1use crate::{
2 call_settings::CallSettings,
3 participant::{LocalParticipant, ParticipantLocation, RemoteParticipant},
4};
5use anyhow::{anyhow, Result};
6use audio::{Audio, Sound};
7use client::{
8 proto::{self, PeerId},
9 ChannelId, Client, ParticipantIndex, TypedEnvelope, User, UserStore,
10};
11use collections::{BTreeMap, HashMap, HashSet};
12use fs::Fs;
13use futures::{FutureExt, StreamExt};
14use gpui::{
15 AppContext, AsyncAppContext, Context, EventEmitter, Model, ModelContext, Task, WeakModel,
16};
17use language::LanguageRegistry;
18use live_kit_client::{LocalAudioTrack, LocalTrackPublication, LocalVideoTrack, RoomUpdate};
19use postage::{sink::Sink, stream::Stream, watch};
20use project::Project;
21use settings::Settings as _;
22use std::{future::Future, mem, sync::Arc, time::Duration};
23use util::{post_inc, ResultExt, TryFutureExt};
24
25pub const RECONNECT_TIMEOUT: Duration = Duration::from_secs(30);
26
27#[derive(Clone, Debug, PartialEq, Eq)]
28pub enum Event {
29 RoomJoined {
30 channel_id: Option<ChannelId>,
31 },
32 ParticipantLocationChanged {
33 participant_id: proto::PeerId,
34 },
35 RemoteVideoTracksChanged {
36 participant_id: proto::PeerId,
37 },
38 RemoteAudioTracksChanged {
39 participant_id: proto::PeerId,
40 },
41 RemoteProjectShared {
42 owner: Arc<User>,
43 project_id: u64,
44 worktree_root_names: Vec<String>,
45 },
46 RemoteProjectUnshared {
47 project_id: u64,
48 },
49 RemoteProjectJoined {
50 project_id: u64,
51 },
52 RemoteProjectInvitationDiscarded {
53 project_id: u64,
54 },
55 RoomLeft {
56 channel_id: Option<ChannelId>,
57 },
58}
59
60pub struct Room {
61 id: u64,
62 channel_id: Option<ChannelId>,
63 live_kit: Option<LiveKitRoom>,
64 status: RoomStatus,
65 shared_projects: HashSet<WeakModel<Project>>,
66 joined_projects: HashSet<WeakModel<Project>>,
67 local_participant: LocalParticipant,
68 remote_participants: BTreeMap<u64, RemoteParticipant>,
69 pending_participants: Vec<Arc<User>>,
70 participant_user_ids: HashSet<u64>,
71 pending_call_count: usize,
72 leave_when_empty: bool,
73 client: Arc<Client>,
74 user_store: Model<UserStore>,
75 follows_by_leader_id_project_id: HashMap<(PeerId, u64), Vec<PeerId>>,
76 client_subscriptions: Vec<client::Subscription>,
77 _subscriptions: Vec<gpui::Subscription>,
78 room_update_completed_tx: watch::Sender<Option<()>>,
79 room_update_completed_rx: watch::Receiver<Option<()>>,
80 pending_room_update: Option<Task<()>>,
81 maintain_connection: Option<Task<Option<()>>>,
82}
83
84impl EventEmitter<Event> for Room {}
85
86impl Room {
87 pub fn channel_id(&self) -> Option<ChannelId> {
88 self.channel_id
89 }
90
91 pub fn is_sharing_project(&self) -> bool {
92 !self.shared_projects.is_empty()
93 }
94
95 #[cfg(any(test, feature = "test-support"))]
96 pub fn is_connected(&self) -> bool {
97 if let Some(live_kit) = self.live_kit.as_ref() {
98 matches!(
99 *live_kit.room.status().borrow(),
100 live_kit_client::ConnectionState::Connected { .. }
101 )
102 } else {
103 false
104 }
105 }
106
107 fn new(
108 id: u64,
109 channel_id: Option<ChannelId>,
110 live_kit_connection_info: Option<proto::LiveKitConnectionInfo>,
111 client: Arc<Client>,
112 user_store: Model<UserStore>,
113 cx: &mut ModelContext<Self>,
114 ) -> Self {
115 let live_kit_room = if let Some(connection_info) = live_kit_connection_info {
116 let room = live_kit_client::Room::new();
117 let mut status = room.status();
118 // Consume the initial status of the room.
119 let _ = status.try_recv();
120 let _maintain_room = cx.spawn(|this, mut cx| async move {
121 while let Some(status) = status.next().await {
122 let this = if let Some(this) = this.upgrade() {
123 this
124 } else {
125 break;
126 };
127
128 if status == live_kit_client::ConnectionState::Disconnected {
129 this.update(&mut cx, |this, cx| this.leave(cx).log_err())
130 .ok();
131 break;
132 }
133 }
134 });
135
136 let _handle_updates = cx.spawn({
137 let room = room.clone();
138 move |this, mut cx| async move {
139 let mut updates = room.updates();
140 while let Some(update) = updates.next().await {
141 let this = if let Some(this) = this.upgrade() {
142 this
143 } else {
144 break;
145 };
146
147 this.update(&mut cx, |this, cx| {
148 this.live_kit_room_updated(update, cx).log_err()
149 })
150 .ok();
151 }
152 }
153 });
154
155 let connect = room.connect(&connection_info.server_url, &connection_info.token);
156 cx.spawn(|this, mut cx| async move {
157 connect.await?;
158 this.update(&mut cx, |this, cx| {
159 if this.can_use_microphone() {
160 if let Some(live_kit) = &this.live_kit {
161 if !live_kit.muted_by_user && !live_kit.deafened {
162 return this.share_microphone(cx);
163 }
164 }
165 }
166 Task::ready(Ok(()))
167 })?
