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Make new interface state a first-class value

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This commit is contained in:
Adlai Holler
2015-12-04 12:49:38 -08:00
parent 9579420cd7
commit 0bfb5a0401
1 changed files with 9 additions and 13 deletions
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22
AsyncDisplayKit/ASDisplayNode.h
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@@ -51,21 +51,17 @@ typedef NS_OPTIONS(NSUInteger, ASInterfaceState)
/** The element is physically onscreen by at least 1 pixel.
In practice, all other bit fields should also be set when this flag is set. */
ASInterfaceStateVisible = 1 << 3,
/**
* The node is not contained in a cell but it is in a window.
*
* Currently we only set `interfaceState` to other values for
* nodes contained in table views or collection views.
*/
ASInterfaceStateInHierarchy = ASInterfaceStateMeasureLayout | ASInterfaceStateFetchData | ASInterfaceStateDisplay | ASInterfaceStateVisible,
};
/**
* Currently we only set `interfaceState` for
* nodes contained in table views or collection views.
* Nodes that aren't contained in cells will be in this state when
* they are in the view hierarchy, and `ASInterfaceStateNone` when
* they aren't.
*/
static const ASInterfaceState ASInterfaceStateInHierarchy =
ASInterfaceStateMeasureLayout
| ASInterfaceStateFetchData
| ASInterfaceStateDisplay
| ASInterfaceStateVisible;
/**
* An `ASDisplayNode` is an abstraction over `UIView` and `CALayer` that allows you to perform calculations about a view