From 1a03b0c63f074b0bad5ef5668fda6c550e5b8d4f Mon Sep 17 00:00:00 2001
From: Liam Fitzgerald <liam.fitzgerald@tlon.io>
Date: Wed, 24 Mar 2021 13:47:49 +1000
Subject: [PATCH] ChatWindow: dismiss unread if we are at bottom of window

---
 .../src/views/apps/chat/components/ChatWindow.tsx        | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkg/interface/src/views/apps/chat/components/ChatWindow.tsx b/pkg/interface/src/views/apps/chat/components/ChatWindow.tsx
index f2ef940b15..7cd778d098 100644
--- a/pkg/interface/src/views/apps/chat/components/ChatWindow.tsx
+++ b/pkg/interface/src/views/apps/chat/components/ChatWindow.tsx
@@ -114,6 +114,11 @@ class ChatWindow extends Component<
     });
   }
 
+  dismissedInitialUnread() {
+    const { unreadCount, graph } = this.props;
+    return this.state.unreadIndex.neq(graph.keys()?.[unreadCount]?.[0] ?? bigInt.zero)
+  }
+
   handleWindowBlur() {
     this.setState({ idle: true });
   }
@@ -130,6 +135,10 @@ class ChatWindow extends Component<
 
     if(this.prevSize !== graphSize) {
       this.prevSize = graphSize;
+      if(this.dismissedInitialUnread() 
+        && this.virtualList?.startOffset() === 0) {
+        this.dismissUnread();
+      }
       if(this.state.unreadIndex.eq(bigInt.zero)) {
         this.calculateUnreadIndex();
       }