75 lines
2.3 KiB
C++
75 lines
2.3 KiB
C++
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#pragma once
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#include <react/components/rncore/EventEmitters.h>
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#include <react/components/rncore/Props.h>
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#include <react/components/slider/SliderMeasurementsManager.h>
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#include <react/components/slider/SliderState.h>
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#include <react/components/view/ConcreteViewShadowNode.h>
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#include <react/imagemanager/ImageManager.h>
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#include <react/imagemanager/primitives.h>
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namespace facebook {
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namespace react {
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extern const char SliderComponentName[];
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/*
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* `ShadowNode` for <Slider> component.
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*/
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class SliderShadowNode final : public ConcreteViewShadowNode<
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SliderComponentName,
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SliderProps,
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SliderEventEmitter,
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SliderState> {
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public:
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using ConcreteViewShadowNode::ConcreteViewShadowNode;
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// Associates a shared `ImageManager` with the node.
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void setImageManager(const SharedImageManager &imageManager);
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// Associates a shared `SliderMeasurementsManager` with the node.
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void setSliderMeasurementsManager(
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const std::shared_ptr<SliderMeasurementsManager> &measurementsManager);
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static SliderState initialStateData(
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ShadowNodeFragment const &fragment,
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SurfaceId const surfaceId,
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ComponentDescriptor const &componentDescriptor) {
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auto imageSource = ImageSource{ImageSource::Type::Invalid};
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return {imageSource,
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{imageSource, nullptr},
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imageSource,
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{imageSource, nullptr},
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imageSource,
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{imageSource, nullptr},
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imageSource,
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{imageSource, nullptr}};
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}
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#pragma mark - LayoutableShadowNode
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Size measure(LayoutConstraints layoutConstraints) const override;
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void layout(LayoutContext layoutContext) override;
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private:
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void updateStateIfNeeded();
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ImageSource getTrackImageSource() const;
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ImageSource getMinimumTrackImageSource() const;
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ImageSource getMaximumTrackImageSource() const;
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ImageSource getThumbImageSource() const;
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SharedImageManager imageManager_;
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std::shared_ptr<SliderMeasurementsManager> measurementsManager_;
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};
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} // namespace react
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} // namespace facebook
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