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 #if (LCD_DEPTH > 1) || (defined(HAVE_LCD_REMOTE) && (LCD_REMOTE_DEPTH > 1))
  54 #include "backdrop.h"
  55 #endif
  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             DEBUGF("Adding %s\n", dircache[i].name);
  69             if (playlist_add(dircache[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 /* walk a directory and check all dircache entries if a .talk file exists */
  84 static void check_file_thumbnails(struct tree_context* c)
  85 {
  86     int i;
  87     struct dircache_entry *entry;
  88     struct entry* dircache = c->dircache;
  89     DIRCACHED *dir;
  90
  91     dir = opendir_cached(c->currdir);
  92     if(!dir)
  93         return;
  94     /* mark all files as non talking, except the .talk ones */
  95     for (i=0; i < c->filesindir; i++)
  96     {
  97         if (dircache[i].attr & ATTR_DIRECTORY)
  98             continue; /* we're not touching directories */
  99
 100         if (strcasecmp(file_thumbnail_ext,
 101             &dircache[i].name[strlen(dircache[i].name)
 102                               - strlen(file_thumbnail_ext)]))
 103         {   /* no .talk file */
 104             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 105         }
 106         else
 107         {   /* .talk file, we later let them speak themselves */
 108             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 109         }
 110     }
 111
 112     while((entry = readdir_cached(dir)) != 0) /* walk directory */
 113     {
 114         int ext_pos;
 115
 116         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 117         if (ext_pos <= 0 /* too short to carry ".talk" */
 118             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 119             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 120         {   /* or doesn't end with ".talk", no candidate */
 121             continue;
 122         }
 123
 124         /* terminate the (disposable) name in dir buffer,
 125            this truncates off the ".talk" without needing an extra buffer */
 126         entry->d_name[ext_pos] = '\0';
 127
 128         /* search corresponding file in dir cache */
 129         for (i=0; i < c->filesindir; i++)
 130         {
 131             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 132             {   /* match */
 133                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 134                 break; /* exit search loop, because we found it */
 135             }
 136         }
 137     }
 138     closedir_cached(dir);
 139 }
 140
 141 /* support function for qsort() */
 142 static int compare(const void* p1, const void* p2)
 143 {
 144     struct entry* e1 = (struct entry*)p1;
 145     struct entry* e2 = (struct entry*)p2;
 146     int criteria;
 147
 148     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 149     {   /* two directories */
 150         criteria = global_settings.sort_dir;
 151
 152 #ifdef HAVE_MULTIVOLUME
 153         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 154         {   /* a volume identifier is involved */
 155             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 156                 criteria = 0; /* two volumes: sort alphabetically */
 157             else /* only one is a volume: volume first */
 158                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 159         }
 160 #endif
 161
 162     }
 163     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 164     {   /* two files */
 165         criteria = global_settings.sort_file;
 166     }
 167     else /* dir and file, dir goes first */
 168         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 169
 170     switch(criteria)
 171     {
 172         case 3: /* sort type */
 173         {
 174             int t1 = e1->attr & FILE_ATTR_MASK;
 175             int t2 = e2->attr & FILE_ATTR_MASK;
 176
 177             if (!t1) /* unknown type */
 178                 t1 = INT_MAX; /* gets a high number, to sort after known */
 179             if (!t2) /* unknown type */
 180                 t2 = INT_MAX; /* gets a high number, to sort after known */
 181
 182             if (t1 - t2) /* if different */
 183                 return t1 - t2;
 184             /* else fall through to alphabetical sorting */
 185         }
 186         case 0: /* sort alphabetically asc */
 187             if (global_settings.sort_case)
 188                 return strncmp(e1->name, e2->name, MAX_PATH);
 189             else
 190                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 191
 192         case 4: /* sort alphabetically desc */
 193             if (global_settings.sort_case)
 194                 return strncmp(e2->name, e1->name, MAX_PATH);
 195             else
 196                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 197
 198         case 1: /* sort date */
 199             return e1->time_write - e2->time_write;
 200
 201         case 2: /* sort date, newest first */
 202             return e2->time_write - e1->time_write;
 203     }
 204     return 0; /* never reached */
 205 }
 206
 207 /* load and sort directory into dircache. returns NULL on failure. */
 208 int ft_load(struct tree_context* c, const char* tempdir)
 209 {
 210     int i;
