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RNCWKWebViewManager.m 6.1KB

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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(userAgent, NSString)
  42. /**
  43. * Expose methods to enable messaging the webview.
  44. */
  45. RCT_EXPORT_VIEW_PROPERTY(messagingEnabled, BOOL)
  46. RCT_EXPORT_VIEW_PROPERTY(onMessage, RCTDirectEventBlock)
  47. RCT_EXPORT_METHOD(postMessage:(nonnull NSNumber *)reactTag message:(NSString *)message)
  48. {
  49. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  50. RNCWKWebView *view = viewRegistry[reactTag];
  51. if (![view isKindOfClass:[RNCWKWebView class]]) {
  52. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  53. } else {
  54. [view postMessage:message];
  55. }
  56. }];
  57. }
  58. RCT_CUSTOM_VIEW_PROPERTY(bounces, BOOL, RNCWKWebView) {
  59. view.bounces = json == nil ? true : [RCTConvert BOOL: json];
  60. }
  61. RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RNCWKWebView) {
  62. view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
  63. }
  64. RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RNCWKWebView) {
  65. view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
  66. }
  67. RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
  68. {
  69. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  70. RNCWKWebView *view = viewRegistry[reactTag];
  71. if (![view isKindOfClass:[RNCWKWebView class]]) {
  72. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  73. } else {
  74. [view injectJavaScript:script];
  75. }
  76. }];
  77. }
  78. RCT_EXPORT_METHOD(goBack:(nonnull NSNumber *)reactTag)
  79. {
  80. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  81. RNCWKWebView *view = viewRegistry[reactTag];
  82. if (![view isKindOfClass:[RNCWKWebView class]]) {
  83. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  84. } else {
  85. [view goBack];
  86. }
  87. }];
  88. }
  89. RCT_EXPORT_METHOD(goForward:(nonnull NSNumber *)reactTag)
  90. {
  91. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  92. RNCWKWebView *view = viewRegistry[reactTag];
  93. if (![view isKindOfClass:[RNCWKWebView class]]) {
  94. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  95. } else {
  96. [view goForward];
  97. }
  98. }];
  99. }
  100. RCT_EXPORT_METHOD(reload:(nonnull NSNumber *)reactTag)
  101. {
  102. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  103. RNCWKWebView *view = viewRegistry[reactTag];
  104. if (![view isKindOfClass:[RNCWKWebView class]]) {
  105. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  106. } else {
  107. [view reload];
  108. }
  109. }];
  110. }
  111. RCT_EXPORT_METHOD(stopLoading:(nonnull NSNumber *)reactTag)
  112. {
  113. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  114. RNCWKWebView *view = viewRegistry[reactTag];
  115. if (![view isKindOfClass:[RNCWKWebView class]]) {
  116. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  117. } else {
  118. [view stopLoading];
  119. }
  120. }];
  121. }
  122. #pragma mark - Exported synchronous methods
  123. - (BOOL) webView:(RNCWKWebView *)webView
  124. shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
  125. withCallback:(RCTDirectEventBlock)callback
  126. {
  127. _shouldStartLoadLock = [[NSConditionLock alloc] initWithCondition:arc4random()];
  128. _shouldStartLoad = YES;
  129. request[@"lockIdentifier"] = @(_shouldStartLoadLock.condition);
  130. callback(request);
  131. // Block the main thread for a maximum of 250ms until the JS thread returns
  132. if ([_shouldStartLoadLock lockWhenCondition:0 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.25]]) {
  133. BOOL returnValue = _shouldStartLoad;
  134. [_shouldStartLoadLock unlock];
  135. _shouldStartLoadLock = nil;
  136. return returnValue;
  137. } else {
  138. RCTLogWarn(@"Did not receive response to shouldStartLoad in time, defaulting to YES");
  139. return YES;
  140. }
  141. }
  142. RCT_EXPORT_METHOD(startLoadWithResult:(BOOL)result lockIdentifier:(NSInteger)lockIdentifier)
  143. {
  144. if ([_shouldStartLoadLock tryLockWhenCondition:lockIdentifier]) {
  145. _shouldStartLoad = result;
  146. [_shouldStartLoadLock unlockWithCondition:0];
  147. } else {
  148. RCTLogWarn(@"startLoadWithResult invoked with invalid lockIdentifier: "
  149. "got %lld, expected %lld", (long long)lockIdentifier, (long long)_shouldStartLoadLock.condition);
  150. }
  151. }
  152. @end