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+// /**
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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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+
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+// #import "IRWebView.h"
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+
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+// #import <UIKit/UIKit.h>
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+
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+// #import "RCTAutoInsetsProtocol.h"
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+// #import "RCTConvert.h"
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+// #import "RCTEventDispatcher.h"
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+// #import "RCTLog.h"
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+// #import "RCTUtils.h"
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+// #import "RCTView.h"
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+// #import "UIView+React.h"
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+
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+// NSString *const RCTJSNavigationScheme = @"react-js-navigation";
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+
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+// static NSString *const kPostMessageHost = @"postMessage";
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+
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+// @interface IRWebView () <UIWebViewDelegate, RCTAutoInsetsProtocol>
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+
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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 onShouldStartLoadWithRequest;
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+// @property (nonatomic, copy) RCTDirectEventBlock onMessage;
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+
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+// @end
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+
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+// @implementation IRWebView
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+// {
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+// UIWebView *_webView;
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+// NSString *_injectedJavaScript;
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+// }
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+
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+// - (void)dealloc
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+// {
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+// _webView.delegate = nil;
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+// }
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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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+// super.backgroundColor = [UIColor clearColor];
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+// _automaticallyAdjustContentInsets = YES;
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+// _contentInset = UIEdgeInsetsZero;
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+// _webView = [[UIWebView alloc] initWithFrame:self.bounds];
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+// _webView.delegate = self;
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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 = UIScrollViewContentInsetAdjustmentNever;
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+// }
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+// #endif
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+// [self addSubview:_webView];
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+// }
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+// return self;
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+// }
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+
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+// RCT_NOT_IMPLEMENTED(- (instancetype)initWithCoder:(NSCoder *)aDecoder)
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+
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+// - (void)goForward
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+// {
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+// [_webView goForward];
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+// }
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+
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+// - (void)goBack
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+// {
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+// [_webView goBack];
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+// }
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+
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+// - (void)reload
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+// {
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+// NSURLRequest *request = [RCTConvert NSURLRequest:self.source];
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+// if (request.URL && !_webView.request.URL.absoluteString.length) {
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+// [_webView loadRequest:request];
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+// }
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+// else {
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+// [_webView reload];
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+// }
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+// }
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+
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+// - (void)stopLoading
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+// {
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+// [_webView stopLoading];
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+// }
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+
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+// - (void)postMessage:(NSString *)message
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+// {
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+// NSDictionary *eventInitDict = @{
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+// @"data": message,
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+// };
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+// NSString *source = [NSString
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+// stringWithFormat:@"document.dispatchEvent(new MessageEvent('message', %@));",
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+// RCTJSONStringify(eventInitDict, NULL)
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+// ];
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+// [_webView stringByEvaluatingJavaScriptFromString:source];
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+// }
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+
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+// - (void)injectJavaScript:(NSString *)script
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+// {
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+// [_webView stringByEvaluatingJavaScriptFromString:script];
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+// }
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+
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+// - (void)setSource:(NSDictionary *)source
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+// {
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+// if (![_source isEqualToDictionary:source]) {
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+// _source = [source copy];
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+
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+// // Check for a static html source first
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+// NSString *html = [RCTConvert NSString:source[@"html"]];
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+// if (html) {
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+// NSURL *baseURL = [RCTConvert NSURL:source[@"baseUrl"]];
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+// if (!baseURL) {
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+// baseURL = [NSURL URLWithString:@"about:blank"];
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+// }
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+// [_webView loadHTMLString:html baseURL:baseURL];
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+// return;
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+// }
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+
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+// NSURLRequest *request = [RCTConvert NSURLRequest:source];
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+// // Because of the way React works, as pages redirect, we actually end up
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+// // passing the redirect urls back here, so we ignore them if trying to load
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+// // the same url. We'll expose a call to 'reload' to allow a user to load
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+// // the existing page.
