Fix timestamps

res/css/views/rooms/_EventTile.scss

@@ -85,12 +85,11 @@ $left-gutter: 64px;
 }
 
 .mx_EventTile_isEditing .mx_MessageTimestamp {
-    visibility: hidden !important;
+    visibility: hidden;
 }
 
 .mx_EventTile .mx_MessageTimestamp {
     display: block;
-    visibility: hidden;
     white-space: nowrap;
     left: 0px;
     text-align: center;
@@ -142,29 +141,11 @@ $left-gutter: 64px;
     line-height: 57px !important;
 }
 
-.mx_MessagePanel_alwaysShowTimestamps .mx_MessageTimestamp {
-    visibility: visible;
-}
-
 .mx_EventTile_selected > div > a > .mx_MessageTimestamp {
     left: 3px;
     width: auto;
 }
 
-// Explicit relationships so that it doesn't apply to nested EventTile components (e.g in Replies)
-// The first set is to handle the 'group layout' (default) and the second for the IRC layout
-.mx_EventTile_last > div > a > .mx_MessageTimestamp,
-.mx_EventTile:hover > div > a > .mx_MessageTimestamp,
-.mx_EventTile.mx_EventTile_actionBarFocused > div > a > .mx_MessageTimestamp,
-.mx_EventTile.focus-visible:focus-within > div > a > .mx_MessageTimestamp,
-.mx_IRCLayout .mx_EventTile_last > a > .mx_MessageTimestamp,
-.mx_IRCLayout .mx_EventTile:hover > a > .mx_MessageTimestamp,
-.mx_IRCLayout .mx_ReplyThread .mx_EventTile > a > .mx_MessageTimestamp,
-.mx_IRCLayout .mx_EventTile.mx_EventTile_actionBarFocused > a > .mx_MessageTimestamp,
-.mx_IRCLayout .mx_EventTile.focus-visible:focus-within > a > .mx_MessageTimestamp {
-    visibility: visible;
-}
-
 .mx_EventTile:hover .mx_MessageActionBar,
 .mx_EventTile.mx_EventTile_actionBarFocused .mx_MessageActionBar,
 [data-whatinput='keyboard'] .mx_EventTile:focus-within .mx_MessageActionBar,

src/components/structures/MessagePanel.js

@@ -19,7 +19,6 @@ limitations under the License.
 import React, {createRef} from 'react';
 import ReactDOM from 'react-dom';
 import PropTypes from 'prop-types';
-import classNames from 'classnames';
 import shouldHideEvent from '../../shouldHideEvent';
 import {wantsDateSeparator} from '../../DateUtils';
 import * as sdk from '../../index';
@@ -854,13 +853,6 @@ export default class MessagePanel extends React.Component {
 
         const style = this.props.hidden ? { display: 'none' } : {};
 
-        const className = classNames(
-            this.props.className,
-            {
-                "mx_MessagePanel_alwaysShowTimestamps": this.props.alwaysShowTimestamps,
-            },
-        );
-
         let whoIsTyping;
         if (this.props.room && !this.props.tileShape && this.state.showTypingNotifications) {
             whoIsTyping = (<WhoIsTypingTile
@@ -884,7 +876,7 @@ export default class MessagePanel extends React.Component {
             <ErrorBoundary>
                 <ScrollPanel
                     ref={this._scrollPanel}
-                    className={className}
+                    className={this.props.className}
                     onScroll={this.props.onScroll}
                     onUserScroll={this.props.onUserScroll}
                     onResize={this.onResize}

src/components/views/dialogs/MessageEditHistoryDialog.js

@@ -159,7 +159,7 @@ export default class MessageEditHistoryDialog extends React.PureComponent {
                 stickyBottom={false}
                 startAtBottom={false}
             >
-                <ul className="mx_MessageEditHistoryDialog_edits mx_MessagePanel_alwaysShowTimestamps">{this._renderEdits()}</ul>
+                <ul className="mx_MessageEditHistoryDialog_edits">{this._renderEdits()}</ul>
             </ScrollPanel>);
         }
         const BaseDialog = sdk.getComponent('views.dialogs.BaseDialog');

src/components/views/elements/ReplyThread.js

@@ -46,6 +46,8 @@ export default class ReplyThread extends React.Component {
         permalinkCreator: PropTypes.instanceOf(RoomPermalinkCreator).isRequired,
         // Specifies which layout to use.
         layout: LayoutPropType,
+        // Whether to always show a timestamp
+        alwaysShowTimestamps: PropTypes.bool,
     };
 
     static contextType = MatrixClientContext;
@@ -212,7 +214,7 @@ export default class ReplyThread extends React.Component {
         };
     }
 
