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_mi_sort_name setTitle: _NS("Sort Node by Name")];
 156     [o_mi_sort_author setTitle: _NS("Sort Node by Author")];
 157     [[o_tc_name headerCell] setStringValue:_NS("Name")];
 158     [[o_tc_author headerCell] setStringValue:_NS("Author")];
 159     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
 160     [o_status_field setStringValue: [NSString stringWithFormat:
 161                         _NS("0 items in playlist")]];
 162
 163     [o_random_ckb setTitle: _NS("Random")];
 164 #if 0
 165     [o_search_button setTitle: _NS("Search")];
 166 #endif
 167     [o_btn_playlist setToolTip: _NS("Playlist")];
 168     [[o_loop_popup itemAtIndex:0] setTitle: _NS("Standard Play")];
 169     [[o_loop_popup itemAtIndex:1] setTitle: _NS("Repeat One")];
 170     [[o_loop_popup itemAtIndex:2] setTitle: _NS("Repeat All")];
 171 }
 172
 173 - (void)playlistUpdated
 174 {
 175     [o_outline_dict removeAllObjects];
 176     [o_outline_view reloadData];
 177 }
 178
 179 - (bool)isItem:(playlist_item_t *)p_item inNode:(playlist_item_t *)p_node
 180 {
 181     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 182                                           FIND_ANYWHERE );
 183     playlist_item_t * p_temp_item = p_item;
 184
 185     if ( p_playlist == NULL )
 186     {
 187         return NO;
 188     }
 189
 190     while ( p_temp_item->i_parents > 0 )
 191     {
 192         int i;
 193         for (i = 0; i < p_temp_item->i_parents ; i++)
 194         {
 195             if (p_temp_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 196             {
 197                 if (p_temp_item->pp_parents[i]->p_parent == p_node)
 198                 {
 199                     vlc_object_release(p_playlist);
 200                     return YES;
 201                 }
 202                 else
 203                 {
 204                     p_temp_item = p_temp_item->pp_parents[i]->p_parent;
 205                     break;
 206                 }
 207             }
 208         }
 209     }
 210
 211     vlc_object_release(p_playlist);
 212     return NO;
 213 }
 214
 215
 216 - (IBAction)playItem:(id)sender
 217 {
 218     intf_thread_t * p_intf = VLCIntf;
 219     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 220                                                        FIND_ANYWHERE );
 221
 222     if( p_playlist != NULL )
 223     {
 224         playlist_item_t *p_item;
 225         playlist_item_t *p_node = NULL;
 226         int i;
 227
 228         p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
 229
 230         if( p_item )
 231         {
 232             if (p_item->i_children == -1)
 233             {
 234                 for (i = 0 ; i < p_item->i_parents ; i++)
 235                 {
 236                     if (p_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 237                     {
 238                         p_node = p_item->pp_parents[i]->p_parent;
 239                     }
 240                 }
 241             }
 242             else
 243             {
 244                 p_node = p_item;
 245                 if (p_node->pp_children[0]->i_children == -1 &&
 246                     p_node->i_children > 0)
 247                 {
 248                     p_item = p_node->pp_children[0];
 249                 }
 250                 else
 251                 {
 252                     p_item = NULL;
 253                 }
 254             }
 255
 256 //        p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 257
 258
 259             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_node, p_item );
 260 //            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_view ? p_view->p_root : NULL, p_item );
 261         }
 262         vlc_object_release( p_playlist );
 263     }
 264 }
 265
 266 - (IBAction)selectAll:(id)sender
 267 {
 268     [o_outline_view selectAll: nil];
 269 }
 270
 271 - (IBAction)deleteItem:(id)sender
 272 {
 273     int i, c, i_row;
 274     NSMutableArray *o_to_delete;
 275     NSNumber *o_number;
 276
 277     playlist_t * p_playlist;
 278     intf_thread_t * p_intf = VLCIntf;
 279
 280     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 281                                           FIND_ANYWHERE );
 282
 283     if ( p_playlist == NULL )
 284     {
 285         return;
 286     }
 287     o_to_delete = [NSMutableArray arrayWithArray:[[o_outline_view selectedRowEnumerator] allObjects]];
 288     c = [o_to_delete count];
 289
 290     for( i = 0; i < c; i++ ) {
 291         playlist_item_t * p_item;
 292         o_number = [o_to_delete lastObject];
 293         i_row = [o_number intValue];
 294
 295         [o_to_delete removeObject: o_number];
 296         [o_outline_view deselectRow: i_row];
 297         p_item = (playlist_item_t *)[[o_outline_view itemAtRow: i_row]pointerValue];
 298         if (p_item->i_children > -1)
 299         {
