1495 lines
48 KiB
Objective-C
1495 lines
48 KiB
Objective-C
/**
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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 "RCTBridge.h"
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#import <dlfcn.h>
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#import <objc/message.h>
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#import <objc/runtime.h>
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#import "RCTContextExecutor.h"
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#import "RCTConvert.h"
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#import "RCTEventDispatcher.h"
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#import "RCTJavaScriptLoader.h"
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#import "RCTKeyCommands.h"
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#import "RCTLog.h"
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#import "RCTPerfStats.h"
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#import "RCTProfile.h"
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#import "RCTRedBox.h"
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#import "RCTRootView.h"
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#import "RCTSourceCode.h"
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#import "RCTSparseArray.h"
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#import "RCTUtils.h"
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NSString *const RCTReloadNotification = @"RCTReloadNotification";
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NSString *const RCTJavaScriptDidLoadNotification = @"RCTJavaScriptDidLoadNotification";
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NSString *const RCTJavaScriptDidFailToLoadNotification = @"RCTJavaScriptDidFailToLoadNotification";
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dispatch_queue_t const RCTJSThread = nil;
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/**
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* Must be kept in sync with `MessageQueue.js`.
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*/
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typedef NS_ENUM(NSUInteger, RCTBridgeFields) {
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RCTBridgeFieldRequestModuleIDs = 0,
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RCTBridgeFieldMethodIDs,
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RCTBridgeFieldParamss,
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RCTBridgeFieldResponseCBIDs,
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RCTBridgeFieldResponseReturnValues,
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RCTBridgeFieldFlushDateMillis
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};
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typedef NS_ENUM(NSUInteger, RCTJavaScriptFunctionKind) {
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RCTJavaScriptFunctionKindNormal,
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RCTJavaScriptFunctionKindAsync,
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};
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#define RCTAssertJSThread() \
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RCTAssert(![NSStringFromClass([_javaScriptExecutor class]) isEqualToString:@"RCTContextExecutor"] || \
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[[[NSThread currentThread] name] isEqualToString:@"com.facebook.React.JavaScript"], \
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@"This method must be called on JS thread")
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NSString *const RCTEnqueueNotification = @"RCTEnqueueNotification";
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NSString *const RCTDequeueNotification = @"RCTDequeueNotification";
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static NSDictionary *RCTModuleIDsByName;
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static NSArray *RCTModuleNamesByID;
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static NSArray *RCTModuleClassesByID;
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void RCTRegisterModule(Class moduleClass)
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{
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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RCTModuleIDsByName = [[NSMutableDictionary alloc] init];
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RCTModuleNamesByID = [[NSMutableArray alloc] init];
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RCTModuleClassesByID = [[NSMutableArray alloc] init];
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});
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RCTAssert([moduleClass conformsToProtocol:@protocol(RCTBridgeModule)],
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@"%@ does not conform to the RCTBridgeModule protocol",
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NSStringFromClass(moduleClass));
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// Register module
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NSString *moduleName = RCTBridgeModuleNameForClass(moduleClass);
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((NSMutableDictionary *)RCTModuleIDsByName)[moduleName] = @(RCTModuleNamesByID.count);
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[(NSMutableArray *)RCTModuleNamesByID addObject:moduleName];
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[(NSMutableArray *)RCTModuleClassesByID addObject:moduleClass];
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}
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/**
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* This function returns the module name for a given class.
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*/
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NSString *RCTBridgeModuleNameForClass(Class cls)
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{
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NSString *name = nil;
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if ([cls respondsToSelector:@selector(moduleName)]) {
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name = [cls valueForKey:@"moduleName"];
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}
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if ([name length] == 0) {
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name = NSStringFromClass(cls);
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}
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if ([name hasPrefix:@"RK"]) {
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name = [name stringByReplacingCharactersInRange:(NSRange){0,@"RK".length} withString:@"RCT"];
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}
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return name;
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}
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// TODO: Can we just replace RCTMakeError with this function instead?
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static NSDictionary *RCTJSErrorFromNSError(NSError *error)
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{
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NSString *errorMessage;
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NSArray *stackTrace = [NSThread callStackSymbols];
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NSMutableDictionary *errorInfo =
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[NSMutableDictionary dictionaryWithObject:stackTrace forKey:@"nativeStackIOS"];
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if (error) {
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errorMessage = error.localizedDescription ?: @"Unknown error from a native module";
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errorInfo[@"domain"] = error.domain ?: RCTErrorDomain;
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errorInfo[@"code"] = @(error.code);
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} else {
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errorMessage = @"Unknown error from a native module";
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errorInfo[@"domain"] = RCTErrorDomain;
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errorInfo[@"code"] = @-1;
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}
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return RCTMakeError(errorMessage, nil, errorInfo);
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}
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@class RCTBatchedBridge;
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@interface RCTBridge ()
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@property (nonatomic, strong) RCTBatchedBridge *batchedBridge;
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@property (nonatomic, strong) RCTBridgeModuleProviderBlock moduleProvider;
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- (void)_invokeAndProcessModule:(NSString *)module
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method:(NSString *)method
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arguments:(NSArray *)args
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context:(NSNumber *)context;
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@end
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@interface RCTBatchedBridge : RCTBridge <RCTInvalidating>
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@property (nonatomic, weak) RCTBridge *parentBridge;
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- (instancetype)initWithParentBridge:(RCTBridge *)bridge NS_DESIGNATED_INITIALIZER;
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- (void)_actuallyInvokeAndProcessModule:(NSString *)module
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method:(NSString *)method
