1434 lines
54 KiB
Objective-C
1434 lines
54 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RNCWebView.h"
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#import <React/RCTConvert.h>
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#import <React/RCTAutoInsetsProtocol.h>
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#import "RNCWKProcessPoolManager.h"
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#if !TARGET_OS_OSX
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#import <UIKit/UIKit.h>
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#else
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#import <React/RCTUIKit.h>
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#endif // !TARGET_OS_OSX
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#import "objc/runtime.h"
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static NSTimer *keyboardTimer;
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static NSString *const HistoryShimName = @"ReactNativeHistoryShim";
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static NSString *const MessageHandlerName = @"ReactNativeWebView";
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static NSURLCredential* clientAuthenticationCredential;
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static NSDictionary* customCertificatesForHost;
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#if !TARGET_OS_OSX
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// runtime trick to remove WKWebView keyboard default toolbar
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// see: http://stackoverflow.com/questions/19033292/ios-7-uiwebview-keyboard-issue/19042279#19042279
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@interface _SwizzleHelperWK : UIView
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@property (nonatomic, copy) WKWebView *webView;
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@end
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@implementation _SwizzleHelperWK
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-(id)inputAccessoryView
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{
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if (_webView == nil) {
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return nil;
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}
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if ([_webView respondsToSelector:@selector(inputAssistantItem)]) {
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UITextInputAssistantItem *inputAssistantItem = [_webView inputAssistantItem];
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inputAssistantItem.leadingBarButtonGroups = @[];
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inputAssistantItem.trailingBarButtonGroups = @[];
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}
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return nil;
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}
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@end
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#endif // !TARGET_OS_OSX
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#if TARGET_OS_OSX
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@interface RNCWKWebView : WKWebView
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@end
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@implementation RNCWKWebView
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- (void)scrollWheel:(NSEvent *)theEvent {
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RNCWebView *rncWebView = (RNCWebView *)[self superview];
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RCTAssert([rncWebView isKindOfClass:[rncWebView class]], @"superview must be an RNCWebView");
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if (![rncWebView scrollEnabled]) {
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[[self nextResponder] scrollWheel:theEvent];
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return;
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}
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[super scrollWheel:theEvent];
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}
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@end
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#endif // TARGET_OS_OSX
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@interface RNCWebView () <WKUIDelegate, WKNavigationDelegate, WKScriptMessageHandler,
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#if !TARGET_OS_OSX
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UIScrollViewDelegate,
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#endif // !TARGET_OS_OSX
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RCTAutoInsetsProtocol>
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@property (nonatomic, copy) RCTDirectEventBlock onFileDownload;
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@property (nonatomic, copy) RCTDirectEventBlock onLoadingStart;
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@property (nonatomic, copy) RCTDirectEventBlock onLoadingFinish;
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@property (nonatomic, copy) RCTDirectEventBlock onLoadingError;
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@property (nonatomic, copy) RCTDirectEventBlock onLoadingProgress;
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@property (nonatomic, copy) RCTDirectEventBlock onShouldStartLoadWithRequest;
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@property (nonatomic, copy) RCTDirectEventBlock onHttpError;
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@property (nonatomic, copy) RCTDirectEventBlock onMessage;
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@property (nonatomic, copy) RCTDirectEventBlock onScroll;
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@property (nonatomic, copy) RCTDirectEventBlock onContentProcessDidTerminate;
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#if !TARGET_OS_OSX
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@property (nonatomic, copy) WKWebView *webView;
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#else
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@property (nonatomic, copy) RNCWKWebView *webView;
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#endif // !TARGET_OS_OSX
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@property (nonatomic, strong) WKUserScript *postMessageScript;
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@property (nonatomic, strong) WKUserScript *atStartScript;
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@property (nonatomic, strong) WKUserScript *atEndScript;
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@end
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@implementation RNCWebView
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{
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#if !TARGET_OS_OSX
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UIColor * _savedBackgroundColor;
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#else
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RCTUIColor * _savedBackgroundColor;
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#endif // !TARGET_OS_OSX
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BOOL _savedHideKeyboardAccessoryView;
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BOOL _savedKeyboardDisplayRequiresUserAction;
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// Workaround for StatusBar appearance bug for iOS 12
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// https://github.com/react-native-webview/react-native-webview/issues/62
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BOOL _isFullScreenVideoOpen;
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#if !TARGET_OS_OSX
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UIStatusBarStyle _savedStatusBarStyle;
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#endif // !TARGET_OS_OSX
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BOOL _savedStatusBarHidden;
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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UIScrollViewContentInsetAdjustmentBehavior _savedContentInsetAdjustmentBehavior;
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#endif
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 /* __IPHONE_13_0 */
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BOOL _savedAutomaticallyAdjustsScrollIndicatorInsets;
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#endif
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}
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- (instancetype)initWithFrame:(CGRect)frame
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{
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if ((self = [super initWithFrame:frame])) {
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#if !TARGET_OS_OSX
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super.backgroundColor = [UIColor clearColor];
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#else
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super.backgroundColor = [RCTUIColor clearColor];
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#endif // !TARGET_OS_OSX
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_bounces = YES;
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_scrollEnabled = YES;
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_showsHorizontalScrollIndicator = YES;
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_showsVerticalScrollIndicator = YES;
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_directionalLockEnabled = YES;
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_automaticallyAdjustContentInsets = YES;
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_autoManageStatusBarEnabled = YES;
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_contentInset = UIEdgeInsetsZero;
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_savedKeyboardDisplayRequiresUserAction = YES;
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#if !TARGET_OS_OSX
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_savedStatusBarStyle = RCTSharedApplication().statusBarStyle;
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_savedStatusBarHidden = RCTSharedApplication().statusBarHidden;
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#endif // !TARGET_OS_OSX
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_injectedJavaScript = nil;
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_injectedJavaScriptForMainFrameOnly = YES;
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_injectedJavaScriptBeforeContentLoaded = nil;
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_injectedJavaScriptBeforeContentLoadedForMainFrameOnly = YES;
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
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_savedContentInsetAdjustmentBehavior = UIScrollViewContentInsetAdjustmentNever;
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#endif
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 /* __IPHONE_13_0 */
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_savedAutomaticallyAdjustsScrollIndicatorInsets = NO;
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#endif
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}
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#if !TARGET_OS_OSX
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[[NSNotificationCenter defaultCenter]addObserver:self
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selector:@selector(appDidBecomeActive)
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name:UIApplicationDidBecomeActiveNotification
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object:nil];
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[[NSNotificationCenter defaultCenter]addObserver:self
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selector:@selector(appWillResignActive)
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name:UIApplicationWillResignActiveNotification
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object:nil];
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if (@available(iOS 12.0, *)) {
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// Workaround for a keyboard dismissal bug present in iOS 12
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// https://openradar.appspot.com/radar?id=5018321736957952
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[[NSNotificationCenter defaultCenter]
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addObserver:self
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selector:@selector(keyboardWillHide)
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name:UIKeyboardWillHideNotification object:nil];
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[[NSNotificationCenter defaultCenter]
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addObserver:self
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selector:@selector(keyboardWillShow)
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name:UIKeyboardWillShowNotification object:nil];
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// Workaround for StatusBar appearance bug for iOS 12
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// https://github.com/react-native-webview/react-native-webview/issues/62
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(showFullScreenVideoStatusBars)
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name:UIWindowDidBecomeVisibleNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(hideFullScreenVideoStatusBars)
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name:UIWindowDidBecomeHiddenNotification
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object:nil];
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}
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#endif // !TARGET_OS_OSX
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return self;
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}
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- (void)dealloc
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{
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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/**
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* See https://stackoverflow.com/questions/25713069/why-is-wkwebview-not-opening-links-with-target-blank/25853806#25853806 for details.
