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
  72     if( [[o_event characters] length] )
  73     {
  74         key = [[o_event characters] characterAtIndex: 0];
  75     }
  76
  77     switch( key )
  78     {
  79         case NSDeleteCharacter:
  80         case NSDeleteFunctionKey:
  81         case NSDeleteCharFunctionKey:
  82         case NSBackspaceCharacter:
  83             [[self delegate] deleteItem:self];
  84             break;
  85
  86         default:
  87             [super keyDown: o_event];
  88             break;
  89     }
  90 }
  91
  92 @end
  93
  94 /*****************************************************************************
  95  * VLCPlaylist implementation
  96  *****************************************************************************/
  97 @implementation VLCPlaylist
  98
  99 - (id)init
 100 {
 101     self = [super init];
 102     if ( self !=nil )
 103     {
 104         //i_moveRow = -1;
 105     }
 106     return self;
 107 }
 108
 109 - (void)awakeFromNib
 110 {
 111     [o_outline_view setTarget: self];
 112     [o_outline_view setDelegate: self];
 113     [o_outline_view setDataSource: self];
 114
 115     [o_outline_view setDoubleAction: @selector(playItem:)];
 116
 117     [o_outline_view registerForDraggedTypes:
 118         [NSArray arrayWithObjects: NSFilenamesPboardType, nil]];
 119     [o_outline_view setIntercellSpacing: NSMakeSize (0.0, 1.0)];
 120
 121 /* We need to check whether _defaultTableHeaderSortImage exists, since it
 122 belongs to an Apple hidden private API, and then can "disapear" at any time*/
 123
 124     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderSortImage)] )
 125     {
 126         o_ascendingSortingImage = [[NSOutlineView class] _defaultTableHeaderSortImage];
 127     }
 128     else
 129     {
 130         o_ascendingSortingImage = nil;
 131     }
 132
 133     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderReverseSortImage)] )
 134     {
 135         o_descendingSortingImage = [[NSOutlineView class] _defaultTableHeaderReverseSortImage];
 136     }
 137     else
 138     {
 139         o_descendingSortingImage = nil;
 140     }
 141
 142     o_outline_dict = [[NSMutableDictionary alloc] init];
 143
 144     [self initStrings];
 145     //[self playlistUpdated];
 146 }
 147
 148 - (void)initStrings
 149 {
 150     [o_mi_save_playlist setTitle: _NS("Save Playlist...")];
 151     [o_mi_play setTitle: _NS("Play")];
 152     [o_mi_delete setTitle: _NS("Delete")];
 153     [o_mi_selectall setTitle: _NS("Select All")];
 154     [o_mi_info setTitle: _NS("Properties")];
 155     [[o_tc_name headerCell] setStringValue:_NS("Name")];
 156     [[o_tc_author headerCell] setStringValue:_NS("Author")];
 157     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
 158     [o_status_field setStringValue: [NSString stringWithFormat:
 159                         _NS("0 items in playlist")]];
 160
 161     [o_random_ckb setTitle: _NS("Random")];
 162 #if 0
 163     [o_search_button setTitle: _NS("Search")];
 164 #endif
 165     [o_btn_playlist setToolTip: _NS("Playlist")];
 166     [[o_loop_popup itemAtIndex:0] setTitle: _NS("Standard Play")];
 167     [[o_loop_popup itemAtIndex:1] setTitle: _NS("Repeat One")];
 168     [[o_loop_popup itemAtIndex:2] setTitle: _NS("Repeat All")];
 169 }
 170
 171 - (void)playlistUpdated
 172 {
 173     [o_outline_dict removeAllObjects];
 174     [o_outline_view reloadData];
 175 }
 176
 177 - (bool)isItem:(playlist_item_t *)p_item inNode:(playlist_item_t *)p_node
 178 {
 179     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 180                                           FIND_ANYWHERE );
 181     playlist_item_t * p_temp_item = p_item;
 182
 183     if ( p_playlist == NULL )
 184     {
 185         return NO;
 186     }
 187
 188     while ( p_temp_item->i_parents > 0 )
 189     {
 190         int i;
 191         for (i = 0; i < p_temp_item->i_parents ; i++)
 192         {
 193             if (p_temp_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 194             {
 195                 if (p_temp_item->pp_parents[i]->p_parent == p_node)
 196                 {
 197                     vlc_object_release(p_playlist);
 198                     return YES;
 199                 }
 200                 else
 201                 {
 202                     p_temp_item = p_temp_item->pp_parents[i]->p_parent;
 203                     break;
 204                 }
 205             }
 206         }
 207     }
 208
 209     vlc_object_release(p_playlist);
 210     return NO;
 211 }
 212
 213
 214 - (IBAction)playItem:(id)sender
 215 {
 216     intf_thread_t * p_intf = VLCIntf;
 217     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 218                                                        FIND_ANYWHERE );
 219
 220     if( p_playlist != NULL )
 221     {
 222         playlist_item_t *p_item;
 223         playlist_item_t *p_node = NULL;
 224         int i;
 225
 226         p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
 227
