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 #include "backdrop.h"
  53
  54 int ft_build_playlist(struct tree_context* c, int start_index)
  55 {
  56     int i;
  57     int start=start_index;
  58
  59     struct entry *dircache = c->dircache;
  60
  61     for(i = 0;i < c->filesindir;i++)
  62     {
  63         if((dircache[i].attr & FILE_ATTR_MASK) == FILE_ATTR_AUDIO)
  64         {
  65             DEBUGF("Adding %s\n", dircache[i].name);
  66             if (playlist_add(dircache[i].name) < 0)
  67                 break;
  68         }
  69         else
  70         {
  71             /* Adjust the start index when se skip non-MP3 entries */
  72             if(i < start)
  73                 start_index--;
  74         }
  75     }
  76
  77     return start_index;
  78 }
  79
  80 /* Start playback of a playlist, checking for bookmark autoload, modified
  81  * playlists, etc., as required. Returns false if playback wasn't started,
  82  * or started via bookmark autoload, true otherwise.
  83  *
  84  * Pointers to both the full pathname and the separated parts needed to
  85  * avoid allocating yet another path buffer on the stack (and save some
  86  * code; the caller typically needs to create the full pathname anyway)...
  87  */
  88 bool ft_play_playlist(char* pathname, char* dirname, char* filename)
  89 {
  90     if (global_settings.party_mode)
  91     {
  92         gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
  93         return false;
  94     }
  95
  96     if (bookmark_autoload(pathname))
  97     {
  98         return false;
  99     }
 100
 101     gui_syncsplash(0, ID2P(LANG_WAIT));
 102
 103     /* about to create a new current playlist...
 104        allow user to cancel the operation */
 105     if (global_settings.warnon_erase_dynplaylist &&
 106         playlist_modified(NULL))
 107     {
 108         char *lines[] = {ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 109         struct text_message message = {lines, 1};
 110
 111         if (gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 112             return false;
 113     }
 114
 115     if (playlist_create(dirname, filename) != -1)
 116     {
 117         if (global_settings.playlist_shuffle)
 118         {
 119             playlist_shuffle(current_tick, -1);
 120         }
 121
 122         playlist_start(0, 0);
 123         return true;
 124     }
 125
 126     return false;
 127 }
 128
 129 /* walk a directory and check all dircache entries if a .talk file exists */
 130 static void check_file_thumbnails(struct tree_context* c)
 131 {
 132     int i;
 133     struct dirent *entry;
 134     struct entry* dircache = c->dircache;
 135     DIR *dir;
 136
 137     dir = opendir(c->currdir);
 138     if(!dir)
 139         return;
 140     /* mark all files as non talking, except the .talk ones */
 141     for (i=0; i < c->filesindir; i++)
 142     {
 143         if (dircache[i].attr & ATTR_DIRECTORY)
 144             continue; /* we're not touching directories */
 145
 146         if (strcasecmp(file_thumbnail_ext,
 147             &dircache[i].name[strlen(dircache[i].name)
 148                               - strlen(file_thumbnail_ext)]))
 149         {   /* no .talk file */
 150             dircache[i].attr &= ~FILE_ATTR_THUMBNAIL; /* clear */
 151         }
 152         else
 153         {   /* .talk file, we later let them speak themselves */
 154             dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set */
 155         }
 156     }
 157
 158     while((entry = readdir(dir)) != 0) /* walk directory */
 159     {
 160         int ext_pos;
 161
 162         ext_pos = strlen((char *)entry->d_name) - strlen(file_thumbnail_ext);
 163         if (ext_pos <= 0 /* too short to carry ".talk" */
 164             || (entry->attribute & ATTR_DIRECTORY) /* no file */
 165             || strcasecmp((char *)&entry->d_name[ext_pos], file_thumbnail_ext))
 166         {   /* or doesn't end with ".talk", no candidate */
 167             continue;
 168         }
 169
 170         /* terminate the (disposable) name in dir buffer,
 171            this truncates off the ".talk" without needing an extra buffer */
 172         entry->d_name[ext_pos] = '\0';
 173
 174         /* search corresponding file in dir cache */
 175         for (i=0; i < c->filesindir; i++)
 176         {
 177             if (!strcasecmp(dircache[i].name, (char *)entry->d_name))
