Allow quote-reply in thread view element-web (#6959)

src/components/structures/RoomView.tsx

@@ -779,7 +779,10 @@ export class RoomView extends React.Component<IRoomProps, IRoomState> {
                 });
                 break;
             case 'reply_to_event':
-                if (this.state.searchResults && payload.event.getRoomId() === this.state.roomId && !this.unmounted) {
+                if (this.state.searchResults
+                        && payload.event.getRoomId() === this.state.roomId
+                        && !this.unmounted
+                        && payload.context === TimelineRenderingType.Room) {
                     this.onCancelSearchClick();
                 }
                 break;

src/components/structures/ThreadPanel.tsx

@@ -15,7 +15,6 @@ limitations under the License.
 */
 
 import React, { useContext, useEffect, useMemo, useRef, useState } from 'react';
-import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
 import { Thread, ThreadEvent } from 'matrix-js-sdk/src/models/thread';
 import { EventTimelineSet } from 'matrix-js-sdk/src/models/event-timeline-set';
 import { Room } from 'matrix-js-sdk/src/models/room';
@@ -24,7 +23,6 @@ import BaseCard from "../views/right_panel/BaseCard";
 import { RightPanelPhases } from "../../stores/RightPanelStorePhases";
 
 import ResizeNotifier from '../../utils/ResizeNotifier';
-import EventTile, { TileShape } from '../views/rooms/EventTile';
 import MatrixClientContext from '../../contexts/MatrixClientContext';
 import { _t } from '../../languageHandler';
 import { ContextMenuButton } from '../../accessibility/context_menu/ContextMenuButton';
@@ -34,25 +32,14 @@ import TimelinePanel from './TimelinePanel';
 import { Layout } from '../../settings/Layout';
 import { useEventEmitter } from '../../hooks/useEventEmitter';
 import AccessibleButton from '../views/elements/AccessibleButton';
+import { TileShape } from '../views/rooms/EventTile';
 
 interface IProps {
     roomId: string;
     onClose: () => void;
     resizeNotifier: ResizeNotifier;
 }
 
-export const ThreadPanelItem: React.FC<{ event: MatrixEvent }> = ({ event }) => {
-    return <EventTile
-        key={event.getId()}
-        mxEvent={event}
-        enableFlair={false}
-        showReadReceipts={false}
-        as="div"
-        tileShape={TileShape.Thread}
-        alwaysShowTimestamps={true}
-    />;
-};
-
 export enum ThreadFilterType {
     "My",
     "All"
@@ -230,7 +217,7 @@ const ThreadPanel: React.FC<IProps> = ({ roomId, onClose }) => {
                     showReactions={true}
                     className="mx_RoomView_messagePanel mx_GroupLayout"
                     membersLoaded={true}
-                    tileShape={TileShape.ThreadPanel}
+                    tileShape={TileShape.Thread}
                 />
             </BaseCard>
         </RoomContext.Provider>

src/components/structures/ThreadView.tsx

@@ -50,6 +50,7 @@ interface IProps {
 interface IState {
     thread?: Thread;
     editState?: EditorStateTransfer;
+    replyToEvent?: MatrixEvent;
 }
 
 @replaceableComponent("structures.ThreadView")
@@ -114,6 +115,13 @@ export default class ThreadView extends React.Component<IProps, IState> {
                 });
                 break;
             }
+            case 'reply_to_event':
+                if (payload.context === TimelineRenderingType.Thread) {
+                    this.setState({
+                        replyToEvent: payload.event,
+                    });
+                }
+                break;
             default:
                 break;
         }
@@ -199,7 +207,7 @@ export default class ThreadView extends React.Component<IProps, IState> {
                             rel_type: RelationType.Thread,
                             event_id: this.state.thread.id,
                         }}
-                        showReplyPreview={false}
+                        replyToEvent={this.state.replyToEvent}
                         permalinkCreator={this.props.permalinkCreator}
                         e2eStatus={this.props.e2eStatus}
                         compact={true}

src/components/views/messages/MessageActionBar.tsx

@@ -63,15 +63,15 @@ const OptionsButton: React.FC<IOptionsButtonProps> =
         let contextMenu;
         if (menuDisplayed) {
             const tile = getTile && getTile();
-            const replyThread = getReplyChain && getReplyChain();
+            const replyChain = getReplyChain && getReplyChain();
 
