win/C#/frmActivityWindow.cs

   1 /*  frmActivityWindow.cs $\r
   2         \r
   3            This file is part of the HandBrake source code.\r
   4            Homepage: <http://handbrake.fr>.\r
   5            It may be used under the terms of the GNU General Public License. */\r
   6 \r
   7 using System;\r
   8 using System.ComponentModel;\r
   9 using System.Text;\r
  10 using System.Windows.Forms;\r
  11 using System.IO;\r
  12 using System.Threading;\r
  13 using Handbrake.EncodeQueue;\r
  14 using Handbrake.Functions;\r
  15 using Microsoft.Win32;\r
  16 \r
  17 \r
  18 namespace Handbrake\r
  19 {\r
  20     public partial class frmActivityWindow : Form\r
  21     {\r
  22         private delegate void setTextCallback(StringBuilder text);\r
  23         private delegate void setTextClearCallback();\r
  24         private static int _position;\r
  25         private static string _lastMode;\r
  26         private static string _currentMode;\r
  27         private Thread monitor;\r
  28         private Boolean kilLThread;\r
  29 \r
  30         public frmActivityWindow(string mode)\r
  31         {\r
  32             if (mode == "scan")\r
  33                 SetScanMode();\r
  34             else\r
  35                 SetEncodeMode();\r
  36 \r
  37             InitializeComponent();\r
  38         }\r
  39         private void NewActivityWindow_Load(object sender, EventArgs e)\r
  40         {\r
  41             monitor = new Thread(LogMonitor);\r
  42             _position = 0;\r
  43             kilLThread = false;\r
  44 \r
  45             try\r
  46             {\r
  47                 monitor.Start();\r
  48             }\r
  49             catch (Exception exc)\r
  50             {\r
  51                 MessageBox.Show(exc.ToString());\r
  52             }\r
  53         }\r
  54 \r
  55         private void LogMonitor()\r
  56         {\r
  57             while (true)\r
  58             {\r
  59                 if (!IsHandleCreated || kilLThread) // break out the thread if the window has been disposed.\r
  60                     break;\r
  61 \r
  62                 // Perform a reset if require.\r
  63                 // If we have switched to a different log file, we want to start from the beginning.\r
  64                 if (SetLogFile != _lastMode)\r
  65                 {\r
  66                     _position = 0;\r
  67                     ClearWindowText();\r
  68                     PrintLogHeader();\r
  69                 }\r
  70 \r
  71                 // Perform the window update\r
  72                 switch (SetLogFile)\r
  73                 {\r
  74                     case "last_scan_log.txt":\r
  75                         AppendWindowText(ReadFile("last_scan_log.txt"));\r
  76                         _lastMode = "last_scan_log.txt";\r
  77                         break;\r
  78                     case "last_encode_log.txt":\r
  79                         AppendWindowText(ReadFile("last_encode_log.txt"));\r
  80                         _lastMode = "last_encode_log.txt";\r
  81                         break;\r
  82                 }\r
  83 \r
  84                 try\r
  85                 {\r
  86                     Thread.Sleep(1000);\r
  87                 }\r
  88                 catch (ThreadInterruptedException)\r
  89                 {\r
  90                     // Do Nothnig.\r
  91                 }\r
  92 \r
  93             }\r
  94         }\r
  95         private StringBuilder ReadFile(string file)\r
  96         {\r
  97             StringBuilder appendText = new StringBuilder();\r
  98 \r
  99             // last_encode_log.txt is the primary log file. Since .NET can't read this file whilst the CLI is outputing to it (Not even in read only mode),\r
 100             // we'll need to make a copy of it.\r
 101             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 102             string logFile = Path.Combine(logDir, file);\r
 103             string logFile2 = Path.Combine(logDir, "tmp_appReadable_log.txt");\r
 104 \r
 105             try\r
 106             {\r
 107                 // Make sure the application readable log file does not already exist. FileCopy fill fail if it does.\r
 108                 if (File.Exists(logFile2))\r
 109                     File.Delete(logFile2);\r
 110 \r
 111                 // Copy the log file.\r
 112                 if (File.Exists(logFile))\r
 113                     File.Copy(logFile, logFile2, true);\r
 114                 else\r
