128 lines
3.8 KiB
Plaintext
128 lines
3.8 KiB
Plaintext
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTNativeModule.h"
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#import <React/RCTBridge.h>
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#import <React/RCTBridgeMethod.h>
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#import <React/RCTBridgeModule.h>
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#import <React/RCTCxxUtils.h>
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#import <React/RCTProfile.h>
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#import <React/RCTUtils.h>
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namespace facebook {
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namespace react {
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RCTNativeModule::RCTNativeModule(RCTBridge *bridge, RCTModuleData *moduleData)
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: m_bridge(bridge)
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, m_moduleData(moduleData) {}
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std::string RCTNativeModule::getName() {
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return [m_moduleData.name UTF8String];
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}
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std::vector<MethodDescriptor> RCTNativeModule::getMethods() {
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std::vector<MethodDescriptor> descs;
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for (id<RCTBridgeMethod> method in m_moduleData.methods) {
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descs.emplace_back(
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method.JSMethodName.UTF8String,
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method.functionType == RCTFunctionTypePromise ? "promise" : "async"
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);
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}
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return descs;
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}
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folly::dynamic RCTNativeModule::getConstants() {
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// TODO mhorowitz #10487027: This does unnecessary work since it
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// only needs constants. Think about refactoring RCTModuleData or
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// NativeModule to make this more natural.
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
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@"[RCTNativeModule getConstants] moduleData.config", nil);
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NSArray *config = m_moduleData.config;
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RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
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if (!config || config == (id)kCFNull) {
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return nullptr;
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}
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id constants = config[1];
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if (![constants isKindOfClass:[NSDictionary class]]) {
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return nullptr;
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}
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RCT_PROFILE_BEGIN_EVENT(RCTProfileTagAlways,
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@"[RCTNativeModule getConstants] convert", nil);
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folly::dynamic ret = [RCTConvert folly_dynamic:constants];
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RCT_PROFILE_END_EVENT(RCTProfileTagAlways, @"");
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return ret;
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}
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bool RCTNativeModule::supportsWebWorkers() {
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return false;
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}
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void RCTNativeModule::invoke(ExecutorToken token, unsigned int methodId, folly::dynamic &¶ms) {
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// The BatchedBridge version of this buckets all the callbacks by thread, and
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// queues one block on each. This is much simpler; we'll see how it goes and
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// iterate.
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// There is no flow event handling here until I can understand it.
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auto sparams = std::make_shared<folly::dynamic>(std::move(params));
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__weak RCTBridge *bridge = m_bridge;
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dispatch_block_t block = ^{
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if (!bridge || !bridge.valid) {
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return;
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}
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id<RCTBridgeMethod> method = m_moduleData.methods[methodId];
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if (RCT_DEBUG && !method) {
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RCTLogError(@"Unknown methodID: %ud for module: %@",
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methodId, m_moduleData.name);
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}
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NSArray *objcParams = RCTConvertFollyDynamic(*sparams);
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@try {
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[method invokeWithBridge:bridge module:m_moduleData.instance arguments:objcParams];
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}
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@catch (NSException *exception) {
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// Pass on JS exceptions
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if ([exception.name hasPrefix:RCTFatalExceptionName]) {
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@throw exception;
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}
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NSString *message = [NSString stringWithFormat:
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@"Exception '%@' was thrown while invoking %@ on target %@ with params %@",
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exception, method.JSMethodName, m_moduleData.name, objcParams];
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RCTFatal(RCTErrorWithMessage(message));
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}
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};
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dispatch_queue_t queue = m_moduleData.methodQueue;
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if (queue == RCTJSThread) {
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block();
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} else if (queue) {
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dispatch_async(queue, block);
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}
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}
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MethodCallResult RCTNativeModule::callSerializableNativeHook(
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ExecutorToken token, unsigned int reactMethodId, folly::dynamic &¶ms) {
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RCTFatal(RCTErrorWithMessage(@"callSerializableNativeHook is not yet supported on iOS"));
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return folly::none;
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}
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}
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}
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