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