win/C#/frmQueue.cs

   1 using System;\r
   2 using System.Collections.Generic;\r
   3 using System.ComponentModel;\r
   4 using System.Data;\r
   5 using System.Drawing;\r
   6 using System.Text;\r
   7 using System.Windows.Forms;\r
   8 using System.Threading;\r
   9 using System.Diagnostics;\r
  10 using System.Runtime.InteropServices;\r
  11 \r
  12 namespace Handbrake\r
  13 {\r
  14     public partial class frmQueue : Form\r
  15     {\r
  16         private delegate void ProgressUpdateHandler();\r
  17 \r
  18         public frmQueue()\r
  19         {\r
  20             InitializeComponent();\r
  21         }\r
  22 \r
  23         int initialListCount = 0;\r
  24         bool started = false;\r
  25 \r
  26       \r
  27         private void btn_q_encoder_Click(object sender, EventArgs e)\r
  28         {\r
  29             progressBar.Value = 0;\r
  30             lbl_progressValue.Text = "0 %";\r
  31             progressBar.Step = 100 / list_queue.Items.Count;\r
  32             progressBar.Update();\r
  33             ThreadPool.QueueUserWorkItem(startProc);\r
  34         }\r
  35 \r
  36         /*\r
  37          * \r
  38          * Code to Handle the CLI and updating of the UI as each process is completed.\r
  39          * \r
  40          */\r
  41 \r
  42         [DllImport("user32.dll")]\r
  43         public static extern void LockWorkStation();\r
  44         [DllImport("user32.dll")]\r
  45         public static extern int ExitWindowsEx(int uFlags, int dwReason); \r
  46 \r
  47 \r
  48         private void startProc(object state)\r
  49         {\r
  50             started = true;\r
  51             initialListCount = list_queue.Items.Count;\r
  52             for (int i = 0; i < initialListCount; i++)\r
  53             {\r
  54                 string query = list_queue.Items[0].ToString();\r
  55 \r
  56                 Functions.CLI process = new Functions.CLI();\r
  57                 Process hbProc = process.runCli(this, query, false, false, false, false);\r
  58                 \r
  59                 hbProc.WaitForExit();\r
  60                 hbProc.Close();\r
  61                 hbProc.Dispose();\r
  62                 updateUIElements();\r
  63 \r
  64                 if ((initialListCount - i) != (list_queue.Items.Count))\r
  65                 {\r
  66                     initialListCount++;\r
  67                 }\r
  68             }\r
  69             started = false;\r
  70             resetQueue();\r
  71 \r
  72             // Do something whent he encode ends.\r
  73             switch (Properties.Settings.Default.CompletionOption)\r
  74             {\r
  75                 case "Shutdown":\r
  76                     System.Diagnostics.Process.Start("Shutdown", "-s -t 60");\r
  77                     break;\r
  78                 case "Log Off":\r
  79                     ExitWindowsEx(0, 0);\r
  80                     break;\r
  81                 case "Suspend":\r
  82                     Application.SetSuspendState(PowerState.Suspend, true, true);\r
  83                     break;\r
  84                 case "Hibernate":\r
  85                     Application.SetSuspendState(PowerState.Hibernate, true, true);\r
  86                     break;\r
  87                 case "Lock System":\r
  88                     LockWorkStation();\r
  89                     break;\r
  90                 default:\r
  91                     break;\r
  92             }\r
  93 \r
  94             MessageBox.Show("Encode Queue Completed!", "Alert", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);\r
  95         }\r
  96 \r
  97         private void updateUIElements()\r
  98         {\r
  99             if (this.InvokeRequired)\r
 100             {\r
 101                 this.BeginInvoke(new ProgressUpdateHandler(updateUIElements));\r
 102                 return;\r
 103             }\r
 104             this.list_queue.Items.RemoveAt(0);\r
 105 \r
 106             progressBar.PerformStep();\r
 107             lbl_progressValue.Text = string.Format("{0} %", progressBar.Value);\r
 108             progressBar.Update();\r
 109         }\r
 110 \r
 111         private void resetQueue()\r
 112         {\r
 113             if (this.InvokeRequired)\r
 114             {\r
 115                 this.BeginInvoke(new ProgressUpdateHandler(resetQueue));\r
 116                 return;\r
 117             }\r
 118             lbl_progressValue.Text = "0 %";\r
 119             progressBar.Value = 0;\r
 120             progressBar.Update();\r
 121         }\r
 122 \r
 123         /*\r
 124          * \r
 125          * Code to Re-arrange / Delete items from the Queue\r
 126          * \r
 127          */\r
 128         #region Queue Management\r
 129 \r
 130         private void btn_up_Click(object sender, EventArgs e)\r
 131         {\r
 132             int count = list_queue.Items.Count;\r
 133             int itemToMove = list_queue.SelectedIndex;\r
 134             int previousItemint = 0;\r
 135             String previousItem = "";\r
 136 \r
 137             if (itemToMove > 0)\r
 138             {\r
 139                 previousItemint = itemToMove - 1;\r
 140                 previousItem = list_queue.Items[previousItemint].ToString();\r
 141                 list_queue.Items[previousItemint] = list_queue.Items[itemToMove];\r
 142                 list_queue.Items[itemToMove] = previousItem;\r
 143                 list_queue.SelectedIndex = list_queue.SelectedIndex - 1;\r
 144             }\r
 145         }\r
 146 \r
 147         private void btn_down_Click(object sender, EventArgs e)\r
 148         {\r
 149             int count = list_queue.Items.Count;\r
 150             int itemToMove = list_queue.SelectedIndex;\r
 151             int itemAfterInt = 0;\r
 152             String itemAfter = "";\r
 153 \r
 154             if (itemToMove < (count - 1))\r
 155             {\r
 156                 itemAfterInt = itemToMove + 1;\r
 157                 itemAfter = list_queue.Items[itemAfterInt].ToString();\r
 158                 list_queue.Items[itemAfterInt] = list_queue.Items[itemToMove];\r
 159                 list_queue.Items[itemToMove] = itemAfter;\r
 160                 list_queue.SelectedIndex = list_queue.SelectedIndex + 1;\r
 161             }\r
 162         }\r
 163 \r
 164         private void btn_delete_Click(object sender, EventArgs e)\r
 165         {\r
 166             list_queue.Items.Remove(list_queue.SelectedItem);\r
 167             if (started == true)\r
 168                 initialListCount--;\r
 169         }\r
 170         #endregion\r
 171 \r
 172         /*\r
 173          * Hide the Queue Window\r
 174          */\r
 175         private void btn_Close_Click(object sender, EventArgs e)\r
 176         {\r
 177             this.Hide();\r
 178         }\r
 179 \r
 180         private void btn_minimise_Click(object sender, EventArgs e)\r
 181         {\r
 182             this.WindowState = FormWindowState.Minimized;\r
 183         }\r
 184     }\r
 185 }