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         struct dirinfo info = dir_get_info(dir, entry);
 157         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 158         if (ext_pos <= 0 /* too short to carry ".talk" */
 159             || (info.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     bool (*callback_show_item)(char *, int, struct tree_context *) = NULL;
 273     DIR *dir;
 274
 275     if (tempdir)
 276         dir = opendir(tempdir);
 277     else
 278     {
 279         dir = opendir(c->currdir);
 280         callback_show_item = c->browse? c->browse->callback_show_item: NULL;
 281     }
 282     if(!dir)
 283         return -1; /* not a directory */
 284
 285     c->dirsindir = 0;
 286     c->dirfull = false;
 287
 288     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 289         int len;
 290         struct dirent *entry = readdir(dir);
 291         struct dirinfo info;
 292         struct entry* dptr =
 293             (struct entry*)(c->dircache + i * sizeof(struct entry));
 294         if (!entry)
 295             break;
 296
 297         info = dir_get_info(dir, entry);
 298         len = strlen((char *)entry->d_name);
 299
 300         /* skip directories . and .. */
 301         if ((info.attribute & ATTR_DIRECTORY) &&
 302             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 303              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 304             i--;
 305             continue;
 306         }
 307
 308         /* Skip FAT volume ID */
 309         if (info.attribute & ATTR_VOLUME_ID) {
 310             i--;
 311             continue;
 312         }
 313
 314         /* filter out dotfiles and hidden files */
 315         if (*c->dirfilter != SHOW_ALL &&
 316             ((entry->d_name[0]=='.') ||
 317             (info.attribute & ATTR_HIDDEN))) {
 318             i--;
 319             continue;
 320         }
 321
 322         dptr->attr = info.attribute;
 323
 324         /* check for known file types */
 325         if ( !(dptr->attr & ATTR_DIRECTORY) )
 326             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 327
 328         /* filter out non-visible files */
 329         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 330             (*c->dirfilter == SHOW_PLAYLIST &&
 331              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 332             ((*c->dirfilter == SHOW_MUSIC &&
 333              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 334              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 335             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 336             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 337 #ifdef HAVE_LCD_BITMAP
 338             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 339             (*c->dirfilter == SHOW_SBS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
 340 #if CONFIG_TUNER
 341             (*c->dirfilter == SHOW_FMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMS) ||
 342 #endif
 343 #endif
 344 #ifdef HAVE_REMOTE_LCD
 345             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 346             (*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
 347 #if CONFIG_TUNER
 348             (*c->dirfilter == SHOW_RFMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RFMS) ||
 349 #endif
 350 #endif
 351 #if CONFIG_TUNER
 352             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 353 #endif
 354             (*c->dirfilter == SHOW_M3U && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 355             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 356             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 357             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 358             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK &&
 359                                               (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LUA) ||
 360             (callback_show_item && !callback_show_item(entry->d_name, dptr->attr, c)))
 361         {
 362             i--;
 363             continue;
 364         }
 365
 366         if (len > c->name_buffer_size - name_buffer_used - 1) {
 367             /* Tell the world that we ran out of buffer space */
 368             c->dirfull = true;
 369             break;
 370         }
 371         dptr->name = &c->name_buffer[name_buffer_used];
 372         dptr->time_write =
 373             (long)info.wrtdate<<16 |
 374             (long)info.wrttime; /* in one # */
 375         strcpy(dptr->name, (char *)entry->d_name);