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*/
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- (WKWebView *)webView:(WKWebView *)webView createWebViewWithConfiguration:(WKWebViewConfiguration *)configuration forNavigationAction:(WKNavigationAction *)navigationAction windowFeatures:(WKWindowFeatures *)windowFeatures
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{
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if (!navigationAction.targetFrame.isMainFrame) {
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[webView loadRequest:navigationAction.request];
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}
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return nil;
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}
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- (WKWebViewConfiguration *)setUpWkWebViewConfig
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{
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WKWebViewConfiguration *wkWebViewConfig = [WKWebViewConfiguration new];
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WKPreferences *prefs = [[WKPreferences alloc]init];
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BOOL _prefsUsed = NO;
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if (!_javaScriptEnabled) {
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prefs.javaScriptEnabled = NO;
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_prefsUsed = YES;
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}
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if (_allowUniversalAccessFromFileURLs) {
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[wkWebViewConfig setValue:@TRUE forKey:@"allowUniversalAccessFromFileURLs"];
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}
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if (_allowFileAccessFromFileURLs) {
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[prefs setValue:@TRUE forKey:@"allowFileAccessFromFileURLs"];
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_prefsUsed = YES;
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}
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if (_javaScriptCanOpenWindowsAutomatically) {
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[prefs setValue:@TRUE forKey:@"javaScriptCanOpenWindowsAutomatically"];
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_prefsUsed = YES;
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}
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if (_prefsUsed) {
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wkWebViewConfig.preferences = prefs;
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}
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if (_incognito) {
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wkWebViewConfig.websiteDataStore = [WKWebsiteDataStore nonPersistentDataStore];
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} else if (_cacheEnabled) {
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wkWebViewConfig.websiteDataStore = [WKWebsiteDataStore defaultDataStore];
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}
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if(self.useSharedProcessPool) {
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wkWebViewConfig.processPool = [[RNCWKProcessPoolManager sharedManager] sharedProcessPool];
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}
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wkWebViewConfig.userContentController = [WKUserContentController new];
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 /* iOS 13 */
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if (@available(iOS 13.0, *)) {
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WKWebpagePreferences *pagePrefs = [[WKWebpagePreferences alloc]init];
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pagePrefs.preferredContentMode = _contentMode;
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wkWebViewConfig.defaultWebpagePreferences = pagePrefs;
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}
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#endif
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 140000 /* iOS 14 */
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if (@available(iOS 14.0, *)) {
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if ([wkWebViewConfig respondsToSelector:@selector(limitsNavigationsToAppBoundDomains)]) {
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if (_limitsNavigationsToAppBoundDomains) {
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wkWebViewConfig.limitsNavigationsToAppBoundDomains = YES;
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}
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}
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}
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#endif
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// Shim the HTML5 history API:
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[wkWebViewConfig.userContentController addScriptMessageHandler:[[RNCWeakScriptMessageDelegate alloc] initWithDelegate:self]
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name:HistoryShimName];
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[self resetupScripts:wkWebViewConfig];
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#if !TARGET_OS_OSX
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wkWebViewConfig.allowsInlineMediaPlayback = _allowsInlineMediaPlayback;
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#if WEBKIT_IOS_10_APIS_AVAILABLE
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wkWebViewConfig.mediaTypesRequiringUserActionForPlayback = _mediaPlaybackRequiresUserAction
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? WKAudiovisualMediaTypeAll
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: WKAudiovisualMediaTypeNone;
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wkWebViewConfig.dataDetectorTypes = _dataDetectorTypes;
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#else
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wkWebViewConfig.mediaPlaybackRequiresUserAction = _mediaPlaybackRequiresUserAction;
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#endif
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#endif // !TARGET_OS_OSX
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if (_applicationNameForUserAgent) {
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wkWebViewConfig.applicationNameForUserAgent = [NSString stringWithFormat:@"%@ %@", wkWebViewConfig.applicationNameForUserAgent, _applicationNameForUserAgent];
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}
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return wkWebViewConfig;
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}
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- (void)didMoveToWindow
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{
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if (self.window != nil && _webView == nil) {
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WKWebViewConfiguration *wkWebViewConfig = [self setUpWkWebViewConfig];
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#if !TARGET_OS_OSX
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_webView = [[WKWebView alloc] initWithFrame:self.bounds configuration: wkWebViewConfig];
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#else
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_webView = [[RNCWKWebView alloc] initWithFrame:self.bounds configuration: wkWebViewConfig];
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#endif // !TARGET_OS_OSX
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[self setBackgroundColor: _savedBackgroundColor];
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#if !TARGET_OS_OSX
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_webView.scrollView.delegate = self;
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#endif // !TARGET_OS_OSX
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_webView.UIDelegate = self;
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_webView.navigationDelegate = self;
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#if !TARGET_OS_OSX
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if (_pullToRefreshEnabled) {
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[self addPullToRefreshControl];
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}
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_webView.scrollView.scrollEnabled = _scrollEnabled;
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_webView.scrollView.pagingEnabled = _pagingEnabled;
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//For UIRefreshControl to work correctly, the bounces should always be true
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_webView.scrollView.bounces = _pullToRefreshEnabled || _bounces;
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_webView.scrollView.showsHorizontalScrollIndicator = _showsHorizontalScrollIndicator;
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_webView.scrollView.showsVerticalScrollIndicator = _showsVerticalScrollIndicator;
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_webView.scrollView.directionalLockEnabled = _directionalLockEnabled;
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#endif // !TARGET_OS_OSX
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_webView.allowsLinkPreview = _allowsLinkPreview;
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[_webView addObserver:self forKeyPath:@"estimatedProgress" options:NSKeyValueObservingOptionOld | NSKeyValueObservingOptionNew context:nil];
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_webView.allowsBackForwardNavigationGestures = _allowsBackForwardNavigationGestures;
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|
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if (_userAgent) {
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_webView.customUserAgent = _userAgent;
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}
|
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
|
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if ([_webView.scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
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_webView.scrollView.contentInsetAdjustmentBehavior = _savedContentInsetAdjustmentBehavior;
|
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}
|
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#endif
|
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#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 /* __IPHONE_13_0 */
|
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if (@available(iOS 13.0, *)) {
|
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_webView.scrollView.automaticallyAdjustsScrollIndicatorInsets = _savedAutomaticallyAdjustsScrollIndicatorInsets;
|
||
}
|
||
#endif
|
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|
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[self addSubview:_webView];
|
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[self setHideKeyboardAccessoryView: _savedHideKeyboardAccessoryView];
|
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[self setKeyboardDisplayRequiresUserAction: _savedKeyboardDisplayRequiresUserAction];
|
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[self visitSource];
|
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}
|
||
}
|
||
|
||
// Update webview property when the component prop changes.
