Move font size increase/decrease to the Workspace model

spec/workspace-spec.coffee

@@ -179,3 +179,17 @@ describe "Workspace", ->
       expect(workspace.activePaneItem.getUri()).toBe 'b'
       workspace.reopenItemSync()
       expect(workspace.activePaneItem.getUri()).toBe 'file1'
+
+  describe "::increase/decreaseFontSize()", ->
+    it "increases/decreases the font size without going below 1", ->
+      atom.config.set('editor.fontSize', 1)
+      workspace.increaseFontSize()
+      expect(atom.config.get('editor.fontSize')).toBe 2
+      workspace.increaseFontSize()
+      expect(atom.config.get('editor.fontSize')).toBe 3
+      workspace.decreaseFontSize()
+      expect(atom.config.get('editor.fontSize')).toBe 2
+      workspace.decreaseFontSize()
+      expect(atom.config.get('editor.fontSize')).toBe 1
+      workspace.decreaseFontSize()
+      expect(atom.config.get('editor.fontSize')).toBe 1

spec/workspace-view-spec.coffee

@@ -168,23 +168,6 @@ describe "WorkspaceView", ->
         expect(workspaceView2.title).toBe "#{item.getTitle()} - #{atom.project.getPath()}"
         workspaceView2.remove()
 
-  describe "font size adjustment", ->
-    it "increases/decreases font size when increase/decrease-font-size events are triggered", ->
-      fontSizeBefore = atom.config.get('editor.fontSize')
-      atom.workspaceView.trigger 'window:increase-font-size'
-      expect(atom.config.get('editor.fontSize')).toBe fontSizeBefore + 1
-      atom.workspaceView.trigger 'window:increase-font-size'
-      expect(atom.config.get('editor.fontSize')).toBe fontSizeBefore + 2
-      atom.workspaceView.trigger 'window:decrease-font-size'
-      expect(atom.config.get('editor.fontSize')).toBe fontSizeBefore + 1
-      atom.workspaceView.trigger 'window:decrease-font-size'
-      expect(atom.config.get('editor.fontSize')).toBe fontSizeBefore
-
-    it "does not allow the font size to be less than 1", ->
-      atom.config.set("editor.fontSize", 1)
-      atom.workspaceView.trigger 'window:decrease-font-size'
-      expect(atom.config.get('editor.fontSize')).toBe 1
-
   describe "window:toggle-invisibles event", ->
     it "shows/hides invisibles in all open and future editors", ->
       atom.workspaceView.height(200)

src/workspace-view.coffee

@@ -44,7 +44,7 @@ class WorkspaceView extends View
   @delegatesProperty 'fullScreen', 'destroyedItemUris', toProperty: 'model'
   @delegatesMethods 'open', 'openSync', 'openSingletonSync', 'reopenItemSync',
     'saveActivePaneItem', 'saveActivePaneItemAs', 'saveAll', 'destroyActivePaneItem',
-    'destroyActivePane', toProperty: 'model'
+    'destroyActivePane', 'increaseFontSize', 'decreaseFontSize', toProperty: 'model'
 
   @version: 4
 
@@ -104,12 +104,8 @@ class WorkspaceView extends View
     @command 'application:open-your-stylesheet', -> ipc.sendChannel('command', 'application:open-your-stylesheet')
 
     @command 'window:run-package-specs', => ipc.sendChannel('run-package-specs', path.join(atom.project.getPath(), 'spec'))
-    @command 'window:increase-font-size', =>
-      atom.config.set("editor.fontSize", atom.config.get("editor.fontSize") + 1)
-
-    @command 'window:decrease-font-size', =>
-      fontSize = atom.config.get "editor.fontSize"
-      atom.config.set("editor.fontSize", fontSize - 1) if fontSize > 1
+    @command 'window:increase-font-size', => @increaseFontSize()
+    @command 'window:decrease-font-size', => @decreaseFontSize()
 
     @command 'window:focus-next-pane', => @focusNextPane()
     @command 'window:focus-previous-pane', => @focusPreviousPane()

src/workspace.coffee

@@ -138,6 +138,13 @@ class Workspace extends Model
   destroyActivePane: ->
     @activePane?.destroy()
 
+  increaseFontSize: ->
+    atom.config.set("editor.fontSize", atom.config.get("editor.fontSize") + 1)
+
+  decreaseFontSize: ->
+    fontSize = atom.config.get("editor.fontSize")
+    atom.config.set("editor.fontSize", fontSize - 1) if fontSize > 1
+
   # Private: Removes the item's uri from the list of potential items to reopen.
   itemOpened: (item) ->
     if uri = item.getUri?()