168 .await
169 })
170 .detach_and_log_err(cx);
171
172 Some(LiveKitRoom {
173 room,
174 screen_track: LocalTrack::None,
175 microphone_track: LocalTrack::None,
176 next_publish_id: 0,
177 muted_by_user: Self::mute_on_join(cx),
178 deafened: false,
179 speaking: false,
180 _maintain_room,
181 _handle_updates,
182 })
183 } else {
184 None
185 };
186
187 let maintain_connection = cx.spawn({
188 let client = client.clone();
189 move |this, cx| Self::maintain_connection(this, client.clone(), cx).log_err()
190 });
191
192 Audio::play_sound(Sound::Joined, cx);
193
194 let (room_update_completed_tx, room_update_completed_rx) = watch::channel();
195
196 Self {
197 id,
198 channel_id,
199 live_kit: live_kit_room,
200 status: RoomStatus::Online,
201 shared_projects: Default::default(),
202 joined_projects: Default::default(),
203 participant_user_ids: Default::default(),
204 local_participant: Default::default(),
205 remote_participants: Default::default(),
206 pending_participants: Default::default(),
207 pending_call_count: 0,
208 client_subscriptions: vec![
209 client.add_message_handler(cx.weak_model(), Self::handle_room_updated)
210 ],
211 _subscriptions: vec![
212 cx.on_release(Self::released),
213 cx.on_app_quit(Self::app_will_quit),
214 ],
215 leave_when_empty: false,
216 pending_room_update: None,
217 client,
218 user_store,
219 follows_by_leader_id_project_id: Default::default(),
220 maintain_connection: Some(maintain_connection),
221 room_update_completed_tx,
222 room_update_completed_rx,
223 }
224 }
225
226 pub(crate) fn create(
227 called_user_id: u64,
228 initial_project: Option<Model<Project>>,
229 client: Arc<Client>,
230 user_store: Model<UserStore>,
231 cx: &mut AppContext,
232 ) -> Task<Result<Model<Self>>> {
233 cx.spawn(move |mut cx| async move {
234 let response = client.request(proto::CreateRoom {}).await?;
235 let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
236 let room = cx.new_model(|cx| {
237 let mut room = Self::new(
238 room_proto.id,
239 None,
240 response.live_kit_connection_info,
241 client,
242 user_store,
243 cx,
244 );
245 if let Some(participant) = room_proto.participants.first() {
246 room.local_participant.role = participant.role()
247 }
248 room
249 })?;
250
251 let initial_project_id = if let Some(initial_project) = initial_project {
252 let initial_project_id = room
253 .update(&mut cx, |room, cx| {
254 room.share_project(initial_project.clone(), cx)
255 })?
256 .await?;
257 Some(initial_project_id)
258 } else {
259 None
260 };
261
262 match room
263 .update(&mut cx, |room, cx| {
264 room.leave_when_empty = true;
265 room.call(called_user_id, initial_project_id, cx)
266 })?
267 .await
268 {
269 Ok(()) => Ok(room),
270 Err(error) => Err(error.context("room creation failed")),
271 }
272 })
273 }
274
275 pub(crate) async fn join_channel(
276 channel_id: ChannelId,
277 client: Arc<Client>,
278 user_store: Model<UserStore>,
279 cx: AsyncAppContext,
280 ) -> Result<Model<Self>> {
281 Self::from_join_response(
282 client
283 .request(proto::JoinChannel {
284 channel_id: channel_id.0,
285 })
286 .await?,
287 client,
288 user_store,
289 cx,
290 )
291 }
292
293 pub(crate) async fn join(
294 room_id: u64,
295 client: Arc<Client>,
296 user_store: Model<UserStore>,
297 cx: AsyncAppContext,
298 ) -> Result<Model<Self>> {
299 Self::from_join_response(
300 client.request(proto::JoinRoom { id: room_id }).await?,
301 client,
302 user_store,
303 cx,
304 )
305 }
306
307 fn released(&mut self, cx: &mut AppContext) {
308 if self.status.is_online() {
309 self.leave_internal(cx).detach_and_log_err(cx);
310 }
311 }
312
313 fn app_will_quit(&mut self, cx: &mut ModelContext<Self>) -> impl Future<Output = ()> {
314 let task = if self.status.is_online() {
315 let leave = self.leave_internal(cx);
316 Some(cx.background_executor().spawn(async move {
317 leave.await.log_err();
318 }))
319 } else {
320 None
321 };
322
323 async move {
324 if let Some(task) = task {
325 task.await;
326 }
327 }
328 }
329
330 pub fn mute_on_join(cx: &AppContext) -> bool {
331 CallSettings::get_global(cx).mute_on_join || client::IMPERSONATE_LOGIN.is_some()
332 }
333
334 fn from_join_response(
335 response: proto::JoinRoomResponse,
336 client: Arc<Client>,
337 user_store: Model<UserStore>,
338 mut cx: AsyncAppContext,
339 ) -> Result<Model<Self>> {
340 let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
341 let room = cx.new_model(|cx| {
342 Self::new(
343 room_proto.id,
344 response.channel_id.map(ChannelId),
345 response.live_kit_connection_info,
346 client,
347 user_store,
348 cx,
349 )
350 })?;
351 room.update(&mut cx, |room, cx| {
352 room.leave_when_empty = room.channel_id.is_none();
353 room.apply_room_update(room_proto, cx)?;
354 anyhow::Ok(())
355 })??;
356 Ok(room)
357 }
358
359 fn should_leave(&self) -> bool {
360 self.leave_when_empty
361 && self.pending_room_update.is_none()
362 && self.pending_participants.is_empty()
363 && self.remote_participants.is_empty()
364 && self.pending_call_count == 0
365 }
366
367 pub(crate) fn leave(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
368 cx.notify();
369 self.leave_internal(cx)
370 }
371
372 fn leave_internal(&mut self, cx: &mut AppContext) -> Task<Result<()>> {
373 if self.status.is_offline() {
374 return Task::ready(Err(anyhow!("room is offline")));
375 }
376
377 log::info!("leaving room");
378 Audio::play_sound(Sound::Leave, cx);
379
380 self.clear_state(cx);
381
382 let leave_room = self.client.request(proto::LeaveRoom {});
383 cx.background_executor().spawn(async move {
384 leave_room.await?;
385 anyhow::Ok(())
386 })
387 }
388
389 pub(crate) fn clear_state(&mut self, cx: &mut AppContext) {
390 for project in self.shared_projects.drain() {
391 if let Some(project) = project.upgrade() {
392 project.update(cx, |project, cx| {
393 project.unshare(cx).log_err();
394 });
395 }
396 }
397 for project in self.joined_projects.drain() {
398 if let Some(project) = project.upgrade() {
399 project.update(cx, |project, cx| {
400 project.disconnected_from_host(cx);
401 project.close(cx);
402 });
403 }
404 }
405
406 self.status = RoomStatus::Offline;
407 self.remote_participants.clear();
408 self.pending_participants.clear();
409 self.participant_user_ids.clear();
410 self.client_subscriptions.clear();
411 self.live_kit.take();
412 self.pending_room_update.take();
413 self.maintain_connection.take();
414 }
415
416 async fn maintain_connection(
417 this: WeakModel<Self>,
418 client: Arc<Client>,
419 mut cx: AsyncAppContext,
420 ) -> Result<()> {
421 let mut client_status = client.status();
422 loop {
423 let _ = client_status.try_recv();
424 let is_connected = client_status.borrow().is_connected();
425 // Even if we're initially connected, any future change of the status means we momentarily disconnected.
426 if !is_connected || client_status.next().await.is_some() {
427 log::info!("detected client disconnection");
428
429 this.upgrade()
430 .ok_or_else(|| anyhow!("room was dropped"))?
431 .update(&mut cx, |this, cx| {
432 this.status = RoomStatus::Rejoining;
433 cx.notify();
434 })?;
435
436 // Wait for client to re-establish a connection to the server.
