1pub mod pane;
2pub mod pane_group;
3pub mod sidebar;
4mod status_bar;
5mod toolbar;
6mod waiting_room;
7
8use anyhow::{anyhow, Context, Result};
9use client::{
10 proto, Authenticate, Client, Contact, PeerId, Subscription, TypedEnvelope, User, UserStore,
11};
12use clock::ReplicaId;
13use collections::{hash_map, HashMap, HashSet};
14use gpui::{
15 actions,
16 color::Color,
17 elements::*,
18 geometry::{rect::RectF, vector::vec2f, PathBuilder},
19 impl_actions, impl_internal_actions,
20 json::{self, ToJson},
21 platform::{CursorStyle, WindowOptions},
22 AnyModelHandle, AnyViewHandle, AppContext, AsyncAppContext, Border, Entity, ImageData,
23 ModelContext, ModelHandle, MutableAppContext, PathPromptOptions, PromptLevel, RenderContext,
24 Task, View, ViewContext, ViewHandle, WeakViewHandle,
25};
26use language::LanguageRegistry;
27use log::error;
28pub use pane::*;
29pub use pane_group::*;
30use postage::prelude::Stream;
31use project::{fs, Fs, Project, ProjectEntryId, ProjectPath, ProjectStore, Worktree, WorktreeId};
32use serde::Deserialize;
33use settings::Settings;
34use sidebar::{Side, Sidebar, SidebarButtons, ToggleSidebarItem, ToggleSidebarItemFocus};
35use smallvec::SmallVec;
36use status_bar::StatusBar;
37pub use status_bar::StatusItemView;
38use std::{
39 any::{Any, TypeId},
40 borrow::Cow,
41 cell::RefCell,
42 fmt,
43 future::Future,
44 path::{Path, PathBuf},
45 rc::Rc,
46 sync::{
47 atomic::{AtomicBool, Ordering::SeqCst},
48 Arc,
49 },
50};
51use theme::{Theme, ThemeRegistry};
52pub use toolbar::{ToolbarItemLocation, ToolbarItemView};
53use util::ResultExt;
54use waiting_room::WaitingRoom;
55
56type ProjectItemBuilders = HashMap<
57 TypeId,
58 fn(usize, ModelHandle<Project>, AnyModelHandle, &mut MutableAppContext) -> Box<dyn ItemHandle>,
59>;
60
61type FollowableItemBuilder = fn(
62 ViewHandle<Pane>,
63 ModelHandle<Project>,
64 &mut Option<proto::view::Variant>,
65 &mut MutableAppContext,
66) -> Option<Task<Result<Box<dyn FollowableItemHandle>>>>;
67type FollowableItemBuilders = HashMap<
68 TypeId,
69 (
70 FollowableItemBuilder,
71 fn(AnyViewHandle) -> Box<dyn FollowableItemHandle>,
72 ),
73>;
74
75#[derive(Clone, PartialEq)]
76pub struct RemoveWorktreeFromProject(pub WorktreeId);
77
78actions!(
79 workspace,
80 [
81 Open,
82 NewFile,
83 NewWindow,
84 CloseWindow,
85 AddFolderToProject,
86 Unfollow,
87 Save,
88 SaveAs,
89 SaveAll,
90 ActivatePreviousPane,
91 ActivateNextPane,
92 FollowNextCollaborator,
93 ]
94);
95
96#[derive(Clone, PartialEq)]
97pub struct OpenPaths {
98 pub paths: Vec<PathBuf>,
99}
100
101#[derive(Clone, Deserialize, PartialEq)]
102pub struct ToggleProjectOnline {
103 #[serde(skip_deserializing)]
104 pub project: Option<ModelHandle<Project>>,
105}
106
107#[derive(Clone, PartialEq)]
108pub struct ToggleFollow(pub PeerId);
109
110#[derive(Clone, PartialEq)]
111pub struct JoinProject {
112 pub contact: Arc<Contact>,
113 pub project_index: usize,
114}
115
116impl_internal_actions!(
117 workspace,
118 [
119 OpenPaths,
120 ToggleFollow,
121 JoinProject,
122 RemoveWorktreeFromProject
123 ]
124);
125impl_actions!(workspace, [ToggleProjectOnline]);
126
127pub fn init(app_state: Arc<AppState>, cx: &mut MutableAppContext) {
128 pane::init(cx);
129
130 cx.add_global_action(open);
131 cx.add_global_action({
132 let app_state = Arc::downgrade(&app_state);
133 move |action: &OpenPaths, cx: &mut MutableAppContext| {
134 if let Some(app_state) = app_state.upgrade() {
135 open_paths(&action.paths, &app_state, cx).detach();
136 }
137 }
138 });
139 cx.add_global_action({
140 let app_state = Arc::downgrade(&app_state);
141 move |_: &NewFile, cx: &mut MutableAppContext| {
142 if let Some(app_state) = app_state.upgrade() {
143 open_new(&app_state, cx)
144 }
145 }
146 });
147 cx.add_global_action({
148 let app_state = Arc::downgrade(&app_state);
149 move |_: &NewWindow, cx: &mut MutableAppContext| {
150 if let Some(app_state) = app_state.upgrade() {
151 open_new(&app_state, cx)
152 }
153 }
154 });
155 cx.add_global_action({
156 let app_state = Arc::downgrade(&app_state);
157 move |action: &JoinProject, cx: &mut MutableAppContext| {
158 if let Some(app_state) = app_state.upgrade() {
159 join_project(action.contact.clone(), action.project_index, &app_state, cx);
160 }
161 }
162 });
163
164 cx.add_async_action(Workspace::toggle_follow);
165 cx.add_async_action(Workspace::follow_next_collaborator);
166 cx.add_async_action(Workspace::close);
167 cx.add_async_action(Workspace::save_all);
168 cx.add_action(Workspace::add_folder_to_project);
169 cx.add_action(Workspace::remove_folder_from_project);
170 cx.add_action(Workspace::toggle_project_online);
171 cx.add_action(
172 |workspace: &mut Workspace, _: &Unfollow, cx: &mut ViewContext<Workspace>| {
173 let pane = workspace.active_pane().clone();
174 workspace.unfollow(&pane, cx);
175 },
176 );
177 cx.add_action(
178 |workspace: &mut Workspace, _: &Save, cx: &mut ViewContext<Workspace>| {
179 workspace.save_active_item(false, cx).detach_and_log_err(cx);
180 },
181 );
182 cx.add_action(
183 |workspace: &mut Workspace, _: &SaveAs, cx: &mut ViewContext<Workspace>| {
184 workspace.save_active_item(true, cx).detach_and_log_err(cx);
185 },
186 );
187 cx.add_action(Workspace::toggle_sidebar_item);
188 cx.add_action(Workspace::toggle_sidebar_item_focus);
189 cx.add_action(Workspace::focus_center);
190 cx.add_action(|workspace: &mut Workspace, _: &ActivatePreviousPane, cx| {
191 workspace.activate_previous_pane(cx)
192 });
193 cx.add_action(|workspace: &mut Workspace, _: &ActivateNextPane, cx| {
194 workspace.activate_next_pane(cx)
195 });
196
197 let client = &app_state.client;
198 client.add_view_request_handler(Workspace::handle_follow);
199 client.add_view_message_handler(Workspace::handle_unfollow);
200 client.add_view_message_handler(Workspace::handle_update_followers);
201}
202
203pub fn register_project_item<I: ProjectItem>(cx: &mut MutableAppContext) {
204 cx.update_default_global(|builders: &mut ProjectItemBuilders, _| {
205 builders.insert(TypeId::of::<I::Item>(), |window_id, project, model, cx| {
206 let item = model.downcast::<I::Item>().unwrap();
207 Box::new(cx.add_view(window_id, |cx| I::for_project_item(project, item, cx)))
208 });
209 });
210}
211
212pub fn register_followable_item<I: FollowableItem>(cx: &mut MutableAppContext) {
213 cx.update_default_global(|builders: &mut FollowableItemBuilders, _| {
214 builders.insert(
215 TypeId::of::<I>(),
216 (
217 |pane, project, state, cx| {
218 I::from_state_proto(pane, project, state, cx).map(|task| {
219 cx.foreground()
220 .spawn(async move { Ok(Box::new(task.await?) as Box<_>) })
221 })
222 },
223 |this| Box::new(this.downcast::<I>().unwrap()),
224 ),
225 );
226 });
227}
228
229pub struct AppState {
230 pub languages: Arc<LanguageRegistry>,
231 pub themes: Arc<ThemeRegistry>,
232 pub client: Arc<client::Client>,
233 pub user_store: ModelHandle<client::UserStore>,
234 pub project_store: ModelHandle<ProjectStore>,
235 pub fs: Arc<dyn fs::Fs>,
236 pub build_window_options: fn() -> WindowOptions<'static>,
237 pub initialize_workspace: fn(&mut Workspace, &Arc<AppState>, &mut ViewContext<Workspace>),
238}
239
240pub trait Item: View {
241 fn deactivated(&mut self, _: &mut ViewContext<Self>) {}
242 fn navigate(&mut self, _: Box<dyn Any>, _: &mut ViewContext<Self>) -> bool {
243 false
244 }
245 fn tab_content(&self, style: &theme::Tab, cx: &AppContext) -> ElementBox;
246 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
247 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
248 fn is_singleton(&self, cx: &AppContext) -> bool;
249 fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>);
250 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
251 where
252 Self: Sized,
253 {
254 None
255 }
256 fn is_dirty(&self, _: &AppContext) -> bool {
257 false
258 }
259 fn has_conflict(&self, _: &AppContext) -> bool {
260 false
261 }
262 fn can_save(&self, cx: &AppContext) -> bool;
263 fn save(
264 &mut self,
265 project: ModelHandle<Project>,
266 cx: &mut ViewContext<Self>,
267 ) -> Task<Result<()>>;
268 fn save_as(
269 &mut self,
270 project: ModelHandle<Project>,
271 abs_path: PathBuf,
272 cx: &mut ViewContext<Self>,
273 ) -> Task<Result<()>>;
274 fn reload(
275 &mut self,
276 project: ModelHandle<Project>,
277 cx: &mut ViewContext<Self>,
278 ) -> Task<Result<()>>;
279 fn should_activate_item_on_event(_: &Self::Event) -> bool {
280 false
281 }
282 fn should_close_item_on_event(_: &Self::Event) -> bool {
283 false
284 }
285 fn should_update_tab_on_event(_: &Self::Event) -> bool {
286 false
287 }
288 fn act_as_type(
289 &self,
290 type_id: TypeId,
291 self_handle: &ViewHandle<Self>,
292 _: &AppContext,
293 ) -> Option<AnyViewHandle> {
294 if TypeId::of::<Self>() == type_id {
295 Some(self_handle.into())
296 } else {
297 None
298 }
299 }
300}
301
302pub trait ProjectItem: Item {
303 type Item: project::Item;
304
305 fn for_project_item(
306 project: ModelHandle<Project>,
307 item: ModelHandle<Self::Item>,
308 cx: &mut ViewContext<Self>,
309 ) -> Self;
310}
311
312pub trait FollowableItem: Item {
313 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
314 fn from_state_proto(
315 pane: ViewHandle<Pane>,
316 project: ModelHandle<Project>,
317 state: &mut Option<proto::view::Variant>,
318 cx: &mut MutableAppContext,
319 ) -> Option<Task<Result<ViewHandle<Self>>>>;
320 fn add_event_to_update_proto(
321 &self,
322 event: &Self::Event,
323 update: &mut Option<proto::update_view::Variant>,
324 cx: &AppContext,
325 ) -> bool;
326 fn apply_update_proto(
327 &mut self,
328 message: proto::update_view::Variant,
329 cx: &mut ViewContext<Self>,
330 ) -> Result<()>;
331
332 fn set_leader_replica_id(&mut self, leader_replica_id: Option<u16>, cx: &mut ViewContext<Self>);
333 fn should_unfollow_on_event(event: &Self::Event, cx: &AppContext) -> bool;
334}
335
336pub trait FollowableItemHandle: ItemHandle {
337 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext);
338 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant>;
339 fn add_event_to_update_proto(
340 &self,
341 event: &dyn Any,
342 update: &mut Option<proto::update_view::Variant>,
343 cx: &AppContext,
344 ) -> bool;
345 fn apply_update_proto(
346 &self,
347 message: proto::update_view::Variant,
348 cx: &mut MutableAppContext,
349 ) -> Result<()>;
350 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool;
351}
352
353impl<T: FollowableItem> FollowableItemHandle for ViewHandle<T> {
