| // Copyright 2017 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/ui/webui/plural_string_handler.h" |
| |
| #include "base/functional/bind.h" |
| #include "base/functional/callback_helpers.h" |
| #include "base/values.h" |
| #include "chrome/grit/generated_resources.h" |
| #include "content/public/browser/web_ui.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/strings/grit/ui_strings.h" |
| |
| PluralStringHandler::PluralStringHandler() {} |
| |
| PluralStringHandler::~PluralStringHandler() {} |
| |
| void PluralStringHandler::RegisterMessages() { |
| web_ui()->RegisterMessageCallback( |
| "getPluralString", |
| base::BindRepeating(&PluralStringHandler::HandleGetPluralString, |
| base::Unretained(this))); |
| |
| web_ui()->RegisterMessageCallback( |
| "getPluralStringTupleWithComma", |
| base::BindRepeating( |
| &PluralStringHandler::HandleGetPluralStringTupleWithComma, |
| base::Unretained(this))); |
| |
| web_ui()->RegisterMessageCallback( |
| "getPluralStringTupleWithPeriods", |
| base::BindRepeating( |
| &PluralStringHandler::HandleGetPluralStringTupleWithPeriods, |
| base::Unretained(this))); |
| } |
| |
| void PluralStringHandler::AddLocalizedString(const std::string& name, int id) { |
| name_to_id_[name] = id; |
| } |
| |
| void PluralStringHandler::HandleGetPluralString(const base::Value::List& args) { |
| AllowJavascript(); |
| CHECK_EQ(3U, args.size()); |
| |
| const base::Value& callback_id = args[0]; |
| std::string message_name = args[1].GetString(); |
| int count = args[2].GetInt(); |
| |
| auto string = GetPluralizedStringForMessageName(message_name, count); |
| |
| ResolveJavascriptCallback(callback_id, base::Value(string)); |
| } |
| |
| void PluralStringHandler::HandleGetPluralStringTupleWithComma( |
| const base::Value::List& args) { |
| GetPluralStringTuple(args, IDS_CONCAT_TWO_STRINGS_WITH_COMMA); |
| } |
| |
| void PluralStringHandler::HandleGetPluralStringTupleWithPeriods( |
| const base::Value::List& args) { |
| GetPluralStringTuple(args, IDS_CONCAT_TWO_STRINGS_WITH_PERIODS); |
| } |
| |
| void PluralStringHandler::GetPluralStringTuple(const base::Value::List& args, |
| int string_tuple_id) { |
| AllowJavascript(); |
| CHECK_EQ(5U, args.size()); |
| |
| const base::Value& callback_id = args[0]; |
| std::string message_name1 = args[1].GetString(); |
| int count1 = args[2].GetInt(); |
| std::string message_name2 = args[3].GetString(); |
| int count2 = args[4].GetInt(); |
| |
| auto string1 = GetPluralizedStringForMessageName(message_name1, count1); |
| auto string2 = GetPluralizedStringForMessageName(message_name2, count2); |
| |
| ResolveJavascriptCallback( |
| callback_id, base::Value(l10n_util::GetStringFUTF8(string_tuple_id, |
| string1, string2))); |
| } |
| |
| std::u16string PluralStringHandler::GetPluralizedStringForMessageName( |
| std::string message_name, |
| int count) { |
| auto message_id_it = name_to_id_.find(message_name); |
| CHECK(name_to_id_.end() != message_id_it); |
| return l10n_util::GetPluralStringFUTF16(message_id_it->second, count); |
| } |