1// Copyright 2014 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 "extensions/renderer/document_custom_bindings.h" 6 7#include <string> 8 9#include "base/bind.h" 10#include "extensions/renderer/script_context.h" 11#include "third_party/WebKit/public/web/WebDocument.h" 12#include "third_party/WebKit/public/web/WebFrame.h" 13#include "v8/include/v8.h" 14 15namespace extensions { 16 17DocumentCustomBindings::DocumentCustomBindings(ScriptContext* context) 18 : ObjectBackedNativeHandler(context) { 19 RouteFunction("RegisterElement", 20 base::Bind(&DocumentCustomBindings::RegisterElement, 21 base::Unretained(this))); 22} 23 24// Attach an event name to an object. 25void DocumentCustomBindings::RegisterElement( 26 const v8::FunctionCallbackInfo<v8::Value>& args) { 27 if (args.Length() != 2 || !args[0]->IsString() || !args[1]->IsObject()) { 28 NOTREACHED(); 29 return; 30 } 31 32 std::string element_name(*v8::String::Utf8Value(args[0])); 33 v8::Local<v8::Object> options = args[1]->ToObject(); 34 35 blink::WebExceptionCode ec = 0; 36 blink::WebDocument document = context()->web_frame()->document(); 37 v8::Handle<v8::Value> constructor = document.registerEmbedderCustomElement( 38 blink::WebString::fromUTF8(element_name), options, ec); 39 args.GetReturnValue().Set(constructor); 40} 41 42} // namespace extensions 43