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Timeline status collection view cell collapsing

This commit is contained in:
Shadowfacts 2022-10-04 00:02:41 -04:00
parent 81671d73c7
commit 7085ac01cb
5 changed files with 177 additions and 39 deletions
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8
Tusker.xcodeproj/project.pbxproj
View File

@ -217,6 +217,8 @@
D6ACE1AD240C3BAD004EA8E2 /* Embassy.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = D65F612D23AE990C00F3CFD3 /* Embassy.framework */; };
D6ADB6E828E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6E728E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift */; };
D6ADB6EA28E91C30009924AB /* TimelineStatusCollectionViewCell.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6E928E91C30009924AB /* TimelineStatusCollectionViewCell.swift */; };
D6ADB6EC28EA73CB009924AB /* StatusContentContainer.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6EB28EA73CB009924AB /* StatusContentContainer.swift */; };
D6ADB6EE28EA74E8009924AB /* UIView+Configure.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6ADB6ED28EA74E8009924AB /* UIView+Configure.swift */; };
D6AEBB3E2321638100E5038B /* UIActivity+Types.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB3D2321638100E5038B /* UIActivity+Types.swift */; };
D6AEBB412321642700E5038B /* SendMesasgeActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB402321642700E5038B /* SendMesasgeActivity.swift */; };
D6AEBB432321685E00E5038B /* OpenInSafariActivity.swift in Sources */ = {isa = PBXBuildFile; fileRef = D6AEBB422321685E00E5038B /* OpenInSafariActivity.swift */; };
@ -564,6 +566,8 @@
D6AC956623C4347E008C9946 /* MainSceneDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = MainSceneDelegate.swift; sourceTree = "<group>"; };
D6ADB6E728E8C878009924AB /* PublicTimelineDescriptionCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = PublicTimelineDescriptionCollectionViewCell.swift; sourceTree = "<group>"; };
D6ADB6E928E91C30009924AB /* TimelineStatusCollectionViewCell.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineStatusCollectionViewCell.swift; sourceTree = "<group>"; };
D6ADB6EB28EA73CB009924AB /* StatusContentContainer.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = StatusContentContainer.swift; sourceTree = "<group>"; };
D6ADB6ED28EA74E8009924AB /* UIView+Configure.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIView+Configure.swift"; sourceTree = "<group>"; };
D6AEBB3D2321638100E5038B /* UIActivity+Types.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIActivity+Types.swift"; sourceTree = "<group>"; };
D6AEBB402321642700E5038B /* SendMesasgeActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = SendMesasgeActivity.swift; sourceTree = "<group>"; };
D6AEBB422321685E00E5038B /* OpenInSafariActivity.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = OpenInSafariActivity.swift; sourceTree = "<group>"; };
@ -1025,6 +1029,7 @@
D6EE63FA2551F7F60065485C /* StatusCollapseButton.swift */,
D62E9986279D094F00C26176 /* StatusMetaIndicatorsView.swift */,
D6ADB6E928E91C30009924AB /* TimelineStatusCollectionViewCell.swift */,
D6ADB6EB28EA73CB009924AB /* StatusContentContainer.swift */,
);
path = Status;
sourceTree = "<group>";
@ -1126,6 +1131,7 @@
D6620ACD2511A0ED00312CA0 /* StatusStateResolver.swift */,
D69693F32585941A00F4E116 /* UIWindowSceneDelegate+Close.swift */,
D62E9984279CA23900C26176 /* URLSession+Development.swift */,
D6ADB6ED28EA74E8009924AB /* UIView+Configure.swift */,
);
path = Extensions;
sourceTree = "<group>";
@ -1745,6 +1751,7 @@
D68E525D24A3E8F00054355A /* SearchViewController.swift in Sources */,
D6AEBB412321642700E5038B /* SendMesasgeActivity.swift in Sources */,
D6BC9DB1232C61BC002CA326 /* NotificationsPageViewController.swift in Sources */,
D6ADB6EC28EA73CB009924AB /* StatusContentContainer.swift in Sources */,
D6969E9E240C81B9002843CE /* NSTextAttachment+Emoji.swift in Sources */,
D6BC9DB3232D4C07002CA326 /* WellnessPrefsView.swift in Sources */,
D64BC18F23C18B9D000D0238 /* FollowRequestNotificationTableViewCell.swift in Sources */,
@ -1830,6 +1837,7 @@
D6B17255254F88B800128392 /* OppositeCollapseKeywordsView.swift in Sources */,
D6A00B1D26379FC900316AD4 /* PollOptionsView.swift in Sources */,
D6DF95C12533F5DE0027A9B6 /* RelationshipMO.swift in Sources */,
D6ADB6EE28EA74E8009924AB /* UIView+Configure.swift in Sources */,
D623A5412635FB3C0095BD04 /* PollOptionView.swift in Sources */,
D65C6BF525478A9C00A6E89C /* BackgroundableViewController.swift in Sources */,
D6AEBB4A23216F0400E5038B /* UnfollowAccountActivity.swift in Sources */,

