apps/filetree.c

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2005 by Björn Stenberg
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21 #include <stdlib.h>
  22 #include <file.h>
  23 #include <dir.h>
  24 #include <string.h>
  25 #include <kernel.h>
  26 #include <lcd.h>
  27 #include <debug.h>
  28 #include <font.h>
  29 #include <limits.h>
  30 #include "bookmark.h"
  31 #include "tree.h"
  32 #include "settings.h"
  33 #include "filetypes.h"
  34 #include "talk.h"
  35 #include "playlist.h"
  36 #include "lang.h"
  37 #include "language.h"
  38 #include "screens.h"
  39 #include "plugin.h"
  40 #include "rolo.h"
  41 #include "splash.h"
  42 #include "cuesheet.h"
  43 #include "filetree.h"
  44 #include "misc.h"
  45 #include "strnatcmp.h"
  46 #ifdef HAVE_LCD_BITMAP
  47 #include "keyboard.h"
  48 #endif
  49
  50 #if CONFIG_TUNER
  51 #include "radio.h"
  52 #endif
  53 #include "wps.h"
  54
  55 static int compare_sort_dir; /* qsort key for sorting directories */
  56
  57 int ft_build_playlist(struct tree_context* c, int start_index)
  58 {
  59     int i;
  60     int start=start_index;
  61
  62     struct entry *dircache = c->dircache;
  63
  64     for(i = 0;i < c->filesindir;i++)
  65     {
  66         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  67         {
  68             if (playlist_add(dircache[i].name) < 0)
  69                 break;
  70         }
  71         else
  72         {
  73             /* Adjust the start index when se skip non-MP3 entries */
  74             if(i < start)
  75                 start_index--;
  76         }
  77     }
  78
  79     return start_index;
  80 }
  81
  82 /* Start playback of a playlist, checking for bookmark autoload, modified
  83  * playlists, etc., as required. Returns false if playback wasn't started,
  84  * or started via bookmark autoload, true otherwise.
  85  *
  86  * Pointers to both the full pathname and the separated parts needed to
  87  * avoid allocating yet another path buffer on the stack (and save some
  88  * code; the caller typically needs to create the full pathname anyway)...
  89  */
  90 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  91 {
  92     if (global_settings.party_mode && audio_status())
  93     {
  94         splash(HZ, ID2P(LANG_PARTY_MODE));
  95         return false;
  96     }
  97
  98     if (bookmark_autoload(pathname))
  99     {
 100         return false;
 101     }
 102
 103     splash(0, ID2P(LANG_WAIT));
 104
 105     /* about to create a new current playlist...
 106        allow user to cancel the operation */
 107     if (!warn_on_pl_erase())
 108         return false;
 109
 110     if (playlist_create(dirname, filename) != -1)
 111     {
 112         if (global_settings.playlist_shuffle)
 113         {
 114             playlist_shuffle(current_tick, -1);
 115         }
 116
 117         playlist_start(0, 0);
 118         return true;
 119     }
 120
 121     return false;
 122 }
 123
 124 /* walk a directory and check all dircache entries if a .talk file exists */
 125 static void check_file_thumbnails(struct tree_context* c)
 126 {
 127     int i;
 128     struct dirent *entry;
 129     struct entry* dircache = c->dircache;
 130     DIR *dir;
 131
 132     dir = opendir(c->currdir);
 133     if(!dir)
 134         return;
 135     /* mark all files as non talking, except the .talk ones */
 136     for (i=0; i < c->filesindir; i++)
 137     {
 138         if (dircache[i].attr & ATTR_DIRECTORY)
 139             continue; /* we're not touching directories */
 140
 141         if (strcasecmp(file_thumbnail_ext,
 142             &dircache[i].name[strlen(dircache[i].name)
 143                               - strlen(file_thumbnail_ext)]))
 144         {   /* no .talk file */
 145             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 146         }
 147         else
 148         {   /* .talk file, we later let them speak themselves */
 149             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 150         }
 151     }
 152
 153     while((entry = readdir(dir)) != 0) /* walk directory */
 154     {
 155         int ext_pos;
 156
 157         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 158         if (ext_pos <= 0 /* too short to carry ".talk" */
 159             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 160             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 161         {   /* or doesn't end with ".talk", no candidate */
 162             continue;
 163         }
 164
 165         /* terminate the (disposable) name in dir buffer,
 166            this truncates off the ".talk" without needing an extra buffer */
 167         entry->d_name[ext_pos] = '\0';
 168
 169         /* search corresponding file in dir cache */
 170         for (i=0; i < c->filesindir; i++)
 171         {
 172             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 173             {   /* match */
 174                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 175                 break; /* exit search loop, because we found it */
 176             }
 177         }
 178     }
 179     closedir(dir);
 180 }
 181
 182 /* support function for qsort() */
