dock.rs

  1use collections::HashMap;
  2use gpui::{
  3    actions,
  4    elements::{ChildView, Container, Empty, MouseEventHandler, ParentElement, Side, Stack, Svg},
  5    impl_internal_actions, Border, CursorStyle, Element, ElementBox, Entity, MouseButton,
  6    MutableAppContext, RenderContext, View, ViewContext, ViewHandle, WeakViewHandle,
  7};
  8use serde::Deserialize;
  9use settings::{DockAnchor, Settings};
 10use theme::Theme;
 11
 12use crate::{
 13    handle_dropped_item, sidebar::SidebarSide, ItemHandle, Pane, StatusItemView, Workspace,
 14};
 15
 16#[derive(PartialEq, Clone, Deserialize)]
 17pub struct MoveDock(pub DockAnchor);
 18
 19#[derive(PartialEq, Clone)]
 20pub struct AddDefaultItemToDock;
 21
 22actions!(
 23    dock,
 24    [
 25        FocusDock,
 26        HideDock,
 27        AnchorDockRight,
 28        AnchorDockBottom,
 29        ExpandDock,
 30        MoveActiveItemToDock,
 31    ]
 32);
 33impl_internal_actions!(dock, [MoveDock, AddDefaultItemToDock]);
 34
 35pub fn init(cx: &mut MutableAppContext) {
 36    cx.add_action(Dock::focus_dock);
 37    cx.add_action(Dock::hide_dock);
 38    cx.add_action(Dock::move_dock);
 39    cx.add_action(
 40        |workspace: &mut Workspace, _: &AnchorDockRight, cx: &mut ViewContext<Workspace>| {
 41            Dock::move_dock(workspace, &MoveDock(DockAnchor::Right), cx)
 42        },
 43    );
 44    cx.add_action(
 45        |workspace: &mut Workspace, _: &AnchorDockBottom, cx: &mut ViewContext<Workspace>| {
 46            Dock::move_dock(workspace, &MoveDock(DockAnchor::Bottom), cx)
 47        },
 48    );
 49    cx.add_action(
 50        |workspace: &mut Workspace, _: &ExpandDock, cx: &mut ViewContext<Workspace>| {
 51            Dock::move_dock(workspace, &MoveDock(DockAnchor::Expanded), cx)
 52        },
 53    );
 54    cx.add_action(
 55        |workspace: &mut Workspace, _: &MoveActiveItemToDock, cx: &mut ViewContext<Workspace>| {
 56            if let Some(active_item) = workspace.active_item(cx) {
 57                let item_id = active_item.id();
 58
 59                let from = workspace.active_pane();
 60                let to = workspace.dock_pane();
 61                if from.id() == to.id() {
 62                    return;
 63                }
 64
 65                let destination_index = to.read(cx).items_len() + 1;
 66
 67                Pane::move_item(
 68                    workspace,
 69                    from.clone(),
 70                    to.clone(),
 71                    item_id,
 72                    destination_index,
 73                    cx,
 74                );
 75            }
 76        },
 77    );
 78}
 79
 80#[derive(Copy, Clone, PartialEq, Eq, Debug)]
 81pub enum DockPosition {
 82    Shown(DockAnchor),
 83    Hidden(DockAnchor),
 84}
 85
 86impl Default for DockPosition {
 87    fn default() -> Self {
 88        DockPosition::Hidden(Default::default())
 89    }
 90}
 91
 92pub fn icon_for_dock_anchor(anchor: DockAnchor) -> &'static str {
 93    match anchor {
 94        DockAnchor::Right => "icons/dock_right_12.svg",
 95        DockAnchor::Bottom => "icons/dock_bottom_12.svg",
 96        DockAnchor::Expanded => "icons/dock_modal_12.svg",
 97    }
 98}
 99
100impl DockPosition {
101    pub fn is_visible(&self) -> bool {
102        match self {
103            DockPosition::Shown(_) => true,
104            DockPosition::Hidden(_) => false,
105        }
106    }
107
108    pub fn anchor(&self) -> DockAnchor {
109        match self {
110            DockPosition::Shown(anchor) | DockPosition::Hidden(anchor) => *anchor,
111        }
112    }
113
114    fn hide(self) -> Self {
115        match self {
116            DockPosition::Shown(anchor) => DockPosition::Hidden(anchor),
117            DockPosition::Hidden(_) => self,
118        }
119    }
120
121    fn show(self) -> Self {
122        match self {
123            DockPosition::Hidden(anchor) => DockPosition::Shown(anchor),
124            DockPosition::Shown(_) => self,
125        }
126    }
127}
128
129pub type DefaultItemFactory =
130    fn(&mut Workspace, &mut ViewContext<Workspace>) -> Box<dyn ItemHandle>;
131
132pub struct Dock {
133    position: DockPosition,
134    panel_sizes: HashMap<DockAnchor, f32>,
135    pane: ViewHandle<Pane>,
136    default_item_factory: DefaultItemFactory,
137}
138
139impl Dock {
140    pub fn new(default_item_factory: DefaultItemFactory, cx: &mut ViewContext<Workspace>) -> Self {
141        let position = DockPosition::Hidden(cx.global::<Settings>().default_dock_anchor);
142
143        let pane = cx.add_view(|cx| Pane::new(Some(position.anchor()), cx));
