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     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
  77                                           FIND_ANYWHERE );
  78     playlist_item_t * p_temp_item = p_item;
  79
  80     if ( p_playlist == NULL )
  81     {
  82         return NO;
  83     }
  84
  85     while ( p_temp_item->i_parents > 0 )
  86     {
  87         int i;
  88         for (i = 0; i < p_temp_item->i_parents ; i++)
  89         {
  90             if (p_temp_item->pp_parents[i]->i_view == VIEW_SIMPLE)
  91             {
  92                 if (p_temp_item->pp_parents[i]->p_parent == p_node)
  93                 {
  94                     vlc_object_release(p_playlist);
  95                     return YES;
  96                 }
  97                 else
  98                 {
  99                     p_temp_item = p_temp_item->pp_parents[i]->p_parent;
 100                     break;
 101                 }
 102             }
 103         }
 104     }
 105
 106     vlc_object_release(p_playlist);
 107     return NO;
 108 }
 109
 110 - (void)keyDown:(NSEvent *)o_event
 111 {
 112     unichar key = 0;
 113     int i, c, i_row;
 114     NSMutableArray *o_to_delete;
 115     NSNumber *o_number;
 116
 117     playlist_t * p_playlist;
 118     intf_thread_t * p_intf = VLCIntf;
 119 msg_Dbg( p_intf, "KEYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY");
 120     if( [[o_event characters] length] )
 121     {
 122         key = [[o_event characters] characterAtIndex: 0];
 123     }
 124
 125     p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 126                                           FIND_ANYWHERE );
 127
 128     if ( p_playlist == NULL )
 129     {
 130         return;
 131     }
 132
 133     switch( key )
 134     {
 135         case NSDeleteCharacter:
 136         case NSDeleteFunctionKey:
 137         case NSDeleteCharFunctionKey:
 138         case NSBackspaceCharacter:
 139             o_to_delete = [NSMutableArray arrayWithArray:[[self selectedRowEnumerator] allObjects]];
 140             c = [o_to_delete count];
 141
 142             for( i = 0; i < c; i++ ) {
 143                 playlist_item_t * p_item;
 144                 o_number = [o_to_delete lastObject];
 145                 i_row = [o_number intValue];
 146
 147                 [o_to_delete removeObject: o_number];
 148                 [self deselectRow: i_row];
 149                 p_item = (playlist_item_t *)[[self itemAtRow: i_row]pointerValue];
 150                 if (p_item->i_children > -1)
 151                 {
 152                     if ([self isItem:p_playlist->status.p_item inNode: p_item]
 153                                         == YES && p_playlist->status.i_status)
 154                     {
 155                         playlist_Stop( p_playlist );
 156                     }
 157                     playlist_NodeDelete( p_playlist, p_item, VLC_TRUE);
 158                 }
 159                 else
 160                 {
 161                     if( p_playlist->status.p_item == [[self itemAtRow: i_row]
 162                                 pointerValue] && p_playlist->status.i_status )
 163                     {
 164                         playlist_Stop( p_playlist );
 165                     }
 166                     playlist_Delete( p_playlist, p_item->input.i_id );
 167                 }
 168                 [self reloadPlaylist];
 169             }
 170             break;
 171
 172         default:
 173             [super keyDown: o_event];
 174             break;
 175     }
 176
 177     if( p_playlist != NULL )
 178     {
 179         vlc_object_release( p_playlist );
 180     }
 181 }
 182
 183 @end
 184
 185 /*****************************************************************************
 186  * VLCPlaylist implementation
 187  *****************************************************************************/
 188 @implementation VLCPlaylist
 189
 190 - (id)init
 191 {
 192     self = [super init];
 193     if ( self !=nil )
 194     {
 195         //i_moveRow = -1;
 196     }
 197     return self;
 198 }
 199
 200 - (void)awakeFromNib
 201 {
 202     [o_outline_view setTarget: self];
 203     [o_outline_view setDelegate: self];
 204     [o_outline_view setDataSource: self];
 205
 206     [o_outline_view setDoubleAction: @selector(playItem:)];
 207
