From c41c5bd3ad540109466866f3a30f5ec46b8c202e Mon Sep 17 00:00:00 2001
From: Steven Zweier <steven@percolate.com>
Date: Tue, 23 Feb 2016 09:49:40 -0500
Subject: [PATCH] fix refresh issue

---
 TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h | 1 +
 TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m | 9 ++++++---
 TLYShyNavBar/TLYShyNavBarManager.m                       | 7 +++++++
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
index ee81d81..594c019 100644
--- a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
+++ b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
@@ -15,6 +15,7 @@
 @interface TLYShyScrollViewController : NSObject <TLYShyChild>
 
 @property (nonatomic, weak) UIScrollView *scrollView;
+@property (nonatomic, weak) UIRefreshControl *refreshControl;
 @property (nonatomic, weak) TLYShyViewController *parent;
 
 - (CGFloat)updateLayoutIfNeeded;
diff --git a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
index 90805aa..58f1be0 100644
--- a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
+++ b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
@@ -19,10 +19,10 @@
 
 - (CGFloat)updateLayoutIfNeeded
 {
-    if ((self.scrollView.contentSize.height < FLT_EPSILON
+    if (self.scrollView.contentSize.height < FLT_EPSILON
          && ([self.scrollView isKindOfClass:[UITableView class]]
              || [self.scrollView isKindOfClass:[UICollectionView class]])
-         ) || (self.scrollView.contentOffset.y <= -64))
+         )
     {
         return 0.f;
     }
@@ -35,7 +35,10 @@
     if (normalizedY > -FLT_EPSILON && !UIEdgeInsetsEqualToEdgeInsets(insets, self.scrollView.contentInset))
     {
         CGFloat delta = insets.top - self.scrollView.contentInset.top;
-        [self.scrollView tly_setInsets:insets];
+
+        if (self.refreshControl == nil || [self.refreshControl isHidden]) {
+            [self.scrollView tly_setInsets:insets];
+        }
         
         return delta;
     }
diff --git a/TLYShyNavBar/TLYShyNavBarManager.m b/TLYShyNavBar/TLYShyNavBarManager.m
index 0be7c8a..72a7e19 100644
--- a/TLYShyNavBar/TLYShyNavBarManager.m
+++ b/TLYShyNavBar/TLYShyNavBarManager.m
@@ -152,6 +152,13 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
     _scrollView = scrollView;
     self.scrollViewController.scrollView = scrollView;
 
+    NSUInteger index = [scrollView.subviews indexOfObjectPassingTest:^BOOL (id obj, NSUInteger idx, BOOL *stop) {
+        return [obj isKindOfClass:[UIRefreshControl class]];
+    }];
+    if (index != NSNotFound) {
+        self.scrollViewController.refreshControl = [scrollView.subviews objectAtIndex:index];
+    }
+
     if (_scrollView.delegate != self.delegateProxy)
     {
         self.delegateProxy.originalDelegate = _scrollView.delegate;