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Code Issues Projects Releases Wiki Activity

Allow RCTPhotoLibraryImageLoader to handle assets-library request

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Reviewed By: javache

Differential Revision: D3503380

fbshipit-source-id: 8f8eb545343738906e44ee01aa4ba23755a209c7
This commit is contained in:
Nathan Azaria 2016-06-30 08:41:47 -07:00 committed by Facebook Github Bot 3
parent dc3fce06ea
commit 98f06c8876
1 changed files with 15 additions and 4 deletions
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19
Libraries/CameraRoll/RCTPhotoLibraryImageLoader.m
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@ -24,7 +24,11 @@ RCT_EXPORT_MODULE()
- (BOOL)canLoadImageURL:(NSURL *)requestURL
{
return [requestURL.scheme caseInsensitiveCompare:@"ph"] == NSOrderedSame;
if (![PHAsset class]) {
return NO;
}
return [requestURL.scheme caseInsensitiveCompare:@"assets-library"] == NSOrderedSame ||
[requestURL.scheme caseInsensitiveCompare:@"ph"] == NSOrderedSame;
}
- (RCTImageLoaderCancellationBlock)loadImageForURL:(NSURL *)imageURL
@ -38,10 +42,17 @@ RCT_EXPORT_MODULE()
// The 'ph://' prefix is used by FBMediaKit to differentiate between
// assets-library. It is prepended to the local ID so that it is in the
// form of an, NSURL which is what assets-library uses.
NSString *phAssetID = [imageURL.absoluteString substringFromIndex:@"ph://".length];
PHFetchResult *results = [PHAsset fetchAssetsWithLocalIdentifiers:@[phAssetID] options:nil];
NSString *assetID = @"";
PHFetchResult *results;
if ([imageURL.scheme caseInsensitiveCompare:@"assets-library"] == NSOrderedSame) {
assetID = [imageURL absoluteString];
results = [PHAsset fetchAssetsWithALAssetURLs:@[imageURL] options:nil];
} else {
assetID = [imageURL.absoluteString substringFromIndex:@"ph://".length];
results = [PHAsset fetchAssetsWithLocalIdentifiers:@[assetID] options:nil];
}
if (results.count == 0) {
NSString *errorText = [NSString stringWithFormat:@"Failed to fetch PHAsset with local identifier %@ with no error message.", phAssetID];
NSString *errorText = [NSString stringWithFormat:@"Failed to fetch PHAsset with local identifier %@ with no error message.", assetID];
completionHandler(RCTErrorWithMessage(errorText), nil);
return ^{};
}