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  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19 #include <stdlib.h>
  20 #include <file.h>
  21 #include <dir.h>
  22 #include <string.h>
  23 #include <kernel.h>
  24 #include <lcd.h>
  25 #include <debug.h>
  26 #include <font.h>
  27 #include <limits.h>
  28 #include "bookmark.h"
  29 #include "tree.h"
  30 #include "settings.h"
  31 #include "filetypes.h"
  32 #include "talk.h"
  33 #include "playlist.h"
  34 #include "gwps.h"
  35 #include "lang.h"
  36 #include "language.h"
  37 #include "screens.h"
  38 #include "plugin.h"
  39 #include "rolo.h"
  40 #include "sprintf.h"
  41 #include "dircache.h"
  42 #include "splash.h"
  43 #include "yesno.h"
  44 #include "cuesheet.h"
  45 #ifdef HAVE_LCD_BITMAP
  46 #include "keyboard.h"
  47 #endif
  48
  49 #if CONFIG_TUNER
  50 #include "radio.h"
  51 #endif
  52
  53 #ifndef SIMULATOR
  54 static int boot_size = 0;
  55 static int boot_cluster;
  56 #endif
  57
  58 #if LCD_DEPTH > 1
  59 #include "backdrop.h"
  60 #endif
  61
  62 extern bool boot_changed;
  63
  64 int ft_build_playlist(struct tree_context* c, int start_index)
  65 {
  66     int i;
  67     int start=start_index;
  68
  69     struct entry *dircache = c->dircache;
  70
  71     for(i = 0;i < c->filesindir;i++)
  72     {
  73         if((dircache[i].attr & TREE_ATTR_MASK) == TREE_ATTR_MPA)
  74         {
  75             DEBUGF("Adding %s\n", dircache[i].name);
  76             if (playlist_add(dircache[i].name) < 0)
  77                 break;
  78         }
  79         else
  80         {
  81             /* Adjust the start index when se skip non-MP3 entries */
  82             if(i < start)
  83                 start_index--;
  84         }
  85     }
  86
  87     return start_index;
  88 }
  89
  90 /* walk a directory and check all dircache entries if a .talk file exists */
  91 static void check_file_thumbnails(struct tree_context* c)
  92 {
  93     int i;
  94     struct dircache_entry *entry;
  95     struct entry* dircache = c->dircache;
  96     DIRCACHED *dir;
  97
  98     dir = opendir_cached(c->currdir);
  99     if(!dir)
 100         return;
 101     /* mark all files as non talking, except the .talk ones */
 102     for (i=0; i < c->filesindir; i++)
 103     {
 104         if (dircache[i].attr & ATTR_DIRECTORY)
 105             continue; /* we're not touching directories */
 106
 107         if (strcasecmp(file_thumbnail_ext,
 108             &dircache[i].name[strlen(dircache[i].name)
 109                               - strlen(file_thumbnail_ext)]))
 110         {   /* no .talk file */
 111             dircache[i].attr &= ~TREE_ATTR_THUMBNAIL; /* clear */
 112         }
 113         else
 114         {   /* .talk file, we later let them speak themselves */
 115             dircache[i].attr |= TREE_ATTR_THUMBNAIL; /* set */
 116         }
 117     }
 118
 119     while((entry = readdir_cached(dir)) != 0) /* walk directory */
 120     {
 121         int ext_pos;
 122
 123         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 124         if (ext_pos <= 0 /* too short to carry ".talk" */
 125             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 126             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 127         {   /* or doesn't end with ".talk", no candidate */
 128             continue;
 129         }
 130
 131         /* terminate the (disposable) name in dir buffer,
 132            this truncates off the ".talk" without needing an extra buffer */
 133         entry->d_name[ext_pos] = '\0';
 134
 135         /* search corresponding file in dir cache */
 136         for (i=0; i < c->filesindir; i++)
 137         {
 138             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 139             {   /* match */
 140                 dircache[i].attr |= TREE_ATTR_THUMBNAIL; /* set the flag */
 141                 break; /* exit search loop, because we found it */
 142             }
 143         }
 144     }
 145     closedir_cached(dir);
 146 }
 147
 148 /* support function for qsort() */
 149 static int compare(const void* p1, const void* p2)
 150 {
 151     struct entry* e1 = (struct entry*)p1;
 152     struct entry* e2 = (struct entry*)p2;
 153     int criteria;
 154