437 {
438 let mut reconnection_timeout =
439 cx.background_executor().timer(RECONNECT_TIMEOUT).fuse();
440 let client_reconnection = async {
441 let mut remaining_attempts = 3;
442 while remaining_attempts > 0 {
443 if client_status.borrow().is_connected() {
444 log::info!("client reconnected, attempting to rejoin room");
445
446 let Some(this) = this.upgrade() else { break };
447 match this.update(&mut cx, |this, cx| this.rejoin(cx)) {
448 Ok(task) => {
449 if task.await.log_err().is_some() {
450 return true;
451 } else {
452 remaining_attempts -= 1;
453 }
454 }
455 Err(_app_dropped) => return false,
456 }
457 } else if client_status.borrow().is_signed_out() {
458 return false;
459 }
460
461 log::info!(
462 "waiting for client status change, remaining attempts {}",
463 remaining_attempts
464 );
465 client_status.next().await;
466 }
467 false
468 }
469 .fuse();
470 futures::pin_mut!(client_reconnection);
471
472 futures::select_biased! {
473 reconnected = client_reconnection => {
474 if reconnected {
475 log::info!("successfully reconnected to room");
476 // If we successfully joined the room, go back around the loop
477 // waiting for future connection status changes.
478 continue;
479 }
480 }
481 _ = reconnection_timeout => {
482 log::info!("room reconnection timeout expired");
483 }
484 }
485 }
486
487 break;
488 }
489 }
490
491 // The client failed to re-establish a connection to the server
492 // or an error occurred while trying to re-join the room. Either way
493 // we leave the room and return an error.
494 if let Some(this) = this.upgrade() {
495 log::info!("reconnection failed, leaving room");
496 let _ = this.update(&mut cx, |this, cx| this.leave(cx))?.await?;
497 }
498 Err(anyhow!(
499 "can't reconnect to room: client failed to re-establish connection"
500 ))
501 }
502
503 fn rejoin(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
504 let mut projects = HashMap::default();
505 let mut reshared_projects = Vec::new();
506 let mut rejoined_projects = Vec::new();
507 self.shared_projects.retain(|project| {
508 if let Some(handle) = project.upgrade() {
509 let project = handle.read(cx);
510 if let Some(project_id) = project.remote_id() {
511 projects.insert(project_id, handle.clone());
512 reshared_projects.push(proto::UpdateProject {
513 project_id,
514 worktrees: project.worktree_metadata_protos(cx),
515 });
516 return true;
517 }
518 }
519 false
520 });
521 self.joined_projects.retain(|project| {
522 if let Some(handle) = project.upgrade() {
523 let project = handle.read(cx);
524 if let Some(project_id) = project.remote_id() {
525 projects.insert(project_id, handle.clone());
526 rejoined_projects.push(proto::RejoinProject {
527 id: project_id,
528 worktrees: project
529 .worktrees(cx)
530 .map(|worktree| {
531 let worktree = worktree.read(cx);
532 proto::RejoinWorktree {
533 id: worktree.id().to_proto(),
534 scan_id: worktree.completed_scan_id() as u64,
535 }
536 })
537 .collect(),
538 });
539 }
540 return true;
541 }
542 false
543 });
544
545 let response = self.client.request_envelope(proto::RejoinRoom {
546 id: self.id,
547 reshared_projects,
548 rejoined_projects,
549 });
550
551 cx.spawn(|this, mut cx| async move {
552 let response = response.await?;
553 let message_id = response.message_id;
554 let response = response.payload;
555 let room_proto = response.room.ok_or_else(|| anyhow!("invalid room"))?;
556 this.update(&mut cx, |this, cx| {
557 this.status = RoomStatus::Online;
558 this.apply_room_update(room_proto, cx)?;
559
560 for reshared_project in response.reshared_projects {
561 if let Some(project) = projects.get(&reshared_project.id) {
562 project.update(cx, |project, cx| {
563 project.reshared(reshared_project, cx).log_err();
564 });
565 }
566 }
567
568 for rejoined_project in response.rejoined_projects {
569 if let Some(project) = projects.get(&rejoined_project.id) {
570 project.update(cx, |project, cx| {
571 project.rejoined(rejoined_project, message_id, cx).log_err();
572 });
573 }
574 }
575
576 anyhow::Ok(())
577 })?
578 })
579 }
580
581 pub fn id(&self) -> u64 {
582 self.id
583 }
584
585 pub fn status(&self) -> RoomStatus {
586 self.status
587 }
588
589 pub fn local_participant(&self) -> &LocalParticipant {
590 &self.local_participant
591 }
592
593 pub fn remote_participants(&self) -> &BTreeMap<u64, RemoteParticipant> {
594 &self.remote_participants
595 }
596
597 pub fn remote_participant_for_peer_id(&self, peer_id: PeerId) -> Option<&RemoteParticipant> {
598 self.remote_participants
599 .values()
600 .find(|p| p.peer_id == peer_id)
601 }
602
603 pub fn role_for_user(&self, user_id: u64) -> Option<proto::ChannelRole> {
604 self.remote_participants
605 .get(&user_id)
606 .map(|participant| participant.role)
607 }
608
609 pub fn contains_guests(&self) -> bool {
610 self.local_participant.role == proto::ChannelRole::Guest
611 || self
612 .remote_participants
613 .values()
614 .any(|p| p.role == proto::ChannelRole::Guest)
615 }
616
617 pub fn local_participant_is_admin(&self) -> bool {
618 self.local_participant.role == proto::ChannelRole::Admin
619 }
620
621 pub fn local_participant_is_guest(&self) -> bool {
622 self.local_participant.role == proto::ChannelRole::Guest
623 }
624
625 pub fn set_participant_role(
626 &mut self,
627 user_id: u64,
628 role: proto::ChannelRole,
629 cx: &ModelContext<Self>,
630 ) -> Task<Result<()>> {
631 let client = self.client.clone();
632 let room_id = self.id;
633 let role = role.into();
634 cx.spawn(|_, _| async move {
635 client
636 .request(proto::SetRoomParticipantRole {
637 room_id,
638 user_id,
639 role,
640 })
641 .await
642 .map(|_| ())
643 })
644 }
645
646 pub fn pending_participants(&self) -> &[Arc<User>] {
647 &self.pending_participants
648 }
649
650 pub fn contains_participant(&self, user_id: u64) -> bool {
651 self.participant_user_ids.contains(&user_id)
652 }
653
654 pub fn followers_for(&self, leader_id: PeerId, project_id: u64) -> &[PeerId] {
655 self.follows_by_leader_id_project_id
656 .get(&(leader_id, project_id))
657 .map_or(&[], |v| v.as_slice())
658 }
659
660 /// Returns the most 'active' projects, defined as most people in the project
661 pub fn most_active_project(&self, cx: &AppContext) -> Option<(u64, u64)> {
662 let mut project_hosts_and_guest_counts = HashMap::<u64, (Option<u64>, u32)>::default();
663 for participant in self.remote_participants.values() {
664 match participant.location {
665 ParticipantLocation::SharedProject { project_id } => {
666 project_hosts_and_guest_counts
667 .entry(project_id)
668 .or_default()
669 .1 += 1;
670 }
671 ParticipantLocation::External | ParticipantLocation::UnsharedProject => {}
672 }
673 for project in &participant.projects {
674 project_hosts_and_guest_counts
675 .entry(project.id)
676 .or_default()
677 .0 = Some(participant.user.id);
678 }
679 }
680
681 if let Some(user) = self.user_store.read(cx).current_user() {
682 for project in &self.local_participant.projects {
683 project_hosts_and_guest_counts
684 .entry(project.id)
685 .or_default()
686 .0 = Some(user.id);
687 }
688 }
689
690 project_hosts_and_guest_counts
691 .into_iter()
692 .filter_map(|(id, (host, guest_count))| Some((id, host?, guest_count)))
693 .max_by_key(|(_, _, guest_count)| *guest_count)
694 .map(|(id, host, _)| (id, host))
695 }
696
697 async fn handle_room_updated(
698 this: Model<Self>,
699 envelope: TypedEnvelope<proto::RoomUpdated>,
700 mut cx: AsyncAppContext,
701 ) -> Result<()> {
702 let room = envelope
703 .payload
704 .room
705 .ok_or_else(|| anyhow!("invalid room"))?;
706 this.update(&mut cx, |this, cx| this.apply_room_update(room, cx))?
