Optimize mail list selection and draft pruning

2026-04-11 10:54:14 +02:00
parent fdb340549d
commit 40318ef99c
5 changed files with 305 additions and 187 deletions
@@ -12,6 +12,9 @@ namespace Wino.Mail.WinUI.Controls.ListView;
 [GeneratedBindableCustomProperty]
 public partial class WinoThreadMailItemViewModelListViewItem : ListViewItem
 {
+    private WinoExpander? _expander;
+    private WinoListView? _threadListView;
+
    [GeneratedDependencyProperty]
    public partial bool IsThreadExpanded { get; set; }

@@ -28,14 +31,27 @@ public partial class WinoThreadMailItemViewModelListViewItem : ListViewItem

    public WinoListView? GetWinoListViewControl()
    {
+        if (_threadListView?.XamlRoot != null)
+        {
+            return _threadListView;
+        }
+
        var expander = GetExpander();
+        _threadListView = expander?.Content as WinoListView;

-        if (expander?.Content is WinoListView control) return control;
-
-        return null;
+        return _threadListView;
    }

-    public WinoExpander? GetExpander() => WinoVisualTreeHelper.FindDescendants<WinoExpander>(this).FirstOrDefault();
+    public WinoExpander? GetExpander()
+    {
+        if (_expander?.XamlRoot != null)
+        {
+            return _expander;
+        }
+
+        _expander = WinoVisualTreeHelper.FindDescendants<WinoExpander>(this).FirstOrDefault();
+        return _expander;
+    }

    partial void OnItemPropertyChanged(DependencyPropertyChangedEventArgs e)
    {
@@ -51,5 +67,8 @@ public partial class WinoThreadMailItemViewModelListViewItem : ListViewItem
        {
            IsCustomSelected = false;
        }
+
+        _expander = null;
+        _threadListView = null;
    }
 }