优化新消息到来的隐藏效果、优化从后台回来IM状态断开

galaxy/galaxy/Classes/Modules/LivestreamSales(直播销售)/C/YHLivePlayerViewController.swift

@@ -904,6 +904,9 @@ extension YHLivePlayerViewController {
     @objc private func handleAppWillEnterForeground() {
         if YHLoginManager.shared.isLogin() {
             joinLiveRoom(id: liveId, callback: { _, _ in })
+            if let roomId = roomId {
+                setupChatRoom(roomId: roomId)
+            }
         }
     }
     /*
@@ -976,7 +979,9 @@ extension YHLivePlayerViewController {
         if #available(iOS 16.0, *) {
             windowScene.requestGeometryUpdate(.iOS(interfaceOrientations: orientationMask))
         } else {
-            
+//            let orientation: UIInterfaceOrientation = orientationMask == .portrait ? .portrait : .landscapeRight
+//            UIDevice.current.setValue(orientation.rawValue, forKey: "orientation")
+//            UIViewController.attemptRotationToDeviceOrientation()
         }
     }
     
@@ -987,6 +992,9 @@ extension YHLivePlayerViewController {
         if #available(iOS 16.0, *) {
             windowScene.requestGeometryUpdate(.iOS(interfaceOrientations: orientationMask))
         } else {
+//            let orientation: UIInterfaceOrientation = .portrait
+//            UIDevice.current.setValue(orientation.rawValue, forKey: "orientation")
+//            UIViewController.attemptRotationToDeviceOrientation()
         }
         bottomInputBar.isHidden = false
         messageListView.isHidden = false
@@ -1002,6 +1010,9 @@ extension YHLivePlayerViewController {
         if #available(iOS 16.0, *) {
             windowScene.requestGeometryUpdate(.iOS(interfaceOrientations: orientationMask))
         } else {
+//            let orientation: UIInterfaceOrientation = .landscapeRight
+//            UIDevice.current.setValue(orientation.rawValue, forKey: "orientation")
+//            UIViewController.attemptRotationToDeviceOrientation()
         }
         bottomInputBar.isHidden = true
         messageListView.isHidden = true

galaxy/galaxy/Classes/Modules/LivestreamSales(直播销售)/V/YHLiveMessageListView.swift

@@ -47,6 +47,9 @@ class YHLiveMessageListView: UIView {
             make.top.equalToSuperview()
             make.left.bottom.right.equalToSuperview()
         }
+        
+        // 添加 KVO
+        tableView.addObserver(self, forKeyPath: "contentSize", options: .new, context: nil)
     }
 
     // MARK: - Public Methods
@@ -63,12 +66,20 @@ class YHLiveMessageListView: UIView {
         messages.removeAll()
         tableView.reloadData()
     }
-}
     
-// MARK: - UITableViewDelegate & UITableViewDataSource
+    deinit {
+        // 移除 KVO
+        tableView.removeObserver(self, forKeyPath: "contentSize")
+    }
     
-extension YHLiveMessageListView: UITableViewDelegate, UITableViewDataSource {
-    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+    override func observeValue(forKeyPath keyPath: String?, of object: Any?, change: [NSKeyValueChangeKey: Any]?, context: UnsafeMutableRawPointer?) {
+        if keyPath == "contentSize" {
+            fadeCells()
+        }
+    }
+    
+    private func fadeCells() {
+        // 内容大小变化
         let fadeRange: CGFloat = 50
 
         tableView.visibleCells.forEach { cell in
@@ -76,7 +87,7 @@ extension YHLiveMessageListView: UITableViewDelegate, UITableViewDataSource {
             let cellRect = tableView.rectForRow(at: indexPath)
 
             // 因为视图是倒置的，所以我们需要用 tableView 的高度来计算正确的位置
-            let cellPositionFromBottom = tableView.bounds.height - (cellRect.origin.y - scrollView.contentOffset.y) - cellRect.height
+            let cellPositionFromBottom = tableView.bounds.height - (cellRect.origin.y - tableView.contentOffset.y) - cellRect.height
 
             if cellPositionFromBottom >= 0 && cellPositionFromBottom <= fadeRange {
                 let progress = cellPositionFromBottom / fadeRange
@@ -88,6 +99,14 @@ extension YHLiveMessageListView: UITableViewDelegate, UITableViewDataSource {
             }
         }
     }
+}
+
+// MARK: - UITableViewDelegate & UITableViewDataSource
+
+extension YHLiveMessageListView: UITableViewDelegate, UITableViewDataSource {
+    func scrollViewDidScroll(_ scrollView: UIScrollView) {
+        fadeCells()
+    }
     
     func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
         return UITableView.automaticDimension