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Support filtering on Notifications screen

This commit is contained in:
Shadowfacts 2023-05-14 19:10:56 -04:00
parent b909a633a6
commit dc83172aea
2 changed files with 101 additions and 28 deletions
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117
Tusker/Screens/Notifications/NotificationsCollectionViewController.swift
View File

@ -14,6 +14,7 @@ import Sentry
class NotificationsCollectionViewController: UIViewController, TimelineLikeCollectionViewController, CollectionViewController {
weak var mastodonController: MastodonController!
private let filterer: Filterer
private let allowedTypes: [Pachyderm.Notification.Kind]
private let groupTypes = [Pachyderm.Notification.Kind.favourite, .reblog, .follow]
@ -31,6 +32,11 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
self.allowedTypes = allowedTypes
self.mastodonController = mastodonController
self.filterer = Filterer(mastodonController: mastodonController, context: .notifications)
self.filterer.htmlConverter.font = TimelineStatusCollectionViewCell.contentFont
self.filterer.htmlConverter.monospaceFont = TimelineStatusCollectionViewCell.monospaceFont
self.filterer.htmlConverter.paragraphStyle = TimelineStatusCollectionViewCell.contentParagraphStyle
super.init(nibName: nil, bundle: nil)
self.controller = TimelineLikeController(delegate: self, ownerType: String(describing: self))
@ -73,6 +79,10 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
if item.hidesSeparators {
config.topSeparatorVisibility = .hidden
config.bottomSeparatorVisibility = .hidden
} else if case .group(_, _, .some(let filterState)) = item,
self.filterer.isKnownHide(state: filterState) {
config.topSeparatorVisibility = .hidden
config.bottomSeparatorVisibility = .hidden
} else {
config.topSeparatorInsets = TimelineStatusCollectionViewCell.separatorInsets
config.bottomSeparatorInsets = TimelineStatusCollectionViewCell.separatorInsets
@ -106,14 +116,18 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
collectionView.refreshControl = UIRefreshControl()
collectionView.refreshControl!.addTarget(self, action: #selector(refresh), for: .valueChanged)
#endif
filterer.filtersChanged = { [unowned self] actionsChanged in
self.reapplyFilters(actionsChanged: actionsChanged)
}
}
private func createDataSource() -> UICollectionViewDiffableDataSource<Section, Item> {
let statusCell = UICollectionView.CellRegistration<TimelineStatusCollectionViewCell, (NotificationGroup, CollapseState)> { [unowned self] cell, indexPath, itemIdentifier in
let statusCell = UICollectionView.CellRegistration<TimelineStatusCollectionViewCell, (NotificationGroup, CollapseState, Filterer.Result, NSAttributedString?)> { [unowned self] cell, indexPath, itemIdentifier in
cell.delegate = self
let statusID = itemIdentifier.0.notifications.first!.status!.id
let statusState = itemIdentifier.1
cell.updateUI(statusID: statusID, state: statusState, filterResult: .allow, precomputedContent: nil)
cell.updateUI(statusID: statusID, state: statusState, filterResult: itemIdentifier.2, precomputedContent: itemIdentifier.3)
}
let actionGroupCell = UICollectionView.CellRegistration<ActionNotificationGroupCollectionViewCell, NotificationGroup> { [unowned self] cell, indexPath, itemIdentifier in
cell.delegate = self
@ -140,12 +154,23 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
config.text = "Unknown Notification"
cell.contentConfiguration = config
}
let zeroHeightCell = UICollectionView.CellRegistration<ZeroHeightCollectionViewCell, Void> { _, _, _ in
}
return UICollectionViewDiffableDataSource(collectionView: collectionView) { [unowned self] collectionView, indexPath, itemIdentifier in
switch itemIdentifier {
case .group(let group, let collapseState):
case .group(let group, let collapseState, let filterState):
switch group.kind {
case .status, .mention:
return collectionView.dequeueConfiguredReusableCell(using: statusCell, for: indexPath, item: (group, collapseState!))