707 }
708
709 fn apply_room_update(
710 &mut self,
711 mut room: proto::Room,
712 cx: &mut ModelContext<Self>,
713 ) -> Result<()> {
714 // Filter ourselves out from the room's participants.
715 let local_participant_ix = room
716 .participants
717 .iter()
718 .position(|participant| Some(participant.user_id) == self.client.user_id());
719 let local_participant = local_participant_ix.map(|ix| room.participants.swap_remove(ix));
720
721 let pending_participant_user_ids = room
722 .pending_participants
723 .iter()
724 .map(|p| p.user_id)
725 .collect::<Vec<_>>();
726
727 let remote_participant_user_ids = room
728 .participants
729 .iter()
730 .map(|p| p.user_id)
731 .collect::<Vec<_>>();
732
733 let (remote_participants, pending_participants) =
734 self.user_store.update(cx, move |user_store, cx| {
735 (
736 user_store.get_users(remote_participant_user_ids, cx),
737 user_store.get_users(pending_participant_user_ids, cx),
738 )
739 });
740
741 self.pending_room_update = Some(cx.spawn(|this, mut cx| async move {
742 let (remote_participants, pending_participants) =
743 futures::join!(remote_participants, pending_participants);
744
745 this.update(&mut cx, |this, cx| {
746 this.participant_user_ids.clear();
747
748 if let Some(participant) = local_participant {
749 let role = participant.role();
750 this.local_participant.projects = participant.projects;
751 if this.local_participant.role != role {
752 this.local_participant.role = role;
753
754 if role == proto::ChannelRole::Guest {
755 for project in mem::take(&mut this.shared_projects) {
756 if let Some(project) = project.upgrade() {
757 this.unshare_project(project, cx).log_err();
758 }
759 }
760 this.local_participant.projects.clear();
761 if let Some(live_kit_room) = &mut this.live_kit {
762 live_kit_room.stop_publishing(cx);
763 }
764 }
765
766 this.joined_projects.retain(|project| {
767 if let Some(project) = project.upgrade() {
768 project.update(cx, |project, cx| project.set_role(role, cx));
769 true
770 } else {
771 false
772 }
773 });
774 }
775 } else {
776 this.local_participant.projects.clear();
777 }
778
779 if let Some(participants) = remote_participants.log_err() {
780 for (participant, user) in room.participants.into_iter().zip(participants) {
781 let Some(peer_id) = participant.peer_id else {
782 continue;
783 };
784 let participant_index = ParticipantIndex(participant.participant_index);
785 this.participant_user_ids.insert(participant.user_id);
786
787 let old_projects = this
788 .remote_participants
789 .get(&participant.user_id)
790 .into_iter()
791 .flat_map(|existing| &existing.projects)
792 .map(|project| project.id)
793 .collect::<HashSet<_>>();
794 let new_projects = participant
795 .projects
796 .iter()
797 .map(|project| project.id)
798 .collect::<HashSet<_>>();
799
800 for project in &participant.projects {
801 if !old_projects.contains(&project.id) {
802 cx.emit(Event::RemoteProjectShared {
803 owner: user.clone(),
804 project_id: project.id,
805 worktree_root_names: project.worktree_root_names.clone(),
806 });
807 }
808 }
809
810 for unshared_project_id in old_projects.difference(&new_projects) {
811 this.joined_projects.retain(|project| {
812 if let Some(project) = project.upgrade() {
813 project.update(cx, |project, cx| {
814 if project.remote_id() == Some(*unshared_project_id) {
815 project.disconnected_from_host(cx);
816 false
817 } else {
818 true
819 }
820 })
821 } else {
822 false
823 }
824 });
825 cx.emit(Event::RemoteProjectUnshared {
826 project_id: *unshared_project_id,
827 });
828 }
829
830 let role = participant.role();
831 let location = ParticipantLocation::from_proto(participant.location)
832 .unwrap_or(ParticipantLocation::External);
833 if let Some(remote_participant) =
834 this.remote_participants.get_mut(&participant.user_id)
835 {
836 remote_participant.peer_id = peer_id;
837 remote_participant.projects = participant.projects;
838 remote_participant.participant_index = participant_index;
839 if location != remote_participant.location
840 || role != remote_participant.role
841 {
842 remote_participant.location = location;
843 remote_participant.role = role;
844 cx.emit(Event::ParticipantLocationChanged {
845 participant_id: peer_id,
846 });
847 }
848 } else {
849 this.remote_participants.insert(
850 participant.user_id,
851 RemoteParticipant {
852 user: user.clone(),
853 participant_index,
854 peer_id,
855 projects: participant.projects,
856 location,
857 role,
858 muted: true,
859 speaking: false,
860 video_tracks: Default::default(),
861 audio_tracks: Default::default(),
862 },
863 );
864
865 Audio::play_sound(Sound::Joined, cx);
866
867 if let Some(live_kit) = this.live_kit.as_ref() {
868 let video_tracks =
869 live_kit.room.remote_video_tracks(&user.id.to_string());
870 let audio_tracks =
871 live_kit.room.remote_audio_tracks(&user.id.to_string());
872 let publications = live_kit
873 .room
874 .remote_audio_track_publications(&user.id.to_string());
875
876 for track in video_tracks {
877 this.live_kit_room_updated(
878 RoomUpdate::SubscribedToRemoteVideoTrack(track),