354 fn set_leader_replica_id(&self, leader_replica_id: Option<u16>, cx: &mut MutableAppContext) {
355 self.update(cx, |this, cx| {
356 this.set_leader_replica_id(leader_replica_id, cx)
357 })
358 }
359
360 fn to_state_proto(&self, cx: &AppContext) -> Option<proto::view::Variant> {
361 self.read(cx).to_state_proto(cx)
362 }
363
364 fn add_event_to_update_proto(
365 &self,
366 event: &dyn Any,
367 update: &mut Option<proto::update_view::Variant>,
368 cx: &AppContext,
369 ) -> bool {
370 if let Some(event) = event.downcast_ref() {
371 self.read(cx).add_event_to_update_proto(event, update, cx)
372 } else {
373 false
374 }
375 }
376
377 fn apply_update_proto(
378 &self,
379 message: proto::update_view::Variant,
380 cx: &mut MutableAppContext,
381 ) -> Result<()> {
382 self.update(cx, |this, cx| this.apply_update_proto(message, cx))
383 }
384
385 fn should_unfollow_on_event(&self, event: &dyn Any, cx: &AppContext) -> bool {
386 if let Some(event) = event.downcast_ref() {
387 T::should_unfollow_on_event(event, cx)
388 } else {
389 false
390 }
391 }
392}
393
394pub trait ItemHandle: 'static + fmt::Debug {
395 fn tab_content(&self, style: &theme::Tab, cx: &AppContext) -> ElementBox;
396 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath>;
397 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]>;
398 fn is_singleton(&self, cx: &AppContext) -> bool;
399 fn boxed_clone(&self) -> Box<dyn ItemHandle>;
400 fn set_nav_history(&self, nav_history: Rc<RefCell<NavHistory>>, cx: &mut MutableAppContext);
401 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>>;
402 fn added_to_pane(
403 &self,
404 workspace: &mut Workspace,
405 pane: ViewHandle<Pane>,
406 cx: &mut ViewContext<Workspace>,
407 );
408 fn deactivated(&self, cx: &mut MutableAppContext);
409 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool;
410 fn id(&self) -> usize;
411 fn to_any(&self) -> AnyViewHandle;
412 fn is_dirty(&self, cx: &AppContext) -> bool;
413 fn has_conflict(&self, cx: &AppContext) -> bool;
414 fn can_save(&self, cx: &AppContext) -> bool;
415 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>>;
416 fn save_as(
417 &self,
418 project: ModelHandle<Project>,
419 abs_path: PathBuf,
420 cx: &mut MutableAppContext,
421 ) -> Task<Result<()>>;
422 fn reload(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext)
423 -> Task<Result<()>>;
424 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle>;
425 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>>;
426 fn on_release(
427 &self,
428 cx: &mut MutableAppContext,
429 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
430 ) -> gpui::Subscription;
431}
432
433pub trait WeakItemHandle {
434 fn id(&self) -> usize;
435 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>>;
436}
437
438impl dyn ItemHandle {
439 pub fn downcast<T: View>(&self) -> Option<ViewHandle<T>> {
440 self.to_any().downcast()
441 }
442
443 pub fn act_as<T: View>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
444 self.act_as_type(TypeId::of::<T>(), cx)
445 .and_then(|t| t.downcast())
446 }
447}
448
449impl<T: Item> ItemHandle for ViewHandle<T> {
450 fn tab_content(&self, style: &theme::Tab, cx: &AppContext) -> ElementBox {
451 self.read(cx).tab_content(style, cx)
452 }
453
454 fn project_path(&self, cx: &AppContext) -> Option<ProjectPath> {
455 self.read(cx).project_path(cx)
456 }
457
458 fn project_entry_ids(&self, cx: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
459 self.read(cx).project_entry_ids(cx)
460 }
461
462 fn is_singleton(&self, cx: &AppContext) -> bool {
463 self.read(cx).is_singleton(cx)
464 }
465
466 fn boxed_clone(&self) -> Box<dyn ItemHandle> {
467 Box::new(self.clone())
468 }
469
470 fn set_nav_history(&self, nav_history: Rc<RefCell<NavHistory>>, cx: &mut MutableAppContext) {
471 self.update(cx, |item, cx| {
472 item.set_nav_history(ItemNavHistory::new(nav_history, &cx.handle()), cx);
473 })
474 }
475
476 fn clone_on_split(&self, cx: &mut MutableAppContext) -> Option<Box<dyn ItemHandle>> {
477 self.update(cx, |item, cx| {
478 cx.add_option_view(|cx| item.clone_on_split(cx))
479 })
480 .map(|handle| Box::new(handle) as Box<dyn ItemHandle>)
481 }
482
483 fn added_to_pane(
484 &self,
485 workspace: &mut Workspace,
486 pane: ViewHandle<Pane>,
487 cx: &mut ViewContext<Workspace>,
488 ) {
489 if let Some(followed_item) = self.to_followable_item_handle(cx) {
490 if let Some(message) = followed_item.to_state_proto(cx) {
491 workspace.update_followers(
492 proto::update_followers::Variant::CreateView(proto::View {
493 id: followed_item.id() as u64,
494 variant: Some(message),
495 leader_id: workspace.leader_for_pane(&pane).map(|id| id.0),
496 }),
497 cx,
498 );
499 }
500 }
501
502 let pending_update = Rc::new(RefCell::new(None));
503 let pending_update_scheduled = Rc::new(AtomicBool::new(false));
504 let pane = pane.downgrade();
505 cx.subscribe(self, move |workspace, item, event, cx| {
506 let pane = if let Some(pane) = pane.upgrade(cx) {
507 pane
508 } else {
509 log::error!("unexpected item event after pane was dropped");
510 return;
511 };
512
513 if let Some(item) = item.to_followable_item_handle(cx) {
514 let leader_id = workspace.leader_for_pane(&pane);
515
516 if leader_id.is_some() && item.should_unfollow_on_event(event, cx) {
517 workspace.unfollow(&pane, cx);
518 }
519
520 if item.add_event_to_update_proto(event, &mut *pending_update.borrow_mut(), cx)
521 && !pending_update_scheduled.load(SeqCst)
522 {
523 pending_update_scheduled.store(true, SeqCst);
524 cx.after_window_update({
525 let pending_update = pending_update.clone();
526 let pending_update_scheduled = pending_update_scheduled.clone();
527 move |this, cx| {
528 pending_update_scheduled.store(false, SeqCst);
529 this.update_followers(
530 proto::update_followers::Variant::UpdateView(proto::UpdateView {
531 id: item.id() as u64,
532 variant: pending_update.borrow_mut().take(),
533 leader_id: leader_id.map(|id| id.0),
534 }),
535 cx,
536 );
537 }
538 });
539 }
540 }
541
542 if T::should_close_item_on_event(event) {
543 Pane::close_item(workspace, pane, item.id(), cx).detach_and_log_err(cx);
544 return;
545 }
546
547 if T::should_activate_item_on_event(event) {
548 pane.update(cx, |pane, cx| {
549 if let Some(ix) = pane.index_for_item(&item) {
550 pane.activate_item(ix, true, true, cx);
551 pane.activate(cx);
552 }
553 });
554 }
555
556 if T::should_update_tab_on_event(event) {
557 pane.update(cx, |_, cx| {
558 cx.emit(pane::Event::ChangeItemTitle);
559 cx.notify();
560 });
561 }
562 })
563 .detach();
564 }
565
566 fn deactivated(&self, cx: &mut MutableAppContext) {
567 self.update(cx, |this, cx| this.deactivated(cx));
568 }
569
570 fn navigate(&self, data: Box<dyn Any>, cx: &mut MutableAppContext) -> bool {
571 self.update(cx, |this, cx| this.navigate(data, cx))
572 }
573
574 fn id(&self) -> usize {
575 self.id()
576 }
577
578 fn to_any(&self) -> AnyViewHandle {
579 self.into()
580 }
581
582 fn is_dirty(&self, cx: &AppContext) -> bool {
583 self.read(cx).is_dirty(cx)
584 }
585
586 fn has_conflict(&self, cx: &AppContext) -> bool {
587 self.read(cx).has_conflict(cx)
588 }
589
590 fn can_save(&self, cx: &AppContext) -> bool {
591 self.read(cx).can_save(cx)
592 }
593
594 fn save(&self, project: ModelHandle<Project>, cx: &mut MutableAppContext) -> Task<Result<()>> {
595 self.update(cx, |item, cx| item.save(project, cx))
596 }
597
598 fn save_as(
599 &self,
600 project: ModelHandle<Project>,
601 abs_path: PathBuf,
602 cx: &mut MutableAppContext,
603 ) -> Task<anyhow::Result<()>> {
604 self.update(cx, |item, cx| item.save_as(project, abs_path, cx))
605 }
606
607 fn reload(
608 &self,
609 project: ModelHandle<Project>,
610 cx: &mut MutableAppContext,
611 ) -> Task<Result<()>> {
612 self.update(cx, |item, cx| item.reload(project, cx))
613 }
614
615 fn act_as_type(&self, type_id: TypeId, cx: &AppContext) -> Option<AnyViewHandle> {
616 self.read(cx).act_as_type(type_id, self, cx)
617 }
618
619 fn to_followable_item_handle(&self, cx: &AppContext) -> Option<Box<dyn FollowableItemHandle>> {
620 if cx.has_global::<FollowableItemBuilders>() {
621 let builders = cx.global::<FollowableItemBuilders>();
622 let item = self.to_any();
623 Some(builders.get(&item.view_type())?.1(item))
624 } else {
625 None
626 }
627 }
628
629 fn on_release(
630 &self,
631 cx: &mut MutableAppContext,
632 callback: Box<dyn FnOnce(&mut MutableAppContext)>,
633 ) -> gpui::Subscription {
634 cx.observe_release(self, move |_, cx| callback(cx))
635 }
636}
637
638impl Into<AnyViewHandle> for Box<dyn ItemHandle> {
639 fn into(self) -> AnyViewHandle {
640 self.to_any()
641 }
642}
643
644impl Clone for Box<dyn ItemHandle> {
645 fn clone(&self) -> Box<dyn ItemHandle> {
646 self.boxed_clone()
647 }
648}
649
650impl<T: Item> WeakItemHandle for WeakViewHandle<T> {
651 fn id(&self) -> usize {
652 self.id()
653 }
654
655 fn upgrade(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
656 self.upgrade(cx).map(|v| Box::new(v) as Box<dyn ItemHandle>)
657 }
658}
659
660pub trait Notification: View {
661 fn should_dismiss_notification_on_event(&self, event: &<Self as Entity>::Event) -> bool;
662}
663
664pub trait NotificationHandle {
665 fn id(&self) -> usize;
666 fn to_any(&self) -> AnyViewHandle;
667}
668
669impl<T: Notification> NotificationHandle for ViewHandle<T> {
670 fn id(&self) -> usize {
671 self.id()
672 }
673
674 fn to_any(&self) -> AnyViewHandle {
675 self.into()
676 }
677}
678
679impl Into<AnyViewHandle> for &dyn NotificationHandle {
680 fn into(self) -> AnyViewHandle {
681 self.to_any()
682 }
683}
684
685impl AppState {
686 #[cfg(any(test, feature = "test-support"))]
687 pub fn test(cx: &mut MutableAppContext) -> Arc<Self> {
688 let settings = Settings::test(cx);
689 cx.set_global(settings);
690
691 let fs = project::FakeFs::new(cx.background().clone());
692 let languages = Arc::new(LanguageRegistry::test());
693 let http_client = client::test::FakeHttpClient::with_404_response();
694 let client = Client::new(http_client.clone());
695 let project_store = cx.add_model(|_| ProjectStore::new(project::Db::open_fake()));
696 let user_store = cx.add_model(|cx| UserStore::new(client.clone(), http_client, cx));
697 let themes = ThemeRegistry::new((), cx.font_cache().clone());
698 Arc::new(Self {
699 client,
700 themes,
701 fs,
702 languages,
703 user_store,
704 project_store,
705 initialize_workspace: |_, _, _| {},
706 build_window_options: || Default::default(),
707 })
708 }
709}
710
711pub enum Event {
712 PaneAdded(ViewHandle<Pane>),
713 ContactRequestedJoin(u64),
