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Implement async transition

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This commit is contained in:
Huy Nguyen
2016-03-08 23:30:03 -08:00
parent cdd1bd1e39
commit fa8f2f4429
12 changed files with 544 additions and 233 deletions
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34
AsyncDisplayKit/ASDisplayNode+Beta.h
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@@ -57,18 +57,38 @@ ASDISPLAYNODE_EXTERN_C_END
- (void)didCompleteLayoutTransition:(id<ASContextTransitioning>)context;
/**
* @abstract Transitions the current layout with a new constrained size.
* @abstract Transitions the current layout with a new constrained size. Must be called on main thread.
*
* @discussion Animation is optional, but will still proceed through your `animateLayoutTransition` implementation with `isAnimated == NO`.
* If the passed constrainedSize is the the same as the node's current constrained size, this method is noop.
* @param animated Animation is optional, but will still proceed through your `animateLayoutTransition` implementation with `isAnimated == NO`.
*
* @param shouldMeasureAsync Measure the layout asynchronously.
*
* @param measurementCompletion Optional completion block called only if a new layout is calculated.
* It is called on main, right after the measurement and before -animateLayoutTransition:.
*
* @discussion If the passed constrainedSize is the the same as the node's current constrained size, this method is noop.
*
* @see animateLayoutTransition:
*/
- (ASLayout *)transitionLayoutWithSizeRange:(ASSizeRange)constrainedSize animated:(BOOL)animated;
- (void)transitionLayoutWithSizeRange:(ASSizeRange)constrainedSize
animated:(BOOL)animated
shouldMeasureAsync:(BOOL)shouldMeasureAsync
measurementCompletion:(void(^)())completion;
/**
* @abstract Invalidates the current layout and begins a relayout of the node with the current `constrainedSize`.
* @abstract Invalidates the current layout and begins a relayout of the node with the current `constrainedSize`. Must be called on main thread.
*
* @discussion Animation is optional, but will still proceed through your `animateLayoutTransition` implementation with `isAnimated == NO`.
* @param animated Animation is optional, but will still proceed through your `animateLayoutTransition` implementation with `isAnimated == NO`.
*
* @param shouldMeasureAsync Measure the layout asynchronously.
*
* @param measurementCompletion Optional completion block called only if a new layout is calculated.
* It is called right after the measurement and before -animateLayoutTransition:.
*
* @see animateLayoutTransition:
*/
- (ASLayout *)transitionLayoutWithAnimation:(BOOL)animated;
- (void)transitionLayoutWithAnimation:(BOOL)animated
shouldMeasureAsync:(BOOL)shouldMeasureAsync
measurementCompletion:(void(^)())completion;
@end