Bark/View/BKButton.swift

//
//  BKButton.swift
//  Bark
//
//  Created by huangfeng on 2020/9/23.
//  Copyright © 2020 Fin. All rights reserved.
//

import UIKit

protocol AlignmentRectInsetsOverridable: AnyObject {
    var alignmentRectInsetsOverride: UIEdgeInsets? { get set }
}

protocol HitTestSlopable: AnyObject {
    var hitTestSlop: UIEdgeInsets { get set }
}

class BKButton: UIButton, HitTestSlopable, AlignmentRectInsetsOverridable {
    var hitTestSlop = UIEdgeInsets.zero
    override func point(inside point: CGPoint, with event: UIEvent?) -> Bool {
        if hitTestSlop == UIEdgeInsets.zero {
            return super.point(inside: point, with: event)
        }
        else {
            return self.bounds.inset(by: hitTestSlop).contains(point)
        }
    }

    var alignmentRectInsetsOverride: UIEdgeInsets?
    override var alignmentRectInsets: UIEdgeInsets {
        return alignmentRectInsetsOverride ?? super.alignmentRectInsets
    }
}