content/renderer/web_ui_runner.cc

   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
  18 using v8::Context;
  19 using v8::HandleScope;
  20 using v8::Isolate;
  21 using v8::Object;
  22 using v8::ObjectTemplate;
  23 using v8::Script;
  24
  25 namespace content {
  26
  27 WebUIRunner::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
  39 WebUIRunner::~WebUIRunner() {
  40 }
  41
  42 void 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
  61 void WebUIRunner::Run(const std::string& source,
  62                       const std::string& resource_name) {
  63   frame_->executeScript(
  64       blink::WebScriptSource(blink::WebString::fromUTF8(source)));
  65 }
  66
  67 v8::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
  75 gin::ContextHolder* WebUIRunner::GetContextHolder() {
  76   return context_holder_;
  77 }
  78
  79 }  // namespace content