重构自动移动鼠标逻辑

Author: JiuLing-zhang

src/ComputerLock/Platforms/MouseHook.cs

@@ -6,7 +6,19 @@ internal class MouseHook
     [DllImport("user32.dll")]
     private static extern int ShowCursor(bool bShow);
 
+    [DllImport("user32.dll")]
+    private static extern int SetCursorPos(int x, int y);
+
+    [DllImport("user32.dll")]
+    private static extern void mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);
+
+    public const int MOUSEEVENTF_LEFTDOWN = 0x0002;
+    public const int MOUSEEVENTF_LEFTUP = 0x0004;
+    public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;
+    public const int MOUSEEVENTF_RIGHTUP = 0x0010;
+
     private int _cursorCount = 0;
+    private Random _random = new Random();
 
     /// <summary>
     /// 隐藏鼠标光标。
@@ -47,4 +59,17 @@ public void ResetCursorState()
             _cursorCount--;
         }
     }
+
+    /// <summary>
+    /// 移动鼠标并点击
+    /// </summary>
+    public void MoveAndClick()
+    {
+        var x = _random.Next(0, 100);
+        var y = _random.Next(0, 100);
+
+        var p = new Point(x, y);
+        SetCursorPos((int)p.X, (int)p.Y);
+        mouse_event(MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP, x, y, 0, 0);
+    }
 }

src/ComputerLock/Services/GlobalLockService.cs

@@ -21,7 +21,7 @@ internal class GlobalLockService : IGlobalLockService
     private readonly IWindowsMessageBox _messageBox;
     private readonly IStringLocalizer<Lang> _lang;
     public bool IsLocked { get; private set; }
-
+    private CancellationTokenSource? _cts;
     public GlobalLockService(ILogger logger, AppSettings appSettings, UserActivityMonitor activityMonitor, HotkeyHook hotkeyHook, TaskManagerHook taskManagerHook, MouseHook mouseHook, SystemKeyHook systemKeyHook, IServiceProvider serviceProvider, IWindowsMessageBox messageBox, IStringLocalizer<Lang> lang)
     {
         _logger = logger;
@@ -131,6 +131,29 @@ public void Lock()
             }
         }
         _systemKeyHook.DisableSystemKey();
+
+        if (_appSettings.IsDisableWindowsLock)
+        {
+            _cts = new CancellationTokenSource();
+            _logger.Write("全局锁定 -> 禁用 Windows 锁屏");
+            Task.Run(async () =>
+            {
+                while (true)
+                {
+                    _logger.Write("全局锁定 -> 移动鼠标，防止 Windows 锁屏");
+                    _mouseHook.MoveAndClick();
+                    try
+                    {
+                        await Task.Delay(TimeSpan.FromSeconds(30), _cts.Token);
+                    }
+                    catch (TaskCanceledException)
+                    {
+                        _logger.Write("全局锁定 -> 鼠标任务释放");
+                        break;
+                    }
+                }
+            }, _cts.Token);
+        }
         IsLocked = true;
     }
 
@@ -194,6 +217,13 @@ private void SystemUnlock()
         }
 
         _systemKeyHook.Dispose();
+
+        if (_cts != null)
+        {
+            _cts.Cancel();
+            _cts.Dispose();
+            _cts = null;
+        }
     }
 
     public void Dispose()

src/ComputerLock/WindowLockScreen.xaml.cs

@@ -20,28 +20,6 @@ public partial class WindowLockScreen : Window
 
     public event EventHandler<EventArgs>? OnUnlock;
 
-    /// <summary>
-    /// 引用user32.dll动态链接库（windows api），
-    /// 使用库中定义 API：SetCursorPos 
-    /// </summary>
-    [DllImport("user32.dll")]
-    private static extern int SetCursorPos(int x, int y);
-    /// <summary>
-    /// 移动鼠标到指定的坐标点
-    /// </summary>
-    public void MoveMouseToPoint(Point p)
-    {
-        SetCursorPos((int)p.X, (int)p.Y);
-    }
-
-    //点击事件
-    [DllImport("User32")]
-    private static extern void mouse_event(int dwFlags, int dx, int dy, int cButtons, int dwExtraInfo);
-    public const int MOUSEEVENTF_LEFTDOWN = 0x0002;
-    public const int MOUSEEVENTF_LEFTUP = 0x0004;
-    public const int MOUSEEVENTF_RIGHTDOWN = 0x0008;
-    public const int MOUSEEVENTF_RIGHTUP = 0x0010;
-
     public WindowLockScreen(AppSettings appSettings, IStringLocalizer<Lang> lang, ILogger logger)
     {
         InitializeComponent();
@@ -131,14 +109,6 @@ private void Timer_Tick(object? sender, EventArgs e)
         try
         {
             var time = DateTime.Now;
-            if (time.Second % 30 == 0)
-            {
-                if (_appSettings.IsDisableWindowsLock)
-                {
-                    _logger.Write("功能屏幕 -> 移动鼠标，防止 Windows 锁屏");
-                    DoMoveMouse();
-                }
-            }
             if (_appSettings.EnablePasswordBox)
             {
                 if (_appSettings.IsHidePasswordWindow)
@@ -189,15 +159,7 @@ private void TxtPassword_KeyDown(object sender, System.Windows.Input.KeyEventArg
             TxtPassword.Password = "";
         }
     }
-    private void DoMoveMouse()
-    {
-        var random = new Random();
-        var x = random.Next(0, 100);
-        var y = random.Next(0, 100);
 
-        MoveMouseToPoint(new Point(x, y));
-        mouse_event(MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_RIGHTUP, x, y, 0, 0);
-    }
     private void HidePassword()
     {
         _logger.Write("功能屏幕 -> 准备隐藏密码框");