   onOpenVideo={this.handleOpenVideo}
                   onOpenMedia={this.handleOpenMedia}
                   expanded={isExpanded}
-                  setExpansion={setExpansion}
+                  onToggleHidden={this.handleExpandedToggle}
                 />
 
                 <ActionBar