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arguments:(NSArray *)args
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context:(NSNumber *)context;
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@end
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/**
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* This private class is used as a container for exported method info
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*/
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@interface RCTModuleMethod : NSObject
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@property (nonatomic, copy, readonly) NSString *moduleClassName;
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@property (nonatomic, copy, readonly) NSString *JSMethodName;
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@property (nonatomic, assign, readonly) SEL selector;
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@property (nonatomic, assign, readonly) RCTJavaScriptFunctionKind functionKind;
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@end
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@implementation RCTModuleMethod
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{
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Class _moduleClass;
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SEL _selector;
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NSMethodSignature *_methodSignature;
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NSArray *_argumentBlocks;
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dispatch_block_t _methodQueue;
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}
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- (instancetype)initWithObjCMethodName:(NSString *)objCMethodName
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JSMethodName:(NSString *)JSMethodName
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moduleClass:(Class)moduleClass
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{
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if ((self = [super init])) {
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static NSRegularExpression *typeRegex;
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static NSRegularExpression *selectorRegex;
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if (!typeRegex) {
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NSString *unusedPattern = @"(?:(?:__unused|__attribute__\\(\\(unused\\)\\)))";
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NSString *constPattern = @"(?:const)";
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NSString *constUnusedPattern = [NSString stringWithFormat:@"(?:(?:%@|%@)\\s*)", unusedPattern, constPattern];
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NSString *pattern = [NSString stringWithFormat:@"\\(%1$@?(\\w+?)(?:\\s*\\*)?%1$@?\\)", constUnusedPattern];
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typeRegex = [[NSRegularExpression alloc] initWithPattern:pattern options:0 error:NULL];
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selectorRegex = [[NSRegularExpression alloc] initWithPattern:@"(?<=:).*?(?=[a-zA-Z_]+:|$)" options:0 error:NULL];
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}
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NSMutableArray *argumentNames = [NSMutableArray array];
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[typeRegex enumerateMatchesInString:objCMethodName options:0 range:NSMakeRange(0, objCMethodName.length) usingBlock:^(NSTextCheckingResult *result, __unused NSMatchingFlags flags, __unused BOOL *stop) {
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NSString *argumentName = [objCMethodName substringWithRange:[result rangeAtIndex:1]];
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[argumentNames addObject:argumentName];
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}];
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// Remove the parameters' type and name
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objCMethodName = [selectorRegex stringByReplacingMatchesInString:objCMethodName
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options:0
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range:NSMakeRange(0, objCMethodName.length)
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withTemplate:@""];
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// Remove any spaces since `selector : (Type)name` is a valid syntax
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objCMethodName = [objCMethodName stringByReplacingOccurrencesOfString:@" " withString:@""];
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_moduleClass = moduleClass;
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_moduleClassName = NSStringFromClass(_moduleClass);
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_selector = NSSelectorFromString(objCMethodName);
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_JSMethodName = JSMethodName.length > 0 ? JSMethodName : ({
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NSString *methodName = NSStringFromSelector(_selector);
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NSRange colonRange = [methodName rangeOfString:@":"];
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if (colonRange.length) {
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methodName = [methodName substringToIndex:colonRange.location];
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}
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methodName;
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});
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// Get method signature
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_methodSignature = [_moduleClass instanceMethodSignatureForSelector:_selector];
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// Process arguments
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NSUInteger numberOfArguments = _methodSignature.numberOfArguments;
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NSMutableArray *argumentBlocks = [[NSMutableArray alloc] initWithCapacity:numberOfArguments - 2];
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#define RCT_ARG_BLOCK(_logic) \
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[argumentBlocks addObject:^(__unused RCTBridge *bridge, __unused NSNumber *context, NSInvocation *invocation, NSUInteger index, id json) { \
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_logic \
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[invocation setArgument:&value atIndex:index]; \
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}]; \
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void (^addBlockArgument)(void) = ^{
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RCT_ARG_BLOCK(
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if (RCT_DEBUG && json && ![json isKindOfClass:[NSNumber class]]) {
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RCTLogError(@"Argument %tu (%@) of %@.%@ should be a number", index,
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json, RCTBridgeModuleNameForClass(_moduleClass), _JSMethodName);
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return;
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}
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// Marked as autoreleasing, because NSInvocation doesn't retain arguments
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__autoreleasing id value = (json ? ^(NSArray *args) {
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[bridge _invokeAndProcessModule:@"BatchedBridge"
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method:@"invokeCallbackAndReturnFlushedQueue"
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arguments:@[json, args]
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context:context];
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} : ^(__unused NSArray *unused) {});
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)
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};
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void (^defaultCase)(const char *) = ^(const char *argumentType) {
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static const char *blockType = @encode(typeof(^{}));
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if (!strcmp(argumentType, blockType)) {
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addBlockArgument();
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} else {
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RCT_ARG_BLOCK( id value = json; )
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}
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};
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for (NSUInteger i = 2; i < numberOfArguments; i++) {
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const char *argumentType = [_methodSignature getArgumentTypeAtIndex:i];
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NSString *argumentName = argumentNames[i - 2];
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SEL selector = NSSelectorFromString([argumentName stringByAppendingString:@":"]);
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if ([RCTConvert respondsToSelector:selector]) {
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switch (argumentType[0]) {
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#define RCT_CONVERT_CASE(_value, _type) \
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case _value: { \
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_type (*convert)(id, SEL, id) = (typeof(convert))objc_msgSend; \
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RCT_ARG_BLOCK( _type value = convert([RCTConvert class], selector, json); ) \
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break; \
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}