714}
715
716pub struct Workspace {
717 weak_self: WeakViewHandle<Self>,
718 client: Arc<Client>,
719 user_store: ModelHandle<client::UserStore>,
720 remote_entity_subscription: Option<Subscription>,
721 fs: Arc<dyn Fs>,
722 modal: Option<AnyViewHandle>,
723 center: PaneGroup,
724 left_sidebar: ViewHandle<Sidebar>,
725 right_sidebar: ViewHandle<Sidebar>,
726 panes: Vec<ViewHandle<Pane>>,
727 active_pane: ViewHandle<Pane>,
728 status_bar: ViewHandle<StatusBar>,
729 notifications: Vec<(TypeId, usize, Box<dyn NotificationHandle>)>,
730 project: ModelHandle<Project>,
731 leader_state: LeaderState,
732 follower_states_by_leader: FollowerStatesByLeader,
733 last_leaders_by_pane: HashMap<WeakViewHandle<Pane>, PeerId>,
734 window_edited: bool,
735 _observe_current_user: Task<()>,
736}
737
738#[derive(Default)]
739struct LeaderState {
740 followers: HashSet<PeerId>,
741}
742
743type FollowerStatesByLeader = HashMap<PeerId, HashMap<ViewHandle<Pane>, FollowerState>>;
744
745#[derive(Default)]
746struct FollowerState {
747 active_view_id: Option<u64>,
748 items_by_leader_view_id: HashMap<u64, FollowerItem>,
749}
750
751#[derive(Debug)]
752enum FollowerItem {
753 Loading(Vec<proto::update_view::Variant>),
754 Loaded(Box<dyn FollowableItemHandle>),
755}
756
757impl Workspace {
758 pub fn new(project: ModelHandle<Project>, cx: &mut ViewContext<Self>) -> Self {
759 cx.observe(&project, |_, project, cx| {
760 if project.read(cx).is_read_only() {
761 cx.blur();
762 }
763 cx.notify()
764 })
765 .detach();
766
767 cx.subscribe(&project, move |this, project, event, cx| {
768 match event {
769 project::Event::RemoteIdChanged(remote_id) => {
770 this.project_remote_id_changed(*remote_id, cx);
771 }
772 project::Event::CollaboratorLeft(peer_id) => {
773 this.collaborator_left(*peer_id, cx);
774 }
775 project::Event::WorktreeRemoved(_) | project::Event::WorktreeAdded => {
776 this.update_window_title(cx);
777 }
778 _ => {}
779 }
780 if project.read(cx).is_read_only() {
781 cx.blur();
782 }
783 cx.notify()
784 })
785 .detach();
786
787 let pane = cx.add_view(|cx| Pane::new(cx));
788 let pane_id = pane.id();
789 cx.subscribe(&pane, move |this, _, event, cx| {
790 this.handle_pane_event(pane_id, event, cx)
791 })
792 .detach();
793 cx.focus(&pane);
794 cx.emit(Event::PaneAdded(pane.clone()));
795
796 let fs = project.read(cx).fs().clone();
797 let user_store = project.read(cx).user_store();
798 let client = project.read(cx).client();
799 let mut current_user = user_store.read(cx).watch_current_user().clone();
800 let mut connection_status = client.status().clone();
801 let _observe_current_user = cx.spawn_weak(|this, mut cx| async move {
802 current_user.recv().await;
803 connection_status.recv().await;
804 let mut stream =
805 Stream::map(current_user, drop).merge(Stream::map(connection_status, drop));
806
807 while stream.recv().await.is_some() {
808 cx.update(|cx| {
809 if let Some(this) = this.upgrade(cx) {
810 this.update(cx, |_, cx| cx.notify());
811 }
812 })
813 }
814 });
815
816 let weak_self = cx.weak_handle();
817
818 cx.emit_global(WorkspaceCreated(weak_self.clone()));
819
820 let left_sidebar = cx.add_view(|_| Sidebar::new(Side::Left));
821 let right_sidebar = cx.add_view(|_| Sidebar::new(Side::Right));
822 let left_sidebar_buttons = cx.add_view(|cx| SidebarButtons::new(left_sidebar.clone(), cx));
823 let right_sidebar_buttons =
824 cx.add_view(|cx| SidebarButtons::new(right_sidebar.clone(), cx));
825 let status_bar = cx.add_view(|cx| {
826 let mut status_bar = StatusBar::new(&pane.clone(), cx);
827 status_bar.add_left_item(left_sidebar_buttons, cx);
828 status_bar.add_right_item(right_sidebar_buttons, cx);
829 status_bar
830 });
831
832 let mut this = Workspace {
833 modal: None,
834 weak_self,
835 center: PaneGroup::new(pane.clone()),
836 panes: vec![pane.clone()],
837 active_pane: pane.clone(),
838 status_bar,
839 notifications: Default::default(),
840 client,
841 remote_entity_subscription: None,
842 user_store,
843 fs,
844 left_sidebar,
845 right_sidebar,
846 project,
847 leader_state: Default::default(),
848 follower_states_by_leader: Default::default(),
849 last_leaders_by_pane: Default::default(),
850 window_edited: false,
851 _observe_current_user,
852 };
853 this.project_remote_id_changed(this.project.read(cx).remote_id(), cx);
854 cx.defer(|this, cx| this.update_window_title(cx));
855
856 this
857 }
858
859 pub fn weak_handle(&self) -> WeakViewHandle<Self> {
860 self.weak_self.clone()
861 }
862
863 pub fn left_sidebar(&self) -> &ViewHandle<Sidebar> {
864 &self.left_sidebar
865 }
866
867 pub fn right_sidebar(&self) -> &ViewHandle<Sidebar> {
868 &self.right_sidebar
869 }
870
871 pub fn status_bar(&self) -> &ViewHandle<StatusBar> {
872 &self.status_bar
873 }
874
875 pub fn user_store(&self) -> &ModelHandle<UserStore> {
876 &self.user_store
877 }
878
879 pub fn project(&self) -> &ModelHandle<Project> {
880 &self.project
881 }
882
883 pub fn worktrees<'a>(
884 &self,
885 cx: &'a AppContext,
886 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
887 self.project.read(cx).worktrees(cx)
888 }
889
890 pub fn visible_worktrees<'a>(
891 &self,
892 cx: &'a AppContext,
893 ) -> impl 'a + Iterator<Item = ModelHandle<Worktree>> {
894 self.project.read(cx).visible_worktrees(cx)
895 }
896
897 pub fn worktree_scans_complete(&self, cx: &AppContext) -> impl Future<Output = ()> + 'static {
898 let futures = self
899 .worktrees(cx)
900 .filter_map(|worktree| worktree.read(cx).as_local())
901 .map(|worktree| worktree.scan_complete())
902 .collect::<Vec<_>>();
903 async move {
904 for future in futures {
905 future.await;
906 }
907 }
908 }
909
910 fn close(&mut self, _: &CloseWindow, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
911 let prepare = self.prepare_to_close(cx);
912 Some(cx.spawn(|this, mut cx| async move {
913 if prepare.await? {
914 this.update(&mut cx, |_, cx| {
915 let window_id = cx.window_id();
916 cx.remove_window(window_id);
917 });
918 }
919 Ok(())
920 }))
921 }
922
923 pub fn prepare_to_close(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<bool>> {
924 self.save_all_internal(true, cx)
925 }
926
927 fn save_all(&mut self, _: &SaveAll, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
928 let save_all = self.save_all_internal(false, cx);
929 Some(cx.foreground().spawn(async move {
930 save_all.await?;
931 Ok(())
932 }))
933 }
934
935 fn save_all_internal(
936 &mut self,
937 should_prompt_to_save: bool,
938 cx: &mut ViewContext<Self>,
939 ) -> Task<Result<bool>> {
940 let dirty_items = self
941 .panes
942 .iter()
943 .flat_map(|pane| {
944 pane.read(cx).items().filter_map(|item| {
945 if item.is_dirty(cx) {
946 Some((pane.clone(), item.boxed_clone()))
947 } else {
948 None
949 }
950 })
951 })
952 .collect::<Vec<_>>();
953
954 let project = self.project.clone();
955 cx.spawn_weak(|_, mut cx| async move {
956 // let mut saved_project_entry_ids = HashSet::default();
957 for (pane, item) in dirty_items {
958 let (is_singl, project_entry_ids) =
959 cx.read(|cx| (item.is_singleton(cx), item.project_entry_ids(cx)));
960 if is_singl || !project_entry_ids.is_empty() {
961 if let Some(ix) =
962 pane.read_with(&cx, |pane, _| pane.index_for_item(item.as_ref()))
963 {
964 if !Pane::save_item(
965 project.clone(),
966 &pane,
967 ix,
968 &item,
969 should_prompt_to_save,
970 &mut cx,
971 )
972 .await?
973 {
974 return Ok(false);
975 }
976 }
977 }
978 }
979 Ok(true)
980 })
981 }
982
983 pub fn open_paths(
984 &mut self,
985 mut abs_paths: Vec<PathBuf>,
986 visible: bool,
987 cx: &mut ViewContext<Self>,
988 ) -> Task<Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>> {
989 let fs = self.fs.clone();
990
991 // Sort the paths to ensure we add worktrees for parents before their children.
992 abs_paths.sort_unstable();
993 cx.spawn(|this, mut cx| async move {
994 let mut entries = Vec::new();
995 for path in &abs_paths {
996 entries.push(
997 this.update(&mut cx, |this, cx| {
998 this.project_path_for_path(path, visible, cx)
999 })
1000 .await
1001 .log_err(),
1002 );
1003 }
1004
1005 let tasks = abs_paths
1006 .iter()
1007 .cloned()
1008 .zip(entries.into_iter())
1009 .map(|(abs_path, project_path)| {
1010 let this = this.clone();
1011 cx.spawn(|mut cx| {
1012 let fs = fs.clone();
1013 async move {
1014 let (_worktree, project_path) = project_path?;
1015 if fs.is_file(&abs_path).await {
1016 Some(
1017 this.update(&mut cx, |this, cx| {
1018 this.open_path(project_path, true, cx)
1019 })
1020 .await,
1021 )
1022 } else {
1023 None
1024 }
1025 }
1026 })
1027 })
1028 .collect::<Vec<_>>();
1029
1030 futures::future::join_all(tasks).await
1031 })
1032 }
1033
1034 fn add_folder_to_project(&mut self, _: &AddFolderToProject, cx: &mut ViewContext<Self>) {
1035 let mut paths = cx.prompt_for_paths(PathPromptOptions {
1036 files: false,
1037 directories: true,
1038 multiple: true,
1039 });
1040 cx.spawn(|this, mut cx| async move {
1041 if let Some(paths) = paths.recv().await.flatten() {
1042 let results = this
1043 .update(&mut cx, |this, cx| this.open_paths(paths, true, cx))
1044 .await;
1045 for result in results {
1046 if let Some(result) = result {
1047 result.log_err();
1048 }
1049 }
1050 }
1051 })
1052 .detach();
1053 }
1054
1055 fn remove_folder_from_project(
1056 &mut self,
1057 RemoveWorktreeFromProject(worktree_id): &RemoveWorktreeFromProject,
1058 cx: &mut ViewContext<Self>,
1059 ) {
1060 self.project
1061 .update(cx, |project, cx| project.remove_worktree(*worktree_id, cx));
1062 }
1063
1064 fn toggle_project_online(&mut self, action: &ToggleProjectOnline, cx: &mut ViewContext<Self>) {
1065 let project = action
1066 .project
1067 .clone()
1068 .unwrap_or_else(|| self.project.clone());
1069 project.update(cx, |project, cx| {
1070 let public = !project.is_online();
1071 project.set_online(public, cx);
1072 });
1073 }
1074
1075 fn project_path_for_path(
1076 &self,
1077 abs_path: &Path,
1078 visible: bool,
1079 cx: &mut ViewContext<Self>,
1080 ) -> Task<Result<(ModelHandle<Worktree>, ProjectPath)>> {
1081 let entry = self.project().update(cx, |project, cx| {
1082 project.find_or_create_local_worktree(abs_path, visible, cx)
1083 });
1084 cx.spawn(|_, cx| async move {
1085 let (worktree, path) = entry.await?;
1086 let worktree_id = worktree.read_with(&cx, |t, _| t.id());
1087 Ok((
1088 worktree,
1089 ProjectPath {
1090 worktree_id,
1091 path: path.into(),
1092 },
1093 ))
1094 })
1095 }
1096
1097 /// Returns the modal that was toggled closed if it was open.
