win/C#/frmQueue.cs

   1 /*  frmQueue.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.Collections.Generic;\r
   9 using System.ComponentModel;\r
  10 using System.Windows.Forms;\r
  11 using Handbrake.EncodeQueue;\r
  12 using System.Collections.ObjectModel;\r
  13 \r
  14 namespace Handbrake\r
  15 {\r
  16     public partial class frmQueue : Form\r
  17     {\r
  18         private delegate void UpdateHandler();\r
  19         private Queue queue;\r
  20         private frmMain mainWindow;\r
  21 \r
  22         public frmQueue(Queue q, frmMain mw)\r
  23         {\r
  24             InitializeComponent();\r
  25 \r
  26             this.mainWindow = mw;\r
  27 \r
  28             this.queue = q;\r
  29             queue.NewJobStarted += new EventHandler(QueueOnEncodeStart);\r
  30             queue.QueueCompleted += new EventHandler(QueueOnQueueFinished);\r
  31             queue.QueuePauseRequested += new EventHandler(QueueOnPaused);\r
  32         }\r
  33 \r
  34         private void QueueOnPaused(object sender, EventArgs e)\r
  35         {\r
  36             SetUIEncodeFinished();\r
  37             UpdateUIElements();\r
  38         }\r
  39         private void QueueOnQueueFinished(object sender, EventArgs e)\r
  40         {\r
  41             SetUIEncodeFinished();\r
  42             ResetQueue(); // Reset the Queue Window\r
  43         }\r
  44         private void QueueOnEncodeStart(object sender, EventArgs e)\r
  45         {\r
  46             SetUIEncodeStarted(); // make sure the UI is set correctly\r
  47             SetCurrentEncodeInformation();\r
  48             UpdateUIElements(); // Redraw the Queue, a new encode has started.\r
  49         }\r
  50 \r
  51         /// <summary>\r
  52         /// Initializes the Queue list with the Arraylist from the Queue class\r
  53         /// </summary>\r
  54         public void SetQueue()\r
  55         {\r
  56             UpdateUIElements();\r
  57         }\r
  58 \r
  59         /// <summary>\r
  60         /// Initializes the Queue list, then shows and activates the window\r
  61         /// </summary>\r
  62         public new void Show()\r
  63         {\r
  64            Show(true);\r
  65         }\r
  66 \r
  67         /// <summary>\r
  68         /// Initializes the Queue list only if doSetQueue is true, then shows and activates the window\r
  69         /// </summary>\r
  70         /// <param name="doSetQueue">Indicates whether to call setQueue() before showing the window</param>\r
  71         public void Show(bool doSetQueue)\r
  72         {\r
  73             if (doSetQueue) SetQueue();\r
  74             base.Show();\r
  75 \r
  76             //Activate();\r
  77         }\r
  78 \r
  79         // Start and Stop Controls\r
  80         private void btn_encode_Click(object sender, EventArgs e)\r
  81         {\r
  82             if (queue.PauseRequested)\r
  83             {\r
  84                 SetUIEncodeStarted();\r
  85                 MessageBox.Show("Encoding restarted", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);\r
  86             }\r
  87 \r
  88             if (!queue.IsEncoding)\r
  89                 queue.Start();\r
  90 \r
  91         }\r
  92         private void btn_pause_Click(object sender, EventArgs e)\r
  93         {\r
  94             queue.Pause();\r
  95             SetUIEncodeFinished();\r
  96             ResetQueue();\r
  97             MessageBox.Show("No further items on the queue will start. The current encode process will continue until it is finished. \nClick 'Encode' when you wish to continue encoding the queue.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);\r
  98         }\r
  99 \r
 100 \r
 101         // Window Display Management\r
 102         private void SetUIEncodeStarted()\r
 103         {\r
 104             if (InvokeRequired)\r
 105             {\r
 106                 BeginInvoke(new UpdateHandler(SetUIEncodeStarted));\r
 107                 return;\r
 108             }\r
 109             btn_encode.Enabled = false;\r
 110             btn_pause.Visible = true;\r
 111         }\r
 112         private void SetUIEncodeFinished()\r
 113         {\r
 114             if (InvokeRequired)\r
 115             {\r
 116                 BeginInvoke(new UpdateHandler(SetUIEncodeFinished));\r
 117                 return;\r
 118             }\r
 119             btn_pause.Visible = false;\r