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- (void)setAllowsBackForwardNavigationGestures:(BOOL)allowsBackForwardNavigationGestures {
|
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_allowsBackForwardNavigationGestures = allowsBackForwardNavigationGestures;
|
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_webView.allowsBackForwardNavigationGestures = _allowsBackForwardNavigationGestures;
|
||
}
|
||
|
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- (void)removeFromSuperview
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{
|
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if (_webView) {
|
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[_webView.configuration.userContentController removeScriptMessageHandlerForName:HistoryShimName];
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[_webView.configuration.userContentController removeScriptMessageHandlerForName:MessageHandlerName];
|
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[_webView removeObserver:self forKeyPath:@"estimatedProgress"];
|
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[_webView removeFromSuperview];
|
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#if !TARGET_OS_OSX
|
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_webView.scrollView.delegate = nil;
|
||
#endif // !TARGET_OS_OSX
|
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_webView = nil;
|
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if (_onContentProcessDidTerminate) {
|
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NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
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_onContentProcessDidTerminate(event);
|
||
}
|
||
}
|
||
|
||
[super removeFromSuperview];
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
-(void)showFullScreenVideoStatusBars
|
||
{
|
||
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
||
if (!_autoManageStatusBarEnabled) {
|
||
return;
|
||
}
|
||
|
||
_isFullScreenVideoOpen = YES;
|
||
RCTUnsafeExecuteOnMainQueueSync(^{
|
||
[RCTSharedApplication() setStatusBarStyle:self->_savedStatusBarStyle animated:YES];
|
||
});
|
||
#pragma clang diagnostic pop
|
||
}
|
||
|
||
-(void)hideFullScreenVideoStatusBars
|
||
{
|
||
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
|
||
if (!_autoManageStatusBarEnabled) {
|
||
return;
|
||
}
|
||
|
||
_isFullScreenVideoOpen = NO;
|
||
RCTUnsafeExecuteOnMainQueueSync(^{
|
||
[RCTSharedApplication() setStatusBarHidden:self->_savedStatusBarHidden animated:YES];
|
||
[RCTSharedApplication() setStatusBarStyle:self->_savedStatusBarStyle animated:YES];
|
||
});
|
||
#pragma clang diagnostic pop
|
||
}
|
||
|
||
-(void)keyboardWillHide
|
||
{
|
||
keyboardTimer = [NSTimer scheduledTimerWithTimeInterval:0 target:self selector:@selector(keyboardDisplacementFix) userInfo:nil repeats:false];
|
||
[[NSRunLoop mainRunLoop] addTimer:keyboardTimer forMode:NSRunLoopCommonModes];
|
||
}
|
||
-(void)keyboardWillShow
|
||
{
|
||
if (keyboardTimer != nil) {
|
||
[keyboardTimer invalidate];
|
||
}
|
||
}
|
||
-(void)keyboardDisplacementFix
|
||
{
|
||
// Additional viewport checks to prevent unintentional scrolls
|
||
UIScrollView *scrollView = self.webView.scrollView;
|
||
double maxContentOffset = scrollView.contentSize.height - scrollView.frame.size.height;
|
||
if (maxContentOffset < 0) {
|
||
maxContentOffset = 0;
|
||
}
|
||
if (scrollView.contentOffset.y > maxContentOffset) {
|
||
// https://stackoverflow.com/a/9637807/824966
|
||
[UIView animateWithDuration:.25 animations:^{
|
||
scrollView.contentOffset = CGPointMake(0, maxContentOffset);
|
||
}];
|
||
}
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSKeyValueChangeKey,id> *)change context:(void *)context{
|
||
if ([keyPath isEqual:@"estimatedProgress"] && object == self.webView) {
|
||
if(_onLoadingProgress){
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary:@{@"progress":[NSNumber numberWithDouble:self.webView.estimatedProgress]}];
|
||
_onLoadingProgress(event);
|
||
}
|
||
}else{
|
||
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
|
||
}
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
- (void)setBackgroundColor:(UIColor *)backgroundColor
|
||
#else
|
||
- (void)setBackgroundColor:(RCTUIColor *)backgroundColor
|
||
#endif // !TARGET_OS_OSX
|
||
{
|
||
_savedBackgroundColor = backgroundColor;
|
||
if (_webView == nil) {
|
||
return;
|
||
}
|
||
|
||
CGFloat alpha = CGColorGetAlpha(backgroundColor.CGColor);
|
||
BOOL opaque = (alpha == 1.0);
|
||
#if !TARGET_OS_OSX
|
||
self.opaque = _webView.opaque = opaque;
|
||
_webView.scrollView.backgroundColor = backgroundColor;
|
||
_webView.backgroundColor = backgroundColor;
|
||
#else
|
||
// https://stackoverflow.com/questions/40007753/macos-wkwebview-background-transparency
|
||
NSOperatingSystemVersion version = { 10, 12, 0 };
|
||
if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion:version]) {
|
||
[_webView setValue:@(opaque) forKey: @"drawsBackground"];
|
||
} else {
|
||
[_webView setValue:@(!opaque) forKey: @"drawsTransparentBackground"];
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 110000 /* __IPHONE_11_0 */
|
||
- (void)setContentInsetAdjustmentBehavior:(UIScrollViewContentInsetAdjustmentBehavior)behavior
|
||
{
|
||
_savedContentInsetAdjustmentBehavior = behavior;
|
||
if (_webView == nil) {
|
||
return;
|
||
}
|
||
|
||
if ([_webView.scrollView respondsToSelector:@selector(setContentInsetAdjustmentBehavior:)]) {
|
||
CGPoint contentOffset = _webView.scrollView.contentOffset;
|
||
_webView.scrollView.contentInsetAdjustmentBehavior = behavior;
|
||
_webView.scrollView.contentOffset = contentOffset;
|
||
}
|
||
}
|
||
#endif
|
||
#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 130000 /* __IPHONE_13_0 */
|
||
- (void)setAutomaticallyAdjustsScrollIndicatorInsets:(BOOL)automaticallyAdjustsScrollIndicatorInsets{
|
||
_savedAutomaticallyAdjustsScrollIndicatorInsets = automaticallyAdjustsScrollIndicatorInsets;
|
||
if (_webView == nil) {
|
||
return;
|
||
}
|
||
if ([_webView.scrollView respondsToSelector:@selector(setAutomaticallyAdjustsScrollIndicatorInsets:)]) {
|
||
_webView.scrollView.automaticallyAdjustsScrollIndicatorInsets = automaticallyAdjustsScrollIndicatorInsets;
|
||
}
|
||
}
|
||
#endif
|
||
/**
|
||
* This method is called whenever JavaScript running within the web view calls:
|
||
* - window.webkit.messageHandlers[MessageHandlerName].postMessage
|
||
*/
|
||
- (void)userContentController:(WKUserContentController *)userContentController
|
||
didReceiveScriptMessage:(WKScriptMessage *)message
|
||
{
|
||
if ([message.name isEqualToString:HistoryShimName]) {
|
||
if (_onLoadingFinish) {
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary: @{@"navigationType": message.body}];
|
||
_onLoadingFinish(event);
|
||
}
|
||
} else if ([message.name isEqualToString:MessageHandlerName]) {
|
||
if (_onMessage) {
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary: @{@"data": message.body}];
|
||
_onMessage(event);
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)setSource:(NSDictionary *)source
|
||
{
|
||
if (![_source isEqualToDictionary:source]) {
|
||
_source = [source copy];
|
||
|
||
if (_webView != nil) {
|
||
[self visitSource];
|
||
}
|
||
}
|
||
}
|
||
|
||
- (void)setAllowingReadAccessToURL:(NSString *)allowingReadAccessToURL
|
||
{
|
||
if (![_allowingReadAccessToURL isEqualToString:allowingReadAccessToURL]) {
|
||
_allowingReadAccessToURL = [allowingReadAccessToURL copy];
|
||
|
||
if (_webView != nil) {
|
||
[self visitSource];
|
||
}
|
||
}
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
- (void)setContentInset:(UIEdgeInsets)contentInset
|
||
{
|
||
_contentInset = contentInset;
|
||
[RCTView autoAdjustInsetsForView:self
|
||
withScrollView:_webView.scrollView
|
||
updateOffset:NO];
|
||
}
|
||
|
||
- (void)refreshContentInset
|
||
{
|
||
[RCTView autoAdjustInsetsForView:self
|
||
withScrollView:_webView.scrollView
|
||
updateOffset:YES];
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)visitSource
|
||
{
|
||
// Check for a static html source first
|
||
NSString *html = [RCTConvert NSString:_source[@"html"]];
|
||
if (html) {
|
||
NSURL *baseURL = [RCTConvert NSURL:_source[@"baseUrl"]];
|
||
if (!baseURL) {
|
||
baseURL = [NSURL URLWithString:@"about:blank"];
|
||
}
|
||
[_webView loadHTMLString:html baseURL:baseURL];
|
||
return;
|
||
}
|
||
//Add cookie for subsequent resource requests sent by page itself, if cookie was set in headers on WebView
|
||
NSString *headerCookie = [RCTConvert NSString:_source[@"headers"][@"cookie"]];
|
||
if(headerCookie) {
|
||
NSDictionary *headers = [NSDictionary dictionaryWithObjectsAndKeys:headerCookie,@"Set-Cookie",nil];
|
||
NSURL *urlString = [NSURL URLWithString:_source[@"uri"]];
|
||
NSArray *httpCookies = [NSHTTPCookie cookiesWithResponseHeaderFields:headers forURL:urlString];
|
||
for (NSHTTPCookie *httpCookie in httpCookies) {
|
||
[_webView.configuration.websiteDataStore.httpCookieStore setCookie:httpCookie completionHandler:nil];
|
||
}
|
||
}
|
||
|
||
NSURLRequest *request = [self requestForSource:_source];
|
||
// Because of the way React works, as pages redirect, we actually end up
|
||
// passing the redirect urls back here, so we ignore them if trying to load
|
||
// the same url. We'll expose a call to 'reload' to allow a user to load
|
||
// the existing page.
