When routing the SplitNav responder chain through the root VC, go as deep into it as possible

Makes keyboard shortcuts from, e.g., TimelineVC accessible when the root is TimelinesPageVC

See #302

Tusker/Preferences/StatusSwipeAction.swift

@@ -99,9 +99,9 @@ private func createFavoriteAction(status: StatusMO, container: StatusSwipeAction
     }
     let title = status.favourited ? "Unfavorite" : "Favorite"
     let action = UIContextualAction(style: .normal, title: title) { [unowned container] _, _, completion in
+        completion(true)
         Task { @MainActor in
             await FavoriteService(status: status, mastodonController: container.mastodonController, presenter: container.navigationDelegate).toggleFavorite()
-            completion(true)
         }
     }
     action.image = UIImage(systemName: "star.fill")
@@ -116,9 +116,9 @@ private func createReblogAction(status: StatusMO, container: StatusSwipeActionCo
     }
     let title = status.reblogged ? "Unreblog" : "Reblog"
     let action = UIContextualAction(style: .normal, title: title) { [unowned container] _, _, completion in
+        completion(true)
         Task { @MainActor in
             await ReblogService(status: status, mastodonController: container.mastodonController, presenter: container.navigationDelegate).toggleReblog()
-            completion(true)
         }
     }
     action.image = UIImage(systemName: "repeat")
@@ -145,6 +145,7 @@ private func createBookmarkAction(status: StatusMO, container: StatusSwipeAction
     let bookmarked = status.bookmarked ?? false
     let title = bookmarked ? "Unbookmark" : "Bookmark"
     let action = UIContextualAction(style: .normal, title: title) { [unowned container] _, _, completion in
+        completion(true)
         Task { @MainActor in
             let request = (bookmarked ? Status.unbookmark : Status.bookmark)(status.id)
             do {
@@ -156,7 +157,6 @@ private func createBookmarkAction(status: StatusMO, container: StatusSwipeAction
                     toastable.showToast(configuration: config, animated: true)
                 }
             }
-            completion(true)
         }
     }
     action.image = UIImage(systemName: "bookmark.fill")

Tusker/Screens/Main/MainSidebarViewController.swift

@@ -89,6 +89,8 @@ class MainSidebarViewController: UIViewController {
         collectionView.delegate = self
         collectionView.dragDelegate = self
         collectionView.isSpringLoaded = true
+        // TODO: allow focusing sidebar once there's a workaround for keyboard shortcuts from main split content not being accessible when not in the responder chain
+        collectionView.allowsFocus = false
         view.addSubview(collectionView)
         
         dataSource = createDataSource()

Tusker/Screens/Timeline/TimelineViewController.swift

@@ -432,8 +432,9 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
         }
         
         // update the timeline position in case some statuses couldn't be loaded
-        if let center = position.centerStatusID {
-            let nearestLoadedStatusToCenter = position.statusIDs[position.statusIDs.firstIndex(of: center)!...].first(where: { id in
+        if let center = position.centerStatusID,
+           let centerIndex = position.statusIDs.firstIndex(of: center) {
+            let nearestLoadedStatusToCenter = position.statusIDs[centerIndex...].first(where: { id in
                 // was already loaded or was just now loaded
                 !unloaded.contains(id) || statuses.contains(where: { $0.id == id })
             })

Tusker/Screens/Utilities/SegmentedPageViewController.swift

@@ -198,3 +198,9 @@ extension SegmentedPageViewController: StatusBarTappableViewController {
         return .continue
     }
 }
+
+extension SegmentedPageViewController: NestedResponderProvider {
+    var innerResponder: UIResponder? {
+        currentViewController
+    }
+}

Tusker/Screens/Utilities/SplitNavigationController.swift

@@ -283,7 +283,11 @@ private class SplitSecondaryNavigationController: EnhancedNavigationViewControll
         // ordinarily, the next responder in the chain would be the SplitNavigationController's view
         // but that would bypass the VC in the root nav, so we reroute the repsonder chain to include it
         // first seems to be nil when using the view debugger for some reason, so in that case, defer to super
-        owner.viewControllers.first?.view ?? super.next
+        if let root = owner.viewControllers.first {
+            return root.innermostResponder() ?? super.next
+        } else {
+            return super.next
+        }
     }
     
     private func configureSecondarySplitCloseButton(for viewController: UIViewController) {
@@ -300,3 +304,17 @@ private class SplitSecondaryNavigationController: EnhancedNavigationViewControll
     }
     
 }
+
+protocol NestedResponderProvider {
+    var innerResponder: UIResponder? { get }
+}
+
+extension UIResponder {
+    func innermostResponder() -> UIResponder? {
+        if let nestedProvider = self as? NestedResponderProvider {
+            return nestedProvider.innerResponder?.innermostResponder() ?? self
+        } else {
+            return self
+        }
+    }
+}

Tusker/Views/Status/BaseStatusTableViewCell.swift

@@ -361,23 +361,31 @@ class BaseStatusTableViewCell: UITableViewCell {
         
         let buttonImage = UIImage(systemName: collapsed ? "chevron.down" : "chevron.up")!
         