 183 static int compare(const void* p1, const void* p2)
 184 {
 185     struct entry* e1 = (struct entry*)p1;
 186     struct entry* e2 = (struct entry*)p2;
 187     int criteria;
 188
 189     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 190     {   /* two directories */
 191         criteria = compare_sort_dir;
 192
 193 #ifdef HAVE_MULTIVOLUME
 194         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 195         {   /* a volume identifier is involved */
 196             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 197                 criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
 198             else /* only one is a volume: volume first */
 199                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 200         }
 201 #endif
 202
 203     }
 204     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 205     {   /* two files */
 206         criteria = global_settings.sort_file;
 207     }
 208     else /* dir and file, dir goes first */
 209         return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
 210
 211     switch(criteria)
 212     {
 213         case SORT_TYPE:
 214         case SORT_TYPE_REVERSED:
 215         {
 216             int t1 = e1->attr & FILE_ATTR_MASK;
 217             int t2 = e2->attr & FILE_ATTR_MASK;
 218
 219             if (!t1) /* unknown type */
 220                 t1 = INT_MAX; /* gets a high number, to sort after known */
 221             if (!t2) /* unknown type */
 222                 t2 = INT_MAX; /* gets a high number, to sort after known */
 223
 224             if (t1 != t2) /* if different */
 225                 return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
 226             /* else fall through to alphabetical sorting */
 227         }
 228
 229         case SORT_DATE:
 230         case SORT_DATE_REVERSED:
 231             /* Ignore SORT_TYPE */
 232             if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
 233             {
 234                 if (e1->time_write != e2->time_write)
 235                     return (e1->time_write - e2->time_write)
 236                            * (criteria == SORT_DATE_REVERSED ? -1 : 1);
 237                 /* else fall through to alphabetical sorting */
 238             }
 239
 240         case SORT_ALPHA:
 241         case SORT_ALPHA_REVERSED:
 242         {
 243             if (global_settings.sort_case)
 244             {
 245                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 246                     return strnatcmp(e1->name, e2->name)
 247                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 248                 else
 249                     return strncmp(e1->name, e2->name, MAX_PATH)
 250                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 251             }
 252             else
 253             {
 254                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 255                     return strnatcasecmp(e1->name, e2->name)
 256                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 257                 else
 258                     return strncasecmp(e1->name, e2->name, MAX_PATH)
 259                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 260             }
 261         }
 262
 263     }
 264     return 0; /* never reached */
 265 }
 266
 267 /* load and sort directory into dircache. returns NULL on failure. */
 268 int ft_load(struct tree_context* c, const char* tempdir)
 269 {
 270     int i;
 271     int name_buffer_used = 0;
 272     DIR *dir;
 273
 274     if (tempdir)
 275         dir = opendir(tempdir);
 276     else
 277         dir = opendir(c->currdir);
 278     if(!dir)
 279         return -1; /* not a directory */
 280
 281     c->dirsindir = 0;
 282     c->dirfull = false;
 283
 284     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 285         int len;
 286         struct dirent *entry = readdir(dir);
 287         struct entry* dptr =
 288             (struct entry*)(c->dircache + i * sizeof(struct entry));
 289         if (!entry)
 290             break;
 291
 292         len = strlen((char *)entry->d_name);
 293
 294         /* skip directories . and .. */
 295         if ((entry->attribute & ATTR_DIRECTORY) &&
 296             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 297              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 298             i--;
 299             continue;
 300         }
 301
 302         /* Skip FAT volume ID */
 303         if (entry->attribute & ATTR_VOLUME_ID) {
 304             i--;
 305             continue;
 306         }
 307
 308         /* filter out dotfiles and hidden files */
 309         if (*c->dirfilter != SHOW_ALL &&
 310             ((entry->d_name[0]=='.') ||
 311             (entry->attribute & ATTR_HIDDEN))) {
 312             i--;
 313             continue;
 314         }
 315
 316         dptr->attr = entry->attribute;
 317
 318         /* check for known file types */
 319         if ( !(dptr->attr & ATTR_DIRECTORY) )
 320             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 321
 322         /* filter out non-visible files */
 323         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 324             (*c->dirfilter == SHOW_PLAYLIST &&
