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Respect hitTestSlop when determining if a tracked touch is inside for ASControlNode (#2896)

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GitGadd 2017-01-13 20:07:50 +01:00 committed by Adlai Holler
parent 30194fe41f
commit f52bc786c0
1 changed files with 14 additions and 2 deletions
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16
AsyncDisplayKit/ASControlNode.mm
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@ -63,6 +63,14 @@ id<NSCopying> _ASControlNodeEventKeyForControlEvent(ASControlNodeEvent controlEv
*/
void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, void (^block)(ASControlNodeEvent anEvent));
/**
@abstract Returns the expanded bounds used to determine if a touch is considered 'inside' during tracking.
@param controlNode A control node.
@result The expanded bounds of the node.
*/
CGRect _ASControlNodeGetExpandedBounds(ASControlNode *controlNode);
@end
@implementation ASControlNode
@ -158,7 +166,7 @@ void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, v
BOOL dragIsInsideBounds = [self pointInside:touchLocation withEvent:nil];
// Update our highlighted state.
CGRect expandedBounds = CGRectInset(self.view.bounds, kASControlNodeExpandedInset, kASControlNodeExpandedInset);
CGRect expandedBounds = _ASControlNodeGetExpandedBounds(self);
BOOL dragIsInsideExpandedBounds = CGRectContainsPoint(expandedBounds, touchLocation);
self.touchInside = dragIsInsideExpandedBounds;
self.highlighted = dragIsInsideExpandedBounds;
@ -216,7 +224,7 @@ void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, v
[self endTrackingWithTouch:theTouch withEvent:event];
// Send the appropriate touch-up control event.
CGRect expandedBounds = CGRectInset(self.view.bounds, kASControlNodeExpandedInset, kASControlNodeExpandedInset);
CGRect expandedBounds = _ASControlNodeGetExpandedBounds(self);
BOOL touchUpIsInsideExpandedBounds = CGRectContainsPoint(expandedBounds, touchLocation);
[self sendActionsForControlEvents:(touchUpIsInsideExpandedBounds ? ASControlNodeEventTouchUpInside : ASControlNodeEventTouchUpOutside)
@ -428,6 +436,10 @@ void _ASEnumerateControlEventsIncludedInMaskWithBlock(ASControlNodeEvent mask, v
}
}
CGRect _ASControlNodeGetExpandedBounds(ASControlNode *controlNode) {
return CGRectInset(UIEdgeInsetsInsetRect(controlNode.view.bounds, controlNode.hitTestSlop), kASControlNodeExpandedInset, kASControlNodeExpandedInset);
}
#pragma mark - For Subclasses
- (BOOL)beginTrackingWithTouch:(UITouch *)touch withEvent:(UIEvent *)touchEvent
{