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Code Issues Actions Packages Projects Releases Wiki Activity

Make arrow key scrolling work like it does on the Mac timeline

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This commit is contained in:
Maurice Parker
2019-09-06 13:45:45 -05:00
parent c8b5b10edd
commit a6f6462afd
4 changed files with 26 additions and 41 deletions
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45
iOS/MasterTimeline/MasterTimelineViewController.swift
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@@ -162,7 +162,7 @@ class MasterTimelineViewController: UITableViewController, UndoableCommandRunner
if let indexPath = coordinator.currentArticleIndexPath {
if tableView.indexPathForSelectedRow != indexPath {
tableView.selectRow(at: indexPath, animated: animate, scrollPosition: .middle)
tableView.selectRowAndScrollIfNotVisible(at: indexPath, animated: true)
}
} else {
tableView.selectRow(at: nil, animated: animate, scrollPosition: .none)
@@ -307,10 +307,20 @@ class MasterTimelineViewController: UITableViewController, UndoableCommandRunner
}
@objc func statusesDidChange(_ note: Notification) {
guard let articles = note.userInfo?[Account.UserInfoKey.articles] as? Set<Article> else {
guard let updatedArticles = note.userInfo?[Account.UserInfoKey.articles] as? Set<Article> else {
return
}
reloadVisibleCells(for: articles)
let visibleArticles = tableView.indexPathsForVisibleRows!.map { return coordinator.articles[$0.row] }
let visibleUpdatedArticles = visibleArticles.filter { updatedArticles.contains($0) }
for article in visibleUpdatedArticles {
if let articleIndex = coordinator.indexForArticleID(article.articleID) {
if let cell = tableView.cellForRow(at: IndexPath(row: articleIndex, section: 0)) as? MasterTimelineTableViewCell {
configure(cell, article: article)
}
}
}
}
@objc func feedIconDidBecomeAvailable(_ note: Notification) {
@@ -381,33 +391,6 @@ class MasterTimelineViewController: UITableViewController, UndoableCommandRunner
reloadCells(visibleArticles)
}
private func reloadVisibleCells(for articles: [Article]) {
reloadVisibleCells(for: Set(articles.articleIDs()))
}
private func reloadVisibleCells(for articles: Set<Article>) {
reloadVisibleCells(for: articles.articleIDs())
}
private func reloadVisibleCells(for articleIDs: Set<String>) {
if articleIDs.isEmpty {
return
}
let indexes = coordinator.indexesForArticleIDs(articleIDs)
reloadVisibleCells(for: indexes)
}
private func reloadVisibleCells(for indexes: IndexSet) {
let reloadArticles: [Article] = tableView.indexPathsForVisibleRows!.compactMap { indexPath in
if indexes.contains(indexPath.row) {
return coordinator.articles[indexPath.row]
} else {
return nil
}
}
reloadCells(reloadArticles)
}
private func reloadCells(_ articles: [Article]) {
var snapshot = dataSource.snapshot()
snapshot.reloadItems(articles)
@@ -560,7 +543,7 @@ private extension MasterTimelineViewController {
}
if let articleID = coordinator.currentArticle?.articleID, let index = coordinator.indexForArticleID(articleID) {
let indexPath = IndexPath(row: index, section: 0)
tableView.selectRow(at: indexPath, animated: false, scrollPosition: .none)
tableView.selectRowAndScrollIfNotVisible(at: indexPath, animated: false)
}
}