1098 pub fn toggle_modal<V, F>(
1099 &mut self,
1100 cx: &mut ViewContext<Self>,
1101 add_view: F,
1102 ) -> Option<ViewHandle<V>>
1103 where
1104 V: 'static + View,
1105 F: FnOnce(&mut Self, &mut ViewContext<Self>) -> ViewHandle<V>,
1106 {
1107 cx.notify();
1108 // Whatever modal was visible is getting clobbered. If its the same type as V, then return
1109 // it. Otherwise, create a new modal and set it as active.
1110 let already_open_modal = self.modal.take().and_then(|modal| modal.downcast::<V>());
1111 if let Some(already_open_modal) = already_open_modal {
1112 cx.focus_self();
1113 Some(already_open_modal)
1114 } else {
1115 let modal = add_view(self, cx);
1116 cx.focus(&modal);
1117 self.modal = Some(modal.into());
1118 None
1119 }
1120 }
1121
1122 pub fn modal(&self) -> Option<&AnyViewHandle> {
1123 self.modal.as_ref()
1124 }
1125
1126 pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
1127 if self.modal.take().is_some() {
1128 cx.focus(&self.active_pane);
1129 cx.notify();
1130 }
1131 }
1132
1133 pub fn show_notification<V: Notification>(
1134 &mut self,
1135 id: usize,
1136 cx: &mut ViewContext<Self>,
1137 build_notification: impl FnOnce(&mut ViewContext<Self>) -> ViewHandle<V>,
1138 ) {
1139 let type_id = TypeId::of::<V>();
1140 if self
1141 .notifications
1142 .iter()
1143 .all(|(existing_type_id, existing_id, _)| {
1144 (*existing_type_id, *existing_id) != (type_id, id)
1145 })
1146 {
1147 let notification = build_notification(cx);
1148 cx.subscribe(¬ification, move |this, handle, event, cx| {
1149 if handle.read(cx).should_dismiss_notification_on_event(event) {
1150 this.dismiss_notification(type_id, id, cx);
1151 }
1152 })
1153 .detach();
1154 self.notifications
1155 .push((type_id, id, Box::new(notification)));
1156 cx.notify();
1157 }
1158 }
1159
1160 fn dismiss_notification(&mut self, type_id: TypeId, id: usize, cx: &mut ViewContext<Self>) {
1161 self.notifications
1162 .retain(|(existing_type_id, existing_id, _)| {
1163 if (*existing_type_id, *existing_id) == (type_id, id) {
1164 cx.notify();
1165 false
1166 } else {
1167 true
1168 }
1169 });
1170 }
1171
1172 pub fn items<'a>(
1173 &'a self,
1174 cx: &'a AppContext,
1175 ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
1176 self.panes.iter().flat_map(|pane| pane.read(cx).items())
1177 }
1178
1179 pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
1180 self.items_of_type(cx).max_by_key(|item| item.id())
1181 }
1182
1183 pub fn items_of_type<'a, T: Item>(
1184 &'a self,
1185 cx: &'a AppContext,
1186 ) -> impl 'a + Iterator<Item = ViewHandle<T>> {
1187 self.panes
1188 .iter()
1189 .flat_map(|pane| pane.read(cx).items_of_type())
1190 }
1191
1192 pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
1193 self.active_pane().read(cx).active_item()
1194 }
1195
1196 fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
1197 self.active_item(cx).and_then(|item| item.project_path(cx))
1198 }
1199
1200 pub fn save_active_item(
1201 &mut self,
1202 force_name_change: bool,
1203 cx: &mut ViewContext<Self>,
1204 ) -> Task<Result<()>> {
1205 let project = self.project.clone();
1206 if let Some(item) = self.active_item(cx) {
1207 if !force_name_change && item.can_save(cx) {
1208 if item.has_conflict(cx.as_ref()) {
1209 const CONFLICT_MESSAGE: &'static str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1210
1211 let mut answer = cx.prompt(
1212 PromptLevel::Warning,
1213 CONFLICT_MESSAGE,
1214 &["Overwrite", "Cancel"],
1215 );
1216 cx.spawn(|_, mut cx| async move {
1217 let answer = answer.recv().await;
1218 if answer == Some(0) {
1219 cx.update(|cx| item.save(project, cx)).await?;
1220 }
1221 Ok(())
1222 })
1223 } else {
1224 item.save(project, cx)
1225 }
1226 } else if item.is_singleton(cx) {
1227 let worktree = self.worktrees(cx).next();
1228 let start_abs_path = worktree
1229 .and_then(|w| w.read(cx).as_local())
1230 .map_or(Path::new(""), |w| w.abs_path())
1231 .to_path_buf();
1232 let mut abs_path = cx.prompt_for_new_path(&start_abs_path);
1233 cx.spawn(|_, mut cx| async move {
1234 if let Some(abs_path) = abs_path.recv().await.flatten() {
1235 cx.update(|cx| item.save_as(project, abs_path, cx)).await?;
1236 }
1237 Ok(())
1238 })
1239 } else {
1240 Task::ready(Ok(()))
1241 }
1242 } else {
1243 Task::ready(Ok(()))
1244 }
1245 }
1246
1247 pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
1248 let sidebar = match action.side {
1249 Side::Left => &mut self.left_sidebar,
1250 Side::Right => &mut self.right_sidebar,
1251 };
1252 let active_item = sidebar.update(cx, |sidebar, cx| {
1253 sidebar.toggle_item(action.item_index, cx);
1254 sidebar.active_item().map(|item| item.to_any())
1255 });
1256 if let Some(active_item) = active_item {
1257 cx.focus(active_item);
1258 } else {
1259 cx.focus_self();
1260 }
1261 cx.notify();
1262 }
1263
1264 pub fn toggle_sidebar_item_focus(
1265 &mut self,
1266 action: &ToggleSidebarItemFocus,
1267 cx: &mut ViewContext<Self>,
1268 ) {
1269 let sidebar = match action.side {
1270 Side::Left => &mut self.left_sidebar,
1271 Side::Right => &mut self.right_sidebar,
1272 };
1273 let active_item = sidebar.update(cx, |sidebar, cx| {
1274 sidebar.activate_item(action.item_index, cx);
1275 sidebar.active_item().cloned()
1276 });
1277 if let Some(active_item) = active_item {
1278 if active_item.is_focused(cx) {
1279 cx.focus_self();
1280 } else {
1281 cx.focus(active_item.to_any());
1282 }
1283 }
1284 cx.notify();
1285 }
1286
1287 pub fn focus_center(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
1288 cx.focus_self();
1289 cx.notify();
1290 }
1291
1292 fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
1293 let pane = cx.add_view(|cx| Pane::new(cx));
1294 let pane_id = pane.id();
1295 cx.subscribe(&pane, move |this, _, event, cx| {
1296 this.handle_pane_event(pane_id, event, cx)
1297 })
1298 .detach();
1299 self.panes.push(pane.clone());
1300 self.activate_pane(pane.clone(), cx);
1301 cx.emit(Event::PaneAdded(pane.clone()));
1302 pane
1303 }
1304
1305 pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
1306 let pane = self.active_pane().clone();
1307 Pane::add_item(self, pane, item, true, true, cx);
1308 }
1309
1310 pub fn open_path(
1311 &mut self,
1312 path: impl Into<ProjectPath>,
1313 focus_item: bool,
1314 cx: &mut ViewContext<Self>,
1315 ) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
1316 let pane = self.active_pane().downgrade();
1317 let task = self.load_path(path.into(), cx);
1318 cx.spawn(|this, mut cx| async move {
1319 let (project_entry_id, build_item) = task.await?;
1320 let pane = pane
1321 .upgrade(&cx)
1322 .ok_or_else(|| anyhow!("pane was closed"))?;
1323 this.update(&mut cx, |this, cx| {
1324 Ok(Pane::open_item(
1325 this,
1326 pane,
1327 project_entry_id,
1328 focus_item,
1329 cx,
1330 build_item,
1331 ))
1332 })
1333 })
1334 }
1335
1336 pub(crate) fn load_path(
1337 &mut self,
1338 path: ProjectPath,
1339 cx: &mut ViewContext<Self>,
1340 ) -> Task<
1341 Result<(
1342 ProjectEntryId,
1343 impl 'static + FnOnce(&mut MutableAppContext) -> Box<dyn ItemHandle>,
1344 )>,
1345 > {
1346 let project = self.project().clone();
1347 let project_item = project.update(cx, |project, cx| project.open_path(path, cx));
1348 let window_id = cx.window_id();
1349 cx.as_mut().spawn(|mut cx| async move {
1350 let (project_entry_id, project_item) = project_item.await?;
1351 let build_item = cx.update(|cx| {
1352 cx.default_global::<ProjectItemBuilders>()
1353 .get(&project_item.model_type())
1354 .ok_or_else(|| anyhow!("no item builder for project item"))
1355 .cloned()
1356 })?;
1357 let build_item =
1358 move |cx: &mut MutableAppContext| build_item(window_id, project, project_item, cx);
1359 Ok((project_entry_id, build_item))
1360 })
1361 }
1362
1363 pub fn open_project_item<T>(
1364 &mut self,
1365 project_item: ModelHandle<T::Item>,
1366 cx: &mut ViewContext<Self>,
1367 ) -> ViewHandle<T>
1368 where
1369 T: ProjectItem,
1370 {
1371 use project::Item as _;
1372
1373 let entry_id = project_item.read(cx).entry_id(cx);
1374 if let Some(item) = entry_id
1375 .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
1376 .and_then(|item| item.downcast())
1377 {
1378 self.activate_item(&item, cx);
1379 return item;
1380 }
1381
1382 let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
1383 self.add_item(Box::new(item.clone()), cx);
1384 item
1385 }
1386
1387 pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
1388 let result = self.panes.iter().find_map(|pane| {
1389 if let Some(ix) = pane.read(cx).index_for_item(item) {
1390 Some((pane.clone(), ix))
1391 } else {
1392 None
1393 }
1394 });
1395 if let Some((pane, ix)) = result {
1396 self.activate_pane(pane.clone(), cx);
1397 pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
1398 true
1399 } else {
1400 false
1401 }
1402 }
1403
1404 pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
1405 let next_pane = {
1406 let panes = self.center.panes();
1407 let ix = panes
1408 .iter()
1409 .position(|pane| **pane == self.active_pane)
1410 .unwrap();
1411 let next_ix = (ix + 1) % panes.len();
1412 panes[next_ix].clone()
1413 };
1414 self.activate_pane(next_pane, cx);
1415 }
1416
1417 pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
1418 let prev_pane = {
1419 let panes = self.center.panes();
1420 let ix = panes
1421 .iter()
1422 .position(|pane| **pane == self.active_pane)
1423 .unwrap();
1424 let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
1425 panes[prev_ix].clone()
1426 };
1427 self.activate_pane(prev_pane, cx);
