85 строки
2.5 KiB
C++
85 строки
2.5 KiB
C++
/*
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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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#include "ComponentDescriptorProviderRegistry.h"
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namespace facebook {
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namespace react {
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void ComponentDescriptorProviderRegistry::add(
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ComponentDescriptorProvider provider) const {
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std::unique_lock<better::shared_mutex> lock(mutex_);
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/*
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// TODO: T57583139
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The assert is temporarily disabled to reduce the volume of the signal.
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assert(
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componentDescriptorProviders_.find(provider.handle) ==
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componentDescriptorProviders_.end() &&
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"Attempt to register an already registered ComponentDescriptorProvider.");
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*/
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if (componentDescriptorProviders_.find(provider.handle) !=
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componentDescriptorProviders_.end()) {
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// Re-registering a provider makes no sense because it's copyable: already
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// registered one is as good as any new can be.
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return;
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}
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componentDescriptorProviders_.insert({provider.handle, provider});
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for (auto const &weakRegistry : componentDescriptorRegistries_) {
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auto registry = weakRegistry.lock();
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if (!registry) {
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continue;
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}
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registry->add(provider);
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}
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}
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void ComponentDescriptorProviderRegistry::setComponentDescriptorProviderRequest(
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ComponentDescriptorProviderRequest componentDescriptorProviderRequest)
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const {
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std::shared_lock<better::shared_mutex> lock(mutex_);
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componentDescriptorProviderRequest_ = componentDescriptorProviderRequest;
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}
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void ComponentDescriptorProviderRegistry::request(
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ComponentName componentName) const {
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ComponentDescriptorProviderRequest componentDescriptorProviderRequest;
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{
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std::shared_lock<better::shared_mutex> lock(mutex_);
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componentDescriptorProviderRequest = componentDescriptorProviderRequest_;
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}
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if (componentDescriptorProviderRequest) {
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componentDescriptorProviderRequest(componentName);
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}
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}
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ComponentDescriptorRegistry::Shared
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ComponentDescriptorProviderRegistry::createComponentDescriptorRegistry(
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ComponentDescriptorParameters const ¶meters) const {
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std::shared_lock<better::shared_mutex> lock(mutex_);
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auto registry =
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std::make_shared<ComponentDescriptorRegistry const>(parameters, *this);
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for (auto const &pair : componentDescriptorProviders_) {
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registry->add(pair.second);
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}
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componentDescriptorRegistries_.push_back(registry);
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return registry;
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}
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} // namespace react
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} // namespace facebook
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