I forgot what I changed sorry

lib/src/room_timeline.dart

@@ -598,13 +598,44 @@ class RoomTimeline extends Timeline {
     }
     return;
   }
+
+  /// Add an event to the aggregation tree
+  void addAggregatedEvent(Event event) {
+    final relationshipType = event.relationshipType;
+    final relationshipEventId = event.relationshipEventId;
+    if (relationshipType == null || relationshipEventId == null) {
+      return;
+    }
+    final e = (aggregatedEvents[relationshipEventId] ??=
+        <String, Set<Event>>{})[relationshipType] ??= <Event>{};
+    _removeEventFromSet(e, event);
+    e.add(event);
+    if (onChange != null) {
+      final index = _findEvent(event_id: relationshipEventId);
+      onChange?.call(index);
+    }
   }
 
-extension on List<Event> {
+  /// Remove an event from aggregation
-  int get firstIndexWhereNotError {
+  void removeAggregatedEvent(Event event) {
-    if (isEmpty) return 0;
+    aggregatedEvents.remove(event.eventId);
-    final index = indexWhere((event) => !event.status.isError);
+    if (event.transactionId != null) {
-    if (index == -1) return length;
+      aggregatedEvents.remove(event.transactionId);
-    return index;
+    }
+    for (final types in aggregatedEvents.values) {
+      for (final e in types.values) {
+        _removeEventFromSet(e, event);
+      }
+    }
+  }
+
+  /// Remove event from set based on event or transaction ID
+  void _removeEventFromSet(Set<Event> eventSet, Event event) {
+    eventSet.removeWhere(
+      (e) =>
+          e.matchesEventOrTransactionId(event.eventId) ||
+          event.unsigned != null &&
+              e.matchesEventOrTransactionId(event.transactionId),
+    );
   }
 }

lib/src/thread.dart

@@ -4,12 +4,14 @@ class Thread {
   final Room room;
   final Event rootEvent;
   Event? lastEvent;
+  String? prev_batch;
   final Client client;
 
   Thread({
     required this.room,
     required this.rootEvent,
     required this.client,
+    this.prev_batch,
     this.lastEvent,
   });
 

lib/src/thread_timeline.dart

@@ -1,7 +1,13 @@
+import 'dart:async';
+
 import 'package:matrix/matrix.dart';
 import 'package:matrix/src/models/timeline_chunk.dart';
 import 'package:matrix/src/thread.dart';
 
+// ThreadTimeline: hey RoomTimeline can i copy your homework?
+// RoomTimeline: sure just don't make it too obvious
+// ThreadTimeline:
+
 class ThreadTimeline extends Timeline {
   final Thread thread;
 
@@ -10,13 +16,148 @@ class ThreadTimeline extends Timeline {
 
   TimelineChunk chunk;
 
+  StreamSubscription<Event>? timelineSub;
+  StreamSubscription<Event>? historySub;
+  StreamSubscription<SyncUpdate>? roomSub;
+  StreamSubscription<String>? sessionIdReceivedSub;
+  StreamSubscription<String>? cancelSendEventSub;
+
   ThreadTimeline({
     required this.thread,
-    required this.chunk
+    required this.chunk,
+    super.onUpdate,
+    super.onChange,
+    super.onInsert,
+    super.onRemove,
+    super.onNewEvent,
   }) {
-    
+    final room = thread.room;
+    timelineSub = room.client.onTimelineEvent.stream.listen(
+      (event) => _handleEventUpdate(event, EventUpdateType.timeline),
+    );
+    historySub = room.client.onHistoryEvent.stream.listen(
+      (event) => _handleEventUpdate(event, EventUpdateType.history),
+    );
   }
 
