| // Copyright 2013 The Flutter 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_LIB_UI_PAINTING_SCENE_NODE_H_ |
| #define FLUTTER_LIB_UI_PAINTING_SCENE_NODE_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "flutter/fml/memory/ref_ptr.h" |
| #include "flutter/lib/ui/dart_wrapper.h" |
| #include "flutter/lib/ui/painting/shader.h" |
| |
| #include "third_party/tonic/dart_library_natives.h" |
| |
| namespace flutter { |
| |
| class SceneShader; |
| |
| /// @brief A scene node, which may be a deserialized ipscene asset. This node |
| /// can be safely added as a child to multiple scene nodes, whether |
| /// they're in the same scene or a different scene. The deserialized |
| /// node itself is treated as immutable on the IO thread. |
| /// |
| /// Internally, nodes may have an animation player, which is controlled |
| /// via the mutation log in the `DlSceneColorSource`, which is built by |
| /// `SceneShader`. |
| class SceneNode : public RefCountedDartWrappable<SceneNode> { |
| DEFINE_WRAPPERTYPEINFO(); |
| FML_FRIEND_MAKE_REF_COUNTED(SceneShader); |
| |
| public: |
| SceneNode(); |
| ~SceneNode() override; |
| |
| static void Create(Dart_Handle wrapper); |
| |
| std::string initFromAsset(const std::string& asset_name, |
| Dart_Handle completion_callback_handle); |
| |
| void initFromTransform(const tonic::Float64List& matrix4); |
| |
| void AddChild(Dart_Handle scene_node_handle); |
| |
| void SetTransform(const tonic::Float64List& matrix4); |
| |
| void SetAnimationState(const std::string& animation_name, |
| bool playing, |
| bool loop, |
| double weight, |
| double time_scale); |
| |
| void SeekAnimation(const std::string& animation_name, double time); |
| |
| fml::RefPtr<SceneNode> node(Dart_Handle shader); |
| |
| private: |
| std::shared_ptr<impeller::scene::Node> node_; |
| std::vector<fml::RefPtr<SceneNode>> children_; |
| |
| friend SceneShader; |
| }; |
| |
| } // namespace flutter |
| |
| #endif // FLUTTER_LIB_UI_PAINTING_SCENE_NODE_H_ |