gin/modules/module_runner_delegate.cc

   1 // Copyright 2013 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 "gin/modules/module_runner_delegate.h"
   6
   7 #include "base/bind.h"
   8 #include "base/bind_helpers.h"
   9 #include "gin/modules/module_registry.h"
  10 #include "gin/object_template_builder.h"
  11 #include "gin/public/context_holder.h"
  12
  13 namespace gin {
  14
  15 ModuleRunnerDelegate::ModuleRunnerDelegate(
  16   const std::vector<base::FilePath>& search_paths)
  17     : module_provider_(search_paths) {
  18 }
  19
  20 ModuleRunnerDelegate::~ModuleRunnerDelegate() {
  21 }
  22
  23 void ModuleRunnerDelegate::AddBuiltinModule(const std::string& id,
  24                                             ModuleGetter getter) {
  25   builtin_modules_[id] = base::Bind(getter);
  26 }
  27
  28 void ModuleRunnerDelegate::AddBuiltinModule(const std::string& id,
  29     const ModuleGetterCallback& getter) {
  30   builtin_modules_[id] = getter;
  31 }
  32
  33 void ModuleRunnerDelegate::AttemptToLoadMoreModules(Runner* runner) {
  34   ModuleRegistry* registry = ModuleRegistry::From(
  35       runner->GetContextHolder()->context());
  36   registry->AttemptToLoadMoreModules(runner->GetContextHolder()->isolate());
  37   module_provider_.AttempToLoadModules(
  38       runner, registry->unsatisfied_dependencies());
  39 }
  40
  41 v8::Local<v8::ObjectTemplate> ModuleRunnerDelegate::GetGlobalTemplate(
  42     ShellRunner* runner,
  43     v8::Isolate* isolate) {
  44   v8::Local<v8::ObjectTemplate> templ = ObjectTemplateBuilder(isolate).Build();
  45   ModuleRegistry::RegisterGlobals(isolate, templ);
  46   return templ;
  47 }
  48
  49 void ModuleRunnerDelegate::DidCreateContext(ShellRunner* runner) {
  50   ShellRunnerDelegate::DidCreateContext(runner);
  51
  52   v8::Local<v8::Context> context = runner->GetContextHolder()->context();
  53   ModuleRegistry* registry = ModuleRegistry::From(context);
  54
  55   v8::Isolate* isolate = runner->GetContextHolder()->isolate();
  56
  57   for (BuiltinModuleMap::const_iterator it = builtin_modules_.begin();
  58        it != builtin_modules_.end(); ++it) {
  59     registry->AddBuiltinModule(isolate, it->first, it->second.Run(isolate));
  60   }
  61 }
  62
  63 void ModuleRunnerDelegate::DidRunScript(ShellRunner* runner) {
  64   AttemptToLoadMoreModules(runner);
  65 }
  66
  67 }  // namespace gin