Add reaction deck

app/javascript/mastodon/features/reaction_deck/index.jsx

@@ -0,0 +1,86 @@
+import PropTypes from 'prop-types';
+
+import { defineMessages, injectIntl } from 'react-intl';
+
+import { Helmet } from 'react-helmet';
+
+import { Map as ImmutableMap } from 'immutable';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import { connect } from 'react-redux';
+import { createSelector } from 'reselect';
+
+import ColumnHeader from 'mastodon/components/column_header';
+import LoadingIndicator from 'mastodon/components/loading_indicator';
+import ScrollableList from 'mastodon/components/scrollable_list';
+import Column from 'mastodon/features/ui/components/column';
+
+import ReactionEmoji from './components/reaction_emoji';
+
+
+const DECK_SIZE = 16;
+
+const customEmojiMap = createSelector([state => state.get('custom_emojis')], items => items.reduce((map, emoji) => map.set(emoji.get('shortcode'), emoji), ImmutableMap()));
+
+const messages = defineMessages({
+  refresh: { id: 'refresh', defaultMessage: 'Refresh' },
+  heading: { id: 'column.reaction_deck', defaultMessage: 'Reaction deck' },
+});
+
+const mapStateToProps = (state, props) => ({
+  accountIds: state.getIn(['user_lists', 'favourited_by', props.params.statusId]),
+  deck: state.get('reaction_deck'),
+  emojiMap: customEmojiMap(state),
+});
+
+class ReactionDeck extends ImmutablePureComponent {
+
+  static propTypes = {
+    params: PropTypes.object.isRequired,
+    dispatch: PropTypes.func.isRequired,
+    deck: ImmutablePropTypes.list,
+    emojiMap: ImmutablePropTypes.map,
+    multiColumn: PropTypes.bool,
+    intl: PropTypes.object.isRequired,
+  };
+
+  render () {
+    const { intl, deck, emojiMap, multiColumn } = this.props;
+
+    if (!deck) {
+      return (
+        <Column>
+          <LoadingIndicator />
+        </Column>
+      );
+    }
+
+
+    return (
+      <Column bindToDocument={!multiColumn}>
+        <ColumnHeader
+          icon='smile-o'
+          title={intl.formatMessage(messages.heading)}
+          multiColumn={multiColumn}
+          showBackButton
+        />
+
+          <ScrollableList
+            scrollKey='reaction_deck'
+            bindToDocument={!multiColumn}
+          >
+            {[...Array(DECK_SIZE).keys()].map(emojiId =>
+              <ReactionEmoji key={emojiId} emojiMap={emojiMap} emojiId={emojiId} />
+            )}
+          </ScrollableList>
+
+        <Helmet>
+          <meta name='robots' content='noindex' />
+        </Helmet>
+      </Column>
+    );
+  }
+
+}
+
+export default connect(mapStateToProps)(injectIntl(ReactionDeck));