mirror of
https://github.com/wwiinnddyy/LanMountainDesktop.git
synced 2026-06-22 00:54:26 +08:00
通知系统，自习系统，反正做了很多
This commit is contained in:
lincube
503
LanMountainDesktop/Services/NotificationService.cs
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503
LanMountainDesktop/Services/NotificationService.cs
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@@ -0,0 +1,503 @@
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Threading.Tasks;
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using Avalonia;
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using Avalonia.Controls;
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using Avalonia.Media.Imaging;
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using Avalonia.Platform;
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using Avalonia.Threading;
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using FluentAvalonia.UI.Controls;
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using LanMountainDesktop.Models;
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using LanMountainDesktop.PluginSdk;
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using LanMountainDesktop.Services.Settings;
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using LanMountainDesktop.ViewModels;
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using LanMountainDesktop.Views;
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namespace LanMountainDesktop.Services;
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public enum NotificationPosition
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{
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TopLeft = 0,
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TopRight = 1,
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TopCenter = 2,
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BottomLeft = 3,
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BottomRight = 4,
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BottomCenter = 5,
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Center = 6
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}
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public enum NotificationSeverity
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{
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Info = 0,
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Success = 1,
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Warning = 2,
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Error = 3
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}
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public readonly record struct NotificationContent(
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string Title,
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string? Message = null,
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Stream? IconStream = null,
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string? IconPath = null,
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Bitmap? IconBitmap = null,
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NotificationSeverity Severity = NotificationSeverity.Info,
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NotificationPosition Position = NotificationPosition.TopRight,
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TimeSpan? Duration = null,
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Action? OnClick = null,
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string? PrimaryButtonText = null,
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string? SecondaryButtonText = null,
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string? CloseButtonText = null,
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Action? OnPrimaryButtonClick = null,
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Action? OnSecondaryButtonClick = null)
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{
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public TimeSpan EffectiveDuration => Duration ?? TimeSpan.FromSeconds(4);
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/// <summary>
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/// Indicates whether this notification should be shown as a dialog (center position)
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/// or as a toast notification (other positions)
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/// </summary>
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public bool IsDialogNotification => Position == NotificationPosition.Center;
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}
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public interface INotificationService
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{
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void Show(NotificationContent content);
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Task<ContentDialogResult> ShowDialogAsync(NotificationContent content);
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void ShowInfo(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight);
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void ShowSuccess(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight);
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void ShowWarning(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight);
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void ShowError(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight);
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Task<ContentDialogResult> ShowDialogInfoAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消");
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Task<ContentDialogResult> ShowDialogSuccessAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消");
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Task<ContentDialogResult> ShowDialogWarningAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消");
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Task<ContentDialogResult> ShowDialogErrorAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消");
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}
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internal sealed class NotificationService : INotificationService
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{
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private readonly IAppearanceThemeService? _appearanceThemeService;
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private readonly NotificationWindowManager _windowManager;
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public NotificationService(IAppearanceThemeService? appearanceThemeService = null)
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{
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_appearanceThemeService = appearanceThemeService;
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_windowManager = NotificationWindowManager.Instance;
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}
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public void Show(NotificationContent content)
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{
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// 检查通知开关是否启用
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if (!IsNotificationEnabled())
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{
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return; // 通知已禁用，不显示
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}
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// If it's a dialog notification (center position), show as dialog window
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if (content.IsDialogNotification)
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{
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Dispatcher.UIThread.Post(() => ShowDialogWindow(content), DispatcherPriority.Normal);
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return;
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}
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// Otherwise, show as toast notification
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Dispatcher.UIThread.Post(() => ShowCore(content), DispatcherPriority.Normal);
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}
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private void ShowDialogWindow(NotificationContent content)
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{
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var window = new NotificationDialogWindow();
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window.Initialize(content, _appearanceThemeService);
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Screen? screen = null;
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if (Avalonia.Application.Current?.ApplicationLifetime is Avalonia.Controls.ApplicationLifetimes.IClassicDesktopStyleApplicationLifetime desktop)
