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 #include "playlist_viewer.h"
  47 #ifdef HAVE_LCD_BITMAP
  48 #include "keyboard.h"
  49 #endif
  50
  51 #if CONFIG_TUNER
  52 #include "radio.h"
  53 #endif
  54 #include "wps.h"
  55
  56 static int compare_sort_dir; /* qsort key for sorting directories */
  57
  58 int ft_build_playlist(struct tree_context* c, int start_index)
  59 {
  60     int i;
  61     int start=start_index;
  62
  63     struct entry *entries = c->cache.entries;
  64
  65     for(i = 0;i < c->filesindir;i++)
  66     {
  67         if((entries[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  68         {
  69             if (playlist_add(entries[i].name) < 0)
  70                 break;
  71         }
  72         else
  73         {
  74             /* Adjust the start index when se skip non-MP3 entries */
  75             if(i < start)
  76                 start_index--;
  77         }
  78     }
  79
  80     return start_index;
  81 }
  82
  83 /* Start playback of a playlist, checking for bookmark autoload, modified
  84  * playlists, etc., as required. Returns false if playback wasn't started,
  85  * or started via bookmark autoload, true otherwise.
  86  *
  87  * Pointers to both the full pathname and the separated parts needed to
  88  * avoid allocating yet another path buffer on the stack (and save some
  89  * code; the caller typically needs to create the full pathname anyway)...
  90  */
  91 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  92 {
  93     if (global_settings.party_mode && audio_status())
  94     {
  95         splash(HZ, ID2P(LANG_PARTY_MODE));
  96         return false;
  97     }
  98
  99     if (bookmark_autoload(pathname))
 100     {
 101         return false;
 102     }
 103
 104     splash(0, ID2P(LANG_WAIT));
 105
 106     /* about to create a new current playlist...
 107        allow user to cancel the operation */
 108     if (!warn_on_pl_erase())
 109         return false;
 110
 111     if (playlist_create(dirname, filename) != -1)
 112     {
 113         if (global_settings.playlist_shuffle)
 114         {
 115             playlist_shuffle(current_tick, -1);
 116         }
 117
 118         playlist_start(0, 0);
 119         return true;
 120     }
 121
 122     return false;
 123 }
 124
 125 /* walk a directory and check all entries if a .talk file exists */
 126 static void check_file_thumbnails(struct tree_context* c)
 127 {
 128     int i;
 129     struct dirent *entry;
 130     struct entry* entries = c->cache.entries;
 131     DIR *dir;
 132
 133     dir = opendir(c->currdir);
 134     if(!dir)
 135         return;
 136     /* mark all files as non talking, except the .talk ones */
 137     for (i=0; i < c->filesindir; i++)
 138     {
 139         if (entries[i].attr & ATTR_DIRECTORY)
 140             continue; /* we're not touching directories */
 141
 142         if (strcasecmp(file_thumbnail_ext,
 143             &entries[i].name[strlen(entries[i].name)
 144                               - strlen(file_thumbnail_ext)]))
 145         {   /* no .talk file */
 146             entries[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 147         }
 148         else
 149         {   /* .talk file, we later let them speak themselves */
 150             entries[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 151         }
 152     }
 153
 154     while((entry = readdir(dir)) != 0) /* walk directory */
 155     {
 156         int ext_pos;
 157         struct dirinfo info = dir_get_info(dir, entry);
 158         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 159         if (ext_pos <= 0 /* too short to carry ".talk" */
 160             || (info.attribute & ATTR_DIRECTORY) /* no file */
 161             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 162         {   /* or doesn't end with ".talk", no candidate */
 163             continue;
 164         }
 165
 166         /* terminate the (disposable) name in dir buffer,
 167            this truncates off the ".talk" without needing an extra buffer */
 168         entry->d_name[ext_pos] = '\0';
 169
 170         /* search corresponding file in dir cache */
 171         for (i=0; i < c->filesindir; i++)
 172         {
 173             if (!strcasecmp(entries[i].name, (char *)entry->d_name))
 174             {   /* match */
 175                 entries[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 176                 break; /* exit search loop, because we found it */
 177             }
 178         }
 179     }
 180     closedir(dir);
 181 }
 182
 183 /* support function for qsort() */
 184 static int compare(const void* p1, const void* p2)
 185 {
 186     struct entry* e1 = (struct entry*)p1;
 187     struct entry* e2 = (struct entry*)p2;
 188     int criteria;
 189
 190     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 191     {   /* two directories */
 192         criteria = compare_sort_dir;
 193
 194 #ifdef HAVE_MULTIVOLUME
 195         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 196         {   /* a volume identifier is involved */
