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[vlc] / modules / gui / macosx / playlist.m
1 /*****************************************************************************
2  * playlist.m: MacOS X interface module
3  *****************************************************************************
4 * Copyright (C) 2002-2008 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Jon Lech Johansen <jon-vl@nanocrew.net>
8  *          Derk-Jan Hartman <hartman at videola/n 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24  *****************************************************************************/
25
26 /* TODO
27  * add 'icons' for different types of nodes? (http://www.cocoadev.com/index.pl?IconAndTextInTableCell)
28  * reimplement enable/disable item
29  * create a new 'tool' button (see the gear button in the Finder window) for 'actions'
30    (adding service discovery, other views, new node/playlist, save node/playlist) stuff like that
31  */
32
33
34 /*****************************************************************************
35  * Preamble
36  *****************************************************************************/
37 #include <stdlib.h>                                      /* malloc(), free() */
38 #include <sys/param.h>                                    /* for MAXPATHLEN */
39 #include <string.h>
40 #include <math.h>
41 #include <sys/mount.h>
42 #include <vlc_keys.h>
43
44 #import "intf.h"
45 #import "wizard.h"
46 #import "bookmarks.h"
47 #import "playlistinfo.h"
48 #import "playlist.h"
49 #import "controls.h"
50 #import "vlc_osd.h"
51 #import "misc.h"
52 #import <vlc_interface.h>
53
54 /*****************************************************************************
55  * VLCPlaylistView implementation
56  *****************************************************************************/
57 @implementation VLCPlaylistView
58
59 - (NSMenu *)menuForEvent:(NSEvent *)o_event
60 {
61     return( [[self delegate] menuForEvent: o_event] );
62 }
63
64 - (void)keyDown:(NSEvent *)o_event
65 {
66     unichar key = 0;
67
68     if( [[o_event characters] length] )
69     {
70         key = [[o_event characters] characterAtIndex: 0];
71     }
72
73     switch( key )
74     {
75         case NSDeleteCharacter:
76         case NSDeleteFunctionKey:
77         case NSDeleteCharFunctionKey:
78         case NSBackspaceCharacter:
79             [[self delegate] deleteItem:self];
80             break;
81
82         case NSEnterCharacter:
83         case NSCarriageReturnCharacter:
84             [(VLCPlaylist *)[[VLCMain sharedInstance] getPlaylist] playItem:self];
85             break;
86
87         default:
88             [super keyDown: o_event];
89             break;
90     }
91 }
92
93 @end
94
95 /*****************************************************************************
96  * VLCPlaylistCommon implementation
97  *
98  * This class the superclass of the VLCPlaylist and VLCPlaylistWizard.
99  * It contains the common methods and elements of these 2 entities.
100  *****************************************************************************/
101 @implementation VLCPlaylistCommon
102
103 - (id)init
104 {
105     self = [super init];
106     if ( self != nil )
107     {
108         o_outline_dict = [[NSMutableDictionary alloc] init];
109     }
110     return self;
111 }
112 - (void)awakeFromNib
113 {
114     playlist_t * p_playlist = pl_Yield( VLCIntf );
115     [o_outline_view setTarget: self];
116     [o_outline_view setDelegate: self];
117     [o_outline_view setDataSource: self];
118     [o_outline_view setAllowsEmptySelection: NO];
119
120     vlc_object_release( p_playlist );
121     [self initStrings];
122 }
123
124 - (void)initStrings
125 {
126     [[o_tc_name headerCell] setStringValue:_NS("Name")];
127     [[o_tc_author headerCell] setStringValue:_NS("Author")];
128     [[o_tc_duration headerCell] setStringValue:_NS("Duration")];
129 }
130
131 - (NSOutlineView *)outlineView
132 {
133     return o_outline_view;
134 }
135
136 - (playlist_item_t *)selectedPlaylistItem
137 {
138     return [[o_outline_view itemAtRow: [o_outline_view selectedRow]]
139                                                                 pointerValue];
140 }
141
142 @end
143
144 @implementation VLCPlaylistCommon (NSOutlineViewDataSource)
145
146 /* return the number of children for Obj-C pointer item */ /* DONE */
147 - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item
148 {
149     int i_return = 0;
150     playlist_item_t *p_item = NULL;
151     playlist_t * p_playlist = pl_Yield( VLCIntf );
152     assert( outlineView == o_outline_view );
153
154     if( !item )
155         p_item = p_playlist->p_root_category;
156     else
157         p_item = (playlist_item_t *)[item pointerValue];
158
159     if( p_item )
160         i_return = p_item->i_children;
161
162     pl_Release( VLCIntf );
163
164     return i_return > 0 ? i_return : 0;
165 }
166
167 /* return the child at index for the Obj-C pointer item */ /* DONE */
168 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
169 {
170     playlist_item_t *p_return = NULL, *p_item = NULL;
171     NSValue *o_value;
172     playlist_t * p_playlist = pl_Yield( VLCIntf );
173
174     if( item == nil )
175     {
176         /* root object */
177         p_item = p_playlist->p_root_category;
178     }
179     else
180     {
181         p_item = (playlist_item_t *)[item pointerValue];
182     }
183     if( p_item && index < p_item->i_children && index >= 0 )
184         p_return = p_item->pp_children[index];
185  
186     vlc_object_release( p_playlist );
187
188     o_value = [o_outline_dict objectForKey:[NSString stringWithFormat: @"%p", p_return]];
189
190     if( o_value == nil )
191     {
192         msg_Warn( VLCIntf, "playlist item misses pointer value, adding one" );
193         o_value = [[NSValue valueWithPointer: p_return] retain];
194     }
195     return o_value;
196 }
197
198 /* is the item expandable */
199 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item
200 {
201     int i_return = 0;
202     playlist_t *p_playlist = pl_Yield( VLCIntf );
203
204     if( item == nil )
205     {
206         /* root object */
207         if( p_playlist->p_root_category )
208         {
209             i_return = p_playlist->p_root_category->i_children;
210         }
211     }
212     else
213     {
214         playlist_item_t *p_item = (playlist_item_t *)[item pointerValue];
215         if( p_item )
216             i_return = p_item->i_children;
217     }
218     vlc_object_release( p_playlist );
219
220     return (i_return > 0);
221 }
222
223 /* retrieve the string values for the cells */
224 - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)o_tc byItem:(id)item
225 {
226     id o_value = nil;
227     playlist_item_t *p_item;
228
229     /* For error handling */
230     static BOOL attempted_reload = NO;
231
232     if( item == nil || ![item isKindOfClass: [NSValue class]] )
233     {
234         /* Attempt to fix the error by asking for a data redisplay
235          * This might cause infinite loop, so add a small check */
236         if( !attempted_reload )
237         {
238             attempted_reload = YES;
239             [outlineView reloadData];
240         }
241         return @"error" ;
242     }
243  
244     p_item = (playlist_item_t *)[item pointerValue];
