112 lines
3.3 KiB
C++
112 lines
3.3 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/view/ViewEventEmitter.h>
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#include <react/components/view/ViewProps.h>
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#include <react/components/view/YogaLayoutableShadowNode.h>
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#include <react/core/ConcreteShadowNode.h>
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#include <react/core/LayoutableShadowNode.h>
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#include <react/core/ShadowNode.h>
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#include <react/core/ShadowNodeFragment.h>
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#include <react/debug/DebugStringConvertibleItem.h>
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namespace facebook {
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namespace react {
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/*
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* Template for all <View>-like classes (classes which have all same props
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* as <View> and similar basic behaviour).
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* For example: <Paragraph>, <Image>, but not <Text>, <RawText>.
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*/
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template <
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const char *concreteComponentName,
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typename ViewPropsT = ViewProps,
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typename ViewEventEmitterT = ViewEventEmitter,
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typename... Ts>
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class ConcreteViewShadowNode : public ConcreteShadowNode<
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concreteComponentName,
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YogaLayoutableShadowNode,
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ViewPropsT,
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ViewEventEmitterT,
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Ts...> {
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static_assert(
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std::is_base_of<ViewProps, ViewPropsT>::value,
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"ViewPropsT must be a descendant of ViewProps");
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static_assert(
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std::is_base_of<YogaStylableProps, ViewPropsT>::value,
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"ViewPropsT must be a descendant of YogaStylableProps");
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static_assert(
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std::is_base_of<AccessibilityProps, ViewPropsT>::value,
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"ViewPropsT must be a descendant of AccessibilityProps");
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public:
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using BaseShadowNode = ConcreteShadowNode<
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concreteComponentName,
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YogaLayoutableShadowNode,
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ViewPropsT,
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ViewEventEmitterT,
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Ts...>;
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ConcreteViewShadowNode(
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ShadowNodeFragment const &fragment,
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ShadowNodeFamily::Shared const &family,
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ShadowNodeTraits traits)
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: BaseShadowNode(fragment, family, traits) {
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initialize();
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}
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ConcreteViewShadowNode(
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ShadowNode const &sourceShadowNode,
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ShadowNodeFragment const &fragment)
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: BaseShadowNode(sourceShadowNode, fragment) {
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initialize();
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}
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using ConcreteViewProps = ViewPropsT;
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using BaseShadowNode::BaseShadowNode;
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static ShadowNodeTraits BaseTraits() {
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auto traits = BaseShadowNode::BaseTraits();
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traits.set(ShadowNodeTraits::Trait::ViewKind);
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traits.set(ShadowNodeTraits::Trait::FormsStackingContext);
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traits.set(ShadowNodeTraits::Trait::FormsView);
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return traits;
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}
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Transform getTransform() const override {
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return BaseShadowNode::getConcreteProps().transform;
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}
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#pragma mark - DebugStringConvertible
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#if RN_DEBUG_STRING_CONVERTIBLE
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SharedDebugStringConvertibleList getDebugProps() const override {
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auto list = SharedDebugStringConvertibleList{};
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auto basePropsList = ShadowNode::getDebugProps();
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std::move(
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basePropsList.begin(), basePropsList.end(), std::back_inserter(list));
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list.push_back(std::make_shared<DebugStringConvertibleItem>(
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"layout", "", LayoutableShadowNode::getDebugProps()));
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return list;
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}
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#endif
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private:
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void initialize() noexcept {
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BaseShadowNode::orderIndex_ = BaseShadowNode::getConcreteProps().zIndex;
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}
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};
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} // namespace react
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} // namespace facebook
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