 376         name_buffer_used += len + 1;
 377
 378         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 379             c->dirsindir++;
 380     }
 381     c->filesindir = i;
 382     c->dirlength = i;
 383     closedir(dir);
 384
 385     compare_sort_dir = c->sort_dir;
 386     qsort(c->dircache,i,sizeof(struct entry),compare);
 387
 388     /* If thumbnail talking is enabled, make an extra run to mark files with
 389        associated thumbnails, so we don't do unsuccessful spinups later. */
 390     if (global_settings.talk_file_clip)
 391         check_file_thumbnails(c); /* map .talk to ours */
 392
 393     return 0;
 394 }
 395 #ifdef HAVE_LCD_BITMAP
 396 static void ft_load_font(char *file)
 397 {
 398 #if NB_SCREENS > 1
 399     MENUITEM_STRINGLIST(menu, ID2P(LANG_CUSTOM_FONT), NULL,
 400                         ID2P(LANG_MAIN_SCREEN), ID2P(LANG_REMOTE_SCREEN))
 401     switch (do_menu(&menu, NULL, NULL, false))
 402     {
 403         case 0: /* main lcd */
 404             splash(0, ID2P(LANG_WAIT));
 405             font_load(NULL, file);
 406             set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 407             break;
 408         case 1: /* remote */
 409             splash(0, ID2P(LANG_WAIT));
 410             font_load_remoteui(file);
 411             set_file(file, (char *)global_settings.remote_font_file, MAX_FILENAME);
 412             break;
 413     }
 414 #else
 415     splash(0, ID2P(LANG_WAIT));
 416     font_load(NULL, file);
 417     set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 418 #endif
 419 }
 420 #endif
 421
 422 int ft_enter(struct tree_context* c)
 423 {
 424     int rc = GO_TO_PREVIOUS;
 425     char buf[MAX_PATH];
 426     struct entry *dircache = c->dircache;
 427     struct entry* file = &dircache[c->selected_item];
 428
 429     if (c->currdir[1])
 430         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 431     else
 432         snprintf(buf,sizeof(buf),"/%s",file->name);
 433
 434     if (file->attr & ATTR_DIRECTORY) {
 435         memcpy(c->currdir, buf, sizeof(c->currdir));
 436         if ( c->dirlevel < MAX_DIR_LEVELS )
 437             c->selected_item_history[c->dirlevel] = c->selected_item;
 438         c->dirlevel++;
 439         c->selected_item=0;
 440     }
 441     else {
 442         int seed = current_tick;
 443         bool play = false;
 444         int start_index=0;
 445
 446         switch ( file->attr & FILE_ATTR_MASK ) {
 447             case FILE_ATTR_M3U:
 448                 play = ft_play_playlist(buf, c->currdir, file->name);
 449
 450                 if (play)
 451                 {
 452                     start_index = 0;
 453                 }
 454
 455                 break;
 456
 457             case FILE_ATTR_AUDIO:
 458                 if (bookmark_autoload(c->currdir))
 459                     break;
 460
 461                 splash(0, ID2P(LANG_WAIT));
 462
 463                 /* about to create a new current playlist...
 464                    allow user to cancel the operation */
 465                 if (!warn_on_pl_erase())
 466                     break;
 467
 468                 if (global_settings.party_mode && audio_status())
 469                 {
 470                     playlist_insert_track(NULL, buf,
 471                                           PLAYLIST_INSERT_LAST, true, true);
 472                     splash(HZ, ID2P(LANG_QUEUE_LAST));
 473                 }
 474                 else if (playlist_create(c->currdir, NULL) != -1)
 475                 {
 476                     start_index = ft_build_playlist(c, c->selected_item);
 477                     if (global_settings.playlist_shuffle)
 478                     {
 479                         start_index = playlist_shuffle(seed, start_index);
 480
 481                         /* when shuffling dir.: play all files
 482                            even if the file selected by user is
 483                            not the first one */
 484                         if (!global_settings.play_selected)
 485                             start_index = 0;
 486                     }
 487
 488                     playlist_start(start_index, 0);
 489                     play = true;
 490                 }
 491                 break;
 492
 493 #if CONFIG_TUNER
 494                 /* fmr preset file */
 495             case FILE_ATTR_FMR:
 496                 splash(0, ID2P(LANG_WAIT));
 497
 498                 /* Preset inside the default folder. */
 499                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 500                 {
