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 #ifndef GIN_MODULES_MODULE_RUNNER_DELEGATE_H_ 6 #define GIN_MODULES_MODULE_RUNNER_DELEGATE_H_ 7 8 #include <map> 9 10 #include "base/callback.h" 11 #include "base/compiler_specific.h" 12 #include "gin/gin_export.h" 13 #include "gin/modules/file_module_provider.h" 14 #include "gin/shell_runner.h" 15 #include "v8/include/v8.h" 16 17 namespace gin { 18 19 typedef v8::Local<v8::Value> (*ModuleGetter)(v8::Isolate* isolate); 20 typedef base::Callback<v8::Local<v8::Value>(v8::Isolate*)> ModuleGetterCallback; 21 22 // Emebedders that use AMD modules will probably want to use a RunnerDelegate 23 // that inherits from ModuleRunnerDelegate. ModuleRunnerDelegate lets embedders 24 // register built-in modules and routes module requests to FileModuleProvider. 25 class GIN_EXPORT ModuleRunnerDelegate : public ShellRunnerDelegate { 26 public: 27 explicit ModuleRunnerDelegate( 28 const std::vector<base::FilePath>& search_paths); 29 virtual ~ModuleRunnerDelegate(); 30 31 void AddBuiltinModule(const std::string& id, ModuleGetter getter); 32 void AddBuiltinModule(const std::string& id, 33 const ModuleGetterCallback& getter); 34 35 protected: 36 void AttemptToLoadMoreModules(Runner* runner); 37 38 private: 39 typedef std::map<std::string, ModuleGetterCallback> BuiltinModuleMap; 40 41 // From ShellRunnerDelegate: 42 virtual v8::Handle<v8::ObjectTemplate> GetGlobalTemplate( 43 ShellRunner* runner, 44 v8::Isolate* isolate) OVERRIDE; 45 virtual void DidCreateContext(ShellRunner* runner) OVERRIDE; 46 virtual void DidRunScript(ShellRunner* runner) OVERRIDE; 47 48 BuiltinModuleMap builtin_modules_; 49 FileModuleProvider module_provider_; 50 51 DISALLOW_COPY_AND_ASSIGN(ModuleRunnerDelegate); 52 }; 53 54 } // namespace gin 55 56 #endif // GIN_MODULES_MODULE_RUNNER_DELEGATE_H_ 57