mirror of
https://github.com/LanZhan-Harmony/WindowsMusicPlayer-TheUntamedMusicPlayer.git
synced 2026-07-01 03:34:22 +08:00
425 lines
13 KiB
C#
425 lines
13 KiB
C#
using System.ComponentModel;
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using System.Numerics;
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using System.Runtime.InteropServices;
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using CommunityToolkit.Mvvm.Messaging;
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using Microsoft.Extensions.Logging;
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using Microsoft.UI.Dispatching;
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using Microsoft.UI.Windowing;
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using Microsoft.UI.Xaml;
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using Microsoft.UI.Xaml.Controls;
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using Microsoft.UI.Xaml.Input;
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using UntamedMusicPlayer.Contracts.Services;
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using UntamedMusicPlayer.Helpers;
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using UntamedMusicPlayer.Messages;
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using UntamedMusicPlayer.Models;
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using UntamedMusicPlayer.Services;
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using UntamedMusicPlayer.ViewModels;
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using UntamedMusicPlayer.Views;
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using Windows.System;
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using WinRT.Interop;
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using WinUIEx;
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using ZLogger;
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namespace UntamedMusicPlayer;
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public sealed partial class MainWindow : WindowEx, IRecipient<LogMessage>
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{
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private readonly ILogger _logger = LoggingService.CreateLogger<MainWindow>();
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private readonly InfoBarManager? _infoBarManager;
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private bool _isClosingWorkDone;
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private readonly Timer _playBarTimer;
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private bool _playBarTimerEnabled = false;
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private bool _isPlayBarHidden = false;
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// 热键 ID
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private const int HOTKEY_ID_VOLUME_UP = 1;
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private const int HOTKEY_ID_VOLUME_DOWN = 2;
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private nint _windowHandle;
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private nint _oldWndProc;
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// 必须保持委托引用防止 GC 回收
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private readonly WndProcDelegate _wndProcDelegate;
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public MainWindow()
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{
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InitializeComponent();
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Data.MainWindow = this;
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AppWindow.SetTaskbarIcon(Path.Combine(AppContext.BaseDirectory, "Assets/AppIcon/Icon.ico"));
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AppWindow.SetTitleBarIcon(
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Path.Combine(AppContext.BaseDirectory, "Assets/AppIcon/Icon.ico")
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);
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AppWindow.SetIcon(Path.Combine(AppContext.BaseDirectory, "Assets/AppIcon/Icon.ico"));
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Title = "AppDisplayName".GetLocalized();
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ExtendsContentIntoTitleBar = true;
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ShellFrame.Navigate(typeof(ShellPage));
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// 初始化InfoBar管理器
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_infoBarManager = new InfoBarManager(
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ErrorInfoBar,
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SendFeedbackButton,
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ShowInfoBarStoryboard,
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HideInfoBarStoryboard
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);
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// 注册日志消息接收
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StrongReferenceMessenger.Default.Register(this);
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ErrorInfoBar.Translation += new Vector3(0, 0, 40);
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// 注册AppWindow.Closing事件来处理窗口关闭
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AppWindow.Closing += AppWindow_Closing;
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// 注册全局键盘和指针事件（用于ESC键和鼠标侧键导航）
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RootGrid.AddHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnGlobalKeyDown), true);
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RootGrid.AddHandler(
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UIElement.PointerPressedEvent,
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new PointerEventHandler(OnGlobalPointerPressed),
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true
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);
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// 创建委托并保持引用（防止被 GC 回收）
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_wndProcDelegate = NewWindowProc;
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// 注册系统级全局热键
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Activated += MainWindow_Activated;
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// 初始化播放栏隐藏定时器
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_playBarTimer = new Timer(TimerTick, null, Timeout.Infinite, Timeout.Infinite);
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Data.RootPlayBarViewModel?.PropertyChanged += RootPlayBarViewModelPropertyChanged;
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}
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private void RootPlayBarViewModelPropertyChanged(object? sender, PropertyChangedEventArgs e)
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{
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if (
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e.PropertyName
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is nameof(RootPlayBarViewModel.IsDetail)
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or nameof(RootPlayBarViewModel.IsFullScreen)
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)
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{
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if (Data.RootPlayBarViewModel!.IsDetail && Data.RootPlayBarViewModel.IsFullScreen)
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{
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RootGrid.PointerMoved += RootGrid_PointerMoved;
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}
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else
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{
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RootGrid.PointerMoved -= RootGrid_PointerMoved;
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if (_isPlayBarHidden)
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{
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ShellFrame.Margin = new Thickness(0, 0, 0, 117);
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ShowPlayBarStoryboard.Begin();
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_isPlayBarHidden = false;
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StopPlayBarTimer();
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}
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}
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}
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}
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private void RootGrid_PointerMoved(object sender, PointerRoutedEventArgs e)
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{
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var pointerPoint = e.GetCurrentPoint(RootGrid);
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var position = pointerPoint.Position;
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var height = RootGrid.ActualHeight;
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if (position.Y > height - 117) // 如果鼠标在底部 117 像素范围内
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{
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ShellFrame.Margin = new Thickness(0, 0, 0, 117);
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if (_isPlayBarHidden)
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{
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ShowPlayBarStoryboard.Begin();
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_isPlayBarHidden = false;
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}
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StopPlayBarTimer();