-        if animated, let buttonImageView = collapseButton.imageView {
-            // we need to use a keyframe animation for this, because we want to control the direction the chevron rotates
-            // when rotating ±π, UIKit will always rotate in the same direction
-            // using a keyframe to set an intermediate point in the animation allows us to force a specific direction
-            UIView.animateKeyframes(withDuration: 0.2, delay: 0, options: .calculationModeLinear, animations: {
-                UIView.addKeyframe(withRelativeStartTime: 0, relativeDuration: 0.5) {
-                    buttonImageView.transform = CGAffineTransform(rotationAngle: collapsed ? .pi / 2 : -.pi / 2)
-                }
-                UIView.addKeyframe(withRelativeStartTime: 0.5, relativeDuration: 0.5) {
-                    buttonImageView.transform = CGAffineTransform(rotationAngle: .pi)
-                }
-            }, completion: { (finished) in
-                buttonImageView.transform = .identity
-                self.collapseButton.setImage(buttonImage, for: .normal)
-            })
-        } else {
+        if let buttonImageView = collapseButton.imageView {
             collapseButton.setImage(buttonImage, for: .normal)
+            
+            if animated {
+                buttonImageView.layer.opacity = 0
+                
+                // this whole hack is necessary because when just rotating buttonImageView, it moves to the left of the button and then animates back to the center
+                let imageView = UIImageView(image: buttonImageView.image)
+                imageView.translatesAutoresizingMaskIntoConstraints = false
+                contentView.addSubview(imageView)
+                NSLayoutConstraint.activate([
+                    imageView.widthAnchor.constraint(equalTo: buttonImageView.widthAnchor),
+                    imageView.heightAnchor.constraint(equalTo: buttonImageView.heightAnchor),
+                    imageView.centerXAnchor.constraint(equalTo: collapseButton.centerXAnchor),
+                    imageView.centerYAnchor.constraint(equalTo: collapseButton.centerYAnchor),
+                ])
+                imageView.tintColor = .white
+                
+                UIView.animate(withDuration: 0.3, delay: 0) {
+                    imageView.transform = CGAffineTransform(rotationAngle: .pi)
+                } completion: { _ in
+                    imageView.removeFromSuperview()
+                    buttonImageView.layer.opacity = 1
+                }
+            }
         }
         
         if collapsed {

Tusker/Views/Status/ConversationMainStatusTableViewCell.xib

@@ -81,10 +81,14 @@
                                 <constraints>
                                     <constraint firstAttribute="height" constant="30" id="icD-3q-uJ6"/>
                                 </constraints>
-                                <color key="tintColor" systemColor="systemBackgroundColor"/>
+                                <color key="tintColor" systemColor="tintColor"/>
                                 <state key="normal" image="chevron.down" catalog="system">
                                     <preferredSymbolConfiguration key="preferredSymbolConfiguration" scale="large"/>
                                 </state>
+                                <buttonConfiguration key="configuration" style="filled" image="chevron.down" catalog="system">
+                                    <preferredSymbolConfiguration key="preferredSymbolConfigurationForImage" scale="large"/>
+                                    <color key="baseForegroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                </buttonConfiguration>
                                 <connections>
                                     <action selector="collapseButtonPressed" destination="IDI-ur-8pa" eventType="touchUpInside" id="00b-nM-U5g"/>
                                 </connections>
@@ -98,9 +102,9 @@
                             </textView>
                             <view hidden="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="QqC-GR-TLC" customClass="StatusCardView" customModule="Tusker" customModuleProvider="target">
                                 <rect key="frame" x="0.0" y="131" width="361" height="0.0"/>
-                                <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                 <constraints>
-                                    <constraint firstAttribute="height" priority="999" constant="65" id="Tdo-Hv-ITE"/>
+                                    <constraint firstAttribute="height" priority="999" constant="90" id="Tdo-Hv-ITE"/>
                                 </constraints>
                             </view>
                             <view hidden="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="IF9-9U-Gk0" customClass="AttachmentsContainerView" customModule="Tusker" customModuleProvider="target">

Tusker/Views/Status/StatusCardView.swift

@@ -25,8 +25,10 @@ class StatusCardView: UIView {
     private var imageRequest: ImageCache.Request?
     private var isGrayscale = false
     
+    private var hStack: UIStackView!
     private var titleLabel: UILabel!
     private var descriptionLabel: UILabel!
+    private var domainLabel: UILabel!
     private var imageView: UIImageView!
     private var placeholderImageView: UIImageView!
     
