Files
react-native/ReactCommon/fabric/componentregistry/ComponentDescriptorProviderRegistry.h
T
Valentin SherginandFacebook GitHub Bot e56950dc65 Fabric: componentregistry module was decoupled from uimanager
Summary:
We need to break up the `uimanager` module in order to solve circular dependencies problem (which future diff would have otherwise).

Changelog: [Internal] Fabric-specific internal change.

Reviewed By: JoshuaGross

Differential Revision: D20885163

fbshipit-source-id: 08eb1ba1d408fc0948e8d0da62380786a40973af
2020-04-18 15:00:21 -07:00

72 lines
2.3 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its 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 <better/mutex.h>
#include <react/componentregistry/ComponentDescriptorProvider.h>
#include <react/componentregistry/ComponentDescriptorRegistry.h>
#include <react/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(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 ComponentDescripor 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 &parameters) const;
private:
friend class ComponentDescriptorRegistry;
void request(ComponentName componentName) const;
mutable better::shared_mutex mutex_;
mutable std::vector<std::weak_ptr<ComponentDescriptorRegistry const>>
componentDescriptorRegistries_;
mutable better::map<ComponentHandle, ComponentDescriptorProvider const>
componentDescriptorProviders_;
mutable ComponentDescriptorProviderRequest
componentDescriptorProviderRequest_;
};
} // namespace react
} // namespace facebook