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 \r
  12 namespace Handbrake\r
  13 {\r
  14     public partial class frmQueue : Form\r
  15     {\r
  16         private delegate void UpdateHandler();\r
  17         Queue.QueueHandler queue;\r
  18 \r
  19         public frmQueue(Queue.QueueHandler q)\r
  20         {\r
  21             InitializeComponent();\r
  22 \r
  23             this.queue = q;\r
  24             queue.OnEncodeStart += new EventHandler(queue_OnEncodeStart);\r
  25             queue.OnQueueFinished += new EventHandler(queue_OnQueueFinished);\r
  26             queue.OnPaused += new EventHandler(queue_OnPaused);\r
  27         }\r
  28         void queue_OnPaused(object sender, EventArgs e)\r
  29         {\r
  30             setUIEncodeFinished();\r
  31             updateUIElements();\r
  32         }\r
  33         void queue_OnQueueFinished(object sender, EventArgs e)\r
  34         {\r
  35             setUIEncodeFinished();\r
  36             resetQueue(); // Reset the Queue Window\r
  37         }\r
  38         void queue_OnEncodeStart(object sender, EventArgs e)\r
  39         {\r
  40             setUIEncodeStarted(); // make sure the UI is set correctly\r
  41             setCurrentEncodeInformation();\r
  42             updateUIElements(); // Redraw the Queue, a new encode has started.\r
  43         }\r
  44 \r
  45         /// <summary>\r
  46         /// Initializes the Queue list with the Arraylist from the Queue class\r
  47         /// </summary>\r
  48         public void setQueue()\r
  49         {\r
  50             updateUIElements();\r
  51         }\r
  52 \r
  53         /// <summary>\r
  54         /// Initializes the Queue list, then shows and activates the window\r
  55         /// </summary>\r
  56         public new void Show()\r
  57         {\r
  58             Show(true);\r
  59         }\r
  60 \r
  61         /// <summary>\r
  62         /// Initializes the Queue list only if doSetQueue is true, then shows and activates the window\r
  63         /// </summary>\r
  64         /// <param name="doSetQueue">Indicates whether to call setQueue() before showing the window</param>\r
  65         public void Show(bool doSetQueue)\r
  66         {\r
  67             if (doSetQueue) setQueue();\r
  68             base.Show();\r
  69             Activate();\r
  70         }\r
  71 \r
  72         // Start and Stop Controls\r
  73         private void btn_encode_Click(object sender, EventArgs e)\r
  74         {\r
  75             if (queue.isPaused)\r
  76             {\r
  77                 setUIEncodeStarted();\r
  78                 MessageBox.Show("Encoding restarted", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);\r
  79             }\r
  80 \r
  81             if (!queue.isEncodeStarted)\r
  82                 queue.startEncode();\r
  83 \r
  84         }\r
  85         private void btn_pause_Click(object sender, EventArgs e)\r
  86         {\r
  87             queue.pauseEncode();\r
  88             setUIEncodeFinished();\r
  89             resetQueue();\r
  90             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);\r
  91         }\r
  92 \r
  93         // Window Display Management\r
  94         private void setUIEncodeStarted()\r
  95         {\r
  96             if (InvokeRequired)\r
  97             {\r
  98                 BeginInvoke(new UpdateHandler(setUIEncodeStarted));\r
  99                 return;\r
 100             }\r
 101             btn_encode.Enabled = false;\r
 102             btn_pause.Visible = true;\r
 103         }\r
 104         private void setUIEncodeFinished()\r
 105         {\r
 106             if (InvokeRequired)\r
 107             {\r
 108                 BeginInvoke(new UpdateHandler(setUIEncodeFinished));\r
 109                 return;\r
 110             }\r
 111             btn_pause.Visible = false;\r
 112             btn_encode.Enabled = true;\r
 113         }\r
 114         private void resetQueue()\r
 115         {\r
 116             if (InvokeRequired)\r
 117             {\r
