1 // Copyright (c) 2012 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 "chrome/renderer/extensions/binding_generating_native_handler.h"
6
7 #include "chrome/renderer/extensions/module_system.h"
8
9 namespace extensions {
10
BindingGeneratingNativeHandler(ModuleSystem * module_system,const std::string & api_name,const std::string & bind_to)11 BindingGeneratingNativeHandler::BindingGeneratingNativeHandler(
12 ModuleSystem* module_system,
13 const std::string& api_name,
14 const std::string& bind_to)
15 : module_system_(module_system),
16 api_name_(api_name),
17 bind_to_(bind_to) {
18 }
19
NewInstance()20 v8::Handle<v8::Object> BindingGeneratingNativeHandler::NewInstance() {
21 v8::Isolate* isolate = module_system_->GetIsolate();
22 v8::EscapableHandleScope scope(isolate);
23 v8::Handle<v8::Object> binding_module =
24 module_system_->Require("binding")->ToObject();
25 v8::Handle<v8::Object> binding = binding_module
26 ->Get(v8::String::NewFromUtf8(isolate, "Binding"))->ToObject();
27 v8::Handle<v8::Function> create_binding = binding
28 ->Get(v8::String::NewFromUtf8(isolate, "create")).As<v8::Function>();
29 v8::Handle<v8::Value> argv[] = {v8::String::NewFromUtf8(isolate,
30 api_name_.c_str())};
31 v8::Handle<v8::Object> binding_instance =
32 create_binding->Call(binding, arraysize(argv), argv)->ToObject();
33 v8::Handle<v8::Function> generate = binding_instance
34 ->Get(v8::String::NewFromUtf8(isolate, "generate")).As<v8::Function>();
35 v8::Local<v8::Object> object = v8::Object::New();
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