 325              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 326             ((*c->dirfilter == SHOW_MUSIC &&
 327              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 328              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 329             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 330             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 331 #ifdef HAVE_LCD_BITMAP
 332             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 333             (*c->dirfilter == SHOW_SBS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
 334 #if CONFIG_TUNER
 335             (*c->dirfilter == SHOW_FMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMS) ||
 336 #endif
 337 #endif
 338 #ifdef HAVE_REMOTE_LCD
 339             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 340             (*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
 341 #if CONFIG_TUNER
 342             (*c->dirfilter == SHOW_RFMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RFMS) ||
 343 #endif
 344 #endif
 345 #if CONFIG_TUNER
 346             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 347 #endif
 348             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 349             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 350             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 351             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK &&
 352                                               (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LUA))
 353         {
 354             i--;
 355             continue;
 356         }
 357
 358         if (len > c->name_buffer_size - name_buffer_used - 1) {
 359             /* Tell the world that we ran out of buffer space */
 360             c->dirfull = true;
 361             break;
 362         }
 363         dptr->name = &c->name_buffer[name_buffer_used];
 364         dptr->time_write =
 365             (long)entry->wrtdate<<16 |
 366             (long)entry->wrttime; /* in one # */
 367         strcpy(dptr->name, (char *)entry->d_name);
 368         name_buffer_used += len + 1;
 369
 370         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 371             c->dirsindir++;
 372     }
 373     c->filesindir = i;
 374     c->dirlength = i;
 375     closedir(dir);
 376
 377     compare_sort_dir = c->sort_dir;
 378     qsort(c->dircache,i,sizeof(struct entry),compare);
 379
 380     /* If thumbnail talking is enabled, make an extra run to mark files with
 381        associated thumbnails, so we don't do unsuccessful spinups later. */
 382     if (global_settings.talk_file_clip)
 383         check_file_thumbnails(c); /* map .talk to ours */
 384
 385     return 0;
 386 }
 387 #ifdef HAVE_LCD_BITMAP
 388 static void ft_load_font(char *file)
 389 {
 390 #if NB_SCREENS > 1
 391     MENUITEM_STRINGLIST(menu, ID2P(LANG_CUSTOM_FONT), NULL,
 392                         ID2P(LANG_MAIN_SCREEN), ID2P(LANG_REMOTE_SCREEN))
 393     switch (do_menu(&menu, NULL, NULL, false))
 394     {
 395         case 0: /* main lcd */
 396             splash(0, ID2P(LANG_WAIT));
 397             font_load(NULL, file);
 398             set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 399             break;
 400         case 1: /* remote */
 401             splash(0, ID2P(LANG_WAIT));
 402             font_load_remoteui(file);
 403             set_file(file, (char *)global_settings.remote_font_file, MAX_FILENAME);
 404             break;
 405     }
 406 #else
 407     splash(0, ID2P(LANG_WAIT));
 408     font_load(NULL, file);
 409     set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 410 #endif
 411 }
 412 #endif
 413
 414 int ft_enter(struct tree_context* c)
 415 {
 416     int rc = 0;
 417     char buf[MAX_PATH];
 418     struct entry *dircache = c->dircache;
 419     struct entry* file = &dircache[c->selected_item];
 420     bool reload_dir = false;
 421     bool start_wps = false;
 422     bool exit_func = false;
 423
 424     if (c->currdir[1])
 425         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 426     else
 427         snprintf(buf,sizeof(buf),"/%s",file->name);
 428
 429     if (file->attr & ATTR_DIRECTORY) {
 430         memcpy(c->currdir, buf, sizeof(c->currdir));
 431         if ( c->dirlevel < MAX_DIR_LEVELS )
 432             c->selected_item_history[c->dirlevel] = c->selected_item;
 433         c->dirlevel++;
 434         c->selected_item=0;
 435     }
 436     else {
 437         int seed = current_tick;
 438         bool play = false;
 439         int start_index=0;
 440
 441         switch ( file->attr & FILE_ATTR_MASK ) {
 442             case FILE_ATTR_M3U:
 443                 play = ft_play_playlist(buf, c->currdir, file->name);
 444
 445                 if (play)
 446                 {
 447                     start_index = 0;
 448                 }
 449
 450                 break;
 451
 452             case FILE_ATTR_AUDIO:
 453                 if (bookmark_autoload(c->currdir))
 454                     break;
 455
 456                 splash(0, ID2P(LANG_WAIT));
 457
 458                 /* about to create a new current playlist...
