space-ios/Libraries external/TOScrollBar/UIScrollView+TOScrollBar.m

//
//  UIScrollView+TOScrollBar.m
//
//  Copyright 2016 Timothy Oliver. All rights reserved.
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to
//  deal in the Software without restriction, including without limitation the
//  rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
//  sell copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in
//  all copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
//  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
//  WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
//  IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

#import <objc/runtime.h>
#import "UIScrollView+TOScrollBar.h"
#import "TOScrollBar.h"

static void * TOScrollBarPropertyKey = &TOScrollBarPropertyKey;

@implementation UIScrollView (TOScrollBar)

- (TOScrollBar *)to_scrollBar
{
    return objc_getAssociatedObject(self, TOScrollBarPropertyKey);
}

- (void)setTo_scrollBar:(TOScrollBar *)scrollBar
{
    objc_setAssociatedObject(self, TOScrollBarPropertyKey, scrollBar, OBJC_ASSOCIATION_RETAIN);
}

- (void)to_addScrollBar:(TOScrollBar *)scrollBar
{
    [scrollBar addToScrollView:self];
}

- (void)to_removeScrollbar
{
    [self.to_scrollBar removeFromScrollView];
}

@end