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 pub fn close(
911 &mut self,
912 _: &CloseWindow,
913 cx: &mut ViewContext<Self>,
914 ) -> Option<Task<Result<()>>> {
915 let prepare = self.prepare_to_close(cx);
916 Some(cx.spawn(|this, mut cx| async move {
917 if prepare.await? {
918 this.update(&mut cx, |_, cx| {
919 let window_id = cx.window_id();
920 cx.remove_window(window_id);
921 });
922 }
923 Ok(())
924 }))
925 }
926
927 pub fn prepare_to_close(&mut self, cx: &mut ViewContext<Self>) -> Task<Result<bool>> {
928 self.save_all_internal(true, cx)
929 }
930
931 fn save_all(&mut self, _: &SaveAll, cx: &mut ViewContext<Self>) -> Option<Task<Result<()>>> {
932 let save_all = self.save_all_internal(false, cx);
933 Some(cx.foreground().spawn(async move {
934 save_all.await?;
935 Ok(())
936 }))
937 }
938
939 fn save_all_internal(
940 &mut self,
941 should_prompt_to_save: bool,
942 cx: &mut ViewContext<Self>,
943 ) -> Task<Result<bool>> {
944 let dirty_items = self
945 .panes
946 .iter()
947 .flat_map(|pane| {
948 pane.read(cx).items().filter_map(|item| {
949 if item.is_dirty(cx) {
950 Some((pane.clone(), item.boxed_clone()))
951 } else {
952 None
953 }
954 })
955 })
956 .collect::<Vec<_>>();
957
958 let project = self.project.clone();
959 cx.spawn_weak(|_, mut cx| async move {
960 // let mut saved_project_entry_ids = HashSet::default();
961 for (pane, item) in dirty_items {
962 let (is_singl, project_entry_ids) =
963 cx.read(|cx| (item.is_singleton(cx), item.project_entry_ids(cx)));
964 if is_singl || !project_entry_ids.is_empty() {
965 if let Some(ix) =
966 pane.read_with(&cx, |pane, _| pane.index_for_item(item.as_ref()))
967 {
968 if !Pane::save_item(
969 project.clone(),
970 &pane,
971 ix,
972 &item,
973 should_prompt_to_save,
974 &mut cx,
975 )
976 .await?
977 {
978 return Ok(false);
979 }
980 }
981 }
982 }
983 Ok(true)
984 })
985 }
986
987 pub fn open_paths(
988 &mut self,
989 mut abs_paths: Vec<PathBuf>,
990 visible: bool,
991 cx: &mut ViewContext<Self>,
992 ) -> Task<Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>> {
993 let fs = self.fs.clone();
994
995 // Sort the paths to ensure we add worktrees for parents before their children.
996 abs_paths.sort_unstable();
997 cx.spawn(|this, mut cx| async move {
998 let mut project_paths = Vec::new();
999 for path in &abs_paths {
1000 project_paths.push(
1001 this.update(&mut cx, |this, cx| {
1002 this.project_path_for_path(path, visible, cx)
1003 })
1004 .await
1005 .log_err(),
1006 );
1007 }
1008
1009 let tasks = abs_paths
1010 .iter()
1011 .cloned()
1012 .zip(project_paths.into_iter())
1013 .map(|(abs_path, project_path)| {
1014 let this = this.clone();
1015 cx.spawn(|mut cx| {
1016 let fs = fs.clone();
1017 async move {
1018 let (_worktree, project_path) = project_path?;
1019 if fs.is_file(&abs_path).await {
1020 Some(
1021 this.update(&mut cx, |this, cx| {
1022 this.open_path(project_path, true, cx)
1023 })
1024 .await,
1025 )
1026 } else {
1027 None
1028 }
1029 }
1030 })
1031 })
1032 .collect::<Vec<_>>();
1033
1034 futures::future::join_all(tasks).await
1035 })
1036 }
1037
1038 fn add_folder_to_project(&mut self, _: &AddFolderToProject, cx: &mut ViewContext<Self>) {
1039 let mut paths = cx.prompt_for_paths(PathPromptOptions {
1040 files: false,
1041 directories: true,
1042 multiple: true,
1043 });
1044 cx.spawn(|this, mut cx| async move {
1045 if let Some(paths) = paths.recv().await.flatten() {
1046 let results = this
1047 .update(&mut cx, |this, cx| this.open_paths(paths, true, cx))
1048 .await;
1049 for result in results {
1050 if let Some(result) = result {
1051 result.log_err();
1052 }
1053 }
1054 }
1055 })
1056 .detach();
1057 }
1058
1059 fn remove_folder_from_project(
1060 &mut self,
1061 RemoveWorktreeFromProject(worktree_id): &RemoveWorktreeFromProject,
1062 cx: &mut ViewContext<Self>,
1063 ) {
1064 self.project
1065 .update(cx, |project, cx| project.remove_worktree(*worktree_id, cx));
1066 }
1067
1068 fn toggle_project_online(&mut self, action: &ToggleProjectOnline, cx: &mut ViewContext<Self>) {
1069 let project = action
1070 .project
1071 .clone()
1072 .unwrap_or_else(|| self.project.clone());
1073 project.update(cx, |project, cx| {
1074 let public = !project.is_online();
1075 project.set_online(public, cx);
1076 });
1077 }
1078
1079 fn project_path_for_path(
1080 &self,
1081 abs_path: &Path,
1082 visible: bool,
1083 cx: &mut ViewContext<Self>,
1084 ) -> Task<Result<(ModelHandle<Worktree>, ProjectPath)>> {
1085 let entry = self.project().update(cx, |project, cx| {
1086 project.find_or_create_local_worktree(abs_path, visible, cx)
1087 });
1088 cx.spawn(|_, cx| async move {
1089 let (worktree, path) = entry.await?;
1090 let worktree_id = worktree.read_with(&cx, |t, _| t.id());
1091 Ok((
1092 worktree,
1093 ProjectPath {
1094 worktree_id,
1095 path: path.into(),
1096 },
1097 ))
1098 })
1099 }
1100
1101 /// Returns the modal that was toggled closed if it was open.
1102 pub fn toggle_modal<V, F>(
1103 &mut self,
1104 cx: &mut ViewContext<Self>,
1105 add_view: F,
1106 ) -> Option<ViewHandle<V>>
1107 where
1108 V: 'static + View,
1109 F: FnOnce(&mut Self, &mut ViewContext<Self>) -> ViewHandle<V>,
1110 {
1111 cx.notify();
1112 // Whatever modal was visible is getting clobbered. If its the same type as V, then return
1113 // it. Otherwise, create a new modal and set it as active.
