478 lines
17 KiB
Objective-C
478 lines
17 KiB
Objective-C
/**
|
|
* Copyright (c) 2015-present, Facebook, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* This source code is licensed under the BSD-style license found in the
|
|
* LICENSE file in the root directory of this source tree. An additional grant
|
|
* of patent rights can be found in the PATENTS file in the same directory.
|
|
*/
|
|
|
|
#import "RCTComponentData.h"
|
|
|
|
#import <objc/message.h>
|
|
|
|
#import "RCTBridge.h"
|
|
#import "RCTConvert.h"
|
|
#import "RCTShadowView.h"
|
|
#import "RCTUtils.h"
|
|
#import "UIView+React.h"
|
|
#import "RCTBridgeModule.h"
|
|
|
|
typedef void (^RCTPropBlock)(id<RCTComponent> view, id json);
|
|
|
|
@interface RCTComponentProp : NSObject
|
|
|
|
@property (nonatomic, copy, readonly) NSString *type;
|
|
@property (nonatomic, copy) RCTPropBlock propBlock;
|
|
|
|
@end
|
|
|
|
@implementation RCTComponentProp
|
|
|
|
- (instancetype)initWithType:(NSString *)type
|
|
{
|
|
if ((self = [super init])) {
|
|
_type = [type copy];
|
|
}
|
|
return self;
|
|
}
|
|
|
|
@end
|
|
|
|
@implementation RCTComponentData
|
|
{
|
|
id<RCTComponent> _defaultView; // Only needed for RCT_CUSTOM_VIEW_PROPERTY
|
|
NSMutableDictionary<NSString *, RCTPropBlock> *_viewPropBlocks;
|
|
NSMutableDictionary<NSString *, RCTPropBlock> *_shadowPropBlocks;
|
|
BOOL _implementsUIBlockToAmendWithShadowViewRegistry;
|
|
__weak RCTBridge *_bridge;
|
|
}
|
|
|
|
@synthesize manager = _manager;
|
|
|
|
- (instancetype)initWithManagerClass:(Class)managerClass
|
|
bridge:(RCTBridge *)bridge
|
|
{
|
|
if ((self = [super init])) {
|
|
_bridge = bridge;
|
|
_managerClass = managerClass;
|
|
_viewPropBlocks = [NSMutableDictionary new];
|
|
_shadowPropBlocks = [NSMutableDictionary new];
|
|
|
|
// Hackety hack, this partially re-implements RCTBridgeModuleNameForClass
|
|
// We want to get rid of RCT and RK prefixes, but a lot of JS code still references
|
|
// view names by prefix. So, while RCTBridgeModuleNameForClass now drops these
|
|
// prefixes by default, we'll still keep them around here.
|
|
NSString *name = [managerClass moduleName];
|
|
if (name.length == 0) {
|
|
name = NSStringFromClass(managerClass);
|
|
}
|
|
if ([name hasPrefix:@"RK"]) {
|
|
name = [name stringByReplacingCharactersInRange:(NSRange){0, @"RK".length} withString:@"RCT"];
|
|
}
|
|
if ([name hasSuffix:@"Manager"]) {
|
|
name = [name substringToIndex:name.length - @"Manager".length];
|
|
}
|
|
|
|
RCTAssert(name.length, @"Invalid moduleName '%@'", name);
|
|
_name = name;
|
|
|
|
_implementsUIBlockToAmendWithShadowViewRegistry = NO;
|
|
Class cls = _managerClass;
|
|
while (cls != [RCTViewManager class]) {
|
|
_implementsUIBlockToAmendWithShadowViewRegistry = _implementsUIBlockToAmendWithShadowViewRegistry ||
|
|
RCTClassOverridesInstanceMethod(cls, @selector(uiBlockToAmendWithShadowViewRegistry:));
|
|
cls = [cls superclass];
|
|
}
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (RCTViewManager *)manager
|
|
{
|
|
if (!_manager) {
|
|
_manager = [_bridge moduleForClass:_managerClass];
|
|
}
|
|
return _manager;
|
|
}
