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Readd ASDisplayShouldFetchBatchForContext

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This commit is contained in:
Michael Schneider
2016-04-08 20:02:20 -07:00
parent 24ca09ee6c
commit bb110ca6e8
2 changed files with 32 additions and 4 deletions
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16
AsyncDisplayKit/Private/ASBatchFetching.m
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@@ -10,7 +10,6 @@
BOOL ASDisplayShouldFetchBatchForScrollView(UIScrollView<ASBatchFetchingScrollView> *scrollView, ASScrollDirection scrollDirection, CGPoint contentOffset)
{
// Don't fetch if the scroll view does not allow
if (![scrollView canBatchFetch]) {
return NO;
@@ -21,7 +20,16 @@ BOOL ASDisplayShouldFetchBatchForScrollView(UIScrollView<ASBatchFetchingScrollVi
CGRect bounds = scrollView.bounds;
CGSize contentSize = scrollView.contentSize;
CGFloat leadingScreens = scrollView.leadingScreensForBatching;
return ASDisplayShouldFetchBatchForContext(context, scrollDirection, bounds, contentSize, contentOffset, leadingScreens);
}
BOOL ASDisplayShouldFetchBatchForContext(ASBatchContext *context,
ASScrollDirection scrollDirection,
CGRect bounds,
CGSize contentSize,
CGPoint targetOffset,
CGFloat leadingScreens)
{
// Do not allow fetching if a batch is already in-flight and hasn't been completed or cancelled
if ([context isFetching]) {
return NO;
@@ -41,11 +49,11 @@ BOOL ASDisplayShouldFetchBatchForScrollView(UIScrollView<ASBatchFetchingScrollVi
if (ASScrollDirectionContainsDown(scrollDirection)) {
viewLength = bounds.size.height;
offset = contentOffset.y;
offset = targetOffset.y;
contentLength = contentSize.height;
} else { // horizontal / right
viewLength = bounds.size.width;
offset = contentOffset.x;
offset = targetOffset.x;
contentLength = contentSize.width;
}