 155     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 156     {   /* two directories */
 157         criteria = global_settings.sort_dir;
 158
 159         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 160         {   /* a volume identifier is involved */
 161             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 162                 criteria = 0; /* two volumes: sort alphabetically */
 163             else /* only one is a volume: volume first */
 164                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 165         }
 166     }
 167     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 168     {   /* two files */
 169         criteria = global_settings.sort_file;
 170     }
 171     else /* dir and file, dir goes first */
 172         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 173
 174     switch(criteria)
 175     {
 176         case 3: /* sort type */
 177         {
 178             int t1 = e1->attr & TREE_ATTR_MASK;
 179             int t2 = e2->attr & TREE_ATTR_MASK;
 180
 181             if (!t1) /* unknown type */
 182                 t1 = INT_MAX; /* gets a high number, to sort after known */
 183             if (!t2) /* unknown type */
 184                 t2 = INT_MAX; /* gets a high number, to sort after known */
 185
 186             if (t1 - t2) /* if different */
 187                 return t1 - t2;
 188             /* else fall through to alphabetical sorting */
 189         }
 190         case 0: /* sort alphabetically asc */
 191             if (global_settings.sort_case)
 192                 return strncmp(e1->name, e2->name, MAX_PATH);
 193             else
 194                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 195
 196         case 4: /* sort alphabetically desc */
 197             if (global_settings.sort_case)
 198                 return strncmp(e2->name, e1->name, MAX_PATH);
 199             else
 200                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 201
 202         case 1: /* sort date */
 203             return e1->time_write - e2->time_write;
 204
 205         case 2: /* sort date, newest first */
 206             return e2->time_write - e1->time_write;
 207     }
 208     return 0; /* never reached */
 209 }
 210
 211 /* load and sort directory into dircache. returns NULL on failure. */
 212 int ft_load(struct tree_context* c, const char* tempdir)
 213 {
 214     int i;
 215     int name_buffer_used = 0;
 216     DIRCACHED *dir;
 217
 218     if (tempdir)
 219         dir = opendir_cached(tempdir);
 220     else
 221         dir = opendir_cached(c->currdir);
 222     if(!dir)
 223         return -1; /* not a directory */
 224
 225     c->dirsindir = 0;
 226     c->dirfull = false;
 227
 228     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 229         int len;
 230         struct dircache_entry *entry = readdir_cached(dir);
 231         struct entry* dptr =
 232             (struct entry*)(c->dircache + i * sizeof(struct entry));
 233         if (!entry)
 234             break;
 235
 236         len = strlen((char *)entry->d_name);
 237
 238         /* skip directories . and .. */
 239         if ((entry->attribute & ATTR_DIRECTORY) &&
 240             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 241              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 242             i--;
 243             continue;
 244         }
 245
 246         /* Skip FAT volume ID */
 247         if (entry->attribute & ATTR_VOLUME_ID) {
 248             i--;
 249             continue;
 250         }
 251
 252         /* filter out dotfiles and hidden files */
 253         if (*c->dirfilter != SHOW_ALL &&
 254             ((entry->d_name[0]=='.') ||
 255             (entry->attribute & ATTR_HIDDEN))) {
 256             i--;
 257             continue;
 258         }
 259
 260         dptr->attr = entry->attribute;
 261
 262         /* check for known file types */
 263         if ( !(dptr->attr & ATTR_DIRECTORY) )
 264             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 265
 266 #ifdef BOOTFILE
 267         /* memorize/compare details about the boot file */
 268         if ((c->currdir[1] == 0) && !strcasecmp(entry->d_name, BOOTFILE)) {
 269             if (boot_size) {
 270                 if ((entry->size != boot_size) ||