 211     int name_buffer_used = 0;
 212     DIRCACHED *dir;
 213
 214     if (tempdir)
 215         dir = opendir_cached(tempdir);
 216     else
 217         dir = opendir_cached(c->currdir);
 218     if(!dir)
 219         return -1; /* not a directory */
 220
 221     c->dirsindir = 0;
 222     c->dirfull = false;
 223
 224     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 225         int len;
 226         struct dircache_entry *entry = readdir_cached(dir);
 227         struct entry* dptr =
 228             (struct entry*)(c->dircache + i * sizeof(struct entry));
 229         if (!entry)
 230             break;
 231
 232         len = strlen((char *)entry->d_name);
 233
 234         /* skip directories . and .. */
 235         if ((entry->attribute & ATTR_DIRECTORY) &&
 236             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 237              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 238             i--;
 239             continue;
 240         }
 241
 242         /* Skip FAT volume ID */
 243         if (entry->attribute & ATTR_VOLUME_ID) {
 244             i--;
 245             continue;
 246         }
 247
 248         /* filter out dotfiles and hidden files */
 249         if (*c->dirfilter != SHOW_ALL &&
 250             ((entry->d_name[0]=='.') ||
 251             (entry->attribute & ATTR_HIDDEN))) {
 252             i--;
 253             continue;
 254         }
 255
 256         dptr->attr = entry->attribute;
 257
 258         /* check for known file types */
 259         if ( !(dptr->attr & ATTR_DIRECTORY) )
 260             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 261
 262         /* filter out non-visible files */
 263         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 264             (*c->dirfilter == SHOW_PLAYLIST &&
 265              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 266             ((*c->dirfilter == SHOW_MUSIC &&
 267              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 268              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 269             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 270             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 271 #ifdef HAVE_REMOTE_LCD
 272             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 273 #endif
 274 #if CONFIG_TUNER
 275             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 276 #endif
 277             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 278             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 279             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 280             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 281             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 282         {
 283             i--;
 284             continue;
 285         }
 286
 287         if (len > c->name_buffer_size - name_buffer_used - 1) {
 288             /* Tell the world that we ran out of buffer space */
 289             c->dirfull = true;
 290             break;
 291         }
 292         dptr->name = &c->name_buffer[name_buffer_used];
 293         dptr->time_write =
 294             (long)entry->wrtdate<<16 |
 295             (long)entry->wrttime; /* in one # */
 296         strcpy(dptr->name, (char *)entry->d_name);
 297         name_buffer_used += len + 1;
 298
 299         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 300             c->dirsindir++;
 301     }
 302     c->filesindir = i;
 303     c->dirlength = i;
 304     closedir_cached(dir);
 305
 306     qsort(c->dircache,i,sizeof(struct entry),compare);
 307
 308     /* If thumbnail talking is enabled, make an extra run to mark files with
 309        associated thumbnails, so we don't do unsuccessful spinups later. */
 310     if (global_settings.talk_file == 3)
 311         check_file_thumbnails(c); /* map .talk to ours */
 312
 313     return 0;
 314 }
 315
 316 int ft_enter(struct tree_context* c)
 317 {
 318     int rc = 0;
 319     char buf[MAX_PATH];
 320     struct entry *dircache = c->dircache;
 321     struct entry* file = &dircache[c->selected_item];
 322     bool reload_dir = false;
 323     bool start_wps = false;
 324     bool exit_func = false;
 325
 326     if (c->currdir[1])
 327         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 328     else
 329         snprintf(buf,sizeof(buf),"/%s",file->name);
 330
 331     if (file->attr & ATTR_DIRECTORY) {
 332         memcpy(c->currdir, buf, sizeof(c->currdir));
 333         if ( c->dirlevel < MAX_DIR_LEVELS )
 334             c->selected_item_history[c->dirlevel] = c->selected_item;
 335         c->dirlevel++;
 336         c->selected_item=0;
 337     }
 338     else {
 339         int seed = current_tick;
 340         bool play = false;
 341         int start_index=0;
 342
 343         switch ( file->attr & FILE_ATTR_MASK ) {
 344             case FILE_ATTR_M3U:
 345                 if (global_settings.party_mode) {
 346                     gui_syncsplash(HZ, str(LANG_PARTY_MODE));
 347                     break;
 348                 }
 349
 350                 if (bookmark_autoload(buf))
 351                     break;
 352
 353                 gui_syncsplash(0, str(LANG_WAIT));
 354
 355                 /* about to create a new current playlist...
