NativeMessageCell рефакторинг на UIView + wrapper для UICollectionView совместимости

Rosetta/Features/Chats/ChatDetail/ListView/ChatMessageListItem.swift

@@ -12,6 +12,7 @@ final class ChatMessageListItem: RosettaListItem {
     let message: ChatMessage
     let layout: MessageCellLayout
     let textLayout: CoreTextTextLayout?
+    let timestampText: String
     let actions: MessageCellActions
     let replyName: String?
     let replyText: String?
@@ -29,6 +30,7 @@ final class ChatMessageListItem: RosettaListItem {
         message: ChatMessage,
         layout: MessageCellLayout,
         textLayout: CoreTextTextLayout?,
+        timestampText: String,
         actions: MessageCellActions,
         replyName: String? = nil,
         replyText: String? = nil,
@@ -39,6 +41,7 @@ final class ChatMessageListItem: RosettaListItem {
         self.message = message
         self.layout = layout
         self.textLayout = textLayout
+        self.timestampText = timestampText
         self.actions = actions
         self.replyName = replyName
         self.replyText = replyText
@@ -86,7 +89,7 @@ final class ChatMessageListItem: RosettaListItem {
         node.cell.apply(layout: layout)
         node.cell.configure(
             message: message,
-            timestamp: layout.timestampText,
+            timestamp: timestampText,
             textLayout: textLayout,
             actions: actions,
             replyName: replyName,

Rosetta/Features/Chats/ChatDetail/NativeMessageCell.swift

@@ -10,7 +10,12 @@ import SwiftUI
 ///   3. No SwiftUI, no UIHostingConfiguration, no self-sizing
 ///
 /// Subviews are always present but hidden when not needed (no alloc/dealloc overhead).
-final class NativeMessageCell: UICollectionViewCell {
+/// Base class: UIView (not UICollectionViewCell) — works in both RosettaListView and UICollectionView wrapper.
+final class NativeMessageCell: UIView {
+
+    /// Content container. UICollectionViewCell provides this automatically;
+    /// as a plain UIView we create our own for API compatibility.
+    let contentView = UIView()
 
     // MARK: - Constants
 
@@ -299,6 +304,9 @@ final class NativeMessageCell: UICollectionViewCell {
 
     override init(frame: CGRect) {
         super.init(frame: frame)
+        contentView.frame = bounds
+        contentView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        addSubview(contentView)
         setupViews()
     }
 
@@ -2144,13 +2152,9 @@ final class NativeMessageCell: UICollectionViewCell {
 
     // MARK: - Self-sizing (from pre-calculated layout)
 
-    override func preferredLayoutAttributesFitting(
+    /// Effective height for external layout systems.
-        _ layoutAttributes: UICollectionViewLayoutAttributes
+    var preferredHeight: CGFloat {
-    ) -> UICollectionViewLayoutAttributes {
+        currentLayout?.totalHeight ?? 50
-        // Always return concrete height — never fall to super (expensive self-sizing)
-        let attrs = layoutAttributes.copy() as! UICollectionViewLayoutAttributes
-        attrs.size.height = currentLayout?.totalHeight ?? 50
-        return attrs
     }
 
     // MARK: - Link Tap
@@ -3840,8 +3844,7 @@ final class NativeMessageCell: UICollectionViewCell {
 
     // MARK: - Reuse
 
-    override func prepareForReuse() {
+    func prepareForReuse() {
-        super.prepareForReuse()
         uploadOverlayShowTime = 0
         if let observer = uploadProgressObserver {
             NotificationCenter.default.removeObserver(observer)
@@ -4516,3 +4519,43 @@ final class ForwardItemSubview: UIView {
         }
     }
 }
+
+// MARK: - UICollectionView Wrapper
+
+/// Thin UICollectionViewCell wrapper for NativeMessageCell (UIView).
+/// Allows existing UICollectionView-based NativeMessageList to continue working
+/// while NativeMessageCell itself is a plain UIView for RosettaListView.
+final class NativeMessageCollectionCell: UICollectionViewCell {
+
+    let messageView = NativeMessageCell(frame: .zero)
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        messageView.frame = contentView.bounds
+        messageView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        contentView.addSubview(messageView)
+        backgroundColor = .clear
+        contentView.backgroundColor = .clear
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func prepareForReuse() {
+        super.prepareForReuse()
+        messageView.prepareForReuse()
+    }
+
+    override func preferredLayoutAttributesFitting(
+        _ layoutAttributes: UICollectionViewLayoutAttributes
+    ) -> UICollectionViewLayoutAttributes {
+        let attrs = layoutAttributes.copy() as! UICollectionViewLayoutAttributes
+        attrs.size.height = messageView.preferredHeight
+        return attrs
+    }
+
+    override func layoutSubviews() {
+        super.layoutSubviews()
+        messageView.frame = contentView.bounds
+    }
+}

Rosetta/Features/Chats/ChatDetail/NativeMessageList.swift

@@ -109,8 +109,19 @@ final class NativeMessageListController: UIViewController {
     private var collectionView: UICollectionView!
     private static let unreadSeparatorId = "__unread_separator__"
 
+    /// Extract NativeMessageCell from a collection view cell (wrapper pattern).
+    private func messageCell(from cell: UICollectionViewCell) -> NativeMessageCell? {
+        (cell as? NativeMessageCollectionCell)?.messageView
+    }
+
+    /// Extract NativeMessageCell at index path.
+    private func messageCell(at indexPath: IndexPath) -> NativeMessageCell? {
+        guard let cell = collectionView.cellForItem(at: indexPath) else { return nil }
+        return messageCell(from: cell)
+    }
+
     private var dataSource: UICollectionViewDiffableDataSource<Int, String>!
-    private var nativeCellRegistration: UICollectionView.CellRegistration<NativeMessageCell, ChatMessage>!
+    private var nativeCellRegistration: UICollectionView.CellRegistration<NativeMessageCollectionCell, ChatMessage>!
     private var separatorCellRegistration: UICollectionView.CellRegistration<UnreadSeparatorCell, Bool>!
 