144        pane.update(cx, |pane, cx| {
145            pane.set_active(false, cx);
146        });
147        let pane_id = pane.id();
148        cx.subscribe(&pane, move |workspace, _, event, cx| {
149            workspace.handle_pane_event(pane_id, event, cx);
150        })
151        .detach();
152
153        Self {
154            pane,
155            panel_sizes: Default::default(),
156            position,
157            default_item_factory,
158        }
159    }
160
161    pub fn pane(&self) -> &ViewHandle<Pane> {
162        &self.pane
163    }
164
165    pub fn visible_pane(&self) -> Option<&ViewHandle<Pane>> {
166        self.position.is_visible().then(|| self.pane())
167    }
168
169    pub fn is_anchored_at(&self, anchor: DockAnchor) -> bool {
170        self.position.is_visible() && self.position.anchor() == anchor
171    }
172
173    pub(crate) fn set_dock_position(
174        workspace: &mut Workspace,
175        new_position: DockPosition,
176        cx: &mut ViewContext<Workspace>,
177    ) {
178        dbg!("starting", &new_position);
179        workspace.dock.position = new_position;
180        // Tell the pane about the new anchor position
181        workspace.dock.pane.update(cx, |pane, cx| {
182            dbg!("setting docked");
183            pane.set_docked(Some(new_position.anchor()), cx)
184        });
185
186        if workspace.dock.position.is_visible() {
187            dbg!("dock is visible");
188            // Close the right sidebar if the dock is on the right side and the right sidebar is open
189            if workspace.dock.position.anchor() == DockAnchor::Right {
190                dbg!("dock anchor is right");
191                if workspace.right_sidebar().read(cx).is_open() {
192                    dbg!("Toggling right sidebar");
193                    workspace.toggle_sidebar(SidebarSide::Right, cx);
194                }
195            }
196
197            // Ensure that the pane has at least one item or construct a default item to put in it
198            let pane = workspace.dock.pane.clone();
199            if pane.read(cx).items().next().is_none() {
200                let item_to_add = (workspace.dock.default_item_factory)(workspace, cx);
201                // Adding the item focuses the pane by default
202                dbg!("Adding item to dock");
203                Pane::add_item(workspace, &pane, item_to_add, true, true, None, cx);
204            } else {
205                dbg!("just focusing dock");
206                cx.focus(pane);
207            }
208        } else if let Some(last_active_center_pane) = workspace
209            .last_active_center_pane
210            .as_ref()
211            .and_then(|pane| pane.upgrade(cx))
212        {
213            cx.focus(last_active_center_pane);
214        }
215        cx.emit(crate::Event::DockAnchorChanged);
216        workspace.serialize_workspace(cx);
217        dbg!("Serializing workspace after dock position changed");
218        cx.notify();
219    }
220
221    pub fn hide(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {
222        Self::set_dock_position(workspace, workspace.dock.position.hide(), cx);
223    }
224
225    pub fn show(workspace: &mut Workspace, cx: &mut ViewContext<Workspace>) {
226        Self::set_dock_position(workspace, workspace.dock.position.show(), cx);
227    }
228
229    pub fn hide_on_sidebar_shown(
230        workspace: &mut Workspace,
231        sidebar_side: SidebarSide,
232        cx: &mut ViewContext<Workspace>,
233    ) {
234        if (sidebar_side == SidebarSide::Right && workspace.dock.is_anchored_at(DockAnchor::Right))
235            || workspace.dock.is_anchored_at(DockAnchor::Expanded)
236        {
237            Self::hide(workspace, cx);
238        }
239    }
240
241    fn focus_dock(workspace: &mut Workspace, _: &FocusDock, cx: &mut ViewContext<Workspace>) {
242        Self::set_dock_position(workspace, workspace.dock.position.show(), cx);
243    }
244
245    fn hide_dock(workspace: &mut Workspace, _: &HideDock, cx: &mut ViewContext<Workspace>) {
246        Self::set_dock_position(workspace, workspace.dock.position.hide(), cx);
247    }
248
249    fn move_dock(
250        workspace: &mut Workspace,
251        &MoveDock(new_anchor): &MoveDock,
252        cx: &mut ViewContext<Workspace>,
253    ) {
254        Self::set_dock_position(workspace, DockPosition::Shown(new_anchor), cx);
255    }
256
257    pub fn render(
258        &self,
259        theme: &Theme,
260        anchor: DockAnchor,
261        cx: &mut RenderContext<Workspace>,
262    ) -> Option<ElementBox> {
