From e1fba0efa7de9679c151cabde7242a7a9421020f Mon Sep 17 00:00:00 2001
From: Gian Franco Zabarino <gfzabarino@gmail.com>
Date: Fri, 29 Jan 2016 22:04:14 -0300
Subject: [PATCH] - Fixed bug in which the bounds / contentOffset of the scroll
 view wasn't being updated on some occasions.

---
 TLYShyNavBar/Categories/UIScrollView+Helpers.h           | 2 +-
 TLYShyNavBar/Categories/UIScrollView+Helpers.m           | 4 ++--
 TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h | 2 +-
 TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m | 8 ++++----
 TLYShyNavBar/TLYShyNavBarManager.m                       | 2 +-
 5 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/TLYShyNavBar/Categories/UIScrollView+Helpers.h b/TLYShyNavBar/Categories/UIScrollView+Helpers.h
index ed2ca1c..ca3c906 100644
--- a/TLYShyNavBar/Categories/UIScrollView+Helpers.h
+++ b/TLYShyNavBar/Categories/UIScrollView+Helpers.h
@@ -11,6 +11,6 @@
 
 @interface UIScrollView (Helpers)
 
-- (void)tly_setInsets:(UIEdgeInsets)contentInsets preserveOffset:(BOOL)preserveOffset;
+- (void)tly_setInsets:(UIEdgeInsets)contentInsets;
 
 @end
diff --git a/TLYShyNavBar/Categories/UIScrollView+Helpers.m b/TLYShyNavBar/Categories/UIScrollView+Helpers.m
index 214ec06..4de4f92 100644
--- a/TLYShyNavBar/Categories/UIScrollView+Helpers.m
+++ b/TLYShyNavBar/Categories/UIScrollView+Helpers.m
@@ -11,9 +11,9 @@
 @implementation UIScrollView (Helpers)
 
 // Modify contentInset and scrollIndicatorInsets
-- (void)tly_setInsets:(UIEdgeInsets)contentInsets preserveOffset:(BOOL)preserveOffset
+- (void)tly_setInsets:(UIEdgeInsets)contentInsets
 {
-    if (preserveOffset && contentInsets.top != self.contentInset.top)
+    if (!self.isDragging && !self.isDecelerating && contentInsets.top != self.contentInset.top)
     {
         CGFloat offsetDelta = contentInsets.top - self.contentInset.top;
         
diff --git a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
index dc3b82f..ee81d81 100644
--- a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
+++ b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.h
@@ -17,6 +17,6 @@
 @property (nonatomic, weak) UIScrollView *scrollView;
 @property (nonatomic, weak) TLYShyViewController *parent;
 
-- (CGFloat)updateLayoutIfNeeded:(BOOL)intelligently;
+- (CGFloat)updateLayoutIfNeeded;
 
 @end
diff --git a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
index 789c0a7..1ee0f17 100644
--- a/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
+++ b/TLYShyNavBar/ShyControllers/TLYShyScrollViewController.m
@@ -14,10 +14,10 @@
 
 - (void)offsetCenterBy:(CGPoint)deltaPoint
 {
-    [self updateLayoutIfNeeded:NO];
+    [self updateLayoutIfNeeded];
 }
 
-- (CGFloat)updateLayoutIfNeeded:(BOOL)intelligently
+- (CGFloat)updateLayoutIfNeeded
 {
     if (self.scrollView.contentSize.height < FLT_EPSILON
         && ([self.scrollView isKindOfClass:[UITableView class]]
@@ -35,7 +35,7 @@
     if (normalizedY > -FLT_EPSILON && !UIEdgeInsetsEqualToEdgeInsets(insets, self.scrollView.contentInset))
     {
         CGFloat delta = insets.top - self.scrollView.contentInset.top;
-        [self.scrollView tly_setInsets:insets preserveOffset:intelligently];
+        [self.scrollView tly_setInsets:insets];
         
         return delta;
     }
@@ -46,7 +46,7 @@
         frame = UIEdgeInsetsInsetRect(frame, insets);
         
         self.scrollView.frame = frame;
-        return [self updateLayoutIfNeeded:YES];
+        return [self updateLayoutIfNeeded];
     }
     
     return 0.f;
diff --git a/TLYShyNavBar/TLYShyNavBarManager.m b/TLYShyNavBar/TLYShyNavBarManager.m
index c18c7b9..ba693c0 100644
--- a/TLYShyNavBar/TLYShyNavBarManager.m
+++ b/TLYShyNavBar/TLYShyNavBarManager.m
@@ -394,7 +394,7 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
 
 - (void)layoutViews
 {
-    if (fabs([self.scrollViewController updateLayoutIfNeeded:YES]) > FLT_EPSILON)
+    if (fabs([self.scrollViewController updateLayoutIfNeeded]) > FLT_EPSILON)
     {
         [self.navBarController expand];
         [self.extensionViewContainer.superview bringSubviewToFront:self.extensionViewContainer];