1use crate::{Toast, Workspace};
2use collections::HashMap;
3use gpui::{
4 svg, AnyView, AppContext, AsyncWindowContext, ClipboardItem, DismissEvent, Entity, EntityId,
5 EventEmitter, Global, PromptLevel, Render, ScrollHandle, Task, View, ViewContext,
6 VisualContext, WindowContext,
7};
8use language::DiagnosticSeverity;
9
10use std::{any::TypeId, ops::DerefMut};
11use ui::{prelude::*, Tooltip};
12use util::ResultExt;
13
14pub fn init(cx: &mut AppContext) {
15 cx.set_global(NotificationTracker::new());
16}
17
18#[derive(Debug, PartialEq, Clone)]
19pub struct NotificationId {
20 /// A [`TypeId`] used to uniquely identify this notification.
21 type_id: TypeId,
22 /// A supplementary ID used to distinguish between multiple
23 /// notifications that have the same [`type_id`](Self::type_id);
24 id: Option<ElementId>,
25}
26
27impl NotificationId {
28 /// Returns a unique [`NotificationId`] for the given type.
29 pub fn unique<T: 'static>() -> Self {
30 Self {
31 type_id: TypeId::of::<T>(),
32 id: None,
33 }
34 }
35
36 /// Returns a [`NotificationId`] for the given type that is also identified
37 /// by the provided ID.
38 pub fn identified<T: 'static>(id: impl Into<ElementId>) -> Self {
39 Self {
40 type_id: TypeId::of::<T>(),
41 id: Some(id.into()),
42 }
43 }
44}
45
46pub trait Notification: EventEmitter<DismissEvent> + Render {}
47
48impl<V: EventEmitter<DismissEvent> + Render> Notification for V {}
49
50pub trait NotificationHandle: Send {
51 fn id(&self) -> EntityId;
52 fn to_any(&self) -> AnyView;
53}
54
55impl<T: Notification> NotificationHandle for View<T> {
56 fn id(&self) -> EntityId {
57 self.entity_id()
58 }
59
60 fn to_any(&self) -> AnyView {
61 self.clone().into()
62 }
63}
64
65impl From<&dyn NotificationHandle> for AnyView {
66 fn from(val: &dyn NotificationHandle) -> Self {
67 val.to_any()
68 }
69}
70
71pub(crate) struct NotificationTracker {
72 notifications_sent: HashMap<TypeId, Vec<NotificationId>>,
73}
74
75impl Global for NotificationTracker {}
76
77impl std::ops::Deref for NotificationTracker {
78 type Target = HashMap<TypeId, Vec<NotificationId>>;
79
80 fn deref(&self) -> &Self::Target {
81 &self.notifications_sent
82 }
83}
84
85impl DerefMut for NotificationTracker {
86 fn deref_mut(&mut self) -> &mut Self::Target {
87 &mut self.notifications_sent
88 }
89}
90
91impl NotificationTracker {
92 fn new() -> Self {
93 Self {
94 notifications_sent: Default::default(),
95 }
96 }
97}
98
99impl Workspace {
100 pub fn has_shown_notification_once<V: Notification>(
101 &self,
102 id: &NotificationId,
103 cx: &ViewContext<Self>,
104 ) -> bool {
105 cx.global::<NotificationTracker>()
106 .get(&TypeId::of::<V>())
107 .map(|ids| ids.contains(id))
108 .unwrap_or(false)
109 }
110
111 pub fn show_notification_once<V: Notification>(
112 &mut self,
113 id: NotificationId,
114 cx: &mut ViewContext<Self>,
115 build_notification: impl FnOnce(&mut ViewContext<Self>) -> View<V>,
116 ) {
117 if !self.has_shown_notification_once::<V>(&id, cx) {
118 let tracker = cx.global_mut::<NotificationTracker>();
119 let entry = tracker.entry(TypeId::of::<V>()).or_default();
120 entry.push(id.clone());
