| // Copyright (c) 2011 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/login/language_list.h" |
| |
| #include "base/i18n/rtl.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/browser_process.h" |
| #include "ui/base/l10n/l10n_util.h" |
| |
| namespace chromeos { |
| |
| LanguageList::LanguageList() { |
| // Enumerate the languages we know about. |
| const std::vector<std::string>& locale_codes = |
| l10n_util::GetAvailableLocales(); |
| InitNativeNames(locale_codes); |
| } |
| |
| LanguageList::~LanguageList() {} |
| |
| base::string16 LanguageList::GetLanguageNameAt(int index) const { |
| DCHECK_LT(index, languages_count()); |
| LocaleDataMap::const_iterator locale_data = |
| native_names_.find(locale_names_[index]); |
| DCHECK(locale_data != native_names_.end()); |
| |
| // If the name is the same in the native language and local language, |
| // don't show it twice. |
| if (locale_data->second.native_name == locale_names_[index]) |
| return locale_data->second.native_name; |
| |
| // We must add directionality formatting to both the native name and the |
| // locale name in order to avoid text rendering problems such as misplaced |
| // parentheses or languages appearing in the wrong order. |
| base::string16 locale_name = locale_names_[index]; |
| base::i18n::AdjustStringForLocaleDirection(&locale_name); |
| |
| base::string16 native_name = locale_data->second.native_name; |
| base::i18n::AdjustStringForLocaleDirection(&native_name); |
| |
| // We used to have a localizable template here, but none of translators |
| // changed the format. We also want to switch the order of locale_name |
| // and native_name without going back to translators. |
| std::string formatted_item; |
| base::SStringPrintf(&formatted_item, "%s - %s", |
| base::UTF16ToUTF8(locale_name).c_str(), |
| base::UTF16ToUTF8(native_name).c_str()); |
| if (base::i18n::IsRTL()) |
| // Somehow combo box (even with LAYOUTRTL flag) doesn't get this |
| // right so we add RTL BDO (U+202E) to set the direction |
| // explicitly. |
| formatted_item.insert(0, "\xE2\x80\xAE"); // U+202E = UTF-8 0xE280AE |
| return base::UTF8ToUTF16(formatted_item); |
| } |
| |
| std::string LanguageList::GetLocaleFromIndex(int index) const { |
| DCHECK(static_cast<int>(locale_names_.size()) > index); |
| LocaleDataMap::const_iterator locale_data = |
| native_names_.find(locale_names_[index]); |
| DCHECK(locale_data != native_names_.end()); |
| return locale_data->second.locale_code; |
| } |
| |
| int LanguageList::GetIndexFromLocale(const std::string& locale) const { |
| for (size_t i = 0; i < locale_names_.size(); ++i) { |
| LocaleDataMap::const_iterator locale_data = |
| native_names_.find(locale_names_[i]); |
| DCHECK(locale_data != native_names_.end()); |
| if (locale_data->second.locale_code == locale) |
| return static_cast<int>(i); |
| } |
| return -1; |
| } |
| |
| void LanguageList::CopySpecifiedLanguagesUp(const std::string& locale_codes) { |
| DCHECK(!locale_names_.empty()); |
| std::vector<std::string> locale_codes_vector; |
| base::SplitString(locale_codes, ',', &locale_codes_vector); |
| for (size_t i = 0; i != locale_codes_vector.size(); ++i) { |
| const int locale_index = GetIndexFromLocale(locale_codes_vector[i]); |
| CHECK_NE(locale_index, -1); |
| locale_names_.insert(locale_names_.begin(), locale_names_[locale_index]); |
| } |
| } |
| |
| void LanguageList::InitNativeNames( |
| const std::vector<std::string>& locale_codes) { |
| const std::string app_locale = g_browser_process->GetApplicationLocale(); |
| for (size_t i = 0; i < locale_codes.size(); ++i) { |
| const char* locale_code = locale_codes[i].c_str(); |
| |
| // TODO(jungshik): Even though these strings are used for the UI, |
| // the old code does not add an RTL mark for RTL locales. Make sure |
| // that it's ok without that. |
| base::string16 name_in_current_ui = |
| l10n_util::GetDisplayNameForLocale(locale_code, app_locale, false); |
| base::string16 name_native = |
| l10n_util::GetDisplayNameForLocale(locale_code, locale_code, false); |
| |
| locale_names_.push_back(name_in_current_ui); |
| native_names_[name_in_current_ui] = |
| LocaleData(name_native, locale_codes[i]); |
| } |
| |
| // Sort using locale specific sorter. |
| l10n_util::SortStrings16(g_browser_process->GetApplicationLocale(), |
| &locale_names_); |
| } |
| |
| } // namespace chromeos |