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One more critical update integrity fix

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This commit is contained in:
Adlai Holler
2016-06-23 17:28:22 -07:00
parent 681876bd59
commit d8d2524b89
3 changed files with 6 additions and 6 deletions
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4
AsyncDisplayKit/Details/NSIndexSet+ASHelpers.h
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@@ -17,8 +17,8 @@
/// Returns all the item indexes from the given index paths that are in the given section.
+ (NSIndexSet *)as_indexSetFromIndexPaths:(NSArray<NSIndexPath *> *)indexPaths inSection:(NSUInteger)section;
/// If you've got an old index, and you insert items using this index set, this returns the new index.
- (NSUInteger)as_indexByInsertingItemsBelowIndex:(NSUInteger)index;
/// If you've got an old index, and you insert items using this index set, this returns the change to get to the new index.
- (NSUInteger)as_indexChangeByInsertingItemsBelowIndex:(NSUInteger)index;
- (NSString *)as_smallDescription;

4
AsyncDisplayKit/Details/NSIndexSet+ASHelpers.m
View File

@@ -46,7 +46,7 @@
return result;
}
- (NSUInteger)as_indexByInsertingItemsBelowIndex:(NSUInteger)index
- (NSUInteger)as_indexChangeByInsertingItemsBelowIndex:(NSUInteger)index
{
__block NSUInteger newIndex = index;
[self enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL * _Nonnull stop) {
@@ -56,7 +56,7 @@
*stop = YES;
}
}];
return newIndex;
return newIndex - index;
}
- (NSString *)as_smallDescription

4
AsyncDisplayKit/Private/_ASHierarchyChangeSet.m
View File

@@ -139,7 +139,7 @@ NSString *NSStringFromASHierarchyChangeType(_ASHierarchyChangeType changeType)
}
NSUInteger newIndex = oldSection - [_deletedSections countOfIndexesInRange:NSMakeRange(0, oldSection)];
newIndex = [_insertedSections as_indexByInsertingItemsBelowIndex:newIndex];
newIndex += [_insertedSections as_indexChangeByInsertingItemsBelowIndex:newIndex];
return newIndex;
}
@@ -276,7 +276,7 @@ NSString *NSStringFromASHierarchyChangeType(_ASHierarchyChangeType changeType)
item -= [indicesDeletedInSection countOfIndexesInRange:NSMakeRange(0, item)];
// Update row number based on insertions that are above the current row in the future section
NSIndexSet *indicesInsertedInSection = insertedIndexPathsMap[@(section)];
item = [indicesInsertedInSection as_indexByInsertingItemsBelowIndex:item];
item += [indicesInsertedInSection as_indexChangeByInsertingItemsBelowIndex:item];
//TODO: reuse the old indexPath object if section and row aren't changed
NSIndexPath *newIndexPath = [NSIndexPath indexPathForItem:item inSection:section];