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// 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() = default;
PluralStringHandler::~PluralStringHandler() = default;
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];
const 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];
const std::string& message_name1 = args[1].GetString();
int count1 = args[2].GetInt();
const 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);
}
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