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Relayout all nodes in backing store on relayoutAllNodes

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This commit is contained in:
Levi McCallum
2015-10-06 10:14:29 -07:00
parent 432136740f
commit 71966f3549
4 changed files with 30 additions and 23 deletions
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2
AsyncDisplayKit/ASCollectionView.mm
View File

@@ -596,7 +596,7 @@ static BOOL _isInterceptedSelector(SEL sel)
_ignoreMaxSizeChange = NO;
} else {
[self performBatchAnimated:NO updates:^{
[_dataController relayoutAllRows];
[_dataController relayoutAllNodes];
} completion:nil];
}
}

2
AsyncDisplayKit/ASTableView.mm
View File

@@ -405,7 +405,7 @@ void ASPerformBlockWithoutAnimation(BOOL withoutAnimation, void (^block)()) {
_ignoreMaxWidthChange = NO;
} else {
[self beginUpdates];
[_dataController relayoutAllRows];
[_dataController relayoutAllNodes];
[self endUpdates];
}
}

6
AsyncDisplayKit/Details/ASDataController.h
View File

@@ -157,10 +157,12 @@ typedef NSUInteger ASDataControllerAnimationOptions;
- (void)reloadRowsAtIndexPaths:(NSArray *)indexPaths withAnimationOptions:(ASDataControllerAnimationOptions)animationOptions;
/**
* Re-measures all loaded nodes. Used to respond to a change in size of the containing view
* Re-measures all loaded nodes in the backing store.
*
* @discussion Used to respond to a change in size of the containing view
* (e.g. ASTableView or ASCollectionView after an orientation change).
*/
- (void)relayoutAllRows;
- (void)relayoutAllNodes;
- (void)moveRowAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath withAnimationOptions:(ASDataControllerAnimationOptions)animationOptions;

43
AsyncDisplayKit/Details/ASDataController.mm
View File

@@ -729,41 +729,46 @@ static void *kASSizingQueueContext = &kASSizingQueueContext;
}];
}
- (void)relayoutAllRows
- (void)relayoutAllNodes
{
[self performEditCommandWithBlock:^{
ASDisplayNodeAssertMainThread();
LOG(@"Edit Command - relayoutRows");
[_editingTransactionQueue waitUntilAllOperationsAreFinished];
void (^relayoutNodesBlock)(NSMutableArray *) = ^void(NSMutableArray *nodes) {
if (!nodes.count) {
return;
}
[self accessDataSourceWithBlock:^{
[nodes enumerateObjectsUsingBlock:^(NSMutableArray *section, NSUInteger sectionIndex, BOOL *stop) {
[section enumerateObjectsUsingBlock:^(ASCellNode *node, NSUInteger rowIndex, BOOL *stop) {
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:rowIndex inSection:sectionIndex];
ASSizeRange constrainedSize = [_dataSource dataController:self constrainedSizeForNodeAtIndexPath:indexPath];
[node measureWithSizeRange:constrainedSize];
node.frame = CGRectMake(0.0f, 0.0f, node.calculatedSize.width, node.calculatedSize.height);
}];
}];
}];
};
// Can't relayout right away because _completedNodes may not be up-to-date,
// i.e there might be some nodes that were measured using the old constrained size but haven't been added to _completedNodes
// (see _layoutNodes:atIndexPaths:withAnimationOptions:).
[_editingTransactionQueue addOperationWithBlock:^{
ASDisplayNodePerformBlockOnMainThread(^{
relayoutNodesBlock(_completedNodes[ASDataControllerRowNodeKind]);
[_completedNodes enumerateKeysAndObjectsUsingBlock:^(NSString *kind, NSMutableArray *nodes, BOOL *stop) {
[self _relayoutNodesOfKind:kind];
}];
});
}];
}];
}
- (void)_relayoutNodesOfKind:(NSString *)kind
{
ASDisplayNodeAssertMainThread();
NSArray *nodes = [self completedNodesOfKind:kind];
if (!nodes.count) {
return;
}
[self accessDataSourceWithBlock:^{
[nodes enumerateObjectsUsingBlock:^(NSMutableArray *section, NSUInteger sectionIndex, BOOL *stop) {
[section enumerateObjectsUsingBlock:^(ASCellNode *node, NSUInteger rowIndex, BOOL *stop) {
NSIndexPath *indexPath = [NSIndexPath indexPathForRow:rowIndex inSection:sectionIndex];
ASSizeRange constrainedSize = [self constrainedSizeForNodeOfKind:kind atIndexPath:indexPath];
[node measureWithSizeRange:constrainedSize];
node.frame = CGRectMake(0.0f, 0.0f, node.calculatedSize.width, node.calculatedSize.height);
}];
}];
}];
}
- (void)moveRowAtIndexPath:(NSIndexPath *)indexPath toIndexPath:(NSIndexPath *)newIndexPath withAnimationOptions:(ASDataControllerAnimationOptions)animationOptions
{
[self performEditCommandWithBlock:^{