ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2026-01-06 13:12:49 +00:00
Code Issues Packages Projects Releases Wiki Activity

Check whether data source responds to asset method

Browse Source
This commit is contained in:
Adlai Holler
2015-10-07 10:08:28 -07:00
parent 6d73cee9fd
commit cdfd5c1fdd
1 changed files with 7 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
AsyncDisplayKit/ASMultiplexImageNode.mm
View File

@@ -57,6 +57,7 @@ typedef void(^ASMultiplexImageLoadCompletionBlock)(UIImage *image, id imageIdent
struct {
unsigned int image:1;
unsigned int URL:1;
unsigned int asset:1;
} _dataSourceFlags;
// Image flags.
@@ -260,6 +261,7 @@ typedef void(^ASMultiplexImageLoadCompletionBlock)(UIImage *image, id imageIdent
_dataSource = dataSource;
_dataSourceFlags.image = [_dataSource respondsToSelector:@selector(multiplexImageNode:imageForImageIdentifier:)];
_dataSourceFlags.URL = [_dataSource respondsToSelector:@selector(multiplexImageNode:URLForImageIdentifier:)];
_dataSourceFlags.asset = [_dataSource respondsToSelector:@selector(multiplexImageNode:assetForLocalIdentifier:)];
}
#pragma mark -
@@ -551,8 +553,12 @@ typedef void(^ASMultiplexImageLoadCompletionBlock)(UIImage *image, id imageIdent
__strong __typeof(weakSelf) strongSelf = weakSelf;
if (strongSelf == nil) { return; }
PHAsset *imageAsset = nil;
// Try to get the asset immediately from the data source.
PHAsset *imageAsset = [strongSelf.dataSource multiplexImageNode:strongSelf assetForLocalIdentifier:request.assetIdentifier];
if (_dataSourceFlags.asset) {
imageAsset = [strongSelf.dataSource multiplexImageNode:strongSelf assetForLocalIdentifier:request.assetIdentifier];
}
// Fall back to locking and getting the PHAsset.
if (imageAsset == nil) {