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RCT_CONVERT_CASE(':', SEL)
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RCT_CONVERT_CASE('*', const char *)
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RCT_CONVERT_CASE('c', char)
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RCT_CONVERT_CASE('C', unsigned char)
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RCT_CONVERT_CASE('s', short)
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RCT_CONVERT_CASE('S', unsigned short)
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RCT_CONVERT_CASE('i', int)
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RCT_CONVERT_CASE('I', unsigned int)
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RCT_CONVERT_CASE('l', long)
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RCT_CONVERT_CASE('L', unsigned long)
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RCT_CONVERT_CASE('q', long long)
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RCT_CONVERT_CASE('Q', unsigned long long)
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RCT_CONVERT_CASE('f', float)
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RCT_CONVERT_CASE('d', double)
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RCT_CONVERT_CASE('B', BOOL)
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RCT_CONVERT_CASE('@', id)
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RCT_CONVERT_CASE('^', void *)
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case '{': {
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[argumentBlocks addObject:^(__unused RCTBridge *bridge, __unused NSNumber *context, NSInvocation *invocation, NSUInteger index, id json) {
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NSMethodSignature *methodSignature = [RCTConvert methodSignatureForSelector:selector];
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void *returnValue = malloc(methodSignature.methodReturnLength);
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NSInvocation *_invocation = [NSInvocation invocationWithMethodSignature:methodSignature];
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[_invocation setTarget:[RCTConvert class]];
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[_invocation setSelector:selector];
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[_invocation setArgument:&json atIndex:2];
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[_invocation invoke];
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[_invocation getReturnValue:returnValue];
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[invocation setArgument:returnValue atIndex:index];
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free(returnValue);
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}];
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break;
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}
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default:
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defaultCase(argumentType);
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}
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} else if ([argumentName isEqualToString:@"RCTResponseSenderBlock"]) {
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addBlockArgument();
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} else if ([argumentName isEqualToString:@"RCTPromiseResolveBlock"]) {
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RCTAssert(i == numberOfArguments - 2,
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@"The RCTPromiseResolveBlock must be the second to last parameter in -[%@ %@]",
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_moduleClassName, objCMethodName);
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RCT_ARG_BLOCK(
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if (RCT_DEBUG && ![json isKindOfClass:[NSNumber class]]) {
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RCTLogError(@"Argument %tu (%@) of %@.%@ must be a promise resolver ID", index,
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json, RCTBridgeModuleNameForClass(_moduleClass), _JSMethodName);
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return;
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}
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// Marked as autoreleasing, because NSInvocation doesn't retain arguments
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__autoreleasing RCTPromiseResolveBlock value = (^(id result) {
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NSArray *arguments = result ? @[result] : @[];
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[bridge _invokeAndProcessModule:@"BatchedBridge"
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method:@"invokeCallbackAndReturnFlushedQueue"
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arguments:@[json, arguments]
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context:context];
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});
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)
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_functionKind = RCTJavaScriptFunctionKindAsync;
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} else if ([argumentName isEqualToString:@"RCTPromiseRejectBlock"]) {
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RCTAssert(i == numberOfArguments - 1,
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@"The RCTPromiseRejectBlock must be the last parameter in -[%@ %@]",
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_moduleClassName, objCMethodName);
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RCT_ARG_BLOCK(
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if (RCT_DEBUG && ![json isKindOfClass:[NSNumber class]]) {
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RCTLogError(@"Argument %tu (%@) of %@.%@ must be a promise rejecter ID", index,
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json, RCTBridgeModuleNameForClass(_moduleClass), _JSMethodName);
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return;
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}
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// Marked as autoreleasing, because NSInvocation doesn't retain arguments
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__autoreleasing RCTPromiseRejectBlock value = (^(NSError *error) {
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NSDictionary *errorJSON = RCTJSErrorFromNSError(error);
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[bridge _invokeAndProcessModule:@"BatchedBridge"
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method:@"invokeCallbackAndReturnFlushedQueue"
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arguments:@[json, @[errorJSON]]
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context:context];
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});
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)
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_functionKind = RCTJavaScriptFunctionKindAsync;
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} else {
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// Unknown argument type
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RCTLogError(@"Unknown argument type '%@' in method %@. Extend RCTConvert"
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" to support this type.", argumentName, [self methodName]);
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}
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}
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_argumentBlocks = [argumentBlocks copy];
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}
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return self;
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}
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- (void)invokeWithBridge:(RCTBridge *)bridge
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module:(id)module
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arguments:(NSArray *)arguments
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context:(NSNumber *)context
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{
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if (RCT_DEBUG) {
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// Sanity check
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RCTAssert([module class] == _moduleClass, @"Attempted to invoke method \
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%@ on a module of class %@", [self methodName], [module class]);
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// Safety check
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if (arguments.count != _argumentBlocks.count) {
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NSInteger actualCount = arguments.count;
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NSInteger expectedCount = _argumentBlocks.count;
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// Subtract the implicit Promise resolver and rejecter functions for implementations of async functions
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if (_functionKind == RCTJavaScriptFunctionKindAsync) {
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actualCount -= 2;
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expectedCount -= 2;
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}
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RCTLogError(@"%@.%@ was called with %zd arguments, but expects %zd",
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RCTBridgeModuleNameForClass(_moduleClass), _JSMethodName,
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actualCount, expectedCount);
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return;
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}
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}