|
||
if ([request.URL isEqual:_webView.URL]) {
|
||
return;
|
||
}
|
||
if (!request.URL) {
|
||
// Clear the webview
|
||
[_webView loadHTMLString:@"" baseURL:nil];
|
||
return;
|
||
}
|
||
if (request.URL.host) {
|
||
[_webView loadRequest:request];
|
||
}
|
||
else {
|
||
NSURL* readAccessUrl = _allowingReadAccessToURL ? [RCTConvert NSURL:_allowingReadAccessToURL] : request.URL;
|
||
[_webView loadFileURL:request.URL allowingReadAccessToURL:readAccessUrl];
|
||
}
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
-(void)setKeyboardDisplayRequiresUserAction:(BOOL)keyboardDisplayRequiresUserAction
|
||
{
|
||
if (_webView == nil) {
|
||
_savedKeyboardDisplayRequiresUserAction = keyboardDisplayRequiresUserAction;
|
||
return;
|
||
}
|
||
|
||
if (_savedKeyboardDisplayRequiresUserAction == true) {
|
||
return;
|
||
}
|
||
|
||
UIView* subview;
|
||
|
||
for (UIView* view in _webView.scrollView.subviews) {
|
||
if([[view.class description] hasPrefix:@"WK"])
|
||
subview = view;
|
||
}
|
||
|
||
if(subview == nil) return;
|
||
|
||
Class class = subview.class;
|
||
|
||
NSOperatingSystemVersion iOS_11_3_0 = (NSOperatingSystemVersion){11, 3, 0};
|
||
NSOperatingSystemVersion iOS_12_2_0 = (NSOperatingSystemVersion){12, 2, 0};
|
||
NSOperatingSystemVersion iOS_13_0_0 = (NSOperatingSystemVersion){13, 0, 0};
|
||
|
||
Method method;
|
||
IMP override;
|
||
|
||
if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion: iOS_13_0_0]) {
|
||
// iOS 13.0.0 - Future
|
||
SEL selector = sel_getUid("_elementDidFocus:userIsInteracting:blurPreviousNode:activityStateChanges:userObject:");
|
||
method = class_getInstanceMethod(class, selector);
|
||
IMP original = method_getImplementation(method);
|
||
override = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, BOOL arg3, id arg4) {
|
||
((void (*)(id, SEL, void*, BOOL, BOOL, BOOL, id))original)(me, selector, arg0, TRUE, arg2, arg3, arg4);
|
||
});
|
||
}
|
||
else if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion: iOS_12_2_0]) {
|
||
// iOS 12.2.0 - iOS 13.0.0
|
||
SEL selector = sel_getUid("_elementDidFocus:userIsInteracting:blurPreviousNode:changingActivityState:userObject:");
|
||
method = class_getInstanceMethod(class, selector);
|
||
IMP original = method_getImplementation(method);
|
||
override = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, BOOL arg3, id arg4) {
|
||
((void (*)(id, SEL, void*, BOOL, BOOL, BOOL, id))original)(me, selector, arg0, TRUE, arg2, arg3, arg4);
|
||
});
|
||
}
|
||
else if ([[NSProcessInfo processInfo] isOperatingSystemAtLeastVersion: iOS_11_3_0]) {
|
||
// iOS 11.3.0 - 12.2.0
|
||
SEL selector = sel_getUid("_startAssistingNode:userIsInteracting:blurPreviousNode:changingActivityState:userObject:");
|
||
method = class_getInstanceMethod(class, selector);
|
||
IMP original = method_getImplementation(method);
|
||
override = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, BOOL arg3, id arg4) {
|
||
((void (*)(id, SEL, void*, BOOL, BOOL, BOOL, id))original)(me, selector, arg0, TRUE, arg2, arg3, arg4);
|
||
});
|
||
} else {
|
||
// iOS 9.0 - 11.3.0
|
||
SEL selector = sel_getUid("_startAssistingNode:userIsInteracting:blurPreviousNode:userObject:");
|
||
method = class_getInstanceMethod(class, selector);
|
||
IMP original = method_getImplementation(method);
|
||
override = imp_implementationWithBlock(^void(id me, void* arg0, BOOL arg1, BOOL arg2, id arg3) {
|
||
((void (*)(id, SEL, void*, BOOL, BOOL, id))original)(me, selector, arg0, TRUE, arg2, arg3);
|
||
});
|
||
}
|
||
|
||
method_setImplementation(method, override);
|
||
}
|
||
|
||
-(void)setHideKeyboardAccessoryView:(BOOL)hideKeyboardAccessoryView
|
||
{
|
||
if (_webView == nil) {
|
||
_savedHideKeyboardAccessoryView = hideKeyboardAccessoryView;
|
||
return;
|
||
}
|
||
|
||
if (_savedHideKeyboardAccessoryView == false) {
|
||
return;
|
||
}
|
||
|
||
UIView* subview;
|
||
|
||
for (UIView* view in _webView.scrollView.subviews) {
|
||
if([[view.class description] hasPrefix:@"WK"])
|
||
subview = view;
|
||
}
|
||
|
||
if(subview == nil) return;
|
||
|
||
NSString* name = [NSString stringWithFormat:@"%@_SwizzleHelperWK", subview.class.superclass];
|
||
Class newClass = NSClassFromString(name);
|
||
|
||
if(newClass == nil)
|
||
{
|
||
newClass = objc_allocateClassPair(subview.class, [name cStringUsingEncoding:NSASCIIStringEncoding], 0);
|
||
if(!newClass) return;
|
||
|
||
Method method = class_getInstanceMethod([_SwizzleHelperWK class], @selector(inputAccessoryView));
|
||
class_addMethod(newClass, @selector(inputAccessoryView), method_getImplementation(method), method_getTypeEncoding(method));
|
||
|
||
objc_registerClassPair(newClass);
|
||
}
|
||
|
||
object_setClass(subview, newClass);
|
||
}
|
||
|
||
// UIScrollViewDelegate method
|
||
- (void)scrollViewWillBeginDragging:(UIScrollView *)scrollView
|
||
{
|
||
scrollView.decelerationRate = _decelerationRate;
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)setScrollEnabled:(BOOL)scrollEnabled
|
||
{
|
||
_scrollEnabled = scrollEnabled;
|
||
#if !TARGET_OS_OSX
|
||
_webView.scrollView.scrollEnabled = scrollEnabled;
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
// UIScrollViewDelegate method
|
||
- (void)scrollViewDidScroll:(UIScrollView *)scrollView
|
||
{
|
||
// Don't allow scrolling the scrollView.
