keyboard_switch_menu.cc revision 21d179b334e59e9a3bfcaed4c4430bef1bc5759d 
1// Copyright (c) 2010 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#include "chrome/browser/chromeos/login/keyboard_switch_menu.h"
6
7#include "app/l10n_util.h"
8#include "base/i18n/rtl.h"
9#include "base/utf_string_conversions.h"
10#include "chrome/browser/chromeos/cros/cros_library.h"
11#include "chrome/browser/chromeos/cros/keyboard_library.h"
12#include "chrome/browser/chromeos/input_method/input_method_util.h"
13#include "grit/generated_resources.h"
14#include "views/widget/widget_gtk.h"
15
16namespace chromeos {
17
18KeyboardSwitchMenu::KeyboardSwitchMenu()
19    : InputMethodMenu(NULL /* pref_service */,
20                      false /* is_browser_mode */,
21                      false /* is_screen_locker_mode */,
22                      true /* is_out_of_box_experience_mode */) {
23}
24
25////////////////////////////////////////////////////////////////////////////////
26// InputMethodMenu::InputMethodMenuHost implementation.
27void KeyboardSwitchMenu::UpdateUI(const std::string& input_method_id,
28                                  const std::wstring& name,
29                                  const std::wstring& tooltip,
30                                  size_t num_active_input_methods) {
31  // Update all view hierarchies so that the new input method name is shown in
32  // the menu button.
33  views::Widget::NotifyLocaleChanged();
34}
35
36////////////////////////////////////////////////////////////////////////////////
37// views::ViewMenuDelegate implementation.
38void KeyboardSwitchMenu::RunMenu(views::View* source, const gfx::Point& pt) {
39  PrepareForMenuOpen();
40  gfx::Point new_pt(pt);
41  views::MenuButton* button = static_cast<views::MenuButton*>(source);
42  // Keyboard switch menu is aligned on left by default.
43  int reverse_offset = button->width() + button->menu_offset().x() * 2;
44  if (base::i18n::IsRTL()) {
45    new_pt.set_x(pt.x() + reverse_offset);
46  } else {
47    new_pt.set_x(pt.x() - reverse_offset);
48  }
49  input_method_menu().RunMenuAt(new_pt, views::Menu2::ALIGN_TOPLEFT);
50}
51
52std::wstring KeyboardSwitchMenu::GetCurrentKeyboardName() const {
53  const int count = GetItemCount();
54  for (int i = 0; i < count; ++i) {
55    if (IsItemCheckedAt(i))
56      return UTF16ToWide(GetLabelAt(i));
57  }
58  VLOG(1) << "The input method menu is not ready yet.  Show a language name "
59             "that matches the hardware keyboard layout";
60  KeyboardLibrary *library = CrosLibrary::Get()->GetKeyboardLibrary();
61  const std::string keyboard_layout_id =
62      library->GetHardwareKeyboardLayoutName();
63  const std::string language_code =
64      input_method::GetLanguageCodeFromInputMethodId(keyboard_layout_id);
65  return input_method::GetLanguageDisplayNameFromCode(language_code);
66}
67
68}  // namespace chromeos
69