| // Copyright 2014 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 "extensions/renderer/i18n_custom_bindings.h" |
| |
| #include "base/bind.h" |
| #include "content/public/renderer/render_thread.h" |
| #include "content/public/renderer/render_view.h" |
| #include "extensions/common/extension_messages.h" |
| #include "extensions/common/message_bundle.h" |
| #include "extensions/renderer/script_context.h" |
| |
| namespace extensions { |
| |
| I18NCustomBindings::I18NCustomBindings(ScriptContext* context) |
| : ObjectBackedNativeHandler(context) { |
| RouteFunction( |
| "GetL10nMessage", |
| base::Bind(&I18NCustomBindings::GetL10nMessage, base::Unretained(this))); |
| RouteFunction("GetL10nUILanguage", |
| base::Bind(&I18NCustomBindings::GetL10nUILanguage, |
| base::Unretained(this))); |
| } |
| |
| void I18NCustomBindings::GetL10nMessage( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| if (args.Length() != 3 || !args[0]->IsString()) { |
| NOTREACHED() << "Bad arguments"; |
| return; |
| } |
| |
| std::string extension_id; |
| if (args[2]->IsNull() || !args[2]->IsString()) { |
| return; |
| } else { |
| extension_id = *v8::String::Utf8Value(args[2]->ToString()); |
| if (extension_id.empty()) |
| return; |
| } |
| |
| L10nMessagesMap* l10n_messages = GetL10nMessagesMap(extension_id); |
| if (!l10n_messages) { |
| // Get the current RenderView so that we can send a routed IPC message |
| // from the correct source. |
| content::RenderView* renderview = context()->GetRenderView(); |
| if (!renderview) |
| return; |
| |
| L10nMessagesMap messages; |
| // A sync call to load message catalogs for current extension. |
| renderview->Send( |
| new ExtensionHostMsg_GetMessageBundle(extension_id, &messages)); |
| |
| // Save messages we got. |
| ExtensionToL10nMessagesMap& l10n_messages_map = |
| *GetExtensionToL10nMessagesMap(); |
| l10n_messages_map[extension_id] = messages; |
| |
| l10n_messages = GetL10nMessagesMap(extension_id); |
| } |
| |
| std::string message_name = *v8::String::Utf8Value(args[0]); |
| std::string message = |
| MessageBundle::GetL10nMessage(message_name, *l10n_messages); |
| |
| v8::Isolate* isolate = args.GetIsolate(); |
| std::vector<std::string> substitutions; |
| if (args[1]->IsArray()) { |
| // chrome.i18n.getMessage("message_name", ["more", "params"]); |
| v8::Local<v8::Array> placeholders = v8::Local<v8::Array>::Cast(args[1]); |
| uint32_t count = placeholders->Length(); |
| if (count > 9) |
| return; |
| for (uint32_t i = 0; i < count; ++i) { |
| substitutions.push_back( |
| *v8::String::Utf8Value( |
| placeholders->Get(v8::Integer::New(isolate, i))->ToString())); |
| } |
| } else if (args[1]->IsString()) { |
| // chrome.i18n.getMessage("message_name", "one param"); |
| substitutions.push_back(*v8::String::Utf8Value(args[1]->ToString())); |
| } |
| |
| args.GetReturnValue().Set(v8::String::NewFromUtf8( |
| isolate, |
| ReplaceStringPlaceholders(message, substitutions, NULL).c_str())); |
| } |
| |
| void I18NCustomBindings::GetL10nUILanguage( |
| const v8::FunctionCallbackInfo<v8::Value>& args) { |
| args.GetReturnValue().Set(v8::String::NewFromUtf8( |
| args.GetIsolate(), content::RenderThread::Get()->GetLocale().c_str())); |
| } |
| |
| } // namespace extensions |