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Tusker
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Fix crash while cancelling prefetching of rows

This commit is contained in:
Shadowfacts 2020-12-31 23:20:53 -05:00
parent 3fdeb51353
commit f0e2bb8db6
1 changed files with 3 additions and 3 deletions
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6
Tusker/Screens/Utilities/TimelineLikeTableViewController.swift
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@ -134,11 +134,11 @@ class TimelineLikeTableViewController<Item>: EnhancedTableViewController, Refres
} }
willRemoveRows(at: indexPathsToRemove) willRemoveRows(at: indexPathsToRemove)
sections.removeSubrange(sectionsToRemove)
UIView.performWithoutAnimation { UIView.performWithoutAnimation {
tableView.deleteSections(IndexSet(sectionsToRemove), with: .none) tableView.deleteSections(IndexSet(sectionsToRemove), with: .none)
} }
sections.removeSubrange(sectionsToRemove)
} else if lastVisibleRow.section == lastSectionIndex { } else if lastVisibleRow.section == lastSectionIndex {
let lastSection = sections.last! let lastSection = sections.last!
let lastRowIndex = lastSection.count - 1 let lastRowIndex = lastSection.count - 1
@ -146,7 +146,7 @@ class TimelineLikeTableViewController<Item>: EnhancedTableViewController, Refres
if lastVisibleRow.row < lastRowIndex - pageSize { if lastVisibleRow.row < lastRowIndex - pageSize {
// if there are more than pageSize rows in the current section below the last visible one // if there are more than pageSize rows in the current section below the last visible one
let rowIndicesInLastSectionToRemove = (lastVisibleRow.row + 20)..<lastSection.count let rowIndicesInLastSectionToRemove = (lastVisibleRow.row + pageSize)..<lastSection.count
let indexPathsToRemove = rowIndicesInLastSectionToRemove.map { let indexPathsToRemove = rowIndicesInLastSectionToRemove.map {
IndexPath(row: $0, section: lastSectionIndex) IndexPath(row: $0, section: lastSectionIndex)