GT2/GT2-iOS/node_modules/react-native-gesture-handler/ios/RNGestureHandlerModule.m

174 lines
4.6 KiB
Objective-C

#import "RNGestureHandlerModule.h"
#import <React/RCTLog.h>
#import <React/RCTViewManager.h>
#import <React/RCTComponent.h>
#import <React/RCTUIManager.h>
#import <React/RCTUIManagerUtils.h>
#import <React/RCTUIManagerObserverCoordinator.h>
#import "RNGestureHandlerState.h"
#import "RNGestureHandler.h"
#import "RNGestureHandlerManager.h"
#import "RNGestureHandlerButton.h"
@interface RNGestureHandlerModule () <RCTUIManagerObserver>
@end
@interface RNGestureHandlerButtonManager : RCTViewManager
@end
@implementation RNGestureHandlerButtonManager
RCT_EXPORT_MODULE(RNGestureHandlerButton)
RCT_EXPORT_VIEW_PROPERTY(enabled, BOOL)
- (UIView *)view
{
return [RNGestureHandlerButton new];
}
@end
typedef void (^GestureHandlerOperation)(RNGestureHandlerManager *manager);
@implementation RNGestureHandlerModule
{
RNGestureHandlerManager *_manager;
// Oparations called after views have been updated.
NSMutableArray<GestureHandlerOperation> *_operations;
}
RCT_EXPORT_MODULE()
+ (BOOL)requiresMainQueueSetup
{
return YES;
}
- (void)invalidate
{
_manager = nil;
[self.bridge.uiManager.observerCoordinator removeObserver:self];
}
- (dispatch_queue_t)methodQueue
{
// This module needs to be on the same queue as the UIManager to avoid
// having to lock `_operations` and `_preOperations` since `uiManagerWillFlushUIBlocks`
// will be called from that queue.
// This is required as this module rely on having all the view nodes created before
// gesture handlers can be associated with them
return RCTGetUIManagerQueue();
}
- (void)setBridge:(RCTBridge *)bridge
{
[super setBridge:bridge];
_manager = [[RNGestureHandlerManager alloc]
initWithUIManager:bridge.uiManager
eventDispatcher:bridge.eventDispatcher];
_operations = [NSMutableArray new];
[bridge.uiManager.observerCoordinator addObserver:self];
}
RCT_EXPORT_METHOD(createGestureHandler:(nonnull NSString *)handlerName tag:(nonnull NSNumber *)handlerTag config:(NSDictionary *)config)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager createGestureHandler:handlerName tag:handlerTag config:config];
}];
}
RCT_EXPORT_METHOD(attachGestureHandler:(nonnull NSNumber *)handlerTag toViewWithTag:(nonnull NSNumber *)viewTag)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager attachGestureHandler:handlerTag toViewWithTag:viewTag];
}];
}
RCT_EXPORT_METHOD(updateGestureHandler:(nonnull NSNumber *)handlerTag config:(NSDictionary *)config)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager updateGestureHandler:handlerTag config:config];
}];
}
RCT_EXPORT_METHOD(dropGestureHandler:(nonnull NSNumber *)handlerTag)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager dropGestureHandler:handlerTag];
}];
}
RCT_EXPORT_METHOD(handleSetJSResponder:(nonnull NSNumber *)viewTag blockNativeResponder:(nonnull NSNumber *)blockNativeResponder)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager handleSetJSResponder:viewTag blockNativeResponder:blockNativeResponder];
}];
}
RCT_EXPORT_METHOD(handleClearJSResponder)
{
[self addOperationBlock:^(RNGestureHandlerManager *manager) {
[manager handleClearJSResponder];
}];
}
#pragma mark -- Batch handling
- (void)addOperationBlock:(GestureHandlerOperation)operation
{
[_operations addObject:operation];
}
#pragma mark - RCTUIManagerObserver
- (void)uiManagerWillFlushUIBlocks:(RCTUIManager *)uiManager
{
if (_operations.count == 0) {
return;
}
NSArray<GestureHandlerOperation> *operations = _operations;
_operations = [NSMutableArray new];
[uiManager addUIBlock:^(__unused RCTUIManager *manager, __unused NSDictionary<NSNumber *, UIView *> *viewRegistry) {
for (GestureHandlerOperation operation in operations) {
operation(self->_manager);
}
}];
}
#pragma mark Events
- (NSArray<NSString *> *)supportedEvents
{
return @[@"onGestureHandlerEvent", @"onGestureHandlerStateChange"];
}
#pragma mark Module Constants
- (NSDictionary *)constantsToExport
{
return @{ @"State": @{
@"UNDETERMINED": @(RNGestureHandlerStateUndetermined),
@"BEGAN": @(RNGestureHandlerStateBegan),
@"ACTIVE": @(RNGestureHandlerStateActive),
@"CANCELLED": @(RNGestureHandlerStateCancelled),
@"FAILED": @(RNGestureHandlerStateFailed),
@"END": @(RNGestureHandlerStateEnd)
}
};
}
@end