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RNCWKWebViewManager.m 6.2KB

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  1. /**
  2. * Copyright (c) 2015-present, Facebook, Inc.
  3. *
  4. * This source code is licensed under the MIT license found in the
  5. * LICENSE file in the root directory of this source tree.
  6. */
  7. #import "RNCWKWebViewManager.h"
  8. #import <React/RCTUIManager.h>
  9. #import <React/RCTDefines.h>
  10. #import "RNCWKWebView.h"
  11. @interface RNCWKWebViewManager () <RNCWKWebViewDelegate>
  12. @end
  13. @implementation RNCWKWebViewManager
  14. {
  15. NSConditionLock *_shouldStartLoadLock;
  16. BOOL _shouldStartLoad;
  17. }
  18. RCT_EXPORT_MODULE()
  19. - (UIView *)view
  20. {
  21. RNCWKWebView *webView = [RNCWKWebView new];
  22. webView.delegate = self;
  23. return webView;
  24. }
  25. RCT_EXPORT_VIEW_PROPERTY(source, NSDictionary)
  26. RCT_EXPORT_VIEW_PROPERTY(onLoadingStart, RCTDirectEventBlock)
  27. RCT_EXPORT_VIEW_PROPERTY(onLoadingFinish, RCTDirectEventBlock)
  28. RCT_EXPORT_VIEW_PROPERTY(onLoadingError, RCTDirectEventBlock)
  29. RCT_EXPORT_VIEW_PROPERTY(onLoadingProgress, RCTDirectEventBlock)
  30. RCT_EXPORT_VIEW_PROPERTY(onShouldStartLoadWithRequest, RCTDirectEventBlock)
  31. RCT_EXPORT_VIEW_PROPERTY(injectedJavaScript, NSString)
  32. RCT_EXPORT_VIEW_PROPERTY(allowsInlineMediaPlayback, BOOL)
  33. RCT_EXPORT_VIEW_PROPERTY(mediaPlaybackRequiresUserAction, BOOL)
  34. #if WEBKIT_IOS_10_APIS_AVAILABLE
  35. RCT_EXPORT_VIEW_PROPERTY(dataDetectorTypes, WKDataDetectorTypes)
  36. #endif
  37. RCT_EXPORT_VIEW_PROPERTY(contentInset, UIEdgeInsets)
  38. RCT_EXPORT_VIEW_PROPERTY(automaticallyAdjustContentInsets, BOOL)
  39. RCT_EXPORT_VIEW_PROPERTY(hideKeyboardAccessoryView, BOOL)
  40. RCT_EXPORT_VIEW_PROPERTY(allowsBackForwardNavigationGestures, BOOL)
  41. RCT_EXPORT_VIEW_PROPERTY(pagingEnabled, BOOL)
  42. RCT_EXPORT_VIEW_PROPERTY(userAgent, NSString)
  43. RCT_EXPORT_VIEW_PROPERTY(allowsLinkPreview, BOOL)
  44. /**
  45. * Expose methods to enable messaging the webview.
  46. */
  47. RCT_EXPORT_VIEW_PROPERTY(messagingEnabled, BOOL)
  48. RCT_EXPORT_VIEW_PROPERTY(onMessage, RCTDirectEventBlock)
  49. RCT_EXPORT_METHOD(postMessage:(nonnull NSNumber *)reactTag message:(NSString *)message)
  50. {
  51. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  52. RNCWKWebView *view = viewRegistry[reactTag];
  53. if (![view isKindOfClass:[RNCWKWebView class]]) {
  54. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  55. } else {
  56. [view postMessage:message];
  57. }
  58. }];
  59. }
  60. RCT_CUSTOM_VIEW_PROPERTY(bounces, BOOL, RNCWKWebView) {
  61. view.bounces = json == nil ? true : [RCTConvert BOOL: json];
  62. }
  63. RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RNCWKWebView) {
  64. view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
  65. }
  66. RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RNCWKWebView) {
  67. view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
  68. }
  69. RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
  70. {
  71. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  72. RNCWKWebView *view = viewRegistry[reactTag];
  73. if (![view isKindOfClass:[RNCWKWebView class]]) {
  74. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  75. } else {
  76. [view injectJavaScript:script];
  77. }
  78. }];
  79. }
  80. RCT_EXPORT_METHOD(goBack:(nonnull NSNumber *)reactTag)
  81. {
  82. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  83. RNCWKWebView *view = viewRegistry[reactTag];
  84. if (![view isKindOfClass:[RNCWKWebView class]]) {
  85. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  86. } else {
  87. [view goBack];
  88. }
  89. }];
  90. }
  91. RCT_EXPORT_METHOD(goForward:(nonnull NSNumber *)reactTag)
  92. {
  93. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  94. RNCWKWebView *view = viewRegistry[reactTag];
  95. if (![view isKindOfClass:[RNCWKWebView class]]) {
  96. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  97. } else {
  98. [view goForward];
  99. }
  100. }];
  101. }
  102. RCT_EXPORT_METHOD(reload:(nonnull NSNumber *)reactTag)
  103. {
  104. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  105. RNCWKWebView *view = viewRegistry[reactTag];
  106. if (![view isKindOfClass:[RNCWKWebView class]]) {
  107. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  108. } else {
  109. [view reload];
  110. }
  111. }];
  112. }
  113. RCT_EXPORT_METHOD(stopLoading:(nonnull NSNumber *)reactTag)
  114. {
  115. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  116. RNCWKWebView *view = viewRegistry[reactTag];
  117. if (![view isKindOfClass:[RNCWKWebView class]]) {
  118. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  119. } else {
  120. [view stopLoading];
  121. }
  122. }];
  123. }
  124. #pragma mark - Exported synchronous methods
  125. - (BOOL) webView:(RNCWKWebView *)webView
  126. shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
  127. withCallback:(RCTDirectEventBlock)callback
  128. {
  129. _shouldStartLoadLock = [[NSConditionLock alloc] initWithCondition:arc4random()];
  130. _shouldStartLoad = YES;
  131. request[@"lockIdentifier"] = @(_shouldStartLoadLock.condition);
  132. callback(request);
  133. // Block the main thread for a maximum of 250ms until the JS thread returns
  134. if ([_shouldStartLoadLock lockWhenCondition:0 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.25]]) {
  135. BOOL returnValue = _shouldStartLoad;
  136. [_shouldStartLoadLock unlock];
  137. _shouldStartLoadLock = nil;
  138. return returnValue;
  139. } else {
  140. RCTLogWarn(@"Did not receive response to shouldStartLoad in time, defaulting to YES");
  141. return YES;
  142. }
  143. }
  144. RCT_EXPORT_METHOD(startLoadWithResult:(BOOL)result lockIdentifier:(NSInteger)lockIdentifier)
  145. {
  146. if ([_shouldStartLoadLock tryLockWhenCondition:lockIdentifier]) {
  147. _shouldStartLoad = result;
  148. [_shouldStartLoadLock unlockWithCondition:0];
  149. } else {
  150. RCTLogWarn(@"startLoadWithResult invoked with invalid lockIdentifier: "
  151. "got %lld, expected %lld", (long long)lockIdentifier, (long long)_shouldStartLoadLock.condition);
  152. }
  153. }
  154. @end