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 "splash.h"
  42 #include "yesno.h"
  43 #include "cuesheet.h"
  44 #ifdef HAVE_LCD_BITMAP
  45 #include "keyboard.h"
  46 #endif
  47
  48 #if CONFIG_TUNER
  49 #include "radio.h"
  50 #endif
  51
  52 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  53 #include "backdrop.h"
  54 #endif
  55
  56 int ft_build_playlist(struct tree_context* c, int start_index)
  57 {
  58     int i;
  59     int start=start_index;
  60
  61     struct entry *dircache = c->dircache;
  62
  63     for(i = 0;i < c->filesindir;i++)
  64     {
  65         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  66         {
  67             DEBUGF("Adding %s\n", dircache[i].name);
  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 /* walk a directory and check all dircache entries if a .talk file exists */
  83 static void check_file_thumbnails(struct tree_context* c)
  84 {
  85     int i;
  86     struct dirent *entry;
  87     struct entry* dircache = c->dircache;
  88     DIR *dir;
  89
  90     dir = opendir(c->currdir);
  91     if(!dir)
  92         return;
  93     /* mark all files as non talking, except the .talk ones */
  94     for (i=0; i < c->filesindir; i++)
  95     {
  96         if (dircache[i].attr & ATTR_DIRECTORY)
  97             continue; /* we're not touching directories */
  98
  99         if (strcasecmp(file_thumbnail_ext,
 100             &dircache[i].name[strlen(dircache[i].name)
 101                               - strlen(file_thumbnail_ext)]))
 102         {   /* no .talk file */
 103             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 104         }
 105         else
 106         {   /* .talk file, we later let them speak themselves */
 107             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 108         }
 109     }
 110
 111     while((entry = readdir(dir)) != 0) /* walk directory */
 112     {
 113         int ext_pos;
 114
 115         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 116         if (ext_pos <= 0 /* too short to carry ".talk" */
 117             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 118             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 119         {   /* or doesn't end with ".talk", no candidate */
 120             continue;
 121         }
 122
 123         /* terminate the (disposable) name in dir buffer,
 124            this truncates off the ".talk" without needing an extra buffer */
 125         entry->d_name[ext_pos] = '\0';
 126
 127         /* search corresponding file in dir cache */
 128         for (i=0; i < c->filesindir; i++)
 129         {
 130             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 131             {   /* match */
 132                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 133                 break; /* exit search loop, because we found it */
 134             }
 135         }
 136     }
 137     closedir(dir);
 138 }
 139
 140 /* support function for qsort() */
 141 static int compare(const void* p1, const void* p2)
 142 {
 143     struct entry* e1 = (struct entry*)p1;
 144     struct entry* e2 = (struct entry*)p2;
 145     int criteria;
 146
 147     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 148     {   /* two directories */
 149         criteria = global_settings.sort_dir;
 150
 151 #ifdef HAVE_MULTIVOLUME
 152         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 153         {   /* a volume identifier is involved */
 154             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 155                 criteria = 0; /* two volumes: sort alphabetically */
 156             else /* only one is a volume: volume first */
 157                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 158         }
 159 #endif
 160
 161     }
 162     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 163     {   /* two files */
 164         criteria = global_settings.sort_file;
 165     }
 166     else /* dir and file, dir goes first */
 167         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 168
 169     switch(criteria)
 170     {
 171         case 3: /* sort type */
 172         {
 173             int t1 = e1->attr & FILE_ATTR_MASK;
 174             int t2 = e2->attr & FILE_ATTR_MASK;
 175
 176             if (!t1) /* unknown type */
 177                 t1 = INT_MAX; /* gets a high number, to sort after known */
 178             if (!t2) /* unknown type */
 179                 t2 = INT_MAX; /* gets a high number, to sort after known */
 180
 181             if (t1 - t2) /* if different */
 182                 return t1 - t2;
 183             /* else fall through to alphabetical sorting */
 184         }
 185         case 0: /* sort alphabetically asc */
 186             if (global_settings.sort_case)
 187                 return strncmp(e1->name, e2->name, MAX_PATH);
 188             else
 189                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 190
 191         case 4: /* sort alphabetically desc */
 192             if (global_settings.sort_case)
 193                 return strncmp(e2->name, e1->name, MAX_PATH);
 194             else
 195                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 196
 197         case 1: /* sort date */
 198             return e1->time_write - e2->time_write;
 199
 200         case 2: /* sort date, newest first */
 201             return e2->time_write - e1->time_write;
 202     }