121 self.show_notification::<V>(id, cx, build_notification)
122 }
123 }
124
125 #[cfg(any(test, feature = "test-support"))]
126 pub fn notification_ids(&self) -> Vec<NotificationId> {
127 self.notifications
128 .iter()
129 .map(|(id, _)| id)
130 .cloned()
131 .collect()
132 }
133
134 pub fn show_notification<V: Notification>(
135 &mut self,
136 id: NotificationId,
137 cx: &mut ViewContext<Self>,
138 build_notification: impl FnOnce(&mut ViewContext<Self>) -> View<V>,
139 ) {
140 self.dismiss_notification_internal(&id, cx);
141
142 let notification = build_notification(cx);
143 cx.subscribe(¬ification, {
144 let id = id.clone();
145 move |this, _, _: &DismissEvent, cx| {
146 this.dismiss_notification_internal(&id, cx);
147 }
148 })
149 .detach();
150 self.notifications.push((id, Box::new(notification)));
151 cx.notify();
152 }
153
154 pub fn show_error<E>(&mut self, err: &E, cx: &mut ViewContext<Self>)
155 where
156 E: std::fmt::Debug + std::fmt::Display,
157 {
158 struct WorkspaceErrorNotification;
159
160 self.show_notification(
161 NotificationId::unique::<WorkspaceErrorNotification>(),
162 cx,
163 |cx| {
164 cx.new_view(|_cx| {
165 simple_message_notification::MessageNotification::new(format!("Error: {err:#}"))
166 })
167 },
168 );
169 }
170
171 pub fn dismiss_notification(&mut self, id: &NotificationId, cx: &mut ViewContext<Self>) {
172 self.dismiss_notification_internal(id, cx)
173 }
174
175 pub fn show_toast(&mut self, toast: Toast, cx: &mut ViewContext<Self>) {
176 self.dismiss_notification(&toast.id, cx);
177 self.show_notification(toast.id, cx, |cx| {
178 cx.new_view(|_cx| match toast.on_click.as_ref() {
179 Some((click_msg, on_click)) => {
180 let on_click = on_click.clone();
181 simple_message_notification::MessageNotification::new(toast.msg.clone())
182 .with_click_message(click_msg.clone())
183 .on_click(move |cx| on_click(cx))
184 }
185 None => simple_message_notification::MessageNotification::new(toast.msg.clone()),
186 })
187 })
188 }
189
190 pub fn dismiss_toast(&mut self, id: &NotificationId, cx: &mut ViewContext<Self>) {
191 self.dismiss_notification(id, cx);
192 }
193
194 pub fn clear_all_notifications(&mut self, cx: &mut ViewContext<Self>) {
195 self.notifications.clear();
196 cx.notify();
197 }
198
199 fn dismiss_notification_internal(&mut self, id: &NotificationId, cx: &mut ViewContext<Self>) {
200 self.notifications.retain(|(existing_id, _)| {
201 if existing_id == id {
202 cx.notify();
203 false
204 } else {
205 true
206 }
207 });
208 }
209}
210
211pub struct LanguageServerPrompt {
212 request: Option<project::LanguageServerPromptRequest>,
213 scroll_handle: ScrollHandle,
214}
215
216impl LanguageServerPrompt {
217 pub fn new(request: project::LanguageServerPromptRequest) -> Self {
218 Self {
219 request: Some(request),
220 scroll_handle: ScrollHandle::new(),
221 }
222 }
223
224 async fn select_option(this: View<Self>, ix: usize, mut cx: AsyncWindowContext) {
225 util::maybe!(async move {
226 let potential_future = this.update(&mut cx, |this, _| {
227 this.request.take().map(|request| request.respond(ix))
228 });
229
230 potential_future? // App Closed
231 .ok_or_else(|| anyhow::anyhow!("Response already sent"))?
