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Address documentation of ASCellNodeVisibilityEvent

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This commit is contained in:
Huy Nguyen 2016-03-01 15:56:08 -08:00
parent c64f23725f
commit 1dffc20e4d
1 changed files with 12 additions and 3 deletions
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15
AsyncDisplayKit/ASCellNode.h
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@ -15,11 +15,20 @@ NS_ASSUME_NONNULL_BEGIN
typedef NSUInteger ASCellNodeAnimation; typedef NSUInteger ASCellNodeAnimation;
typedef enum : NSUInteger { typedef enum : NSUInteger {
// Indicates a cell has just became visible /**
* Indicates a cell has just became visible
*/
ASCellNodeVisibilityEventVisible, ASCellNodeVisibilityEventVisible,
// Indicates a visible cell has a different visible rect. Its position, percent visible or both have changed. /**
* Its position (determined by scrollView.contentOffset) has changed while at least 1px remains visible.
* It is possible that 100% of the cell is visible both before and after and only its position has changed,
* or that the position change has resulted in more or less of the cell being visible.
* Use CGRectIntersect between cellFrame and scrollView.bounds to get this rectangle
*/
ASCellNodeVisibilityEventVisibleRectChanged, ASCellNodeVisibilityEventVisibleRectChanged,
// Indicates a cell is no longer visible /**
* Indicates a cell is no longer visible
*/
ASCellNodeVisibilityEventInvisible, ASCellNodeVisibilityEventInvisible,
} ASCellNodeVisibilityEvent; } ASCellNodeVisibilityEvent;