multiverse/widgets/room_view/details/
events.rs

1use itertools::Itertools;
2use matrix_sdk_ui::room_list_service::Room;
3use ratatui::{
4    prelude::*,
5    widgets::{Paragraph, Wrap},
6};
7use tokio::runtime::Handle;
8
9use crate::TEXT_COLOR;
10
11pub struct EventsView<'a> {
12    room: Option<&'a Room>,
13}
14
15impl<'a> EventsView<'a> {
16    pub fn new(room: Option<&'a Room>) -> Self {
17        Self { room }
18    }
19}
20
21impl Widget for &mut EventsView<'_> {
22    fn render(self, area: Rect, buf: &mut Buffer)
23    where
24        Self: Sized,
25    {
26        match self.room {
27            Some(room) => {
28                let events = tokio::task::block_in_place(|| {
29                    Handle::current().block_on(async {
30                        let (room_event_cache, _drop_handles) = room.event_cache().await.unwrap();
31                        let (events, _) = room_event_cache.subscribe().await;
32                        events
33                    })
34                });
35
36                let separator = Line::from("\n");
37                let events = events
38                    .into_iter()
39                    .map(|sync_timeline_item| sync_timeline_item.raw().json().to_string())
40                    .map(Line::from);
41
42                let events = Itertools::intersperse(events, separator);
43                let lines: Vec<_> = [Line::from("")].into_iter().chain(events).collect();
44
45                Paragraph::new(lines).fg(TEXT_COLOR).wrap(Wrap { trim: false }).render(area, buf);
46            }
47
48            None => {
49                Paragraph::new("(room disappeared in the room list service)")
50                    .fg(TEXT_COLOR)
51                    .wrap(Wrap { trim: false })
52                    .render(area, buf);
53            }
54        }
55    }
56}