text: //
  //  SpringTableHeaderView.h
  //  SpringTableHeader
  //
  //  Created by Wayne on 2018/6/14.
  //  Copyright © 2018年 Wayne. All rights reserved.
  //
  
  #import <UIKit/UIKit.h>
  
  @class SpringTableHeaderView;
  
  @protocol SpringTableHeaderViewDelegate <NSObject>
  
  @optional
  - (void)headerView:(SpringTableHeaderView *)headView percentageOfStretching:(CGFloat)percentage;
  
  @end
  
  /**
   SpringTableHeaderView 作为一个容器视图，其内容需要 contentView 进行填充。
   */
  @interface SpringTableHeaderView : UIView
  
  @property (nonatomic, weak) id<SpringTableHeaderViewDelegate> delegate;
  
  /**
   Header 的固有高度，应在在添加视图之前设置这个值。
   默认为 0.
   */
  @property (nonatomic, assign) CGFloat intrinsicContentHeight;
  
  @property (nonatomic, strong) __kindof UIView *contentView;
  
  @end
  