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Move ASCellNode allocation off the main thread by the addition of a node block

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API in ASDataController. Move allocations and loaded node layouts to occur
during batch layout phase.
This commit is contained in:
Rahul Malik
2016-02-02 15:00:24 -08:00
parent 35a4b268d6
commit 521c3fa1c1
14 changed files with 306 additions and 48 deletions
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27
AsyncDisplayKit/ASTableView.mm
View File

@@ -876,6 +876,33 @@ static NSString * const kCellReuseIdentifier = @"_ASTableViewCell";
return node;
}
- (ASDataControllerCellNodeBlock)dataController:(ASDataController *)dataController nodeBlockAtIndexPath:(NSIndexPath *)indexPath {
if (![_asyncDataSource respondsToSelector:@selector(tableView:nodeBlockForRowAtIndexPath:)]) {
ASCellNode *node = [_asyncDataSource tableView:self nodeForRowAtIndexPath:indexPath];
return ^{
[node enterHierarchyState:ASHierarchyStateRangeManaged];
ASDisplayNodeAssert([node isKindOfClass:ASCellNode.class], @"invalid node class, expected ASCellNode");
if (node.layoutDelegate == nil) {
node.layoutDelegate = self;
}
return node;
};
}
ASDataControllerCellNodeBlock block = [_asyncDataSource tableView:self nodeBlockForRowAtIndexPath:indexPath];
__weak __typeof__(self) weakSelf = self;
ASDataControllerCellNodeBlock configuredNodeBlock = ^{
__typeof__(self) strongSelf = weakSelf;
ASCellNode *node = block();
[node enterHierarchyState:ASHierarchyStateRangeManaged];
if (node.layoutDelegate == nil) {
node.layoutDelegate = strongSelf;
}
return node;
};
return configuredNodeBlock;
}
- (ASSizeRange)dataController:(ASDataController *)dataController constrainedSizeForNodeAtIndexPath:(NSIndexPath *)indexPath
{
return ASSizeRangeMake(CGSizeMake(_nodesConstrainedWidth, 0),