[MacViews] Implemented text context menu

ui/views/controls/views_text_services_context_menu.h

+// Copyright 2016 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 UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_
+#define UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_
+
+#include "ui/views/views_export.h"
+
+namespace ui {
+class SimpleMenuModel;
+class TextInputClient;
+}
+
+namespace views {
+
+class WordLookupClient;
+class View;
+
+// This class is used to add and handle text service items in the text context
+// menu.
+class ViewsTextServicesContextMenu {
+ public:
+  virtual ~ViewsTextServicesContextMenu() {}
+
+  // Creates a ViewsTextContextMenu object.
+  static ViewsTextServicesContextMenu* Create(ui::TextInputClient* text_client,
+                                              WordLookupClient* lookup_client,
+                                              ui::SimpleMenuModel* menu,
+                                              View* view);
+
+  // Returns true if the text context menu needs to be updated.
+  virtual bool ShouldUpdateMenu() const = 0;
+
+  // Returns true if the given |command_id| is handled by the menu.
+  virtual bool IsTextServicesCommandId(int command_id) const = 0;
+
+  // Methods associated with SimpleMenuModel::Delegate.
+  virtual void ExecuteCommand(int command_id, int event_flags) = 0;
+  virtual bool IsCommandIdChecked(int command_id) const = 0;
+  virtual bool IsCommandIdEnabled(int command_id) const = 0;
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_CONTROLS_TEXTFIELD_VIEWS_TEXT_SERVICES_CONTEXT_MENU_H_