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Fix watch tab bug

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Summary:
This solves the watch tab crash discussed here D15266478, which got reverted.

Bug: [Here](diffusion/FBS/browse/master/xplat/sonar/iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutPlugin/FlipperKitLayoutPlugin.mm;57c596a566bec49e343af51b93df65ed1377a2b9$338), when the node is `CKComponentRootView` the `[descriptor childForNode: node atIndex: i]` returns `SKComponentLayoutWrapper`. In the next iteration of the loop, node is `SKComponentLayoutWrapper`, the  `[descriptor childForNode: node atIndex: i]` returns `CKComponentRootView`, and hence the infinite recursion

I also tested T44431259, it is not regressed.

Reviewed By: passy

Differential Revision: D15451821

fbshipit-source-id: 25f10112f5f52bb1fa964316a4c7e91a3b29156d
This commit is contained in:
Pritesh Nandgaonkar
2019-05-23 03:46:25 -07:00
committed by Facebook Github Bot
parent 2c024a4488
commit 7576e1c61d
3 changed files with 11 additions and 3 deletions
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9
iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/SKComponentLayoutWrapper.mm
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@@ -58,7 +58,8 @@ static CKFlexboxComponentChild findFlexboxLayoutParams(CKComponent *parent, CKCo
[[SKComponentLayoutWrapper alloc] initWithLayout:layout
position:CGPointMake(0, 0)
parentKey:[NSString stringWithFormat: @"%p.", layout.component]
reuseWrapper:reuseWrapper];
reuseWrapper:reuseWrapper
rootNode: root];
// Cache the result.
if (layout.component) {
objc_setAssociatedObject(layout.component, &kLayoutWrapperKey, wrapper, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
@@ -70,8 +71,10 @@ static CKFlexboxComponentChild findFlexboxLayoutParams(CKComponent *parent, CKCo
position:(CGPoint)position
parentKey:(NSString *)parentKey
reuseWrapper:(CKComponentReuseWrapper *)reuseWrapper
rootNode:(id<CKInspectableView>)node
{
if (self = [super init]) {
_rootNode = node;
_component = layout.component;
_size = layout.size;
_position = position;
@@ -93,7 +96,9 @@ static CKFlexboxComponentChild findFlexboxLayoutParams(CKComponent *parent, CKCo
SKComponentLayoutWrapper *childWrapper = [[SKComponentLayoutWrapper alloc] initWithLayout:child.layout
position:child.position
parentKey:[_identifier stringByAppendingFormat:@"[%d].", index++]
reuseWrapper:reuseWrapper];
reuseWrapper:reuseWrapper
rootNode: nil
];
childWrapper->_isFlexboxChild = [_component isKindOfClass:[CKFlexboxComponent class]];
childWrapper->_flexboxChild = findFlexboxLayoutParams(_component, child.layout.component);
_children.push_back(childWrapper);