 300             if (p_playlist->status.i_status)
 301             {
 302                 if ([self isItem:p_playlist->status.p_item inNode: p_item]
 303                                     == YES && p_playlist->status.i_status)
 304                 {
 305                     playlist_Stop( p_playlist );
 306                 }
 307             }
 308             playlist_NodeDelete( p_playlist, p_item, VLC_TRUE);
 309         }
 310         else
 311         {
 312             if( p_playlist->status.p_item == [[o_outline_view itemAtRow: i_row]
 313                         pointerValue] && p_playlist->status.i_status )
 314             {
 315                 playlist_Stop( p_playlist );
 316             }
 317             playlist_Delete( p_playlist, p_item->input.i_id );
 318         }
 319         [self playlistUpdated];
 320     }
 321 }
 322
 323 - (IBAction)sortNodeByName:(id)sender
 324 {
 325     [self sortNode: SORT_TITLE];
 326 }
 327
 328 - (IBAction)sortNodeByAuthor:(id)sender
 329 {
 330     [self sortNode: SORT_AUTHOR];
 331 }
 332
 333 - (void)sortNode:(int)i_mode
 334 {
 335     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 336                                           FIND_ANYWHERE );
 337     playlist_item_t * p_item;
 338
 339     if (p_playlist == NULL)
 340     {
 341         return;
 342     }
 343
 344     if ([o_outline_view selectedRow] > -1)
 345     {
 346         p_item = [[o_outline_view itemAtRow: [o_outline_view selectedRow]]
 347                                                                 pointerValue];
 348     }
 349     else
 350     /*If no item is selected, sort the whole playlist*/
 351     {
 352         playlist_view_t * p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 353         p_item = p_view->p_root;
 354     }
 355
 356     if (p_item->i_children > -1)
 357     {
 358         vlc_mutex_lock(&p_playlist->object_lock );
 359         playlist_RecursiveNodeSort( p_playlist, p_item, i_mode, ORDER_NORMAL );
 360         vlc_mutex_unlock(&p_playlist->object_lock );
 361     }
 362     else
 363     {
 364         int i;
 365
 366         for (i = 0 ; i < p_item->i_parents ; i++)
 367         {
 368             if (p_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 369             {
 370                 vlc_mutex_lock(&p_playlist->object_lock );
 371                 playlist_RecursiveNodeSort( p_playlist,
 372                         p_item->pp_parents[i]->p_parent, i_mode, ORDER_NORMAL );
 373                 vlc_mutex_unlock(&p_playlist->object_lock );
 374                 break;
 375             }
 376         }
 377     }
 378     vlc_object_release(p_playlist);
 379     [self playlistUpdated];
 380 }
 381
 382 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
 383 {
 384     int i_item;
 385     intf_thread_t * p_intf = VLCIntf;
 386     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 387                                                        FIND_ANYWHERE );
 388
 389     if( p_playlist == NULL )
 390     {
 391         return;
 392     }
 393
 394     for ( i_item = 0; i_item < (int)[o_array count]; i_item++ )
 395     {
 396         /* One item */
 397         NSDictionary *o_one_item;
 398         int j, i_total_options = 0, i_new_id = -1;
 399         int i_mode = PLAYLIST_INSERT;
 400         BOOL b_rem = FALSE, b_dir = FALSE;
 401         NSString *o_uri, *o_name;
 402         NSArray *o_options;
 403         NSURL *o_true_file;
 404         char **ppsz_options = NULL;
 405
 406         /* Get the item */
 407         o_one_item = [o_array objectAtIndex: i_item];
 408         o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
 409         o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
 410         o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
 411
 412         /* If no name, then make a guess */
 413         if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
 414
 415         if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
 416             [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
 417                     isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
 418         {
 419             /* All of this is to make sure CD's play when you D&D them on VLC */
 420             /* Converts mountpoint to a /dev file */
 421             struct statfs *buf;
 422             char *psz_dev;
 423             buf = (struct statfs *) malloc (sizeof(struct statfs));
 424             statfs( [o_uri fileSystemRepresentation], buf );
 425             psz_dev = strdup(buf->f_mntfromname);
 426             o_uri = [NSString stringWithCString: psz_dev ];
 427         }
 428
 429         if( o_options && [o_options count] > 0 )
 430         {
 431             /* Count the input options */
 432             i_total_options = [o_options count];
 433
 434             /* Allocate ppsz_options */
 435             for( j = 0; j < i_total_options; j++ )