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// Create invocation (we can't re-use this as it wouldn't be thread-safe)
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NSInvocation *invocation = [NSInvocation invocationWithMethodSignature:_methodSignature];
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[invocation setArgument:&_selector atIndex:1];
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[invocation retainArguments];
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// Set arguments
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NSUInteger index = 0;
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for (id json in arguments) {
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id arg = RCTNilIfNull(json);
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void (^block)(RCTBridge *, NSNumber *, NSInvocation *, NSUInteger, id) = _argumentBlocks[index];
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block(bridge, context, invocation, index + 2, arg);
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index++;
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}
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// Invoke method
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[invocation invokeWithTarget:module];
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}
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- (NSString *)methodName
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{
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return [NSString stringWithFormat:@"-[%@ %@]", _moduleClass,
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NSStringFromSelector(_selector)];
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}
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- (NSString *)description
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{
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return [NSString stringWithFormat:@"<%@: %p; exports %@ as %@();>",
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[self class], self, [self methodName], _JSMethodName];
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}
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@end
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/**
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* This function parses the exported methods inside RCTBridgeModules and
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* generates an array of arrays of RCTModuleMethod objects, keyed
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* by module index.
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*/
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static RCTSparseArray *RCTExportedMethodsByModuleID(void)
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{
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static RCTSparseArray *methodsByModuleID;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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methodsByModuleID = [[RCTSparseArray alloc] initWithCapacity:[RCTModuleClassesByID count]];
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[RCTModuleClassesByID enumerateObjectsUsingBlock:
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^(Class moduleClass, NSUInteger moduleID, __unused BOOL *stop) {
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methodsByModuleID[moduleID] = [[NSMutableArray alloc] init];
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unsigned int methodCount;
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Method *methods = class_copyMethodList(object_getClass(moduleClass), &methodCount);
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for (unsigned int i = 0; i < methodCount; i++) {
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Method method = methods[i];
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SEL selector = method_getName(method);
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if ([NSStringFromSelector(selector) hasPrefix:@"__rct_export__"]) {
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IMP imp = method_getImplementation(method);
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NSArray *entries = ((NSArray *(*)(id, SEL))imp)(moduleClass, selector);
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RCTModuleMethod *moduleMethod =
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[[RCTModuleMethod alloc] initWithObjCMethodName:entries[1]
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JSMethodName:entries[0]
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moduleClass:moduleClass];
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[methodsByModuleID[moduleID] addObject:moduleMethod];
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}
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}
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free(methods);
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}];
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});
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return methodsByModuleID;
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}
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|
|
/**
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* This constructs the remote modules configuration data structure,
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* which represents the native modules and methods that will be called
|
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* by JS. A numeric ID is assigned to each module and method, which will
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* be used to communicate via the bridge. The structure of each
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* module is as follows:
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*
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* "ModuleName1": {
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* "moduleID": 0,
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* "methods": {
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* "methodName1": {
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* "methodID": 0,
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* "type": "remote"
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* },
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* "methodName2": {
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* "methodID": 1,
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* "type": "remoteAsync"
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* },
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* etc...
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* },
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* "constants": {
|
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* ...
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* }
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* },
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* etc...
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*/
|
|
static NSDictionary *RCTRemoteModulesConfig(NSDictionary *modulesByName)
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{
|
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static NSMutableDictionary *remoteModuleConfigByClassName;
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
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|
|
remoteModuleConfigByClassName = [[NSMutableDictionary alloc] init];
|
|
[RCTModuleClassesByID enumerateObjectsUsingBlock:
|
|
^(Class moduleClass, NSUInteger moduleID, __unused BOOL *stop) {
|
|
|
|
NSArray *methods = RCTExportedMethodsByModuleID()[moduleID];
|
|
NSMutableDictionary *methodsByName = [NSMutableDictionary dictionaryWithCapacity:methods.count];
|
|
[methods enumerateObjectsUsingBlock:
|
|
^(RCTModuleMethod *method, NSUInteger methodID, __unused BOOL *_stop) {
|
|
methodsByName[method.JSMethodName] = @{
|
|
@"methodID": @(methodID),
|
|
@"type": method.functionKind == RCTJavaScriptFunctionKindAsync ? @"remoteAsync" : @"remote",
|
|
};
|
|
}];
|
|
|
|
NSDictionary *module = @{
|
|
@"moduleID": @(moduleID),
|
|
@"methods": methodsByName
|
|
};
|
|
|
|
remoteModuleConfigByClassName[NSStringFromClass(moduleClass)] = module;
|
|
}];
|
|
});
|
|
|
|
// Create config
|
|
NSMutableDictionary *moduleConfig = [[NSMutableDictionary alloc] init];
|
|
[modulesByName enumerateKeysAndObjectsUsingBlock:
|
|
^(NSString *moduleName, id<RCTBridgeModule> module, __unused BOOL *stop) {
|
|
|
|
// Add constants
|
|
NSMutableDictionary *config = remoteModuleConfigByClassName[NSStringFromClass([module class])];
|
|
if ([module respondsToSelector:@selector(constantsToExport)]) {
|
|
NSDictionary *constants = [module constantsToExport];
|
|
if (constants) {
|
|
NSMutableDictionary *mutableConfig = [NSMutableDictionary dictionaryWithDictionary:config];
|
|
mutableConfig[@"constants"] = constants; // There's no real need to copy this
|
|
config = mutableConfig; // Nor this - receiver is unlikely to mutate it
|
|
}
|
|
}
|
|
|
|
moduleConfig[moduleName] = config;
|
|
}];
|
|
|
|
return moduleConfig;
|
|
}
|
|
|
|
@interface RCTFrameUpdate (Private)
|
|
|
|
- (instancetype)initWithDisplayLink:(CADisplayLink *)displayLink;
|
|
|
|
@end
|
|
|
|
@implementation RCTFrameUpdate
|
|
|
|
- (instancetype)initWithDisplayLink:(CADisplayLink *)displayLink
|
|
{
|
|
if ((self = [super init])) {
|
|
_timestamp = displayLink.timestamp;
|
|
_deltaTime = displayLink.duration;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation RCTBridge
|
|
|
|
static id<RCTJavaScriptExecutor> _latestJSExecutor;
|
|
|
|
#if RCT_DEBUG
|
|
|
|
+ (void)initialize
|
|
{
|
|
static dispatch_once_t onceToken;
|
|
dispatch_once(&onceToken, ^{
|
|
|
|
static unsigned int classCount;
|
|
Class *classes = objc_copyClassList(&classCount);
|
|
|
|
for (unsigned int i = 0; i < classCount; i++)
|
|
{
|
|
Class cls = classes[i];
|
|
Class superclass = cls;
|
|
while (superclass)
|
|
{
|
