react-native/ReactCommon/fabric/components/image/ImageShadowNode.h

58 lines
1.2 KiB
C++

/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* 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 <fabric/components/image/ImageEventEmitter.h>
#include <fabric/components/image/ImageProps.h>
#include <fabric/components/view/ConcreteViewShadowNode.h>
#include <fabric/imagemanager/ImageManager.h>
#include <fabric/imagemanager/primitives.h>
namespace facebook {
namespace react {
extern const char ImageComponentName[];
/*
* `ShadowNode` for <Image> component.
*/
class ImageShadowNode final:
public ConcreteViewShadowNode<
ImageComponentName,
ImageProps,
ImageEventEmitter
> {
public:
using ConcreteViewShadowNode::ConcreteViewShadowNode;
/*
* Associates a shared `ImageManager` with the node.
*/
void setImageManager(const SharedImageManager &imageManager);
#pragma mark - LayoutableShadowNode
void layout(LayoutContext layoutContext) override;
private:
/*
* (Re)Creates a `LocalData` object (with `ImageRequest`) if needed.
*/
void updateLocalData();
ImageSource getImageSource() const;
SharedImageManager imageManager_;
};
} // namespace react
} // namespace facebook