 501                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 502                     radio_load_presets(global_settings.fmr_file);
 503                 }
 504                 /*
 505                  * Preset outside default folder, we can choose such only
 506                  * if we are out of the radio screen, so the check for the
 507                  * radio status isn't neccessary
 508                  */
 509                 else
 510                 {
 511                     radio_load_presets(buf);
 512                 }
 513                 rc = GO_TO_FM;
 514
 515                 break;
 516             case FILE_ATTR_FMS:
 517                 splash(0, ID2P(LANG_WAIT));
 518                 set_file(buf, (char *)global_settings.fms_file, MAX_FILENAME);
 519                 settings_apply_skins();
 520                 break;
 521 #ifdef HAVE_REMOTE_LCD
 522             case FILE_ATTR_RFMS:
 523                 splash(0, ID2P(LANG_WAIT));
 524                 set_file(buf, (char *)global_settings.rfms_file, MAX_FILENAME);
 525                 settings_apply_skins();
 526                 break;
 527 #endif
 528 #endif
 529
 530 #ifdef HAVE_LCD_BITMAP
 531             case FILE_ATTR_SBS:
 532                 splash(0, ID2P(LANG_WAIT));
 533                 set_file(buf, (char *)global_settings.sbs_file, MAX_FILENAME);
 534                 settings_apply_skins();
 535                 break;
 536 #endif
 537 #ifdef HAVE_REMOTE_LCD
 538             case FILE_ATTR_RSBS:
 539                 splash(0, ID2P(LANG_WAIT));
 540                 set_file(buf, (char *)global_settings.rsbs_file, MAX_FILENAME);
 541                 settings_apply_skins();
 542                 break;
 543 #endif
 544                 /* wps config file */
 545             case FILE_ATTR_WPS:
 546                 splash(0, ID2P(LANG_WAIT));
 547                 set_file(buf, (char *)global_settings.wps_file,
 548                          MAX_FILENAME);
 549                 settings_apply_skins();
 550                 break;
 551
 552 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 553                 /* remote-wps config file */
 554             case FILE_ATTR_RWPS:
 555                 splash(0, ID2P(LANG_WAIT));
 556                 set_file(buf, (char *)global_settings.rwps_file,
 557                          MAX_FILENAME);
 558                 settings_apply_skins();
 559                 break;
 560 #endif
 561
 562             case FILE_ATTR_CFG:
 563                 splash(0, ID2P(LANG_WAIT));
 564                 if (!settings_load_config(buf,true))
 565                     break;
 566                 splash(HZ, ID2P(LANG_SETTINGS_LOADED));
 567                 break;
 568
 569             case FILE_ATTR_BMARK:
 570                 splash(0, ID2P(LANG_WAIT));
 571                 bookmark_load(buf, false);
 572                 rc = GO_TO_FILEBROWSER;
 573                 break;
 574
 575             case FILE_ATTR_LNG:
 576                 splash(0, ID2P(LANG_WAIT));
 577                 if (lang_core_load(buf))
 578                 {
 579                     splash(HZ, ID2P(LANG_FAILED));
 580                     break;
 581                 }
 582                 set_file(buf, (char *)global_settings.lang_file,
 583                         MAX_FILENAME);
 584                 talk_init(); /* use voice of same language */
 585                 viewportmanager_theme_changed(THEME_LANGUAGE);
 586                 settings_apply_skins();
 587                 splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 588                 break;
 589
 590 #ifdef HAVE_LCD_BITMAP
 591             case FILE_ATTR_FONT:
 592                 ft_load_font(buf);
 593                 break;
 594
 595             case FILE_ATTR_KBD:
 596                 splash(0, ID2P(LANG_WAIT));
 597                 if (!load_kbd(buf))
 598                     splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 599                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 600                 break;
 601 #endif
 602
 603 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
 604                 /* firmware file */
 605             case FILE_ATTR_MOD:
 606                 splash(0, ID2P(LANG_WAIT));
 607                 rolo_load(buf);
 608                 break;
 609 #endif
 610
 611                 /* plugin file */
 612             case FILE_ATTR_ROCK:
 613             case FILE_ATTR_LUA:
 614             {
 615                 char *plugin = buf, *argument = NULL, lua_path[MAX_PATH];