 178             {   /* match */
 179                 dircache[i].attr |= FILE_ATTR_THUMBNAIL; /* set the flag */
 180                 break; /* exit search loop, because we found it */
 181             }
 182         }
 183     }
 184     closedir(dir);
 185 }
 186
 187 /* support function for qsort() */
 188 static int compare(const void* p1, const void* p2)
 189 {
 190     struct entry* e1 = (struct entry*)p1;
 191     struct entry* e2 = (struct entry*)p2;
 192     int criteria;
 193
 194     if (e1->attr & ATTR_DIRECTORY && e2->attr & ATTR_DIRECTORY)
 195     {   /* two directories */
 196         criteria = global_settings.sort_dir;
 197
 198 #ifdef HAVE_MULTIVOLUME
 199         if (e1->attr & ATTR_VOLUME || e2->attr & ATTR_VOLUME)
 200         {   /* a volume identifier is involved */
 201             if (e1->attr & ATTR_VOLUME && e2->attr & ATTR_VOLUME)
 202                 criteria = 0; /* two volumes: sort alphabetically */
 203             else /* only one is a volume: volume first */
 204                 return (e2->attr & ATTR_VOLUME) - (e1->attr & ATTR_VOLUME);
 205         }
 206 #endif
 207
 208     }
 209     else if (!(e1->attr & ATTR_DIRECTORY) && !(e2->attr & ATTR_DIRECTORY))
 210     {   /* two files */
 211         criteria = global_settings.sort_file;
 212     }
 213     else /* dir and file, dir goes first */
 214         return ( e2->attr & ATTR_DIRECTORY ) - ( e1->attr & ATTR_DIRECTORY );
 215
 216     switch(criteria)
 217     {
 218         case 3: /* sort type */
 219         {
 220             int t1 = e1->attr & FILE_ATTR_MASK;
 221             int t2 = e2->attr & FILE_ATTR_MASK;
 222
 223             if (!t1) /* unknown type */
 224                 t1 = INT_MAX; /* gets a high number, to sort after known */
 225             if (!t2) /* unknown type */
 226                 t2 = INT_MAX; /* gets a high number, to sort after known */
 227
 228             if (t1 - t2) /* if different */
 229                 return t1 - t2;
 230             /* else fall through to alphabetical sorting */
 231         }
 232         case 0: /* sort alphabetically asc */
 233             if (global_settings.sort_case)
 234                 return strncmp(e1->name, e2->name, MAX_PATH);
 235             else
 236                 return strncasecmp(e1->name, e2->name, MAX_PATH);
 237
 238         case 4: /* sort alphabetically desc */
 239             if (global_settings.sort_case)
 240                 return strncmp(e2->name, e1->name, MAX_PATH);
 241             else
 242                 return strncasecmp(e2->name, e1->name, MAX_PATH);
 243
 244         case 1: /* sort date */
 245             return e1->time_write - e2->time_write;
 246
 247         case 2: /* sort date, newest first */
 248             return e2->time_write - e1->time_write;
 249     }
 250     return 0; /* never reached */
 251 }
 252
 253 /* load and sort directory into dircache. returns NULL on failure. */
 254 int ft_load(struct tree_context* c, const char* tempdir)
 255 {
 256     int i;
 257     int name_buffer_used = 0;
 258     DIR *dir;
 259
 260     if (tempdir)
 261         dir = opendir(tempdir);
 262     else
 263         dir = opendir(c->currdir);
 264     if(!dir)
 265         return -1; /* not a directory */
 266
 267     c->dirsindir = 0;
 268     c->dirfull = false;
 269
 270     for ( i=0; i < global_settings.max_files_in_dir; i++ ) {
 271         int len;
 272         struct dirent *entry = readdir(dir);
 273         struct entry* dptr =
 274             (struct entry*)(c->dircache + i * sizeof(struct entry));
 275         if (!entry)
 276             break;
 277
 278         len = strlen((char *)entry->d_name);
 279
 280         /* skip directories . and .. */
 281         if ((entry->attribute & ATTR_DIRECTORY) &&
 282             (((len == 1) && (!strncmp((char *)entry->d_name, ".", 1))) ||
 283              ((len == 2) && (!strncmp((char *)entry->d_name, "..", 2))))) {
 284             i--;
 285             continue;
 286         }
 287
 288         /* Skip FAT volume ID */
 289         if (entry->attribute & ATTR_VOLUME_ID) {
 290             i--;
 291             continue;
 292         }
 293
 294         /* filter out dotfiles and hidden files */
 295         if (*c->dirfilter != SHOW_ALL &&
 296             ((entry->d_name[0]=='.') ||
 297             (entry->attribute & ATTR_HIDDEN))) {