 271                     (entry->startcluster != boot_cluster))
 272                     boot_changed = true;
 273             }
 274             boot_size = entry->size;
 275             boot_cluster = entry->startcluster;
 276         }
 277 #endif
 278
 279         /* filter out non-visible files */
 280         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 281             (*c->dirfilter == SHOW_PLAYLIST &&
 282              (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_M3U) ||
 283             ((*c->dirfilter == SHOW_MUSIC &&
 284              (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_MPA) &&
 285              (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_M3U) ||
 286             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 287             (*c->dirfilter == SHOW_WPS && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_WPS) ||
 288 #ifdef HAVE_REMOTE_LCD
 289             (*c->dirfilter == SHOW_RWPS && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_RWPS) ||
 290 #endif
 291 #if CONFIG_TUNER
 292             (*c->dirfilter == SHOW_FMR && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_FMR) ||
 293 #endif
 294             (*c->dirfilter == SHOW_CFG && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_CFG) ||
 295             (*c->dirfilter == SHOW_LNG && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_LNG) ||
 296             (*c->dirfilter == SHOW_MOD && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_MOD) ||
 297             (*c->dirfilter == SHOW_FONT && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_FONT) ||
 298             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & TREE_ATTR_MASK) != TREE_ATTR_ROCK))
 299         {
 300             i--;
 301             continue;
 302         }
 303
 304         if (len > c->name_buffer_size - name_buffer_used - 1) {
 305             /* Tell the world that we ran out of buffer space */
 306             c->dirfull = true;
 307             break;
 308         }
 309         dptr->name = &c->name_buffer[name_buffer_used];
 310         dptr->time_write =
 311             (long)entry->wrtdate<<16 |
 312             (long)entry->wrttime; /* in one # */
 313         strcpy(dptr->name, (char *)entry->d_name);
 314         name_buffer_used += len + 1;
 315
 316         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 317             c->dirsindir++;
 318     }
 319     c->filesindir = i;
 320     c->dirlength = i;
 321     closedir_cached(dir);
 322
 323     qsort(c->dircache,i,sizeof(struct entry),compare);
 324
 325     /* If thumbnail talking is enabled, make an extra run to mark files with
 326        associated thumbnails, so we don't do unsuccessful spinups later. */
 327     if (global_settings.talk_file == 3)
 328         check_file_thumbnails(c); /* map .talk to ours */
 329
 330     return 0;
 331 }
 332
 333 int ft_enter(struct tree_context* c)
 334 {
 335     int rc = 0;
 336     char buf[MAX_PATH];
 337     struct entry *dircache = c->dircache;
 338     struct entry* file = &dircache[c->selected_item];
 339     bool reload_dir = false;
 340     bool start_wps = false;
 341     bool exit_func = false;
 342
 343     if (c->currdir[1])
 344         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 345     else
 346         snprintf(buf,sizeof(buf),"/%s",file->name);
 347
 348     if (file->attr & ATTR_DIRECTORY) {
 349         memcpy(c->currdir, buf, sizeof(c->currdir));
 350         if ( c->dirlevel < MAX_DIR_LEVELS )
 351             c->selected_item_history[c->dirlevel] = c->selected_item;
 352         c->dirlevel++;
 353         c->selected_item=0;
 354     }
 355     else {
 356         int seed = current_tick;
 357         bool play = false;
 358         int start_index=0;
 359
 360         switch ( file->attr & TREE_ATTR_MASK ) {
 361             case TREE_ATTR_M3U:
 362                 if (global_settings.party_mode) {
 363                     gui_syncsplash(HZ, true, str(LANG_PARTY_MODE));
 364                     break;
 365                 }
 366
 367                 if (bookmark_autoload(buf))
 368                     break;
 369
 370                 gui_syncsplash(0, true, str(LANG_WAIT));
 371
 372                 /* about to create a new current playlist...