     // MARK: - Insertion Animation
@@ -348,7 +359,7 @@ final class NativeMessageListController: UIViewController {
         let sortedIndexPaths = collectionView.indexPathsForVisibleItems
             .sorted { $0.item < $1.item }
         for ip in sortedIndexPaths {
-            guard let cell = collectionView.cellForItem(at: ip) as? NativeMessageCell,
+            guard let cell = messageCell(at: ip),
                   let msgId = messageId(for: ip) else { continue }
             let isOutgoing = layoutCache[msgId]?.isOutgoing ?? false
             // Hide cells before animation — they'll fade in via skeleton transition
@@ -476,8 +487,9 @@ final class NativeMessageListController: UIViewController {
     }
 
     private func setupNativeCellRegistration() {
-        nativeCellRegistration = UICollectionView.CellRegistration<NativeMessageCell, ChatMessage> {
+        nativeCellRegistration = UICollectionView.CellRegistration<NativeMessageCollectionCell, ChatMessage> {
-            [weak self] cell, indexPath, message in
+            [weak self] wrapper, indexPath, message in
+            let cell = wrapper.messageView
             guard let self else { return }
 
             // Patch group messages without attachment password (legacy messages before fix).
@@ -1445,9 +1457,9 @@ final class NativeMessageListController: UIViewController {
 
         // Update all visible cells
         for cell in collectionView.visibleCells {
-            guard let msgCell = cell as? NativeMessageCell else { continue }
+            guard let msgCell = messageCell(from: cell) else { continue }
             msgCell.setSelectionMode(enabled, animated: animated)
-            if enabled, let indexPath = collectionView.indexPath(for: msgCell),
+            if enabled, let indexPath = collectionView.indexPath(for: cell),
                let msgId = messageId(for: indexPath) {
                 msgCell.setMessageSelected(selectedMessageIds.contains(msgId), animated: false)
             }
@@ -1462,8 +1474,9 @@ final class NativeMessageListController: UIViewController {
         selectedMessageIds = ids
 
         for cell in collectionView.visibleCells {
-            guard let msgCell = cell as? NativeMessageCell,
+            guard let wrapper = cell as? NativeMessageCollectionCell,
-                  let indexPath = collectionView.indexPath(for: msgCell),
+                  let msgCell = messageCell(from: wrapper),
+                  let indexPath = collectionView.indexPath(for: wrapper),
                   let msgId = messageId(for: indexPath) else { continue }
             let wasSelected = oldIds.contains(msgId)
             let isSelected = ids.contains(msgId)
@@ -1889,13 +1902,13 @@ final class NativeMessageListController: UIViewController {
     func animateHighlight(messageId: String?) {
         // Hide any previously highlighted cell
         for cell in collectionView.visibleCells {
-            (cell as? NativeMessageCell)?.hideHighlight()
+            messageCell(from: cell)?.hideHighlight()
         }
         guard let messageId,
               let snapshot = dataSource?.snapshot(),
               let itemIndex = snapshot.indexOfItem(messageId) else { return }
         let indexPath = IndexPath(item: itemIndex, section: 0)
-        guard let cell = collectionView.cellForItem(at: indexPath) as? NativeMessageCell else { return }
+        guard let cell = messageCell(at: indexPath) else { return }
         cell.showHighlight()
     }
 
@@ -2214,7 +2227,7 @@ extension NativeMessageListController: ComposerViewDelegate {
         let player = VoiceMessagePlayer.shared
         guard let playingId = player.currentMessageId else { return }
         for cell in collectionView.visibleCells {
-            guard let messageCell = cell as? NativeMessageCell else { continue }
+            guard let messageCell = self.messageCell(from: cell) else { continue }
             // Match main voice view OR any forward item voice view
             let matchesMain = messageCell.currentMessageId == playingId
             let matchesForward = messageCell.hasForwardVoiceWithPlaybackId(playingId)
@@ -2232,7 +2245,7 @@ extension NativeMessageListController: ComposerViewDelegate {
     private func updateAllVisibleVoiceCells() {
         let player = VoiceMessagePlayer.shared
         for cell in collectionView.visibleCells {
-            guard let messageCell = cell as? NativeMessageCell else { continue }
+            guard let messageCell = self.messageCell(from: cell) else { continue }
             let isThisMessage = messageCell.currentMessageId == player.currentMessageId
                 || messageCell.hasForwardVoiceWithPlaybackId(player.currentMessageId)
             messageCell.updateVoicePlayback(
@@ -2409,7 +2422,7 @@ extension NativeMessageListController: ComposerViewDelegate {
             collectionView.scrollToItem(at: indexPath, at: .bottom, animated: false)
             collectionView.layoutIfNeeded()
         }
-        guard let cell = collectionView.cellForItem(at: indexPath) as? NativeMessageCell else {
+        guard let cell = messageCell(at: indexPath) else {
             return nil
         }
         return cell.voiceTransitionTargetFrame(in: window) ?? cell.bubbleFrameInWindow(window)