879 cx,
880 )
881 .log_err();
882 }
883
884 for (track, publication) in
885 audio_tracks.iter().zip(publications.iter())
886 {
887 this.live_kit_room_updated(
888 RoomUpdate::SubscribedToRemoteAudioTrack(
889 track.clone(),
890 publication.clone(),
891 ),
892 cx,
893 )
894 .log_err();
895 }
896 }
897 }
898 }
899
900 this.remote_participants.retain(|user_id, participant| {
901 if this.participant_user_ids.contains(user_id) {
902 true
903 } else {
904 for project in &participant.projects {
905 cx.emit(Event::RemoteProjectUnshared {
906 project_id: project.id,
907 });
908 }
909 false
910 }
911 });
912 }
913
914 if let Some(pending_participants) = pending_participants.log_err() {
915 this.pending_participants = pending_participants;
916 for participant in &this.pending_participants {
917 this.participant_user_ids.insert(participant.id);
918 }
919 }
920
921 this.follows_by_leader_id_project_id.clear();
922 for follower in room.followers {
923 let project_id = follower.project_id;
924 let (leader, follower) = match (follower.leader_id, follower.follower_id) {
925 (Some(leader), Some(follower)) => (leader, follower),
926
927 _ => {
928 log::error!("Follower message {follower:?} missing some state");
929 continue;
930 }
931 };
932
933 let list = this
934 .follows_by_leader_id_project_id
935 .entry((leader, project_id))
936 .or_insert(Vec::new());
937 if !list.contains(&follower) {
938 list.push(follower);
939 }
940 }
941
942 this.pending_room_update.take();
943 if this.should_leave() {
944 log::info!("room is empty, leaving");
945 let _ = this.leave(cx).detach();
946 }
947
948 this.user_store.update(cx, |user_store, cx| {
949 let participant_indices_by_user_id = this
950 .remote_participants
951 .iter()
952 .map(|(user_id, participant)| (*user_id, participant.participant_index))
953 .collect();
954 user_store.set_participant_indices(participant_indices_by_user_id, cx);
955 });
956
957 this.check_invariants();
958 this.room_update_completed_tx.try_send(Some(())).ok();
959 cx.notify();
960 })
961 .ok();
962 }));
963
964 cx.notify();
965 Ok(())
966 }
967
968 pub fn room_update_completed(&mut self) -> impl Future<Output = ()> {
969 let mut done_rx = self.room_update_completed_rx.clone();
970 async move {
971 while let Some(result) = done_rx.next().await {
972 if result.is_some() {
973 break;
974 }
975 }
976 }
977 }
978
979 fn live_kit_room_updated(
980 &mut self,
981 update: RoomUpdate,
982 cx: &mut ModelContext<Self>,
983 ) -> Result<()> {
984 match update {
985 RoomUpdate::SubscribedToRemoteVideoTrack(track) => {
986 let user_id = track.publisher_id().parse()?;
987 let track_id = track.sid().to_string();
988 let participant = self
989 .remote_participants
990 .get_mut(&user_id)
991 .ok_or_else(|| anyhow!("subscribed to track by unknown participant"))?;
992 participant.video_tracks.insert(track_id.clone(), track);
993 cx.emit(Event::RemoteVideoTracksChanged {
994 participant_id: participant.peer_id,
995 });
996 }
997
998 RoomUpdate::UnsubscribedFromRemoteVideoTrack {
999 publisher_id,
1000 track_id,
1001 } => {
1002 let user_id = publisher_id.parse()?;
1003 let participant = self
1004 .remote_participants
1005 .get_mut(&user_id)
1006 .ok_or_else(|| anyhow!("unsubscribed from track by unknown participant"))?;
1007 participant.video_tracks.remove(&track_id);
1008 cx.emit(Event::RemoteVideoTracksChanged {
1009 participant_id: participant.peer_id,
1010 });
1011 }
1012
1013 RoomUpdate::ActiveSpeakersChanged { speakers } => {
1014 let mut speaker_ids = speakers
1015 .into_iter()
1016 .filter_map(|speaker_sid| speaker_sid.parse().ok())
1017 .collect::<Vec<u64>>();
1018 speaker_ids.sort_unstable();
1019 for (sid, participant) in &mut self.remote_participants {
1020 if let Ok(_) = speaker_ids.binary_search(sid) {
1021 participant.speaking = true;
1022 } else {
1023 participant.speaking = false;
1024 }
1025 }
1026 if let Some(id) = self.client.user_id() {
1027 if let Some(room) = &mut self.live_kit {
1028 if let Ok(_) = speaker_ids.binary_search(&id) {
1029 room.speaking = true;
1030 } else {
1031 room.speaking = false;
1032 }
1033 }
1034 }
1035 }
1036
1037 RoomUpdate::RemoteAudioTrackMuteChanged { track_id, muted } => {
1038 let mut found = false;
1039 for participant in &mut self.remote_participants.values_mut() {
1040 for track in participant.audio_tracks.values() {
1041 if track.sid() == track_id {
1042 found = true;
1043 break;
1044 }
1045 }
1046 if found {
1047 participant.muted = muted;
1048 break;
1049 }
1050 }
1051 }
1052
1053 RoomUpdate::SubscribedToRemoteAudioTrack(track, publication) => {
1054 if let Some(live_kit) = &self.live_kit {
1055 if live_kit.deafened {
1056 track.stop();
1057 cx.foreground_executor()
1058 .spawn(publication.set_enabled(false))
1059 .detach();
1060 }
1061 }
1062
1063 let user_id = track.publisher_id().parse()?;
1064 let track_id = track.sid().to_string();
1065 let participant = self
1066 .remote_participants
1067 .get_mut(&user_id)
1068 .ok_or_else(|| anyhow!("subscribed to track by unknown participant"))?;
1069 participant.audio_tracks.insert(track_id.clone(), track);