 208     [o_outline_view registerForDraggedTypes:
 209         [NSArray arrayWithObjects: NSFilenamesPboardType, nil]];
 210     [o_outline_view setIntercellSpacing: NSMakeSize (0.0, 1.0)];
 211
 212 /* We need to check whether _defaultTableHeaderSortImage exists, since it
 213 belongs to an Apple hidden private API, and then can "disapear" at any time*/
 214
 215     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderSortImage)] )
 216     {
 217         o_ascendingSortingImage = [[NSOutlineView class] _defaultTableHeaderSortImage];
 218     }
 219     else
 220     {
 221         o_ascendingSortingImage = nil;
 222     }
 223
 224     if( [[NSOutlineView class] respondsToSelector:@selector(_defaultTableHeaderReverseSortImage)] )
 225     {
 226         o_descendingSortingImage = [[NSOutlineView class] _defaultTableHeaderReverseSortImage];
 227     }
 228     else
 229     {
 230         o_descendingSortingImage = nil;
 231     }
 232
 233     o_outline_dict = [[NSMutableDictionary alloc] init];
 234
 235     [self initStrings];
 236     //[self playlistUpdated];
 237 }
 238
 239 - (void)initStrings
 240 {
 241     [o_mi_save_playlist setTitle: _NS("Save Playlist...")];
 242 #if 0
 243     [o_mi_play setTitle: _NS("Play")];
 244     [o_mi_delete setTitle: _NS("Delete")];
 245     [o_mi_selectall setTitle: _NS("Select All")];
 246     [o_mi_toggleItemsEnabled setTitle: _NS("Item Enabled")];
 247     [o_mi_enableGroup setTitle: _NS("Enable all group items")];
 248     [o_mi_disableGroup setTitle: _NS("Disable all group items")];
 249     [o_mi_info setTitle: _NS("Properties")];
 250 #endif
 251     [[o_tc_name headerCell] setStringValue:_NS("Name")];
 252     [[o_tc_author headerCell] setStringValue:_NS("Author")];
 253     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
 254     [o_status_field setStringValue: [NSString stringWithFormat:
 255                         _NS("0 items in playlist")]];
 256
 257     [o_random_ckb setTitle: _NS("Random")];
 258 #if 0
 259     [o_search_button setTitle: _NS("Search")];
 260 #endif
 261     [o_btn_playlist setToolTip: _NS("Playlist")];
 262     [[o_loop_popup itemAtIndex:0] setTitle: _NS("Standard Play")];
 263     [[o_loop_popup itemAtIndex:1] setTitle: _NS("Repeat One")];
 264     [[o_loop_popup itemAtIndex:2] setTitle: _NS("Repeat All")];
 265 }
 266
 267 - (void)playlistUpdated
 268 {
 269     [o_outline_view reloadData];
 270 }
 271
 272 - (IBAction)playItem:(id)sender
 273 {
 274     intf_thread_t * p_intf = VLCIntf;
 275     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 276                                                        FIND_ANYWHERE );
 277
 278     if( p_playlist != NULL )
 279     {
 280         playlist_item_t *p_item;
 281         playlist_item_t *p_node = NULL;
 282         int i;
 283
 284         p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
 285
 286         if( p_item )
 287         {
 288             if (p_item->i_children == -1)
 289             {
 290                 for (i = 0 ; i < p_item->i_parents ; i++)
 291                 {
 292                     if (p_item->pp_parents[i]->i_view == VIEW_SIMPLE)
 293                     {
 294                         p_node = p_item->pp_parents[i]->p_parent;
 295                     }
 296                 }
 297             }
 298             else
 299             {
 300                 p_node = p_item;
 301                 if (p_node->pp_children[0]->i_children == -1 &&
 302                     p_node->i_children > 0)
 303                 {
 304                     p_item = p_node->pp_children[0];
 305                 }
 306                 else
 307                 {
 308                     p_item = NULL;
 309                 }
 310             }
 311
 312 //        p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 313
 314
 315             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_node, p_item );
 316 //            playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, VIEW_SIMPLE, p_view ? p_view->p_root : NULL, p_item );
 317         }
 318         vlc_object_release( p_playlist );
 319     }
 320 }
 321
 322 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
 323 {
 324     int i_item;
 325     intf_thread_t * p_intf = VLCIntf;
 326     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 327                                                        FIND_ANYWHERE );
