git.sesse.net Git - vlc/blob - modules/gui/macosx/playlist.m

   1 /*****************************************************************************
   2  * playlist.m: MacOS X interface module
   3  *****************************************************************************
   4  * Copyright (C) 2002-2004 VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
   8  *          Derk-Jan Hartman <hartman at videolan dot org>
   9  *          Benjamin Pracht <bigben at videolab dot org>
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License as published by
  13  * the Free Software Foundation; either version 2 of the License, or
  14  * (at your option) any later version.
  15  *
  16  * This program is distributed in the hope that it will be useful,
  17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  * GNU General Public License for more details.
  20  *
  21  * You should have received a copy of the GNU General Public License
  22  * along with this program; if not, write to the Free Software
  23  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
  24  *****************************************************************************/
  25
  26 /* TODO
  27  * connect delegates, actions and outlets in IB
  28  * implement delete by backspace
  29  * implement playlist item rightclick menu
  30  * implement sorting
  31  * add 'icons' for different types of nodes? (http://www.cocoadev.com/index.pl?IconAndTextInTableCell)
  32  * create a new 'playlist toggle' that hides the playlist and in effect give you the old controller
  33  * create a new search field build with pictures from the 'regular' search field, so it can be emulated on 10.2
  34  * create toggle buttons for the shuffle, repeat one, repeat all functions.
  35  * implement drag and drop and item reordering.
  36  * reimplement enable/disable item
  37  * create a new 'tool' button (see the gear button in the Finder window) for 'actions'
  38    (adding service discovery, other views, new node/playlist, save node/playlist) stuff like that
  39  */
  40
  41
  42
  43 /*****************************************************************************
  44  * Preamble
  45  *****************************************************************************/
  46 #include <stdlib.h>                                      /* malloc(), free() */
  47 #include <sys/param.h>                                    /* for MAXPATHLEN */
  48 #include <string.h>
  49 #include <math.h>
  50 #include <sys/mount.h>
  51 #include <vlc_keys.h>
  52
  53 #include "intf.h"
  54 #include "playlist.h"
  55 #include "controls.h"
  56 #include <OSD.h>
  57
  58 /*****************************************************************************
  59  * VLCPlaylistView implementation
  60  *****************************************************************************/
  61 @implementation VLCPlaylistView
  62
  63 - (NSMenu *)menuForEvent:(NSEvent *)o_event
  64 {
  65     return( [[self delegate] menuForEvent: o_event] );
  66 }
  67
  68 - (void)keyDown:(NSEvent *)o_event
  69 {
  70     unichar key = 0;
  71     int i, c, i_row;
  72     NSMutableArray *o_to_delete;
  73     NSNumber *o_number;
  74
  75     playlist_t * p_playlist;
  76     intf_thread_t * p_intf = VLCIntf;
  77 msg_Dbg( p_intf, "KEYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY");
  78     if( [[o_event characters] length] )
  79     {
  80         key = [[o_event characters] characterAtIndex: 0];
  81     }
  82
  83     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
  84                                           FIND_ANYWHERE );
  85
  86     if ( p_playlist == NULL )
  87     {
  88         return;
  89     }
  90
  91     switch( key )
  92     {
  93         case NSDeleteCharacter:
  94         case NSDeleteFunctionKey:
  95         case NSDeleteCharFunctionKey:
  96         case NSBackspaceCharacter:
  97             o_to_delete = [NSMutableArray arrayWithArray:[[self selectedRowEnumerator] allObjects]];
  98             c = [o_to_delete count];
  99
 100             for( i = 0; i < c; i++ ) {
 101                 o_number = [o_to_delete lastObject];
 102                 i_row = [o_number intValue];
 103
 104                 if( p_playlist->status.p_item == [[self itemAtRow: i_row] pointerValue] && p_playlist->status.i_status )
 105                 {
 106                     playlist_Stop( p_playlist );
 107                 }
 108                 [o_to_delete removeObject: o_number];
 109                 [self deselectRow: i_row];
 110                 playlist_ItemDelete( [[self itemAtRow: i_row] pointerValue] );
 111             }
 112             break;
 113
 114         default:
 115             [super keyDown: o_event];
 116             break;
 117     }
 118
 119     if( p_playlist != NULL )
 120     {
 121         vlc_object_release( p_playlist );
 122     }
 123 }
 124
 125
 126 @end
 127
