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Functioning Preload range

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Refactor how we do ranges so they can be arbitrarily managed. Introduce the concept of a preload range.
This commit is contained in:
Ryan Nystrom
2015-02-02 18:23:45 -08:00
parent 9c877c51af
commit 4fa03a01d1
27 changed files with 477 additions and 222 deletions
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23
AsyncDisplayKit/ASDisplayNode+Subclasses.h
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@@ -185,6 +185,14 @@
*/
- (void)displayDidFinish ASDISPLAYNODE_REQUIRES_SUPER;
/**
* @abstract Indicates that the node should fetch any external data, such as images.
*
* @discussion Subclasses may override this method to be notified when they should begin to fetch data. Fetching
* should be done asynchronously. The node is also responsible for managing the memory of any data.
*/
- (void)fetchRemoteData ASDISPLAYNODE_REQUIRES_SUPER;
/**
* @abstract Indicates that the receiver is about to display its subnodes. This method is not called if there are no
* subnodes present.
@@ -312,13 +320,20 @@
- (void)didExitHierarchy ASDISPLAYNODE_REQUIRES_SUPER;
/**
* Provides an opportunity to clear backing store and other memory-intensive intermediates, such as text layout managers
* or downloaded content that can be written to a disk cache.
* Provides an opportunity to clear backing store and other memory-intensive intermediates, such as text layout managers.
*
* @discussion Called by -recursivelyReclaimMemory. Base class implements self.contents = nil, clearing any backing
* @discussion Called by -recursivelyClearRendering. Base class implements self.contents = nil, clearing any backing
* store, for asynchronous regeneration when needed.
*/
- (void)reclaimMemory ASDISPLAYNODE_REQUIRES_SUPER;
- (void)clearRendering ASDISPLAYNODE_REQUIRES_SUPER;
/**
* Provides an opportunity to clear any remote data for only the current node.
*
* @discussion This will not clear data recursively for all subnodes. Either call -recursivelyClearRemoteData or
* selectively clear remote data.
*/
- (void)clearRemoteData ASDISPLAYNODE_REQUIRES_SUPER;
/** @name Placeholders */