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• .. (вверх)
• [DIR] ..
• [FILE] CMakeLists.txt
• [FILE] ImageComponentDescriptor.cpp
• [FILE] ImageComponentDescriptor.h
• [FILE] ImageEventEmitter.cpp
• [FILE] ImageEventEmitter.h
• [FILE] ImageProps.cpp
• [FILE] ImageProps.h
• [FILE] ImageShadowNode.cpp
• [FILE] ImageShadowNode.h
• [FILE] ImageState.cpp
• [FILE] ImageState.h
• [FILE] conversions.h
• [DIR] tests

Просмотр файла: ImageShadowNode.h

/*
 * Copyright (c) Meta Platforms, Inc. and affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#pragma once

#include <react/renderer/components/image/ImageEventEmitter.h>
#include <react/renderer/components/image/ImageProps.h>
#include <react/renderer/components/image/ImageState.h>
#include <react/renderer/components/view/ConcreteViewShadowNode.h>
#include <react/renderer/core/ShadowNodeFamily.h>
#include <react/renderer/imagemanager/ImageManager.h>
#include <react/renderer/imagemanager/primitives.h>

namespace facebook::react {

extern const char ImageComponentName[];

/*
 * `ShadowNode` for <Image> component.
 */
class ImageShadowNode final : public ConcreteViewShadowNode<
                                  ImageComponentName,
                                  ImageProps,
                                  ImageEventEmitter,
                                  ImageState> {
 public:
  using ConcreteViewShadowNode::ConcreteViewShadowNode;

  static ShadowNodeTraits BaseTraits() {
    auto traits = ConcreteViewShadowNode::BaseTraits();
    traits.set(ShadowNodeTraits::Trait::LeafYogaNode);
    return traits;
  }

  /*
   * Associates a shared `ImageManager` with the node.
   */
  void setImageManager(const SharedImageManager& imageManager);

  static ImageState initialStateData(
      const Props::Shared& props,
      const ShadowNodeFamily::Shared& /*family*/,
      const ComponentDescriptor& componentDescriptor) {
    auto imageSource = ImageSource{ImageSource::Type::Invalid};
    return {imageSource, {imageSource, nullptr}, {}};
  }

#pragma mark - LayoutableShadowNode

  void layout(LayoutContext layoutContext) override;

 private:
  ImageSource getImageSource() const;

  SharedImageManager imageManager_;

  void updateStateIfNeeded();
};

} // namespace facebook::react

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