 436             {
 437                 if( !ppsz_options )
 438                     ppsz_options = (char **)malloc( sizeof(char *) * i_total_options );
 439
 440                 ppsz_options[j] = strdup([[o_options objectAtIndex:j] UTF8String]);
 441             }
 442         }
 443
 444         /* Add the item */
 445         i_new_id = playlist_AddExt( p_playlist, [o_uri fileSystemRepresentation],
 446                       [o_name UTF8String], i_mode,
 447                       i_position == -1 ? PLAYLIST_END : i_position + i_item,
 448                       0, (ppsz_options != NULL ) ? (const char **)ppsz_options : 0, i_total_options );
 449
 450         /* clean up
 451         for( j = 0; j < i_total_options; j++ )
 452             free( ppsz_options[j] );
 453         if( ppsz_options ) free( ppsz_options ); */
 454
 455         /* Recent documents menu */
 456         o_true_file = [NSURL fileURLWithPath: o_uri];
 457         if( o_true_file != nil )
 458         {
 459             [[NSDocumentController sharedDocumentController]
 460                 noteNewRecentDocumentURL: o_true_file];
 461         }
 462
 463         if( i_item == 0 && !b_enqueue )
 464         {
 465             playlist_Goto( p_playlist, playlist_GetPositionById( p_playlist, i_new_id ) );
 466             playlist_Play( p_playlist );
 467         }
 468     }
 469
 470     vlc_object_release( p_playlist );
 471 }
 472
 473 - (IBAction)handlePopUp:(id)sender
 474
 475 {
 476              intf_thread_t * p_intf = VLCIntf;
 477              vlc_value_t val1,val2;
 478              playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 479                                                         FIND_ANYWHERE );
 480              if( p_playlist == NULL )
 481              {
 482                  return;
 483              }
 484
 485     switch ([o_loop_popup indexOfSelectedItem])
 486     {
 487         case 1:
 488
 489              val1.b_bool = 0;
 490              var_Set( p_playlist, "loop", val1 );
 491              val1.b_bool = 1;
 492              var_Set( p_playlist, "repeat", val1 );
 493              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 494         break;
 495
 496         case 2:
 497              val1.b_bool = 0;
 498              var_Set( p_playlist, "repeat", val1 );
 499              val1.b_bool = 1;
 500              var_Set( p_playlist, "loop", val1 );
 501              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 502         break;
 503
 504         default:
 505              var_Get( p_playlist, "repeat", &val1 );
 506              var_Get( p_playlist, "loop", &val2 );
 507              if (val1.b_bool || val2.b_bool)
 508              {
 509                   val1.b_bool = 0;
 510                   var_Set( p_playlist, "repeat", val1 );
 511                   var_Set( p_playlist, "loop", val1 );
 512                   vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 513              }
 514          break;
 515      }
 516      vlc_object_release( p_playlist );
 517      [self playlistUpdated];
 518 }
 519
 520 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
 521 {
 522     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 523                                                        FIND_ANYWHERE );
 524     playlist_item_t * p_selected_item;
 525     int i_current, i_selected_row;
 526
 527     if (!p_playlist)
 528         return NULL;
 529
 530     i_selected_row = [o_outline_view selectedRow];
 531     if (i_selected_row < 0)
 532         i_selected_row = 0;
 533
 534     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
 535                                             i_selected_row] pointerValue];
 536
 537     for (i_current = 0; i_current < p_item->i_children ; i_current++)
 538     {
 539         char * psz_temp;
 540         NSString * o_current_name, * o_current_author;
 541
 542         vlc_mutex_lock( &p_playlist->object_lock );
 543         o_current_name = [NSString stringWithUTF8String:
 544             p_item->pp_children[i_current]->input.psz_name];
 545         psz_temp = playlist_ItemGetInfo(p_item ,_("Meta-information"),_("Author") );
 546         o_current_author = [NSString stringWithUTF8String: psz_temp];
 547         free( psz_temp);
 548         vlc_mutex_unlock( &p_playlist->object_lock );
 549
 550         if (p_selected_item == p_item->pp_children[i_current] &&
 551                     b_selected_item_met == NO)
 552         {
 553             b_selected_item_met = YES;
 554         }
 555         else if (p_selected_item == p_item->pp_children[i_current] &&
 556                     b_selected_item_met == YES)
 557         {
 558             vlc_object_release(p_playlist);
 559             return NULL;
 560         }
 561         else if (b_selected_item_met == YES &&
 562                     ([o_current_name rangeOfString:[o_search_field