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+// if ([request.URL isEqual:_webView.request.URL]) {
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+// return;
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+// }
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+// if (!request.URL) {
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+// // Clear the webview
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+// [_webView loadHTMLString:@"" baseURL:nil];
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+// return;
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+// }
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+// [_webView loadRequest:request];
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+// }
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+// }
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+
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+// - (void)layoutSubviews
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+// {
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+// [super layoutSubviews];
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+// _webView.frame = self.bounds;
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+// }
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+
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+// - (void)setContentInset:(UIEdgeInsets)contentInset
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+// {
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+// _contentInset = contentInset;
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+// [RCTView autoAdjustInsetsForView:self
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+// withScrollView:_webView.scrollView
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+// updateOffset:NO];
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+// }
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+
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+// - (void)setScalesPageToFit:(BOOL)scalesPageToFit
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+// {
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+// if (_webView.scalesPageToFit != scalesPageToFit) {
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+// _webView.scalesPageToFit = scalesPageToFit;
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+// [_webView reload];
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+// }
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+// }
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+
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+// - (BOOL)scalesPageToFit
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+// {
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+// return _webView.scalesPageToFit;
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+// }
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+
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+// - (void)setBackgroundColor:(UIColor *)backgroundColor
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+// {
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+// CGFloat alpha = CGColorGetAlpha(backgroundColor.CGColor);
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+// self.opaque = _webView.opaque = (alpha == 1.0);
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+// _webView.backgroundColor = backgroundColor;
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+// }
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+
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+// - (UIColor *)backgroundColor
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+// {
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+// return _webView.backgroundColor;
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+// }
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+
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+// - (NSMutableDictionary<NSString *, id> *)baseEvent
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+// {
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+// NSMutableDictionary<NSString *, id> *event = [[NSMutableDictionary alloc] initWithDictionary:@{
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+// @"url": _webView.request.URL.absoluteString ?: @"",
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+// @"loading" : @(_webView.loading),
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+// @"title": [_webView stringByEvaluatingJavaScriptFromString:@"document.title"],
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+// @"canGoBack": @(_webView.canGoBack),
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+// @"canGoForward" : @(_webView.canGoForward),
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+// }];
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+
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+// return event;
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+// }
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+
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+// - (void)refreshContentInset
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+// {
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+// [RCTView autoAdjustInsetsForView:self
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+// withScrollView:_webView.scrollView
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+// updateOffset:YES];
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+// }
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+
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+// #pragma mark - UIWebViewDelegate methods
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+
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+// - (BOOL)webView:(__unused UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request
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+// navigationType:(UIWebViewNavigationType)navigationType
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+// {
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+// BOOL isJSNavigation = [request.URL.scheme isEqualToString:RCTJSNavigationScheme];
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+
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+// static NSDictionary<NSNumber *, NSString *> *navigationTypes;
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+// static dispatch_once_t onceToken;
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+// dispatch_once(&onceToken, ^{
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+// navigationTypes = @{
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+// @(UIWebViewNavigationTypeLinkClicked): @"click",
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+// @(UIWebViewNavigationTypeFormSubmitted): @"formsubmit",
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+// @(UIWebViewNavigationTypeBackForward): @"backforward",
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+// @(UIWebViewNavigationTypeReload): @"reload",
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+// @(UIWebViewNavigationTypeFormResubmitted): @"formresubmit",
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+// @(UIWebViewNavigationTypeOther): @"other",
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+// };
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+// });
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+
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+// // skip this for the JS Navigation handler
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+// if (!isJSNavigation && _onShouldStartLoadWithRequest) {
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+// NSMutableDictionary<NSString *, id> *event = [self baseEvent];
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+// [event addEntriesFromDictionary: @{
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+// @"url": (request.URL).absoluteString,
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+// @"navigationType": navigationTypes[@(navigationType)]
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+// }];
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+// if (![self.delegate webView:self
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+// shouldStartLoadForRequest:event
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+// withCallback:_onShouldStartLoadWithRequest]) {
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+// return NO;
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+// }
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+// }
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+
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+// if (_onLoadingStart) {
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+// // We have this check to filter out iframe requests and whatnot
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+// BOOL isTopFrame = [request.URL isEqual:request.mainDocumentURL];
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+// if (isTopFrame) {
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+// NSMutableDictionary<NSString *, id> *event = [self baseEvent];
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+// [event addEntriesFromDictionary: @{
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+// @"url": (request.URL).absoluteString,
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+// @"navigationType": navigationTypes[@(navigationType)]
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+// }];
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+// _onLoadingStart(event);
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+// }
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+// }
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+
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+// if (isJSNavigation && [request.URL.host isEqualToString:kPostMessageHost]) {
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+// NSString *data = request.URL.query;
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+// data = [data stringByReplacingOccurrencesOfString:@"+" withString:@" "];
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+// data = [data stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
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+
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+// NSMutableDictionary<NSString *, id> *event = [self baseEvent];
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+// [event addEntriesFromDictionary: @{
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+// @"data": data,
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+// }];
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+
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+// NSString *source = @"document.dispatchEvent(new MessageEvent('message:received'));";
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+
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+// [_webView stringByEvaluatingJavaScriptFromString:source];
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+
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+// _onMessage(event);
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+// }
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+
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+// // JS Navigation handler
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+// return !isJSNavigation;
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+// }
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+
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+// - (void)webView:(__unused UIWebView *)webView didFailLoadWithError:(NSError *)error
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+// {
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+// if (_onLoadingError) {
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+// if ([error.domain isEqualToString:NSURLErrorDomain] && error.code == NSURLErrorCancelled) {
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+// // NSURLErrorCancelled is reported when a page has a redirect OR if you load
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+// // a new URL in the WebView before the previous one came back. We can just
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+// // ignore these since they aren't real errors.
