react-native/ReactCommon/fabric/components/image/ImageComponentDescriptor.h
Héctor Ramos 1151c096da Update copyright headers to yearless format
Summary: This change drops the year from the copyright headers and the LICENSE file.

Reviewed By: yungsters

Differential Revision: D9727774

fbshipit-source-id: df4fc1e4390733fe774b1a160dd41b4a3d83302a
2018-09-11 15:33:07 -07:00

46 lines
1.4 KiB
C++

/**
* Copyright (c) Facebook, Inc. and its 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 <fabric/components/image/ImageShadowNode.h>
#include <fabric/core/ConcreteComponentDescriptor.h>
#include <fabric/imagemanager/ImageManager.h>
#include <fabric/uimanager/ContextContainer.h>
namespace facebook {
namespace react {
/*
* Descriptor for <Image> component.
*/
class ImageComponentDescriptor final:
public ConcreteComponentDescriptor<ImageShadowNode> {
public:
ImageComponentDescriptor(SharedEventDispatcher eventDispatcher, const SharedContextContainer &contextContainer):
ConcreteComponentDescriptor(eventDispatcher),
imageManager_(contextContainer->getInstance<SharedImageManager>()) {}
void adopt(UnsharedShadowNode shadowNode) const override {
ConcreteComponentDescriptor::adopt(shadowNode);
assert(std::dynamic_pointer_cast<ImageShadowNode>(shadowNode));
auto imageShadowNode = std::static_pointer_cast<ImageShadowNode>(shadowNode);
// `ImageShadowNode` uses `ImageManager` to initiate image loading and
// communicate the loading state and results to mounting layer.
imageShadowNode->setImageManager(imageManager_);
}
private:
const SharedImageManager imageManager_;
};
} // namespace react
} // namespace facebook