 203     return 0; /* never reached */
 204 }
 205
 206 /* load and sort directory into dircache. returns NULL on failure. */
 207 int ft_load(struct tree_context* c, const char* tempdir)
 208 {
 209     int i;
 210     int name_buffer_used = 0;
 211     DIR *dir;
 212
 213     if (tempdir)
 214         dir = opendir(tempdir);
 215     else
 216         dir = opendir(c->currdir);
 217     if(!dir)
 218         return -1; /* not a directory */
 219
 220     c->dirsindir = 0;
 221     c->dirfull = false;
 222
 223     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 224         int len;
 225         struct dirent *entry = readdir(dir);
 226         struct entry* dptr =
 227             (struct entry*)(c->dircache + i * sizeof(struct entry));
 228         if (!entry)
 229             break;
 230
 231         len = strlen((char *)entry->d_name);
 232
 233         /* skip directories . and .. */
 234         if ((entry->attribute & ATTR_DIRECTORY) &&
 235             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 236              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 237             i--;
 238             continue;
 239         }
 240
 241         /* Skip FAT volume ID */
 242         if (entry->attribute & ATTR_VOLUME_ID) {
 243             i--;
 244             continue;
 245         }
 246
 247         /* filter out dotfiles and hidden files */
 248         if (*c->dirfilter != SHOW_ALL &&
 249             ((entry->d_name[0]=='.') ||
 250             (entry->attribute & ATTR_HIDDEN))) {
 251             i--;
 252             continue;
 253         }
 254
 255         dptr->attr = entry->attribute;
 256
 257         /* check for known file types */
 258         if ( !(dptr->attr & ATTR_DIRECTORY) )
 259             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 260
 261         /* filter out non-visible files */
 262         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 263             (*c->dirfilter == SHOW_PLAYLIST &&
 264              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 265             ((*c->dirfilter == SHOW_MUSIC &&
 266              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 267              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 268             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 269             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 270 #ifdef HAVE_REMOTE_LCD
 271             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 272 #endif
 273 #if CONFIG_TUNER
 274             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 275 #endif
 276             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 277             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 278             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 279             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 280             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 281         {
 282             i--;
 283             continue;
 284         }
 285
 286         if (len > c->name_buffer_size - name_buffer_used - 1) {
 287             /* Tell the world that we ran out of buffer space */
 288             c->dirfull = true;
 289             break;
 290         }
 291         dptr->name = &c->name_buffer[name_buffer_used];
 292         dptr->time_write =
 293             (long)entry->wrtdate<<16 |
 294             (long)entry->wrttime; /* in one # */
 295         strcpy(dptr->name, (char *)entry->d_name);
 296         name_buffer_used += len + 1;
 297
 298         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 299             c->dirsindir++;
 300     }
 301     c->filesindir = i;
 302     c->dirlength = i;
 303     closedir(dir);
 304
 305     qsort(c->dircache,i,sizeof(struct entry),compare);
 306
 307     /* If thumbnail talking is enabled, make an extra run to mark files with
 308        associated thumbnails, so we don't do unsuccessful spinups later. */
 309     if (global_settings.talk_file_clip)
 310         check_file_thumbnails(c); /* map .talk to ours */
 311
 312     return 0;
 313 }
 314
 315 int ft_enter(struct tree_context* c)
 316 {
 317     int rc = 0;
 318     char buf[MAX_PATH];
 319     struct entry *dircache = c->dircache;
 320     struct entry* file = &dircache[c->selected_item];
 321     bool reload_dir = false;
 322     bool start_wps = false;
 323     bool exit_func = false;
 324
 325     if (c->currdir[1])
 326         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 327     else
 328         snprintf(buf,sizeof(buf),"/%s",file->name);
 329
 330     if (file->attr & ATTR_DIRECTORY) {
 331         memcpy(c->currdir, buf, sizeof(c->currdir));
 332         if ( c->dirlevel < MAX_DIR_LEVELS )
 333             c->selected_item_history[c->dirlevel] = c->selected_item;
 334         c->dirlevel++;
 335         c->selected_item=0;
 336     }
 337     else {
 338         int seed = current_tick;
 339         bool play = false;
 340         int start_index=0;
 341
 342         switch ( file->attr & FILE_ATTR_MASK ) {
 343             case FILE_ATTR_M3U:
 344                 if (global_settings.party_mode) {
 345                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 346                     break;
 347                 }
 348
 349                 if (bookmark_autoload(buf))
 350                     break;
 351
 352                 gui_syncsplash(0, ID2P(LANG_WAIT));
 353
 354                 /* about to create a new current playlist...
