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Merge pull request #1058 from Adlai-Holler/DidEndDisplayingNodeProvideNode

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Add New didEndDisplayingNode:forItemAtIndexPath: delegate methods to provide removed node
This commit is contained in:
appleguy 2016-01-13 23:55:34 -08:00
commit 9afb77f7bc
4 changed files with 56 additions and 3 deletions
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20
AsyncDisplayKit/ASCollectionView.h
View File

@ -376,7 +376,17 @@ NS_ASSUME_NONNULL_BEGIN
@optional
- (void)collectionView:(ASCollectionView *)collectionView willDisplayNodeForItemAtIndexPath:(NSIndexPath *)indexPath;
- (void)collectionView:(ASCollectionView *)collectionView didEndDisplayingNodeForItemAtIndexPath:(NSIndexPath *)indexPath;
/**
* Informs the delegate that the collection view did remove the provided node from the view hierarchy.
* This may be caused by the node scrolling out of view, or by deleting the item
* or its containing section with @c deleteItemsAtIndexPaths: or @c deleteSections: .
*
* @param collectionView The sender.
* @param node The node which was removed from the view hierarchy.
* @param indexPath The index path at which the node was located before it was removed.
*/
- (void)collectionView:(ASCollectionView *)collectionView didEndDisplayingNode:(ASCellNode *)node forItemAtIndexPath:(NSIndexPath *)indexPath;
/**
* Receive a message that the collectionView is near the end of its data set and more data should be fetched if
@ -406,6 +416,14 @@ NS_ASSUME_NONNULL_BEGIN
*/
- (BOOL)shouldBatchFetchForCollectionView:(ASCollectionView *)collectionView;
/**
* Informs the delegate that the collection view did remove the node which was previously
* at the given index path from the view hierarchy.
*
* This method is deprecated. Use @c collectionView:didEndDisplayingNode:forItemAtIndexPath: instead.
*/
- (void)collectionView:(ASCollectionView *)collectionView didEndDisplayingNodeForItemAtIndexPath:(NSIndexPath *)indexPath ASDISPLAYNODE_DEPRECATED;
@end
/**

10
AsyncDisplayKit/ASCollectionView.mm
View File

@ -570,10 +570,18 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath
{
[_rangeController visibleNodeIndexPathsDidChangeWithScrollDirection:self.scrollDirection];
if ([_asyncDelegate respondsToSelector:@selector(collectionView:didEndDisplayingNode:forItemAtIndexPath:)]) {
ASCellNode *node = ((_ASCollectionViewCell *)cell).node;
ASDisplayNodeAssertNotNil(node, @"Expected node associated with removed cell not to be nil.");
[_asyncDelegate collectionView:self didEndDisplayingNode:node forItemAtIndexPath:indexPath];
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if ([_asyncDelegate respondsToSelector:@selector(collectionView:didEndDisplayingNodeForItemAtIndexPath:)]) {
[_asyncDelegate collectionView:self didEndDisplayingNodeForItemAtIndexPath:indexPath];
}
#pragma clang diagnostic pop
}
- (void)layoutSubviews

20
AsyncDisplayKit/ASTableView.h
View File

@ -336,7 +336,17 @@ NS_ASSUME_NONNULL_BEGIN
@optional
- (void)tableView:(ASTableView *)tableView willDisplayNodeForRowAtIndexPath:(NSIndexPath *)indexPath;
- (void)tableView:(ASTableView *)tableView didEndDisplayingNodeForRowAtIndexPath:(NSIndexPath *)indexPath;
/**
* Informs the delegate that the table view did remove the provided node from the view hierarchy.
* This may be caused by the node scrolling out of view, or by deleting the row
* or its containing section with @c deleteRowsAtIndexPaths:withRowAnimation: or @c deleteSections:withRowAnimation: .
*
* @param tableView The sender.
* @param node The node which was removed from the view hierarchy.
* @param indexPath The index path at which the node was located before the removal.
*/
- (void)tableView:(ASTableView *)tableView didEndDisplayingNode:(ASCellNode *)node forRowAtIndexPath:(NSIndexPath *)indexPath;
/**
* Receive a message that the tableView is near the end of its data set and more data should be fetched if necessary.
@ -365,6 +375,14 @@ NS_ASSUME_NONNULL_BEGIN
*/
- (BOOL)shouldBatchFetchForTableView:(ASTableView *)tableView;
/**
* Informs the delegate that the table view did remove the node which was previously
* at the given index path from the view hierarchy.
*
* This method is deprecated. Use @c tableView:didEndDisplayingNode:forRowAtIndexPath: instead.
*/
- (void)tableView:(ASTableView *)tableView didEndDisplayingNodeForRowAtIndexPath:(NSIndexPath *)indexPath ASDISPLAYNODE_DEPRECATED;
@end
@protocol ASTableViewDelegate <ASTableDelegate>

9
AsyncDisplayKit/ASTableView.mm
View File

@ -598,9 +598,18 @@ static NSString * const kCellReuseIdentifier = @"_ASTableViewCell";
[_rangeController visibleNodeIndexPathsDidChangeWithScrollDirection:self.scrollDirection];
if ([_asyncDelegate respondsToSelector:@selector(tableView:didEndDisplayingNode:forRowAtIndexPath:)]) {
ASCellNode *node = ((_ASTableViewCell *)cell).node;
ASDisplayNodeAssertNotNil(node, @"Expected node associated with removed cell not to be nil.");
[_asyncDelegate tableView:self didEndDisplayingNode:node forRowAtIndexPath:indexPath];
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wdeprecated-declarations"
if ([_asyncDelegate respondsToSelector:@selector(tableView:didEndDisplayingNodeForRowAtIndexPath:)]) {
[_asyncDelegate tableView:self didEndDisplayingNodeForRowAtIndexPath:indexPath];
}
#pragma clang diagnostic pop
}