|
if (class_conformsToProtocol(superclass, @protocol(RCTBridgeModule)))
|
|
{
|
|
if (![RCTModuleClassesByID containsObject:cls]) {
|
|
RCTLogError(@"Class %@ was not exported. Did you forget to use RCT_EXPORT_MODULE()?", NSStringFromClass(cls));
|
|
}
|
|
break;
|
|
}
|
|
superclass = class_getSuperclass(superclass);
|
|
}
|
|
}
|
|
|
|
free(classes);
|
|
|
|
});
|
|
}
|
|
|
|
#endif
|
|
|
|
- (instancetype)initWithBundleURL:(NSURL *)bundleURL
|
|
moduleProvider:(RCTBridgeModuleProviderBlock)block
|
|
launchOptions:(NSDictionary *)launchOptions
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
if ((self = [super init])) {
|
|
_bundleURL = bundleURL;
|
|
_moduleProvider = block;
|
|
_launchOptions = [launchOptions copy];
|
|
[self bindKeys];
|
|
[self setUp];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
RCT_NOT_IMPLEMENTED(-init)
|
|
|
|
- (void)dealloc
|
|
{
|
|
/**
|
|
* This runs only on the main thread, but crashes the subclass
|
|
* RCTAssertMainThread();
|
|
*/
|
|
[[NSNotificationCenter defaultCenter] removeObserver:self];
|
|
[self invalidate];
|
|
}
|
|
|
|
- (void)bindKeys
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
[[NSNotificationCenter defaultCenter] addObserver:self
|
|
selector:@selector(reload)
|
|
name:RCTReloadNotification
|
|
object:nil];
|
|
|
|
#if TARGET_IPHONE_SIMULATOR
|
|
|
|
__weak RCTBridge *weakSelf = self;
|
|
RCTKeyCommands *commands = [RCTKeyCommands sharedInstance];
|
|
|
|
// reload in current mode
|
|
[commands registerKeyCommandWithInput:@"r"
|
|
modifierFlags:UIKeyModifierCommand
|
|
action:^(__unused UIKeyCommand *command) {
|
|
[weakSelf reload];
|
|
}];
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
- (RCTEventDispatcher *)eventDispatcher
|
|
{
|
|
return self.modules[RCTBridgeModuleNameForClass([RCTEventDispatcher class])];
|
|
}
|
|
|
|
- (void)reload
|
|
{
|
|
/**
|
|
* AnyThread
|
|
*/
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
[self invalidate];
|
|
[self setUp];
|
|
});
|
|
}
|
|
|
|
- (void)setUp
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
_batchedBridge = [[RCTBatchedBridge alloc] initWithParentBridge:self];
|
|
}
|
|
|
|
- (BOOL)isLoading
|
|
{
|
|
return _batchedBridge.loading;
|
|
}
|
|
|
|
- (BOOL)isValid
|
|
{
|
|
return _batchedBridge.isValid;
|
|
}
|
|
|
|
- (void)invalidate
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
[_batchedBridge invalidate];
|
|
_batchedBridge = nil;
|
|
}
|
|
|
|
+ (void)logMessage:(NSString *)message level:(NSString *)level
|
|
{
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
if (!_latestJSExecutor.isValid) {
|
|
return;
|
|
}
|
|
|
|
[_latestJSExecutor executeJSCall:@"RCTLog"
|
|
method:@"logIfNoNativeHook"
|
|
arguments:@[level, message]
|
|
context:RCTGetExecutorID(_latestJSExecutor)
|
|
callback:^(__unused id json, __unused NSError *error) {}];
|
|
});
|
|
}
|
|
|
|
- (NSDictionary *)modules
|
|
{
|
|
return _batchedBridge.modules;
|
|
}
|
|
|
|
#define RCT_INNER_BRIDGE_ONLY(...) \
|
|
- (void)__VA_ARGS__ \
|
|
{ \
|
|
RCTLogMustFix(@"Called method \"%@\" on top level bridge. This method should \
|
|
only be called from bridge instance in a bridge module", @(__func__)); \
|
|
}
|
|
|
|
- (void)enqueueJSCall:(NSString *)moduleDotMethod args:(NSArray *)args
|
|
{
|
|
[self.batchedBridge enqueueJSCall:moduleDotMethod args:args];
|
|
}
|
|
|
|
RCT_INNER_BRIDGE_ONLY(_invokeAndProcessModule:(__unused NSString *)module
|
|
method:(__unused NSString *)method
|
|
arguments:(__unused NSArray *)args
|
|
context:(__unused NSNumber *)context)
|
|
|
|
@end
|
|
|
|
@implementation RCTBatchedBridge
|
|
{
|
|
BOOL _loading;
|
|
__weak id<RCTJavaScriptExecutor> _javaScriptExecutor;
|
|
RCTSparseArray *_modulesByID;
|
|
RCTSparseArray *_queuesByID;
|
|
dispatch_queue_t _methodQueue;
|
|
NSDictionary *_modulesByName;
|
|
CADisplayLink *_mainDisplayLink;
|
|
CADisplayLink *_jsDisplayLink;
|
|
NSMutableSet *_frameUpdateObservers;
|
|
NSMutableArray *_scheduledCalls;
|
|
RCTSparseArray *_scheduledCallbacks;
|
|
}
|
|
|
|
@synthesize valid = _valid;
|
|
|
|
- (instancetype)initWithParentBridge:(RCTBridge *)bridge
|
|
{
|
|
RCTAssertMainThread();
|
|
RCTAssertParam(bridge);
|
|
|
|
if ((self = [super initWithBundleURL:bridge.bundleURL
|
|
moduleProvider:bridge.moduleProvider
|
|
launchOptions:bridge.launchOptions])) {
|
|
|
|
_parentBridge = bridge;
|
|
|
|
/**
|
|
* Set Initial State
|
|
*/
|
|
_valid = YES;
|
|
_loading = YES;
|
|
_frameUpdateObservers = [[NSMutableSet alloc] init];
|
|
_scheduledCalls = [[NSMutableArray alloc] init];
|
|
_scheduledCallbacks = [[RCTSparseArray alloc] init];
|
|
_queuesByID = [[RCTSparseArray alloc] init];
|
|
_jsDisplayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(_jsThreadUpdate:)];
|
|
|
|
if (RCT_DEV) {
|
|
_mainDisplayLink = [CADisplayLink displayLinkWithTarget:self selector:@selector(_mainThreadUpdate:)];
|
|
[_mainDisplayLink addToRunLoop:[NSRunLoop mainRunLoop] forMode:NSRunLoopCommonModes];
|
|
}
|
|
|
|
/**
|
|
* Initialize and register bridge modules *before* adding the display link
|
|
* so we don't have threading issues
|
|
*/
|
|
_methodQueue = dispatch_queue_create("com.facebook.React.BridgeMethodQueue", DISPATCH_QUEUE_SERIAL);
|
|
[self registerModules];
|
|
|
|
/**
|
|
* Start the application script
|
|
*/
|
|
[self initJS];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (instancetype)initWithBundleURL:(__unused NSURL *)bundleURL
|
|
moduleProvider:(__unused RCTBridgeModuleProviderBlock)block
|
|
launchOptions:(__unused NSDictionary *)launchOptions
|
|
{
|
|
return [self initWithParentBridge:nil];
|
|
}
|
|
|
|
/**
|
|
* Override to ensure that we won't create another nested bridge
|
|
*/
|
|
- (void)setUp {}
|
|
|
|
- (void)reload
|
|
{
|
|
[_parentBridge reload];
|
|
}
|
|
|
|
- (Class)executorClass
|
|
{
|
|
return _parentBridge.executorClass ?: [RCTContextExecutor class];
|
|
}
|
|
|
|
- (void)setExecutorClass:(Class)executorClass
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
_parentBridge.executorClass = executorClass;
|
|
}
|
|
|
|
- (BOOL)isLoading
|
|
{
|
|
return _loading;
|
|
}
|
|
|
|
- (BOOL)isValid
|
|
{
|
|
return _valid;
|
|
}
|
|
|
|
- (void)registerModules
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
// Register passed-in module instances
|
|
NSMutableDictionary *preregisteredModules = [[NSMutableDictionary alloc] init];
|
|
for (id<RCTBridgeModule> module in self.moduleProvider ? self.moduleProvider() : nil) {
|
|
preregisteredModules[RCTBridgeModuleNameForClass([module class])] = module;
|
|
}
|
|
|
|
// Instantiate modules
|
|
_modulesByID = [[RCTSparseArray alloc] init];
|
|
NSMutableDictionary *modulesByName = [preregisteredModules mutableCopy];
|
|
[RCTModuleClassesByID enumerateObjectsUsingBlock:
|
|
^(Class moduleClass, NSUInteger moduleID, __unused BOOL *stop) {
|
|
NSString *moduleName = RCTModuleNamesByID[moduleID];
|
|
// Check if module instance has already been registered for this name
|
|
id<RCTBridgeModule> module = modulesByName[moduleName];
|
|
if (module) {
|
|
// Preregistered instances takes precedence, no questions asked
|
|
if (!preregisteredModules[moduleName]) {
|
|
// It's OK to have a name collision as long as the second instance is nil
|
|
RCTAssert([[moduleClass alloc] init] == nil,
|
|
@"Attempted to register RCTBridgeModule class %@ for the name "
|
|
"'%@', but name was already registered by class %@", moduleClass,
|
|
moduleName, [modulesByName[moduleName] class]);
|
|
}
|
|
if ([module class] != moduleClass) {
|
|
RCTLogInfo(@"RCTBridgeModule of class %@ with name '%@' was encountered "
|
|
"in the project, but name was already registered by class %@."
|
|
"That's fine if it's intentional - just letting you know.",
|
|
moduleClass, moduleName, [modulesByName[moduleName] class]);
|
|
}
|
|
} else {
|
|
// Module name hasn't been used before, so go ahead and instantiate
|
|
module = [[moduleClass alloc] init];
|
|
}
|
|
if (module) {
|
|
// Store module instance
|
|
_modulesByID[moduleID] = modulesByName[moduleName] = module;
|
|
}
|
|
}];
|
|
|
|
// Store modules
|
|
_modulesByName = [modulesByName copy];
|
|
|
|
/**
|
|
* The executor is a bridge module, wait for it to be created and set it before
|
|
* any other module has access to the bridge
|
|
*/
|
|
_javaScriptExecutor = _modulesByName[RCTBridgeModuleNameForClass(self.executorClass)];
|
|
_latestJSExecutor = _javaScriptExecutor;
|
|
RCTSetExecutorID(_javaScriptExecutor);
|
|
|
|
[_javaScriptExecutor setUp];
|
|
|
|
// Set bridge
|
|
for (id<RCTBridgeModule> module in _modulesByName.allValues) {
|
|
if ([module respondsToSelector:@selector(setBridge:)]) {
|
|
module.bridge = self;
|
|
}
|
|
}
|
|
|
|
// Get method queues
|
|
[_modulesByID enumerateObjectsUsingBlock:
|
|
^(id<RCTBridgeModule> module, NSNumber *moduleID, __unused BOOL *stop) {
|
|
if ([module respondsToSelector:@selector(methodQueue)]) {
|
|
dispatch_queue_t queue = [module methodQueue];
|
|
if (queue) {
|
|
_queuesByID[moduleID] = queue;
|
|
} else {
|
|
_queuesByID[moduleID] = (id)kCFNull;
|
|
}
|
|
}
|
|
|
|
if ([module conformsToProtocol:@protocol(RCTFrameUpdateObserver)]) {
|
|
[_frameUpdateObservers addObject:module];
|
|
}
|
|
}];
|
|
}
|
|
|
|
- (void)initJS
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
// Inject module data into JS context
|
|
NSString *configJSON = RCTJSONStringify(@{
|
|
@"remoteModuleConfig": RCTRemoteModulesConfig(_modulesByName),
|
|
}, NULL);
|
|
dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
|
|
[_javaScriptExecutor injectJSONText:configJSON
|
|
asGlobalObjectNamed:@"__fbBatchedBridgeConfig" callback:
|
|
^(__unused id err) {
|
|
dispatch_semaphore_signal(semaphore);
|
|
}];
|
|
|
|
dispatch_semaphore_wait(semaphore, DISPATCH_TIME_NOW);
|
|
|
|
NSURL *bundleURL = _parentBridge.bundleURL;
|
|
if (_javaScriptExecutor == nil) {
|
|
|
|
/**
|
|
* HACK (tadeu): If it failed to connect to the debugger, set loading to NO
|
|
* so we can attempt to reload again.
