Share the code that builds the page menu in a common model, make Mac and Win ...

chrome/browser/page_menu_model.h

+// Copyright (c) 2009 The Chromium Authors. All rights reserved. Use of this
+// source code is governed by a BSD-style license that can be found in the
+// LICENSE file.
+
+#ifndef CHROME_BROWSER_PAGE_MENU_MODEL_H_
+#define CHROME_BROWSER_PAGE_MENU_MODEL_H_
+
+#include "app/menus/simple_menu_model.h"
+#include "base/scoped_ptr.h"
+
+class Browser;
+
+// A menu model that builds the contents of an encoding menu.
+class EncodingMenuModel : public menus::SimpleMenuModel,
+                          public menus::SimpleMenuModel::Delegate {
+ public:
+  explicit EncodingMenuModel(Browser* browser);
+  virtual ~EncodingMenuModel() {}
+
+  // Overridden from menus::SimpleMenuModel::Delegate:
+  virtual bool IsCommandIdChecked(int command_id) const;
+  virtual bool IsCommandIdEnabled(int command_id) const;
+  virtual bool GetAcceleratorForCommandId(int command_id,
+                                          menus::Accelerator* accelerator);
+  virtual void ExecuteCommand(int command_id);
+
+ private:
+  void Build();
+
+  Browser* browser_;  // weak
+
+  DISALLOW_COPY_AND_ASSIGN(EncodingMenuModel);
+};
+
+// A menu model that builds the contents of the zoom menu.
+class ZoomMenuModel : public menus::SimpleMenuModel {
+ public:
+  explicit ZoomMenuModel(menus::SimpleMenuModel::Delegate* delegate);
+  virtual ~ZoomMenuModel() {}
+
+ private:
+  void Build();
+
+  DISALLOW_COPY_AND_ASSIGN(ZoomMenuModel);
+};
+
+// A menu model that builds the contents of the dev tools menu.
+class DevToolsMenuModel : public menus::SimpleMenuModel {
+ public:
+  explicit DevToolsMenuModel(menus::SimpleMenuModel::Delegate* delegate);
+  virtual ~DevToolsMenuModel() {}
+
+ private:
+  void Build();
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsMenuModel);
+};
+
+// A menu model that builds the contents of the page menu and all of its
+// submenus.
+class PageMenuModel : public menus::SimpleMenuModel {
+ public:
+  explicit PageMenuModel(menus::SimpleMenuModel::Delegate* delegate,
+                         Browser* browser);
+  virtual ~PageMenuModel() { }
+
+ private:
+  void Build();
+
+  // The top-level model.
+  scoped_ptr<menus::SimpleMenuModel> model_;
+  // Models for submenus referenced by model_. SimpleMenuModel only uses weak
+  // references so these must be kept for the lifetime of the top-level model.
+  scoped_ptr<ZoomMenuModel> zoom_menu_model_;
+  scoped_ptr<EncodingMenuModel> encoding_menu_model_;
+  scoped_ptr<DevToolsMenuModel> devtools_menu_model_;
+  Browser* browser_;  // weak
+
+  DISALLOW_COPY_AND_ASSIGN(PageMenuModel);
+};
+
+#endif  // CHROME_BROWSER_PAGE_MENU_MODEL_H_