 298             i--;
 299             continue;
 300         }
 301
 302         dptr->attr = entry->attribute;
 303
 304         /* check for known file types */
 305         if ( !(dptr->attr & ATTR_DIRECTORY) )
 306             dptr->attr |= filetype_get_attr((char *)entry->d_name);
 307
 308         /* filter out non-visible files */
 309         if ((!(dptr->attr & ATTR_DIRECTORY) && (
 310             (*c->dirfilter == SHOW_PLAYLIST &&
 311              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 312             ((*c->dirfilter == SHOW_MUSIC &&
 313              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_AUDIO) &&
 314              (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_M3U) ||
 315             (*c->dirfilter == SHOW_SUPPORTED && !filetype_supported(dptr->attr)))) ||
 316             (*c->dirfilter == SHOW_WPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_WPS) ||
 317 #ifdef HAVE_REMOTE_LCD
 318             (*c->dirfilter == SHOW_RWPS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_RWPS) ||
 319 #endif
 320 #if CONFIG_TUNER
 321             (*c->dirfilter == SHOW_FMR && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FMR) ||
 322 #endif
 323             (*c->dirfilter == SHOW_CFG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_CFG) ||
 324             (*c->dirfilter == SHOW_LNG && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_LNG) ||
 325             (*c->dirfilter == SHOW_MOD && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_MOD) ||
 326             (*c->dirfilter == SHOW_FONT && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_FONT) ||
 327             (*c->dirfilter == SHOW_PLUGINS && (dptr->attr & FILE_ATTR_MASK) != FILE_ATTR_ROCK))
 328         {
 329             i--;
 330             continue;
 331         }
 332
 333         if (len > c->name_buffer_size - name_buffer_used - 1) {
 334             /* Tell the world that we ran out of buffer space */
 335             c->dirfull = true;
 336             break;
 337         }
 338         dptr->name = &c->name_buffer[name_buffer_used];
 339         dptr->time_write =
 340             (long)entry->wrtdate<<16 |
 341             (long)entry->wrttime; /* in one # */
 342         strcpy(dptr->name, (char *)entry->d_name);
 343         name_buffer_used += len + 1;
 344
 345         if (dptr->attr & ATTR_DIRECTORY) /* count the remaining dirs */
 346             c->dirsindir++;
 347     }
 348     c->filesindir = i;
 349     c->dirlength = i;
 350     closedir(dir);
 351
 352     qsort(c->dircache,i,sizeof(struct entry),compare);
 353
 354     /* If thumbnail talking is enabled, make an extra run to mark files with
 355        associated thumbnails, so we don't do unsuccessful spinups later. */
 356     if (global_settings.talk_file_clip)
 357         check_file_thumbnails(c); /* map .talk to ours */
 358
 359     return 0;
 360 }
 361
 362 int ft_enter(struct tree_context* c)
 363 {
 364     int rc = 0;
 365     char buf[MAX_PATH];
 366     struct entry *dircache = c->dircache;
 367     struct entry* file = &dircache[c->selected_item];
 368     bool reload_dir = false;
 369     bool start_wps = false;
 370     bool exit_func = false;
 371
 372     if (c->currdir[1])
 373         snprintf(buf,sizeof(buf),"%s/%s",c->currdir, file->name);
 374     else
 375         snprintf(buf,sizeof(buf),"/%s",file->name);
 376
 377     if (file->attr & ATTR_DIRECTORY) {
 378         memcpy(c->currdir, buf, sizeof(c->currdir));
 379         if ( c->dirlevel < MAX_DIR_LEVELS )
 380             c->selected_item_history[c->dirlevel] = c->selected_item;
 381         c->dirlevel++;
 382         c->selected_item=0;
 383     }
 384     else {
 385         int seed = current_tick;
 386         bool play = false;
 387         int start_index=0;
 388
 389         switch ( file->attr & FILE_ATTR_MASK ) {
 390             case FILE_ATTR_M3U:
 391                 play = ft_play_playlist(buf, c->currdir, file->name);
 392
 393                 if (play)
 394                 {
 395                     start_index = 0;
 396                 }
 397
 398                 break;
 399
 400             case FILE_ATTR_AUDIO:
 401                 if (bookmark_autoload(c->currdir))
 402                     break;
 403
 404                 gui_syncsplash(0, ID2P(LANG_WAIT));
 405
 406                 /* about to create a new current playlist...
