react-native-fast-image/ios/FastImage/FFFastImageViewManager.m

38 lines
1.3 KiB
Objective-C

#import "FFFastImageViewManager.h"
#import "FFFastImageView.h"
#import <SDWebImage/SDWebImagePrefetcher.h>
@implementation FFFastImageViewManager
RCT_EXPORT_MODULE(FastImageView)
- (FFFastImageView*)view {
return [[FFFastImageView alloc] init];
}
RCT_EXPORT_VIEW_PROPERTY(source, FFFastImageSource)
RCT_EXPORT_VIEW_PROPERTY(resizeMode, RCTResizeMode)
RCT_EXPORT_VIEW_PROPERTY(onFastImageLoadStart, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onFastImageProgress, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onFastImageError, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onFastImageLoad, RCTDirectEventBlock)
RCT_EXPORT_VIEW_PROPERTY(onFastImageLoadEnd, RCTDirectEventBlock)
RCT_EXPORT_METHOD(preload:(nonnull NSArray<FFFastImageSource *> *)sources)
{
NSMutableArray *urls = [NSMutableArray arrayWithCapacity:sources.count];
[sources enumerateObjectsUsingBlock:^(FFFastImageSource * _Nonnull source, NSUInteger idx, BOOL * _Nonnull stop) {
[source.headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString* header, BOOL *stop) {
[[SDWebImageDownloader sharedDownloader] setValue:header forHTTPHeaderField:key];
}];
[urls setObject:source.url atIndexedSubscript:idx];
}];
[[SDWebImagePrefetcher sharedImagePrefetcher] prefetchURLs:urls];
}
@end