|
||
if (!_scrollEnabled) {
|
||
scrollView.bounds = _webView.bounds;
|
||
}
|
||
else if (_onScroll != nil) {
|
||
NSDictionary *event = @{
|
||
@"contentOffset": @{
|
||
@"x": @(scrollView.contentOffset.x),
|
||
@"y": @(scrollView.contentOffset.y)
|
||
},
|
||
@"contentInset": @{
|
||
@"top": @(scrollView.contentInset.top),
|
||
@"left": @(scrollView.contentInset.left),
|
||
@"bottom": @(scrollView.contentInset.bottom),
|
||
@"right": @(scrollView.contentInset.right)
|
||
},
|
||
@"contentSize": @{
|
||
@"width": @(scrollView.contentSize.width),
|
||
@"height": @(scrollView.contentSize.height)
|
||
},
|
||
@"layoutMeasurement": @{
|
||
@"width": @(scrollView.frame.size.width),
|
||
@"height": @(scrollView.frame.size.height)
|
||
},
|
||
@"zoomScale": @(scrollView.zoomScale ?: 1),
|
||
};
|
||
_onScroll(event);
|
||
}
|
||
}
|
||
|
||
- (void)setDirectionalLockEnabled:(BOOL)directionalLockEnabled
|
||
{
|
||
_directionalLockEnabled = directionalLockEnabled;
|
||
_webView.scrollView.directionalLockEnabled = directionalLockEnabled;
|
||
}
|
||
|
||
- (void)setShowsHorizontalScrollIndicator:(BOOL)showsHorizontalScrollIndicator
|
||
{
|
||
_showsHorizontalScrollIndicator = showsHorizontalScrollIndicator;
|
||
_webView.scrollView.showsHorizontalScrollIndicator = showsHorizontalScrollIndicator;
|
||
}
|
||
|
||
- (void)setShowsVerticalScrollIndicator:(BOOL)showsVerticalScrollIndicator
|
||
{
|
||
_showsVerticalScrollIndicator = showsVerticalScrollIndicator;
|
||
_webView.scrollView.showsVerticalScrollIndicator = showsVerticalScrollIndicator;
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)postMessage:(NSString *)message
|
||
{
|
||
NSDictionary *eventInitDict = @{@"data": message};
|
||
NSString *source = [NSString
|
||
stringWithFormat:@"window.dispatchEvent(new MessageEvent('message', %@));",
|
||
RCTJSONStringify(eventInitDict, NULL)
|
||
];
|
||
[self injectJavaScript: source];
|
||
}
|
||
|
||
- (void)layoutSubviews
|
||
{
|
||
[super layoutSubviews];
|
||
|
||
// Ensure webview takes the position and dimensions of RNCWebView
|
||
_webView.frame = self.bounds;
|
||
#if !TARGET_OS_OSX
|
||
_webView.scrollView.contentInset = _contentInset;
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
- (NSMutableDictionary<NSString *, id> *)baseEvent
|
||
{
|
||
NSDictionary *event = @{
|
||
@"url": _webView.URL.absoluteString ?: @"",
|
||
@"title": _webView.title ?: @"",
|
||
@"loading" : @(_webView.loading),
|
||
@"canGoBack": @(_webView.canGoBack),
|
||
@"canGoForward" : @(_webView.canGoForward)
|
||
};
|
||
return [[NSMutableDictionary alloc] initWithDictionary: event];
|
||
}
|
||
|
||
+ (void)setClientAuthenticationCredential:(nullable NSURLCredential*)credential {
|
||
clientAuthenticationCredential = credential;
|
||
}
|
||
|
||
+ (void)setCustomCertificatesForHost:(nullable NSDictionary*)certificates {
|
||
customCertificatesForHost = certificates;
|
||
}
|
||
|
||
- (void) webView:(WKWebView *)webView
|
||
didReceiveAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
|
||
completionHandler:(void (^)(NSURLSessionAuthChallengeDisposition disposition, NSURLCredential * _Nullable))completionHandler
|
||
{
|
||
NSString* host = nil;
|
||
if (webView.URL != nil) {
|
||
host = webView.URL.host;
|
||
}
|
||
if ([[challenge protectionSpace] authenticationMethod] == NSURLAuthenticationMethodClientCertificate) {
|
||
completionHandler(NSURLSessionAuthChallengeUseCredential, clientAuthenticationCredential);
|
||
return;
|
||
}
|
||
if ([[challenge protectionSpace] serverTrust] != nil && customCertificatesForHost != nil && host != nil) {
|
||
SecCertificateRef localCertificate = (__bridge SecCertificateRef)([customCertificatesForHost objectForKey:host]);
|
||
if (localCertificate != nil) {
|
||
NSData *localCertificateData = (NSData*) CFBridgingRelease(SecCertificateCopyData(localCertificate));
|
||
SecTrustRef trust = [[challenge protectionSpace] serverTrust];
|
||
long count = SecTrustGetCertificateCount(trust);
|
||
for (long i = 0; i < count; i++) {
|
||
SecCertificateRef serverCertificate = SecTrustGetCertificateAtIndex(trust, i);
|
||
if (serverCertificate == nil) { continue; }
|
||
NSData *serverCertificateData = (NSData *) CFBridgingRelease(SecCertificateCopyData(serverCertificate));
|
||
if ([serverCertificateData isEqualToData:localCertificateData]) {
|
||
NSURLCredential *useCredential = [NSURLCredential credentialForTrust:trust];
|
||
if (challenge.sender != nil) {
|
||
[challenge.sender useCredential:useCredential forAuthenticationChallenge:challenge];
|
||
}
|
||
completionHandler(NSURLSessionAuthChallengeUseCredential, useCredential);
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
completionHandler(NSURLSessionAuthChallengePerformDefaultHandling, nil);
|
||
}
|
||
|
||
#pragma mark - WKNavigationDelegate methods
|
||
|
||
/**
|
||
* alert
|
||
*/
|
||
- (void)webView:(WKWebView *)webView runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(void))completionHandler
|
||
{
|
||
#if !TARGET_OS_OSX
|
||
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"" message:message preferredStyle:UIAlertControllerStyleAlert];
|
||
[alert addAction:[UIAlertAction actionWithTitle:@"Ok" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
|
||
completionHandler();
|
||
}]];
|
||
[[self topViewController] presentViewController:alert animated:YES completion:NULL];
|
||
#else
|
||
NSAlert *alert = [[NSAlert alloc] init];
|
||
[alert setMessageText:message];
|
||
[alert beginSheetModalForWindow:[NSApp keyWindow] completionHandler:^(__unused NSModalResponse response){
|
||
completionHandler();
|
||
}];
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
/**
|
||
* confirm
|
||
*/
|
||
- (void)webView:(WKWebView *)webView runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(BOOL))completionHandler{
|
||
#if !TARGET_OS_OSX
|
||
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"" message:message preferredStyle:UIAlertControllerStyleAlert];
|
||
[alert addAction:[UIAlertAction actionWithTitle:@"Ok" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
|
||
completionHandler(YES);
|
||
}]];
|
||
[alert addAction:[UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
|
||
completionHandler(NO);
|
||
}]];
|
||
[[self topViewController] presentViewController:alert animated:YES completion:NULL];
|
||
#else
|
||
NSAlert *alert = [[NSAlert alloc] init];
|
||
[alert setMessageText:message];
|
||
[alert addButtonWithTitle:NSLocalizedString(@"OK", @"OK button")];
|
||
[alert addButtonWithTitle:NSLocalizedString(@"Cancel", @"Cancel button")];
|
||
void (^callbacksHandlers)(NSModalResponse response) = ^void(NSModalResponse response) {
|
||
completionHandler(response == NSAlertFirstButtonReturn);
|
||
};
|
||
[alert beginSheetModalForWindow:[NSApp keyWindow] completionHandler:callbacksHandlers];
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
/**
|
||
* prompt
|
||
*/
|
||
- (void)webView:(WKWebView *)webView runJavaScriptTextInputPanelWithPrompt:(NSString *)prompt defaultText:(NSString *)defaultText initiatedByFrame:(WKFrameInfo *)frame completionHandler:(void (^)(NSString *))completionHandler{
|
||
#if !TARGET_OS_OSX
|
||
UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"" message:prompt preferredStyle:UIAlertControllerStyleAlert];
|
||
[alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
|
||
textField.text = defaultText;
|
||
}];
|
||
UIAlertAction *okAction = [UIAlertAction actionWithTitle:@"Ok" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
|
||
completionHandler([[alert.textFields lastObject] text]);
|
||
}];
|
||
[alert addAction:okAction];
|
||
UIAlertAction *cancelAction = [UIAlertAction actionWithTitle:@"Cancel" style:UIAlertActionStyleCancel handler:^(UIAlertAction *action) {
|
||
completionHandler(nil);
|
||
}];
|
||
[alert addAction:cancelAction];
|
||
alert.preferredAction = okAction;
|
||
[[self topViewController] presentViewController:alert animated:YES completion:NULL];
|
||
#else
|
||
NSAlert *alert = [[NSAlert alloc] init];
|
||
[alert setMessageText:prompt];
|
||
|
||
const NSRect RCTSingleTextFieldFrame = NSMakeRect(0.0, 0.0, 275.0, 22.0);
|
||
NSTextField *textField = [[NSTextField alloc] initWithFrame:RCTSingleTextFieldFrame];
|
||
textField.cell.scrollable = YES;
|
||
if (@available(macOS 10.11, *)) {
|
||
textField.maximumNumberOfLines = 1;
|
||
}
|
||
textField.stringValue = defaultText;
|
||
[alert setAccessoryView:textField];
|
||
|
||
[alert addButtonWithTitle:NSLocalizedString(@"OK", @"OK button")];
|
||
[alert addButtonWithTitle:NSLocalizedString(@"Cancel", @"Cancel button")];
|
||
[alert beginSheetModalForWindow:[NSApp keyWindow] completionHandler:^(NSModalResponse response) {
|
||
if (response == NSAlertFirstButtonReturn) {
|
||
completionHandler([textField stringValue]);
|
||
} else {
|
||
completionHandler(nil);
|
||
}
|
||
}];
|
||
#endif // !TARGET_OS_OSX
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
/**
|
||
* topViewController
|
||
*/
|
||
-(UIViewController *)topViewController{
|
||
return RCTPresentedViewController();
|
||
}
|
||
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
/**
|
||
* Decides whether to allow or cancel a navigation.