 407                    allow user to cancel the operation */
 408                 if (global_settings.warnon_erase_dynplaylist &&
 409                     !global_settings.party_mode &&
 410                     playlist_modified(NULL))
 411                 {
 412                     char *lines[]={ID2P(LANG_WARN_ERASEDYNPLAYLIST_PROMPT)};
 413                     struct text_message message={lines, 1};
 414
 415                     if(gui_syncyesno_run(&message, NULL, NULL) != YESNO_YES)
 416                         break;
 417                 }
 418
 419                 if (global_settings.party_mode)
 420                 {
 421                     playlist_insert_track(NULL, buf,
 422                                           PLAYLIST_INSERT_LAST, true, true);
 423                     gui_syncsplash(HZ, ID2P(LANG_QUEUE_LAST));
 424                 }
 425                 else if (playlist_create(c->currdir, NULL) != -1)
 426                 {
 427                     start_index = ft_build_playlist(c, c->selected_item);
 428                     if (global_settings.playlist_shuffle)
 429                     {
 430                         start_index = playlist_shuffle(seed, start_index);
 431
 432                         /* when shuffling dir.: play all files
 433                            even if the file selected by user is
 434                            not the first one */
 435                         if (!global_settings.play_selected)
 436                             start_index = 0;
 437                     }
 438
 439                     playlist_start(start_index, 0);
 440                     play = true;
 441                 }
 442                 break;
 443
 444 #if CONFIG_TUNER
 445                 /* fmr preset file */
 446             case FILE_ATTR_FMR:
 447
 448                 gui_syncsplash(0, ID2P(LANG_WAIT));
 449
 450                 /* Preset inside the default folder. */
 451                 if(!strncasecmp(FMPRESET_PATH, buf, strlen(FMPRESET_PATH)))
 452                 {
 453                     set_file(buf, global_settings.fmr_file, MAX_FILENAME);
 454                     radio_load_presets(global_settings.fmr_file);
 455                     if(!in_radio_screen())
 456                         radio_screen();
 457                 }
 458                 /*
 459                  * Preset outside default folder, we can choose such only
 460                  * if we are out of the radio screen, so the check for the
 461                  * radio status isn't neccessary
 462                  */
 463                 else
 464                 {
 465                     radio_load_presets(buf);
 466                     radio_screen();
 467                 }
 468
 469                 break;
 470 #endif
 471
 472
 473                 /* wps config file */
 474             case FILE_ATTR_WPS:
 475                 gui_syncsplash(0, ID2P(LANG_WAIT));
 476 #if LCD_DEPTH > 1
 477                 unload_wps_backdrop();
 478 #endif
 479                 wps_data_load(gui_wps[0].data, &screens[0], buf, true);
 480                 set_file(buf, (char *)global_settings.wps_file,
 481                          MAX_FILENAME);
 482                 break;
 483
 484 #if defined(HAVE_REMOTE_LCD) && (NB_SCREENS > 1)
 485                 /* remote-wps config file */
 486             case FILE_ATTR_RWPS:
 487                 gui_syncsplash(0, ID2P(LANG_WAIT));
 488 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
 489                 unload_remote_wps_backdrop();
 490 #endif
 491                 wps_data_load(gui_wps[1].data, &screens[1], buf, true);
 492                 set_file(buf, (char *)global_settings.rwps_file,
 493                          MAX_FILENAME);
 494                 break;
 495 #endif
 496
 497             case FILE_ATTR_CFG:
 498                 gui_syncsplash(0, ID2P(LANG_WAIT));
 499                 if (!settings_load_config(buf,true))
 500                     break;
 501                 gui_syncsplash(HZ, ID2P(LANG_SETTINGS_LOADED));
 502                 break;
 503
 504             case FILE_ATTR_BMARK:
 505                 gui_syncsplash(0, ID2P(LANG_WAIT));
 506                 bookmark_load(buf, false);
 507                 reload_dir = true;
 508                 break;
 509
 510             case FILE_ATTR_LNG:
 511                 gui_syncsplash(0, ID2P(LANG_WAIT));
 512                 if(!lang_load(buf)) {
 513                     set_file(buf, (char *)global_settings.lang_file,
 514                              MAX_FILENAME);
