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RNCWKWebViewManager.m 6.3KB

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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(useSharedProcessPool, BOOL, RNCWKWebView) {
  64. view.useSharedProcessPool = json == nil ? true : [RCTConvert BOOL: json];
  65. }
  66. RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RNCWKWebView) {
  67. view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
  68. }
  69. RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RNCWKWebView) {
  70. view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
  71. }
  72. RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
  73. {
  74. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  75. RNCWKWebView *view = viewRegistry[reactTag];
  76. if (![view isKindOfClass:[RNCWKWebView class]]) {
  77. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  78. } else {
  79. [view injectJavaScript:script];
  80. }
  81. }];
  82. }
  83. RCT_EXPORT_METHOD(goBack:(nonnull NSNumber *)reactTag)
  84. {
  85. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  86. RNCWKWebView *view = viewRegistry[reactTag];
  87. if (![view isKindOfClass:[RNCWKWebView class]]) {
  88. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  89. } else {
  90. [view goBack];
  91. }
  92. }];
  93. }
  94. RCT_EXPORT_METHOD(goForward:(nonnull NSNumber *)reactTag)
  95. {
  96. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  97. RNCWKWebView *view = viewRegistry[reactTag];
  98. if (![view isKindOfClass:[RNCWKWebView class]]) {
  99. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  100. } else {
  101. [view goForward];
  102. }
  103. }];
  104. }
  105. RCT_EXPORT_METHOD(reload:(nonnull NSNumber *)reactTag)
  106. {
  107. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  108. RNCWKWebView *view = viewRegistry[reactTag];
  109. if (![view isKindOfClass:[RNCWKWebView class]]) {
  110. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  111. } else {
  112. [view reload];
  113. }
  114. }];
  115. }
  116. RCT_EXPORT_METHOD(stopLoading:(nonnull NSNumber *)reactTag)
  117. {
  118. [self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RNCWKWebView *> *viewRegistry) {
  119. RNCWKWebView *view = viewRegistry[reactTag];
  120. if (![view isKindOfClass:[RNCWKWebView class]]) {
  121. RCTLogError(@"Invalid view returned from registry, expecting RNCWKWebView, got: %@", view);
  122. } else {
  123. [view stopLoading];
  124. }
  125. }];
  126. }
  127. #pragma mark - Exported synchronous methods
  128. - (BOOL) webView:(RNCWKWebView *)webView
  129. shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
  130. withCallback:(RCTDirectEventBlock)callback
  131. {
  132. _shouldStartLoadLock = [[NSConditionLock alloc] initWithCondition:arc4random()];
  133. _shouldStartLoad = YES;
  134. request[@"lockIdentifier"] = @(_shouldStartLoadLock.condition);
  135. callback(request);
  136. // Block the main thread for a maximum of 250ms until the JS thread returns
  137. if ([_shouldStartLoadLock lockWhenCondition:0 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.25]]) {
  138. BOOL returnValue = _shouldStartLoad;
  139. [_shouldStartLoadLock unlock];
  140. _shouldStartLoadLock = nil;
  141. return returnValue;
  142. } else {
  143. RCTLogWarn(@"Did not receive response to shouldStartLoad in time, defaulting to YES");
  144. return YES;
  145. }
  146. }
  147. RCT_EXPORT_METHOD(startLoadWithResult:(BOOL)result lockIdentifier:(NSInteger)lockIdentifier)
  148. {
  149. if ([_shouldStartLoadLock tryLockWhenCondition:lockIdentifier]) {
  150. _shouldStartLoad = result;
  151. [_shouldStartLoadLock unlockWithCondition:0];
  152. } else {
  153. RCTLogWarn(@"startLoadWithResult invoked with invalid lockIdentifier: "
  154. "got %lld, expected %lld", (long long)lockIdentifier, (long long)_shouldStartLoadLock.condition);
  155. }
  156. }
  157. @end