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      1 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_LANGUAGE_SWITCH_MENU_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_LANGUAGE_SWITCH_MENU_H_
      7 #pragma once
      8 
      9 #include <string>
     10 
     11 #include "base/memory/scoped_ptr.h"
     12 #include "chrome/browser/language_combobox_model.h"
     13 #include "testing/gtest/include/gtest/gtest_prod.h"
     14 #include "ui/base/models/simple_menu_model.h"
     15 #include "views/controls/menu/menu_2.h"
     16 #include "views/controls/menu/view_menu_delegate.h"
     17 #include "views/view.h"
     18 
     19 class WizardControllerTest_SwitchLanguage_Test;
     20 
     21 namespace chromeos {
     22 
     23 class ScreenObserver;
     24 
     25 class LanguageSwitchMenu : public views::ViewMenuDelegate,
     26                            public ui::SimpleMenuModel::Delegate {
     27  public:
     28   LanguageSwitchMenu();
     29 
     30   // Initializes language selection menu contents.
     31   void InitLanguageMenu();
     32 
     33   // Sets menu's alignment.
     34   void set_menu_alignment(views::Menu2::Alignment alignment) {
     35     menu_alignment_ = alignment;
     36   }
     37 
     38   // Returns current locale name to be placed on the language menu-button.
     39   string16 GetCurrentLocaleName() const;
     40 
     41   // Sets the minimum width of the first level menu to be shown.
     42   void SetFirstLevelMenuWidth(int width);
     43 
     44   // Switches the current locale, saves the new locale in preferences.
     45   // Returns true if it has switched the current locale.
     46   static bool SwitchLanguage(const std::string& locale);
     47 
     48   // Switches the current locale, saves the new locale in preferences.
     49   // Enables the keyboard layouts associated with the new locale.
     50   static void SwitchLanguageAndEnableKeyboardLayouts(
     51       const std::string& locale);
     52 
     53  private:
     54   static void LoadFontsForCurrentLocale();
     55 
     56   // views::ViewMenuDelegate implementation.
     57   virtual void RunMenu(views::View* source, const gfx::Point& pt);
     58 
     59   // ui::SimpleMenuModel::Delegate implementation.
     60   virtual bool IsCommandIdChecked(int command_id) const;
     61   virtual bool IsCommandIdEnabled(int command_id) const;
     62   virtual bool GetAcceleratorForCommandId(int command_id,
     63                                           ui::Accelerator* accelerator);
     64   virtual void ExecuteCommand(int command_id);
     65 
     66   // Dialog controls that we own ourselves.
     67   ui::SimpleMenuModel menu_model_;
     68   ui::SimpleMenuModel menu_model_submenu_;
     69   scoped_ptr<views::Menu2> menu_;
     70 
     71   // Language locale name storage.
     72   scoped_ptr<LanguageList> language_list_;
     73 
     74   // Menu alignment.
     75   views::Menu2::Alignment menu_alignment_;
     76 
     77   FRIEND_TEST(::WizardControllerTest, SwitchLanguage);
     78   DISALLOW_COPY_AND_ASSIGN(LanguageSwitchMenu);
     79 };
     80 
     81 }  // namespace chromeos
     82 
     83 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LANGUAGE_SWITCH_MENU_H_
     84