-    static makeThread(parentEv, onHeightChanged, permalinkCreator, ref, layout) {
+    static makeThread(parentEv, onHeightChanged, permalinkCreator, ref, layout, alwaysShowTimestamps) {
         if (!ReplyThread.getParentEventId(parentEv)) {
             return null;
         }
@@ -222,6 +224,7 @@ export default class ReplyThread extends React.Component {
             ref={ref}
             permalinkCreator={permalinkCreator}
             layout={layout}
+            alwaysShowTimestamps={alwaysShowTimestamps}
         />;
     }
 
@@ -386,6 +389,7 @@ export default class ReplyThread extends React.Component {
                     isRedacted={ev.isRedacted()}
                     isTwelveHour={SettingsStore.getValue("showTwelveHourTimestamps")}
                     layout={this.props.layout}
+                    alwaysShowTimestamps={this.props.alwaysShowTimestamps}
                     enableFlair={SettingsStore.getValue(UIFeature.Flair)}
                     replacingEventId={ev.replacingEventId()}
                 />

src/components/views/rooms/EventTile.tsx

@@ -975,7 +975,8 @@ export default class EventTile extends React.Component<IProps, IState> {
             onFocusChange={this.onActionBarFocusChange}
         /> : undefined;
 
-        const showTimestamp = this.props.mxEvent.getTs() && (this.props.alwaysShowTimestamps || this.state.hover);
+        const showTimestamp = this.props.mxEvent.getTs() &&
+            (this.props.alwaysShowTimestamps || this.props.last || this.state.hover || this.state.actionBarFocused);
         const timestamp = showTimestamp ?
             <MessageTimestamp showTwelveHour={this.props.isTwelveHour} ts={this.props.mxEvent.getTs()} /> : null;
 
@@ -1108,6 +1109,8 @@ export default class EventTile extends React.Component<IProps, IState> {
                         this.props.onHeightChanged,
                         this.props.permalinkCreator,
                         this.replyThread,
+                        null,
+                        this.props.alwaysShowTimestamps || this.state.hover,
                     );
                 }
                 return (
@@ -1139,6 +1142,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                     this.props.permalinkCreator,
                     this.replyThread,
                     this.props.layout,
+                    this.props.alwaysShowTimestamps || this.state.hover,
                 );
 
                 // tab-index=-1 to allow it to be focusable but do not add tab stop for it, primarily for screen readers

src/components/views/rooms/ReplyPreview.js

@@ -89,7 +89,7 @@ export default class ReplyPreview extends React.Component {
                 </div>
                 <div className="mx_ReplyPreview_clear" />
                 <EventTile
-                    last={true}
+                    alwaysShowTimestamps={true}
                     tileShape="reply_preview"
                     mxEvent={this.state.event}
                     permalinkCreator={this.props.permalinkCreator}

src/components/views/rooms/SearchResultTile.js

@@ -47,6 +47,7 @@ export default class SearchResultTile extends React.Component {
 
         const ts1 = mxEv.getTs();
         const ret = [<DateSeparator key={ts1 + "-search"} ts={ts1} />];
+        const alwaysShowTimestamps = SettingsStore.getValue("alwaysShowTimestamps");
 
         const timeline = result.context.getTimeline();
         for (let j = 0; j < timeline.length; j++) {
@@ -67,6 +68,7 @@ export default class SearchResultTile extends React.Component {
                         highlightLink={this.props.resultLink}
                         onHeightChanged={this.props.onHeightChanged}
                         isTwelveHour={SettingsStore.getValue("showTwelveHourTimestamps")}
+                        alwaysShowTimestamps={alwaysShowTimestamps}
                         enableFlair={SettingsStore.getValue(UIFeature.Flair)}
                     />
                 ));