Use compound tooltip in `ReactionRowButton`

src/components/views/messages/ReactionsRowButton.tsx

@@ -44,20 +44,10 @@ export interface IProps {
     customReactionImagesEnabled?: boolean;
 }
 
-interface IState {
-    tooltipRendered: boolean;
-    tooltipVisible: boolean;
-}
-
-export default class ReactionsRowButton extends React.PureComponent<IProps, IState> {
+export default class ReactionsRowButton extends React.PureComponent<IProps> {
     public static contextType = MatrixClientContext;
     public context!: React.ContextType<typeof MatrixClientContext>;
 
-    public state = {
-        tooltipRendered: false,
-        tooltipVisible: false,
-    };
-
     public onClick = (): void => {
         const { mxEvent, myReactionEvent, content } = this.props;
         if (myReactionEvent) {
@@ -74,21 +64,6 @@ export default class ReactionsRowButton extends React.PureComponent<IProps, ISta
         }
     };
 
-    public onMouseOver = (): void => {
-        this.setState({
-            // To avoid littering the DOM with a tooltip for every reaction,
-            // only render it on first use.
-            tooltipRendered: true,
-            tooltipVisible: true,
-        });
-    };
-
-    public onMouseLeave = (): void => {
-        this.setState({
-            tooltipVisible: false,
-        });
-    };
-
     public render(): React.ReactNode {
         const { mxEvent, content, count, reactionEvents, myReactionEvent } = this.props;
 
@@ -97,19 +72,6 @@ export default class ReactionsRowButton extends React.PureComponent<IProps, ISta
             mx_ReactionsRowButton_selected: !!myReactionEvent,
         });
 
-        let tooltip: JSX.Element | undefined;
-        if (this.state.tooltipRendered) {
-            tooltip = (
-                <ReactionsRowButtonTooltip
-                    mxEvent={this.props.mxEvent}
-                    content={content}
-                    reactionEvents={reactionEvents}
-                    visible={this.state.tooltipVisible}
-                    customReactionImagesEnabled={this.props.customReactionImagesEnabled}
-                />
-            );
-        }
-
         const room = this.context.getRoom(mxEvent.getRoomId());
         let label: string | undefined;
         let customReactionName: string | undefined;
@@ -156,20 +118,24 @@ export default class ReactionsRowButton extends React.PureComponent<IProps, ISta
         }
 
         return (
+            <ReactionsRowButtonTooltip
+                mxEvent={this.props.mxEvent}
+                content={content}
+                reactionEvents={reactionEvents}
+                customReactionImagesEnabled={this.props.customReactionImagesEnabled}
+            >
                 <AccessibleButton
                     className={classes}
                     aria-label={label}
                     onClick={this.onClick}
                     disabled={this.props.disabled}
-                onMouseOver={this.onMouseOver}
-                onMouseLeave={this.onMouseLeave}
                 >
                     {reactionContent}
                     <span className="mx_ReactionsRowButton_count" aria-hidden="true">
                         {count}
                     </span>
-                {tooltip}
                 </AccessibleButton>
+            </ReactionsRowButtonTooltip>
         );
     }
 }

src/components/views/messages/ReactionsRowButtonTooltip.tsx

@@ -14,13 +14,13 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-import React from "react";
+import React, { PropsWithChildren } from "react";
 import { MatrixEvent } from "matrix-js-sdk/src/matrix";
+import { Tooltip } from "@vector-im/compound-web";
 
 import { unicodeToShortcode } from "../../../HtmlUtils";
 import { _t } from "../../../languageHandler";
 import { formatList } from "../../../utils/FormattingUtils";
-import Tooltip from "../elements/Tooltip";
 import MatrixClientContext from "../../../contexts/MatrixClientContext";
 import { REACTION_SHORTCODE_KEY } from "./ReactionsRow";
 interface IProps {
@@ -30,20 +30,18 @@ interface IProps {
     content: string;
     // A list of Matrix reaction events for this key
     reactionEvents: MatrixEvent[];
-    visible: boolean;
     // Whether to render custom image reactions
     customReactionImagesEnabled?: boolean;
 }
 
-export default class ReactionsRowButtonTooltip extends React.PureComponent<IProps> {
+export default class ReactionsRowButtonTooltip extends React.PureComponent<PropsWithChildren<IProps>> {
     public static contextType = MatrixClientContext;
     public context!: React.ContextType<typeof MatrixClientContext>;
 
     public render(): React.ReactNode {
-        const { content, reactionEvents, mxEvent, visible } = this.props;
+        const { content, reactionEvents, mxEvent, children } = this.props;
 
         const room = this.context.getRoom(mxEvent.getRoomId());
-        let tooltipLabel: JSX.Element | undefined;
         if (room) {
             const senders: string[] = [];
             let customReactionName: string | undefined;
@@ -57,34 +55,16 @@ export default class ReactionsRowButtonTooltip extends React.PureComponent<IProp
                     undefined;
             }
             const shortName = unicodeToShortcode(content) || customReactionName;
-            tooltipLabel = (
-                <div>
-                    {_t(
-                        "timeline|reactions|tooltip",
-                        {
-                            shortName,
-                        },
-                        {
-                            reactors: () => {
-                                return <div className="mx_Tooltip_title">{formatList(senders, 6)}</div>;
-                            },
-                            reactedWith: (sub) => {
-                                if (!shortName) {
-                                    return null;
-                                }
-                                return <div className="mx_Tooltip_sub">{sub}</div>;
-                            },
-                        },
-                    )}
-                </div>
+            const formattedSenders = formatList(senders, 6);
+            const caption = shortName ? _t("timeline|reactions|tooltip_caption", { shortName }) : undefined;
+
+            return (
+                <Tooltip label={formattedSenders} caption={caption} placement="right">
+                    {children}
+                </Tooltip>
             );
         }
 
-        let tooltip: JSX.Element | undefined;
-        if (tooltipLabel) {
-            tooltip = <Tooltip visible={visible} label={tooltipLabel} />;
-        }
-
-        return tooltip;
+        return children;
     }
 }

src/i18n/strings/en_EN.json

@@ -3483,7 +3483,7 @@
             "add_reaction_prompt": "Add reaction",
             "custom_reaction_fallback_label": "Custom reaction",
             "label": "%(reactors)s reacted with %(content)s",
-            "tooltip": "<reactors/><reactedWith>reacted with %(shortName)s</reactedWith>"
+            "tooltip_caption": "reacted with %(shortName)s"
         },
         "read_receipt_title": {
             "one": "Seen by %(count)s person",

test/components/views/messages/__snapshots__/ReactionsRowButton-test.tsx.snap

@@ -46,7 +46,6 @@ exports[`ReactionsRowButton renders reaction row button custom image reactions c
     >
       2
     </span>
-    <div />
   </div>
 </DocumentFragment>
 `;
@@ -95,7 +94,6 @@ exports[`ReactionsRowButton renders reaction row button emojis correctly 2`] = `
     >
       2
     </span>
-    <div />
   </div>
 </DocumentFragment>
 `;