 459                    allow user to cancel the operation */
 460                 if (!warn_on_pl_erase())
 461                     break;
 462
 463                 if (global_settings.party_mode && audio_status())
 464                 {
 465                     playlist_insert_track(NULL, buf,
 466                                           PLAYLIST_INSERT_LAST, true, true);
 467                     splash(HZ, ID2P(LANG_QUEUE_LAST));
 468                 }
 469                 else if (playlist_create(c->currdir, NULL) != -1)
 470                 {
 471                     start_index = ft_build_playlist(c, c->selected_item);
 472                     if (global_settings.playlist_shuffle)
 473                     {
 474                         start_index = playlist_shuffle(seed, start_index);
 475
 476                         /* when shuffling dir.: play all files
 477                            even if the file selected by user is
 478                            not the first one */
 479                         if (!global_settings.play_selected)
 480                             start_index = 0;
 481                     }
 482
 483                     playlist_start(start_index, 0);
 484                     play = true;
 485                 }
 486                 break;
 487
 488 #if CONFIG_TUNER
 489                 /* fmr preset file */
 490             case FILE_ATTR_FMR:
 491                 splash(0, ID2P(LANG_WAIT));
 492
 493                 /* Preset inside the default folder. */
 494                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 495                 {
 496                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 497                     radio_load_presets(global_settings.fmr_file);
 498                     if(!in_radio_screen())
 499                         radio_screen();
 500                 }
 501                 /*
 502                  * Preset outside default folder, we can choose such only
 503                  * if we are out of the radio screen, so the check for the
 504                  * radio status isn't neccessary
 505                  */
 506                 else
 507                 {
 508                     radio_load_presets(buf);
 509                     radio_screen();
 510                 }
 511
 512                 break;
 513             case FILE_ATTR_FMS:
 514                 splash(0, ID2P(LANG_WAIT));
 515                 set_file(buf, (char *)global_settings.fms_file, MAX_FILENAME);
 516                 settings_apply_skins();
 517                 break;
 518 #ifdef HAVE_REMOTE_LCD
 519             case FILE_ATTR_RFMS:
 520                 splash(0, ID2P(LANG_WAIT));
 521                 set_file(buf, (char *)global_settings.rfms_file, MAX_FILENAME);
 522                 settings_apply_skins();
 523                 break;
 524 #endif
 525 #endif
 526
 527 #ifdef HAVE_LCD_BITMAP
 528             case FILE_ATTR_SBS:
 529                 splash(0, ID2P(LANG_WAIT));
 530                 set_file(buf, (char *)global_settings.sbs_file, MAX_FILENAME);
 531                 settings_apply_skins();
 532                 break;
 533 #endif
 534 #ifdef HAVE_REMOTE_LCD
 535             case FILE_ATTR_RSBS:
 536                 splash(0, ID2P(LANG_WAIT));
 537                 set_file(buf, (char *)global_settings.rsbs_file, MAX_FILENAME);
 538                 settings_apply_skins();
 539                 break;
 540 #endif
 541                 /* wps config file */
 542             case FILE_ATTR_WPS:
 543                 splash(0, ID2P(LANG_WAIT));
 544                 set_file(buf, (char *)global_settings.wps_file,
 545                          MAX_FILENAME);
 546                 settings_apply_skins();
 547                 break;
 548
 549 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 550                 /* remote-wps config file */
 551             case FILE_ATTR_RWPS:
 552                 splash(0, ID2P(LANG_WAIT));
 553                 set_file(buf, (char *)global_settings.rwps_file,
 554                          MAX_FILENAME);
 555                 settings_apply_skins();
 556                 break;
 557 #endif
 558
 559             case FILE_ATTR_CFG:
 560                 splash(0, ID2P(LANG_WAIT));
 561                 if (!settings_load_config(buf,true))
 562                     break;
 563                 splash(HZ, ID2P(LANG_SETTINGS_LOADED));
 564                 break;
 565
 566             case FILE_ATTR_BMARK:
 567                 splash(0, ID2P(LANG_WAIT));
 568                 bookmark_load(buf, false);
 569                 reload_dir = true;
 570                 break;
 571
 572             case FILE_ATTR_LNG:
 573                 splash(0, ID2P(LANG_WAIT));
 574                 if (lang_core_load(buf))
 575                 {
 576                     splash(HZ, ID2P(LANG_FAILED));
 577                     break;
 578                 }
 579                 set_file(buf, (char *)global_settings.lang_file,
 580                         MAX_FILENAME);
 581                 talk_init(); /* use voice of same language */
 582                 viewportmanager_theme_changed(THEME_LANGUAGE);
 583                 settings_apply_skins();
 584                 splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 585                 break;
 586
 587 #ifdef HAVE_LCD_BITMAP
 588             case FILE_ATTR_FONT:
 589                 ft_load_font(buf);
 590                 break;
