1use crate::{Toast, Workspace};
2use collections::HashMap;
3use gpui::{
4 svg, AnyView, AppContext, AsyncWindowContext, DismissEvent, Entity, EntityId, EventEmitter,
5 Global, PromptLevel, Render, Task, View, ViewContext, VisualContext, WindowContext,
6};
7use language::DiagnosticSeverity;
8
9use std::{any::TypeId, ops::DerefMut};
10use ui::prelude::*;
11use util::ResultExt;
12
13pub fn init(cx: &mut AppContext) {
14 cx.set_global(NotificationTracker::new());
15}
16
17pub trait Notification: EventEmitter<DismissEvent> + Render {}
18
19impl<V: EventEmitter<DismissEvent> + Render> Notification for V {}
20
21pub trait NotificationHandle: Send {
22 fn id(&self) -> EntityId;
23 fn to_any(&self) -> AnyView;
24}
25
26impl<T: Notification> NotificationHandle for View<T> {
27 fn id(&self) -> EntityId {
28 self.entity_id()
29 }
30
31 fn to_any(&self) -> AnyView {
32 self.clone().into()
33 }
34}
35
36impl From<&dyn NotificationHandle> for AnyView {
37 fn from(val: &dyn NotificationHandle) -> Self {
38 val.to_any()
39 }
40}
41
42pub(crate) struct NotificationTracker {
43 notifications_sent: HashMap<TypeId, Vec<usize>>,
44}
45
46impl Global for NotificationTracker {}
47
48impl std::ops::Deref for NotificationTracker {
49 type Target = HashMap<TypeId, Vec<usize>>;
50
51 fn deref(&self) -> &Self::Target {
52 &self.notifications_sent
53 }
54}
55
56impl DerefMut for NotificationTracker {
57 fn deref_mut(&mut self) -> &mut Self::Target {
58 &mut self.notifications_sent
59 }
60}
61
62impl NotificationTracker {
63 fn new() -> Self {
64 Self {
65 notifications_sent: Default::default(),
66 }
67 }
68}
69
70impl Workspace {
71 pub fn has_shown_notification_once<V: Notification>(
72 &self,
73 id: usize,
74 cx: &ViewContext<Self>,
75 ) -> bool {
76 cx.global::<NotificationTracker>()
77 .get(&TypeId::of::<V>())
78 .map(|ids| ids.contains(&id))
79 .unwrap_or(false)
80 }
81
82 pub fn show_notification_once<V: Notification>(
83 &mut self,
84 id: usize,
85 cx: &mut ViewContext<Self>,
86 build_notification: impl FnOnce(&mut ViewContext<Self>) -> View<V>,
87 ) {
88 if !self.has_shown_notification_once::<V>(id, cx) {
89 let tracker = cx.global_mut::<NotificationTracker>();
90 let entry = tracker.entry(TypeId::of::<V>()).or_default();
91 entry.push(id);
92 self.show_notification::<V>(id, cx, build_notification)
93 }
94 }
95
96 pub fn show_notification<V: Notification>(
97 &mut self,
98 id: usize,
99 cx: &mut ViewContext<Self>,
100 build_notification: impl FnOnce(&mut ViewContext<Self>) -> View<V>,
101 ) {
102 let type_id = TypeId::of::<V>();
103 if self
104 .notifications
105 .iter()
106 .all(|(existing_type_id, existing_id, _)| {
107 (*existing_type_id, *existing_id) != (type_id, id)
108 })
109 {
110 let notification = build_notification(cx);
111 cx.subscribe(¬ification, move |this, _, _: &DismissEvent, cx| {
112 this.dismiss_notification_internal(type_id, id, cx);
113 })
114 .detach();
115 self.notifications
116 .push((type_id, id, Box::new(notification)));
117 cx.notify();
118 }
119 }
120
121 pub fn show_error<E>(&mut self, err: &E, cx: &mut ViewContext<Self>)
122 where
123 E: std::fmt::Debug,
124 {
125 self.show_notification(0, cx, |cx| {
126 cx.new_view(|_cx| {
127 simple_message_notification::MessageNotification::new(format!("Error: {err:?}"))
128 })
129 });
130 }
131
132 pub fn dismiss_notification<V: Notification>(&mut self, id: usize, cx: &mut ViewContext<Self>) {
133 let type_id = TypeId::of::<V>();
134
135 self.dismiss_notification_internal(type_id, id, cx)
136 }
137
138 pub fn show_toast(&mut self, toast: Toast, cx: &mut ViewContext<Self>) {
139 self.dismiss_notification::<simple_message_notification::MessageNotification>(toast.id, cx);
140 self.show_notification(toast.id, cx, |cx| {
141 cx.new_view(|_cx| match toast.on_click.as_ref() {
142 Some((click_msg, on_click)) => {