232 .await
233 .ok_or_else(|| anyhow::anyhow!("Stream already closed"))?;
234
235 this.update(&mut cx, |_, cx| cx.emit(DismissEvent))?;
236
237 anyhow::Ok(())
238 })
239 .await
240 .log_err();
241 }
242}
243
244impl Render for LanguageServerPrompt {
245 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
246 let Some(request) = &self.request else {
247 return div().id("language_server_prompt_notification");
248 };
249
250 h_flex()
251 .id("language_server_prompt_notification")
252 .occlude()
253 .elevation_3(cx)
254 .items_start()
255 .justify_between()
256 .p_2()
257 .gap_2()
258 .w_full()
259 .max_h(vh(0.8, cx))
260 .overflow_y_scroll()
261 .track_scroll(&self.scroll_handle)
262 .group("")
263 .child(
264 v_flex()
265 .w_full()
266 .overflow_hidden()
267 .child(
268 h_flex()
269 .w_full()
270 .justify_between()
271 .child(
272 h_flex()
273 .flex_grow()
274 .children(
275 match request.level {
276 PromptLevel::Info => None,
277 PromptLevel::Warning => {
278 Some(DiagnosticSeverity::WARNING)
279 }
280 PromptLevel::Critical => {
281 Some(DiagnosticSeverity::ERROR)
282 }
283 }
284 .map(|severity| {
285 svg()
286 .size(cx.text_style().font_size)
287 .flex_none()
288 .mr_1()
289 .mt(px(-2.0))
290 .map(|icon| {
291 if severity == DiagnosticSeverity::ERROR {
292 icon.path(
293 IconName::ExclamationTriangle.path(),
294 )
295 .text_color(Color::Error.color(cx))
296 } else {
297 icon.path(
298 IconName::ExclamationTriangle.path(),
299 )
300 .text_color(Color::Warning.color(cx))
301 }
302 })
303 }),
304 )
305 .child(
306 Label::new(request.lsp_name.clone())
307 .size(LabelSize::Default),
308 ),
309 )
310 .child(
311 ui::IconButton::new("close", ui::IconName::Close)
312 .on_click(cx.listener(|_, _, cx| cx.emit(gpui::DismissEvent))),
313 ),
314 )
315 .child(
316 v_flex()
317 .child(
318 h_flex().absolute().right_0().rounded_md().child(
319 ui::IconButton::new("copy", ui::IconName::Copy)
320 .on_click({
321 let message = request.message.clone();
322 move |_, cx| {
323 cx.write_to_clipboard(ClipboardItem::new(
324 message.clone(),
325 ))
326 }
327 })
328 .tooltip(|cx| Tooltip::text("Copy", cx))
329 .visible_on_hover(""),
330 ),
331 )
332 .child(Label::new(request.message.to_string()).size(LabelSize::Small)),
333 )
334 .children(request.actions.iter().enumerate().map(|(ix, action)| {
335 let this_handle = cx.view().clone();
336 ui::Button::new(ix, action.title.clone())
337 .size(ButtonSize::Large)
338 .on_click(move |_, cx| {
339 let this_handle = this_handle.clone();
340 cx.spawn(|cx| async move {
341 LanguageServerPrompt::select_option(this_handle, ix, cx).await
342 })
343 .detach()
344 })
345 })),
346 )
347 }
348}
349
350impl EventEmitter<DismissEvent> for LanguageServerPrompt {}
351
352pub mod simple_message_notification {
353 use gpui::{
354 div, DismissEvent, EventEmitter, InteractiveElement, ParentElement, Render, SharedString,
355 StatefulInteractiveElement, Styled, ViewContext,
356 };
357 use std::sync::Arc;
358 use ui::prelude::*;
359 use ui::{h_flex, v_flex, Button, Icon, IconName, Label, StyledExt};
360
361 pub struct MessageNotification {
362 message: SharedString,
363 on_click: Option<Arc<dyn Fn(&mut ViewContext<Self>)>>,
364 click_message: Option<SharedString>,
365 secondary_click_message: Option<SharedString>,
366 secondary_on_click: Option<Arc<dyn Fn(&mut ViewContext<Self>)>>,
367 }
368
369 impl EventEmitter<DismissEvent> for MessageNotification {}
370
371 impl MessageNotification {
372 pub fn new<S>(message: S) -> MessageNotification
373 where
374 S: Into<SharedString>,
375 {
376 Self {
377 message: message.into(),
378 on_click: None,
379 click_message: None,
380 secondary_on_click: None,
381 secondary_click_message: None,
382 }
383 }
384
385 pub fn with_click_message<S>(mut self, message: S) -> Self
386 where
387 S: Into<SharedString>,
388 {
389 self.click_message = Some(message.into());
390 self
391 }
392
393 pub fn on_click<F>(mut self, on_click: F) -> Self
394 where
395 F: 'static + Fn(&mut ViewContext<Self>),
396 {
397 self.on_click = Some(Arc::new(on_click));
398 self
399 }
400
401 pub fn with_secondary_click_message<S>(mut self, message: S) -> Self
402 where