263        let style = &theme.workspace.dock;
264
265        self.position
266            .is_visible()
267            .then(|| self.position.anchor())
268            .filter(|current_anchor| *current_anchor == anchor)
269            .map(|anchor| match anchor {
270                DockAnchor::Bottom | DockAnchor::Right => {
271                    let mut panel_style = style.panel.clone();
272                    let (resize_side, initial_size) = if anchor == DockAnchor::Bottom {
273                        panel_style.border = Border {
274                            top: true,
275                            bottom: false,
276                            left: false,
277                            right: false,
278                            ..panel_style.border
279                        };
280
281                        (Side::Top, style.initial_size_bottom)
282                    } else {
283                        panel_style.border = Border {
284                            top: false,
285                            bottom: false,
286                            left: true,
287                            right: false,
288                            ..panel_style.border
289                        };
290                        (Side::Left, style.initial_size_right)
291                    };
292
293                    enum DockResizeHandle {}
294
295                    let resizable = Container::new(ChildView::new(self.pane.clone(), cx).boxed())
296                        .with_style(panel_style)
297                        .with_resize_handle::<DockResizeHandle, _>(
298                            resize_side as usize,
299                            resize_side,
300                            4.,
301                            self.panel_sizes
302                                .get(&anchor)
303                                .copied()
304                                .unwrap_or(initial_size),
305                            cx,
306                        );
307
308                    let size = resizable.current_size();
309                    let workspace = cx.handle();
310                    cx.defer(move |cx| {
311                        if let Some(workspace) = workspace.upgrade(cx) {
312                            workspace.update(cx, |workspace, _| {
313                                workspace.dock.panel_sizes.insert(anchor, size);
314                            })
315                        }
316                    });
317
318                    resizable.flex(5., false).boxed()
319                }
320                DockAnchor::Expanded => {
321                    enum ExpandedDockWash {}
322                    enum ExpandedDockPane {}
323                    Stack::new()
324                        .with_child(
325                            // Render wash under the dock which when clicked hides it
326                            MouseEventHandler::<ExpandedDockWash>::new(0, cx, |_, _| {
327                                Empty::new()
328                                    .contained()
329                                    .with_background_color(style.wash_color)
330                                    .boxed()
331                            })
332                            .capture_all()
333                            .on_down(MouseButton::Left, |_, cx| {
334                                cx.dispatch_action(HideDock);
335                            })
336                            .with_cursor_style(CursorStyle::Arrow)
337                            .boxed(),
338                        )
339                        .with_child(
340                            MouseEventHandler::<ExpandedDockPane>::new(0, cx, |_state, cx| {
341                                ChildView::new(&self.pane, cx).boxed()
342                            })
343                            // Make sure all events directly under the dock pane
344                            // are captured
345                            .capture_all()
346                            .contained()
347                            .with_style(style.maximized)
348                            .boxed(),
349                        )
350                        .boxed()
351                }
352            })
353    }
354
355    pub fn position(&self) -> DockPosition {
356        self.position
357    }
358}
359
360pub struct ToggleDockButton {
361    workspace: WeakViewHandle<Workspace>,
362}
363
364impl ToggleDockButton {
365    pub fn new(workspace: ViewHandle<Workspace>, cx: &mut ViewContext<Self>) -> Self {
366        // When dock moves, redraw so that the icon and toggle status matches.