 373                    allow user to cancel the operation */
 374                 if (global_settings.warnon_erase_dynplaylist &&
 375                     playlist_modified(NULL))
 376                 {
 377                     char *lines[]={str(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 378                     struct text_message message={lines, 1};
 379
 380                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 381                         break;
 382                 }
 383
 384                 if (playlist_create(c->currdir, file->name) != -1)
 385                 {
 386                     if (global_settings.playlist_shuffle)
 387                         playlist_shuffle(seed, -1);
 388                     start_index = 0;
 389                     playlist_start(start_index,0);
 390                     play = true;
 391                 }
 392                 break;
 393
 394             case TREE_ATTR_MPA:
 395                 if (bookmark_autoload(c->currdir))
 396                     break;
 397
 398                 gui_syncsplash(0, true, str(LANG_WAIT));
 399
 400                 /* about to create a new current playlist...
 401                    allow user to cancel the operation */
 402                 if (global_settings.warnon_erase_dynplaylist &&
 403                     !global_settings.party_mode &&
 404                     playlist_modified(NULL))
 405                 {
 406                     char *lines[]={str(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 407                     struct text_message message={lines, 1};
 408
 409                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 410                         break;
 411                 }
 412
 413                 if (global_settings.party_mode)
 414                 {
 415                     playlist_insert_track(NULL, buf,
 416                                           PLAYLIST_INSERT_LAST, true, true);
 417                     gui_syncsplash(HZ, true, str(LANG_QUEUE_LAST));
 418                 }
 419                 else if (playlist_create(c->currdir, NULL) != -1)
 420                 {
 421                     start_index = ft_build_playlist(c, c->selected_item);
 422                     if (global_settings.playlist_shuffle)
 423                     {
 424                         start_index = playlist_shuffle(seed, start_index);
 425
 426                         /* when shuffling dir.: play all files
 427                            even if the file selected by user is
 428                            not the first one */
 429                         if (!global_settings.play_selected)
 430                             start_index = 0;
 431                     }
 432
 433                     playlist_start(start_index, 0);
 434                     play = true;
 435                 }
 436                 break;
 437
 438 #if CONFIG_TUNER
 439                 /* fmr preset file */
 440             case TREE_ATTR_FMR:
 441
 442                 gui_syncsplash(0, true, str(LANG_WAIT));
 443
 444                 /* Preset inside the default folder. */
 445                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 446                 {
 447                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 448                     radio_load_presets(global_settings.fmr_file);
 449                     if(!in_radio_screen())
 450                         radio_screen();
 451                 }
 452                 /*
 453                  * Preset outside default folder, we can choose such only
 454                  * if we are out of the radio screen, so the check for the
 455                  * radio status isn't neccessary
 456                  */
 457                 else
 458                 {
 459                     radio_load_presets(buf);
 460                     radio_screen();
 461                 }
 462
 463                 break;
 464 #endif
 465
 466
 467                 /* wps config file */
 468             case TREE_ATTR_WPS:
 469                 gui_syncsplash(0, true, str(LANG_WAIT));
 470 #if LCD_DEPTH > 1
 471                 unload_wps_backdrop();
 472 #endif
 473                 wps_data_load(gui_wps[0].data, buf, true);
 474                 set_file(buf, (char *)global_settings.wps_file,
 475                          MAX_FILENAME);
 476                 break;
 477
 478 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 479                 /* remote-wps config file */
 480             case TREE_ATTR_RWPS:
 481                 gui_syncsplash(0, true, str(LANG_WAIT));
 482                 wps_data_load(gui_wps[1].data, buf, true);
 483                 set_file(buf, (char *)global_settings.rwps_file,
 484                          MAX_FILENAME);
 485                 break;
 486 #endif
 487
 488             case TREE_ATTR_CFG:
 489                 gui_syncsplash(0, true, str(LANG_WAIT));
 490                 if (!settings_load_config(buf,true))
 491                     break;
 492                 gui_syncsplash(HZ, true, str(LANG_SETTINGS_LOADED));
