Display the language name and the input method list dynamically.

chrome/browser/chromeos/dom_ui/language_options_handler.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/chromeos/dom_ui/language_options_handler.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/values.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/cros/input_method_library.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 
 LanguageOptionsHandler::LanguageOptionsHandler() {
 }
 
 LanguageOptionsHandler::~LanguageOptionsHandler() {
 }
 
@@ skipping 23 matching lines @@
           IDS_OPTIONS_SETTINGS_LANGUAGES_DISPLAY_IN_THIS_LANGUAGE,
           l10n_util::GetString(IDS_PRODUCT_OS_NAME)));
 
   // Build mappings of locale code (language code) to display name
   // (ex. "en-US" => "English (United States)".
   const std::vector<std::string>& locales = l10n_util::GetAvailableLocales();
   for (size_t i = 0; i < locales.size(); ++i) {
     localized_strings->SetString(UTF8ToWide(locales[i]),
         chromeos::input_method::GetLanguageDisplayNameFromCode(locales[i]));
   }
+
+  localized_strings->Set(L"inputMethodList", GetInputMethodList());
 }
+
+ListValue* LanguageOptionsHandler::GetInputMethodList() {
+  using chromeos::CrosLibrary;
+
+  ListValue* input_method_list = new ListValue();
+
+  // GetSupportedLanguages() never return NULL.
+  scoped_ptr<chromeos::InputMethodDescriptors> descriptors(
+      CrosLibrary::Get()->GetInputMethodLibrary()->GetSupportedInputMethods());
+  for (size_t i = 0; i < descriptors->size(); ++i) {
+    const chromeos::InputMethodDescriptor& descriptor = descriptors->at(i);
+    const std::string language_code =
+        chromeos::input_method::GetLanguageCodeFromDescriptor(descriptor);
+    const std::string display_name =
+        chromeos::input_method::GetInputMethodDisplayNameFromId(descriptor.id);
+
+    DictionaryValue* dictionary = new DictionaryValue();
+    dictionary->SetString(L"id", UTF8ToWide(descriptor.id));
+    dictionary->SetString(L"displayName", UTF8ToWide(display_name));
+    dictionary->SetString(L"languageCode", UTF8ToWide(language_code));
+    input_method_list->Append(dictionary);
+  }
+
+  return input_method_list;
+}