src/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.cc

   1 // Copyright (c) 2012 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/ui/webui/options/chromeos/cros_language_options_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "base/strings/stringprintf.h"
  10 #include "base/strings/utf_string_conversions.h"
  11 #include "base/values.h"
  12 #include "chrome/app/chrome_command_ids.h"
  13 #include "chrome/browser/chromeos/input_method/input_method_util.h"
  14 #include "chrome/browser/chromeos/profiles/profile_helper.h"
  15 #include "chrome/browser/extensions/extension_tab_util.h"
  16 #include "chrome/browser/lifetime/application_lifetime.h"
  17 #include "chrome/browser/profiles/profile.h"
  18 #include "chrome/browser/ui/browser.h"
  19 #include "chrome/browser/ui/browser_finder.h"
  20 #include "chrome/browser/ui/browser_window.h"
  21 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  22 #include "chrome/browser/ui/webui/chromeos/login/l10n_util.h"
  23 #include "chrome/grit/chromium_strings.h"
  24 #include "chrome/grit/generated_resources.h"
  25 #include "chromeos/ime/component_extension_ime_manager.h"
  26 #include "chromeos/ime/extension_ime_util.h"
  27 #include "chromeos/ime/input_method_manager.h"
  28 #include "components/user_manager/user_manager.h"
  29 #include "components/user_manager/user_type.h"
  30 #include "content/public/browser/navigation_controller.h"
  31 #include "content/public/browser/user_metrics.h"
  32 #include "content/public/browser/web_contents.h"
  33 #include "extensions/browser/extension_registry.h"
  34 #include "extensions/common/extension.h"
  35 #include "extensions/common/manifest_url_handlers.h"
  36 #include "ui/base/l10n/l10n_util.h"
  37
  38 using base::UserMetricsAction;
  39
  40 namespace chromeos {
  41 namespace options {
  42
  43 CrosLanguageOptionsHandler::CrosLanguageOptionsHandler() {
  44 }
  45
  46 CrosLanguageOptionsHandler::~CrosLanguageOptionsHandler() {
  47 }
  48
  49 void CrosLanguageOptionsHandler::GetLocalizedValues(
  50     base::DictionaryValue* localized_strings) {
  51   ::options::LanguageOptionsHandlerCommon::GetLocalizedValues(
  52       localized_strings);
  53
  54   RegisterTitle(localized_strings, "languagePage",
  55                 IDS_OPTIONS_SETTINGS_LANGUAGES_AND_INPUT_DIALOG_TITLE);
  56   localized_strings->SetString("okButton", l10n_util::GetStringUTF16(IDS_OK));
  57   localized_strings->SetString("configure",
  58       l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_LANGUAGES_CONFIGURE));
  59   localized_strings->SetString("inputMethod",
  60       l10n_util::GetStringUTF16(IDS_OPTIONS_SETTINGS_LANGUAGES_INPUT_METHOD));
  61   localized_strings->SetString("pleaseAddAnotherInputMethod",
  62       l10n_util::GetStringUTF16(
  63           IDS_OPTIONS_SETTINGS_LANGUAGES_PLEASE_ADD_ANOTHER_INPUT_METHOD));
  64   localized_strings->SetString("inputMethodInstructions",
  65       l10n_util::GetStringUTF16(
  66           IDS_OPTIONS_SETTINGS_LANGUAGES_INPUT_METHOD_INSTRUCTIONS));
  67   localized_strings->SetString("switchInputMethodsHint",
  68       l10n_util::GetStringUTF16(
  69           IDS_OPTIONS_SETTINGS_LANGUAGES_SWITCH_INPUT_METHODS_HINT));
  70   localized_strings->SetString("selectPreviousInputMethodHint",
  71       l10n_util::GetStringUTF16(
  72           IDS_OPTIONS_SETTINGS_LANGUAGES_SELECT_PREVIOUS_INPUT_METHOD_HINT));
  73   localized_strings->SetString("restartButton",
  74       l10n_util::GetStringUTF16(
  75           IDS_OPTIONS_SETTINGS_LANGUAGES_SIGN_OUT_BUTTON));
  76   localized_strings->SetString("extensionImeLable",
  77       l10n_util::GetStringUTF16(
  78           IDS_OPTIONS_SETTINGS_LANGUAGES_INPUT_METHOD_EXTENSION_IME));
  79   localized_strings->SetString("extensionImeDescription",
  80       l10n_util::GetStringUTF16(
  81           IDS_OPTIONS_SETTINGS_LANGUAGES_INPUT_METHOD_EXTENSION_DESCRIPTION));
  82   localized_strings->SetString("noInputMethods",
  83       l10n_util::GetStringUTF16(
  84           IDS_OPTIONS_SETTINGS_LANGUAGES_NO_INPUT_METHODS));
  85
  86   // GetSupportedInputMethods() never returns NULL.
