Make RCTKeyboardObserver TurboModule-compatible

Summary:
See title.

Changelog:
[iOS][Added] - Make RCTKeyboardObserver TurboModule-compatible

Reviewed By: shergin

Differential Revision: D18130902

fbshipit-source-id: 79dff2aeede7cb2485d48597a1f80e546c107e7a

React/CoreModules/BUCK

@@ -78,6 +78,9 @@ rn_apple_library(
         ) + react_module_plugin_providers(
             name = "StatusBarManager",
             native_class_func = "RCTStatusBarManagerCls",
+        ) + react_module_plugin_providers(
+            name = "KeyboardObserver",
+            native_class_func = "RCTKeyboardObserverCls",
         ),
     plugins_header = "FBCoreModulesPlugins.h",
     preprocessor_flags = OBJC_ARC_PREPROCESSOR_FLAGS + get_debug_preprocessor_flags() + rn_extra_build_flags() + [

React/CoreModules/CoreModulesPlugins.h

@@ -42,6 +42,7 @@ Class RCTAlertManagerCls(void) __attribute__((used));
 Class RCTAsyncLocalStorageCls(void) __attribute__((used));
 Class RCTTimingCls(void) __attribute__((used));
 Class RCTStatusBarManagerCls(void) __attribute__((used));
+Class RCTKeyboardObserverCls(void) __attribute__((used));
 
 #ifdef __cplusplus
 }

React/CoreModules/CoreModulesPlugins.mm

@@ -31,6 +31,7 @@ Class RCTCoreModulesClassProvider(const char *name) {
     {"AsyncLocalStorage", RCTAsyncLocalStorageCls},
     {"Timing", RCTTimingCls},
     {"StatusBarManager", RCTStatusBarManagerCls},
+    {"KeyboardObserver", RCTKeyboardObserverCls},
   };
 
   auto p = sCoreModuleClassMap.find(name);

React/CoreModules/RCTKeyboardObserver.mm

@@ -7,10 +7,16 @@
 
 #import "RCTKeyboardObserver.h"
 
-#import "RCTEventDispatcher.h"
+#import <FBReactNativeSpec/FBReactNativeSpec.h>
+#import <React/RCTEventDispatcher.h>
+
+#import "CoreModulesPlugins.h"
 
 static NSDictionary *RCTParseKeyboardNotification(NSNotification *notification);
 
+@interface RCTKeyboardObserver() <NativeKeyboardObserverSpec>
+@end
+
 @implementation RCTKeyboardObserver
 
 RCT_EXPORT_MODULE()
@@ -72,6 +78,11 @@ IMPLEMENT_KEYBOARD_HANDLER(keyboardDidHide)
 IMPLEMENT_KEYBOARD_HANDLER(keyboardWillChangeFrame)
 IMPLEMENT_KEYBOARD_HANDLER(keyboardDidChangeFrame)
 
+- (std::shared_ptr<facebook::react::TurboModule>)getTurboModuleWithJsInvoker:(std::shared_ptr<facebook::react::CallInvoker>)jsInvoker
+{
+  return std::make_shared<facebook::react::NativeKeyboardObserverSpecJSI>(self, jsInvoker);
+}
+
 @end
 
 NS_INLINE NSDictionary *RCTRectDictionaryValue(CGRect rect)
@@ -109,7 +120,7 @@ static NSDictionary *RCTParseKeyboardNotification(NSNotification *notification)
   CGRect beginFrame = [userInfo[UIKeyboardFrameBeginUserInfoKey] CGRectValue];
   CGRect endFrame = [userInfo[UIKeyboardFrameEndUserInfoKey] CGRectValue];
   NSTimeInterval duration = [userInfo[UIKeyboardAnimationDurationUserInfoKey] doubleValue];
-  UIViewAnimationCurve curve = [userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue];
+  UIViewAnimationCurve curve = static_cast<UIViewAnimationCurve>([userInfo[UIKeyboardAnimationCurveUserInfoKey] integerValue]);
   NSInteger isLocalUserInfoKey = [userInfo[UIKeyboardIsLocalUserInfoKey] integerValue];
 
   return @{
@@ -121,3 +132,7 @@ static NSDictionary *RCTParseKeyboardNotification(NSNotification *notification)
   };
 #endif
 }
+
+Class RCTKeyboardObserverCls(void) {
+  return RCTKeyboardObserver.class;
+}