]> git.sesse.net Git - vlc/blob - src/playlist/item.c
Improve drag&drop handling
[vlc] / src / playlist / item.c
1 /*****************************************************************************
2  * item.c : Playlist item creation/deletion/add/removal functions
3  *****************************************************************************
4  * Copyright (C) 1999-2004 the VideoLAN team
5  * $Id$
6  *
7  * Authors: Samuel Hocevar <sam@zoy.org>
8  *          ClĂ©ment Stenac <zorglub@videolan.org>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24 #include <vlc/vlc.h>
25 #include <vlc/input.h>
26 #include <assert.h>
27 #include <vlc_playlist.h>
28 #include "playlist_internal.h"
29
30 void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
31               playlist_item_t *p_node, int i_pos );
32 void GoAndPreparse( playlist_t *p_playlist, int i_mode,
33                     playlist_item_t *, playlist_item_t * );
34 void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item );
35 int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
36                           vlc_bool_t b_stop );
37
38 /*****************************************************************************
39  * Playlist item creation
40  *****************************************************************************/
41 playlist_item_t * playlist_ItemNewWithType( vlc_object_t *p_obj,
42                                             const char *psz_uri,
43                                             const char *psz_name,
44                                             int i_options,
45                                             const char **ppsz_options,
46                                             int i_duration, int i_type )
47 {
48     input_item_t *p_input;
49     if( psz_uri == NULL ) return NULL;
50     p_input = input_ItemNewWithType( p_obj, psz_uri,
51                                      psz_name, i_options, ppsz_options,
52                                      i_duration, i_type );
53     return playlist_ItemNewFromInput( p_obj, p_input );
54 }
55
56 playlist_item_t *__playlist_ItemNewFromInput( vlc_object_t *p_obj,
57                                               input_item_t *p_input )
58 {
59     DECMALLOC_NULL( p_item, playlist_item_t );
60     playlist_t *p_playlist = p_obj->p_libvlc->p_playlist;
61     vlc_object_yield( p_playlist );
62
63     p_item->p_input = p_input;
64     vlc_gc_incref( p_item->p_input );
65
66     p_item->i_id = ++p_playlist->i_last_playlist_id;
67
68     p_item->p_parent = NULL;
69     p_item->i_children = -1;
70     p_item->pp_children = NULL;
71     p_item->i_flags = 0;
72
73     vlc_object_release( p_playlist );
74
75     return p_item;
76 }
77
78 /***************************************************************************
79  * Playlist item destruction
80  ***************************************************************************/
81
82 /** Delete a playlist item and detach its input item */
83 int playlist_ItemDelete( playlist_item_t *p_item )
84 {
85     vlc_gc_decref( p_item->p_input );
86     free( p_item );
87     return VLC_SUCCESS;
88 }
89
90 /** Remove an input item from ONELEVEL and CATEGORY */
91 int playlist_DeleteAllFromInput( playlist_t *p_playlist, int i_input_id )
92 {
93     playlist_DeleteFromInput( p_playlist, i_input_id,
94                               p_playlist->p_root_category, VLC_TRUE );
95     playlist_DeleteFromInput( p_playlist, i_input_id,
96                               p_playlist->p_root_onelevel, VLC_TRUE );
97     return VLC_SUCCESS;
98 }
99
100 /** Remove an input item from ONELEVEL and CATEGORY.
