83 строки
2.4 KiB
C++
83 строки
2.4 KiB
C++
// Copyright (c) Facebook, Inc. and its affiliates.
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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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#pragma once
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#include <memory>
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#include <better/map.h>
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#include <better/mutex.h>
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#include <react/core/ComponentDescriptor.h>
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#include <react/uimanager/ComponentDescriptorProvider.h>
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namespace facebook {
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namespace react {
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class ComponentDescriptorRegistry;
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using SharedComponentDescriptorRegistry =
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std::shared_ptr<const ComponentDescriptorRegistry>;
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/*
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* Registry of particular `ComponentDescriptor`s.
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*/
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class ComponentDescriptorRegistry {
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public:
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using Shared = std::shared_ptr<const ComponentDescriptorRegistry>;
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/*
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* Deprecated. Use custom constructor instead.
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*/
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ComponentDescriptorRegistry() = default;
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/*
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* Creates an object with stored `ComponentDescriptorParameters` which will
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* be used later to create `ComponentDescriptor`s.
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*/
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ComponentDescriptorRegistry(ComponentDescriptorParameters const ¶meters);
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/*
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* Deprecated. Use `add` instead.
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*/
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void registerComponentDescriptor(
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SharedComponentDescriptor componentDescriptor) const;
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ComponentDescriptor const &at(std::string const &componentName) const;
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ComponentDescriptor const &at(ComponentHandle componentHandle) const;
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SharedShadowNode createNode(
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Tag tag,
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std::string const &viewName,
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SurfaceId surfaceId,
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folly::dynamic const &props,
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SharedEventTarget const &eventTarget) const;
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void setFallbackComponentDescriptor(SharedComponentDescriptor descriptor);
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ComponentDescriptor::Shared getFallbackComponentDescriptor() const;
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private:
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friend class ComponentDescriptorProviderRegistry;
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/*
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* Adds (or removes) a `ComponentDescriptor ` created using given
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* `ComponentDescriptorProvider` and stored `ComponentDescriptorParameters`.
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* To be used by `ComponentDescriptorProviderRegistry` only.
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* Thread safe.
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*/
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void add(ComponentDescriptorProvider componentDescriptorProvider) const;
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void remove(ComponentDescriptorProvider componentDescriptorProvider) const;
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mutable better::shared_mutex mutex_;
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mutable better::map<ComponentHandle, SharedComponentDescriptor>
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_registryByHandle;
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mutable better::map<std::string, SharedComponentDescriptor> _registryByName;
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ComponentDescriptor::Shared _fallbackComponentDescriptor;
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ComponentDescriptorParameters parameters_{};
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};
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} // namespace react
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} // namespace facebook
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