multiverse: add Events view

This allows seeing the events directly from the room event cache. I'm
hoping this will give us some interesting insights about duplicates,
among other things.

labs/multiverse/src/main.rs

@@ -34,7 +34,7 @@ use matrix_sdk_ui::{
  Timeline as SdkTimeline,
 };
 use ratatui::{prelude::*, style::palette::tailwind, widgets::*};
-use tokio::{spawn, task::JoinHandle};
+use tokio::{runtime::Handle, spawn, task::JoinHandle};
 use tracing::error;
 use tracing_subscriber::{layer::SubscriberExt as _, util::SubscriberInitExt as _, EnvFilter};
 
@@ -112,7 +112,7 @@ enum DetailsMode {
  ReadReceipts,
  #[default]
  TimelineItems,
- // Events // TODO: Soon™
+ Events,
 }
 
 struct Timeline {
@@ -477,6 +477,7 @@ impl App {
 
  Char('r') => self.details_mode = DetailsMode::ReadReceipts,
  Char('t') => self.details_mode = DetailsMode::TimelineItems,
+ Char('e') => self.details_mode = DetailsMode::Events,
 
  Char('b') if self.details_mode == DetailsMode::TimelineItems => {
  self.back_paginate();
@@ -707,6 +708,32 @@ impl App {
  render_paragraph(buf, "(room's timeline disappeared)".to_owned())
  }
  }
+
+ DetailsMode::Events => match self.ui_rooms.lock().unwrap().get(&room_id).cloned() {
+ Some(room) => {
+ let events = tokio::task::block_in_place(|| {
+ Handle::current().block_on(async {
+ let (room_event_cache, _drop_handles) =
+ room.event_cache().await.unwrap();
+ let (events, _) = room_event_cache.subscribe().await.unwrap();
+ events
+ })
+ });
+
+ let rendered_events = events
+ .into_iter()
+ .map(|sync_timeline_item| sync_timeline_item.event.json().to_string())
+ .collect::<Vec<_>>()
+ .join("\n\n");
+
+ render_paragraph(buf, format!("Events:\n\n{rendered_events}"))
+ }
+
+ None => render_paragraph(
+ buf,
+ "(room disappeared in the room list service)".to_owned(),
+ ),
+ },
  }
  } else {
  render_paragraph(buf, "Nothing to see here...".to_owned())
@@ -811,10 +838,13 @@ impl App {
  } else {
  match self.details_mode {
  DetailsMode::ReadReceipts => {
- "\nUse j/k to move, s/S to start/stop the sync service, m to mark as read, t to show the timeline.".to_owned()
+ "\nUse j/k to move, s/S to start/stop the sync service, m to mark as read, t to show the timeline, e to show events.".to_owned()
  }
  DetailsMode::TimelineItems => {
- "\nUse j/k to move, s/S to start/stop the sync service, r to show read receipts, Q to enable/disable the send queue, M to send a message.".to_owned()
+ "\nUse j/k to move, s/S to start/stop the sync service, r to show read receipts, e to show events, Q to enable/disable the send queue, M to send a message.".to_owned()
+ }
+ DetailsMode::Events => {
+ "\nUse j/k to move, s/S to start/stop the sync service, r to show read receipts, t to show the timeline".to_owned()
  }
  }
  };