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()\r
  31         {\r
  32             InitializeComponent();\r
  33         }\r
  34         private void NewActivityWindow_Load(object sender, EventArgs e)\r
  35         {\r
  36             SetScanMode();\r
  37             monitor = new Thread(LogMonitor);\r
  38             _position = 0;\r
  39             kilLThread = false;\r
  40 \r
  41             try\r
  42             {\r
  43                 monitor.Start();\r
  44             }\r
  45             catch (Exception exc)\r
  46             {\r
  47                 MessageBox.Show(exc.ToString());\r
  48             }\r
  49         }\r
  50 \r
  51         private void LogMonitor()\r
  52         {\r
  53             while (true)\r
  54             {\r
  55                 if (!IsHandleCreated || kilLThread) // break out the thread if the window has been disposed.\r
  56                     break;\r
  57 \r
  58                 // Perform a reset if require.\r
  59                 // If we have switched to a different log file, we want to start from the beginning.\r
  60                 if (SetLogFile != _lastMode)\r
  61                 {\r
  62                     _position = 0;\r
  63                     ClearWindowText();\r
  64                     PrintLogHeader();\r
  65                 }\r
  66 \r
  67                 // Perform the window update\r
  68                 switch (SetLogFile)\r
  69                 {\r
  70                     case "last_scan_log.txt":\r
  71                         AppendWindowText(ReadFile("last_scan_log.txt"));\r
  72                         _lastMode = "last_scan_log.txt";\r
  73                         break;\r
  74                     case "last_encode_log.txt":\r
  75                         AppendWindowText(ReadFile("last_encode_log.txt"));\r
  76                         _lastMode = "last_encode_log.txt";\r
  77                         break;\r
  78                 }\r
  79 \r
  80                 Thread.Sleep(750);\r
  81             }\r
  82         }\r
  83         private StringBuilder ReadFile(string file)\r
  84         {\r
  85             StringBuilder appendText = new StringBuilder();\r
  86 \r
  87             // 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
  88             // we'll need to make a copy of it.\r
  89             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
  90             string logFile = Path.Combine(logDir, file);\r
  91             string logFile2 = Path.Combine(logDir, "tmp_appReadable_log.txt");\r
  92 \r
  93             try\r
  94             {\r
  95                 // Make sure the application readable log file does not already exist. FileCopy fill fail if it does.\r
  96                 if (File.Exists(logFile2))\r
  97                     File.Delete(logFile2);\r
  98 \r
  99                 // Copy the log file.\r
 100                 if (File.Exists(logFile))\r
 101                     File.Copy(logFile, logFile2, true);\r
 102                 else\r
 103                 {\r
 104                     appendText.AppendFormat("Waiting for the log file to be generated ...\n");\r
 105                     _position = 0;\r
 106                     ClearWindowText();\r
 107                     PrintLogHeader();\r
 108                     return appendText;\r
 109                 }\r
 110 \r
 111                 // Start the Reader\r
 112                 // Only use text which continues on from the last read line\r
 113                 StreamReader sr = new StreamReader(logFile2);\r
 114                 string line;\r
 115                 int i = 1;\r
 116                 while ((line = sr.ReadLine()) != null)\r
 117                 {\r
 118                     if (i > _position)\r
 119                     {\r
 120                         appendText.AppendLine(line);\r
 121                         _position++;\r
 122                     }\r
 123                     i++;\r
 124                 }\r
 125                 sr.Close();\r
 126                 sr.Dispose();\r
 127 \r
 128             }\r
 129             catch (Exception exc)\r
 130             {\r
 131                 appendText.AppendFormat("\nERROR: The Log file could not be read. You may need to restart HandBrake! " + exc);\r
 132                 _position = 0;\r
 133                 ClearWindowText();\r
 134             }\r
 135             return appendText;\r
 136         }\r
 137         private void AppendWindowText(StringBuilder text)\r
 138         {\r
 139             try\r
 140             {\r
 141                 if (IsHandleCreated)\r
 142                 {\r
 143                     if (rtf_actLog.InvokeRequired)\r
 144                     {\r
 145                         IAsyncResult invoked = BeginInvoke(new setTextCallback(AppendWindowText), new object[] { text });\r
 146                         EndInvoke(invoked);\r
 147                     }\r
 148                     else\r
 149                         rtf_actLog.AppendText(text.ToString());\r
 150                 }\r
 151             }\r
 152             catch (Exception exc)\r
 153             {\r
 154                 MessageBox.Show("SetWindowText(): Exception: \n" + exc);\r
 155             }\r
 156         }\r
 157         private void ClearWindowText()\r
 158         {\r
 159             try\r
 160             {\r
 161                 if (IsHandleCreated)\r
 162                 {\r
 163                     if (rtf_actLog.InvokeRequired)\r
 164                     {\r
 165                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(ClearWindowText));\r
 166                         EndInvoke(invoked);\r
 167                     }\r
 168                     else\r
 169                         rtf_actLog.Clear();\r
 170                 }\r
 171             }\r
 172             catch (Exception exc)\r
 173             {\r
 174                 MessageBox.Show("ClearWindowText(): Exception: \n" + exc);\r
