功能更新

Melskin/Controls/Notification/NotificationView.xaml.cs

@@ -0,0 +1,119 @@
+using System.Windows.Media.Animation;
+using System.Windows.Threading;
+
+namespace Melskin.Controls;
+
+/// <summary>
+/// 代表一个通知视图，用于在应用程序中显示系统通知。此类继承自Window，并根据提供的Notification模型和位置信息来初始化自身。支持抽屉式滑入和滑出动画效果。
+/// </summary>
+public partial class NotificationView
+{
+    private readonly DispatcherTimer? closeTimer;
+    private readonly NotificationPlacement placement; // 新增一个字段来存储位置
+
+    /// <summary>
+    /// 当通知视图加载完毕并准备好显示时触发的事件。此事件允许外部代码在通知视图完全初始化后执行特定操作，例如调整其位置或开始动画。
+    /// </summary>
+    public event Action<NotificationView>? Ready;
+
+    /// <summary>
+    /// 获取与此视图关联的通知模型。该模型包含了通知的标题、消息内容、类型以及显示时长等信息。
+    /// </summary>
+    public NotificationModel Model { get; }
+
+    /// <summary>
+    /// 代表一个通知视图，用于在应用程序中显示系统通知。该类继承自Window，并根据提供的Notification模型和位置信息来初始化自身。
+    /// </summary>
+    public NotificationView(NotificationModel model, NotificationPlacement placement) // 构造函数接收placement
+    {
+        InitializeComponent();
+        this.Model = model;
+        this.DataContext = this.Model;
+        this.placement = placement; // 保存placement
+
+        this.Opacity = 0; // 初始时依然保持透明，防止在动画开始前闪烁
+        this.Loaded += (_, _) => Ready?.Invoke(this);
+
+        if (model.Duration <= TimeSpan.Zero) return;
+        closeTimer = new DispatcherTimer { Interval = model.Duration };
+        closeTimer.Tick += (_, _) => AnimateOut();
+    }
+
+    /// <summary>
+    /// 命令视图执行抽屉式滑入动画
+    /// </summary>
+    public void AnimateIn(double finalLeft, double finalTop)
+    {
+        // Manager已经计算好了最终位置，我们只需执行动画
+        this.Top = finalTop; // Y坐标直接设定
+
+        // 根据位置判断是从左侧滑入还是右侧滑入
+        var isRightSide = placement == NotificationPlacement.TopRight ||
+                          placement == NotificationPlacement.BottomRight;
+        var startLeft = isRightSide
+            ? finalLeft + this.ActualWidth + 10  // 从右侧屏幕外开始
+            : finalLeft - this.ActualWidth - 10; // 从左侧屏幕外开始
+
+        // 在动画开始前，立即将窗口移动到屏幕外的起始位置
+        this.Left = startLeft;
+
+        // 创建滑入动画
+        var slideAnim = new DoubleAnimation(startLeft, finalLeft, TimeSpan.FromMilliseconds(400))
+        {
+            EasingFunction = new CubicEase { EasingMode = EasingMode.EaseOut }
+        };
+
+        // 同时，让窗口从透明变为不透明，这是一个很好的辅助效果
+        var fadeAnim = new DoubleAnimation(0, 1, TimeSpan.FromMilliseconds(200));
+
+        // 应用动画
+        this.BeginAnimation(Window.LeftProperty, slideAnim);
+        this.BeginAnimation(Window.OpacityProperty, fadeAnim);
+
+        closeTimer?.Start();
+    }
+
+    /// <summary>
+    /// 命令视图执行抽屉式滑出动画
+    /// </summary>
+    public void AnimateOut()
+    {
+        closeTimer?.Stop();
+
+        // 计算滑出到屏幕外的目标位置
+        var isRightSide = placement is NotificationPlacement.TopRight or NotificationPlacement.BottomRight;
+        var endLeft = isRightSide ? this.Left + this.ActualWidth + 10 : this.Left - this.ActualWidth - 10;
+
+        // 创建滑出动画
+        var slideAnim = new DoubleAnimation(this.Left, endLeft, TimeSpan.FromMilliseconds(300))
+        {
+            EasingFunction = new CubicEase { EasingMode = EasingMode.EaseIn }
+        };
+
+        // 同时淡出
+        var fadeAnim = new DoubleAnimation(this.Opacity, 0, TimeSpan.FromMilliseconds(250));
+
+        // 当动画完成时，关闭窗口
+        slideAnim.Completed += (_, _) => this.Close();
+
+        this.BeginAnimation(Window.LeftProperty, slideAnim);
+        this.BeginAnimation(Window.OpacityProperty, fadeAnim);
+    }
+
+    /// <summary>
+    /// 当其他通知关闭时，平滑地移动到新位置 (这个方法保持不变)
+    /// </summary>
+    public void AnimateMove(double newTop)
+    {
+        var moveAnim = new DoubleAnimation(this.Top, newTop, TimeSpan.FromMilliseconds(350))
+        {
+            EasingFunction = new CubicEase { EasingMode = EasingMode.EaseOut }
+        };
+        this.BeginAnimation(Window.TopProperty, moveAnim);
+    }
+
+    private void CloseButton_Click(object sender, RoutedEventArgs e)
+    {
+        AnimateOut();
+    }
+}