+  void _handleEventUpdate(
+    Event event,
+    EventUpdateType type, {
+    bool update = true,
+  }) {
+    try {
+      if (event.roomId != thread.room.id) return;
+      // Ignore events outside of this thread
+      if (event.relationshipType != RelationshipTypes.thread ||
+          event.relationshipEventId != thread.rootEvent.eventId) return;
+
+      if (type != EventUpdateType.timeline && type != EventUpdateType.history) {
+        return;
+      }
+
+      if (type == EventUpdateType.timeline) {
+        onNewEvent?.call();
+      }
+
+      if (type == EventUpdateType.history &&
+          events.indexWhere((e) => e.eventId == event.eventId) != -1) {
+        return;
+      }
+      var index = events.length;
+      if (type == EventUpdateType.history) {
+        events.add(event);
+      } else {
+        index = events.firstIndexWhereNotError;
+        events.insert(index, event);
+      }
+      onInsert?.call(index);
+
+      addAggregatedEvent(event);
+
+      // Handle redaction events
+      if (event.type == EventTypes.Redaction) {
+        final index = _findEvent(event_id: event.redacts);
+        if (index < events.length) {
+          removeAggregatedEvent(events[index]);
+
+          // Is the redacted event a reaction? Then update the event this
+          // belongs to:
+          if (onChange != null) {
+            final relationshipEventId = events[index].relationshipEventId;
+            if (relationshipEventId != null) {
+              onChange?.call(_findEvent(event_id: relationshipEventId));
+              return;
+            }
+          }
+
+          events[index].setRedactionEvent(event);
+          onChange?.call(index);
+        }
+      }
+
+      if (update) {
+        onUpdate?.call();
+      }
+    } catch (e, s) {
+      Logs().w('Handle event update failed', e, s);
+    }
+  }
+
+  /// Add an event to the aggregation tree
+  void addAggregatedEvent(Event event) {
+    final relationshipType = event.relationshipType;
+    final relationshipEventId = event.relationshipEventId;
+    if (relationshipType == null || relationshipEventId == null) {
+      return;
+    }
+    final e = (aggregatedEvents[relationshipEventId] ??=
+        <String, Set<Event>>{})[relationshipType] ??= <Event>{};
+    _removeEventFromSet(e, event);
+    e.add(event);
+    if (onChange != null) {
+      final index = _findEvent(event_id: relationshipEventId);
+      onChange?.call(index);
+    }
+  }
+
+  /// Remove an event from aggregation
+  void removeAggregatedEvent(Event event) {
+    aggregatedEvents.remove(event.eventId);
+    if (event.transactionId != null) {
+      aggregatedEvents.remove(event.transactionId);
+    }
+    for (final types in aggregatedEvents.values) {
+      for (final e in types.values) {
+        _removeEventFromSet(e, event);
+      }
+    }
+  }
+
+  /// Remove event from set based on event or transaction ID
+  void _removeEventFromSet(Set<Event> eventSet, Event event) {
+    eventSet.removeWhere(
+      (e) =>
+          e.matchesEventOrTransactionId(event.eventId) ||
+          event.unsigned != null &&
+              e.matchesEventOrTransactionId(event.transactionId),
+    );
+  }
+
+  /// Find event index by event ID or transaction ID
+  int _findEvent({String? event_id, String? unsigned_txid}) {
+    final searchNeedle = <String>{};
+    if (event_id != null) searchNeedle.add(event_id);
+    if (unsigned_txid != null) searchNeedle.add(unsigned_txid);
+
+    int i;
+    for (i = 0; i < events.length; i++) {
+      final searchHaystack = <String>{events[i].eventId};
+      final txnid = events[i].transactionId;
+      if (txnid != null) searchHaystack.add(txnid);
+      if (searchNeedle.intersection(searchHaystack).isNotEmpty) break;
+    }
+    return i;
+  }
 
   @override
   // TODO: implement canRequestFuture
@@ -38,19 +179,22 @@ class ThreadTimeline extends Timeline {
   }
 
   @override
-  Future<void> requestFuture({int historyCount = Room.defaultHistoryCount, StateFilter? filter}) {
+  Future<void> requestFuture(
+      {int historyCount = Room.defaultHistoryCount, StateFilter? filter}) {
     // TODO: implement requestFuture
     throw UnimplementedError();
   }
 
   @override
-  Future<void> requestHistory({int historyCount = Room.defaultHistoryCount, StateFilter? filter}) {
+  Future<void> requestHistory(
+      {int historyCount = Room.defaultHistoryCount, StateFilter? filter}) {
     // TODO: implement requestHistory
     throw UnimplementedError();
   }
 
