chore: remove trivial single-use helper functions

crates/dock/src/dock_area.rs

@@ -40,11 +40,6 @@ impl SkinShared {
     pub(crate) fn resizing_dock(&self) -> &Cell<Option<DockPlacement>> {
         &self.resizing_dock
     }
-
-    /// Redraw the area after a setting changed. The skin is not an entity, so nothing else would.
-    pub(crate) fn notify(&self, cx: &mut App) {
-        _ = self.area.update(cx, |_, cx| cx.notify());
-    }
 }
 
 /// The Signed appearance for a [`DockArea`].
@@ -74,16 +69,6 @@ impl SignedDockSkin {
     pub(crate) fn shared(&self) -> &Rc<SkinShared> {
         &self.shared
     }
-
-    /// Whether tab bars offer the affordance that collapses a neighbouring dock.
-    pub fn is_toggle_button_visible(&self) -> bool {
-        self.shared.is_toggle_button_visible()
-    }
-
-    pub fn set_toggle_button_visible(&self, visible: bool, cx: &mut App) {
-        self.shared.toggle_button_visible.set(visible);
-        self.shared.notify(cx);
-    }
 }
 
 /// Payload a dock's resize handle drags.

crates/dock/src/lib.rs

@@ -25,19 +25,6 @@ pub fn add_center_panel(
     area.add_panel_view(panel, DockPlacement::Center, None, window, cx);
 }
 
-/// Add an already-wrapped panel handle to the bottom dock of `area`.
-///
-/// Used for sub-views that hang under the center, such as the inbox's Unread
-/// and Archived lists.
-pub fn add_bottom_panel(
-    area: &mut DockArea,
-    panel: Arc<dyn PanelView>,
-    window: &mut Window,
-    cx: &mut Context<DockArea>,
-) {
-    area.add_panel_view(panel, DockPlacement::Bottom, None, window, cx);
-}
-
 /// The fixed height of the tab bar, which doubles as the window title bar.
 pub const TAB_BAR_HEIGHT: Pixels = px(44.);
 

crates/dock/src/tab_panel.rs

@@ -71,11 +71,6 @@ impl Render for DragPanelPreview {
     }
 }
 
-/// The zoom affordance for the group's displayed panel, if it offers one.
-fn zoom_control(group: &TabGroupContext, cx: &App) -> Option<PanelControl> {
-    panel_zoom_control(group.active_panel()?, cx)
-}
-
 /// The zoom affordance `panel` offers, if any.
 ///
 /// The panel must offer a control and be zoomable, base refuses a zoom otherwise.
@@ -542,7 +537,9 @@ impl SignedTabGroupSkin {
 
 impl TabGroupRenderer for SignedTabGroupSkin {
     fn frame(&self, group: &TabGroupContext, _: &mut Window, cx: &mut App) -> Stateful<Div> {
-        let control = zoom_control(group, cx);
+        let control = group
+            .active_panel()
+            .and_then(|panel| panel_zoom_control(panel, cx));
         // An emptied group draws nothing, so no bare tab bar is left behind.
         if group.panels().is_empty() {
             return div().id("tab-panel");