367        cx.subscribe(&workspace, |_, _, _, cx| cx.notify()).detach();
368
369        Self {
370            workspace: workspace.downgrade(),
371        }
372    }
373}
374
375impl Entity for ToggleDockButton {
376    type Event = ();
377}
378
379impl View for ToggleDockButton {
380    fn ui_name() -> &'static str {
381        "Dock Toggle"
382    }
383
384    fn render(&mut self, cx: &mut gpui::RenderContext<'_, Self>) -> ElementBox {
385        let workspace = self.workspace.upgrade(cx);
386
387        if workspace.is_none() {
388            return Empty::new().boxed();
389        }
390
391        let workspace = workspace.unwrap();
392        let dock_position = workspace.read(cx).dock.position;
393
394        let theme = cx.global::<Settings>().theme.clone();
395
396        let button = MouseEventHandler::<Self>::new(0, cx, {
397            let theme = theme.clone();
398            move |state, _| {
399                let style = theme
400                    .workspace
401                    .status_bar
402                    .sidebar_buttons
403                    .item
404                    .style_for(state, dock_position.is_visible());
405
406                Svg::new(icon_for_dock_anchor(dock_position.anchor()))
407                    .with_color(style.icon_color)
408                    .constrained()
409                    .with_width(style.icon_size)
410                    .with_height(style.icon_size)
411                    .contained()
412                    .with_style(style.container)
413                    .boxed()
414            }
415        })
416        .with_cursor_style(CursorStyle::PointingHand)
417        .on_up(MouseButton::Left, move |event, cx| {
418            let dock_pane = workspace.read(cx.app).dock_pane();
419            let drop_index = dock_pane.read(cx.app).items_len() + 1;
420            handle_dropped_item(event, &dock_pane.downgrade(), drop_index, false, None, cx);
421        });
422
423        if dock_position.is_visible() {
424            button
425                .on_click(MouseButton::Left, |_, cx| {
426                    cx.dispatch_action(HideDock);
427                })
428                .with_tooltip::<Self, _>(
429                    0,
430                    "Hide Dock".into(),
431                    Some(Box::new(HideDock)),
432                    theme.tooltip.clone(),
433                    cx,
434                )
435        } else {
436            button
437                .on_click(MouseButton::Left, |_, cx| {
438                    cx.dispatch_action(FocusDock);
439                })
440                .with_tooltip::<Self, _>(
441                    0,
442                    "Focus Dock".into(),
443                    Some(Box::new(FocusDock)),
444                    theme.tooltip.clone(),
445                    cx,
446                )
447        }
448        .boxed()
449    }
450}
451
452impl StatusItemView for ToggleDockButton {
453    fn set_active_pane_item(
454        &mut self,
455        _active_pane_item: Option<&dyn crate::ItemHandle>,
456        _cx: &mut ViewContext<Self>,
457    ) {
458        //Not applicable
459    }
460}
461
462#[cfg(test)]
463mod tests {
464    use std::ops::{Deref, DerefMut};
465
466    use gpui::{AppContext, TestAppContext, UpdateView, ViewContext};
467    use project::{FakeFs, Project};
468    use settings::Settings;
469
470    use super::*;
471    use crate::{item::test::TestItem, sidebar::Sidebar, ItemHandle, Workspace};
472
473    pub fn default_item_factory(
474        _workspace: &mut Workspace,
475        cx: &mut ViewContext<Workspace>,
476    ) -> Box<dyn ItemHandle> {
477        Box::new(cx.add_view(|_| TestItem::new()))
478    }
479
480    #[gpui::test]
481    async fn test_dock_hides_when_pane_empty(cx: &mut TestAppContext) {
482        let mut cx = DockTestContext::new(cx).await;