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{
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screen = desktop.MainWindow?.Screens?.Primary;
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}
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var workingArea = screen?.WorkingArea ?? new PixelRect(0, 0, 1920, 1080);
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window.Measure(Size.Infinity);
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var windowWidth = window.DesiredSize.Width > 0 ? window.DesiredSize.Width : 400;
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var windowHeight = window.DesiredSize.Height > 0 ? window.DesiredSize.Height : 200;
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var centerX = workingArea.X + (workingArea.Width - (int)Math.Round(windowWidth)) / 2;
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var centerY = workingArea.Y + (workingArea.Height - (int)Math.Round(windowHeight)) / 2;
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window.Position = new PixelPoint(centerX, centerY);
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window.Show();
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_ = Task.Run(async () =>
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{
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if (window.CompletionSource is not null)
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{
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await window.CompletionSource.Task;
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}
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});
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}
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public async Task<ContentDialogResult> ShowDialogAsync(NotificationContent content)
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{
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// 检查通知开关是否启用
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if (!IsNotificationEnabled())
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{
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return ContentDialogResult.None; // 通知已禁用，不显示
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}
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return await Dispatcher.UIThread.InvokeAsync(() => ShowDialogCoreAsync(content));
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}
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private async Task<ContentDialogResult> ShowDialogCoreAsync(NotificationContent content)
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{
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// Get the main window as the dialog host
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var mainWindow = GetMainWindow();
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if (mainWindow is null)
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{
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AppLogger.Warn("Notification", "Cannot show dialog notification: main window not found");
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return ContentDialogResult.None;
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}
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var dialog = new ContentDialog
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{
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Title = content.Title,
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Content = content.Message ?? string.Empty,
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PrimaryButtonText = content.PrimaryButtonText,
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SecondaryButtonText = content.SecondaryButtonText,
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CloseButtonText = content.CloseButtonText,
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DefaultButton = !string.IsNullOrEmpty(content.PrimaryButtonText) ? ContentDialogButton.Primary :
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!string.IsNullOrEmpty(content.SecondaryButtonText) ? ContentDialogButton.Secondary :
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ContentDialogButton.Close
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};
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var result = await dialog.ShowAsync(mainWindow);
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// Execute callbacks based on result
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switch (result)
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{
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case ContentDialogResult.Primary:
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content.OnPrimaryButtonClick?.Invoke();
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break;
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case ContentDialogResult.Secondary:
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content.OnSecondaryButtonClick?.Invoke();
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break;
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}
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return result;
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}
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private static bool IsNotificationEnabled()
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{
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try
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{
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// 从全局设置服务中读取通知开关状态
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var settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
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var snapshot = settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(PluginSdk.SettingsScope.App);
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return snapshot.NotificationEnabled;
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}
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catch
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{
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// 如果读取失败，默认启用通知
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return true;
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}
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}
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private static Window? GetMainWindow()
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{
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if (Application.Current?.ApplicationLifetime is Avalonia.Controls.ApplicationLifetimes.IClassicDesktopStyleApplicationLifetime desktop)
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{
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return desktop.MainWindow;
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}
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return null;
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}
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private void ShowCore(NotificationContent content)
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{
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var viewModel = new NotificationViewModel
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{
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Title = content.Title,
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Message = content.Message,
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Severity = content.Severity,
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Position = content.Position,
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Duration = content.EffectiveDuration,
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OnClick = content.OnClick
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};
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if (content.IconBitmap is not null)
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{
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viewModel.Icon = content.IconBitmap;
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}
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else if (content.IconStream is not null)
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{
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viewModel.Icon = new Bitmap(content.IconStream);
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}
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else if (!string.IsNullOrEmpty(content.IconPath))
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{
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try
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{
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viewModel.Icon = new Bitmap(content.IconPath);
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}
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catch
