Valentin Shergin b09457b4d2 Fabric: <Image> component, xplat part
Summary:
@public
This diff implements basics of cross-platform part of <Image> component.
Known issues:
- Events does not work yet.
- Some quite specific image source parameters (like custom http headers) are not supported yet.

Reviewed By: fkgozali

Differential Revision: D8526575

fbshipit-source-id: ecc97d9fda2b2e65bb1b079af057f8e176a161e5
2018-06-22 07:32:50 -07:00

54 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/imagemanager/ImageManager.h>
#include <fabric/imagemanager/primitives.h>
#include <fabric/view/ConcreteViewShadowNode.h>
namespace facebook {
namespace react {
/*
* `ShadowNode` for <Image> component.
*/
class ImageShadowNode final:
public ConcreteViewShadowNode<ImageProps, ImageEventEmitter> {
public:
using ConcreteViewShadowNode::ConcreteViewShadowNode;
ComponentName getComponentName() const override;
/*
* 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