483
484        // Closing the last item in the dock hides the dock
485        cx.move_dock(DockAnchor::Right);
486        let old_items = cx.dock_items();
487        assert!(!old_items.is_empty());
488        cx.close_dock_items().await;
489        cx.assert_dock_position(DockPosition::Hidden(DockAnchor::Right));
490
491        // Reopening the dock adds a new item
492        cx.move_dock(DockAnchor::Right);
493        let new_items = cx.dock_items();
494        assert!(!new_items.is_empty());
495        assert!(new_items
496            .into_iter()
497            .all(|new_item| !old_items.contains(&new_item)));
498    }
499
500    #[gpui::test]
501    async fn test_dock_panel_collisions(cx: &mut TestAppContext) {
502        let mut cx = DockTestContext::new(cx).await;
503
504        // Dock closes when expanded for either panel
505        cx.move_dock(DockAnchor::Expanded);
506        cx.open_sidebar(SidebarSide::Left);
507        cx.assert_dock_position(DockPosition::Hidden(DockAnchor::Expanded));
508        cx.close_sidebar(SidebarSide::Left);
509        cx.move_dock(DockAnchor::Expanded);
510        cx.open_sidebar(SidebarSide::Right);
511        cx.assert_dock_position(DockPosition::Hidden(DockAnchor::Expanded));
512
513        // Dock closes in the right position if the right sidebar is opened
514        cx.move_dock(DockAnchor::Right);
515        cx.open_sidebar(SidebarSide::Left);
516        cx.assert_dock_position(DockPosition::Shown(DockAnchor::Right));
517        cx.open_sidebar(SidebarSide::Right);
518        cx.assert_dock_position(DockPosition::Hidden(DockAnchor::Right));
519        cx.close_sidebar(SidebarSide::Right);
520
521        // Dock in bottom position ignores sidebars
522        cx.move_dock(DockAnchor::Bottom);
523        cx.open_sidebar(SidebarSide::Left);
524        cx.open_sidebar(SidebarSide::Right);
525        cx.assert_dock_position(DockPosition::Shown(DockAnchor::Bottom));
526
527        // Opening the dock in the right position closes the right sidebar
528        cx.move_dock(DockAnchor::Right);
529        cx.assert_sidebar_closed(SidebarSide::Right);
530    }
531
532    #[gpui::test]
533    async fn test_focusing_panes_shows_and_hides_dock(cx: &mut TestAppContext) {
534        let mut cx = DockTestContext::new(cx).await;
535
536        // Focusing an item not in the dock when expanded hides the dock
537        let center_item = cx.add_item_to_center_pane();
538        cx.move_dock(DockAnchor::Expanded);
539        let dock_item = cx
540            .dock_items()
541            .get(0)
542            .cloned()
543            .expect("Dock should have an item at this point");
544        center_item.update(&mut cx, |_, cx| cx.focus_self());
545        cx.assert_dock_position(DockPosition::Hidden(DockAnchor::Expanded));
546
547        // Focusing an item not in the dock when not expanded, leaves the dock open but inactive
548        cx.move_dock(DockAnchor::Right);
549        center_item.update(&mut cx, |_, cx| cx.focus_self());
550        cx.assert_dock_position(DockPosition::Shown(DockAnchor::Right));
551        cx.assert_dock_pane_inactive();
552        cx.assert_workspace_pane_active();
553
554        // Focusing an item in the dock activates it's pane
555        dock_item.update(&mut cx, |_, cx| cx.focus_self());
556        cx.assert_dock_position(DockPosition::Shown(DockAnchor::Right));
557        cx.assert_dock_pane_active();
558        cx.assert_workspace_pane_inactive();
559    }
560
561    #[gpui::test]
562    async fn test_toggle_dock_focus(cx: &mut TestAppContext) {
563        let cx = DockTestContext::new(cx).await;
564
565        cx.move_dock(DockAnchor::Right);
566        cx.assert_dock_pane_active();
567        cx.hide_dock();
568        cx.move_dock(DockAnchor::Right);
569        cx.assert_dock_pane_active();
