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Add locking for ASInterfaceState. Misc. cleanup.

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This commit is contained in:
Scott Goodson
2015-11-29 14:57:43 -08:00
parent fb9f37b293
commit 254f55b758
5 changed files with 68 additions and 65 deletions
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45
AsyncDisplayKit/ASDisplayNodeExtras.mm
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@@ -10,17 +10,17 @@
#import "ASDisplayNodeInternal.h"
inline ASDisplayNode *ASLayerToDisplayNode(CALayer *layer)
extern ASDisplayNode *ASLayerToDisplayNode(CALayer *layer)
{
return layer.asyncdisplaykit_node;
}
inline ASDisplayNode *ASViewToDisplayNode(UIView *view)
extern ASDisplayNode *ASViewToDisplayNode(UIView *view)
{
return view.asyncdisplaykit_node;
}
void ASDisplayNodePerformBlockOnEveryNode(CALayer *layer, ASDisplayNode *node, void(^block)(ASDisplayNode *node))
extern void ASDisplayNodePerformBlockOnEveryNode(CALayer *layer, ASDisplayNode *node, void(^block)(ASDisplayNode *node))
{
if (!node) {
ASDisplayNodeCAssertNotNil(layer, @"Cannot recursively perform with nil node and nil layer");
@@ -148,6 +148,45 @@ extern id ASDisplayNodeFindFirstSubnodeOfClass(ASDisplayNode *start, Class c)
});
}
static inline BOOL _ASDisplayNodeIsAncestorOfDisplayNode(ASDisplayNode *possibleAncestor, ASDisplayNode *possibleDescendent)
{
ASDisplayNode *supernode = possibleDescendent;
while (supernode) {
if (supernode == possibleAncestor) {
return YES;
}
supernode = supernode.supernode;
}
return NO;
}
extern ASDisplayNode *ASDisplayNodeFindClosestCommonAncestor(ASDisplayNode *node1, ASDisplayNode *node2)
{
ASDisplayNode *possibleAncestor = node1;
while (possibleAncestor) {
if (_ASDisplayNodeIsAncestorOfDisplayNode(possibleAncestor, node2)) {
break;
}
possibleAncestor = possibleAncestor.supernode;
}
ASDisplayNodeCAssertNotNil(possibleAncestor, @"Could not find a common ancestor between node1: %@ and node2: %@", node1, node2);
return possibleAncestor;
}
extern ASDisplayNode *ASDisplayNodeUltimateParentOfNode(ASDisplayNode *node)
{
// node <- supernode on each loop
// previous <- node on each loop where node is not nil
// previous is the final non-nil value of supernode, i.e. the root node
ASDisplayNode *previousNode = node;
while ((node = [node supernode])) {
previousNode = node;
}
return previousNode;
}
#pragma mark - Placeholders
UIColor *ASDisplayNodeDefaultPlaceholderColor()