 118                 BeginInvoke(new UpdateHandler(resetQueue));\r
 119                 return;\r
 120             }\r
 121             btn_pause.Visible = false;\r
 122             btn_encode.Enabled = true;\r
 123 \r
 124             lbl_source.Text = "-";\r
 125             lbl_dest.Text = "-";\r
 126             lbl_vEnc.Text = "-";\r
 127             lbl_aEnc.Text = "-";\r
 128             lbl_title.Text = "-";\r
 129             lbl_chapt.Text = "-";\r
 130 \r
 131             lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";\r
 132         }\r
 133         private void redrawQueue()\r
 134         {\r
 135             if (InvokeRequired)\r
 136             {\r
 137                 BeginInvoke(new UpdateHandler(redrawQueue));\r
 138                 return;\r
 139             }\r
 140 \r
 141             list_queue.Items.Clear();\r
 142             List<Queue.QueueItem> theQueue = queue.getQueue();\r
 143             foreach (Queue.QueueItem queue_item in theQueue)\r
 144             {\r
 145                 string q_item = queue_item.Query;\r
 146                 Functions.QueryParser parsed = Functions.QueryParser.Parse(q_item);\r
 147 \r
 148                 // Get the DVD Title\r
 149                  string title = parsed.DVDTitle == 0 ? "Auto" : parsed.DVDTitle.ToString();\r
 150 \r
 151                 // Get the DVD Chapters\r
 152                 string chapters;\r
 153                 if (parsed.DVDChapterStart == 0)\r
 154                     chapters = "Auto";\r
 155                 else\r
 156                 {\r
 157                     chapters = parsed.DVDChapterStart.ToString();\r
 158                     if (parsed.DVDChapterFinish != 0)\r
 159                         chapters = chapters + " - " + parsed.DVDChapterFinish;\r
 160                 }\r
 161 \r
 162                 ListViewItem item = new ListViewItem();\r
 163                 item.Text = title; // Title\r
 164                 item.SubItems.Add(chapters); // Chapters\r
 165                 item.SubItems.Add(queue_item.Source); // Source\r
 166                 item.SubItems.Add(queue_item.Destination); // Destination\r
 167                 item.SubItems.Add(parsed.VideoEncoder); // Video\r
 168                 item.SubItems.Add(parsed.AudioEncoder1); // Audio\r
 169 \r
 170                 list_queue.Items.Add(item);\r
 171             }\r
 172         }\r
 173         private void updateUIElements()\r
 174         {\r
 175             if (InvokeRequired)\r
 176             {\r
 177                 BeginInvoke(new UpdateHandler(updateUIElements));\r
 178                 return;\r
 179             }\r
 180 \r
 181             redrawQueue();\r
 182             lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";\r
 183         }\r
 184         private void setCurrentEncodeInformation()\r
 185         {\r
 186             try\r
 187             {\r
 188                 if (InvokeRequired)\r
 189                 {\r
 190                     BeginInvoke(new UpdateHandler(setCurrentEncodeInformation));\r
 191                 }\r
 192 \r
 193                 // found query is a global varible\r
 194                 Functions.QueryParser parsed = Functions.QueryParser.Parse(queue.getLastQueryItem().Query);\r
 195                 lbl_source.Text = queue.getLastQueryItem().Source;\r
 196                 lbl_dest.Text = queue.getLastQueryItem().Destination;\r
 197 \r
 198                 lbl_title.Text = parsed.DVDTitle == 0 ? "Auto" : parsed.DVDTitle.ToString();\r
 199 \r
 200                 if (Equals(parsed.DVDChapterStart, 0))\r
 201                   lbl_chapt.Text = "Auto";\r
 202                 else\r
 203                 {\r
 204                     string chapters = parsed.DVDChapterStart.ToString();\r
 205                     if (parsed.DVDChapterFinish != 0)\r
 206                         chapters = chapters + " - " + parsed.DVDChapterFinish;\r
 207                     lbl_chapt.Text = chapters;\r
 208                 }\r
 209 \r
 210                 lbl_vEnc.Text = parsed.VideoEncoder;\r
 211                 lbl_aEnc.Text = parsed.AudioEncoder1;\r
