136 lines
4.5 KiB
Objective-C
136 lines
4.5 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTWebViewManager.h"
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#import "RCTBridge.h"
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#import "RCTUIManager.h"
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#import "RCTWebView.h"
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#import "UIView+React.h"
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@interface RCTWebViewManager () <RCTWebViewDelegate>
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@end
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@implementation RCTWebViewManager
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{
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NSConditionLock *_shouldStartLoadLock;
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BOOL _shouldStartLoad;
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}
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RCT_EXPORT_MODULE()
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- (UIView *)view
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{
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RCTWebView *webView = [RCTWebView new];
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webView.delegate = self;
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return webView;
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}
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RCT_REMAP_VIEW_PROPERTY(url, URL, NSURL)
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RCT_REMAP_VIEW_PROPERTY(html, HTML, NSString)
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RCT_REMAP_VIEW_PROPERTY(bounces, _webView.scrollView.bounces, BOOL)
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RCT_REMAP_VIEW_PROPERTY(scrollEnabled, _webView.scrollView.scrollEnabled, BOOL)
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RCT_REMAP_VIEW_PROPERTY(scalesPageToFit, _webView.scalesPageToFit, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(injectedJavaScript, NSString)
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RCT_EXPORT_VIEW_PROPERTY(contentInset, UIEdgeInsets)
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RCT_EXPORT_VIEW_PROPERTY(automaticallyAdjustContentInsets, BOOL)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingStart, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingFinish, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onLoadingError, RCTDirectEventBlock)
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RCT_EXPORT_VIEW_PROPERTY(onShouldStartLoadWithRequest, RCTDirectEventBlock)
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RCT_REMAP_VIEW_PROPERTY(allowsInlineMediaPlayback, _webView.allowsInlineMediaPlayback, BOOL)
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- (NSDictionary<NSString *, id> *)constantsToExport
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{
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return @{
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@"JSNavigationScheme": RCTJSNavigationScheme,
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@"NavigationType": @{
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@"LinkClicked": @(UIWebViewNavigationTypeLinkClicked),
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@"FormSubmitted": @(UIWebViewNavigationTypeFormSubmitted),
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@"BackForward": @(UIWebViewNavigationTypeBackForward),
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@"Reload": @(UIWebViewNavigationTypeReload),
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@"FormResubmitted": @(UIWebViewNavigationTypeFormResubmitted),
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@"Other": @(UIWebViewNavigationTypeOther)
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},
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};
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}
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RCT_EXPORT_METHOD(goBack:(nonnull NSNumber *)reactTag)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWebView *> *viewRegistry) {
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RCTWebView *view = viewRegistry[reactTag];
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if (![view isKindOfClass:[RCTWebView class]]) {
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RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
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} else {
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[view goBack];
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}
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}];
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}
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RCT_EXPORT_METHOD(goForward:(nonnull NSNumber *)reactTag)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, UIView *> *viewRegistry) {
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id view = viewRegistry[reactTag];
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if (![view isKindOfClass:[RCTWebView class]]) {
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RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
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} else {
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[view goForward];
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}
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}];
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}
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RCT_EXPORT_METHOD(reload:(nonnull NSNumber *)reactTag)
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{
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[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWebView *> *viewRegistry) {
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RCTWebView *view = viewRegistry[reactTag];
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if (![view isKindOfClass:[RCTWebView class]]) {
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RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
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} else {
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[view reload];
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}
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}];
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}
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#pragma mark - Exported synchronous methods
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- (BOOL)webView:(__unused RCTWebView *)webView
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shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
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withCallback:(RCTDirectEventBlock)callback
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{
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_shouldStartLoadLock = [[NSConditionLock alloc] initWithCondition:arc4random()];
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_shouldStartLoad = YES;
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request[@"lockIdentifier"] = @(_shouldStartLoadLock.condition);
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callback(request);
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// Block the main thread for a maximum of 250ms until the JS thread returns
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if ([_shouldStartLoadLock lockWhenCondition:0 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.25]]) {
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BOOL returnValue = _shouldStartLoad;
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[_shouldStartLoadLock unlock];
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_shouldStartLoadLock = nil;
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return returnValue;
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} else {
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RCTLogWarn(@"Did not receive response to shouldStartLoad in time, defaulting to YES");
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return YES;
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}
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}
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RCT_EXPORT_METHOD(startLoadWithResult:(BOOL)result lockIdentifier:(NSInteger)lockIdentifier)
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{
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if ([_shouldStartLoadLock tryLockWhenCondition:lockIdentifier]) {
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_shouldStartLoad = result;
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[_shouldStartLoadLock unlockWithCondition:0];
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} else {
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RCTLogWarn(@"startLoadWithResult invoked with invalid lockIdentifier: "
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"got %zd, expected %zd", lockIdentifier, _shouldStartLoadLock.condition);
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}
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}
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@end
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