1428 }
1429
1430 fn activate_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1431 if self.active_pane != pane {
1432 self.active_pane = pane.clone();
1433 self.status_bar.update(cx, |status_bar, cx| {
1434 status_bar.set_active_pane(&self.active_pane, cx);
1435 });
1436 self.active_item_path_changed(cx);
1437 cx.focus(&self.active_pane);
1438 cx.notify();
1439 }
1440
1441 self.update_followers(
1442 proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
1443 id: self.active_item(cx).map(|item| item.id() as u64),
1444 leader_id: self.leader_for_pane(&pane).map(|id| id.0),
1445 }),
1446 cx,
1447 );
1448 }
1449
1450 fn handle_pane_event(
1451 &mut self,
1452 pane_id: usize,
1453 event: &pane::Event,
1454 cx: &mut ViewContext<Self>,
1455 ) {
1456 if let Some(pane) = self.pane(pane_id) {
1457 match event {
1458 pane::Event::Split(direction) => {
1459 self.split_pane(pane, *direction, cx);
1460 }
1461 pane::Event::Remove => {
1462 self.remove_pane(pane, cx);
1463 }
1464 pane::Event::Activate => {
1465 self.activate_pane(pane, cx);
1466 }
1467 pane::Event::ActivateItem { local } => {
1468 if *local {
1469 self.unfollow(&pane, cx);
1470 }
1471 if pane == self.active_pane {
1472 self.active_item_path_changed(cx);
1473 }
1474 }
1475 pane::Event::ChangeItemTitle => {
1476 if pane == self.active_pane {
1477 self.active_item_path_changed(cx);
1478 }
1479 self.update_window_edited(cx);
1480 }
1481 }
1482 } else {
1483 error!("pane {} not found", pane_id);
1484 }
1485 }
1486
1487 pub fn split_pane(
1488 &mut self,
1489 pane: ViewHandle<Pane>,
1490 direction: SplitDirection,
1491 cx: &mut ViewContext<Self>,
1492 ) -> ViewHandle<Pane> {
1493 let new_pane = self.add_pane(cx);
1494 self.activate_pane(new_pane.clone(), cx);
1495 if let Some(item) = pane.read(cx).active_item() {
1496 if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1497 Pane::add_item(self, new_pane.clone(), clone, true, true, cx);
1498 }
1499 }
1500 self.center.split(&pane, &new_pane, direction).unwrap();
1501 cx.notify();
1502 new_pane
1503 }
1504
1505 fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1506 if self.center.remove(&pane).unwrap() {
1507 self.panes.retain(|p| p != &pane);
1508 self.activate_pane(self.panes.last().unwrap().clone(), cx);
1509 self.unfollow(&pane, cx);
1510 self.last_leaders_by_pane.remove(&pane.downgrade());
1511 cx.notify();
1512 } else {
1513 self.active_item_path_changed(cx);
1514 }
1515 }
1516
1517 pub fn panes(&self) -> &[ViewHandle<Pane>] {
1518 &self.panes
1519 }
1520
1521 fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1522 self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1523 }
1524
1525 pub fn active_pane(&self) -> &ViewHandle<Pane> {
1526 &self.active_pane
1527 }
1528
1529 fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
1530 if let Some(remote_id) = remote_id {
1531 self.remote_entity_subscription =
1532 Some(self.client.add_view_for_remote_entity(remote_id, cx));
1533 } else {
1534 self.remote_entity_subscription.take();
1535 }
1536 }
1537
1538 fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
1539 self.leader_state.followers.remove(&peer_id);
1540 if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
1541 for state in states_by_pane.into_values() {
1542 for item in state.items_by_leader_view_id.into_values() {
1543 if let FollowerItem::Loaded(item) = item {
1544 item.set_leader_replica_id(None, cx);
1545 }
1546 }
1547 }
1548 }
1549 cx.notify();
1550 }
1551
1552 pub fn toggle_follow(
1553 &mut self,
1554 ToggleFollow(leader_id): &ToggleFollow,
1555 cx: &mut ViewContext<Self>,
1556 ) -> Option<Task<Result<()>>> {
1557 let leader_id = *leader_id;
1558 let pane = self.active_pane().clone();
1559
1560 if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
1561 if leader_id == prev_leader_id {
1562 return None;
1563 }
1564 }
1565
1566 self.last_leaders_by_pane
1567 .insert(pane.downgrade(), leader_id);
1568 self.follower_states_by_leader
1569 .entry(leader_id)
1570 .or_default()
1571 .insert(pane.clone(), Default::default());
1572 cx.notify();
1573
1574 let project_id = self.project.read(cx).remote_id()?;
1575 let request = self.client.request(proto::Follow {
1576 project_id,
1577 leader_id: leader_id.0,
1578 });
1579 Some(cx.spawn_weak(|this, mut cx| async move {
1580 let response = request.await?;
1581 if let Some(this) = this.upgrade(&cx) {
1582 this.update(&mut cx, |this, _| {
1583 let state = this
1584 .follower_states_by_leader
1585 .get_mut(&leader_id)
1586 .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
1587 .ok_or_else(|| anyhow!("following interrupted"))?;
1588 state.active_view_id = response.active_view_id;
1589 Ok::<_, anyhow::Error>(())
1590 })?;
1591 Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
1592 .await?;
1593 }
1594 Ok(())
1595 }))
1596 }
1597
1598 pub fn follow_next_collaborator(
1599 &mut self,
1600 _: &FollowNextCollaborator,
1601 cx: &mut ViewContext<Self>,
1602 ) -> Option<Task<Result<()>>> {
1603 let collaborators = self.project.read(cx).collaborators();
1604 let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
1605 let mut collaborators = collaborators.keys().copied();
1606 while let Some(peer_id) = collaborators.next() {
1607 if peer_id == leader_id {
1608 break;
1609 }
1610 }
1611 collaborators.next()
1612 } else if let Some(last_leader_id) =
1613 self.last_leaders_by_pane.get(&self.active_pane.downgrade())
1614 {
1615 if collaborators.contains_key(last_leader_id) {
1616 Some(*last_leader_id)
1617 } else {
1618 None
1619 }
1620 } else {
1621 None
1622 };
1623
1624 next_leader_id
1625 .or_else(|| collaborators.keys().copied().next())
1626 .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
1627 }
1628
1629 pub fn unfollow(
1630 &mut self,
1631 pane: &ViewHandle<Pane>,
1632 cx: &mut ViewContext<Self>,
1633 ) -> Option<PeerId> {
1634 for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
1635 let leader_id = *leader_id;
1636 if let Some(state) = states_by_pane.remove(&pane) {
1637 for (_, item) in state.items_by_leader_view_id {
1638 if let FollowerItem::Loaded(item) = item {
1639 item.set_leader_replica_id(None, cx);
1640 }
1641 }
1642
1643 if states_by_pane.is_empty() {
1644 self.follower_states_by_leader.remove(&leader_id);
1645 if let Some(project_id) = self.project.read(cx).remote_id() {
1646 self.client
1647 .send(proto::Unfollow {
1648 project_id,
1649 leader_id: leader_id.0,
1650 })
1651 .log_err();
1652 }
1653 }
1654
1655 cx.notify();
1656 return Some(leader_id);
1657 }
1658 }
1659 None
1660 }
1661
1662 fn render_connection_status(&self, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
1663 let theme = &cx.global::<Settings>().theme;
1664 match &*self.client.status().borrow() {
1665 client::Status::ConnectionError
1666 | client::Status::ConnectionLost
1667 | client::Status::Reauthenticating
1668 | client::Status::Reconnecting { .. }
1669 | client::Status::ReconnectionError { .. } => Some(
1670 Container::new(
1671 Align::new(
1672 ConstrainedBox::new(
1673 Svg::new("icons/offline-14.svg")
1674 .with_color(theme.workspace.titlebar.offline_icon.color)
1675 .boxed(),
1676 )
1677 .with_width(theme.workspace.titlebar.offline_icon.width)
1678 .boxed(),
1679 )
1680 .boxed(),
1681 )
1682 .with_style(theme.workspace.titlebar.offline_icon.container)
1683 .boxed(),
1684 ),
1685 client::Status::UpgradeRequired => Some(
1686 Label::new(
1687 "Please update Zed to collaborate".to_string(),
1688 theme.workspace.titlebar.outdated_warning.text.clone(),
1689 )
1690 .contained()
1691 .with_style(theme.workspace.titlebar.outdated_warning.container)
1692 .aligned()
1693 .boxed(),
1694 ),
1695 _ => None,
1696 }
1697 }
1698
1699 fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
1700 let project = &self.project.read(cx);
1701 let replica_id = project.replica_id();
1702 let mut worktree_root_names = String::new();
1703 for (i, name) in project.worktree_root_names(cx).enumerate() {
1704 if i > 0 {
1705 worktree_root_names.push_str(", ");
1706 }
1707 worktree_root_names.push_str(name);
1708 }
1709
1710 ConstrainedBox::new(
1711 Container::new(
1712 Stack::new()
1713 .with_child(
1714 Label::new(worktree_root_names, theme.workspace.titlebar.title.clone())
1715 .aligned()
1716 .left()
1717 .boxed(),
1718 )
1719 .with_child(
1720 Align::new(
1721 Flex::row()
1722 .with_children(self.render_collaborators(theme, cx))
1723 .with_children(self.render_current_user(
1724 self.user_store.read(cx).current_user().as_ref(),
1725 replica_id,
1726 theme,
1727 cx,
1728 ))
1729 .with_children(self.render_connection_status(cx))
1730 .boxed(),
1731 )
1732 .right()
1733 .boxed(),
1734 )
1735 .boxed(),
1736 )
1737 .with_style(theme.workspace.titlebar.container)
1738 .boxed(),
1739 )
1740 .with_height(theme.workspace.titlebar.height)
1741 .named("titlebar")
1742 }
1743
1744 fn active_item_path_changed(&mut self, cx: &mut ViewContext<Self>) {
1745 let active_entry = self.active_project_path(cx);
1746 self.project
1747 .update(cx, |project, cx| project.set_active_path(active_entry, cx));
1748 self.update_window_title(cx);
1749 }
1750
1751 fn update_window_title(&mut self, cx: &mut ViewContext<Self>) {
1752 let mut title = String::new();
1753 let project = self.project().read(cx);
1754 if let Some(path) = self.active_item(cx).and_then(|item| item.project_path(cx)) {
1755 let filename = path
1756 .path
1757 .file_name()
1758 .map(|s| s.to_string_lossy())
1759 .or_else(|| {
1760 Some(Cow::Borrowed(
1761 project
1762 .worktree_for_id(path.worktree_id, cx)?
