tvOS Fixes for UISearchBar

- `searchBarCancelButtonClicked:` is only available on iOS.
- UISearchBar instantiation is not supported on tvOS, so all subclass
  delegate methods and tests are skipped.

RxCocoa/iOS/Proxies/RxSearchBarDelegateProxy.swift

@@ -30,6 +30,7 @@ public class RxSearchBarDelegateProxy : DelegateProxy
 
     // MARK: Delegate proxy methods
     
+#if os(iOS)
     /**
      For more information take a look at `DelegateProxyType`.
      */
@@ -38,6 +39,8 @@ public class RxSearchBarDelegateProxy : DelegateProxy
         
         return castOrFatalError(searchBar.rx_createDelegateProxy())
     }
+#endif
+    
 }
 
 #endif

RxCocoa/iOS/UISearchBar+Rx.swift

@@ -18,6 +18,7 @@ import UIKit
 
 extension UISearchBar {
     
+#if os(iOS)
     /**
      Factory method that enables subclasses to implement their own `rx_delegate`.
      
@@ -26,6 +27,7 @@ extension UISearchBar {
     public func rx_createDelegateProxy() -> RxSearchBarDelegateProxy {
         return RxSearchBarDelegateProxy(parentObject: self)
     }
+#endif
     
     /**
     Reactive wrapper for `delegate`.
@@ -78,6 +80,7 @@ extension UISearchBar {
         return ControlProperty(values: source, valueSink: bindingObserver)
     }
     
+#if os(iOS)
     /**
     Reactive wrapper for delegate method `searchBarCancelButtonClicked`.
     */
@@ -88,6 +91,7 @@ extension UISearchBar {
             }
         return ControlEvent(events: source)
     }
+#endif
     
     /**
      Reactive wrapper for delegate method `searchBarSearchButtonClicked`.

Tests/RxCocoaTests/DelegateProxyTest+UIKit.swift

@@ -44,11 +44,13 @@ import XCTest
     optional func testEventHappened(value: Int)
 }
 
+#if os(iOS)
 @objc protocol UISearchBarDelegateSubclass
     : UISearchBarDelegate
     , TestDelegateProtocol {
     optional func testEventHappened(value: Int)
 }
+#endif
 
 @objc protocol UITextViewDelegateSubclass
     : UITextViewDelegate
@@ -96,11 +98,13 @@ extension DelegateProxyTest {
 
 // MARK: UISearchBar
 
+#if os(iOS)
 extension DelegateProxyTest {
     func test_UISearchBarDelegateExtension() {
         performDelegateTest(UISearchBarSubclass(frame: CGRect.zero))
     }
 }
+#endif
 
 // MARK: UITextView
 
@@ -257,6 +261,7 @@ class UIScrollViewSubclass
     }
 }
 
+#if os(iOS)
 class ExtendSearchBarDelegateProxy
     : RxSearchBarDelegateProxy
     , UISearchBarDelegateSubclass {
@@ -271,6 +276,7 @@ class ExtendSearchBarDelegateProxy
 class UISearchBarSubclass
     : UISearchBar
     , TestDelegateControl {
+    
     override func rx_createDelegateProxy() -> RxSearchBarDelegateProxy {
         return ExtendSearchBarDelegateProxy(parentObject: self)
     }
@@ -285,6 +291,7 @@ class UISearchBarSubclass
             .map { a in (a[0] as! NSNumber).integerValue }
     }
 }
+#endif
 
 class ExtendTextViewDelegateProxy
     : RxTextViewDelegateProxy

Tests/RxCocoaTests/UISearchBar+RxTests.swift

@@ -77,6 +77,7 @@ class UISearchBarTests : RxTest {
         XCTAssertEqual(searchBar.selectedScopeButtonIndex, 1)
     }
     
+#if os(iOS)
     func testCancelTap() {
         let searchBar = UISearchBar(frame: CGRectMake(0, 0, 1, 1))
         
@@ -95,6 +96,7 @@ class UISearchBarTests : RxTest {
         let createView: () -> UISearchBar = { UISearchBar(frame: CGRectMake(0, 0, 1, 1)) }
         ensureEventDeallocated(createView) { (view: UISearchBar) in view.rx_cancelTap }
     }
+#endif
     
     func testSearchTap() {
         let searchBar = UISearchBar(frame: CGRectMake(0, 0, 1, 1))