 328
 329     if( p_playlist == NULL )
 330     {
 331         return;
 332     }
 333
 334     for ( i_item = 0; i_item < (int)[o_array count]; i_item++ )
 335     {
 336         /* One item */
 337         NSDictionary *o_one_item;
 338         int j, i_total_options = 0, i_new_id = -1;
 339         int i_mode = PLAYLIST_INSERT;
 340         BOOL b_rem = FALSE, b_dir = FALSE;
 341         NSString *o_uri, *o_name;
 342         NSArray *o_options;
 343         NSURL *o_true_file;
 344         char **ppsz_options = NULL;
 345
 346         /* Get the item */
 347         o_one_item = [o_array objectAtIndex: i_item];
 348         o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
 349         o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
 350         o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
 351
 352         /* If no name, then make a guess */
 353         if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
 354
 355         if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
 356             [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
 357                     isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
 358         {
 359             /* All of this is to make sure CD's play when you D&D them on VLC */
 360             /* Converts mountpoint to a /dev file */
 361             struct statfs *buf;
 362             char *psz_dev;
 363             buf = (struct statfs *) malloc (sizeof(struct statfs));
 364             statfs( [o_uri fileSystemRepresentation], buf );
 365             psz_dev = strdup(buf->f_mntfromname);
 366             o_uri = [NSString stringWithCString: psz_dev ];
 367         }
 368
 369         if( o_options && [o_options count] > 0 )
 370         {
 371             /* Count the input options */
 372             i_total_options = [o_options count];
 373
 374             /* Allocate ppsz_options */
 375             for( j = 0; j < i_total_options; j++ )
 376             {
 377                 if( !ppsz_options )
 378                     ppsz_options = (char **)malloc( sizeof(char *) * i_total_options );
 379
 380                 ppsz_options[j] = strdup([[o_options objectAtIndex:j] UTF8String]);
 381             }
 382         }
 383
 384         /* Add the item */
 385         i_new_id = playlist_AddExt( p_playlist, [o_uri fileSystemRepresentation],
 386                       [o_name UTF8String], i_mode,
 387                       i_position == -1 ? PLAYLIST_END : i_position + i_item,
 388                       0, (ppsz_options != NULL ) ? (const char **)ppsz_options : 0, i_total_options );
 389
 390         /* clean up
 391         for( j = 0; j < i_total_options; j++ )
 392             free( ppsz_options[j] );
 393         if( ppsz_options ) free( ppsz_options ); */
 394
 395         /* Recent documents menu */
 396         o_true_file = [NSURL fileURLWithPath: o_uri];
 397         if( o_true_file != nil )
 398         {
 399             [[NSDocumentController sharedDocumentController]
 400                 noteNewRecentDocumentURL: o_true_file];
 401         }
 402
 403         if( i_item == 0 && !b_enqueue )
 404         {
 405             playlist_Goto( p_playlist, playlist_GetPositionById( p_playlist, i_new_id ) );
 406             playlist_Play( p_playlist );
 407         }
 408     }
 409
 410     vlc_object_release( p_playlist );
 411 }
 412
 413 - (IBAction)handlePopUp:(id)sender
 414
 415 {
 416              intf_thread_t * p_intf = VLCIntf;
 417              vlc_value_t val1,val2;
 418              playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 419                                                         FIND_ANYWHERE );
 420              if( p_playlist == NULL )
 421              {
 422                  return;
 423              }
 424
 425     switch ([o_loop_popup indexOfSelectedItem])
 426     {
 427         case 1:
 428
 429              val1.b_bool = 0;
 430              var_Set( p_playlist, "loop", val1 );
 431              val1.b_bool = 1;
 432              var_Set( p_playlist, "repeat", val1 );
 433              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat One" ) );
 434         break;
 435
 436         case 2:
 437              val1.b_bool = 0;
 438              var_Set( p_playlist, "repeat", val1 );
 439              val1.b_bool = 1;
