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49 lines
2.0 KiB
Objective-C
49 lines
2.0 KiB
Objective-C
//
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// ASLayoutController.h
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// Texture
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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 /ASDK-Licenses directory of this source tree. An additional
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// grant of patent rights can be found in the PATENTS file in the same directory.
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//
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// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
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// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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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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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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- (NSHashTable<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:(NSHashTable<ASCollectionElement *> * _Nullable * _Nullable)displaySet preloadSet:(NSHashTable<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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