fix: Remove onHistoryReceived which was broken anyway

lib/src/room.dart

@@ -1140,7 +1140,6 @@ class Room {
     void Function(int index)? onRemove,
     void Function(int insertID)? onInsert,
     void Function()? onUpdate,
-    void Function(int count)? onHistoryReceived,
   }) async {
     await postLoad();
     var events;
@@ -1170,7 +1169,6 @@ class Room {
       onRemove: onRemove,
       onInsert: onInsert,
       onUpdate: onUpdate,
-      onHistoryReceived: onHistoryReceived,
     );
     if (client.database == null) {
       await requestHistory(historyCount: 10);

lib/src/timeline.dart

@@ -36,7 +36,6 @@ class Timeline {
   final void Function(int index)? onChange;
   final void Function(int index)? onInsert;
   final void Function(int index)? onRemove;
-  final void Function(int count)? onHistoryReceived;
 
   StreamSubscription<EventUpdate>? sub;
   StreamSubscription<SyncUpdate>? roomSub;
@@ -87,16 +86,19 @@ class Timeline {
       );
       if (eventsFromStore != null && eventsFromStore.isNotEmpty) {
         events.addAll(eventsFromStore);
-        onHistoryReceived?.call(eventsFromStore.length);
+        final startIndex = events.length - eventsFromStore.length;
+        final endIndex = events.length;
+        for (var i = startIndex; i < endIndex; i++) {
+          onInsert?.call(i);
+        }
       } else {
         Logs().v('No more events found in the store. Request from server...');
-        final count = await room.requestHistory(
+        await room.requestHistory(
           historyCount: historyCount,
           onHistoryReceived: () {
             _collectHistoryUpdates = true;
           },
         );
-        onHistoryReceived?.call(count);
       }
     } finally {
       _collectHistoryUpdates = false;
@@ -112,7 +114,6 @@ class Timeline {
     this.onChange,
     this.onInsert,
     this.onRemove,
-    this.onHistoryReceived,
   }) : events = events ?? [] {
     sub = room.client.onEvent.stream.listen(_handleEventUpdate);
 
@@ -338,8 +339,8 @@ class Timeline {
           } else {
             index = events.firstIndexWhereNotError;
             events.insert(index, newEvent);
-            onInsert?.call(index);
           }
+          onInsert?.call(index);
 
           addAggregatedEvent(newEvent);
         }

test/timeline_test.dart

@@ -31,7 +31,6 @@ void main() {
     final insertList = <int>[];
     final changeList = <int>[];
     final removeList = <int>[];
-    final historyRequestList = <int>[];
     var olmEnabled = true;
 
     late Client client;
@@ -60,7 +59,6 @@ void main() {
         onInsert: insertList.add,
         onChange: changeList.add,
         onRemove: removeList.add,
-        onHistoryReceived: historyRequestList.add,
       );
     });
 
@@ -293,8 +291,7 @@ void main() {
       await Future.delayed(Duration(milliseconds: 50));
 
       expect(updateCount, 20);
-      expect(insertList, [0, 0, 0, 0, 0, 0, 1, 2, 0]);
+      expect(insertList, [0, 0, 0, 0, 0, 0, 1, 2, 0, 0, 1, 2]);
-      expect(historyRequestList, []);
       expect(timeline.events.length, 3);
       expect(timeline.events[0].eventId, '3143273582443PhrSn:example.org');
       expect(timeline.events[1].eventId, '2143273582443PhrSn:example.org');