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 - reloadPlaylist
  69 {
  70     [[self delegate] initDict];
  71     [self reloadData];
  72 }
  73
  74 - (bool)isItem:(playlist_item_t *)p_item inNode:(playlist_item_t *)p_node
  75 {
  76     int i;
  77     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
  78                                           FIND_ANYWHERE );
  79     if ( p_playlist == NULL )
  80     {
  81         return NO;
  82     }
  83
  84     for (i = 0 ; i < p_node->i_children ; i++)
  85     {
  86         if (p_node->pp_children[i]->i_children > 0)
  87         {
  88             if ([self isItem: p_item inNode:p_node->pp_children[i]] == YES)
  89             {
  90                 vlc_object_release(p_playlist);
  91                 return YES;
  92             }
  93         }
  94         else if (p_node->pp_children[i] == p_item)
  95         {
  96             vlc_object_release(p_playlist);
  97             return YES;
  98         }
  99     }
 100
 101     vlc_object_release(p_playlist);
 102     return NO;
 103 }
 104
 105 - (void)keyDown:(NSEvent *)o_event
 106 {
 107     unichar key = 0;
 108     int i, c, i_row;
 109     NSMutableArray *o_to_delete;
 110     NSNumber *o_number;
 111
 112     playlist_t * p_playlist;
 113     intf_thread_t * p_intf = VLCIntf;
 114 msg_Dbg( p_intf, "KEYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY");
 115     if( [[o_event characters] length] )
 116     {
 117         key = [[o_event characters] characterAtIndex: 0];
 118     }
 119
 120     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 121                                           FIND_ANYWHERE );
 122
 123     if ( p_playlist == NULL )
 124     {
 125         return;
 126     }
 127
 128     switch( key )
 129     {
 130         case NSDeleteCharacter:
 131         case NSDeleteFunctionKey:
 132         case NSDeleteCharFunctionKey:
 133         case NSBackspaceCharacter:
 134             o_to_delete = [NSMutableArray arrayWithArray:[[self selectedRowEnumerator] allObjects]];
 135             c = [o_to_delete count];
 136
 137             for( i = 0; i < c; i++ ) {
 138                 playlist_item_t * p_item;
 139                 o_number = [o_to_delete lastObject];
 140                 i_row = [o_number intValue];
 141
 142                 [o_to_delete removeObject: o_number];
 143                 [self deselectRow: i_row];
 144                 p_item = (playlist_item_t *)[[self itemAtRow: i_row]pointerValue];
 145                 if (p_item->i_children > -1)
 146                 {
 147                     if ([self isItem:p_playlist->status.p_item inNode: p_item]
 148                                         == YES && p_playlist->status.i_status)
 149                     {
 150                         playlist_Stop( p_playlist );
 151                     }
 152                     playlist_NodeDelete( p_playlist, p_item, VLC_TRUE);
 153                 }
 154                 else
 155                 {
 156                     if( p_playlist->status.p_item == [[self itemAtRow: i_row]
 157                                 pointerValue] && p_playlist->status.i_status )
 158                     {
 159                         playlist_Stop( p_playlist );
 160                     }
 161                     playlist_Delete( p_playlist, p_item->input.i_id );
 162                 }
 163                 [self reloadPlaylist];
 164             }
 165             break;
 166
 167         default:
 168             [super keyDown: o_event];
 169             break;
 170     }
 171
 172     if( p_playlist != NULL )
 173     {
 174         vlc_object_release( p_playlist );
 175     }
 176 }
 177
 178 @end
 179
 180 /*****************************************************************************
 181  * VLCPlaylist implementation
 182  *****************************************************************************/
 183 @implementation VLCPlaylist
 184
 185 - (id)init
 186 {
 187     self = [super init];
 188     if ( self !=nil )
 189     {
 190         //i_moveRow = -1;
 191     }
 192     return self;
 193 }
 194
 195 - (void)awakeFromNib
 196 {
 197     [o_outline_view setTarget: self];
 198     [o_outline_view setDelegate: self];
 199     [o_outline_view setDataSource: self];
 200
 201     [o_outline_view setDoubleAction: @selector(playItem:)];
 202
 203     [o_outline_view registerForDraggedTypes:
 204         [NSArray arrayWithObjects: NSFilenamesPboardType, nil]];
 205     [o_outline_view setIntercellSpacing: NSMakeSize (0.0, 1.0)];
 206
 207 /* We need to check whether _defaultTableHeaderSortImage exists, since it
 208 belongs to an Apple hidden private API, and then can "disapear" at any time*/
 209
 210     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderSortImage)] )
 211     {
 212         o_ascendingSortingImage = [[NSOutlineView class] _defaultTableHeaderSortImage];
 213     }
 214     else
 215     {
