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43 lines
1.4 KiB
Objective-C
43 lines
1.4 KiB
Objective-C
//
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// ASLayoutController.h
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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 <UIKit/UIKit.h>
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#include <vector>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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#import <AsyncDisplayKit/ASElementMap.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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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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@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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@property (nonatomic, readonly) CGRect bounds;
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/** Queries the layout for the items in the given rect. Called by ASRangeController. */
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- (void)getLayoutItemsInRect:(CGRect)rect buffer:(std::vector<ASCollectionLayoutItem> *)buffer;
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@end
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NS_ASSUME_NONNULL_END
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