 440              var_Set( p_playlist, "loop", val1 );
 441              vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat All" ) );
 442         break;
 443
 444         default:
 445              var_Get( p_playlist, "repeat", &val1 );
 446              var_Get( p_playlist, "loop", &val2 );
 447              if (val1.b_bool || val2.b_bool)
 448              {
 449                   val1.b_bool = 0;
 450                   var_Set( p_playlist, "repeat", val1 );
 451                   var_Set( p_playlist, "loop", val1 );
 452                   vout_OSDMessage( p_intf, DEFAULT_CHAN, _( "Repeat Off" ) );
 453              }
 454          break;
 455      }
 456      vlc_object_release( p_playlist );
 457      [self playlistUpdated];
 458 }
 459
 460 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
 461 {
 462     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 463                                                        FIND_ANYWHERE );
 464     playlist_item_t * p_selected_item;
 465     int i_current, i_selected_row;
 466
 467     if (!p_playlist)
 468         return NULL;
 469
 470     i_selected_row = [o_outline_view selectedRow];
 471     if (i_selected_row < 0)
 472         i_selected_row = 0;
 473
 474     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
 475                                             i_selected_row] pointerValue];
 476
 477     for (i_current = 0; i_current < p_item->i_children ; i_current++)
 478     {
 479         char * psz_temp;
 480         NSString * o_current_name, * o_current_author;
 481
 482         vlc_mutex_lock( &p_playlist->object_lock );
 483         o_current_name = [NSString stringWithUTF8String:
 484             p_item->pp_children[i_current]->input.psz_name];
 485         psz_temp = playlist_ItemGetInfo(p_item ,_("Meta-information"),_("Author") );
 486         o_current_author = [NSString stringWithUTF8String: psz_temp];
 487         free( psz_temp);
 488         vlc_mutex_unlock( &p_playlist->object_lock );
 489
 490         if (p_selected_item == p_item->pp_children[i_current] &&
 491                     b_selected_item_met == NO)
 492         {
 493             b_selected_item_met = YES;
 494         }
 495         else if (p_selected_item == p_item->pp_children[i_current] &&
 496                     b_selected_item_met == YES)
 497         {
 498             vlc_object_release(p_playlist);
 499             return NULL;
 500         }
 501         else if (b_selected_item_met == YES &&
 502                     ([o_current_name rangeOfString:[o_search_field
 503                         stringValue] options:NSCaseInsensitiveSearch ].length ||
 504                     [o_current_author rangeOfString:[o_search_field
 505                         stringValue] options:NSCaseInsensitiveSearch ].length))
 506         {
 507             vlc_object_release(p_playlist);
 508             /*Adds the parent items in the result array as well, so that we can
 509             expand the tree*/
 510             return [NSMutableArray arrayWithObject: [NSValue
 511                             valueWithPointer: p_item->pp_children[i_current]]];
 512         }
 513         if (p_item->pp_children[i_current]->i_children > 0)
 514         {
 515             id o_result = [self subSearchItem:
 516                                             p_item->pp_children[i_current]];
 517             if (o_result != NULL)
 518             {
 519                 vlc_object_release(p_playlist);
 520                 [o_result insertObject: [NSValue valueWithPointer:
 521                                 p_item->pp_children[i_current]] atIndex:0];
 522                 return o_result;
 523             }
 524         }
 525     }
 526     vlc_object_release(p_playlist);
 527     return NULL;
 528 }
 529
 530 - (IBAction)searchItem:(id)sender
 531 {
 532     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 533                                                        FIND_ANYWHERE );
 534     playlist_view_t * p_view;
 535     id o_result;
 536
 537     unsigned int i;
 538     int i_row = -1;
 539
 540     b_selected_item_met = NO;
 541
 542     if( p_playlist == NULL )
 543         return;
 544
 545     p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 546
 547     if (p_view)
 548     {
 549         /*First, only search after the selected item:*