 128 /*****************************************************************************
 129  * VLCPlaylist implementation
 130  *****************************************************************************/
 131 @implementation VLCPlaylist
 132
 133 - (id)init
 134 {
 135     self = [super init];
 136     if ( self !=nil )
 137     {
 138         //i_moveRow = -1;
 139     }
 140     return self;
 141 }
 142
 143 - (void)awakeFromNib
 144 {
 145     [o_outline_view setTarget: self];
 146     [o_outline_view setDelegate: self];
 147     [o_outline_view setDataSource: self];
 148
 149     [o_outline_view setDoubleAction: @selector(playItem:)];
 150
 151     [o_outline_view registerForDraggedTypes:
 152         [NSArray arrayWithObjects: NSFilenamesPboardType, nil]];
 153     [o_outline_view setIntercellSpacing: NSMakeSize (0.0, 1.0)];
 154
 155 /* We need to check whether _defaultTableHeaderSortImage exists, since it
 156 belongs to an Apple hidden private API, and then can "disapear" at any time*/
 157
 158     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderSortImage)] )
 159     {
 160         o_ascendingSortingImage = [[NSOutlineView class] _defaultTableHeaderSortImage];
 161     }
 162     else
 163     {
 164         o_ascendingSortingImage = nil;
 165     }
 166
 167     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderReverseSortImage)] )
 168     {
 169         o_descendingSortingImage = [[NSOutlineView class] _defaultTableHeaderReverseSortImage];
 170     }
 171     else
 172     {
 173         o_descendingSortingImage = nil;
 174     }
 175
 176     o_outline_dict = [[NSMutableDictionary alloc] init];
 177
 178     [self initStrings];
 179     //[self playlistUpdated];
 180 }
 181
 182 - (void)initStrings
 183 {
 184     [o_mi_save_playlist setTitle: _NS("Save Playlist...")];
 185 #if 0
 186     [o_mi_play setTitle: _NS("Play")];
 187     [o_mi_delete setTitle: _NS("Delete")];
 188     [o_mi_selectall setTitle: _NS("Select All")];
 189     [o_mi_toggleItemsEnabled setTitle: _NS("Item Enabled")];
 190     [o_mi_enableGroup setTitle: _NS("Enable all group items")];
 191     [o_mi_disableGroup setTitle: _NS("Disable all group items")];
 192     [o_mi_info setTitle: _NS("Properties")];
 193 #endif
 194     [[o_tc_name headerCell] setStringValue:_NS("Name")];
 195     [[o_tc_author headerCell] setStringValue:_NS("Author")];
 196     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
 197     [o_random_ckb setTitle: _NS("Random")];
 198 #if 0
 199     [o_search_button setTitle: _NS("Search")];
 200 #endif
 201     [o_btn_playlist setToolTip: _NS("Playlist")];
 202     [[o_loop_popup itemAtIndex:0] setTitle: _NS("Standard Play")];
 203     [[o_loop_popup itemAtIndex:1] setTitle: _NS("Repeat One")];
 204     [[o_loop_popup itemAtIndex:2] setTitle: _NS("Repeat All")];
 205 }
 206
 207 - (void)playlistUpdated
 208 {
 209     [o_outline_view reloadData];
 210 }
 211
 212 - (IBAction)playItem:(id)sender
 213 {
 214     intf_thread_t * p_intf = VLCIntf;
 215     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 216                                                        FIND_ANYWHERE );
 217
 218     if( p_playlist != NULL )
 219     {
 220         playlist_item_t *p_item;
 221         playlist_view_t *p_view;
 222         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 223         p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
 224
 225         if( p_item )
 226             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_view ? p_view->p_root : NULL, p_item );
 227         vlc_object_release( p_playlist );
 228     }
 229 }
 230
 231 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
 232 {
 233     int i_item;
 234     intf_thread_t * p_intf = VLCIntf;
 235     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 236                                                        FIND_ANYWHERE );
 237
 238     if( p_playlist == NULL )
 239     {
 240         return;
 241     }
 242
 243     for ( i_item = 0; i_item < (int)[o_array count]; i_item++ )
 244     {
 245         /* One item */
 246         NSDictionary *o_one_item;
 247         int j, i_total_options = 0, i_new_id = -1;
 248         int i_mode = PLAYLIST_INSERT;
 249         BOOL b_rem = FALSE, b_dir = FALSE;
 250         NSString *o_uri, *o_name;
 251         NSArray *o_options;
 252         NSURL *o_true_file;
 253         char **ppsz_options = NULL;
 254
 255         /* Get the item */
 256         o_one_item = [o_array objectAtIndex: i_item];
 257         o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
 258         o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
 259         o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
 260
 261         /* If no name, then make a guess */
 262         if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
 263
 264         if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
 265             [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
