[Glitch] Fix various issues with logged-out web UI

Port part of e2b561e3a5 to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

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

@@ -28,6 +28,9 @@ import LoadGap from 'flavours/glitch/components/load_gap';
 import Icon from 'flavours/glitch/components/icon';
 import compareId from 'flavours/glitch/util/compare_id';
 import NotificationsPermissionBanner from './components/notifications_permission_banner';
+import NotSignedInIndicator from 'flavours/glitch/components/not_signed_in_indicator';
+import { Helmet } from 'react-helmet';
+import { title } from 'flavours/glitch/util/initial_state';
 
 import NotificationPurgeButtonsContainer from 'flavours/glitch/containers/notification_purge_buttons_container';
 
@@ -94,6 +97,10 @@ export default @connect(mapStateToProps, mapDispatchToProps)
 @injectIntl
 class Notifications extends React.PureComponent {
 
+  static contextTypes = {
+    identity: PropTypes.object,
+  };
+
   static propTypes = {
     columnId: PropTypes.string,
     notifications: ImmutablePropTypes.list.isRequired,
@@ -224,10 +231,11 @@ class Notifications extends React.PureComponent {
     const { animatingNCD } = this.state;
     const pinned = !!columnId;
     const emptyMessage = <FormattedMessage id='empty_column.notifications' defaultMessage="You don't have any notifications yet. When other people interact with you, you will see it here." />;
+    const { signedIn } = this.context.identity;
 
     let scrollableContent = null;
 
-    const filterBarContainer = showFilterBar
+    const filterBarContainer = (signedIn && showFilterBar)
       ? (<FilterBarContainer />)
       : null;
 
@@ -257,26 +265,32 @@ class Notifications extends React.PureComponent {
 
     this.scrollableContent = scrollableContent;
 
-    const scrollContainer = (
-      <ScrollableList
-        scrollKey={`notifications-${columnId}`}
-        trackScroll={!pinned}
-        isLoading={isLoading}
-        showLoading={isLoading && notifications.size === 0}
-        hasMore={hasMore}
-        numPending={numPending}
-        prepend={needsNotificationPermission && <NotificationsPermissionBanner />}
-        alwaysPrepend
-        emptyMessage={emptyMessage}
-        onLoadMore={this.handleLoadOlder}
-        onLoadPending={this.handleLoadPending}
-        onScrollToTop={this.handleScrollToTop}
-        onScroll={this.handleScroll}
-        bindToDocument={!multiColumn}
-      >
-        {scrollableContent}
-      </ScrollableList>
-    );
+    let scrollContainer;
+
+    if (signedIn) {
+      scrollContainer = (
+        <ScrollableList
+          scrollKey={`notifications-${columnId}`}
+          trackScroll={!pinned}
+          isLoading={isLoading}
+          showLoading={isLoading && notifications.size === 0}
+          hasMore={hasMore}
+          numPending={numPending}
+          prepend={needsNotificationPermission && <NotificationsPermissionBanner />}
+          alwaysPrepend
+          emptyMessage={emptyMessage}
+          onLoadMore={this.handleLoadOlder}
+          onLoadPending={this.handleLoadPending}
+          onScrollToTop={this.handleScrollToTop}
+          onScroll={this.handleScroll}
+          bindToDocument={!multiColumn}
+        >
+          {scrollableContent}
+        </ScrollableList>
+      );
+    } else {
+      scrollContainer = <NotSignedInIndicator />;
+    }
 
     const extraButtons = [];
 
@@ -354,8 +368,13 @@ class Notifications extends React.PureComponent {
         >
           <ColumnSettingsContainer />
         </ColumnHeader>
+
         {filterBarContainer}
         {scrollContainer}
+
+        <Helmet>
+          <title>{intl.formatMessage(messages.title)} - {title}</title>
+        </Helmet>
       </Column>
     );
   }