101  * This function must be entered without the playlist lock */
102 int playlist_LockDeleteAllFromInput( playlist_t * p_playlist, int i_id )
103 {
104     int i_ret;
105     vlc_mutex_lock( &p_playlist->object_lock );
106     i_ret = playlist_DeleteAllFromInput( p_playlist, i_id );
107     vlc_mutex_unlock( &p_playlist->object_lock );
108     return i_ret;
109 }
110
111 /** Remove an input item when it appears from a root playlist item */
112 int playlist_DeleteFromInput( playlist_t *p_playlist, int i_input_id,
113                               playlist_item_t *p_root, vlc_bool_t b_do_stop )
114 {
115     int i;
116     for( i = 0 ; i< p_root->i_children ; i++ )
117     {
118         if( p_root->pp_children[i]->i_children == -1 &&
119             p_root->pp_children[i]->p_input->i_id == i_input_id )
120         {
121             DeleteInner( p_playlist, p_root->pp_children[i], b_do_stop );
122             return VLC_SUCCESS;
123         }
124         else if( p_root->pp_children[i]->i_children >= 0 )
125         {
126             int i_ret = playlist_DeleteFromInput( p_playlist, i_input_id,
127                                         p_root->pp_children[i], b_do_stop );
128             if( i_ret == VLC_SUCCESS ) return VLC_SUCCESS;
129         }
130     }
131     return VLC_EGENERIC;
132 }
133
134 /** Remove a playlist item from the playlist, given its id */
135 int playlist_DeleteFromItemId( playlist_t *p_playlist, int i_id )
136 {
137     playlist_item_t *p_item = playlist_ItemGetById( p_playlist, i_id );
138     if( !p_item ) return VLC_EGENERIC;
139     return DeleteInner( p_playlist, p_item, VLC_TRUE );
140 }
141
142 /** Remove a playlist item from the playlist, given its id
143  * This function should be entered without the playlist lock */
144 int playlist_LockDelete( playlist_t * p_playlist, int i_id )
145 {
146     int i_ret;
147     vlc_mutex_lock( &p_playlist->object_lock );
148     i_ret = playlist_DeleteFromItemId( p_playlist, i_id );
149     vlc_mutex_unlock( &p_playlist->object_lock );
150     return i_ret;
151 }
152
153 /** Clear the playlist */
154 void playlist_Clear( playlist_t * p_playlist )
155 {
156     playlist_NodeEmpty( p_playlist, p_playlist->p_root_category, VLC_TRUE );
157     playlist_NodeEmpty( p_playlist, p_playlist->p_root_onelevel, VLC_TRUE );
158 }
159 /** Clear the playlist. This function must be entered without the lock */
160 void playlist_LockClear( playlist_t *p_playlist )
161 {
162     vlc_mutex_lock( &p_playlist->object_lock );
163     playlist_Clear( p_playlist );
164     vlc_mutex_unlock( &p_playlist->object_lock );
165 }
166
167 /***************************************************************************
168  * Playlist item addition
169  ***************************************************************************/
170 /** Add an item to the playlist or the media library
171  * \param p_playlist the playlist to add into
172  * \param psz_uri the mrl to add to the playlist
173  * \param psz_name a text giving a name or description of this item
174  * \param i_mode the mode used when adding
175  * \param i_pos the position in the playlist where to add. If this is
176  *        PLAYLIST_END the item will be added at the end of the playlist
177  *        regardless of its size
178  * \param b_playlist TRUE for playlist, FALSE for media library
179  * \return The id of the playlist item
180  */
181 int playlist_Add( playlist_t *p_playlist, const char *psz_uri,
182                   const char *psz_name, int i_mode, int i_pos,
183                   vlc_bool_t b_playlist  )
184 {
185     return playlist_AddExt( p_playlist, psz_uri, psz_name,
186                             i_mode, i_pos, -1, NULL, 0, b_playlist );
187 }
188
189 /**
190  * Add a MRL into the playlist or the media library, duration and options given
191  *
192  * \param p_playlist the playlist to add into
193  * \param psz_uri the mrl to add to the playlist
194  * \param psz_name a text giving a name or description of this item
195  * \param i_mode the mode used when adding
196  * \param i_pos the position in the playlist where to add. If this is
197  *        PLAYLIST_END the item will be added at the end of the playlist
198  *        regardless of its size
199  * \param i_duration length of the item in milliseconds.
