| // Copyright 2015 The Fuchsia 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 LIB_TONIC_DART_STATE_H_ |
| #define LIB_TONIC_DART_STATE_H_ |
| |
| #include <memory> |
| |
| #include "dart/runtime/include/dart_api.h" |
| #include "lib/ftl/logging.h" |
| #include "lib/ftl/memory/weak_ptr.h" |
| #include "lib/tonic/dart_persistent_value.h" |
| #include "lib/tonic/scopes/dart_api_scope.h" |
| #include "lib/tonic/scopes/dart_isolate_scope.h" |
| |
| namespace tonic { |
| class DartClassLibrary; |
| class DartMessageHandler; |
| class FileLoader; |
| |
| // DartState represents the state associated with a given Dart isolate. The |
| // lifetime of this object is controlled by the DartVM. If you want to hold a |
| // reference to a DartState instance, please hold a ftl::WeakPtr<DartState>. |
| // |
| // DartState is analogous to gin::PerIsolateData and JSC::ExecState. |
| class DartState { |
| public: |
| class Scope { |
| public: |
| Scope(DartState* dart_state); |
| ~Scope(); |
| |
| private: |
| DartIsolateScope scope_; |
| DartApiScope api_scope_; |
| }; |
| |
| DartState(); |
| virtual ~DartState(); |
| |
| static DartState* From(Dart_Isolate isolate); |
| static DartState* Current(); |
| |
| ftl::WeakPtr<DartState> GetWeakPtr(); |
| |
| Dart_Isolate isolate() { return isolate_; } |
| void SetIsolate(Dart_Isolate isolate); |
| |
| DartClassLibrary& class_library() { return *class_library_; } |
| DartMessageHandler& message_handler() { return *message_handler_; } |
| FileLoader& file_loader() { return *file_loader_; } |
| |
| virtual void DidSetIsolate(); |
| |
| static Dart_Handle HandleLibraryTag(Dart_LibraryTag tag, |
| Dart_Handle library, |
| Dart_Handle url); |
| |
| private: |
| Dart_Isolate isolate_; |
| std::unique_ptr<DartClassLibrary> class_library_; |
| std::unique_ptr<DartMessageHandler> message_handler_; |
| std::unique_ptr<FileLoader> file_loader_; |
| |
| protected: |
| ftl::WeakPtrFactory<DartState> weak_factory_; |
| |
| FTL_DISALLOW_COPY_AND_ASSIGN(DartState); |
| }; |
| |
| } // namespace tonic |
| |
| #endif // LIB_TONIC_DART_STATE_H_ |