 563                         stringValue] options:NSCaseInsensitiveSearch ].length ||
 564                     [o_current_author rangeOfString:[o_search_field
 565                         stringValue] options:NSCaseInsensitiveSearch ].length))
 566         {
 567             vlc_object_release(p_playlist);
 568             /*Adds the parent items in the result array as well, so that we can
 569             expand the tree*/
 570             return [NSMutableArray arrayWithObject: [NSValue
 571                             valueWithPointer: p_item->pp_children[i_current]]];
 572         }
 573         if (p_item->pp_children[i_current]->i_children > 0)
 574         {
 575             id o_result = [self subSearchItem:
 576                                             p_item->pp_children[i_current]];
 577             if (o_result != NULL)
 578             {
 579                 vlc_object_release(p_playlist);
 580                 [o_result insertObject: [NSValue valueWithPointer:
 581                                 p_item->pp_children[i_current]] atIndex:0];
 582                 return o_result;
 583             }
 584         }
 585     }
 586     vlc_object_release(p_playlist);
 587     return NULL;
 588 }
 589
 590 - (IBAction)searchItem:(id)sender
 591 {
 592     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 593                                                        FIND_ANYWHERE );
 594     playlist_view_t * p_view;
 595     id o_result;
 596
 597     unsigned int i;
 598     int i_row = -1;
 599
 600     b_selected_item_met = NO;
 601
 602     if( p_playlist == NULL )
 603         return;
 604
 605     p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 606
 607     if (p_view)
 608     {
 609         /*First, only search after the selected item:*
 610          *(b_selected_item_met = NO)                 */
 611         o_result = [self subSearchItem:p_view->p_root];
 612         if (o_result == NULL)
 613         {
 614             /* If the first search failed, search again from the beginning */
 615             o_result = [self subSearchItem:p_view->p_root];
 616         }
 617         if (o_result != NULL)
 618         {
 619             for (i = 0 ; i < [o_result count] - 1 ; i++)
 620             {
 621                 [o_outline_view expandItem: [o_outline_dict objectForKey:
 622                             [NSString stringWithFormat: @"%p",
 623                             [[o_result objectAtIndex: i] pointerValue]]]];
 624             }
 625             i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
 626                             [NSString stringWithFormat: @"%p",
 627                             [[o_result objectAtIndex: [o_result count] - 1 ]
 628                             pointerValue]]]];
 629         }
 630         if (i_row > -1)
 631         {
 632             [o_outline_view selectRow:i_row byExtendingSelection: NO];
 633             [o_outline_view scrollRowToVisible: i_row];
 634         }
 635     }
 636     vlc_object_release(p_playlist);
 637
 638 }
 639
 640 - (NSMenu *)menuForEvent:(NSEvent *)o_event
 641 {
 642     NSPoint pt;
 643     vlc_bool_t b_rows;
 644     vlc_bool_t b_item_sel;
 645
 646     pt = [o_outline_view convertPoint: [o_event locationInWindow]
 647                                                  fromView: nil];
 648     b_item_sel = ( [o_outline_view rowAtPoint: pt] != -1 &&
 649                    [o_outline_view selectedRow] != -1 );
 650     b_rows = [o_outline_view numberOfRows] != 0;
 651
 652     [o_mi_play setEnabled: b_item_sel];
 653     [o_mi_delete setEnabled: b_item_sel];
 654     [o_mi_selectall setEnabled: b_rows];
 655     [o_mi_info setEnabled: b_item_sel];
 656
 657     return( o_ctx_menu );
 658 }
 659
 660 - (playlist_item_t *)selectedPlaylistItem
 661 {
 662     return [[o_outline_view itemAtRow: [o_outline_view selectedRow]]
 663                                                                 pointerValue];
 664 }
 665
 666 @end
 667
 668 @implementation VLCPlaylist (NSOutlineViewDataSource)
 669
 670 /* return the number of children for Obj-C pointer item */ /* DONE */
 671 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 672 {
 673     int i_return = 0;
 674     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 675                                                        FIND_ANYWHERE );
 676     if( p_playlist == NULL )
 677         return 0;
 678
 679     if( item == nil )
 680     {
 681         /* root object */
 682         playlist_view_t *p_view;
 683         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 684         if( p_view && p_view->p_root )
 685             i_return = p_view->p_root->i_children;
 686     }
 687     else
 688     {
 689         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 690         if( p_item )
 691             i_return = p_item->i_children;
 692     }
 693     vlc_object_release( p_playlist );
 694     if( i_return == -1 ) i_return = 0;