 355                    allow user to cancel the operation */
 356                 if (global_settings.warnon_erase_dynplaylist &&
 357                     playlist_modified(NULL))
 358                 {
 359                     char *lines[]={ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 360                     struct text_message message={lines, 1};
 361
 362                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 363                         break;
 364                 }
 365
 366                 if (playlist_create(c->currdir, file->name) != -1)
 367                 {
 368                     if (global_settings.playlist_shuffle)
 369                         playlist_shuffle(seed, -1);
 370                     start_index = 0;
 371                     playlist_start(start_index,0);
 372                     play = true;
 373                 }
 374                 break;
 375
 376             case FILE_ATTR_AUDIO:
 377                 if (bookmark_autoload(c->currdir))
 378                     break;
 379
 380                 gui_syncsplash(0, ID2P(LANG_WAIT));
 381
 382                 /* about to create a new current playlist...
 383                    allow user to cancel the operation */
 384                 if (global_settings.warnon_erase_dynplaylist &&
 385                     !global_settings.party_mode &&
 386                     playlist_modified(NULL))
 387                 {
 388                     char *lines[]={ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 389                     struct text_message message={lines, 1};
 390
 391                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 392                         break;
 393                 }
 394
 395                 if (global_settings.party_mode)
 396                 {
 397                     playlist_insert_track(NULL, buf,
 398                                           PLAYLIST_INSERT_LAST, true, true);
 399                     gui_syncsplash(HZ, ID2P(LANG_QUEUE_LAST));
 400                 }
 401                 else if (playlist_create(c->currdir, NULL) != -1)
 402                 {
 403                     start_index = ft_build_playlist(c, c->selected_item);
 404                     if (global_settings.playlist_shuffle)
 405                     {
 406                         start_index = playlist_shuffle(seed, start_index);
 407
 408                         /* when shuffling dir.: play all files
 409                            even if the file selected by user is
 410                            not the first one */
 411                         if (!global_settings.play_selected)
 412                             start_index = 0;
 413                     }
 414
 415                     playlist_start(start_index, 0);
 416                     play = true;
 417                 }
 418                 break;
 419
 420 #if CONFIG_TUNER
 421                 /* fmr preset file */
 422             case FILE_ATTR_FMR:
 423
 424                 gui_syncsplash(0, ID2P(LANG_WAIT));
 425
 426                 /* Preset inside the default folder. */
 427                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 428                 {
 429                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 430                     radio_load_presets(global_settings.fmr_file);
 431                     if(!in_radio_screen())
 432                         radio_screen();
 433                 }
 434                 /*
 435                  * Preset outside default folder, we can choose such only
 436                  * if we are out of the radio screen, so the check for the
 437                  * radio status isn't neccessary
 438                  */
 439                 else
 440                 {
 441                     radio_load_presets(buf);
 442                     radio_screen();
 443                 }
 444
 445                 break;
 446 #endif
 447
 448
 449                 /* wps config file */
 450             case FILE_ATTR_WPS:
 451                 gui_syncsplash(0, ID2P(LANG_WAIT));
 452 #if LCD_DEPTH > 1
 453                 unload_wps_backdrop();
 454 #endif
 455                 wps_data_load(gui_wps[0].data, buf, true);
 456                 set_file(buf, (char *)global_settings.wps_file,
 457                          MAX_FILENAME);
 458                 break;
 459
 460 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 461                 /* remote-wps config file */
 462             case FILE_ATTR_RWPS:
 463                 gui_syncsplash(0, ID2P(LANG_WAIT));
 464 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 465                 unload_remote_wps_backdrop();
 466 #endif
 467                 wps_data_load(gui_wps[1].data, buf, true);
 468                 set_file(buf, (char *)global_settings.rwps_file,
 469                          MAX_FILENAME);
 470                 break;
 471 #endif
 472
 473             case FILE_ATTR_CFG:
 474                 gui_syncsplash(0, ID2P(LANG_WAIT));
 475                 if (!settings_load_config(buf,true))
 476                     break;
