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.Functions;\r
  14 using Microsoft.Win32;\r
  15 \r
  16 \r
  17 namespace Handbrake\r
  18 {\r
  19     public partial class frmActivityWindow : Form\r
  20     {\r
  21         private delegate void setTextCallback(StringBuilder text);\r
  22         private delegate void setTextClearCallback();\r
  23         private static int _position;\r
  24         private static string _lastMode;\r
  25         private static string _currentMode;\r
  26         private Thread _monitor;\r
  27         private Boolean _kilLThread;\r
  28 \r
  29         public frmActivityWindow(string mode)\r
  30         {\r
  31             _kilLThread = false;\r
  32             _position = 0;\r
  33             if (mode == "scan")\r
  34                 SetScanMode();\r
  35             else\r
  36                 SetEncodeMode();\r
  37 \r
  38             InitializeComponent();\r
  39         }\r
  40         private void NewActivityWindow_Load(object sender, EventArgs e)\r
  41         {\r
  42             _monitor = new Thread(LogMonitor);\r
  43             \r
  44             try\r
  45             {\r
  46                 _monitor.Start();\r
  47             }\r
  48             catch (Exception exc)\r
  49             {\r
  50                 MessageBox.Show("Unable to monitor HandBrakes log files. Please report this error. If the problem presists, try rebooting your computer.\n\n Debug Informaton:\n" + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
  51             }\r
  52         }\r
  53 \r
  54         private void LogMonitor()\r
  55         {\r
  56             while (true)\r
  57             {\r
  58                 if (!IsHandleCreated || _kilLThread) // break out the thread if the window has been disposed.\r
  59                     break;\r
  60 \r
  61                 // Perform a reset if require.\r
  62                 // If we have switched to a different log file, we want to start from the beginning.\r
  63                 if (SetLogFile != _lastMode)\r
  64                     Reset();\r
  65 \r
  66                 // Perform the window update\r
  67                 switch (SetLogFile)\r
  68                 {\r
  69                     case "last_scan_log.txt":\r
  70                         AppendWindowText(ReadFile("last_scan_log.txt"));\r
  71                         _lastMode = "last_scan_log.txt";\r
  72                         break;\r
  73                     case "last_encode_log.txt":\r
  74                         AppendWindowText(ReadFile("last_encode_log.txt"));\r
  75                         _lastMode = "last_encode_log.txt";\r
  76                         break;\r
  77                 }\r
  78 \r
  79                 try\r
  80                 {\r
  81                     Thread.Sleep(1000);\r
  82                 }\r
  83                 catch (ThreadInterruptedException)\r
  84                 {\r
  85                     // Do Nothnig.\r
  86                 }\r
  87 \r
  88             }\r
  89         }\r
  90         private StringBuilder ReadFile(string file)\r
  91         {\r
  92             StringBuilder appendText = new StringBuilder();\r
  93 \r
  94             // 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
  95             // we'll need to make a copy of it.\r
  96             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
  97             string logFile = Path.Combine(logDir, file);\r
  98             string logFile2 = Path.Combine(logDir, "tmp_appReadable_log.txt");\r
  99 \r
 100             try\r
 101             {\r
 102                 // Make sure the application readable log file does not already exist. FileCopy fill fail if it does.\r
 103                 if (File.Exists(logFile2))\r
 104                     File.Delete(logFile2);\r
 105 \r
 106                 // Copy the log file.\r
 107                 if (File.Exists(logFile))\r
 108                     File.Copy(logFile, logFile2, true);\r
 109                 else\r
 110                 {\r
 111                     appendText.AppendFormat("Waiting for the log file to be generated ...\n");\r
 112                     _position = 0;\r
 113                     ClearWindowText();\r
 114                     PrintLogHeader();\r
 115                     return appendText;\r
 116                 }\r
 117 \r
 118                 // Start the Reader\r
 119                 // Only use text which continues on from the last read line\r
 120                 StreamReader sr = new StreamReader(logFile2);\r
 121                 string line;\r
 122                 int i = 1;\r