             const buttonRect = button.current.getBoundingClientRect();
             contextMenu = <MessageContextMenu
                 {...aboveLeftOf(buttonRect)}
                 mxEvent={mxEvent}
                 permalinkCreator={permalinkCreator}
                 eventTileOps={tile && tile.getEventTileOps ? tile.getEventTileOps() : undefined}
-                collapseReplyChain={replyThread && replyThread.canCollapse() ? replyThread.collapse : undefined}
+                collapseReplyChain={replyChain && replyChain.canCollapse() ? replyChain.collapse : undefined}
                 onFinished={closeMenu}
             />;
         }
@@ -191,6 +191,7 @@ export default class MessageActionBar extends React.PureComponent<IMessageAction
         dis.dispatch({
             action: 'reply_to_event',
             event: this.props.mxEvent,
+            context: this.context.timelineRenderingType,
         });
     };
 
@@ -289,15 +290,16 @@ export default class MessageActionBar extends React.PureComponent<IMessageAction
                 // Like the resend button, the react and reply buttons need to appear before the edit.
                 // The only catch is we do the reply button first so that we can make sure the react
                 // button is the very first button without having to do length checks for `splice()`.
-                if (this.context.canReply && this.context.timelineRenderingType !== TimelineRenderingType.Thread) {
+                if (this.context.canReply) {
                     toolbarOpts.splice(0, 0, <>
                         <RovingAccessibleTooltipButton
                             className="mx_MessageActionBar_maskButton mx_MessageActionBar_replyButton"
                             title={_t("Reply")}
                             onClick={this.onReplyClick}
                             key="reply"
                         />
-                        { SettingsStore.getValue("feature_thread") && (
+                        { (SettingsStore.getValue("feature_thread")
+                            && this.context.timelineRenderingType !== TimelineRenderingType.Thread) && (
                             <RovingAccessibleTooltipButton
                                 className="mx_MessageActionBar_maskButton mx_MessageActionBar_threadButton"
                                 title={_t("Thread")}

src/components/views/rooms/EventTile.tsx

@@ -339,7 +339,7 @@ export default class EventTile extends React.Component<IProps, IState> {
     private isListeningForReceipts: boolean;
     // TODO: Types
     private tile = React.createRef<unknown>();
-    private replyThread = React.createRef<ReplyChain>();
+    private replyChain = React.createRef<ReplyChain>();
 
     public readonly ref = createRef<HTMLElement>();
 
@@ -933,7 +933,7 @@ export default class EventTile extends React.Component<IProps, IState> {
     // TODO: Types
     getTile: () => any | null = () => this.tile.current;
 
-    getReplyChain = () => this.replyThread.current;
+    getReplyChain = () => this.replyChain.current;
 
     getReactions = () => {
         if (
@@ -1214,12 +1214,26 @@ export default class EventTile extends React.Component<IProps, IState> {
                 ]);
             }
             case TileShape.Thread: {
+                const thread = haveTileForEvent(this.props.mxEvent) &&
+                    ReplyChain.hasReply(this.props.mxEvent) ? (
+                        <ReplyChain
+                            parentEv={this.props.mxEvent}
+                            onHeightChanged={this.props.onHeightChanged}
+                            ref={this.replyChain}
+                            forExport={this.props.forExport}
+                            permalinkCreator={this.props.permalinkCreator}
+                            layout={this.props.layout}
+                            alwaysShowTimestamps={this.props.alwaysShowTimestamps || this.state.hover}
+                            isQuoteExpanded={isQuoteExpanded}
+                            setQuoteExpanded={this.setQuoteExpanded}
+                        />) : null;
                 const room = this.context.getRoom(this.props.mxEvent.getRoomId());
                 return React.createElement(this.props.as || "li", {
                     "className": classes,
                     "aria-live": ariaLive,
                     "aria-atomic": true,
                     "data-scroll-tokens": scrollToken,
+                    "data-has-reply": !!thread,
                 }, [
                     <div className="mx_EventTile_roomName" key="mx_EventTile_roomName">
                         <RoomAvatar room={room} width={28} height={28} />
@@ -1235,6 +1249,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                         </a>
                     </div>,
                     <div className="mx_EventTile_line" key="mx_EventTile_line">
+                        { thread }
                         <EventTileType ref={this.tile}
                             mxEvent={this.props.mxEvent}
                             highlights={this.props.highlights}
@@ -1287,7 +1302,7 @@ export default class EventTile extends React.Component<IProps, IState> {
                         <ReplyChain
                             parentEv={this.props.mxEvent}
                             onHeightChanged={this.props.onHeightChanged}
-                            ref={this.replyThread}
+                            ref={this.replyChain}
                             forExport={this.props.forExport}
                             permalinkCreator={this.props.permalinkCreator}
                             layout={this.props.layout}