 550          *(b_selected_item_met = NO)                 */
 551         o_result = [self subSearchItem:p_view->p_root];
 552         if (o_result == NULL)
 553         {
 554             /* If the first search failed, search again from the beginning */
 555             o_result = [self subSearchItem:p_view->p_root];
 556         }
 557         if (o_result != NULL)
 558         {
 559             for (i = 0 ; i < [o_result count] - 1 ; i++)
 560             {
 561                 [o_outline_view expandItem: [o_outline_dict objectForKey:
 562                             [NSString stringWithFormat: @"%p",
 563                             [[o_result objectAtIndex: i] pointerValue]]]];
 564             }
 565             i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
 566                             [NSString stringWithFormat: @"%p",
 567                             [[o_result objectAtIndex: [o_result count] - 1 ]
 568                             pointerValue]]]];
 569         }
 570         if (i_row > -1)
 571         {
 572             [o_outline_view selectRow:i_row byExtendingSelection: NO];
 573             [o_outline_view scrollRowToVisible: i_row];
 574         }
 575     }
 576     vlc_object_release(p_playlist);
 577
 578 }
 579
 580 #if 0
 581 - (NSMenu *)menuForEvent:(NSEvent *)o_event
 582 {
 583     intf_thread_t * p_intf = VLCIntf;
 584     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 585                                             FIND_ANYWHERE );
 586
 587     bool b_itemstate = FALSE;
 588
 589     NSPoint pt;
 590     vlc_bool_t b_rows;
 591     vlc_bool_t b_item_sel;
 592
 593     pt = [o_table_view convertPoint: [o_event locationInWindow]
 594                                                  fromView: nil];
 595     b_item_sel = ( [o_table_view rowAtPoint: pt] != -1 &&
 596                    [o_table_view selectedRow] != -1 );
 597     b_rows = [o_table_view numberOfRows] != 0;
 598
 599     [o_mi_play setEnabled: b_item_sel];
 600     [o_mi_delete setEnabled: b_item_sel];
 601     [o_mi_selectall setEnabled: b_rows];
 602     [o_mi_info setEnabled: b_item_sel];
 603     [o_mi_toggleItemsEnabled setEnabled: b_item_sel];
 604     [o_mi_enableGroup setEnabled: b_item_sel];
 605     [o_mi_disableGroup setEnabled: b_item_sel];
 606
 607     if (p_playlist)
 608     {
 609         b_itemstate = ([o_table_view selectedRow] > -1) ?
 610             p_playlist->pp_items[[o_table_view selectedRow]]->b_enabled : FALSE;
 611         vlc_object_release(p_playlist);
 612     }
 613
 614     [o_mi_toggleItemsEnabled setState: b_itemstate];
 615
 616     return( o_ctx_menu );
 617 }
 618 #endif
 619 - (void)initDict
 620 {
 621     [o_outline_dict removeAllObjects];
 622 }
 623
 624 @end
 625
 626 @implementation VLCPlaylist (NSOutlineViewDataSource)
 627
 628 /* return the number of children for Obj-C pointer item */ /* DONE */
 629 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
 630 {
 631     int i_return = 0;
 632     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 633                                                        FIND_ANYWHERE );
 634     if( p_playlist == NULL )
 635         return 0;
 636
 637     if( item == nil )
 638     {
 639         /* root object */
 640         playlist_view_t *p_view;
 641         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 642         if( p_view && p_view->p_root )
 643             i_return = p_view->p_root->i_children;
 644     }
 645     else
 646     {
 647         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 648         if( p_item )
 649             i_return = p_item->i_children;
 650     }
 651     vlc_object_release( p_playlist );
 652     if( i_return == -1 ) i_return = 0;
 653     msg_Dbg( p_playlist, "I have %d children", i_return );
 654     return i_return;
 655 }
 656
 657 /* return the child at index for the Obj-C pointer item */ /* DONE */
 658 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
 659 {
 660     playlist_item_t *p_return = NULL;
 661     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 662                                                        FIND_ANYWHERE );
 663     NSValue * o_value;
 664
 665     if( p_playlist == NULL )
 666         return nil;
 667
 668     if( item == nil )
 669     {
 670         /* root object */
 671         playlist_view_t *p_view;
