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https://github.com/status-im/react-native-fast-image.git
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46e08b46e2
Sources for preloading have the same keys as the source prop. Also update readme to document preloading.
38 lines
1.2 KiB
Objective-C
38 lines
1.2 KiB
Objective-C
#import "FFFastImageViewManager.h"
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#import "FFFastImageView.h"
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#import <SDWebImage/SDWebImagePrefetcher.h>
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@implementation FFFastImageViewManager
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RCT_EXPORT_MODULE(FastImageView)
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- (FFFastImageView*)view {
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FFFastImageView* view = [[FFFastImageView alloc] init];
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view.contentMode = (UIViewContentMode) RCTResizeModeContain;
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view.clipsToBounds = YES;
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return view;
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}
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RCT_EXPORT_VIEW_PROPERTY(source, FFFastImageSource);
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RCT_EXPORT_VIEW_PROPERTY(resizeMode, RCTResizeMode);
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RCT_EXPORT_VIEW_PROPERTY(onFastImageError, RCTDirectEventBlock);
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RCT_EXPORT_VIEW_PROPERTY(onFastImageLoad, RCTDirectEventBlock);
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RCT_EXPORT_METHOD(preload:(nonnull NSArray<FFFastImageSource *> *)sources)
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{
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NSMutableArray *urls = [NSMutableArray arrayWithCapacity:sources.count];
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[sources enumerateObjectsUsingBlock:^(FFFastImageSource * _Nonnull source, NSUInteger idx, BOOL * _Nonnull stop) {
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[source.headers enumerateKeysAndObjectsUsingBlock:^(NSString *key, NSString* header, BOOL *stop) {
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[[SDWebImageDownloader sharedDownloader] setValue:header forHTTPHeaderField:key];
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}];
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[urls setObject:source.uri atIndexedSubscript:idx];
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}];
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[[SDWebImagePrefetcher sharedImagePrefetcher] prefetchURLs:urls];
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}
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@end
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