src/components/views/rooms/MessageComposer.tsx

@@ -55,6 +55,7 @@ import UIStore, { UI_EVENTS } from '../../../stores/UIStore';
 import Modal from "../../../Modal";
 import InfoDialog from "../dialogs/InfoDialog";
 import { RelationType } from 'matrix-js-sdk/src/@types/event';
+import RoomContext from '../../../contexts/RoomContext';
 
 let instanceCount = 0;
 const NARROW_MODE_BREAKPOINT = 500;
@@ -227,7 +228,6 @@ interface IProps {
     permalinkCreator: RoomPermalinkCreator;
     replyToEvent?: MatrixEvent;
     relation?: IEventRelation;
-    showReplyPreview?: boolean;
     e2eStatus?: E2EStatus;
     compact?: boolean;
 }
@@ -252,8 +252,9 @@ export default class MessageComposer extends React.Component<IProps, IState> {
     private ref: React.RefObject<HTMLDivElement> = createRef();
     private instanceId: number;
 
+    public static contextType = RoomContext;
+
     static defaultProps = {
-        showReplyPreview: true,
         compact: false,
     };
 
@@ -294,7 +295,7 @@ export default class MessageComposer extends React.Component<IProps, IState> {
     };
 
     private onAction = (payload: ActionPayload) => {
-        if (payload.action === 'reply_to_event') {
+        if (payload.action === 'reply_to_event' && payload.context === this.context.timelineRenderingType) {
             // add a timeout for the reply preview to be rendered, so
             // that the ScrollPanel listening to the resizeNotifier can
             // correctly measure it's new height and scroll down to keep
@@ -633,9 +634,9 @@ export default class MessageComposer extends React.Component<IProps, IState> {
             <div className={classes} ref={this.ref}>
                 { recordingTooltip }
                 <div className="mx_MessageComposer_wrapper">
-                    { this.props.showReplyPreview && (
-                        <ReplyPreview permalinkCreator={this.props.permalinkCreator} />
-                    ) }
+                    <ReplyPreview
+                        replyToEvent={this.props.replyToEvent}
+                        permalinkCreator={this.props.permalinkCreator} />
                     <div className="mx_MessageComposer_row">
                         { controls }
                         { this.renderButtons(menuPosition) }

src/components/views/rooms/ReplyPreview.tsx

@@ -17,63 +17,31 @@ limitations under the License.
 import React from 'react';
 import dis from '../../../dispatcher/dispatcher';
 import { _t } from '../../../languageHandler';
-import RoomViewStore from '../../../stores/RoomViewStore';
 import { RoomPermalinkCreator } from "../../../utils/permalinks/Permalinks";
 import { replaceableComponent } from "../../../utils/replaceableComponent";
 import ReplyTile from './ReplyTile';
 import { MatrixEvent } from 'matrix-js-sdk/src/models/event';
-import { EventSubscription } from 'fbemitter';
+import RoomContext, { TimelineRenderingType } from '../../../contexts/RoomContext';
 
-function cancelQuoting() {
+function cancelQuoting(context: TimelineRenderingType) {
     dis.dispatch({
         action: 'reply_to_event',
         event: null,
+        context,
     });
 }
 
 interface IProps {
     permalinkCreator: RoomPermalinkCreator;
-}
-
-interface IState {
-    event: MatrixEvent;
+    replyToEvent: MatrixEvent;
 }
 
