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Functioning Preload range

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Refactor how we do ranges so they can be arbitrarily managed. Introduce the concept of a preload range.
This commit is contained in:
Ryan Nystrom
2015-02-02 18:23:45 -08:00
parent 9c877c51af
commit 4fa03a01d1
27 changed files with 477 additions and 222 deletions
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20
AsyncDisplayKit/Details/ASLayoutController.h
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@@ -1,8 +1,15 @@
// Copyright 2004-present Facebook. All Rights Reserved.
/* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#import <UIKit/UIKit.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
#import <AsyncDisplayKit/ASLayoutRangeType.h>
typedef struct {
CGFloat leadingBufferScreenfuls;
@@ -17,11 +24,6 @@ typedef NS_ENUM(NSInteger, ASScrollDirection) {
ASScrollDirectionDown,
};
typedef NS_ENUM(NSInteger, ASLayoutRange) {
ASLayoutRangeRender,
ASLayoutRangePreload
};
@protocol ASLayoutController <NSObject>
/**
@@ -29,7 +31,7 @@ typedef NS_ENUM(NSInteger, ASLayoutRange) {
*
* Defaults to a trailing buffer of one screenful and a leading buffer of two screenfuls.
*/
- (ASRangeTuningParameters)tuningParametersForRange:(ASLayoutRange)range;
- (ASRangeTuningParameters)tuningParametersForRangeType:(ASLayoutRangeType)rangeType;
- (void)insertNodesAtIndexPaths:(NSArray *)indexPaths withSizes:(NSArray *)nodeSizes;
@@ -41,9 +43,9 @@ typedef NS_ENUM(NSInteger, ASLayoutRange) {
- (void)setVisibleNodeIndexPaths:(NSArray *)indexPaths;
- (BOOL)shouldUpdateForVisibleIndexPaths:(NSArray *)indexPaths viewportSize:(CGSize)viewportSize range:(ASLayoutRange)range;
- (BOOL)shouldUpdateForVisibleIndexPaths:(NSArray *)indexPaths viewportSize:(CGSize)viewportSize rangeType:(ASLayoutRangeType)rangeType;
- (NSSet *)indexPathsForScrolling:(enum ASScrollDirection)scrollDirection viewportSize:(CGSize)viewportSize range:(ASLayoutRange)range;
- (NSSet *)indexPathsForScrolling:(enum ASScrollDirection)scrollDirection viewportSize:(CGSize)viewportSize rangeType:(ASLayoutRangeType)rangeType;
@property (nonatomic, assign) ASRangeTuningParameters tuningParameters ASDISPLAYNODE_DEPRECATED;