 695     msg_Dbg( p_playlist, "I have %d children", i_return );
 696     return i_return;
 697 }
 698
 699 /* return the child at index for the Obj-C pointer item */ /* DONE */
 700 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 701 {
 702     playlist_item_t *p_return = NULL;
 703     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 704                                                        FIND_ANYWHERE );
 705     NSValue * o_value;
 706
 707     if( p_playlist == NULL )
 708         return nil;
 709
 710     if( item == nil )
 711     {
 712         /* root object */
 713         playlist_view_t *p_view;
 714         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 715         if( p_view && index < p_view->p_root->i_children )
 716             p_return = p_view->p_root->pp_children[index];
 717     }
 718     else
 719     {
 720         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 721         if( p_item && index < p_item->i_children )
 722         {
 723             p_return = p_item->pp_children[index];
 724         }
 725     }
 726
 727     [o_status_field setStringValue: [NSString stringWithFormat:
 728                         _NS("%i items in playlist"), p_playlist->i_size]];
 729
 730     vlc_object_release( p_playlist );
 731     msg_Dbg( p_playlist, "childitem with index %d", index );
 732
 733     o_value = [NSValue valueWithPointer: p_return];
 734
 735     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",                                                                      p_return]];
 736     return o_value;
 737 }
 738
 739 /* is the item expandable */
 740 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 741 {
 742     int i_return = 0;
 743     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 744                                                        FIND_ANYWHERE );
 745     if( p_playlist == NULL )
 746         return NO;
 747
 748     if( item == nil )
 749     {
 750         /* root object */
 751         playlist_view_t *p_view;
 752         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 753         if( p_view && p_view->p_root )
 754             i_return = p_view->p_root->i_children;
 755     }
 756     else
 757     {
 758         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 759         if( p_item )
 760             i_return = p_item->i_children;
 761     }
 762     vlc_object_release( p_playlist );
 763
 764     if( i_return == -1 || i_return == 0 )
 765         return NO;
 766     else
 767         return YES;
 768 }
 769
 770 /* retrieve the string values for the cells */
 771 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
 772 {
 773     id o_value = nil;
 774     intf_thread_t * p_intf = VLCIntf;
 775     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 776                                                FIND_ANYWHERE );
 777     playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 778
 779     if( p_playlist == NULL || p_item == NULL )
 780     {
 781         return( @"error" );
 782     }
 783
 784     if( [[o_tc identifier] isEqualToString:@"1"] )
 785     {
 786         o_value = [NSString stringWithUTF8String:
 787             p_item->input.psz_name];
 788         if( o_value == NULL )
 789             o_value = [NSString stringWithCString:
 790                 p_item->input.psz_name];
 791     }
 792     else if( [[o_tc identifier] isEqualToString:@"2"] )
 793     {
 794         char *psz_temp;
 795         psz_temp = playlist_ItemGetInfo( p_item ,_("Meta-information"),_("Artist") );
 796
 797         if( psz_temp == NULL )
 798             o_value = @"";
 799         else
 800         {
 801             o_value = [NSString stringWithUTF8String: psz_temp];
 802             if( o_value == NULL )
 803             {
 804                 o_value = [NSString stringWithCString: psz_temp];
 805             }
 806             free( psz_temp );
 807         }
 808     }
 809     else if( [[o_tc identifier] isEqualToString:@"3"] )
 810     {
 811         char psz_duration[MSTRTIME_MAX_SIZE];
 812         mtime_t dur = p_item->input.i_duration;
 813         if( dur != -1 )
 814         {
 815             secstotimestr( psz_duration, dur/1000000 );
 816             o_value = [NSString stringWithUTF8String: psz_duration];
 817         }
 818         else
 819         {
 820             o_value = @"-:--:--";
 821         }
 822     }
 823
 824     vlc_object_release( p_playlist );
 825
 826     return( o_value );
 827 }
 828
 829 /* Required for drag & drop and reordering */
 830 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
 831 {
 832     return NO;
 833 }
 834
 835 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
 836 {
 837     return NSDragOperationNone;
 838 }
 839
 840 /* Delegate method of NSWindow */
 841 - (void)windowWillClose:(NSNotification *)aNotification
 842 {
 843     [o_btn_playlist setState: NSOffState];
 844 }
 845
 846 @end
 847
 848