1114 let already_open_modal = self.modal.take().and_then(|modal| modal.downcast::<V>());
1115 if let Some(already_open_modal) = already_open_modal {
1116 cx.focus_self();
1117 Some(already_open_modal)
1118 } else {
1119 let modal = add_view(self, cx);
1120 cx.focus(&modal);
1121 self.modal = Some(modal.into());
1122 None
1123 }
1124 }
1125
1126 pub fn modal(&self) -> Option<&AnyViewHandle> {
1127 self.modal.as_ref()
1128 }
1129
1130 pub fn dismiss_modal(&mut self, cx: &mut ViewContext<Self>) {
1131 if self.modal.take().is_some() {
1132 cx.focus(&self.active_pane);
1133 cx.notify();
1134 }
1135 }
1136
1137 pub fn show_notification<V: Notification>(
1138 &mut self,
1139 id: usize,
1140 cx: &mut ViewContext<Self>,
1141 build_notification: impl FnOnce(&mut ViewContext<Self>) -> ViewHandle<V>,
1142 ) {
1143 let type_id = TypeId::of::<V>();
1144 if self
1145 .notifications
1146 .iter()
1147 .all(|(existing_type_id, existing_id, _)| {
1148 (*existing_type_id, *existing_id) != (type_id, id)
1149 })
1150 {
1151 let notification = build_notification(cx);
1152 cx.subscribe(¬ification, move |this, handle, event, cx| {
1153 if handle.read(cx).should_dismiss_notification_on_event(event) {
1154 this.dismiss_notification(type_id, id, cx);
1155 }
1156 })
1157 .detach();
1158 self.notifications
1159 .push((type_id, id, Box::new(notification)));
1160 cx.notify();
1161 }
1162 }
1163
1164 fn dismiss_notification(&mut self, type_id: TypeId, id: usize, cx: &mut ViewContext<Self>) {
1165 self.notifications
1166 .retain(|(existing_type_id, existing_id, _)| {
1167 if (*existing_type_id, *existing_id) == (type_id, id) {
1168 cx.notify();
1169 false
1170 } else {
1171 true
1172 }
1173 });
1174 }
1175
1176 pub fn items<'a>(
1177 &'a self,
1178 cx: &'a AppContext,
1179 ) -> impl 'a + Iterator<Item = &Box<dyn ItemHandle>> {
1180 self.panes.iter().flat_map(|pane| pane.read(cx).items())
1181 }
1182
1183 pub fn item_of_type<T: Item>(&self, cx: &AppContext) -> Option<ViewHandle<T>> {
1184 self.items_of_type(cx).max_by_key(|item| item.id())
1185 }
1186
1187 pub fn items_of_type<'a, T: Item>(
1188 &'a self,
1189 cx: &'a AppContext,
1190 ) -> impl 'a + Iterator<Item = ViewHandle<T>> {
1191 self.panes
1192 .iter()
1193 .flat_map(|pane| pane.read(cx).items_of_type())
1194 }
1195
1196 pub fn active_item(&self, cx: &AppContext) -> Option<Box<dyn ItemHandle>> {
1197 self.active_pane().read(cx).active_item()
1198 }
1199
1200 fn active_project_path(&self, cx: &ViewContext<Self>) -> Option<ProjectPath> {
1201 self.active_item(cx).and_then(|item| item.project_path(cx))
1202 }
1203
1204 pub fn save_active_item(
1205 &mut self,
1206 force_name_change: bool,
1207 cx: &mut ViewContext<Self>,
1208 ) -> Task<Result<()>> {
1209 let project = self.project.clone();
1210 if let Some(item) = self.active_item(cx) {
1211 if !force_name_change && item.can_save(cx) {
1212 if item.has_conflict(cx.as_ref()) {
1213 const CONFLICT_MESSAGE: &'static str = "This file has changed on disk since you started editing it. Do you want to overwrite it?";
1214
1215 let mut answer = cx.prompt(
1216 PromptLevel::Warning,
1217 CONFLICT_MESSAGE,
1218 &["Overwrite", "Cancel"],
1219 );
1220 cx.spawn(|_, mut cx| async move {
1221 let answer = answer.recv().await;
1222 if answer == Some(0) {
1223 cx.update(|cx| item.save(project, cx)).await?;
1224 }
1225 Ok(())
1226 })
1227 } else {
1228 item.save(project, cx)
1229 }
1230 } else if item.is_singleton(cx) {
1231 let worktree = self.worktrees(cx).next();
1232 let start_abs_path = worktree
1233 .and_then(|w| w.read(cx).as_local())
1234 .map_or(Path::new(""), |w| w.abs_path())
1235 .to_path_buf();
1236 let mut abs_path = cx.prompt_for_new_path(&start_abs_path);
1237 cx.spawn(|_, mut cx| async move {
1238 if let Some(abs_path) = abs_path.recv().await.flatten() {
1239 cx.update(|cx| item.save_as(project, abs_path, cx)).await?;
1240 }
1241 Ok(())
1242 })
1243 } else {
1244 Task::ready(Ok(()))
1245 }
1246 } else {
1247 Task::ready(Ok(()))
1248 }
1249 }
1250
1251 pub fn toggle_sidebar_item(&mut self, action: &ToggleSidebarItem, cx: &mut ViewContext<Self>) {
1252 let sidebar = match action.side {
1253 Side::Left => &mut self.left_sidebar,
1254 Side::Right => &mut self.right_sidebar,
1255 };
1256 let active_item = sidebar.update(cx, |sidebar, cx| {
1257 sidebar.toggle_item(action.item_index, cx);
1258 sidebar.active_item().map(|item| item.to_any())
1259 });
1260 if let Some(active_item) = active_item {
1261 cx.focus(active_item);
1262 } else {
1263 cx.focus_self();
1264 }
1265 cx.notify();
1266 }
1267
1268 pub fn toggle_sidebar_item_focus(
1269 &mut self,
1270 action: &ToggleSidebarItemFocus,
1271 cx: &mut ViewContext<Self>,
1272 ) {
1273 let sidebar = match action.side {
1274 Side::Left => &mut self.left_sidebar,
1275 Side::Right => &mut self.right_sidebar,
1276 };
1277 let active_item = sidebar.update(cx, |sidebar, cx| {
1278 sidebar.activate_item(action.item_index, cx);
1279 sidebar.active_item().cloned()
1280 });
1281 if let Some(active_item) = active_item {
1282 if active_item.is_focused(cx) {
1283 cx.focus_self();
1284 } else {
1285 cx.focus(active_item.to_any());
1286 }
1287 }
1288 cx.notify();
1289 }
1290
1291 pub fn focus_center(&mut self, _: &menu::Cancel, cx: &mut ViewContext<Self>) {
1292 cx.focus_self();
1293 cx.notify();
1294 }
1295
1296 fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> ViewHandle<Pane> {
1297 let pane = cx.add_view(|cx| Pane::new(cx));
1298 let pane_id = pane.id();
1299 cx.subscribe(&pane, move |this, _, event, cx| {
1300 this.handle_pane_event(pane_id, event, cx)
1301 })
1302 .detach();
1303 self.panes.push(pane.clone());
1304 self.activate_pane(pane.clone(), cx);
1305 cx.emit(Event::PaneAdded(pane.clone()));
1306 pane
1307 }
1308
1309 pub fn add_item(&mut self, item: Box<dyn ItemHandle>, cx: &mut ViewContext<Self>) {
1310 let pane = self.active_pane().clone();
1311 Pane::add_item(self, pane, item, true, true, cx);
1312 }
1313
1314 pub fn open_path(
1315 &mut self,
1316 path: impl Into<ProjectPath>,
1317 focus_item: bool,
1318 cx: &mut ViewContext<Self>,
1319 ) -> Task<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>> {
1320 let pane = self.active_pane().downgrade();
1321 let task = self.load_path(path.into(), cx);
1322 cx.spawn(|this, mut cx| async move {
1323 let (project_entry_id, build_item) = task.await?;
1324 let pane = pane
1325 .upgrade(&cx)
1326 .ok_or_else(|| anyhow!("pane was closed"))?;
1327 this.update(&mut cx, |this, cx| {
1328 Ok(Pane::open_item(
1329 this,
1330 pane,
1331 project_entry_id,
1332 focus_item,
1333 cx,
1334 build_item,
1335 ))
1336 })
1337 })
1338 }
1339
1340 pub(crate) fn load_path(
1341 &mut self,
1342 path: ProjectPath,
1343 cx: &mut ViewContext<Self>,
1344 ) -> Task<
1345 Result<(
1346 ProjectEntryId,
1347 impl 'static + FnOnce(&mut MutableAppContext) -> Box<dyn ItemHandle>,
1348 )>,
1349 > {
1350 let project = self.project().clone();
1351 let project_item = project.update(cx, |project, cx| project.open_path(path, cx));
1352 let window_id = cx.window_id();
1353 cx.as_mut().spawn(|mut cx| async move {
1354 let (project_entry_id, project_item) = project_item.await?;
1355 let build_item = cx.update(|cx| {
1356 cx.default_global::<ProjectItemBuilders>()
1357 .get(&project_item.model_type())
1358 .ok_or_else(|| anyhow!("no item builder for project item"))
1359 .cloned()
1360 })?;
1361 let build_item =
1362 move |cx: &mut MutableAppContext| build_item(window_id, project, project_item, cx);
1363 Ok((project_entry_id, build_item))
1364 })
1365 }
1366
1367 pub fn open_project_item<T>(
1368 &mut self,
1369 project_item: ModelHandle<T::Item>,
1370 cx: &mut ViewContext<Self>,
1371 ) -> ViewHandle<T>
1372 where
1373 T: ProjectItem,
1374 {
1375 use project::Item as _;
1376
1377 let entry_id = project_item.read(cx).entry_id(cx);
1378 if let Some(item) = entry_id
1379 .and_then(|entry_id| self.active_pane().read(cx).item_for_entry(entry_id, cx))
1380 .and_then(|item| item.downcast())
1381 {
1382 self.activate_item(&item, cx);
1383 return item;
1384 }
1385
1386 let item = cx.add_view(|cx| T::for_project_item(self.project().clone(), project_item, cx));
1387 self.add_item(Box::new(item.clone()), cx);
1388 item
1389 }
1390
1391 pub fn activate_item(&mut self, item: &dyn ItemHandle, cx: &mut ViewContext<Self>) -> bool {
1392 let result = self.panes.iter().find_map(|pane| {
1393 if let Some(ix) = pane.read(cx).index_for_item(item) {
1394 Some((pane.clone(), ix))
1395 } else {
1396 None
1397 }
1398 });
1399 if let Some((pane, ix)) = result {
1400 self.activate_pane(pane.clone(), cx);
1401 pane.update(cx, |pane, cx| pane.activate_item(ix, true, true, cx));
1402 true
1403 } else {
1404 false
1405 }
1406 }
1407
1408 pub fn activate_next_pane(&mut self, cx: &mut ViewContext<Self>) {
1409 let next_pane = {
