react-native/React/Views/RCTWKWebViewManager.m

#import "RCTWKWebViewManager.h"

#import "RCTUIManager.h"
#import "RCTWKWebView.h"

@implementation RCTWKWebViewManager

RCT_EXPORT_MODULE()

- (UIView *)view
{
  return [RCTWKWebView new];
}

RCT_EXPORT_VIEW_PROPERTY(source, NSDictionary)
RCT_EXPORT_VIEW_PROPERTY(onLoadingStart, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onLoadingFinish, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onLoadingError, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(injectedJavaScript, NSString)

/**
 * Expose methods to enable messaging the webview.
 */
RCT_EXPORT_VIEW_PROPERTY(messagingEnabled, BOOL)
RCT_EXPORT_VIEW_PROPERTY(onMessage, RCTDirectEventBlock)

RCT_EXPORT_METHOD(postMessage:(nonnull NSNumber *)reactTag message:(NSString *)message)
{
  [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
    RCTWKWebView *view = viewRegistry[reactTag];
    if (![view isKindOfClass:[RCTWKWebView class]]) {
      RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
    } else {
      [view postMessage:message];
    }
  }];
}

RCT_REMAP_VIEW_PROPERTY(bounces, _webView.scrollView.bounces, BOOL)
RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RCTWKWebView) {
  view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
}

RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RCTWKWebView) {
  view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
}

RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
{
  [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
    RCTWKWebView *view = viewRegistry[reactTag];
    if (![view isKindOfClass:[RCTWKWebView class]]) {
      RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
    } else {
      [view injectJavaScript:script];
    }
  }];
}

@end