200  * \param ppsz_options an array of options
201  * \param i_options the number of options
202  * \param b_playlist TRUE for playlist, FALSE for media library
203  * \return The id of the playlist item
204 */
205 int playlist_AddExt( playlist_t *p_playlist, const char * psz_uri,
206                      const char *psz_name, int i_mode, int i_pos,
207                      mtime_t i_duration, const char **ppsz_options,
208                      int i_options, vlc_bool_t b_playlist )
209 {
210     input_item_t *p_input = input_ItemNewExt( p_playlist, psz_uri, psz_name,
211                                               i_options, ppsz_options,
212                                               i_duration );
213
214     return playlist_AddInput( p_playlist, p_input, i_mode, i_pos, b_playlist );
215 }
216
217 /** Add an input item to the playlist node */
218 int playlist_AddInput( playlist_t* p_playlist, input_item_t *p_input,
219                       int i_mode, int i_pos, vlc_bool_t b_playlist )
220 {
221     playlist_item_t *p_item_cat, *p_item_one;
222
223     if( !p_playlist->b_doing_ml )
224         PL_DEBUG( "adding item `%s' ( %s )", p_input->psz_name,
225                                              p_input->psz_uri );
226
227     vlc_mutex_lock( &p_playlist->object_lock );
228
229     /* Add to ONELEVEL */
230     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
231     if( p_item_one == NULL ) return VLC_EGENERIC;
232     AddItem( p_playlist, p_item_one,
233              b_playlist ? p_playlist->p_local_onelevel :
234                           p_playlist->p_ml_onelevel , i_pos );
235
236     /* Add to CATEGORY */
237     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
238     if( p_item_cat == NULL ) return VLC_EGENERIC;
239     AddItem( p_playlist, p_item_cat,
240              b_playlist ? p_playlist->p_local_category :
241                           p_playlist->p_ml_category , i_pos );
242
243     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
244
245     vlc_mutex_unlock( &p_playlist->object_lock );
246     return VLC_SUCCESS;
247 }
248
249 /** Add an input item to p_direct_parent in the category tree, and to the
250  *  matching top category in onelevel **/
251 int playlist_BothAddInput( playlist_t *p_playlist,
252                            input_item_t *p_input,
253                            playlist_item_t *p_direct_parent,
254                            int i_mode, int i_pos )
255 {
256     playlist_item_t *p_item_cat, *p_item_one, *p_up;
257     int i_top;
258     assert( p_input );
259     vlc_mutex_lock( & p_playlist->object_lock );
260
261     /* Add to category */
262     p_item_cat = playlist_ItemNewFromInput( p_playlist, p_input );
263     if( p_item_cat == NULL ) return VLC_EGENERIC;
264     AddItem( p_playlist, p_item_cat, p_direct_parent, i_pos );
265
266     /* Add to onelevel */
267     /** \todo make a faster case for ml import */
268     p_item_one = playlist_ItemNewFromInput( p_playlist, p_input );
269     if( p_item_one == NULL ) return VLC_EGENERIC;
270
271     p_up = p_direct_parent;
272     while( p_up->p_parent != p_playlist->p_root_category )
273     {
274         p_up = p_up->p_parent;
275     }
276     for( i_top = 0 ; i_top < p_playlist->p_root_onelevel->i_children; i_top++ )
277     {
278         if( p_playlist->p_root_onelevel->pp_children[i_top]->p_input->i_id == p_up->p_input->i_id )
279         {
280             AddItem( p_playlist, p_item_one,
281                      p_playlist->p_root_onelevel->pp_children[i_top], i_pos );
282             break;
283         }
284     }
285     GoAndPreparse( p_playlist, i_mode, p_item_cat, p_item_one );
286
287     vlc_mutex_unlock( &p_playlist->object_lock );
288     return VLC_SUCCESS;
289 }
290
291 /**
292  * Add an item where it should be added, when adding from a node
293  * (ex: directory access, playlist demuxers, services discovery, ... )
294  * \param p_playlist the playlist
295  * \param p_input the input to add
296  * \param p_parent the direct node
297  * \param p_item_in_category the item within category root (as returned by playlist_ItemToNode)
298  * \param b_forced_parent Are we forced to add only to p_parent ?
