55 lines
1.3 KiB
C++
55 lines
1.3 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and 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 <memory>
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#include <unordered_map>
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#include <react/renderer/mounting/ShadowViewMutation.h>
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#include <react/renderer/mounting/StubView.h>
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namespace facebook::react {
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class StubViewTree {
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public:
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StubViewTree() = default;
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StubViewTree(const ShadowView& shadowView);
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void mutate(const ShadowViewMutationList& mutations);
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const StubView& getRootStubView() const;
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/*
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* Returns a view with given tag.
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*/
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const StubView& getStubView(Tag tag) const;
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/*
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* Returns the total amount of views in the tree.
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*/
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size_t size() const;
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private:
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Tag rootTag_{};
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std::unordered_map<Tag, StubView::Shared> registry_{};
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friend bool operator==(const StubViewTree& lhs, const StubViewTree& rhs);
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friend bool operator!=(const StubViewTree& lhs, const StubViewTree& rhs);
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std::ostream& dumpTags(std::ostream& stream);
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bool hasTag(Tag tag) const {
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return registry_.find(tag) != registry_.end();
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}
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};
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bool operator==(const StubViewTree& lhs, const StubViewTree& rhs);
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bool operator!=(const StubViewTree& lhs, const StubViewTree& rhs);
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} // namespace facebook::react
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