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/* frmQueue.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.Generic;
using System.Collections;
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;
using System.IO;
namespace Handbrake
{
public partial class frmQueue : Form
{
private delegate void ProgressUpdateHandler();
private delegate void setEncoding();
Functions.Encode cliObj = new Functions.Encode();
Boolean cancel = false;
Process hbProc = null;
Queue.Queue queue;
frmMain mainWindow = null;
public frmQueue(frmMain main)
{
InitializeComponent();
mainWindow = main;
}
/// <summary>
/// Initializes the Queue list with the Arraylist from the Queue class
/// </summary>
/// <param name="qw"></param>
public void setQueue(Queue.Queue qw)
{
queue = qw;
redrawQueue();
lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";
// Recalculate the progress bar, but only if the queue has already started.
if (progressBar.Value != 0)
{
progressBar.Value = 0;
if (queue.count() == 0)
progressBar.Step = 100;
else
progressBar.Step = 100 / queue.count();
progressBar.PerformStep();
lbl_progressValue.Text = string.Format("{0} %", progressBar.Value);
}
}
/// <summary>
/// Returns if there is currently an item being encoded by the queue
/// </summary>
/// <returns>Boolean true if encoding</returns>
public Boolean isEncoding()
{
if (hbProc == null)
return false;
else
return true;
}
/// <summary>
/// This disables encoding from the queue when a single encode from the main window is running.
/// </summary>
public void frmMain_encode()
{
cancel = false;
// Start the encode
try
{
if (queue.count() != 0)
{
// Setup or reset some values
btn_encode.Enabled = false;
btn_stop.Visible = true;
progressBar.Value = 0;
lbl_progressValue.Text = "0 %";
if (queue.count() == 0)
progressBar.Step = 100;
else
progressBar.Step = 100 / queue.count();
Thread theQ = new Thread(startProc);
theQ.IsBackground = true;
theQ.Start();
}
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
// Redraw's the queue with the latest data from the Queue class
private void redrawQueue()
{
list_queue.Items.Clear();
List<Queue.QueueItem> theQueue = queue.getQueue();
foreach (Queue.QueueItem queue_item in theQueue)
{
string q_item = queue_item.Query;
Functions.QueryParser parsed = Functions.QueryParser.Parse(q_item);
// Get the DVD Title
string title = "";
if (parsed.DVDTitle == 0)
title = "Auto";
else
title = parsed.DVDTitle.ToString();
// Get the DVD Chapters
string chapters = "";
if (parsed.DVDChapterStart == 0)
chapters = "Auto";
else
{
chapters = parsed.DVDChapterStart.ToString();
if (parsed.DVDChapterFinish != 0)
chapters = chapters + " - " + parsed.DVDChapterFinish;
}
ListViewItem item = new ListViewItem();
item.Text = title; // Title
item.SubItems.Add(chapters); // Chapters
item.SubItems.Add(queue_item.Source); // Source
item.SubItems.Add(queue_item.Destination); // Destination
item.SubItems.Add(parsed.VideoEncoder); // Video
item.SubItems.Add(parsed.AudioEncoder1); // Audio
list_queue.Items.Add(item);
}
}
// Initializes the encode process
private void btn_encode_Click(object sender, EventArgs e)
{
if (queue.count() != 0)
{
btn_encode.Enabled = false;
mainWindow.setLastAction("encode");
mainWindow.setEncodeStatus(1);
cancel = false;
// Start the encode
try
{
// Setup or reset some values
btn_encode.Enabled = false;
btn_stop.Visible = true;
progressBar.Value = 0;
lbl_progressValue.Text = "0 %";
if (queue.count() == 0)
progressBar.Step = 100;
else
progressBar.Step = 100 / queue.count();
Thread theQ = new Thread(startProc);
theQ.IsBackground = true;
theQ.Start();
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
}
// Starts the encoding process
private void startProc(object state)
{
try
{
// Run through each item on the queue
while (queue.count() != 0)
{
string query = queue.getNextItemForEncoding();
queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file
setEncValue();
if (this.Created)
updateUIElements();
hbProc = cliObj.runCli(this, query);
hbProc.WaitForExit();
cliObj.addCLIQueryToLog(query);
cliObj.copyLog(query, queue.getLastQuery().Destination);
hbProc.Close();
hbProc.Dispose();
hbProc = null;
query = "";
if (cancel == true)
{
break;
}
}
resetQueue();
mainWindow.setEncodeStatus(0); // Tell the main window encodes have finished.