245     if( !p_item || !p_item->p_input )
246     {
247         /* Attempt to fix the error by asking for a data redisplay
248          * This might cause infinite loop, so add a small check */
249         if( !attempted_reload )
250         {
251             attempted_reload = YES;
252             [outlineView reloadData];
253         }
254         return @"error";
255     }
256  
257     attempted_reload = NO;
258
259     if( [[o_tc identifier] isEqualToString:@"1"] )
260     {
261         /* sanity check to prevent the NSString class from crashing */
262         char *psz_title =  input_item_GetTitle( p_item->p_input );
263         if( !EMPTY_STR( psz_title ) )
264         {
265             o_value = [NSString stringWithUTF8String: psz_title];
266         }
267         else
268         {
269             char *psz_name = input_item_GetName( p_item->p_input );
270             if( !EMPTY_STR( psz_name ) )
271             {
272                 o_value = [NSString stringWithUTF8String: psz_name];
273             }
274             free( psz_name );
275         }
276         free( psz_title );
277     }
278     else
279     {
280         char *psz_artist = input_item_GetArtist( p_item->p_input );
281         if( [[o_tc identifier] isEqualToString:@"2"] && !EMPTY_STR( psz_artist ) )
282         {
283             o_value = [NSString stringWithUTF8String: psz_artist];
284         }
285         else if( [[o_tc identifier] isEqualToString:@"3"] )
286         {
287             char psz_duration[MSTRTIME_MAX_SIZE];
288             mtime_t dur = input_item_GetDuration( p_item->p_input );
289             if( dur != -1 )
290             {
291                 secstotimestr( psz_duration, dur/1000000 );
292                 o_value = [NSString stringWithUTF8String: psz_duration];
293             }
294             else
295             {
296                 o_value = @"--:--";
297             }
298         }
299         free( psz_artist );
300     }
301     return o_value;
302 }
303
304 @end
305
306 /*****************************************************************************
307  * VLCPlaylistWizard implementation
308  *****************************************************************************/
309 @implementation VLCPlaylistWizard
310
311 - (IBAction)reloadOutlineView
312 {
313     /* Only reload the outlineview if the wizard window is open since this can
314        be quite long on big playlists */
315     if( [[o_outline_view window] isVisible] )
316     {
317         [o_outline_view reloadData];
318     }
319 }
320
321 @end
322
323 /*****************************************************************************
324  * extension to NSOutlineView's interface to fix compilation warnings
325  * and let us access these 2 functions properly
326  * this uses a private Apple-API, but works fine on all current OSX releases
327  * keep checking for compatiblity with future releases though
328  *****************************************************************************/
329
330 @interface NSOutlineView (UndocumentedSortImages)
331 + (NSImage *)_defaultTableHeaderSortImage;
332 + (NSImage *)_defaultTableHeaderReverseSortImage;
333 @end
334
335
336 /*****************************************************************************
337  * VLCPlaylist implementation
338  *****************************************************************************/
339 @implementation VLCPlaylist
340
341 - (id)init
342 {
343     self = [super init];
344     if ( self != nil )
345     {
346         o_nodes_array = [[NSMutableArray alloc] init];
347         o_items_array = [[NSMutableArray alloc] init];
348     }
349     return self;
350 }
351
352 - (void)awakeFromNib
353 {
354     playlist_t * p_playlist = pl_Yield( VLCIntf );
355
356     int i;
357
358     [super awakeFromNib];
359
360     [o_outline_view setDoubleAction: @selector(playItem:)];
361
362     [o_outline_view registerForDraggedTypes:
363         [NSArray arrayWithObjects: NSFilenamesPboardType,
364         @"VLCPlaylistItemPboardType", nil]];
365     [o_outline_view setIntercellSpacing: NSMakeSize (0.0, 1.0)];
366
367     /* This uses private Apple API which works fine until 10.5.
368      * We need to keep checking in the future!
369      * These methods are being added artificially to NSOutlineView's interface above */
370     o_ascendingSortingImage = [[NSOutlineView class] _defaultTableHeaderSortImage];
371     o_descendingSortingImage = [[NSOutlineView class] _defaultTableHeaderReverseSortImage];
372
373     o_tc_sortColumn = nil;
374
375     char ** ppsz_name;
376     char ** ppsz_services = services_discovery_GetServicesNames( p_playlist, &ppsz_name );
377     if( !ppsz_services )
378     {
379         vlc_object_release( p_playlist );
380         return;
381     }
382     
383     for( i = 0; ppsz_services[i]; i++ )
384     {
385         bool  b_enabled;
386         NSMenuItem  *o_lmi;
387
388         char * name = ppsz_name[i] ? ppsz_name[i] : ppsz_services[i];
389         /* Check whether to enable these menuitems */
390         b_enabled = playlist_IsServicesDiscoveryLoaded( p_playlist, ppsz_services[i] );
391
392         /* Create the menu entries used in the playlist menu */
393         o_lmi = [[o_mi_services submenu] addItemWithTitle:
394                  [NSString stringWithUTF8String: name]
395                                          action: @selector(servicesChange:)
396                                          keyEquivalent: @""];
397         [o_lmi setTarget: self];
398         [o_lmi setRepresentedObject: [NSString stringWithUTF8String: ppsz_services[i]]];
399         if( b_enabled ) [o_lmi setState: NSOnState];
400
401         /* Create the menu entries for the main menu */
402         o_lmi = [[o_mm_mi_services submenu] addItemWithTitle:
403                  [NSString stringWithUTF8String: name]
404                                          action: @selector(servicesChange:)
405                                          keyEquivalent: @""];
406         [o_lmi setTarget: self];
407         [o_lmi setRepresentedObject: [NSString stringWithUTF8String: ppsz_services[i]]];
408         if( b_enabled ) [o_lmi setState: NSOnState];
409
410         free( ppsz_services[i] );
411         free( ppsz_name[i] );
412     }
413     free( ppsz_services );
414     free( ppsz_name );
415
416     vlc_object_release( p_playlist );
417 }
418
419 - (void)searchfieldChanged:(NSNotification *)o_notification
420 {
421     [o_search_field setStringValue:[[o_notification object] stringValue]];
422 }
423
424 - (void)initStrings
425 {
426     [super initStrings];
427
428     [o_mi_save_playlist setTitle: _NS("Save Playlist...")];
429     [o_mi_play setTitle: _NS("Play")];
430     [o_mi_delete setTitle: _NS("Delete")];
431     [o_mi_recursive_expand setTitle: _NS("Expand Node")];
432     [o_mi_selectall setTitle: _NS("Select All")];
433     [o_mi_info setTitle: _NS("Information...")];
434     [o_mi_preparse setTitle: _NS("Fetch Meta Data")];
435     [o_mi_sort_name setTitle: _NS("Sort Node by Name")];
436     [o_mi_sort_author setTitle: _NS("Sort Node by Author")];
437     [o_mi_services setTitle: _NS("Services discovery")];
438     [o_status_field setStringValue: _NS("No items in the playlist")];
439
440     [o_search_field setToolTip: _NS("Search in Playlist")];
441     [o_mi_addNode setTitle: _NS("Add Folder to Playlist")];