 591
 592             case FILE_ATTR_KBD:
 593                 splash(0, ID2P(LANG_WAIT));
 594                 if (!load_kbd(buf))
 595                     splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 596                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 597                 break;
 598 #endif
 599
 600 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
 601                 /* firmware file */
 602             case FILE_ATTR_MOD:
 603                 splash(0, ID2P(LANG_WAIT));
 604                 rolo_load(buf);
 605                 break;
 606 #endif
 607
 608                 /* plugin file */
 609             case FILE_ATTR_ROCK:
 610             case FILE_ATTR_LUA:
 611             {
 612                 char *plugin = buf, *argument = NULL;
 613                 int ret;
 614
 615                 if ((file->attr & FILE_ATTR_MASK) == FILE_ATTR_LUA) {
 616                     plugin = VIEWERS_DIR "/lua.rock"; /* Use a #define here ? */
 617                     argument = buf;
 618                 }
 619
 620                 if (global_settings.party_mode && audio_status()) {
 621                     splash(HZ, ID2P(LANG_PARTY_MODE));
 622                     break;
 623                 }
 624                 ret = plugin_load(plugin, argument);
 625                 switch (ret)
 626                 {
 627                     case PLUGIN_GOTO_WPS:
 628                         play = true;
 629                         break;
 630                     case PLUGIN_USB_CONNECTED:
 631                         if(*c->dirfilter > NUM_FILTER_MODES)
 632                             /* leave sub-browsers after usb, doing
 633                                otherwise might be confusing to the user */
 634                             exit_func = true;
 635                         else
 636                             reload_dir = true;
 637                         break;
 638                     /*
 639                     case PLUGIN_ERROR:
 640                     case PLUGIN_OK:
 641                     */
 642                     default:
 643                         break;
 644                 }
 645                 break;
 646             }
 647             case FILE_ATTR_CUE:
 648                 display_cuesheet_content(buf);
 649                 break;
 650
 651             default:
 652             {
 653                 const char* plugin;
 654
 655                 if (global_settings.party_mode && audio_status()) {
 656                     splash(HZ, ID2P(LANG_PARTY_MODE));
 657                     break;
 658                 }
 659
 660                 plugin = filetype_get_plugin(file);
 661                 if (plugin)
 662                 {
 663                     switch (plugin_load(plugin,buf))
 664                     {
 665                         case PLUGIN_USB_CONNECTED:
 666                             reload_dir = true;
 667                             break;
 668                         case PLUGIN_GOTO_WPS:
 669                             play = true;
 670                             break;
 671                         /*
 672                         case PLUGIN_OK:
 673                         case PLUGIN_ERROR:
 674                         */
 675                         default:
 676                             break;
 677                     }
 678                 }
 679                 break;
 680             }
 681         }
 682
 683         if ( play ) {
 684             /* the resume_index must always be the index in the
 685                shuffled list in case shuffle is enabled */
 686             global_status.resume_index = start_index;
 687             global_status.resume_offset = 0;
 688             status_save();
 689
 690             start_wps = true;
 691         }
 692         else {
 693             if (*c->dirfilter > NUM_FILTER_MODES &&
 694                 *c->dirfilter != SHOW_CFG &&
 695                 *c->dirfilter != SHOW_FONT &&
 696                 *c->dirfilter != SHOW_PLUGINS)
 697             {
 698                 exit_func = true;
 699             }
 700         }
 701     }
 702
 703     if (reload_dir)
 704         rc = 1;
 705     if (start_wps)
 706         rc = 2;
 707     if (exit_func)
 708         rc = 3;
 709
 710     return rc;
 711 }
 712
 713 int ft_exit(struct tree_context* c)
 714 {
 715     extern char lastfile[]; /* from tree.c */
 716     char buf[MAX_PATH];
 717     int rc = 0;
 718     bool exit_func = false;
 719
 720     int i = strlen(c->currdir);
 721     if (i>1) {
 722         while (c->currdir[i-1]!='/')
 723             i--;
 724         strcpy(buf,&c->currdir[i]);
 725         if (i==1)
 726             c->currdir[i]=0;
 727         else
 728             c->currdir[i-1]=0;
 729
 730         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 731             exit_func = true;
 732
 733         c->dirlevel--;
 734         if ( c->dirlevel < MAX_DIR_LEVELS )
 735             c->selected_item=c->selected_item_history[c->dirlevel];
 736         else
 737             c->selected_item=0;
 738
 739         /* if undefined position */
 740         if (c->selected_item == -1)
 741             strcpy(lastfile, buf);
 742     }
 743     else
 744     {
 745         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 746             exit_func = true;
 747     }
 748
 749     if (exit_func)
 750         rc = 3;
 751
 752     return rc;
 753 }