1763 .read(cx)
1764 .root_name(),
1765 ))
1766 });
1767 if let Some(filename) = filename {
1768 title.push_str(filename.as_ref());
1769 title.push_str(" — ");
1770 }
1771 }
1772 for (i, name) in project.worktree_root_names(cx).enumerate() {
1773 if i > 0 {
1774 title.push_str(", ");
1775 }
1776 title.push_str(name);
1777 }
1778 if title.is_empty() {
1779 title = "empty project".to_string();
1780 }
1781 cx.set_window_title(&title);
1782 }
1783
1784 fn update_window_edited(&mut self, cx: &mut ViewContext<Self>) {
1785 let is_edited = self
1786 .items(cx)
1787 .any(|item| item.has_conflict(cx) || item.is_dirty(cx));
1788 if is_edited != self.window_edited {
1789 self.window_edited = is_edited;
1790 cx.set_window_edited(self.window_edited)
1791 }
1792 }
1793
1794 fn render_collaborators(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Vec<ElementBox> {
1795 let mut collaborators = self
1796 .project
1797 .read(cx)
1798 .collaborators()
1799 .values()
1800 .cloned()
1801 .collect::<Vec<_>>();
1802 collaborators.sort_unstable_by_key(|collaborator| collaborator.replica_id);
1803 collaborators
1804 .into_iter()
1805 .filter_map(|collaborator| {
1806 Some(self.render_avatar(
1807 collaborator.user.avatar.clone()?,
1808 collaborator.replica_id,
1809 Some((collaborator.peer_id, &collaborator.user.github_login)),
1810 theme,
1811 cx,
1812 ))
1813 })
1814 .collect()
1815 }
1816
1817 fn render_current_user(
1818 &self,
1819 user: Option<&Arc<User>>,
1820 replica_id: ReplicaId,
1821 theme: &Theme,
1822 cx: &mut RenderContext<Self>,
1823 ) -> Option<ElementBox> {
1824 let status = *self.client.status().borrow();
1825 if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
1826 Some(self.render_avatar(avatar, replica_id, None, theme, cx))
1827 } else if matches!(status, client::Status::UpgradeRequired) {
1828 None
1829 } else {
1830 Some(
1831 MouseEventHandler::new::<Authenticate, _, _>(0, cx, |state, _| {
1832 let style = theme
1833 .workspace
1834 .titlebar
1835 .sign_in_prompt
1836 .style_for(state, false);
1837 Label::new("Sign in".to_string(), style.text.clone())
1838 .contained()
1839 .with_style(style.container)
1840 .boxed()
1841 })
1842 .on_click(|_, _, cx| cx.dispatch_action(Authenticate))
1843 .with_cursor_style(CursorStyle::PointingHand)
1844 .aligned()
1845 .boxed(),
1846 )
1847 }
1848 }
1849
1850 fn render_avatar(
1851 &self,
1852 avatar: Arc<ImageData>,
1853 replica_id: ReplicaId,
1854 peer: Option<(PeerId, &str)>,
1855 theme: &Theme,
1856 cx: &mut RenderContext<Self>,
1857 ) -> ElementBox {
1858 let replica_color = theme.editor.replica_selection_style(replica_id).cursor;
1859 let is_followed = peer.map_or(false, |(peer_id, _)| {
1860 self.follower_states_by_leader.contains_key(&peer_id)
1861 });
1862 let mut avatar_style = theme.workspace.titlebar.avatar;
1863 if is_followed {
1864 avatar_style.border = Border::all(1.0, replica_color);
1865 }
1866 let content = Stack::new()
1867 .with_child(
1868 Image::new(avatar)
1869 .with_style(avatar_style)
1870 .constrained()
1871 .with_width(theme.workspace.titlebar.avatar_width)
1872 .aligned()
1873 .boxed(),
1874 )
1875 .with_child(
1876 AvatarRibbon::new(replica_color)
1877 .constrained()
1878 .with_width(theme.workspace.titlebar.avatar_ribbon.width)
1879 .with_height(theme.workspace.titlebar.avatar_ribbon.height)
1880 .aligned()
1881 .bottom()
1882 .boxed(),
1883 )
1884 .constrained()
1885 .with_width(theme.workspace.titlebar.avatar_width)
1886 .contained()
1887 .with_margin_left(theme.workspace.titlebar.avatar_margin)
1888 .boxed();
1889
1890 if let Some((peer_id, peer_github_login)) = peer {
1891 MouseEventHandler::new::<ToggleFollow, _, _>(replica_id.into(), cx, move |_, _| content)
1892 .with_cursor_style(CursorStyle::PointingHand)
1893 .on_click(move |_, _, cx| cx.dispatch_action(ToggleFollow(peer_id)))
1894 .with_tooltip::<ToggleFollow, _>(
1895 peer_id.0 as usize,
1896 if is_followed {
1897 format!("Unfollow {}", peer_github_login)
1898 } else {
1899 format!("Follow {}", peer_github_login)
1900 },
1901 Some(Box::new(FollowNextCollaborator)),
1902 theme.tooltip.clone(),
1903 cx,
1904 )
1905 .boxed()
1906 } else {
1907 content
1908 }
1909 }
1910
1911 fn render_disconnected_overlay(&self, cx: &AppContext) -> Option<ElementBox> {
1912 if self.project.read(cx).is_read_only() {
1913 let theme = &cx.global::<Settings>().theme;
1914 Some(
1915 EventHandler::new(
1916 Label::new(
1917 "Your connection to the remote project has been lost.".to_string(),
1918 theme.workspace.disconnected_overlay.text.clone(),
1919 )
1920 .aligned()
1921 .contained()
1922 .with_style(theme.workspace.disconnected_overlay.container)
1923 .boxed(),
1924 )
1925 .capture_all::<Self>(0)
1926 .boxed(),
1927 )
1928 } else {
1929 None
1930 }
1931 }
1932
1933 fn render_notifications(&self, theme: &theme::Workspace) -> Option<ElementBox> {
1934 if self.notifications.is_empty() {
1935 None
1936 } else {
1937 Some(
1938 Flex::column()
1939 .with_children(self.notifications.iter().map(|(_, _, notification)| {
1940 ChildView::new(notification.as_ref())
1941 .contained()
1942 .with_style(theme.notification)
1943 .boxed()
1944 }))
1945 .constrained()
1946 .with_width(theme.notifications.width)
1947 .contained()
1948 .with_style(theme.notifications.container)
1949 .aligned()
1950 .bottom()
1951 .right()
1952 .boxed(),
1953 )
1954 }
1955 }
1956
1957 // RPC handlers
1958
1959 async fn handle_follow(
1960 this: ViewHandle<Self>,
1961 envelope: TypedEnvelope<proto::Follow>,
1962 _: Arc<Client>,
1963 mut cx: AsyncAppContext,
1964 ) -> Result<proto::FollowResponse> {
1965 this.update(&mut cx, |this, cx| {
1966 this.leader_state
1967 .followers
1968 .insert(envelope.original_sender_id()?);
1969
1970 let active_view_id = this
1971 .active_item(cx)
1972 .and_then(|i| i.to_followable_item_handle(cx))
1973 .map(|i| i.id() as u64);
1974 Ok(proto::FollowResponse {
1975 active_view_id,
1976 views: this
1977 .panes()
1978 .iter()
1979 .flat_map(|pane| {
1980 let leader_id = this.leader_for_pane(pane).map(|id| id.0);
1981 pane.read(cx).items().filter_map({
1982 let cx = &cx;
1983 move |item| {
1984 let id = item.id() as u64;
1985 let item = item.to_followable_item_handle(cx)?;
1986 let variant = item.to_state_proto(cx)?;
1987 Some(proto::View {
1988 id,
1989 leader_id,
1990 variant: Some(variant),
1991 })
1992 }
1993 })
1994 })
1995 .collect(),
1996 })
1997 })
1998 }
1999
2000 async fn handle_unfollow(
2001 this: ViewHandle<Self>,
2002 envelope: TypedEnvelope<proto::Unfollow>,
2003 _: Arc<Client>,
2004 mut cx: AsyncAppContext,
2005 ) -> Result<()> {
2006 this.update(&mut cx, |this, _| {
2007 this.leader_state
2008 .followers
2009 .remove(&envelope.original_sender_id()?);
2010 Ok(())
2011 })
2012 }
2013
2014 async fn handle_update_followers(
2015 this: ViewHandle<Self>,
2016 envelope: TypedEnvelope<proto::UpdateFollowers>,
2017 _: Arc<Client>,
2018 mut cx: AsyncAppContext,
2019 ) -> Result<()> {
2020 let leader_id = envelope.original_sender_id()?;
2021 match envelope
2022 .payload
2023 .variant
2024 .ok_or_else(|| anyhow!("invalid update"))?
2025 {
2026 proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
2027 this.update(&mut cx, |this, cx| {
2028 this.update_leader_state(leader_id, cx, |state, _| {
2029 state.active_view_id = update_active_view.id;
2030 });
2031 Ok::<_, anyhow::Error>(())
2032 })
2033 }
2034 proto::update_followers::Variant::UpdateView(update_view) => {
2035 this.update(&mut cx, |this, cx| {
2036 let variant = update_view
2037 .variant
2038 .ok_or_else(|| anyhow!("missing update view variant"))?;
2039 this.update_leader_state(leader_id, cx, |state, cx| {
2040 let variant = variant.clone();
2041 match state
2042 .items_by_leader_view_id
2043 .entry(update_view.id)
2044 .or_insert(FollowerItem::Loading(Vec::new()))
2045 {
2046 FollowerItem::Loaded(item) => {
2047 item.apply_update_proto(variant, cx).log_err();
2048 }
2049 FollowerItem::Loading(updates) => updates.push(variant),
2050 }
2051 });
2052 Ok(())
2053 })
2054 }
2055 proto::update_followers::Variant::CreateView(view) => {
2056 let panes = this.read_with(&cx, |this, _| {
2057 this.follower_states_by_leader
2058 .get(&leader_id)
2059 .into_iter()
2060 .flat_map(|states_by_pane| states_by_pane.keys())
2061 .cloned()
2062 .collect()
2063 });
2064 Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
2065 .await?;
2066 Ok(())
2067 }
2068 }
2069 .log_err();
2070
2071 Ok(())
2072 }
2073
2074 async fn add_views_from_leader(
2075 this: ViewHandle<Self>,
2076 leader_id: PeerId,
2077 panes: Vec<ViewHandle<Pane>>,
2078 views: Vec<proto::View>,
2079 cx: &mut AsyncAppContext,
2080 ) -> Result<()> {
2081 let project = this.read_with(cx, |this, _| this.project.clone());
2082 let replica_id = project
2083 .read_with(cx, |project, _| {
2084 project
2085 .collaborators()
2086 .get(&leader_id)
2087 .map(|c| c.replica_id)
2088 })
2089 .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
2090
2091 let item_builders = cx.update(|cx| {
2092 cx.default_global::<FollowableItemBuilders>()
2093 .values()
2094 .map(|b| b.0)
2095 .collect::<Vec<_>>()
2096 .clone()
2097 });
2098
2099 let mut item_tasks_by_pane = HashMap::default();
2100 for pane in panes {
2101 let mut item_tasks = Vec::new();
2102 let mut leader_view_ids = Vec::new();
2103 for view in &views {
2104 let mut variant = view.variant.clone();
2105 if variant.is_none() {
2106 Err(anyhow!("missing variant"))?;
2107 }
2108 for build_item in &item_builders {
2109 let task =
2110 cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
2111 if let Some(task) = task {
2112 item_tasks.push(task);
2113 leader_view_ids.push(view.id);
2114 break;
2115 } else {
2116 assert!(variant.is_some());
2117 }
2118 }
2119 }
2120
2121 item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
2122 }
2123
2124 for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
2125 let items = futures::future::try_join_all(item_tasks).await?;
2126 this.update(cx, |this, cx| {
2127 let state = this
2128 .follower_states_by_leader
2129 .get_mut(&leader_id)?