 115                 {\r
 116                     appendText.AppendFormat("Waiting for the log file to be generated ...\n");\r
 117                     _position = 0;\r
 118                     ClearWindowText();\r
 119                     PrintLogHeader();\r
 120                     return appendText;\r
 121                 }\r
 122 \r
 123                 // Start the Reader\r
 124                 // Only use text which continues on from the last read line\r
 125                 StreamReader sr = new StreamReader(logFile2);\r
 126                 string line;\r
 127                 int i = 1;\r
 128                 while ((line = sr.ReadLine()) != null)\r
 129                 {\r
 130                     if (i > _position)\r
 131                     {\r
 132                         appendText.AppendLine(line);\r
 133                         _position++;\r
 134                     }\r
 135                     i++;\r
 136                 }\r
 137                 sr.Close();\r
 138                 sr.Dispose();\r
 139 \r
 140             }\r
 141             catch (Exception exc)\r
 142             {\r
 143                 appendText.AppendFormat("\nERROR: The Log file could not be read. You may need to restart HandBrake! " + exc);\r
 144                 _position = 0;\r
 145                 ClearWindowText();\r
 146             }\r
 147             return appendText;\r
 148         }\r
 149         private void AppendWindowText(StringBuilder text)\r
 150         {\r
 151             try\r
 152             {\r
 153                 if (IsHandleCreated)\r
 154                 {\r
 155                     if (rtf_actLog.InvokeRequired)\r
 156                     {\r
 157                         IAsyncResult invoked = BeginInvoke(new setTextCallback(AppendWindowText), new object[] { text });\r
 158                         EndInvoke(invoked);\r
 159                     }\r
 160                     else\r
 161                         rtf_actLog.AppendText(text.ToString());\r
 162                 }\r
 163             } catch(ThreadInterruptedException)\r
 164             {\r
 165                 // Do Nothing\r
 166             }\r
 167             catch (Exception exc)\r
 168             {\r
 169                 MessageBox.Show("SetWindowText(): Exception: \n" + exc);\r
 170             }\r
 171         }\r
 172         private void ClearWindowText()\r
 173         {\r
 174             try\r
 175             {\r
 176                 if (IsHandleCreated)\r
 177                 {\r
 178                     if (rtf_actLog.InvokeRequired)\r
 179                     {\r
 180                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(ClearWindowText));\r
 181                         EndInvoke(invoked);\r
 182                     }\r
 183                     else\r
 184                         rtf_actLog.Clear();\r
 185                 }\r
 186             }\r
 187             catch (Exception exc)\r
 188             {\r
 189                 MessageBox.Show("ClearWindowText(): Exception: \n" + exc);\r
 190             }\r
 191         }\r
 192         public void PrintLogHeader()\r
 193         {\r
 194             try\r
 195             {\r
 196                 if (IsHandleCreated)\r
 197                 {\r
 198                     if (rtf_actLog.InvokeRequired)\r
 199                     {\r
 200                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(PrintLogHeader));\r
 201                         EndInvoke(invoked);\r
 202                     }\r
 203                     else\r
 204                     {\r
 205                         // Print the log header. This function will be re-implimented later. Do not delete.\r
 206                         rtf_actLog.AppendText(String.Format("### Windows GUI {1} {0} \n", Properties.Settings.Default.hb_build, Properties.Settings.Default.hb_version));\r
 207                         rtf_actLog.AppendText(String.Format("### Running: {0} \n###\n", Environment.OSVersion));\r
 208                         rtf_actLog.AppendText(String.Format("### CPU: {0} \n", getCpuCount()));\r
 209                         rtf_actLog.AppendText(String.Format("### Ram: {0} MB \n", TotalPhysicalMemory()));\r
 210                         rtf_actLog.AppendText(String.Format("### Screen: {0}x{1} \n", screenBounds().Bounds.Width, screenBounds().Bounds.Height));\r
 211                         rtf_actLog.AppendText(String.Format("### Temp Dir: {0} \n", Path.GetTempPath()));\r