1410 let panes = self.center.panes();
1411 let ix = panes
1412 .iter()
1413 .position(|pane| **pane == self.active_pane)
1414 .unwrap();
1415 let next_ix = (ix + 1) % panes.len();
1416 panes[next_ix].clone()
1417 };
1418 self.activate_pane(next_pane, cx);
1419 }
1420
1421 pub fn activate_previous_pane(&mut self, cx: &mut ViewContext<Self>) {
1422 let prev_pane = {
1423 let panes = self.center.panes();
1424 let ix = panes
1425 .iter()
1426 .position(|pane| **pane == self.active_pane)
1427 .unwrap();
1428 let prev_ix = if ix == 0 { panes.len() - 1 } else { ix - 1 };
1429 panes[prev_ix].clone()
1430 };
1431 self.activate_pane(prev_pane, cx);
1432 }
1433
1434 fn activate_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1435 if self.active_pane != pane {
1436 self.active_pane = pane.clone();
1437 self.status_bar.update(cx, |status_bar, cx| {
1438 status_bar.set_active_pane(&self.active_pane, cx);
1439 });
1440 self.active_item_path_changed(cx);
1441 cx.focus(&self.active_pane);
1442 cx.notify();
1443 }
1444
1445 self.update_followers(
1446 proto::update_followers::Variant::UpdateActiveView(proto::UpdateActiveView {
1447 id: self.active_item(cx).map(|item| item.id() as u64),
1448 leader_id: self.leader_for_pane(&pane).map(|id| id.0),
1449 }),
1450 cx,
1451 );
1452 }
1453
1454 fn handle_pane_event(
1455 &mut self,
1456 pane_id: usize,
1457 event: &pane::Event,
1458 cx: &mut ViewContext<Self>,
1459 ) {
1460 if let Some(pane) = self.pane(pane_id) {
1461 match event {
1462 pane::Event::Split(direction) => {
1463 self.split_pane(pane, *direction, cx);
1464 }
1465 pane::Event::Remove => {
1466 self.remove_pane(pane, cx);
1467 }
1468 pane::Event::Activate => {
1469 self.activate_pane(pane, cx);
1470 }
1471 pane::Event::ActivateItem { local } => {
1472 if *local {
1473 self.unfollow(&pane, cx);
1474 }
1475 if pane == self.active_pane {
1476 self.active_item_path_changed(cx);
1477 }
1478 }
1479 pane::Event::ChangeItemTitle => {
1480 if pane == self.active_pane {
1481 self.active_item_path_changed(cx);
1482 }
1483 self.update_window_edited(cx);
1484 }
1485 pane::Event::RemoveItem => {
1486 self.update_window_edited(cx);
1487 }
1488 }
1489 } else {
1490 error!("pane {} not found", pane_id);
1491 }
1492 }
1493
1494 pub fn split_pane(
1495 &mut self,
1496 pane: ViewHandle<Pane>,
1497 direction: SplitDirection,
1498 cx: &mut ViewContext<Self>,
1499 ) -> ViewHandle<Pane> {
1500 let new_pane = self.add_pane(cx);
1501 self.activate_pane(new_pane.clone(), cx);
1502 if let Some(item) = pane.read(cx).active_item() {
1503 if let Some(clone) = item.clone_on_split(cx.as_mut()) {
1504 Pane::add_item(self, new_pane.clone(), clone, true, true, cx);
1505 }
1506 }
1507 self.center.split(&pane, &new_pane, direction).unwrap();
1508 cx.notify();
1509 new_pane
1510 }
1511
1512 fn remove_pane(&mut self, pane: ViewHandle<Pane>, cx: &mut ViewContext<Self>) {
1513 if self.center.remove(&pane).unwrap() {
1514 self.panes.retain(|p| p != &pane);
1515 self.activate_pane(self.panes.last().unwrap().clone(), cx);
1516 self.unfollow(&pane, cx);
1517 self.last_leaders_by_pane.remove(&pane.downgrade());
1518 cx.notify();
1519 } else {
1520 self.active_item_path_changed(cx);
1521 }
1522 }
1523
1524 pub fn panes(&self) -> &[ViewHandle<Pane>] {
1525 &self.panes
1526 }
1527
1528 fn pane(&self, pane_id: usize) -> Option<ViewHandle<Pane>> {
1529 self.panes.iter().find(|pane| pane.id() == pane_id).cloned()
1530 }
1531
1532 pub fn active_pane(&self) -> &ViewHandle<Pane> {
1533 &self.active_pane
1534 }
1535
1536 fn project_remote_id_changed(&mut self, remote_id: Option<u64>, cx: &mut ViewContext<Self>) {
1537 if let Some(remote_id) = remote_id {
1538 self.remote_entity_subscription =
1539 Some(self.client.add_view_for_remote_entity(remote_id, cx));
1540 } else {
1541 self.remote_entity_subscription.take();
1542 }
1543 }
1544
1545 fn collaborator_left(&mut self, peer_id: PeerId, cx: &mut ViewContext<Self>) {
1546 self.leader_state.followers.remove(&peer_id);
1547 if let Some(states_by_pane) = self.follower_states_by_leader.remove(&peer_id) {
1548 for state in states_by_pane.into_values() {
1549 for item in state.items_by_leader_view_id.into_values() {
1550 if let FollowerItem::Loaded(item) = item {
1551 item.set_leader_replica_id(None, cx);
1552 }
1553 }
1554 }
1555 }
1556 cx.notify();
1557 }
1558
1559 pub fn toggle_follow(
1560 &mut self,
1561 ToggleFollow(leader_id): &ToggleFollow,
1562 cx: &mut ViewContext<Self>,
1563 ) -> Option<Task<Result<()>>> {
1564 let leader_id = *leader_id;
1565 let pane = self.active_pane().clone();
1566
1567 if let Some(prev_leader_id) = self.unfollow(&pane, cx) {
1568 if leader_id == prev_leader_id {
1569 return None;
1570 }
1571 }
1572
1573 self.last_leaders_by_pane
1574 .insert(pane.downgrade(), leader_id);
1575 self.follower_states_by_leader
1576 .entry(leader_id)
1577 .or_default()
1578 .insert(pane.clone(), Default::default());
1579 cx.notify();
1580
1581 let project_id = self.project.read(cx).remote_id()?;
1582 let request = self.client.request(proto::Follow {
1583 project_id,
1584 leader_id: leader_id.0,
1585 });
1586 Some(cx.spawn_weak(|this, mut cx| async move {
1587 let response = request.await?;
1588 if let Some(this) = this.upgrade(&cx) {
1589 this.update(&mut cx, |this, _| {
1590 let state = this
1591 .follower_states_by_leader
1592 .get_mut(&leader_id)
1593 .and_then(|states_by_pane| states_by_pane.get_mut(&pane))
1594 .ok_or_else(|| anyhow!("following interrupted"))?;
1595 state.active_view_id = response.active_view_id;
1596 Ok::<_, anyhow::Error>(())
1597 })?;
1598 Self::add_views_from_leader(this, leader_id, vec![pane], response.views, &mut cx)
1599 .await?;
1600 }
1601 Ok(())
1602 }))
1603 }
1604
1605 pub fn follow_next_collaborator(
1606 &mut self,
1607 _: &FollowNextCollaborator,
1608 cx: &mut ViewContext<Self>,
1609 ) -> Option<Task<Result<()>>> {
1610 let collaborators = self.project.read(cx).collaborators();
1611 let next_leader_id = if let Some(leader_id) = self.leader_for_pane(&self.active_pane) {
1612 let mut collaborators = collaborators.keys().copied();
1613 while let Some(peer_id) = collaborators.next() {
1614 if peer_id == leader_id {
1615 break;
1616 }
1617 }
1618 collaborators.next()
1619 } else if let Some(last_leader_id) =
1620 self.last_leaders_by_pane.get(&self.active_pane.downgrade())
1621 {
1622 if collaborators.contains_key(last_leader_id) {
1623 Some(*last_leader_id)
1624 } else {
1625 None
1626 }
1627 } else {
1628 None
1629 };
1630
1631 next_leader_id
1632 .or_else(|| collaborators.keys().copied().next())
1633 .and_then(|leader_id| self.toggle_follow(&ToggleFollow(leader_id), cx))
1634 }
1635
1636 pub fn unfollow(
1637 &mut self,
1638 pane: &ViewHandle<Pane>,
1639 cx: &mut ViewContext<Self>,
1640 ) -> Option<PeerId> {
1641 for (leader_id, states_by_pane) in &mut self.follower_states_by_leader {
1642 let leader_id = *leader_id;
1643 if let Some(state) = states_by_pane.remove(&pane) {
1644 for (_, item) in state.items_by_leader_view_id {
1645 if let FollowerItem::Loaded(item) = item {
1646 item.set_leader_replica_id(None, cx);
1647 }
1648 }
1649
1650 if states_by_pane.is_empty() {
1651 self.follower_states_by_leader.remove(&leader_id);
1652 if let Some(project_id) = self.project.read(cx).remote_id() {
1653 self.client
1654 .send(proto::Unfollow {
1655 project_id,
1656 leader_id: leader_id.0,
1657 })
1658 .log_err();
1659 }
1660 }
1661
1662 cx.notify();
1663 return Some(leader_id);
1664 }
1665 }
1666 None
1667 }
1668
1669 fn render_connection_status(&self, cx: &mut RenderContext<Self>) -> Option<ElementBox> {
1670 let theme = &cx.global::<Settings>().theme;
1671 match &*self.client.status().borrow() {
1672 client::Status::ConnectionError
1673 | client::Status::ConnectionLost
1674 | client::Status::Reauthenticating
1675 | client::Status::Reconnecting { .. }
1676 | client::Status::ReconnectionError { .. } => Some(
1677 Container::new(
1678 Align::new(
1679 ConstrainedBox::new(
1680 Svg::new("icons/offline-14.svg")
1681 .with_color(theme.workspace.titlebar.offline_icon.color)
1682 .boxed(),
1683 )
1684 .with_width(theme.workspace.titlebar.offline_icon.width)
1685 .boxed(),
1686 )
1687 .boxed(),
1688 )
1689 .with_style(theme.workspace.titlebar.offline_icon.container)
1690 .boxed(),
1691 ),
1692 client::Status::UpgradeRequired => Some(
1693 Label::new(
1694 "Please update Zed to collaborate".to_string(),
1695 theme.workspace.titlebar.outdated_warning.text.clone(),
1696 )
1697 .contained()
1698 .with_style(theme.workspace.titlebar.outdated_warning.container)
1699 .aligned()
1700 .boxed(),
1701 ),
1702 _ => None,
1703 }
1704 }
1705
1706 fn render_titlebar(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> ElementBox {
1707 let project = &self.project.read(cx);
1708 let replica_id = project.replica_id();
