From 269bea73505a822dd7355edcbff0ac16df294921 Mon Sep 17 00:00:00 2001
From: Christian Pauly <christian-pauly@posteo.de>
Date: Tue, 1 Oct 2019 09:39:15 +0000
Subject: [PATCH] [Lists] Add sort lock

---
 lib/src/RoomList.dart |  5 +++++
 lib/src/Timeline.dart | 11 ++++++++++-
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/lib/src/RoomList.dart b/lib/src/RoomList.dart
index e31031a..0803ea4 100644
--- a/lib/src/RoomList.dart
+++ b/lib/src/RoomList.dart
@@ -166,9 +166,14 @@ class RoomList {
     sortAndUpdate();
   }
 
+  bool sortLock = false;
+
   sort() {
+    if (sortLock) return;
+    sortLock = true;
     rooms?.sort((a, b) =>
         b.timeCreated.toTimeStamp().compareTo(a.timeCreated.toTimeStamp()));
+    sortLock = false;
   }
 
   sortAndUpdate() {
diff --git a/lib/src/Timeline.dart b/lib/src/Timeline.dart
index f2a422b..f64597a 100644
--- a/lib/src/Timeline.dart
+++ b/lib/src/Timeline.dart
@@ -119,9 +119,18 @@ class Timeline {
     }
   }
 
-  sortAndUpdate() {
+  bool sortLock = false;
+
+  sort() {
+    if (sortLock) return;
+    sortLock = true;
     events
         ?.sort((a, b) => b.time.toTimeStamp().compareTo(a.time.toTimeStamp()));
+    sortLock = false;
+  }
+
+  sortAndUpdate() {
+    sort();
     if (onUpdate != null) onUpdate();
   }
 }