   @override
-  void requestKeys({bool tryOnlineBackup = true, bool onlineKeyBackupOnly = true}) {
+  void requestKeys(
+      {bool tryOnlineBackup = true, bool onlineKeyBackupOnly = true}) {
     // TODO: implement requestKeys
   }
 
@@ -61,9 +205,15 @@ class ThreadTimeline extends Timeline {
   }
 
   @override
-  Stream<(List<Event>, String?)> startSearch({String? searchTerm, int requestHistoryCount = 100, int maxHistoryRequests = 10, String? prevBatch, String? sinceEventId, int? limit, bool Function(Event p1)? searchFunc}) {
+  Stream<(List<Event>, String?)> startSearch(
+      {String? searchTerm,
+      int requestHistoryCount = 100,
+      int maxHistoryRequests = 10,
+      String? prevBatch,
+      String? sinceEventId,
+      int? limit,
+      bool Function(Event p1)? searchFunc}) {
     // TODO: implement startSearch
     throw UnimplementedError();
   }
-
 }

lib/src/timeline.dart

@@ -17,11 +17,7 @@
  */
 
 import 'dart:async';
-import 'dart:convert';
-
-import 'package:collection/collection.dart';
 import 'package:matrix/matrix.dart';
-import 'package:matrix/src/models/timeline_chunk.dart';
 
 /// Abstract base class for all timeline implementations.
 /// Provides common functionality for event management, aggregation, and search.
@@ -93,62 +89,6 @@ abstract class Timeline {
     bool Function(Event)? searchFunc,
   });
 
-  /// Add an event to the aggregation tree
-  void addAggregatedEvent(Event event) {
-    final relationshipType = event.relationshipType;
-    final relationshipEventId = event.relationshipEventId;
-    if (relationshipType == null || relationshipEventId == null) {
-      return;
-    }
-    final e = (aggregatedEvents[relationshipEventId] ??=
-        <String, Set<Event>>{})[relationshipType] ??= <Event>{};
-    _removeEventFromSet(e, event);
-    e.add(event);
-    if (onChange != null) {
-      final index = _findEvent(event_id: relationshipEventId);
-      onChange?.call(index);
-    }
-  }
-
-  /// Remove an event from aggregation
-  void removeAggregatedEvent(Event event) {
-    aggregatedEvents.remove(event.eventId);
-    if (event.transactionId != null) {
-      aggregatedEvents.remove(event.transactionId);
-    }
-    for (final types in aggregatedEvents.values) {
-      for (final e in types.values) {
-        _removeEventFromSet(e, event);
-      }
-    }
-  }
-
-  /// Find event index by event ID or transaction ID
-  int _findEvent({String? event_id, String? unsigned_txid}) {
-    final searchNeedle = <String>{};
-    if (event_id != null) searchNeedle.add(event_id);
-    if (unsigned_txid != null) searchNeedle.add(unsigned_txid);
-    
-    int i;
-    for (i = 0; i < events.length; i++) {
-      final searchHaystack = <String>{events[i].eventId};
-      final txnid = events[i].transactionId;
-      if (txnid != null) searchHaystack.add(txnid);
-      if (searchNeedle.intersection(searchHaystack).isNotEmpty) break;
-    }
-    return i;
-  }
-
-  /// Remove event from set based on event or transaction ID
-  void _removeEventFromSet(Set<Event> eventSet, Event event) {
-    eventSet.removeWhere(
-      (e) =>
-          e.matchesEventOrTransactionId(event.eventId) ||
-          event.unsigned != null &&
-              e.matchesEventOrTransactionId(event.transactionId),
-    );
-  }
-
   /// Handle event updates (to be implemented by subclasses)
   void _handleEventUpdate(Event event, EventUpdateType type, {bool update = true});
 
@@ -173,3 +113,13 @@ abstract class Timeline {
         searchFunc: searchFunc,
       ).map((result) => result.$1);
 }
+
+// TODO: make up a better name
+extension TimelineExtension on List<Event> {
+  int get firstIndexWhereNotError {
+    if (isEmpty) return 0;
+    final index = indexWhere((event) => !event.status.isError);
+    if (index == -1) return length;
+    return index;
+  }
+}