72 lines
2.4 KiB
C++
72 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <shared_mutex>
|
|
|
|
#include <react/renderer/componentregistry/ComponentDescriptorProvider.h>
|
|
#include <react/renderer/componentregistry/ComponentDescriptorRegistry.h>
|
|
#include <react/renderer/core/ComponentDescriptor.h>
|
|
|
|
namespace facebook {
|
|
namespace react {
|
|
|
|
using ComponentDescriptorProviderRequest =
|
|
std::function<void(ComponentName componentName)>;
|
|
|
|
/*
|
|
* Registry of `ComponentDescriptorProvider`s (and managed
|
|
* `ComponentDescriptorRegistry`s). The class maintains a list of
|
|
* `ComponentDescriptorRegistry`s (retaining pointers weakly) and update them
|
|
* accordingly to changes in the provider registry.
|
|
*/
|
|
class ComponentDescriptorProviderRegistry final {
|
|
public:
|
|
/*
|
|
* Adds a `ComponentDescriptorProvider`s and update the managed
|
|
* `ComponentDescriptorRegistry`s accordingly.
|
|
* The methods can be called on any thread.
|
|
*/
|
|
void add(const ComponentDescriptorProvider &provider) const;
|
|
|
|
/*
|
|
* ComponenDescriptorRegistry will call the `request` in case if a component
|
|
* with given name wasn't registered yet.
|
|
* The request handler must register a ComponentDescriptor with requested name
|
|
* synchronously during handling the request.
|
|
* The request can be called on any thread.
|
|
* The methods can be called on any thread.
|
|
*/
|
|
void setComponentDescriptorProviderRequest(
|
|
ComponentDescriptorProviderRequest request) const;
|
|
|
|
/*
|
|
* Creates managed `ComponentDescriptorRegistry` based on a stored list of
|
|
* `ComponentDescriptorProvider`s and given `ComponentDescriptorParameters`.
|
|
* The methods can be called on any thread.
|
|
*/
|
|
ComponentDescriptorRegistry::Shared createComponentDescriptorRegistry(
|
|
ComponentDescriptorParameters const ¶meters) const;
|
|
|
|
private:
|
|
friend class ComponentDescriptorRegistry;
|
|
|
|
void request(ComponentName componentName) const;
|
|
|
|
mutable std::shared_mutex mutex_;
|
|
mutable std::vector<std::weak_ptr<ComponentDescriptorRegistry const>>
|
|
componentDescriptorRegistries_;
|
|
mutable butter::map<ComponentHandle, ComponentDescriptorProvider const>
|
|
componentDescriptorProviders_;
|
|
mutable ComponentDescriptorProviderRequest
|
|
componentDescriptorProviderRequest_{};
|
|
};
|
|
|
|
} // namespace react
|
|
} // namespace facebook
|