Index: chrome/browser/ui/webui/plural_string_handler.cc |
diff --git a/chrome/browser/ui/webui/plural_string_handler.cc b/chrome/browser/ui/webui/plural_string_handler.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4693d198562ebfba36344b4dfd828c09f7220147 |
--- /dev/null |
+++ b/chrome/browser/ui/webui/plural_string_handler.cc |
@@ -0,0 +1,45 @@ |
+// Copyright 2017 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/ui/webui/plural_string_handler.h" |
+ |
+#include "base/bind.h" |
+#include "base/bind_helpers.h" |
+#include "base/values.h" |
+#include "content/public/browser/web_ui.h" |
+#include "ui/base/l10n/l10n_util.h" |
+ |
+PluralStringHandler::PluralStringHandler() {} |
+ |
+PluralStringHandler::~PluralStringHandler() {} |
+ |
+void PluralStringHandler::RegisterMessages() { |
+ web_ui()->RegisterMessageCallback( |
+ "getPluralString", base::Bind(&PluralStringHandler::HandleGetPluralString, |
+ base::Unretained(this))); |
+} |
+ |
+void PluralStringHandler::AddLocalizedString(const std::string& name, int id) { |
+ name_to_id_[name] = id; |
+} |
+ |
+void PluralStringHandler::HandleGetPluralString(const base::ListValue* args) { |
+ AllowJavascript(); |
+ CHECK_EQ(3U, args->GetSize()); |
+ const base::Value* callback_id; |
+ CHECK(args->Get(0, &callback_id)); |
+ |
+ std::string message_name; |
+ CHECK(args->GetString(1, &message_name)); |
+ |
+ int count; |
+ CHECK(args->GetInteger(2, &count)); |
+ |
+ auto message_id_it = name_to_id_.find(message_name); |
+ CHECK(name_to_id_.end() != message_id_it); |
+ |
+ ResolveJavascriptCallback(*callback_id, |
+ base::Value(l10n_util::GetPluralStringFUTF8( |
+ message_id_it->second, count))); |
+} |