 493                 break;
 494
 495             case TREE_ATTR_BMARK:
 496                 gui_syncsplash(0, true, str(LANG_WAIT));
 497                 bookmark_load(buf, false);
 498                 reload_dir = true;
 499                 break;
 500
 501             case TREE_ATTR_LNG:
 502                 gui_syncsplash(0, true, str(LANG_WAIT));
 503                 if(!lang_load(buf)) {
 504                     set_file(buf, (char *)global_settings.lang_file,
 505                              MAX_FILENAME);
 506                     talk_init(); /* use voice of same language */
 507                     gui_syncsplash(HZ, true, str(LANG_LANGUAGE_LOADED));
 508                 }
 509                 break;
 510
 511 #ifdef HAVE_LCD_BITMAP
 512             case TREE_ATTR_FONT:
 513                 gui_syncsplash(0, true, str(LANG_WAIT));
 514                 font_load(buf);
 515                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 516                 break;
 517
 518             case TREE_ATTR_KBD:
 519                 gui_syncsplash(0, true, str(LANG_WAIT));
 520                 if (!load_kbd(buf))
 521                     gui_syncsplash(HZ, true, str(LANG_KEYBOARD_LOADED));
 522                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 523                 break;
 524 #endif
 525
 526 #ifndef SIMULATOR
 527                 /* firmware file */
 528             case TREE_ATTR_MOD:
 529                 gui_syncsplash(0, true, str(LANG_WAIT));
 530                 rolo_load(buf);
 531                 break;
 532 #endif
 533
 534                 /* plugin file */
 535             case TREE_ATTR_ROCK:
 536                 if (global_settings.party_mode) {
 537                     gui_syncsplash(HZ, true, str(LANG_PARTY_MODE));
 538                     break;
 539                 }
 540
 541                 gui_syncsplash(0, true, str(LANG_WAIT));
 542
 543                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 544                 {
 545                     if(*c->dirfilter > NUM_FILTER_MODES)
 546                         /* leave sub-browsers after usb, doing
 547                            otherwise might be confusing to the user */
 548                         exit_func = true;
 549                     else
 550                         reload_dir = true;
 551                 }
 552                 break;
 553
 554             case TREE_ATTR_CUE:
 555                 display_cuesheet_content(buf);
 556                 break;
 557
 558             default:
 559             {
 560                 char* plugin;
 561
 562                 if (global_settings.party_mode) {
 563                     gui_syncsplash(HZ, true, str(LANG_PARTY_MODE));
 564                     break;
 565                 }
 566
 567                 plugin = filetype_get_plugin(file);
 568                 if (plugin)
 569                 {
 570                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 571                         reload_dir = true;
 572                 }
 573                 break;
 574             }
 575         }
 576
 577         if ( play ) {
 578             /* the resume_index must always be the index in the
 579                shuffled list in case shuffle is enabled */
 580             global_status.resume_index = start_index;
 581             global_status.resume_offset = 0;
 582             status_save();
 583
 584             start_wps = true;
 585         }
 586         else {
 587             if (*c->dirfilter > NUM_FILTER_MODES &&
 588                 *c->dirfilter != SHOW_FONT &&
 589                 *c->dirfilter != SHOW_PLUGINS)
 590             {
 591                 exit_func = true;
 592             }
 593         }
 594     }
 595
 596     if (reload_dir)
 597         rc = 1;
 598     if (start_wps)
 599         rc = 2;
 600     if (exit_func)
 601         rc = 3;
 602
 603     return rc;
 604 }
 605
 606 int ft_exit(struct tree_context* c)
 607 {
 608     extern char lastfile[]; /* from tree.c */
 609     char buf[MAX_PATH];
 610     int rc = 0;
 611     bool exit_func = false;
 612
 613     int i = strlen(c->currdir);
 614     if (i>1) {
 615         while (c->currdir[i-1]!='/')
 616             i--;
 617         strcpy(buf,&c->currdir[i]);
 618         if (i==1)
 619             c->currdir[i]=0;
 620         else
 621             c->currdir[i-1]=0;
 622
 623         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 624             exit_func = true;
 625
 626         c->dirlevel--;
 627         if ( c->dirlevel < MAX_DIR_LEVELS )
 628             c->selected_item=c->selected_item_history[c->dirlevel];
 629         else
 630             c->selected_item=0;
 631
 632         /* if undefined position */
 633         if (c->selected_item == -1)
 634             strcpy(lastfile, buf);
 635     }
 636     else
 637     {
 638         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 639             exit_func = true;
 640     }
 641
 642     if (exit_func)
 643         rc = 3;
 644
 645     return rc;
 646 }