 228         if( p_item )
 229         {
 230             if (p_item->i_children == -1)
 231             {
 232                 for (i = 0 ; i < p_item->i_parents ; i++)
 233                 {
 234                     if (p_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 235                     {
 236                         p_node = p_item->pp_parents[i]->p_parent;
 237                     }
 238                 }
 239             }
 240             else
 241             {
 242                 p_node = p_item;
 243                 if (p_node->pp_children[0]->i_children == -1 &&
 244                     p_node->i_children > 0)
 245                 {
 246                     p_item = p_node->pp_children[0];
 247                 }
 248                 else
 249                 {
 250                     p_item = NULL;
 251                 }
 252             }
 253
 254 //        p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 255
 256
 257             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_node, p_item );
 258 //            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_view ? p_view->p_root : NULL, p_item );
 259         }
 260         vlc_object_release( p_playlist );
 261     }
 262 }
 263
 264 - (IBAction)selectAll:(id)sender
 265 {
 266     [o_outline_view selectAll: nil];
 267 }
 268
 269 - (IBAction)deleteItem:(id)sender
 270 {
 271     int i, c, i_row;
 272     NSMutableArray *o_to_delete;
 273     NSNumber *o_number;
 274
 275     playlist_t * p_playlist;
 276     intf_thread_t * p_intf = VLCIntf;
 277
 278     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 279                                           FIND_ANYWHERE );
 280
 281     if ( p_playlist == NULL )
 282     {
 283         return;
 284     }
 285     o_to_delete = [NSMutableArray arrayWithArray:[[o_outline_view selectedRowEnumerator] allObjects]];
 286     c = [o_to_delete count];
 287
 288     for( i = 0; i < c; i++ ) {
 289         playlist_item_t * p_item;
 290         o_number = [o_to_delete lastObject];
 291         i_row = [o_number intValue];
 292
 293         [o_to_delete removeObject: o_number];
 294         [o_outline_view deselectRow: i_row];
 295         p_item = (playlist_item_t *)[[o_outline_view itemAtRow: i_row]pointerValue];
 296         if (p_item->i_children > -1)
 297         {
 298             if (p_playlist->status.i_status)
 299             {
 300                 if ([self isItem:p_playlist->status.p_item inNode: p_item]
 301                                     == YES && p_playlist->status.i_status)
 302                 {
 303                     playlist_Stop( p_playlist );
 304                 }
 305             }
 306             playlist_NodeDelete( p_playlist, p_item, VLC_TRUE);
 307         }
 308         else
 309         {
 310             if( p_playlist->status.p_item == [[o_outline_view itemAtRow: i_row]
 311                         pointerValue] && p_playlist->status.i_status )
 312             {
 313                 playlist_Stop( p_playlist );
 314             }
 315             playlist_Delete( p_playlist, p_item->input.i_id );
 316         }
 317         [self playlistUpdated];
 318     }
 319 }
 320
 321 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
 322 {
 323     int i_item;
 324     intf_thread_t * p_intf = VLCIntf;
 325     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 326                                                        FIND_ANYWHERE );
 327
 328     if( p_playlist == NULL )
 329     {
 330         return;
 331     }
 332
 333     for ( i_item = 0; i_item < (int)[o_array count]; i_item++ )
 334     {
 335         /* One item */
 336         NSDictionary *o_one_item;
 337         int j, i_total_options = 0, i_new_id = -1;
 338         int i_mode = PLAYLIST_INSERT;
 339         BOOL b_rem = FALSE, b_dir = FALSE;
 340         NSString *o_uri, *o_name;
 341         NSArray *o_options;
 342         NSURL *o_true_file;
 343         char **ppsz_options = NULL;
 344
 345         /* Get the item */
 346         o_one_item = [o_array objectAtIndex: i_item];
 347         o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
 348         o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
 349         o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
 350
 351         /* If no name, then make a guess */
 352         if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
 353
 354         if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
 355             [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
 356                     isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
 357         {
 358             /* All of this is to make sure CD's play when you D&D them on VLC */
 359             /* Converts mountpoint to a /dev file */
 360             struct statfs *buf;
 361             char *psz_dev;
 362             buf = (struct statfs *) malloc (sizeof(struct statfs));
 363             statfs( [o_uri fileSystemRepresentation], buf );
 364             psz_dev = strdup(buf->f_mntfromname);
