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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Threading;
using System.Diagnostics;
using System.Runtime.InteropServices;
namespace Handbrake
{
public partial class frmQueue : Form
{
private delegate void ProgressUpdateHandler();
public frmQueue()
{
InitializeComponent();
}
#region Queue Handling
Boolean cancel = false;
private void btn_q_encoder_Click(object sender, EventArgs e)
{
// Reset some values
lbl_status.Visible = false;
cancel = false;
// Start the encode
try
{
if (list_queue.Items.Count != 0)
{
// Setup or reset some values
btn_cancel.Visible = true;
progressBar.Value = 0;
lbl_progressValue.Text = "0 %";
progressBar.Step = 100 / list_queue.Items.Count;
progressBar.Update();
ThreadPool.QueueUserWorkItem(startProc);
}
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
private void btn_cancel_Click(object sender, EventArgs e)
{
cancel = true;
btn_cancel.Visible = false;
MessageBox.Show("No further items on the queue will start. The current encode process will continue until it is finished. \nClick 'Encode Video' when you wish to continue encoding the queue.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
[DllImport("user32.dll")]
public static extern void LockWorkStation();
[DllImport("user32.dll")]
public static extern int ExitWindowsEx(int uFlags, int dwReason);
private void startProc(object state)
{
try
{
while (list_queue.Items.Count != 0)
{
string query = list_queue.Items[0].ToString();
updateUIElements();
Functions.CLI process = new Functions.CLI();
Process hbProc = process.runCli(this, query, false, false, false, false);
hbProc.WaitForExit();
hbProc.Close();
hbProc.Dispose();
query = "";
if (cancel == true)
{
break;
}
}
resetQueue();
// Do something whent he encode ends.
switch (Properties.Settings.Default.CompletionOption)
{
case "Shutdown":
System.Diagnostics.Process.Start("Shutdown", "-s -t 60");
break;
case "Log Off":
ExitWindowsEx(0, 0);
break;
case "Suspend":
Application.SetSuspendState(PowerState.Suspend, true, true);
break;
case "Hibernate":
Application.SetSuspendState(PowerState.Hibernate, true, true);
break;
case "Lock System":
LockWorkStation();
break;
case "Quit HandBrake":
Application.Exit();
break;
default:
break;
}
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
private void updateUIElements()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new ProgressUpdateHandler(updateUIElements));
return;
}
this.list_queue.Items.RemoveAt(0);
progressBar.PerformStep();
lbl_progressValue.Text = string.Format("{0} %", progressBar.Value);
progressBar.Update();
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
private void resetQueue()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new ProgressUpdateHandler(resetQueue));
return;
}
if (cancel == true)
{
lbl_status.Visible = true;
lbl_status.Text = "Encode Queue Cancelled!";
}
else
{
lbl_status.Visible = true;
lbl_status.Text = "Encode Queue Completed!";
}
btn_cancel.Visible = false;
lbl_progressValue.Text = "0 %";
progressBar.Value = 0;
progressBar.Update();
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
#endregion
#region Queue Management
private void btn_up_Click(object sender, EventArgs e)
{
int count = list_queue.Items.Count;
int itemToMove = list_queue.SelectedIndex;
int previousItemint = 0;
String previousItem = "";
if (itemToMove > 0)
{
previousItemint = itemToMove - 1;
previousItem = list_queue.Items[previousItemint].ToString();
list_queue.Items[previousItemint] = list_queue.Items[itemToMove];
list_queue.Items[itemToMove] = previousItem;
list_queue.SelectedIndex = list_queue.SelectedIndex - 1;
}
}
private void btn_down_Click(object sender, EventArgs e)
{
int count = list_queue.Items.Count;
int itemToMove = list_queue.SelectedIndex;
int itemAfterInt = 0;
String itemAfter = "";
if (itemToMove < (count - 1))
{
itemAfterInt = itemToMove + 1;
itemAfter = list_queue.Items[itemAfterInt].ToString();
list_queue.Items[itemAfterInt] = list_queue.Items[itemToMove];
list_queue.Items[itemToMove] = itemAfter;
list_queue.SelectedIndex = list_queue.SelectedIndex + 1;
}
}
private void btn_delete_Click(object sender, EventArgs e)
{
list_queue.Items.Remove(list_queue.SelectedItem);
}
#endregion
private void btn_Close_Click(object sender, EventArgs e)
{
this.Hide();
}
protected override void OnClosing(CancelEventArgs e)
{
e.Cancel = true;
this.Hide();
base.OnClosing(e);
}
}
}
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