dandri/simplex-chat
1
0
Fork 0
mirror of https://github.com/simplex-chat/simplex-chat.git synced 2026-09-16 10:33:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

performance - in background

Browse Source
This commit is contained in:
Avently
2025-01-17 14:23:03 -08:00
parent 391bfec786
commit 90c79aa013
1 changed files with 30 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files
apps/ios/Shared/Views/Chat/ReverseList.swift
+30 -14
View File
@@ -63,11 +63,31 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
// so it's better to just wait until dragging ends
if !mergedItems.splits.isEmpty && controller.tableView.isDragging/* && !controller.tableView.isDecelerating*/ {
controller.runBlockOnEndDecelerating = {
controller.update(mergedItems.items, mergedItems.snapshot)
Task {
let prevSnapshot = controller.dataSource.snapshot()
if mergedItems.items == prevSnapshot.itemIdentifiers {
logger.debug("LALAL SAME ITEMS, not rebuilding the tableview")
// update counters because they are static, unbound to specific chat and will become outdated if a new empty chat was open after non-empty one with unread messages
controller.updateFloatingButtons.send()
return
}
await MainActor.run {
controller.update(mergedItems.items, mergedItems.snapshot, prevSnapshot)
}
}
}
} else {
controller.runBlockOnEndDecelerating = nil
controller.update(mergedItems.items, mergedItems.snapshot)
Task {
let prevSnapshot = controller.dataSource.snapshot()
if mergedItems.items == prevSnapshot.itemIdentifiers {
logger.debug("LALAL SAME ITEMS, not rebuilding the tableview")
// update counters because they are static, unbound to specific chat and will become outdated if a new empty chat was open after non-empty one with unread messages
controller.updateFloatingButtons.send()
return
}
controller.update(mergedItems.items, mergedItems.snapshot, prevSnapshot)
}
}
}
}
@@ -75,8 +95,8 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
/// Controller, which hosts SwiftUI cells
public class Controller: UITableViewController {
var representer: ReverseList
private var dataSource: UITableViewDiffableDataSource<ReverseListSection, MergedItem>!
private let updateFloatingButtons = PassthroughSubject<Void, Never>()
var dataSource: UITableViewDiffableDataSource<ReverseListSection, MergedItem>!
let updateFloatingButtons = PassthroughSubject<Void, Never>()
private var bag = Set<AnyCancellable>()
var runBlockOnEndDecelerating: (() -> Void)? = nil
@@ -256,22 +276,18 @@ struct ReverseList<Content: View>: UIViewControllerRepresentable {
}
}
func update(_ items: [MergedItem], _ snapshot: NSDiffableDataSourceSnapshot<ReverseListSection, MergedItem>) {
logger.debug("LALAL STEP 0 \(items.count)")
let prevSnapshot = dataSource.snapshot()
logger.debug("LALAL STEP 1")
func update(
_ items: [MergedItem],
_ snapshot: NSDiffableDataSourceSnapshot<ReverseListSection, MergedItem>,
_ prevSnapshot: NSDiffableDataSourceSnapshot<ReverseListSection, MergedItem>
) {
logger.debug("LALAL STEP 1 \(items.count)")
let wasCount = prevSnapshot.numberOfItems
let willBeCount = items.count
let c = 1
let insertedSeveralNewestItems = wasCount != 0 && willBeCount - wasCount == c && prevSnapshot.itemIdentifiers.first!.hashValue == items[c].hashValue
logger.debug("LALAL STEP 2")
logger.debug("LALAL WAS \(wasCount) will be \(items.count)")
if items == prevSnapshot.itemIdentifiers {
logger.debug("LALAL SAME ITEMS, not rebuilding the tableview")
// update counters because they are static, unbound to specific chat and will become outdated if a new empty chat was open after non-empty one with unread messages
updateFloatingButtons.send()
return
}
// var snapshot = NSDiffableDataSourceSnapshot<ReverseListSection, MergedItem>()
// snapshot.appendSections([.main])
// snapshot.appendItems(items)