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}
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else if (!_isPlayBarHidden) // 鼠标离开了底部，开始定时器
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{
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StartPlayBarTimer();
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}
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}
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private void TimerTick(object? state)
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{
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StopPlayBarTimer();
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DispatcherQueue.TryEnqueue(
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Microsoft.UI.Dispatching.DispatcherQueuePriority.Low,
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() =>
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{
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if (
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Data.RootPlayBarViewModel!.IsDetail
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&& Data.RootPlayBarViewModel.IsFullScreen
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&& !_isPlayBarHidden
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)
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{
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ShellFrame.Margin = new Thickness(0);
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HidePlayBarStoryboard.Begin();
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_isPlayBarHidden = true;
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}
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}
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);
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}
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private void StartPlayBarTimer()
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{
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if (!_playBarTimerEnabled)
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{
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_playBarTimer.Change(TimeSpan.FromSeconds(2), Timeout.InfiniteTimeSpan);
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_playBarTimerEnabled = true;
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}
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}
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private void StopPlayBarTimer()
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{
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if (_playBarTimerEnabled)
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{
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_playBarTimer.Change(Timeout.Infinite, Timeout.Infinite);
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_playBarTimerEnabled = false;
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}
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}
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/// <summary>
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/// 窗口激活时注册全局热键
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/// </summary>
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private void MainWindow_Activated(object sender, WindowActivatedEventArgs args)
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{
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Activated -= MainWindow_Activated; // 只在第一次激活时注册
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_windowHandle = WindowNative.GetWindowHandle(this); // 获取窗口句柄
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SubclassWindow(); // 子类化窗口以接收 WM_HOTKEY 消息
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RegisterGlobalHotKeys(); // 注册全局热键
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}
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// 窗口过程委托
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private delegate nint WndProcDelegate(nint hWnd, uint msg, nint wParam, nint lParam);
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/// <summary>
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/// 子类化窗口以拦截消息
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/// </summary>
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private void SubclassWindow()
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{
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const int GWL_WNDPROC = -4;
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var newWndProc = Marshal.GetFunctionPointerForDelegate(_wndProcDelegate); // 使用保存的委托引用
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_oldWndProc = ExternFunction.SetWindowLong(_windowHandle, GWL_WNDPROC, newWndProc); // 替换窗口过程
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}
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/// <summary>
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/// 新的窗口过程，用于拦截 WM_HOTKEY 消息
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/// </summary>
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private nint NewWindowProc(nint hWnd, uint msg, nint wParam, nint lParam)
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{
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if (msg == ExternFunction.WM_HOTKEY)
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{
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var hotkeyId = wParam.ToInt32();
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DispatcherQueue.TryEnqueue(() => // 在 UI 线程上处理热键
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{
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switch (hotkeyId)
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{
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case HOTKEY_ID_VOLUME_UP: // Alt + Up: 增加音量
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var currentVolumeUp = Data.PlayState.Volume;
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Data.PlayState.Volume = Math.Min(100, currentVolumeUp + 5);
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break;
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case HOTKEY_ID_VOLUME_DOWN: // Alt + Down: 减少音量
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var currentVolumeDown = Data.PlayState.Volume;
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Data.PlayState.Volume = Math.Max(0, currentVolumeDown - 5);
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break;
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}
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});
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return nint.Zero;
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}
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return ExternFunction.CallWindowProc(_oldWndProc, hWnd, msg, wParam, lParam); // 调用原始窗口过程
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}
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/// <summary>
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/// 注册系统级全局热键
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/// </summary>
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private void RegisterGlobalHotKeys()
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{
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try
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{
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// 注册 Alt + Up (增加音量)
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var success1 = ExternFunction.RegisterHotKey(
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_windowHandle,
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HOTKEY_ID_VOLUME_UP,
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ExternFunction.MOD_ALT,
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ExternFunction.VK_UP
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);
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// 注册 Alt + Down (减少音量)
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var success2 = ExternFunction.RegisterHotKey(
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_windowHandle,
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HOTKEY_ID_VOLUME_DOWN,
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ExternFunction.MOD_ALT,
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ExternFunction.VK_DOWN
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);
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if (!success1 || !success2)
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{
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_logger.ZLogWarning($"注册全局热键失败。上: {success1}, 下: {success2}");
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}
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}
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catch (Exception ex)
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{
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_logger.ZLogWarning(ex, $"注册全局热键时出错");
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}
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}
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/// <summary>
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/// 注销系统级全局热键
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/// </summary>
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private void UnregisterGlobalHotKeys()
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{
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if (_windowHandle != nint.Zero)
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{
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ExternFunction.UnregisterHotKey(_windowHandle, HOTKEY_ID_VOLUME_UP);
