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Fix context handling in ASDisplayNode:measureWithSizeRange

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Huy Nguyen
2016-03-28 23:56:39 -07:00
parent 32551c0be9
commit 495a4a00b7
1 changed files with 13 additions and 13 deletions
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26
AsyncDisplayKit/ASDisplayNode.mm
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@@ -602,32 +602,32 @@ static ASDisplayNodeMethodOverrides GetASDisplayNodeMethodOverrides(Class c)
[self cancelLayoutTransitionsInProgress];
BOOL contextExists = (_supernode != nil);
BOOL didOverrideContext = NO;
BOOL didCreateNewContext = NO;
BOOL didOverrideExistingContext = NO;
ASLayoutableContext context;
if (contextExists) {
if (ASLayoutableContextIsNull(ASLayoutableGetCurrentContext())) {
context = ASLayoutableContextMake(ASLayoutableContextDefaultTransitionID,
_shouldVisualizeLayoutSpecs);
ASLayoutableSetCurrentContext(context);
didCreateNewContext = YES;
} else {
context = ASLayoutableGetCurrentContext();
if (context.needsVisualizeNode != _shouldVisualizeLayoutSpecs) {
context.needsVisualizeNode = _shouldVisualizeLayoutSpecs;
ASLayoutableSetCurrentContext(context);
didOverrideContext = YES;
didOverrideExistingContext = YES;
}
} else {
context = ASLayoutableContextMake(0, _shouldVisualizeLayoutSpecs);
ASLayoutableSetCurrentContext(context);
}
ASLayout *previousLayout = _layout;
ASSizeRange previousConstrainedSize = _constrainedSize;
ASLayout *newLayout = [self calculateLayoutThatFits:constrainedSize];
if (contextExists) {
if (didOverrideContext) {
context.needsVisualizeNode = !context.needsVisualizeNode;
ASLayoutableSetCurrentContext(context);
}
} else {
if (didCreateNewContext) {
ASLayoutableClearCurrentContext();
} else if (didOverrideExistingContext) {
context.needsVisualizeNode = !context.needsVisualizeNode;
ASLayoutableSetCurrentContext(context);
}
if (ASHierarchyStateIncludesLayoutPending(_hierarchyState)) {