 365             o_uri = [NSString stringWithCString: psz_dev ];
 366         }
 367
 368         if( o_options && [o_options count] > 0 )
 369         {
 370             /* Count the input options */
 371             i_total_options = [o_options count];
 372
 373             /* Allocate ppsz_options */
 374             for( j = 0; j < i_total_options; j++ )
 375             {
 376                 if( !ppsz_options )
 377                     ppsz_options = (char **)malloc( sizeof(char *) * i_total_options );
 378
 379                 ppsz_options[j] = strdup([[o_options objectAtIndex:j] UTF8String]);
 380             }
 381         }
 382
 383         /* Add the item */
 384         i_new_id = playlist_AddExt( p_playlist, [o_uri fileSystemRepresentation],
 385                       [o_name UTF8String], i_mode,
 386                       i_position == -1 ? PLAYLIST_END : i_position + i_item,
 387                       0, (ppsz_options != NULL ) ? (const char **)ppsz_options : 0, i_total_options );
 388
 389         /* clean up
 390         for( j = 0; j < i_total_options; j++ )
 391             free( ppsz_options[j] );
 392         if( ppsz_options ) free( ppsz_options ); */
 393
 394         /* Recent documents menu */
 395         o_true_file = [NSURL fileURLWithPath: o_uri];
 396         if( o_true_file != nil )
 397         {
 398             [[NSDocumentController sharedDocumentController]
 399                 noteNewRecentDocumentURL: o_true_file];
 400         }
 401
 402         if( i_item == 0 && !b_enqueue )
 403         {
 404             playlist_Goto( p_playlist, playlist_GetPositionById( p_playlist, i_new_id ) );
 405             playlist_Play( p_playlist );
 406         }
 407     }
 408
 409     vlc_object_release( p_playlist );
 410 }
 411
 412 - (IBAction)handlePopUp:(id)sender
 413
 414 {
 415              intf_thread_t * p_intf = VLCIntf;
 416              vlc_value_t val1,val2;
 417              playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 418                                                         FIND_ANYWHERE );
 419              if( p_playlist == NULL )
 420              {
 421                  return;
 422              }
 423
 424     switch ([o_loop_popup indexOfSelectedItem])
 425     {
 426         case 1:
 427
 428              val1.b_bool = 0;
 429              var_Set( p_playlist, "loop", val1 );
 430              val1.b_bool = 1;
 431              var_Set( p_playlist, "repeat", val1 );
 432              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 433         break;
 434
 435         case 2:
 436              val1.b_bool = 0;
 437              var_Set( p_playlist, "repeat", val1 );
 438              val1.b_bool = 1;
 439              var_Set( p_playlist, "loop", val1 );
 440              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 441         break;
 442
 443         default:
 444              var_Get( p_playlist, "repeat", &val1 );
 445              var_Get( p_playlist, "loop", &val2 );
 446              if (val1.b_bool || val2.b_bool)
 447              {
 448                   val1.b_bool = 0;
 449                   var_Set( p_playlist, "repeat", val1 );
 450                   var_Set( p_playlist, "loop", val1 );
 451                   vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 452              }
 453          break;
 454      }
 455      vlc_object_release( p_playlist );
 456      [self playlistUpdated];
 457 }
 458
 459 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
 460 {
 461     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 462                                                        FIND_ANYWHERE );
 463     playlist_item_t * p_selected_item;
 464     int i_current, i_selected_row;
 465
 466     if (!p_playlist)
 467         return NULL;
 468
 469     i_selected_row = [o_outline_view selectedRow];
 470     if (i_selected_row < 0)
 471         i_selected_row = 0;
 472
 473     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
 474                                             i_selected_row] pointerValue];
 475
 476     for (i_current = 0; i_current < p_item->i_children ; i_current++)
 477     {
 478         char * psz_temp;
 479         NSString * o_current_name, * o_current_author;
 480
 481         vlc_mutex_lock( &p_playlist->object_lock );
 482         o_current_name = [NSString stringWithUTF8String:
 483             p_item->pp_children[i_current]->input.psz_name];
 484         psz_temp = playlist_ItemGetInfo(p_item ,_("Meta-information"),_("Author") );
 485         o_current_author = [NSString stringWithUTF8String: psz_temp];
 486         free( psz_temp);
 487         vlc_mutex_unlock( &p_playlist->object_lock );
 488
 489         if (p_selected_item == p_item->pp_children[i_current] &&
 490                     b_selected_item_met == NO)
 491         {
 492             b_selected_item_met = YES;
 493         }
 494         else if (p_selected_item == p_item->pp_children[i_current] &&
 495                     b_selected_item_met == YES)
 496         {
