Files
react-native/ReactCommon/fabric/components/image/ImageComponentDescriptor.h
T
Joshua Gross 3c1114eea7 Enable Slider component
Summary:
Enable Slider component in Fabric on Android.

{F151706188}

Reviewed By: mdvacca

Differential Revision: D14220147

fbshipit-source-id: 10b29112e950c8de98cba995839780c4f4e8d3b6
2019-02-26 14:40:58 -08:00

60 lines
1.7 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 <react/components/image/ImageShadowNode.h>
#include <react/core/ConcreteComponentDescriptor.h>
#include <react/imagemanager/ImageManager.h>
#include <react/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),
// TODO (39486757): implement image manager on Android, currently Android does
// not have an ImageManager so this will crash
#ifndef ANDROID
imageManager_(
contextContainer
? contextContainer->getInstance<SharedImageManager>(
"ImageManager")
: nullptr) {
}
#else
imageManager_(nullptr) {
}
#endif
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