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Context is a pretty general name that will cause conflicts with subclasses (#1399)

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This commit is contained in:
Garrett Moon
2019-03-12 15:32:58 -07:00
committed by GitHub
parent 223d6bdca7
commit 96a7723d3b
2 changed files with 6 additions and 6 deletions
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6
Source/ASDisplayNode.h
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@@ -97,11 +97,11 @@ AS_EXTERN NSInteger const ASDefaultDrawingPriority;
@interface ASDisplayNode : NSObject <ASLocking> {
@public
/**
* The _context ivar is unused by Texture, but provided to enable advanced clients to make powerful extensions to base class functionality.
* For example, _context can be used to implement category methods on ASDisplayNode that add functionality to all node subclass types.
* The _displayNodeContext ivar is unused by Texture, but provided to enable advanced clients to make powerful extensions to base class functionality.
* For example, _displayNodeContext can be used to implement category methods on ASDisplayNode that add functionality to all node subclass types.
* Code demonstrating this technique can be found in the CatDealsCollectionView example.
*/
void *_context;
void *_displayNodeContext;
}
/** @name Initializing a node object */

6
examples/CatDealsCollectionView/Sample/ASDisplayNode+CatDeals.mm
View File

@@ -14,16 +14,16 @@ struct CatDealsNodeContext {
NSString *loggingID = nil;
};
// Convenience to cast _context into our struct reference.
// Convenience to cast _displayNodeContext into our struct reference.
NS_INLINE CatDealsNodeContext &GetNodeContext(ASDisplayNode *node) {
return *static_cast<CatDealsNodeContext *>(node->_context);
return *static_cast<CatDealsNodeContext *>(node->_displayNodeContext);
}
@implementation ASDisplayNode (CatDeals)
- (void)baseDidInit
{
_context = new CatDealsNodeContext;
_displayNodeContext = new CatDealsNodeContext;
}
- (void)baseWillDealloc