1070 participant.muted = publication.is_muted();
1071
1072 cx.emit(Event::RemoteAudioTracksChanged {
1073 participant_id: participant.peer_id,
1074 });
1075 }
1076
1077 RoomUpdate::UnsubscribedFromRemoteAudioTrack {
1078 publisher_id,
1079 track_id,
1080 } => {
1081 let user_id = publisher_id.parse()?;
1082 let participant = self
1083 .remote_participants
1084 .get_mut(&user_id)
1085 .ok_or_else(|| anyhow!("unsubscribed from track by unknown participant"))?;
1086 participant.audio_tracks.remove(&track_id);
1087 cx.emit(Event::RemoteAudioTracksChanged {
1088 participant_id: participant.peer_id,
1089 });
1090 }
1091
1092 RoomUpdate::LocalAudioTrackUnpublished { publication } => {
1093 log::info!("unpublished audio track {}", publication.sid());
1094 if let Some(room) = &mut self.live_kit {
1095 room.microphone_track = LocalTrack::None;
1096 }
1097 }
1098
1099 RoomUpdate::LocalVideoTrackUnpublished { publication } => {
1100 log::info!("unpublished video track {}", publication.sid());
1101 if let Some(room) = &mut self.live_kit {
1102 room.screen_track = LocalTrack::None;
1103 }
1104 }
1105
1106 RoomUpdate::LocalAudioTrackPublished { publication } => {
1107 log::info!("published audio track {}", publication.sid());
1108 }
1109
1110 RoomUpdate::LocalVideoTrackPublished { publication } => {
1111 log::info!("published video track {}", publication.sid());
1112 }
1113 }
1114
1115 cx.notify();
1116 Ok(())
1117 }
1118
1119 fn check_invariants(&self) {
1120 #[cfg(any(test, feature = "test-support"))]
1121 {
1122 for participant in self.remote_participants.values() {
1123 assert!(self.participant_user_ids.contains(&participant.user.id));
1124 assert_ne!(participant.user.id, self.client.user_id().unwrap());
1125 }
1126
1127 for participant in &self.pending_participants {
1128 assert!(self.participant_user_ids.contains(&participant.id));
1129 assert_ne!(participant.id, self.client.user_id().unwrap());
1130 }
1131
1132 assert_eq!(
1133 self.participant_user_ids.len(),
1134 self.remote_participants.len() + self.pending_participants.len()
1135 );
1136 }
1137 }
1138
1139 pub(crate) fn call(
1140 &mut self,
1141 called_user_id: u64,
1142 initial_project_id: Option<u64>,
1143 cx: &mut ModelContext<Self>,
1144 ) -> Task<Result<()>> {
1145 if self.status.is_offline() {
1146 return Task::ready(Err(anyhow!("room is offline")));
1147 }
1148
1149 cx.notify();
1150 let client = self.client.clone();
1151 let room_id = self.id;
1152 self.pending_call_count += 1;
1153 cx.spawn(move |this, mut cx| async move {
1154 let result = client
1155 .request(proto::Call {
1156 room_id,
1157 called_user_id,
1158 initial_project_id,
1159 })
1160 .await;
1161 this.update(&mut cx, |this, cx| {
1162 this.pending_call_count -= 1;
1163 if this.should_leave() {
1164 this.leave(cx).detach_and_log_err(cx);
1165 }
1166 })?;
1167 result?;
1168 Ok(())
1169 })
1170 }
1171
1172 pub fn join_project(
1173 &mut self,
1174 id: u64,
1175 language_registry: Arc<LanguageRegistry>,
1176 fs: Arc<dyn Fs>,
1177 cx: &mut ModelContext<Self>,
1178 ) -> Task<Result<Model<Project>>> {
1179 let client = self.client.clone();
1180 let user_store = self.user_store.clone();
1181 cx.emit(Event::RemoteProjectJoined { project_id: id });
1182 cx.spawn(move |this, mut cx| async move {
1183 let project =
1184 Project::in_room(id, client, user_store, language_registry, fs, cx.clone()).await?;
1185
1186 this.update(&mut cx, |this, cx| {
1187 this.joined_projects.retain(|project| {
1188 if let Some(project) = project.upgrade() {
1189 !project.read(cx).is_disconnected()
1190 } else {
1191 false
1192 }
1193 });
1194 this.joined_projects.insert(project.downgrade());
1195 })?;
1196 Ok(project)
1197 })
1198 }
1199
1200 pub fn share_project(
1201 &mut self,
1202 project: Model<Project>,
1203 cx: &mut ModelContext<Self>,
1204 ) -> Task<Result<u64>> {
1205 let request = if let Some(dev_server_project_id) = project.read(cx).dev_server_project_id()
1206 {
1207 self.client.request(proto::ShareProject {
1208 room_id: self.id(),
1209 worktrees: vec![],
1210 dev_server_project_id: Some(dev_server_project_id.0),
1211 })
1212 } else {
1213 if let Some(project_id) = project.read(cx).remote_id() {
1214 return Task::ready(Ok(project_id));
1215 }
1216
1217 self.client.request(proto::ShareProject {
1218 room_id: self.id(),
1219 worktrees: project.read(cx).worktree_metadata_protos(cx),
1220 dev_server_project_id: None,
1221 })
1222 };
1223
1224 cx.spawn(|this, mut cx| async move {
1225 let response = request.await?;
1226
1227 project.update(&mut cx, |project, cx| {
1228 project.shared(response.project_id, cx)
1229 })??;
1230
1231 // If the user's location is in this project, it changes from UnsharedProject to SharedProject.
1232 this.update(&mut cx, |this, cx| {
1233 this.shared_projects.insert(project.downgrade());
1234 let active_project = this.local_participant.active_project.as_ref();
1235 if active_project.map_or(false, |location| *location == project) {
1236 this.set_location(Some(&project), cx)
1237 } else {
1238 Task::ready(Ok(()))
1239 }
1240 })?