 120             btn_encode.Enabled = true;\r
 121         }\r
 122         private void ResetQueue()\r
 123         {\r
 124             if (InvokeRequired)\r
 125             {\r
 126                 BeginInvoke(new UpdateHandler(ResetQueue));\r
 127                 return;\r
 128             }\r
 129             btn_pause.Visible = false;\r
 130             btn_encode.Enabled = true;\r
 131 \r
 132             lbl_source.Text = "-";\r
 133             lbl_dest.Text = "-";\r
 134             lbl_vEnc.Text = "-";\r
 135             lbl_aEnc.Text = "-";\r
 136             lbl_title.Text = "-";\r
 137             lbl_chapt.Text = "-";\r
 138 \r
 139             lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";\r
 140         }\r
 141         private void RedrawQueue()\r
 142         {\r
 143             if (InvokeRequired)\r
 144             {\r
 145                 BeginInvoke(new UpdateHandler(RedrawQueue));\r
 146                 return;\r
 147             }\r
 148 \r
 149             list_queue.Items.Clear();\r
 150             ReadOnlyCollection<Job> theQueue = queue.CurrentQueue;\r
 151             foreach (Job queue_item in theQueue)\r
 152             {\r
 153                 string q_item = queue_item.Query;\r
 154                 Functions.QueryParser parsed = Functions.QueryParser.Parse(q_item);\r
 155 \r
 156                 // Get the DVD Title\r
 157                 string title = parsed.DVDTitle == 0 ? "Auto" : parsed.DVDTitle.ToString();\r
 158 \r
 159                 // Get the DVD Chapters\r
 160                 string chapters;\r
 161                 if (parsed.DVDChapterStart == 0)\r
 162                     chapters = "Auto";\r
 163                 else\r
 164                 {\r
 165                     chapters = parsed.DVDChapterStart.ToString();\r
 166                     if (parsed.DVDChapterFinish != 0)\r
 167                         chapters = chapters + " - " + parsed.DVDChapterFinish;\r
 168                 }\r
 169 \r
 170                 ListViewItem item = new ListViewItem();\r
 171                 item.Text = title; // Title\r
 172                 item.SubItems.Add(chapters); // Chapters\r
 173                 item.SubItems.Add(queue_item.Source); // Source\r
 174                 item.SubItems.Add(queue_item.Destination); // Destination\r
 175                 item.SubItems.Add(parsed.VideoEncoder); // Video\r
 176 \r
 177                 // Display The Audio Track Information\r
 178                 string audio = string.Empty;\r
 179                 foreach (Functions.AudioTrack track in parsed.AudioInformation)\r
 180                 {\r
 181                     if (audio != "")\r
 182                         audio += ", " + track.Encoder;\r
 183                     else\r
 184                         audio = track.Encoder;\r
 185                 }\r
 186                 item.SubItems.Add(audio); // Audio\r
 187 \r
 188                 list_queue.Items.Add(item);\r
 189             }\r
 190         }\r
 191         private void UpdateUIElements()\r
 192         {\r
 193             if (InvokeRequired)\r
 194             {\r
 195                 BeginInvoke(new UpdateHandler(UpdateUIElements));\r
 196                 return;\r
 197             }\r
 198 \r
 199             RedrawQueue();\r
 200             lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";\r
 201         }\r
 202         private void SetCurrentEncodeInformation()\r
 203         {\r
 204             try\r
 205             {\r
 206                 if (InvokeRequired)\r
 207                 {\r
 208                     BeginInvoke(new UpdateHandler(SetCurrentEncodeInformation));\r
 209                 }\r
 210 \r
 211                 // found query is a global varible\r
 212                 Functions.QueryParser parsed = Functions.QueryParser.Parse(queue.LastEncode.Query);\r
 213                 lbl_source.Text = queue.LastEncode.Source;\r
 214                 lbl_dest.Text = queue.LastEncode.Destination;\r
 215 \r
 216                 lbl_title.Text = parsed.DVDTitle == 0 ? "Auto" : parsed.DVDTitle.ToString();\r
 217 \r
 218                 if (Equals(parsed.DVDChapterStart, 0))\r
 219                     lbl_chapt.Text = "Auto";\r
 220                 else\r
 221                 {\r
 222                     string chapters = parsed.DVDChapterStart.ToString();\r
 223                     if (parsed.DVDChapterFinish != 0)\r
