Merge pull request #636 from squidowl/fix/dont-jump-backlog-missing-r…

…eadmarker

Don't jump to backlog when readmarker missing

data/src/history/manager.rs

@@ -275,6 +275,14 @@ impl Manager {
             .unwrap_or_default()
     }
 
+    pub fn read_marker(&self, kind: &history::Kind) -> Option<history::ReadMarker> {
+        self.data
+            .map
+            .get(kind)
+            .map(|history| history.read_marker())
+            .unwrap_or_default()
+    }
+
     pub fn broadcast(
         &mut self,
         server: &Server,

src/buffer/scroll_view.rs

@@ -389,6 +389,10 @@ impl State {
             return self.scroll_to_message(message, kind, history, config);
         }
 
+        if history.read_marker(&kind.into()).is_none() {
+            return Task::none();
+        }
+
         let Some(history::View {
             total,
             old_messages,