442
443     [o_save_accessory_text setStringValue: _NS("File Format:")];
444     [[o_save_accessory_popup itemAtIndex:0] setTitle: _NS("Extended M3U")];
445     [[o_save_accessory_popup itemAtIndex:1] setTitle: _NS("XML Shareable Playlist Format (XSPF)")];
446 }
447
448 - (void)playlistUpdated
449 {
450     /* Clear indications of any existing column sorting */
451     for( unsigned int i = 0 ; i < [[o_outline_view tableColumns] count] ; i++ )
452     {
453         [o_outline_view setIndicatorImage:nil inTableColumn:
454                             [[o_outline_view tableColumns] objectAtIndex:i]];
455     }
456
457     [o_outline_view setHighlightedTableColumn:nil];
458     o_tc_sortColumn = nil;
459     // TODO Find a way to keep the dict size to a minimum
460     //[o_outline_dict removeAllObjects];
461     [o_outline_view reloadData];
462     [[[[VLCMain sharedInstance] getWizard] getPlaylistWizard] reloadOutlineView];
463     [[[[VLCMain sharedInstance] getBookmarks] getDataTable] reloadData];
464
465     playlist_t *p_playlist = pl_Yield( VLCIntf );
466
467     if( playlist_CurrentSize( p_playlist ) >= 2 )
468     {
469         [o_status_field setStringValue: [NSString stringWithFormat:
470                     _NS("%i items"),
471                 playlist_CurrentSize( p_playlist )]];
472     }
473     else
474     {
475         if( playlist_IsEmpty( p_playlist ) )
476             [o_status_field setStringValue: _NS("No items in the playlist")];
477         else
478             [o_status_field setStringValue: _NS("1 item")];
479     }
480     vlc_object_release( p_playlist );
481 }
482
483 - (void)playModeUpdated
484 {
485     playlist_t *p_playlist = pl_Yield( VLCIntf );
486
487     bool loop = var_GetBool( p_playlist, "loop" );
488     bool repeat = var_GetBool( p_playlist, "repeat" );
489     if( repeat )
490         [[[VLCMain sharedInstance] getControls] repeatOne];
491     else if( loop )
492         [[[VLCMain sharedInstance] getControls] repeatAll];
493     else
494         [[[VLCMain sharedInstance] getControls] repeatOff];
495
496     [[[VLCMain sharedInstance] getControls] shuffle];
497
498     vlc_object_release( p_playlist );
499 }
500
501 - (void)outlineViewSelectionDidChange:(NSNotification *)notification
502 {
503     // FIXME: unsafe
504     playlist_item_t * p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
505
506     if( p_item )
507     {
508         /* update our info-panel to reflect the new item */
509         [[[VLCMain sharedInstance] getInfo] updatePanelWithItem:p_item->p_input];
510     }
511 }
512
513 - (BOOL)isSelectionEmpty
514 {
515     return [o_outline_view selectedRow] == -1;
516 }
517
518 - (void)updateRowSelection
519 {
520     int i_row;
521     unsigned int j;
522
523     // FIXME: unsafe
524     playlist_t *p_playlist = pl_Yield( VLCIntf );
525     playlist_item_t *p_item, *p_temp_item;
526     NSMutableArray *o_array = [NSMutableArray array];
527
528     p_item = p_playlist->status.p_item;
529     if( p_item == NULL )
530     {
531         vlc_object_release(p_playlist);
532         return;
533     }
534
535     p_temp_item = p_item;
536     while( p_temp_item->p_parent )
537     {
538         [o_array insertObject: [NSValue valueWithPointer: p_temp_item] atIndex: 0];
539         p_temp_item = p_temp_item->p_parent;
540     }
541
542     for( j = 0; j < [o_array count] - 1; j++ )
543     {
544         id o_item;
545         if( ( o_item = [o_outline_dict objectForKey:
546                             [NSString stringWithFormat: @"%p",
547                             [[o_array objectAtIndex:j] pointerValue]]] ) != nil )
548         {
549             [o_outline_view expandItem: o_item];
550         }
551
552     }
553
554     /* update our info-panel to reflect the new item */
555     [[[VLCMain sharedInstance] getInfo] updatePanelWithItem:p_item->p_input];
556
557     vlc_object_release( p_playlist );
558
559 }
560
561 /* Check if p_item is a child of p_node recursively. We need to check the item
562    existence first since OSX sometimes tries to redraw items that have been
563    deleted. We don't do it when not required  since this verification takes
564    quite a long time on big playlists (yes, pretty hacky). */
565 - (BOOL)isItem: (playlist_item_t *)p_item
566                     inNode: (playlist_item_t *)p_node
567                     checkItemExistence:(BOOL)b_check
568
569 {
570     playlist_t * p_playlist = pl_Yield( VLCIntf );
571     playlist_item_t *p_temp_item = p_item;
572
573     if( p_node == p_item )
574     {
575         vlc_object_release(p_playlist);
576         return YES;
577     }
578
579     if( p_node->i_children < 1)
580     {
581         vlc_object_release(p_playlist);
582         return NO;
583     }
584
585     if ( p_temp_item )
586     {
587         int i;
588         PL_LOCK;
589
590         if( b_check )
591         {
592         /* Since outlineView: willDisplayCell:... may call this function with
593            p_items that don't exist anymore, first check if the item is still
594            in the playlist. Any cleaner solution welcomed. */
595             for( i = 0; i < p_playlist->all_items.i_size; i++ )
596             {
597                 if( ARRAY_VAL( p_playlist->all_items, i) == p_item ) break;
598                 else if ( i == p_playlist->all_items.i_size - 1 )
599                 {
600                     vlc_object_release( p_playlist );
601                     PL_UNLOCK;
602                     return NO;
603                 }
604             }
605         }
606
607         while( p_temp_item )
608         {
609             p_temp_item = p_temp_item->p_parent;
610             if( p_temp_item == p_node )
611             {
612                 PL_UNLOCK;
613                 vlc_object_release( p_playlist );
614                 return YES;
615             }
616         }
617         PL_UNLOCK;
618     }
619
620     vlc_object_release( p_playlist );
621     return NO;
622 }
623
624 /* This method is usefull for instance to remove the selected children of an
625    already selected node */
626 - (void)removeItemsFrom:(id)o_items ifChildrenOf:(id)o_nodes
627 {
628     unsigned int i, j;
629     for( i = 0 ; i < [o_items count] ; i++ )
630     {
631         for ( j = 0 ; j < [o_nodes count] ; j++ )
632         {
633             if( o_items == o_nodes)
634             {
635                 if( j == i ) continue;
636             }
637             if( [self isItem: [[o_items objectAtIndex:i] pointerValue]
638                     inNode: [[o_nodes objectAtIndex:j] pointerValue]
639                     checkItemExistence: NO] )
640             {
641                 [o_items removeObjectAtIndex:i];
642                 /* We need to execute the next iteration with the same index
643                    since the current item has been deleted */
644                 i--;
645                 break;
646             }
647         }
648     }
649
650 }
651
652 - (IBAction)savePlaylist:(id)sender
653 {
654     playlist_t * p_playlist = pl_Yield( VLCIntf );
655
656     NSSavePanel *o_save_panel = [NSSavePanel savePanel];
657     NSString * o_name = [NSString stringWithFormat: @"%@", _NS("Untitled")];
658
659     //[o_save_panel setAllowedFileTypes: [NSArray arrayWithObjects: @"m3u", @"xpf", nil] ];
