mirror of
https://github.com/facebook/react-native.git
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Ramanpreet Nara
0022354525
Summary: @public This diff introduces a method called `injectJavaScript(script)` on the React Native `<WKWebView/>` component. When called with a string, it evaluates that string as JavaScript within the web view. Reviewed By: shergin Differential Revision: D6367445 fbshipit-source-id: f68afeff42535dc991747f96a63f3c956faf13d3
61 lines
2.0 KiB
Objective-C
61 lines
2.0 KiB
Objective-C
#import "RCTWKWebViewManager.h"
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#import "RCTUIManager.h"
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#import "RCTWKWebView.h"
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@implementation RCTWKWebViewManager
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RCT_EXPORT_MODULE()
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- (UIView *)view
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{
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return [RCTWKWebView new];
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}
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RCT_EXPORT_VIEW_PROPERTY(source, NSDictionary)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingStart, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingFinish, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingError, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(injectedJavaScript, NSString)
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/**
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* Expose methods to enable messaging the webview.
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*/
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RCT_EXPORT_VIEW_PROPERTY(messagingEnabled, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(onMessage, RCTDirectEventBlock)
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RCT_EXPORT_METHOD(postMessage:(nonnull NSNumber *)reactTag message:(NSString *)message)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
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RCTWKWebView *view = viewRegistry[reactTag];
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if (![view isKindOfClass:[RCTWKWebView class]]) {
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RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
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} else {
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[view postMessage:message];
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}
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}];
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}
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RCT_REMAP_VIEW_PROPERTY(bounces, _webView.scrollView.bounces, BOOL)
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RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RCTWKWebView) {
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view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
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}
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RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RCTWKWebView) {
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view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
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}
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RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
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RCTWKWebView *view = viewRegistry[reactTag];
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if (![view isKindOfClass:[RCTWKWebView class]]) {
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RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
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} else {
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[view injectJavaScript:script];
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}
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}];
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}
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@end
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