@@ -41,11 +43,13 @@ class StatusCardView: UIView {
     }
     
     private func commonInit() {
-        self.clipsToBounds = true
-        self.layer.cornerRadius = 6.5
-        self.layer.borderWidth = 1
-        self.layer.borderColor = UIColor.lightGray.cgColor
-        self.backgroundColor = inactiveBackgroundColor
+//        self.clipsToBounds = true
+//        self.layer.borderWidth = 0.5
+//        self.layer.borderColor = UIColor.lightGray.cgColor
+        self.layer.shadowColor = UIColor.black.cgColor
+        self.layer.shadowRadius = 5
+        self.layer.shadowOpacity = 0.2
+        self.layer.shadowOffset = .zero
         
         self.addInteraction(UIContextMenuInteraction(delegate: self))
         
@@ -60,9 +64,16 @@ class StatusCardView: UIView {
         descriptionLabel.numberOfLines = 2
         descriptionLabel.setContentCompressionResistancePriority(.defaultLow, for: .vertical)
         
+        domainLabel = UILabel()
+        domainLabel.font = .preferredFont(forTextStyle: .caption2)
+        domainLabel.adjustsFontForContentSizeCategory = true
+        domainLabel.numberOfLines = 1
+        domainLabel.textColor = .tintColor
+        
         let vStack = UIStackView(arrangedSubviews: [
             titleLabel,
-            descriptionLabel
+            descriptionLabel,
+            domainLabel,
         ])
         vStack.axis = .vertical
         vStack.alignment = .leading
@@ -73,15 +84,23 @@ class StatusCardView: UIView {
         imageView.contentMode = .scaleAspectFill
         imageView.clipsToBounds = true
         
-        let hStack = UIStackView(arrangedSubviews: [
+        let spacer = UIView()
+        spacer.backgroundColor = .clear
+        
+        hStack = UIStackView(arrangedSubviews: [
             imageView,
-            vStack
+            vStack,
+            spacer,
         ])
         hStack.translatesAutoresizingMaskIntoConstraints = false
         hStack.axis = .horizontal
         hStack.alignment = .center
         hStack.distribution = .fill
         hStack.spacing = 4
+        hStack.clipsToBounds = true
+        hStack.layer.borderWidth = 0.5
+        hStack.layer.borderColor = UIColor.lightGray.cgColor
+        hStack.backgroundColor = inactiveBackgroundColor
         
         addSubview(hStack)
         
@@ -98,8 +117,10 @@ class StatusCardView: UIView {
             
             vStack.heightAnchor.constraint(equalTo: heightAnchor, constant: -8),
             
+            spacer.widthAnchor.constraint(equalToConstant: 4),
+            
             hStack.leadingAnchor.constraint(equalTo: leadingAnchor),
-            hStack.trailingAnchor.constraint(equalTo: trailingAnchor, constant: -4),
+            hStack.trailingAnchor.constraint(equalTo: trailingAnchor),
             hStack.topAnchor.constraint(equalTo: topAnchor),
             hStack.bottomAnchor.constraint(equalTo: bottomAnchor),
             
@@ -112,6 +133,11 @@ class StatusCardView: UIView {
         NotificationCenter.default.addObserver(self, selector: #selector(updateUIForPreferences), name: .preferencesChanged, object: nil)
     }
     
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        hStack.layer.cornerRadius = 0.1 * bounds.height
+    }
+    
     func updateUI(status: StatusMO) {
         guard status.id != statusID else {
             return
@@ -135,6 +161,13 @@ class StatusCardView: UIView {
         let description = card.description.trimmingCharacters(in: .whitespacesAndNewlines)
         descriptionLabel.text = description
         descriptionLabel.isHidden = description.isEmpty
+        
+        if let host = card.url.host {
+            domainLabel.text = host.serialized
+            domainLabel.isHidden = false
+        } else {
+            domainLabel.isHidden = true
+        }
     }
     