 356                    allow user to cancel the operation */
 357                 if (global_settings.warnon_erase_dynplaylist &&
 358                     playlist_modified(NULL))
 359                 {
 360                     char *lines[]={str(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 361                     struct text_message message={lines, 1};
 362
 363                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 364                         break;
 365                 }
 366
 367                 if (playlist_create(c->currdir, file->name) != -1)
 368                 {
 369                     if (global_settings.playlist_shuffle)
 370                         playlist_shuffle(seed, -1);
 371                     start_index = 0;
 372                     playlist_start(start_index,0);
 373                     play = true;
 374                 }
 375                 break;
 376
 377             case FILE_ATTR_AUDIO:
 378                 if (bookmark_autoload(c->currdir))
 379                     break;
 380
 381                 gui_syncsplash(0, str(LANG_WAIT));
 382
 383                 /* about to create a new current playlist...
 384                    allow user to cancel the operation */
 385                 if (global_settings.warnon_erase_dynplaylist &&
 386                     !global_settings.party_mode &&
 387                     playlist_modified(NULL))
 388                 {
 389                     char *lines[]={str(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 390                     struct text_message message={lines, 1};
 391
 392                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 393                         break;
 394                 }
 395
 396                 if (global_settings.party_mode)
 397                 {
 398                     playlist_insert_track(NULL, buf,
 399                                           PLAYLIST_INSERT_LAST, true, true);
 400                     gui_syncsplash(HZ, str(LANG_QUEUE_LAST));
 401                 }
 402                 else if (playlist_create(c->currdir, NULL) != -1)
 403                 {
 404                     start_index = ft_build_playlist(c, c->selected_item);
 405                     if (global_settings.playlist_shuffle)
 406                     {
 407                         start_index = playlist_shuffle(seed, start_index);
 408
 409                         /* when shuffling dir.: play all files
 410                            even if the file selected by user is
 411                            not the first one */
 412                         if (!global_settings.play_selected)
 413                             start_index = 0;
 414                     }
 415
 416                     playlist_start(start_index, 0);
 417                     play = true;
 418                 }
 419                 break;
 420
 421 #if CONFIG_TUNER
 422                 /* fmr preset file */
 423             case FILE_ATTR_FMR:
 424
 425                 gui_syncsplash(0, str(LANG_WAIT));
 426
 427                 /* Preset inside the default folder. */
 428                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 429                 {
 430                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 431                     radio_load_presets(global_settings.fmr_file);
 432                     if(!in_radio_screen())
 433                         radio_screen();
 434                 }
 435                 /*
 436                  * Preset outside default folder, we can choose such only
 437                  * if we are out of the radio screen, so the check for the
 438                  * radio status isn't neccessary
 439                  */
 440                 else
 441                 {
 442                     radio_load_presets(buf);
 443                     radio_screen();
 444                 }
 445
 446                 break;
 447 #endif
 448
 449
 450                 /* wps config file */
 451             case FILE_ATTR_WPS:
 452                 gui_syncsplash(0, str(LANG_WAIT));
 453 #if LCD_DEPTH > 1
 454                 unload_wps_backdrop();
 455 #endif
 456                 wps_data_load(gui_wps[0].data, buf, true);
 457                 set_file(buf, (char *)global_settings.wps_file,
 458                          MAX_FILENAME);
 459                 break;
 460
 461 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 462                 /* remote-wps config file */
 463             case FILE_ATTR_RWPS:
 464                 gui_syncsplash(0, str(LANG_WAIT));
 465 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 466                 unload_remote_wps_backdrop();
 467 #endif
 468                 wps_data_load(gui_wps[1].data, buf, true);
 469                 set_file(buf, (char *)global_settings.rwps_file,
 470                          MAX_FILENAME);
 471                 break;
 472 #endif
 473
 474             case FILE_ATTR_CFG:
 475                 gui_syncsplash(0, str(LANG_WAIT));
 476                 if (!settings_load_config(buf,true))
