GT2/Ejectable/node_modules/react-native/ReactCommon/fabric/uimanager/ComponentDescriptorProvider...

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