1709 let mut worktree_root_names = String::new();
1710 for (i, name) in project.worktree_root_names(cx).enumerate() {
1711 if i > 0 {
1712 worktree_root_names.push_str(", ");
1713 }
1714 worktree_root_names.push_str(name);
1715 }
1716
1717 ConstrainedBox::new(
1718 Container::new(
1719 Stack::new()
1720 .with_child(
1721 Label::new(worktree_root_names, theme.workspace.titlebar.title.clone())
1722 .aligned()
1723 .left()
1724 .boxed(),
1725 )
1726 .with_child(
1727 Align::new(
1728 Flex::row()
1729 .with_children(self.render_collaborators(theme, cx))
1730 .with_children(self.render_current_user(
1731 self.user_store.read(cx).current_user().as_ref(),
1732 replica_id,
1733 theme,
1734 cx,
1735 ))
1736 .with_children(self.render_connection_status(cx))
1737 .boxed(),
1738 )
1739 .right()
1740 .boxed(),
1741 )
1742 .boxed(),
1743 )
1744 .with_style(theme.workspace.titlebar.container)
1745 .boxed(),
1746 )
1747 .with_height(theme.workspace.titlebar.height)
1748 .named("titlebar")
1749 }
1750
1751 fn active_item_path_changed(&mut self, cx: &mut ViewContext<Self>) {
1752 let active_entry = self.active_project_path(cx);
1753 self.project
1754 .update(cx, |project, cx| project.set_active_path(active_entry, cx));
1755 self.update_window_title(cx);
1756 }
1757
1758 fn update_window_title(&mut self, cx: &mut ViewContext<Self>) {
1759 let mut title = String::new();
1760 let project = self.project().read(cx);
1761 if let Some(path) = self.active_item(cx).and_then(|item| item.project_path(cx)) {
1762 let filename = path
1763 .path
1764 .file_name()
1765 .map(|s| s.to_string_lossy())
1766 .or_else(|| {
1767 Some(Cow::Borrowed(
1768 project
1769 .worktree_for_id(path.worktree_id, cx)?
1770 .read(cx)
1771 .root_name(),
1772 ))
1773 });
1774 if let Some(filename) = filename {
1775 title.push_str(filename.as_ref());
1776 title.push_str(" — ");
1777 }
1778 }
1779 for (i, name) in project.worktree_root_names(cx).enumerate() {
1780 if i > 0 {
1781 title.push_str(", ");
1782 }
1783 title.push_str(name);
1784 }
1785 if title.is_empty() {
1786 title = "empty project".to_string();
1787 }
1788 cx.set_window_title(&title);
1789 }
1790
1791 fn update_window_edited(&mut self, cx: &mut ViewContext<Self>) {
1792 let is_edited = self
1793 .items(cx)
1794 .any(|item| item.has_conflict(cx) || item.is_dirty(cx));
1795 if is_edited != self.window_edited {
1796 self.window_edited = is_edited;
1797 cx.set_window_edited(self.window_edited)
1798 }
1799 }
1800
1801 fn render_collaborators(&self, theme: &Theme, cx: &mut RenderContext<Self>) -> Vec<ElementBox> {
1802 let mut collaborators = self
1803 .project
1804 .read(cx)
1805 .collaborators()
1806 .values()
1807 .cloned()
1808 .collect::<Vec<_>>();
1809 collaborators.sort_unstable_by_key(|collaborator| collaborator.replica_id);
1810 collaborators
1811 .into_iter()
1812 .filter_map(|collaborator| {
1813 Some(self.render_avatar(
1814 collaborator.user.avatar.clone()?,
1815 collaborator.replica_id,
1816 Some((collaborator.peer_id, &collaborator.user.github_login)),
1817 theme,
1818 cx,
1819 ))
1820 })
1821 .collect()
1822 }
1823
1824 fn render_current_user(
1825 &self,
1826 user: Option<&Arc<User>>,
1827 replica_id: ReplicaId,
1828 theme: &Theme,
1829 cx: &mut RenderContext<Self>,
1830 ) -> Option<ElementBox> {
1831 let status = *self.client.status().borrow();
1832 if let Some(avatar) = user.and_then(|user| user.avatar.clone()) {
1833 Some(self.render_avatar(avatar, replica_id, None, theme, cx))
1834 } else if matches!(status, client::Status::UpgradeRequired) {
1835 None
1836 } else {
1837 Some(
1838 MouseEventHandler::new::<Authenticate, _, _>(0, cx, |state, _| {
1839 let style = theme
1840 .workspace
1841 .titlebar
1842 .sign_in_prompt
1843 .style_for(state, false);
1844 Label::new("Sign in".to_string(), style.text.clone())
1845 .contained()
1846 .with_style(style.container)
1847 .boxed()
1848 })
1849 .on_click(|_, _, cx| cx.dispatch_action(Authenticate))
1850 .with_cursor_style(CursorStyle::PointingHand)
1851 .aligned()
1852 .boxed(),
1853 )
1854 }
1855 }
1856
1857 fn render_avatar(
1858 &self,
1859 avatar: Arc<ImageData>,
1860 replica_id: ReplicaId,
1861 peer: Option<(PeerId, &str)>,
1862 theme: &Theme,
1863 cx: &mut RenderContext<Self>,
1864 ) -> ElementBox {
1865 let replica_color = theme.editor.replica_selection_style(replica_id).cursor;
1866 let is_followed = peer.map_or(false, |(peer_id, _)| {
1867 self.follower_states_by_leader.contains_key(&peer_id)
1868 });
1869 let mut avatar_style = theme.workspace.titlebar.avatar;
1870 if is_followed {
1871 avatar_style.border = Border::all(1.0, replica_color);
1872 }
1873 let content = Stack::new()
1874 .with_child(
1875 Image::new(avatar)
1876 .with_style(avatar_style)
1877 .constrained()
1878 .with_width(theme.workspace.titlebar.avatar_width)
1879 .aligned()
1880 .boxed(),
1881 )
1882 .with_child(
1883 AvatarRibbon::new(replica_color)
1884 .constrained()
1885 .with_width(theme.workspace.titlebar.avatar_ribbon.width)
1886 .with_height(theme.workspace.titlebar.avatar_ribbon.height)
1887 .aligned()
1888 .bottom()
1889 .boxed(),
1890 )
1891 .constrained()
1892 .with_width(theme.workspace.titlebar.avatar_width)
1893 .contained()
1894 .with_margin_left(theme.workspace.titlebar.avatar_margin)
1895 .boxed();
1896
1897 if let Some((peer_id, peer_github_login)) = peer {
1898 MouseEventHandler::new::<ToggleFollow, _, _>(replica_id.into(), cx, move |_, _| content)
1899 .with_cursor_style(CursorStyle::PointingHand)
1900 .on_click(move |_, _, cx| cx.dispatch_action(ToggleFollow(peer_id)))
1901 .with_tooltip::<ToggleFollow, _>(
1902 peer_id.0 as usize,
1903 if is_followed {
1904 format!("Unfollow {}", peer_github_login)
1905 } else {
1906 format!("Follow {}", peer_github_login)
1907 },
1908 Some(Box::new(FollowNextCollaborator)),
1909 theme.tooltip.clone(),
1910 cx,
1911 )
1912 .boxed()
1913 } else {
1914 content
1915 }
1916 }
1917
1918 fn render_disconnected_overlay(&self, cx: &AppContext) -> Option<ElementBox> {
1919 if self.project.read(cx).is_read_only() {
1920 let theme = &cx.global::<Settings>().theme;
1921 Some(
1922 EventHandler::new(
1923 Label::new(
1924 "Your connection to the remote project has been lost.".to_string(),
1925 theme.workspace.disconnected_overlay.text.clone(),
1926 )
1927 .aligned()
1928 .contained()
1929 .with_style(theme.workspace.disconnected_overlay.container)
1930 .boxed(),
1931 )
1932 .capture_all::<Self>(0)
1933 .boxed(),
1934 )
1935 } else {
1936 None
1937 }
1938 }
1939
1940 fn render_notifications(&self, theme: &theme::Workspace) -> Option<ElementBox> {
1941 if self.notifications.is_empty() {
1942 None
1943 } else {
1944 Some(
1945 Flex::column()
1946 .with_children(self.notifications.iter().map(|(_, _, notification)| {
1947 ChildView::new(notification.as_ref())
1948 .contained()
1949 .with_style(theme.notification)
1950 .boxed()
1951 }))
1952 .constrained()
1953 .with_width(theme.notifications.width)
1954 .contained()
1955 .with_style(theme.notifications.container)
1956 .aligned()
1957 .bottom()
1958 .right()
1959 .boxed(),
1960 )
1961 }
1962 }
1963
1964 // RPC handlers
1965
1966 async fn handle_follow(
1967 this: ViewHandle<Self>,
1968 envelope: TypedEnvelope<proto::Follow>,
1969 _: Arc<Client>,
1970 mut cx: AsyncAppContext,
1971 ) -> Result<proto::FollowResponse> {
1972 this.update(&mut cx, |this, cx| {
1973 this.leader_state
1974 .followers
1975 .insert(envelope.original_sender_id()?);
1976
1977 let active_view_id = this
1978 .active_item(cx)
1979 .and_then(|i| i.to_followable_item_handle(cx))
1980 .map(|i| i.id() as u64);
1981 Ok(proto::FollowResponse {
1982 active_view_id,
1983 views: this
1984 .panes()
1985 .iter()
1986 .flat_map(|pane| {
1987 let leader_id = this.leader_for_pane(pane).map(|id| id.0);
1988 pane.read(cx).items().filter_map({
1989 let cx = &cx;
1990 move |item| {
1991 let id = item.id() as u64;
1992 let item = item.to_followable_item_handle(cx)?;
1993 let variant = item.to_state_proto(cx)?;
1994 Some(proto::View {
1995 id,
1996 leader_id,
1997 variant: Some(variant),
1998 })
1999 }
2000 })
2001 })
2002 .collect(),
2003 })
2004 })
2005 }
2006
2007 async fn handle_unfollow(
2008 this: ViewHandle<Self>,
2009 envelope: TypedEnvelope<proto::Unfollow>,
2010 _: Arc<Client>,
2011 mut cx: AsyncAppContext,
2012 ) -> Result<()> {
2013 this.update(&mut cx, |this, _| {
2014 this.leader_state
2015 .followers
2016 .remove(&envelope.original_sender_id()?);
2017 Ok(())
2018 })
2019 }
2020
2021 async fn handle_update_followers(
2022 this: ViewHandle<Self>,
2023 envelope: TypedEnvelope<proto::UpdateFollowers>,
2024 _: Arc<Client>,
2025 mut cx: AsyncAppContext,
2026 ) -> Result<()> {
2027 let leader_id = envelope.original_sender_id()?;
2028 match envelope
2029 .payload
2030 .variant
2031 .ok_or_else(|| anyhow!("invalid update"))?