660     [o_save_panel setTitle: _NS("Save Playlist")];
661     [o_save_panel setPrompt: _NS("Save")];
662     [o_save_panel setAccessoryView: o_save_accessory_view];
663
664     if( [o_save_panel runModalForDirectory: nil
665             file: o_name] == NSOKButton )
666     {
667         NSString *o_filename = [o_save_panel filename];
668
669         if( [o_save_accessory_popup indexOfSelectedItem] == 1 )
670         {
671             NSString * o_real_filename;
672             NSRange range;
673             range.location = [o_filename length] - [@".xspf" length];
674             range.length = [@".xspf" length];
675
676             if( [o_filename compare:@".xspf" options: NSCaseInsensitiveSearch
677                                              range: range] != NSOrderedSame )
678             {
679                 o_real_filename = [NSString stringWithFormat: @"%@.xspf", o_filename];
680             }
681             else
682             {
683                 o_real_filename = o_filename;
684             }
685             playlist_Export( p_playlist,
686                 [o_real_filename fileSystemRepresentation],
687                 p_playlist->p_local_category, "export-xspf" );
688         }
689         else
690         {
691             NSString * o_real_filename;
692             NSRange range;
693             range.location = [o_filename length] - [@".m3u" length];
694             range.length = [@".m3u" length];
695
696             if( [o_filename compare:@".m3u" options: NSCaseInsensitiveSearch
697                                              range: range] != NSOrderedSame )
698             {
699                 o_real_filename = [NSString stringWithFormat: @"%@.m3u", o_filename];
700             }
701             else
702             {
703                 o_real_filename = o_filename;
704             }
705             playlist_Export( p_playlist,
706                 [o_real_filename fileSystemRepresentation],
707                 p_playlist->p_local_category, "export-m3u" );
708         }
709     }
710     vlc_object_release( p_playlist );
711 }
712
713 /* When called retrieves the selected outlineview row and plays that node or item */
714 - (IBAction)playItem:(id)sender
715 {
716     intf_thread_t * p_intf = VLCIntf;
717     playlist_t * p_playlist = pl_Yield( p_intf );
718
719     playlist_item_t *p_item;
720     playlist_item_t *p_node = NULL;
721
722     p_item = [[o_outline_view itemAtRow:[o_outline_view selectedRow]] pointerValue];
723
724     if( p_item )
725     {
726         if( p_item->i_children == -1 )
727         {
728             p_node = p_item->p_parent;
729
730         }
731         else
732         {
733             p_node = p_item;
734             if( p_node->i_children > 0 && p_node->pp_children[0]->i_children == -1 )
735             {
736                 p_item = p_node->pp_children[0];
737             }
738             else
739             {
740                 p_item = NULL;
741             }
742         }
743         playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, false, p_node, p_item );
744     }
745     vlc_object_release( p_playlist );
746 }
747
748 /* When called retrieves the selected outlineview row and plays that node or item */
749 - (IBAction)preparseItem:(id)sender
750 {
751     int i_count;
752     NSMutableArray *o_to_preparse;
753     intf_thread_t * p_intf = VLCIntf;
754     playlist_t * p_playlist = pl_Yield( p_intf );
755  
756     o_to_preparse = [NSMutableArray arrayWithArray:[[o_outline_view selectedRowEnumerator] allObjects]];
757     i_count = [o_to_preparse count];
758
759     int i, i_row;
760     NSNumber *o_number;
761     playlist_item_t *p_item = NULL;
762
763     for( i = 0; i < i_count; i++ )
764     {
765         o_number = [o_to_preparse lastObject];
766         i_row = [o_number intValue];
767         p_item = [[o_outline_view itemAtRow:i_row] pointerValue];
768         [o_to_preparse removeObject: o_number];
769         [o_outline_view deselectRow: i_row];
770
771         if( p_item )
772         {
773             if( p_item->i_children == -1 )
774             {
775                 playlist_PreparseEnqueue( p_playlist, p_item->p_input );
776             }
777             else
778             {
779                 msg_Dbg( p_intf, "preparsing nodes not implemented" );
780             }
781         }
782     }
783     vlc_object_release( p_playlist );
784     [self playlistUpdated];
785 }
786
787 - (IBAction)servicesChange:(id)sender
788 {
789     NSMenuItem *o_mi = (NSMenuItem *)sender;
790     NSString *o_string = [o_mi representedObject];
791     playlist_t * p_playlist = pl_Yield( VLCIntf );
792     if( !playlist_IsServicesDiscoveryLoaded( p_playlist, [o_string UTF8String] ) )
793         playlist_ServicesDiscoveryAdd( p_playlist, [o_string UTF8String] );
794     else
795         playlist_ServicesDiscoveryRemove( p_playlist, [o_string UTF8String] );
796
797     [o_mi setState: playlist_IsServicesDiscoveryLoaded( p_playlist,
798                                           [o_string UTF8String] ) ? YES : NO];
799
800     vlc_object_release( p_playlist );
801     [self playlistUpdated];
802     return;
803 }
804
805 - (IBAction)selectAll:(id)sender
806 {
807     [o_outline_view selectAll: nil];
808 }
809
810 - (IBAction)deleteItem:(id)sender
811 {
812     int i_count, i_row;
813     NSMutableArray *o_to_delete;
814     NSNumber *o_number;
815
816     playlist_t * p_playlist;
817     intf_thread_t * p_intf = VLCIntf;
818
819     o_to_delete = [NSMutableArray arrayWithArray:[[o_outline_view selectedRowEnumerator] allObjects]];
820     i_count = [o_to_delete count];
821
822     p_playlist = pl_Yield( p_intf );
823
824     PL_LOCK;
825     for( int i = 0; i < i_count; i++ )
826     {
827         o_number = [o_to_delete lastObject];
828         i_row = [o_number intValue];
829         id o_item = [o_outline_view itemAtRow: i_row];
830         playlist_item_t *p_item = [o_item pointerValue];
831 #ifndef NDEBUG
832         msg_Dbg( p_intf, "deleting item %i (of %i) with id \"%i\", pointerValue \"%p\" and %i children", i+1, i_count, 
833                 p_item->p_input->i_id, [o_item pointerValue], p_item->i_children +1 );
834 #endif
835         [o_to_delete removeObject: o_number];
836         [o_outline_view deselectRow: i_row];
837
838         if( p_item->i_children != -1 )
839         //is a node and not an item
840         {
841             if( p_playlist->status.i_status != PLAYLIST_STOPPED &&
842                 [self isItem: p_playlist->status.p_item inNode:
843                         ((playlist_item_t *)[o_item pointerValue])
844                         checkItemExistence: NO] == YES )
845                 // if current item is in selected node and is playing then stop playlist
846                 playlist_Stop( p_playlist );
847     
848             playlist_NodeDelete( p_playlist, p_item, true, false );
849         }
850         else
851             playlist_DeleteFromInput( p_playlist, p_item->p_input->i_id, true );
852     }
853     PL_UNLOCK;
854
855     [self playlistUpdated];
856     vlc_object_release( p_playlist );
857 }
858
859 - (IBAction)sortNodeByName:(id)sender
860 {
861     [self sortNode: SORT_TITLE];
862 }
863
864 - (IBAction)sortNodeByAuthor:(id)sender
865 {
866     [self sortNode: SORT_ARTIST];
867 }
868
