Merge branch 'dev' into add-international-date

src/app/components/editor/Elements.tsx

@@ -162,7 +162,7 @@ export function RenderElement({ attributes, element, children }: RenderElementPr
             visibility="Hover"
             hideTrack
           >
-            <div className={css.CodeBlockInternal}>{children}</div>
+            <div className={css.CodeBlockInternal()}>{children}</div>
           </Scroll>
         </Text>
       );

src/app/components/message/content/style.css.ts

@@ -16,6 +16,7 @@ export const AbsoluteContainer = style([
     position: 'absolute',
     top: 0,
     left: 0,
+    zIndex: 1,
     width: '100%',
     height: '100%',
   },

src/app/features/room/RoomTimeline.tsx

@@ -936,7 +936,7 @@ export function RoomTimeline({
   );
 
   const handleReplyClick: MouseEventHandler<HTMLButtonElement> = useCallback(
-    (evt) => {
+    (evt, startThread = false) => {
       const replyId = evt.currentTarget.getAttribute('data-event-id');
       if (!replyId) {
         console.warn('Button should have "data-event-id" attribute!');
@@ -947,7 +947,9 @@ export function RoomTimeline({
       const editedReply = getEditedEvent(replyId, replyEvt, room.getUnfilteredTimelineSet());
       const content: IContent = editedReply?.getContent()['m.new_content'] ?? replyEvt.getContent();
       const { body, formatted_body: formattedBody } = content;
-      const { 'm.relates_to': relation } = replyEvt.getWireContent();
+      const { 'm.relates_to': relation } = startThread
+        ? { 'm.relates_to': { rel_type: 'm.thread', event_id: replyId } }
+        : replyEvt.getWireContent();
       const senderId = replyEvt.getSender();
       if (senderId && typeof body === 'string') {
         setReplyDraft({

src/app/features/room/message/Message.tsx

@@ -669,7 +669,10 @@ export type MessageProps = {
   messageSpacing: MessageSpacing;
   onUserClick: MouseEventHandler<HTMLButtonElement>;
   onUsernameClick: MouseEventHandler<HTMLButtonElement>;
-  onReplyClick: MouseEventHandler<HTMLButtonElement>;
+  onReplyClick: (
+    ev: Parameters<MouseEventHandler<HTMLButtonElement>>[0],
+    startThread?: boolean
+  ) => void;
   onEditId?: (eventId?: string) => void;
   onReactionToggle: (targetEventId: string, key: string, shortcode?: string) => void;
   reply?: ReactNode;
@@ -868,6 +871,8 @@ export const Message = as<'div', MessageProps>(
       }, 100);
     };
 
+    const isThreadedMessage = mEvent.threadRootId !== undefined;
+
     return (
       <MessageBase
         className={classNames(css.MessageBase, className)}
@@ -930,6 +935,17 @@ export const Message = as<'div', MessageProps>(
                 >
                   <Icon src={Icons.ReplyArrow} size="100" />
                 </IconButton>
+                {!isThreadedMessage && (
+                  <IconButton
+                    onClick={(ev) => onReplyClick(ev, true)}
+                    data-event-id={mEvent.getId()}
+                    variant="SurfaceVariant"
+                    size="300"
+                    radii="300"
+                  >
+                    <Icon src={Icons.ThreadPlus} size="100" />
+                  </IconButton>
+                )}
                 {canEditEvent(mx, mEvent) && onEditId && (
                   <IconButton
                     onClick={() => onEditId(mEvent.getId())}
@@ -1009,6 +1025,27 @@ export const Message = as<'div', MessageProps>(
                               Reply
                             </Text>
                           </MenuItem>
+                          {!isThreadedMessage && (
+                            <MenuItem
+                              size="300"
+                              after={<Icon src={Icons.ThreadPlus} size="100" />}
+                              radii="300"
+                              data-event-id={mEvent.getId()}
+                              onClick={(evt: any) => {
+                                onReplyClick(evt, true);
+                                closeMenu();
+                              }}
+                            >
+                              <Text
+                                className={css.MessageMenuItemText}
+                                as="span"
+                                size="T300"
+                                truncate
+                              >
+                                Reply in Thread
+                              </Text>
+                            </MenuItem>
+                          )}
                           {canEditEvent(mx, mEvent) && onEditId && (
                             <MenuItem
                               size="300"