2032 {
2033 proto::update_followers::Variant::UpdateActiveView(update_active_view) => {
2034 this.update(&mut cx, |this, cx| {
2035 this.update_leader_state(leader_id, cx, |state, _| {
2036 state.active_view_id = update_active_view.id;
2037 });
2038 Ok::<_, anyhow::Error>(())
2039 })
2040 }
2041 proto::update_followers::Variant::UpdateView(update_view) => {
2042 this.update(&mut cx, |this, cx| {
2043 let variant = update_view
2044 .variant
2045 .ok_or_else(|| anyhow!("missing update view variant"))?;
2046 this.update_leader_state(leader_id, cx, |state, cx| {
2047 let variant = variant.clone();
2048 match state
2049 .items_by_leader_view_id
2050 .entry(update_view.id)
2051 .or_insert(FollowerItem::Loading(Vec::new()))
2052 {
2053 FollowerItem::Loaded(item) => {
2054 item.apply_update_proto(variant, cx).log_err();
2055 }
2056 FollowerItem::Loading(updates) => updates.push(variant),
2057 }
2058 });
2059 Ok(())
2060 })
2061 }
2062 proto::update_followers::Variant::CreateView(view) => {
2063 let panes = this.read_with(&cx, |this, _| {
2064 this.follower_states_by_leader
2065 .get(&leader_id)
2066 .into_iter()
2067 .flat_map(|states_by_pane| states_by_pane.keys())
2068 .cloned()
2069 .collect()
2070 });
2071 Self::add_views_from_leader(this.clone(), leader_id, panes, vec![view], &mut cx)
2072 .await?;
2073 Ok(())
2074 }
2075 }
2076 .log_err();
2077
2078 Ok(())
2079 }
2080
2081 async fn add_views_from_leader(
2082 this: ViewHandle<Self>,
2083 leader_id: PeerId,
2084 panes: Vec<ViewHandle<Pane>>,
2085 views: Vec<proto::View>,
2086 cx: &mut AsyncAppContext,
2087 ) -> Result<()> {
2088 let project = this.read_with(cx, |this, _| this.project.clone());
2089 let replica_id = project
2090 .read_with(cx, |project, _| {
2091 project
2092 .collaborators()
2093 .get(&leader_id)
2094 .map(|c| c.replica_id)
2095 })
2096 .ok_or_else(|| anyhow!("no such collaborator {}", leader_id))?;
2097
2098 let item_builders = cx.update(|cx| {
2099 cx.default_global::<FollowableItemBuilders>()
2100 .values()
2101 .map(|b| b.0)
2102 .collect::<Vec<_>>()
2103 .clone()
2104 });
2105
2106 let mut item_tasks_by_pane = HashMap::default();
2107 for pane in panes {
2108 let mut item_tasks = Vec::new();
2109 let mut leader_view_ids = Vec::new();
2110 for view in &views {
2111 let mut variant = view.variant.clone();
2112 if variant.is_none() {
2113 Err(anyhow!("missing variant"))?;
2114 }
2115 for build_item in &item_builders {
2116 let task =
2117 cx.update(|cx| build_item(pane.clone(), project.clone(), &mut variant, cx));
2118 if let Some(task) = task {
2119 item_tasks.push(task);
2120 leader_view_ids.push(view.id);
2121 break;
2122 } else {
2123 assert!(variant.is_some());
2124 }
2125 }
2126 }
2127
2128 item_tasks_by_pane.insert(pane, (item_tasks, leader_view_ids));
2129 }
2130
2131 for (pane, (item_tasks, leader_view_ids)) in item_tasks_by_pane {
2132 let items = futures::future::try_join_all(item_tasks).await?;
2133 this.update(cx, |this, cx| {
2134 let state = this
2135 .follower_states_by_leader
2136 .get_mut(&leader_id)?
2137 .get_mut(&pane)?;
2138
2139 for (id, item) in leader_view_ids.into_iter().zip(items) {
2140 item.set_leader_replica_id(Some(replica_id), cx);
2141 match state.items_by_leader_view_id.entry(id) {
2142 hash_map::Entry::Occupied(e) => {
2143 let e = e.into_mut();
2144 if let FollowerItem::Loading(updates) = e {
2145 for update in updates.drain(..) {
2146 item.apply_update_proto(update, cx)
2147 .context("failed to apply view update")
2148 .log_err();
2149 }
2150 }
2151 *e = FollowerItem::Loaded(item);
2152 }
2153 hash_map::Entry::Vacant(e) => {
2154 e.insert(FollowerItem::Loaded(item));
2155 }
2156 }
2157 }
2158
2159 Some(())
2160 });
2161 }
2162 this.update(cx, |this, cx| this.leader_updated(leader_id, cx));
2163
2164 Ok(())
2165 }
2166
2167 fn update_followers(
2168 &self,
2169 update: proto::update_followers::Variant,
2170 cx: &AppContext,
2171 ) -> Option<()> {
2172 let project_id = self.project.read(cx).remote_id()?;
2173 if !self.leader_state.followers.is_empty() {
2174 self.client
2175 .send(proto::UpdateFollowers {
2176 project_id,
2177 follower_ids: self.leader_state.followers.iter().map(|f| f.0).collect(),
2178 variant: Some(update),
2179 })
2180 .log_err();
2181 }
2182 None
2183 }
2184
2185 pub fn leader_for_pane(&self, pane: &ViewHandle<Pane>) -> Option<PeerId> {
2186 self.follower_states_by_leader
2187 .iter()
2188 .find_map(|(leader_id, state)| {
2189 if state.contains_key(pane) {
2190 Some(*leader_id)
2191 } else {
2192 None
2193 }
2194 })
2195 }
2196
2197 fn update_leader_state(
2198 &mut self,
2199 leader_id: PeerId,
2200 cx: &mut ViewContext<Self>,
2201 mut update_fn: impl FnMut(&mut FollowerState, &mut ViewContext<Self>),
2202 ) {
2203 for (_, state) in self
2204 .follower_states_by_leader
2205 .get_mut(&leader_id)
2206 .into_iter()
2207 .flatten()
2208 {
2209 update_fn(state, cx);
2210 }
2211 self.leader_updated(leader_id, cx);
2212 }
2213
2214 fn leader_updated(&mut self, leader_id: PeerId, cx: &mut ViewContext<Self>) -> Option<()> {
2215 let mut items_to_add = Vec::new();
2216 for (pane, state) in self.follower_states_by_leader.get(&leader_id)? {
2217 if let Some(active_item) = state
2218 .active_view_id
2219 .and_then(|id| state.items_by_leader_view_id.get(&id))
2220 {
2221 if let FollowerItem::Loaded(item) = active_item {
2222 items_to_add.push((pane.clone(), item.boxed_clone()));
2223 }
2224 }
2225 }
2226
2227 for (pane, item) in items_to_add {
2228 Pane::add_item(self, pane.clone(), item.boxed_clone(), false, false, cx);
2229 if pane == self.active_pane {
2230 pane.update(cx, |pane, cx| pane.focus_active_item(cx));
2231 }
2232 cx.notify();
2233 }
2234 None
2235 }
2236}
2237
2238impl Entity for Workspace {
2239 type Event = Event;
2240}
2241
2242impl View for Workspace {
2243 fn ui_name() -> &'static str {
2244 "Workspace"
2245 }
2246
2247 fn render(&mut self, cx: &mut RenderContext<Self>) -> ElementBox {
2248 let theme = cx.global::<Settings>().theme.clone();
2249 Stack::new()
2250 .with_child(
2251 Flex::column()
2252 .with_child(self.render_titlebar(&theme, cx))
2253 .with_child(
2254 Stack::new()
2255 .with_child({
2256 Flex::row()
2257 .with_children(
2258 if self.left_sidebar.read(cx).active_item().is_some() {
2259 Some(
2260 ChildView::new(&self.left_sidebar)
2261 .flex(0.8, false)
2262 .boxed(),
2263 )
2264 } else {
2265 None
2266 },
2267 )
2268 .with_child(
2269 FlexItem::new(self.center.render(
2270 &theme,
2271 &self.follower_states_by_leader,
2272 self.project.read(cx).collaborators(),
2273 ))
2274 .flex(1., true)
2275 .boxed(),
2276 )
2277 .with_children(
2278 if self.right_sidebar.read(cx).active_item().is_some() {
2279 Some(
2280 ChildView::new(&self.right_sidebar)
2281 .flex(0.8, false)
2282 .boxed(),
2283 )
2284 } else {
2285 None
2286 },
2287 )
2288 .boxed()
2289 })
2290 .with_children(self.modal.as_ref().map(|m| {
2291 ChildView::new(m)
2292 .contained()
2293 .with_style(theme.workspace.modal)
2294 .aligned()
2295 .top()
2296 .boxed()
2297 }))
2298 .with_children(self.render_notifications(&theme.workspace))
2299 .flex(1.0, true)
2300 .boxed(),
2301 )
2302 .with_child(ChildView::new(&self.status_bar).boxed())
2303 .contained()
2304 .with_background_color(theme.workspace.background)
2305 .boxed(),
2306 )
2307 .with_children(self.render_disconnected_overlay(cx))
2308 .named("workspace")
2309 }
2310
2311 fn on_focus(&mut self, cx: &mut ViewContext<Self>) {
2312 cx.focus(&self.active_pane);
