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Designated methods to control dirty propagation

Summary:
Those are supposed to replace all `dirtyText`, `dirtyPropagation`, `isPropagationDirty`, `setTextComputed`, `isTextDirty` and so on.
We will use it widely soon (and remove all old ones).

Reviewed By: mmmulani

Differential Revision: D6665634

fbshipit-source-id: 3c1db7154e90b71446756f2495627b163c779996
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shergin authored and facebook-github-bot committed Jan 8, 2018
1 parent f71f4e7 commit af226ef949f3a21ef68a6e6b9fbd4cc06fa05152
Showing with 33 additions and 0 deletions.
  1. +19 −0 React/Views/RCTShadowView+Layout.h
  2. +14 −0 React/Views/RCTShadowView+Layout.m
@@ -13,9 +13,28 @@
@interface RCTShadowView (Layout)
#pragma mark - Computed Layout-Inferred Metrics
@property (nonatomic, readonly) UIEdgeInsets paddingAsInsets;
@property (nonatomic, readonly) UIEdgeInsets borderAsInsets;
@property (nonatomic, readonly) UIEdgeInsets compoundInsets;
@property (nonatomic, readonly) CGSize availableSize;
#pragma mark - Dirty Propagation Control
/**
* Designated method to control dirty propagation mechanism.
* Dirties the shadow view (and all affected shadow views, usually a superview)
* in terms of layout.
* The default implementaion does nothing.
*/
- (void)dirtyLayout;
/**
* Designated method to control dirty propagation mechanism.
* Clears (makes not dirty) the shadow view.
* The default implementaion does nothing.
*/
- (void)clearLayout;
@end
@@ -13,6 +13,8 @@
@implementation RCTShadowView (Layout)
#pragma mark - Computed Layout-Inferred Metrics
- (UIEdgeInsets)paddingAsInsets
{
YGNodeRef yogaNode = self.yogaNode;
@@ -53,4 +55,16 @@ - (CGSize)availableSize
return UIEdgeInsetsInsetRect((CGRect){CGPointZero, self.frame.size}, self.compoundInsets).size;
}
#pragma mark - Dirty Propagation Control
- (void)dirtyLayout
{
// The default implementaion does nothing.
}
- (void)clearLayout
{
// The default implementaion does nothing.
}
@end

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