gistfile1.txt

@implementation FBStoryView
{
  FBHeaderView *_headerView;
  FBMessageView *_messageView;
  FBAttachmentView *_attachmentView;
  FBLikeBarView *_likeBarView;
}

- (instancetype)initWithFrame:(CGRect)frame
{
  if (self = [super initWithFrame:frame]) {
    _headerView = [[FBHeaderView alloc] init];
    _messageView = [[FBMessageView alloc] init];
    _attachmentView = [[FBAttachmentView alloc] init];
    _likeBarView = [[FBLikeBarView alloc] init];

    [self addSubview:_headerView];
    [self addSubview:_messageView];
    [self addSubview:_attachmentView];
    [self addSubview:_likeBarView];
  }
  return self;
}

- (CGSize)sizeThatFits:(CGSize)size
{
  return CGSizeMake(size.width,
                    [_headerView sizeThatFits:CGSizeMake(size.width, CGFLOAT_MAX)].height
                    + [_messageView sizeThatFits:CGSizeMake(size.width, CGFLOAT_MAX)].height
                    + [_attachmentView sizeThatFits:CGSizeMake(size.width, CGFLOAT_MAX)].height
                    + [_likeBarView sizeThatFits:CGSizeMake(size.width, CGFLOAT_MAX)].height);
}

- (void)layoutSubviews
{
  CGFloat width = [self bounds].size.width;
  CGFloat y = 0;
  CGFloat headerHeight = [_headerView sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)].height;
  [_headerView setFrame:CGRectMake(0, y, width, headerHeight)];
  y += headerHeight;
  CGFloat messageHeight = [_messageView sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)].height;
  [_messageView setFrame:CGRectMake(0, y, width, messageHeight)];
  y += messageHeight;
  CGFloat attachmentHeight = [_attachmentView sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)].height;
  [_attachmentView setFrame:CGRectMake(0, y, width, attachmentHeight)];
  y += attachmentHeight;
  CGFloat likeBarHeight = [_likeBarView sizeThatFits:CGSizeMake(width, CGFLOAT_MAX)].height;
  [_likeBarView setFrame:CGRectMake(0, y, width, likeBarHeight)];
  y += likeBarHeight;
}

@end