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Remove ASDisplayNode -shouldUseNewRenderingRange method and ASRangeControllerStable class

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This commit is contained in:
Michael Schneider
2016-02-07 14:17:42 -08:00
parent 06bdcd0049
commit 5d474bcb1a
12 changed files with 13 additions and 427 deletions
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80
AsyncDisplayKit/Details/ASCollectionViewLayoutController.mm
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@@ -51,86 +51,6 @@ typedef struct ASRangeGeometry ASRangeGeometry;
@end
@implementation ASCollectionViewLayoutControllerStable
{
std::vector<CGRect> _updateRangeBoundsIndexedByRangeType;
}
- (instancetype)initWithCollectionView:(ASCollectionView *)collectionView
{
if (!(self = [super initWithCollectionView:collectionView])) {
return nil;
}
_updateRangeBoundsIndexedByRangeType = std::vector<CGRect>(ASLayoutRangeTypeCount);
return self;
}
- (NSSet *)indexPathsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType
{
ASRangeTuningParameters tuningParameters = [self tuningParametersForRangeMode:rangeMode rangeType:rangeType];
ASRangeGeometry rangeGeometry = [self rangeGeometryWithScrollDirection:scrollDirection tuningParameters:tuningParameters];
_updateRangeBoundsIndexedByRangeType[rangeType] = rangeGeometry.updateBounds;
return [self indexPathsForItemsWithinRangeBounds:rangeGeometry.rangeBounds];
}
- (NSSet *)indexPathsForItemsWithinRangeBounds:(CGRect)rangeBounds
{
NSMutableSet *indexPathSet = [[NSMutableSet alloc] init];
NSArray *layoutAttributes = [_collectionViewLayout layoutAttributesForElementsInRect:rangeBounds];
for (UICollectionViewLayoutAttributes *la in layoutAttributes) {
if (la.representedElementCategory == UICollectionElementCategoryCell) {
[indexPathSet addObject:la.indexPath];
}
}
return indexPathSet;
}
- (ASRangeGeometry)rangeGeometryWithScrollDirection:(ASScrollDirection)scrollDirection
tuningParameters:(ASRangeTuningParameters)tuningParameters
{
CGRect rangeBounds = _collectionView.bounds;
CGRect updateBounds = _collectionView.bounds;
// Scrollable directions can change for non-flow layouts
if ([_collectionViewLayout asdk_isFlowLayout] == NO) {
_scrollableDirections = [_collectionView scrollableDirections];
}
rangeBounds = CGRectExpandToRangeWithScrollableDirections(rangeBounds, tuningParameters, _scrollableDirections, scrollDirection);
ASRangeTuningParameters updateTuningParameters = tuningParameters;
updateTuningParameters.leadingBufferScreenfuls = MIN(updateTuningParameters.leadingBufferScreenfuls * 0.5, 0.95);
updateTuningParameters.trailingBufferScreenfuls = MIN(updateTuningParameters.trailingBufferScreenfuls * 0.5, 0.95);
updateBounds = CGRectExpandToRangeWithScrollableDirections(updateBounds, updateTuningParameters, _scrollableDirections, scrollDirection);
return {rangeBounds, updateBounds};
}
- (BOOL)shouldUpdateForVisibleIndexPaths:(NSArray *)indexPaths rangeType:(ASLayoutRangeType)rangeType
{
CGSize viewportSize = [self viewportSize];
CGRect updateRangeBounds = _updateRangeBoundsIndexedByRangeType[rangeType];
if (CGRectIsEmpty(updateRangeBounds)) {
return YES;
}
CGRect currentBounds = _collectionView.bounds;
if (CGRectIsEmpty(currentBounds)) {
currentBounds = CGRectMake(0, 0, viewportSize.width, viewportSize.height);
}
if (CGRectContainsRect(updateRangeBounds, currentBounds)) {
return NO;
} else {
return YES;
}
}
@end
@implementation ASCollectionViewLayoutControllerBeta
- (NSSet *)indexPathsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType