This app provides monitoring and information features for the common freifunk user and the technical stuff of a freifunk community. Code base is taken from a TUM Practical Course project and added here to see if Freifunk Altdorf can use it. https://www.freifunk-altdorf.de
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/**
* Copyright (c) 2015-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#import "RCTLocalAssetImageLoader.h"
#import <stdatomic.h>
#import <React/RCTUtils.h>
@implementation RCTLocalAssetImageLoader
RCT_EXPORT_MODULE()
- (BOOL)canLoadImageURL:(NSURL *)requestURL
{
return RCTIsLocalAssetURL(requestURL);
}
- (BOOL)requiresScheduling
{
// Don't schedule this loader on the URL queue so we can load the
// local assets synchronously to avoid flickers.
return NO;
}
- (BOOL)shouldCacheLoadedImages
{
// UIImage imageNamed handles the caching automatically so we don't want
// to add it to the image cache.
return NO;
}
- (RCTImageLoaderCancellationBlock)loadImageForURL:(NSURL *)imageURL
size:(CGSize)size
scale:(CGFloat)scale
resizeMode:(RCTResizeMode)resizeMode
progressHandler:(RCTImageLoaderProgressBlock)progressHandler
partialLoadHandler:(RCTImageLoaderPartialLoadBlock)partialLoadHandler
completionHandler:(RCTImageLoaderCompletionBlock)completionHandler
{
__block atomic_bool cancelled = ATOMIC_VAR_INIT(NO);
RCTExecuteOnMainQueue(^{
if (atomic_load(&cancelled)) {
return;
}
UIImage *image = RCTImageFromLocalAssetURL(imageURL);
if (image) {
if (progressHandler) {
progressHandler(1, 1);
}
completionHandler(nil, image);
} else {
NSString *message = [NSString stringWithFormat:@"Could not find image %@", imageURL];
RCTLogWarn(@"%@", message);
completionHandler(RCTErrorWithMessage(message), nil);
}
});
return ^{
atomic_store(&cancelled, YES);
};
}
@end