let (result, precomputedContent) = self.filterer.resolve(state: filterState!) {
let id = group.notifications.first!.status!.id
return (self.mastodonController.persistentContainer.status(for: id)!, false)
}
switch result {
case .allow, .warn(_):
return collectionView.dequeueConfiguredReusableCell(using: statusCell, for: indexPath, item: (group, collapseState!, result, precomputedContent))
case .hide:
return collectionView.dequeueConfiguredReusableCell(using: zeroHeightCell, for: indexPath, item: ())
}
case .favourite, .reblog:
return collectionView.dequeueConfiguredReusableCell(using: actionGroupCell, for: indexPath, item: group)
case .follow:
@ -192,8 +217,44 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
}
}
private func filterResult(state: FilterState, statusID: String) -> (Filterer.Result, NSAttributedString?) {
let status = {
let status = self.mastodonController.persistentContainer.status(for: statusID)!
// if the status is a reblog of another one, filter based on that one
if let reblogged = status.reblog {
return (reblogged, true)
} else {
return (status, false)
}
}
return filterer.resolve(state: state, status: status)
}
private func reapplyFilters(actionsChanged: Bool) {
let visible = collectionView.indexPathsForVisibleItems
let items = visible
.compactMap { dataSource.itemIdentifier(for: $0) }
.filter {
if case .group(_, _, .some(_)) = $0 {
return true
} else {
return false
}
}
guard !items.isEmpty else {
return
}
var snapshot = dataSource.snapshot()
if actionsChanged {
snapshot.reloadItems(items)
} else {
snapshot.reconfigureItems(items)
}
dataSource.apply(snapshot)
}
private func dismissNotificationsInGroup(at indexPath: IndexPath) async {
guard case .group(let group, let collapseState) = dataSource.itemIdentifier(for: indexPath) else {
guard case .group(let group, let collapseState, let filterState) = dataSource.itemIdentifier(for: indexPath) else {
return
}
let notifications = group.notifications
@ -216,11 +277,11 @@ class NotificationsCollectionViewController: UIViewController, TimelineLikeColle
}
var snapshot = dataSource.snapshot()
if dismissFailedIndices.isEmpty {
snapshot.deleteItems([.group(group, collapseState)])
snapshot.deleteItems([.group(group, collapseState, filterState)])
} else if !dismissFailedIndices.isEmpty && dismissFailedIndices.count == notifications.count {
let dismissFailed = dismissFailedIndices.sorted().map { notifications[$0] }
snapshot.insertItems([.group(NotificationGroup(notifications: dismissFailed)!, collapseState)], afterItem: .group(group, collapseState))
snapshot.deleteItems([.group(group, collapseState)])
snapshot.insertItems([.group(NotificationGroup(notifications: dismissFailed)!, collapseState, filterState)], afterItem: .group(group, collapseState, filterState))
snapshot.deleteItems([.group(group, collapseState, filterState)])
}
await apply(snapshot, animatingDifferences: true)
}
@ -235,22 +296,22 @@ extension NotificationsCollectionViewController {
static var entries: Self { .notifications }
}
enum Item: TimelineLikeCollectionViewItem {
case group(NotificationGroup, CollapseState?)
case group(NotificationGroup, CollapseState?, FilterState?)
case loadingIndicator
case confirmLoadMore
static func fromTimelineItem(_ item: NotificationGroup) -> Self {
switch item.kind {
case .mention, .status:
return .group(item, .unknown)
return .group(item, .unknown, .unknown)
default:
return .group(item, nil)
return .group(item, nil, nil)
}
}
static func ==(lhs: Item, rhs: Item) -> Bool {
switch (lhs, rhs) {
case (.group(let a, _), .group(let b, _)):
case (.group(let a, _, _), .group(let b, _, _)):
return a == b
case (.loadingIndicator, .loadingIndicator):
return true
@ -263,7 +324,7 @@ extension NotificationsCollectionViewController {
func hash(into hasher: inout Hasher) {
switch self {
case .group(let group, _):
case .group(let group, _, _):
hasher.combine(0)
hasher.combine(group)
case .loadingIndicator:
@ -274,7 +335,7 @@ extension NotificationsCollectionViewController {
}
var group: NotificationGroup? {
if case .group(let group, _) = self {
if case .group(let group, _, _) = self {
return group
} else {
return nil
@ -283,7 +344,7 @@ extension NotificationsCollectionViewController {
var isSelectable: Bool {
switch self {
case .group(_, _):
case .group(_, _, _):
return true
default:
return false
@ -399,7 +460,7 @@ extension NotificationsCollectionViewController {
$0.id == topID
}
}!