 123                 while ((line = sr.ReadLine()) != null)\r
 124                 {\r
 125                     if (i > _position)\r
 126                     {\r
 127                         appendText.AppendLine(line);\r
 128                         _position++;\r
 129                     }\r
 130                     i++;\r
 131                 }\r
 132                 sr.Close();\r
 133                 sr.Dispose();\r
 134 \r
 135             }\r
 136             catch (Exception exc)\r
 137             {\r
 138                 appendText.AppendFormat("\n The Log file could not be read. You may need to restart HandBrake! " + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);\r
 139                 _position = 0;\r
 140                 ClearWindowText();\r
 141             }\r
 142             return appendText;\r
 143         }\r
 144         private void AppendWindowText(StringBuilder text)\r
 145         {\r
 146             try\r
 147             {\r
 148                 if (IsHandleCreated)\r
 149                 {\r
 150                     if (rtf_actLog.InvokeRequired)\r
 151                     {\r
 152                         IAsyncResult invoked = BeginInvoke(new setTextCallback(AppendWindowText), new object[] { text });\r
 153                         EndInvoke(invoked);\r
 154                     }\r
 155                     else\r
 156                         rtf_actLog.AppendText(text.ToString());\r
 157                 }\r
 158             } catch(ThreadInterruptedException)\r
 159             {\r
 160                 // Do Nothing\r
 161             }\r
 162             catch (Exception exc)\r
 163             {\r
 164                 MessageBox.Show("Unless you are having problems, you can probably ignore this error. It would not hurt to report this error!\n\nSetWindowText(): Exception: \n" + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);\r
 165             }\r
 166         }\r
 167         private void ClearWindowText()\r
 168         {\r
 169             try\r
 170             {\r
 171                 if (IsHandleCreated)\r
 172                 {\r
 173                     if (rtf_actLog.InvokeRequired)\r
 174                     {\r
 175                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(ClearWindowText));\r
 176                         EndInvoke(invoked);\r
 177                     }\r
 178                     else\r
 179                         rtf_actLog.Clear();\r
 180                 }\r
 181             }\r
 182             catch (Exception exc)\r
 183             {\r
 184                 MessageBox.Show("Unless you are having problems, you can probably ignore this error. It would not hurt to report this error!\n\nClearWindowText(): Exception: \n" + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);\r
 185             }\r
 186         }\r
 187         private void PrintLogHeader()\r
 188         {\r
 189             try\r
 190             {\r
 191                 if (IsHandleCreated)\r
 192                 {\r
 193                     if (rtf_actLog.InvokeRequired)\r
 194                     {\r
 195                         IAsyncResult invoked = BeginInvoke(new setTextClearCallback(PrintLogHeader));\r
 196                         EndInvoke(invoked);\r
 197                     }\r
 198                     else\r
 199                     {\r
 200                         // Print the log header. This function will be re-implimented later. Do not delete.\r
 201                         rtf_actLog.AppendText(String.Format("### Windows GUI {1} {0} \n", Properties.Settings.Default.hb_build, Properties.Settings.Default.hb_version));\r
 202                         rtf_actLog.AppendText(String.Format("### Running: {0} \n###\n", Environment.OSVersion));\r
 203                         rtf_actLog.AppendText(String.Format("### CPU: {0} \n", getCpuCount()));\r
 204                         rtf_actLog.AppendText(String.Format("### Ram: {0} MB \n", TotalPhysicalMemory()));\r
 205                         rtf_actLog.AppendText(String.Format("### Screen: {0}x{1} \n", screenBounds().Bounds.Width, screenBounds().Bounds.Height));\r
 206                         rtf_actLog.AppendText(String.Format("### Temp Dir: {0} \n", Path.GetTempPath()));\r
 207                         rtf_actLog.AppendText(String.Format("### Install Dir: {0} \n", Application.StartupPath));\r
 208                         rtf_actLog.AppendText(String.Format("### Data Dir: {0} \n", Application.UserAppDataPath));\r
 209                         rtf_actLog.AppendText("#########################################\n\n");\r
 210                     }\r
 211                 }\r