     @objc private func updateUIForPreferences() {
@@ -201,7 +234,7 @@ class StatusCardView: UIView {
     }
     
     override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
-        backgroundColor = activeBackgroundColor
+        hStack.backgroundColor = activeBackgroundColor
         setNeedsDisplay()
     }
     
@@ -209,7 +242,7 @@ class StatusCardView: UIView {
     }
     
     override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
-        backgroundColor = inactiveBackgroundColor
+        hStack.backgroundColor = inactiveBackgroundColor
         setNeedsDisplay()
         
         if let card = card, let delegate = navigationDelegate {
@@ -218,7 +251,7 @@ class StatusCardView: UIView {
     }
     
     override func touchesCancelled(_ touches: Set<UITouch>, with event: UIEvent?) {
-        backgroundColor = inactiveBackgroundColor
+        hStack.backgroundColor = inactiveBackgroundColor
         setNeedsDisplay()
     }
 
@@ -238,6 +271,12 @@ extension StatusCardView: UIContextMenuInteractionDelegate {
         }
     }
     
+    func contextMenuInteraction(_ interaction: UIContextMenuInteraction, previewForHighlightingMenuWithConfiguration configuration: UIContextMenuConfiguration) -> UITargetedPreview? {
+        let params = UIPreviewParameters()
+        params.visiblePath = UIBezierPath(roundedRect: hStack.bounds, cornerRadius: hStack.layer.cornerRadius)
+        return UITargetedPreview(view: hStack, parameters: params)
+    }
+    
     func contextMenuInteraction(_ interaction: UIContextMenuInteraction, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
         if let viewController = animator.previewViewController,
            let delegate = navigationDelegate {

Tusker/Views/Status/StatusContentContainer.swift

@@ -20,7 +20,7 @@ class StatusContentContainer: UIView {
     
     let cardView = StatusCardView().configure {
         NSLayoutConstraint.activate([
-            $0.heightAnchor.constraint(equalToConstant: 65),
+            $0.heightAnchor.constraint(equalToConstant: 90),
         ])
     }
     

Tusker/Views/Status/TimelineStatusTableViewCell.xib

@@ -109,10 +109,16 @@
                                                 <constraints>
                                                     <constraint firstAttribute="height" constant="30" id="z84-XW-gP3"/>
                                                 </constraints>
-                                                <color key="tintColor" systemColor="systemBackgroundColor"/>
+                                                <color key="tintColor" systemColor="tintColor"/>
+                                                <inset key="imageEdgeInsets" minX="0.0" minY="0.0" maxX="2.2250738585072014e-308" maxY="0.0"/>
                                                 <state key="normal" image="chevron.down" catalog="system">
+                                                    <color key="titleColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                                     <preferredSymbolConfiguration key="preferredSymbolConfiguration" scale="large"/>
                                                 </state>
+                                                <buttonConfiguration key="configuration" style="filled" image="chevron.down" catalog="system">
+                                                    <preferredSymbolConfiguration key="preferredSymbolConfigurationForImage" scale="large"/>
+                                                    <color key="baseForegroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
+                                                </buttonConfiguration>
                                                 <connections>
                                                     <action selector="collapseButtonPressed" destination="BR5-ZS-LIo" eventType="touchUpInside" id="twO-rE-1pQ"/>
                                                 </connections>
@@ -126,9 +132,9 @@
                                             </textView>
                                             <view hidden="YES" contentMode="scaleToFill" translatesAutoresizingMaskIntoConstraints="NO" id="LKo-VB-XWl" customClass="StatusCardView" customModule="Tusker" customModuleProvider="target">
                                                 <rect key="frame" x="0.0" y="200.5" width="295" height="0.0"/>
-                                                <color key="backgroundColor" systemColor="systemBackgroundColor"/>
+                                                <color key="backgroundColor" white="0.0" alpha="0.0" colorSpace="custom" customColorSpace="genericGamma22GrayColorSpace"/>
                                                 <constraints>
-                                                    <constraint firstAttribute="height" priority="999" constant="65" id="khY-jm-CPn"/>
+                                                    <constraint firstAttribute="height" priority="999" constant="90" id="khY-jm-CPn"/>
                                                 </constraints>
                                             </view>
                                             <view hidden="YES" contentMode="scaleToFill" verticalCompressionResistancePriority="1" translatesAutoresizingMaskIntoConstraints="NO" id="nbq-yr-2mA" customClass="AttachmentsContainerView" customModule="Tusker" customModuleProvider="target">