 224                         chapters = chapters + " - " + parsed.DVDChapterFinish;\r
 225                     lbl_chapt.Text = chapters;\r
 226                 }\r
 227 \r
 228                 lbl_vEnc.Text = parsed.VideoEncoder;\r
 229 \r
 230                 // Display The Audio Track Information\r
 231                 string audio = string.Empty;\r
 232                 foreach (Functions.AudioTrack track in parsed.AudioInformation)\r
 233                 {\r
 234                     if (audio != "")\r
 235                         audio += ", " + track.Encoder;\r
 236                     else\r
 237                         audio = track.Encoder;\r
 238                 }\r
 239                 lbl_aEnc.Text = audio;\r
 240             }\r
 241             catch (Exception)\r
 242             {\r
 243                 // Do Nothing\r
 244             }\r
 245         }\r
 246         private void DeleteSelectedItems()\r
 247         {\r
 248             // If there are selected items\r
 249             if (list_queue.SelectedIndices.Count > 0)\r
 250             {\r
 251                 // Save the selected indices to select them after the move\r
 252                 List<int> selectedIndices = new List<int>(list_queue.SelectedIndices.Count);\r
 253                 foreach (int selectedIndex in list_queue.SelectedIndices)\r
 254                     selectedIndices.Add(selectedIndex);\r
 255 \r
 256                 int firstSelectedIndex = selectedIndices[0];\r
 257 \r
 258                 // Reverse the list to delete the items from last to first (preserves indices)\r
 259                 selectedIndices.Reverse();\r
 260 \r
 261                 // Remove each selected item\r
 262                 foreach (int selectedIndex in selectedIndices)\r
 263                     queue.Remove(selectedIndex);\r
 264 \r
 265                 UpdateUIElements();\r
 266 \r
 267                 // Select the item where the first deleted item was previously\r
 268                 if (firstSelectedIndex < list_queue.Items.Count)\r
 269                     list_queue.Items[firstSelectedIndex].Selected = true;\r
 270             }\r
 271 \r
 272             list_queue.Select(); // Activate the control to show the selected items\r
 273         }\r
 274 \r
 275         // Queue Management\r
 276         private void mnu_up_Click(object sender, EventArgs e)\r
 277         {\r
 278             MoveUp();\r
 279         }\r
 280         private void mnu_Down_Click(object sender, EventArgs e)\r
 281         {\r
 282             MoveDown();\r
 283         }\r
 284         private void mnu_delete_Click(object sender, EventArgs e)\r
 285         {\r
 286             DeleteSelectedItems();\r
 287         }\r
 288         private void btn_up_Click(object sender, EventArgs e)\r
 289         {\r
 290             MoveUp();\r
 291         }\r
 292         private void btn_down_Click(object sender, EventArgs e)\r
 293         {\r
 294             MoveDown();\r
 295         }\r
 296         private void btn_delete_Click(object sender, EventArgs e)\r
 297         {\r
 298             DeleteSelectedItems();\r
 299         }\r
 300         private void list_queue_deleteKey(object sender, KeyEventArgs e)\r
 301         {\r
 302             if (e.KeyCode == Keys.Delete)\r
 303                 DeleteSelectedItems();\r
 304         }\r
 305         private void MoveUp()\r
 306         {\r
 307             // If there are selected items and the first item is not selected\r
 308             if (list_queue.SelectedIndices.Count > 0 && !list_queue.SelectedIndices.Contains(0))\r
 309             {\r
 310                 // Copy the selected indices to preserve them during the movement\r
 311                 List<int> selectedIndices = new List<int>(list_queue.SelectedIndices.Count);\r
 312                 foreach (int selectedIndex in list_queue.SelectedIndices)\r
 313                     selectedIndices.Add(selectedIndex);\r
 314 \r
 315                 // Move up each selected item\r
 316                 foreach (int selectedIndex in selectedIndices)\r
 317                     queue.MoveUp(selectedIndex);\r
 318 \r
 319                 UpdateUIElements();\r
 320 \r
 321                 // Keep the selected item(s) selected, now moved up one index\r
 322                 foreach (int selectedIndex in selectedIndices)\r
 323                     if (selectedIndex - 1 > -1) // Defensive programming: ensure index is good\r