2130 .get_mut(&pane)?;
2131
2132 for (id, item) in leader_view_ids.into_iter().zip(items) {
2133 item.set_leader_replica_id(Some(replica_id), cx);
2134 match state.items_by_leader_view_id.entry(id) {
2135 hash_map::Entry::Occupied(e) => {
2136 let e = e.into_mut();
2137 if let FollowerItem::Loading(updates) = e {
2138 for update in updates.drain(..) {
2139 item.apply_update_proto(update, cx)
2140 .context("failed to apply view update")
2141 .log_err();
2142 }
2143 }
2144 *e = FollowerItem::Loaded(item);
2145 }
2146 hash_map::Entry::Vacant(e) => {
2147 e.insert(FollowerItem::Loaded(item));
2148 }
2149 }
2150 }
2151
2152 Some(())
2153 });
2154 }
2155 this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
2156
2157 Ok(())
2158 }
2159
2160 fn update_followers(
2161 &self,
2162 update: proto::update_followers::Variant,
2163 cx: &AppContext,
2164 ) -> Option<()> {
2165 let project_id = self.project.read(cx).remote_id()?;
2166 if !self.leader_state.followers.is_empty() {
2167 self.client
2168 .send(proto::UpdateFollowers {
2169 project_id,
2170 follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
2171 variant: Some(update),
2172 })
2173 .log_err();
2174 }
2175 None
2176 }
2177
2178 pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
2179 self.follower_states_by_leader
2180 .iter()
2181 .find_map(|(leader_id, state)| {
2182 if state.contains_key(pane) {
2183 Some(*leader_id)
2184 } else {
2185 None
2186 }
2187 })
2188 }
2189
2190 fn update_leader_state(
2191 &mut self,
2192 leader_id: PeerId,
2193 cx: &mut ViewContext<Self>,
2194 mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
2195 ) {
2196 for (_, state) in self
2197 .follower_states_by_leader
2198 .get_mut(&leader_id)
2199 .into_iter()
2200 .flatten()
2201 {
2202 update_fn(state, cx);
2203 }
2204 self.leader_updated(leader_id, cx);
2205 }
2206
2207 fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
2208 let mut items_to_add = Vec::new();
2209 for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
2210 if let Some(active_item) = state
2211 .active_view_id
2212 .and_then(|id| state.items_by_leader_view_id.get(&id))
2213 {
2214 if let FollowerItem::Loaded(item) = active_item {
2215 items_to_add.push((pane.clone(), item.boxed_clone()));
2216 }
2217 }
2218 }
2219
2220 for (pane, item) in items_to_add {
2221 Pane::add_item(self, pane.clone(), item.boxed_clone(), false, false, cx);
2222 if pane == self.active_pane {
2223 pane.update(cx, |pane, cx| pane.focus_active_item(cx));
2224 }
2225 cx.notify();
2226 }
2227 None
2228 }
2229}
2230
2231impl Entity for Workspace {
2232 type Event = Event;
2233}
2234
2235impl View for Workspace {
2236 fn ui_name() -> &'static str {
2237 "Workspace"
2238 }
2239
2240 fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
2241 let theme = cx.global::<Settings>().theme.clone();
2242 Stack::new()
2243 .with_child(
2244 Flex::column()
2245 .with_child(self.render_titlebar(&theme, cx))
2246 .with_child(
2247 Stack::new()
2248 .with_child({
2249 Flex::row()
2250 .with_children(
2251 if self.left_sidebar.read(cx).active_item().is_some() {
2252 Some(
2253 ChildView::new(&self.left_sidebar)
2254 .flex(0.8, false)
2255 .boxed(),
2256 )
2257 } else {
2258 None
2259 },
2260 )
2261 .with_child(
2262 FlexItem::new(self.center.render(
2263 &theme,
2264 &self.follower_states_by_leader,
2265 self.project.read(cx).collaborators(),
2266 ))
2267 .flex(1., true)
2268 .boxed(),
2269 )
2270 .with_children(
2271 if self.right_sidebar.read(cx).active_item().is_some() {
2272 Some(
2273 ChildView::new(&self.right_sidebar)
2274 .flex(0.8, false)
2275 .boxed(),
2276 )
2277 } else {
2278 None
2279 },
2280 )
2281 .boxed()
2282 })
2283 .with_children(self.modal.as_ref().map(|m| {
2284 ChildView::new(m)
2285 .contained()
2286 .with_style(theme.workspace.modal)
2287 .aligned()
2288 .top()
2289 .boxed()
2290 }))
2291 .with_children(self.render_notifications(&theme.workspace))
2292 .flex(1.0, true)
2293 .boxed(),
2294 )
2295 .with_child(ChildView::new(&self.status_bar).boxed())
2296 .contained()
2297 .with_background_color(theme.workspace.background)
2298 .boxed(),
2299 )
2300 .with_children(self.render_disconnected_overlay(cx))
2301 .named("workspace")
2302 }
2303
2304 fn on_focus(&mut self, cx: &mut ViewContext<Self>) {
2305 cx.focus(&self.active_pane);
2306 }
2307}
2308
2309pub trait WorkspaceHandle {
2310 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
2311}
2312
2313impl WorkspaceHandle for ViewHandle<Workspace> {
2314 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
2315 self.read(cx)
2316 .worktrees(cx)
2317 .flat_map(|worktree| {
2318 let worktree_id = worktree.read(cx).id();
2319 worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
2320 worktree_id,
2321 path: f.path.clone(),
2322 })
2323 })
2324 .collect::<Vec<_>>()
2325 }
2326}
2327
2328pub struct AvatarRibbon {
2329 color: Color,
2330}
2331
2332impl AvatarRibbon {
2333 pub fn new(color: Color) -> AvatarRibbon {
2334 AvatarRibbon { color }
2335 }
2336}
2337
2338impl Element for AvatarRibbon {
2339 type LayoutState = ();
2340
2341 type PaintState = ();
2342
2343 fn layout(
2344 &mut self,
2345 constraint: gpui::SizeConstraint,
2346 _: &mut gpui::LayoutContext,
2347 ) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
2348 (constraint.max, ())
2349 }
2350
2351 fn paint(
2352 &mut self,
2353 bounds: gpui::geometry::rect::RectF,
2354 _: gpui::geometry::rect::RectF,
2355 _: &mut Self::LayoutState,
2356 cx: &mut gpui::PaintContext,
2357 ) -> Self::PaintState {
2358 let mut path = PathBuilder::new();
2359 path.reset(bounds.lower_left());
2360 path.curve_to(
2361 bounds.origin() + vec2f(bounds.height(), 0.),
2362 bounds.origin(),
2363 );
2364 path.line_to(bounds.upper_right() - vec2f(bounds.height(), 0.));
2365 path.curve_to(bounds.lower_right(), bounds.upper_right());
2366 path.line_to(bounds.lower_left());
2367 cx.scene.push_path(path.build(self.color, None));
2368 }
2369
2370 fn dispatch_event(
2371 &mut self,
2372 _: &gpui::Event,
2373 _: RectF,
2374 _: RectF,
2375 _: &mut Self::LayoutState,
2376 _: &mut Self::PaintState,
2377 _: &mut gpui::EventContext,
2378 ) -> bool {
2379 false
2380 }
2381
2382 fn debug(
2383 &self,
2384 bounds: gpui::geometry::rect::RectF,
2385 _: &Self::LayoutState,
2386 _: &Self::PaintState,
2387 _: &gpui::DebugContext,
2388 ) -> gpui::json::Value {
2389 json::json!({
2390 "type": "AvatarRibbon",
2391 "bounds": bounds.to_json(),
2392 "color": self.color.to_json(),
2393 })
2394 }
2395}
2396
2397impl std::fmt::Debug for OpenPaths {
2398 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
2399 f.debug_struct("OpenPaths")
2400 .field("paths", &self.paths)
2401 .finish()
2402 }
2403}
2404
2405fn open(_: &Open, cx: &mut MutableAppContext) {
2406 let mut paths = cx.prompt_for_paths(PathPromptOptions {
2407 files: true,
2408 directories: true,
2409 multiple: true,
2410 });
2411 cx.spawn(|mut cx| async move {
2412 if let Some(paths) = paths.recv().await.flatten() {
2413 cx.update(|cx| cx.dispatch_global_action(OpenPaths { paths }));
2414 }
2415 })
2416 .detach();
2417}
2418
2419pub struct WorkspaceCreated(WeakViewHandle<Workspace>);
2420
2421pub fn activate_workspace_for_project(
2422 cx: &mut MutableAppContext,
2423 predicate: impl Fn(&mut Project, &mut ModelContext<Project>) -> bool,
2424) -> Option<ViewHandle<Workspace>> {
2425 for window_id in cx.window_ids().collect::<Vec<_>>() {
2426 if let Some(workspace_handle) = cx.root_view::<Workspace>(window_id) {
2427 let project = workspace_handle.read(cx).project.clone();
2428 if project.update(cx, &predicate) {
2429 cx.activate_window(window_id);
2430 return Some(workspace_handle);
2431 }
2432 }
2433 }
2434 None
2435}
2436
2437pub fn open_paths(
2438 abs_paths: &[PathBuf],
2439 app_state: &Arc<AppState>,
2440 cx: &mut MutableAppContext,
2441) -> Task<(
2442 ViewHandle<Workspace>,
2443 Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
2444)> {
2445 log::info!("open paths {:?}", abs_paths);
2446
2447 // Open paths in existing workspace if possible
2448 let existing =
2449 activate_workspace_for_project(cx, |project, cx| project.contains_paths(abs_paths, cx));
2450
2451 let app_state = app_state.clone();
2452 let abs_paths = abs_paths.to_vec();
2453 cx.spawn(|mut cx| async move {
2454 let mut new_project = None;
2455 let workspace = if let Some(existing) = existing {
2456 existing
2457 } else {
2458 let contains_directory =
2459 futures::future::join_all(abs_paths.iter().map(|path| app_state.fs.is_file(path)))
2460 .await
2461 .contains(&false);
2462
2463 cx.add_window((app_state.build_window_options)(), |cx| {
2464 let project = Project::local(
2465 false,
2466 app_state.client.clone(),
2467 app_state.user_store.clone(),
2468 app_state.project_store.clone(),
2469 app_state.languages.clone(),
2470 app_state.fs.clone(),
2471 cx,
2472 );
2473 new_project = Some(project.clone());
2474 let mut workspace = Workspace::new(project, cx);
2475 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
2476 if contains_directory {
2477 workspace.toggle_sidebar_item(
2478 &ToggleSidebarItem {
2479 side: Side::Left,
2480 item_index: 0,
2481 },
2482 cx,
2483 );
2484 }
2485 workspace
2486 })
2487 .1
2488 };
2489
2490 let items = workspace
2491 .update(&mut cx, |workspace, cx| {
2492 workspace.open_paths(abs_paths, true, cx)
2493 })
2494 .await;
2495
2496 if let Some(project) = new_project {
2497 project
2498 .update(&mut cx, |project, cx| project.restore_state(cx))
2499 .await
2500 .log_err();
2501 }
2502
2503 (workspace, items)
2504 })
2505}
2506
2507pub fn join_project(
2508 contact: Arc<Contact>,
2509 project_index: usize,
2510 app_state: &Arc<AppState>,
2511 cx: &mut MutableAppContext,
2512) {
2513 let project_id = contact.projects[project_index].id;
2514
2515 for window_id in cx.window_ids().collect::<Vec<_>>() {
2516 if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
2517 if workspace.read(cx).project().read(cx).remote_id() == Some(project_id) {
2518 cx.activate_window(window_id);
2519 return;
2520 }
2521 }
2522 }
2523
2524 cx.add_window((app_state.build_window_options)(), |cx| {
2525 WaitingRoom::new(contact, project_index, app_state.clone(), cx)
2526 });
2527}
2528
2529fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
2530 let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
2531 let mut workspace = Workspace::new(
2532 Project::local(
2533 false,
2534 app_state.client.clone(),
2535 app_state.user_store.clone(),
2536 app_state.project_store.clone(),
2537 app_state.languages.clone(),
2538 app_state.fs.clone(),
2539 cx,
2540 ),
2541 cx,
2542 );
2543 (app_state.initialize_workspace)(&mut workspace, app_state, cx);
2544 workspace
2545 });
2546 cx.dispatch_action(window_id, vec![workspace.id()], &NewFile);
2547}
2548
2549#[cfg(test)]
2550mod tests {
2551 use super::*;
2552 use gpui::{ModelHandle, TestAppContext, ViewContext};
2553 use project::{FakeFs, Project, ProjectEntryId};
2554 use serde_json::json;
2555
2556 #[gpui::test]
2557 async fn test_tracking_active_path(cx: &mut TestAppContext) {
2558 cx.foreground().forbid_parking();
2559 Settings::test_async(cx);
2560 let fs = FakeFs::new(cx.background());
2561 fs.insert_tree(
2562 "/root1",
2563 json!({
2564 "one.txt": "",
2565 "two.txt": "",
2566 }),
2567 )
2568 .await;
2569 fs.insert_tree(
2570 "/root2",
2571 json!({
2572 "three.txt": "",
2573 }),
2574 )
2575 .await;
2576
2577 let project = Project::test(fs, ["root1".as_ref()], cx).await;
2578 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project.clone(), cx));
2579 let worktree_id = project.read_with(cx, |project, cx| {
2580 project.worktrees(cx).next().unwrap().read(cx).id()
2581 });
2582
2583 let item1 = cx.add_view(window_id, |_| {
2584 let mut item = TestItem::new();
2585 item.project_path = Some((worktree_id, "one.txt").into());
2586 item
2587 });
2588 let item2 = cx.add_view(window_id, |_| {
2589 let mut item = TestItem::new();
2590 item.project_path = Some((worktree_id, "two.txt").into());
2591 item
2592 });
2593
2594 // Add an item to an empty pane
2595 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item1), cx));
2596 project.read_with(cx, |project, cx| {
2597 assert_eq!(
2598 project.active_entry(),
2599 project.entry_for_path(&(worktree_id, "one.txt").into(), cx)
2600 );
2601 });
2602 assert_eq!(
2603 cx.current_window_title(window_id).as_deref(),
2604 Some("one.txt — root1")
2605 );
2606
2607 // Add a second item to a non-empty pane
2608 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item2), cx));
2609 assert_eq!(
2610 cx.current_window_title(window_id).as_deref(),
2611 Some("two.txt — root1")
2612 );
2613 project.read_with(cx, |project, cx| {
2614 assert_eq!(
2615 project.active_entry(),
2616 project.entry_for_path(&(worktree_id, "two.txt").into(), cx)
2617 );
2618 });
2619
2620 // Close the active item
2621 workspace
2622 .update(cx, |workspace, cx| {
2623 Pane::close_active_item(workspace, &Default::default(), cx).unwrap()
2624 })
2625 .await
2626 .unwrap();
2627 assert_eq!(
2628 cx.current_window_title(window_id).as_deref(),
2629 Some("one.txt — root1")
2630 );
2631 project.read_with(cx, |project, cx| {
2632 assert_eq!(
2633 project.active_entry(),
2634 project.entry_for_path(&(worktree_id, "one.txt").into(), cx)
2635 );
2636 });
2637
2638 // Add a project folder
2639 project
2640 .update(cx, |project, cx| {
2641 project.find_or_create_local_worktree("/root2", true, cx)
2642 })
2643 .await
2644 .unwrap();
2645 assert_eq!(
2646 cx.current_window_title(window_id).as_deref(),
2647 Some("one.txt — root1, root2")
2648 );
2649
2650 // Remove a project folder
2651 project.update(cx, |project, cx| {
2652 project.remove_worktree(worktree_id, cx);
2653 });
2654 assert_eq!(
2655 cx.current_window_title(window_id).as_deref(),
2656 Some("one.txt — root2")
2657 );
2658 }
2659
2660 #[gpui::test]
2661 async fn test_close_window(cx: &mut TestAppContext) {
2662 cx.foreground().forbid_parking();
2663 Settings::test_async(cx);
2664 let fs = FakeFs::new(cx.background());
2665 fs.insert_tree("/root", json!({ "one": "" })).await;
2666
2667 let project = Project::test(fs, ["root".as_ref()], cx).await;
2668 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project.clone(), cx));
2669
2670 // When there are no dirty items, there's nothing to do.