 216         o_ascendingSortingImage = nil;
 217     }
 218
 219     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderReverseSortImage)] )
 220     {
 221         o_descendingSortingImage = [[NSOutlineView class] _defaultTableHeaderReverseSortImage];
 222     }
 223     else
 224     {
 225         o_descendingSortingImage = nil;
 226     }
 227
 228     o_outline_dict = [[NSMutableDictionary alloc] init];
 229
 230     [self initStrings];
 231     //[self playlistUpdated];
 232 }
 233
 234 - (void)initStrings
 235 {
 236     [o_mi_save_playlist setTitle: _NS("Save Playlist...")];
 237 #if 0
 238     [o_mi_play setTitle: _NS("Play")];
 239     [o_mi_delete setTitle: _NS("Delete")];
 240     [o_mi_selectall setTitle: _NS("Select All")];
 241     [o_mi_toggleItemsEnabled setTitle: _NS("Item Enabled")];
 242     [o_mi_enableGroup setTitle: _NS("Enable all group items")];
 243     [o_mi_disableGroup setTitle: _NS("Disable all group items")];
 244     [o_mi_info setTitle: _NS("Properties")];
 245 #endif
 246     [[o_tc_name headerCell] setStringValue:_NS("Name")];
 247     [[o_tc_author headerCell] setStringValue:_NS("Author")];
 248     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
 249     [o_status_field setStringValue: [NSString stringWithFormat:
 250                         _NS("0 items in playlist")]];
 251
 252     [o_random_ckb setTitle: _NS("Random")];
 253 #if 0
 254     [o_search_button setTitle: _NS("Search")];
 255 #endif
 256     [o_btn_playlist setToolTip: _NS("Playlist")];
 257     [[o_loop_popup itemAtIndex:0] setTitle: _NS("Standard Play")];
 258     [[o_loop_popup itemAtIndex:1] setTitle: _NS("Repeat One")];
 259     [[o_loop_popup itemAtIndex:2] setTitle: _NS("Repeat All")];
 260 }
 261
 262 - (void)playlistUpdated
 263 {
 264     [o_outline_view reloadData];
 265 }
 266
 267 - (IBAction)playItem:(id)sender
 268 {
 269     intf_thread_t * p_intf = VLCIntf;
 270     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 271                                                        FIND_ANYWHERE );
 272
 273     if( p_playlist != NULL )
 274     {
 275         playlist_item_t *p_item;
 276         playlist_item_t *p_node = NULL;
 277         int i;
 278
 279         p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
 280
 281         if( p_item )
 282         {
 283             if (p_item->i_children == -1)
 284             {
 285                 for (i = 0 ; i < p_item->i_parents ; i++)
 286                 {
 287                     if (p_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 288                     {
 289                         p_node = p_item->pp_parents[i]->p_parent;
 290                     }
 291                 }
 292             }
 293             else
 294             {
 295                 p_node = p_item;
 296                 if (p_node->pp_children[0]->i_children == -1 &&
 297                     p_node->i_children > 0)
 298                 {
 299                     p_item = p_node->pp_children[0];
 300                 }
 301                 else
 302                 {
 303                     p_item = NULL;
 304                 }
 305             }
 306
 307 //        p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 308
 309
 310             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_node, p_item );
 311 //            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_view ? p_view->p_root : NULL, p_item );
 312         }
 313         vlc_object_release( p_playlist );
 314     }
 315 }
 316
 317 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
 318 {
 319     int i_item;
 320     intf_thread_t * p_intf = VLCIntf;
 321     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 322                                                        FIND_ANYWHERE );
 323
 324     if( p_playlist == NULL )
 325     {
 326         return;
 327     }
 328
 329     for ( i_item = 0; i_item < (int)[o_array count]; i_item++ )
 330     {
 331         /* One item */
 332         NSDictionary *o_one_item;
 333         int j, i_total_options = 0, i_new_id = -1;
 334         int i_mode = PLAYLIST_INSERT;
 335         BOOL b_rem = FALSE, b_dir = FALSE;
 336         NSString *o_uri, *o_name;
 337         NSArray *o_options;
 338         NSURL *o_true_file;
 339         char **ppsz_options = NULL;
 340
 341         /* Get the item */
 342         o_one_item = [o_array objectAtIndex: i_item];
 343         o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
 344         o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
 345         o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
 346
 347         /* If no name, then make a guess */
 348         if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
 349
 350         if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
 351             [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
