1 files changed, 18 insertions, 3 deletions
diff --git a/lib/events/stateevent.h b/lib/events/stateevent.h
index b0aa9907..c37965aa 100644
--- a/lib/events/stateevent.h
+++ b/lib/events/stateevent.h
@@ -19,10 +19,9 @@ inline QJsonObject basicStateEventJson(const QString& matrixTypeId,
 
 class StateEventBase : public RoomEvent {
 public:
-    using factory_t = EventFactory<StateEventBase>;
+    static inline _impl::EventFactory<StateEventBase> factory { "StateEvent" };
 
-    StateEventBase(Type type, const QJsonObject& json) : RoomEvent(type, json)
-    {}
+    StateEventBase(Type type, const QJsonObject& json);
     StateEventBase(Type type, event_mtype_t matrixType,
                    const QString& stateKey = {},
                    const QJsonObject& contentJson = {});
@@ -37,6 +36,22 @@ public:
 using StateEventPtr = event_ptr_tt<StateEventBase>;
 using StateEvents = EventsArray<StateEventBase>;
 
+//! \brief Override RoomEvent factory with that from StateEventBase if JSON has
+//! stateKey
+//!
+//! This means in particular that an event with a type known to RoomEvent but
+//! having stateKey set (even to an empty value) will be treated as a state
+//! event and most likely end up as unknown (consider, e.g., m.room.message
+//! that has stateKey set).
+template <>
+inline RoomEventPtr doLoadEvent(const QJsonObject& json,
+                                const QString& matrixType)
+{
+    if (json.contains(StateKeyKeyL))
+        return StateEventBase::factory.loadEvent(json, matrixType);
+    return RoomEvent::factory.loadEvent(json, matrixType);
+}
+
 template <>
 inline bool is<StateEventBase>(const Event& e)
 {