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d0ba092a77
* Convert the codebase to Objective-C++ throughout. One language is better than two. * Put it back * Fix linker * Point explicitly to updated Weaver to unblock build * Revert "Point explicitly to updated Weaver to unblock build" This reverts commit fdc25296e8794d4e6e56c35f5fe6da2be3f71dbc. * Revert "Fix linker" This reverts commit 7be25f91519b8497ef42de79f115bcfbdb965c39. * Add in the frameworks * no message * Address spec lint warnings * Fix tvos build * Put that back * Address Michael's review * Add comment to kick CI
55 lines
2.0 KiB
Plaintext
55 lines
2.0 KiB
Plaintext
//
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// ASTableLayoutController.mm
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <AsyncDisplayKit/ASTableLayoutController.h>
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASAssert.h>
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#import <AsyncDisplayKit/ASElementMap.h>
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@interface ASTableLayoutController()
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@end
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@implementation ASTableLayoutController
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- (instancetype)initWithTableView:(UITableView *)tableView
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{
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if (!(self = [super init])) {
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return nil;
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}
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_tableView = tableView;
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return self;
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}
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#pragma mark - ASLayoutController
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- (NSHashTable<ASCollectionElement *> *)elementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType map:(ASElementMap *)map
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{
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CGRect bounds = _tableView.bounds;
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ASRangeTuningParameters tuningParameters = [self tuningParametersForRangeMode:rangeMode rangeType:rangeType];
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CGRect rangeBounds = CGRectExpandToRangeWithScrollableDirections(bounds, tuningParameters, ASScrollDirectionVerticalDirections, scrollDirection);
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NSArray *array = [_tableView indexPathsForRowsInRect:rangeBounds];
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return ASPointerTableByFlatMapping(array, NSIndexPath *indexPath, [map elementForItemAtIndexPath:indexPath]);
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}
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- (void)allElementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode displaySet:(NSHashTable<ASCollectionElement *> *__autoreleasing _Nullable *)displaySet preloadSet:(NSHashTable<ASCollectionElement *> *__autoreleasing _Nullable *)preloadSet map:(ASElementMap *)map
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{
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if (displaySet == NULL || preloadSet == NULL) {
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return;
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}
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*displaySet = [self elementsForScrolling:scrollDirection rangeMode:rangeMode rangeType:ASLayoutRangeTypeDisplay map:map];
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*preloadSet = [self elementsForScrolling:scrollDirection rangeMode:rangeMode rangeType:ASLayoutRangeTypePreload map:map];
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return;
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}
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@end
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