Add hotkeysEnabled property to RCTDevMenu for iOS

Summary:
`hotkeysEnabled` property is added to `RCTDevMenu` which allows enabling/disabling hotkeys that triggers developer menu popup

Changelog:
[iOS][Added] - `hotkeysEnabled` property is added to `RCTDevMenu` which allows enabling/disabling hotkeys that triggers developer menu popup

Reviewed By: arhelmus

Differential Revision: D35777883

fbshipit-source-id: a7435358701bedb54e33198724180eb1c27248b8

Author: Ersan Kavafoglu

React/CoreModules/RCTDevMenu.h

@@ -39,6 +39,11 @@ RCT_EXTERN NSString *const RCTShowDevMenuNotification;
  */
 @property (nonatomic, assign) BOOL hotLoadingEnabled DEPRECATED_ATTRIBUTE;
 
+/**
+ * Whether the hotkeys that toggles the developer menu is enabled.
+ */
+@property (nonatomic, assign) BOOL hotkeysEnabled;
+
 /**
  * Presented items in development menu
  */

React/CoreModules/RCTDevMenu.mm

@@ -123,35 +123,64 @@ - (instancetype)init
                                                object:nil];
     _extraMenuItems = [NSMutableArray new];
 
+    [self registerHotkeys];
+  }
+  return self;
+}
+
+- (void)registerHotkeys
+{
 #if TARGET_OS_SIMULATOR || TARGET_OS_MACCATALYST
-    RCTKeyCommands *commands = [RCTKeyCommands sharedInstance];
-    __weak __typeof(self) weakSelf = self;
-
-    // Toggle debug menu
-    [commands registerKeyCommandWithInput:@"d"
-                            modifierFlags:UIKeyModifierCommand
-                                   action:^(__unused UIKeyCommand *command) {
-                                     [weakSelf toggle];
-                                   }];
+  RCTKeyCommands *commands = [RCTKeyCommands sharedInstance];
+  __weak __typeof(self) weakSelf = self;
+
+  // Toggle debug menu
+  [commands registerKeyCommandWithInput:@"d"
+                          modifierFlags:UIKeyModifierCommand
+                                 action:^(__unused UIKeyCommand *command) {
+                                   [weakSelf toggle];
+                                 }];
+
+  // Toggle element inspector
+  [commands registerKeyCommandWithInput:@"i"
+                          modifierFlags:UIKeyModifierCommand
+                                 action:^(__unused UIKeyCommand *command) {
+                                   [(RCTDevSettings *)[weakSelf.moduleRegistry moduleForName:"DevSettings"]
+                                       toggleElementInspector];
+                                 }];
+
+  // Reload in normal mode
+  [commands registerKeyCommandWithInput:@"n"
+                          modifierFlags:UIKeyModifierCommand
+                                 action:^(__unused UIKeyCommand *command) {
+                                   [(RCTDevSettings *)[weakSelf.moduleRegistry moduleForName:"DevSettings"]
+                                       setIsDebuggingRemotely:NO];
+                                 }];
+#endif
+}
 
-    // Toggle element inspector
-    [commands registerKeyCommandWithInput:@"i"
-                            modifierFlags:UIKeyModifierCommand
-                                   action:^(__unused UIKeyCommand *command) {
-                                     [(RCTDevSettings *)[weakSelf.moduleRegistry moduleForName:"DevSettings"]
-                                         toggleElementInspector];
-                                   }];
+- (void)unregisterHotkeys
+{
+#if TARGET_OS_SIMULATOR || TARGET_OS_MACCATALYST
+  RCTKeyCommands *commands = [RCTKeyCommands sharedInstance];
 
-    // Reload in normal mode
-    [commands registerKeyCommandWithInput:@"n"
-                            modifierFlags:UIKeyModifierCommand
-                                   action:^(__unused UIKeyCommand *command) {
-                                     [(RCTDevSettings *)[weakSelf.moduleRegistry moduleForName:"DevSettings"]
-                                         setIsDebuggingRemotely:NO];
-                                   }];
+  [commands unregisterKeyCommandWithInput:@"d" modifierFlags:UIKeyModifierCommand];
+  [commands unregisterKeyCommandWithInput:@"i" modifierFlags:UIKeyModifierCommand];
+  [commands unregisterKeyCommandWithInput:@"n" modifierFlags:UIKeyModifierCommand];
+#endif
+}
+
+- (BOOL)isHotkeysRegistered
+{
+#if TARGET_OS_SIMULATOR || TARGET_OS_MACCATALYST
+  RCTKeyCommands *commands = [RCTKeyCommands sharedInstance];
+
+  return [commands isKeyCommandRegisteredForInput:@"d" modifierFlags:UIKeyModifierCommand] &&
+      [commands isKeyCommandRegisteredForInput:@"i" modifierFlags:UIKeyModifierCommand] &&
+      [commands isKeyCommandRegisteredForInput:@"n" modifierFlags:UIKeyModifierCommand];
+#else
+  return NO;
 #endif
-  }
-  return self;
 }
 
 - (dispatch_queue_t)methodQueue
@@ -481,6 +510,20 @@ - (BOOL)hotLoadingEnabled
   return ((RCTDevSettings *)[_moduleRegistry moduleForName:"DevSettings"]).isHotLoadingEnabled;
 }
 
+- (void)setHotkeysEnabled:(BOOL)enabled
+{
+  if (enabled) {
+    [self registerHotkeys];
+  } else {
+    [self unregisterHotkeys];
+  }
+}
+
+- (BOOL)hotkeysEnabled
+{
+  return [self isHotkeysRegistered];
+}
+
 - (std::shared_ptr<facebook::react::TurboModule>)getTurboModule:
     (const facebook::react::ObjCTurboModule::InitParams &)params
 {