299  */
300 void playlist_AddWhereverNeeded( playlist_t *p_playlist, input_item_t *p_input,
301                                  playlist_item_t *p_parent,
302                                  playlist_item_t *p_item_in_category,
303                                  vlc_bool_t b_forced_parent, int i_mode )
304 {
305     /* If we have forced a parent :
306      *   - Just add the input to the forced parent (which should be p_parent)
307      * Else
308      *    - If we have item in category, add to it, and to onelevel (bothadd)
309      *    - If we don't, just add to p_parent
310      */
311     if( b_forced_parent == VLC_TRUE || !p_item_in_category  )
312     {
313         playlist_NodeAddInput( p_playlist, p_input, p_parent, i_mode,
314                                PLAYLIST_END );
315     }
316     else
317     {
318         playlist_BothAddInput( p_playlist, p_input, p_item_in_category,
319                                i_mode, PLAYLIST_END );
320     }
321 }
322
323
324 /** Add an input item to a given node */
325 playlist_item_t * playlist_NodeAddInput( playlist_t *p_playlist,
326                                          input_item_t *p_input,
327                                          playlist_item_t *p_parent,
328                                          int i_mode, int i_pos )
329 {
330     playlist_item_t *p_item;
331     assert( p_input );
332     assert( p_parent && p_parent->i_children != -1 );
333
334     vlc_mutex_lock( &p_playlist->object_lock );
335
336     p_item = playlist_ItemNewFromInput( p_playlist, p_input );
337     if( p_item == NULL ) return NULL;
338     AddItem( p_playlist, p_item, p_parent, i_pos );
339
340     vlc_mutex_unlock( &p_playlist->object_lock );
341
342     return p_item;
343 }
344
345 /** Add a playlist item to a given node */
346 void playlist_NodeAddItem( playlist_t *p_playlist, playlist_item_t *p_item,
347                            playlist_item_t *p_parent, int i_mode, int i_pos )
348 {
349     vlc_mutex_lock( &p_playlist->object_lock );
350     AddItem( p_playlist, p_item, p_parent, i_pos );
351     vlc_mutex_unlock( &p_playlist->object_lock );
352 }
353
354 /*****************************************************************************
355  * Playlist item misc operations
356  *****************************************************************************/
357
358 /**
359  * Transform an item to a node. Return the node in the category tree, or NULL
360  * if not found there
361  * This function must be entered without the playlist lock
362  */
363 playlist_item_t *playlist_ItemToNode( playlist_t *p_playlist,
364                                       playlist_item_t *p_item )
365 {
366
367     playlist_item_t *p_item_in_category;
368     /* What we do
369      * Find the input in CATEGORY.