|
|
|
|
RCT_NOT_IMPLEMENTED(- (instancetype)init)
|
|
|
|
- (UIView *)createViewWithTag:(NSNumber *)tag
|
|
{
|
|
RCTAssertMainQueue();
|
|
|
|
UIView *view = [self.manager view];
|
|
view.reactTag = tag;
|
|
view.multipleTouchEnabled = YES;
|
|
view.userInteractionEnabled = YES; // required for touch handling
|
|
view.layer.allowsGroupOpacity = YES; // required for touch handling
|
|
return view;
|
|
}
|
|
|
|
- (RCTShadowView *)createShadowViewWithTag:(NSNumber *)tag
|
|
{
|
|
RCTShadowView *shadowView = [self.manager shadowView];
|
|
shadowView.reactTag = tag;
|
|
shadowView.viewName = _name;
|
|
return shadowView;
|
|
}
|
|
|
|
- (RCTPropBlock)propBlockForKey:(NSString *)name
|
|
inDictionary:(NSMutableDictionary<NSString *, RCTPropBlock> *)propBlocks
|
|
{
|
|
BOOL shadowView = (propBlocks == _shadowPropBlocks);
|
|
RCTPropBlock propBlock = propBlocks[name];
|
|
if (!propBlock) {
|
|
|
|
__weak RCTComponentData *weakSelf = self;
|
|
|
|
// Get type
|
|
SEL type = NULL;
|
|
NSString *keyPath = nil;
|
|
SEL selector = NSSelectorFromString([NSString stringWithFormat:@"propConfig%@_%@", shadowView ? @"Shadow" : @"", name]);
|
|
if ([_managerClass respondsToSelector:selector]) {
|
|
NSArray<NSString *> *typeAndKeyPath =
|
|
((NSArray<NSString *> *(*)(id, SEL))objc_msgSend)(_managerClass, selector);
|
|
type = RCTConvertSelectorForType(typeAndKeyPath[0]);
|
|
keyPath = typeAndKeyPath.count > 1 ? typeAndKeyPath[1] : nil;
|
|
} else {
|
|
propBlock = ^(__unused id view, __unused id json) {};
|
|
propBlocks[name] = propBlock;
|
|
return propBlock;
|
|
}
|
|
|
|
// Check for custom setter
|
|
if ([keyPath isEqualToString:@"__custom__"]) {
|
|
|
|
// Get custom setter
|
|
SEL customSetter = NSSelectorFromString([NSString stringWithFormat:@"set_%@:for%@View:withDefaultView:", name, shadowView ? @"Shadow" : @""]);
|
|
|
|
propBlock = ^(id<RCTComponent> view, id json) {
|
|
RCTComponentData *strongSelf = weakSelf;
|
|
if (!strongSelf) {
|
|
return;
|
|
}
|
|
json = RCTNilIfNull(json);
|
|
if (!json && !strongSelf->_defaultView) {
|
|
// Only create default view if json is null
|
|
strongSelf->_defaultView = [strongSelf createViewWithTag:nil];
|
|
}
|
|
((void (*)(id, SEL, id, id, id))objc_msgSend)(
|
|
strongSelf.manager, customSetter, json, view, strongSelf->_defaultView
|
|
);
|
|
};
|
|
|
|
} else {
|
|
|
|
// Disect keypath
|
|
NSString *key = name;
|
|
NSArray<NSString *> *parts = [keyPath componentsSeparatedByString:@"."];
|
|
if (parts) {
|
|
key = parts.lastObject;
|
|
parts = [parts subarrayWithRange:(NSRange){0, parts.count - 1}];
|
|
}
|
|
|
|
// Get property getter
|
|
SEL getter = NSSelectorFromString(key);
|
|
|
|
// Get property setter
|
|
SEL setter = NSSelectorFromString([NSString stringWithFormat:@"set%@%@:",
|
|
[key substringToIndex:1].uppercaseString,
|
|
[key substringFromIndex:1]]);
|
|
|
|
// Build setter block
|
|
void (^setterBlock)(id target, id json) = nil;
|
|
if (type == NSSelectorFromString(@"RCTBubblingEventBlock:") ||
|
|
type == NSSelectorFromString(@"RCTDirectEventBlock:")) {
|
|
|
|
// Special case for event handlers
|
|
