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/* frmActivityWindow.cs $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr>.
It may be used under the terms of the GNU General Public License. */
using System;
using System.Collections;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Handbrake
{
public partial class frmActivityWindow : Form
{
String read_file;
Thread monitor;
frmMain mainWindow;
frmQueue queueWindow;
int position = 0; // Position in the arraylist reached by the current log output in the rtf box.
/// <summary>
/// This window should be used to display the RAW output of the handbrake CLI which is produced during an encode.
/// </summary>
///
public frmActivityWindow(string file, frmMain fm, frmQueue fq)
{
InitializeComponent();
this.rtf_actLog.Text = string.Empty;
mainWindow = fm;
queueWindow = fq;
read_file = file;
position = 0;
// System Information
Functions.SystemInfo info = new Functions.SystemInfo();
// Add a header to the log file indicating that it's from the Windows GUI and display the windows version
rtf_actLog.AppendText("### Windows GUI \n");
rtf_actLog.AppendText(String.Format("### Running: {0} \n###\n", Environment.OSVersion.ToString()));
rtf_actLog.AppendText(String.Format("### CPU: {0} \n", info.getCpuCount()));
rtf_actLog.AppendText(String.Format("### Ram: {0} MB \n", info.TotalPhysicalMemory()));
rtf_actLog.AppendText(String.Format("### Screen: {0}x{1} \n", info.screenBounds().Bounds.Width, info.screenBounds().Bounds.Height));
rtf_actLog.AppendText(String.Format("### Temp Dir: {0} \n", Path.GetTempPath()));
rtf_actLog.AppendText(String.Format("### Install Dir: {0} \n", Application.StartupPath));
rtf_actLog.AppendText(String.Format("### Data Dir: {0} \n", Application.UserAppDataPath));
rtf_actLog.AppendText("#########################################\n\n");
string logFile = Path.Combine(Path.GetTempPath(), read_file);
if (File.Exists(logFile))
{
// Start a new thread to run the autoUpdate process
monitor = new Thread(autoUpdate);
monitor.IsBackground = true;
monitor.Start();
}
else
rtf_actLog.AppendText("\n\n\nERROR: The log file could not be found. \nMaybe you cleared your system's tempory folder or maybe you just havn't run an encode yet. \nTried to find the log file in: " + logFile);
// When the window closes, we want to abort the monitor thread.
this.Disposed += new EventHandler(forceQuit);
}
private void forceQuit(object sender, EventArgs e)
{
if (monitor != null)
monitor.Abort();
this.Close();
}
// Update the Activity window every 5 seconds with the latest log data.
private void autoUpdate(object state)
{
Boolean lastUpdate = false;
updateTextFromThread();
while (true)
{
if ((mainWindow.isEncoding() == true) || (queueWindow.isEncoding() == true))
updateTextFromThread();
else
{
// The encode may just have stoped, so, refresh the log one more time before restarting it.
if (lastUpdate == false)
updateTextFromThread();
lastUpdate = true; // Prevents the log window from being updated when there is no encode going.
position = 0; // There is no encoding, so reset the log position counter to 0 so it can be reused
}
Thread.Sleep(5000);
}
}
private void updateTextFromThread()
{
string text = "";
List<string> data = readFile();
int count = data.Count;
while (position < count)
{
text = data[position].ToString();
if (data[position].ToString().Contains("has exited"))
text = "\n ############ End of Encode ############## \n";
position++;
SetText(text);
}
}
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
if (this.rtf_actLog.InvokeRequired)
{
SetTextCallback d = new SetTextCallback(SetText);
this.Invoke(d, new object[] { text });
}
else
{
this.rtf_actLog.AppendText(text);
}
}
private List<string> readFile()
{
// Ok, the task here is to, Get an arraylist of log data.
// And update some global varibles which are pointers to the last displayed log line.
List<string> logData = new List<string>();
try
{
// hb_encode_log.dat 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),
// we'll need to make a copy of it.
string logFile = Path.Combine(Path.GetTempPath(), read_file);
string logFile2 = Path.Combine(Path.GetTempPath(), "hb_encode_log_AppReadable.dat");
// Make sure the application readable log file does not already exist. FileCopy fill fail if it does.
if (File.Exists(logFile2))
File.Delete(logFile2);
// Copy the log file.
File.Copy(logFile, logFile2);
// Open the copied log file for reading
StreamReader sr = new StreamReader(logFile2);
string line = sr.ReadLine();
while (line != null)
{
if (line.Trim() != "")
logData.Add(line + System.Environment.NewLine);
line = sr.ReadLine();
}
sr.Close();
sr.Dispose();
return logData;
}
catch (Exception exc)
{
MessageBox.Show("Error in readFile() \n Unable to read the log file.\n You may have to restart HandBrake.\n Error Information: \n\n" + exc.ToString(), "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
return null;
}
}
}
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