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 "components/user_manager/user_manager.h"
  26 #include "components/user_manager/user_type.h"
  27 #include "content/public/browser/navigation_controller.h"
  28 #include "content/public/browser/user_metrics.h"
  29 #include "content/public/browser/web_contents.h"
  30 #include "extensions/browser/extension_registry.h"
  31 #include "extensions/common/extension.h"
  32 #include "extensions/common/manifest_url_handlers.h"
  33 #include "ui/base/ime/chromeos/component_extension_ime_manager.h"
  34 #include "ui/base/ime/chromeos/extension_ime_util.h"
  35 #include "ui/base/ime/chromeos/input_method_manager.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   input_method::InputMethodUtil* util =
 164       input_method::InputMethodManager::Get()->GetInputMethodUtil();
 165   scoped_ptr<base::ListValue> ime_ids_list(new base::ListValue());
 166   for (size_t i = 0; i < descriptors.size(); ++i) {
 167     const input_method::InputMethodDescriptor& descriptor = descriptors[i];
 168     scoped_ptr<base::DictionaryValue> dictionary(new base::DictionaryValue());
 169     dictionary->SetString("id", descriptor.id());
 170     dictionary->SetString(
 171         "displayName", util->GetLocalizedDisplayName(descriptor));
 172     dictionary->SetString("optionsPage", descriptor.options_page_url().spec());
 173     scoped_ptr<base::DictionaryValue> language_codes(
 174         new base::DictionaryValue());
 175     for (size_t i = 0; i < descriptor.language_codes().size(); ++i)
 176       language_codes->SetBoolean(descriptor.language_codes().at(i), true);
 177     dictionary->Set("languageCodeSet", language_codes.release());
 178     ime_ids_list->Append(dictionary.release());
 179   }
 180   return ime_ids_list.release();
 181 }
 182
 183 base::string16 CrosLanguageOptionsHandler::GetProductName() {
 184   return l10n_util::GetStringUTF16(IDS_SHORT_PRODUCT_OS_NAME);
 185 }
 186
 187 void CrosLanguageOptionsHandler::SetApplicationLocale(
 188     const std::string& language_code) {
 189   Profile* profile = Profile::FromWebUI(web_ui());
 190   user_manager::UserManager* user_manager = user_manager::UserManager::Get();
 191
 192   // Secondary users and public session users cannot change the locale.
 193   const user_manager::User* user =
 194       ProfileHelper::Get()->GetUserByProfile(profile);
 195   if (user &&
 196       user->email() == user_manager->GetPrimaryUser()->email() &&
 197       user->GetType() != user_manager::USER_TYPE_PUBLIC_ACCOUNT) {
 198     profile->ChangeAppLocale(language_code,
 199                              Profile::APP_LOCALE_CHANGED_VIA_SETTINGS);
 200   }
 201 }
 202
 203 void CrosLanguageOptionsHandler::RestartCallback(const base::ListValue* args) {
 204   content::RecordAction(UserMetricsAction("LanguageOptions_SignOut"));
 205   chrome::AttemptUserExit();
 206 }
 207
 208 void CrosLanguageOptionsHandler::InputMethodDisableCallback(
 209     const base::ListValue* args) {
 210   const std::string input_method_id =
 211       base::UTF16ToASCII(ExtractStringValue(args));
 212   const std::string action = base::StringPrintf(
 213       "LanguageOptions_DisableInputMethod_%s", input_method_id.c_str());
 214   content::RecordComputedAction(action);
 215 }
 216
 217 void CrosLanguageOptionsHandler::InputMethodEnableCallback(
 218     const base::ListValue* args) {
 219   const std::string input_method_id =
 220       base::UTF16ToASCII(ExtractStringValue(args));
 221   const std::string action = base::StringPrintf(
 222       "LanguageOptions_EnableInputMethod_%s", input_method_id.c_str());
 223   content::RecordComputedAction(action);
 224 }
 225
 226 void CrosLanguageOptionsHandler::InputMethodOptionsOpenCallback(
 227     const base::ListValue* args) {
 228   const std::string input_method_id =
 229       base::UTF16ToASCII(ExtractStringValue(args));
 230   const std::string extension_id =
 231       extension_ime_util::GetExtensionIDFromInputMethodID(input_method_id);
 232   if (extension_id.empty())
 233     return;
 234
 235   const input_method::InputMethodDescriptor* ime =
 236       input_method::InputMethodManager::Get()
 237           ->GetActiveIMEState()
 238           ->GetInputMethodFromId(input_method_id);
 239   if (!ime)
 240     return;
 241
 242   Browser* browser = chrome::FindBrowserWithWebContents(
 243       web_ui()->GetWebContents());
 244   content::OpenURLParams params(ime->options_page_url(),
 245       content::Referrer(),
 246       SINGLETON_TAB,
 247       ui::PAGE_TRANSITION_LINK,
 248       false);
 249   browser->OpenURL(params);
 250 }
 251
 252 void CrosLanguageOptionsHandler::AddImeProvider(base::ListValue* list) {
 253   Profile* profile = Profile::FromWebUI(web_ui());
 254   const extensions::ExtensionSet& enabled_extensions =
 255       extensions::ExtensionRegistry::Get(profile)->enabled_extensions();
 256   for (size_t i = 0; i < list->GetSize(); ++i) {
 257     base::DictionaryValue* entry;
 258     list->GetDictionary(i, &entry);
 259
 260     std::string input_method_id;
 261     entry->GetString("id", &input_method_id);
 262
 263     std::string extension_id =
 264         extension_ime_util::GetExtensionIDFromInputMethodID(input_method_id);
 265     const extensions::Extension* extension =
 266         enabled_extensions.GetByID(extension_id);
 267     if (extension)
 268       entry->SetString("extensionName", extension->name());
 269   }
 270 }
 271
 272 }  // namespace options
 273 }  // namespace chromeos