869 - (void)sortNode:(int)i_mode
870 {
871     playlist_t * p_playlist = pl_Yield( VLCIntf );
872     playlist_item_t * p_item;
873
874     if( [o_outline_view selectedRow] > -1 )
875     {
876         p_item = [[o_outline_view itemAtRow: [o_outline_view selectedRow]] pointerValue];
877     }
878     else
879     /*If no item is selected, sort the whole playlist*/
880     {
881         p_item = p_playlist->p_root_category;
882     }
883
884     if( p_item->i_children > -1 ) // the item is a node
885     {
886         PL_LOCK;
887         playlist_RecursiveNodeSort( p_playlist, p_item, i_mode, ORDER_NORMAL );
888         PL_UNLOCK;
889     }
890     else
891     {
892         PL_LOCK;
893         playlist_RecursiveNodeSort( p_playlist,
894                 p_item->p_parent, i_mode, ORDER_NORMAL );
895         PL_UNLOCK;
896     }
897     vlc_object_release( p_playlist );
898     [self playlistUpdated];
899 }
900
901 - (input_item_t *)createItem:(NSDictionary *)o_one_item
902 {
903     intf_thread_t * p_intf = VLCIntf;
904     playlist_t * p_playlist = pl_Yield( p_intf );
905
906     input_item_t *p_input;
907     int i;
908     BOOL b_rem = FALSE, b_dir = FALSE;
909     NSString *o_uri, *o_name;
910     NSArray *o_options;
911     NSURL *o_true_file;
912
913     /* Get the item */
914     o_uri = (NSString *)[o_one_item objectForKey: @"ITEM_URL"];
915     o_name = (NSString *)[o_one_item objectForKey: @"ITEM_NAME"];
916     o_options = (NSArray *)[o_one_item objectForKey: @"ITEM_OPTIONS"];
917
918     /* Find the name for a disc entry (i know, can you believe the trouble?) */
919     if( ( !o_name || [o_name isEqualToString:@""] ) && [o_uri rangeOfString: @"/dev/"].location != NSNotFound )
920     {
921         int i_count, i_index;
922         struct statfs *mounts = NULL;
923
924         i_count = getmntinfo (&mounts, MNT_NOWAIT);
925         /* getmntinfo returns a pointer to static data. Do not free. */
926         for( i_index = 0 ; i_index < i_count; i_index++ )
927         {
928             NSMutableString *o_temp, *o_temp2;
929             o_temp = [NSMutableString stringWithString: o_uri];
930             o_temp2 = [NSMutableString stringWithUTF8String: mounts[i_index].f_mntfromname];
931             [o_temp replaceOccurrencesOfString: @"/dev/rdisk" withString: @"/dev/disk" options:NSLiteralSearch range:NSMakeRange(0, [o_temp length]) ];
932             [o_temp2 replaceOccurrencesOfString: @"s0" withString: @"" options:NSLiteralSearch range:NSMakeRange(0, [o_temp2 length]) ];
933             [o_temp2 replaceOccurrencesOfString: @"s1" withString: @"" options:NSLiteralSearch range:NSMakeRange(0, [o_temp2 length]) ];
934
935             if( strstr( [o_temp fileSystemRepresentation], [o_temp2 fileSystemRepresentation] ) != NULL )
936             {
937                 o_name = [[NSFileManager defaultManager] displayNameAtPath: [NSString stringWithUTF8String:mounts[i_index].f_mntonname]];
938             }
939         }
940     }
941     /* If no name, then make a guess */
942     if( !o_name) o_name = [[NSFileManager defaultManager] displayNameAtPath: o_uri];
943
944     if( [[NSFileManager defaultManager] fileExistsAtPath:o_uri isDirectory:&b_dir] && b_dir &&
945         [[NSWorkspace sharedWorkspace] getFileSystemInfoForPath: o_uri isRemovable: &b_rem
946                 isWritable:NULL isUnmountable:NULL description:NULL type:NULL] && b_rem   )
947     {
948         /* All of this is to make sure CD's play when you D&D them on VLC */
949         /* Converts mountpoint to a /dev file */
950         struct statfs *buf;
951         char *psz_dev;
952         NSMutableString *o_temp;
953
954         buf = (struct statfs *) malloc (sizeof(struct statfs));
955         statfs( [o_uri fileSystemRepresentation], buf );
956         psz_dev = strdup(buf->f_mntfromname);
957         o_temp = [NSMutableString stringWithUTF8String: psz_dev ];
958         [o_temp replaceOccurrencesOfString: @"/dev/disk" withString: @"/dev/rdisk" options:NSLiteralSearch range:NSMakeRange(0, [o_temp length]) ];
959         [o_temp replaceOccurrencesOfString: @"s0" withString: @"" options:NSLiteralSearch range:NSMakeRange(0, [o_temp length]) ];
960         [o_temp replaceOccurrencesOfString: @"s1" withString: @"" options:NSLiteralSearch range:NSMakeRange(0, [o_temp length]) ];
961         o_uri = o_temp;
962     }
963
964     p_input = input_ItemNew( p_playlist, [o_uri fileSystemRepresentation], [o_name UTF8String] );
965     if( !p_input )
966        return NULL;
967
968     if( o_options )
969     {
970         for( i = 0; i < (int)[o_options count]; i++ )
971         {
972             input_ItemAddOption( p_input, strdup( [[o_options objectAtIndex:i] UTF8String] ) );
973         }
974     }
975
976     /* Recent documents menu */
977     o_true_file = [NSURL fileURLWithPath: o_uri];
978     if( o_true_file != nil && (BOOL)config_GetInt( p_playlist, "macosx-recentitems" ) == YES )
979     {
980         [[NSDocumentController sharedDocumentController]
981             noteNewRecentDocumentURL: o_true_file];
982     }
983
984     vlc_object_release( p_playlist );
985     return p_input;
986 }
987
988 - (void)appendArray:(NSArray*)o_array atPos:(int)i_position enqueue:(BOOL)b_enqueue
989 {
990     int i_item;
991     playlist_t * p_playlist = pl_Yield( VLCIntf );
992
993     PL_LOCK;
994     for( i_item = 0; i_item < (int)[o_array count]; i_item++ )
995     {
996         input_item_t *p_input;
997         NSDictionary *o_one_item;
998
999         /* Get the item */
1000         o_one_item = [o_array objectAtIndex: i_item];
1001         p_input = [self createItem: o_one_item];
1002         if( !p_input )
1003         {
1004             continue;
1005         }
1006
1007         /* Add the item */
1008         /* FIXME: playlist_AddInput() can fail */
1009         
1010         playlist_AddInput( p_playlist, p_input, PLAYLIST_INSERT,
1011              i_position == -1 ? PLAYLIST_END : i_position + i_item, true,
1012          true );
1013
1014         if( i_item == 0 && !b_enqueue )
1015         {
1016             playlist_item_t *p_item;
1017             p_item = playlist_ItemGetByInput( p_playlist, p_input, true );
1018             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, true, NULL, p_item );
1019         }
1020         vlc_gc_decref( p_input );
1021     }
1022     PL_UNLOCK;
1023
1024     [self playlistUpdated];
1025     vlc_object_release( p_playlist );
1026 }
1027
1028 - (void)appendNodeArray:(NSArray*)o_array inNode:(playlist_item_t *)p_node atPos:(int)i_position enqueue:(BOOL)b_enqueue
1029 {
1030     int i_item;
1031     playlist_t * p_playlist = pl_Yield( VLCIntf );
1032
1033     for( i_item = 0; i_item < (int)[o_array count]; i_item++ )
1034     {
1035         input_item_t *p_input;
1036         NSDictionary *o_one_item;
1037
1038         /* Get the item */
1039         o_one_item = [o_array objectAtIndex: i_item];
1040         p_input = [self createItem: o_one_item];
1041         if( !p_input )
1042         {
1043             continue;
1044         }
1045
1046         /* Add the item */
1047         /* FIXME: playlist_NodeAddInput() can fail */
1048        playlist_NodeAddInput( p_playlist, p_input, p_node,
1049                                       PLAYLIST_INSERT,
1050                                       i_position == -1 ?