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+// // http://stackoverflow.com/questions/1024748/how-do-i-fix-nsurlerrordomain-error-999-in-iphone-3-0-os
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+// return;
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+// }
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+
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+// if ([error.domain isEqualToString:@"WebKitErrorDomain"] && error.code == 102) {
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+// // Error code 102 "Frame load interrupted" is raised by the UIWebView if
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+// // its delegate returns FALSE from webView:shouldStartLoadWithRequest:navigationType
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+// // when the URL is from an http redirect. This is a common pattern when
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+// // implementing OAuth with a WebView.
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+// return;
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+// }
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+
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+// NSMutableDictionary<NSString *, id> *event = [self baseEvent];
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+// [event addEntriesFromDictionary:@{
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+// @"domain": error.domain,
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+// @"code": @(error.code),
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+// @"description": error.localizedDescription,
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+// }];
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+// _onLoadingError(event);
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+// }
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+// }
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+
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+// - (void)webViewDidFinishLoad:(UIWebView *)webView
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+// {
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+// if (_messagingEnabled) {
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+// #if RCT_DEV
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+// // See isNative in lodash
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+// NSString *testPostMessageNative = @"String(window.postMessage) === String(Object.hasOwnProperty).replace('hasOwnProperty', 'postMessage')";
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+// BOOL postMessageIsNative = [
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+// [webView stringByEvaluatingJavaScriptFromString:testPostMessageNative]
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+// isEqualToString:@"true"
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+// ];
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+// if (!postMessageIsNative) {
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+// RCTLogError(@"Setting onMessage on a WebView overrides existing values of window.postMessage, but a previous value was defined");
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+// }
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+// #endif
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+// NSString *source = [NSString stringWithFormat:
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+// @"(function() {"
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+// "window.originalPostMessage = window.postMessage;"
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+
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+// "var messageQueue = [];"
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+// "var messagePending = false;"
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+
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+// "function processQueue() {"
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+// "if (!messageQueue.length || messagePending) return;"
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+// "messagePending = true;"
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+// "window.location = '%@://%@?' + encodeURIComponent(messageQueue.shift());"
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+// "}"
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+
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+// "window.postMessage = function(data) {"
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+// "messageQueue.push(String(data));"
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+// "processQueue();"
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+// "};"
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+
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+// "document.addEventListener('message:received', function(e) {"
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+// "messagePending = false;"
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+// "processQueue();"
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+// "});"
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+// "})();", RCTJSNavigationScheme, kPostMessageHost
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+// ];
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+// [webView stringByEvaluatingJavaScriptFromString:source];
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+// }
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+// if (_injectedJavaScript != nil) {
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+// NSString *jsEvaluationValue = [webView stringByEvaluatingJavaScriptFromString:_injectedJavaScript];
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+
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+// NSMutableDictionary<NSString *, id> *event = [self baseEvent];
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+// event[@"jsEvaluationValue"] = jsEvaluationValue;
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+
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+// _onLoadingFinish(event);
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+// }
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+// // we only need the final 'finishLoad' call so only fire the event when we're actually done loading.
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+// else if (_onLoadingFinish && !webView.loading && ![webView.request.URL.absoluteString isEqualToString:@"about:blank"]) {
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+// _onLoadingFinish([self baseEvent]);
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348
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+// }
|
|
349
|
+// }
|
|
350
|
+
|
|
351
|
+// @end
|