 197             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 198                 criteria = SORT_ALPHA; /* two volumes: sort alphabetically */
 199             else /* only one is a volume: volume first */
 200                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 201         }
 202 #endif
 203
 204     }
 205     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 206     {   /* two files */
 207         criteria = global_settings.sort_file;
 208     }
 209     else /* dir and file, dir goes first */
 210         return (e2->attr & ATTR_DIRECTORY) - (e1->attr & ATTR_DIRECTORY);
 211
 212     switch(criteria)
 213     {
 214         case SORT_TYPE:
 215         case SORT_TYPE_REVERSED:
 216         {
 217             int t1 = e1->attr & FILE_ATTR_MASK;
 218             int t2 = e2->attr & FILE_ATTR_MASK;
 219
 220             if (!t1) /* unknown type */
 221                 t1 = INT_MAX; /* gets a high number, to sort after known */
 222             if (!t2) /* unknown type */
 223                 t2 = INT_MAX; /* gets a high number, to sort after known */
 224
 225             if (t1 != t2) /* if different */
 226                 return (t1 - t2) * (criteria == SORT_TYPE_REVERSED ? -1 : 1);
 227             /* else fall through to alphabetical sorting */
 228         }
 229
 230         case SORT_DATE:
 231         case SORT_DATE_REVERSED:
 232             /* Ignore SORT_TYPE */
 233             if (criteria == SORT_DATE || criteria == SORT_DATE_REVERSED)
 234             {
 235                 if (e1->time_write != e2->time_write)
 236                     return (e1->time_write - e2->time_write)
 237                            * (criteria == SORT_DATE_REVERSED ? -1 : 1);
 238                 /* else fall through to alphabetical sorting */
 239             }
 240
 241         case SORT_ALPHA:
 242         case SORT_ALPHA_REVERSED:
 243         {
 244             if (global_settings.sort_case)
 245             {
 246                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 247                     return strnatcmp(e1->name, e2->name)
 248                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 249                 else
 250                     return strncmp(e1->name, e2->name, MAX_PATH)
 251                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 252             }
 253             else
 254             {
 255                 if (global_settings.interpret_numbers == SORT_INTERPRET_AS_NUMBER)
 256                     return strnatcasecmp(e1->name, e2->name)
 257                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 258                 else
 259                     return strncasecmp(e1->name, e2->name, MAX_PATH)
 260                            * (criteria == SORT_ALPHA_REVERSED ? -1 : 1);
 261             }
 262         }
 263
 264     }
 265     return 0; /* never reached */
 266 }
 267
 268 /* load and sort directory into the tree's cache. returns NULL on failure. */
 269 int ft_load(struct tree_context* c, const char* tempdir)
 270 {
 271     int files_in_dir = 0;
 272     int name_buffer_used = 0;
 273     struct dirent *entry;
 274     bool (*callback_show_item)(char *, int, struct tree_context *) = NULL;
 275     DIR *dir;
 276
 277     if (tempdir)
 278         dir = opendir(tempdir);
 279     else
 280     {
 281         dir = opendir(c->currdir);
 282         callback_show_item = c->browse? c->browse->callback_show_item: NULL;
 283     }
 284     if(!dir)
 285         return -1; /* not a directory */
 286
 287     c->dirsindir = 0;
 288     c->dirfull = false;
 289
 290     while ((entry = readdir(dir))) {
 291         int len;
 292         struct dirinfo info;
 293         struct entry* table = c->cache.entries;
 294         struct entry* dptr = &table[files_in_dir];
 295         if (!entry)
 296             break;
 297
 298         info = dir_get_info(dir, entry);
 299         len = strlen((char *)entry->d_name);
 300
 301         /* skip directories . and .. */
 302         if ((info.attribute & ATTR_DIRECTORY) &&
 303             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 304              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 305             continue;
 306         }
 307
 308         /* Skip FAT volume ID */
 309         if (info.attribute & ATTR_VOLUME_ID) {
 310             continue;
 311         }
 312
 313         /* filter out dotfiles and hidden files */
 314         if (*c->dirfilter != SHOW_ALL &&
 315             ((entry->d_name[0]=='.') ||
 316             (info.attribute & ATTR_HIDDEN))) {
 317             continue;
 318         }
 319
 320         dptr->attr = info.attribute;
 321
 322         /* check for known file types */
 323         if ( !(dptr->attr & ATTR_DIRECTORY) )
 324             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 325
 326         /* filter out non-visible files */
 327         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 328             (*c->dirfilter == SHOW_PLAYLIST &&
 329              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 330             ((*c->dirfilter == SHOW_MUSIC &&