143 let on_click = on_click.clone();
144 simple_message_notification::MessageNotification::new(toast.msg.clone())
145 .with_click_message(click_msg.clone())
146 .on_click(move |cx| on_click(cx))
147 }
148 None => simple_message_notification::MessageNotification::new(toast.msg.clone()),
149 })
150 })
151 }
152
153 pub fn dismiss_toast(&mut self, id: usize, cx: &mut ViewContext<Self>) {
154 self.dismiss_notification::<simple_message_notification::MessageNotification>(id, cx);
155 }
156
157 fn dismiss_notification_internal(
158 &mut self,
159 type_id: TypeId,
160 id: usize,
161 cx: &mut ViewContext<Self>,
162 ) {
163 self.notifications
164 .retain(|(existing_type_id, existing_id, _)| {
165 if (*existing_type_id, *existing_id) == (type_id, id) {
166 cx.notify();
167 false
168 } else {
169 true
170 }
171 });
172 }
173}
174
175pub struct LanguageServerPrompt {
176 request: Option<project::LanguageServerPromptRequest>,
177}
178
179impl LanguageServerPrompt {
180 pub fn new(request: project::LanguageServerPromptRequest) -> Self {
181 Self {
182 request: Some(request),
183 }
184 }
185
186 async fn select_option(this: View<Self>, ix: usize, mut cx: AsyncWindowContext) {
187 util::async_maybe!({
188 let potential_future = this.update(&mut cx, |this, _| {
189 this.request.take().map(|request| request.respond(ix))
190 });
191
192 potential_future? // App Closed
193 .ok_or_else(|| anyhow::anyhow!("Response already sent"))?
194 .await
195 .ok_or_else(|| anyhow::anyhow!("Stream already closed"))?;
196
197 this.update(&mut cx, |_, cx| cx.emit(DismissEvent))?;
198
199 anyhow::Ok(())
200 })
201 .await
202 .log_err();
203 }
204}
205
206impl Render for LanguageServerPrompt {
207 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
208 let Some(request) = &self.request else {
209 return div().id("language_server_prompt_notification");
210 };
211
212 h_flex()
213 .id("language_server_prompt_notification")
214 .elevation_3(cx)
215 .items_start()
216 .p_2()
217 .gap_2()
218 .w_full()
219 .child(
220 v_flex()
221 .overflow_hidden()
222 .child(
223 h_flex()
224 .children(
225 match request.level {
226 PromptLevel::Info => None,
227 PromptLevel::Warning => Some(DiagnosticSeverity::WARNING),
228 PromptLevel::Critical => Some(DiagnosticSeverity::ERROR),
229 }
230 .map(|severity| {
231 svg()
232 .size(cx.text_style().font_size)
233 .flex_none()
234 .mr_1()
235 .map(|icon| {
236 if severity == DiagnosticSeverity::ERROR {
237 icon.path(IconName::ExclamationTriangle.path())
238 .text_color(Color::Error.color(cx))
239 } else {
240 icon.path(IconName::ExclamationTriangle.path())
241 .text_color(Color::Warning.color(cx))
242 }
243 })
244 }),
245 )
246 .child(
247 Label::new(format!("{}:", request.lsp_name))
248 .size(LabelSize::Default),
249 ),
250 )
251 .child(Label::new(request.message.to_string()))
252 .children(request.actions.iter().enumerate().map(|(ix, action)| {
253 let this_handle = cx.view().clone();
254 ui::Button::new(ix, action.title.clone())
255 .size(ButtonSize::Large)
256 .on_click(move |_, cx| {
257 let this_handle = this_handle.clone();
258 cx.spawn(|cx| async move {
259 LanguageServerPrompt::select_option(this_handle, ix, cx).await
260 })
261 .detach()
262 })
263 })),
264 )
265 .child(
266 ui::IconButton::new("close", ui::IconName::Close)
267 .on_click(cx.listener(|_, _, cx| cx.emit(gpui::DismissEvent))),
268 )
269 }
270}
271
272impl EventEmitter<DismissEvent> for LanguageServerPrompt {}
273
274pub mod simple_message_notification {
275 use gpui::{
276 div, DismissEvent, EventEmitter, InteractiveElement, ParentElement, Render, SharedString,
277 StatefulInteractiveElement, Styled, ViewContext,
278 };
279 use std::sync::Arc;
280 use ui::prelude::*;
281 use ui::{h_flex, v_flex, Button, Icon, IconName, Label, StyledExt};
282
283 pub struct MessageNotification {
284 message: SharedString,
