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 "content/renderer/web_ui_runner.h"
6
7#include "content/public/common/service_registry.h"
8#include "content/public/renderer/render_frame.h"
9#include "content/renderer/mojo/service_registry_js_wrapper.h"
10#include "gin/modules/module_registry.h"
11#include "gin/per_context_data.h"
12#include "gin/public/context_holder.h"
13#include "mojo/bindings/js/core.h"
14#include "mojo/bindings/js/support.h"
15#include "third_party/WebKit/public/web/WebFrame.h"
16#include "third_party/WebKit/public/web/WebScriptSource.h"
17
18using v8::Context;
19using v8::HandleScope;
20using v8::Isolate;
21using v8::Object;
22using v8::ObjectTemplate;
23using v8::Script;
24
25namespace content {
26
27WebUIRunner::WebUIRunner(blink::WebFrame* frame,
28                         gin::ContextHolder* context_holder)
29    : frame_(frame),
30      context_holder_(context_holder) {
31  DCHECK(frame_);
32  v8::Isolate::Scope isolate_scope(context_holder->isolate());
33  HandleScope handle_scope(context_holder->isolate());
34  // Note: this installs the runner globally. If we need to support more than
35  // one runner at a time we'll have to revisit this.
36  gin::PerContextData::From(context_holder->context())->set_runner(this);
37}
38
39WebUIRunner::~WebUIRunner() {
40}
41
42void WebUIRunner::RegisterBuiltinModules() {
43  gin::ModuleRegistry* registry =
44      gin::ModuleRegistry::From(context_holder_->context());
45  registry->AddBuiltinModule(context_holder_->isolate(),
46                             mojo::js::Core::kModuleName,
47                             mojo::js::Core::GetModule(
48                                 context_holder_->isolate()));
49  registry->AddBuiltinModule(context_holder_->isolate(),
50                             mojo::js::Support::kModuleName,
51                             mojo::js::Support::GetModule(
52                                 context_holder_->isolate()));
53  registry->AddBuiltinModule(
54      context_holder_->isolate(),
55      ServiceRegistryJsWrapper::kModuleName,
56      ServiceRegistryJsWrapper::Create(
57          context_holder_->isolate(),
58          RenderFrame::FromWebFrame(frame_)->GetServiceRegistry()).ToV8());
59}
60
61void WebUIRunner::Run(const std::string& source,
62                      const std::string& resource_name) {
63  frame_->executeScript(
64      blink::WebScriptSource(blink::WebString::fromUTF8(source)));
65}
66
67v8::Handle<v8::Value> WebUIRunner::Call(v8::Handle<v8::Function> function,
68                                        v8::Handle<v8::Value> receiver,
69                                        int argc,
70                                        v8::Handle<v8::Value> argv[]) {
71  return frame_->callFunctionEvenIfScriptDisabled(function, receiver, argc,
72                                                  argv);
73}
74
75gin::ContextHolder* WebUIRunner::GetContextHolder() {
76  return context_holder_;
77}
78
79}  // namespace content
80