 @replaceableComponent("views.rooms.ReplyPreview")
-export default class ReplyPreview extends React.Component<IProps, IState> {
-    private unmounted = false;
-    private readonly roomStoreToken: EventSubscription;
-
-    constructor(props) {
-        super(props);
-
-        this.state = {
-            event: RoomViewStore.getQuotingEvent(),
-        };
-
-        this.roomStoreToken = RoomViewStore.addListener(this.onRoomViewStoreUpdate);
-    }
-
-    componentWillUnmount() {
-        this.unmounted = true;
-
-        // Remove RoomStore listener
-        if (this.roomStoreToken) {
-            this.roomStoreToken.remove();
-        }
-    }
-
-    private onRoomViewStoreUpdate = (): void => {
-        if (this.unmounted) return;
-
-        const event = RoomViewStore.getQuotingEvent();
-        if (this.state.event !== event) {
-            this.setState({ event });
-        }
-    };
+export default class ReplyPreview extends React.Component<IProps> {
+    public static contextType = RoomContext;
 
-    render() {
-        if (!this.state.event) return null;
+    public render(): JSX.Element {
+        if (!this.props.replyToEvent) return null;
 
         return <div className="mx_ReplyPreview">
             <div className="mx_ReplyPreview_section">
@@ -86,13 +54,13 @@ export default class ReplyPreview extends React.Component<IProps, IState> {
                         src={require("../../../../res/img/cancel.svg")}
                         width="18"
                         height="18"
-                        onClick={cancelQuoting}
+                        onClick={() => cancelQuoting(this.context.timelineRenderingType)}
                     />
                 </div>
                 <div className="mx_ReplyPreview_clear" />
                 <div className="mx_ReplyPreview_tile">
                     <ReplyTile
-                        mxEvent={this.state.event}
+                        mxEvent={this.props.replyToEvent}
                         permalinkCreator={this.props.permalinkCreator}
                     />
                 </div>

src/components/views/rooms/SendMessageComposer.tsx

@@ -238,6 +238,7 @@ export class SendMessageComposer extends React.Component<ISendMessageComposerPro
                 dis.dispatch({
                     action: 'reply_to_event',
                     event: null,
+                    context: this.context.timelineRenderingType,
                 });
                 break;
             default:
@@ -269,6 +270,7 @@ export class SendMessageComposer extends React.Component<ISendMessageComposerPro
         dis.dispatch({
             action: 'reply_to_event',
             event: replyEventId ? this.props.room.findEventById(replyEventId) : null,
+            context: this.context.timelineRenderingType,
         });
         if (parts) {
             this.model.reset(parts);
@@ -479,6 +481,7 @@ export class SendMessageComposer extends React.Component<ISendMessageComposerPro
                 dis.dispatch({
                     action: 'reply_to_event',
                     event: null,
+                    context: this.context.timelineRenderingType,
                 });
             }
             dis.dispatch({ action: "message_sent" });
@@ -552,6 +555,7 @@ export class SendMessageComposer extends React.Component<ISendMessageComposerPro
                     dis.dispatch({
                         action: 'reply_to_event',
                         event: this.props.room.findEventById(replyEventId),
+                        context: this.context.timelineRenderingType,
                     });
                 }
                 return parts;
@@ -583,7 +587,9 @@ export class SendMessageComposer extends React.Component<ISendMessageComposerPro
         switch (payload.action) {
             case 'reply_to_event':
             case Action.FocusSendMessageComposer:
-                this.editorRef.current?.focus();
+                if (payload.context === this.context.timelineRenderingType) {
+                    this.editorRef.current?.focus();
+                }
                 break;
             case "send_composer_insert":
                 if (payload.userId) {

src/contexts/RoomContext.ts

@@ -20,11 +20,11 @@ import { IRoomState } from "../components/structures/RoomView";
 import { Layout } from "../settings/Layout";
 
 export enum TimelineRenderingType {
-    Room,
-    Thread,
-    ThreadsList,
-    File,
-    Notification,
+    Room = "Room",
+    Thread = "Thread",
+    ThreadsList = "ThreadsList",
+    File = "File",
+    Notification = "Notification",
 }
 
 const RoomContext = createContext<IRoomState>({