src/app/hooks/useTimeoutToggle.ts

@@ -0,0 +1,37 @@
+import { useCallback, useEffect, useRef, useState } from 'react';
+
+/**
+ * Temporarily sets a boolean state.
+ *
+ * @param duration - Duration in milliseconds before resetting (default: 1500)
+ * @param initial - Initial value (default: false)
+ */
+export function useTimeoutToggle(duration = 1500, initial = false): [boolean, () => void] {
+  const [active, setActive] = useState(initial);
+  const timeoutRef = useRef<number | null>(null);
+
+  const clear = () => {
+    if (timeoutRef.current !== null) {
+      clearTimeout(timeoutRef.current);
+      timeoutRef.current = null;
+    }
+  };
+
+  const trigger = useCallback(() => {
+    setActive(!initial);
+    clear();
+    timeoutRef.current = window.setTimeout(() => {
+      setActive(initial);
+      timeoutRef.current = null;
+    }, duration);
+  }, [duration, initial]);
+
+  useEffect(
+    () => () => {
+      clear();
+    },
+    []
+  );
+
+  return [active, trigger];
+}

src/app/plugins/react-custom-html-parser.tsx

@@ -1,5 +1,13 @@
 /* eslint-disable jsx-a11y/alt-text */
-import React, { ComponentPropsWithoutRef, ReactEventHandler, Suspense, lazy } from 'react';
+import React, {
+  ComponentPropsWithoutRef,
+  ReactEventHandler,
+  Suspense,
+  lazy,
+  useCallback,
+  useMemo,
+  useState,
+} from 'react';
 import {
   Element,
   Text as DOMText,
@@ -9,10 +17,11 @@ import {
 } from 'html-react-parser';
 import { MatrixClient } from 'matrix-js-sdk';
 import classNames from 'classnames';
-import { Scroll, Text } from 'folds';
+import { Icon, IconButton, Icons, Scroll, Text } from 'folds';
 import { IntermediateRepresentation, Opts as LinkifyOpts, OptFn } from 'linkifyjs';
 import Linkify from 'linkify-react';
 import { ErrorBoundary } from 'react-error-boundary';
+import { ChildNode } from 'domhandler';
 import * as css from '../styles/CustomHtml.css';
 import {
   getMxIdLocalPart,
@@ -31,7 +40,8 @@ import {
   testMatrixTo,
 } from './matrix-to';
 import { onEnterOrSpace } from '../utils/keyboard';
-import { tryDecodeURIComponent } from '../utils/dom';
+import { copyToClipboard, tryDecodeURIComponent } from '../utils/dom';
+import { useTimeoutToggle } from '../hooks/useTimeoutToggle';
 
 const ReactPrism = lazy(() => import('./react-prism/ReactPrism'));
 
@@ -195,6 +205,82 @@ export const highlightText = (
     );
   });
 
