From e5ef717aafe09462fcb3d65a69252773af1f1dee Mon Sep 17 00:00:00 2001
From: Nicholas Long <nick@glmps.com>
Date: Thu, 8 Oct 2015 11:51:19 -0700
Subject: [PATCH] Added ability to alphaFade entire navbar instead of just it's
 subviews. Transfered userInteractionEnabled state from extensionView to
 extensionViewContainer.

---
 TLYShyNavBar/TLYShyNavBarManager.h  |  1 +
 TLYShyNavBar/TLYShyNavBarManager.m  |  3 +++
 TLYShyNavBar/TLYShyViewController.h |  1 +
 TLYShyNavBar/TLYShyViewController.m | 12 ++++++++----
 4 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/TLYShyNavBar/TLYShyNavBarManager.h b/TLYShyNavBar/TLYShyNavBarManager.h
index 234361f..9f4421b 100644
--- a/TLYShyNavBar/TLYShyNavBarManager.h
+++ b/TLYShyNavBar/TLYShyNavBarManager.h
@@ -56,6 +56,7 @@
  * Defaults to YES
  */
 @property (nonatomic, getter = isAlphaFadeEnabled) BOOL alphaFadeEnabled;
+@property (nonatomic, getter = isAlphaFadeEntireNavBarEnabled) BOOL alphaFadeEntireNavBar;
 
 @property (nonatomic) BOOL disable;
 
diff --git a/TLYShyNavBar/TLYShyNavBarManager.m b/TLYShyNavBar/TLYShyNavBarManager.m
index 2286e88..d10f8a9 100644
--- a/TLYShyNavBar/TLYShyNavBarManager.m
+++ b/TLYShyNavBar/TLYShyNavBarManager.m
@@ -100,6 +100,7 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
         self.contractionResistance = 0.f;
         
         self.alphaFadeEnabled = YES;
+        self.alphaFadeEntireNavBar = NO;
         
         self.previousScrollInsets = UIEdgeInsetsZero;
         self.previousYOffset = NAN;
@@ -320,6 +321,7 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
         
         // 6 - Update the shyViewController
         self.navBarController.alphaFadeEnabled = self.alphaFadeEnabled;
+        self.navBarController.alphaFadeEntireNavBar = self.alphaFadeEntireNavBar;
         [self.navBarController updateYOffset:deltaY];
     }
     
@@ -382,6 +384,7 @@ static void * const kTLYShyNavBarManagerKVOContext = (void*)&kTLYShyNavBarManage
         
         self.extensionViewContainer.frame = bounds;
         [self.extensionViewContainer addSubview:view];
+        self.extensionViewContainer.userInteractionEnabled = view.userInteractionEnabled;
 
         /* Disable scroll handling temporarily while laying out views to avoid double-changing content
          * offsets in _handleScrolling. */
diff --git a/TLYShyNavBar/TLYShyViewController.h b/TLYShyNavBar/TLYShyViewController.h
index 1789bbc..9ca4e32 100644
--- a/TLYShyNavBar/TLYShyViewController.h
+++ b/TLYShyNavBar/TLYShyViewController.h
@@ -37,6 +37,7 @@ typedef CGFloat(^TLYShyViewControllerContractionAmountBlock)(UIView *view);
 @property (nonatomic) BOOL hidesAfterContraction;
 
 @property (nonatomic) BOOL alphaFadeEnabled;
+@property (nonatomic) BOOL alphaFadeEntireNavBar;
 
 @property (nonatomic, readonly) CGFloat totalHeight;
 
diff --git a/TLYShyNavBar/TLYShyViewController.m b/TLYShyNavBar/TLYShyViewController.m
index 1e4194e..43307fc 100644
--- a/TLYShyNavBar/TLYShyViewController.m
+++ b/TLYShyNavBar/TLYShyViewController.m
@@ -61,8 +61,12 @@ const CGFloat contractionVelocity = 300.f;
 
 // This method is courtesy of GTScrollNavigationBar
 // https://github.com/luugiathuy/GTScrollNavigationBar
-- (void)_updateSubviewsToAlpha:(CGFloat)alpha
+- (void)_updateViewsToAlpha:(CGFloat)alpha
 {
+    if (_alphaFadeEntireNavBar) {
+        self.view.alpha = alpha;
+    }
+
     for (UIView* view in self.view.subviews)
     {
         bool isBackgroundView = view == self.view.subviews[0];
@@ -83,7 +87,7 @@ const CGFloat contractionVelocity = 300.f;
     
     if (!alphaFadeEnabled)
     {
-        [self _updateSubviewsToAlpha:1.f];
+        [self _updateViewsToAlpha:1.f];
     }
 }
 
@@ -113,7 +117,7 @@ const CGFloat contractionVelocity = 300.f;
         
         if (self.alphaFadeEnabled)
         {
-            [self _updateSubviewsToAlpha:newAlpha];
+            [self _updateViewsToAlpha:newAlpha];
         }
     }
     
@@ -163,7 +167,7 @@ const CGFloat contractionVelocity = 300.f;
     
     if (self.hidesSubviews && self.alphaFadeEnabled)
     {
-        [self _updateSubviewsToAlpha:1.f];
+        [self _updateViewsToAlpha:1.f];
     }
     
     CGFloat amountToMove = self.expandedCenterValue.y - self.view.center.y;