1051                                       PLAYLIST_END : i_position + i_item, false );
1052
1053
1054         if( i_item == 0 && !b_enqueue )
1055         {
1056             playlist_item_t *p_item;
1057             p_item = playlist_ItemGetByInput( p_playlist, p_input, true );
1058             playlist_Control( p_playlist, PLAYLIST_VIEWPLAY, true, NULL, p_item );
1059         }
1060         vlc_gc_decref( p_input );
1061     }
1062     [self playlistUpdated];
1063     vlc_object_release( p_playlist );
1064 }
1065
1066 - (NSMutableArray *)subSearchItem:(playlist_item_t *)p_item
1067 {
1068     playlist_t *p_playlist = pl_Yield( VLCIntf );
1069     playlist_item_t *p_selected_item;
1070     int i_current, i_selected_row;
1071
1072     i_selected_row = [o_outline_view selectedRow];
1073     if (i_selected_row < 0)
1074         i_selected_row = 0;
1075
1076     p_selected_item = (playlist_item_t *)[[o_outline_view itemAtRow:
1077                                             i_selected_row] pointerValue];
1078
1079     for( i_current = 0; i_current < p_item->i_children ; i_current++ )
1080     {
1081         char *psz_temp;
1082         NSString *o_current_name, *o_current_author;
1083
1084         PL_LOCK;
1085         o_current_name = [NSString stringWithUTF8String:
1086             p_item->pp_children[i_current]->p_input->psz_name];
1087         psz_temp = input_ItemGetInfo( p_item->p_input ,
1088                    _("Meta-information"),_("Artist") );
1089         o_current_author = [NSString stringWithUTF8String: psz_temp];
1090         free( psz_temp);
1091         PL_UNLOCK;
1092
1093         if( p_selected_item == p_item->pp_children[i_current] &&
1094                     b_selected_item_met == NO )
1095         {
1096             b_selected_item_met = YES;
1097         }
1098         else if( p_selected_item == p_item->pp_children[i_current] &&
1099                     b_selected_item_met == YES )
1100         {
1101             vlc_object_release( p_playlist );
1102             return NULL;
1103         }
1104         else if( b_selected_item_met == YES &&
1105                     ( [o_current_name rangeOfString:[o_search_field
1106                         stringValue] options:NSCaseInsensitiveSearch].length ||
1107                       [o_current_author rangeOfString:[o_search_field
1108                         stringValue] options:NSCaseInsensitiveSearch].length ) )
1109         {
1110             vlc_object_release( p_playlist );
1111             /*Adds the parent items in the result array as well, so that we can
1112             expand the tree*/
1113             return [NSMutableArray arrayWithObject: [NSValue
1114                             valueWithPointer: p_item->pp_children[i_current]]];
1115         }
1116         if( p_item->pp_children[i_current]->i_children > 0 )
1117         {
1118             id o_result = [self subSearchItem:
1119                                             p_item->pp_children[i_current]];
1120             if( o_result != NULL )
1121             {
1122                 vlc_object_release( p_playlist );
1123                 [o_result insertObject: [NSValue valueWithPointer:
1124                                 p_item->pp_children[i_current]] atIndex:0];
1125                 return o_result;
1126             }
1127         }
1128     }
1129     vlc_object_release( p_playlist );
1130     return NULL;
1131 }
1132
1133 - (IBAction)searchItem:(id)sender
1134 {
1135     playlist_t * p_playlist = pl_Yield( VLCIntf );
1136     id o_result;
1137
1138     unsigned int i;
1139     int i_row = -1;
1140
1141     b_selected_item_met = NO;
1142
1143         /*First, only search after the selected item:*
1144          *(b_selected_item_met = NO)                 */
1145     o_result = [self subSearchItem:p_playlist->p_root_category];
1146     if( o_result == NULL )
1147     {
1148         /* If the first search failed, search again from the beginning */
1149         o_result = [self subSearchItem:p_playlist->p_root_category];
1150     }
1151     if( o_result != NULL )
1152     {
1153         int i_start;
1154         if( [[o_result objectAtIndex: 0] pointerValue] ==
1155                                                     p_playlist->p_local_category )
1156         i_start = 1;
1157         else
1158         i_start = 0;
1159
1160         for( i = i_start ; i < [o_result count] - 1 ; i++ )
1161         {
1162             [o_outline_view expandItem: [o_outline_dict objectForKey:
1163                         [NSString stringWithFormat: @"%p",
1164                         [[o_result objectAtIndex: i] pointerValue]]]];
1165         }
1166         i_row = [o_outline_view rowForItem: [o_outline_dict objectForKey:
1167                         [NSString stringWithFormat: @"%p",
1168                         [[o_result objectAtIndex: [o_result count] - 1 ]
1169                         pointerValue]]]];
1170     }
1171     if( i_row > -1 )
1172     {
1173         [o_outline_view selectRow:i_row byExtendingSelection: NO];
1174         [o_outline_view scrollRowToVisible: i_row];
1175     }
1176     vlc_object_release( p_playlist );
1177 }
1178
1179 - (IBAction)recursiveExpandNode:(id)sender
1180 {
1181     id o_item = [o_outline_view itemAtRow: [o_outline_view selectedRow]];
1182     playlist_item_t *p_item = (playlist_item_t *)[o_item pointerValue];
1183
1184     if( ![[o_outline_view dataSource] outlineView: o_outline_view
1185                                                     isItemExpandable: o_item] )
1186     {
1187         o_item = [o_outline_dict objectForKey: [NSString
1188                    stringWithFormat: @"%p", p_item->p_parent]];
1189     }
1190
1191     /* We need to collapse the node first, since OSX refuses to recursively
1192        expand an already expanded node, even if children nodes are collapsed. */
1193     [o_outline_view collapseItem: o_item collapseChildren: YES];
1194     [o_outline_view expandItem: o_item expandChildren: YES];
1195 }
1196
1197 - (NSMenu *)menuForEvent:(NSEvent *)o_event
1198 {
1199     NSPoint pt;
1200     bool b_rows;
1201     bool b_item_sel;
1202
1203     pt = [o_outline_view convertPoint: [o_event locationInWindow]
1204                                                  fromView: nil];
1205     NSInteger row = [o_outline_view rowAtPoint:pt];
1206     if( row != -1 )
1207         [o_outline_view selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO];
1208
1209     b_item_sel = ( row != -1 && [o_outline_view selectedRow] != -1 );
1210     b_rows = [o_outline_view numberOfRows] != 0;
1211
1212     [o_mi_play setEnabled: b_item_sel];
1213     [o_mi_delete setEnabled: b_item_sel];
1214     [o_mi_selectall setEnabled: b_rows];
1215     [o_mi_info setEnabled: b_item_sel];
1216     [o_mi_preparse setEnabled: b_item_sel];
1217     [o_mi_recursive_expand setEnabled: b_item_sel];
1218     [o_mi_sort_name setEnabled: b_item_sel];
1219     [o_mi_sort_author setEnabled: b_item_sel];
1220
1221     return( o_ctx_menu );
1222 }
1223
1224 - (void)outlineView: (NSTableView*)o_tv
1225                   didClickTableColumn:(NSTableColumn *)o_tc
1226 {
1227     int i_mode = 0, i_type;
1228     intf_thread_t *p_intf = VLCIntf;
1229
1230     playlist_t *p_playlist = pl_Yield( p_intf );
1231
1232     /* Check whether the selected table column header corresponds to a
1233        sortable table column*/
1234     if( !( o_tc == o_tc_name || o_tc == o_tc_author ) )
1235     {
1236         vlc_object_release( p_playlist );
1237         return;
1238     }
1239
1240     if( o_tc_sortColumn == o_tc )
1241     {
1242         b_isSortDescending = !b_isSortDescending;
1243     }
