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/binding_generating_native_handler.h"
6
7#include "extensions/renderer/module_system.h"
8
9namespace extensions {
10
11BindingGeneratingNativeHandler::BindingGeneratingNativeHandler(
12    ModuleSystem* module_system,
13    const std::string& api_name,
14    const std::string& bind_to)
15    : module_system_(module_system), api_name_(api_name), bind_to_(bind_to) {}
16
17v8::Handle<v8::Object> BindingGeneratingNativeHandler::NewInstance() {
18  v8::Isolate* isolate = module_system_->GetIsolate();
19  v8::EscapableHandleScope scope(isolate);
20  v8::Handle<v8::Object> binding_module =
21      module_system_->Require("binding")->ToObject();
22  v8::Handle<v8::Object> binding =
23      binding_module->Get(v8::String::NewFromUtf8(isolate, "Binding"))
24          ->ToObject();
25  v8::Handle<v8::Function> create_binding =
26      binding->Get(v8::String::NewFromUtf8(isolate, "create"))
27          .As<v8::Function>();
28  v8::Handle<v8::Value> argv[] = {
29      v8::String::NewFromUtf8(isolate, api_name_.c_str())};
30  v8::Handle<v8::Object> binding_instance =
31      create_binding->Call(binding, arraysize(argv), argv)->ToObject();
32  v8::Handle<v8::Function> generate =
33      binding_instance->Get(v8::String::NewFromUtf8(isolate, "generate"))
34          .As<v8::Function>();
35  v8::Local<v8::Object> object = v8::Object::New(isolate);
36  v8::Handle<v8::Value> compiled_schema =
37      generate->Call(binding_instance, 0, NULL);
38  if (!compiled_schema.IsEmpty()) {
39    object->Set(v8::String::NewFromUtf8(isolate, bind_to_.c_str()),
40                compiled_schema);
41  }
42  return scope.Escape(object);
43}
44
45}  // namespace extensions
46