feat(core): Add encryption info to MessageEvent

packages/moxxmpp/lib/src/events.dart

@@ -71,9 +71,11 @@ class MessageEvent extends XmppEvent {
     this.from,
     this.to,
     this.id,
+    this.encrypted,
     this.extensions, {
     this.type,
     this.error,
+    this.encryptionError,
   });
 
   /// The from attribute of the message.
@@ -90,6 +92,12 @@ class MessageEvent extends XmppEvent {
 
   final StanzaError? error;
 
+  /// Flag indicating whether the message was encrypted.
+  final bool encrypted;
+
+  /// The error in case an encryption error occurred.
+  final Object? encryptionError;
+
   /// Data added by other handlers.
   final TypedMap<StanzaHandlerExtension> extensions;
 

packages/moxxmpp/lib/src/message.dart

@@ -81,9 +81,11 @@ class MessageManager extends XmppManagerBase {
         JID.fromString(state.stanza.attributes['from']! as String),
         JID.fromString(state.stanza.attributes['to']! as String),
         state.stanza.attributes['id']! as String,
+        state.encrypted,
         state.extensions,
         type: state.stanza.attributes['type'] as String?,
         error: StanzaError.fromStanza(state.stanza),
+        encryptionError: state.encryptionError,
       ),
     );