 175             }\r
 176         }\r
 177         public void PrintLogHeader()\r
 178         {\r
 179             try\r
 180             {\r
 181                 if (IsHandleCreated)\r
 182                 {\r
 183                     if (rtf_actLog.InvokeRequired)\r
 184                     {\r
 185                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(PrintLogHeader));\r
 186                         EndInvoke(invoked);\r
 187                     }\r
 188                     else\r
 189                     {\r
 190                         // Print the log header. This function will be re-implimented later. Do not delete.\r
 191                         rtf_actLog.AppendText(String.Format("### Windows GUI {1} {0} \n", Properties.Settings.Default.hb_build, Properties.Settings.Default.hb_version));\r
 192                         rtf_actLog.AppendText(String.Format("### Running: {0} \n###\n", Environment.OSVersion));\r
 193                         rtf_actLog.AppendText(String.Format("### CPU: {0} \n", getCpuCount()));\r
 194                         rtf_actLog.AppendText(String.Format("### Ram: {0} MB \n", TotalPhysicalMemory()));\r
 195                         rtf_actLog.AppendText(String.Format("### Screen: {0}x{1} \n", screenBounds().Bounds.Width, screenBounds().Bounds.Height));\r
 196                         rtf_actLog.AppendText(String.Format("### Temp Dir: {0} \n", Path.GetTempPath()));\r
 197                         rtf_actLog.AppendText(String.Format("### Install Dir: {0} \n", Application.StartupPath));\r
 198                         rtf_actLog.AppendText(String.Format("### Data Dir: {0} \n", Application.UserAppDataPath));\r
 199                         rtf_actLog.AppendText("#########################################\n\n");\r
 200                     }\r
 201                 }\r
 202             }\r
 203             catch (Exception exc)\r
 204             {\r
 205                 MessageBox.Show("PrintLogHeader(): Exception: \n" + exc);\r
 206             }\r
 207 \r
 208         }\r
 209 \r
 210         #region Public\r
 211 \r
 212         public string SetLogFile\r
 213         {\r
 214             get { return string.IsNullOrEmpty(_currentMode) ? "" : _currentMode; }\r
 215             set { _currentMode = value; }\r
 216         }\r
 217         public void SetScanMode()\r
 218         {\r
 219             SetLogFile = "last_scan_log.txt";\r
 220             this.Text = "Activity Window (Scan Log)";\r
 221         }\r
 222         public void SetEncodeMode()\r
 223         {\r
 224             SetLogFile = "last_encode_log.txt";\r
 225             this.Text = "Activity Window (Enocde Log)";\r
 226         }\r
 227 \r
 228         #endregion\r
 229 \r
 230         #region User Interface\r
 231         private void mnu_copy_log_Click(object sender, EventArgs e)\r
 232         {\r
 233             if (rtf_actLog.SelectedText != "")\r
 234                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 235             else\r
 236                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 237         }\r
 238         private void mnu_openLogFolder_Click(object sender, EventArgs e)\r
 239         {\r
 240             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 241             string windir = Environment.GetEnvironmentVariable("WINDIR");\r
 242             System.Diagnostics.Process prc = new System.Diagnostics.Process();\r
 243             prc.StartInfo.FileName = windir + @"\explorer.exe";\r
 244             prc.StartInfo.Arguments = logDir;\r
 245             prc.Start();\r
 246         }\r
 247         private void btn_copy_Click(object sender, EventArgs e)\r
 248         {\r
 249             if (rtf_actLog.SelectedText != "")\r
 250                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 251             else\r
 252                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 253         }\r
 254         private void btn_scan_log_Click(object sender, EventArgs e)\r
 255         {\r
 256             SetScanMode();\r
 257         }\r
 258         private void btn_encode_log_Click(object sender, EventArgs e)\r
 259         {\r
 260             SetEncodeMode();\r
 261         }\r
 262         #endregion\r
 263 \r
 264         #region System Information\r
 265         /// <summary>\r
 266         /// Returns the total physical ram in a system\r
 267         /// </summary>\r
 268         /// <returns></returns>\r
 269         public uint TotalPhysicalMemory()\r
 270         {\r
 271             Win32.MEMORYSTATUS memStatus = new Win32.MEMORYSTATUS();\r
 272             Win32.GlobalMemoryStatus(ref memStatus);\r
 273 \r
 274             uint MemoryInfo = memStatus.dwTotalPhys;\r
 275             MemoryInfo = MemoryInfo / 1024 / 1024;\r
 276 \r
 277             return MemoryInfo;\r
 278         }\r
 279 \r
 280         /// <summary>\r
 281         /// Get the number of CPU Cores\r
 282         /// </summary>\r
 283         /// <returns>Object</returns>\r
 284         public Object getCpuCount()\r
 285         {\r
 286             RegistryKey RegKey = Registry.LocalMachine;\r
 287             RegKey = RegKey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");\r
 288             return RegKey.GetValue("ProcessorNameString");\r
 289         }\r
 290 \r
 291         /// <summary>\r
 292         /// Get the System screen size information.\r
 293         /// </summary>\r
 294         /// <returns>System.Windows.Forms.Scree</returns>\r
 295         public Screen screenBounds()\r
 296         {\r
 297             return Screen.PrimaryScreen;\r
 298         }\r
 299         #endregion\r
 300 \r
 301         protected override void OnClosing(CancelEventArgs e)\r
 302         {\r
 303             kilLThread = true;\r
 304             monitor.Join();\r
 305             e.Cancel = true;\r
 306             this.Dispose();\r
 307             base.OnClosing(e);\r
 308         }\r
 309     }\r
 310 }