 331              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 332              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 333             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 334             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 335 #ifdef HAVE_LCD_BITMAP
 336             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 337             (*c->dirfilter == SHOW_SBS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_SBS) ||
 338 #if CONFIG_TUNER
 339             (*c->dirfilter == SHOW_FMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMS) ||
 340 #endif
 341 #endif
 342 #ifdef HAVE_REMOTE_LCD
 343             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 344             (*c->dirfilter == SHOW_RSBS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RSBS) ||
 345 #if CONFIG_TUNER
 346             (*c->dirfilter == SHOW_RFMS  && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RFMS) ||
 347 #endif
 348 #endif
 349 #if CONFIG_TUNER
 350             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 351 #endif
 352             (*c->dirfilter == SHOW_M3U && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 353             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 354             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 355             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 356             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK &&
 357                                               (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LUA) ||
 358             (callback_show_item && !callback_show_item(entry->d_name, dptr->attr, c)))
 359         {
 360             continue;
 361         }
 362
 363         if ((len > c->cache.name_buffer_size - name_buffer_used - 1) ||
 364             (files_in_dir >= c->cache.max_entries)) {
 365             /* Tell the world that we ran out of buffer space */
 366             c->dirfull = true;
 367             break;
 368         }
 369
 370         ++files_in_dir;
 371
 372         dptr->name = &c->cache.name_buffer[name_buffer_used];
 373         dptr->time_write =
 374             (long)info.wrtdate<<16 |
 375             (long)info.wrttime; /* in one # */
 376         strcpy(dptr->name, (char *)entry->d_name);
 377         name_buffer_used += len + 1;
 378
 379         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 380             c->dirsindir++;
 381     }
 382     c->filesindir = files_in_dir;
 383     c->dirlength = files_in_dir;
 384     closedir(dir);
 385
 386     compare_sort_dir = c->sort_dir;
 387     qsort(c->cache.entries, files_in_dir, sizeof(struct entry), compare);
 388
 389     /* If thumbnail talking is enabled, make an extra run to mark files with
 390        associated thumbnails, so we don't do unsuccessful spinups later. */
 391     if (global_settings.talk_file_clip)
 392         check_file_thumbnails(c); /* map .talk to ours */
 393
 394     return 0;
 395 }
 396 #ifdef HAVE_LCD_BITMAP
 397 static void ft_load_font(char *file)
 398 {
 399 #if NB_SCREENS > 1
 400     MENUITEM_STRINGLIST(menu, ID2P(LANG_CUSTOM_FONT), NULL,
 401                         ID2P(LANG_MAIN_SCREEN), ID2P(LANG_REMOTE_SCREEN))
 402     switch (do_menu(&menu, NULL, NULL, false))
 403     {
 404         case 0: /* main lcd */
 405             splash(0, ID2P(LANG_WAIT));
 406             font_load(NULL, file);
 407             set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 408             break;
 409         case 1: /* remote */
 410             splash(0, ID2P(LANG_WAIT));
 411             font_load_remoteui(file);
 412             set_file(file, (char *)global_settings.remote_font_file, MAX_FILENAME);
 413             break;
 414     }
 415 #else
 416     splash(0, ID2P(LANG_WAIT));
 417     font_load(NULL, file);
 418     set_file(file, (char *)global_settings.font_file, MAX_FILENAME);
 419 #endif
 420 }
 421 #endif
 422
 423 int ft_enter(struct tree_context* c)
 424 {
 425     int rc = GO_TO_PREVIOUS;
 426     char buf[MAX_PATH];
 427     struct entry* table = c->cache.entries;
 428     struct entry *file = &table[c->selected_item];
 429
 430     if (c->currdir[1])
 431         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 432     else
 433         snprintf(buf,sizeof(buf),"/%s",file->name);
 434
 435     if (file->attr & ATTR_DIRECTORY) {
 436         memcpy(c->currdir, buf, sizeof(c->currdir));
 437         if ( c->dirlevel < MAX_DIR_LEVELS )
 438             c->selected_item_history[c->dirlevel] = c->selected_item;
 439         c->dirlevel++;
 440         c->selected_item=0;
 441     }
 442     else {
 443         int seed = current_tick;
 444         bool play = false;
 445         int start_index=0;
 446
 447         switch ( file->attr & FILE_ATTR_MASK ) {
 448             case FILE_ATTR_M3U:
 449                 if (!bookmark_autoload(buf))
 450                     playlist_viewer_ex(buf);
 451                 break;
 452
 453             case FILE_ATTR_AUDIO:
 454                 if (bookmark_autoload(c->currdir))
 455                     break;
 456
 457                 splash(0, ID2P(LANG_WAIT));
 458
 459                 /* about to create a new current playlist...
