react-native/React/Views/RCTWKWebViewManager.m

171 lines
5.8 KiB
Objective-C

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTWKWebViewManager.h"
#import "RCTUIManager.h"
#import "RCTWKWebView.h"
#import <React/RCTDefines.h>
@interface RCTWKWebViewManager () <RCTWKWebViewDelegate>
@end
@implementation RCTWKWebViewManager
{
NSConditionLock *_shouldStartLoadLock;
BOOL _shouldStartLoad;
}
RCT_EXPORT_MODULE()
- (UIView *)view
{
RCTWKWebView *webView = [RCTWKWebView new];
webView.delegate = self;
return webView;
}
RCT_EXPORT_VIEW_PROPERTY(source, NSDictionary)
RCT_EXPORT_VIEW_PROPERTY(onLoadingStart, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onLoadingFinish, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onLoadingError, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onShouldStartLoadWithRequest, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(injectedJavaScript, NSString)
RCT_EXPORT_VIEW_PROPERTY(allowsInlineMediaPlayback, BOOL)
RCT_EXPORT_VIEW_PROPERTY(mediaPlaybackRequiresUserAction, BOOL)
#if WEBKIT_IOS_10_APIS_AVAILABLE
RCT_EXPORT_VIEW_PROPERTY(dataDetectorTypes, WKDataDetectorTypes)
#endif
RCT_EXPORT_VIEW_PROPERTY(contentInset, UIEdgeInsets)
RCT_EXPORT_VIEW_PROPERTY(automaticallyAdjustContentInsets, BOOL)
/**
* Expose methods to enable messaging the webview.
*/
RCT_EXPORT_VIEW_PROPERTY(messagingEnabled, BOOL)
RCT_EXPORT_VIEW_PROPERTY(onMessage, RCTDirectEventBlock)
RCT_EXPORT_METHOD(postMessage:(nonnull NSNumber *)reactTag message:(NSString *)message)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view postMessage:message];
}
}];
}
RCT_CUSTOM_VIEW_PROPERTY(bounces, BOOL, RCTWKWebView) {
view.bounces = json == nil ? true : [RCTConvert BOOL: json];
}
RCT_CUSTOM_VIEW_PROPERTY(scrollEnabled, BOOL, RCTWKWebView) {
view.scrollEnabled = json == nil ? true : [RCTConvert BOOL: json];
}
RCT_CUSTOM_VIEW_PROPERTY(decelerationRate, CGFloat, RCTWKWebView) {
view.decelerationRate = json == nil ? UIScrollViewDecelerationRateNormal : [RCTConvert CGFloat: json];
}
RCT_EXPORT_METHOD(injectJavaScript:(nonnull NSNumber *)reactTag script:(NSString *)script)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view injectJavaScript:script];
}
}];
}
RCT_EXPORT_METHOD(goBack:(nonnull NSNumber *)reactTag)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view goBack];
}
}];
}
RCT_EXPORT_METHOD(goForward:(nonnull NSNumber *)reactTag)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view goForward];
}
}];
}
RCT_EXPORT_METHOD(reload:(nonnull NSNumber *)reactTag)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view reload];
}
}];
}
RCT_EXPORT_METHOD(stopLoading:(nonnull NSNumber *)reactTag)
{
[self.bridge.uiManager addUIBlock:^(__unused RCTUIManager *uiManager, NSDictionary<NSNumber *, RCTWKWebView *> *viewRegistry) {
RCTWKWebView *view = viewRegistry[reactTag];
if (![view isKindOfClass:[RCTWKWebView class]]) {
RCTLogError(@"Invalid view returned from registry, expecting RCTWebView, got: %@", view);
} else {
[view stopLoading];
}
}];
}
#pragma mark - Exported synchronous methods
- (BOOL) webView:(RCTWKWebView *)webView
shouldStartLoadForRequest:(NSMutableDictionary<NSString *, id> *)request
withCallback:(RCTDirectEventBlock)callback
{
_shouldStartLoadLock = [[NSConditionLock alloc] initWithCondition:arc4random()];
_shouldStartLoad = YES;
request[@"lockIdentifier"] = @(_shouldStartLoadLock.condition);
callback(request);
// Block the main thread for a maximum of 250ms until the JS thread returns
if ([_shouldStartLoadLock lockWhenCondition:0 beforeDate:[NSDate dateWithTimeIntervalSinceNow:.25]]) {
BOOL returnValue = _shouldStartLoad;
[_shouldStartLoadLock unlock];
_shouldStartLoadLock = nil;
return returnValue;
} else {
RCTLogWarn(@"Did not receive response to shouldStartLoad in time, defaulting to YES");
return YES;
}
}
RCT_EXPORT_METHOD(startLoadWithResult:(BOOL)result lockIdentifier:(NSInteger)lockIdentifier)
{
if ([_shouldStartLoadLock tryLockWhenCondition:lockIdentifier]) {
_shouldStartLoad = result;
[_shouldStartLoadLock unlockWithCondition:0];
} else {
RCTLogWarn(@"startLoadWithResult invoked with invalid lockIdentifier: "
"got %lld, expected %lld", (long long)lockIdentifier, (long long)_shouldStartLoadLock.condition);
}
}
@end