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145 lines
3.2 KiB
Plaintext
145 lines
3.2 KiB
Plaintext
/*
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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 "ASLayoutOptionsPrivate.h"
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#import <AsyncDisplayKit/ASDisplayNodeInternal.h>
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#import "ASThread.h"
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/**
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* Both an ASDisplayNode and an ASLayoutSpec conform to ASLayoutable. There are several properties
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* in ASLayoutable that are used as layoutOptions when a node or spec is used in a layout spec.
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* These properties are provided for convenience, as they are forwards to the node or spec's
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* ASLayoutOptions class. Instead of duplicating the property forwarding in both classes, we
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* create a define that allows us to easily implement the forwards in one place.
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*
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* If you create a custom layout spec, we recommend this stragety if you decide to extend
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* ASDisplayNode and ASLAyoutSpec to provide convenience properties for any options that your
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* layoutSpec may require.
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*/
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#define ASLayoutOptionsForwarding \
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- (ASLayoutOptions *)layoutOptions\
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{\
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ASDN::MutexLocker l(_layoutOptionsLock);\
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if (_layoutOptions == nil) {\
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_layoutOptions = [[[ASLayoutOptions defaultLayoutOptionsClass] alloc] initWithLayoutable:self];\
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}\
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return _layoutOptions;\
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}\
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\
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- (CGFloat)spacingBefore\
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{\
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return self.layoutOptions.spacingBefore;\
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}\
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\
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- (void)setSpacingBefore:(CGFloat)spacingBefore\
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{\
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self.layoutOptions.spacingBefore = spacingBefore;\
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}\
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\
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- (CGFloat)spacingAfter\
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{\
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return self.layoutOptions.spacingAfter;\
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}\
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\
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- (void)setSpacingAfter:(CGFloat)spacingAfter\
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{\
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self.layoutOptions.spacingAfter = spacingAfter;\
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}\
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\
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- (BOOL)flexGrow\
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{\
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return self.layoutOptions.flexGrow;\
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}\
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\
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- (void)setFlexGrow:(BOOL)flexGrow\
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{\
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self.layoutOptions.flexGrow = flexGrow;\
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}\
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\
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- (BOOL)flexShrink\
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{\
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return self.layoutOptions.flexShrink;\
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}\
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\
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- (void)setFlexShrink:(BOOL)flexShrink\
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{\
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self.layoutOptions.flexShrink = flexShrink;\
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}\
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\
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- (ASRelativeDimension)flexBasis\
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{\
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return self.layoutOptions.flexBasis;\
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}\
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\
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- (void)setFlexBasis:(ASRelativeDimension)flexBasis\
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{\
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self.layoutOptions.flexBasis = flexBasis;\
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}\
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\
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- (ASStackLayoutAlignSelf)alignSelf\
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{\
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return self.layoutOptions.alignSelf;\
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}\
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\
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- (void)setAlignSelf:(ASStackLayoutAlignSelf)alignSelf\
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{\
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self.layoutOptions.alignSelf = alignSelf;\
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}\
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\
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- (CGFloat)ascender\
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{\
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return self.layoutOptions.ascender;\
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}\
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\
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- (void)setAscender:(CGFloat)ascender\
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{\
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self.layoutOptions.ascender = ascender;\
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}\
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\
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- (CGFloat)descender\
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{\
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return self.layoutOptions.descender;\
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}\
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\
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- (void)setDescender:(CGFloat)descender\
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{\
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self.layoutOptions.descender = descender;\
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}\
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\
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- (ASRelativeSizeRange)sizeRange\
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{\
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return self.layoutOptions.sizeRange;\
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}\
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\
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- (void)setSizeRange:(ASRelativeSizeRange)sizeRange\
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{\
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self.layoutOptions.sizeRange = sizeRange;\
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}\
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\
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- (CGPoint)layoutPosition\
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{\
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return self.layoutOptions.layoutPosition;\
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}\
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\
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- (void)setLayoutPosition:(CGPoint)position\
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{\
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self.layoutOptions.layoutPosition = position;\
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}\
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@implementation ASDisplayNode(ASLayoutOptions)
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ASLayoutOptionsForwarding
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@end
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@implementation ASLayoutSpec(ASLayoutOptions)
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ASLayoutOptionsForwarding
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@end
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