2671 let item1 = cx.add_view(window_id, |_| TestItem::new());
2672 workspace.update(cx, |w, cx| w.add_item(Box::new(item1.clone()), cx));
2673 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
2674 assert_eq!(task.await.unwrap(), true);
2675
2676 // When there are dirty untitled items, prompt to save each one. If the user
2677 // cancels any prompt, then abort.
2678 let item2 = cx.add_view(window_id, |_| {
2679 let mut item = TestItem::new();
2680 item.is_dirty = true;
2681 item
2682 });
2683 let item3 = cx.add_view(window_id, |_| {
2684 let mut item = TestItem::new();
2685 item.is_dirty = true;
2686 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
2687 item
2688 });
2689 workspace.update(cx, |w, cx| {
2690 w.add_item(Box::new(item2.clone()), cx);
2691 w.add_item(Box::new(item3.clone()), cx);
2692 });
2693 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
2694 cx.foreground().run_until_parked();
2695 cx.simulate_prompt_answer(window_id, 2 /* cancel */);
2696 cx.foreground().run_until_parked();
2697 assert!(!cx.has_pending_prompt(window_id));
2698 assert_eq!(task.await.unwrap(), false);
2699 }
2700
2701 #[gpui::test]
2702 async fn test_close_pane_items(cx: &mut TestAppContext) {
2703 cx.foreground().forbid_parking();
2704 Settings::test_async(cx);
2705 let fs = FakeFs::new(cx.background());
2706
2707 let project = Project::test(fs, None, cx).await;
2708 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project, cx));
2709
2710 let item1 = cx.add_view(window_id, |_| {
2711 let mut item = TestItem::new();
2712 item.is_dirty = true;
2713 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
2714 item
2715 });
2716 let item2 = cx.add_view(window_id, |_| {
2717 let mut item = TestItem::new();
2718 item.is_dirty = true;
2719 item.has_conflict = true;
2720 item.project_entry_ids = vec![ProjectEntryId::from_proto(2)];
2721 item
2722 });
2723 let item3 = cx.add_view(window_id, |_| {
2724 let mut item = TestItem::new();
2725 item.is_dirty = true;
2726 item.has_conflict = true;
2727 item.project_entry_ids = vec![ProjectEntryId::from_proto(3)];
2728 item
2729 });
2730 let item4 = cx.add_view(window_id, |_| {
2731 let mut item = TestItem::new();
2732 item.is_dirty = true;
2733 item
2734 });
2735 let pane = workspace.update(cx, |workspace, cx| {
2736 workspace.add_item(Box::new(item1.clone()), cx);
2737 workspace.add_item(Box::new(item2.clone()), cx);
2738 workspace.add_item(Box::new(item3.clone()), cx);
2739 workspace.add_item(Box::new(item4.clone()), cx);
2740 workspace.active_pane().clone()
2741 });
2742
2743 let close_items = workspace.update(cx, |workspace, cx| {
2744 pane.update(cx, |pane, cx| {
2745 pane.activate_item(1, true, true, cx);
2746 assert_eq!(pane.active_item().unwrap().id(), item2.id());
2747 });
2748
2749 let item1_id = item1.id();
2750 let item3_id = item3.id();
2751 let item4_id = item4.id();
2752 Pane::close_items(workspace, pane.clone(), cx, move |id| {
2753 [item1_id, item3_id, item4_id].contains(&id)
2754 })
2755 });
2756
2757 cx.foreground().run_until_parked();
2758 pane.read_with(cx, |pane, _| {
2759 assert_eq!(pane.items().count(), 4);
2760 assert_eq!(pane.active_item().unwrap().id(), item1.id());
2761 });
2762
2763 cx.simulate_prompt_answer(window_id, 0);
2764 cx.foreground().run_until_parked();
2765 pane.read_with(cx, |pane, cx| {
2766 assert_eq!(item1.read(cx).save_count, 1);
2767 assert_eq!(item1.read(cx).save_as_count, 0);
2768 assert_eq!(item1.read(cx).reload_count, 0);
2769 assert_eq!(pane.items().count(), 3);
2770 assert_eq!(pane.active_item().unwrap().id(), item3.id());
2771 });
2772
2773 cx.simulate_prompt_answer(window_id, 1);
2774 cx.foreground().run_until_parked();
2775 pane.read_with(cx, |pane, cx| {
2776 assert_eq!(item3.read(cx).save_count, 0);
2777 assert_eq!(item3.read(cx).save_as_count, 0);
2778 assert_eq!(item3.read(cx).reload_count, 1);
2779 assert_eq!(pane.items().count(), 2);
2780 assert_eq!(pane.active_item().unwrap().id(), item4.id());
2781 });
2782
2783 cx.simulate_prompt_answer(window_id, 0);
2784 cx.foreground().run_until_parked();
2785 cx.simulate_new_path_selection(|_| Some(Default::default()));
2786 close_items.await.unwrap();
2787 pane.read_with(cx, |pane, cx| {
2788 assert_eq!(item4.read(cx).save_count, 0);
2789 assert_eq!(item4.read(cx).save_as_count, 1);
2790 assert_eq!(item4.read(cx).reload_count, 0);
2791 assert_eq!(pane.items().count(), 1);
2792 assert_eq!(pane.active_item().unwrap().id(), item2.id());
2793 });
2794 }
2795
2796 #[gpui::test]
2797 async fn test_prompting_to_save_only_on_last_item_for_entry(cx: &mut TestAppContext) {
2798 cx.foreground().forbid_parking();
2799 Settings::test_async(cx);
2800 let fs = FakeFs::new(cx.background());
2801
2802 let project = Project::test(fs, [], cx).await;
2803 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project, cx));
2804
2805 // Create several workspace items with single project entries, and two
2806 // workspace items with multiple project entries.
2807 let single_entry_items = (0..=4)
2808 .map(|project_entry_id| {
2809 let mut item = TestItem::new();
2810 item.is_dirty = true;
2811 item.project_entry_ids = vec![ProjectEntryId::from_proto(project_entry_id)];
2812 item.is_singleton = true;
2813 item
2814 })
2815 .collect::<Vec<_>>();
2816 let item_2_3 = {
2817 let mut item = TestItem::new();
2818 item.is_dirty = true;
2819 item.is_singleton = false;
2820 item.project_entry_ids =
2821 vec![ProjectEntryId::from_proto(2), ProjectEntryId::from_proto(3)];
2822 item
2823 };
2824 let item_3_4 = {
2825 let mut item = TestItem::new();
2826 item.is_dirty = true;
2827 item.is_singleton = false;
2828 item.project_entry_ids =
2829 vec![ProjectEntryId::from_proto(3), ProjectEntryId::from_proto(4)];
2830 item
2831 };
2832
2833 // Create two panes that contain the following project entries:
2834 // left pane:
2835 // multi-entry items: (2, 3)
2836 // single-entry items: 0, 1, 2, 3, 4
2837 // right pane:
2838 // single-entry items: 1
2839 // multi-entry items: (3, 4)
2840 let left_pane = workspace.update(cx, |workspace, cx| {
2841 let left_pane = workspace.active_pane().clone();
2842 let right_pane = workspace.split_pane(left_pane.clone(), SplitDirection::Right, cx);
2843
2844 workspace.activate_pane(left_pane.clone(), cx);
2845 workspace.add_item(Box::new(cx.add_view(|_| item_2_3.clone())), cx);
2846 for item in &single_entry_items {
2847 workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
2848 }
2849
2850 workspace.activate_pane(right_pane.clone(), cx);
2851 workspace.add_item(Box::new(cx.add_view(|_| single_entry_items[1].clone())), cx);
2852 workspace.add_item(Box::new(cx.add_view(|_| item_3_4.clone())), cx);
2853
2854 left_pane
2855 });
2856
2857 // When closing all of the items in the left pane, we should be prompted twice:
2858 // once for project entry 0, and once for project entry 2. After those two
2859 // prompts, the task should complete.
2860 let close = workspace.update(cx, |workspace, cx| {
2861 workspace.activate_pane(left_pane.clone(), cx);
2862 Pane::close_items(workspace, left_pane.clone(), cx, |_| true)
2863 });
2864
2865 cx.foreground().run_until_parked();
2866 left_pane.read_with(cx, |pane, cx| {
2867 assert_eq!(
2868 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
2869 &[ProjectEntryId::from_proto(0)]
2870 );
2871 });
2872 cx.simulate_prompt_answer(window_id, 0);
2873
2874 cx.foreground().run_until_parked();
2875 left_pane.read_with(cx, |pane, cx| {
2876 assert_eq!(
2877 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
2878 &[ProjectEntryId::from_proto(2)]
2879 );
2880 });
2881 cx.simulate_prompt_answer(window_id, 0);
2882
2883 cx.foreground().run_until_parked();
2884 close.await.unwrap();
2885 left_pane.read_with(cx, |pane, _| {
2886 assert_eq!(pane.items().count(), 0);
2887 });
2888 }
2889
2890 #[derive(Clone)]
2891 struct TestItem {
2892 save_count: usize,
2893 save_as_count: usize,
2894 reload_count: usize,
2895 is_dirty: bool,
2896 has_conflict: bool,
2897 project_entry_ids: Vec<ProjectEntryId>,
2898 project_path: Option<ProjectPath>,
2899 is_singleton: bool,
2900 }
2901
2902 impl TestItem {
2903 fn new() -> Self {
2904 Self {
2905 save_count: 0,
2906 save_as_count: 0,
2907 reload_count: 0,
2908 is_dirty: false,
2909 has_conflict: false,
2910 project_entry_ids: Vec::new(),
2911 project_path: None,
2912 is_singleton: true,
2913 }
2914 }
2915 }
2916
2917 impl Entity for TestItem {
2918 type Event = ();
2919 }
2920
2921 impl View for TestItem {
2922 fn ui_name() -> &'static str {
2923 "TestItem"
2924 }
2925
2926 fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
2927 Empty::new().boxed()
2928 }
2929 }
2930
2931 impl Item for TestItem {
2932 fn tab_content(&self, _: &theme::Tab, _: &AppContext) -> ElementBox {
2933 Empty::new().boxed()
2934 }
2935
2936 fn project_path(&self, _: &AppContext) -> Option<ProjectPath> {
2937 self.project_path.clone()
2938 }
2939
2940 fn project_entry_ids(&self, _: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
2941 self.project_entry_ids.iter().copied().collect()
2942 }
2943
2944 fn is_singleton(&self, _: &AppContext) -> bool {
2945 self.is_singleton
2946 }
2947
2948 fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>) {}
2949
2950 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
2951 where
2952 Self: Sized,
2953 {
2954 Some(self.clone())
2955 }
2956
2957 fn is_dirty(&self, _: &AppContext) -> bool {
2958 self.is_dirty
2959 }
2960
2961 fn has_conflict(&self, _: &AppContext) -> bool {
2962 self.has_conflict
2963 }
2964
2965 fn can_save(&self, _: &AppContext) -> bool {
2966 self.project_entry_ids.len() > 0
2967 }
2968
2969 fn save(
2970 &mut self,
2971 _: ModelHandle<Project>,
2972 _: &mut ViewContext<Self>,
2973 ) -> Task<anyhow::Result<()>> {
2974 self.save_count += 1;
2975 Task::ready(Ok(()))
2976 }
2977
2978 fn save_as(
2979 &mut self,
2980 _: ModelHandle<Project>,
2981 _: std::path::PathBuf,
2982 _: &mut ViewContext<Self>,
2983 ) -> Task<anyhow::Result<()>> {
2984 self.save_as_count += 1;
2985 Task::ready(Ok(()))
2986 }
2987
2988 fn reload(
2989 &mut self,
2990 _: ModelHandle<Project>,
2991 _: &mut ViewContext<Self>,
2992 ) -> Task<anyhow::Result<()>> {
2993 self.reload_count += 1;
2994 Task::ready(Ok(()))
2995 }
2996
2997 fn should_update_tab_on_event(_: &Self::Event) -> bool {
2998 true
2999 }
3000 }
3001}