Focus the active center pane when hiding a dock

spec/dock-spec.js

@@ -16,6 +16,18 @@ describe('Dock', () => {
     })
   })
 
+  describe('when a dock is hidden', () => {
+    it('transfers focus back to the active center pane', () => {
+      jasmine.attachToDOM(atom.workspace.getElement())
+      const dock = atom.workspace.getLeftDock()
+      dock.activate()
+      expect(document.activeElement).toBe(dock.getActivePane().getElement())
+
+      dock.hide()
+      expect(document.activeElement).toBe(atom.workspace.getCenter().getActivePane().getElement())
+    })
+  })
+
   describe('when a pane in a dock is activated', () => {
     it('opens the dock', async () => {
       const item = {

src/dock.js

@@ -33,6 +33,7 @@ module.exports = class Dock {
     this.deserializerManager = params.deserializerManager
     this.notificationManager = params.notificationManager
     this.viewRegistry = params.viewRegistry
+    this.didHide = params.didHide
 
     this.paneContainer = new PaneContainer({
       location: this.location,
@@ -103,6 +104,7 @@ module.exports = class Dock {
 
   hide () {
     this.setState({open: false})
+    this.didHide()
   }
 
   toggle () {

src/workspace.js

@@ -36,6 +36,7 @@ module.exports = class Workspace extends Model {
     this.updateDocumentEdited = this.updateDocumentEdited.bind(this)
     this.didDestroyPaneItem = this.didDestroyPaneItem.bind(this)
     this.didChangeActivePaneItem = this.didChangeActivePaneItem.bind(this)
+    this.didHideDock = this.didHideDock.bind(this)
 
     this.packageManager = params.packageManager
     this.config = params.config
@@ -112,12 +113,17 @@ module.exports = class Workspace extends Model {
       applicationDelegate: this.applicationDelegate,
       deserializerManager: this.deserializerManager,
       notificationManager: this.notificationManager,
-      viewRegistry: this.viewRegistry
+      viewRegistry: this.viewRegistry,
+      didHide: this.didHideDock
     })
     dock.onDidDestroyPaneItem(this.didDestroyPaneItem)
     return dock
   }
 
+  didHideDock () {
+    this.getCenter().getActivePane().activate()
+  }
+
   reset (packageManager) {
     this.packageManager = packageManager
     this.emitter.dispose()