+export function CodeBlock(children: ChildNode[], opts: HTMLReactParserOptions) {
+  const LINE_LIMIT = 14;
+
+  /**
+   * Recursively extracts and concatenates all text content from an array of ChildNode objects.
+   *
+   * @param {ChildNode[]} nodes - An array of ChildNode objects to extract text from.
+   * @returns {string} The concatenated plain text content of all descendant text nodes.
+   */
+  const extractTextFromChildren = useCallback((nodes: ChildNode[]): string => {
+    let text = '';
+
+    nodes.forEach((node) => {
+      if (node.type === 'text') {
+        text += node.data;
+      } else if (node instanceof Element && node.children) {
+        text += extractTextFromChildren(node.children);
+      }
+    });
+
+    return text;
+  }, []);
+
+  const [copied, setCopied] = useTimeoutToggle();
+  const collapsible = useMemo(
+    () => extractTextFromChildren(children).split('\n').length > LINE_LIMIT,
+    [children, extractTextFromChildren]
+  );
+  const [collapsed, setCollapsed] = useState(collapsible);
+
+  const handleCopy = useCallback(() => {
+    copyToClipboard(extractTextFromChildren(children));
+    setCopied();
+  }, [children, extractTextFromChildren, setCopied]);
+
+  const toggleCollapse = useCallback(() => {
+    setCollapsed((prev) => !prev);
+  }, []);
+
+  return (
+    <>
+      <div className={css.CodeBlockControls}>
+        <IconButton
+          variant="Secondary" // Needs a better copy icon
+          size="300"
+          radii="300"
+          onClick={handleCopy}
+          aria-label="Copy Code Block"
+        >
+          <Icon src={copied ? Icons.Check : Icons.File} size="50" />
+        </IconButton>
+        {collapsible && (
+          <IconButton
+            variant="Secondary"
+            size="300"
+            radii="300"
+            onClick={toggleCollapse}
+            aria-expanded={!collapsed}
+            aria-pressed={!collapsed}
+            aria-controls="code-block-content"
+            aria-label={collapsed ? 'Show Full Code Block' : 'Show Code Block Preview'}
+            style={collapsed ? { visibility: 'visible' } : {}}
+          >
+            <Icon src={collapsed ? Icons.ChevronBottom : Icons.ChevronTop} size="50" />
+          </IconButton>
+        )}
+      </div>
+      <Scroll direction="Both" variant="Secondary" size="300" visibility="Hover" hideTrack>
+        <div id="code-block-content" className={css.CodeBlockInternal({ collapsed })}>
+          {domToReact(children, opts)}
+        </div>
+      </Scroll>
+    </>
+  );
+}
+
 export const getReactCustomHtmlParser = (
   mx: MatrixClient,
   roomId: string | undefined,
@@ -271,15 +357,7 @@ export const getReactCustomHtmlParser = (
         if (name === 'pre') {
           return (
             <Text {...props} as="pre" className={css.CodeBlock}>
-              <Scroll
-                direction="Horizontal"
-                variant="Secondary"
-                size="300"
-                visibility="Hover"
-                hideTrack
-              >
-                <div className={css.CodeBlockInternal}>{domToReact(children, opts)}</div>
-              </Scroll>
+              {CodeBlock(children, opts)}
             </Text>
           );
         }

src/app/styles/CustomHtml.css.ts

@@ -85,10 +85,35 @@ export const CodeBlock = style([
   MarginSpaced,
   {
     fontStyle: 'normal',
+    position: 'relative',
   },
 ]);
-export const CodeBlockInternal = style({
-  padding: `${config.space.S200} ${config.space.S200} 0`,
+export const CodeBlockInternal = recipe({
+  base: {
+    padding: `${config.space.S200} ${config.space.S200} 0`,
+    minWidth: toRem(100),
+  },
+  variants: {
+    collapsed: {
+      true: {
+        maxHeight: `calc(${config.lineHeight.T400} * 9.6)`,
+      },
+    },
+  },
+});
+export const CodeBlockControls = style({
+  position: 'absolute',
+  top: config.space.S200,
+  right: config.space.S200,
+  visibility: 'hidden',
+  selectors: {
+    [`${CodeBlock}:hover &`]: {
+      visibility: 'visible',
+    },
+    [`${CodeBlock}:focus-within &`]: {
+      visibility: 'visible',
+    },
+  },
 });
 
 export const List = style([

src/app/utils/room.ts

@@ -294,9 +294,14 @@ export const getDirectRoomAvatarUrl = (
   useAuthentication = false
 ): string | undefined => {
   const mxcUrl = room.getAvatarFallbackMember()?.getMxcAvatarUrl();
-  return mxcUrl
-    ? mx.mxcUrlToHttp(mxcUrl, size, size, 'crop', undefined, false, useAuthentication) ?? undefined
-    : undefined;
+
+  if (!mxcUrl) {
+    return getRoomAvatarUrl(mx, room, size, useAuthentication);
+  }
+
+  return (
+    mx.mxcUrlToHttp(mxcUrl, size, size, 'crop', undefined, false, useAuthentication) ?? undefined
+  );
 };
 
 export const trimReplyFromBody = (body: string): string => {