Start exposing RCTWebSocketObserver using a protocol

Reviewed By: javache

Differential Revision: D4296387

fbshipit-source-id: 33f92c36168dcb18356d0ccdaf902a84634d94b7

Libraries/WebSocket/RCTWebSocketManager.h

@@ -12,6 +12,9 @@
 
 #if RCT_DEV // Only supported in dev mode
 
+@interface RCTWebSocketObserver : NSObject <RCTWebSocketObserver>
+@end
+
 @interface RCTWebSocketManager : NSObject <RCTWebSocketProxy>
 @end
 

Libraries/WebSocket/RCTWebSocketManager.m

@@ -20,18 +20,15 @@
 
 #pragma mark - RCTWebSocketObserver
 
-@interface RCTWebSocketObserver : NSObject <RCTSRWebSocketDelegate> {
+@interface RCTWebSocketObserver () <RCTSRWebSocketDelegate>
+@end
+
+@implementation RCTWebSocketObserver {
   NSURL *_url;
   RCTSRWebSocket *_socket;
 }
 
-- (instancetype)initWithURL:(NSURL *)url;
-
-@property (nonatomic, weak) id<RCTWebSocketProxyDelegate> delegate;
-
-@end
-
-@implementation RCTWebSocketObserver
+@synthesize delegate = _delegate;
 
 - (instancetype)initWithURL:(NSURL *)url
 {

React/Base/RCTWebSocketProxy.h

@@ -12,6 +12,13 @@
 
 #if RCT_DEV // Only supported in dev mode
 
+@protocol RCTWebSocketProxyDelegate;
+
+@protocol RCTWebSocketObserver
+- (instancetype)initWithURL:(NSURL *)url;
+@property (nonatomic, weak) id<RCTWebSocketProxyDelegate> delegate;
+@end
+
 @protocol RCTWebSocketProxy
 
 + (instancetype)sharedInstance;