285 on_click: Option<Arc<dyn Fn(&mut ViewContext<Self>)>>,
286 click_message: Option<SharedString>,
287 }
288
289 impl EventEmitter<DismissEvent> for MessageNotification {}
290
291 impl MessageNotification {
292 pub fn new<S>(message: S) -> MessageNotification
293 where
294 S: Into<SharedString>,
295 {
296 Self {
297 message: message.into(),
298 on_click: None,
299 click_message: None,
300 }
301 }
302
303 pub fn with_click_message<S>(mut self, message: S) -> Self
304 where
305 S: Into<SharedString>,
306 {
307 self.click_message = Some(message.into());
308 self
309 }
310
311 pub fn on_click<F>(mut self, on_click: F) -> Self
312 where
313 F: 'static + Fn(&mut ViewContext<Self>),
314 {
315 self.on_click = Some(Arc::new(on_click));
316 self
317 }
318
319 pub fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
320 cx.emit(DismissEvent);
321 }
322 }
323
324 impl Render for MessageNotification {
325 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
326 v_flex()
327 .elevation_3(cx)
328 .p_4()
329 .child(
330 h_flex()
331 .justify_between()
332 .child(div().max_w_80().child(Label::new(self.message.clone())))
333 .child(
334 div()
335 .id("cancel")
336 .child(Icon::new(IconName::Close))
337 .cursor_pointer()
338 .on_click(cx.listener(|this, _, cx| this.dismiss(cx))),
339 ),
340 )
341 .children(self.click_message.iter().map(|message| {
342 Button::new(message.clone(), message.clone()).on_click(cx.listener(
343 |this, _, cx| {
344 if let Some(on_click) = this.on_click.as_ref() {
345 (on_click)(cx)
346 };
347 this.dismiss(cx)
348 },
349 ))
350 }))
351 }
352 }
353}
354
355pub trait NotifyResultExt {
356 type Ok;
357
358 fn notify_err(
359 self,
360 workspace: &mut Workspace,
361 cx: &mut ViewContext<Workspace>,
362 ) -> Option<Self::Ok>;
363
364 fn notify_async_err(self, cx: &mut AsyncWindowContext) -> Option<Self::Ok>;
365}
366
367impl<T, E> NotifyResultExt for Result<T, E>
368where
369 E: std::fmt::Debug,
370{
371 type Ok = T;
372
373 fn notify_err(self, workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> Option<T> {
374 match self {
375 Ok(value) => Some(value),
376 Err(err) => {
377 log::error!("TODO {err:?}");
378 workspace.show_error(&err, cx);
379 None
380 }
381 }
382 }
383
384 fn notify_async_err(self, cx: &mut AsyncWindowContext) -> Option<T> {
385 match self {
386 Ok(value) => Some(value),
387 Err(err) => {
388 log::error!("TODO {err:?}");
389 cx.update_root(|view, cx| {
390 if let Ok(workspace) = view.downcast::<Workspace>() {
391 workspace.update(cx, |workspace, cx| workspace.show_error(&err, cx))
392 }
393 })
394 .ok();
395 None
396 }
397 }
398 }
399}
400
401pub trait NotifyTaskExt {
402 fn detach_and_notify_err(self, cx: &mut WindowContext);
403}
404
405impl<R, E> NotifyTaskExt for Task<Result<R, E>>
406where
407 E: std::fmt::Debug + Sized + 'static,
408 R: 'static,
409{
410 fn detach_and_notify_err(self, cx: &mut WindowContext) {
411 cx.spawn(|mut cx| async move { self.await.notify_async_err(&mut cx) })
412 .detach();
413 }
414}
415
416pub trait DetachAndPromptErr {
417 fn detach_and_prompt_err(
418 self,
419 msg: &str,
420 cx: &mut WindowContext,
421 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
422 );
423}
424
425impl<R> DetachAndPromptErr for Task<anyhow::Result<R>>
426where
427 R: 'static,
428{
429 fn detach_and_prompt_err(
430 self,
431 msg: &str,
432 cx: &mut WindowContext,
433 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
434 ) {
435 let msg = msg.to_owned();
436 cx.spawn(|mut cx| async move {
437 if let Err(err) = self.await {
438 log::error!("{err:?}");
439 if let Ok(prompt) = cx.update(|cx| {
440 let detail = f(&err, cx)
441 .unwrap_or_else(|| format!("{err:?}. Please try again.", err = err));
442 cx.prompt(PromptLevel::Critical, &msg, Some(&detail), &["Ok"])
443 }) {
444 prompt.await.ok();
445 }
446 }
447 })
448 .detach();
449 }
450}