|
||
* @see https://fburl.com/42r9fxob
|
||
*/
|
||
- (void) webView:(WKWebView *)webView
|
||
decidePolicyForNavigationAction:(WKNavigationAction *)navigationAction
|
||
decisionHandler:(void (^)(WKNavigationActionPolicy))decisionHandler
|
||
{
|
||
static NSDictionary<NSNumber *, NSString *> *navigationTypes;
|
||
static dispatch_once_t onceToken;
|
||
|
||
dispatch_once(&onceToken, ^{
|
||
navigationTypes = @{
|
||
@(WKNavigationTypeLinkActivated): @"click",
|
||
@(WKNavigationTypeFormSubmitted): @"formsubmit",
|
||
@(WKNavigationTypeBackForward): @"backforward",
|
||
@(WKNavigationTypeReload): @"reload",
|
||
@(WKNavigationTypeFormResubmitted): @"formresubmit",
|
||
@(WKNavigationTypeOther): @"other",
|
||
};
|
||
});
|
||
|
||
WKNavigationType navigationType = navigationAction.navigationType;
|
||
NSURLRequest *request = navigationAction.request;
|
||
BOOL isTopFrame = [request.URL isEqual:request.mainDocumentURL];
|
||
|
||
if (_onShouldStartLoadWithRequest) {
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary: @{
|
||
@"url": (request.URL).absoluteString,
|
||
@"mainDocumentURL": (request.mainDocumentURL).absoluteString,
|
||
@"navigationType": navigationTypes[@(navigationType)],
|
||
@"isTopFrame": @(isTopFrame)
|
||
}];
|
||
if (![self.delegate webView:self
|
||
shouldStartLoadForRequest:event
|
||
withCallback:_onShouldStartLoadWithRequest]) {
|
||
decisionHandler(WKNavigationActionPolicyCancel);
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (_onLoadingStart) {
|
||
// We have this check to filter out iframe requests and whatnot
|
||
if (isTopFrame) {
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary: @{
|
||
@"url": (request.URL).absoluteString,
|
||
@"navigationType": navigationTypes[@(navigationType)]
|
||
}];
|
||
_onLoadingStart(event);
|
||
}
|
||
}
|
||
|
||
// Allow all navigation by default
|
||
decisionHandler(WKNavigationActionPolicyAllow);
|
||
}
|
||
|
||
/**
|
||
* Called when the web view’s content process is terminated.
|
||
* @see https://developer.apple.com/documentation/webkit/wknavigationdelegate/1455639-webviewwebcontentprocessdidtermi?language=objc
|
||
*/
|
||
- (void)webViewWebContentProcessDidTerminate:(WKWebView *)webView
|
||
{
|
||
RCTLogWarn(@"Webview Process Terminated");
|
||
if (_onContentProcessDidTerminate) {
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
_onContentProcessDidTerminate(event);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Decides whether to allow or cancel a navigation after its response is known.
|
||
* @see https://developer.apple.com/documentation/webkit/wknavigationdelegate/1455643-webview?language=objc
|
||
*/
|
||
- (void) webView:(WKWebView *)webView
|
||
decidePolicyForNavigationResponse:(WKNavigationResponse *)navigationResponse
|
||
decisionHandler:(void (^)(WKNavigationResponsePolicy))decisionHandler
|
||
{
|
||
WKNavigationResponsePolicy policy = WKNavigationResponsePolicyAllow;
|
||
if (_onHttpError && navigationResponse.forMainFrame) {
|
||
if ([navigationResponse.response isKindOfClass:[NSHTTPURLResponse class]]) {
|
||
NSHTTPURLResponse *response = (NSHTTPURLResponse *)navigationResponse.response;
|
||
NSInteger statusCode = response.statusCode;
|
||
|
||
if (statusCode >= 400) {
|
||
NSMutableDictionary<NSString *, id> *httpErrorEvent = [self baseEvent];
|
||
[httpErrorEvent addEntriesFromDictionary: @{
|
||
@"url": response.URL.absoluteString,
|
||
@"statusCode": @(statusCode)
|
||
}];
|
||
|
||
_onHttpError(httpErrorEvent);
|
||
}
|
||
|
||
NSString *disposition = nil;
|
||
if (@available(iOS 13, *)) {
|
||
disposition = [response valueForHTTPHeaderField:@"Content-Disposition"];
|
||
}
|
||
BOOL isAttachment = disposition != nil && [disposition hasPrefix:@"attachment"];
|
||
if (isAttachment || !navigationResponse.canShowMIMEType) {
|
||
if (_onFileDownload) {
|
||
policy = WKNavigationResponsePolicyCancel;
|
||
|
||
NSMutableDictionary<NSString *, id> *downloadEvent = [self baseEvent];
|
||
[downloadEvent addEntriesFromDictionary: @{
|
||
@"downloadUrl": (response.URL).absoluteString,
|
||
}];
|
||
_onFileDownload(downloadEvent);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
decisionHandler(policy);
|
||
}
|
||
|
||
/**
|
||
* Called when an error occurs while the web view is loading content.
|
||
* @see https://fburl.com/km6vqenw
|
||
*/
|
||
- (void) webView:(WKWebView *)webView
|
||
didFailProvisionalNavigation:(WKNavigation *)navigation
|
||
withError:(NSError *)error
|
||
{
|
||
if (_onLoadingError) {
|
||
if ([error.domain isEqualToString:NSURLErrorDomain] && error.code == NSURLErrorCancelled) {
|
||
// NSURLErrorCancelled is reported when a page has a redirect OR if you load
|
||
// a new URL in the WebView before the previous one came back. We can just
|
||
// ignore these since they aren't real errors.
|
||
// http://stackoverflow.com/questions/1024748/how-do-i-fix-nsurlerrordomain-error-999-in-iphone-3-0-os
|
||
return;
|
||
}
|
||
|
||
if ([error.domain isEqualToString:@"WebKitErrorDomain"] &&
|
||
(error.code == 102 || error.code == 101)) {
|
||
// Error code 102 "Frame load interrupted" is raised by the WKWebView
|
||
// when the URL is from an http redirect. This is a common pattern when
|
||
// implementing OAuth with a WebView.
