Move View Controller retrieval to external UIView category

RCTVideo.m

@@ -574,26 +574,6 @@ static NSString *const playbackBufferEmptyKeyPath = @"playbackBufferEmpty";
   }
 }
 
-#pragma mark - View Controller retrieval
-
-// http://stackoverflow.com/questions/1340434/get-to-uiviewcontroller-from-uiview/2596519
-
-- (UIViewController *) firstAvailableUIViewController {
-    // convenience function for casting and to "mask" the recursive function
-    return (UIViewController *)[self traverseResponderChainForUIViewController];
-}
-
-- (id) traverseResponderChainForUIViewController {
-    id nextResponder = [self nextResponder];
-    if ([nextResponder isKindOfClass:[UIViewController class]]) {
-        return nextResponder;
-    } else if ([nextResponder isKindOfClass:[UIView class]]) {
-        return [nextResponder traverseResponderChainForUIViewController];
-    } else {
-        return nil;
-    }
-}
-
 #pragma mark - Lifecycle
 
 - (void)removeFromSuperview

RCTVideo.xcodeproj/project.pbxproj

@@ -7,6 +7,7 @@
 	objects = {
 
 /* Begin PBXBuildFile section */
+		31CAFB211CADA8CD009BCF6F /* UIView+FindUIViewController.m in Sources */ = {isa = PBXBuildFile; fileRef = 31CAFB201CADA8CD009BCF6F /* UIView+FindUIViewController.m */; };
 		BBD49E3F1AC8DEF000610F8E /* RCTVideo.m in Sources */ = {isa = PBXBuildFile; fileRef = BBD49E3A1AC8DEF000610F8E /* RCTVideo.m */; };
 		BBD49E401AC8DEF000610F8E /* RCTVideoManager.m in Sources */ = {isa = PBXBuildFile; fileRef = BBD49E3C1AC8DEF000610F8E /* RCTVideoManager.m */; };
 /* End PBXBuildFile section */
@@ -25,6 +26,8 @@
 
 /* Begin PBXFileReference section */
 		134814201AA4EA6300B7C361 /* libRCTVideo.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = libRCTVideo.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		31CAFB1F1CADA8CD009BCF6F /* UIView+FindUIViewController.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "UIView+FindUIViewController.h"; sourceTree = "<group>"; };
+		31CAFB201CADA8CD009BCF6F /* UIView+FindUIViewController.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = "UIView+FindUIViewController.m"; sourceTree = "<group>"; };
 		BBD49E391AC8DEF000610F8E /* RCTVideo.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTVideo.h; sourceTree = "<group>"; };
 		BBD49E3A1AC8DEF000610F8E /* RCTVideo.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = RCTVideo.m; sourceTree = "<group>"; };
 		BBD49E3B1AC8DEF000610F8E /* RCTVideoManager.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = RCTVideoManager.h; sourceTree = "<group>"; };
@@ -53,6 +56,8 @@
 		58B511D21A9E6C8500147676 = {
 			isa = PBXGroup;
 			children = (
+				31CAFB1F1CADA8CD009BCF6F /* UIView+FindUIViewController.h */,
+				31CAFB201CADA8CD009BCF6F /* UIView+FindUIViewController.m */,
 				BBD49E391AC8DEF000610F8E /* RCTVideo.h */,
 				BBD49E3A1AC8DEF000610F8E /* RCTVideo.m */,
 				BBD49E3B1AC8DEF000610F8E /* RCTVideoManager.h */,
@@ -117,6 +122,7 @@
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
+				31CAFB211CADA8CD009BCF6F /* UIView+FindUIViewController.m in Sources */,
 				BBD49E3F1AC8DEF000610F8E /* RCTVideo.m in Sources */,
 				BBD49E401AC8DEF000610F8E /* RCTVideoManager.m in Sources */,
 			);

UIView+FindUIViewController.h

@@ -0,0 +1,15 @@
+//
+//  UIView+FindUIViewController.h
+//  RCTVideo
+//
+//  Created by Stanisław Chmiela on 31.03.2016.
+//  Copyright © 2016 Facebook. All rights reserved.
+//
+//  Source: http://stackoverflow.com/a/3732812/1123156
+
+#import <UIKit/UIKit.h>
+
+@interface UIView (FindUIViewController)
+- (UIViewController *) firstAvailableUIViewController;
+- (id) traverseResponderChainForUIViewController;
+@end

UIView+FindUIViewController.m

@@ -0,0 +1,28 @@
+//
+//  UIView+FindUIViewController.m
+//  RCTVideo
+//
+//  Created by Stanisław Chmiela on 31.03.2016.
+//  Copyright © 2016 Facebook. All rights reserved.
+//
+//  Source: http://stackoverflow.com/a/3732812/1123156
+
+#import "UIView+FindUIViewController.h"
+
+@implementation UIView (FindUIViewController)
+- (UIViewController *) firstAvailableUIViewController {
+    // convenience function for casting and to "mask" the recursive function
+    return (UIViewController *)[self traverseResponderChainForUIViewController];
+}
+
+- (id) traverseResponderChainForUIViewController {
+    id nextResponder = [self nextResponder];
+    if ([nextResponder isKindOfClass:[UIViewController class]]) {
+        return nextResponder;
+    } else if ([nextResponder isKindOfClass:[UIView class]]) {
+        return [nextResponder traverseResponderChainForUIViewController];
+    } else {
+        return nil;
+    }
+}
+@end