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ExternFunction.UnregisterHotKey(_windowHandle, HOTKEY_ID_VOLUME_DOWN);
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}
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}
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/// <summary>
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/// 处理全局键盘按键事件（ESC键返回，Alt+上/下键调音量）
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/// </summary>
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private void OnGlobalKeyDown(object sender, KeyRoutedEventArgs e)
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{
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if (e.Key == VirtualKey.Escape) // ESC 键返回
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{
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if (Data.RootPlayBarViewModel?.IsDetail == true)
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{
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Data.RootPlayBarViewModel.DetailModeUpdate();
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}
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else
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{
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Data.ShellPage?.GoBack();
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}
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e.Handled = true;
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return;
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}
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}
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/// <summary>
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/// 处理全局鼠标按键事件（侧键返回）
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/// </summary>
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private void OnGlobalPointerPressed(object sender, PointerRoutedEventArgs e)
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{
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var properties = e.GetCurrentPoint(RootGrid).Properties;
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if (properties.IsXButton1Pressed)
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{
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if (Data.RootPlayBarViewModel?.IsDetail == true)
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{
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Data.RootPlayBarViewModel.DetailModeUpdate();
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}
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else
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{
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Data.ShellPage?.GoBack();
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}
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e.Handled = true;
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}
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}
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/// <summary>
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/// 接收日志消息并在InfoBar中显示
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/// </summary>
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/// <param name="message">日志消息</param>
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public void Receive(LogMessage message)
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{
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// 只处理Error和Critical级别的日志
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if (message.Level >= LogLevel.Error)
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{
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// 确保在UI线程上执行
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DispatcherQueue.TryEnqueue(() =>
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{
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_infoBarManager?.ShowMessage(message);
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});
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}
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}
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/// <summary>
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/// 获取导航页(ShellFrame)
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/// </summary>
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/// <returns></returns>
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public Frame GetShellFrame()
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{
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return ShellFrame;
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}
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public Grid GetBackgroundGrid()
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{
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return BackgroundGrid;
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}
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/// <summary>
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/// 处理AppWindow关闭请求 - 在窗口实际关闭前处理数据保存
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="args"></param>
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private async void AppWindow_Closing(AppWindow sender, AppWindowClosingEventArgs args)
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{
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if (_isClosingWorkDone)
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{
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return;
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}
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try
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{
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args.Cancel = true;
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sender.Hide(); // 立即隐藏窗口，提升视觉响应
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Data.MusicPlayer.Pause(); // 立即停止音乐播放
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Data.DesktopLyricWindow?.Close(); // 立即关闭桌面歌词
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Settings.NotFirstUsed = true;
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// 并行执行保存以缩短退出后的存活时间
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await Task.WhenAll(
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Data.MusicPlayer.SaveStateAsync(),
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Data.PlaylistLibrary.SaveLibraryAsync()
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);
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}
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catch (Exception ex)
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{
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_logger.ZLogInformation(ex, $"保存应用程序数据失败");
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}
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finally
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{
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PerformFinalCleanup();
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_isClosingWorkDone = true;
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Close(); // 此时真正触发关闭
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}
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}
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/// <summary>
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/// 窗口关闭时的工作
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="args"></param>
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private void MainWindow_Closed(object sender, WindowEventArgs args)
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{
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LoggingService.Shutdown();
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}
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private void PerformFinalCleanup()
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{
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try
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{
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Data.MusicPlayer.Dispose();
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Data.DesktopLyricWindow?.Dispose();
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UnregisterGlobalHotKeys();
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RootGrid.RemoveHandler(UIElement.KeyDownEvent, new KeyEventHandler(OnGlobalKeyDown));
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RootGrid.RemoveHandler(
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UIElement.PointerPressedEvent,
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new PointerEventHandler(OnGlobalPointerPressed)
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);
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StrongReferenceMessenger.Default.Unregister<LogMessage>(this);
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_infoBarManager?.Dispose();
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App.GetService<IMaterialSelectorService>().Dispose();
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App.GetService<IDynamicBackgroundService>().Dispose();
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_playBarTimer?.Dispose();
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}
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catch (Exception ex)
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{
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_logger.ZLogInformation(ex, $"后期清理资源失败");
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}
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}
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}
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