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