1244     else
1245     {
1246         b_isSortDescending = false;
1247     }
1248
1249     if( o_tc == o_tc_name )
1250     {
1251         i_mode = SORT_TITLE;
1252     }
1253     else if( o_tc == o_tc_author )
1254     {
1255         i_mode = SORT_ARTIST;
1256     }
1257
1258     if( b_isSortDescending )
1259     {
1260         i_type = ORDER_REVERSE;
1261     }
1262     else
1263     {
1264         i_type = ORDER_NORMAL;
1265     }
1266
1267     vlc_object_lock( p_playlist );
1268     playlist_RecursiveNodeSort( p_playlist, p_playlist->p_root_category, i_mode, i_type );
1269     vlc_object_unlock( p_playlist );
1270
1271     vlc_object_release( p_playlist );
1272     [self playlistUpdated];
1273
1274     o_tc_sortColumn = o_tc;
1275     [o_outline_view setHighlightedTableColumn:o_tc];
1276
1277     if( b_isSortDescending )
1278     {
1279         [o_outline_view setIndicatorImage:o_descendingSortingImage
1280                                                         inTableColumn:o_tc];
1281     }
1282     else
1283     {
1284         [o_outline_view setIndicatorImage:o_ascendingSortingImage
1285                                                         inTableColumn:o_tc];
1286     }
1287 }
1288
1289
1290 - (void)outlineView:(NSOutlineView *)outlineView
1291                                 willDisplayCell:(id)cell
1292                                 forTableColumn:(NSTableColumn *)tableColumn
1293                                 item:(id)item
1294 {
1295     playlist_t *p_playlist = pl_Yield( VLCIntf );
1296
1297     id o_playing_item;
1298
1299     o_playing_item = [o_outline_dict objectForKey:
1300                 [NSString stringWithFormat:@"%p",  p_playlist->status.p_item]];
1301
1302     if( [self isItem: [o_playing_item pointerValue] inNode:
1303                         [item pointerValue] checkItemExistence: YES]
1304                         || [o_playing_item isEqual: item] )
1305     {
1306         [cell setFont: [[NSFontManager sharedFontManager] convertFont:[cell font] toHaveTrait:NSBoldFontMask]];
1307     }
1308     else
1309     {
1310         [cell setFont: [[NSFontManager sharedFontManager] convertFont:[cell font] toNotHaveTrait:NSBoldFontMask]];
1311     }
1312     vlc_object_release( p_playlist );
1313 }
1314
1315 - (IBAction)addNode:(id)sender
1316 {
1317     /* we have to create a new thread here because otherwise we would block the
1318      * interface since the interaction-stuff and this code would run in the same
1319      * thread */
1320     [NSThread detachNewThreadSelector: @selector(addNodeThreadedly)
1321         toTarget: self withObject:nil];
1322     [self playlistUpdated];
1323 }
1324
1325 - (void)addNodeThreadedly
1326 {
1327     NSAutoreleasePool * ourPool = [[NSAutoreleasePool alloc] init];
1328
1329     /* simply adds a new node to the end of the playlist */
1330     playlist_t * p_playlist = pl_Yield( VLCIntf );
1331     vlc_thread_set_priority( p_playlist, VLC_THREAD_PRIORITY_LOW );
1332
1333     int ret_v;
1334     char *psz_name = NULL;
1335     playlist_item_t * p_item;
1336     ret_v = intf_UserStringInput( p_playlist, _("New Node"),
1337         _("Please enter a name for the new node."), &psz_name );
1338
1339     if( ret_v != DIALOG_CANCELLED && psz_name && *psz_name )
1340         p_item = playlist_NodeCreate( p_playlist, psz_name,
1341                                       p_playlist->p_local_category, 0, NULL );
1342     else if(! config_GetInt( p_playlist, "interact" ) )
1343     {
1344         /* in case that the interaction is disabled, just give it a bogus name */
1345         p_item = playlist_NodeCreate( p_playlist, _("Empty Folder"),
1346                                       p_playlist->p_local_category, 0, NULL );
1347     }
1348
1349     if(! p_item )
1350         msg_Warn( VLCIntf, "node creation failed or cancelled by user" );
1351
1352     vlc_object_release( p_playlist );
1353     [ourPool release];
1354 }
1355
1356 @end
1357
1358 @implementation VLCPlaylist (NSOutlineViewDataSource)
1359
1360 - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item
1361 {
1362     id o_value = [super outlineView: outlineView child: index ofItem: item];
1363     playlist_t *p_playlist = pl_Yield( VLCIntf );
1364
1365     if( playlist_CurrentSize( p_playlist )  >= 2 )
1366     {
1367         [o_status_field setStringValue: [NSString stringWithFormat:
1368                     _NS("%i items"),
1369              playlist_CurrentSize( p_playlist )]];
1370     }
1371     else
1372     {
1373         if( playlist_IsEmpty( p_playlist ) )
1374         {
1375             [o_status_field setStringValue: _NS("No items in the playlist")];
1376         }
1377         else
1378         {
1379             [o_status_field setStringValue: _NS("1 item")];
1380         }
1381     }
1382     vlc_object_release( p_playlist );
1383
1384     [o_outline_dict setObject:o_value forKey:[NSString stringWithFormat:@"%p",
1385                                                     [o_value pointerValue]]];
1386     return o_value;
1387
1388 }
1389
1390 /* Required for drag & drop and reordering */
1391 - (BOOL)outlineView:(NSOutlineView *)outlineView writeItems:(NSArray *)items toPasteboard:(NSPasteboard *)pboard
1392 {
1393     unsigned int i;
1394     playlist_t *p_playlist = pl_Yield( VLCIntf );
1395
1396     /* First remove the items that were moved during the last drag & drop
1397        operation */
1398     [o_items_array removeAllObjects];
1399     [o_nodes_array removeAllObjects];
1400
1401     for( i = 0 ; i < [items count] ; i++ )
1402     {
1403         id o_item = [items objectAtIndex: i];
1404
1405         /* Refuse to move items that are not in the General Node
1406            (Service Discovery) */
1407         if( ![self isItem: [o_item pointerValue] inNode:
1408                         p_playlist->p_local_category checkItemExistence: NO] &&
1409             ( var_CreateGetBool( p_playlist, "media-library" ) &&
1410             ![self isItem: [o_item pointerValue] inNode:
1411                         p_playlist->p_ml_category checkItemExistence: NO]) )
1412         {
1413             vlc_object_release(p_playlist);
1414             return NO;
1415         }
1416         /* Fill the items and nodes to move in 2 different arrays */
1417         if( ((playlist_item_t *)[o_item pointerValue])->i_children > 0 )
1418             [o_nodes_array addObject: o_item];
1419         else
1420             [o_items_array addObject: o_item];
1421     }
1422
1423     /* Now we need to check if there are selected items that are in already
1424        selected nodes. In that case, we only want to move the nodes */
1425     [self removeItemsFrom: o_nodes_array ifChildrenOf: o_nodes_array];
1426     [self removeItemsFrom: o_items_array ifChildrenOf: o_nodes_array];
1427
1428     /* We add the "VLCPlaylistItemPboardType" type to be able to recognize
1429        a Drop operation coming from the playlist. */
1430
1431     [pboard declareTypes: [NSArray arrayWithObjects:
1432         @"VLCPlaylistItemPboardType", nil] owner: self];
1433     [pboard setData:[NSData data] forType:@"VLCPlaylistItemPboardType"];
1434
1435     vlc_object_release(p_playlist);
1436     return YES;
1437 }
1438
1439 - (NSDragOperation)outlineView:(NSOutlineView *)outlineView validateDrop:(id <NSDraggingInfo>)info proposedItem:(id)item proposedChildIndex:(int)index
1440 {
1441     playlist_t *p_playlist = pl_Yield( VLCIntf );
1442     NSPasteboard *o_pasteboard = [info draggingPasteboard];
1443
1444     if( !p_playlist ) return NSDragOperationNone;
1445
1446     /* Dropping ON items is not allowed if item is not a node */
1447     if( item )