22
Tusker/Extensions/UIView+Configure.swift Normal file
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@ -0,0 +1,22 @@
//
// UIView+Configure.swift
// Tusker
//
// Created by Shadowfacts on 10/2/22.
// Copyright © 2022 Shadowfacts. All rights reserved.
//
import UIKit
protocol Configurable {
associatedtype T = Self
func configure(_ closure: (T) -> Void) -> T
}
extension Configurable where Self: UIView {
func configure(_ closure: (Self) -> Void) -> Self {
closure(self)
return self
}
}
extension UIView: Configurable {
}

13
Tusker/Screens/Timeline/TimelineViewController.swift
View File

@ -106,7 +106,9 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
let status = mastodonController.persistentContainer.status(for: id) else {
fatalError()
}
// TODO: update cell
cell.mastodonController = mastodonController
cell.delegate = self
cell.updateUI(statusID: id, state: state)
}
let timelineDescriptionCell = UICollectionView.CellRegistration<PublicTimelineDescriptionCollectionViewCell, Item> { [unowned self] cell, indexPath, item in
guard case .public(let local) = timeline else {
@ -328,3 +330,12 @@ extension TimelineViewController: UICollectionViewDelegate {
}
}
}
extension TimelineViewController: TimelineStatusCollectionViewCellDelegate {
func statusCellCollapsedStateChanged(_ cell: TimelineStatusCollectionViewCell) {
let indexPath = collectionView.indexPath(for: cell)!
var snapshot = dataSource.snapshot()
snapshot.reconfigureItems([dataSource.itemIdentifier(for: indexPath)!])
dataSource.apply(snapshot, animatingDifferences: true)
}
}

78
Tusker/Views/Status/StatusContentContainer.swift Normal file
View File

@ -0,0 +1,78 @@
//
// StatusContentContainer.swift
// Tusker
//
// Created by Shadowfacts on 10/2/22.
// Copyright © 2022 Shadowfacts. All rights reserved.
//
import UIKit
class StatusContentContainer: UIView {
let contentTextView = StatusContentTextView().configure {
$0.defaultFont = .systemFont(ofSize: 16)
$0.isScrollEnabled = false
$0.backgroundColor = nil
}
let cardView = StatusCardView().configure {
NSLayoutConstraint.activate([
$0.heightAnchor.constraint(equalToConstant: 65),
])
}
let attachmentsView = AttachmentsContainerView().configure {
NSLayoutConstraint.activate([
$0.heightAnchor.constraint(equalTo: $0.widthAnchor, multiplier: 9/16),
])
}
let pollView = StatusPollView()
private var lastSubviewBottomConstraint: NSLayoutConstraint!
private var zeroHeightConstraint: NSLayoutConstraint!
override init(frame: CGRect) {
super.init(frame: frame)
let subviews = [contentTextView, cardView, attachmentsView, pollView]
for (index, subview) in subviews.enumerated() {
subview.translatesAutoresizingMaskIntoConstraints = false
addSubview(subview)
let topConstraint: NSLayoutConstraint
if index == 0 {
topConstraint = subview.topAnchor.constraint(equalTo: topAnchor)
} else {
topConstraint = subview.topAnchor.constraint(equalTo: subviews[index - 1].bottomAnchor, constant: 4)
}
NSLayoutConstraint.activate([
topConstraint,
subview.leadingAnchor.constraint(equalTo: leadingAnchor),
subview.trailingAnchor.constraint(equalTo: trailingAnchor),
])
}
// these constraints need to have low priority so that during the collapse/expand animation, the content container is the view that shrinks/expands
lastSubviewBottomConstraint = subviews.last!.bottomAnchor.constraint(equalTo: bottomAnchor)
lastSubviewBottomConstraint.isActive = true
lastSubviewBottomConstraint.priority = .defaultLow
zeroHeightConstraint = heightAnchor.constraint(equalToConstant: 0)
zeroHeightConstraint.priority = .defaultLow
// mask to bounds so that the during the expand/collapse animation, subviews are clipped
layer.masksToBounds = true
}
required init?(coder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
func setCollapsed(_ collapsed: Bool) {
lastSubviewBottomConstraint.isActive = !collapsed
zeroHeightConstraint.isActive = collapsed
}
}