if let newTopIndexPath = dataSource.indexPath(for: .group(newTopGroup, nil)) {
if let newTopIndexPath = dataSource.indexPath(for: .group(newTopGroup, nil, nil)) {
collectionView.scrollToItem(at: newTopIndexPath, at: .top, animated: false)
}
}
@ -459,14 +520,24 @@ extension NotificationsCollectionViewController: UICollectionViewDelegate {
}
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
guard case .group(let group, let collapseState) = dataSource.itemIdentifier(for: indexPath) else {
guard let item = dataSource.itemIdentifier(for: indexPath),
case .group(let group, let collapseState, let filterState) = item else {
return
}
switch group.kind {
case .mention, .status, .poll, .update:
if let filterState,
filterState.isWarning == true {
filterer.setResult(.allow, for: filterState)
collectionView.deselectItem(at: indexPath, animated: true)
var snapshot = dataSource.snapshot()
snapshot.reconfigureItems([item])
dataSource.apply(snapshot, animatingDifferences: true)
} else {
let statusID = group.notifications.first!.status!.id
let state = collapseState?.copy() ?? .unknown
selected(status: statusID, state: state)
}
case .favourite, .reblog:
let type = group.kind == .favourite ? StatusActionAccountListViewController.ActionType.favorite : .reblog
let statusID = group.notifications.first!.status!.id
@ -493,7 +564,7 @@ extension NotificationsCollectionViewController: UICollectionViewDelegate {
}
func collectionView(_ collectionView: UICollectionView, contextMenuConfigurationForItemAt indexPath: IndexPath, point: CGPoint) -> UIContextMenuConfiguration? {
guard case .group(let group, let collapseState) = dataSource.itemIdentifier(for: indexPath),
guard case .group(let group, let collapseState, _) = dataSource.itemIdentifier(for: indexPath),
let cell = collectionView.cellForItem(at: indexPath) else {
return nil
}
@ -566,7 +637,7 @@ extension NotificationsCollectionViewController: UICollectionViewDelegate {
extension NotificationsCollectionViewController: UICollectionViewDragDelegate {
func collectionView(_ collectionView: UICollectionView, itemsForBeginning session: UIDragSession, at indexPath: IndexPath) -> [UIDragItem] {
guard case .group(let group, _) = dataSource.itemIdentifier(for: indexPath) else {
guard case .group(let group, _, _) = dataSource.itemIdentifier(for: indexPath) else {
return []
}
switch group.kind {
@ -616,5 +687,13 @@ extension NotificationsCollectionViewController: StatusCollectionViewCellDelegat
}
func statusCellShowFiltered(_ cell: StatusCollectionViewCell) {
if let indexPath = collectionView.indexPath(for: cell),
let item = dataSource.itemIdentifier(for: indexPath),
case .group(_, _, .some(let filterState)) = item {
filterer.setResult(.allow, for: filterState)
var snapshot = dataSource.snapshot()
snapshot.reconfigureItems([item])
dataSource.apply(snapshot, animatingDifferences: true)
}
}
}

6
Tusker/Views/Status/StatusCollectionViewCell.swift
View File

@ -119,12 +119,6 @@ extension StatusCollectionViewCell {
favoriteButton.isEnabled = mastodonController.loggedIn
let didResolve = statusState.resolveFor(status: status, height: self.estimateContentHeight)
// let didResolve = statusState.resolveFor(status: status) {
//// // layout so that we can take the content height into consideration when deciding whether to collapse
//// layoutIfNeeded()
//// return contentContainer.visibleSubviewHeight
// return contentContainer.estimateVisibleSubviewHeight(effectiveWidth: )
// }
if didResolve {
if statusState.collapsible! && showStatusAutomatically {
statusState.collapsed = false