__weak RCTViewManager *weakManager = self.manager;
|
|
setterBlock = ^(id target, id json) {
|
|
__weak id<RCTComponent> weakTarget = target;
|
|
((void (*)(id, SEL, id))objc_msgSend)(target, setter, [RCTConvert BOOL:json] ? ^(NSDictionary *body) {
|
|
body = [NSMutableDictionary dictionaryWithDictionary:body];
|
|
((NSMutableDictionary *)body)[@"target"] = weakTarget.reactTag;
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
|
[weakManager.bridge.eventDispatcher sendInputEventWithName:RCTNormalizeInputEventName(name) body:body];
|
|
#pragma clang diagnostic pop
|
|
} : nil);
|
|
};
|
|
|
|
} else {
|
|
|
|
// Ordinary property handlers
|
|
NSMethodSignature *typeSignature = [[RCTConvert class] methodSignatureForSelector:type];
|
|
if (!typeSignature) {
|
|
RCTLogError(@"No +[RCTConvert %@] function found.", NSStringFromSelector(type));
|
|
return ^(__unused id<RCTComponent> view, __unused id json){};
|
|
}
|
|
switch (typeSignature.methodReturnType[0]) {
|
|
|
|
#define RCT_CASE(_value, _type) \
|
|
case _value: { \
|
|
__block BOOL setDefaultValue = NO; \
|
|
__block _type defaultValue; \
|
|
_type (*convert)(id, SEL, id) = (typeof(convert))objc_msgSend; \
|
|
_type (*get)(id, SEL) = (typeof(get))objc_msgSend; \
|
|
void (*set)(id, SEL, _type) = (typeof(set))objc_msgSend; \
|
|
setterBlock = ^(id target, id json) { \
|
|
if (json) { \
|
|
if (!setDefaultValue && target) { \
|
|
if ([target respondsToSelector:getter]) { \
|
|
defaultValue = get(target, getter); \
|
|
} \
|
|
setDefaultValue = YES; \
|
|
} \
|
|
set(target, setter, convert([RCTConvert class], type, json)); \
|
|
} else if (setDefaultValue) { \
|
|
set(target, setter, defaultValue); \
|
|
} \
|
|
}; \
|
|
break; \
|
|
}
|
|
|
|
RCT_CASE(_C_SEL, SEL)
|
|
RCT_CASE(_C_CHARPTR, const char *)
|
|
RCT_CASE(_C_CHR, char)
|
|
RCT_CASE(_C_UCHR, unsigned char)
|
|
RCT_CASE(_C_SHT, short)
|
|
RCT_CASE(_C_USHT, unsigned short)
|
|
RCT_CASE(_C_INT, int)
|
|
RCT_CASE(_C_UINT, unsigned int)
|
|
RCT_CASE(_C_LNG, long)
|
|
RCT_CASE(_C_ULNG, unsigned long)
|
|
RCT_CASE(_C_LNG_LNG, long long)
|
|
RCT_CASE(_C_ULNG_LNG, unsigned long long)
|
|
RCT_CASE(_C_FLT, float)
|
|
RCT_CASE(_C_DBL, double)
|
|
RCT_CASE(_C_BOOL, BOOL)
|
|
RCT_CASE(_C_PTR, void *)
|
|
RCT_CASE(_C_ID, id)
|
|
|
|
case _C_STRUCT_B:
|
|
default: {
|
|
|
|
NSInvocation *typeInvocation = [NSInvocation invocationWithMethodSignature:typeSignature];
|
|
typeInvocation.selector = type;
|
|
typeInvocation.target = [RCTConvert class];
|
|
|
|
__block NSInvocation *targetInvocation = nil;
|
|
__block NSMutableData *defaultValue = nil;
|
|
|
|
setterBlock = ^(id target, id json) { \
|
|
|
|
if (!target) {
|
|
return;
|
|
}
|
|
|
|
// Get default value
|
|
if (!defaultValue) {
|
|
if (!json) {
|
|
// We only set the defaultValue when we first pass a non-null
|
|
// value, so if the first value sent for a prop is null, it's
|
|
// a no-op (we'd be resetting it to its default when its
|
|
// value is already the default).
|
|
return;
|
|
}
|
|
// Use NSMutableData to store defaultValue instead of malloc, so
|
|
// it will be freed automatically when setterBlock is released.