2313 }
2314}
2315
2316pub trait WorkspaceHandle {
2317 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath>;
2318}
2319
2320impl WorkspaceHandle for ViewHandle<Workspace> {
2321 fn file_project_paths(&self, cx: &AppContext) -> Vec<ProjectPath> {
2322 self.read(cx)
2323 .worktrees(cx)
2324 .flat_map(|worktree| {
2325 let worktree_id = worktree.read(cx).id();
2326 worktree.read(cx).files(true, 0).map(move |f| ProjectPath {
2327 worktree_id,
2328 path: f.path.clone(),
2329 })
2330 })
2331 .collect::<Vec<_>>()
2332 }
2333}
2334
2335pub struct AvatarRibbon {
2336 color: Color,
2337}
2338
2339impl AvatarRibbon {
2340 pub fn new(color: Color) -> AvatarRibbon {
2341 AvatarRibbon { color }
2342 }
2343}
2344
2345impl Element for AvatarRibbon {
2346 type LayoutState = ();
2347
2348 type PaintState = ();
2349
2350 fn layout(
2351 &mut self,
2352 constraint: gpui::SizeConstraint,
2353 _: &mut gpui::LayoutContext,
2354 ) -> (gpui::geometry::vector::Vector2F, Self::LayoutState) {
2355 (constraint.max, ())
2356 }
2357
2358 fn paint(
2359 &mut self,
2360 bounds: gpui::geometry::rect::RectF,
2361 _: gpui::geometry::rect::RectF,
2362 _: &mut Self::LayoutState,
2363 cx: &mut gpui::PaintContext,
2364 ) -> Self::PaintState {
2365 let mut path = PathBuilder::new();
2366 path.reset(bounds.lower_left());
2367 path.curve_to(
2368 bounds.origin() + vec2f(bounds.height(), 0.),
2369 bounds.origin(),
2370 );
2371 path.line_to(bounds.upper_right() - vec2f(bounds.height(), 0.));
2372 path.curve_to(bounds.lower_right(), bounds.upper_right());
2373 path.line_to(bounds.lower_left());
2374 cx.scene.push_path(path.build(self.color, None));
2375 }
2376
2377 fn dispatch_event(
2378 &mut self,
2379 _: &gpui::Event,
2380 _: RectF,
2381 _: RectF,
2382 _: &mut Self::LayoutState,
2383 _: &mut Self::PaintState,
2384 _: &mut gpui::EventContext,
2385 ) -> bool {
2386 false
2387 }
2388
2389 fn debug(
2390 &self,
2391 bounds: gpui::geometry::rect::RectF,
2392 _: &Self::LayoutState,
2393 _: &Self::PaintState,
2394 _: &gpui::DebugContext,
2395 ) -> gpui::json::Value {
2396 json::json!({
2397 "type": "AvatarRibbon",
2398 "bounds": bounds.to_json(),
2399 "color": self.color.to_json(),
2400 })
2401 }
2402}
2403
2404impl std::fmt::Debug for OpenPaths {
2405 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
2406 f.debug_struct("OpenPaths")
2407 .field("paths", &self.paths)
2408 .finish()
2409 }
2410}
2411
2412fn open(_: &Open, cx: &mut MutableAppContext) {
2413 let mut paths = cx.prompt_for_paths(PathPromptOptions {
2414 files: true,
2415 directories: true,
2416 multiple: true,
2417 });
2418 cx.spawn(|mut cx| async move {
2419 if let Some(paths) = paths.recv().await.flatten() {
2420 cx.update(|cx| cx.dispatch_global_action(OpenPaths { paths }));
2421 }
2422 })
2423 .detach();
2424}
2425
2426pub struct WorkspaceCreated(WeakViewHandle<Workspace>);
2427
2428pub fn activate_workspace_for_project(
2429 cx: &mut MutableAppContext,
2430 predicate: impl Fn(&mut Project, &mut ModelContext<Project>) -> bool,
2431) -> Option<ViewHandle<Workspace>> {
2432 for window_id in cx.window_ids().collect::<Vec<_>>() {
2433 if let Some(workspace_handle) = cx.root_view::<Workspace>(window_id) {
2434 let project = workspace_handle.read(cx).project.clone();
2435 if project.update(cx, &predicate) {
2436 cx.activate_window(window_id);
2437 return Some(workspace_handle);
2438 }
2439 }
2440 }
2441 None
2442}
2443
2444pub fn open_paths(
2445 abs_paths: &[PathBuf],
2446 app_state: &Arc<AppState>,
2447 cx: &mut MutableAppContext,
2448) -> Task<(
2449 ViewHandle<Workspace>,
2450 Vec<Option<Result<Box<dyn ItemHandle>, Arc<anyhow::Error>>>>,
2451)> {
2452 log::info!("open paths {:?}", abs_paths);
2453
2454 // Open paths in existing workspace if possible
2455 let existing =
2456 activate_workspace_for_project(cx, |project, cx| project.contains_paths(abs_paths, cx));
2457
2458 let app_state = app_state.clone();
2459 let abs_paths = abs_paths.to_vec();
2460 cx.spawn(|mut cx| async move {
2461 let mut new_project = None;
2462 let workspace = if let Some(existing) = existing {
2463 existing
2464 } else {
2465 let contains_directory =
2466 futures::future::join_all(abs_paths.iter().map(|path| app_state.fs.is_file(path)))
2467 .await
2468 .contains(&false);
2469
2470 cx.add_window((app_state.build_window_options)(), |cx| {
2471 let project = Project::local(
2472 false,
2473 app_state.client.clone(),
2474 app_state.user_store.clone(),
2475 app_state.project_store.clone(),
2476 app_state.languages.clone(),
2477 app_state.fs.clone(),
2478 cx,
2479 );
2480 new_project = Some(project.clone());
2481 let mut workspace = Workspace::new(project, cx);
2482 (app_state.initialize_workspace)(&mut workspace, &app_state, cx);
2483 if contains_directory {
2484 workspace.toggle_sidebar_item(
2485 &ToggleSidebarItem {
2486 side: Side::Left,
2487 item_index: 0,
2488 },
2489 cx,
2490 );
2491 }
2492 workspace
2493 })
2494 .1
2495 };
2496
2497 let items = workspace
2498 .update(&mut cx, |workspace, cx| {
2499 workspace.open_paths(abs_paths, true, cx)
2500 })
2501 .await;
2502
2503 if let Some(project) = new_project {
2504 project
2505 .update(&mut cx, |project, cx| project.restore_state(cx))
2506 .await
2507 .log_err();
2508 }
2509
2510 (workspace, items)
2511 })
2512}
2513
2514pub fn join_project(
2515 contact: Arc<Contact>,
2516 project_index: usize,
2517 app_state: &Arc<AppState>,
2518 cx: &mut MutableAppContext,
2519) {
2520 let project_id = contact.projects[project_index].id;
2521
2522 for window_id in cx.window_ids().collect::<Vec<_>>() {
2523 if let Some(workspace) = cx.root_view::<Workspace>(window_id) {
2524 if workspace.read(cx).project().read(cx).remote_id() == Some(project_id) {
2525 cx.activate_window(window_id);
2526 return;
2527 }
2528 }
2529 }
2530
2531 cx.add_window((app_state.build_window_options)(), |cx| {
2532 WaitingRoom::new(contact, project_index, app_state.clone(), cx)
2533 });
2534}
2535
2536fn open_new(app_state: &Arc<AppState>, cx: &mut MutableAppContext) {
2537 let (window_id, workspace) = cx.add_window((app_state.build_window_options)(), |cx| {
2538 let mut workspace = Workspace::new(
2539 Project::local(
2540 false,
2541 app_state.client.clone(),
2542 app_state.user_store.clone(),
2543 app_state.project_store.clone(),
2544 app_state.languages.clone(),
2545 app_state.fs.clone(),
2546 cx,
2547 ),
2548 cx,
2549 );
2550 (app_state.initialize_workspace)(&mut workspace, app_state, cx);
2551 workspace
2552 });
2553 cx.dispatch_action(window_id, vec![workspace.id()], &NewFile);
2554}
2555
2556#[cfg(test)]
2557mod tests {
2558 use super::*;
2559 use gpui::{ModelHandle, TestAppContext, ViewContext};
2560 use project::{FakeFs, Project, ProjectEntryId};
2561 use serde_json::json;
2562
2563 #[gpui::test]
2564 async fn test_tracking_active_path(cx: &mut TestAppContext) {
2565 cx.foreground().forbid_parking();
2566 Settings::test_async(cx);
2567 let fs = FakeFs::new(cx.background());
2568 fs.insert_tree(
2569 "/root1",
2570 json!({
2571 "one.txt": "",
2572 "two.txt": "",
2573 }),
2574 )
2575 .await;
2576 fs.insert_tree(
2577 "/root2",
2578 json!({
2579 "three.txt": "",
2580 }),
2581 )
2582 .await;
2583
2584 let project = Project::test(fs, ["root1".as_ref()], cx).await;
2585 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project.clone(), cx));
2586 let worktree_id = project.read_with(cx, |project, cx| {
2587 project.worktrees(cx).next().unwrap().read(cx).id()
2588 });
2589
2590 let item1 = cx.add_view(window_id, |_| {
