room-history: Don't loop when new messages are added

The scrollbar has not been updated when the `load()` method returns,
so wait until we get notified of the change if new messages are added.
This commit is contained in:
Kévin Commaille 2022-10-10 14:58:41 +02:00
parent f0e5d97684
commit b0274eaaf2
No known key found for this signature in database
GPG key ID: DD507DAE96E8245C
2 changed files with 10 additions and 23 deletions

View file

@ -842,22 +842,7 @@ impl RoomHistory {
let obj_weak = self.downgrade();
spawn!(async move {
loop {
// We don't want to hold a strong ref to `obj` on `await`
let need = if let Some(obj) = obj_weak.upgrade() {
if obj.room().as_ref() == Some(&room) {
obj.need_messages() || room.timeline().is_empty()
} else {
return;
}
} else {
return;
};
if need {
if !room.timeline().load().await {
break;
}
} else {
if !room.timeline().load().await {
break;
}
}

View file

@ -507,9 +507,9 @@ impl Timeline {
}
}
/// Load the timeline
/// This function should also be called to load more events
/// Returns `true` when messages where successfully added
/// Load events at the start of the timeline.
///
/// Returns `true` when no messages were added, but more can be loaded.
pub async fn load(&self) -> bool {
let priv_ = self.imp();
@ -584,8 +584,7 @@ impl Timeline {
}
self.set_state(TimelineState::Ready);
self.prepend(events);
true
!self.prepend(events)
}
Ok(None) => {
self.remove_loading_spinner();
@ -784,8 +783,10 @@ impl Timeline {
}
}
/// Prepends a batch of events
pub fn prepend(&self, batch: Vec<Event>) {
/// Prepends a batch of events.
///
/// Returns `true` if new shown events where added to the timeline.
pub fn prepend(&self, batch: Vec<Event>) -> bool {
let priv_ = self.imp();
let mut added = batch.len();
@ -831,6 +832,7 @@ impl Timeline {
}
self.items_changed(0, 0, added as u32);
added > 0
}
fn set_room(&self, room: Option<Room>) {