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