 616                 int ret;
 617
 618                 if ((file->attr & FILE_ATTR_MASK) == FILE_ATTR_LUA) {
 619                     snprintf(lua_path, sizeof(lua_path)-1, "%s/lua.rock", VIEWERS_DIR); /* Use a #define here ? */
 620                     plugin = lua_path;
 621                     argument = buf;
 622                 }
 623
 624                 if (global_settings.party_mode && audio_status()) {
 625                     splash(HZ, ID2P(LANG_PARTY_MODE));
 626                     break;
 627                 }
 628                 ret = plugin_load(plugin, argument);
 629                 switch (ret)
 630                 {
 631                     case PLUGIN_GOTO_WPS:
 632                         play = true;
 633                         break;
 634                     case PLUGIN_USB_CONNECTED:
 635                         if(*c->dirfilter > NUM_FILTER_MODES)
 636                             /* leave sub-browsers after usb, doing
 637                                otherwise might be confusing to the user */
 638                             rc = GO_TO_ROOT;
 639                         else
 640                             rc = GO_TO_FILEBROWSER;
 641                         break;
 642                     /*
 643                     case PLUGIN_ERROR:
 644                     case PLUGIN_OK:
 645                     */
 646                     default:
 647                         break;
 648                 }
 649                 break;
 650             }
 651             case FILE_ATTR_CUE:
 652                 display_cuesheet_content(buf);
 653                 break;
 654
 655             default:
 656             {
 657                 const char* plugin;
 658
 659                 if (global_settings.party_mode && audio_status()) {
 660                     splash(HZ, ID2P(LANG_PARTY_MODE));
 661                     break;
 662                 }
 663
 664                 plugin = filetype_get_plugin(file);
 665                 if (plugin)
 666                 {
 667                     switch (plugin_load(plugin,buf))
 668                     {
 669                         case PLUGIN_USB_CONNECTED:
 670                             rc = GO_TO_FILEBROWSER;
 671                             break;
 672                         case PLUGIN_GOTO_WPS:
 673                             rc = GO_TO_WPS;
 674                             break;
 675                         /*
 676                         case PLUGIN_OK:
 677                         case PLUGIN_ERROR:
 678                         */
 679                         default:
 680                             break;
 681                     }
 682                 }
 683                 break;
 684             }
 685         }
 686
 687         if ( play ) {
 688             /* the resume_index must always be the index in the
 689                shuffled list in case shuffle is enabled */
 690             global_status.resume_index = start_index;
 691             global_status.resume_offset = 0;
 692             status_save();
 693             rc = GO_TO_WPS;
 694         }
 695         else {
 696             if (*c->dirfilter > NUM_FILTER_MODES &&
 697                 *c->dirfilter != SHOW_CFG &&
 698                 *c->dirfilter != SHOW_FONT &&
 699                 *c->dirfilter != SHOW_PLUGINS)
 700             {
 701                 rc = GO_TO_ROOT;
 702             }
 703         }
 704     }
 705     return rc;
 706 }
 707
 708 int ft_exit(struct tree_context* c)
 709 {
 710     extern char lastfile[]; /* from tree.c */
 711     char buf[MAX_PATH];
 712     int rc = 0;
 713     bool exit_func = false;
 714
 715     int i = strlen(c->currdir);
 716     if (i>1) {
 717         while (c->currdir[i-1]!='/')
 718             i--;
 719         strcpy(buf,&c->currdir[i]);
 720         if (i==1)
 721             c->currdir[i]=0;
 722         else
 723             c->currdir[i-1]=0;
 724
 725         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 726             exit_func = true;
 727
 728         c->dirlevel--;
 729         if ( c->dirlevel < MAX_DIR_LEVELS )
 730             c->selected_item=c->selected_item_history[c->dirlevel];
 731         else
 732             c->selected_item=0;
 733
 734         /* if undefined position */
 735         if (c->selected_item == -1)
 736             strcpy(lastfile, buf);
 737     }
 738     else
 739     {
 740         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 741             exit_func = true;
 742     }
 743
 744     if (exit_func)
 745         rc = 3;
 746
 747     return rc;
 748 }