feat: Avalonia 常驻通知应用（保活 + 弹窗 + 跨桌面）

- 常驻 Host：无主窗口保活 + 系统托盘菜单 - Toast 弹窗：堆叠 / 自动消失 / 悬停暂停 / 淡入淡出 / 点击关闭 - Sticky 常驻弹窗与 InputMode 边框配色 - 跨虚拟桌面显示（源生成 COM PinView，AOT 友好） - 设置窗口（Semi + Ursa）+ JSON 源生成持久化 - AOT 准备：IsAotCompatible 0 警告
2026-06-22 14:25:14 +08:00
parent 734b017566
commit cfb1b99162
23 changed files with 1260 additions and 0 deletions
@@ -0,0 +1,89 @@
+using System.Collections.Generic;
+using CommunityToolkit.Mvvm.ComponentModel;
+using CommunityToolkit.Mvvm.Input;
+using Notify.Models;
+using Notify.Services;
+
+namespace Notify.ViewModels;
+
+public partial class SettingsViewModel : ObservableObject
+{
+    private readonly SettingsService _settings;
+    private readonly ToastManager _toasts;
+
+    public SettingsViewModel(SettingsService settings, ToastManager toasts)
+    {
+        _settings = settings;
+        _toasts = toasts;
+
+        var s = settings.Current;
+        DurationSeconds = s.DurationSeconds;
+        Corner = s.Corner;
+        Opacity = s.Opacity;
+        MaxVisible = s.MaxVisible;
+        PlaySound = s.PlaySound;
+        Width = s.Width;
+        FadeMilliseconds = s.FadeMilliseconds;
+        ShowOnAllDesktops = s.ShowOnAllDesktops;
+    }
+
+    public IReadOnlyList<ToastCorner> Corners { get; } =
+        [ToastCorner.TopLeft, ToastCorner.TopRight, ToastCorner.BottomLeft, ToastCorner.BottomRight];
+
+    [ObservableProperty]
+    public partial int DurationSeconds { get; set; }
+
+    [ObservableProperty]
+    public partial ToastCorner Corner { get; set; }
+
+    [ObservableProperty]
+    public partial double Opacity { get; set; }
+
+    [ObservableProperty]
+    public partial int MaxVisible { get; set; }
+
+    [ObservableProperty]
+    public partial bool PlaySound { get; set; }
+
+    [ObservableProperty]
+    public partial double Width { get; set; }
+
+    [ObservableProperty]
+    public partial int FadeMilliseconds { get; set; }
+
+    [ObservableProperty]
+    public partial bool ShowOnAllDesktops { get; set; }
+
+    [ObservableProperty]
+    public partial string StatusText { get; set; } = string.Empty;
+
+    [RelayCommand]
+    private void Save()
+    {
+        _settings.Save(new ToastSettings
+        {
+            DurationSeconds = DurationSeconds,
+            Corner = Corner,
+            Opacity = Opacity,
+            MaxVisible = MaxVisible,
+            PlaySound = PlaySound,
+            Width = Width,
+            FadeMilliseconds = FadeMilliseconds,
+            ShowOnAllDesktops = ShowOnAllDesktops,
+        });
+        StatusText = "已保存";
+    }
+
+    [RelayCommand]
+    private void TestToast()
+    {
+        // 用当前编辑中的值预览（先保存再弹，所见即所得）
+        Save();
+        _toasts.Show(new ToastRequest
+        {
+            Title = "预览弹窗",
+            Message = "这是一条测试通知 — 点击可关闭",
+            InputMode = false,
+        });
+    }
+}