 497             vlc_object_release(p_playlist);
 498             return NULL;
 499         }
 500         else if (b_selected_item_met == YES &&
 501                     ([o_current_name rangeOfString:[o_search_field
 502                         stringValue] options:NSCaseInsensitiveSearch ].length ||
 503                     [o_current_author rangeOfString:[o_search_field
 504                         stringValue] options:NSCaseInsensitiveSearch ].length))
 505         {
 506             vlc_object_release(p_playlist);
 507             /*Adds the parent items in the result array as well, so that we can
 508             expand the tree*/
 509             return [NSMutableArray arrayWithObject: [NSValue
 510                             valueWithPointer: p_item->pp_children[i_current]]];
 511         }
 512         if (p_item->pp_children[i_current]->i_children > 0)
 513         {
 514             id o_result = [self subSearchItem:
 515                                             p_item->pp_children[i_current]];
 516             if (o_result != NULL)
 517             {
 518                 vlc_object_release(p_playlist);
 519                 [o_result insertObject: [NSValue valueWithPointer:
 520                                 p_item->pp_children[i_current]] atIndex:0];
 521                 return o_result;
 522             }
 523         }
 524     }
 525     vlc_object_release(p_playlist);
 526     return NULL;
 527 }
 528
 529 - (IBAction)searchItem:(id)sender
 530 {
 531     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 532                                                        FIND_ANYWHERE );
 533     playlist_view_t * p_view;
 534     id o_result;
 535
 536     unsigned int i;
 537     int i_row = -1;
 538
 539     b_selected_item_met = NO;
 540
 541     if( p_playlist == NULL )
 542         return;
 543
 544     p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 545
 546     if (p_view)
 547     {
 548         /*First, only search after the selected item:*
 549          *(b_selected_item_met = NO)                 */
 550         o_result = [self subSearchItem:p_view->p_root];
 551         if (o_result == NULL)
 552         {
 553             /* If the first search failed, search again from the beginning */
 554             o_result = [self subSearchItem:p_view->p_root];
 555         }
 556         if (o_result != NULL)
 557         {
 558             for (i = 0 ; i < [o_result count] - 1 ; i++)
 559             {
 560                 [o_outline_view expandItem: [o_outline_dict objectForKey:
 561                             [NSString stringWithFormat: @"%p",
 562                             [[o_result objectAtIndex: i] pointerValue]]]];
 563             }
 564             i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
 565                             [NSString stringWithFormat: @"%p",
 566                             [[o_result objectAtIndex: [o_result count] - 1 ]
 567                             pointerValue]]]];
 568         }
 569         if (i_row > -1)
 570         {
 571             [o_outline_view selectRow:i_row byExtendingSelection: NO];
 572             [o_outline_view scrollRowToVisible: i_row];
 573         }
 574     }
 575     vlc_object_release(p_playlist);
 576
 577 }
 578
 579 - (NSMenu *)menuForEvent:(NSEvent *)o_event
 580 {
 581     NSPoint pt;
 582     vlc_bool_t b_rows;
 583     vlc_bool_t b_item_sel;
 584
 585     pt = [o_outline_view convertPoint: [o_event locationInWindow]
 586                                                  fromView: nil];
 587     b_item_sel = ( [o_outline_view rowAtPoint: pt] != -1 &&
 588                    [o_outline_view selectedRow] != -1 );
 589     b_rows = [o_outline_view numberOfRows] != 0;
 590
 591     [o_mi_play setEnabled: b_item_sel];
 592     [o_mi_delete setEnabled: b_item_sel];
 593     [o_mi_selectall setEnabled: b_rows];
 594     [o_mi_info setEnabled: b_item_sel];
 595
 596     return( o_ctx_menu );
 597 }
 598
 599 - (playlist_item_t *)selectedPlaylistItem
 600 {
 601     return [[o_outline_view itemAtRow: [o_outline_view selectedRow]]
 602                                                                 pointerValue];
 603 }
 604
 605 @end
 606
 607 @implementation VLCPlaylist (NSOutlineViewDataSource)
 608
 609 /* return the number of children for Obj-C pointer item */ /* DONE */
 610 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 611 {
 612     int i_return = 0;
 613     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 614                                                        FIND_ANYWHERE );
 615     if( p_playlist == NULL )
 616         return 0;
 617
 618     if( item == nil )
 619     {
 620         /* root object */
 621         playlist_view_t *p_view;
 622         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 623         if( p_view && p_view->p_root )
 624             i_return = p_view->p_root->i_children;
 625     }
 626     else
 627     {
 628         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 629         if( p_item )
 630             i_return = p_item->i_children;
