73 строки
1.9 KiB
Objective-C
73 строки
1.9 KiB
Objective-C
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "RCTShadowView+Layout.h"
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#import <yoga/Yoga.h>
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#import "RCTAssert.h"
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@implementation RCTShadowView (Layout)
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#pragma mark - Computed Layout-Inferred Metrics
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- (UIEdgeInsets)paddingAsInsets
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{
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YGNodeRef yogaNode = self.yogaNode;
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return (UIEdgeInsets){
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetPadding(yogaNode, YGEdgeTop)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetPadding(yogaNode, YGEdgeLeft)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetPadding(yogaNode, YGEdgeBottom)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetPadding(yogaNode, YGEdgeRight))};
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}
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- (UIEdgeInsets)borderAsInsets
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{
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YGNodeRef yogaNode = self.yogaNode;
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return (UIEdgeInsets){
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetBorder(yogaNode, YGEdgeTop)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetBorder(yogaNode, YGEdgeLeft)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetBorder(yogaNode, YGEdgeBottom)),
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RCTCoreGraphicsFloatFromYogaFloat(YGNodeLayoutGetBorder(yogaNode, YGEdgeRight))};
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}
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- (UIEdgeInsets)compoundInsets
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{
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UIEdgeInsets borderAsInsets = self.borderAsInsets;
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UIEdgeInsets paddingAsInsets = self.paddingAsInsets;
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return (UIEdgeInsets){
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borderAsInsets.top + paddingAsInsets.top,
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borderAsInsets.left + paddingAsInsets.left,
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borderAsInsets.bottom + paddingAsInsets.bottom,
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borderAsInsets.right + paddingAsInsets.right};
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}
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- (CGSize)availableSize
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{
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return self.layoutMetrics.contentFrame.size;
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}
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- (CGRect)contentFrame
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{
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return self.layoutMetrics.contentFrame;
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}
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#pragma mark - Dirty Propagation Control
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- (void)dirtyLayout
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{
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// The default implementation does nothing.
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}
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- (void)clearLayout
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{
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// The default implementation does nothing.
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}
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@end
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