 266                     isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
 267         {
 268             /* All of this is to make sure CD's play when you D&D them on VLC */
 269             /* Converts mountpoint to a /dev file */
 270             struct statfs *buf;
 271             char *psz_dev;
 272             buf = (struct statfs *) malloc (sizeof(struct statfs));
 273             statfs( [o_uri fileSystemRepresentation], buf );
 274             psz_dev = strdup(buf->f_mntfromname);
 275             o_uri = [NSString stringWithCString: psz_dev ];
 276         }
 277
 278         if( o_options && [o_options count] > 0 )
 279         {
 280             /* Count the input options */
 281             i_total_options = [o_options count];
 282
 283             /* Allocate ppsz_options */
 284             for( j = 0; j < i_total_options; j++ )
 285             {
 286                 if( !ppsz_options )
 287                     ppsz_options = (char **)malloc( sizeof(char *) * i_total_options );
 288
 289                 ppsz_options[j] = strdup([[o_options objectAtIndex:j] UTF8String]);
 290             }
 291         }
 292
 293         /* Add the item */
 294         i_new_id = playlist_AddExt( p_playlist, [o_uri fileSystemRepresentation],
 295                       [o_name UTF8String], i_mode,
 296                       i_position == -1 ? PLAYLIST_END : i_position + i_item,
 297                       0, (ppsz_options != NULL ) ? (const char **)ppsz_options : 0, i_total_options );
 298
 299         /* clean up
 300         for( j = 0; j < i_total_options; j++ )
 301             free( ppsz_options[j] );
 302         if( ppsz_options ) free( ppsz_options ); */
 303
 304         /* Recent documents menu */
 305         o_true_file = [NSURL fileURLWithPath: o_uri];
 306         if( o_true_file != nil )
 307         {
 308             [[NSDocumentController sharedDocumentController]
 309                 noteNewRecentDocumentURL: o_true_file];
 310         }
 311
 312         if( i_item == 0 && !b_enqueue )
 313         {
 314             playlist_Goto( p_playlist, playlist_GetPositionById( p_playlist, i_new_id ) );
 315             playlist_Play( p_playlist );
 316         }
 317     }
 318
 319     vlc_object_release( p_playlist );
 320 }
 321
 322 - (IBAction)handlePopUp:(id)sender
 323
 324 {
 325              intf_thread_t * p_intf = VLCIntf;
 326              vlc_value_t val1,val2;
 327              playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 328                                                         FIND_ANYWHERE );
 329              if( p_playlist == NULL )
 330              {
 331                  return;
 332              }
 333
 334     switch ([o_loop_popup indexOfSelectedItem])
 335     {
 336         case 1:
 337
 338              val1.b_bool = 0;
 339              var_Set( p_playlist, "loop", val1 );
 340              val1.b_bool = 1;
 341              var_Set( p_playlist, "repeat", val1 );
 342              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 343         break;
 344
 345         case 2:
 346              val1.b_bool = 0;
 347              var_Set( p_playlist, "repeat", val1 );
 348              val1.b_bool = 1;
 349              var_Set( p_playlist, "loop", val1 );
 350              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 351         break;
 352
 353         default:
 354              var_Get( p_playlist, "repeat", &val1 );
 355              var_Get( p_playlist, "loop", &val2 );
 356              if (val1.b_bool || val2.b_bool)
 357              {
 358                   val1.b_bool = 0;
 359                   var_Set( p_playlist, "repeat", val1 );
 360                   var_Set( p_playlist, "loop", val1 );
 361                   vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 362              }
 363          break;
 364      }
 365      vlc_object_release( p_playlist );
 366      [self playlistUpdated];
 367 }
 368
 369 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
 370 {
 371     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 372                                                        FIND_ANYWHERE );
 373     playlist_item_t * p_selected_item;
 374     int i_current, i_selected_row;
 375
 376     if (!p_playlist)
 377         return NULL;
 378
 379     i_selected_row = [o_outline_view selectedRow];
 380     if (i_selected_row < 0)
 381         i_selected_row = 0;
 382
 383     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
 384                                             i_selected_row] pointerValue];
 385
 386     for (i_current = 0; i_current < p_item->i_children ; i_current++)
 387     {
 388         char * psz_temp;
 389         NSString * o_current_name, * o_current_author;
 390
 391         vlc_mutex_lock( &p_playlist->object_lock );
 392         o_current_name = [NSString stringWithUTF8String:
