1mod participant;
2pub mod room;
3
4use anyhow::{anyhow, Result};
5use client::{proto, Client, TypedEnvelope, User, UserStore};
6use gpui::{
7 AppContext, AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext,
8 Subscription, Task,
9};
10pub use participant::ParticipantLocation;
11use postage::watch;
12use project::Project;
13pub use room::Room;
14use std::sync::Arc;
15
16pub fn init(client: Arc<Client>, user_store: ModelHandle<UserStore>, cx: &mut MutableAppContext) {
17 let active_call = cx.add_model(|cx| ActiveCall::new(client, user_store, cx));
18 cx.set_global(active_call);
19}
20
21#[derive(Clone)]
22pub struct IncomingCall {
23 pub room_id: u64,
24 pub caller: Arc<User>,
25 pub participants: Vec<Arc<User>>,
26 pub initial_project: Option<proto::ParticipantProject>,
27}
28
29pub struct ActiveCall {
30 room: Option<(ModelHandle<Room>, Vec<Subscription>)>,
31 incoming_call: (
32 watch::Sender<Option<IncomingCall>>,
33 watch::Receiver<Option<IncomingCall>>,
34 ),
35 client: Arc<Client>,
36 user_store: ModelHandle<UserStore>,
37 _subscriptions: Vec<client::Subscription>,
38}
39
40impl Entity for ActiveCall {
41 type Event = room::Event;
42}
43
44impl ActiveCall {
45 fn new(
46 client: Arc<Client>,
47 user_store: ModelHandle<UserStore>,
48 cx: &mut ModelContext<Self>,
49 ) -> Self {
50 Self {
51 room: None,
52 incoming_call: watch::channel(),
53 _subscriptions: vec![
54 client.add_request_handler(cx.handle(), Self::handle_incoming_call),
55 client.add_message_handler(cx.handle(), Self::handle_call_canceled),
56 ],
57 client,
58 user_store,
59 }
60 }
61
62 async fn handle_incoming_call(
63 this: ModelHandle<Self>,
64 envelope: TypedEnvelope<proto::IncomingCall>,
65 _: Arc<Client>,
66 mut cx: AsyncAppContext,
67 ) -> Result<proto::Ack> {
68 let user_store = this.read_with(&cx, |this, _| this.user_store.clone());
69 let call = IncomingCall {
70 room_id: envelope.payload.room_id,
71 participants: user_store
72 .update(&mut cx, |user_store, cx| {
73 user_store.get_users(envelope.payload.participant_user_ids, cx)
74 })
75 .await?,
76 caller: user_store
77 .update(&mut cx, |user_store, cx| {
78 user_store.get_user(envelope.payload.caller_user_id, cx)
79 })
80 .await?,
81 initial_project: envelope.payload.initial_project,
82 };
83 this.update(&mut cx, |this, _| {
84 *this.incoming_call.0.borrow_mut() = Some(call);
85 });
86
87 Ok(proto::Ack {})
88 }
89
90 async fn handle_call_canceled(
91 this: ModelHandle<Self>,
92 _: TypedEnvelope<proto::CallCanceled>,
93 _: Arc<Client>,
94 mut cx: AsyncAppContext,
95 ) -> Result<()> {
96 this.update(&mut cx, |this, _| {
97 *this.incoming_call.0.borrow_mut() = None;
98 });
99 Ok(())
100 }
101
102 pub fn global(cx: &AppContext) -> ModelHandle<Self> {
103 cx.global::<ModelHandle<Self>>().clone()
104 }
105
106 pub fn invite(
107 &mut self,
108 recipient_user_id: u64,
109 initial_project: Option<ModelHandle<Project>>,
110 cx: &mut ModelContext<Self>,
111 ) -> Task<Result<()>> {
112 let client = self.client.clone();
113 let user_store = self.user_store.clone();
114 cx.spawn(|this, mut cx| async move {
115 if let Some(room) = this.read_with(&cx, |this, _| this.room().cloned()) {
116 let initial_project_id = if let Some(initial_project) = initial_project {
117 Some(
118 room.update(&mut cx, |room, cx| room.share_project(initial_project, cx))
119 .await?,
120 )
121 } else {
122 None
123 };
124
125 room.update(&mut cx, |room, cx| {
126 room.call(recipient_user_id, initial_project_id, cx)
