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