 393             p_item->pp_children[i_current]->input.psz_name];
 394         psz_temp = playlist_ItemGetInfo(p_item ,_("Meta-information"),_("Author") );
 395         o_current_author = [NSString stringWithUTF8String: psz_temp];
 396         free( psz_temp);
 397         vlc_mutex_unlock( &p_playlist->object_lock );
 398
 399         if (p_selected_item == p_item->pp_children[i_current] &&
 400                     b_selected_item_met == NO)
 401         {
 402             b_selected_item_met = YES;
 403         }
 404         else if (p_selected_item == p_item->pp_children[i_current] &&
 405                     b_selected_item_met == YES)
 406         {
 407             vlc_object_release(p_playlist);
 408             return NULL;
 409         }
 410         else if (b_selected_item_met == YES &&
 411                     ([o_current_name rangeOfString:[o_search_field
 412                         stringValue] options:NSCaseInsensitiveSearch ].length ||
 413                     [o_current_author rangeOfString:[o_search_field
 414                         stringValue] options:NSCaseInsensitiveSearch ].length))
 415         {
 416             vlc_object_release(p_playlist);
 417             /*Adds the parent items in the result array as well, so that we can
 418             expand the tree*/
 419             return [NSMutableArray arrayWithObject: [NSValue
 420                             valueWithPointer: p_item->pp_children[i_current]]];
 421         }
 422         if (p_item->pp_children[i_current]->i_children > 0)
 423         {
 424             id o_result = [self subSearchItem:
 425                                             p_item->pp_children[i_current]];
 426             if (o_result != NULL)
 427             {
 428                 vlc_object_release(p_playlist);
 429                 [o_result insertObject: [NSValue valueWithPointer:
 430                                 p_item->pp_children[i_current]] atIndex:0];
 431                 return o_result;
 432             }
 433         }
 434     }
 435     vlc_object_release(p_playlist);
 436     return NULL;
 437 }
 438
 439 - (IBAction)searchItem:(id)sender
 440 {
 441     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 442                                                        FIND_ANYWHERE );
 443     playlist_view_t * p_view;
 444     id o_result;
 445
 446     unsigned int i;
 447     int i_row = -1;
 448
 449     b_selected_item_met = NO;
 450
 451     if( p_playlist == NULL )
 452         return;
 453
 454     p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 455
 456     if (p_view)
 457     {
 458         /*First, only search after the selected item:*
 459          *(b_selected_item_met = NO)                 */
 460         o_result = [self subSearchItem:p_view->p_root];
 461         if (o_result == NULL)
 462         {
 463             /* If the first search failed, search again from the beginning */
 464             o_result = [self subSearchItem:p_view->p_root];
 465         }
 466         if (o_result != NULL)
 467         {
 468             for (i = 0 ; i < [o_result count] - 1 ; i++)
 469             {
 470                 [o_outline_view expandItem: [o_outline_dict objectForKey:
 471                             [NSString stringWithFormat: @"%p",
 472                             [[o_result objectAtIndex: i] pointerValue]]]];
 473             }
 474             i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
 475                             [NSString stringWithFormat: @"%p",
 476                             [[o_result objectAtIndex: [o_result count] - 1 ]
 477                             pointerValue]]]];
 478         }
 479         if (i_row > -1)
 480         {
 481             [o_outline_view selectRow:i_row byExtendingSelection: NO];
 482             [o_outline_view scrollRowToVisible: i_row];
 483         }
 484     }
 485     vlc_object_release(p_playlist);
 486
 487 }
 488
 489 @end
 490
 491 @implementation VLCPlaylist (NSOutlineViewDataSource)
 492
 493 /* return the number of children for Obj-C pointer item */ /* DONE */
 494 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 495 {
 496     int i_return = 0;
 497     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 498                                                        FIND_ANYWHERE );
 499     if( p_playlist == NULL )
 500         return 0;
 501
 502     if( item == nil )
 503     {
 504         /* root object */
 505         playlist_view_t *p_view;
 506         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 507         if( p_view && p_view->p_root )
 508             i_return = p_view->p_root->i_children;
 509     }
 510     else
 511     {
 512         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 513         if( p_item )
 514             i_return = p_item->i_children;
 515     }
 516     vlc_object_release( p_playlist );
 517     if( i_return == -1 ) i_return = 0;