1241 .await?;
1242
1243 Ok(response.project_id)
1244 })
1245 }
1246
1247 pub(crate) fn unshare_project(
1248 &mut self,
1249 project: Model<Project>,
1250 cx: &mut ModelContext<Self>,
1251 ) -> Result<()> {
1252 let project_id = match project.read(cx).remote_id() {
1253 Some(project_id) => project_id,
1254 None => return Ok(()),
1255 };
1256
1257 self.client.send(proto::UnshareProject { project_id })?;
1258 project.update(cx, |this, cx| this.unshare(cx))?;
1259
1260 if self.local_participant.active_project == Some(project.downgrade()) {
1261 self.set_location(Some(&project), cx).detach_and_log_err(cx);
1262 }
1263 Ok(())
1264 }
1265
1266 pub(crate) fn set_location(
1267 &mut self,
1268 project: Option<&Model<Project>>,
1269 cx: &mut ModelContext<Self>,
1270 ) -> Task<Result<()>> {
1271 if self.status.is_offline() {
1272 return Task::ready(Err(anyhow!("room is offline")));
1273 }
1274
1275 let client = self.client.clone();
1276 let room_id = self.id;
1277 let location = if let Some(project) = project {
1278 self.local_participant.active_project = Some(project.downgrade());
1279 if let Some(project_id) = project.read(cx).remote_id() {
1280 proto::participant_location::Variant::SharedProject(
1281 proto::participant_location::SharedProject { id: project_id },
1282 )
1283 } else {
1284 proto::participant_location::Variant::UnsharedProject(
1285 proto::participant_location::UnsharedProject {},
1286 )
1287 }
1288 } else {
1289 self.local_participant.active_project = None;
1290 proto::participant_location::Variant::External(proto::participant_location::External {})
1291 };
1292
1293 cx.notify();
1294 cx.background_executor().spawn(async move {
1295 client
1296 .request(proto::UpdateParticipantLocation {
1297 room_id,
1298 location: Some(proto::ParticipantLocation {
1299 variant: Some(location),
1300 }),
1301 })
1302 .await?;
1303 Ok(())
1304 })
1305 }
1306
1307 pub fn is_screen_sharing(&self) -> bool {
1308 self.live_kit.as_ref().map_or(false, |live_kit| {
1309 !matches!(live_kit.screen_track, LocalTrack::None)
1310 })
1311 }
1312
1313 pub fn is_sharing_mic(&self) -> bool {
1314 self.live_kit.as_ref().map_or(false, |live_kit| {
1315 !matches!(live_kit.microphone_track, LocalTrack::None)
1316 })
1317 }
1318
1319 pub fn is_muted(&self) -> bool {
1320 self.live_kit.as_ref().map_or(false, |live_kit| {
1321 matches!(live_kit.microphone_track, LocalTrack::None)
1322 || live_kit.muted_by_user
1323 || live_kit.deafened
1324 })
1325 }
1326
1327 pub fn is_speaking(&self) -> bool {
1328 self.live_kit
1329 .as_ref()
1330 .map_or(false, |live_kit| live_kit.speaking)
1331 }
1332
1333 pub fn is_deafened(&self) -> Option<bool> {
1334 self.live_kit.as_ref().map(|live_kit| live_kit.deafened)
1335 }
1336
1337 pub fn can_use_microphone(&self) -> bool {
1338 use proto::ChannelRole::*;
1339 match self.local_participant.role {
1340 Admin | Member | Talker => true,
1341 Guest | Banned => false,
1342 }
1343 }
1344
1345 pub fn can_share_projects(&self) -> bool {
1346 use proto::ChannelRole::*;
1347 match self.local_participant.role {
1348 Admin | Member => true,
1349 Guest | Banned | Talker => false,
1350 }
1351 }
1352
1353 #[track_caller]
1354 pub fn share_microphone(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
1355 if self.status.is_offline() {
1356 return Task::ready(Err(anyhow!("room is offline")));
1357 }
1358
1359 let publish_id = if let Some(live_kit) = self.live_kit.as_mut() {
1360 let publish_id = post_inc(&mut live_kit.next_publish_id);
1361 live_kit.microphone_track = LocalTrack::Pending { publish_id };
1362 cx.notify();
1363 publish_id
1364 } else {
1365 return Task::ready(Err(anyhow!("live-kit was not initialized")));
1366 };
1367
1368 cx.spawn(move |this, mut cx| async move {
1369 let publish_track = async {
1370 let track = LocalAudioTrack::create();
1371 this.upgrade()
1372 .ok_or_else(|| anyhow!("room was dropped"))?
1373 .update(&mut cx, |this, _| {
1374 this.live_kit
1375 .as_ref()
1376 .map(|live_kit| live_kit.room.publish_audio_track(track))
1377 })?
1378 .ok_or_else(|| anyhow!("live-kit was not initialized"))?
1379 .await
1380 };
1381 let publication = publish_track.await;
1382 this.upgrade()
1383 .ok_or_else(|| anyhow!("room was dropped"))?
1384 .update(&mut cx, |this, cx| {
1385 let live_kit = this
1386 .live_kit
1387 .as_mut()
1388 .ok_or_else(|| anyhow!("live-kit was not initialized"))?;
1389
1390 let canceled = if let LocalTrack::Pending {
1391 publish_id: cur_publish_id,
1392 } = &live_kit.microphone_track
1393 {
1394 *cur_publish_id != publish_id
1395 } else {
1396 true
1397 };
1398
1399 match publication {
1400 Ok(publication) => {
1401 if canceled {
1402 live_kit.room.unpublish_track(publication);
1403 } else {
1404 if live_kit.muted_by_user || live_kit.deafened {
1405 cx.background_executor()
1406 .spawn(publication.set_mute(true))
1407 .detach();
1408 }
1409 live_kit.microphone_track = LocalTrack::Published {
1410 track_publication: publication,
1411 };
1412 cx.notify();
1413 }
1414 Ok(())
1415 }
1416 Err(error) => {
1417 if canceled {
1418 Ok(())
1419 } else {
1420 live_kit.microphone_track = LocalTrack::None;
1421 cx.notify();
1422 Err(error)
1423 }
1424 }
1425 }
1426 })?
1427 })
1428 }
1429
1430 pub fn share_screen(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
1431 if self.status.is_offline() {
1432 return Task::ready(Err(anyhow!("room is offline")));
1433 } else if self.is_screen_sharing() {
1434 return Task::ready(Err(anyhow!("screen was already shared")));
1435 }
1436
1437 let (displays, publish_id) = if let Some(live_kit) = self.live_kit.as_mut() {
1438 let publish_id = post_inc(&mut live_kit.next_publish_id);
1439 live_kit.screen_track = LocalTrack::Pending { publish_id };
1440 cx.notify();
1441 (live_kit.room.display_sources(), publish_id)
1442 } else {
1443 return Task::ready(Err(anyhow!("live-kit was not initialized")));
1444 };
1445
1446 cx.spawn(move |this, mut cx| async move {
1447 let publish_track = async {
1448 let displays = displays.await?;
1449 let display = displays
1450 .first()
1451 .ok_or_else(|| anyhow!("no display found"))?;
1452 let track = LocalVideoTrack::screen_share_for_display(display);
1453 this.upgrade()
1454 .ok_or_else(|| anyhow!("room was dropped"))?
1455 .update(&mut cx, |this, _| {
1456 this.live_kit
1457 .as_ref()
1458 .map(|live_kit| live_kit.room.publish_video_track(track))
1459 })?
1460 .ok_or_else(|| anyhow!("live-kit was not initialized"))?
1461 .await
1462 };
1463
1464 let publication = publish_track.await;
1465 this.upgrade()
1466 .ok_or_else(|| anyhow!("room was dropped"))?
1467 .update(&mut cx, |this, cx| {
1468 let live_kit = this
1469 .live_kit
1470 .as_mut()
1471 .ok_or_else(|| anyhow!("live-kit was not initialized"))?;
1472
1473 let canceled = if let LocalTrack::Pending {
1474 publish_id: cur_publish_id,
1475 } = &live_kit.screen_track
1476 {
1477 *cur_publish_id != publish_id
1478 } else {
1479 true
1480 };
1481
1482 match publication {
1483 Ok(publication) => {
1484 if canceled {
1485 live_kit.room.unpublish_track(publication);
1486 } else {
1487 live_kit.screen_track = LocalTrack::Published {
1488 track_publication: publication,
1489 };
1490 cx.notify();
1491 }
1492
1493 Audio::play_sound(Sound::StartScreenshare, cx);
1494
1495 Ok(())
1496 }
1497 Err(error) => {
1498 if canceled {
1499 Ok(())
1500 } else {
1501 live_kit.screen_track = LocalTrack::None;
1502 cx.notify();
1503 Err(error)
1504 }
1505 }
1506 }
1507 })?