 352                     isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
 353         {
 354             /* All of this is to make sure CD's play when you D&D them on VLC */
 355             /* Converts mountpoint to a /dev file */
 356             struct statfs *buf;
 357             char *psz_dev;
 358             buf = (struct statfs *) malloc (sizeof(struct statfs));
 359             statfs( [o_uri fileSystemRepresentation], buf );
 360             psz_dev = strdup(buf->f_mntfromname);
 361             o_uri = [NSString stringWithCString: psz_dev ];
 362         }
 363
 364         if( o_options && [o_options count] > 0 )
 365         {
 366             /* Count the input options */
 367             i_total_options = [o_options count];
 368
 369             /* Allocate ppsz_options */
 370             for( j = 0; j < i_total_options; j++ )
 371             {
 372                 if( !ppsz_options )
 373                     ppsz_options = (char **)malloc( sizeof(char *) * i_total_options );
 374
 375                 ppsz_options[j] = strdup([[o_options objectAtIndex:j] UTF8String]);
 376             }
 377         }
 378
 379         /* Add the item */
 380         i_new_id = playlist_AddExt( p_playlist, [o_uri fileSystemRepresentation],
 381                       [o_name UTF8String], i_mode,
 382                       i_position == -1 ? PLAYLIST_END : i_position + i_item,
 383                       0, (ppsz_options != NULL ) ? (const char **)ppsz_options : 0, i_total_options );
 384
 385         /* clean up
 386         for( j = 0; j < i_total_options; j++ )
 387             free( ppsz_options[j] );
 388         if( ppsz_options ) free( ppsz_options ); */
 389
 390         /* Recent documents menu */
 391         o_true_file = [NSURL fileURLWithPath: o_uri];
 392         if( o_true_file != nil )
 393         {
 394             [[NSDocumentController sharedDocumentController]
 395                 noteNewRecentDocumentURL: o_true_file];
 396         }
 397
 398         if( i_item == 0 && !b_enqueue )
 399         {
 400             playlist_Goto( p_playlist, playlist_GetPositionById( p_playlist, i_new_id ) );
 401             playlist_Play( p_playlist );
 402         }
 403     }
 404
 405     vlc_object_release( p_playlist );
 406 }
 407
 408 - (IBAction)handlePopUp:(id)sender
 409
 410 {
 411              intf_thread_t * p_intf = VLCIntf;
 412              vlc_value_t val1,val2;
 413              playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 414                                                         FIND_ANYWHERE );
 415              if( p_playlist == NULL )
 416              {
 417                  return;
 418              }
 419
 420     switch ([o_loop_popup indexOfSelectedItem])
 421     {
 422         case 1:
 423
 424              val1.b_bool = 0;
 425              var_Set( p_playlist, "loop", val1 );
 426              val1.b_bool = 1;
 427              var_Set( p_playlist, "repeat", val1 );
 428              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 429         break;
 430
 431         case 2:
 432              val1.b_bool = 0;
 433              var_Set( p_playlist, "repeat", val1 );
 434              val1.b_bool = 1;
 435              var_Set( p_playlist, "loop", val1 );
 436              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 437         break;
 438
 439         default:
 440              var_Get( p_playlist, "repeat", &val1 );
 441              var_Get( p_playlist, "loop", &val2 );
 442              if (val1.b_bool || val2.b_bool)
 443              {
 444                   val1.b_bool = 0;
 445                   var_Set( p_playlist, "repeat", val1 );
 446                   var_Set( p_playlist, "loop", val1 );
 447                   vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 448              }
 449          break;
 450      }
 451      vlc_object_release( p_playlist );
 452      [self playlistUpdated];
 453 }
 454
 455 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
 456 {
 457     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 458                                                        FIND_ANYWHERE );
 459     playlist_item_t * p_selected_item;
 460     int i_current, i_selected_row;
 461
 462     if (!p_playlist)
 463         return NULL;
 464
 465     i_selected_row = [o_outline_view selectedRow];
 466     if (i_selected_row < 0)
 467         i_selected_row = 0;
 468
 469     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
 470                                             i_selected_row] pointerValue];
 471
 472     for (i_current = 0; i_current < p_item->i_children ; i_current++)
 473     {
 474         char * psz_temp;
 475         NSString * o_current_name, * o_current_author;
 476
 477         vlc_mutex_lock( &p_playlist->object_lock );
 478         o_current_name = [NSString stringWithUTF8String:
 479             p_item->pp_children[i_current]->input.psz_name];