  87   localized_strings->Set("languageList", GetAcceptLanguageList().release());
  88   localized_strings->Set("inputMethodList", GetInputMethodList());
  89
  90   input_method::InputMethodManager* manager =
  91       input_method::InputMethodManager::Get();
  92   input_method::InputMethodDescriptors ext_ime_descriptors;
  93   manager->GetActiveIMEState()->GetInputMethodExtensions(&ext_ime_descriptors);
  94
  95   base::ListValue* ext_ime_list = ConvertInputMethodDescriptorsToIMEList(
  96       ext_ime_descriptors);
  97   AddImeProvider(ext_ime_list);
  98   localized_strings->Set("extensionImeList", ext_ime_list);
  99
 100   ComponentExtensionIMEManager* component_extension_manager =
 101       input_method::InputMethodManager::Get()
 102           ->GetComponentExtensionIMEManager();
 103   localized_strings->Set(
 104       "componentExtensionImeList",
 105       ConvertInputMethodDescriptorsToIMEList(
 106           component_extension_manager->GetAllIMEAsInputMethodDescriptor()));
 107 }
 108
 109 void CrosLanguageOptionsHandler::RegisterMessages() {
 110   ::options::LanguageOptionsHandlerCommon::RegisterMessages();
 111
 112   web_ui()->RegisterMessageCallback("inputMethodDisable",
 113       base::Bind(&CrosLanguageOptionsHandler::InputMethodDisableCallback,
 114                  base::Unretained(this)));
 115   web_ui()->RegisterMessageCallback("inputMethodEnable",
 116       base::Bind(&CrosLanguageOptionsHandler::InputMethodEnableCallback,
 117                  base::Unretained(this)));
 118   web_ui()->RegisterMessageCallback("inputMethodOptionsOpen",
 119       base::Bind(&CrosLanguageOptionsHandler::InputMethodOptionsOpenCallback,
 120                  base::Unretained(this)));
 121   web_ui()->RegisterMessageCallback("uiLanguageRestart",
 122       base::Bind(&CrosLanguageOptionsHandler::RestartCallback,
 123                  base::Unretained(this)));
 124 }
 125
 126 // static
 127 base::ListValue* CrosLanguageOptionsHandler::GetInputMethodList() {
 128   input_method::InputMethodManager* manager =
 129       input_method::InputMethodManager::Get();
 130   // GetSupportedInputMethods() never return NULL.
 131   scoped_ptr<input_method::InputMethodDescriptors> descriptors(
 132       manager->GetSupportedInputMethods());
 133
 134   base::ListValue* input_method_list = new base::ListValue();
 135
 136   for (size_t i = 0; i < descriptors->size(); ++i) {
 137     const input_method::InputMethodDescriptor& descriptor =
 138         (*descriptors)[i];
 139     const std::string display_name =
 140         manager->GetInputMethodUtil()->GetInputMethodDisplayNameFromId(
 141             descriptor.id());
 142     base::DictionaryValue* dictionary = new base::DictionaryValue();
 143     dictionary->SetString("id", descriptor.id());
 144     dictionary->SetString("displayName", display_name);
 145
 146     // One input method can be associated with multiple languages, hence
 147     // we use a dictionary here.