1508 })
1509 }
1510
1511 pub fn toggle_mute(&mut self, cx: &mut ModelContext<Self>) {
1512 if let Some(live_kit) = self.live_kit.as_mut() {
1513 // When unmuting, undeafen if the user was deafened before.
1514 let was_deafened = live_kit.deafened;
1515 if live_kit.muted_by_user
1516 || live_kit.deafened
1517 || matches!(live_kit.microphone_track, LocalTrack::None)
1518 {
1519 live_kit.muted_by_user = false;
1520 live_kit.deafened = false;
1521 } else {
1522 live_kit.muted_by_user = true;
1523 }
1524 let muted = live_kit.muted_by_user;
1525 let should_undeafen = was_deafened && !live_kit.deafened;
1526
1527 if let Some(task) = self.set_mute(muted, cx) {
1528 task.detach_and_log_err(cx);
1529 }
1530
1531 if should_undeafen {
1532 if let Some(task) = self.set_deafened(false, cx) {
1533 task.detach_and_log_err(cx);
1534 }
1535 }
1536 }
1537 }
1538
1539 pub fn toggle_deafen(&mut self, cx: &mut ModelContext<Self>) {
1540 if let Some(live_kit) = self.live_kit.as_mut() {
1541 // When deafening, mute the microphone if it was not already muted.
1542 // When un-deafening, unmute the microphone, unless it was explicitly muted.
1543 let deafened = !live_kit.deafened;
1544 live_kit.deafened = deafened;
1545 let should_change_mute = !live_kit.muted_by_user;
1546
1547 if let Some(task) = self.set_deafened(deafened, cx) {
1548 task.detach_and_log_err(cx);
1549 }
1550
1551 if should_change_mute {
1552 if let Some(task) = self.set_mute(deafened, cx) {
1553 task.detach_and_log_err(cx);
1554 }
1555 }
1556 }
1557 }
1558
1559 pub fn unshare_screen(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
1560 if self.status.is_offline() {
1561 return Err(anyhow!("room is offline"));
1562 }
1563
1564 let live_kit = self
1565 .live_kit
1566 .as_mut()
1567 .ok_or_else(|| anyhow!("live-kit was not initialized"))?;
1568 match mem::take(&mut live_kit.screen_track) {
1569 LocalTrack::None => Err(anyhow!("screen was not shared")),
1570 LocalTrack::Pending { .. } => {
1571 cx.notify();
1572 Ok(())
1573 }
1574 LocalTrack::Published {
1575 track_publication, ..
1576 } => {
1577 live_kit.room.unpublish_track(track_publication);
1578 cx.notify();
1579
1580 Audio::play_sound(Sound::StopScreenshare, cx);
1581 Ok(())
1582 }
1583 }
1584 }
1585
1586 fn set_deafened(
1587 &mut self,
1588 deafened: bool,
1589 cx: &mut ModelContext<Self>,
1590 ) -> Option<Task<Result<()>>> {
1591 let live_kit = self.live_kit.as_mut()?;
1592 cx.notify();
1593
1594 let mut track_updates = Vec::new();
1595 for participant in self.remote_participants.values() {
1596 for publication in live_kit
1597 .room
1598 .remote_audio_track_publications(&participant.user.id.to_string())
1599 {
1600 track_updates.push(publication.set_enabled(!deafened));
1601 }
1602
1603 for track in participant.audio_tracks.values() {
1604 if deafened {
1605 track.stop();
1606 } else {
1607 track.start();
1608 }
1609 }
1610 }
1611
1612 Some(cx.foreground_executor().spawn(async move {
1613 for result in futures::future::join_all(track_updates).await {
1614 result?;
1615 }
1616 Ok(())
1617 }))
1618 }
1619
1620 fn set_mute(
1621 &mut self,
1622 should_mute: bool,
1623 cx: &mut ModelContext<Room>,
1624 ) -> Option<Task<Result<()>>> {
1625 let live_kit = self.live_kit.as_mut()?;
1626 cx.notify();
1627
1628 if should_mute {
1629 Audio::play_sound(Sound::Mute, cx);
1630 } else {
1631 Audio::play_sound(Sound::Unmute, cx);
1632 }
1633
1634 match &mut live_kit.microphone_track {
1635 LocalTrack::None => {
1636 if should_mute {
1637 None
1638 } else {
1639 Some(self.share_microphone(cx))
1640 }
1641 }
1642 LocalTrack::Pending { .. } => None,
1643 LocalTrack::Published { track_publication } => Some(
1644 cx.foreground_executor()
1645 .spawn(track_publication.set_mute(should_mute)),
1646 ),
1647 }
1648 }
1649
1650 #[cfg(any(test, feature = "test-support"))]
1651 pub fn set_display_sources(&self, sources: Vec<live_kit_client::MacOSDisplay>) {
1652 self.live_kit
1653 .as_ref()
1654 .unwrap()
1655 .room
1656 .set_display_sources(sources);
1657 }
1658}
1659
1660struct LiveKitRoom {
1661 room: Arc<live_kit_client::Room>,
1662 screen_track: LocalTrack,
1663 microphone_track: LocalTrack,
1664 /// Tracks whether we're currently in a muted state due to auto-mute from deafening or manual mute performed by user.
1665 muted_by_user: bool,
1666 deafened: bool,
1667 speaking: bool,
1668 next_publish_id: usize,
1669 _maintain_room: Task<()>,
1670 _handle_updates: Task<()>,
1671}
1672
1673impl LiveKitRoom {
1674 fn stop_publishing(&mut self, cx: &mut ModelContext<Room>) {
1675 if let LocalTrack::Published {
1676 track_publication, ..
1677 } = mem::replace(&mut self.microphone_track, LocalTrack::None)
1678 {
1679 self.room.unpublish_track(track_publication);
1680 cx.notify();
1681 }
1682
1683 if let LocalTrack::Published {
1684 track_publication, ..
1685 } = mem::replace(&mut self.screen_track, LocalTrack::None)
1686 {
1687 self.room.unpublish_track(track_publication);
1688 cx.notify();
1689 }
1690 }
1691}
1692
1693enum LocalTrack {
1694 None,
1695 Pending {
1696 publish_id: usize,
1697 },
1698 Published {
1699 track_publication: LocalTrackPublication,
1700 },
1701}
1702
1703impl Default for LocalTrack {
1704 fn default() -> Self {
1705 Self::None
1706 }
1707}
1708
1709#[derive(Copy, Clone, PartialEq, Eq)]
1710pub enum RoomStatus {
1711 Online,
1712 Rejoining,
1713 Offline,
1714}
1715
1716impl RoomStatus {
1717 pub fn is_offline(&self) -> bool {
1718 matches!(self, RoomStatus::Offline)
1719 }
1720
1721 pub fn is_online(&self) -> bool {
1722 matches!(self, RoomStatus::Online)
1723 }
1724}