RootView passes focus to a child element with a tabindex of -1 (if one exists)

spec/app/root-view-spec.coffee

@@ -16,7 +16,7 @@ describe "RootView", ->
     rootView.focus()
 
   afterEach ->
-    rootView.remove()
+    rootView.deactivate()
 
   describe "initialize(pathToOpen)", ->
     describe "when called with a pathToOpen", ->
@@ -117,10 +117,11 @@ describe "RootView", ->
           expect(document.title).toBe editor2.getPath()
 
     describe "when called with no pathToOpen", ->
-      it "opens no buffer", ->
+      it "opens an empty buffer", ->
         rootView.remove()
         rootView = new RootView
-        expect(rootView.getEditors().length).toBe 0
+        expect(rootView.getEditors().length).toBe 1
+        expect(rootView.getEditors()[0].getText()).toEqual ""
         expect(document.title).toBe 'untitled'
 
   describe ".serialize()", ->
@@ -145,11 +146,10 @@ describe "RootView", ->
       expect(console.error).toHaveBeenCalled()
 
   describe "focus", ->
-    it "can receive focus if there is no active editor, but otherwise hands off focus to the active editor", ->
+    it "hands off focus to the active editor", ->
       rootView.remove()
       rootView = new RootView(require.resolve 'fixtures')
       rootView.attachToDom()
-      expect(rootView).toMatchSelector(':focus')
 
       rootView.open() # create an editor
       expect(rootView).not.toMatchSelector(':focus')
@@ -159,6 +159,15 @@ describe "RootView", ->
       expect(rootView).not.toMatchSelector(':focus')
       expect(rootView.getActiveEditor().isFocused).toBeTruthy()
 
+    it "passes focus to element with a tabIndex of -1 if there is no active editor", ->
+      rootView.remove()
+      rootView = new RootView(require.resolve 'fixtures')
+      rootView.activateExtension require('tree-view')
+      rootView.attachToDom()
+
+      expect(rootView).not.toMatchSelector(':focus')
+      expect(rootView.find('.tree-view')).toMatchSelector(':focus')
+
   describe "panes", ->
     [pane1, newPaneContent] = []
 

spec/extensions/tree-view-spec.coffee

@@ -142,6 +142,7 @@ describe "TreeView", ->
 
       describe "when the tree view is not focused", ->
         it "shifts focus to the tree view", ->
+          rootView.open() # When we call focus below, we want an editor to become focused
           rootView.focus()
           rootView.trigger 'tree-view:toggle'
           expect(treeView).toBeVisible()
@@ -184,12 +185,14 @@ describe "TreeView", ->
 
   describe "when tree-view:unfocus is triggered on the tree view", ->
     it "surrenders focus to the root view but remains open", ->
+      rootView.open() # When we trigger 'tree-view:unfocus' below, we want an editor to become focused
       rootView.attachToDom()
       treeView.focus()
+      expect(treeView).toMatchSelector(':focus')
       treeView.trigger 'tree-view:unfocus'
       expect(treeView).toBeVisible()
       expect(treeView).not.toMatchSelector(':focus')
-      expect(rootView).toMatchSelector(':focus')
+      expect(rootView.getActiveEditor().isFocused).toBeTruthy()
 
   describe "when a directory's disclosure arrow is clicked", ->
     it "expands / collapses the associated directory", ->

src/app/root-view.coffee

@@ -62,6 +62,11 @@ class RootView extends View
         false
       else
         @setTitle(@project?.getPath())
+        if focusableChild = this.find("[tabindex=-1]")
+          focusableChild.focus()
+          false
+        else
+          true
 
     @on 'active-editor-path-change', (e, path) =>
       @project.setPath(path) unless @project.getRootDirectory()