 515                     talk_init(); /* use voice of same language */
 516                     gui_syncsplash(HZ, ID2P(LANG_LANGUAGE_LOADED));
 517                 }
 518                 break;
 519
 520 #ifdef HAVE_LCD_BITMAP
 521             case FILE_ATTR_FONT:
 522                 gui_syncsplash(0, ID2P(LANG_WAIT));
 523                 font_load(buf);
 524                 set_file(buf, (char *)global_settings.font_file, MAX_FILENAME);
 525                 break;
 526
 527             case FILE_ATTR_KBD:
 528                 gui_syncsplash(0, ID2P(LANG_WAIT));
 529                 if (!load_kbd(buf))
 530                     gui_syncsplash(HZ, ID2P(LANG_KEYBOARD_LOADED));
 531                 set_file(buf, (char *)global_settings.kbd_file, MAX_FILENAME);
 532                 break;
 533 #endif
 534
 535 #ifndef SIMULATOR
 536                 /* firmware file */
 537             case FILE_ATTR_MOD:
 538                 gui_syncsplash(0, ID2P(LANG_WAIT));
 539                 rolo_load(buf);
 540                 break;
 541 #endif
 542
 543                 /* plugin file */
 544             case FILE_ATTR_ROCK:
 545                 if (global_settings.party_mode) {
 546                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 547                     break;
 548                 }
 549
 550                 gui_syncsplash(0, ID2P(LANG_WAIT));
 551
 552                 if (plugin_load(buf,NULL) == PLUGIN_USB_CONNECTED)
 553                 {
 554                     if(*c->dirfilter > NUM_FILTER_MODES)
 555                         /* leave sub-browsers after usb, doing
 556                            otherwise might be confusing to the user */
 557                         exit_func = true;
 558                     else
 559                         reload_dir = true;
 560                 }
 561                 break;
 562
 563             case FILE_ATTR_CUE:
 564                 display_cuesheet_content(buf);
 565                 break;
 566
 567             default:
 568             {
 569                 char* plugin;
 570
 571                 if (global_settings.party_mode) {
 572                     gui_syncsplash(HZ, ID2P(LANG_PARTY_MODE));
 573                     break;
 574                 }
 575
 576                 plugin = filetype_get_plugin(file);
 577                 if (plugin)
 578                 {
 579                     if (plugin_load(plugin,buf) == PLUGIN_USB_CONNECTED)
 580                         reload_dir = true;
 581                 }
 582                 break;
 583             }
 584         }
 585
 586         if ( play ) {
 587             /* the resume_index must always be the index in the
 588                shuffled list in case shuffle is enabled */
 589             global_status.resume_index = start_index;
 590             global_status.resume_offset = 0;
 591             status_save();
 592
 593             start_wps = true;
 594         }
 595         else {
 596             if (*c->dirfilter > NUM_FILTER_MODES &&
 597                 *c->dirfilter != SHOW_FONT &&
 598                 *c->dirfilter != SHOW_PLUGINS)
 599             {
 600                 exit_func = true;
 601             }
 602         }
 603     }
 604
 605     if (reload_dir)
 606         rc = 1;
 607     if (start_wps)
 608         rc = 2;
 609     if (exit_func)
 610         rc = 3;
 611
 612     return rc;
 613 }
 614
 615 int ft_exit(struct tree_context* c)
 616 {
 617     extern char lastfile[]; /* from tree.c */
 618     char buf[MAX_PATH];
 619     int rc = 0;
 620     bool exit_func = false;
 621
 622     int i = strlen(c->currdir);
 623     if (i>1) {
 624         while (c->currdir[i-1]!='/')
 625             i--;
 626         strcpy(buf,&c->currdir[i]);
 627         if (i==1)
 628             c->currdir[i]=0;
 629         else
 630             c->currdir[i-1]=0;
 631
 632         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 633             exit_func = true;
 634
 635         c->dirlevel--;
 636         if ( c->dirlevel < MAX_DIR_LEVELS )
 637             c->selected_item=c->selected_item_history[c->dirlevel];
 638         else
 639             c->selected_item=0;
 640
 641         /* if undefined position */
 642         if (c->selected_item == -1)
 643             strcpy(lastfile, buf);
 644     }
 645     else
 646     {
 647         if (*c->dirfilter > NUM_FILTER_MODES && c->dirlevel < 1)
 648             exit_func = true;
 649     }
 650
 651     if (exit_func)
 652         rc = 3;
 653
 654     return rc;
 655 }