 148     base::DictionaryValue* languages = new base::DictionaryValue();
 149     for (size_t i = 0; i < descriptor.language_codes().size(); ++i) {
 150       languages->SetBoolean(descriptor.language_codes().at(i), true);
 151     }
 152     dictionary->Set("languageCodeSet", languages);
 153
 154     input_method_list->Append(dictionary);
 155   }
 156
 157   return input_method_list;
 158 }
 159
 160 base::ListValue*
 161     CrosLanguageOptionsHandler::ConvertInputMethodDescriptorsToIMEList(
 162         const input_method::InputMethodDescriptors& descriptors) {
 163   scoped_ptr<base::ListValue> ime_ids_list(new base::ListValue());
 164   for (size_t i = 0; i < descriptors.size(); ++i) {
 165     const input_method::InputMethodDescriptor& descriptor = descriptors[i];
 166     scoped_ptr<base::DictionaryValue> dictionary(new base::DictionaryValue());
 167     dictionary->SetString("id", descriptor.id());
 168     dictionary->SetString("displayName", descriptor.name());
 169     dictionary->SetString("optionsPage", descriptor.options_page_url().spec());
 170     scoped_ptr<base::DictionaryValue> language_codes(
 171         new base::DictionaryValue());
 172     for (size_t i = 0; i < descriptor.language_codes().size(); ++i)
 173       language_codes->SetBoolean(descriptor.language_codes().at(i), true);
 174     dictionary->Set("languageCodeSet", language_codes.release());
 175     ime_ids_list->Append(dictionary.release());
 176   }
 177   return ime_ids_list.release();
 178 }
 179
 180 base::string16 CrosLanguageOptionsHandler::GetProductName() {
 181   return l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME);
 182 }
 183
 184 void CrosLanguageOptionsHandler::SetApplicationLocale(
 185     const std::string& language_code) {
 186   Profile* profile = Profile::FromWebUI(web_ui());
 187   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 188
 189   // Secondary users and public session users cannot change the locale.
 190   user_manager::User* user = ProfileHelper::Get()->GetUserByProfile(profile);
 191   if (user &&
 192       user->email() == user_manager->GetPrimaryUser()->email() &&
 193       user->GetType() != user_manager::USER_TYPE_PUBLIC_ACCOUNT) {
 194     profile->ChangeAppLocale(language_code,
 195                              Profile::APP_LOCALE_CHANGED_VIA_SETTINGS);
 196   }
 197 }
 198
 199 void CrosLanguageOptionsHandler::RestartCallback(const base::ListValue* args) {
 200   content::RecordAction(UserMetricsAction("LanguageOptions_SignOut"));
 201   chrome::AttemptUserExit();
 202 }
 203
 204 void CrosLanguageOptionsHandler::InputMethodDisableCallback(
 205     const base::ListValue* args) {
 206   const std::string input_method_id =
 207       base::UTF16ToASCII(ExtractStringValue(args));
 208   const std::string action = base::StringPrintf(
 209       "LanguageOptions_DisableInputMethod_%s", input_method_id.c_str());
 210   content::RecordComputedAction(action);
 211 }
 212
 213 void CrosLanguageOptionsHandler::InputMethodEnableCallback(
 214     const base::ListValue* args) {
 215   const std::string input_method_id =
 216       base::UTF16ToASCII(ExtractStringValue(args));
 217   const std::string action = base::StringPrintf(
 218       "LanguageOptions_EnableInputMethod_%s", input_method_id.c_str());
 219   content::RecordComputedAction(action);
 220 }
 221
 222 void CrosLanguageOptionsHandler::InputMethodOptionsOpenCallback(
 223     const base::ListValue* args) {
 224   const std::string input_method_id =
 225       base::UTF16ToASCII(ExtractStringValue(args));
 226   const std::string extension_id =
 227       extension_ime_util::GetExtensionIDFromInputMethodID(input_method_id);
 228   if (extension_id.empty())
 229     return;
 230
 231   const input_method::InputMethodDescriptor* ime =
 232       input_method::InputMethodManager::Get()
 233           ->GetActiveIMEState()
 234           ->GetInputMethodFromId(input_method_id);
 235   if (!ime)
 236     return;
 237
 238   Browser* browser = chrome::FindBrowserWithWebContents(
 239       web_ui()->GetWebContents());
 240   content::OpenURLParams params(ime->options_page_url(),
 241       content::Referrer(),
 242       SINGLETON_TAB,
 243       ui::PAGE_TRANSITION_LINK,
 244       false);
 245   browser->OpenURL(params);
 246 }
 247
 248 void CrosLanguageOptionsHandler::AddImeProvider(base::ListValue* list) {
 249   Profile* profile = Profile::FromWebUI(web_ui());
 250   const extensions::ExtensionSet& enabled_extensions =
 251       extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
 252   for (size_t i = 0; i < list->GetSize(); ++i) {
 253     base::DictionaryValue* entry;
 254     list->GetDictionary(i, &entry);
 255
 256     std::string input_method_id;
 257     entry->GetString("id", &input_method_id);
 258
 259     std::string extension_id =
 260         extension_ime_util::GetExtensionIDFromInputMethodID(input_method_id);
 261     const extensions::Extension* extension =
 262         enabled_extensions.GetByID(extension_id);
 263     if (extension)
 264       entry->SetString("extensionName", extension->name());
 265   }
 266 }
 267
 268 }  // namespace options
 269 }  // namespace chromeos