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| 1 // Copyright 2017 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/plural_string_handler.h" |
| 6 |
| 7 #include "base/bind.h" |
| 8 #include "base/bind_helpers.h" |
| 9 #include "base/values.h" |
| 10 #include "content/public/browser/web_ui.h" |
| 11 #include "ui/base/l10n/l10n_util.h" |
| 12 |
| 13 PluralStringHandler::PluralStringHandler() {} |
| 14 |
| 15 PluralStringHandler::~PluralStringHandler() {} |
| 16 |
| 17 void PluralStringHandler::RegisterMessages() { |
| 18 web_ui()->RegisterMessageCallback( |
| 19 "getPluralString", base::Bind(&PluralStringHandler::HandleGetPluralString, |
| 20 base::Unretained(this))); |
| 21 } |
| 22 |
| 23 void PluralStringHandler::AddLocalizedString(const std::string& name, int id) { |
| 24 name_to_id_[name] = id; |
| 25 } |
| 26 |
| 27 void PluralStringHandler::HandleGetPluralString(const base::ListValue* args) { |
| 28 AllowJavascript(); |
| 29 CHECK_EQ(3U, args->GetSize()); |
| 30 const base::Value* callback_id; |
| 31 CHECK(args->Get(0, &callback_id)); |
| 32 |
| 33 std::string message_name; |
| 34 CHECK(args->GetString(1, &message_name)); |
| 35 |
| 36 int count; |
| 37 CHECK(args->GetInteger(2, &count)); |
| 38 |
| 39 auto message_id_it = name_to_id_.find(message_name); |
| 40 CHECK(name_to_id_.end() != message_id_it); |
| 41 |
| 42 ResolveJavascriptCallback(*callback_id, |
| 43 base::Value(l10n_util::GetPluralStringFUTF8( |
| 44 message_id_it->second, count))); |
| 45 } |
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