#import @protocol TGModernGalleryScrollViewDelegate - (bool)scrollViewShouldScrollWithTouchAtPoint:(CGPoint)point; - (void)scrollViewBoundsChanged:(CGRect)bounds; @end @interface TGModernGalleryScrollView : UIScrollView @property (nonatomic, weak) id scrollDelegate; - (void)setFrameAndBoundsInTransaction:(CGRect)frame bounds:(CGRect)bounds; @end