|  | // Copyright 2015 The Chromium Authors. All rights reserved. | 
|  | // Use of this source code is governed by a BSD-style license that can be | 
|  | // found in the LICENSE file. | 
|  |  | 
|  | #ifndef TONIC_DART_CLASS_LIBRARY_H_ | 
|  | #define TONIC_DART_CLASS_LIBRARY_H_ | 
|  |  | 
|  | #include <unordered_map> | 
|  | #include "base/macros.h" | 
|  | #include "dart/runtime/include/dart_api.h" | 
|  | #include "tonic/dart_class_provider.h" | 
|  |  | 
|  | namespace tonic { | 
|  | struct DartWrapperInfo; | 
|  |  | 
|  | class DartClassLibrary { | 
|  | public: | 
|  | explicit DartClassLibrary(); | 
|  | ~DartClassLibrary(); | 
|  |  | 
|  | void set_provider(DartClassProvider* provider) { provider_ = provider; } | 
|  | Dart_PersistentHandle GetClass(const DartWrapperInfo& info); | 
|  |  | 
|  | private: | 
|  | DartClassProvider* provider_; | 
|  | std::unordered_map<const DartWrapperInfo*, Dart_PersistentHandle> cache_; | 
|  |  | 
|  | DISALLOW_COPY_AND_ASSIGN(DartClassLibrary); | 
|  | }; | 
|  |  | 
|  | }  // namespace tonic | 
|  |  | 
|  | #endif  // TONIC_DART_CLASS_LIBRARY_H_ |