 460                    allow user to cancel the operation */
 461                 if (!warn_on_pl_erase())
 462                     break;
 463
 464                 if (global_settings.party_mode && audio_status())
 465                 {
 466                     playlist_insert_track(NULL, buf,
 467                                           PLAYLIST_INSERT_LAST, true, true);
 468                     splash(HZ, ID2P(LANG_QUEUE_LAST));
 469                 }
 470                 else if (playlist_create(c->currdir, NULL) != -1)
 471                 {
 472                     start_index = ft_build_playlist(c, c->selected_item);
 473                     if (global_settings.playlist_shuffle)
 474                     {
 475                         start_index = playlist_shuffle(seed, start_index);
 476
 477                         /* when shuffling dir.: play all files
 478                            even if the file selected by user is
 479                            not the first one */
 480                         if (!global_settings.play_selected)
 481                             start_index = 0;
 482                     }
 483
 484                     playlist_start(start_index, 0);
 485                     play = true;
 486                 }
 487                 break;
 488
 489 #if CONFIG_TUNER
 490                 /* fmr preset file */
 491             case FILE_ATTR_FMR:
 492                 splash(0, ID2P(LANG_WAIT));
 493
 494                 /* Preset inside the default folder. */
 495                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 496                 {
 497                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 498                     radio_load_presets(global_settings.fmr_file);
 499                 }
 500                 /*
 501                  * Preset outside default folder, we can choose such only
 502                  * if we are out of the radio screen, so the check for the
 503                  * radio status isn't neccessary
 504                  */
 505                 else
 506                 {
 507                     radio_load_presets(buf);
 508                 }
 509                 rc = GO_TO_FM;
 510
 511                 break;
 512             case FILE_ATTR_FMS:
 513                 splash(0, ID2P(LANG_WAIT));
 514                 set_file(buf, (char *)global_settings.fms_file, MAX_FILENAME);
 515                 settings_apply_skins();
 516                 break;
 517 #ifdef HAVE_REMOTE_LCD
 518             case FILE_ATTR_RFMS:
 519                 splash(0, ID2P(LANG_WAIT));
 520                 set_file(buf, (char *)global_settings.rfms_file, MAX_FILENAME);
 521                 settings_apply_skins();
 522                 break;
 523 #endif
 524 #endif
 525
 526 #ifdef HAVE_LCD_BITMAP
 527             case FILE_ATTR_SBS:
 528                 splash(0, ID2P(LANG_WAIT));
 529                 set_file(buf, (char *)global_settings.sbs_file, MAX_FILENAME);
 530                 settings_apply_skins();
 531                 break;
 532 #endif
 533 #ifdef HAVE_REMOTE_LCD
 534             case FILE_ATTR_RSBS:
 535                 splash(0, ID2P(LANG_WAIT));
 536                 set_file(buf, (char *)global_settings.rsbs_file, MAX_FILENAME);
 537                 settings_apply_skins();
 538                 break;
 539 #endif
 540                 /* wps config file */
 541             case FILE_ATTR_WPS:
 542                 splash(0, ID2P(LANG_WAIT));
 543                 set_file(buf, (char *)global_settings.wps_file,
 544                          MAX_FILENAME);
 545                 settings_apply_skins();
 546                 break;
 547
 548 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 549                 /* remote-wps config file */
 550             case FILE_ATTR_RWPS:
 551                 splash(0, ID2P(LANG_WAIT));
 552                 set_file(buf, (char *)global_settings.rwps_file,
 553                          MAX_FILENAME);
 554                 settings_apply_skins();
 555                 break;
 556 #endif
 557
 558             case FILE_ATTR_CFG:
 559                 splash(0, ID2P(LANG_WAIT));
 560                 if (!settings_load_config(buf,true))
 561                     break;
 562                 splash(HZ, ID2P(LANG_SETTINGS_LOADED));
 563                 break;
 564
 565             case FILE_ATTR_BMARK:
 566                 splash(0, ID2P(LANG_WAIT));
 567                 bookmark_load(buf, false);
 568                 rc = GO_TO_FILEBROWSER;
 569                 break;
 570
 571             case FILE_ATTR_LNG:
 572                 splash(0, ID2P(LANG_WAIT));
 573                 if (lang_core_load(buf))
 574                 {
 575                     splash(HZ, ID2P(LANG_FAILED));
 576                     break;
 577                 }
 578                 set_file(buf, (char *)global_settings.lang_file,
 579                         MAX_FILENAME);
 580                 talk_init(); /* use voice of same language */
 581                 viewportmanager_theme_changed(THEME_LANGUAGE);
 582                 settings_apply_skins();
 583                 splash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 584                 break;