|
|
defaultValue = [[NSMutableData alloc] initWithLength:typeSignature.methodReturnLength];
|
|
if ([target respondsToSelector:getter]) {
|
|
NSMethodSignature *signature = [target methodSignatureForSelector:getter];
|
|
NSInvocation *sourceInvocation = [NSInvocation invocationWithMethodSignature:signature];
|
|
sourceInvocation.selector = getter;
|
|
[sourceInvocation invokeWithTarget:target];
|
|
[sourceInvocation getReturnValue:defaultValue.mutableBytes];
|
|
}
|
|
}
|
|
|
|
// Get value
|
|
BOOL freeValueOnCompletion = NO;
|
|
void *value = defaultValue.mutableBytes;
|
|
if (json) {
|
|
freeValueOnCompletion = YES;
|
|
value = malloc(typeSignature.methodReturnLength);
|
|
[typeInvocation setArgument:&json atIndex:2];
|
|
[typeInvocation invoke];
|
|
[typeInvocation getReturnValue:value];
|
|
}
|
|
|
|
// Set value
|
|
if (!targetInvocation) {
|
|
NSMethodSignature *signature = [target methodSignatureForSelector:setter];
|
|
targetInvocation = [NSInvocation invocationWithMethodSignature:signature];
|
|
targetInvocation.selector = setter;
|
|
}
|
|
[targetInvocation setArgument:value atIndex:2];
|
|
[targetInvocation invokeWithTarget:target];
|
|
if (freeValueOnCompletion) {
|
|
// Only free the value if we `malloc`d it locally, otherwise it
|
|
// points to `defaultValue.mutableBytes`, which is managed by ARC.
|
|
free(value);
|
|
}
|
|
};
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
propBlock = ^(__unused id view, __unused id json) {
|
|
|
|
// Follow keypath
|
|
id target = view;
|
|
for (NSString *part in parts) {
|
|
target = [target valueForKey:part];
|
|
}
|
|
|
|
// Set property with json
|
|
setterBlock(target, RCTNilIfNull(json));
|
|
};
|
|
}
|
|
|
|
if (RCT_DEBUG) {
|
|
|
|
// Provide more useful log feedback if there's an error
|
|
RCTPropBlock unwrappedBlock = propBlock;
|
|
propBlock = ^(id<RCTComponent> view, id json) {
|
|
NSString *logPrefix = [NSString stringWithFormat:
|
|
@"Error setting property '%@' of %@ with tag #%@: ",
|
|
name, weakSelf.name, view.reactTag];
|
|
|
|
RCTPerformBlockWithLogPrefix(^{ unwrappedBlock(view, json); }, logPrefix);
|
|
};
|
|
}
|
|
|
|
propBlocks[name] = [propBlock copy];
|
|
}
|
|
return propBlock;
|
|
}
|
|
|
|
- (void)setProps:(NSDictionary<NSString *, id> *)props forView:(id<RCTComponent>)view
|
|
{
|
|
if (!view) {
|
|
return;
|
|
}
|
|
|
|
[props enumerateKeysAndObjectsUsingBlock:^(NSString *key, id json, __unused BOOL *stop) {
|
|
[self propBlockForKey:key inDictionary:self->_viewPropBlocks](view, json);
|
|
}];
|
|
|
|
if ([view respondsToSelector:@selector(didSetProps:)]) {
|
|
[view didSetProps:[props allKeys]];
|
|
}
|
|
}
|
|
|
|
- (void)setProps:(NSDictionary<NSString *, id> *)props forShadowView:(RCTShadowView *)shadowView
|
|
{
|
|
if (!shadowView) {
|
|
return;
|
|
}
|
|
|
|
[props enumerateKeysAndObjectsUsingBlock:^(NSString *key, id json, __unused BOOL *stop) {
|
|
[self propBlockForKey:key inDictionary:self->_shadowPropBlocks](shadowView, json);
|
|
}];
|
|
|
|
if ([shadowView respondsToSelector:@selector(didSetProps:)]) {
|
|
[shadowView didSetProps:[props allKeys]];
|
|
}
|
|
}
|
|
|
|
- (NSDictionary<NSString *, id> *)viewConfig
|
|
{
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
|
NSMutableArray<NSString *> *directEvents = [NSMutableArray new];
|
|
if (RCTClassOverridesInstanceMethod(_managerClass, @selector(customDirectEventTypes))) {
