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d59ea3902d
* Initial work supporting supplementaries in range controller * Rename indexPathForElementIfItem
46 lines
1.7 KiB
Objective-C
46 lines
1.7 KiB
Objective-C
//
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// ASLayoutController.h
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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//
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#import <UIKit/UIKit.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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#import <AsyncDisplayKit/ASLayoutRangeType.h>
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#import <AsyncDisplayKit/ASScrollDirection.h>
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NS_ASSUME_NONNULL_BEGIN
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@class ASCollectionElement, ASElementMap;
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ASDISPLAYNODE_EXTERN_C_BEGIN
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struct ASDirectionalScreenfulBuffer {
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CGFloat positiveDirection; // Positive relative to iOS Core Animation layer coordinate space.
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CGFloat negativeDirection;
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};
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typedef struct ASDirectionalScreenfulBuffer ASDirectionalScreenfulBuffer;
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ASDISPLAYNODE_EXTERN_C_END
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@protocol ASLayoutController <NSObject>
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- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType;
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- (ASRangeTuningParameters)tuningParametersForRangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType;
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- (NSSet<ASCollectionElement *> *)elementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode rangeType:(ASLayoutRangeType)rangeType map:(ASElementMap *)map;
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- (void)allElementsForScrolling:(ASScrollDirection)scrollDirection rangeMode:(ASLayoutRangeMode)rangeMode displaySet:(NSSet<ASCollectionElement *> * _Nullable * _Nullable)displaySet preloadSet:(NSSet<ASCollectionElement *> * _Nullable * _Nullable)preloadSet map:(ASElementMap *)map;
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@optional
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@end
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NS_ASSUME_NONNULL_END
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