0675dd924d
Reviewed By: passy Differential Revision: D17863711 fbshipit-source-id: 259dc77826fb803ff1b88c88529d7f679d3b74d8
63 lines
1.6 KiB
Objective-C
63 lines
1.6 KiB
Objective-C
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#if FB_SONARKIT_ENABLED
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#import "SKTouch.h"
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#import "SKNodeDescriptor.h"
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@implementation SKTouch
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{
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SKTouchFinishDelegate _onFinish;
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NSMutableArray<NSString *> *_path;
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CGPoint _currentTouchPoint;
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id<NSObject> _currentNode;
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SKDescriptorMapper *_descriptorMapper;
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}
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- (instancetype)initWithTouchPoint:(CGPoint)touchPoint
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withRootNode:(id<NSObject>)node
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withDescriptorMapper:(SKDescriptorMapper *)mapper
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finishWithBlock:(SKTouchFinishDelegate)finishBlock {
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if (self = [super init]) {
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_onFinish = finishBlock;
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_currentTouchPoint = touchPoint;
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_currentNode = node;
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_descriptorMapper = mapper;
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_path = [NSMutableArray new];
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}
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return self;
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}
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- (void)continueWithChildIndex:(NSUInteger)childIndex withOffset:(CGPoint)offset {
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_currentTouchPoint.x -= offset.x;
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_currentTouchPoint.y -= offset.y;
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SKNodeDescriptor *descriptor = [_descriptorMapper descriptorForClass: [_currentNode class]];
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_currentNode = [descriptor childForNode: _currentNode atIndex: childIndex];
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descriptor = [_descriptorMapper descriptorForClass: [_currentNode class]];
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[_path addObject: [descriptor identifierForNode: _currentNode]];
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[descriptor hitTest: self forNode: _currentNode];
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}
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- (void)finish {
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_onFinish(_path);
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}
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- (BOOL)containedIn:(CGRect)bounds {
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return CGRectContainsPoint(bounds, _currentTouchPoint);
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}
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@end
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#endif
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