ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-12-22 22:25:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

[ASCellNode] Upgrades to ASCellNodeVisibilityEvent to ensure it is always synchronized with visibilityDidChange:

Browse Source
This commit is contained in:
Scott Goodson
2016-03-10 20:21:00 -08:00
parent c2b0670132
commit ff8ffffb7b
5 changed files with 47 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
AsyncDisplayKit/ASCollectionView.mm
View File

@@ -532,39 +532,35 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
- (void)collectionView:(UICollectionView *)collectionView willDisplayCell:(_ASCollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath
{
[_rangeController visibleNodeIndexPathsDidChangeWithScrollDirection:self.scrollDirection];
ASCellNode *cellNode = [cell node];
cellNode.scrollView = collectionView;
if ([_asyncDelegate respondsToSelector:@selector(collectionView:willDisplayNodeForItemAtIndexPath:)]) {
[_asyncDelegate collectionView:self willDisplayNodeForItemAtIndexPath:indexPath];
}
ASCellNode *cellNode = [cell node];
[_rangeController visibleNodeIndexPathsDidChangeWithScrollDirection:self.scrollDirection];
if (cellNode.neverShowPlaceholders) {
[cellNode recursivelyEnsureDisplaySynchronously:YES];
}
if (ASSubclassOverridesSelector([ASCellNode class], [cellNode class], @selector(cellNodeVisibilityEvent:inScrollView:withCellFrame:))) {
[_cellsForVisibilityUpdates addObject:cell];
[cellNode cellNodeVisibilityEvent:ASCellNodeVisibilityEventVisible
inScrollView:collectionView
withCellFrame:cell.frame];
}
}
- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingCell:(UICollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath
- (void)collectionView:(UICollectionView *)collectionView didEndDisplayingCell:(_ASCollectionViewCell *)cell forItemAtIndexPath:(NSIndexPath *)indexPath
{
[_rangeController visibleNodeIndexPathsDidChangeWithScrollDirection:self.scrollDirection];
ASCellNode *cellNode = [cell node];
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];
ASDisplayNodeAssertNotNil(cellNode, @"Expected node associated with removed cell not to be nil.");
[_asyncDelegate collectionView:self didEndDisplayingNode:cellNode forItemAtIndexPath:indexPath];
}
if ([_cellsForVisibilityUpdates containsObject:cell]) {
ASCellNode *node = ((_ASCollectionViewCell *)cell).node;
[node cellNodeVisibilityEvent:ASCellNodeVisibilityEventInvisible
inScrollView:collectionView
withCellFrame:cell.frame];
[_cellsForVisibilityUpdates removeObject:cell];
}
@@ -574,6 +570,8 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
[_asyncDelegate collectionView:self didEndDisplayingNodeForItemAtIndexPath:indexPath];
}
#pragma clang diagnostic pop
cellNode.scrollView = nil;
}
#pragma mark -