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{
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AppLogger.Warn("Notification", $"Failed to load icon from path: {content.IconPath}");
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}
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}
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_windowManager.ShowNotification(viewModel, _appearanceThemeService);
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}
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public void ShowInfo(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight)
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{
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Show(new NotificationContent(title, message, Severity: NotificationSeverity.Info, Position: position));
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}
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public void ShowSuccess(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight)
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{
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Show(new NotificationContent(title, message, Severity: NotificationSeverity.Success, Position: position));
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}
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public void ShowWarning(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight)
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{
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Show(new NotificationContent(title, message, Severity: NotificationSeverity.Warning, Position: position));
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}
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public void ShowError(string title, string? message = null,
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NotificationPosition position = NotificationPosition.TopRight)
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{
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Show(new NotificationContent(title, message, Severity: NotificationSeverity.Error, Position: position));
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}
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public Task<ContentDialogResult> ShowDialogInfoAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消")
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{
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return ShowDialogAsync(new NotificationContent(
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title,
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message,
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Severity: NotificationSeverity.Info,
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Position: NotificationPosition.Center,
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PrimaryButtonText: primaryButtonText,
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CloseButtonText: closeButtonText));
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}
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public Task<ContentDialogResult> ShowDialogSuccessAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消")
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{
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return ShowDialogAsync(new NotificationContent(
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title,
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message,
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Severity: NotificationSeverity.Success,
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Position: NotificationPosition.Center,
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PrimaryButtonText: primaryButtonText,
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CloseButtonText: closeButtonText));
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}
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public Task<ContentDialogResult> ShowDialogWarningAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消")
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{
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return ShowDialogAsync(new NotificationContent(
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title,
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message,
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Severity: NotificationSeverity.Warning,
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Position: NotificationPosition.Center,
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PrimaryButtonText: primaryButtonText,
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CloseButtonText: closeButtonText));
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}
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public Task<ContentDialogResult> ShowDialogErrorAsync(string title, string? message = null,
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string? primaryButtonText = "确定", string? closeButtonText = "取消")
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{
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return ShowDialogAsync(new NotificationContent(
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title,
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message,
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Severity: NotificationSeverity.Error,
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Position: NotificationPosition.Center,
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PrimaryButtonText: primaryButtonText,
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CloseButtonText: closeButtonText));
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}
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}
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internal sealed class NotificationWindowManager
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{
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private static NotificationWindowManager? _instance;
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public static NotificationWindowManager Instance => _instance ??= new NotificationWindowManager();
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private readonly Dictionary<NotificationPosition, List<NotificationWindow>> _windowsByPosition = new();
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private const double Margin = 12;
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private const double Spacing = 6;
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private NotificationWindowManager()
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{
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foreach (var position in Enum.GetValues<NotificationPosition>())
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{
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_windowsByPosition[position] = new List<NotificationWindow>();
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}
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}
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public void ShowNotification(NotificationViewModel viewModel, IAppearanceThemeService? themeService)
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{
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var position = viewModel.Position;
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var windows = _windowsByPosition[position];
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// 从设置中读取最大通知数量
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var maxNotifications = GetMaxNotificationsPerPosition();
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if (windows.Count >= maxNotifications)
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{
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var oldestWindow = windows[0];
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windows.RemoveAt(0);
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oldestWindow.Close();
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}
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var window = new NotificationWindow();
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window.Initialize(viewModel, themeService);
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window.Closed += OnWindowClosed;
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windows.Add(window);
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UpdateWindowPositions(position);
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window.ShowWithAnimationAsync();
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}
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private void OnWindowClosed(object? sender, EventArgs e)
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{
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if (sender is not NotificationWindow window) return;