570    }
571
572    struct DockTestContext<'a> {
573        pub cx: &'a mut TestAppContext,
574        pub window_id: usize,
575        pub workspace: ViewHandle<Workspace>,
576    }
577
578    impl<'a> DockTestContext<'a> {
579        pub async fn new(cx: &'a mut TestAppContext) -> DockTestContext<'a> {
580            Settings::test_async(cx);
581            let fs = FakeFs::new(cx.background());
582
583            cx.update(|cx| init(cx));
584            let project = Project::test(fs, [], cx).await;
585            let (window_id, workspace) = cx.add_window(|cx| {
586                Workspace::new(Default::default(), 0, project, default_item_factory, cx)
587            });
588
589            workspace.update(cx, |workspace, cx| {
590                let left_panel = cx.add_view(|_| TestItem::new());
591                workspace.left_sidebar().update(cx, |sidebar, cx| {
592                    sidebar.add_item(
593                        "icons/folder_tree_16.svg",
594                        "Left Test Panel".to_string(),
595                        left_panel.clone(),
596                        cx,
597                    );
598                });
599
600                let right_panel = cx.add_view(|_| TestItem::new());
601                workspace.right_sidebar().update(cx, |sidebar, cx| {
602                    sidebar.add_item(
603                        "icons/folder_tree_16.svg",
604                        "Right Test Panel".to_string(),
605                        right_panel.clone(),
606                        cx,
607                    );
608                });
609            });
610
611            Self {
612                cx,
613                window_id,
614                workspace,
615            }
616        }
617
618        pub fn workspace<F, T>(&self, read: F) -> T
619        where
620            F: FnOnce(&Workspace, &AppContext) -> T,
621        {
622            self.workspace.read_with(self.cx, read)
623        }
624
625        pub fn update_workspace<F, T>(&mut self, update: F) -> T
626        where
627            F: FnOnce(&mut Workspace, &mut ViewContext<Workspace>) -> T,
628        {
629            self.workspace.update(self.cx, update)
630        }
631
632        pub fn sidebar<F, T>(&self, sidebar_side: SidebarSide, read: F) -> T
633        where
634            F: FnOnce(&Sidebar, &AppContext) -> T,
635        {
636            self.workspace(|workspace, cx| {
637                let sidebar = match sidebar_side {
638                    SidebarSide::Left => workspace.left_sidebar(),
639                    SidebarSide::Right => workspace.right_sidebar(),
640                }
641                .read(cx);
642
643                read(sidebar, cx)
644            })
645        }
646
647        pub fn center_pane_handle(&self) -> ViewHandle<Pane> {
648            self.workspace(|workspace, cx| {
649                workspace
650                    .last_active_center_pane
651                    .clone()
652                    .and_then(|pane| pane.upgrade(cx))
653                    .unwrap_or_else(|| workspace.center.panes()[0].clone())
654            })
655        }
656
657        pub fn add_item_to_center_pane(&mut self) -> ViewHandle<TestItem> {
658            self.update_workspace(|workspace, cx| {
659                let item = cx.add_view(|_| TestItem::new());
660                let pane = workspace
661                    .last_active_center_pane
662                    .clone()
663                    .and_then(|pane| pane.upgrade(cx))
664                    .unwrap_or_else(|| workspace.center.panes()[0].clone());
665                Pane::add_item(
666                    workspace,
667                    &pane,
668                    Box::new(item.clone()),
669                    true,
670                    true,