1448     {
1449         if( index == NSOutlineViewDropOnItemIndex &&
1450                 ((playlist_item_t *)[item pointerValue])->i_children == -1 )
1451         {
1452             vlc_object_release( p_playlist );
1453             return NSDragOperationNone;
1454         }
1455     }
1456
1457     /* Don't allow on drop on playlist root element's child */
1458     if( !item && index != NSOutlineViewDropOnItemIndex)
1459     {
1460         vlc_object_release( p_playlist );
1461         return NSDragOperationNone;
1462     }
1463
1464     /* We refuse to drop an item in anything else than a child of the General
1465        Node. We still accept items that would be root nodes of the outlineview
1466        however, to allow drop in an empty playlist. */
1467     if( !( ([self isItem: [item pointerValue] inNode: p_playlist->p_local_category checkItemExistence: NO] || 
1468         ( var_CreateGetBool( p_playlist, "media-library" ) && [self isItem: [item pointerValue] inNode: p_playlist->p_ml_category checkItemExistence: NO] ) ) || item == nil ) )
1469     {
1470         vlc_object_release( p_playlist );
1471         return NSDragOperationNone;
1472     }
1473
1474     /* Drop from the Playlist */
1475     if( [[o_pasteboard types] containsObject: @"VLCPlaylistItemPboardType"] )
1476     {
1477         unsigned int i;
1478         for( i = 0 ; i < [o_nodes_array count] ; i++ )
1479         {
1480             /* We refuse to Drop in a child of an item we are moving */
1481             if( [self isItem: [item pointerValue] inNode:
1482                     [[o_nodes_array objectAtIndex: i] pointerValue]
1483                     checkItemExistence: NO] )
1484             {
1485                 vlc_object_release( p_playlist );
1486                 return NSDragOperationNone;
1487             }
1488         }
1489         vlc_object_release( p_playlist );
1490         return NSDragOperationMove;
1491     }
1492
1493     /* Drop from the Finder */
1494     else if( [[o_pasteboard types] containsObject: NSFilenamesPboardType] )
1495     {
1496         vlc_object_release( p_playlist );
1497         return NSDragOperationGeneric;
1498     }
1499     vlc_object_release( p_playlist );
1500     return NSDragOperationNone;
1501 }
1502
1503 - (BOOL)outlineView:(NSOutlineView *)outlineView acceptDrop:(id <NSDraggingInfo>)info item:(id)item childIndex:(int)index
1504 {
1505     playlist_t * p_playlist =  pl_Yield( VLCIntf );
1506     NSPasteboard *o_pasteboard = [info draggingPasteboard];
1507
1508     /* Drag & Drop inside the playlist */
1509     if( [[o_pasteboard types] containsObject: @"VLCPlaylistItemPboardType"] )
1510     {
1511         int i_row, i_removed_from_node = 0;
1512         unsigned int i;
1513         playlist_item_t *p_new_parent, *p_item = NULL;
1514         NSArray *o_all_items = [o_nodes_array arrayByAddingObjectsFromArray:
1515                                                                 o_items_array];
1516         /* If the item is to be dropped as root item of the outline, make it a
1517            child of the General node.
1518            Else, choose the proposed parent as parent. */
1519         if( item == nil ) p_new_parent = p_playlist->p_local_category;
1520         else p_new_parent = [item pointerValue];
1521
1522         /* Make sure the proposed parent is a node.
1523            (This should never be true) */
1524         if( p_new_parent->i_children < 0 )
1525         {
1526             vlc_object_release( p_playlist );
1527             return NO;
1528         }
1529
1530         for( i = 0; i < [o_all_items count]; i++ )
1531         {
1532             playlist_item_t *p_old_parent = NULL;
1533             int i_old_index = 0;
1534
1535             p_item = [[o_all_items objectAtIndex:i] pointerValue];
1536             p_old_parent = p_item->p_parent;
1537             if( !p_old_parent )
1538             continue;
1539             /* We may need the old index later */
1540             if( p_new_parent == p_old_parent )
1541             {
1542                 int j;
1543                 for( j = 0; j < p_old_parent->i_children; j++ )
1544                 {
1545                     if( p_old_parent->pp_children[j] == p_item )
1546                     {
1547                         i_old_index = j;
1548                         break;
1549                     }
1550                 }
1551             }
1552
1553             PL_LOCK;
1554             // Actually detach the item from the old position
1555             if( playlist_NodeRemoveItem( p_playlist, p_item, p_old_parent ) ==
1556                 VLC_SUCCESS )
1557             {
1558                 int i_new_index;
1559                 /* Calculate the new index */
1560                 if( index == -1 )
1561                 i_new_index = -1;
1562                 /* If we move the item in the same node, we need to take into
1563                    account that one item will be deleted */
1564                 else
1565                 {
1566                     if ((p_new_parent == p_old_parent &&
1567                                    i_old_index < index + (int)i) )
1568                     {
1569                         i_removed_from_node++;
1570                     }
1571                     i_new_index = index + i - i_removed_from_node;
1572                 }
1573                 // Reattach the item to the new position
1574                 playlist_NodeInsert( p_playlist, p_item, p_new_parent, i_new_index );
1575             }
1576             PL_UNLOCK;
1577         }
1578         [self playlistUpdated];
1579         i_row = [o_outline_view rowForItem:[o_outline_dict
1580             objectForKey:[NSString stringWithFormat: @"%p",
1581             [[o_all_items objectAtIndex: 0] pointerValue]]]];
1582
1583         if( i_row == -1 )
1584         {
1585             i_row = [o_outline_view rowForItem:[o_outline_dict
1586             objectForKey:[NSString stringWithFormat: @"%p", p_new_parent]]];
1587         }
1588
1589         [o_outline_view deselectAll: self];
1590         [o_outline_view selectRow: i_row byExtendingSelection: NO];
1591         [o_outline_view scrollRowToVisible: i_row];
1592
1593         vlc_object_release( p_playlist );
1594         return YES;
1595     }
1596
1597     else if( [[o_pasteboard types] containsObject: NSFilenamesPboardType] )
1598     {
1599         int i;
1600         playlist_item_t *p_node = [item pointerValue];
1601
1602         NSArray *o_array = [NSArray array];
1603         NSArray *o_values = [[o_pasteboard propertyListForType:
1604                                         NSFilenamesPboardType]
1605                                 sortedArrayUsingSelector:
1606                                         @selector(caseInsensitiveCompare:)];
1607
1608         for( i = 0; i < (int)[o_values count]; i++)
1609         {
1610             NSDictionary *o_dic;
1611             o_dic = [NSDictionary dictionaryWithObject:[o_values
1612                         objectAtIndex:i] forKey:@"ITEM_URL"];
1613             o_array = [o_array arrayByAddingObject: o_dic];
1614         }
1615
1616         if ( item == nil )
1617         {
1618             [self appendArray: o_array atPos: index enqueue: YES];
1619         }
1620         else
1621         {
1622             assert( p_node->i_children != -1 );
1623             [self appendNodeArray: o_array inNode: p_node
1624                 atPos: index enqueue: YES];
1625         }
1626         vlc_object_release( p_playlist );
1627         return YES;
1628     }
1629     vlc_object_release( p_playlist );
1630     return NO;
1631 }
1632 @end
1633
1634