Merge pull request #131 from chrismiles/more-fixes-for-ios11

More fixes for ios11

.gitignore

@@ -26,3 +26,4 @@ DerivedData
 Pods/
 ._*
 .DS_Store
+*~

CMPopTipView.podspec

@@ -1,11 +1,11 @@
 Pod::Spec.new do |s|
   s.name         = "CMPopTipView"
-  s.version      = "2.3.0"
+  s.version      = "2.3.1"
   s.summary      = "Custom UIView for iOS that pops up an animated \"bubble\" pointing at a button or other view. Useful for popup tips."
   s.homepage     = "https://github.com/chrismiles/CMPopTipView"
   s.license      = { :type => "MIT", :file => "LICENSE" }
   s.author       = { "Chris Miles" => "http://chrismiles.info/" }
-  s.source       = { :git => "https://github.com/chrismiles/CMPopTipView.git", :tag => "2.3.0" }
+  s.source       = { :git => "https://github.com/chrismiles/CMPopTipView.git", :tag => "2.3.1" }
   s.platform     = :ios, "6.0"
   s.requires_arc = true
   s.source_files = "CMPopTipView/*.{h,m}"

CMPopTipView/CMPopTipView.m

@@ -615,32 +615,18 @@ - (void)presentPointingAtView:(UIView *)targetView inView:(UIView *)containerVie
 }
 
 - (void)presentPointingAtBarButtonItem:(UIBarButtonItem *)barButtonItem animated:(BOOL)animated {
-	UIView *targetView = (UIView *)[barButtonItem performSelector:@selector(view)];
-
-    // Try to find the superview of the UINavigationBar. Limit the number of tries to 8.
-    UIView *containerView = targetView.superview;
-    for(NSInteger i = 0; i < 8; ++i) {
-        if ([containerView isKindOfClass:[UIToolbar class]]) {
-            containerView = containerView.superview;
-            break;
-        }
-
-        if([containerView isKindOfClass:[UINavigationBar class]]) {
-            containerView = containerView.superview;
-            break;
-        }
-        containerView = containerView.superview;
-    }
+    UIView *targetView = (UIView *)[barButtonItem performSelector:@selector(view)];
+    UIView *containerView = targetView.window;
 
-	if (nil == containerView) {
-		NSLog(@"Cannot determine container view from UIBarButtonItem: %@", barButtonItem);
-		self.targetObject = nil;
-		return;
-	}
+    if (nil == containerView) {
+        NSLog(@"Cannot determine container view from UIBarButtonItem: %@", barButtonItem);
+        self.targetObject = nil;
+        return;
+    }
 
-	self.targetObject = barButtonItem;
+    self.targetObject = barButtonItem;
 
-	[self presentPointingAtView:targetView inView:containerView animated:animated];
+    [self presentPointingAtView:targetView inView:containerView animated:animated];
 }
 
 - (void)finaliseDismiss {