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Make ASCollectionView always create an ASCollectionNode. Add visibilityDidChange:, interfaceStateDidChange:fromState:

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This commit is contained in:
Scott Goodson
2015-12-22 21:46:46 -08:00
parent d7492b331f
commit 065625f246
9 changed files with 180 additions and 169 deletions
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36
AsyncDisplayKit/ASCollectionView.h
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@@ -12,7 +12,7 @@
#import <AsyncDisplayKit/ASCollectionViewProtocols.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
#import <AsyncDisplayKit/ASBatchContext.h>
#import <AsyncDisplayKit/ASCollectionViewFlowLayoutInspector.h>
@class ASCellNode;
@protocol ASCollectionViewDataSource;
@@ -27,6 +27,11 @@
*/
@interface ASCollectionView : UICollectionView
/**
* Initializer.
*
* @param layout The layout object to use for organizing items. The collection view stores a strong reference to the specified object. Must not be nil.
*/
- (instancetype)initWithCollectionViewLayout:(UICollectionViewLayout *)layout;
@property (nonatomic, weak) id<ASCollectionViewDataSource> asyncDataSource;
@@ -52,27 +57,6 @@
*/
- (void)setTuningParameters:(ASRangeTuningParameters)tuningParameters forRangeType:(ASLayoutRangeType)rangeType;
/**
* Initializer.
*
* @param frame The frame rectangle for the collection view, measured in points. The origin of the frame is relative to the superview
* in which you plan to add it. This frame is passed to the superclass during initialization.
*
* @param layout The layout object to use for organizing items. The collection view stores a strong reference to the specified object.
* Must not be nil.
*
* @param asyncDataFetchingEnabled Enable the data fetching in async mode.
*
* @discussion If asyncDataFetching is enabled, the `ASCollectionView` will fetch data through `collectionView:numberOfRowsInSection:` and
* `collectionView:nodeForRowAtIndexPath:` in async mode from background thread. Otherwise, the methods will be invoked synchronically
* from calling thread.
* Enabling asyncDataFetching could avoid blocking main thread for `ASCellNode` allocation, which is frequently reported issue for
* large scale data. On another hand, the application code need take the responsibility to avoid data inconsistence. Specifically,
* we will lock the data source through `collectionViewLockDataSource`, and unlock it by `collectionViewUnlockDataSource` after the data fetching.
* The application should not update the data source while the data source is locked, to keep data consistence.
*/
- (instancetype)initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionViewLayout *)layout asyncDataFetching:(BOOL)asyncDataFetchingEnabled;
/**
* The number of screens left to scroll before the delegate -collectionView:beginBatchFetchingWithContext: is called.
*
@@ -429,4 +413,10 @@
*/
- (CGSize)collectionView:(ASCollectionView *)collectionView layout:(UICollectionViewLayout *)collectionViewLayout referenceSizeForFooterInSection:(NSInteger)section;
@end
@end
@interface ASCollectionView (Deprecated)
- (instancetype)initWithFrame:(CGRect)frame collectionViewLayout:(UICollectionViewLayout *)layout asyncDataFetching:(BOOL)asyncDataFetchingEnabled ASDISPLAYNODE_DEPRECATED;
@end