A11Y: fix and improve user card accessibility (#29399)

app/assets/javascripts/discourse/app/components/card-contents-base.js

@@ -193,7 +193,7 @@ export default class CardContentsBase extends Component {
     return this._show(target.innerText.replace(/^@/, ""), target, event);
   }
 
-  _positionCard(target, event) {
+  _positionCard(target) {
     schedule("afterRender", async () => {
       if (this.site.desktopView) {
         this._menuInstance = await this.menu.show(target, {
@@ -228,11 +228,10 @@ export default class CardContentsBase extends Component {
       // note: we DO NOT use afterRender here cause _positionCard may
       // run afterwards, if we allowed this to happen the usercard
       // may be offscreen and we may scroll all the way to it on focus
-      if (event?.pointerId === -1) {
+
-        discourseLater(() => {
+      discourseLater(() => {
-          this.element.querySelector("a")?.focus();
+        this.element.querySelector("a.user-profile-link")?.focus();
-        }, 350);
+      }, 350);
-      }
     });
   }
 

app/assets/javascripts/discourse/app/components/user-card-contents.hbs

@@ -27,7 +27,7 @@
       </div>
     {{else}}
       <div class="card-row first-row">
-        <div class="user-card-avatar">
+        <div class="user-card-avatar" aria-hidden="true">
           {{#if this.contentHidden}}
             <span class="card-huge-avatar">{{bound-avatar
                 this.user
@@ -38,6 +38,7 @@
               {{on "click" this.handleShowUser}}
               href={{this.user.path}}
               class="card-huge-avatar"
+              tabindex="-1"
             >{{bound-avatar this.user "huge"}}</a>
           {{/if}}
 
@@ -59,10 +60,7 @@
               {{if this.nameFirst 'full-name' 'username'}}"
           >
             {{#if this.contentHidden}}
-              <span
+              <span class="name-username-wrapper">
-                id="discourse-user-card-title"
-                class="name-username-wrapper"
-              >
                 {{if
                   this.nameFirst
                   this.user.name
@@ -74,11 +72,12 @@
                 {{on "click" this.handleShowUser}}
                 href={{this.user.path}}
                 class="user-profile-link"
+                aria-label={{i18n
+                  "user.profile_link"
+                  username=this.user.username
+                }}
               >
-                <span
+                <span class="name-username-wrapper">
-                  id="discourse-user-card-title"
-                  class="name-username-wrapper"
-                >
                   {{if
                     this.nameFirst
                     this.user.name
@@ -185,13 +184,13 @@
       {{#if this.user.profile_hidden}}
         <div class="card-row second-row">
           <div class="profile-hidden">
-            <span>{{i18n "user.profile_hidden"}}</span>
+            <span role="alert">{{i18n "user.profile_hidden"}}</span>
           </div>
         </div>
       {{else if this.user.inactive}}
         <div class="card-row second-row">
           <div class="inactive-user">
-            <span>{{i18n "user.inactive_user"}}</span>
+            <span role="alert">{{i18n "user.inactive_user"}}</span>
           </div>
         </div>
       {{/if}}

app/assets/javascripts/discourse/app/components/user-card-contents.js

@@ -31,7 +31,7 @@ import I18n from "discourse-i18n";
   "usernameClass",
   "primaryGroup"
 )
-@attributeBindings("labelledBy:aria-labelledby")
+@attributeBindings("ariaLabel:aria-label")
 export default class UserCardContents extends CardContentsBase.extend(
   CanCheckEmails,
   CleansUp
@@ -40,6 +40,7 @@ export default class UserCardContents extends CardContentsBase.extend(
   avatarSelector = "[data-user-card]";
   avatarDataAttrKey = "userCard";
   mentionSelector = "a.mention";
+  ariaLabel = I18n.t("user.card");
 
   @setting("allow_profile_backgrounds") allowBackgrounds;
   @setting("enable_badges") showBadges;
@@ -75,11 +76,6 @@ export default class UserCardContents extends CardContentsBase.extend(
     return this.user.name !== this.user.username;
   }
 
-  @discourseComputed("user")
-  labelledBy(user) {
-    return user ? "discourse-user-card-title" : null;
-  }
-
   @discourseComputed("user")
   hasLocaleOrWebsite(user) {
     return user.location || user.website_name || this.userTimezone;

app/assets/javascripts/discourse/app/modifiers/trap-tab.js

@@ -3,7 +3,7 @@ import Modifier from "ember-modifier";
 import { bind } from "discourse-common/utils/decorators";
 
 const FOCUSABLE_ELEMENTS =
-  'details:not(.is-disabled) summary, [autofocus], a, input, select, textarea, summary, [tabindex]:not([tabindex="-1"])';
+  "details:not(.is-disabled) summary, [autofocus], a, input, select, textarea, summary";
 
 export default class TrapTabModifier extends Modifier {
   element = null;
@@ -50,10 +50,17 @@ export default class TrapTabModifier extends Modifier {
     }
 
     const focusableElements = FOCUSABLE_ELEMENTS + ", button:enabled";
-    const firstFocusableElement = this.element.querySelector(focusableElements);
-    const focusableContent = this.element.querySelectorAll(focusableElements);
 
-    const lastFocusableElement = focusableContent[focusableContent.length - 1];
+    const filteredFocusableElements = Array.from(
+      this.element.querySelectorAll(focusableElements)
+    ).filter((element) => {
+      const tabindex = element.getAttribute("tabindex");
+      return tabindex !== "-1";
+    });
+
+    const firstFocusableElement = filteredFocusableElements[0];
+    const lastFocusableElement =
+      filteredFocusableElements[filteredFocusableElements.length - 1];
 
     if (event.shiftKey) {
       if (document.activeElement === firstFocusableElement) {
@@ -63,7 +70,6 @@ export default class TrapTabModifier extends Modifier {
     } else {
       if (document.activeElement === lastFocusableElement) {
         event.preventDefault();
-
         (
           this.element.querySelector(".modal-close") || firstFocusableElement
         )?.focus({ preventScroll: this.preventScroll });

config/locales/client.en.yml

@@ -2132,6 +2132,9 @@ en:
         private_message: "message"
         the_topic: "the topic"
 
+      card: "User card"
+      profile_link: "%{username}, visit profile"
+
     user_status:
       save: "Save"
       set_custom_status: "Set custom status"