|  | // 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 FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_ | 
|  | #define FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_ | 
|  |  | 
|  | #include <memory> | 
|  | #include <vector> | 
|  |  | 
|  | #include "dart/runtime/include/dart_api.h" | 
|  | #include "flutter/flow/layers/layer_tree.h" | 
|  | #include "flutter/lib/ui/semantics/semantics_node.h" | 
|  | #include "flutter/lib/ui/window/platform_message.h" | 
|  |  | 
|  | namespace blink { | 
|  |  | 
|  | class RuntimeDelegate { | 
|  | public: | 
|  | virtual std::string DefaultRouteName() = 0; | 
|  | virtual void ScheduleFrame() = 0; | 
|  | virtual void Render(std::unique_ptr<flow::LayerTree> layer_tree) = 0; | 
|  | virtual void UpdateSemantics(std::vector<SemanticsNode> update) = 0; | 
|  | virtual void HandlePlatformMessage(fxl::RefPtr<PlatformMessage> message) = 0; | 
|  |  | 
|  | virtual void DidCreateMainIsolate(Dart_Isolate isolate); | 
|  | virtual void DidCreateSecondaryIsolate(Dart_Isolate isolate); | 
|  |  | 
|  | protected: | 
|  | virtual ~RuntimeDelegate(); | 
|  | }; | 
|  |  | 
|  | }  // namespace blink | 
|  |  | 
|  | #endif  // FLUTTER_RUNTIME_RUNTIME_DELEGATE_H_ |