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var position = window.NotificationPositionValue;
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var windows = _windowsByPosition.GetValueOrDefault(position);
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if (windows is null) return;
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windows.Remove(window);
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window.Closed -= OnWindowClosed;
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UpdateWindowPositions(position);
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}
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private static int GetMaxNotificationsPerPosition()
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{
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try
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{
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// 从全局设置服务中读取最大通知数量
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var settingsFacade = HostSettingsFacadeProvider.GetOrCreate();
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var snapshot = settingsFacade.Settings.LoadSnapshot<AppSettingsSnapshot>(PluginSdk.SettingsScope.App);
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return snapshot.NotificationMaxPerPosition > 0 ? snapshot.NotificationMaxPerPosition : 5;
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}
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catch
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{
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// 如果读取失败，返回默认值
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return 5;
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}
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}
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private void UpdateWindowPositions(NotificationPosition position)
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{
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var windows = _windowsByPosition.GetValueOrDefault(position);
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if (windows is null || windows.Count == 0) return;
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var screen = GetPrimaryScreen();
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var workingArea = screen?.WorkingArea ?? new PixelRect(0, 0, 1920, 1080);
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var scale = 1d;
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for (var i = 0; i < windows.Count; i++)
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{
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var window = windows[i];
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var targetPosition = CalculateWindowPosition(window, position, workingArea, scale, i);
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window.Position = targetPosition;
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}
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}
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private PixelPoint CalculateWindowPosition(
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NotificationWindow window,
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NotificationPosition position,
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PixelRect workingArea,
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double scale,
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int stackIndex)
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{
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window.Measure(Size.Infinity);
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var windowWidth = window.DesiredSize.Width > 0 ? window.DesiredSize.Width : 320;
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var windowHeight = window.DesiredSize.Height > 0 ? window.DesiredSize.Height : 80;
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var margin = (int)Math.Round(Margin * scale);
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var spacing = (int)Math.Round(Spacing * scale);
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var stackedOffset = stackIndex * ((int)Math.Round(windowHeight) + spacing);
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return position switch
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{
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NotificationPosition.TopLeft => new PixelPoint(
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workingArea.X + margin,
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workingArea.Y + margin + stackedOffset),
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NotificationPosition.TopRight => new PixelPoint(
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workingArea.Right - (int)Math.Round(windowWidth) - margin,
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workingArea.Y + margin + stackedOffset),
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NotificationPosition.TopCenter => new PixelPoint(
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workingArea.X + (workingArea.Width - (int)Math.Round(windowWidth)) / 2,
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workingArea.Y + margin + stackedOffset),
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NotificationPosition.BottomLeft => new PixelPoint(
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workingArea.X + margin,
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workingArea.Bottom - (int)Math.Round(windowHeight) - margin - stackedOffset),
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NotificationPosition.BottomRight => new PixelPoint(
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workingArea.Right - (int)Math.Round(windowWidth) - margin,
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workingArea.Bottom - (int)Math.Round(windowHeight) - margin - stackedOffset),
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NotificationPosition.BottomCenter => new PixelPoint(
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workingArea.X + (workingArea.Width - (int)Math.Round(windowWidth)) / 2,
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workingArea.Bottom - (int)Math.Round(windowHeight) - margin - stackedOffset),
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NotificationPosition.Center => new PixelPoint(
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workingArea.X + (workingArea.Width - (int)Math.Round(windowWidth)) / 2,
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workingArea.Y + (workingArea.Height - (int)Math.Round(windowHeight)) / 2),
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_ => new PixelPoint(
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workingArea.Right - (int)Math.Round(windowWidth) - margin,
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workingArea.Y + margin + stackedOffset)
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};
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}
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private static Screen? GetPrimaryScreen()
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{
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if (Avalonia.Application.Current?.ApplicationLifetime is Avalonia.Controls.ApplicationLifetimes.IClassicDesktopStyleApplicationLifetime desktop)
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{
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return desktop.MainWindow?.Screens?.Primary;
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}
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return null;
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}
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public void ApplyThemeToAllWindows(AppearanceThemeSnapshot snapshot)
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{
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foreach (var windows in _windowsByPosition.Values)
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{
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foreach (var window in windows.ToList())
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{
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try
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{
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window.RequestedThemeVariant = snapshot.IsNightMode ? Avalonia.Styling.ThemeVariant.Dark : Avalonia.Styling.ThemeVariant.Light;
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}
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catch
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{
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}
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}
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}
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}
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}
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Reference in New Issue
Block a user