Capture target content offset when using scrollToRowAtIndexPath

BaseTableView.m

//
//  BaseTableView.m
//
//  Created by pronebird on 1/12/16.
//  Copyright © 2016 pronebird. All rights reserved.
//

@interface BaseTableView ()

@property (nonatomic) BOOL isCallingFromScrollToRowAtIndexPath;
@property (nonatomic) CGPoint scrollToRowOffset;

@end

@implementation BaseTableView

- (void)setContentOffset:(CGPoint)contentOffset animated:(BOOL)animated {
    if(self.isCallingFromScrollToRowAtIndexPath) {
        self.scrollToRowOffset = contentOffset;
    }
    
    [super setContentOffset:contentOffset animated:animated];
}

- (CGPoint)scrollToRowAtIndexPathAndReturnTargetOffset:(NSIndexPath *)indexPath
                                      atScrollPosition:(UITableViewScrollPosition)scrollPosition
                                              animated:(BOOL)animated
{
    [self scrollToRowAtIndexPath:indexPath atScrollPosition:scrollPosition animated:animated];
    
    return self.scrollToRowOffset;
}

- (void)scrollToRowAtIndexPath:(NSIndexPath *)indexPath atScrollPosition:(UITableViewScrollPosition)scrollPosition animated:(BOOL)animated {
    self.isCallingFromScrollToRowAtIndexPath = YES;
    
    [super scrollToRowAtIndexPath:indexPath atScrollPosition:scrollPosition animated:animated];
    
    self.isCallingFromScrollToRowAtIndexPath = NO;
}

@end