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chore: add not stable cell height cache back

This commit is contained in:
CMK 2021-07-03 03:31:49 +08:00
parent 0fc1aed004
commit c6e2e867e1
1 changed files with 27 additions and 27 deletions
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54
Mastodon/Scene/Notification/NotificationViewController.swift
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@ -189,33 +189,33 @@ extension NotificationViewController {
extension NotificationViewController: StatusTableViewControllerAspect { }
// MARK: - TableViewCellHeightCacheableContainer
//extension NotificationViewController: TableViewCellHeightCacheableContainer {
// var cellFrameCache: NSCache<NSNumber, NSValue> {
// viewModel.cellFrameCache
// }
//
// func cacheTableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
// guard let diffableDataSource = viewModel.diffableDataSource else { return }
// guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
// let key = item.hashValue
// let frame = cell.frame
// viewModel.cellFrameCache.setObject(NSValue(cgRect: frame), forKey: NSNumber(value: key))
// }
//
// func handleTableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
// guard let diffableDataSource = viewModel.diffableDataSource else { return UITableView.automaticDimension }
// guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return UITableView.automaticDimension }
// guard let frame = viewModel.cellFrameCache.object(forKey: NSNumber(value: item.hashValue))?.cgRectValue else {
// if case .bottomLoader = item {
// return TimelineLoaderTableViewCell.cellHeight
// } else {
// return UITableView.automaticDimension
// }
// }
//
// return ceil(frame.height)
// }
//}
extension NotificationViewController: TableViewCellHeightCacheableContainer {
var cellFrameCache: NSCache<NSNumber, NSValue> {
viewModel.cellFrameCache
}
func cacheTableView(_ tableView: UITableView, didEndDisplaying cell: UITableViewCell, forRowAt indexPath: IndexPath) {
guard let diffableDataSource = viewModel.diffableDataSource else { return }
guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return }
let key = item.hashValue
let frame = cell.frame
viewModel.cellFrameCache.setObject(NSValue(cgRect: frame), forKey: NSNumber(value: key))
}
func handleTableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
guard let diffableDataSource = viewModel.diffableDataSource else { return UITableView.automaticDimension }
guard let item = diffableDataSource.itemIdentifier(for: indexPath) else { return UITableView.automaticDimension }
guard let frame = viewModel.cellFrameCache.object(forKey: NSNumber(value: item.hashValue))?.cgRectValue else {
if case .bottomLoader = item {
return TimelineLoaderTableViewCell.cellHeight
} else {
return UITableView.automaticDimension
}
}
return ceil(frame.height)
}
}
// MARK: - UITableViewDelegate