ExtendedCollectionView.h

//
//  ExtendedCollectionView.h
//
//  Created by Frank Schmitt on 7/11/14.
//

@interface ExtendedCollectionView : UICollectionView

@property (nonatomic) UIEdgeInsets touchAreaInsets;

@end

ExtendedCollectionView.m

//
//  ExtendedCollectionView.m
//
//  Created by Frank Schmitt on 7/11/14.
//

#import "ExtendedCollectionView.h"

@implementation ExtendedCollectionView

- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
    CGRect extendedBounds = UIEdgeInsetsInsetRect(self.bounds, self.touchAreaInsets);
    
    return CGRectContainsPoint(extendedBounds, point);
}

- (CGRect)_visibleBounds {
    return UIEdgeInsetsInsetRect(self.bounds, self.touchAreaInsets);
}

@end