370      *  - If we find it
371      *    - change it to node
372      *    - we'll return it at the end
373      *    - If we are a direct child of onelevel root, change to node, else
374      *      delete the input from ONELEVEL
375      *  - If we don't find it, just change to node (we are probably in VLM)
376      *    and return NULL
377      *
378      * If we were in ONELEVEL, we thus retrieve the node in CATEGORY (will be
379      * useful for later BothAddInput )
380      */
381
382     /* Fast track the media library, no time to loose */
383     if( p_item == p_playlist->p_ml_category )
384         return p_item;
385
386     /** \todo First look if we don't already have it */
387     p_item_in_category = playlist_ItemFindFromInputAndRoot(
388                                             p_playlist, p_item->p_input->i_id,
389                                             p_playlist->p_root_category,
390                                             VLC_TRUE );
391
392     if( p_item_in_category )
393     {
394         playlist_item_t *p_item_in_one = playlist_ItemFindFromInputAndRoot(
395                                             p_playlist, p_item->p_input->i_id,
396                                             p_playlist->p_root_onelevel,
397                                             VLC_TRUE );
398         ChangeToNode( p_playlist, p_item_in_category );
399         if( p_item_in_one->p_parent == p_playlist->p_root_onelevel )
400             ChangeToNode( p_playlist, p_item_in_one );
401         else
402         {
403             playlist_DeleteFromInput( p_playlist, p_item_in_one->p_input->i_id,
404                                       p_playlist->p_root_onelevel, VLC_FALSE );
405         }
406         p_playlist->b_reset_random = VLC_TRUE;
407         var_SetInteger( p_playlist, "item-change", p_item_in_category->
408                                                         p_input->i_id );
409         return p_item_in_category;
410     }
411     else
412     {
413         ChangeToNode( p_playlist, p_item );
414         return NULL;
415     }
416 }
417
418 /** Transform an item to a node
419  *  This function must be entered without the playlist lock
420  *  \see playlist_ItemToNode
421  */
422 playlist_item_t * playlist_LockItemToNode( playlist_t *p_playlist,
423                                            playlist_item_t *p_item )
424 {
425     playlist_item_t *p_ret;
426     vlc_mutex_lock( &p_playlist->object_lock );
427     p_ret = playlist_ItemToNode( p_playlist, p_item );
428     vlc_mutex_unlock( &p_playlist->object_lock );
429     return p_ret;
430 }
431
432 /** Find an item within a root, given its input id.
433  * \return the first found item, or NULL if not found
434  */
435 playlist_item_t *playlist_ItemFindFromInputAndRoot( playlist_t *p_playlist,
436                                                     int i_input_id,
437                                                     playlist_item_t *p_root,
438                                                     vlc_bool_t b_items_only )
439 {
440     int i;
441     for( i = 0 ; i< p_root->i_children ; i++ )
442     {
443         if( ( b_items_only ? p_root->pp_children[i]->i_children == -1 : 1 ) &&
444             p_root->pp_children[i]->p_input->i_id == i_input_id )
445         {
446             return p_root->pp_children[i];
447         }
448         else if( p_root->pp_children[i]->i_children >= 0 )
449         {
450             playlist_item_t *p_search =
451                  playlist_ItemFindFromInputAndRoot( p_playlist, i_input_id,
452                                                     p_root->pp_children[i],
453                                                     b_items_only );
454             if( p_search ) return p_search;
455         }
456     }
457     return NULL;
458 }
459
460
461 static int TreeMove( playlist_t *p_playlist, playlist_item_t *p_item,
462                      playlist_item_t *p_node, int i_newpos )
463 {
464     int j;
465     playlist_item_t *p_detach = p_item->p_parent;
466     if( p_node->i_children == -1 ) return VLC_EGENERIC;
467
468     for( j = 0; j < p_detach->i_children; j++ )
469     {
470          if( p_detach->pp_children[j] == p_item ) break;
471     }
472     REMOVE_ELEM( p_detach->pp_children, p_detach->i_children, j );
473
474     /* Attach to new parent */
475     INSERT_ELEM( p_node->pp_children, p_node->i_children, i_newpos, p_item );