 477                 gui_syncsplash(HZ, ID2P(LANG_SETTINGS_LOADED));
 478                 break;
 479
 480             case FILE_ATTR_BMARK:
 481                 gui_syncsplash(0, ID2P(LANG_WAIT));
 482                 bookmark_load(buf, false);
 483                 reload_dir = true;
 484                 break;
 485
 486             case FILE_ATTR_LNG:
 487                 gui_syncsplash(0, ID2P(LANG_WAIT));
 488                 if(!lang_load(buf)) {
 489                     set_file(buf, (char *)global_settings.lang_file,
 490                              MAX_FILENAME);
 491                     talk_init(); /* use voice of same language */
 492                     gui_syncsplash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 493                 }
 494                 break;
 495
 496 #ifdef HAVE_LCD_BITMAP
 497             case FILE_ATTR_FONT:
 498                 gui_syncsplash(0, ID2P(LANG_WAIT));
 499                 font_load(buf);
 500                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 501                 break;
 502
 503             case FILE_ATTR_KBD:
 504                 gui_syncsplash(0, ID2P(LANG_WAIT));
 505                 if (!load_kbd(buf))
 506                     gui_syncsplash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 507                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 508                 break;
 509 #endif
 510
 511 #ifndef SIMULATOR
 512                 /* firmware file */
 513             case FILE_ATTR_MOD:
 514                 gui_syncsplash(0, ID2P(LANG_WAIT));
 515                 rolo_load(buf);
 516                 break;
 517 #endif
 518
 519                 /* plugin file */
 520             case FILE_ATTR_ROCK:
 521                 if (global_settings.party_mode) {
 522                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 523                     break;
 524                 }
 525
 526                 gui_syncsplash(0, ID2P(LANG_WAIT));
 527
 528                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 529                 {
 530                     if(*c->dirfilter > NUM_FILTER_MODES)
 531                         /* leave sub-browsers after usb, doing
 532                            otherwise might be confusing to the user */
 533                         exit_func = true;
 534                     else
 535                         reload_dir = true;
 536                 }
 537                 break;
 538
 539             case FILE_ATTR_CUE:
 540                 display_cuesheet_content(buf);
 541                 break;
 542
 543             default:
 544             {
 545                 char* plugin;
 546
 547                 if (global_settings.party_mode) {
 548                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 549                     break;
 550                 }
 551
 552                 plugin = filetype_get_plugin(file);
 553                 if (plugin)
 554                 {
 555                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 556                         reload_dir = true;
 557                 }
 558                 break;
 559             }
 560         }
 561
 562         if ( play ) {
 563             /* the resume_index must always be the index in the
 564                shuffled list in case shuffle is enabled */
 565             global_status.resume_index = start_index;
 566             global_status.resume_offset = 0;
 567             status_save();
 568
 569             start_wps = true;
 570         }
 571         else {
 572             if (*c->dirfilter > NUM_FILTER_MODES &&
 573                 *c->dirfilter != SHOW_FONT &&
 574                 *c->dirfilter != SHOW_PLUGINS)
 575             {
 576                 exit_func = true;
 577             }
 578         }
 579     }
 580
 581     if (reload_dir)
 582         rc = 1;
 583     if (start_wps)
 584         rc = 2;
 585     if (exit_func)
 586         rc = 3;
 587
 588     return rc;
 589 }
 590
 591 int ft_exit(struct tree_context* c)
 592 {
 593     extern char lastfile[]; /* from tree.c */
 594     char buf[MAX_PATH];
 595     int rc = 0;
 596     bool exit_func = false;
 597
 598     int i = strlen(c->currdir);
 599     if (i>1) {
 600         while (c->currdir[i-1]!='/')
 601             i--;
 602         strcpy(buf,&c->currdir[i]);
 603         if (i==1)
 604             c->currdir[i]=0;
 605         else
 606             c->currdir[i-1]=0;
 607
 608         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 609             exit_func = true;
 610
 611         c->dirlevel--;
 612         if ( c->dirlevel < MAX_DIR_LEVELS )
 613             c->selected_item=c->selected_item_history[c->dirlevel];
 614         else
 615             c->selected_item=0;
 616
 617         /* if undefined position */
 618         if (c->selected_item == -1)
 619             strcpy(lastfile, buf);
 620     }
 621     else
 622     {
 623         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 624             exit_func = true;
 625     }
 626
 627     if (exit_func)
 628         rc = 3;
 629
 630     return rc;
 631 }