94 lines
2.2 KiB
C++
94 lines
2.2 KiB
C++
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/*
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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 "jsireact/JSINativeModules.h"
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#include <glog/logging.h>
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#include <cxxreact/ReactMarker.h>
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#include <jsi/JSIDynamic.h>
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#include <string>
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using namespace facebook::jsi;
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namespace facebook {
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namespace react {
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JSINativeModules::JSINativeModules(
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std::shared_ptr<ModuleRegistry> moduleRegistry)
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: m_moduleRegistry(std::move(moduleRegistry)) {}
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Value JSINativeModules::getModule(Runtime &rt, const PropNameID &name) {
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if (!m_moduleRegistry) {
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return nullptr;
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}
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std::string moduleName = name.utf8(rt);
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const auto it = m_objects.find(moduleName);
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if (it != m_objects.end()) {
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return Value(rt, it->second);
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}
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auto module = createModule(rt, moduleName);
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if (!module.hasValue()) {
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// Allow lookup to continue in the objects own properties, which allows for
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// overrides of NativeModules
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return nullptr;
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}
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auto result =
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m_objects.emplace(std::move(moduleName), std::move(*module)).first;
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return Value(rt, result->second);
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}
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void JSINativeModules::reset() {
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m_genNativeModuleJS = folly::none;
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m_objects.clear();
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}
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folly::Optional<Object> JSINativeModules::createModule(
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Runtime &rt,
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const std::string &name) {
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bool hasLogger(ReactMarker::logTaggedMarker);
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if (hasLogger) {
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ReactMarker::logTaggedMarker(
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ReactMarker::NATIVE_MODULE_SETUP_START, name.c_str());
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}
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if (!m_genNativeModuleJS) {
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m_genNativeModuleJS =
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rt.global().getPropertyAsFunction(rt, "__fbGenNativeModule");
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}
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auto result = m_moduleRegistry->getConfig(name);
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if (!result.hasValue()) {
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return folly::none;
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}
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Value moduleInfo = m_genNativeModuleJS->call(
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rt,
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valueFromDynamic(rt, result->config),
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static_cast<double>(result->index));
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CHECK(!moduleInfo.isNull()) << "Module returned from genNativeModule is null";
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folly::Optional<Object> module(
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moduleInfo.asObject(rt).getPropertyAsObject(rt, "module"));
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if (hasLogger) {
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ReactMarker::logTaggedMarker(
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ReactMarker::NATIVE_MODULE_SETUP_STOP, name.c_str());
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}
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return module;
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}
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} // namespace react
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} // namespace facebook
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