 585
 586 #ifdef HAVE_LCD_BITMAP
 587             case FILE_ATTR_FONT:
 588                 ft_load_font(buf);
 589                 break;
 590
 591             case FILE_ATTR_KBD:
 592                 splash(0, ID2P(LANG_WAIT));
 593                 if (!load_kbd(buf))
 594                     splash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 595                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 596                 break;
 597 #endif
 598
 599 #if (CONFIG_PLATFORM & PLATFORM_NATIVE)
 600                 /* firmware file */
 601             case FILE_ATTR_MOD:
 602                 splash(0, ID2P(LANG_WAIT));
 603                 audio_hard_stop();
 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, lua_path[MAX_PATH];
 613                 int ret;
 614
 615                 if ((file->attr & FILE_ATTR_MASK) == FILE_ATTR_LUA) {
 616                     snprintf(lua_path, sizeof(lua_path)-1, "%s/lua.rock", VIEWERS_DIR); /* Use a #define here ? */
 617                     plugin = lua_path;
 618                     argument = buf;
 619                 }
 620
 621                 if (global_settings.party_mode && audio_status()) {
 622                     splash(HZ, ID2P(LANG_PARTY_MODE));
 623                     break;
 624                 }
 625                 ret = plugin_load(plugin, argument);
 626                 switch (ret)
 627                 {
 628                     case PLUGIN_GOTO_WPS:
 629                         play = true;
 630                         break;
 631                     case PLUGIN_USB_CONNECTED:
 632                         if(*c->dirfilter > NUM_FILTER_MODES)
 633                             /* leave sub-browsers after usb, doing
 634                                otherwise might be confusing to the user */
 635                             rc = GO_TO_ROOT;
 636                         else
 637                             rc = GO_TO_FILEBROWSER;
 638                         break;
 639                     /*
 640                     case PLUGIN_ERROR:
 641                     case PLUGIN_OK:
 642                     */
 643                     default:
 644                         break;
 645                 }
 646                 break;
 647             }
 648             case FILE_ATTR_CUE:
 649                 display_cuesheet_content(buf);
 650                 break;
 651
 652             default:
 653             {
 654                 const char* plugin;
 655
 656                 if (global_settings.party_mode && audio_status()) {
 657                     splash(HZ, ID2P(LANG_PARTY_MODE));
 658                     break;
 659                 }
 660
 661                 plugin = filetype_get_plugin(file);
 662                 if (plugin)
 663                 {
 664                     switch (plugin_load(plugin,buf))
 665                     {
 666                         case PLUGIN_USB_CONNECTED:
 667                             rc = GO_TO_FILEBROWSER;
 668                             break;
 669                         case PLUGIN_GOTO_WPS:
 670                             rc = GO_TO_WPS;
 671                             break;
 672                         /*
 673                         case PLUGIN_OK:
 674                         case PLUGIN_ERROR:
 675                         */
 676                         default:
 677                             break;
 678                     }
 679                 }
 680                 break;
 681             }
 682         }
 683
 684         if ( play ) {
 685             /* the resume_index must always be the index in the
 686                shuffled list in case shuffle is enabled */
 687             global_status.resume_index = start_index;
 688             global_status.resume_offset = 0;
 689             status_save();
 690             rc = GO_TO_WPS;
 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                 rc = GO_TO_ROOT;
 699             }
 700         }
 701     }
 702     return rc;
 703 }
 704
 705 int ft_exit(struct tree_context* c)
 706 {
 707     extern char lastfile[]; /* from tree.c */
 708     char buf[MAX_PATH];
 709     int rc = 0;
 710     bool exit_func = false;
 711
 712     int i = strlen(c->currdir);
 713     if (i>1) {
 714         while (c->currdir[i-1]!='/')
 715             i--;
 716         strcpy(buf,&c->currdir[i]);
 717         if (i==1)
 718             c->currdir[i]=0;
 719         else
 720             c->currdir[i-1]=0;
 721
 722         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 723             exit_func = true;
 724
 725         c->dirlevel--;
 726         if ( c->dirlevel < MAX_DIR_LEVELS )
 727             c->selected_item=c->selected_item_history[c->dirlevel];
 728         else
 729             c->selected_item=0;
 730
 731         /* if undefined position */
 732         if (c->selected_item == -1)
 733             strcpy(lastfile, buf);
 734     }
 735     else
 736     {
 737         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 738             exit_func = true;
 739     }
 740
 741     if (exit_func)
 742         rc = 3;
 743
 744     return rc;
 745 }