 212                         rtf_actLog.AppendText(String.Format("### Install Dir: {0} \n", Application.StartupPath));\r
 213                         rtf_actLog.AppendText(String.Format("### Data Dir: {0} \n", Application.UserAppDataPath));\r
 214                         rtf_actLog.AppendText("#########################################\n\n");\r
 215                     }\r
 216                 }\r
 217             }\r
 218             catch (Exception exc)\r
 219             {\r
 220                 MessageBox.Show("PrintLogHeader(): Exception: \n" + exc);\r
 221             }\r
 222 \r
 223         }\r
 224 \r
 225         #region Public\r
 226 \r
 227         public string SetLogFile\r
 228         {\r
 229             get { return string.IsNullOrEmpty(_currentMode) ? "" : _currentMode; }\r
 230             set { _currentMode = value; }\r
 231         }\r
 232         public void SetScanMode()\r
 233         {\r
 234             SetLogFile = "last_scan_log.txt";\r
 235             this.Text = "Activity Window (Scan Log)";\r
 236         }\r
 237         public void SetEncodeMode()\r
 238         {\r
 239             SetLogFile = "last_encode_log.txt";\r
 240             this.Text = "Activity Window (Enocde Log)";\r
 241         }\r
 242 \r
 243         #endregion\r
 244 \r
 245         #region User Interface\r
 246         private void mnu_copy_log_Click(object sender, EventArgs e)\r
 247         {\r
 248             if (rtf_actLog.SelectedText != "")\r
 249                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 250             else\r
 251                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 252         }\r
 253         private void mnu_openLogFolder_Click(object sender, EventArgs e)\r
 254         {\r
 255             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 256             string windir = Environment.GetEnvironmentVariable("WINDIR");\r
 257             System.Diagnostics.Process prc = new System.Diagnostics.Process();\r
 258             prc.StartInfo.FileName = windir + @"\explorer.exe";\r
 259             prc.StartInfo.Arguments = logDir;\r
 260             prc.Start();\r
 261         }\r
 262         private void btn_copy_Click(object sender, EventArgs e)\r
 263         {\r
 264             if (rtf_actLog.SelectedText != "")\r
 265                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 266             else\r
 267                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 268         }\r
 269         private void btn_scan_log_Click(object sender, EventArgs e)\r
 270         {\r
 271             SetScanMode();\r
 272         }\r
 273         private void btn_encode_log_Click(object sender, EventArgs e)\r
 274         {\r
 275             SetEncodeMode();\r
 276         }\r
 277         #endregion\r
 278 \r
 279         #region System Information\r
 280         /// <summary>\r
 281         /// Returns the total physical ram in a system\r
 282         /// </summary>\r
 283         /// <returns></returns>\r
 284         public uint TotalPhysicalMemory()\r
 285         {\r
 286             Win32.MEMORYSTATUS memStatus = new Win32.MEMORYSTATUS();\r
 287             Win32.GlobalMemoryStatus(ref memStatus);\r
 288 \r
 289             uint MemoryInfo = memStatus.dwTotalPhys;\r
 290             MemoryInfo = MemoryInfo / 1024 / 1024;\r
 291 \r
 292             return MemoryInfo;\r
 293         }\r
 294 \r
 295         /// <summary>\r
 296         /// Get the number of CPU Cores\r
 297         /// </summary>\r
 298         /// <returns>Object</returns>\r
 299         public Object getCpuCount()\r
 300         {\r
 301             RegistryKey RegKey = Registry.LocalMachine;\r
 302             RegKey = RegKey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");\r
 303             return RegKey.GetValue("ProcessorNameString");\r
 304         }\r
 305 \r
 306         /// <summary>\r
 307         /// Get the System screen size information.\r
 308         /// </summary>\r
 309         /// <returns>System.Windows.Forms.Scree</returns>\r
 310         public Screen screenBounds()\r
 311         {\r
 312             return Screen.PrimaryScreen;\r
 313         }\r
 314         #endregion\r
 315 \r
 316         protected override void OnClosing(CancelEventArgs e)\r
 317         {\r
 318             kilLThread = true;\r
 319             monitor.Interrupt();\r
 320             monitor.Join();\r
 321             e.Cancel = true;\r
 322             this.Dispose();\r
 323             base.OnClosing(e);\r
 324         }\r
 325     }\r
 326 }