|
||
return;
|
||
}
|
||
|
||
NSMutableDictionary<NSString *, id> *event = [self baseEvent];
|
||
[event addEntriesFromDictionary:@{
|
||
@"didFailProvisionalNavigation": @YES,
|
||
@"domain": error.domain,
|
||
@"code": @(error.code),
|
||
@"description": error.localizedDescription,
|
||
}];
|
||
_onLoadingError(event);
|
||
}
|
||
}
|
||
|
||
- (void)evaluateJS:(NSString *)js
|
||
thenCall: (void (^)(NSString*)) callback
|
||
{
|
||
[self.webView evaluateJavaScript: js completionHandler: ^(id result, NSError *error) {
|
||
if (callback != nil) {
|
||
callback([NSString stringWithFormat:@"%@", result]);
|
||
}
|
||
if (error != nil) {
|
||
RCTLogWarn(@"%@", [NSString stringWithFormat:@"Error evaluating injectedJavaScript: This is possibly due to an unsupported return type. Try adding true to the end of your injectedJavaScript string. %@", error]);
|
||
}
|
||
}];
|
||
}
|
||
|
||
-(void)forceIgnoreSilentHardwareSwitch:(BOOL)initialSetup
|
||
{
|
||
NSString *mp3Str = @"data:audio/mp3;base64,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";
|
||
NSString *scr;
|
||
if (initialSetup) {
|
||
scr = [NSString stringWithFormat:@"var s=new Audio('%@');s.id='wkwebviewAudio';s.controls=false;s.loop=true;s.play();document.body.appendChild(s);true", mp3Str];
|
||
} else {
|
||
scr = [NSString stringWithFormat:@"var s=document.getElementById('wkwebviewAudio');s.src=null;s.parentNode.removeChild(s);s=null;s=new Audio('%@');s.id='wkwebviewAudio';s.controls=false;s.loop=true;s.play();document.body.appendChild(s);true", mp3Str];
|
||
}
|
||
[self evaluateJS: scr thenCall: nil];
|
||
}
|
||
|
||
-(void)disableIgnoreSilentSwitch
|
||
{
|
||
[self evaluateJS: @"document.getElementById('wkwebviewAudio').src=null;true" thenCall: nil];
|
||
}
|
||
|
||
-(void)appDidBecomeActive
|
||
{
|
||
if (_ignoreSilentHardwareSwitch) {
|
||
[self forceIgnoreSilentHardwareSwitch:false];
|
||
}
|
||
}
|
||
|
||
-(void)appWillResignActive
|
||
{
|
||
if (_ignoreSilentHardwareSwitch) {
|
||
[self disableIgnoreSilentSwitch];
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Called when the navigation is complete.
|
||
* @see https://fburl.com/rtys6jlb
|
||
*/
|
||
- (void)webView:(WKWebView *)webView
|
||
didFinishNavigation:(WKNavigation *)navigation
|
||
{
|
||
if (_ignoreSilentHardwareSwitch) {
|
||
[self forceIgnoreSilentHardwareSwitch:true];
|
||
}
|
||
|
||
if (_onLoadingFinish) {
|
||
_onLoadingFinish([self baseEvent]);
|
||
}
|
||
}
|
||
|
||
- (void)injectJavaScript:(NSString *)script
|
||
{
|
||
[self evaluateJS: script thenCall: nil];
|
||
}
|
||
|
||
- (void)goForward
|
||
{
|
||
[_webView goForward];
|
||
}
|
||
|
||
- (void)goBack
|
||
{
|
||
[_webView goBack];
|
||
}
|
||
|
||
- (void)reload
|
||
{
|
||
/**
|
||
* When the initial load fails due to network connectivity issues,
|
||
* [_webView reload] doesn't reload the webpage. Therefore, we must
|
||
* manually call [_webView loadRequest:request].
|
||
*/
|
||
NSURLRequest *request = [self requestForSource:self.source];
|
||
|
||
if (request.URL && !_webView.URL.absoluteString.length) {
|
||
[_webView loadRequest:request];
|
||
} else {
|
||
[_webView reload];
|
||
}
|
||
}
|
||
#if !TARGET_OS_OSX
|
||
- (void)addPullToRefreshControl
|
||
{
|
||
UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init];
|
||
_refreshControl = refreshControl;
|
||
[_webView.scrollView addSubview: refreshControl];
|
||
[refreshControl addTarget:self action:@selector(pullToRefresh:) forControlEvents: UIControlEventValueChanged];
|
||
}
|
||
|
||
- (void)pullToRefresh:(UIRefreshControl *)refreshControl
|
||
{
|
||
[self reload];
|
||
[refreshControl endRefreshing];
|
||
}
|
||
|
||
|
||
- (void)setPullToRefreshEnabled:(BOOL)pullToRefreshEnabled
|
||
{
|
||
_pullToRefreshEnabled = pullToRefreshEnabled;
|
||
|
||
if (pullToRefreshEnabled) {
|
||
[self addPullToRefreshControl];
|
||
} else {
|
||
[_refreshControl removeFromSuperview];
|
||
}
|
||
|
||
[self setBounces:_bounces];
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)stopLoading
|
||
{
|
||
[_webView stopLoading];
|
||
}
|
||
|
||
#if !TARGET_OS_OSX
|
||
- (void)setBounces:(BOOL)bounces
|
||
{
|
||
_bounces = bounces;
|
||
//For UIRefreshControl to work correctly, the bounces should always be true
|
||
_webView.scrollView.bounces = _pullToRefreshEnabled || bounces;
|
||
}
|
||
#endif // !TARGET_OS_OSX
|
||
|
||
- (void)setInjectedJavaScript:(NSString *)source {
|
||
_injectedJavaScript = source;
|
||
|
||
self.atEndScript = source == nil ? nil : [[WKUserScript alloc] initWithSource:source
|
||
injectionTime:WKUserScriptInjectionTimeAtDocumentEnd
|
||
forMainFrameOnly:_injectedJavaScriptForMainFrameOnly];
|
||
|
||
if(_webView != nil){
|
||
[self resetupScripts:_webView.configuration];
|
||
}
|
||
}
|
||
|
||
- (void)setInjectedJavaScriptBeforeContentLoaded:(NSString *)source {
|
||
_injectedJavaScriptBeforeContentLoaded = source;
|
||
|
||
self.atStartScript = source == nil ? nil : [[WKUserScript alloc] initWithSource:source
|
||
injectionTime:WKUserScriptInjectionTimeAtDocumentStart
|
||
forMainFrameOnly:_injectedJavaScriptBeforeContentLoadedForMainFrameOnly];
|
||
|
||
if(_webView != nil){
|
||
[self resetupScripts:_webView.configuration];
|
||
}
|
||
}
|
||
|
||
- (void)setInjectedJavaScriptForMainFrameOnly:(BOOL)mainFrameOnly {
|
||
_injectedJavaScriptForMainFrameOnly = mainFrameOnly;
|
||
[self setInjectedJavaScript:_injectedJavaScript];
|
||
}
|
||
|
||
- (void)setInjectedJavaScriptBeforeContentLoadedForMainFrameOnly:(BOOL)mainFrameOnly {
|
||
_injectedJavaScriptBeforeContentLoadedForMainFrameOnly = mainFrameOnly;
|
||
[self setInjectedJavaScriptBeforeContentLoaded:_injectedJavaScriptBeforeContentLoaded];
|
||
}
|
||
|
||
- (void)setMessagingEnabled:(BOOL)messagingEnabled {
|
||
_messagingEnabled = messagingEnabled;
|
||
|
||
self.postMessageScript = _messagingEnabled ?
|
||
[
|
||
[WKUserScript alloc]
|
||
initWithSource: [
|
||
NSString
|
||
stringWithFormat:
|
||
@"window.%@ = {"
|
||
" postMessage: function (data) {"
|
||
" window.webkit.messageHandlers.%@.postMessage(String(data));"
|
||
" }"
|
||
"};", MessageHandlerName, MessageHandlerName
|
||
]
|
||
injectionTime:WKUserScriptInjectionTimeAtDocumentStart
|
||
/* TODO: For a separate (minor) PR: use logic like this (as react-native-wkwebview does) so that messaging can be used in all frames if desired.
