Show custom delegate for in-room user verification

This is independent of the in-room verification actually working, but prevents a fallback from appearing

src/enums/messagecomponenttype.h

@@ -51,6 +51,7 @@ public:
         LinkPreview, /**< A preview of a URL in the message. */
         LinkPreviewLoad, /**< A loading dialog for a link preview. */
         Edit, /**< A text edit for editing a message. */
+        Verification, /**< A user verification session start message. */
         Other, /**< Anything that cannot be classified as another type. */
     };
     Q_ENUM(Type);

src/models/messagecontentmodel.cpp

@@ -244,6 +244,10 @@ void MessageContentModel::updateComponents(bool isEditing)
     beginResetModel();
     m_components.clear();
 
+    if (eventCast<const Quotient::RoomMessageEvent>(m_event)
+        && eventCast<const Quotient::RoomMessageEvent>(m_event)->rawMsgtype() == QStringLiteral("m.key.verification.request")) {
+        m_components += MessageComponent{MessageComponentType::Verification, QString(), {}};
+    } else {
         EventHandler eventHandler(m_room, m_event);
         if (eventHandler.hasReply()) {
             if (m_room->findInTimeline(eventHandler.getReplyId()) == m_room->historyEdge()) {
@@ -310,6 +314,7 @@ void MessageContentModel::updateComponents(bool isEditing)
                 m_components += MessageComponent{MessageComponentType::LinkPreviewLoad, QString(), {}};
             }
         }
+    }
 
     endResetModel();
 }

src/timeline/MessageComponentChooser.qml

@@ -213,6 +213,14 @@ DelegateChooser {
         }
     }
 
+    DelegateChoice {
+        roleValue: MessageComponentType.Verification
+        delegate: MimeComponent {
+            mimeIconSource: "security-high"
+            label: i18n("%1 started a user verification", model.author.escapedDisplayName)
+        }
+    }
+
     DelegateChoice {
         roleValue: MessageComponentType.Other
         delegate: Item {}