95
Tusker/Views/Status/TimelineStatusCollectionViewCell.swift
View File

@ -7,6 +7,12 @@
//
import UIKit
import Pachyderm
@MainActor
protocol TimelineStatusCollectionViewCellDelegate: AnyObject {
func statusCellCollapsedStateChanged(_ cell: TimelineStatusCollectionViewCell)
}
class TimelineStatusCollectionViewCell: UICollectionViewListCell {
@ -22,6 +28,8 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell {
private let reblogLabel = UILabel().configure {
$0.textColor = .secondaryLabel
// this needs to have a higher priorty than the content container's zero height constraint
$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
// TODO: tap gesture
// $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reblogLabelPressed)))
}
@ -74,10 +82,7 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell {
nameHStack,
contentWarningLabel,
collapseButton,
contentTextView,
cardView,
attachmentsView,
pollView,
contentContainer,
]).configure {
$0.axis = .vertical
$0.spacing = 4
@ -131,45 +136,43 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell {
]), size: 0)
}
private let contentWarningLabel = UILabel().configure {
private lazy var contentWarningLabel = UILabel().configure {
$0.textColor = .secondaryLabel
$0.font = UIFont(descriptor: .preferredFontDescriptor(withTextStyle: .body).addingAttributes([
.traits: [
UIFontDescriptor.TraitKey.weight: UIFont.Weight.bold.rawValue,
]
]), size: 0)
// TODO: tap gesture
// $0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(collapseButtonPressed)))
// this needs to have a higher priorty than the content container's zero height constraint
$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
$0.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(collapseButtonPressed)))
}
private let collapseButton = UIButton(configuration: {
private lazy var collapseButton = UIButton(configuration: {
var config = UIButton.Configuration.filled()
config.image = UIImage(systemName: "chevron.down")
return config
}(), primaryAction: nil).configure {
_ = $0
}()).configure {
$0.setContentHuggingPriority(.defaultHigh, for: .vertical)
$0.addTarget(self, action: #selector(collapseButtonPressed), for: .touchUpInside)
// TODO: masksToBounds and cornerRadius?
}
private let contentTextView = StatusContentTextView().configure {
$0.defaultFont = .systemFont(ofSize: 16)
$0.isScrollEnabled = false
$0.backgroundColor = nil
private let contentContainer = StatusContentContainer().configure {
$0.setContentHuggingPriority(.defaultLow, for: .vertical)
}
private let cardView = StatusCardView().configure {
NSLayoutConstraint.activate([
$0.heightAnchor.constraint(equalToConstant: 65),
])
private var contentTextView: StatusContentTextView {
contentContainer.contentTextView
}
private let attachmentsView = AttachmentsContainerView().configure {
NSLayoutConstraint.activate([
$0.heightAnchor.constraint(equalTo: $0.widthAnchor, multiplier: 9/16),
])
private var cardView: StatusCardView {
contentContainer.cardView
}
private var attachmentsView: AttachmentsContainerView {
contentContainer.attachmentsView
}
private var pollView: StatusPollView {
contentContainer.pollView
}
private let pollView = StatusPollView()
private var placeholderReplyButtonLeadingConstraint: NSLayoutConstraint!
private lazy var actionsContainer = UIView().configure {
@ -224,6 +227,12 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell {
$0.showsMenuAsPrimaryAction = true
}
weak var mastodonController: MastodonController!
weak var delegate: TimelineStatusCollectionViewCellDelegate?
private(set) var statusID: String?
private(set) var statusState = StatusState.unknown
private var firstLayout = true
override init(frame: CGRect) {
@ -273,17 +282,27 @@ class TimelineStatusCollectionViewCell: UICollectionViewListCell {
}
}
}
fileprivate protocol Configurable {
associatedtype T = Self
func configure(_ closure: (T) -> Void) -> T
}
extension Configurable where Self: UIView {
func configure(_ closure: (Self) -> Void) -> Self {
closure(self)
return self
func updateUI(statusID: String, state: StatusState) {
guard let status = mastodonController.persistentContainer.status(for: statusID) else {
fatalError()
}
self.statusID = statusID
self.statusState = state
// TODO: remove this hack
state.collapsible = true
state.collapsed = state.collapsed ?? false
// state.resolveFor(status: status, text: "")
print("updateUI setting collapsed to: \(state.collapsed!)")
contentContainer.setCollapsed(state.collapsed!)
collapseButton.imageView!.transform = CGAffineTransform(rotationAngle: state.collapsed! ? .pi : 0)
}
}
extension UIView: Configurable {
// MARK: Interaction
@objc func collapseButtonPressed() {
statusState.collapsed!.toggle()
// this delegate call causes the collection view to reconfigure this cell, at which point (and inside of the collection view's animation handling) we'll update the contentContainer
delegate?.statusCellCollapsedStateChanged(self)
}
}