127 })
128 .await?;
129 } else {
130 let room = cx
131 .update(|cx| {
132 Room::create(recipient_user_id, initial_project, client, user_store, cx)
133 })
134 .await?;
135 this.update(&mut cx, |this, cx| this.set_room(Some(room), cx));
136 };
137
138 Ok(())
139 })
140 }
141
142 pub fn cancel_invite(
143 &mut self,
144 recipient_user_id: u64,
145 cx: &mut ModelContext<Self>,
146 ) -> Task<Result<()>> {
147 let room_id = if let Some(room) = self.room() {
148 room.read(cx).id()
149 } else {
150 return Task::ready(Err(anyhow!("no active call")));
151 };
152
153 let client = self.client.clone();
154 cx.foreground().spawn(async move {
155 client
156 .request(proto::CancelCall {
157 room_id,
158 recipient_user_id,
159 })
160 .await?;
161 anyhow::Ok(())
162 })
163 }
164
165 pub fn incoming(&self) -> watch::Receiver<Option<IncomingCall>> {
166 self.incoming_call.1.clone()
167 }
168
169 pub fn accept_incoming(&mut self, cx: &mut ModelContext<Self>) -> Task<Result<()>> {
170 if self.room.is_some() {
171 return Task::ready(Err(anyhow!("cannot join while on another call")));
172 }
173
174 let call = if let Some(call) = self.incoming_call.1.borrow().clone() {
175 call
176 } else {
177 return Task::ready(Err(anyhow!("no incoming call")));
178 };
179
180 let join = Room::join(&call, self.client.clone(), self.user_store.clone(), cx);
181 cx.spawn(|this, mut cx| async move {
182 let room = join.await?;
183 this.update(&mut cx, |this, cx| this.set_room(Some(room.clone()), cx));
184 Ok(())
185 })
186 }
187
188 pub fn decline_incoming(&mut self) -> Result<()> {
189 let call = self
190 .incoming_call
191 .0
192 .borrow_mut()
193 .take()
194 .ok_or_else(|| anyhow!("no incoming call"))?;
195 self.client.send(proto::DeclineCall {
196 room_id: call.room_id,
197 })?;
198 Ok(())
199 }
200
201 pub fn hang_up(&mut self, cx: &mut ModelContext<Self>) -> Result<()> {
202 if let Some((room, _)) = self.room.take() {
203 room.update(cx, |room, cx| room.leave(cx))?;
204 cx.notify();
205 }
206 Ok(())
207 }
208
209 pub fn share_project(
210 &mut self,
211 project: ModelHandle<Project>,
212 cx: &mut ModelContext<Self>,
213 ) -> Task<Result<u64>> {
214 if let Some((room, _)) = self.room.as_ref() {
215 room.update(cx, |room, cx| room.share_project(project, cx))
216 } else {
217 Task::ready(Err(anyhow!("no active call")))
218 }
219 }
220
221 pub fn set_location(
222 &mut self,
223 project: Option<&ModelHandle<Project>>,
224 cx: &mut ModelContext<Self>,
225 ) -> Task<Result<()>> {
226 if let Some((room, _)) = self.room.as_ref() {
227 room.update(cx, |room, cx| room.set_location(project, cx))
228 } else {
229 Task::ready(Err(anyhow!("no active call")))
230 }
231 }
232
233 fn set_room(&mut self, room: Option<ModelHandle<Room>>, cx: &mut ModelContext<Self>) {
234 if room.as_ref() != self.room.as_ref().map(|room| &room.0) {
235 if let Some(room) = room {
236 if room.read(cx).status().is_offline() {
237 self.room = None;
238 } else {
239 let subscriptions = vec![
240 cx.observe(&room, |this, room, cx| {
241 if room.read(cx).status().is_offline() {
242 this.set_room(None, cx);
243 }
244
245 cx.notify();
246 }),
247 cx.subscribe(&room, |_, _, event, cx| cx.emit(event.clone())),
248 ];
249 self.room = Some((room, subscriptions));
250 }
251 } else {
252 self.room = None;
253 }
254 cx.notify();
255 }
256 }
257
258 pub fn room(&self) -> Option<&ModelHandle<Room>> {
259 self.room.as_ref().map(|(room, _)| room)
260 }
261}