Exclude EditorViews that are mini editors from WorkspaceView::eachEditorView

Fixes #1900

spec/workspace-view-spec.coffee

@@ -2,6 +2,7 @@
 Q = require 'q'
 path = require 'path'
 temp = require 'temp'
+EditorView = require '../src/editor-view'
 PaneView = require '../src/pane-view'
 Workspace = require '../src/workspace'
 
@@ -222,6 +223,14 @@ describe "WorkspaceView", ->
       expect(count).toBe 1
       expect(callbackEditor).toBe atom.workspaceView.getActiveView()
 
+    it "does not invoke the callback for mini editors", ->
+      editorViewCreatedHandler = jasmine.createSpy('editorViewCreatedHandler')
+      atom.workspaceView.eachEditorView(editorViewCreatedHandler)
+      editorViewCreatedHandler.reset()
+      miniEditor = new EditorView(mini: true)
+      atom.workspaceView.append(miniEditor)
+      expect(editorViewCreatedHandler).not.toHaveBeenCalled()
+
     it "returns a subscription that can be disabled", ->
       count = 0
       callback = (editor) -> count++

src/workspace-view.coffee

@@ -320,15 +320,17 @@ class WorkspaceView extends View
     @panes.getPaneViews()
 
   # Public: Register a function to be called for every current and future
-  # editor view in the workspace.
+  # editor view in the workspace (only includes {EditorView}s that are pane
+  # items).
   #
   # callback - A {Function} with an {EditorView} as its only argument.
   #
   # Returns a subscription object with an `.off` method that you can call to
   # unregister the callback.
   eachEditorView: (callback) ->
-    callback(editor) for editor in @getEditorViews()
-    attachedCallback = (e, editor) -> callback(editor)
+    callback(editorView) for editorView in @getEditorViews()
+    attachedCallback = (e, editorView) ->
+      callback(editorView) unless editorView.mini
     @on('editor:attached', attachedCallback)
     off: => @off('editor:attached', attachedCallback)