|
|
*/
|
|
_loading = NO;
|
|
|
|
} else if (!bundleURL) {
|
|
|
|
// Allow testing without a script
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
_loading = NO;
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTJavaScriptDidLoadNotification
|
|
object:_parentBridge
|
|
userInfo:@{ @"bridge": self }];
|
|
});
|
|
} else {
|
|
|
|
RCTJavaScriptLoader *loader = [[RCTJavaScriptLoader alloc] initWithBridge:self];
|
|
[loader loadBundleAtURL:bundleURL onComplete:^(NSError *error, NSString *script) {
|
|
|
|
_loading = NO;
|
|
if (!self.isValid) {
|
|
return;
|
|
}
|
|
|
|
RCTSourceCode *sourceCodeModule = self.modules[RCTBridgeModuleNameForClass([RCTSourceCode class])];
|
|
sourceCodeModule.scriptURL = bundleURL;
|
|
sourceCodeModule.scriptText = script;
|
|
if (error) {
|
|
|
|
NSArray *stack = [error userInfo][@"stack"];
|
|
if (stack) {
|
|
[[RCTRedBox sharedInstance] showErrorMessage:[error localizedDescription]
|
|
withStack:stack];
|
|
} else {
|
|
[[RCTRedBox sharedInstance] showErrorMessage:[error localizedDescription]
|
|
withDetails:[error localizedFailureReason]];
|
|
}
|
|
|
|
NSDictionary *userInfo = @{@"bridge": self, @"error": error};
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTJavaScriptDidFailToLoadNotification
|
|
object:_parentBridge
|
|
userInfo:userInfo];
|
|
|
|
} else {
|
|
|
|
[self enqueueApplicationScript:script url:bundleURL onComplete:^(NSError *loadError) {
|
|
|
|
if (!loadError) {
|
|
|
|
/**
|
|
* Register the display link to start sending js calls after everything
|
|
* is setup
|
|
*/
|
|
NSRunLoop *targetRunLoop = [_javaScriptExecutor isKindOfClass:[RCTContextExecutor class]] ? [NSRunLoop currentRunLoop] : [NSRunLoop mainRunLoop];
|
|
[_jsDisplayLink addToRunLoop:targetRunLoop forMode:NSRunLoopCommonModes];
|
|
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTJavaScriptDidLoadNotification
|
|
object:_parentBridge
|
|
userInfo:@{ @"bridge": self }];
|
|
} else {
|
|
[[RCTRedBox sharedInstance] showErrorMessage:[loadError localizedDescription]
|
|
withDetails:[loadError localizedFailureReason]];
|
|
}
|
|
}];
|
|
}
|
|
}];
|
|
}
|
|
}
|
|
|
|
- (NSDictionary *)modules
|
|
{
|
|
if (!self.isValid) {
|
|
return nil;
|
|
}
|
|
|
|
RCTAssert(_modulesByName != nil, @"Bridge modules have not yet been initialized. "
|
|
"You may be trying to access a module too early in the startup procedure.");
|
|
|
|
return _modulesByName;
|
|
}
|
|
|
|
#pragma mark - RCTInvalidating
|
|
|
|
- (void)invalidate
|
|
{
|
|
if (!self.isValid) {
|
|
return;
|
|
}
|
|
|
|
RCTAssertMainThread();
|
|
|
|
_valid = NO;
|
|
if (_latestJSExecutor == _javaScriptExecutor) {
|
|
_latestJSExecutor = nil;
|
|
}
|
|
|
|
void (^mainThreadInvalidate)(void) = ^{
|
|
RCTAssertMainThread();
|
|
|
|
[_mainDisplayLink invalidate];
|
|
_mainDisplayLink = nil;
|
|
|
|
// Invalidate modules
|
|
for (id target in _modulesByID.allObjects) {
|
|
if ([target respondsToSelector:@selector(invalidate)]) {
|
|
[self dispatchBlock:^{
|
|
[(id<RCTInvalidating>)target invalidate];
|
|
} forModule:target];
|
|
}
|
|
}
|
|
|
|
// Release modules (breaks retain cycle if module has strong bridge reference)
|
|
_frameUpdateObservers = nil;
|
|
_modulesByID = nil;
|
|
_queuesByID = nil;
|
|
_modulesByName = nil;
|
|
};
|
|
|
|
if (!_javaScriptExecutor) {
|
|
|
|
// No JS thread running
|
|
mainThreadInvalidate();
|
|
return;
|
|
}
|
|
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:^{
|
|
|
|
/**
|
|
* JS Thread deallocations
|
|
*/
|
|
[_javaScriptExecutor invalidate];
|
|
_javaScriptExecutor = nil;
|
|
|
|
[_jsDisplayLink invalidate];
|
|
_jsDisplayLink = nil;
|
|
|
|
/**
|
|
* Main Thread deallocations
|
|
*/
|
|
dispatch_async(dispatch_get_main_queue(), mainThreadInvalidate);
|
|
|
|
}];
|
|
}
|
|
|
|
#pragma mark - RCTBridge methods
|
|
|
|
/**
|
|
* Public. Can be invoked from any thread.
|
|
*/
|
|
- (void)enqueueJSCall:(NSString *)moduleDotMethod args:(NSArray *)args
|
|
{
|
|
NSArray *ids = [moduleDotMethod componentsSeparatedByString:@"."];
|
|
|
|
[self _invokeAndProcessModule:@"BatchedBridge"
|
|
method:@"callFunctionReturnFlushedQueue"
|
|
arguments:@[ids[0], ids[1], args ?: @[]]
|
|
context:RCTGetExecutorID(_javaScriptExecutor)];
|
|
}
|
|
|
|
/**
|
|
* Private hack to support `setTimeout(fn, 0)`
|
|
*/
|
|
- (void)_immediatelyCallTimer:(NSNumber *)timer
|
|
{
|
|
RCTAssertJSThread();
|
|
|
|
dispatch_block_t block = ^{
|
|
[self _actuallyInvokeAndProcessModule:@"BatchedBridge"
|
|
method:@"callFunctionReturnFlushedQueue"
|
|
arguments:@[@"JSTimersExecution", @"callTimers", @[@[timer]]]
|
|
context:RCTGetExecutorID(_javaScriptExecutor)];
|
|
};
|
|
|
|
if ([_javaScriptExecutor respondsToSelector:@selector(executeAsyncBlockOnJavaScriptQueue:)]) {
|
|
[_javaScriptExecutor executeAsyncBlockOnJavaScriptQueue:block];
|
|
} else {
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:block];
|
|
}
|
|
}
|
|
|
|
- (void)enqueueApplicationScript:(NSString *)script url:(NSURL *)url onComplete:(RCTJavaScriptCompleteBlock)onComplete
|
|
{
|
|
RCTAssert(onComplete != nil, @"onComplete block passed in should be non-nil");
|
|
|
|
RCTProfileBeginEvent();
|
|
|
|
[_javaScriptExecutor executeApplicationScript:script sourceURL:url onComplete:^(NSError *scriptLoadError) {
|
|
RCTAssertJSThread();
|
|
|
|
RCTProfileEndEvent(@"ApplicationScript", @"js_call,init", scriptLoadError);
|
|
if (scriptLoadError) {
|
|
onComplete(scriptLoadError);
|
|
return;
|
|
}
|
|
|
|
RCTProfileBeginEvent();
|
|
NSNumber *context = RCTGetExecutorID(_javaScriptExecutor);
|
|
[_javaScriptExecutor executeJSCall:@"BatchedBridge"
|
|
method:@"flushedQueue"
|
|
arguments:@[]
|
|
context:context
|
|
callback:^(id json, NSError *error) {
|
|
RCTProfileEndEvent(@"FetchApplicationScriptCallbacks", @"js_call,init", @{
|
|
@"json": RCTNullIfNil(json),
|
|
@"error": RCTNullIfNil(error),
|
|
});
|
|
|
|
[self _handleBuffer:json context:context];
|
|
|
|
onComplete(error);
|
|
}];
|
|
}];
|
|
}
|
|
|
|
#pragma mark - Payload Generation
|
|
|
|
- (void)dispatchBlock:(dispatch_block_t)block forModule:(id<RCTBridgeModule>)module
|
|
{
|
|
[self dispatchBlock:block forModuleID:RCTModuleIDsByName[RCTBridgeModuleNameForClass([module class])]];
|
|
}
|
|
|
|
- (void)dispatchBlock:(dispatch_block_t)block forModuleID:(NSNumber *)moduleID
|
|
{
|
|
RCTAssertJSThread();
|
|
|
|
id queue = nil;
|
|
if (moduleID) {
|
|
queue = _queuesByID[moduleID];
|
|
}
|
|
|
|
if (queue == (id)kCFNull) {
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:block];
|
|
} else {
|
|
dispatch_async(queue ?: _methodQueue, block);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Called by enqueueJSCall from any thread, or from _immediatelyCallTimer,
|
|
* on the JS thread, but only in non-batched mode.