 518     msg_Dbg( p_playlist, "I have %d children", i_return );
 519     return i_return;
 520 }
 521
 522 /* return the child at index for the Obj-C pointer item */ /* DONE */
 523 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 524 {
 525     playlist_item_t *p_return = NULL;
 526     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 527                                                        FIND_ANYWHERE );
 528     NSValue * o_value;
 529
 530     if( p_playlist == NULL )
 531         return nil;
 532
 533     if( item == nil )
 534     {
 535         /* root object */
 536         playlist_view_t *p_view;
 537         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 538         if( p_view && index < p_view->p_root->i_children )
 539             p_return = p_view->p_root->pp_children[index];
 540     }
 541     else
 542     {
 543         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 544         if( p_item && index < p_item->i_children )
 545         {
 546             p_return = p_item->pp_children[index];
 547         }
 548     }
 549
 550     vlc_object_release( p_playlist );
 551     msg_Dbg( p_playlist, "childitem with index %d", index );
 552
 553     o_value = [NSValue valueWithPointer: p_return];
 554
 555     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",                                                                      p_return]];
 556 //    [o_status_field setStringValue: [NSString stringWithFormat:
 557 //                        _NS("%i items in playlist"), [o_outline_dict count]]];
 558
 559     return o_value;
 560
 561 }
 562
 563 /* is the item expandable */
 564 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 565 {
 566     int i_return = 0;
 567     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 568                                                        FIND_ANYWHERE );
 569     if( p_playlist == NULL )
 570         return NO;
 571
 572     if( item == nil )
 573     {
 574         /* root object */
 575         playlist_view_t *p_view;
 576         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 577         if( p_view && p_view->p_root )
 578             i_return = p_view->p_root->i_children;
 579     }
 580     else
 581     {
 582         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 583         if( p_item )
 584             i_return = p_item->i_children;
 585     }
 586     vlc_object_release( p_playlist );
 587
 588     if( i_return == -1 || i_return == 0 )
 589         return NO;
 590     else
 591         return YES;
 592 }
 593
 594 /* retrieve the string values for the cells */
 595 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
 596 {
 597     id o_value = nil;
 598     intf_thread_t * p_intf = VLCIntf;
 599     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 600                                                FIND_ANYWHERE );
 601     playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 602
 603     if( p_playlist == NULL || p_item == NULL )
 604     {
 605         return( @"error" );
 606     }
 607
 608     if( [[o_tc identifier] isEqualToString:@"1"] )
 609     {
 610         o_value = [NSString stringWithUTF8String:
 611             p_item->input.psz_name];
 612         if( o_value == NULL )
 613             o_value = [NSString stringWithCString:
 614                 p_item->input.psz_name];
 615     }
 616     else if( [[o_tc identifier] isEqualToString:@"2"] )
 617     {
 618         char *psz_temp;
 619         psz_temp = playlist_ItemGetInfo( p_item ,_("Meta-information"),_("Artist") );
 620
 621         if( psz_temp == NULL )
 622             o_value = @"";
 623         else
 624         {
 625             o_value = [NSString stringWithUTF8String: psz_temp];
 626             if( o_value == NULL )
 627             {
 628                 o_value = [NSString stringWithCString: psz_temp];
 629             }
 630             free( psz_temp );
 631         }
 632     }
 633     else if( [[o_tc identifier] isEqualToString:@"3"] )
 634     {
 635         char psz_duration[MSTRTIME_MAX_SIZE];
 636         mtime_t dur = p_item->input.i_duration;
 637         if( dur != -1 )
 638         {
 639             secstotimestr( psz_duration, dur/1000000 );
 640             o_value = [NSString stringWithUTF8String: psz_duration];
 641         }
 642         else
 643         {
 644             o_value = @"-:--:--";
 645         }
 646     }
 647
 648     vlc_object_release( p_playlist );
 649
 650     return( o_value );
 651 }
 652
 653 /* Required for drag & drop and reordering */
 654 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
 655 {
 656     return NO;
 657 }
 658
 659 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
 660 {
 661     return NSDragOperationNone;
 662 }
 663
 664 /* Delegate method of NSWindow */
 665 - (void)windowWillClose:(NSNotification *)aNotification
 666 {
 667     [o_btn_playlist setState: NSOffState];
 668 }
 669
 670 @end
 671
 672