|
||
* I am keeping it as YES for consistency with previous behaviour. */
|
||
// forMainFrameOnly:_messagingEnabledForMainFrameOnly
|
||
forMainFrameOnly:YES
|
||
] :
|
||
nil;
|
||
|
||
if(_webView != nil){
|
||
[self resetupScripts:_webView.configuration];
|
||
}
|
||
}
|
||
|
||
- (void)resetupScripts:(WKWebViewConfiguration *)wkWebViewConfig {
|
||
[wkWebViewConfig.userContentController removeAllUserScripts];
|
||
[wkWebViewConfig.userContentController removeScriptMessageHandlerForName:MessageHandlerName];
|
||
|
||
NSString *html5HistoryAPIShimSource = [NSString stringWithFormat:
|
||
@"(function(history) {\n"
|
||
" function notify(type) {\n"
|
||
" setTimeout(function() {\n"
|
||
" window.webkit.messageHandlers.%@.postMessage(type)\n"
|
||
" }, 0)\n"
|
||
" }\n"
|
||
" function shim(f) {\n"
|
||
" return function pushState() {\n"
|
||
" notify('other')\n"
|
||
" return f.apply(history, arguments)\n"
|
||
" }\n"
|
||
" }\n"
|
||
" history.pushState = shim(history.pushState)\n"
|
||
" history.replaceState = shim(history.replaceState)\n"
|
||
" window.addEventListener('popstate', function() {\n"
|
||
" notify('backforward')\n"
|
||
" })\n"
|
||
"})(window.history)\n", HistoryShimName
|
||
];
|
||
WKUserScript *script = [[WKUserScript alloc] initWithSource:html5HistoryAPIShimSource injectionTime:WKUserScriptInjectionTimeAtDocumentStart forMainFrameOnly:YES];
|
||
[wkWebViewConfig.userContentController addUserScript:script];
|
||
|
||
if(_sharedCookiesEnabled) {
|
||
// More info to sending cookies with WKWebView
|
||
// https://stackoverflow.com/questions/26573137/can-i-set-the-cookies-to-be-used-by-a-wkwebview/26577303#26577303
|
||
if (@available(iOS 11.0, *)) {
|
||
// Set Cookies in iOS 11 and above, initialize websiteDataStore before setting cookies
|
||
// See also https://forums.developer.apple.com/thread/97194
|
||
// check if websiteDataStore has not been initialized before
|
||
if(!_incognito && !_cacheEnabled) {
|
||
wkWebViewConfig.websiteDataStore = [WKWebsiteDataStore nonPersistentDataStore];
|
||
}
|
||
for (NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) {
|
||
[wkWebViewConfig.websiteDataStore.httpCookieStore setCookie:cookie completionHandler:nil];
|
||
}
|
||
} else {
|
||
NSMutableString *script = [NSMutableString string];
|
||
|
||
// Clear all existing cookies in a direct called function. This ensures that no
|
||
// javascript error will break the web content javascript.
|
||
// We keep this code here, if someone requires that Cookies are also removed within the
|
||
// the WebView and want to extends the current sharedCookiesEnabled option with an
|
||
// additional property.
|
||
// Generates JS: document.cookie = "key=; Expires=Thu, 01 Jan 1970 00:00:01 GMT;"
|
||
// for each cookie which is already available in the WebView context.
|
||
/*
|
||
[script appendString:@"(function () {\n"];
|
||
[script appendString:@" var cookies = document.cookie.split('; ');\n"];
|
||
[script appendString:@" for (var i = 0; i < cookies.length; i++) {\n"];
|
||
[script appendString:@" if (cookies[i].indexOf('=') !== -1) {\n"];
|
||
[script appendString:@" document.cookie = cookies[i].split('=')[0] + '=; Expires=Thu, 01 Jan 1970 00:00:01 GMT';\n"];
|
||
[script appendString:@" }\n"];
|
||
[script appendString:@" }\n"];
|
||
[script appendString:@"})();\n\n"];
|
||
*/
|
||
|
||
// Set cookies in a direct called function. This ensures that no
|
||
// javascript error will break the web content javascript.
|
||
// Generates JS: document.cookie = "key=value; Path=/; Expires=Thu, 01 Jan 20xx 00:00:01 GMT;"
|
||
// for each cookie which is available in the application context.
|
||
[script appendString:@"(function () {\n"];
|
||
for (NSHTTPCookie *cookie in [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookies]) {
|
||
[script appendFormat:@"document.cookie = %@ + '=' + %@",
|
||
RCTJSONStringify(cookie.name, NULL),
|
||
RCTJSONStringify(cookie.value, NULL)];
|
||
if (cookie.path) {
|
||
[script appendFormat:@" + '; Path=' + %@", RCTJSONStringify(cookie.path, NULL)];
|
||
}
|
||
if (cookie.expiresDate) {
|
||
[script appendFormat:@" + '; Expires=' + new Date(%f).toUTCString()",
|
||
cookie.expiresDate.timeIntervalSince1970 * 1000
|
||
];
|
||
}
|
||
[script appendString:@";\n"];
|
||
}
|
||
[script appendString:@"})();\n"];
|
||
|
||
WKUserScript* cookieInScript = [[WKUserScript alloc] initWithSource:script
|
||
injectionTime:WKUserScriptInjectionTimeAtDocumentStart
|
||
forMainFrameOnly:YES];
|
||
[wkWebViewConfig.userContentController addUserScript:cookieInScript];
|
||
}
|
||
}
|
||
|
||
if(_messagingEnabled){
|
||
if (self.postMessageScript){
|
||
[wkWebViewConfig.userContentController addScriptMessageHandler:[[RNCWeakScriptMessageDelegate alloc] initWithDelegate:self]
|
||
name:MessageHandlerName];
|
||
[wkWebViewConfig.userContentController addUserScript:self.postMessageScript];
|
||
}
|
||
if (self.atEndScript) {
|
||
[wkWebViewConfig.userContentController addUserScript:self.atEndScript];
|
||
}
|
||
}
|
||
// Whether or not messaging is enabled, add the startup script if it exists.
|
||
if (self.atStartScript) {
|
||
[wkWebViewConfig.userContentController addUserScript:self.atStartScript];
|
||
}
|
||
}
|
||
|
||
- (NSURLRequest *)requestForSource:(id)json {
|
||
NSURLRequest *request = [RCTConvert NSURLRequest:self.source];
|
||
|
||
// If sharedCookiesEnabled we automatically add all application cookies to the
|
||
// http request. This is automatically done on iOS 11+ in the WebView constructor.
|
||
// Se we need to manually add these shared cookies here only for iOS versions < 11.
|
||
if (_sharedCookiesEnabled) {
|
||
if (@available(iOS 11.0, *)) {
|
||
// see WKWebView initialization for added cookies
|
||
} else if (request != nil) {
|
||
NSArray *cookies = [[NSHTTPCookieStorage sharedHTTPCookieStorage] cookiesForURL:request.URL];
|
||
NSDictionary<NSString *, NSString *> *cookieHeader = [NSHTTPCookie requestHeaderFieldsWithCookies:cookies];
|
||
NSMutableURLRequest *mutableRequest = [request mutableCopy];
|
||
[mutableRequest setAllHTTPHeaderFields:cookieHeader];
|
||
return mutableRequest;
|
||
}
|
||
}
|
||
return request;
|
||
}
|
||
|
||
@end
|
||
|
||
@implementation RNCWeakScriptMessageDelegate
|
||
|
||
- (instancetype)initWithDelegate:(id<WKScriptMessageHandler>)scriptDelegate {
|
||
self = [super init];
|
||
if (self) {
|
||
_scriptDelegate = scriptDelegate;
|
||
}
|
||
return self;
|
||
}
|
||
|
||
- (void)userContentController:(WKUserContentController *)userContentController didReceiveScriptMessage:(WKScriptMessage *)message {
|
||
[self.scriptDelegate userContentController:userContentController didReceiveScriptMessage:message];
|
||
}
|
||
|
||
@end
|