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59 lines
2.2 KiB
Objective-C
59 lines
2.2 KiB
Objective-C
//
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// ASScrollNode.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 <AsyncDisplayKit/ASDisplayNode.h>
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#import <AsyncDisplayKit/ASScrollDirection.h>
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NS_ASSUME_NONNULL_BEGIN
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@class UIScrollView;
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/**
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* Simple node that wraps UIScrollView.
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*/
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@interface ASScrollNode : ASDisplayNode
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/**
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* @abstract The node's UIScrollView.
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*/
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@property (nonatomic, readonly, strong) UIScrollView *view;
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/**
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* @abstract When enabled, the size calculated by the node's layout spec is used as
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* the .contentSize of the scroll view, instead of the bounds size. The bounds is instead
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* allowed to match the parent's size (whenever it is finite - otherwise, the bounds size
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* also grows to the full contentSize). It also works with .layoutSpecBlock().
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* NOTE: Most users of ASScrollView will want to use this, and may be enabled by default later.
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*/
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@property (nonatomic, assign) BOOL automaticallyManagesContentSize;
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/**
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* @abstract This property controls how the constrainedSize is interpreted when sizing the content.
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* if you are using automaticallyManagesContentSize, it can be crucial to ensure that the sizing is
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* done how you expect.
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* Vertical: The constrainedSize is interpreted as having unbounded .height (CGFLOAT_MAX), allowing
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* stacks and other content in the layout spec to expand and result in scrollable content.
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* Horizontal: The constrainedSize is interpreted as having unbounded .width (CGFLOAT_MAX), ...
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* Vertical & Horizontal: the constrainedSize is interpreted as unbounded in both directions.
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* @default ASScrollDirectionVerticalDirections
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*/
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@property (nonatomic, assign) ASScrollDirection scrollableDirections;
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@end
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NS_ASSUME_NONNULL_END
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