|
|
*/
|
|
- (void)_invokeAndProcessModule:(NSString *)module method:(NSString *)method arguments:(NSArray *)args context:(NSNumber *)context
|
|
{
|
|
/**
|
|
* AnyThread
|
|
*/
|
|
|
|
RCTProfileBeginFlowEvent();
|
|
|
|
__weak RCTBatchedBridge *weakSelf = self;
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:^{
|
|
RCTProfileEndFlowEvent();
|
|
RCTProfileBeginEvent();
|
|
|
|
RCTBatchedBridge *strongSelf = weakSelf;
|
|
if (!strongSelf.isValid || !strongSelf->_scheduledCallbacks || !strongSelf->_scheduledCalls) {
|
|
return;
|
|
}
|
|
|
|
|
|
RCT_IF_DEV(NSNumber *callID = _RCTProfileBeginFlowEvent();)
|
|
id call = @{
|
|
@"js_args": @{
|
|
@"module": module,
|
|
@"method": method,
|
|
@"args": args,
|
|
},
|
|
@"context": context ?: @0,
|
|
RCT_IF_DEV(@"call_id": callID,)
|
|
};
|
|
if ([method isEqualToString:@"invokeCallbackAndReturnFlushedQueue"]) {
|
|
strongSelf->_scheduledCallbacks[args[0]] = call;
|
|
} else {
|
|
[strongSelf->_scheduledCalls addObject:call];
|
|
}
|
|
|
|
RCTProfileEndEvent(@"enqueue_call", @"objc_call", call);
|
|
}];
|
|
}
|
|
|
|
- (void)_actuallyInvokeAndProcessModule:(NSString *)module method:(NSString *)method arguments:(NSArray *)args context:(NSNumber *)context
|
|
{
|
|
RCTAssertJSThread();
|
|
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTEnqueueNotification object:nil userInfo:nil];
|
|
|
|
RCTJavaScriptCallback processResponse = ^(id json, __unused NSError *error) {
|
|
if (!self.isValid) {
|
|
return;
|
|
}
|
|
[[NSNotificationCenter defaultCenter] postNotificationName:RCTDequeueNotification object:nil userInfo:nil];
|
|
[self _handleBuffer:json context:context];
|
|
};
|
|
|
|
[_javaScriptExecutor executeJSCall:module
|
|
method:method
|
|
arguments:args
|
|
context:context
|
|
callback:processResponse];
|
|
}
|
|
|
|
#pragma mark - Payload Processing
|
|
|
|
- (void)_handleBuffer:(id)buffer context:(NSNumber *)context
|
|
{
|
|
RCTAssertJSThread();
|
|
|
|
if (buffer == nil || buffer == (id)kCFNull) {
|
|
return;
|
|
}
|
|
|
|
NSArray *requestsArray = [RCTConvert NSArray:buffer];
|
|
|
|
#if RCT_DEBUG
|
|
|
|
if (![buffer isKindOfClass:[NSArray class]]) {
|
|
RCTLogError(@"Buffer must be an instance of NSArray, got %@", NSStringFromClass([buffer class]));
|
|
return;
|
|
}
|
|
|
|
NSUInteger bufferRowCount = [requestsArray count];
|
|
NSUInteger expectedFieldsCount = RCTBridgeFieldResponseReturnValues + 1;
|
|
|
|
if (bufferRowCount != expectedFieldsCount) {
|
|
RCTLogError(@"Must pass all fields to buffer - expected %zd, saw %zd", expectedFieldsCount, bufferRowCount);
|
|
return;
|
|
}
|
|
|
|
for (NSUInteger fieldIndex = RCTBridgeFieldRequestModuleIDs; fieldIndex <= RCTBridgeFieldParamss; fieldIndex++) {
|
|
id field = [requestsArray objectAtIndex:fieldIndex];
|
|
if (![field isKindOfClass:[NSArray class]]) {
|
|
RCTLogError(@"Field at index %zd in buffer must be an instance of NSArray, got %@", fieldIndex, NSStringFromClass([field class]));
|
|
return;
|
|
}
|
|
}
|
|
|
|
#endif
|
|
|
|
NSArray *moduleIDs = requestsArray[RCTBridgeFieldRequestModuleIDs];
|
|
NSArray *methodIDs = requestsArray[RCTBridgeFieldMethodIDs];
|
|
NSArray *paramsArrays = requestsArray[RCTBridgeFieldParamss];
|
|
|
|
NSUInteger numRequests = [moduleIDs count];
|
|
|
|
if (RCT_DEBUG && (numRequests != methodIDs.count || numRequests != paramsArrays.count)) {
|
|
RCTLogError(@"Invalid data message - all must be length: %zd", numRequests);
|
|
return;
|
|
}
|
|
|
|
NSMapTable *buckets = [[NSMapTable alloc] initWithKeyOptions:NSPointerFunctionsStrongMemory valueOptions:NSPointerFunctionsStrongMemory capacity:_queuesByID.count];
|
|
for (NSUInteger i = 0; i < numRequests; i++) {
|
|
id queue = RCTNullIfNil(_queuesByID[moduleIDs[i]]);
|
|
NSMutableOrderedSet *set = [buckets objectForKey:queue];
|
|
if (!set) {
|
|
set = [[NSMutableOrderedSet alloc] init];
|
|
[buckets setObject:set forKey:queue];
|
|
}
|
|
[set addObject:@(i)];
|
|
}
|
|
|
|
for (id queue in buckets) {
|
|
RCTProfileBeginFlowEvent();
|
|
dispatch_block_t block = ^{
|
|
RCTProfileEndFlowEvent();
|
|
RCTProfileBeginEvent();
|
|
|
|
NSOrderedSet *calls = [buckets objectForKey:queue];
|
|
@autoreleasepool {
|
|
for (NSNumber *indexObj in calls) {
|
|
NSUInteger index = indexObj.unsignedIntegerValue;
|
|
[self _handleRequestNumber:index
|
|
moduleID:[moduleIDs[index] integerValue]
|
|
methodID:[methodIDs[index] integerValue]
|
|
params:paramsArrays[index]
|
|
context:context];
|
|
}
|
|
}
|
|
|
|
RCTProfileEndEvent(RCTCurrentThreadName(), @"objc_call,dispatch_async", @{ @"calls": @(calls.count) });
|
|
};
|
|
|
|
if (queue == (id)kCFNull) {
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:block];
|
|
} else {
|
|
dispatch_async(queue, block);
|
|
}
|
|
}
|
|
|
|
// TODO: batchDidComplete is only used by RCTUIManager - can we eliminate this special case?