 672         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 673         if( p_view && index < p_view->p_root->i_children )
 674             p_return = p_view->p_root->pp_children[index];
 675     }
 676     else
 677     {
 678         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 679         if( p_item && index < p_item->i_children )
 680         {
 681             p_return = p_item->pp_children[index];
 682         }
 683     }
 684
 685     [o_status_field setStringValue: [NSString stringWithFormat:
 686                         _NS("%i items in playlist"), p_playlist->i_size]];
 687
 688     vlc_object_release( p_playlist );
 689     msg_Dbg( p_playlist, "childitem with index %d", index );
 690
 691     o_value = [NSValue valueWithPointer: p_return];
 692
 693     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",                                                                      p_return]];
 694     return o_value;
 695 }
 696
 697 /* is the item expandable */
 698 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
 699 {
 700     int i_return = 0;
 701     playlist_t * p_playlist = vlc_object_find( VLCIntf, VLC_OBJECT_PLAYLIST,
 702                                                        FIND_ANYWHERE );
 703     if( p_playlist == NULL )
 704         return NO;
 705
 706     if( item == nil )
 707     {
 708         /* root object */
 709         playlist_view_t *p_view;
 710         p_view = playlist_ViewFind( p_playlist, VIEW_SIMPLE );
 711         if( p_view && p_view->p_root )
 712             i_return = p_view->p_root->i_children;
 713     }
 714     else
 715     {
 716         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 717         if( p_item )
 718             i_return = p_item->i_children;
 719     }
 720     vlc_object_release( p_playlist );
 721
 722     if( i_return == -1 || i_return == 0 )
 723         return NO;
 724     else
 725         return YES;
 726 }
 727
 728 /* retrieve the string values for the cells */
 729 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
 730 {
 731     id o_value = nil;
 732     intf_thread_t * p_intf = VLCIntf;
 733     playlist_t * p_playlist = vlc_object_find( p_intf, VLC_OBJECT_PLAYLIST,
 734                                                FIND_ANYWHERE );
 735     playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
 736
 737     if( p_playlist == NULL || p_item == NULL )
 738     {
 739         return( @"error" );
 740     }
 741
 742     if( [[o_tc identifier] isEqualToString:@"1"] )
 743     {
 744         o_value = [NSString stringWithUTF8String:
 745             p_item->input.psz_name];
 746         if( o_value == NULL )
 747             o_value = [NSString stringWithCString:
 748                 p_item->input.psz_name];
 749     }
 750     else if( [[o_tc identifier] isEqualToString:@"2"] )
 751     {
 752         char *psz_temp;
 753         psz_temp = playlist_ItemGetInfo( p_item ,_("Meta-information"),_("Artist") );
 754
 755         if( psz_temp == NULL )
 756             o_value = @"";
 757         else
 758         {
 759             o_value = [NSString stringWithUTF8String: psz_temp];
 760             if( o_value == NULL )
 761             {
 762                 o_value = [NSString stringWithCString: psz_temp];
 763             }
 764             free( psz_temp );
 765         }
 766     }
 767     else if( [[o_tc identifier] isEqualToString:@"3"] )
 768     {
 769         char psz_duration[MSTRTIME_MAX_SIZE];
 770         mtime_t dur = p_item->input.i_duration;
 771         if( dur != -1 )
 772         {
 773             secstotimestr( psz_duration, dur/1000000 );
 774             o_value = [NSString stringWithUTF8String: psz_duration];
 775         }
 776         else
 777         {
 778             o_value = @"-:--:--";
 779         }
 780     }
 781
 782     vlc_object_release( p_playlist );
 783
 784     return( o_value );
 785 }
 786
 787 /* Required for drag & drop and reordering */
 788 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
 789 {
 790     return NO;
 791 }
 792
 793 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
 794 {
 795     return NSDragOperationNone;
 796 }
 797
 798 /* Delegate method of NSWindow */
 799 - (void)windowWillClose:(NSNotification *)aNotification
 800 {
 801     [o_btn_playlist setState: NSOffState];
 802 }
 803
 804 @end
 805
 806