Add Idle Util

IdleUtil/IdleUtil.cs

@@ -0,0 +1,167 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Threading;
+
+namespace Utils
+{
+    /// <summary>
+    /// <20><><EFBFBD>м<EFBFBD><D0BC>ع<EFBFBD><D8B9><EFBFBD>
+    /// <20>ṩ<EFBFBD><E1B9A9>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8>ʱ<EFBFBD><CAB1>δ<EFBFBD><CEB4><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Timeout<75>¼<EFBFBD>
+    /// </summary>
+    public class IdleUtil
+    {
+        #region Public
+
+        /// <summary>
+        /// <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>Ϊ<EFBFBD><CEAA>ʱ<EFBFBD><CAB1>
+        /// </summary>
+        /// <param name="dueTime"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룩</param>
+        public void Reset(int dueTime)
+        {
+            Start(dueTime);
+        }
+
+        /// <summary>
+        /// <20><><EFBFBD>ö<EFBFBD>ʱ<EFBFBD><CAB1>
+        /// </summary>
+        public void Reset()
+        {
+            Start(this.DueTime);
+        }
+
+        /// <summary>
+        /// <20><>ʼ<EFBFBD><CABC>ʱ
+        /// </summary>
+        /// <param name="dueTime"><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD><C2BC><EFBFBD><EFBFBD><EFBFBD><EFBFBD>룩</param>
+        public void Start(int dueTime)
+        {
+            DueTime = dueTime;
+            if (!IsRunning)
+            {
+                IsRunning = true;
+                MonitorThread = new Thread(Moniter) { IsBackground = true };
+                MonitorThread.Start();
+            }
+            Timer.Change(dueTime, Timeout.Infinite);
+        }
+
+        /// <summary>
+        /// ֹͣ<CDA3><D6B9>ʱ
+        /// </summary>
+        public void Stop()
+        {
+            IsRunning = false;
+            Timer.Change(Timeout.Infinite, Timeout.Infinite);
+        }
+
+        #endregion Public
+
+        #region Event
+
+        /// <summary>
+        /// <20><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>¼<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD>¼<EFBFBD>
+        /// </summary>
+        public event EventHandler TimeoutEvent;
+
+        #endregion Event
+
+        #region Ctor
+
+        public IdleUtil()
+        {
+            Timer = new Timer(OnTimeout);
+        }
+
+        #endregion Ctor
+
+        #region Private
+
+        /// <summary>
+        /// <20><>ʱ<EFBFBD><CAB1>
+        /// </summary>
+        private readonly Timer  Timer;
+
+        /// <summary>
+        /// <20>û<EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ʱʱ<CAB1><CAB1>
+        /// </summary>
+        private          int    DueTime;
+
+        /// <summary>
+        /// <20>߳<EFBFBD><DFB3>Ƿ<EFBFBD><C7B7><EFBFBD><EFBFBD><EFBFBD>
+        /// </summary>
+        private          bool   IsRunning;
+
+        /// <summary>
+        /// <20><><EFBFBD><EFBFBD><EFBFBD>߳<EFBFBD>
+        /// </summary>
+        private          Thread MonitorThread;
+        /// <summary>
+        /// <20><><EFBFBD><EFBFBD><EFBFBD>̷߳<DFB3><CCB7><EFBFBD>
+        /// </summary>
+        private void Moniter()
+        {
+            while (IsRunning)
+            {
+                if (GetLastInputTime() == 0)
+                    Reset();
+                Thread.Sleep(1000);
+            }
+        }
+
+        #endregion Private
+
+        #region Trigger
+
+        private void OnTimeout(object _)
+        {
+            if (TimeoutEvent != null)
+                TimeoutEvent(this, EventArgs.Empty);
+            // ֻ<><D6BB><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>
+            Timer.Change(Timeout.Infinite, Timeout.Infinite);
+        }
+
+        #endregion Trigger
+
+        #region WindowsAPI
+
+        [DllImport("user32.dll")]
+        private static extern bool GetLastInputInfo(ref LASTINPUTINFO plii);
+
+        /// <summary>
+        /// <20><>ȡ<EFBFBD>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>
+        /// </summary>
+        /// <returns><3E><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1></returns>
+        private static uint GetLastInputTime()
+        {
+            uint idleTime = 0;
+            LASTINPUTINFO lastInputInfo = new LASTINPUTINFO();
+            lastInputInfo.cbSize = (uint)Marshal.SizeOf(lastInputInfo);
+            lastInputInfo.dwTime = 0;
+
+            uint envTicks = (uint)Environment.TickCount;
+
+            if (GetLastInputInfo(ref lastInputInfo))
+            {
+                uint lastInputTick = lastInputInfo.dwTime;
+
+                idleTime = envTicks - lastInputTick;
+            }
+
+            return ((idleTime > 0) ? (idleTime / 1000) : 0);
+        }
+
+        [StructLayout(LayoutKind.Sequential)]
+        private struct LASTINPUTINFO
+        {
+            public static readonly int SizeOf = Marshal.SizeOf(typeof(LASTINPUTINFO));
+
+            [MarshalAs(UnmanagedType.U4)]
+            public UInt32 cbSize;
+
+            [MarshalAs(UnmanagedType.U4)]
+            public UInt32 dwTime;
+        }
+
+        #endregion WindowsAPI
+    }
+}