 477                     break;
 478                 gui_syncsplash(HZ, str(LANG_SETTINGS_LOADED));
 479                 break;
 480
 481             case FILE_ATTR_BMARK:
 482                 gui_syncsplash(0, str(LANG_WAIT));
 483                 bookmark_load(buf, false);
 484                 reload_dir = true;
 485                 break;
 486
 487             case FILE_ATTR_LNG:
 488                 gui_syncsplash(0, str(LANG_WAIT));
 489                 if(!lang_load(buf)) {
 490                     set_file(buf, (char *)global_settings.lang_file,
 491                              MAX_FILENAME);
 492                     talk_init(); /* use voice of same language */
 493                     gui_syncsplash(HZ, str(LANG_LANGUAGE_LOADED));
 494                 }
 495                 break;
 496
 497 #ifdef HAVE_LCD_BITMAP
 498             case FILE_ATTR_FONT:
 499                 gui_syncsplash(0, str(LANG_WAIT));
 500                 font_load(buf);
 501                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 502                 break;
 503
 504             case FILE_ATTR_KBD:
 505                 gui_syncsplash(0, str(LANG_WAIT));
 506                 if (!load_kbd(buf))
 507                     gui_syncsplash(HZ, str(LANG_KEYBOARD_LOADED));
 508                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 509                 break;
 510 #endif
 511
 512 #ifndef SIMULATOR
 513                 /* firmware file */
 514             case FILE_ATTR_MOD:
 515                 gui_syncsplash(0, str(LANG_WAIT));
 516                 rolo_load(buf);
 517                 break;
 518 #endif
 519
 520                 /* plugin file */
 521             case FILE_ATTR_ROCK:
 522                 if (global_settings.party_mode) {
 523                     gui_syncsplash(HZ, str(LANG_PARTY_MODE));
 524                     break;
 525                 }
 526
 527                 gui_syncsplash(0, str(LANG_WAIT));
 528
 529                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 530                 {
 531                     if(*c->dirfilter > NUM_FILTER_MODES)
 532                         /* leave sub-browsers after usb, doing
 533                            otherwise might be confusing to the user */
 534                         exit_func = true;
 535                     else
 536                         reload_dir = true;
 537                 }
 538                 break;
 539
 540             case FILE_ATTR_CUE:
 541                 display_cuesheet_content(buf);
 542                 break;
 543
 544             default:
 545             {
 546                 char* plugin;
 547
 548                 if (global_settings.party_mode) {
 549                     gui_syncsplash(HZ, str(LANG_PARTY_MODE));
 550                     break;
 551                 }
 552
 553                 plugin = filetype_get_plugin(file);
 554                 if (plugin)
 555                 {
 556                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 557                         reload_dir = true;
 558                 }
 559                 break;
 560             }
 561         }
 562
 563         if ( play ) {
 564             /* the resume_index must always be the index in the
 565                shuffled list in case shuffle is enabled */
 566             global_status.resume_index = start_index;
 567             global_status.resume_offset = 0;
 568             status_save();
 569
 570             start_wps = true;
 571         }
 572         else {
 573             if (*c->dirfilter > NUM_FILTER_MODES &&
 574                 *c->dirfilter != SHOW_FONT &&
 575                 *c->dirfilter != SHOW_PLUGINS)
 576             {
 577                 exit_func = true;
 578             }
 579         }
 580     }
 581
 582     if (reload_dir)
 583         rc = 1;
 584     if (start_wps)
 585         rc = 2;
 586     if (exit_func)
 587         rc = 3;
 588
 589     return rc;
 590 }
 591
 592 int ft_exit(struct tree_context* c)
 593 {
 594     extern char lastfile[]; /* from tree.c */
 595     char buf[MAX_PATH];
 596     int rc = 0;
 597     bool exit_func = false;
 598
 599     int i = strlen(c->currdir);
 600     if (i>1) {
 601         while (c->currdir[i-1]!='/')
 602             i--;
 603         strcpy(buf,&c->currdir[i]);
 604         if (i==1)
 605             c->currdir[i]=0;
 606         else
 607             c->currdir[i-1]=0;
 608
 609         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 610             exit_func = true;
 611
 612         c->dirlevel--;
 613         if ( c->dirlevel < MAX_DIR_LEVELS )
 614             c->selected_item=c->selected_item_history[c->dirlevel];
 615         else
 616             c->selected_item=0;
 617
 618         /* if undefined position */
 619         if (c->selected_item == -1)
 620             strcpy(lastfile, buf);
 621     }
 622     else
 623     {
 624         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 625             exit_func = true;
 626     }
 627
 628     if (exit_func)
 629         rc = 3;
 630
 631     return rc;
 632 }