2591 let mut item = TestItem::new();
2592 item.project_path = Some((worktree_id, "one.txt").into());
2593 item
2594 });
2595 let item2 = cx.add_view(window_id, |_| {
2596 let mut item = TestItem::new();
2597 item.project_path = Some((worktree_id, "two.txt").into());
2598 item
2599 });
2600
2601 // Add an item to an empty pane
2602 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item1), cx));
2603 project.read_with(cx, |project, cx| {
2604 assert_eq!(
2605 project.active_entry(),
2606 project.entry_for_path(&(worktree_id, "one.txt").into(), cx)
2607 );
2608 });
2609 assert_eq!(
2610 cx.current_window_title(window_id).as_deref(),
2611 Some("one.txt — root1")
2612 );
2613
2614 // Add a second item to a non-empty pane
2615 workspace.update(cx, |workspace, cx| workspace.add_item(Box::new(item2), cx));
2616 assert_eq!(
2617 cx.current_window_title(window_id).as_deref(),
2618 Some("two.txt — root1")
2619 );
2620 project.read_with(cx, |project, cx| {
2621 assert_eq!(
2622 project.active_entry(),
2623 project.entry_for_path(&(worktree_id, "two.txt").into(), cx)
2624 );
2625 });
2626
2627 // Close the active item
2628 workspace
2629 .update(cx, |workspace, cx| {
2630 Pane::close_active_item(workspace, &Default::default(), cx).unwrap()
2631 })
2632 .await
2633 .unwrap();
2634 assert_eq!(
2635 cx.current_window_title(window_id).as_deref(),
2636 Some("one.txt — root1")
2637 );
2638 project.read_with(cx, |project, cx| {
2639 assert_eq!(
2640 project.active_entry(),
2641 project.entry_for_path(&(worktree_id, "one.txt").into(), cx)
2642 );
2643 });
2644
2645 // Add a project folder
2646 project
2647 .update(cx, |project, cx| {
2648 project.find_or_create_local_worktree("/root2", true, cx)
2649 })
2650 .await
2651 .unwrap();
2652 assert_eq!(
2653 cx.current_window_title(window_id).as_deref(),
2654 Some("one.txt — root1, root2")
2655 );
2656
2657 // Remove a project folder
2658 project.update(cx, |project, cx| {
2659 project.remove_worktree(worktree_id, cx);
2660 });
2661 assert_eq!(
2662 cx.current_window_title(window_id).as_deref(),
2663 Some("one.txt — root2")
2664 );
2665 }
2666
2667 #[gpui::test]
2668 async fn test_close_window(cx: &mut TestAppContext) {
2669 cx.foreground().forbid_parking();
2670 Settings::test_async(cx);
2671 let fs = FakeFs::new(cx.background());
2672 fs.insert_tree("/root", json!({ "one": "" })).await;
2673
2674 let project = Project::test(fs, ["root".as_ref()], cx).await;
2675 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project.clone(), cx));
2676
2677 // When there are no dirty items, there's nothing to do.
2678 let item1 = cx.add_view(window_id, |_| TestItem::new());
2679 workspace.update(cx, |w, cx| w.add_item(Box::new(item1.clone()), cx));
2680 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
2681 assert_eq!(task.await.unwrap(), true);
2682
2683 // When there are dirty untitled items, prompt to save each one. If the user
2684 // cancels any prompt, then abort.
2685 let item2 = cx.add_view(window_id, |_| {
2686 let mut item = TestItem::new();
2687 item.is_dirty = true;
2688 item
2689 });
2690 let item3 = cx.add_view(window_id, |_| {
2691 let mut item = TestItem::new();
2692 item.is_dirty = true;
2693 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
2694 item
2695 });
2696 workspace.update(cx, |w, cx| {
2697 w.add_item(Box::new(item2.clone()), cx);
2698 w.add_item(Box::new(item3.clone()), cx);
2699 });
2700 let task = workspace.update(cx, |w, cx| w.prepare_to_close(cx));
2701 cx.foreground().run_until_parked();
2702 cx.simulate_prompt_answer(window_id, 2 /* cancel */);
2703 cx.foreground().run_until_parked();
2704 assert!(!cx.has_pending_prompt(window_id));
2705 assert_eq!(task.await.unwrap(), false);
2706 }
2707
2708 #[gpui::test]
2709 async fn test_close_pane_items(cx: &mut TestAppContext) {
2710 cx.foreground().forbid_parking();
2711 Settings::test_async(cx);
2712 let fs = FakeFs::new(cx.background());
2713
2714 let project = Project::test(fs, None, cx).await;
2715 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project, cx));
2716
2717 let item1 = cx.add_view(window_id, |_| {
2718 let mut item = TestItem::new();
2719 item.is_dirty = true;
2720 item.project_entry_ids = vec![ProjectEntryId::from_proto(1)];
2721 item
2722 });
2723 let item2 = 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(2)];
2728 item
2729 });
2730 let item3 = cx.add_view(window_id, |_| {
2731 let mut item = TestItem::new();
2732 item.is_dirty = true;
2733 item.has_conflict = true;
2734 item.project_entry_ids = vec![ProjectEntryId::from_proto(3)];
2735 item
2736 });
2737 let item4 = cx.add_view(window_id, |_| {
2738 let mut item = TestItem::new();
2739 item.is_dirty = true;
2740 item
2741 });
2742 let pane = workspace.update(cx, |workspace, cx| {
2743 workspace.add_item(Box::new(item1.clone()), cx);
2744 workspace.add_item(Box::new(item2.clone()), cx);
2745 workspace.add_item(Box::new(item3.clone()), cx);
2746 workspace.add_item(Box::new(item4.clone()), cx);
2747 workspace.active_pane().clone()
2748 });
2749
2750 let close_items = workspace.update(cx, |workspace, cx| {
2751 pane.update(cx, |pane, cx| {
2752 pane.activate_item(1, true, true, cx);
2753 assert_eq!(pane.active_item().unwrap().id(), item2.id());
2754 });
2755
2756 let item1_id = item1.id();
2757 let item3_id = item3.id();
2758 let item4_id = item4.id();
2759 Pane::close_items(workspace, pane.clone(), cx, move |id| {
2760 [item1_id, item3_id, item4_id].contains(&id)
2761 })
2762 });
2763
2764 cx.foreground().run_until_parked();
2765 pane.read_with(cx, |pane, _| {
2766 assert_eq!(pane.items().count(), 4);
2767 assert_eq!(pane.active_item().unwrap().id(), item1.id());
2768 });
2769
2770 cx.simulate_prompt_answer(window_id, 0);
2771 cx.foreground().run_until_parked();
2772 pane.read_with(cx, |pane, cx| {
2773 assert_eq!(item1.read(cx).save_count, 1);
2774 assert_eq!(item1.read(cx).save_as_count, 0);
2775 assert_eq!(item1.read(cx).reload_count, 0);
2776 assert_eq!(pane.items().count(), 3);
2777 assert_eq!(pane.active_item().unwrap().id(), item3.id());
2778 });
2779
2780 cx.simulate_prompt_answer(window_id, 1);
2781 cx.foreground().run_until_parked();
2782 pane.read_with(cx, |pane, cx| {
2783 assert_eq!(item3.read(cx).save_count, 0);
2784 assert_eq!(item3.read(cx).save_as_count, 0);
2785 assert_eq!(item3.read(cx).reload_count, 1);
2786 assert_eq!(pane.items().count(), 2);
2787 assert_eq!(pane.active_item().unwrap().id(), item4.id());
2788 });
2789
2790 cx.simulate_prompt_answer(window_id, 0);
2791 cx.foreground().run_until_parked();
2792 cx.simulate_new_path_selection(|_| Some(Default::default()));
2793 close_items.await.unwrap();
2794 pane.read_with(cx, |pane, cx| {
2795 assert_eq!(item4.read(cx).save_count, 0);
2796 assert_eq!(item4.read(cx).save_as_count, 1);
2797 assert_eq!(item4.read(cx).reload_count, 0);
2798 assert_eq!(pane.items().count(), 1);
2799 assert_eq!(pane.active_item().unwrap().id(), item2.id());
2800 });
2801 }
2802
2803 #[gpui::test]
2804 async fn test_prompting_to_save_only_on_last_item_for_entry(cx: &mut TestAppContext) {
2805 cx.foreground().forbid_parking();
2806 Settings::test_async(cx);
2807 let fs = FakeFs::new(cx.background());
2808
2809 let project = Project::test(fs, [], cx).await;
2810 let (window_id, workspace) = cx.add_window(|cx| Workspace::new(project, cx));
2811
2812 // Create several workspace items with single project entries, and two
2813 // workspace items with multiple project entries.