476     p_item->p_parent = p_node;
477
478     return VLC_SUCCESS;
479 }
480
481 /**
482  * Moves an item
483  *
484  * This function must be entered with the playlist lock
485  *
486  * \param p_playlist the playlist
487  * \param p_item the item to move
488  * \param p_node the new parent of the item
489  * \param i_newpos the new position under this new parent
490  * \return VLC_SUCCESS or an error
491  */
492 int playlist_TreeMove( playlist_t * p_playlist, playlist_item_t *p_item,
493                        playlist_item_t *p_node, int i_newpos )
494 {
495     /* Drop on a top level node. Move in the two trees */
496     if( p_node->p_parent == p_playlist->p_root_category ||
497         p_node->p_parent == p_playlist->p_root_onelevel )
498     {
499         /* Fixme: avoid useless lookups but we need some clean helpers */
500         {
501             playlist_item_t *p_node_onelevel;
502             playlist_item_t *p_item_onelevel;
503             p_node_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
504                                                 p_node->p_input->i_id,
505                                                 p_playlist->p_root_onelevel,
506                                                 VLC_FALSE );
507             p_item_onelevel = playlist_ItemFindFromInputAndRoot( p_playlist,
508                                                 p_item->p_input->i_id,
509                                                 p_playlist->p_root_onelevel,
510                                                 VLC_FALSE );
511             TreeMove( p_playlist, p_item_onelevel, p_node_onelevel, 0 );
512         }
513         {
514             playlist_item_t *p_node_category;
515             playlist_item_t *p_item_category;
516             p_node_category = playlist_ItemFindFromInputAndRoot( p_playlist,
517                                                 p_node->p_input->i_id,
518                                                 p_playlist->p_root_category,
519                                                 VLC_FALSE );
520             p_item_category = playlist_ItemFindFromInputAndRoot( p_playlist,
521                                                 p_item->p_input->i_id,
522                                                 p_playlist->p_root_category,
523                                                 VLC_FALSE );
524             TreeMove( p_playlist, p_item_category, p_node_category, 0 );
525         }
526         return VLC_SUCCESS;
527     }
528     else
529         return TreeMove( p_playlist, p_item, p_node, i_newpos );
530 }
531
532 /** Send a notification that an item has been added to a node */
533 void playlist_SendAddNotify( playlist_t *p_playlist, int i_item_id,
534                              int i_node_id )
535 {
536     vlc_value_t val;
537     playlist_add_t *p_add = (playlist_add_t *)malloc(sizeof( playlist_add_t));
538     p_add->i_item = i_item_id;
539     p_add->i_node = i_node_id;
540     val.p_address = p_add;
541     p_playlist->b_reset_random = VLC_TRUE;
542     var_Set( p_playlist, "item-append", val );
543     free( p_add );
544 }
545
546 /*****************************************************************************
547  * Playlist item accessors
548  *****************************************************************************/
549
550 /** Set the name of a playlist item */
551 int playlist_ItemSetName( playlist_item_t *p_item, char *psz_name )
552 {
553     if( psz_name && p_item )
554     {
555         if( p_item->p_input->psz_name ) free( p_item->p_input->psz_name );
556         p_item->p_input->psz_name = strdup( psz_name );
557         return VLC_SUCCESS;
558     }
559     return VLC_EGENERIC;
560 }
561
562 /***************************************************************************
563  * The following functions are local
564  ***************************************************************************/
565
566 /* Enqueue an item for preparsing, and play it, if needed */
567 void GoAndPreparse( playlist_t *p_playlist, int i_mode,
568                     playlist_item_t *p_item_cat, playlist_item_t *p_item_one )
569 {
570     if( (i_mode & PLAYLIST_GO ) )
571     {
572         playlist_item_t *p_parent = p_item_one;
573         playlist_item_t *p_toplay = NULL;
574         while( p_parent )
575         {
576             if( p_parent == p_playlist->p_root_category )
