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 15 namespace extensions { 16 DocumentCustomBindings(ScriptContext * context)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. RegisterElement(const v8::FunctionCallbackInfo<v8::Value> & args)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