 324                         list_queue.Items[selectedIndex - 1].Selected = true;\r
 325             }\r
 326 \r
 327             list_queue.Select(); // Activate the control to show the selected items\r
 328         }\r
 329         private void MoveDown()\r
 330         {\r
 331             // If there are selected items and the last item is not selected\r
 332             if (list_queue.SelectedIndices.Count > 0 &&\r
 333                 !list_queue.SelectedIndices.Contains(list_queue.Items[list_queue.Items.Count - 1].Index))\r
 334             {\r
 335                 // Copy the selected indices to preserve them during the movement\r
 336                 List<int> selectedIndices = new List<int>(list_queue.SelectedIndices.Count);\r
 337                 foreach (int selectedIndex in list_queue.SelectedIndices)\r
 338                     selectedIndices.Add(selectedIndex);\r
 339 \r
 340                 // Reverse the indices to move the items down from last to first (preserves indices)\r
 341                 selectedIndices.Reverse();\r
 342 \r
 343                 // Move down each selected item\r
 344                 foreach (int selectedIndex in selectedIndices)\r
 345                     queue.MoveDown(selectedIndex);\r
 346 \r
 347                 UpdateUIElements();\r
 348 \r
 349                 // Keep the selected item(s) selected, now moved down one index\r
 350                 foreach (int selectedIndex in selectedIndices)\r
 351                     if (selectedIndex + 1 < list_queue.Items.Count) // Defensive programming: ensure index is good\r
 352                         list_queue.Items[selectedIndex + 1].Selected = true;\r
 353             }\r
 354 \r
 355             list_queue.Select(); // Activate the control to show the selected items\r
 356         }\r
 357 \r
 358         // Queue Import/Export Features\r
 359         private void mnu_batch_Click(object sender, EventArgs e)\r
 360         {\r
 361             SaveFile.FileName = "";\r
 362             SaveFile.Filter = "Batch|.bat";\r
 363             SaveFile.ShowDialog();\r
 364             if (SaveFile.FileName != String.Empty)\r
 365                 queue.WriteBatchScriptToFile(SaveFile.FileName);\r
 366         }\r
 367         private void mnu_export_Click(object sender, EventArgs e)\r
 368         {\r
 369             SaveFile.FileName = "";\r
 370             SaveFile.Filter = "HandBrake Queue|*.queue";\r
 371             SaveFile.ShowDialog();\r
 372             if (SaveFile.FileName != String.Empty)\r
 373                 queue.WriteQueueStateToFile(SaveFile.FileName);\r
 374         }\r
 375         private void mnu_import_Click(object sender, EventArgs e)\r
 376         {\r
 377             OpenFile.FileName = "";\r
 378             OpenFile.ShowDialog();\r
 379             if (OpenFile.FileName != String.Empty)\r
 380                 queue.LoadQueueFromFile(OpenFile.FileName);\r
 381             UpdateUIElements();\r
 382         }\r
 383         private void mnu_readd_Click(object sender, EventArgs e)\r
 384         {\r
 385             if (!queue.LastEncode.IsEmpty)\r
 386             {\r
 387                 queue.Add(queue.LastEncode.Query, queue.LastEncode.Source, queue.LastEncode.Destination, queue.LastEncode.CustomQuery);\r
 388                 UpdateUIElements();\r
 389             }\r
 390         }\r
 391         private void mnu_reconfigureJob_Click(object sender, EventArgs e)\r
 392         {\r
 393             if (list_queue.SelectedIndices != null)\r
 394             {\r
 395                 lock (queue)\r
 396                 {\r
 397                     lock (list_queue)\r
 398                     {\r
 399                         int index = list_queue.SelectedIndices[0];\r
 400                         mainWindow.RecievingJob(queue.GetJob(index));\r
 401                         queue.Remove(index);\r
 402                         RedrawQueue();\r
 403                     }\r
 404                 }\r
 405             }\r
 406         }\r
 407 \r
 408 \r
 409         // Hide's the window when the user tries to "x" out of the window instead of closing it.\r
 410         protected override void OnClosing(CancelEventArgs e)\r
 411         {\r
 412             e.Cancel = true;\r
 413             this.Hide();\r
 414             base.OnClosing(e);\r
 415         }\r
 416     }\r
 417 }\r