 480         psz_temp = playlist_ItemGetInfo(p_item ,_("Meta-information"),_("Author") );
 481         o_current_author = [NSString stringWithUTF8String: psz_temp];
 482         free( psz_temp);
 483         vlc_mutex_unlock( &p_playlist->object_lock );
 484
 485         if (p_selected_item == p_item->pp_children[i_current] &&
 486                     b_selected_item_met == NO)
 487         {
 488             b_selected_item_met = YES;
 489         }
 490         else if (p_selected_item == p_item->pp_children[i_current] &&
 491                     b_selected_item_met == YES)
 492         {
 493             vlc_object_release(p_playlist);
 494             return NULL;
 495         }
 496         else if (b_selected_item_met == YES &&
 497                     ([o_current_name rangeOfString:[o_search_field
 498                         stringValue] options:NSCaseInsensitiveSearch ].length ||
 499                     [o_current_author rangeOfString:[o_search_field
 500                         stringValue] options:NSCaseInsensitiveSearch ].length))
 501         {
 502             vlc_object_release(p_playlist);
 503             /*Adds the parent items in the result array as well, so that we can
 504             expand the tree*/
 505             return [NSMutableArray arrayWithObject: [NSValue
 506                             valueWithPointer: p_item->pp_children[i_current]]];
 507         }
 508         if (p_item->pp_children[i_current]->i_children > 0)
 509         {
 510             id o_result = [self subSearchItem:
 511                                             p_item->pp_children[i_current]];
 512             if (o_result != NULL)
 513             {
 514                 vlc_object_release(p_playlist);
 515                 [o_result insertObject: [NSValue valueWithPointer:
 516                                 p_item->pp_children[i_current]] atIndex:0];
 517                 return o_result;
 518             }
 519         }
 520     }
 521     vlc_object_release(p_playlist);
 522     return NULL;
 523 }
 524
 525 - (IBAction)searchItem:(id)sender
 526 {
 527     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 528                                                        FIND_ANYWHERE );
 529     playlist_view_t * p_view;
 530     id o_result;
 531
 532     unsigned int i;
 533     int i_row = -1;
 534
 535     b_selected_item_met = NO;
 536
 537     if( p_playlist == NULL )
 538         return;
 539
 540     p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 541
 542     if (p_view)
 543     {
 544         /*First, only search after the selected item:*
 545          *(b_selected_item_met = NO)                 */
 546         o_result = [self subSearchItem:p_view->p_root];
 547         if (o_result == NULL)
 548         {
 549             /* If the first search failed, search again from the beginning */
 550             o_result = [self subSearchItem:p_view->p_root];
 551         }
 552         if (o_result != NULL)
 553         {
 554             for (i = 0 ; i < [o_result count] - 1 ; i++)
 555             {
 556                 [o_outline_view expandItem: [o_outline_dict objectForKey:
 557                             [NSString stringWithFormat: @"%p",
 558                             [[o_result objectAtIndex: i] pointerValue]]]];
 559             }
 560             i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
 561                             [NSString stringWithFormat: @"%p",
 562                             [[o_result objectAtIndex: [o_result count] - 1 ]
 563                             pointerValue]]]];
 564         }
 565         if (i_row > -1)
 566         {
 567             [o_outline_view selectRow:i_row byExtendingSelection: NO];
 568             [o_outline_view scrollRowToVisible: i_row];
 569         }
 570     }
 571     vlc_object_release(p_playlist);
 572
 573 }
 574
 575 - (void)initDict
 576 {
 577     [o_outline_dict removeAllObjects];
 578 }
 579
 580 @end
 581
 582 @implementation VLCPlaylist (NSOutlineViewDataSource)
 583
 584 /* return the number of children for Obj-C pointer item */ /* DONE */
 585 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 586 {
 587     int i_return = 0;
 588     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 589                                                        FIND_ANYWHERE );
 590     if( p_playlist == NULL )
 591         return 0;
 592
 593     if( item == nil )
 594     {
 595         /* root object */
 596         playlist_view_t *p_view;
 597         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 598         if( p_view && p_view->p_root )
 599             i_return = p_view->p_root->i_children;
 600     }
 601     else
 602     {
 603         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 604         if( p_item )
 605             i_return = p_item->i_children;
 606     }
 607     vlc_object_release( p_playlist );
 608     if( i_return == -1 ) i_return = 0;
