chore: make autoRequestProfileForMissingUsers and getDisplayNameAndAvatarFromPrevContent configurable

lib/src/client.dart

@@ -128,6 +128,9 @@ class Client extends MatrixApi {
 
   final Duration sendTimelineEventTimeout;
 
+  final bool autoRequestProfileForMissingUsers;
+  final bool getDisplayNameAndAvatarFromPrevContent;
+
   /// The timeout until a typing indicator gets removed automatically.
   final Duration typingIndicatorTimeout;
 
@@ -243,6 +246,15 @@ class Client extends MatrixApi {
     this.dehydratedDeviceDisplayName = 'Dehydrated Device',
     RoomSorter? customRoomSorter,
     this.contentScannerConfig,
+
+    /// Whether the app automatically requests the profile for users which have
+    /// no filled out member state in a room. This is e.g. the case for left
+    /// or banned users.
+    this.autoRequestProfileForMissingUsers = true,
+
+    /// Whether the app should get DisplayName and Avatar also from the
+    /// previous content of a member state event.
+    this.getDisplayNameAndAvatarFromPrevContent = true,
   }) : _database = database,
        syncFilter =
            syncFilter ??

lib/src/room.dart

@@ -2145,15 +2145,16 @@ class Room {
     String mxID, {
     bool ignoreErrors = false,
     bool requestState = true,
-    bool requestProfile = true,
+    bool? requestProfile,
   }) async {
     assert(mxID.isValidMatrixIdStrict());
 
     final parameters = (
       mxID: mxID,
       ignoreErrors: ignoreErrors,
       requestState: requestState,
-      requestProfile: requestProfile,
+      requestProfile:
+          requestProfile ?? client.autoRequestProfileForMissingUsers,
     );
 
     final cache = _inflightUserRequests[parameters] ??= AsyncCache.ephemeral();
@@ -2164,7 +2165,8 @@ class Room {
           mxID,
           ignoreErrors: ignoreErrors,
           requestState: requestState,
-          requestProfile: requestProfile,
+          requestProfile:
+              requestProfile ?? client.autoRequestProfileForMissingUsers,
         ),
       );
       _inflightUserRequests.remove(parameters);

lib/src/user.dart

@@ -57,7 +57,8 @@ class User extends StrippedStateEvent {
   /// The displayname of the user if the user has set one.
   String? get displayName =>
       content.tryGet<String>('displayname') ??
-      (membership == Membership.join
+      (membership == Membership.join ||
+              !room.client.getDisplayNameAndAvatarFromPrevContent
           ? null
           : prevContent?.tryGet<String>('displayname'));
 
@@ -80,7 +81,8 @@ class User extends StrippedStateEvent {
   Uri? get avatarUrl {
     final uri =
         content.tryGet<String>('avatar_url') ??
-        (membership == Membership.join
+        (membership == Membership.join ||
+                !room.client.getDisplayNameAndAvatarFromPrevContent
             ? null
             : prevContent?.tryGet<String>('avatar_url'));
     return uri == null ? null : Uri.tryParse(uri);