94 lines
2.3 KiB
C
94 lines
2.3 KiB
C
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/*
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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 <better/small_vector.h>
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#include <folly/Hash.h>
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#include <react/core/EventEmitter.h>
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#include <react/core/LayoutMetrics.h>
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#include <react/core/Props.h>
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#include <react/core/ReactPrimitives.h>
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#include <react/core/ShadowNode.h>
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namespace facebook {
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namespace react {
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/*
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* Describes a view that can be mounted.
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*/
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struct ShadowView final {
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ShadowView() = default;
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ShadowView(ShadowView const &shadowView) = default;
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ShadowView(ShadowView &&shadowView) noexcept = default;
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/*
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* Constructs a `ShadowView` from given `ShadowNode`.
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*/
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explicit ShadowView(ShadowNode const &shadowNode);
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ShadowView &operator=(ShadowView const &other) = default;
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ShadowView &operator=(ShadowView &&other) = default;
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bool operator==(ShadowView const &rhs) const;
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bool operator!=(ShadowView const &rhs) const;
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ComponentName componentName{};
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ComponentHandle componentHandle{};
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Tag tag{};
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Props::Shared props{};
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EventEmitter::Shared eventEmitter{};
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LayoutMetrics layoutMetrics{EmptyLayoutMetrics};
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State::Shared state{};
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};
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#if RN_DEBUG_STRING_CONVERTIBLE
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std::string getDebugName(ShadowView const &object);
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std::vector<DebugStringConvertibleObject> getDebugProps(
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ShadowView const &object,
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DebugStringConvertibleOptions options);
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#endif
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/*
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* Describes pair of a `ShadowView` and a `ShadowNode`.
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*/
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struct ShadowViewNodePair final {
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using List = better::
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small_vector<ShadowViewNodePair, kShadowNodeChildrenSmallVectorSize>;
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ShadowView shadowView;
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ShadowNode const *shadowNode;
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/*
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* The stored pointer to `ShadowNode` represents an indentity of the pair.
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*/
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bool operator==(const ShadowViewNodePair &rhs) const;
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bool operator!=(const ShadowViewNodePair &rhs) const;
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};
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} // namespace react
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} // namespace facebook
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namespace std {
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template <>
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struct hash<facebook::react::ShadowView> {
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size_t operator()(const facebook::react::ShadowView &shadowView) const {
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return folly::hash::hash_combine(
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0,
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shadowView.componentHandle,
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shadowView.tag,
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shadowView.props,
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shadowView.eventEmitter,
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shadowView.state);
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}
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};
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} // namespace std
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