577             {
578                 p_toplay = p_item_cat; break;
579             }
580             else if( p_parent == p_playlist->p_root_onelevel )
581             {
582                 p_toplay = p_item_one; break;
583             }
584             p_parent = p_parent->p_parent;
585         }
586         assert( p_toplay );
587         p_playlist->request.b_request = VLC_TRUE;
588         p_playlist->request.i_skip = 0;
589         p_playlist->request.p_item = p_toplay;
590         if( p_playlist->p_input )
591         {
592             input_StopThread( p_playlist->p_input );
593         }
594         p_playlist->request.i_status = PLAYLIST_RUNNING;
595     }
596     if( i_mode & PLAYLIST_PREPARSE &&
597         var_CreateGetBool( p_playlist, "auto-preparse" ) )
598     {
599         playlist_PreparseEnqueue( p_playlist, p_item_cat->p_input );
600     }
601 }
602
603 /* Add the playlist item to the requested node and fire a notification */
604 void AddItem( playlist_t *p_playlist, playlist_item_t *p_item,
605               playlist_item_t *p_node, int i_pos )
606 {
607     INSERT_ELEM( p_playlist->pp_items, p_playlist->i_size,
608                  p_playlist->i_size, p_item );
609     INSERT_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size,
610                  p_playlist->i_all_size, p_item );
611     p_playlist->i_enabled ++;
612
613     if( i_pos == PLAYLIST_END )
614     {
615         playlist_NodeAppend( p_playlist, p_item, p_node );
616     }
617     else
618     {
619         playlist_NodeInsert( p_playlist, p_item, p_node, i_pos );
620     }
621     if( !p_playlist->b_doing_ml )
622         playlist_SendAddNotify( p_playlist, p_item->i_id, p_node->i_id );
623 }
624
625 /* Actually convert an item to a node */
626 void ChangeToNode( playlist_t *p_playlist, playlist_item_t *p_item )
627 {
628     int i;
629     if( p_item->i_children == -1 )
630         p_item->i_children = 0;
631
632     /* Remove it from the array of available items */
633     for( i = 0 ; i < p_playlist->i_size ; i++ )
634     {
635         if( p_item == p_playlist->pp_items[i] )
636         {
637             REMOVE_ELEM( p_playlist->pp_items, p_playlist->i_size, i );
638         }
639     }
640 }
641
642 /* Do the actual removal */
643 int DeleteInner( playlist_t * p_playlist, playlist_item_t *p_item,
644                 vlc_bool_t b_stop )
645 {
646     int i, i_top, i_bottom;
647     int i_id = p_item->i_id;
648     vlc_bool_t b_flag = VLC_FALSE;
649
650     if( p_item->i_children > -1 )
651     {
652         return playlist_NodeDelete( p_playlist, p_item, VLC_TRUE, VLC_FALSE );
653     }
654     p_playlist->b_reset_random = VLC_TRUE;
655     var_SetInteger( p_playlist, "item-deleted", i_id );
656
657     /* Remove the item from the bank */
658     i_bottom = 0; i_top = p_playlist->i_all_size - 1;
659     i = i_top / 2;
660     while( p_playlist->pp_all_items[i]->i_id != i_id &&
661            i_top > i_bottom )
662     {
663         if( p_playlist->pp_all_items[i]->i_id < i_id )
664         {
665             i_bottom = i + 1;
666         }
667         else
668         {
669             i_top = i - 1;
670         }
671         i = i_bottom + ( i_top - i_bottom ) / 2;
672     }
673     if( p_playlist->pp_all_items[i]->i_id == i_id )
674     {
675         REMOVE_ELEM( p_playlist->pp_all_items, p_playlist->i_all_size, i );
676     }
677
678     /* Check if it is the current item */
679     if( p_playlist->status.p_item == p_item )
680     {
681         /* Hack we don't call playlist_Control for lock reasons */
682         if( b_stop )
683         {
684             p_playlist->request.i_status = PLAYLIST_STOPPED;
685             p_playlist->request.b_request = VLC_TRUE;
686             p_playlist->request.p_item = NULL;
687             msg_Info( p_playlist, "stopping playback" );
688         }
689         b_flag = VLC_TRUE;
690     }
691
692     PL_DEBUG( "deleting item `%s'", p_item->p_input->psz_name );
693
694     /* Remove the item from its parent */
695     playlist_NodeRemoveItem( p_playlist, p_item, p_item->p_parent );
696
697     if( b_flag == VLC_FALSE )
698         playlist_ItemDelete( p_item );
699     else
700     {
701         PL_DEBUG( "marking %s for further deletion", PLI_NAME( p_item ) );
702         p_item->i_flags |= PLAYLIST_REMOVE_FLAG;
703     }
704
705     return VLC_SUCCESS;
706 }