 212             }\r
 213             catch (Exception)\r
 214             {\r
 215                 // Do Nothing\r
 216             }\r
 217         }\r
 218 \r
 219         // Queue Management\r
 220         private void btn_up_Click(object sender, EventArgs e)\r
 221         {\r
 222             if (list_queue.SelectedIndices.Count != 0)\r
 223             {\r
 224                 int selected = list_queue.SelectedIndices[0];\r
 225 \r
 226                 queue.moveUp(selected);\r
 227                 queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file\r
 228                 updateUIElements();\r
 229 \r
 230                 if (selected - 1 > 0)\r
 231                     list_queue.Items[selected - 1].Selected = true;\r
 232 \r
 233                 list_queue.Select();\r
 234             }\r
 235         }\r
 236         private void btn_down_Click(object sender, EventArgs e)\r
 237         {\r
 238             if (list_queue.SelectedIndices.Count != 0)\r
 239             {\r
 240                 int selected = list_queue.SelectedIndices[0];\r
 241 \r
 242                 queue.moveDown(list_queue.SelectedIndices[0]);\r
 243                 queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file\r
 244                 updateUIElements();\r
 245 \r
 246                 if (selected + 1 < list_queue.Items.Count)\r
 247                     list_queue.Items[selected + 1].Selected = true;\r
 248 \r
 249                 list_queue.Select();\r
 250             }\r
 251         }\r
 252         private void btn_delete_Click(object sender, EventArgs e)\r
 253         {\r
 254             if (list_queue.SelectedIndices.Count != 0)\r
 255             {\r
 256                 queue.remove(list_queue.SelectedIndices[0]);\r
 257                 queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file\r
 258                 updateUIElements();\r
 259                 lbl_encodesPending.Text = list_queue.Items.Count + " encode(s) pending";\r
 260             }\r
 261         }\r
 262         private void list_queue_deleteKey(object sender, KeyEventArgs e)\r
 263         {\r
 264             if (e.KeyCode == Keys.Delete)\r
 265             {\r
 266                 if (list_queue.SelectedIndices.Count != 0)\r
 267                 {\r
 268                     queue.remove(list_queue.SelectedIndices[0]);\r
 269                     queue.write2disk("hb_queue_recovery.xml"); // Update the queue recovery file\r
 270                     updateUIElements();\r
 271                 }\r
 272             }\r
 273         }\r
 274 \r
 275         // Queue Import/Export Features\r
 276         private void mnu_batch_Click(object sender, EventArgs e)\r
 277         {\r
 278             SaveFile.FileName = "";\r
 279             SaveFile.Filter = "Batch|.bat";\r
 280             SaveFile.ShowDialog();\r
 281             if (SaveFile.FileName != String.Empty)\r
 282                 queue.writeBatchScript(SaveFile.FileName);\r
 283         }\r
 284         private void mnu_export_Click(object sender, EventArgs e)\r
 285         {\r
 286             SaveFile.FileName = "";\r
 287             SaveFile.Filter = "HandBrake Queue|*.queue";\r
 288             SaveFile.ShowDialog();\r
 289             if (SaveFile.FileName != String.Empty)\r
 290                 queue.write2disk(SaveFile.FileName);\r
 291         }\r
 292         private void mnu_import_Click(object sender, EventArgs e)\r
 293         {\r
 294             OpenFile.FileName = "";\r
 295             OpenFile.ShowDialog();\r
 296             if (OpenFile.FileName != String.Empty)\r
 297                 queue.recoverQueue(OpenFile.FileName);\r
 298             updateUIElements();\r
 299         }\r
 300 \r
 301         // Hide's the window when the user tries to "x" out of the window instead of closing it.\r
 302         protected override void OnClosing(CancelEventArgs e)\r
 303         {\r
 304             e.Cancel = true;\r
 305             this.Hide();\r
 306             base.OnClosing(e);\r
 307         }\r
 308     }\r
 309 }\r