671                    None,
672                    cx,
673                );
674                item
675            })
676        }
677
678        pub fn dock_pane<F, T>(&self, read: F) -> T
679        where
680            F: FnOnce(&Pane, &AppContext) -> T,
681        {
682            self.workspace(|workspace, cx| {
683                let dock_pane = workspace.dock_pane().read(cx);
684                read(dock_pane, cx)
685            })
686        }
687
688        pub fn move_dock(&self, anchor: DockAnchor) {
689            self.cx.dispatch_action(self.window_id, MoveDock(anchor));
690        }
691
692        pub fn hide_dock(&self) {
693            self.cx.dispatch_action(self.window_id, HideDock);
694        }
695
696        pub fn open_sidebar(&mut self, sidebar_side: SidebarSide) {
697            if !self.sidebar(sidebar_side, |sidebar, _| sidebar.is_open()) {
698                self.update_workspace(|workspace, cx| workspace.toggle_sidebar(sidebar_side, cx));
699            }
700        }
701
702        pub fn close_sidebar(&mut self, sidebar_side: SidebarSide) {
703            if self.sidebar(sidebar_side, |sidebar, _| sidebar.is_open()) {
704                self.update_workspace(|workspace, cx| workspace.toggle_sidebar(sidebar_side, cx));
705            }
706        }
707
708        pub fn dock_items(&self) -> Vec<ViewHandle<TestItem>> {
709            self.dock_pane(|pane, cx| {
710                pane.items()
711                    .map(|item| {
712                        item.act_as::<TestItem>(cx)
713                            .expect("Dock Test Context uses TestItems in the dock")
714                    })
715                    .collect()
716            })
717        }
718
719        pub async fn close_dock_items(&mut self) {
720            self.update_workspace(|workspace, cx| {
721                Pane::close_items(workspace, workspace.dock_pane().clone(), cx, |_| true)
722            })
723            .await
724            .expect("Could not close dock items")
725        }
726
727        pub fn assert_dock_position(&self, expected_position: DockPosition) {
728            self.workspace(|workspace, _| assert_eq!(workspace.dock.position, expected_position));
729        }
730
731        pub fn assert_sidebar_closed(&self, sidebar_side: SidebarSide) {
732            assert!(!self.sidebar(sidebar_side, |sidebar, _| sidebar.is_open()));
733        }
734
735        pub fn assert_workspace_pane_active(&self) {
736            assert!(self
737                .center_pane_handle()
738                .read_with(self.cx, |pane, _| pane.is_active()));
739        }
740
741        pub fn assert_workspace_pane_inactive(&self) {
742            assert!(!self
743                .center_pane_handle()
744                .read_with(self.cx, |pane, _| pane.is_active()));
745        }
746
747        pub fn assert_dock_pane_active(&self) {
748            assert!(self.dock_pane(|pane, _| pane.is_active()))
749        }
750
751        pub fn assert_dock_pane_inactive(&self) {
752            assert!(!self.dock_pane(|pane, _| pane.is_active()))
753        }
754    }
755
756    impl<'a> Deref for DockTestContext<'a> {
757        type Target = gpui::TestAppContext;
758
759        fn deref(&self) -> &Self::Target {
760            self.cx
761        }
762    }
763
764    impl<'a> DerefMut for DockTestContext<'a> {
765        fn deref_mut(&mut self) -> &mut Self::Target {
766            &mut self.cx
767        }
768    }
769
770    impl<'a> UpdateView for DockTestContext<'a> {
771        fn update_view<T, S>(
772            &mut self,
773            handle: &ViewHandle<T>,
774            update: &mut dyn FnMut(&mut T, &mut ViewContext<T>) -> S,
775        ) -> S
776        where
777            T: View,
778        {
779            handle.update(self.cx, update)
780        }
781    }
782}