Add dragInteractionEnabled prop for iOS

apple/RNCWebViewImpl.h

@@ -100,6 +100,7 @@ shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
 @property (nonatomic, copy) NSString * _Nullable allowingReadAccessToURL;
 @property (nonatomic, copy) NSDictionary * _Nullable basicAuthCredential;
 @property (nonatomic, assign) BOOL pullToRefreshEnabled;
+@property (nonatomic, assign) BOOL dragInteractionEnabled;
 @property (nonatomic, assign) BOOL enableApplePay;
 @property (nonatomic, copy) NSArray<NSDictionary *> * _Nullable menuItems;
 @property (nonatomic, copy) NSArray<NSString *> * _Nullable suppressMenuItems;

apple/RNCWebViewImpl.m

@@ -166,6 +166,7 @@ - (instancetype)initWithFrame:(CGRect)frame
     _showsHorizontalScrollIndicator = YES;
     _showsVerticalScrollIndicator = YES;
     _forceLightScrollIndicators = NO;
+    _dragInteractionEnabled = YES;
     _scrollsToTop = YES;
     _directionalLockEnabled = YES;
     _automaticallyAdjustContentInsets = YES;
@@ -537,6 +538,9 @@ - (void)didMoveToWindow
     [self setHideKeyboardAccessoryView: _savedHideKeyboardAccessoryView];
     [self setKeyboardDisplayRequiresUserAction: _savedKeyboardDisplayRequiresUserAction];
     [self visitSource];
+#if !TARGET_OS_OSX
+    [self updateDragInteractionState];
+#endif
   }
 #if !TARGET_OS_OSX
   // Allow this object to recognize gestures
@@ -1053,6 +1057,37 @@ - (void)setScrollsToTop:(BOOL)scrollsToTop
 }
 #endif // !TARGET_OS_OSX
 
+#if !TARGET_OS_OSX
+- (void)setDragInteractionEnabled:(BOOL)dragInteractionEnabled
+{
+  _dragInteractionEnabled = dragInteractionEnabled;
+  [self updateDragInteractionState];
+}
+
+- (void)updateDragInteractionState
+{
+  if (@available(iOS 11.0, *)) {
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.1 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+      [self disableDragInteractionsRecursively:_webView];
+    });
+  }
+}
+
+- (void)disableDragInteractionsRecursively:(UIView *)view
+{
+  if (@available(iOS 11.0, *)) {
+    for (id<UIInteraction> interaction in view.interactions) {
+      if ([interaction isKindOfClass:[UIDragInteraction class]]) {
+        ((UIDragInteraction *)interaction).enabled = _dragInteractionEnabled;
+      }
+    }
+    for (UIView *subview in view.subviews) {
+      [self disableDragInteractionsRecursively:subview];
+    }
+  }
+}
+#endif // !TARGET_OS_OSX
+
 - (void)postMessage:(NSString *)message
 {
   NSDictionary *eventInitDict = @{@"data": message};

apple/RNCWebViewManager.mm

@@ -133,6 +133,10 @@ - (RNCView *)view
   view.pullToRefreshEnabled = json == nil ? false : [RCTConvert BOOL: json];
 }
 
+RCT_CUSTOM_VIEW_PROPERTY(dragInteractionEnabled, BOOL, RNCWebViewImpl) {
+  view.dragInteractionEnabled = json == nil ? true : [RCTConvert BOOL: json];
+}
+
 RCT_CUSTOM_VIEW_PROPERTY(bounces, BOOL, RNCWebViewImpl) {
   view.bounces = json == nil ? true : [RCTConvert BOOL: json];
 }

lib/RNCWebViewNativeComponent.d.ts

@@ -165,6 +165,7 @@ export interface NativeProps extends ViewProps {
     mediaCapturePermissionGrantType?: WithDefault<'prompt' | 'grant' | 'deny' | 'grantIfSameHostElsePrompt' | 'grantIfSameHostElseDeny', 'prompt'>;
     pagingEnabled?: boolean;
     pullToRefreshEnabled?: boolean;
+    dragInteractionEnabled?: boolean;
     scrollEnabled?: boolean;
     sharedCookiesEnabled?: boolean;
     textInteractionEnabled?: boolean;

lib/WebViewTypes.d.ts

@@ -508,6 +508,13 @@ export interface IOSWebViewProps extends WebViewSharedProps {
      *
      */
     pullToRefreshEnabled?: boolean;
+    /**
+     * Controls whether text can be dragged from the webview.
+     * Set to false to disable iOS drag-and-drop.
+     * @platform ios
+     * @default true
+     */
+    dragInteractionEnabled?: boolean;
     /**
      * Function that is invoked when the client needs to download a file.
      *

src/RNCWebViewNativeComponent.ts

@@ -198,6 +198,7 @@ export interface NativeProps extends ViewProps {
   mediaCapturePermissionGrantType?: WithDefault<'prompt' | 'grant' | 'deny' | 'grantIfSameHostElsePrompt' | 'grantIfSameHostElseDeny', 'prompt'>;
   pagingEnabled?: boolean;
   pullToRefreshEnabled?: boolean;
+  dragInteractionEnabled?: boolean;
   scrollEnabled?: boolean;
   sharedCookiesEnabled?: boolean;
   textInteractionEnabled?: boolean;

src/WebViewTypes.ts

@@ -669,6 +669,14 @@ export interface IOSWebViewProps extends WebViewSharedProps {
    */
   pullToRefreshEnabled?: boolean;
 
+  /**
+   * Controls whether text can be dragged from the webview.
+   * Set to false to disable iOS drag-and-drop.
+   * @platform ios
+   * @default true
+   */
+  dragInteractionEnabled?: boolean;
+
   /**
    * Function that is invoked when the client needs to download a file.
    *