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f588bceb4d
- Both ASDisplayNode and ASLayoutNode conforms to this protocol. - ASDisplayNode can be embeded directly into layout graph. - Eliminate ASCompositeNode. - Fix ASStaticSizeDisplayNode not recpect min constrained size. - Updated tests.
31 lines
951 B
Objective-C
31 lines
951 B
Objective-C
/*
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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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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*/
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#import <AsyncDisplayKit/ASDimension.h>
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@class ASLayout;
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@protocol ASLayoutable <NSObject>
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/**
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* @abstract Calculate a layout based on given size range.
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*
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* @param constrainedSize The minimum and maximum sizes the receiver should fit in.
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*
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* @return An ASLayout instance defining the layout of the receiver and its children.
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*
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* @discussion This method is called on a non-main thread. Other expensive work that needs to
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* be done before display can be performed here, and using ivars to cache any valuable intermediate results is
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* encouraged.
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*/
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- (ASLayout *)calculateLayoutThatFits:(ASSizeRange)constrainedSize;
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@end
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