 609     msg_Dbg( p_playlist, "I have %d children", i_return );
 610     return i_return;
 611 }
 612
 613 /* return the child at index for the Obj-C pointer item */ /* DONE */
 614 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 615 {
 616     playlist_item_t *p_return = NULL;
 617     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 618                                                        FIND_ANYWHERE );
 619     NSValue * o_value;
 620
 621     if( p_playlist == NULL )
 622         return nil;
 623
 624     if( item == nil )
 625     {
 626         /* root object */
 627         playlist_view_t *p_view;
 628         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 629         if( p_view && index < p_view->p_root->i_children )
 630             p_return = p_view->p_root->pp_children[index];
 631     }
 632     else
 633     {
 634         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 635         if( p_item && index < p_item->i_children )
 636         {
 637             p_return = p_item->pp_children[index];
 638         }
 639     }
 640
 641     [o_status_field setStringValue: [NSString stringWithFormat:
 642                         _NS("%i items in playlist"), p_playlist->i_size]];
 643
 644     vlc_object_release( p_playlist );
 645     msg_Dbg( p_playlist, "childitem with index %d", index );
 646
 647     o_value = [NSValue valueWithPointer: p_return];
 648
 649     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",                                                                      p_return]];
 650     return o_value;
 651 }
 652
 653 /* is the item expandable */
 654 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 655 {
 656     int i_return = 0;
 657     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 658                                                        FIND_ANYWHERE );
 659     if( p_playlist == NULL )
 660         return NO;
 661
 662     if( item == nil )
 663     {
 664         /* root object */
 665         playlist_view_t *p_view;
 666         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 667         if( p_view && p_view->p_root )
 668             i_return = p_view->p_root->i_children;
 669     }
 670     else
 671     {
 672         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 673         if( p_item )
 674             i_return = p_item->i_children;
 675     }
 676     vlc_object_release( p_playlist );
 677
 678     if( i_return == -1 || i_return == 0 )
 679         return NO;
 680     else
 681         return YES;
 682 }
 683
 684 /* retrieve the string values for the cells */
 685 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
 686 {
 687     id o_value = nil;
 688     intf_thread_t * p_intf = VLCIntf;
 689     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 690                                                FIND_ANYWHERE );
 691     playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 692
 693     if( p_playlist == NULL || p_item == NULL )
 694     {
 695         return( @"error" );
 696     }
 697
 698     if( [[o_tc identifier] isEqualToString:@"1"] )
 699     {
 700         o_value = [NSString stringWithUTF8String:
 701             p_item->input.psz_name];
 702         if( o_value == NULL )
 703             o_value = [NSString stringWithCString:
 704                 p_item->input.psz_name];
 705     }
 706     else if( [[o_tc identifier] isEqualToString:@"2"] )
 707     {
 708         char *psz_temp;
 709         psz_temp = playlist_ItemGetInfo( p_item ,_("Meta-information"),_("Artist") );
 710
 711         if( psz_temp == NULL )
 712             o_value = @"";
 713         else
 714         {
 715             o_value = [NSString stringWithUTF8String: psz_temp];
 716             if( o_value == NULL )
 717             {
 718                 o_value = [NSString stringWithCString: psz_temp];
 719             }
 720             free( psz_temp );
 721         }
 722     }
 723     else if( [[o_tc identifier] isEqualToString:@"3"] )
 724     {
 725         char psz_duration[MSTRTIME_MAX_SIZE];
 726         mtime_t dur = p_item->input.i_duration;
 727         if( dur != -1 )
 728         {
 729             secstotimestr( psz_duration, dur/1000000 );
 730             o_value = [NSString stringWithUTF8String: psz_duration];
 731         }
 732         else
 733         {
 734             o_value = @"-:--:--";
 735         }
 736     }
 737
 738     vlc_object_release( p_playlist );
 739
 740     return( o_value );
 741 }
 742
 743 /* Required for drag & drop and reordering */
 744 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
 745 {
 746     return NO;
 747 }
 748
 749 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
 750 {
 751     return NSDragOperationNone;
 752 }
 753
 754 /* Delegate method of NSWindow */
 755 - (void)windowWillClose:(NSNotification *)aNotification
 756 {
 757     [o_btn_playlist setState: NSOffState];
 758 }
 759
 760 @end
 761
 762