|
|
[_modulesByID enumerateObjectsUsingBlock:
|
|
^(id<RCTBridgeModule> module, NSNumber *moduleID, __unused BOOL *stop) {
|
|
if ([module respondsToSelector:@selector(batchDidComplete)]) {
|
|
[self dispatchBlock:^{
|
|
[module batchDidComplete];
|
|
} forModuleID:moduleID];
|
|
}
|
|
}];
|
|
}
|
|
|
|
- (BOOL)_handleRequestNumber:(NSUInteger)i
|
|
moduleID:(NSUInteger)moduleID
|
|
methodID:(NSUInteger)methodID
|
|
params:(NSArray *)params
|
|
context:(NSNumber *)context
|
|
{
|
|
if (!self.isValid) {
|
|
return NO;
|
|
}
|
|
|
|
if (RCT_DEBUG && ![params isKindOfClass:[NSArray class]]) {
|
|
RCTLogError(@"Invalid module/method/params tuple for request #%zd", i);
|
|
return NO;
|
|
}
|
|
|
|
// Look up method
|
|
NSArray *methods = RCTExportedMethodsByModuleID()[moduleID];
|
|
|
|
if (RCT_DEBUG && methodID >= methods.count) {
|
|
RCTLogError(@"Unknown methodID: %zd for module: %zd (%@)", methodID, moduleID, RCTModuleNamesByID[moduleID]);
|
|
return NO;
|
|
}
|
|
|
|
RCTProfileBeginEvent();
|
|
|
|
RCTModuleMethod *method = methods[methodID];
|
|
|
|
// Look up module
|
|
id module = self->_modulesByID[moduleID];
|
|
if (RCT_DEBUG && !module) {
|
|
RCTLogError(@"No module found for name '%@'", RCTModuleNamesByID[moduleID]);
|
|
return NO;
|
|
}
|
|
|
|
@try {
|
|
[method invokeWithBridge:self module:module arguments:params context:context];
|
|
}
|
|
@catch (NSException *exception) {
|
|
RCTLogError(@"Exception thrown while invoking %@ on target %@ with params %@: %@", method.JSMethodName, module, params, exception);
|
|
if (!RCT_DEBUG && [exception.name rangeOfString:@"Unhandled JS Exception"].location != NSNotFound) {
|
|
@throw exception;
|
|
}
|
|
}
|
|
|
|
RCTProfileEndEvent(@"Invoke callback", @"objc_call", @{
|
|
@"module": method.moduleClassName,
|
|
@"method": method.JSMethodName,
|
|
@"selector": NSStringFromSelector(method.selector),
|
|
@"args": RCTJSONStringify(RCTNullIfNil(params), NULL),
|
|
});
|
|
|
|
return YES;
|
|
}
|
|
|
|
- (void)_jsThreadUpdate:(CADisplayLink *)displayLink
|
|
{
|
|
RCTAssertJSThread();
|
|
RCTProfileBeginEvent();
|
|
|
|
RCTFrameUpdate *frameUpdate = [[RCTFrameUpdate alloc] initWithDisplayLink:displayLink];
|
|
for (id<RCTFrameUpdateObserver> observer in _frameUpdateObservers) {
|
|
if (![observer respondsToSelector:@selector(isPaused)] || ![observer isPaused]) {
|
|
RCT_IF_DEV(NSString *name = [NSString stringWithFormat:@"[%@ didUpdateFrame:%f]", observer, displayLink.timestamp];)
|
|
RCTProfileBeginFlowEvent();
|
|
[self dispatchBlock:^{
|
|
RCTProfileEndFlowEvent();
|
|
RCTProfileBeginEvent();
|
|
[observer didUpdateFrame:frameUpdate];
|
|
RCTProfileEndEvent(name, @"objc_call,fps", nil);
|
|
} forModule:(id<RCTBridgeModule>)observer];
|
|
}
|
|
}
|
|
|
|
NSArray *calls = [_scheduledCallbacks.allObjects arrayByAddingObjectsFromArray:_scheduledCalls];
|
|
NSNumber *currentExecutorID = RCTGetExecutorID(_javaScriptExecutor);
|
|
calls = [calls filteredArrayUsingPredicate:
|
|
[NSPredicate predicateWithBlock:
|
|
^BOOL(NSDictionary *call, __unused NSDictionary *bindings) {
|
|
return [call[@"context"] isEqualToNumber:currentExecutorID];
|
|
}]];
|
|
|
|
RCT_IF_DEV(
|
|
RCTProfileImmediateEvent(@"JS Thread Tick", displayLink.timestamp, @"g");
|
|
|
|
for (NSDictionary *call in calls) {
|
|
_RCTProfileEndFlowEvent(call[@"call_id"]);
|
|
}
|
|
)
|
|
|
|
if (calls.count > 0) {
|
|
_scheduledCalls = [[NSMutableArray alloc] init];
|
|
_scheduledCallbacks = [[RCTSparseArray alloc] init];
|
|
[self _actuallyInvokeAndProcessModule:@"BatchedBridge"
|
|
method:@"processBatch"
|
|
arguments:@[[calls valueForKey:@"js_args"]]
|
|
context:RCTGetExecutorID(_javaScriptExecutor)];
|
|
}
|
|
|
|
RCTProfileEndEvent(@"DispatchFrameUpdate", @"objc_call", nil);
|
|
|
|
dispatch_async(dispatch_get_main_queue(), ^{
|
|
[self.perfStats.jsGraph tick:displayLink.timestamp];
|
|
});
|
|
}
|
|
|
|
- (void)_mainThreadUpdate:(CADisplayLink *)displayLink
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
RCTProfileImmediateEvent(@"VSYNC", displayLink.timestamp, @"g");
|
|
|
|
[self.perfStats.uiGraph tick:displayLink.timestamp];
|
|
}
|
|
|
|
- (void)startProfiling
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
if (![_parentBridge.bundleURL.scheme isEqualToString:@"http"]) {
|
|
RCTLogError(@"To run the profiler you must be running from the dev server");
|
|
return;
|
|
}
|
|
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:^{
|
|
RCTProfileInit(self);
|
|
}];
|
|
}
|
|
|
|
- (void)stopProfiling
|
|
{
|
|
RCTAssertMainThread();
|
|
|
|
[_javaScriptExecutor executeBlockOnJavaScriptQueue:^{
|
|
NSString *log = RCTProfileEnd(self);
|
|
NSURL *bundleURL = _parentBridge.bundleURL;
|
|
NSString *URLString = [NSString stringWithFormat:@"%@://%@:%@/profile", bundleURL.scheme, bundleURL.host, bundleURL.port];
|
|
NSURL *URL = [NSURL URLWithString:URLString];
|
|
NSMutableURLRequest *URLRequest = [NSMutableURLRequest requestWithURL:URL];
|
|
URLRequest.HTTPMethod = @"POST";
|
|
[URLRequest setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
|
|
NSURLSessionTask *task =
|
|
[[NSURLSession sharedSession] uploadTaskWithRequest:URLRequest
|
|
fromData:[log dataUsingEncoding:NSUTF8StringEncoding]
|
|
completionHandler:
|
|
^(__unused NSData *data, __unused NSURLResponse *response, NSError *error) {
|
|
if (error) {
|
|
RCTLogError(@"%@", error.localizedDescription);
|
|
}
|
|
}];
|
|
|
|
[task resume];
|
|
}];
|
|
}
|
|
|
|
@end
|