 631     }
 632     vlc_object_release( p_playlist );
 633     if( i_return == -1 ) i_return = 0;
 634     msg_Dbg( p_playlist, "I have %d children", i_return );
 635     return i_return;
 636 }
 637
 638 /* return the child at index for the Obj-C pointer item */ /* DONE */
 639 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 640 {
 641     playlist_item_t *p_return = NULL;
 642     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 643                                                        FIND_ANYWHERE );
 644     NSValue * o_value;
 645
 646     if( p_playlist == NULL )
 647         return nil;
 648
 649     if( item == nil )
 650     {
 651         /* root object */
 652         playlist_view_t *p_view;
 653         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 654         if( p_view && index < p_view->p_root->i_children )
 655             p_return = p_view->p_root->pp_children[index];
 656     }
 657     else
 658     {
 659         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 660         if( p_item && index < p_item->i_children )
 661         {
 662             p_return = p_item->pp_children[index];
 663         }
 664     }
 665
 666     [o_status_field setStringValue: [NSString stringWithFormat:
 667                         _NS("%i items in playlist"), p_playlist->i_size]];
 668
 669     vlc_object_release( p_playlist );
 670     msg_Dbg( p_playlist, "childitem with index %d", index );
 671
 672     o_value = [NSValue valueWithPointer: p_return];
 673
 674     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",                                                                      p_return]];
 675     return o_value;
 676 }
 677
 678 /* is the item expandable */
 679 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 680 {
 681     int i_return = 0;
 682     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 683                                                        FIND_ANYWHERE );
 684     if( p_playlist == NULL )
 685         return NO;
 686
 687     if( item == nil )
 688     {
 689         /* root object */
 690         playlist_view_t *p_view;
 691         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 692         if( p_view && p_view->p_root )
 693             i_return = p_view->p_root->i_children;
 694     }
 695     else
 696     {
 697         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 698         if( p_item )
 699             i_return = p_item->i_children;
 700     }
 701     vlc_object_release( p_playlist );
 702
 703     if( i_return == -1 || i_return == 0 )
 704         return NO;
 705     else
 706         return YES;
 707 }
 708
 709 /* retrieve the string values for the cells */
 710 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
 711 {
 712     id o_value = nil;
 713     intf_thread_t * p_intf = VLCIntf;
 714     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 715                                                FIND_ANYWHERE );
 716     playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 717
 718     if( p_playlist == NULL || p_item == NULL )
 719     {
 720         return( @"error" );
 721     }
 722
 723     if( [[o_tc identifier] isEqualToString:@"1"] )
 724     {
 725         o_value = [NSString stringWithUTF8String:
 726             p_item->input.psz_name];
 727         if( o_value == NULL )
 728             o_value = [NSString stringWithCString:
 729                 p_item->input.psz_name];
 730     }
 731     else if( [[o_tc identifier] isEqualToString:@"2"] )
 732     {
 733         char *psz_temp;
 734         psz_temp = playlist_ItemGetInfo( p_item ,_("Meta-information"),_("Artist") );
 735
 736         if( psz_temp == NULL )
 737             o_value = @"";
 738         else
 739         {
 740             o_value = [NSString stringWithUTF8String: psz_temp];
 741             if( o_value == NULL )
 742             {
 743                 o_value = [NSString stringWithCString: psz_temp];
 744             }
 745             free( psz_temp );
 746         }
 747     }
 748     else if( [[o_tc identifier] isEqualToString:@"3"] )
 749     {
 750         char psz_duration[MSTRTIME_MAX_SIZE];
 751         mtime_t dur = p_item->input.i_duration;
 752         if( dur != -1 )
 753         {
 754             secstotimestr( psz_duration, dur/1000000 );
 755             o_value = [NSString stringWithUTF8String: psz_duration];
 756         }
 757         else
 758         {
 759             o_value = @"-:--:--";
 760         }
 761     }
 762
 763     vlc_object_release( p_playlist );
 764
 765     return( o_value );
 766 }
 767
 768 /* Required for drag & drop and reordering */
 769 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
 770 {
 771     return NO;
 772 }
 773
 774 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
 775 {
 776     return NSDragOperationNone;
 777 }
 778
 779 /* Delegate method of NSWindow */
 780 - (void)windowWillClose:(NSNotification *)aNotification
 781 {
 782     [o_btn_playlist setState: NSOffState];
 783 }
 784
 785 @end
 786
 787