|
|
NSArray<NSString *> *events = [self.manager customDirectEventTypes];
|
|
#pragma clang diagnostic pop
|
|
if (RCT_DEBUG) {
|
|
RCTAssert(!events || [events isKindOfClass:[NSArray class]],
|
|
@"customDirectEventTypes must return an array, but %@ returned %@",
|
|
_managerClass, [events class]);
|
|
}
|
|
for (NSString *event in events) {
|
|
[directEvents addObject:RCTNormalizeInputEventName(event)];
|
|
}
|
|
}
|
|
|
|
#pragma clang diagnostic push
|
|
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
|
NSMutableArray<NSString *> *bubblingEvents = [NSMutableArray new];
|
|
if (RCTClassOverridesInstanceMethod(_managerClass, @selector(customBubblingEventTypes))) {
|
|
#pragma clang diagnostic pop
|
|
NSArray<NSString *> *events = [self.manager customBubblingEventTypes];
|
|
if (RCT_DEBUG) {
|
|
RCTAssert(!events || [events isKindOfClass:[NSArray class]],
|
|
@"customBubblingEventTypes must return an array, but %@ returned %@",
|
|
_managerClass, [events class]);
|
|
}
|
|
for (NSString *event in events) {
|
|
[bubblingEvents addObject:RCTNormalizeInputEventName(event)];
|
|
}
|
|
}
|
|
|
|
unsigned int count = 0;
|
|
NSMutableDictionary *propTypes = [NSMutableDictionary new];
|
|
Method *methods = class_copyMethodList(object_getClass(_managerClass), &count);
|
|
for (unsigned int i = 0; i < count; i++) {
|
|
Method method = methods[i];
|
|
SEL selector = method_getName(method);
|
|
NSString *methodName = NSStringFromSelector(selector);
|
|
if ([methodName hasPrefix:@"propConfig"]) {
|
|
NSRange nameRange = [methodName rangeOfString:@"_"];
|
|
if (nameRange.length) {
|
|
NSString *name = [methodName substringFromIndex:nameRange.location + 1];
|
|
NSString *type = ((NSArray<NSString *> *(*)(id, SEL))objc_msgSend)(_managerClass, selector)[0];
|
|
if (RCT_DEBUG && propTypes[name] && ![propTypes[name] isEqualToString:type]) {
|
|
RCTLogError(@"Property '%@' of component '%@' redefined from '%@' "
|
|
"to '%@'", name, _name, propTypes[name], type);
|
|
}
|
|
|
|
if ([type isEqualToString:@"RCTBubblingEventBlock"]) {
|
|
[bubblingEvents addObject:RCTNormalizeInputEventName(name)];
|
|
propTypes[name] = @"BOOL";
|
|
} else if ([type isEqualToString:@"RCTDirectEventBlock"]) {
|
|
[directEvents addObject:RCTNormalizeInputEventName(name)];
|
|
propTypes[name] = @"BOOL";
|
|
} else {
|
|
propTypes[name] = type;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
free(methods);
|
|
|
|
if (RCT_DEBUG) {
|
|
for (NSString *event in directEvents) {
|
|
if ([bubblingEvents containsObject:event]) {
|
|
RCTLogError(@"Component '%@' registered '%@' as both a bubbling event "
|
|
"and a direct event", _name, event);
|
|
}
|
|
}
|
|
for (NSString *event in bubblingEvents) {
|
|
if ([directEvents containsObject:event]) {
|
|
RCTLogError(@"Component '%@' registered '%@' as both a bubbling event "
|
|
"and a direct event", _name, event);
|
|
}
|
|
}
|
|
}
|
|
|
|
return @{
|
|
@"propTypes" : propTypes,
|
|
@"directEvents" : directEvents,
|
|
@"bubblingEvents" : bubblingEvents,
|
|
};
|
|
}
|
|
|
|
- (RCTViewManagerUIBlock)uiBlockToAmendWithShadowViewRegistry:(NSDictionary<NSNumber *, RCTShadowView *> *)registry
|
|
{
|
|
if (_implementsUIBlockToAmendWithShadowViewRegistry) {
|
|
return [[self manager] uiBlockToAmendWithShadowViewRegistry:registry];
|
|
}
|
|
return nil;
|
|
}
|
|
|
|
@end
|