2814 let single_entry_items = (0..=4)
2815 .map(|project_entry_id| {
2816 let mut item = TestItem::new();
2817 item.is_dirty = true;
2818 item.project_entry_ids = vec![ProjectEntryId::from_proto(project_entry_id)];
2819 item.is_singleton = true;
2820 item
2821 })
2822 .collect::<Vec<_>>();
2823 let item_2_3 = {
2824 let mut item = TestItem::new();
2825 item.is_dirty = true;
2826 item.is_singleton = false;
2827 item.project_entry_ids =
2828 vec![ProjectEntryId::from_proto(2), ProjectEntryId::from_proto(3)];
2829 item
2830 };
2831 let item_3_4 = {
2832 let mut item = TestItem::new();
2833 item.is_dirty = true;
2834 item.is_singleton = false;
2835 item.project_entry_ids =
2836 vec![ProjectEntryId::from_proto(3), ProjectEntryId::from_proto(4)];
2837 item
2838 };
2839
2840 // Create two panes that contain the following project entries:
2841 // left pane:
2842 // multi-entry items: (2, 3)
2843 // single-entry items: 0, 1, 2, 3, 4
2844 // right pane:
2845 // single-entry items: 1
2846 // multi-entry items: (3, 4)
2847 let left_pane = workspace.update(cx, |workspace, cx| {
2848 let left_pane = workspace.active_pane().clone();
2849 let right_pane = workspace.split_pane(left_pane.clone(), SplitDirection::Right, cx);
2850
2851 workspace.activate_pane(left_pane.clone(), cx);
2852 workspace.add_item(Box::new(cx.add_view(|_| item_2_3.clone())), cx);
2853 for item in &single_entry_items {
2854 workspace.add_item(Box::new(cx.add_view(|_| item.clone())), cx);
2855 }
2856
2857 workspace.activate_pane(right_pane.clone(), cx);
2858 workspace.add_item(Box::new(cx.add_view(|_| single_entry_items[1].clone())), cx);
2859 workspace.add_item(Box::new(cx.add_view(|_| item_3_4.clone())), cx);
2860
2861 left_pane
2862 });
2863
2864 // When closing all of the items in the left pane, we should be prompted twice:
2865 // once for project entry 0, and once for project entry 2. After those two
2866 // prompts, the task should complete.
2867 let close = workspace.update(cx, |workspace, cx| {
2868 workspace.activate_pane(left_pane.clone(), cx);
2869 Pane::close_items(workspace, left_pane.clone(), cx, |_| true)
2870 });
2871
2872 cx.foreground().run_until_parked();
2873 left_pane.read_with(cx, |pane, cx| {
2874 assert_eq!(
2875 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
2876 &[ProjectEntryId::from_proto(0)]
2877 );
2878 });
2879 cx.simulate_prompt_answer(window_id, 0);
2880
2881 cx.foreground().run_until_parked();
2882 left_pane.read_with(cx, |pane, cx| {
2883 assert_eq!(
2884 pane.active_item().unwrap().project_entry_ids(cx).as_slice(),
2885 &[ProjectEntryId::from_proto(2)]
2886 );
2887 });
2888 cx.simulate_prompt_answer(window_id, 0);
2889
2890 cx.foreground().run_until_parked();
2891 close.await.unwrap();
2892 left_pane.read_with(cx, |pane, _| {
2893 assert_eq!(pane.items().count(), 0);
2894 });
2895 }
2896
2897 #[derive(Clone)]
2898 struct TestItem {
2899 save_count: usize,
2900 save_as_count: usize,
2901 reload_count: usize,
2902 is_dirty: bool,
2903 has_conflict: bool,
2904 project_entry_ids: Vec<ProjectEntryId>,
2905 project_path: Option<ProjectPath>,
2906 is_singleton: bool,
2907 }
2908
2909 impl TestItem {
2910 fn new() -> Self {
2911 Self {
2912 save_count: 0,
2913 save_as_count: 0,
2914 reload_count: 0,
2915 is_dirty: false,
2916 has_conflict: false,
2917 project_entry_ids: Vec::new(),
2918 project_path: None,
2919 is_singleton: true,
2920 }
2921 }
2922 }
2923
2924 impl Entity for TestItem {
2925 type Event = ();
2926 }
2927
2928 impl View for TestItem {
2929 fn ui_name() -> &'static str {
2930 "TestItem"
2931 }
2932
2933 fn render(&mut self, _: &mut RenderContext<Self>) -> ElementBox {
2934 Empty::new().boxed()
2935 }
2936 }
2937
2938 impl Item for TestItem {
2939 fn tab_content(&self, _: &theme::Tab, _: &AppContext) -> ElementBox {
2940 Empty::new().boxed()
2941 }
2942
2943 fn project_path(&self, _: &AppContext) -> Option<ProjectPath> {
2944 self.project_path.clone()
2945 }
2946
2947 fn project_entry_ids(&self, _: &AppContext) -> SmallVec<[ProjectEntryId; 3]> {
2948 self.project_entry_ids.iter().copied().collect()
2949 }
2950
2951 fn is_singleton(&self, _: &AppContext) -> bool {
2952 self.is_singleton
2953 }
2954
2955 fn set_nav_history(&mut self, _: ItemNavHistory, _: &mut ViewContext<Self>) {}
2956
2957 fn clone_on_split(&self, _: &mut ViewContext<Self>) -> Option<Self>
2958 where
2959 Self: Sized,
2960 {
2961 Some(self.clone())
2962 }
2963
2964 fn is_dirty(&self, _: &AppContext) -> bool {
2965 self.is_dirty
2966 }
2967
2968 fn has_conflict(&self, _: &AppContext) -> bool {
2969 self.has_conflict
2970 }
2971
2972 fn can_save(&self, _: &AppContext) -> bool {
2973 self.project_entry_ids.len() > 0
2974 }
2975
2976 fn save(
2977 &mut self,
2978 _: ModelHandle<Project>,
2979 _: &mut ViewContext<Self>,
2980 ) -> Task<anyhow::Result<()>> {
2981 self.save_count += 1;
2982 Task::ready(Ok(()))
2983 }
2984
2985 fn save_as(
2986 &mut self,
2987 _: ModelHandle<Project>,
2988 _: std::path::PathBuf,
2989 _: &mut ViewContext<Self>,
2990 ) -> Task<anyhow::Result<()>> {
2991 self.save_as_count += 1;
2992 Task::ready(Ok(()))
2993 }
2994
2995 fn reload(
2996 &mut self,
2997 _: ModelHandle<Project>,
2998 _: &mut ViewContext<Self>,
2999 ) -> Task<anyhow::Result<()>> {
3000 self.reload_count += 1;
3001 Task::ready(Ok(()))
3002 }
3003
3004 fn should_update_tab_on_event(_: &Self::Event) -> bool {
3005 true
3006 }
3007 }
3008}