 212             }\r
 213             catch (Exception exc)\r
 214             {\r
 215                 MessageBox.Show("Unless you are having problems, you can probably ignore this error. It would not hurt to report this error!\n\nPrintLogHeader(): Exception: \n" + exc, "Error", MessageBoxButtons.OK, MessageBoxIcon.Information);\r
 216             }\r
 217 \r
 218         }\r
 219         private void Reset()\r
 220         {\r
 221             _position = 0;\r
 222             ClearWindowText();\r
 223             PrintLogHeader();\r
 224         }\r
 225 \r
 226         #region Public\r
 227 \r
 228         public string SetLogFile\r
 229         {\r
 230             get { return string.IsNullOrEmpty(_currentMode) ? "" : _currentMode; }\r
 231             set { _currentMode = value; }\r
 232         }\r
 233         public void SetScanMode()\r
 234         {\r
 235             Reset();\r
 236             SetLogFile = "last_scan_log.txt";\r
 237             this.Text = "Activity Window (Scan Log)";\r
 238         }\r
 239         public void SetEncodeMode()\r
 240         {\r
 241             Reset();\r
 242             SetLogFile = "last_encode_log.txt";\r
 243             this.Text = "Activity Window (Enocde Log)";\r
 244         }\r
 245 \r
 246         #endregion\r
 247 \r
 248         #region User Interface\r
 249         private void mnu_copy_log_Click(object sender, EventArgs e)\r
 250         {\r
 251             if (rtf_actLog.SelectedText != "")\r
 252                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 253             else\r
 254                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 255         }\r
 256         private void mnu_openLogFolder_Click(object sender, EventArgs e)\r
 257         {\r
 258             string logDir = Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + "\\HandBrake\\logs";\r
 259             string windir = Environment.GetEnvironmentVariable("WINDIR");\r
 260             System.Diagnostics.Process prc = new System.Diagnostics.Process();\r
 261             prc.StartInfo.FileName = windir + @"\explorer.exe";\r
 262             prc.StartInfo.Arguments = logDir;\r
 263             prc.Start();\r
 264         }\r
 265         private void btn_copy_Click(object sender, EventArgs e)\r
 266         {\r
 267             if (rtf_actLog.SelectedText != "")\r
 268                 Clipboard.SetDataObject(rtf_actLog.SelectedText, true);\r
 269             else\r
 270                 Clipboard.SetDataObject(rtf_actLog.Text, true);\r
 271         }\r
 272         private void btn_scan_log_Click(object sender, EventArgs e)\r
 273         {\r
 274             SetScanMode();\r
 275         }\r
 276         private void btn_encode_log_Click(object sender, EventArgs e)\r
 277         {\r
 278             SetEncodeMode();\r
 279         }\r
 280         #endregion\r
 281 \r
 282         #region System Information\r
 283         /// <summary>\r
 284         /// Returns the total physical ram in a system\r
 285         /// </summary>\r
 286         /// <returns></returns>\r
 287         public uint TotalPhysicalMemory()\r
 288         {\r
 289             Win32.MEMORYSTATUS memStatus = new Win32.MEMORYSTATUS();\r
 290             Win32.GlobalMemoryStatus(ref memStatus);\r
 291 \r
 292             uint MemoryInfo = memStatus.dwTotalPhys;\r
 293             MemoryInfo = MemoryInfo / 1024 / 1024;\r
 294 \r
 295             return MemoryInfo;\r
 296         }\r
 297 \r
 298         /// <summary>\r
 299         /// Get the number of CPU Cores\r
 300         /// </summary>\r
 301         /// <returns>Object</returns>\r
 302         public Object getCpuCount()\r
 303         {\r
 304             RegistryKey RegKey = Registry.LocalMachine;\r
 305             RegKey = RegKey.OpenSubKey("HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0");\r
 306             return RegKey.GetValue("ProcessorNameString");\r
 307         }\r
 308 \r
 309         /// <summary>\r
 310         /// Get the System screen size information.\r
 311         /// </summary>\r
 312         /// <returns>System.Windows.Forms.Scree</returns>\r
 313         public Screen screenBounds()\r
 314         {\r
 315             return Screen.PrimaryScreen;\r
 316         }\r
 317         #endregion\r
 318 \r
 319         protected override void OnClosing(CancelEventArgs e)\r
 320         {\r
 321             _kilLThread = true;\r
 322             _monitor.Interrupt();\r
 323             _monitor.Join();\r
 324             e.Cancel = true;\r
 325             this.Dispose();\r
 326             base.OnClosing(e);\r
 327         }\r
 328     }\r
 329 }