Add 'submodules/AsyncDisplayKit/' from commit '02bedc12816e251ad71777f9d2578329b6d2bef6'

git-subtree-dir: submodules/AsyncDisplayKit
git-subtree-mainline: d06f423e0e
git-subtree-split: 02bedc1281

submodules/AsyncDisplayKit/Source/Details/ASTableLayoutController.mm

@@ -0,0 +1,55 @@
+//
+//  ASTableLayoutController.mm
+//  Texture
+//
+//  Copyright (c) Facebook, Inc. and its affiliates.  All rights reserved.
+//  Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc.  All rights reserved.
+//  Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
+//
+#ifndef MINIMAL_ASDK
+#import <AsyncDisplayKit/ASTableLayoutController.h>
+
+#import <UIKit/UIKit.h>
+
+#import <AsyncDisplayKit/ASAssert.h>
+#import <AsyncDisplayKit/ASElementMap.h>
+
+@interface ASTableLayoutController()
+@end
+
+@implementation ASTableLayoutController
+
+- (instancetype)initWithTableView:(UITableView *)tableView
+{
+  if (!(self = [super init])) {
+    return nil;
+  }
+  _tableView = tableView;
+  return self;
+}
+
+#pragma mark - ASLayoutController
+
+- (NSHashTable<ASCollectionElement *> *)elementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType map:(ASElementMap *)map
+{
+  CGRect bounds = _tableView.bounds;
+
+  ASRangeTuningParameters tuningParameters = [self tuningParametersForRangeMode:rangeMode rangeType:rangeType];
+  CGRect rangeBounds = CGRectExpandToRangeWithScrollableDirections(bounds, tuningParameters, ASScrollDirectionVerticalDirections, scrollDirection);
+  NSArray *array = [_tableView indexPathsForRowsInRect:rangeBounds];
+  return ASPointerTableByFlatMapping(array, NSIndexPath *indexPath, [map elementForItemAtIndexPath:indexPath]);
+}
+
+- (void)allElementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode displaySet:(NSHashTable<ASCollectionElement *> *__autoreleasing  _Nullable *)displaySet preloadSet:(NSHashTable<ASCollectionElement *> *__autoreleasing  _Nullable *)preloadSet map:(ASElementMap *)map
+{
+  if (displaySet == NULL || preloadSet == NULL) {
+    return;
+  }
+
+  *displaySet = [self elementsForScrolling:scrollDirection rangeMode:rangeMode rangeType:ASLayoutRangeTypeDisplay map:map];
+  *preloadSet = [self elementsForScrolling:scrollDirection rangeMode:rangeMode rangeType:ASLayoutRangeTypePreload map:map];
+  return;
+}
+
+@end
+#endif