// After the encode is done, we may want to shutdown, suspend etc.
cliObj.afterEncodeAction();
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
// Reset's the window to the default state.
private void resetQueue()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new ProgressUpdateHandler(resetQueue));
return;
}
btn_stop.Visible = false;
btn_encode.Enabled = true;
if (cancel == true)
{
lbl_progressValue.Text = "Encode Queue Cancelled!";
}
else
{
lbl_progressValue.Text = "Encode Queue Completed!";
}
progressBar.Value = 0;
lbl_source.Text = "-";
lbl_dest.Text = "-";
lbl_vEnc.Text = "-";
lbl_aEnc.Text = "-";
lbl_title.Text = "-";
lbl_chapt.Text = "-";
lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
// Stop's the queue from continuing.
private void btn_stop_Click(object sender, EventArgs e)
{
cancel = true;
btn_stop.Visible = false;
btn_encode.Enabled = true;
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);
}
// Updates the progress bar and progress label for a new status.
private void updateUIElements()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new ProgressUpdateHandler(updateUIElements));
return;
}
redrawQueue();
progressBar.PerformStep();
lbl_progressValue.Text = string.Format("{0} %", progressBar.Value);
lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";
}
catch (Exception exc)
{
MessageBox.Show(exc.ToString());
}
}
// Set's the information lables about the current encode.
private void setEncValue()
{
try
{
if (this.InvokeRequired)
{
this.BeginInvoke(new setEncoding(setEncValue));
}
// found query is a global varible
Functions.QueryParser parsed = Functions.QueryParser.Parse(queue.getLastQuery().Query);
lbl_source.Text = queue.getLastQuery().Source;
lbl_dest.Text = queue.getLastQuery().Destination;
if (parsed.DVDTitle == 0)
lbl_title.Text = "Auto";
else
lbl_title.Text = parsed.DVDTitle.ToString();
string chapters = "";
if (parsed.DVDChapterStart == 0)
{
lbl_chapt.Text = "Auto";
}
else
{
chapters = parsed.DVDChapterStart.ToString();
if (parsed.DVDChapterFinish != 0)
chapters = chapters + " - " + parsed.DVDChapterFinish;
lbl_chapt.Text = chapters;
}
lbl_vEnc.Text = parsed.VideoEncoder;
lbl_aEnc.Text = parsed.AudioEncoder1;
}
catch (Exception)
{
// Do Nothing
}
}
// Queue Management
private void btn_up_Click(object sender, EventArgs e)
{
if (list_queue.SelectedIndices.Count != 0)
{
int selected = list_queue.SelectedIndices[0];
queue.moveUp(selected);
queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file
redrawQueue();
if (selected - 1 > 0)
list_queue.Items[selected - 1].Selected = true;
list_queue.Select();
}
}
private void btn_down_Click(object sender, EventArgs e)
{
if (list_queue.SelectedIndices.Count != 0)
{
int selected = list_queue.SelectedIndices[0];
queue.moveDown(list_queue.SelectedIndices[0]);
queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file
redrawQueue();
if (selected + 1 < list_queue.Items.Count)
list_queue.Items[selected + 1].Selected = true;
list_queue.Select();
}
}
private void btn_delete_Click(object sender, EventArgs e)
{
if (list_queue.SelectedIndices.Count != 0)
{
queue.remove(list_queue.SelectedIndices[0]);
queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file
redrawQueue();
lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";
}
}
private void list_queue_deleteKey(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Delete)
{
if (list_queue.SelectedIndices.Count != 0)
{
queue.remove(list_queue.SelectedIndices[0]);
queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file
redrawQueue();
}
}
}
// Queue Import/Export Features
private void mnu_batch_Click(object sender, EventArgs e)
{
SaveFile.FileName = "";
SaveFile.Filter = "Batch|.bat";
SaveFile.ShowDialog();
if (SaveFile.FileName != String.Empty)
queue.writeBatchScript(SaveFile.FileName);
}
private void mnu_export_Click(object sender, EventArgs e)
{
SaveFile.FileName = "";
SaveFile.Filter = "HandBrake Queue|*.queue";
SaveFile.ShowDialog();
if (SaveFile.FileName != String.Empty)
queue.write2disk(SaveFile.FileName);
}
private void mnu_import_Click(object sender, EventArgs e)
{
OpenFile.FileName = "";
OpenFile.ShowDialog();
if (OpenFile.FileName != String.Empty)
queue.recoverQueue(OpenFile.FileName);
redrawQueue();
}
// Hide's the window when the user tries to "x" out of the window instead of closing it.
protected override void OnClosing(CancelEventArgs e)
{
e.Cancel = true;
this.Hide();
base.OnClosing(e);
}
}
}
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