403 S: Into<SharedString>,
404 {
405 self.secondary_click_message = Some(message.into());
406 self
407 }
408
409 pub fn on_secondary_click<F>(mut self, on_click: F) -> Self
410 where
411 F: 'static + Fn(&mut ViewContext<Self>),
412 {
413 self.secondary_on_click = Some(Arc::new(on_click));
414 self
415 }
416
417 pub fn dismiss(&mut self, cx: &mut ViewContext<Self>) {
418 cx.emit(DismissEvent);
419 }
420 }
421
422 impl Render for MessageNotification {
423 fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
424 v_flex()
425 .elevation_3(cx)
426 .p_4()
427 .child(
428 h_flex()
429 .justify_between()
430 .child(div().max_w_80().child(Label::new(self.message.clone())))
431 .child(
432 div()
433 .id("cancel")
434 .child(Icon::new(IconName::Close))
435 .cursor_pointer()
436 .on_click(cx.listener(|this, _, cx| this.dismiss(cx))),
437 ),
438 )
439 .child(
440 h_flex()
441 .gap_3()
442 .children(self.click_message.iter().map(|message| {
443 Button::new(message.clone(), message.clone()).on_click(cx.listener(
444 |this, _, cx| {
445 if let Some(on_click) = this.on_click.as_ref() {
446 (on_click)(cx)
447 };
448 this.dismiss(cx)
449 },
450 ))
451 }))
452 .children(self.secondary_click_message.iter().map(|message| {
453 Button::new(message.clone(), message.clone())
454 .style(ButtonStyle::Filled)
455 .on_click(cx.listener(|this, _, cx| {
456 if let Some(on_click) = this.secondary_on_click.as_ref() {
457 (on_click)(cx)
458 };
459 this.dismiss(cx)
460 }))
461 })),
462 )
463 }
464 }
465}
466
467pub trait NotifyResultExt {
468 type Ok;
469
470 fn notify_err(
471 self,
472 workspace: &mut Workspace,
473 cx: &mut ViewContext<Workspace>,
474 ) -> Option<Self::Ok>;
475
476 fn notify_async_err(self, cx: &mut AsyncWindowContext) -> Option<Self::Ok>;
477}
478
479impl<T, E> NotifyResultExt for Result<T, E>
480where
481 E: std::fmt::Debug + std::fmt::Display,
482{
483 type Ok = T;
484
485 fn notify_err(self, workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) -> Option<T> {
486 match self {
487 Ok(value) => Some(value),
488 Err(err) => {
489 log::error!("TODO {err:?}");
490 workspace.show_error(&err, cx);
491 None
492 }
493 }
494 }
495
496 fn notify_async_err(self, cx: &mut AsyncWindowContext) -> Option<T> {
497 match self {
498 Ok(value) => Some(value),
499 Err(err) => {
500 log::error!("{err:?}");
501 cx.update_root(|view, cx| {
502 if let Ok(workspace) = view.downcast::<Workspace>() {
503 workspace.update(cx, |workspace, cx| workspace.show_error(&err, cx))
504 }
505 })
506 .ok();
507 None
508 }
509 }
510 }
511}
512
513pub trait NotifyTaskExt {
514 fn detach_and_notify_err(self, cx: &mut WindowContext);
515}
516
517impl<R, E> NotifyTaskExt for Task<Result<R, E>>
518where
519 E: std::fmt::Debug + std::fmt::Display + Sized + 'static,
520 R: 'static,
521{
522 fn detach_and_notify_err(self, cx: &mut WindowContext) {
523 cx.spawn(|mut cx| async move { self.await.notify_async_err(&mut cx) })
524 .detach();
525 }
526}
527
528pub trait DetachAndPromptErr {
529 fn prompt_err(
530 self,
531 msg: &str,
532 cx: &mut WindowContext,
533 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
534 ) -> Task<()>;
535
536 fn detach_and_prompt_err(
537 self,
538 msg: &str,
539 cx: &mut WindowContext,
540 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
541 );
542}
543
544impl<R> DetachAndPromptErr for Task<anyhow::Result<R>>
545where
546 R: 'static,
547{
548 fn prompt_err(
549 self,
550 msg: &str,
551 cx: &mut WindowContext,
552 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
553 ) -> Task<()> {
554 let msg = msg.to_owned();
555 cx.spawn(|mut cx| async move {
556 if let Err(err) = self.await {
557 log::error!("{err:?}");
558 if let Ok(prompt) = cx.update(|cx| {
559 let detail = f(&err, cx).unwrap_or_else(|| format!("{err}. Please try again."));
560 cx.prompt(PromptLevel::Critical, &msg, Some(&detail), &["Ok"])
561 }) {
562 prompt.await.ok();
563 }
564 }
565 })
566 }
567
568 fn detach_and_prompt_err(
569 self,
570 msg: &str,
571 cx: &mut WindowContext,
572 f: impl FnOnce(&anyhow::Error, &mut WindowContext) -> Option<String> + 'static,
573 ) {
574 self.prompt_err(msg, cx, f).detach();
575 }
576}